Author: Edward Screven
Date: 13:33:48 03/20/99
Go up one level in this thread
On March 19, 1999 at 18:13:53, Bruce Moreland wrote: > >If you let it go longer I predict that you will eventually get a fail high and >black will as a result play 1. ... Rxd8 instead of 1. ... Qxb5, allowing white >to win the queen, with a score of +2 or more. > >1. ... Qxb5 does not lead to a perpetual check. > >If you want to look it up, it is on page 180 of the Sep '93 ICCAJ. > >bruce my own program does eventually switch to 1. ...Rxd8, but it takes a while (pentium 133.) - edward 1.91 8 -0.41 fxe3 axb5 Rb2 Qa3 Rxb5 Qxa2 Kf2 Ra8 Rb7 4.73 9 -0.43 fxe3 axb5 Kf2 Qc4 Qa6 e5 Qc6 13.51 10 -0.40 fxe3 axb5 Rd7 Qa5 Kf2 b4 Qc4 Ra8 a3 bxa3 Rxf7 20.39 10 > -0.39 Rd8 24.34 10 +0.00 Rd8 Bxf2+ Kxf2 Qxb5 Qd6 Re8 a4 Qf5+ Kg1 Qb1+ Kg2 Qe4+ Kf2 Qf5+ 34.46 11 +0.00 Rd8 Bxf2+ Kxf2 Qxb5 Qd6 Re8 a4 Qf5+ Kg1 Qb1+ Kg2 Qe4+ Kf2 Qf5+ 63.57 12 +0.00 Rd8 Bxf2+ Kxf2 Qxb5 Qd6 Re8 a4 Qf5+ Kg1 Qb1+ Kg2 Qe4+ Kf2 Qf5+ 2:14 13 +0.00 Rd8 Bxf2+ Kxf2 Qxb5 Qd6 Re8 a4 Qf5+ Kg1 Qb1+ Kg2 Qe4+ Kf2 Qf5+ 5:35 14 > +0.30 Rd8 8:24 14 > +0.80 Rd8 8:56 14 +0.80 Rd8 Bxf2+ Kxf2 Qxb5 Qd6 Qf5+ Kg1 Qb1+ Kg2 Qe4+ Kh3 Qf5+ g4 Qf1+ Kg3 Qe1+ Kf3 Qf1+ Ke3 Qh3+ Kd4 e5+ Kd5 Qg2+ Kc5 Qg1+ Kc6 Qh1+ 16:41 15 > +1.10 Rd8 20:57 15 > +1.60 Rd8 26:10 15 +1.74 Rd8 Rxd8 Rd5 Qd4 Rxd4 Bxd4 Qxa6 Bf6 a4 h5 a5 40:10 16 +1.76 Rd8 Rxd8 Rd5 Qd4 Rxd4 Bxd4 Qxa6 Bc3 Kg2 g6 a4 final 60:00 16. +1.76 Rd8 Rxd8 Rd5 Qd4 Rxd4 Bxd4 Qxa6 Bc3 Kg2 g6 a4
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