Author: John Merlino
Date: 11:56:22 04/13/04
Go up one level in this thread
On April 13, 2004 at 14:38:30, Sam Lloyd wrote: >Fischer played the famous 29. Bg2 annotated with two exclamation marks, but >further inspection shows 29. Bg4!! forces mate! After 29. Bg2!? Black failed to >play 29...Qf8 and was quickly mated, albeit Black was lost, he could have >prolonged the game. > > >[D]2r1q1k1/r4p1p/b3pBp1/n3P1QP/p2p3R/P2p2PB/2P2P2/R5K1 w - - 0 29 > > >1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.g3 c5 5.Bg2 Nc6 6.Ngf3 Be7 7.0–0 0–0 8.e5 Nd7 9.Re1 >b5 10.Nf1 b4 11.h4 a5 12.Bf4 a4 13.a3 bxa3 14.bxa3 Na5 15.Ne3 Ba6 16.Bh3 d4 >17.Nf1 Nb6 18.Ng5 Nd5 19.Bd2 Bxg5 20.Bxg5 Qd7 21.Qh5 Rfc8 22.Nd2 Nc3 23.Bf6 Qe8 >24.Ne4 g6 25.Qg5 Nxe4 26.Rxe4 c4 27.h5 cxd3 28.Rh4 Ra7 (The game continued >29.Bg2!? dxc2?? 30.Qh6 Qf8 31.Qxh7+!! 1-0 > >Test your engines, how many programs find 29. Bg4!!...? 29. Bg4!! is vital as it >targets the e6 pawn, Fischer failed to see this. 29. Bg2!? was played in order >to deliver mate with the B going to e4. > > >Lloyd Chessmaster 9000, SKR personality on an AMD 2500+, announces Mate in 14 with Bg4 after 40 seconds. It then announces Mate in 12 in just over one minute: Time Depth Score Positions Moves 0:00 1/3 0.50 1502 29.Qh6 Qf8 30.hxg6 Qxh6 31.Rxh6 0:00 1/3 0.60 3816 29.cxd3 Bxd3 30.Rxd4 Rd7 31.hxg6 fxg6 32.Rxa4 0:00 1/4 0.48 6006 29.cxd3 Bxd3 30.Rxd4 Nb3 31.Qh6 Qf8 0:00 1/4 4.58 7676 29.Qh6 Qf8 30.hxg6 Qxh6 31.Rxh6 fxg6 32.Bxe6+ Kf8 33.Bxc8 Bxc8 34.cxd3 0:00 1/5 4.34 25685 29.Qh6 Qf8 30.hxg6 Qxh6 31.Rxh6 fxg6 32.Bxe6+ Kf8 33.Bxc8 Bxc8 34.cxd3 Nc6 0:00 1/6 4.53 66245 29.Qh6 Qf8 30.hxg6 Qxh6 31.Rxh6 fxg6 32.Bxe6+ Kf8 33.Bxc8 Bxc8 34.cxd3 Nc6 35.Re1 0:00 1/7 4.35 103249 29.Qh6 Qf8 30.hxg6 Qxh6 31.Rxh6 fxg6 32.Bxe6+ Kf8 33.Bxc8 Bxc8 34.cxd3 Be6 35.Re1 Nc6 0:00 1/8 4.36 217438 29.Qh6 Qf8 30.hxg6 Qxh6 31.Rxh6 fxg6 32.Bxe6+ Kf8 33.Bxc8 Bxc8 34.cxd3 Nb3 35.Re1 Bf5 0:02 1/9 4.13 745547 29.Qh6 Qf8 30.hxg6 Qxh6 31.Rxh6 fxg6 32.Bxe6+ Kf8 33.Bxc8 Bxc8 34.cxd3 Nb3 35.Ra2 Rc7 36.f4 Bf5 0:10 1/10 4.33 3089311 29.Qh6 Qf8 30.hxg6 Qxh6 31.Rxh6 fxg6 32.Bxe6+ Kf8 33.Bxc8 Bxc8 34.cxd3 Nb3 35.Re1 Be6 36.Rh4 Rc7 37.Bg5 0:40 1/10 Mate14 12958646 29.Bg4 dxc2 30.Qh6 c1=Q+ 31.Rxc1 Rxc1+ 32.Kh2 Rh1+ 33.Kxh1 Bb7+ 34.Kh2 Qf8 35.Qxh7+ Kxh7 36.hxg6+ Kxg6 37.Bh5+ Kh7 38.Be2+ Qh6 39.Bd3+ Be4 40.Bxe4+ Kg8 41.Rxh6 Kf8 42.Rh8# 0:43 1/11 Mate14 14011151 29.Bg4 dxc2 30.Qh6 c1=Q+ 31.Rxc1 Rxc1+ 32.Kh2 Rh1+ 33.Kxh1 Bb7+ 34.Kh2 Qf8 35.Qxh7+ Kxh7 36.hxg6+ Kxg6 37.Bh5+ Kh7 38.Be2+ Qh6 39.Bd3+ Be4 40.Bxe4+ Kg8 41.Rxh6 Kf8 42.Rh8# 1:03 1/12 Mate12 21375817 29.Bg4 dxc2 30.Rc1 Be2 31.Qh6 Qf8 32.Qxh7+ Kxh7 33.hxg6+ Kxg6 34.Bxe2 Rc3 35.Bh5+ Kh7 36.Bf3+ Qh6 37.Be4+ Kg8 38.Rxh6 Rxg3+ 39.fxg3 Kf8 40.Rh8# 1:40 1/13 Mate12 35481403 29.Bg4 dxc2 30.Rc1 Be2 31.Qh6 Qf8 32.Qxh7+ Kxh7 33.hxg6+ Kxg6 34.Bxe2 Rc3 35.Bh5+ Kh7 36.Bf3+ Qh6 37.Be4+ Kg8 38.Rxh6 Rxg3+ 39.fxg3 Kf8 40.Rh8# jm
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