Author: Uri Blass
Date: 04:17:34 12/26/02
Go up one level in this thread
On December 26, 2002 at 06:34:34, Dave Gomboc wrote: >On December 25, 2002 at 16:18:20, Scott Gasch wrote: > >>On December 25, 2002 at 13:09:45, Sune Larsson wrote: >>> >>> 5rk1/1ppq1rb1/p2p1nn1/3Pp3/2P1Ppp1/PPN3P1/3BQPB1/2R2RK1 w - - 0 25 >>> >>... >>> >>> CM 9000Utz12 25.Qd3 -0.15 Ply 14 64 Mb hash >>> Shredder PB 25.Qd3 -0.28 Ply 14 128 Mb hash >>> Hiarcs 8 25.Qd3 -0.55 Ply 13 128 Mb hash >>> Fritz 8 25.Qd3 -0.59 Ply 14 128 Mb hash >>> Ruffian 25.Qd3 -0.69 Ply 14 128 Mb hash >>> Chess Tiger14 25.Bh1 -1.50 Ply 14 96 Mb hash >>> GambitTiger 2 25.Qd3 -2.26 Ply 14 96 Mb hash >>> >> >> Monsoon -1.17 for white static eval at root >> Monsoon 25. Qd3 -4.18 Ply 14 512 Mb hash >> >>If possible, monsoon is too pessamistic about this position? It is unhappy with >>white's position when I run a static evaluation of the position and when I let >>it search it gets worse and worse. By ply 14, as you can see, it's much more >>unhappy than any of these better engines. > >No, I'd say Monsoon is doing a fantastic job here. White is toast. > >Dave Here is Deep Fritz 6's evaluation after Qd3 f3 Bh1 Bh8(when I take back moves fritz does not like Bh1 and prefers to sacrifice the bishop immediately by means of Qe3 with only -1.97 evaluation at depth 14 and -1.91 at depth 15. Some analysis with yace only material when it learns from the line Qd3 f3 Bh1 Bh8 suggest that white is losing a bishop for a pawn after Qd3. I guess that the same for other moves so I guess that it is possible to see after enough time that black is winning for tactical reasons. New position [D]5rkb/1ppq1r2/p2p1nn1/3Pp3/2P1P1p1/PPNQ1pP1/3B1P2/2R2RKB w - - 0 1 Analysis by Deep Fritz: 3.Bh1xf3-- µ (-1.28) Depth: 1/4 00:00:00 3.Bh1xf3-- g4xf3 -+ (-1.53) Depth: 1/4 00:00:00 3.c4-c5! µ (-1.03) Depth: 1/4 00:00:00 3.c4-c5! d6xc5 ³ (-0.41) Depth: 1/5 00:00:00 3.Bd2-e3! = (-0.25) Depth: 1/5 00:00:00 3.Bd2-e3! Rf7-h7 = (0.16) Depth: 1/5 00:00:00 3.Bd2-h6! = (0.25) Depth: 1/5 00:00:00 3.Bd2-h6 Bh8-g7 4.Bh6-e3 ² (0.31) Depth: 2/7 00:00:00 3.Bd2-h6 Bh8-g7 4.Bh6-e3 Kg8-h7 ² (0.31) Depth: 3/8 00:00:00 3.Bd2-h6 Rf8-b8 4.Bh6-e3 Rf7-h7 = (0.22) Depth: 4/8 00:00:00 1kN 3.Bd2-h6 Rf8-b8 4.Bh6-e3 Rf7-h7 5.b3-b4 ² (0.34) Depth: 5/14 00:00:00 3kN 3.Bd2-h6 Rf8-b8 4.Bh6-e3 Rf7-h7 5.b3-b4 Bh8-g7 ² (0.28) Depth: 6/14 00:00:00 8kN 3.Bd2-h6 Rf8-b8 4.Bh6-e3 Rf7-h7 5.b3-b4 Bh8-g7 6.Rf1-d1 Rh7-h6 ² (0.31) Depth: 7/18 00:00:00 20kN 3.Bd2-h6 Rf8-b8 4.Bh6-e3 Rf7-h7 5.b3-b4 Bh8-g7 6.Rf1-d1 Rb8-f8 = (0.25) Depth: 8/23 00:00:00 42kN 3.Bd2-h6-- = (-0.06) Depth: 9/21 00:00:00 107kN 3.Bd2-h6-- Rf7-h7 4.Qd3-e3 Bh8-g7 5.Bh6-g5 Kg8-f7 6.Bg5xf6 Bg7xf6 7.b3-b4 Kf7-e8 ³ (-0.41) Depth: 9/21 00:00:00 150kN 