Friday, February 24, 2017

Blackmar Diemer Trap Normand

Nicolas Normand played the Blackmar-Diemer Gambit Vienna Variation. His game illustrates a point of theory that I have tended to overlook. This game gives me a good opportunity to examine it. Normand wrote to me. I quote a portion of his comments:

“Mr Sawyer, I am a 40-year-old French chess player. I have been playing chess since I am 15 but in chess tournament for only 3 years. I am a Blackmar-Diemer Gambit player as white especially Ryder gambit. I was wondering if you could give some piece of advice to find the best resources of information to fasten my studying. Of course, I tend to be a fan of Emil J. Diemer, Bill Wall's and Tom Purser's works and games. Maybe we could share some games. I thank you in advance. Nicolas
“PS: I have already most of your books that I enjoy a lot! I am very flattered that one of my games can be usable or even interesting. I have been following your different BDG chess works for a few years and you are a true reference for me (as German language is a bit harder for me, so sorry Emil !).”

Nicolas Normand as "DEATHSTAR81" wins a piece when Black falls into his trap.

My Blackmar-Diemer Tactics with 500 combinations and mates.

DEATHSTAR81 - yaqootwahba, Live Chess Chess.com (6), 25.12.2016 begins 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 Bf5 5.g4 Bg6 6.g5 Nh5!? [This is the second most popular response. Black should play 6...Nd5 7.Nxe4=] 7.fxe4 [I used to play 7.f4 e5!=; Komodo also likes 7.Be3=] 7...f6? [Black blunders a piece. Correct is 7...e5 8.Nf3 exd4 9.Qxd4 Qxd4 10.Nxd4 Bc5 11.Nf5 Nc6 12.Bd2 0-0-0 13.0-0-0=]
8.Be2! [The immediate 8.Be2 seems stronger than the alternative 8.Bb5+ c6 (or 8...Nc6 9.d5+-) 9.Be2+-] 8...e6 [At this point Black spent over a minute thinking. There is no effective way to wiggle out of trouble. 8...e5 9.Bxh5 Qxd4 10.Bxg6+ hxg6 11.Qxd4 exd4 12.Nd5 Na6 13.gxf6 c6 14.fxg7 Bxg7 15.Nf4+-] 9.Bxh5 fxg5 10.Bxg6+ hxg6 11.Qg4 Qe7 12.Bxg5 Qd7 13.0-0-0 Be7 14.Bxe7 Qxe7 15.Qxg6+ Kd7 [Going into an endgame still leaves Black down a piece after 15...Qf7 16.Qxf7+ Kxf7 17.Nf3+-] 16.Nf3 Nc6 17.d5! [White opens lines of attack toward the Black king.] 17...Ne5 18.dxe6+ Kc8 19.Nxe5 Rh6 [The two extra knights make power checkmate threats. If 19...Qf6 20.e7 Qxe7 21.Qg4+ Kb8 22.Nd7+ Kc8 23.Nb5+-] 20.Nd5 Qd6 21.Qe8+ Qd8 22.Ne7+ Kb8 23.Nd7# 1-0



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Monday, February 20, 2017

Grob Attack Delayed Spike 1.g4

Jocelyn Bond of Canada wins a Grob Attack. 1.g4! is one of those Rare First Moves. About 20 years ago I played the 1.g4 Grob and 1...g5 Borg (Grob backward) many times. My most memorable experiences were the four games that I played against the infamous Claude Bloodgood. He was finishing out his life sentence in prison.

Here Jocelyn Bond played the White pieces. The game has a little Spike Attack (g4-g5) flavor. Usually, the Spike is 3.g5 in response to the threat of ...Bxg4. Black's solid move 1...e6 makes no attempt to attack or punish the g4 pawn. Jocelyn Bond wrote:

“Hi Tim, I just played a nice Grob opening game as white. Can you publish this? It’s blitz but I enjoyed so much to have played this game! Thanks a lot and come and play black against my Grob.”

