Chess Room Newsletter #878

Newsletter #878

July 19, 2019

By Abel Talamantez

Table of Content

• Round 8 of TNM 
• New Mechanics’ Institute Executive Director Kimberly Scrafano Visits the TNM!
• Tournament Director's Corner
• Remembering Earl Pruner
• A Step Ahead Bahamas Visits MI Chess Club
• Visitors from England!
• Bagby Memorial is on July 27 - LAST CALL!
• Tony's Teasers
• Scholastic Corner
• Camp registrations - not just for kids 
• News on the Wednesday Blitz
• Nick de Firmian's Column: Learn from the World Champions
• 2019 Summer TNM Games Round 8

FM Kyron Griffith closed the show in the final round of the Summer Tuesday Night Marathon, coming back from the edge of defeat to pull off the victory over FM Andy Lee to capture TNM championship. 

Summer TNM Champ FM Kyron Griffith

FM Kyron Griffith was the last man standing in the stacked Summer Tuesday Night Marathon, capturing clear first place after defeating FM Andy Lee. The game was sharp and exciting, with Lee seeming to have a solid edge after some fearless play. However, Griffith defended well, and was able to claw back to gain and edge he was able to later convert. With 6.5/8, he captured his first TNM title. 

Griffith and Lee go over their game late into the night

The battle on board 2 was also intense, as IM Elliott Winslow and FM Ezra Chambers were battling for a possible share of first but certainly for position in the money. 
Chambers came out on top, besting Winslow and taking clear 2nd with 6/8. There was a 3-way tie for 3rd between Elliott Winslow, Aleksandr Ivanov, and Kevin Kuczek at 5.5/8. 

In the under 2000 section, Mansoor Mohammed drew his final round game to secure clear first with a score of 6.5/8. This was a very solid showing for him, with his 6th round victory over Ella Papanek being the game that propelled him to the top. In clear 2nd place was Lex Huberts, who rebounded from a round 2 loss to go on a tear and finish in the money. Tied for 3rd were Ella Papanek, Gaziz Makhanov, Rafik Robeal, and Alexander Perlov with 5.5/8. Congrats also to Ella Papanek, who won the Robert Hess Women’s Prize for best female overall score. 

In the under 1600 section, Romeo Barreyro was the dominant player, taking clear first with 7/8. 

In clear 2nd was TNM veteran John Chan with 6.5, and there was a 3-way tie for 3rd between Albert Starr, Gregory Rousso, and Michael Fernicola at 6/8. 

Congratulations to all the winners and participants in this 141 player TNM. For a complete list of results, please follow this link: https://www.milibrary.org/tuesday-night-marathon

The Steve Brandwein Tuesday Night Marathon begins on August 6th. To register, please follow this link: https://www.milibrary.org/chess-tournaments/steve-brandwein-memorial-tnm

New Mechanics’ Institute Executive Director Kimberly Scrafano Visits the TNM!

The Mechanics’ Institute recently hired a new Executive Director, and she stopped by on Tuesday to check out the TNM and our live broadcast!

Kimberly Scrafano comes from Goodwill Oakland and has several years of non-profit leadership experience, including work on the 9th U.S. Circuit Court of Appeals. 
She expressed her strong support of our programs, events and initiatives, especially our development of chess in schools. We welcome her to the Mechanics’ Institute! 

Tournament Director's Corner
Prize Fund calculations

Many players are often wondering how the prize fund is allocated between the players. Myths exist that it may be TD's discretion or that there are multiple ways to determine who's getting how much. In fact, it is a process that's described and guided by USCF rules that are very clear and strict.  

32B1. One cash prize per player. No winner shall receive more than one cash award. The award may be one full cash prize if a clear winner, or parts of two or more cash prizes if tied with others. Prizes such as biggest upset, best game, or brilliancy are standard exceptions from this rule. Any other special prizes should be announced and designated as such. A clear winner of more than one cash prize must be awarded the most valuable prize. 

What does this mean? that one player can't get 1st place and top under place at the same time. Moreover, if a player is eligible for both, then they get the higher amount.

Let's take three examples from the most recent TNM: https://www.milibrary.org/chess-tournaments/summer-2019-tuesday-night-marathon

Example 1: In the Championship section, the third place was shared between three players, one of them being an under2000 player. Here we have to examine: when would the under2000 player be better off: pooling the class prize into the third place section prize, and split three way, or keep the under2000 to himself, but then he is not eligible for part of the third place section prize?

3rd place: $307 and top u2000: $168 --> Total of $475 split in three: $153.5 each. $153.5 is less than $168, so therefore the answer is the Under2000 player keeps the class prize to himself, and the other two shared third place players are getting the half of the 3rd place section prize.

Example 2: the first place winner in the AB section was also an under1800 player, makes him eligible for both prizes. He is getting the higher amount, which is the 1st place section. The top under1800 prize goes to the next under1800 player.

Example 3: Also in the AB section, we had a 4-way tie for third place. Two of these players were also under1800 rated, making them qualified for the under1800 class prize. Will they pool it in with the third place and share it with the other two players or will just the two of them split the class prize? In this case, it's the first scenario: in case they only kept the class prize of $84, splitting in two would be $42. However, pooling it in with the third place prize of $140, and dividing it up to four: $224/4 = $56 each, which is clearly higher than $42.

Exception: as stated in the USCF rule, the only exception are the special prizes, which we do have: best female player, which we stated would be awarded for the female that scores the most points regardless of section. Ella Papanek won that award, but she also gets her share of third place. 

Should you have any questions regarding the prize fund calculations, please reach out to us. We love answering these types of questions because it means you are interested! 
 

Remembering Earl Pruner (1930-2019)
by John Donaldson

Earl Pruner, the first great Mechanics’ Institute Chess Club player to emerge after World War Two, died on May 9th, 2019, in Las Vegas, a few weeks short of his 89th birthday.
A San Francisco native, who graduated from Lincoln High School and UC Berkeley, Pruner earned national attention when he took fourth in the 1949 US Junior Open in Fort Worth behind Arthur Bisguier, James Cross and Larry Evans. Among his victims was Bisguier, who he defeated in a game that was widely published at the time and can be found in Mechanics’ Institute Chess Newsletter #361 – http://www.chessdryad.com/articles/mi/361.htm  with Pruner’s notes.
A stint in the US Army delayed Pruner’s development, but by the mid-1950s he was a solid 2300 player who won the 1955-56 Mechanics’ Centenary round robin with a 11 1/2 - 2 1/2 score, a point and half over the other top M.I. players of the day. Charles Bagby, William Addison and Henry Gross had 9 ½ while Vladimir Pafnutieff, Gil Ramirez and James Schmitt finished with nine points.

Here is a victory over a future International Master who would represent the United States in two Olympiads and an Interzonal.

Maroczy Bind B38
Earl Pruner – William Addison 
M.I. Centenary 1956 San Francisco

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 d6 7.Nc3 Nh6 8.f3 f5 9.Qd2 Nf7 10.Be2 0–0 11.exf5 gxf5 12.0–0 Nxd4 13.Bxd4 Bxd4+ 14.Qxd4 e5 15.Qd2 Be6 16.Rad1 Rc8 17.b3 a6 18.Nd5 Bxd5 19.Qxd5 Qe7 20.b4 Kh8 21.Bd3 f4 22.Rfe1 Rg8 23.Re2 Rc7 24.Bf5 Rg5 25.Be6 Nd8 26.Bh3 Nf7 27.a3 h5 28.Qe6 Kg7 29.Qxe7 Rxe7 30.Kf2 Kf6 31.g3 fxg3+ 32.hxg3 Rc7 33.Re4 Rg6 34.Bf1 Ke6 35.Be2 Ng5 36.Rh4 Rf7 37.Ke3 Rgf6 

38.f4! Nh7 39.fxe5 dxe5 40.Bxh5 Rg7 41.Bg4+ Kf7 42.Rd7+ Kg8 43.Rxg7+ Kxg7 44.Bf3 b6 45.Bd5 Rf1 46.Rg4+ Kf6 47.Rg8 Ra1 48.Rb8 Rxa3+ 49.Kf2 e4 50.Bxe4 Ng5 51.Rxb6+ Ke5 52.Bb7 Kd4 53.c5 Ra2+ 54.Ke1 a5 55.Rg6 Ra1+ 56.Ke2 Ra2+ 57.Ke1 Ra1+ 58.Kd2 Ra2+ 59.Kc1 Kc3 60.Kd1 Ra1+ 61.Ke2 Kxb4 62.Rxg5 Rc1 63.Bc8 a4 64.Be6 a3 65.Re5 a2 66.Bxa2 Rc2+ 67.Kf3 Rxa2 68.g4 Kb5 69.Kf4 Kc6 70.g5 Kd7 71.g6 Rf2+ 72.Kg5 Rg2+ 73.Kf6 Rf2+ 74.Rf5 Rg2 75.g7 1–0


Masters Royale: Vladimir Pafnutieff is deep in thought and Carroll Capps is getting ready to make a move, while Earl Pruner takes in the action at the Mechanics in the 1950s. (Photo: Mechanics’ Chess Club Archives)

Pruner was semi-retired for much of the first half of the 1960s, but played some of the best chess of his life the remainder of the decade winning the 1965, 1967 and 1969 Stamer Memorials and tying for second in 1966 with Anthony Saidy. Up until his move to Los Angeles around 1970, he was consistently rated in the top 50 players in the United States, peaking at 2323 in September 1969.
Here is another win against Addison who by this time had played in a number of U.S. Championships and made plus scores. Once again Pruner shows his skill in technical positions.
Queen’s Gambit D55
William Addison – Earl Pruner
Mechanics’ Institute - Blue Unicorn (team match) San Francisco 1967

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 0–0 6.Nf3 h6 7.Bxf6 Bxf6 8.Qd2 dxc4 9.Bxc4 Nd7 10.0–0 c5 11.Bb3 cxd4 12.exd4 Qa5 13.Rac1 Rd8 14.Rfd1 b6 15.Qf4 Bb7 16.Ne4 Bd5 17.Bxd5 Qxd5 18.Nc3 Qa5 19.h4 Qb4 20.Rc2 Rac8 21.g4 Nf8 22.g5 hxg5 23.hxg5 Ng6 24.Qg4 Be7 25.Nd5 Qd6 26.Rxc8 Rxc8 27.Ne3 Qf4! 

