Author: Uri Blass
Date: 01:28:39 09/03/02
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On September 02, 2002 at 16:56:14, K. Burcham wrote: > >Deep Fritz7 > >[D] 8/P3R3/8/3p4/3kpK2/8/8/r7 w - - 0 1 > >1.Rb7 e3 2.Kf3 Ra2 3.Re7 Rf2+ 4.Kg4 Rf8 5.Rb7 Ra8 >6.Kf3 Kd3 7.Rb3+ Kd2 8.Rb2+ Kc3 9.Rb7 d4 10.Ke2 > > [D] r7/PR6/8/8/3p4/2k1p3/4K3/8 b - - 0 1 > >10...Kc4 11.Rc7+ Kb5 12.Rb7+ Kc6 13.Rb4 d3+ 14.Kxe3 d2 15.Kxd2 Rxa7 > = (0.00) Depth: 21/53 00:05:52 458204kN, tb=349709 >10...Kc4 11.Rc7+ Kb5 12.Rb7+ Kc6 13.Rb4 d3+ 14.Kxe3 d2 15.Kxd2 Rxa7 > = (0.00) Depth: 22/65 00:12:16 993578kN, tb=714385 >10...Kc4 11.Rc7+ Kb5 12.Rb7+ Kc6 13.Rb4 d3+ 14.Kxe3 d2 15.Kxd2 Rxa7 > = (0.00) Depth: 23/75 00:26:09 2199452kN, tb=1471075 > >kburcham I see that Rb7 is leading to a draw so the position is going to be included in the test suite that I plan(it is easy for a lot of programs but not for movei that knows almost nothing). The remaining question is the solution for this position. It is clear that 1.Rb7 is a solution but I have no list of all the solutions(I suspect that other moves like 1.Rh7 may also lead to a draw). Uri
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