Author: Uri Blass
Date: 14:43:28 08/07/04
Go up one level in this thread
On August 06, 2004 at 02:02:14, Frank E. Oldham wrote: >On August 05, 2004 at 19:42:24, Albert Silver wrote: > >>The following position arose in Kasparov-Andersson, Tilburg, 1981. Kasparov, >>only 18 at the time, played a brilliant pawn sac that left Andersson unable to >>develop and to his loss in spectacular fashion. It is a difficult move to find, >>and I am not even sure whether any engine will, yet it is unquestionably the >>best move. >> >> Albert >> >>[D]r2qkb1r/n1pp1pp1/4p1bp/1p6/1P1P3P/P3P1P1/1B1N1P2/R2QKB1R w KQkq - >>14.d5 is the move here. > >crafty19.15, Mac dual G5, finds it pretty easily in ply 14 >by ply 17 the PV matches the game very well > > 11-> 3.30 0.21 1. Bg2 d5 2. O-O Be7 3. e4 dxe4 4. > Nxe4 O-O 5. Nc5 Rc8 6. Qg4 Bc2 (s=4) > 12 6.18 0.28 1. Bg2 c6 2. O-O Be7 3. e4 O-O 4. h5 > Bh7 5. Rc1 Qc7 6. Qg4 d5 (s=3) > 12-> 7.94 0.28 1. Bg2 c6 2. O-O Be7 3. e4 O-O 4. h5 > Bh7 5. Rc1 Qc7 6. Qg4 d5 > 13 13.46 0.16 1. Bg2 d5 2. e4 dxe4 3. Nxe4 Be7 4. > Nc5 Rb8 5. a4 O-O 6. a5 Bxc5 7. dxc5 > Qxd1+ 8. Rxd1 Rbd8 9. Rxd8 Rxd8 > 13-> 23.01 0.16 1. Bg2 d5 2. e4 dxe4 3. Nxe4 Be7 4. > Nc5 Rb8 5. a4 O-O 6. a5 Bxc5 7. dxc5 > Qxd1+ 8. Rxd1 Rbd8 9. Rxd8 Rxd8 (s=2) > 14 35.47 0.12 1. Bg2 d5 2. e4 c6 3. h5 Bh7 4. Qe2 > Be7 5. O-O O-O 6. Rac1 Bd6 7. exd5 > cxd5 8. Rfe1 > 14 1:33 0.31 1. d5 exd5 2. Bg2 c6 3. O-O f6 4. e4 > dxe4 5. Bxe4 Bxe4 6. Nxe4 d5 7. Qh5+ > Kd7 8. Rad1 Kc7 9. Qe2 > 14-> 1:33 0.31 1. d5 exd5 2. Bg2 c6 3. O-O f6 4. e4 > dxe4 5. Bxe4 Bxe4 6. Nxe4 d5 7. Qh5+ > Kd7 8. Rad1 Kc7 9. Qe2 (s=2) > 15 2:31 0.42 1. d5 exd5 2. Bg2 c6 3. O-O Qe7 4. > e4 dxe4 5. Nxe4 O-O-O 6. Nc5 d6 7. > Qg4+ Kb8 8. Rae1 h5 9. Rxe7 hxg4 > 15-> 2:59 0.42 1. d5 exd5 2. Bg2 c6 3. O-O Qe7 4. > e4 dxe4 5. Nxe4 O-O-O 6. Nc5 d6 7. > Qg4+ Kb8 8. Rae1 h5 9. Rxe7 hxg4 > 16 5:06 0.49 1. d5 exd5 2. Bg2 c6 3. O-O Qe7 4. > e4 dxe4 5. Nxe4 O-O-O 6. Nd2 f6 7. > h5 Bf5 8. Re1 Be6 9. Rc1 > 16-> 5:36 0.49 1. d5 exd5 2. Bg2 c6 3. O-O Qe7 4. > e4 dxe4 5. Nxe4 O-O-O 6. Nd2 f6 7. > h5 Bf5 8. Re1 Be6 9. Rc1 > 17 18:07 0.61 1. d5 exd5 2. Bg2 c6 3. O-O f6 4. Re1 > Be7 5. Qg4 Kf7 6. h5 Bd3 7. e4 dxe4 > 8. Bxe4 Bxe4 9. Nxe4 d5 10. Rad1 > 17-> 18:31 0.61 1. d5 exd5 2. Bg2 c6 3. O-O f6 4. Re1 > Be7 5. Qg4 Kf7 6. h5 Bd3 7. e4 dxe4 > 8. Bxe4 Bxe4 9. Nxe4 d5 10. Rad1 I gave movei a long time but even after more than 2 hours of search it can only see minimal advantage for white not from the root position but from the position after 1.d5 exd5 2.Bg2 c6 3.0-0 It suggests Rg8 when the score was near 0 in all the last iterations [D]r2qkb1r/n2p1pp1/2p3bp/1p1p4/1P5P/P3P1P1/1B1N1PB1/R2Q1RK1 b kq - 0 16 depth=18 -0.01 h8g8 f1e1 f8e7 h4h5 g6h7 e3e4 d5e4 d2e4 d7d5 e4c5 a7c8 a3a4 b5a4 a1a4 a8a4 d1a4 d8d6 b2d4 Uri
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