Author: Steffen Jakob
Date: 04:56:00 12/22/01
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On December 22, 2001 at 07:47:24, José Carlos wrote: >On December 22, 2001 at 07:12:00, Steffen Jakob wrote: > >>Hi! >> >>I ran the JenoBan endgame test suite which I got from Lyapko Georges web server >>(http://www.geocities.com/lyapko/jenoban.htm). This is position #79 (the id tag >>is missing in the epd file from this server): >> >>r2k1B2/7R/p7/8/8/8/8/4K3 w - - bm Bc5; (JenoBan_TofE) #79 white_wins >> >>[D]r2k1B2/7R/p7/8/8/8/8/4K3 w - - >> >>Hossa switches between Bb4 and Bc5 but both with a drawish score. Crafty prefers >>Bd6 on my machine, also with a drawish score. Can someone please explain why Bc5 >>is the best move here and how it wins? Or is this position broken? >> >>Greetings, >>Steffen. > > After analyzing for a while with Averno, I believe the position is drawn. Hmm, I think this is the winning idea: 1. Bc5 Rc8 2. Bb6+ Ke8 3. Bc7 Now black can only move his pawn 3... a5 4. Kd1 a4 5. Kc1 a3 6. Kb1 a2+ 7. Ka1! +- and 1. Bc5 Kc8 2. Ba7 with the same pattern as above: +- Greetings, Steffen. > > José C.
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