28.Qxf4 Nxf4 29.d5 Rd8 30.Ne5 Bxg5 31.Nc6 Rd6 32.Nxa7 exd5 33.Nb5 Rd8 34.Kf1 Bf6 35.b3 g6 36.a4 Kg7 37.Nc7 Rh8 38.Kg1 Ne2+ 39.Kg2 Nc3 40.Rd3 d4 41.Nc4 Bd8 42.Nb5 Nxb5 43.axb5 Rh4 44.Rd1 Bc7 45.Ra1 Rh2+ 46.Kf3 Rh3+ 47.Ke4 Rxb3 48.Ra7 Bh2 49.Nxb6 Rxb5 50.Nd5 Rb2 51.f3 Bg1 52.Nf4 d3 53.Ra1 Rb4+ 54.Kxd3 Rxf4 55.Rxg1 Rxf3+ 0–1

While living in the City of the Angeles Pruner hung out at MacArthur Park, which was a chess center at the time. The author of MacArthur Park Musings at the Bangor (Northern Chess Club) website remembers Earl giving sage advice:
I learned a lot in the park, and some of it was helpful to my game. Most of what I learned at the Park that made the biggest impression on my chess development wasn’t specific technical information, such as an opening trap. Rather, it was more general concepts, such as open files and pawn structures–and perhaps even more important, I learned of certain attitudes and character traits from the masters and experts. I learned not to become easily discouraged by one’s present position. I learned from my friend Earl Pruner what I now call Addison’s Axiom.
Earl was talking to me about the proper attitude to adopt when your position is winning, and mentioned an I.M. from San Francisco named William Addison. Addison didn’t worry much if he had a bad or lost position because he didn’t have much equity in the game to worry about it, so he would just do the best defensive job he could. The proper time to buckle down, Addison said, is when your position is very good (or even winning), because that is when you have the most to lose. Furthermore, it’s human nature to relax when your opponent has his or her back to the wall. Like a cornered animal, your opponent might concentrate and fight back with unexpected fury.
During the 1970s and 1980s Pruner played infrequently and his rating slipped below 2200 but he rebounded after retiring to Las Vegas and played 2300+ chess throughout much of his 60s achieving his peak USCF rating of 2337 at age 66. This offers a hint of what he might have achieved decades earlier if he had not concentrated on his work as an accountant. His last event was the 1998 US Masters in Hawaii where he retired from the tournament arena rated 2295.
The Mechanics’ Institute Chess Club elder statesmen Max Burkett, Gil Ramirez and Frank Thornally, plus long-time friend Ron Gross, all remember Earl Pruner as a friendly but quiet man who was good company. He was a true chess lover with a keen positional sense.
 

A Step Ahead Bahamas Visits MI Chess Club!

On Thursday July 18, Coach Sorsby and his chess team visited us from A Step Ahead, a non-profit organization that empower youth through chess. They raise money to travel around the country, visiting not only chess events and clubs, but also expose the kids to different cultural surroundings. With this Bay Area trip, they also visited Stanford University and the Golden Gate Bridge. The kids will also be participating in a scholastic tournament this weekend. The kids were excited and enthusiastic while at the club and it was an absolute pleasure to meet Coach Sorsby, who is making a very positive difference in the lives of these kids and in the chess community. We wish them well and we look forward to partnering with them in future chess events!

For more information about them, please visit: https://www.coachsorsby.com/astepahead

Visitors from England!

A chess player and fan from England came down for a visit to our historic club, and the timing was great. He got to join in the broadcast of the final round of the TNM! We were excited for Sasha and dad David to stop by and experience the TNM.

Bagby Memorial is on NEXT SATURDAY, July 27 @ MI Chess Room
LAST CALL to register online!

Tony's Teasers

Last week's problem:

  1.Qa8 e4 2.Qa3 Ke5 3.Qd6 mate

This week's problem:
Mate in 3 by Louis Jokisch 1888

  

Scholastic Corner
Report on the Scholastic Swiss from last Saturday, July 13
by Judit Sztaray

Another successful scholastic tournament was held at the Mechanics’ Institute Chess Club this past Saturday.
In the middle of the summer we had 26 players across the three sections. This is with many of our regular scholastic players out of town, so we were happy to see some new players!
The open section has the most players, and after four rounds we saw a 4-way tie for first place with 3.0 points between Brian Fong, Alex Perry, Austin Li and Brad Yen. Congratulations to the winners!

In the middle and lower section, we had 7 and 8 players, respectively. We only saw clear first place in the Intermediate section, Congratulations to Zee Chin for scoring 3.5 points. With this tournament, he crossed his first 25 games, and he is no longer a provisionally rated player! Inca Stienhas and Jacob Gould shared second place with 3.0 points sharing second place, while clear fourth place goes to Taurus and clear fifth goes to Samuel.
The beginner section had a thre way tie for first place between David Rabinovics, Stanley Rzad, and Arielle Hoffer. Simon and Alen scored 2.0 and shared 4th place together. 

Congratulations to all the winners and players, and many thanks for all the parents' support in our initiative to grow scholastic chess in the city and specially in MI. 

Next tournament is on Saturday, August 24th, and since most of the kids will be back to school already, I expect it to be full house. I encourage everyone to register early, and secure your spot. NEW in August is the quick and fun blitz right after the Swiss! So grab some lunch after Swiss and come back to play a fast and fun blitz touranemnt between 3-5PM.
Blitz is a fast time control game, with Game in 5 minutes no delay, so one game can last up to 10 minutes. We'll play 4 double rounds: that means when we paid, kids will first play as they are paired, and immediately after they will play a second game with the same opponent, just switching the colors. So any player will play both white and black against the same opponent in each round. 
More information on the Swiss tournament: https://www.milibrary.org/chess-tournaments/mechanics-institute-aug-scholastic-blitz 
and on the Blitz tournament: https://www.milibrary.org/chess-tournaments/mechanics-institute-aug-scholastic-swiss
Register through Jumbula: https://mechanics-institute.jumbula.com/Tournaments2019/MechanicsInstituteAugustScholasticBlitz

2019 Summer TNM Games Round 8

Annotations by GM Nick de Firmian and IM Elliott Winslow

​​

(1) Lee,Andy (2344) - Griffith,Kyron (2455) [B86]
MI Summer TNM: 2000+ San Francisco (8.1), 16.07.2019
[de Firmian,Nick]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 Nbd7 The "modern" move to us oldsters, especially since Short-Kasparov match in 1993 where it was featured. [7...b5 8.0-0 Be7] 8.g4 Rare -- [8.f4; 8.0-0; 8.Bg5 are all way more popular over the life of this] 8...Nc5 9.Qe2 h6 10.h4 Be7 11.g5 hxg5 12.Bxg5 Nh5 13.Qd2 Bd7 14.0-0-0 b5 15.Rde1?! b4! 16.Nd5!? 

16...Bxg5? [16...Nxb3+ 17.axb3 exd5 18.Bxe7 (18.exd5 f6) 18...Kxe7! is good for Black.] 17.hxg5 Nxb3+ 18.axb3 exd5 19.exd5+ Kf8 20.Ne6+! 

20...Bxe6 21.dxe6 Ra7 22.f4?! [22.exf7! Rxf7 23.Re6 Rd7 24.Qd5 controls the board.] 22...Re7 23.f5 fxe6 24.fxe6?! [24.f6 still maintains an advantage.] 24...Kg8 25.Rh4 [25.g6!?] 25...g6 26.Rd4 Kh7 27.Rxd6 Qa5 28.Kb1 Rhe8 29.Rd7 Qf5 30.Rd5? 

[Andy should have played 30.Rxe7+ Rxe7 31.Qd6 with near equality.] 30...Rxe6 31.Rd7+ Kg8 [31...Ng7!] 32.Rd1 Re2 33.Qd5+ Qxd5 34.R1xd5 Re1+ 35.Ka2 R1e5 Kyron efficiently wraps up the endgame and takes clear first place. 36.c4 Nf4 37.Rxe5 Rxe5 38.Rd4 Ne6 39.Rd6 a5 40.c5 Nxc5 41.Rxg6+ Kf7 42.Rf6+ Kg7 43.Rc6 Rxg5 44.Rb6 Kf7 45.Rb5 Ne6 46.Rb6 Rc5 47.Ra6 Ke7 48.Rb6 Nd4 49.Ra6 Ne2 50.Rb6 Nc1+ 51.Kb1 Nxb3 52.Ra6 Kd7 53.Ka2 Nd4 54.Ra7+ Kc6 55.Ra6+ Kb5 56.Ra8 Ka4 57.b3+ Nxb3 58.Kb2 Nd4 0-1

(2) Winslow,Elliott (2294) - Chambers,Ezra (2308) [B92]
MI Summer TNM: 2000+ San Francisco (8.2), 16.07.2019
[Winslow,Elliott]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 [7...Be6 8.0-0 Be7 0-1 (32) Den Hartog,M (2147)-Coenen,M (2294) Goch 2014] 8.Be3 [8.0-0 0-0 9.Kh1 b6] 8...Be6 9.Qd2?! [9.0-0 Nbd7; 9.Nd5!?] 9...Nbd7 10.0-0 b5 11.f3 Nb6 12.Na5 Qc7 13.a4 b4 14.Na2 Bxa2 15.Rxa2 d5 16.exd5 Nbxd5 17.Nc4 

[17.Nb3] 17...b3?! [17...Rd8; 17...0-0; 17...Nxe3 18.Nxe3 0-0 (18...Rd8 19.Qc1 Bc5) 19.Nf5 Bc5+ 20.Kh1 g6 21.Bc4 Kh8 22.Qg5 Ng8 23.Bd3 f6 24.Qg4 gxf5 25.Qxf5 Ra7 26.f4 Bd4 27.c3 Qf7 28.Raa1 bxc3 29.bxc3 Bxc3 30.Rac1 Bd2 31.Rc6 Ne7 32.Rxf6 Nxf5 0-1 (32) Den Hartog,M (2147)-Coenen,M (2294) Goch 2014] 18.cxb3 Bb4 19.Qc1! Nxe3 20.Nxe3 Qxc1 21.Rxc1 Bd2 22.Rc3 Bxc3 23.bxc3 Kd7?! ("½?") 24.Bc4 (Up to his draw offer I was thinking "how lucky I had this saving line, maybe I'll draw" -- but if *he* thinks it's only a draw...) 24...Rhf8 25.a5 [25.Kf2] 25...g6?! 26.Kf2 [26.g4!] 26...h5 27.b4 Ke7 28.Rc2?! Rfd8=/+ 29.Ke2 Rd6 30.Bb3 Rad8 31.Nc4 Rd5 32.Nb6 Rd1 33.Bc4 Rh1 34.Bxa6 Rdd1? [34...h4!] 35.Bc4+/- e4?! 36.a6+- Rhe1+ 37.Kf2 e3+ 38.Kg3 Rd2 39.a7[] Ra1 40.Rc1! [or 40.Rxd2 exd2 41.Bb3+- (41.Be2+-) ] 40...Rxc1 41.a8Q e2 

42.Qb7+?? [42.Qa7+! Rd7 43.Nc8+!; 42.Bxe2 Rxe2 43.c4+-; 42.Nc8+ Kf8 43.Bxe2 Rxe2 44.Nd6+ Ke7+-] 42...Rd7[] 43.Nxd7 e1Q+ 44.Kh3 Nxd7 0-1

(3) Tsodikova,Natalya (2197) - Wong,Russell (2200) [C15]
MI Summer TNM: 2000+ San Francisco (8.3), 16.07.2019
[de Firmian,Nick]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Nge2 dxe4 5.a3 Be7 6.Nxe4 b6 7.N2g3 Bb7 8.Bb5+ Nd7 9.0-0 a6 10.Be2 Ngf6 11.Bf3 Qc8 12.c4 Nxe4 13.Nxe4 0-0 14.Qe2 Re8 15.Bf4 Nf6 16.Ng5 h6 17.Bxb7 Qxb7 18.Nf3 Rad8 19.Rfd1 Bd6 

The opening is over, and it's about even. 20.Ne5 Nd7 21.Qh5 Bxe5 22.dxe5?! Qe4! 23.Bg3 Nc5! 

