Author: martin fierz
Date: 19:08:02 09/08/02
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On September 08, 2002 at 20:45:09, Uri Blass wrote: >[D]r1b4k/1p1p3p/1Pp1p1pP/P3P1P1/5P2/8/6K1/3RB3 b - - 0 72 > >This position happened in the game movei-averno >My question is if it is a win for white or a draw. > >Black may try to get freedom for the pieces by sacrificing a pawn >(for example 72...d5) > >In the game black did not do it and lost. >Note that white has also ideas like f5 exf5 Rxf5. > >The question is if black could save the game and if black could do it what was >the losing mistake of black in the game cool position! i think black is lost. in the game, black loses because the white king reaches c7. once the king is there, the threat of a6 ra6 b7 wins the game. my answer to your question is: black loses if he never plays d5, as in the game. so will have to play d5 at some point and hope that the defensive setup of (after d5 exd6) Bd7,Ra6,Kf7 holds. however, it seems to me that black gets into zugzwang with white Ke5, Ra1, Bb4. if the bishop moves, d7 Bxd7 Kd6 c5 a6! looks winning for white. if you never play d5, white has lots of motives including either K->c7 or f5-g6-h7 or a6, and it seems that black has no defensive setup to prevent all of them. aloha martin >72...Kg8 73.Bb4 Ra6 74.Kf3 Ra8 75.Ke3 Rb8 76.Rh1 Kf7 77.Rc1 Ra8 78.Ke4 Ra6 >79.Rd1 Ke8 80.Ra1 Ra8 81.Kd4 Kd8 82.Kc5 Rb8 83.Rc1 Ke8 84.Kd6 Ra8 85.Kc7 Kf7 >86.Bc5 Kg8 87.a6 bxa6 88.Rd1 a5 89.b7 Bxb7 90.Kxb7 Re8 91.Rxd7 Kh8 92.Be7 Rxe7 >93.Rxe7 Kg8 94.Kxc6 Kf8 95.Rxe6 Kf7 96.Kd7 a4 97.Re7+ Kg8 98.Re8+ Kf7 99.e6# >White mates 1-0 > >Uri
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