Sunday, June 30, 2013

King's Indian Saemisch 1.d4 Nf6 2.f3

After my win in yesterday's post, Roquentin naturally wanted another crack at me. So we turned the board around and played again. I took a shot at a Blackmar-Diemer Gambit with the Paleface Attack 1.d4 Nf6 2.f3!?, but Black played 2.c5 (2...d5 3.e4 dxe4 4.Nc3 is a BDG). The position transposed from a Benoni into a King's Indian Saemisch variation. [Speaking of Benoni, here's a trivia question: What actress is from Benoni, South Africa?]

This King's Indian Defence game differs from the normal 5.f3 line in that I played my dark squared bishop to Bg5 instead of the common Saemisch Be3. The reason is that once the moves ...c7-c5 and d4-d5 have been played, there is no pawn on d4 for White to defend. This line is solid with the pawn on f3 protecting e4. However it takes White longer to unfold his kingside pieces. The f3 move contributes to safety but not activity. You need both. The note beginning with 8.Qd2 below is a good suggested plan.

Chances are basically equal as far as long term results are concerned. Those who play the line frequently will benefit from experience and score better than half. If you do not like this as White, alternatives for BDG players are 5.Nc3 Benoni Schmid or 2.Nc3 which could lead to 2...d5 3.d4 Nxe4 (Huebsch) or 3...dxe4 4.f3 (BDG).
[Answer to the Benoni trivia question above: Charlize Theron]

Sawyer (2013) - Roquentin (2150), ICC 3 0 u Internet Chess Club, 31.05.2013 begins 1.d4 Nf6 2.f3!? c5 3.d5 d6 4.e4 g6 5.c4 Bg7 6.Nc3 0-0 7.Bg5 e6 8.Bd3!? [8.Qd2 exd5 9.cxd5 a6 10.a4 Re8 11.Nge2 Nbd7 12.Ng3 Qa5 13.Be2 with some typical Benoni strategies for each side.] 8...h6 9.Be3 exd5 10.cxd5 Re8 11.Qd2 Kh7 12.Nge2 a6 13.a4 Nbd7 14.0-0 Ne5 15.b3 Rb8 16.Rac1 Bd7 17.Rfd1 b5 18.axb5 axb5 19.Ra1? [19.Bf4 Qe7 20.Bxe5 Qxe5=/+] 19...c4 [Black is winning after 19...b4! 20.Na4 Nxd3 21.Qxd3 Bb5 22.Qd2 Nxd5-+ and White will lose big material.] 20.bxc4 bxc4 [20...b4 21.Nb5 Nxd5 22.exd5+/=] 21.Bc2 Rb2 22.Rab1 Rxc2 [22...Rxb1 23.Rxb1+/=] 23.Qxc2 Nd3 24.Nc1 Nc5 25.Bxc5 dxc5 26.Nb5 [26.N3e2 Nh5 27.Qxc4+-] 26...Nh5 27.Qxc4 [27.Nd6 Rf8 28.Nxc4+-] 27...Nf4 [27...Qh4! 28.d6+/-] 28.Ne2 [Or 28.Nd6! Re7 29.Nb7 Qb8 30.Qxc5+-] 28...Nxe2+ 29.Qxe2 Bxb5 30.Qxb5 Bd4+ 31.Kh1 Re5 32.Qb8 Qh4 33.Rxd4 Rh5 34.Rdd1 c4 35.Rbc1 Black resigns 1-0

You may also like: King Pawn (1.e4 e5) and Sicilian (1.e4 c5)
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Saturday, June 22, 2013

BDG Jorge Quinones - Andreas Husemann

The most popular BDG Declined variation is the Vienna which begins 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 Bf5. Diemer often played 5.fxe4 (5.g4 is also good.) 5...Nxe4 when we come to the main line Blackmar-Diemer Gambit Vienna 6.Qf3 Nd6 7.Bf4 variation.

In the game between Jorge Victor Quinones Borda and Andreas Husemann, both sides castled queenside. White was pushing for activity on the kingside when all of a sudden he saw an opportunity with 21. Bxa6!, followed by a successful attack on the Black king.

