Author: Miguel A. Ballicora
Date: 10:17:11 12/27/01
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On December 27, 2001 at 11:13:40, Sune Larsson wrote: > > [D]8/3k2p1/4pp2/1p2PP2/1PpP2P1/8/4K3/8 w - - 0 35 > > This position is from a game Rocha - Spraggett, 1999. > White is worse here and there are several ways for him to > lose this position. Hecht, in his commentaries, even thought > that the key move is the only way for white to make the draw. > This ending is tricky, so I'm not 100% sure that Hecht is correct. I think he is correct. Black threats 1.. fxe5 2. dxe5 exf5 3. gxf5 and now the plan is simple, Ke7-Kf7 and then g5! My program Gaviota has not clue in this position (I'd be surprised if it has any). This is a great position and I will keep it for teaching gaviota how to play pawn endgames. Thanks! Miguel > Anyway, white has a simple and straight forward way to secure the draw. > > Theme - pawn ending: One protected passer can hold his own vs two connected. > > > Test: Programs with some of this knowledge should evaluate the position > after 1.d5! as 0.00 or close to it. > > >[Event "Boavista Masters"] >[Site "Porto"] >[Date "1999.12.31"] >[Round "5"] >[White "Rocha, Sergio"] >[Black "Spraggett, Kevin"] >[Result "1/2-1/2"] >[ECO "C02"] >[WhiteElo "2427"] >[BlackElo "2521"] >[Annotator "Hecht"] >[SetUp "1"] >[FEN "8/3k2p1/4pp2/1p2PP2/1PpP2P1/8/4K3/8 w - - 0 35"] >[PlyCount "12"] >[EventDate "1999.12.27"] > >35. d5 $1 exd5 36. e6+ Ke7 37. Ke3 c3 38. Kd3 d4 39. Kc2 g5 40. Kd3 Kd6 1/2-1/2 > >Sune
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