Black is in control at this stage of the game. 24.Qh4 Rxd1+ 25.Rxd1 Qe2 26.Qd4 Nb7! 27.Qd2 Qxc4 28.Rc1 Qa4 29.Qe2 Rd8 30.f4 c5 31.f5 Qd4+ 32.Bf2 Qf4?! [32...Qd3; 32...Qd2] 33.Rf1! exf5 34.Bxc5 [34.Qxa6!] 34...Qd2 35.Qxd2 Rxd2 36.Bxb6 Rxb2 37.Bd4 Rd2 38.Bc3 Rd3 39.Bb2 g6?! 40.Rc1 Nd8 41.Kf1 Ne6 42.Rc6 Rb3 43.Bc1 a5 44.Ke1 Rb5 45.Bxh6 Rxe5+ 46.Kd2 Rd5+ 47.Kc1 Rc5+? [47...g5 or; 47...f4 would trap the bishop (and win for Black)] 48.Rxc5 Nxc5 49.Kc2= f6 50.Be3 Na6? too close to the White king [50...Nb7] 51.Kb3 Nb8 52.Bb6 Nc6 53.Ka4 Kf7 54.Bxa5 Ke6 55.Bb6?! Kd5? [55...f4!] 56.Kb5 g5 57.a4 f4 58.a5 g4 59.a6 f3 60.gxf3 gxf3 61.a7 Nxa7+ 62.Bxa7 Ke4 63.Kc4 Kf4 64.Bf2 1-0

(4) Lin,Michael (2149) - Melville,Cailen (1935) [A10]
MI Summer TNM: 2000+ San Francisco (8.5), 16.07.2019
[de Firmian,Nick]

1.c4 b6 2.Nc3 Bb7 3.e4 e5 4.Nf3 Nc6 5.d4 exd4 6.Nxd4 Bb4 7.Be2 Qf6 8.Be3 Bxc3+ 9.bxc3 Nge7 10.f3 0-0 11.0-0 Na5 12.Rb1 d6 13.Qd2 h6 14.Bd3 Ba6 15.Qe2 c5 16.Nb3 Nac6 17.Rbc1 Ne5 18.Nd2 Nxd3?! That was White's worst piece [18...d5! 19.exd5 Nxd5!] 19.Qxd3 Rad8 20.Qc2 Nc6 21.f4 Na5 22.Qd3 Rfe8 23.f5 Kh8?! [23...d5! 24.exd5 Nxc4!] 24.Rf3 Nc6 25.Rh3 Ne7? [25...Ne5 and Black is still better] 26.Nf3 Kg8 27.g4 d5? Now this doesn't work 28.g5? [28.e5 is crushing 28...Qc6 29.Bxh6 gxh6 30.f6] 28...hxg5 [28...Qc6!=/+] 29.Bxg5 Qc6? [29...dxe4!] 30.Ne5! Qc7 31.Qg3 Rd6 32.Qh4 Rh6 33.Bxh6 Qxe5 34.Bf4 

1-0

(5) Walder,Michael (2007) - Senthilkumar,Pranav (2030) [E14]
MI Summer TNM: 2000+ San Francisco (8.6), 16.07.2019
[de Firmian,Nick]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 b6 5.a3 Bxd2+ 6.Qxd2 Bb7 7.e3 Ne4 8.Qc2 0-0 9.b4 a5 10.Bd3 f5 11.Bb2 axb4 12.axb4 Qe7 13.c5?! [13.Rxa8 Qxb4+ 14.Bc3! Nxc3 15.Ra1!+/-] 13...Na6 14.Qb3 bxc5 15.dxc5 Bd5 16.Bc4 Rab8 17.Bxd5 Naxc5 18.bxc5 Rxb3 19.Bxb3 Rb8 

20.0-0?? [20.Bd4 is even, but many would rather be White note 20...Rxb3? 21.Ra8+ Kf7 22.Ne5+ Kf6 23.Nc6++-] 20...Nxc5 21.Bxe6+ Qxe6 22.Nd4 Qe8 23.Ra5 d6 24.Ba1 Qe4 25.Nf3 h6 26.h3 Rb1 27.Rxb1 Qxb1+ 28.Kh2 Kh7 29.Ra7 Qb6 30.Ra8 Ne4 31.Nh4 Nxf2 32.Nxf5 Qb1 33.Ng3 Ne4 34.Nf5 and White lost on time in a totally hopeless position 0-1

(6) Tamondong,Cesar B (1715) - Chinchwadkar,Om (1897) [D02]
MI Summer TNM: Extra Rated San Francisco (8.7), 16.07.2019

1.d4 Nf6 2.Nf3 c5 3.g3 cxd4 4.Nxd4 e5 5.Nf3 Nc6 6.Bg2 d5 7.0-0 h6 8.c4 d4 9.b3 e4 10.Nfd2 Bf5 11.Ba3 Bd6 12.Qc2 Bxa3 13.Nxa3 Qe7 14.Qb2 0-0 15.Nc2 Rad8 16.Rad1 Bg6 17.a3 Rfe8 18.h3 e3 19.fxe3 Bxc2 20.Qxc2 Qxe3+ 21.Kh2 Qxe2 22.Rde1 d3 23.Qc3 Qxe1 24.Rxe1 Rxe1 25.b4 Nd4 26.Nf1 Nf3+ 27.Kh1 d2 0-1

(7) Smith,Robert (1800) - Riese,Kayven (1900) [C00]
MI Summer TNM: 2000+ San Francisco (8.8), 16.07.2019
[de Firmian,Nick]

1.e4 e6 2.Qe2 c5 3.Nf3 Nc6 4.g3 g6 5.Bg2 Bg7 6.0-0 Nge7 7.Na3 0-0 8.d3 d5 9.e5 a6 10.c3 h6 11.h4 Bd7 12.Bf4 Rc8 13.Qd2 Kh7 14.Rfe1 Nf5 15.Nc2 Qb6 16.Ne3 Nce7 17.Nxf5 Nxf5 18.Re2 d4 19.Qc2 Rfd8 20.c4 Rb8 21.Qd1 Qa5 22.Bd2 Qc7 23.Qe1 Ne7 24.Bf4 Nc6 25.a3 b5 26.Nd2 Bf8 27.Ne4 bxc4 28.Nf6+ Kh8 29.Qd2 h5 30.dxc4 Na5 31.Qc2 Nb3 32.Rd1 Ba4 33.Rd3 Qa5 34.Qb1 Qb6 35.Be4 Na5 36.Rf3 Qa7 

37.Bxg6! Bg7 38.Bd3 Bxf6 39.exf6 Rb3 40.Qc1 Bc6 41.Be5 1-0

(8) Persidsky,Andre (1876) - Davila,Carlos (2085) [E40]
MI Summer TNM: 2000+ San Francisco (8.11), 16.07.2019
[de Firmian,Nick]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nc3 Ne4 5.Qc2 f5 6.e3 0-0 7.Bd3 Nxc3 8.bxc3 Be7 9.0-0 d6 10.e4 g6 11.Bd2 Nd7 12.Rfe1 Nf6 13.exf5 exf5 14.Re2 Re8 15.Rae1 Bf8 16.Rxe8 Nxe8 17.d5 c5 18.dxc6 bxc6 19.c5 d5 20.c4 Nf6 21.cxd5 Nxd5 22.h3 Bg7 23.Ne5 Qc7 24.Nc4 Ba6 25.Nd6 Bxd3 26.Qxd3 Rb8 27.Qe2 Qd7 28.Qc4 h6 29.Bf4?? [29.h4+/=] 29...Rb4 30.Re8+ Kh7 31.Qe2 Rxf4 0-1

(9) Lehman,Clarence (1900) - Rudyak,Felix (1888) [B01]
MI Summer TNM: 2000+ San Francisco (8.12), 16.07.2019
[de Firmian,Nick]

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6 4.d4 Nf6 5.Be2 c6 6.Nf3 Bg4 7.Ne5 Bxe2 8.Qxe2 e6 9.0-0 Be7 10.Be3 0-0 11.Rad1 Nbd7 12.f4 Nb6 13.g4 Nbd5 14.Nc4 Qc7 15.Bc1 Nxc3 16.bxc3 Nd5 17.Qf3 c5 18.Ba3 b5 19.Ne5 b4 20.Bb2 cxd4 21.cxd4 Qxc2 22.Rf2 Qa4 23.Qb3?! Qxb3 24.axb3 Rfc8 25.Nc4 a5 26.Ra1 a4 27.f5 axb3 28.Na5 Bh4 29.Rd2 Rc2 30.Nxb3 Rxa1+ 31.Bxa1 Rxd2 32.Nxd2 exf5 33.Nf3 Be7 34.gxf5 Ne3 35.Ne5 b3 36.Nc6 Ba3 37.Kf2 Nxf5 38.d5 b2 39.Bxb2 Bxb2 40.Kf3 Nd4+ 41.Ke4 f5+ 42.Kf4 g6 43.h4 Kf8 44.Nb4 Nb5 45.h5 Bc1+ 46.Ke5 Ba3 47.Nd3 Ke7 48.hxg6 hxg6 49.Kf4 Kf6 50.Ke3 g5 51.Kf2 Nc3 52.Ke3 Nxd5+ 53.Kd4 Ne7 54.Nf2 g4 0-1

(10) Jensen,Christian (1819) - Maser,Thomas (1956) [A70]
MI Summer TNM: 2000+ San Francisco (8.13), 16.07.2019
[de Firmian,Nick]

