Author: Cliff Sears
Date: 18:43:00 09/05/04
Go up one level in this thread
On September 05, 2004 at 12:13:58, Uri Blass wrote: >On September 05, 2004 at 11:09:55, Anthony Cozzie wrote: > >>On September 04, 2004 at 23:47:22, Michael Neish wrote: >> >>>On September 04, 2004 at 21:39:53, Cliff Sears wrote: >>> >>>>[d] 4rrk1/1b2bppp/2q5/p1P1p3/3pN3/5P2/PPB1Q1PP/2RR2K1 b - - 0 20 >>> >>>>>Black to move and the move made by Black was "f5" "Black immediately begins >>>>the decisive advance. Note that he spends no time on prophylaxis against >>>>White's Queenside play, confident that his pawn-storm will sweep everything >>>>from its path" >>>> >>>>Black went on to win. >>> >>>For your information, Ruffian 1.0.1 likes Rc8 up to depth 11, then cat depth 12 >>>changes to Qc7, to Rb8 and finally to Ba6, giving a score of +0.55 in favour of >>>Black. If it changes again I'll let you know. >>> >>>BUT, >>> >>>1) Is f4 the best move, and White failed to find the best resistance? >>> >>>2) How did the actual game continue? >>> >>>A sample line with Ruffian goes as follows: >>> >>>1) ... f5 >>>2) Qc4+ Qd5 >>>3) Bb3 Qxc4 >>>4) Bxc4+ Kh8 >>>5) Nd6 Bxd6 >>>6) cxd6 Rd8 >>>7) f4 >>> >>>at which point it thinks White is doing pretty well, +1.09. >>> >>>Cheers, >>> >>>Mike. >> >>Obviously not Qd5. >> >>anthony > >Yes > >It is not an easy test position but movei finally at depth 16 (after almost 20 >minutes on fast hardware) failed high > >depth=16 -0.18 g8h8 >Nodes: 624026840 NPS: 549682 >Time: 00:18:55.25 >depth=16 -0.02 g8h8 e4d6 e7d6 c2a4 c6c5 c4c5 d6c5 a4e8 c5b6 e8c6 d4d3 g1h1 b7a6 >c6d5 b6d4 d5c4 a6c4 c1c4 >Nodes: 850401788 NPS: 547713 >Time: 00:25:52.64 > >Uri Rebel 12 did select "f5" but later changed it to Qh6 00:00:40.0 0.47 7 5823301 f5 Qc4+ Qd5 Qa4 Bc6 Bb3 Bxa4 Bxd5+ Kh8 b3 Rd8 00:01:22.7 0.33 8 12163433 f5 Qc4+ Qd5 Bb3 Qxc4 Bxc4+ Kh8 Nd6 Bxd6 cxd6 Bc6 Ba6 Ba4 00:01:25.3 0.45 8 12580635 Qh6 Ba4 Rc8 Qe1 Qa6 f4
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