Author: Chessfun
Date: 14:29:50 03/31/00
Go up one level in this thread
On March 31, 2000 at 17:20:47, Chessfun wrote: >On March 31, 2000 at 17:09:02, John Stanback wrote: > >>On March 31, 2000 at 16:23:24, Chessfun wrote: >> >>> >>> >>>This position came up in my tourney. >>>Nimzo to play played Qxc2?? and resigned 5 moves later. >>>How long does your program take to avoid taking the pawn?. >>> >>>MCP 8 is in book with 15. either Bc1 or Qc1 since Qc1 leads to >>>black thinking it is winning seems the best move. This Qc1 should >>>be in every book as the best move in this variation. >>> >>>[D]r3kb1r/2q2ppp/p2p4/1p1PpP2/8/4Q3/PPP1N1PP/R4RK1 b kq - 0 17 >>> >>> >>>Thanks. >> >>On a P2-300 Zarkov sees the score for Qxc2 drop after about 12 >>seconds, but the search goes bananas and it takes over 2 minutes >>to find Be7. >> >>00:01.0 37760 6> 99 Qxc2 b4 Be7 a3 O-O >>00:01.1 42240 6 73 Qxc2 b4 Be7 Nc3 Qb2 Rab1 Qc2 >>00:01.2 43777 7> 73 Qxc2 b4 Be7 Nc3 Qb2 Rab1 Qc2 >>00:02.5 87808 7 71 Qxc2 Rac1 Qxb2 Qb6 Rd8 Qc6+ Rd7 Rc2 Qa3 Qc8+ Rd8 >>00:03.3 117346 8> 71 Qxc2 Rac1 Qxb2 Qb6 Rd8 Qc6+ Rd7 Rc2 Qa3 Qc8+ Rd8 >>00:09.6 352768 8 70 Qxc2 Rac1 Qxb2 Qb6 Rd8 Qc6+ Rd7 Qc8+ Ke7 Rc2 Qa3 >>00:10.7 388114 9> 70 Qxc2 Rac1 Qxb2 Qb6 Rd8 Qc6+ Rd7 Qc8+ Ke7 Rc2 Qa3 >>00:12.3 451072 9 12 Qxc2 Rac1 Qxb2 Qb6 Rd8 Qc6+ Rd7 Qc8+ Ke7 Rc2 Qa3 >>00:18.0 647680 9 0 Qxc2 Rac1 Qxb2 Qb6 Rd8 Qc6+ Rd7 Qc8+ Ke7 f6+ gxf6 >>02:08.8 4139264 9 6 Be7 c3 Qc4 Qf3 O-O <HT> >>05:44.6 11025969 10> 6 Be7 c3 Qc4 Qf3 O-O <HT> >> >>John > >Which version of Zarkov. >I get 2 min 4 secs and it plays Qc5 on Zarkov 5 on cel 433. > >Following is F6a >MCP 8 - Nimzo 7.32 >r3kb1r/2q2ppp/p2p4/1p1PpP2/8/4Q3/PPP1N1PP/R4RK1 b kq - 0 1 > >Analysis by Fritz 6: >17...Qxc2 18.b4 Be7 19.Nc3 0-0 20.Rac1 Qb2 21.Qe4 Rac8 > ³ (-0.38) Depth: 9/22 00:00:01 377kN >17...Qxc2 18.b4 Be7 19.Nc3 0-0 20.Rf2 Bg5 21.Qg3 Bd2 22.f6 > = (-0.25) Depth: 10/26 00:00:03 733kN >17...Qxc2 18.Rac1 Qxb2 19.Qb6 Rd8 20.Qc6+ Ke7 21.f6+ gxf6 > = (-0.13) Depth: 11/27 00:00:11 2799kN >17...Qxc2 18.Rac1 Qxb2 19.Qb6 Rd8 20.Qc6+ Ke7 21.f6+ gxf6 22.Ng3 > = (-0.13) Depth: 12/30 00:00:39 9760kN >17...Qxc2 18.Rac1 Qxb2 19.Qb6 Rd8 20.Qc6+ Ke7 21.f6+ gxf6 22.Ng3 > = (0.00) Depth: 13/31 00:01:40 24728kN >17...Be7 > = (0.12) Depth: 13/32 00:02:10 32862kN > >(Bird, Scarb 31.03.2000) > >Thanks What seems funniest is now I analyize with Nimzo 7.32 and it don't play it?? after 5 minutes? MCP 8 - Nimzo 7.32 r3kb1r/2q2ppp/p2p4/1p1PpP2/8/4Q3/PPP1N1PP/R4RK1 b kq - 0 1 Analysis by Nimzo 7.32: 17...Qxc2 18.Rac1 Qxb2 = (0.00) Depth: 6/19 00:00:01 31kN 17...Qa7 = (-0.01) Depth: 6/19 00:00:01 31kN 17...Qa7 18.Qxa7 Rxa7 19.g4 Be7 20.c3 Bf6 = (-0.05) Depth: 6/19 00:00:01 31kN 17...Rc8 = (-0.06) Depth: 6/19 00:00:01 31kN 17...Rc8 18.b4 Qc4 19.c3 Qxd5 20.Nd4 = (-0.13) Depth: 6/19 00:00:01 31kN 17...Rc8 18.Kh1 Qc4 19.Qxe5+ dxe5 20.b3 = (-0.20) Depth: 7/20 00:00:02 228kN 17...Rc8 18.c3 Qc5 19.Qxc5 Rxc5 20.Rad1 Be7 21.g4 Bf6 ³ (-0.30) Depth: 8/22 00:00:03 411kN 17...Rc8 18.c3 Qc5 19.Qxc5 Rxc5 20.Rad1 Be7 21.g4 Bf6 22.h3 = (-0.15) Depth: 9/23 00:00:06 1139kN 17...Qc4 = (-0.16) Depth: 9/23 00:00:17 4134kN 17...Rc8 18.c3 Qc5 19.Qxc5 Rxc5 20.Rad1 Be7 21.g4 Bf6 22.h3 = (-0.15) Depth: 9/23 00:00:19 4686kN 17...Rc8 18.c3 Qc5 19.Qxc5 Rxc5 20.Rad1 Be7 21.g4 a5 22.h3 Bf6 ³ (-0.27) Depth: 10/25 00:00:30 7589kN 17...Rc8 18.a4 Qc5 19.Qxc5 Rxc5 20.axb5 axb5 21.Ra8+ Ke7 22.f6+ gxf6 = (-0.21) Depth: 11/26 00:01:18 19493kN (Bird, Scarb 31.03.2000) Thanks
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