1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 [6...a6 7.a4 g6 1-0 (55) Eliskases,E-Bogoljubow,E Germany 1939] 7.e4 Bg7 [7...a6 8.a4 Bg4 (8...Bg7 9.Bd3 0-0 (9...Bg4 10.0-0 0-1 (31) Van de Venter,W (1884)-Mgobhozi,B (1837) Witwatersrand 2017) 10.0-0 Bg4 11.h3 Bxf3 1-0 (55) Eliskases,E-Bogoljubow,E Germany 1939) 9.h3 Bxf3 10.Qxf3 Bg7 11.Bd3 0-0 1/2-1/2 (45) Miles,A (2580)-De Firmian,N (2595) USA 1989 CBM 019 [Wahls,M]] 8.Bd3 0-0 [8...a6] 9.0-0 [9.h3] 9...Bg4 [9...a6] 10.h3 Bxf3 11.Qxf3 a6 12.a4 Nbd7 Over 300 games here! 13.Bf4 [13.Qe2 Ne5 14.Bc2 Nh5 15.g4 Nf6 16.f4 Ned7 Well that didn't work 17.Be3 Re8 18.Qg2 b5 19.axb5 axb5 20.Rxa8 Qxa8 21.g5 Nh5 22.Nxb5 Qb8 23.Bd3 f5 24.gxf6 Ndxf6 25.Nc3 Qb3 26.Bc1 Nd7 27.Qc2 Qb4 28.Nb5 Ng3 29.Bd2 Bd4+ 30.Kg2 Nxf1 31.Kxf1 Qxb2 32.Qxb2 Bxb2 33.Nxd6 Ra8 34.Nc4 Bc1 35.Bxc1 Ra1 36.e5 Rxc1+ 37.Ke2 Rh1 38.e6 Nf6 39.d6 Rh2+ 40.Ke1 Rxh3 41.Ne5 Rh1+ 42.Kd2 Ra1 43.d7 Ra8 44.Nc6 Kg7 45.d8Q Rxd8 46.Nxd8 h5 47.e7 h4 48.Bb5 h3 49.e8Q Nxe8 50.Bxe8 Kf6 51.Nb7 h2 52.Bc6 c4 53.Nd6 g5 54.fxg5+ Kxg5 55.Nxc4 1-0 Eliskases,E-Bogoljubow,E Germany 1939. "When I'm White I win because I'm White, and when I'm Black -- oops!"; 13.Qd1 Re8 14.Re1 Rc8 15.a5 c4 16.Bb1 Nc5 17.Bc2 Nfd7 18.f4 Qh4 19.Bd2 Nd3 20.Bxd3 cxd3 21.Ra3 f5 22.exf5 gxf5 23.Ra1 Nc5 24.Kh2 Rxe1 25.Qxe1 Qxe1 26.Bxe1 Bxc3 27.bxc3 Re8 28.Bf2 Nb3 29.Rd1 Re2 30.Kg1 d2 31.Kf1 Re4 32.g3 Rc4 33.Ke2 Rxc3 34.Be3 Rc2 35.Bxd2 Ra2 36.Ke3 Nxd2 37.Rxd2 Rxa5 38.g4 Ra3+ 39.Kd4 Ra4+ 40.Ke3 Ra3+ 41.Kd4 Rxh3 42.gxf5 Ra3 43.Rc2 Ra4+ 44.Ke3 Rb4 45.Rc7 Rb3+ ½-½, Miles,A (2580)-De Firmian,N (2595) US ch 1989. Miles was briefly a player for the US.] 13...Qc7 14.Be2 [14.Qe2 Rfe8 15.Bh2 Rac8 16.Bc4 An early Tal win from here -- but an even earlier -- by two years -- Spassky win! 16...Ne5 (16...Nxe4? 17.Nxe4 f5 18.Nxd6 Rxe2 19.Nxc8; 16...Nb6 17.a5 Nxc4 18.Qxc4 Nd7 19.f4 b5 20.axb6 Nxb6 21.Qxa6 Bxc3 22.bxc3 Rxe4 23.Rab1 Nc4 24.Rb7 Qd8 25.Ra1 Qh4 26.Rbb1 Rce8 27.Kh1 Qh5 0-1 (53) Ravn,P-Spassky,B, World Students Team-ch, Reykjavik 1957) 17.f4 (17.Bxe5 Rxe5-/+) 17...Nxc4 18.Qxc4 Nd7-/+ 19.Rfe1? Qb6! 20.Rab1 Qb4 21.Qf1 c4!-+ 22.Re2 b5 23.axb5 axb5 24.Kh1 Bxc3 25.bxc3 Qxc3 26.Rxb5 Qd3 27.Qe1 c3 28.Rb1 Nc5 0-1 Donner,J-Tal,M, Zurich 1959 (28...Nc5 29.Qd1 Rxe4 30.Qxd3 Nxd3 31.Rxe4 c2) ] 14...Rfe8 15.g4N [15.Rfe1 c4 16.Rac1 Ne5 17.Qe3 Rab8 18.b3 cxb3 19.Nb5 Qd7 20.Qxb3 axb5 21.Bxb5 Qd8 22.Bxe8 Nxe8 23.Be3 Nd7 24.Ba7 Nc5 25.Bxc5 dxc5 26.Rxc5 Rc8 0-1 (31) Van de Venter,W (1884)-Mgobhozi,B (1837) Witwatersrand 2017] 15...Ne5 16.Qg3 Qe7 17.g5 Nfd7 18.Bd2 1-0?? [We think it actually ended 18.Bd2 Rab8?? (18...c4! is advantage Black after the typical tactical flow 19.f4 Nd3 20.Bxd3 cxd3 21.Qxd3 Nc5 22.Qc2 Bxc3! 23.Bxc3 Qxe4-/+) 19.f4+-] 1-0

(11) Busch,Jonah (1865) - Clemens,Kristian (1990) [A11]
MI Summer TNM: 2000+ San Francisco (8.14), 16.07.2019
[de Firmian,Nick]

1.Nf3 d5 2.c4 c6 3.b3 Nf6 4.g3 g6 5.Bb2 Bg7 6.Bg2 0-0 7.0-0 Bf5 8.h3 Re8 9.d3 Qc7 10.Nbd2 e5 11.cxd5 cxd5 12.Rc1 Nc6 13.Re1 Qa5 14.Bc3 Qb6 15.e4 Bd7 16.exd5 Nxd5 17.Nc4 Qa6 18.Bxe5 Nxe5 19.Nfxe5 Be6 20.d4 Rad8 21.Ne3 Nb4 22.Qd2 Bxe5 23.Qxb4 Bxd4 24.Bxb7 Qxa2 25.Bc6 Rf8 26.Ba4 Bxe3 27.Rxe3 Rd2 28.Qf4 Rfd8 29.Qf6 Rd1+ 30.Rxd1 Rxd1+ 31.Kh2 Qb1 32.Bc6 Qf5 33.Qxf5 Bxf5 34.Re8+ Kg7 35.Re7 Be6 36.b4 Rc1 37.b5 a6 38.Ra7 axb5 39.Bxb5 Bd5 40.g4 g5 41.Rd7 Rh1+ 42.Kg3 Rg1+ 43.Kh2 Rg2+ 44.Kh1 There is a move missing for both players; 0-1 0-1

(12) Drane,Robert Will (1828) - Xu,Jayden (1855) [C18]
MI Summer TNM: 2000+ San Francisco (8.15), 16.07.2019
[de Firmian,Nick]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7 7.Qg4 f5 8.Qg3 Nc6 9.Ne2 Nge7 10.h4 0-0 11.Rh3 Ng6 12.h5 f4 13.Qg5?! [13.Qg4] 13...Rf5 14.Qg4 

14...Ngxe5!? 15.dxe5 Nxe5 16.Qh4 f3 17.Ng3?!= [17.gxf3 Nxf3+ (17...Rxf3 18.Bf4!) 18.Rxf3 Rxf3 19.h6 is very strong] 17...Rf8 18.Nh1? b6 19.Kd1 Bb7 20.Qg3 d4 21.gxf3 Rxf3 22.Qh2 Raf8 23.Rxf3 Bxf3+ 24.Be2 

24...Qc6! 25.Qxe5 Bxe2+ 26.Kxe2 Qf3+ 27.Kd2 

27...dxc3+! 28.Qxc3 Rd8+ 29.Qd3 Rxd3+ 30.cxd3 Qxh1 31.Bb2 Qxh5 32.Rg1 e5 33.Ke3 Qh6+ 34.Ke4 Qf4+ 35.Kd5 Qxf2 0-1

(13) Huberts,Alexander (1615) - Mohammed,Mansoor (1743) [C70]
MI Summer TNM: 1600-1999 San Francisco (8.9), 16.07.2019
[de Firmian,Nick]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 g6 5.0-0 Bg7 6.c3 Nge7 7.Re1 0-0 8.d4 exd4 9.cxd4 d6 10.Nc3 Bg4 11.Be3 b5 12.Bb3 Kh8 13.Qd2 Bxf3 14.gxf3 Na5 15.Rec1 c6 16.Ne2 d5 17.Rc5 Nb7 18.Rcc1 Na5 19.Rc5 Nb7 20.Rcc1 dxe4 A safe draw, securing 2nd and 1st 1/2-1/2

(14) Makhanov,Gaziz (1830) - Papanek,Ella (1997) [B40]
MI Summer TNM: 1600-1999 San Francisco (8.16), 16.07.2019
[de Firmian,Nick]

1.e4 c5 2.Nf3 e6 3.e5 Nc6 4.c3 Qa5 5.Be2 Nge7 6.0-0 c4?! 7.Bxc4 Nxe5 8.Nxe5 Qxe5 9.d4 Qc7 10.Bb3 Nf5 11.Nd2 Bd6 12.Nf3 b6 13.h3 Bb7 14.Bc2 Ne7 15.Re1 h6 16.Ne5 g6 17.a4 Rg8 18.Be4 Bxe4 19.Rxe4 f5 20.Re1 Nd5 21.c4 Nf6 22.a5! Aggressive queenside play by Gaziz 22...Bb4 23.Bd2 bxa5 24.Bxb4 axb4 25.Qf3 Ne4? 

26.Rxe4 d6 27.Ree1 Rc8 28.Nd3 Kf7 29.b3 a5 30.Qe3 Rce8 31.Rac1 g5 32.c5 d5 33.Qe5 Qb7 34.c6 Qa7 35.Nc5 Rg6 36.c7 g4 37.c8Q Rxc8 38.Nxe6 gxh3 39.Qxf5+ Rf6 40.Qh7+ Ke8 41.Nc7+ Kd8 42.Qe7# 1-0

(15) Porlares,Teodoro (1728) - Robeal,Rafik (1737) [C42]
MI Summer TNM: 1600-1999 San Francisco (8.17), 16.07.2019
[de Firmian,Nick]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Nc3 d5 6.d4 Bb4 7.Qd3 c6 8.a3 Bxc3+ 9.bxc3 0-0 10.Be2 Bf5 11.Qe3 Re8 12.0-0 Ng3 13.Ne5 Nxf1 14.Bxf1 f6 15.Qf4 Bxc2 16.Nf3 Nd7 17.Be3 Nf8 18.Ra2 Ng6 19.Qg3 Bf5 20.Nd2 Qa5 21.Bf4 Qa4 22.Rb2 Qd1 23.Rxb7 Re1 24.h4 Rae8 25.h5 Qxh5 26.Be3 Bd3 27.Qc7 Ne7 28.Qd7 

28...Bxf1 29.Nxf1 Rxf1+ 30.Kxf1 Qd1# 0-1

(16) Perlov,Alexander (1724) - Cortinas,Marty (1663) [A87]
MI Summer TNM: 1600-1999 San Francisco (8.18), 16.07.2019

