Author: Dann Corbit
Date: 10:28:40 04/20/04
Go up one level in this thread
On April 19, 2004 at 21:56:15, Dan Ellwein wrote: >On April 19, 2004 at 13:49:12, Dann Corbit wrote: > >>... this position from the Evans Gambit? Shredder has reduced the score to 0.13 >>pawns and most engines I tried were much farther away from the true value. >> >>On the other hand, all the engines I did try eventually start a slow march >>downward with the score. Some are wildly optimistic (thinking at first that >>they are two pawns ahead). >> >>[D]r1bqk1nr/pppp1ppp/2n5/b7/2BpP3/2P2N2/P4PPP/RNBQ1RK1 b kq - am dxc3; bm Nge7; >> >>Analysis from E:\tough.epd >>4/17/2004 12:04:45 AM Level: 40000 Seconds >>Analyzing engine: Shredder 7.04 UCI >> >>1) Nge7; >> Searching move: Ng8-e7 >> Best move (Shredder 7.04 UCI): d4xc3 >> Not found in: 11:06:40 >> 2 00:00 0.53 Ng8f6 Nf3g5 >> 3 00:00 0.63 Ng8f6 e4e5 d7d5 e5xd6/ep Qd8xd6 c3xd4 >> 4 00:00 0.37 Ng8f6 c3xd4 Nf6xe4 Bc1a3 >> 4 00:00 0.49 d4xc3 Qd1b3 >> 5 00:00 0.49 d4xc3 Qd1b3 >> 6 00:00 0.49 d4xc3 Qd1b3 >> 6+ 00:00 0.50 Ng8f6 e4e5 Nf6e4 Bc1a3 Ne4xc3 Qd1xd4 Nc6xd4 >> 6 00:00 0.51 Ng8f6 Nf3xd4 Nc6e5 Bc4b3 Nf6xe4 Rf1e1 >> 7 00:00 0.52 Ng8f6 e4e5 Nf6e4 Qd1b3 00 c3xd4 d7d6 >> 8 00:00 0.67 Ng8f6 Nf3xd4 00 Bc1a3 Rf8e8 f2f3 d7d6 Nd4xc6 b7xc6 >> 9 00:01 0.45 Ng8f6 e4e5 d7d5 Bc4b5 Nf6e4 Bb5xc6+ b7xc6 Qd1a4 Ba5xc3 >>Nb1xc3 Ne4xc3 Qa4xc6+ Bc8d7 >> 9 00:01 0.49 d4xc3 Qd1b3 >> 10 00:01 0.49 d4xc3 Qd1b3 >> 11 00:01 0.49 d4xc3 Qd1b3 >> 12 00:02 0.49 d4xc3 Qd1b3 >> 13 00:04 0.49 d4xc3 Qd1b3 >> 14 00:06 0.49 d4xc3 Qd1b3 >> 15 00:12 0.49 d4xc3 Qd1b3 >> 16 04:19 0.48 d4xc3 Qd1b3 Qd8f6 Bc1g5 Qf6g6 Nb1xc3 Ng8f6 Bg5xf6 Qg6xf6 >>Nc3d5 Qf6d8 Qb3a3 d7d6 Nf3d4 Nc6xd4 Qa3xa5 >> 17 12:52 0.49 d4xc3 Qd1b3 Qd8f6 Bc1g5 Qf6g6 Nb1xc3 Ng8f6 Bg5xf6 Qg6xf6 >>Nc3d5 Qf6d8 Qb3a3 d7d6 Bc4b5 00 Bb5xc6 b7xc6 Qa3xa5 >> 18 23:07 0.35 d4xc3 Qd1b3 Qd8f6 Bc1g5 Qf6g6 Nb1xc3 Ba5xc3 Qb3xc3 Ng8f6 >>Ra1e1 00 Bc4d3 h7h6 e4e5 Nf6d5 Qc3c2 Nd5b4 Bd3xg6 Nb4xc2 Bg6xc2 h6xg5 >> 19 47:27 0.35 d4xc3 Qd1b3 Qd8f6 Bc1g5 Qf6g6 Nb1xc3 Ba5xc3 Qb3xc3 Ng8f6 >>Rf1e1 00 Bc4d3 h7h6 e4e5 Nf6d5 Qc3c4 