Author: Bob Durrett
Date: 09:59:10 10/22/02
Go up one level in this thread
What if Black does not recapture on b5? Bob D. On October 22, 2002 at 12:47:28, Dann Corbit wrote: >On October 22, 2002 at 00:26:02, Slater Wold wrote: > >>[D]r3nrk1/1bq2pp1/p1npp2p/1p5P/4PP2/PNNB2Q1/1PP5/2KR2R1 w - - 0 19 >> >> >>Can anyone find 19. Bxb5? > >Ruffian likes f5: > >E:\programme\winboard\ruffian>ruffian -h 300M -t 9999 -T bxb5.epd >Hash size 314572800 >Ruffian 1.0.1 >feature done=0 >Loading configuration: ruffian.cfg >Warning: EGTB_HASH_SIZE changed, default=1048576, newvalue=8388608 >Logfile: Mon Oct 21 23:04:32 2002 >Total hash size 300M >Initializing tablebases: /programme/winboard/nalimov >Testing bxb5.epd, 9999 seconds, extra ply 3 >Testing: test 1 Solution: Qg6 > r3nrk1/1bq2pp1/p1npp2p/1p5P/4PP2/PNNB2Q1/1PP5/2KR2R1 w - - > Depth Time Score Best line > 8/22 1.18 -0.12 f5 exf5 exf5 Qe7 Qf4 Kh8 Nd5 Qe5 Qf3 > 8--> 1.35 -0.12 f5 exf5 exf5 Qe7 Qf4 Kh8 Nd5 Qe5 Qf3 > 9/26 3.74 -0.11 f5 Qe7 fxe6 Qxe6 Nd5 Rc8 Nb6 Rd8 Nd5 Rc8 > 9--> 4.23 -0.11 f5 Qe7 fxe6 Qxe6 Nd5 Rc8 Nb6 Rd8 Nd5 Rc8 > 10/29 9.34 0.00 f5 Qe7 fxe6 Qxe6 Nd5 Rc8 Nb6 Rd8 Nd5 Rc8 > 10--> 11.01 0.00 f5 Qe7 fxe6 Qxe6 Nd5 Rc8 Nb6 Rd8 Nd5 Rc8 > 11/30 37.58 0.06 f5 exf5 exf5 f6 Nd5 Qf7 Nf4 Nc7 Be4 Rad8 Bxc6 Bxc6 > Ne6 > 11--> 38.60 0.06 f5 exf5 exf5 f6 Nd5 Qf7 Nf4 Nc7 Be4 Rad8 Bxc6 Bxc6 > Ne6 > 12/33 1:08 0.03 f5 Qe7 Qe3 Qf6 Rdf1 Ne5 Na5 Bc8 fxe6 Qxe6 Nd5 f5 > Be2 fxe4 > 12--> 1:12 0.03 f5 Qe7 Qe3 Qf6 Rdf1 Ne5 Na5 Bc8 fxe6 Qxe6 Nd5 f5 > Be2 fxe4 > 13/37 2:46 0.18 f5 Qe7 Rdf1 exf5 exf5 f6 Nd5 Qf7 Nf4 Nc7 Ne6 Nxe6 > fxe6 Qe7 > 13--> 2:52 0.18 f5 Qe7 Rdf1 exf5 exf5 f6 Nd5 Qf7 Nf4 Nc7 Ne6 Nxe6 > fxe6 Qe7 > 14/39 12:18 0.16 f5 Qd8 Rdf1 exf5 exf5 f6 Qf4 Kh8 Rg6 Rf7 Rfg1 Nc7 > Qg3 Qd7 Qf4 > 14--> 13:03 0.16 f5 Qd8 Rdf1 exf5 exf5 f6 Qf4 Kh8 Rg6 Rf7 Rfg1 Nc7 > Qg3 Qd7 Qf4 > 15/42 32:02 0.26 f5 Ne5 f6 g5 hxg6 fxg6 Qh3 Nxf6 Qxh6 Qh7 Qe3 Nfg4 > Qb6 Nf2 Rd2 Nfxd3+ cxd3 Nf3 > 15--> 33:28 0.26 f5 Ne5 f6 g5 hxg6 fxg6 Qh3 Nxf6 Qxh6 Qh7 Qe3 Nfg4 > Qb6 Nf2 Rd2 Nfxd3+ cxd3 Nf3 > 16/44 66:23 0.21 f5 Qe7 Rdf1 f6 fxe6 Qxe6 Qe3 Kh8 Rg6 Rf7 Rfg1 Nc7 > Be2 Re8 Qg3 Qd7 Qf4 > 16--> 72:33 0.21 f5 Qe7 Rdf1 f6 fxe6 Qxe6 Qe3 Kh8 Rg6 Rf7 Rfg1 Nc7 > Be2 Re8 Qg3 Qd7 Qf4 > 17... 72:33 1/39 f5 > >Time: 166:39, cpu 98.46%, nodes 1307455216, nps 130757 >Hash: 128M, used 100%, hits 22% >EGTB: probs 0, hits 0 > >Best move: f5 (0.21) Not solved (0/1) > >Summery: 0/1
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