1.d4 f5 2.Nf3 Nf6 3.g3 g6 4.Bg2 Bg7 5.0-0 0-0 6.b3 d6 7.Bb2 c6 8.c4 Na6 9.Nbd2 Bd7 10.Ng5 h6 11.Nh3 Rc8 12.Nf4 Kh7 13.e4 fxe4 14.Nxe4 Nc7 15.Nc3 Rf7 16.Re1 Bg4 17.Qd2 Qg8 18.h3 Bd7 19.d5 Re8 20.Re2 e5 21.dxe6 Nxe6 22.Nxg6 Bf8 23.Nxf8+ Qxf8 24.Ne4 Nxe4 25.Bxe4+ Kg8 26.Bg6 Ng5 27.Bxf7+ Qxf7 28.Rxe8+ Bxe8 29.Qe3 Nxh3+ 30.Kg2 Ng5 31.Re1 Kf8 32.Qc3 Ne6 33.Qh8+ Ke7 34.Qxh6 Kd7 35.Re3 Qf5 36.Qf6 Qg4 37.Qf3 Qg8 38.Ba3 Bf7 39.Rd3 d5 40.cxd5 Nf4+ 41.Qxf4 Bxd5+ 42.Kg1 Qg6 43.Rd1 Qh5 44.Rxd5+ Qxd5 45.g4 Ke6 46.Qf8 Qe5 47.Qe7+ Kd5 48.Qxb7 Qe6 49.Qb4 c5 50.Qc4+ Ke5 51.f4+ Kf6 52.Qxe6+ Kxe6 53.Bxc5 a6 54.f5+ Ke5 55.Kf2 Kf6 56.Bd4+ Kg5 57.Kg3 a5 58.a3 1-0

(17) Argo,Guy (1884) - Kaplan,Glenn (1568) [B07]
MI Summer TNM: 1600-1999 San Francisco (8.19), 16.07.2019
[de Firmian,Nick]

1.e4 d6 2.f4 Nf6 3.c3 g6 [3...c5; 3...e5] 4.e5 dxe5 [4...Nd5] 5.fxe5 Nfd7 [5...Nd5] 6.Nf3 Bg7 7.d4 0-0 8.Bc4 Nb6 9.Bb3 Bg4 10.h3 Bxf3 11.Qxf3+/- Black has a rough time here! 11...Nc6 12.h4!? 

[Simply 12.0-0 leaves Black with a selection of misfit minor pieces, but White decides to blow Black off the board!] 12...Nxd4?! Black doesn't like the trend, and so completely changes the landscape. Probably not sound, but a good practical chance. [12...Na5 13.Bc2 h5+/-] 13.cxd4 Qxd4 14.Nc3! Qxe5+ 15.Ne4?! [15.Be3 Bh6 16.Kf2] 15...Nd7 [15...c5! and ...c4 is a strong bid for control, but White still hangs onto an advantage.] 16.0-0 Nf6 17.Nxf6+ Bxf6 18.Bh6 Qd4+ 19.Rf2 Bxh4 20.g3 Bf6 21.Bxf8 [21.Qxb7] 21...Rxf8 22.Qxb7 Qd3 23.Kg2 Be5 24.Qf3 Qa6 [24...Qxf3+!?] 25.Bxf7+ Kg7 

0-1 ?? No clue as to why it's Black who won. 0-1

(18) Malykin,Erika (1704) - Mercado,Adam (1708) [E10]
MI Summer TNM: 1600-1999 San Francisco (8.20), 16.07.2019

1.d4 Nf6 2.Bg5 e6 3.c4 c5 4.Nf3 cxd4 5.Qxd4 Nc6 6.Bxf6 gxf6 7.Qd1 b5 8.e3 bxc4 9.Bxc4 Qa5+ 10.Nbd2 d5 11.Be2 Rb8 12.Qc2 Bd7 13.a3 Bd6 14.0-0 Ke7 15.Rfd1 h5 16.e4 d4 17.Nc4 Qc7 18.Nxd4 Nxd4 19.Rxd4 Be5 20.Rd2 Bxh2+ 21.Kf1 Bf4 22.Ne3 Qxc2 23.Rxc2 Bxe3 24.fxe3 Rb3 25.Kf2 Rhb8 26.Bxh5 Rxb2 27.Rac1 Ba4 28.Re2 Rxe2+ 29.Bxe2 Rb2 30.Kf1 Kd6 31.Rc4 Bb5 32.Rd4+ Kc6 33.Bxb5+ Rxb5 34.Kf2 e5 35.Rc4+ Kb6 36.g4 Ka5 37.Rc7 a6 38.Rxf7 Rb6 39.Rd7 Ka4 40.Rd3 a5 41.Kf3 Rb3 42.Rd6 Kxa3 43.Rxf6 Kb2 44.g5 a4 45.g6 Rb8 46.g7 Rg8 47.Rf7 a3 48.Rb7+ Kc3 49.Ra7 Kb3 50.Rb7+ 1/2-1/2

(19) Ochoa,Jason (1738) - Sablon,Hadrien [A09]
MI Summer TNM: 1600-1999 San Francisco (8.21), 16.07.2019

1.Nf3 d5 2.c4 d4 3.b4 Bf5 4.Bb2 c5 5.bxc5 Nc6 6.Qa4 Bd7 7.Qa3 e5 8.d3 Qe7 9.g3 Qxc5 10.Bg2 Nb4 11.0-0 Nf6 12.Nbd2 Bd6 13.Nb3 Qc7 14.c5 Bxc5 15.Rac1 Nxd3 16.Nxc5 Nxc1 17.Rxc1 Bc6 18.Nxb7 Qxb7 19.Rxc6 Qxc6 20.Nxe5 Qc7 21.Bc6+ Kd8 22.Bxd4 Rb8 23.Qd3 Kc8 24.Qf5+ Kd8 25.Qd3 Kc8 26.Bf3 Re8 27.Qa6+ Rb7 28.Nc6 Re6 29.Nxa7+ Kb8 30.Nc6+ Kc8 31.Qa8+ Rb8 32.Nxb8 Qxb8 33.Qxb8+ Kxb8 34.a4 Ra6 35.h4 Kc7 36.h5 h6 37.e4 Rxa4 38.Be5+ Kd7 39.Bxf6 gxf6 40.Bg4+ Kd6 41.Bf5 Ke5 42.Kg2 Kd4 43.Kf3 Kd3 1/2-1/2

(20) Hack,Richard (1615) - Bradley,Christopher Nolan (1634) [A20]
MI Summer TNM: 1600-1999 San Francisco (8.23), 16.07.2019
[de Firmian,Nick]

1.c4 Nf6 2.g3 c6 3.Bg2 e5 4.d4 e4 5.Nc3 d5 6.cxd5 cxd5 7.Bg5 Be7 8.e3 Nc6 9.Nge2 0-0 10.0-0 Nb4 11.Nf4 h6 12.Bxf6 Bxf6 13.a3 g5 14.axb4 gxf4 15.gxf4 Kh7 16.Qh5 Be6 17.Bh3 Rg8+ 18.Kh1 Bg7 19.f5 Bc8 20.Qxf7 Qh4 21.Qg6+ Kh8 22.Qg3 Qd8 23.Rg1 Bf6 24.Qxg8+ Qxg8 25.Rxg8+ Kxg8 26.Rg1+ Kf7 27.Nxd5 Bg5 28.Bg4 Bd7 29.Bh5+ Kf8 30.Bg6 Rc8 31.Nc3 Ke7 32.Rg4 a5 33.Rxe4+ Kd6 34.b5 Rxc3 35.bxc3 a4 36.c4 a3 37.Rg4 

37...Bh4 38.c5+ Ke7 39.Rg1 Bxf2 40.Ra1 Bxb5 41.d5 Bc4 42.Kg2 Bxe3 43.Rxa3 Bxc5 44.Ra1 Bxd5+ 45.Kh3 b5 46.Rf1 Kf6 47.Kg4 b4 48.Be8 b3 49.Ba4 Bd4 50.Bxb3 Bxb3 51.Re1 Bf7 52.Ra1 Be3 53.Ra6+ Kg7 54.Kf3 Bd2 55.Ke4 h5 56.Rd6 Bc1 57.Rc6 Bb2 58.Rc2 Bf6 59.Rg2+ Kh6 60.Kf4 h4 61.h3 Bc3 62.Re2 Bf6 63.Rg2 Bh5 64.Rg8 Kh7 65.Rg2 Bd1 66.Rd2 Ba4 67.Ra2 Be8 68.Re2 Bd7 69.Rg2 Bc6 70.Rg1 Bd5 71.Kg4 Kh6 72.Kf4 Kh5 73.Rg6 Bd8 74.Rg7 Kh6 75.Rg6+ Kh7 76.Ke5 Bb7 77.Rg1 Bc7+ 78.Kf6 Bd8+ 79.Ke6 Bc8+ 80.Ke5 Bc7+ 81.Kf6 Bg3 82.Rd1 Bf4 83.Rd8 Ba6 84.Rd7+ Kh6 85.Rd1 Be2 86.Re1 Bf3 87.Rg1 Bh2 88.Rg8 Kh7 89.Rg7+ Kh8 90.Rg6 Bg3 91.Rh6+ Kg8 92.Rg6+ Kf8 93.Rh6 Ke8 94.Rh8+ Kd7 95.Rh7+ Kd6 96.Kg7 Bg2 97.Rh6+ Kd7 98.f6 

98...Bxh3?? [98...Be5] 99.f7 Be5+ 100.Kg8 Be6 101.Rxe6 1-0

(21) Agdamag,Samuel Zamora (1526) - Etinoff,Claude (1648) [C13]
MI Summer TNM: 1600-1999 San Francisco (8.24), 16.07.2019
[de Firmian,Nick]

1.e4 e6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nf6 5.Bg5 Nbd7 6.Nf3 Be7 7.Ng3 c5 8.c3 0-0 9.Bd3 h6 10.Bd2 Nb6 11.Qe2 Qc7 12.dxc5 Bxc5 13.0-0 Bd7 14.Rad1 Bc6 15.h3 Rad8 16.Ne5 Bd6 17.Nxc6 bxc6 18.Ne4 Nbd7 19.Nxd6 Qxd6 

20.Bxh6! Qe5 21.Be3 Nc5 22.Bd4 Qxe2 23.Bxe2 Nce4 24.Bxf6 Nxf6 25.Rxd8 Rxd8 26.Rd1 Rxd1+ 27.Bxd1 c5 28.Bf3 a5 29.Kf1 Kf8 30.Ke2 Ke7 31.Kd3 Kd6 32.Kc4 e5 33.Bb7 Kc7 34.Bd5 Kd6 35.Bxf7 Ne4 36.f3 Nf6 37.Kb5 g5 38.Kxa5 e4 39.fxe4 Nxe4 40.Kb6 Nf6 41.a4 Nd7+ 42.Kb7 Ne5 43.Be8 Nc4 44.b3 Na5+ 45.Kb6 Nxb3 46.a5 Nd2 47.Bf7 Ne4 48.a6 Nxc3 49.a7 Efficient endgame play from Sammy 1-0

(22) Khamkar,Susheel (1466) - Newey,Richard (1630) [A36]
MI Summer TNM: 1600-1999 San Francisco (8.25), 16.07.2019
[de Firmian,Nick]