grob_tueuse (1897) - nesalimar (1886), ChessCube Game www.chesscube.com, 13.02.2017 begins 1.g4 e6 2.Bg2 c5 3.c4 Qc7 [3...d5 4.Nc3!? d4 5.Ne4=] 4.d3 Nc6 5.Nf3 b6 6.Nc3 a6 7.g5 [7.Qd2!? h6 8.h4 Bb7 9.Kf1=] 7...Bb7 8.a3 Be7 [8...Ne5!=/+] 9.h4 g6 10.e4 [10.h5!+/-] 10...d6 [10...h6=] 11.Ne2 b5 12.cxb5 axb5 13.Be3 e5 [13...h6=] 14.Nc3 b4 15.Nd5 Qd8 16.axb4 Nxb4 17.Rxa8 Bxa8 18.Nxb4 cxb4 [Or 18...Qa5 19.Bd2 cxb4 20.Qb3+-] 19.Qa4+ Kf8 20.h5 Qb8 [20...gxh5 21.Rxh5+-] 21.hxg6 fxg6 22.Qd7 [22.Nd4 exd4 23.Bxd4 Bxg5 24.Bxh8+-] 22...Qd8 [22...Bb7 23.Bh3+-] 23.Qe6 Kg7 24.0-0 h5 [24...Bc6 25.Nxe5! dxe5 26.Qxe5+!+-] 25.Rc1 Bb7 26.Nh4 Qe8 27.Rc7 Ba6 28.Bh3 [28.Qxd6!+-] 28...Bxd3 29.f3 [Or 29.Qxd6!+-] 29...Qf7 30.Qd7 b3 31.Be6 Qf8 32.Rc8 Nf6 33.Rxf8 Nxd7
34.Rxh8 [Faster is 34.Rf7+ Kg8 35.Rxe7+ Kf8 36.Nxg6#] 34...Kxh8 35.Nxg6+ Kg7 36.Nxe7 Nf8 37.Bxb3 Nh7 38.Nf5+ Kf8 39.g6 Nf6 40.g7+ Ke8 41.Bg5 Ng8 42.Bxg8 Bxe4 43.fxe4 d5 44.Bxd5 h4 45.g8Q+ Kd7 46.Qe6+ Kc7 47.Qc6+ Kb8 48.Qb7# 1-0



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Tuesday, February 7, 2017

Blindfold King Wins GW Gambit

Timur Gareyev won a Gibbins-Weidenhagen Gambit while he was setting the record at the Blindfold King. This gambit begins 1.d4 Nf6 2.g4!? White's plan is to gain time at the cost of the g-pawn. Black is usually surprised and totally on his own at this point. The natural continuation is to accept the gambit followed by moving the d-pawn to protect his knight. Humphry Bogart played a famous game in this opening. Diemer, Bronstein, Gibbins, Krabbe and a host of Blackmar-Diemer Gambit players have ventured this gambit against Black's 1...Nf6 invitation to play the Indian Defences. I've played it a few times myself in blitz games just for something different. In this game, Gareyev faced James Stuart. Black played pretty well for the first dozen moves. Then the grandmaster's skill took over.

Gareyev (2618) - Stuart, Gareyev Blindfold Simul Las Vegas USA, 03.12.2016 begins 1.d4 Nf6 2.g4 Nxg4 3.e4 d6 [3...d5 4.Be2 Nf6 5.e5 Nfd7 6.Nf3 Nb6=/+] 4.f3 Nf6 5.Be3 e5 6.Nc3 c6 [6...Nc6=/+] 7.Qd2 Nbd7 8.0-0-0 Qc7 9.f4 Ng4 10.Bh3 [10.Nf3!?] 10...Nxe3 [10...Nb6=/+] 11.Qxe3 Be7 12.Nf3 h6 [12...exf4 13.Qxf4 g6=] 13.Rhg1 Rg8 [13...exf4 14.Qxf4 g5=] 14.dxe5 [14.fxe5 dxe5 15.Kb1+/-] 14...dxe5 15.Bxd7+ Bxd7 16.Nxe5 Rd8 [16...Be6! 17.Nf3+/=] 17.Qxa7 g5 18.Nxd7 Qxf4+ 19.Kb1 Rxd7 20.Rxd7 Kxd7 21.Qxb7+ Qc7 22.Rd1+ Bd6 23.Qb3 Ke7 24.Rf1 Rg7 [24...Kf8 25.Qe6+/-] 25.h3 Kf8 26.a4 Qc8 27.Ne2 Qa6 28.Qf3 Be7 29.Nd4 Qc8
30.Nf5 Rh7 31.Nxh6 Qe8 32.Ng4 Qd7 33.e5 Qc8 34.a5 Qa6 35.Qf5 Kg8 36.Nh6+ Kh8 37.Nxf7+ 1-0



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