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.

DEATHSTAR81 - yaqootwahba, Live Chess (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

Sets: Chess Games 1.e4 Series and Chess Games 1.d4 Series
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Wednesday, February 22, 2017

Sicilian Grand Prix Attack 5.Bc4

Sicilian Defence Grand Prix Attack 5.Bc4 pressures Wesley So to defend. Watch how Grandmaster So turned the tables and won quickly. How do great players make good players look bad? They keep them busy with little issues so that they miss big issues.

The big issue: White did not move his dark squared bishop at all for the entire game. He could not move it because he never moved his pawn on d2. In effect White gave odds of a rook and minor piece to one of the strongest players in the world. That didn’t work well.

In the Sicilian Defence after 1.e4 c5, White normally plays for d4 on moves 3 or 4 after either 2.Nf3 or 2.c3. The Grand Prix Attack 2.Nc3 and 3.f4 takes control of d5 and aims at f5. White pressures Black to defend against a strong attack. Remy Degraeve did well enough that if he taken the bishop 23.cxd4 on his next move, he would be ahead a rook and minor piece. That's hard to do! Then he would get checkmated. That's easy to do.

My Chess Training Repertoire this week covers Sicilian Defence Grand Prix Attack. My email goes to those subscribed to my list at 11:45 AM Eastern time Thursday.

Degraeve, Remy (2019) - So, W (2808), PRO League Group Stage INT (5), 11.02.2017 begins 1.e4 c5 2.Nc3 Nc6 3.f4 g6 4.Nf3 Bg7 5.Bc4 e6 [5...d6 6.0-0=] 6.f5 [6.e5] 6...gxf5 [6...Nge7 7.fxe6 fxe6 8.d3=] 7.exf5 d5 8.Bb5 [8.Bb3!?] 8...e5 9.0-0 Nge7 10.Nh4 [10.Bxc6+ bxc6=/+] 10...Bf6 11.Qh5 a6 12.Bxc6+ Nxc6 13.Nf3 e4 14.Ne1 Rg8 [14...b5=/+] 15.Ne2 [White has to play 15.d3!=] 15...Rg5 16.Qxh7 Nd4!? [It looks like Black had a better choice with 16...Ne7! 17.d3 Bxf5 18.Rxf5 Rxf5-/+] 17.Nxd4 [White might have a better chance after 17.Ng3! Ke7 18.d3 Rxg3 19.hxg3 Ne2+ 20.Kf2 Nxc1 21.Rxc1 Bd7=/+] 17...Bxd4+ 18.Kh1 Qf6 19.c3 [19.d3 Rxf5 20.Rxf5 Qxf5 21.Qxf5 Bxf5-/+] 19...Rxf5 20.Rxf5 [20.Qxf5 Bxf5 21.cxd4 cxd4 22.g4 Qh4 23.gxf5 0-0-0-+] 20...Bxf5 21.Qg8+ [21.cxd4 Bxh7-+] 21...Ke7 22.Qxa8 Bd7 [Black can force checkmate in a few moves: 22...Bd7 23.Nf3 exf3 24.cxd4 f2 25.Qe8+ Bxe8 26.h3 f1Q+ 27.Kh2 Q6f4+ 28.g3 Q4f2#] 0-1

You may also like: King Pawn (1.e4 e5) and Queen Pawn (1.d4 d5)
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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 backwards) 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, 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

Sets: Chess Games 1.e4 Series and Chess Games 1.d4 Series
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Wednesday, February 15, 2017

Ruy Lopez Riga Tricky Line

The King Pawn Open Ruy Lopez Riga line is tricky for club players. White sacrifices his e4 and d4 pawns for an attack. White threatens to win a piece while Black has a counter attack. In a prior game against the Riga from 1979, my opponent played 8…Bd7. I got his knight and won that game in 45 moves. This line gets its name from a correspondence match between the city of Berlin in Germany and the city of Riga in Latvia. Black won an ending where White had an extra knight, while Black had three extra kingside pawns.

In the 1980s I played in several an ICCF Master Class events. They allowed players to become a master or to compete in the World Championship cycle. That cycle used to take about 10 years of continuous winning. A grandmaster would win in the end, but we all had hopes and dreams. One of my opponents was Albert Maier from Austria. In 1994 Maier reached his peak ICCF rating of 2152. Our 1984 ICCF game was an Open Ruy Lopez Riga Variation. Because it was postal chess, we had access to chess books.

Albert Maier as Black followed the original Berlin vs Riga game for 17 moves. That game continued 18.g5 Rag8 19.Bd4 h6 20.Bf6+ Kf7 21.Bxh8 Rxh8 21.Rd1 hxg5+ 22.Kg2 Kf6. Instead, I varied with 18.Kg3. I got a good position and won in 25 moves.

Sawyer - Maier, corr ICCF 1984 begins 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 exd4!? [The main line is 6...b5 7.Bb3 d5 8.dxe5 Be6=] 7.Re1 d5 8.Nxd4 Bd6 9.Nxc6 Bxh2+ 10.Kh1 Qh4 11.Rxe4+ dxe4 12.Qd8+ Qxd8 13.Nxd8+ Kxd8 14.Kxh2 Be6 15.Be3 f5 16.Nc3 [16.c3+/= Houdini; 16.Nd2+/= Komodo] 16...Ke7 17.g4 g6 18.Kg3 b5 19.Bb3 h5 20.Nd5+ Bxd5 21.Bxd5 h4+ [21...c6 22.Bc5+ Kd7 23.Bf7+/-] 22.Kh3 Rae8 23.Rd1 fxg4+ 24.Kxg4 h3 [24...Rh5 25.Bxe4+-] 25.Bc5+ 1-0

You may also like: Caro-Kann (1.e4 c6) and Queen Pawn (1.d4 d5)
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