1.c4 c5 2.Nc3 g6 3.g3 Bg7 4.Bg2 e6 5.d3 Ne7 6.e4 Nbc6 7.Nge2 0-0 8.0-0 d6 9.a3 a6 10.Rb1 Bd7 11.b4 Qc7 12.bxc5 dxc5 13.Be3 Nd4 14.Bg5 Nec6 15.Nxd4 cxd4 16.Ne2 e5 17.Bd2 Rab8 18.f4 f6 19.f5 g5 20.g4 b6 21.Qe1 a5 22.h4 h6 23.hxg5 hxg5 24.Ng3 Kf7 25.Qc1 Qd6 26.Nh5 Bh6 

27.Rxb6 Rxb6 28.c5 Qb8 29.cxb6 Qxb6 30.Qc4+ Ke8 31.Qc2 Qd8 32.Rb1 Rf7 33.Qb2 Bf8 34.Bf3 Be7 35.Bd1 Qa8 36.Bb3 Rh7 37.Bd5 Qa7 38.Qc2 Qc7 

39.Bxa5 Qxa5 40.Bxc6 Qc3 41.Bxd7+ Kxd7 42.Qa4+ Qc6 43.Rb7+ Kd6 44.Qb4+ Qc5 45.Qxc5+ Kxc5 46.Nxf6 Rh3 47.Rxe7 Rxd3 48.Rc7+ Kb5 [48...Kd6 49.Ne8#] 49.Rc2 Rxa3 50.Kf2 d3 51.Rd2 Kc4 52.Ke3 Ra6 53.Nh5 [53.Nh7 Rh6 54.Nxg5 Rh3+ 55.Nf3 Kc3 56.Rxd3+] 53...Rd6 54.f6 Rd8 55.Ng3 Rd6 56.f7 Rf6 57.Nf5 Kc5 58.Rxd3 Rxf7 59.Rd5+ Kc4 60.Nd6+ 1-0

(23) Yamamoto,Craig (1500) - Mays,Jerry (1700) [A45]
MI Summer TNM: 1600-1999 San Francisco (8.26), 16.07.2019
[de Firmian,Nick]

1.d4 Nf6 2.e4 The Reynolds Gambit -- speculative but fun 2...Nxe4 3.Nc3 Nxc3 4.bxc3 d5 5.c4 e6 6.cxd5 exd5 7.c3 Be7 8.Bd3 Nd7 9.Nf3 Nf6 10.Qe2 0-0 11.h3 c5 12.0-0 c4 13.Bc2 b5 14.Bd2 a5 15.Qe1 Rb8 16.Ne5 Rb6 17.f4 b4 18.g4 bxc3 19.Bxc3 Bb4 20.Bxb4 axb4 21.g5 Ne4 22.h4 f5 23.Bxe4 dxe4 24.h5 Qxd4+ 25.Qf2 e3 26.Qe2 Ba6 27.Rfd1 Qxf4 28.Nf3 Qg4+ 29.Kf1 c3 30.Qd3 Qxf3+ 31.Ke1 Qf2# 0-1

(24) Carron,Joel (1516) - Casares,Nick (1603) [C50]
MI Summer TNM: 1600-1999 San Francisco (8.27), 16.07.2019

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Be7 5.Nxd4 Nf6 6.Nxc6 bxc6 7.e5 Nd5 8.Bxd5 cxd5 9.Qxd5 Rb8 10.0-0 0-0 11.Nc3 d6 12.exd6 Bxd6 13.Rd1 Bb7 14.Qd4 Re8 15.Bf4 Qe7 16.Bxd6 Qe1+ 17.Rxe1 1-0

(25) Chan,John (1530) - Rousso,Gregory [D02]
MI Summer TNM: U1600 San Francisco (8.10), 16.07.2019

1.d4 Nf6 2.Nf3 d5 3.h3 Bf5 4.Nc3 Nc6 5.a3 e6 6.Bg5 Bd6 7.e3 a6 8.Be2 Qe7 9.Bh4 h6 10.Bxf6 gxf6 11.Qd2 Rg8 12.g4 Be4 13.Rf1 f5 14.gxf5 Bxf5 15.Rh1 Be4 16.Nxe4 dxe4 17.Ng1 Qg5 18.Bf1 0-0-0 19.0-0-0 Nxd4 20.Kb1 Bxa3 21.Qc3 Bxb2 22.Qxb2 Nc6 23.Rxd8+ Rxd8 24.Ne2 Na5 25.Nc3 Qf5 26.Qa2 Rd6 27.Ka1 Qe5 28.Qa3 Nc6 29.Kb1 Qf5 30.Rh2 Ne5 31.Rg2 Qf3 32.Rg8+ Kd7 33.Qa4+ c6 34.Qa5 Qf6 35.Nxe4 Rd1+ 36.Ka2 Qe7 37.Qxe5 Ra1+ 38.Kxa1 Qa3+ 39.Kb1 Qb4+ 40.Qb2 Qe1+ 41.Ka2 Qa5+ 42.Qa3 Qd5+ 43.Qb3 Qa5+ 44.Kb2 Qe5+ 45.Nc3 b5 46.Ra8 1-0

(26) Sachs-Weintraub,Julian (1416) - Barreyro,Romeo [A45]
MI Summer TNM: U1600 San Francisco (8.28), 16.07.2019

1.d4 Nf6 2.Nc3 e6 3.e4 b6 4.Bg5 Be7 5.e5 Nd5 6.Bxe7 Nxe7 7.Bd3 Bb7 8.Nf3 h6 9.0-0 0-0 10.Na4 Ng6 11.c4 Nh4 12.Nxh4 Qxh4 13.c5 Kh8 14.Be2 Na6 15.Rc1 Nb4 16.a3 Nd5 17.Bf3 f6 18.Re1 fxe5 19.g3 Qf6 20.Kg2 exd4 21.Re4 e5 22.Qe2 Rae8 23.Re1 d6 24.cxd6 cxd6 25.Bh5 Rc8 26.f3 Ne7 27.Rh4 Nd5 28.b4 Ne3+ 29.Kf2 Rc2 30.f4 Rxe2+ 31.Rxe2 exf4 32.Rxf4 Qe7 33.Rxf8+ Qxf8+ 34.Bf3 Qxf3+ 35.Kg1 Qf1# 0-1

(27) Fernicola,Michael (1554) - Baer,Michael (1397) [E61]
MI Summer TNM: U1600 San Francisco (8.29), 16.07.2019
[de Firmian,Nick]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.b4 0-0 [5...c5!?] 6.e3 c6 [6...c5!] 7.Bd3 Nbd7 8.Qc2 e5 9.0-0 Nh5 10.Rb1 f5 11.dxe5 dxe5 12.e4 f4 13.Bb2 h6 14.Rfd1 Qe7 15.c5 g5 16.Bc4+ Kh8 17.Rd6 g4 18.Ne1 Qg5? [18...Ndf6 to play ...Ne8 and get the queenside pieces in play] 19.Rbd1 Nhf6 20.Be6 Rd8 21.Qd2 Bf8 22.Rd3 h5 23.h3 Bh6 24.hxg4 hxg4 25.Bf5 f3 26.Qxg5 Bxg5 27.gxf3 gxf3 28.Nxf3 Bf4 29.Ne2 Rg8+ 30.Kf1 Rg7 31.Nxf4 exf4 32.Bxd7 1-0

(28) Reyes,Victor Hugo (1282) - Starr,Albert (1545) [C24]
MI Summer TNM: U1600 San Francisco (8.30), 16.07.2019
[de Firmian,Nick]

1.e4 e5 2.Bc4 Nf6 3.d3 Bc5 4.c3 0-0 5.Bg5 h6 6.Bh4 d6 7.b4 Bb6 8.a4 a5 9.b5 Nbd7 10.Ba2 Qe8 11.Nd2 c6 12.Nc4 Bc7 13.Ne3 cxb5 14.axb5 b6 15.Nf3 g5 16.Bg3 Nc5 17.Nf5? Bxf5 18.exf5 Qxb5 19.0-0 Qxd3 20.Qc1 Qxf5 21.h4 Nce4 22.hxg5 hxg5 23.Bb1 Qg4 24.Ra4 b5 25.Rxe4 Nxe4 26.Bxe4 Qxe4 27.Nxg5 Qg6 28.Re1 Bd8 29.Nh3 Rc8 30.Bh2 b4 31.c4 f6 32.Re3 Kf7 33.Rg3 Qe4 34.Qd1 Rh8 35.Kh1 Rxc4 36.Qxd6 Rd4 37.Ng5+ fxg5 38.Rf3+ 

38...Qxf3! 0-1

(29) Simpkins,Jerry (1505) - Radaelli,Lucas [B21]
MI Summer TNM: U1600 San Francisco (8.31), 16.07.2019
[de Firmian,Nick]

1.e4 c5 2.f4 d6 3.Nf3 Nc6 4.c3 g6 5.Na3 Bg7 6.d3 e6 7.Nc2 Nge7 8.Be2 0-0 9.0-0 b6 10.Be3 Bb7 11.Qd2 f5 12.Ng5 Qd7 13.Rad1 Rad8 14.Bf3 e5 15.Qf2 d5 16.Qh4 h6 17.Nh3 exf4 18.Bxf4 g5 19.Bxg5 hxg5 20.Nxg5 Rf6 21.exf5 Rh6 22.Qe1 Rf8 23.Bg4 Qd6 24.g3 Ne5 25.Bh3 d4 26.Bg2 Bxg2 27.Kxg2 Qc6+ 28.Kg1 Ng4 29.h4 Nxf5 30.Rxf5 Rxf5 31.Ne4 and 0-1 in a few 0-1

(30) Ross,Max (1574) - James,Charles (1404) [D70]
MI Summer TNM: U1600 San Francisco (8.32), 16.07.2019
[de Firmian,Nick]

1.d4 d5 2.Nf3 c6 3.e3 Nf6 4.Bd3 g6 5.0-0 Bg7 6.Nbd2 0-0 7.c4 e6 8.Qc2 Nbd7 9.b3 Qc7 10.Bb2 Re8 11.e4 dxe4 12.Nxe4 Nxe4 13.Bxe4 f5 14.Bd3 e5 15.dxe5 Nxe5 16.Nxe5 Bxe5 17.Bxe5 Rxe5 18.c5 Qe7 19.Bc4+ Be6 20.Rfe1 Bxc4 21.Qxc4+ 

21...Kg7? [21...Kf8 avoids the deadly pin] 22.Qc3 Qf6 23.Qxe5 1-0

(31) Hansen,Mateo (1566) - Yu,Prescott (1212) [B10]
MI Summer TNM: U1600 San Francisco (8.33), 16.07.2019

1.e4 c6 2.Nf3 d5 3.exd5 cxd5 4.Bd3 Bg4 5.0-0 e5 6.Qe1 e4 7.Bxe4 dxe4 8.Qxe4+ Be6 9.Qxb7 Nd7 10.d4 Ngf6 11.Re1 Be7 12.Nc3 0-0 13.Bf4 Qb6 14.Qxb6 Nxb6 15.Ng5 Nfd5 16.Nxe6 fxe6 17.Bd2 Kf7 18.Ne4 h6 19.Re2 Nc4 20.b3 Nxd2 21.Nxd2 1/2-1/2

