Author: James T. Walker
Date: 16:42:55 12/19/00
Go up one level in this thread
On December 19, 2000 at 12:11:40, Vincent Lejeune wrote: >On December 19, 2000 at 09:24:34, Vincent Lejeune wrote: > >>On December 19, 2000 at 07:37:49, Ed Schröder wrote: >> >>>On December 19, 2000 at 06:17:39, Harald Faber wrote: >>> >>>>On December 19, 2000 at 04:59:14, Jouni Uski wrote: >>>> >>>>>Really, how can black win?? >>>>> >>>>>Jouni >>>> >>>>1...Rc7+ 2.Kg8 Rc8+ 3.Kg7 Rh8!! 4.Kxh8 Kf7 over and out, black only moves >>>>Kf7-f8-f7 until white has to move the b-pawn. >>>>Sooner or later white has to take the rook, e.g. 2.Kh6 Rc8 3.Kg6/g7 Rh8 again. >>> >>>Why should white capture the rook? >>> >>>Ed >> >>I've analysed the position some minutes ago : >>White is not forced to take the rook right here but after some moves : >>3..Rh8 4. Kg6 Ke7 5. Kg7 Ke8 6. Kg6 Kf8! and white is in zugzwang (forced to >>push his pawns !) and black can repeat this sequence (5. h3 6.Ke7 7. Kg7 Ke8 8. >>Kg6 Kf8!, analyzed with help of CHessTiger 13.0) >> >>The winning line is very long >> >>A more rational question is : what program find a score > 1 for white in this >>position : > >score > 1 for black, not for white ! > >> >>[d] 7r/4k2P/6K1/8/p7/P7/1P5P/8 w - - 0 1 >> >>Vincent Hiarcs 7.32 goes to -1.71 at 1:37 on my Athlon 900 with Rh8 at move 3. After that it depends on what white does but I feel certain that any program that plays Rh8 will win with the black pieces. Jim
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