Friday, June 17, 2011

Playing the Blackmar-Diemer Gambit

My first blog post. Wow! I plan to share the journey of playing the Blackmar-Diemer Gambit chess opening for the past 25 years. I begin with a blitz game that I just finished. My game began 1.d4 (The normal path to the BDG.) 1...d5 2.e4 c6 (Black tries to avoid the Blackmar-Diemer Gambit with the Caro-Kann Defence. The main line BDG continues 2...dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3. Here 5...c6 would transpose to the game.) 3.Nc3 (Other popular choices vs the Caro-Kann Defence are 3.e5 and 3.cxd5) 3...dxe4 (3...g6 is a Modern Defence.) 4.f3!? (I like to head back toward the BDG. 4.Nxe4= is the normal Caro-Kann.) 4...exf3 5.Nxf3 Nf6 (BDG Ziegler Variation).

6.Bc4 (Played about 80% of the time. 6.Bd3 is the alternative.) 6...e6?! (Black protects the diagonal from the Bc4 to the vulnerable f7 square. Usually, when Black plays this, he is thinking very passively trying to hide in a shell like a turtle. More natural is to develop first 6...Bf5 and then 7...e6.) The game takes on the character of a BDG Euwe. 7.0-0 Be7 8.Bg5 0-0 9.Qe1 (This queen is eyeing the e-file and h4, depending on what Black does.) 9...b5 10.Bd3 (Black has forced White to play the bishop to a better diagonal aiming directly at h7.) 10...b4 11.Ne4 Bb7 12.Qh4 (White's army is bearing down on the Black king.) 12...h6 13.Bxh6! (A thematic sacrifice that rips open the Black kingside. I've played this capture 100 times. Black is in a heap of trouble.)

Sawyer-OZDENOZ, ICC 3 0 Internet Chess Club, 17.06.2011 begins 1.d4 d5 2.e4 c6 [Caro-Kann Defence 2...dxe4 3.Nc3 Nf6 4.f3 BDG 4...exf3 5.Nxf3 c6 transposing.] 3.Nc3 dxe4 4.f3!? [4.Nxe4=] 4...exf3 5.Nxf3 Nf6 6.Bc4 e6?! 7.0-0 Be7 8.Bg5 0-0 9.Qe1 b5 10.Bd3 b4 11.Ne4 Bb7 12.Qh4 h6 [12...Nbd7? White wins as follows: 13.Nxf6+ Nxf6 (13...Bxf6? falls for 14.Qxh7#) 14.Bxf6 g6 15.Bxe7 Qd5 16.Bxf8 White is up a knight.]
13.Bxh6! gxh6 14.Qxh6 [More accurate is 14.Nxf6+! Bxf6 15.Qxh6 Bxd4+ 16.Kh1 f5 17.Ng5+-] 14...Nxe4 15.Bxe4 f5 16.Qxe6+ Kh8 [16...Kg7 17.Bxf5 Bf6 18.Qe4 Rf7 19.Ne5+- still leaves White with a big advantage.] 17.Qh6+ Kg8 18.Qg6+ Kh8 19.Bxf5 Rxf5 20.Qxf5 Qf8 21.Qh5+ 1-0

London 2.Bf4 Playbook: How to begin. London 2.Bf4 Tactics: How to win quickly.


Sets: Chess Games 1.e4 Series and Chess Games 1.d4 Series
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