(32) Thibault,William (1062) - Cole,Tony (1400) [C02]
MI Summer TNM: U1600 San Francisco (8.34), 16.07.2019

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 b6 6.Be3 c4 7.a4 Na5 8.Nbd2 Ne7 9.Nh4 Nf5 10.Nxf5 exf5 11.f4 Be7 12.g3 h5 13.h4 f6 14.Nf3 Nb3 15.Rb1 Ba6 16.Bg2 Qd7 17.Nd2 Bb7 18.Nxb3 cxb3 19.Qxb3 fxe5 20.fxe5 0-0 21.0-0 Rad8 22.Rbe1 Ba6 23.Rf2 Bd3 24.Qd1 Be4 25.Qxh5 Bxg2 26.Kxg2 Qe6 27.Ref1 g6 28.Qh6 Rf7 29.h5 Rg7 30.Rxf5 Rf8 31.Rxf8+ Bxf8 32.Rf6 Qg4 33.Rxg6 Qe4+ 34.Kh2 Qc2+ 35.Kh3 Qf5+ 36.Kg2 Qc2+ 37.Kh3 Qf5+ 38.Kg2 Qc2+ 39.Kh3 Qxb2 40.Rxg7+ Bxg7 41.Qe6+ Kh7 42.Qg6+ Kh8 43.h6 Bxh6 44.Qxh6+ Kg8 45.Qg6+ Kf8 46.Bh6+ Ke7 47.Qd6+ Ke8 48.e6 Qa3 49.Qd7# 1-0

(33) Dubensky,Walt (1154) - Tobiason,Wolfgang (1380) [C30]
MI Summer TNM: U1600 San Francisco (8.35), 16.07.2019

1.e4 d5 2.f3 dxe4 3.fxe4 e5 4.Nf3 a6 5.g3 Nc6 6.d3 Bc5 7.Nc3 Be6 8.b3 Qe7 9.Bb2 0-0-0 10.Qe2 Ba3 11.Bxa3 Qxa3 12.Nb1 Qb2 13.Nfd2 Qxa1 14.c3 Qxa2 15.Bg2 Qa5 16.0-0 Qb6+ 17.Kh1 Nf6 18.Bf3 Qb5 19.Na3 Qxd3 20.Qxd3 Rxd3 21.Nab1 Bg4 22.Bg2 Rf8 23.Nc4 Rd1 24.Nbd2 Rxf1+ 25.Nxf1 Rd8 26.h3 Be2 27.Nfe3 Bxc4 28.Nxc4 Rd1+ 29.Kh2 b5 30.Ne3 Rd3 31.Nf5 g6 32.Nh4 Rxc3 33.g4 Rxb3 34.g5 Nh5 35.Nf3 Nf4 36.Kg3 Nxg2 37.Kxg2 a5 38.Kg3 a4 0-1

(34) Frank,Robert H (1372) - Chambers,Don (1291) [D07]
MI Summer TNM: U1600 San Francisco (8.36), 16.07.2019

1.d4 d5 2.Nf3 Nf6 3.e3 Nc6 4.c4 e6 5.cxd5 Nxd5 6.a3 Bd6 7.Bb5 0-0 8.Bxc6 bxc6 9.e4 Nf4 10.0-0 Ba6 11.Re1 Nd3 12.Re3 Nxc1 13.Nc3 Bf4 14.Re1 Nd3 15.g3 Nxe1 16.Qxe1 Bh6 17.b4 f5 18.e5 f4 19.Qe4 fxg3 20.hxg3 Bb7 21.Kg2 Rb8 22.Rh1 c5 0-1

(35) Reed,Nicholas Xavier (1320) - Cowgill,Jackie (1005) [C44]
MI Summer TNM: U1600 San Francisco (8.37), 16.07.2019
[de Firmian,Nick]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 d6 5.Bf4 Nf6 6.Ng5 Bg4 7.f3 [7.Bxf7+ Ke7 8.f3 h6] 7...Bh5 8.Bb5 Be7 9.Bxc6+ bxc6 10.Qxd4 0-0 11.Nh3 c5 12.Qc4 Re8 13.Nc3 a5 14.0-0-0 Rb8 15.e5 Rb4 16.Qe2 Nd7 17.a3 Rd4 18.Rxd4 cxd4 19.Nb5 dxe5 20.Bd2 c6 21.Na7 Qc7 22.Qa6 Nb8 23.Qxa5 Qxa5 24.Bxa5 f6 25.Bc7 Bc5 26.Bxb8 Rxb8 27.Nxc6 Rc8 28.Na5 d3 29.c3 Be3+ 30.Kd1 e4 31.Re1 exf3 32.Rxe3 f2+ 33.Kd2 f1Q 34.Rxd3 Qd1+ 35.Ke3 Qe2+ 36.Kd4 Rd8+ White played 37.Ke4 (!) and it "went" 37...Qxd3+ 38.Kf4 g5+ 39. Nxg5 fxg5+ 40. Kxg5 Qg4+ 0-1 0-1

(36) Serra,Owen (739) - Robertson,Wade (1042) [C00]
MI Summer TNM: U1600 San Francisco (8.38), 16.07.2019
[de Firmian,Nick]

1.e4 e6 2.e5?! d5 3.exd6 He knows the en passant rule! 3...Bxd6 4.d4 Nf6 5.Nf3 0-0 6.Bg5 Nbd7 7.Bd3 e5 8.d5 h6 9.Bh4 g5 10.Bg3 e4 11.Bxe4 Nxe4 12.c4 Nxg3 13.fxg3 Re8+ 14.Kf2 Qf6 15.Nc3 g4 16.Re1 Rxe1 17.Qxe1 gxf3 18.Qe8+ Kg7 19.gxf3 Qe7 20.Qxe7 Bxe7 21.Re1 Bb4 22.Kg2 Bxc3 23.bxc3 Nf6 24.g4 Bd7 25.Rb1 b6 26.h4 Re8 27.Kg3 Re2 28.a4 Rc2 29.Re1 Rxc3 30.h5 Bxg4 31.Re7 Bxh5 32.Kf4 Rxc4+ 33.Kf5 Nxd5 34.Re5 Rf4# 0-1

(37) Ahrens,Richard (1040) - Chui,Kevin [A01]
MI Summer TNM: U1600 San Francisco (8.39), 16.07.2019
[de Firmian,Nick]

1.b3 e5 2.Bb2 Nc6 3.e3 d5 4.Bb5 Bd7 5.Bxc6 Bxc6 6.Bxe5 Nf6 7.Bd4 Bb4 8.c3 Ba5 9.d3 0-0 10.Ne2 Qd6 11.0-0 Bd7 12.f4 Ng4 13.b4 Bb6 14.Nd2 Bxd4 15.Nxd4 Nxe3 16.Qf3 Nxf1 17.Nxf1 c5 18.Nc2 Bc6 19.Qf2 b6 20.g3 Rae8 21.d4 c4 22.a3 Re7 23.Nce3 Bd7 24.Qf3 f6 25.Nxd5 Re6 26.Nde3 Bc6 27.d5 Bxd5 28.Nxd5 Rfe8 29.Nde3 Qd3 30.Kf2 Qxc3 31.Re1 Qxa3 32.Qd5 Qd3 33.Rd1 Qxd5 34.Rxd5 c3 35.Rd3 c2 36.Rc3 Re4 37.Rxc2 f5 38.Rb2 a5 39.bxa5 bxa5 40.Rb3 a4 41.Ra3 Kf7 42.Kf3 h6 43.Nd2 R4e6 44.Ndf1 Re4 45.h4 Rd4 46.Nc2 Rde4 47.Nce3 Rd8 48.Ke2 Kf6 49.Nd2 Red4 50.Ndc4 g5 51.Rxa4 gxf4 52.Ra6+ Ke7 53.Nxf5+ Kf7 54.Nxd4 Rxd4 55.Ne5+ Kg7 56.gxf4 Rxf4 57.Nf3 Rf6 58.Ra5?! [58.Rxf6 Kxf6 Now if White moves the knight and puts the king on f3, there is no possible way to get to the h-pawn and White wins easily.] 58...Kg6 59.h5+ Kf7 60.Ne5+ Ke6 61.Ng6? This just gets in the way of Ra6+ xh6. [61.Ng4 is a lot clearer; 61.Nc4; 61.Nf3; Even 61.Nc6] 61...Rf5 62.Rxf5?! [62.Ra4 Kf6 63.Rh4; 62.Ra3 Kf6 63.Rh3; 62.Ra1 Kf6 63.Rh1] 62...Kxf5 63.Kf3 Kg5 64.Nf4 Kh4! (the only move!) and a Draw. [64...Kf5?? 65.Ne2 (65.Nh3 also wins) 65...Kg5 66.Ng3 Kf6 (66...Kh4 67.Kf4 Kh3 68.Nf5 Kg2 69.Nxh6) 67.Kf4 Kg7 68.Nf5+ Kh7 69.Ke5; 64...Kh4 65.Ke4 Kg4 66.Ke5 Kg5 67.Ke6 Kxf4 68.Kf6 Ke4 69.Kg6 Ke5 70.Kxh6 Kf6] 1/2-1/2

(38) Olson,David (1400) - Parekh,Raj [A04]
MI Summer TNM: U1600 San Francisco (8.40), 16.07.2019

1.Nf3 b5 2.Nc3 Nf6 3.g3 Bb7 4.Bg2 a6 5.0-0 e5 6.d3 Bd6 7.Bg5 0-0 8.e4 c6 9.d4 exd4 10.Nxd4 c5 11.Ndxb5 Be5 12.Nd6 Qb6 13.Nxb7 Qxb7 14.Nd5 Qxb2 15.f4 Bd4+ 16.Kh1 Nxd5 17.exd5 d6 18.Be7 Re8 19.Bxd6 Nd7 20.Qd3 Re3 21.Qf5 Nf6 22.Rfb1 Qxa1 23.Rxa1 Bxa1 24.Bxc5 Re1+ 25.Bg1 Bd4 26.h4 Bxg1 27.d6 Rd8 28.Qd3 Bc5+ 29.Kh2 Rxd6 30.Qc3 Bg1+ 31.Kh3 Re3 32.Qc8+ Re8 33.Qf5 Rde6 34.h5 Nxh5 35.Bd5 g6 0-1

(39) Daniels,Leverette - Fu,Eric (1339) [B07]
MI Summer TNM: U1600 San Francisco (8.41), 16.07.2019
[de Firmian,Nick]

1.e4 c5 2.c3 d6 3.d4 Nf6 4.Bd3 Nc6 5.Nf3 g6 6.Bf4 Bg7 7.Nbd2 Nh5 8.Be3 Rb8 9.0-0 0-0 10.Qe2 cxd4 11.cxd4 Re8 12.Rac1 a6 13.a3 Bd7 14.Rc2 e5 15.d5 Ne7 16.Rfc1 

