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 reached a BDG.) 1...d5 2.e4 c6 (Black tries to avoid the Blackmar-Diemer Gambit with the Caro-Kann Defence. The main line of the 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 variation of the Modern Defence.) 4.f3!? (I like to head back toward the BDG. 4.Nxe4= is the normal Caro-Kann.) 4...exf3 5.Nxf3 Nf6 (Now we have the BDG Accepted, Ziegler Variation).

6.Bc4 (Played about 80% of the time. 6.Bd3 is the most common alternative.) 6...e6?! (This is not a major blunder. 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 (.) 7...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 have probably 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

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