Author: Drexel,Michael
Date: 14:31:04 07/20/03
Go up one level in this thread
On July 20, 2003 at 15:50:18, Dieter Buerssner wrote: >On July 20, 2003 at 14:30:59, Drexel,Michael wrote: > >> 6k1/p4pp1/5n2/3pp2p/8/1PN1P3/P4PPP/6K1 b - - 0 22 >> >>A very good testposition. Shredder 7.04 needs 40 seconds on my machine to avoid >>23...d4??. >>Fritz 8 avoids this blunder immediately but many programs have a lot of problems >>here. > >>Analysis by Yace Paderborn: >> = (-0.09) Depth: 15/25 00:00:46 38747kN >>23...d4 24.exd4 exd4 25.Nb5 d3 26.Kf1 a6 27.Nc3 Ng4 28.h3 Ne5 29.f4 Nc6 30.g4 >>hxg4 31.hxg4 >> = (-0.09) Depth: 15/28 00:01:50 89174kN >>23...d4 24.exd4 exd4 25.Nb5 d3 26.Kf1 a6 27.Nd4 Ne4 28.Ke1 Kf8 29.f3 Nc5 >> = (-0.02) Depth: 16/28 00:02:12 107199kN > >Michael, can you give some more details, under which conditions you tested this? >"My" Yace PB avoided d4 at depth 15. I tried with and without TBs and with 30M >hash and 200M hash. Not, that this would be something to be proud of, I just >wonder, how you arrived at that analysis. > >Regards, >Dieter In CB-GUI installed as UCI engine UCI.dll 1.0.1.4 96 MB hash Infinite Analysis, one main line. I get different results. tried it several times If I paste the whole game and click in the notation window on 23.Nxc3 to get the testposition Yace does not avoid it it at depth 15. If I paste the FEN however, Yace finds 22...Kf8 at depth 15 on the same machine. Analysis by Yace Paderborn: 22...g5 = (-0.24) Depth: 1 00:00:00 22...g5 = (-0.24) Depth: 1 00:00:00 22...g5 23.Kf1 = (-0.18) Depth: 2 00:00:00 22...d4 23.Ne4 = (-0.20) Depth: 2 00:00:00 22...d4 23.exd4 = (-0.21) Depth: 2 00:00:00 22...d4 23.exd4 = (-0.21) Depth: 2 00:00:00 22...d4 23.exd4 exd4 = (-0.21) Depth: 3 00:00:00 22...g5 23.Kf1 a6 = (-0.22) Depth: 3 00:00:00 22...g5 23.Kf1 a5 ³ (-0.27) Depth: 3 00:00:00 22...g5 23.Kf1 a5 ³ (-0.27) Depth: 3 00:00:00 22...g5 23.Kf1 d4 24.exd4 exd4 = (-0.23) Depth: 4 00:00:00 22...g5 23.Kf1 d4 24.exd4 exd4 = (-0.23) Depth: 4 00:00:00 22...g5 23.Kf1 Kf8 24.Ke2 Ke7 = (-0.24) Depth: 5 00:00:00 22...g5 23.Kf1 Kf8 24.Ke2 Ke7 = (-0.24) Depth: 5 00:00:00 22...g5 23.b4 Kf8 24.a4 d4 25.exd4 exd4 = (-0.20) Depth: 6/10 00:00:00 12kN 22...d4 23.exd4 exd4 24.a4 = (-0.21) Depth: 6/10 00:00:00 15kN 22...d4 23.exd4 exd4 24.Nb1 a5 25.Nd2 g5 ³ (-0.44) Depth: 6/10 00:00:00 18kN 22...d4 23.exd4 exd4 24.Nb1 a5 25.Nd2 g5 ³ (-0.44) Depth: 