Thursday, September 29, 2016

French Defence Tarrasch blik

Do computer chess engines fear the Blackmar-Diemer Gambit? Can’t Black take the pawn and win easily? Only sometimes. Here in my game vs “blik” Black refused to take the gambit pawn. I did a quick count vs this opponent from 2008 - 2013. As White in the BDG I won 98 games and lost 101 games with 34 draws.

Fear is not part of the computer algorithm for opening selection. Such choices are based on its approved book lines, its winning percentage with specific moves and some “random” selection.

Instead of entering the BDG this computer transposed into a French Defence after 1.d4 d5 2.e4 e6. I chose 3.Nd2. The Tarrasch Variation leads to solid and equal positions. This game continued 7.0-0 cxd4 instead of 7.dxc5 Bxc5 8.0-0.

After multiple exchanges we reached a bishop and pawn ending where neither king had any entry points to his opponent’s pawns. After 34.g5 we drew this game on move 84 by the 50 move rule.

Sawyer (1984) - blik (2422), ICC 5 0 Internet Chess Club, 20.06.2008 begins 1.d4 d5 2.e4 e6 3.Nd2 c5 4.Ngf3 Nc6 5.exd5 exd5 6.Bb5 Bd6 7.0-0 [7.dxc5 Bxc5 8.0-0 Nge7 9.Nb3 Bd6=] 7...cxd4 8.Nb3 Nge7 9.Nbxd4 0-0 10.c3 Bg4 [10...Re8 11.Re1=] 11.h3 Nxd4 12.cxd4 Bxf3 13.Qxf3 Qb6 14.Qd3 Nc6 15.Bxc6 bxc6 16.b3 Qb5 17.Qxb5 cxb5 18.Bd2 Rfe8 19.Rfe1 Rxe1+ 20.Rxe1 Rc8 21.Rc1 Rxc1+ 22.Bxc1 f6 23.f3 Kf7 24.g4 g6 25.Kf2 h5 26.Be3 Ke8 27.Ke2 a6 28.Kd3 a5 29.a4 hxg4 30.hxg4 bxa4 31.bxa4 Kd8 32.Bd2 Bc7 33.f4 f5 34.g5 [34.gxf5 gxf5=] 34...Ke7 35.Be3 Kf7 36.Bd2 Kf8 37.Be3 Ke7 38.Bd2 Ke6 39.Be3 Kd6 40.Bd2 Ke6 41.Be3 Ke7 42.Bd2 Bb6 43.Ke3 Ke6 44.Kd3 Bd8 45.Be1 Ke7 46.Bd2 Bb6 47.Ke3 Bd8 48.Kd3 Kd7 49.Ke3 Kc8 50.Kd3 Bb6 51.Ke3 Kc7 52.Kd3 Kc6 53.Ke3 Kb7 54.Kd3 Kc7 55.Ke3 Kd8 56.Kd3 Kd7 57.Ke3 Kd8 58.Kd3 Kc8 59.Ke3 Kd7 60.Kd3 Ke8 61.Ke3 Ke7 62.Kd3 Bc7 63.Ke3 Bb6 64.Kd3 Kd8 65.Ke3 Kc8 66.Kd3 Kd7 67.Ke3 Bc7 68.Kd3 Bd6 69.Kc2 Ke8 70.Kd3 Bc7 71.Ke3 Kd7 72.Kd3 Ke8 73.Ke3 Bd8 74.Kd3 Bb6 75.Ke3 Kf8 76.Kd3 Kg8 77.Ke3 Kf7 78.Kd3 Kg8 79.Ke3 Kf8 80.Kd3 Kf7 81.Ke3 Kg8 82.Kd3 Kf8 83.Ke3 Kg8 84.Kd3 1/2-1/2

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