Good opening play from young Levie, but her experienced opponent starts to take over. 16...Nf4 17.Qf1 Rc8 18.Bxf4 Rxc2 19.Rxc2 exf4 20.Nc4 Bb5 21.Ncd2 Qb6 22.Nc4 Bxc4 23.Bxc4 Rc8 24.Qd3 Bxb2 25.Qb3 Qxb3 26.Bxb3 Rxc2 27.Bxc2 Bxa3 28.Kf1 f5 29.exf5 gxf5 30.Ke2 Kg7 31.Nd4 Kf6 32.f3 Bc5 33.Kd3 Nxd5 34.Kc4 Ne3+ 35.Kd3 Nxc2 36.Nxc2 h5 37.h3 Ke5 38.Ke2 a5 39.g4 fxg3 40.Kf1 h4 41.Kg2 b5 42.f4+ Kxf4 43.Kh1 b4 44.Na1 a4 45.Kg2 b3 46.Kf1 b2 47.Ke2 b1Q 48.Kd2 Be3+ 49.Kc3 Ke5 50.Kc4 d5+ 51.Kc3 Bd4+ 52.Kd2 Ke4 53.Ke2 Qd3+ 54.Ke1 Bf2# 0-1

(40) Tabatabai,Ashkon (1136) - Geiersbach,Christopher [B21]
MI Summer TNM: U1600 San Francisco (8.42), 16.07.2019

1.e4 c5 2.d4 cxd4 3.Qxd4 Nc6 4.Qa4 a6 5.Nf3 Nf6 6.Bc4 Qa5+ 7.Qxa5 Nxa5 8.Nbd2 e6 9.b4 Bxb4 10.0-0 Nxe4 11.Nxe4 Nxc4 12.Bf4 d5 13.Neg5 Be7 14.Rfe1 h6 15.Nh3 g5 16.Ne5 gxf4 17.Nxc4 dxc4 0-1

(41) Cendejas,Jon (1068) - Hilliard,Michael (1400) [B13]
MI Summer TNM: U1600 San Francisco (8.43), 16.07.2019
[de Firmian,Nick]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Nf3 Nf6 5.c4 Bf5 6.Nc3 e6 7.c5 Be7 8.b4 0-0 9.Bf4 Nc6 10.a3 b6 11.Bb5 Qc8 12.Qa4 Nd8 13.Ne5 a6 14.Bd7 Qc7 15.Rc1 Nb7 

Lots of action in this game! 16.cxb6 Qxb6 17.Be3 Rfd8 18.Bc6 Rac8 19.0-0 Rc7 20.Ne2 Ne4 21.f3 Ned6 22.Bxb7 Rxb7 23.g4 Bg6 24.Nxg6 hxg6 25.Rc6 Qb5 26.Qxa6 Qxa6 27.Rxa6 Nc4 28.Bc1 Rdd7 29.Nc3 Ra7 30.Rxa7 Rxa7 31.Nb5 Rb7 32.Nc3 1/2-1/2

(42) Badgett,James (1119) - Otterbach,Renate (1212) [B23]
MI Summer TNM: U1600 San Francisco (8.44), 16.07.2019

1.e4 c5 2.Nc3 g6 3.f4 e6 4.Nf3 d5 5.e5 Ne7 6.Nb5 Nf5 7.g3 Bd7 8.c3 c4 9.a4 Bxb5 10.axb5 Qb6 11.Qa4 Bc5 12.g4 Nh6 13.h3 0-0 14.Rh2 Nd7 15.g5 Nf5 16.h4 d4 17.Bxc4 dxc3 18.bxc3 Bg1 19.Rg2 Bc5 20.d4 Bxd4 21.cxd4 Nxd4 22.Nxd4 Qxd4 23.Rg3 Nc5 24.Qa2 Qe4+ 25.Re3 Qh1+ 26.Kd2 Rfd8+ 27.Kc3 Rd1 28.Bb2 a5 29.b6 Na6 30.Qa3 Rad8 31.Qxa5 Qxh4 32.Rxd1 Rxd1 33.Bxa6 bxa6 34.b7 Qh1 35.Qxa6 Kg7 36.b8Q Rc1+ 37.Bxc1 Qc6+ 38.Qxc6 1-0

(43) Abdi,Mehron (1136) - Anderson,David [C50]
MI Summer TNM: U1600 San Francisco (8.46), 16.07.2019
[de Firmian,Nick]

1.e4 e5 2.Bc4 Nc6 3.Nf3 d6 4.0-0 Bg4 5.Bb5 Nge7 6.h3 Bh5 7.c4 a6 8.Ba4 b5 9.Bb3 Nd4 10.g4 Qd7 11.Nxd4 exd4 12.gxh5 Qxh3 13.d3 g6 14.h6 f6 15.Na3 g5 16.cxb5 Ng6 17.f4 Qg3+ 18.Kh1 Nh4 19.Qe2 Qh3+ 20.Kg1 d5 21.Bxd5 Bd6 22.Bc6+ Ke7 23.Bxa8 Qg3+ 24.Kh1 Rg8 25.Bd5 Rg6 26.Rg1 Qh3+ 27.Qh2 Qf3+ 28.Rg2 Rxh6 29.Kg1 Qd1+ 30.Kf2 Bb4! 31.Qh1 

31...Qf3+ [31...Be1+! 32.Qxe1 Qf3+ 33.Kg1 Qxg2#] 32.Kg1 Be1?? 33.fxg5 Rg6 34.gxf6+ Rxf6 35.Rg7+ Kd6 36.Qxf3 Rxf3 37.Bf4+ Rxf4 38.Rxe1 Nf3+ 39.Kf2 1-0

(44) Bryan,Robert (421) - Sullivan,George (979) [B30]
MI Summer TNM: U1600 San Francisco (8.47), 16.07.2019

1.e4 c5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 a6 5.Ba4 e6 6.Re1 b5 7.Nc3 bxa4 8.Nxa4 e5 9.c3 Bb7 10.Nxc5 Bxc5 11.Rf1 Nxe4 12.d3 Nf6 13.Be3 d6 14.d4 exd4 15.b4 dxe3 16.bxc5 exf2+ 17.Rxf2 dxc5 18.Qxd8+ Rxd8 19.Rff1 0-0 20.a4 Ne4 21.c4 Na5 22.Rac1 Bc6 23.Ne5 Bxa4 24.Rce1 Nd2 25.Rf2 Ndxc4 26.Nxc4 Nxc4 27.h4 Rd2 28.Rf4 Bb5 29.h5 h6 30.g4 Nd6 31.g5 Bc6 32.gxh6 Rg2+ 33.Kh1 Rg4+ 34.Kh2 Rxf4 35.h7+ Kxh7 36.h6 Rh4+ 37.Kg1 Rh1+ 38.Kf2 Rxe1 39.Kxe1 Kxh6 40.Kd2 Ne4+ 41.Kc2 Rd8 42.Kb3 Rd4 43.Ka3 Rb4 44.Ka2 Bd5+ 45.Ka3 Rb5 46.Ka4 Nc3+ 47.Ka3 Rb3# 0-1

(45) Ballantyne,Andrew - Wilson,Jijo [B00]
MI Summer TNM: U1600 San Francisco (8.48), 16.07.2019

1.e4 b6 2.Bc4 Bb7 3.Qf3 Nf6 4.Qf5 e6 5.Qf4 Bxe4 6.f3 Bd6 7.Qg5 Bg6 8.Bd3 Bxd3 9.cxd3 0-0 10.Nh3 Nd5 11.Qg4 c5 12.Ng5 f5 13.Qh5 h6 14.h4 Nf4 0-1

(46) Quartermane,Dennis - Gulbis,Andrew [C68]
MI Summer TNM: U1600 San Francisco (8.49), 16.07.2019

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 bxc6 5.Nxe5 Be7 6.d4 Nf6 7.Qf3 d5 8.Nc3 Be6 9.Nxc6 Qd7 10.Nxe7 Qxe7 11.e5 Nd7 12.Nxd5 Bxd5 13.Qxd5 0-0 14.0-0 Rad8 15.f4 Nb6 16.Qb7 Nd5 17.Be3 Nxe3 18.Rf2 Ng4 19.Qe4 Nxf2 20.Kxf2 c5 21.Rd1 cxd4 22.f5 Qc5 23.Ke2 d3+ 24.cxd3 Qc2+ 25.Rd2 Qc7 26.d4 Qc4+ 27.Rd3 Qxa2 28.Rd2 Qc4+ 29.Kf3 Qf1+ 30.Kg3 Qb5 31.Qh4 Qb3+ 32.Kf4 h6 33.f6 g5+ 0-1

(47) Gupta,Meghal - Chambers,Noah Jam [B53]
MI Summer TNM: Extra Rated San Francisco (8.50), 16.07.2019

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Qd5 Nf6 6.Qc4 Be6 7.Qe2 Bg4 8.Nc3 Nd4 9.Qd1 e5 10.Be2 Rc8 11.Nxd4 Bxe2 12.Ndxe2 Qa5 13.Bg5 Nxe4 14.h4 d5 15.Qxd5 Rc5 16.Qxe4 g6 17.Qxb7 h6 18.Qb8+ Kd7 19.Rd1+ Kc6 20.Qc8+ Kb6 21.Bd8+ Rc7 22.Qxc7+ Ka6 23.Qxa5+ Kb7 24.Rd7+ Kc8 25.Qc7# 1-0

(48) Ivanov,Aleksandr (2176) - Shaw,Tenzing (2287) [A90]
MI Summer TNM: Extra Rated San Francisco (8.4), 16.07.2019

1.d4 e6 2.c4 f5 3.g3 Nf6 4.Bg2 c6 5.Nf3 d5 6.b3 Bd6 7.0-0 Qe7 8.Bb2 b6 9.Nbd2 Bb7 10.Ne5 0-0 11.Ndf3 a5 12.Rc1 Na6 13.Qc2 Ne4 14.Rfd1 c5 15.e3 Rfc8 16.Qe2 a4 17.Nd3 cxd4 18.Nxd4 dxc4 19.bxc4 Nb4 20.Nxb4 Bxb4 21.Nb5 Rd8 22.Be5 Rac8 23.Bd4 Bc5 24.Qb2 Bc6 25.h3 Qb7 26.h4 Rd7 27.Bxc5 bxc5 28.Qe5 Rxd1+ 29.Rxd1 Qe7 30.Na7 Rc7 31.Nxc6 Rxc6 32.Bxe4 fxe4 33.Qb8+ Kf7 34.Qf4+ Kg8 35.Qxe4 Rc8 36.Rb1 Qf6 37.Rb6 Re8 38.Kg2 a3 39.Rb3 Rf8 40.f4 Kh8 41.Kf3 e5 42.Rxa3 exf4 43.exf4 Qa1 44.Re3 Qxa2 45.Qe7 Qa8+ 46.Kf2 Rc8 47.Qd7 Rd8 48.Qe6 h6 49.Re2 Qh1 50.Qe7 Qh2+ 51.Kf3 Rd3+ 52.Re3 Qh1+ 53.Kg4 Qd1+ 54.Kf5 Qh5+ 55.Ke4 Rd4# 0-1

 

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