Author: Ricardo Gibert
Date: 07:20:57 11/16/00
Go up one level in this thread
On November 16, 2000 at 07:15:54, Jeremiah Penery wrote: >On November 16, 2000 at 05:38:30, allan johnson wrote: > >>On November 16, 2000 at 05:34:46, allan johnson wrote: >> >>>On November 16, 2000 at 05:30:40, allan johnson wrote: >>> >>>>Could people let me know how their programmes handle this end game >>>>position? >> [D]1R6/2pk4/1P6/8/3r4/K7/P7/8 w - - > >>>> The key move is 1Rd8+ KxR 2b7 Rb4 3KxR Pc5+ 4Kb5 wins.I'm keen to see >>>>whether Rebel, CM8000 et.al.can solve this difficult end game.I doubt >>>>that they can given the number of moves they would have top see in advance. > >It seems to me that black may be able to draw by setting up sort of a fortress >with 1. Rd8+ Kxd8 2. b7 Kd7! 3. b8=Q Rd6. If anything, it takes a very long >time for white to accomplish anything, and the only way to progress is to >advance the a-pawn, which is hard for him to do. A few sample lines shows Black is unable to put up significant resistance: 1.Rd8+ Kxd8 2.b7 Kd7 3.b8Q Rd6 4.Qa8 Rb6 5.Ka4 Kd6 6.Ka5 Kd7 7.a3 Kd6 [7...Rd6 8.Kb5 Rb6+ 9.Kc5] 8.Qe8 Kc5 [8...Rb3 9.Qg6+ Kc5 10.Qf5+ wins; 8...Rb7 9.Ka6 (or 9.Qd8+) Rb6+ 10.Ka7 Kc5 11.a4 Kd6 12.a5 Rc6 13.Kb7 Rc5 14.Qf8+ wins] 9.Qd7 Rc6 10.a4 wins
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