Author: Dann Corbit
Date: 11:20:36 04/20/04
Go up one level in this thread
On April 20, 2004 at 14:15:58, Dan Ellwein wrote:
>On April 20, 2004 at 13:28:40, Dann Corbit wrote:
>
>>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.
>
>yes, Dann, agree...
It is interesting that the overnight analysis by CM9000 {standard} changed its
mind.
I think I will look over the new pv lines carefully and see if some novelty was
found.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.