Nd5b6 Qc4c2 Qg6h5 Bg5h4 >> 20 1:45:35 0.34 d4xc3 Qd1b3 Qd8f6 Bc1g5 Qf6g6 Nb1xc3 Ba5xc3 Qb3xc3 Ng8f6 >>e4e5 Nf6e4 Qc3e3 00 Bc4d3 d7d5 e5xd6/ep Rf8e8 Rf1e1 >> 21 3:55:11 0.26 d4xc3 Qd1b3 Qd8f6 Bc1g5 Qf6g6 Nb1xc3 Ng8f6 e4e5 d7d5 >>e5xf6 d5xc4 Rf1e1+ Ke8f8 Qb3b2 h7h6 Nc3d5 >> 22 9:19:02 0.13 d4xc3 Qd1b3 Qd8f6 Bc1g5 Qf6g6 Nb1xc3 Ba5xc3 Qb3xc3 Ng8f6 >>e4e5 Nf6e4 Qc3e3 00 Bc4d3 f7f5 e5xf6/ep d7d5 f6xg7 Rf8f7 Ra1b1 >> 4/17/2004 11:11:33 AM, Time for this analysis: 11:06:42, Rated time: 11:06:40 >> >>0 of 1 matching moves >>4/17/2004 11:11:34 AM, Total time: 11:06:48 AM >>Rated time: 11:06:40 = 40000 Seconds > >hi Dann > >CM9_OffSet after 5 hours of analyzing likes dxc3... > >P3/850 > > >Time Depth Score Positions Moves >---- ---- ---- ---- ---- >0:00 1/3 -2.36 1834 1...dxc3 2.Qd5 Qe7 3.Be3 >0:00 1/4 -2.50 8827 1...dxc3 2.Qd3 Qf6 3.Bg5 >0:00 1/5 -1.97 32451 1...dxc3 2.Qb3 Nf6 3.Nxc3 O-O >0:01 1/6 -1.89 90736 1...dxc3 2.Qb3 Nf6 3.Nxc3 Bxc3 > 4.Qxc3 O-O 5.Bb2 d6 >0:02 1/7 -1.84 175431 1...dxc3 2.Qb3 Qf6 3.Bg5 Nd4 4.Nxd4 > Qxg5 5.Bxf7+ Kf8 6.Bxg8 Rxg8 7.Nxc3 >0:05 1/8 -1.89 457273 1...dxc3 2.Qb3 Nf6 3.Nxc3 Bxc3 > 4.Qxc3 O-O 5.Bb2 d6 6.Rab1 Be6 >0:15 1/9 -1.89 1405639 1...dxc3 2.Qb3 Nf6 3.Nxc3 Bxc3 > 4.Qxc3 O-O 5.Bb2 d6 6.Rab1 Be6 >1:08 1/10 -2.19 6167860 1...dxc3 2.Qb3 Nf6 3.Nxc3 Bxc3 > 4.Qxc3 O-O 5.e5 Ne4 6.Qe3 d5 7.Ba3 > Re8 >3:26 1/11 -2.19 19312997 1...dxc3 2.Qb3 Nf6 3.Nxc3 Bxc3 > 4.Qxc3 O-O 5.e5 Ne4 6.Qe3 d5 7.Ba3 > Re8 >11:02 1/12 -2.22 63873458 1...dxc3 2.Qb3 Nf6 3.e5 d5 4.exf6 > dxc4 5.fxg7 Rg8 6.Re1+ Ne7 7.Qxc4 > Be6 8.Qa4+ Nc6 >34:32 1/13 -2.21 203738773 1...dxc3 2.Qb3 Nf6 3.e5 d5 4.exf6 > dxc4 5.fxg7 Rg8 6.Re1+ Ne7 7.Qa3 > b6 8.Bg5 Be6 9.Bf6 >1:22:37 2/14 -2.11 509390720 1...dxc3 2.Qb3 Nf6 3.e5 d5 4.exf6 > dxc4 5.fxg7 Rg8 6.Re1+ Ne7 7.Qa3 > b6 8.Bg5 Be6 9.Bf6 c2 10.Nc3 c5 >5:32:29 3/15 -2.08 1818812313 1...dxc3 2.Qb3 Nf6 3.e5 d5 4.exf6 > dxc4 5.fxg7 Rg8 6.Re1+ Ne7 7.Qa3 > b6 8.Bg5 Be6 9.Bf6 Qd6 10.Qa4+ Bd7 Here, it is clear that the default version understands this position and CM9_OffSet does not.
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