Author: Chessfun
Date: 14:20:47 03/31/00
Go up one level in this thread
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
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