6/12 00:00:00 19kN 22...d4 23.exd4 exd4 24.Nd1 Ne4 25.Nb2 Nc3 26.a3 ³ (-0.41) Depth: 7/12 00:00:00 32kN 22...d4 23.exd4 exd4 24.Nd1 Ne4 25.Nb2 Nc3 26.a3 ³ (-0.41) Depth: 7/13 00:00:01 36kN 22...d4 23.exd4 exd4 24.Nb5 d3 25.Kf1 a5 26.Nd4 d2 27.Ke2 ³ (-0.45) Depth: 8/13 00:00:01 59kN 22...d4 23.exd4 exd4 24.Nb5 d3 25.Kf1 a5 26.Nd4 d2 27.Ke2 ³ (-0.45) Depth: 8/14 00:00:01 70kN 22...d4 23.exd4 exd4 24.Nb5 d3 25.Kf1 a5 26.Nd6 g5 27.Ke1 ³ (-0.37) Depth: 9/14 00:00:01 136kN 22...d4 23.exd4 exd4 24.Nb5 d3 25.Kf1 a5 26.Nd6 g5 27.Ke1 ³ (-0.37) Depth: 9/16 00:00:01 225kN 22...d4 23.exd4 exd4 24.Na4 d3 25.Kf1 Ne4 26.f3 Nf6 27.Nc5 d2 28.Ke2 ³ (-0.39) Depth: 10/16 00:00:01 436kN 22...d4 23.exd4 exd4 24.Na4 d3 25.Kf1 Ne4 26.f3 Nf6 27.Nc5 d2 28.Ke2 ³ (-0.39) Depth: 10/18 00:00:01 602kN 22...d4 23.exd4 exd4 24.Na4 Nd5 25.Nc5 Nf4 26.Kf1 d3 27.Ne4 f5 28.Nd2 ³ (-0.29) Depth: 11/18 00:00:01 1025kN 22...d4 23.exd4 exd4 24.Na4 Nd5 25.Nc5 Nf4 26.Kf1 d3 27.Ne4 f5 28.Nd2 ³ (-0.29) Depth: 11/20 00:00:02 1930kN 22...d4 23.exd4 exd4 24.Nb5 d3 25.Kf1 a6 26.Nd6 g5 27.Ke1 Ng4 28.h3 Ne5 ³ (-0.34) Depth: 12/20 00:00:04 3304kN 22...d4 23.exd4 exd4 24.Nb5 d3 25.Kf1 a6 26.Nd6 g5 27.Ke1 Ng4 28.h3 Ne5 ³ (-0.34) Depth: 12/22 00:00:05 4463kN 22...d4 23.exd4 exd4 24.Nb5 d3 25.Kf1 a6 26.Nd4 Ng4 27.h3 Nf6 28.Ke1 Ne4 29.g4 = (-0.21) Depth: 13/22 00:00:07 6162kN 22...d4 23.exd4 exd4 24.Nb5 d3 25.Kf1 a6 26.Nd4 Ng4 27.h3 Nf6 28.Ke1 Ne4 29.g4 = (-0.21) Depth: 13/22 00:00:15 13183kN 22...d4 23.exd4 exd4 24.Nb5 d3 25.Kf1 a6 26.Nc3 a5 27.Ke1 Ng4 28.h3 Ne5 29.f4 Nd7 = (-0.18) Depth: 14/25 00:00:20 17891kN 22...d4 23.exd4 exd4 24.Nb5 d3 25.Kf1 a6 26.Nc3 a5 27.Ke1 Ng4 28.h3 Ne5 29.f4 Nd7 = (-0.18) Depth: 14/25 00:00:37 32187kN 22...d4 23.exd4 exd4 24.Nb5 d3 25.Kf1 a5 26.Ke1 Ne4 27.Nd4 g5 28.Nc6 d2+ 29.Kd1 Nxf2+ 30.Kxd2 Ne4+ = (-0.05) Depth: 15/25 00:00:46 40355kN 22...Kf8 23.Kf1 a6 24.Ke2 Ke7 25.Na4 Nd7 26.b4 g5 27.Kd3 = (-0.06) Depth: 15/26 00:01:43 86734kN 22...Kf8 23.Nb5 a6 24.Nc7 a5 25.Na6 d4 26.exd4 exd4 27.Nc5 Nd5 28.a3 Nc3 = (-0.12) Depth: 15/28 00:02:37 130758kN 22...Kf8 23.Nb5 a6 24.Nc7 a5 25.Na6 d4 26.exd4 exd4 27.Nc5 Nd5 28.a3 Nc3 = (-0.12) Depth: 15/28 00:03:03 151943kN 22...Kf8 23.Nb5 a6 24.Nc7 a5 25.Na6 d4 26.Nc5 h4 27.Nb7 d3 28.Kf1 a4 = (-0.03) Depth: 16/28 00:03:58 196782kN On AMD 2200,256 MB hash 80 seconds to avoid d4 at depth 15 Michael
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