Author: Vincent Lejeune
Date: 01:17:51 05/06/05
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On May 05, 2005 at 23:52:03, Steven Edwards wrote: >Here's WCSAC.0016: > >[D] r4rk1/pp1b2p1/2p4n/2Qp1p1R/3P4/3BP3/PP2NPq1/1K5R w - - 0 1 > >The book gives the answer 1. Rxh6, but a lengthy analysis says that the capture >is better if it's deferred a couple of moves: > >pes +2.257; >pv Qd6 Rf7 Nf4 Qxf2 Rxh6 gxh6 Qxh6 Rg7 Qh8+ Kf7 Qxa8 Rg1+ Rxg1 Qxg1+ Kc2 Qxe3 >Qxb7 Ke8; > >Is there a bug in the problem or in the analysis? Shredder 9 agrees after 5 min, AMD@3000+, 2 best moves : Analysis by Shredder 9: 1. +- (6.19): 1.Dd6 Tad8 2.Cf4 Fc8 3.Dxf8+ Txf8 4.Cxg2 Rf7 5.Rc2 Rf6 2. +- (5.21): 1.Txh6 gxh6 2.Tg1 Dxg1+ 3.Cxg1 Tf7 4.Dd6 f4 5.Dxh6 fxe3 6.fxe3 Fg4 7.Ce2 Fxe2 8.Fxe2 Taf8 9.Fd3 Tg7 10.De6+ Rh8 11.Ff5
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