Quinones (1905) - Husemann (1869), SB-2012-0-00268 Lechenicher SchachServer, 24.11.2012 begins 1.d4 Nf6 2.Nc3 d5 3.e4 dxe4 4.f3 Bf5 5.fxe4 Nxe4 6.Qf3 Nd6 7.Bf4 e6 8.0-0-0 Nd7 [The main line is 8...c6 9.g4 Bg6 10.Qe3 Be7 11.Nf3 Nd7 when White has chosen either 12.d5, 12.Ne5 or 12.h4] 9.g4 Bg6 10.Qe3 Nf6 11.d5 [11.h3!?] 11...Nxg4 12.Qg3 e5 13.Bd2 Qc8 14.Nf3 Be7 15.Rg1 e4 16.Nd4 Nf6 17.Be2 Qd7 18.h4 [18.Kb1!?] 18...0-0-0 [18...Nh5-/+] 19.Qf2 Kb8 20.Bf4 a6? [20...h5-/+] 21.Bxa6! Ng4 22.Qe2 Bf6 23.Bxb7 Kxb7 24.Nb3 Qc8 [24...Kb8 25.Nc5+/-] 25.Rxg4 Bxc3? [25...Bh5 26.Bxd6 Rxd6 27.Qb5+ Ka8 28.Rxe4+/-] 26.Nc5+ Ka8 27.bxc3 Bh5 28.Rd4 Bxg4 29.Ra4+ Kb8 30.Rb4+ Ka8 31.Qe3 Bd7 32.c4 1-0

You may also like: King Pawn (1.e4 e5) and Queen Pawn (1.d4 d5)
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Sunday, June 16, 2013

Luis Ledesma French Defence Sawyer

Back in 1989-1991 I tried to play the Blackmar-Diemer Gambit at every opportunity with the White pieces, if Black avoided it with a move like 1.d4 Nf6, then I went with either 2.Nc3 or 2.f3. That way I could still transpose back to the BDG if Black played 2...d5. When Black did not co-operate, I tried to create something original.

I invented the French Defence Sawyer Variation that combines 2.f3 with 4.Bg5 while holding back Nc3 for at least a move or two. Luis Ledesma delayed ...Be7 a move, but castled 6...0-0 quickly. Against Luis, I just developed toward the center and kingside. After Black allowed a pawn fork, I turned down the win of a piece to play for checkmate.

For the next several months I will be posting games from my 10 sections of the 1989 USCF Golden Knights Postal Chess Tournament. I have done about half of them so far this year. As I recall, if I failed to score 4.5 out of 6 games in a section of the preliminary round, then I was dumped from the Golden Knights to the Golden Squires (SS) event for the Semi-Final round. The next month or two will include games from those events.

Sawyer (2032) - Ledesma (1694), corr USCF 89SS40, 11.02.1991 begins 1.d4 Nf6 2.f3 e6 3.e4 d5 4.Bg5 dxe4 [4...Be7 is the most common reply.] 5.fxe4 Be7 6.Nc3 0-0 7.Nf3 b6 [Houdini 3 and Fritz 13 think Black should play 7...h6 8.Bxf6 Bxf6 9.e5= when White's Nf3 is at the moment looks better than Black's Bc8.] 8.Qd2 Bb7 9.Qf4 [Wandering closer to the Black king just to see what might happen...] 9...Bd6? [A tactical error. Logical is 9...Nbd7 10.0-0-0=] 10.e5 Bb4 11.Bxf6 gxf6 12.exf6 Kh8 13.Qh6 1-0

You may also like: King Pawn (1.e4 e5) and Queen Pawn (1.d4 d5)
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Tuesday, June 11, 2013

Play Poison Ivy Ponziani Properly

Chess Opening Essentials (from Italy) has a great introduction to the Ponziani Opening:
"Domenico Lorenzo Ponziani, from the Italian town of Modena, analysed various important lines in the 18th century. He was also a member of the Pope's inner circle. The c2-c3 push is logical in that it supports d2-d4. But it has two drawbacks: it leaves the e4-pawn undefended and it prevents the development of the queen's knight to c3. Black's two best responses are 3...Nf6 and 3...d5, both of which highlight these drawbacks."

In my own games I have played both 3...Nf6 and 3...d5 pretty much interchangeably. This blitz game vs "Ivy" will serve and an introductory game to this opening. Since Black can basically equalize after 1.e4 e5 anyway, it is not a bad thing to play a rarer line that might lead to equality in positions you know better than your opponent. However, if you really do not know the opening well, then the Ponziani just gives Black an easy to play game.

Ivy (1643) - Sawyer (2013), ICC 3 0 u Internet Chess Club, 31.05.2013 begins 1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Qc2?! [4.Qa4] 4...dxe4 5.Qxe4 Nf6 6.Qh4 Be7 7.Qa4 0-0 8.d3 Re8 [8...Bf5-/+] 9.Bg5 h6 10.Bxf6 Bxf6 11.Nbd2 Bf5 12.Ne4 Be7 13.Rd1 a6 14.Be2 Qd7 15.0-0? [This drops a piece. Better is 15.Qc2 Rad8=/+] 15...Nd4 16.Qxd7 Nxe2+ 17.Kh1 Bxd7 18.Rfe1 Nf4 19.Nxe5 Bf5 20.g3 Nh3 21.Kg2 Ng5 22.f4 Nxe4 23.dxe4 Be6 24.a3 f6 25.Nf3 Rad8 26.Nd4 Bg4 27.Rc1 c5 28.Nb3 b6 29.h3 Be6 30.Na1 Rd2+ White resigns 0-1

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