3.Rc1-d1! ³ (-0.37) Depth: 9/21 00:00:00 165kN 3.Qd3-e3! ³ (-0.34) Depth: 9/23 00:00:00 427kN 3.Qd3-e3! Rf7-h7 4.Qe3-g5 Qd7-g7 5.Qg5-f5 Ng6-e7 6.Qf5-e6+ Qg7-f7 7.Qe6xf7+ Rf8xf7 8.b3-b4 = (0.00) Depth: 9/23 00:00:00 464kN 3.Qd3-e3 Rf7-h7 4.Qe3-g5 Qd7-f7 5.Qg5-f5 Rh7-h5 6.Qf5-e6 Qf7xe6 7.d5xe6 Rf8-e8 8.Nc3-d5 Nf6xe4 = (-0.22) Depth: 10/23 00:00:01 699kN 3.Qd3-e3-- ³ (-0.53) Depth: 11/26 00:00:02 1370kN 3.Qd3-e3-- Rf7-h7 4.Qe3-g5 Qd7-f7 5.Qg5-f5 Rh7xh1+ 6.Kg1xh1 Qf7-h7+ 7.Kh1-g1 Qh7-h3 8.Qf5xg6+ Bh8-g7 µ (-1.31) Depth: 11/31 00:00:03 1651kN 3.Bd2-h6! µ (-1.28) Depth: 11/31 00:00:03 1918kN 3.Bd2-h6! Rf7-h7 4.Qd3-e3 Bh8-g7 5.Bh6-g5 Kg8-f7 6.Bg5xf6 Bg7xf6 7.b3-b4 Rf8-h8 8.Bh1xf3 g4xf3 µ (-1.16) Depth: 11/31 00:00:03 2115kN 3.Bd2-h6-- -+ (-1.47) Depth: 12/30 00:00:08 4647kN 3.Bd2-h6-- Rf7-h7 4.Qd3-e3 Ng6-f4 5.g3xf4 Rh7xh6 6.f4xe5 Qd7-h7 7.Qe3xh6 Qh7xh6 8.e5xf6 Bh8xf6 -+ (-1.72) Depth: 12/33 00:00:09 5371kN 3.Nc3-d1! -+ (-1.69) Depth: 12/33 00:00:11 6286kN 3.Qd3-e3! -+ (-1.66) Depth: 12/33 00:00:12 7004kN 3.Qd3-e3! Rf7-h7 4.Qe3-g5 Qd7-f7 5.Qg5-f5 Rh7xh1+ 6.Kg1xh1 Qf7-h7+ 7.Kh1-g1 Qh7-h3 8.Qf5xg6+ Bh8-g7 µ (-1.31) Depth: 12/33 00:00:13 7518kN 3.Qd3-e3-- -+ (-1.62) Depth: 13/30 00:00:21 12276kN 3.Qd3-e3-- Rf7-h7 4.Qe3-g5 Qd7-f7 5.Bh1xf3 g4xf3 6.Qg5-f5 Nf6-d7 7.Qf5xf7+ Kg8xf7 8.Rf1-e1 Nd7-c5 -+ (-2.31) Depth: 13/34 00:00:28 16756kN 3.Rf1-d1! -+ (-2.28) Depth: 13/35 00:00:38 22007kN 3.Rf1-d1! Rf7-h7 4.c4-c5 Rh7-h3 5.c5xd6 c7xd6 6.Bd2-g5 Qd7-h7 7.Bh1xf3 g4xf3 8.Qd3xf3 Nf6-g4 -+ (-2.25) Depth: 13/37 00:00:55 31805kN 3.Bd2-h6! -+ (-2.22) Depth: 13/37 00:01:21 46439kN 3.Bd2-h6! Rf7-h7 4.Qd3-e3 Ng6-f4 5.g3xf4 Rh7xh6 6.f4xe5 Qd7-h7 7.Qe3xh6 Qh7xh6 8.e5xf6 Bh8xf6 -+ (-1.56) Depth: 13/37 00:01:23 48069kN 3.Bd2-h6 Rf7-h7 4.Qd3-e3 Bh8-g7 5.Bh6-g5 Kg8-f7 6.Bh1xf3 g4xf3 7.Qe3xf3 Kf7-e8 8.Qf3-f5 Qd7xf5 -+ (-1.72) Depth: 14/34 00:01:37 56299kN 3.Bd2-h6-- -+ (-2.03) Depth: 15/37 00:02:38 93757kN 3.Bd2-h6-- Rf7-h7 4.Qd3-e3 Ng6-f4 5.g3xf4 Rh7xh6 6.Bh1-g2 Qd7-h7 7.Rf1-e1 f3xg2 8.Kg1xg2 Nf6-h5 -+ (-3.75) Depth: 15/42 00:03:02 108398kN 3.Rc1-e1! -+ (-3.72) Depth: 15/42 00:03:13 115734kN 3.Rc1-e1! Rf7-h7 4.Bh1xf3 g4xf3 5.Qd3xf3 Nf6xd5 6.Qf3-g2 Nd5xc3 7.Bd2xc3 Ng6-f4 8.g3xf4+ Rh7-g7 -+ (-3.31) Depth: 15/42 00:03:55 140365kN 3.c4-c5! -+ (-3.28) Depth: 15/42 00:04:39 169594kN 3.c4-c5! Rf7-h7 4.Bh1xf3 g4xf3 5.Qd3xf3 Nf6-g4 6.Qf3-g2 d6xc5 7.Bd2-e3 Rh7-h2 8.Qg2xh2 Ng4xh2 -+ (-2.78) Depth: 15/45 00:13:21 470312kN 3.Qd3-e3! -+ (-2.75) Depth: 15/45 00:17:40 619483kN 3.Qd3-e3! Rf7-h7 4.Qe3-g5 Qd7-f7 5.Bh1xf3 g4xf3 6.Qg5-f5 Nf6-d7 7.Qf5-g4 Nd7-c5 -+ (-2.41) Depth: 15/45 00:18:27 647175kN 3.Qd3-e3-- -+ (-2.72) Depth: 16/40 00:20:43 728027kN (Blass, Tel-aviv 26.12.2002) Uri
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