Author: Roy Eassa
Date: 08:10:07 03/18/02
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On March 18, 2002 at 09:52:59, Art Basham wrote: >In this position, here black (Paul Morphy) played ....Qxf3 and of course won! > >[D]4r1k1/p1pb1ppp/Qbp1r3/8/1P6/2Pq1B2/R2P1PPP/2B2RK1 b - - > >....QXB wins... > >The QuarkCorbit engine finds it is just afew sec. at 9 ply..., >RexChess takes 7 ply, >and ChessMaster 5000 takes only 6 ply! > >Hooray for the QuarkCorbit engine...very good work! Some analysis, using Fritz to help: 1...Qxf3! 2.gxf3 Rg6+ 3.Kh1 Bh3 4.Qd3 [4.Rd1? Bg2+ 5.Kg1 Bxf3+ 6.Kf1 Bg2+ 7.Kg1 Be4+ 8.Kf1 Bf5 and mates] 4...f5 5.Rd1 Bg2+ 6.Kg1 Bxf3+ 7.Kf1 Bxd1 8.Qc4+ [8.Ra1 Rge6 9.Kg2 Be2 10.Qxf5 Rf6 -+] [8.Bb2 Rge6 as above] 8...Kh8 9.d4 Bf3 10.Be3 [10.Bf4?? Bg2+ 11.Kg1 Re1+ 12.Qf1 Rxf1 #] 10...Rge6 [or 10...Bd5 11.Qa6 f4 -+] 11.Qd3 f4 12.Qf5 Bd5 -+
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