Tuesday, 10 March 2009

Chess Podcast 21 - Endgame 5

video

Chess Podcast 21 - Endgame 5

: This is a three pawns versus Rook endgame study by Lehner from 1887, with a win proof by Kopayev.

There are 3 segments to the video and the pgn for each follows.

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Section 1 - 1...Kh7 [1...h2 2.Rh8+ Kg7 3.Rxh2; 1...f4+ 2.Kxf4; 1...g3 2.Rxg3; 1...Kh5 2.Kf4 Kh6 3.Kxf5] 2.Rg5 Kh6 3.Rxf5 h2 4.Rf1 g3 5.Kf3 1-0

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Section 2 - 1.Kf4 Kh7 [1...Kh5; 1...h2] 2.Rg5 Kh6 3.Rg8 [3.Kxf5 h2 4.Rg6+ Kh7; 3.Rxf5 h2 4.Rf6+ Kg7] 3...Kh7 4.Ra8 Kg7 [4...Kg6 5.Rf8 h2 (5...Kh6 6.Rf6+ Kg7 7.Rxf5) 6.Rh8] 5.Ra6 Kf7 [5...Kh7 6.Kg5 Kg7 7.Ra7+ Kg8 8.Kf4 Kf8 9.Ra5] 6.Rh6 Kg7 7.Rh5 Kg6 8.Rg5+ [8.Rxf5 h2 9.Rg5+ Kh6 10.Rg8 Kh7] 8...Kh6 9.Rg8 Kh7 10.Ra8 Kg7 ½–½

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Section 3 - 1.Ke2 Kh5 2.Kf2 Kh4 [2...Kh6 3.Ke3] 3.Rg7 f4 [3...Kh5 4.Ke3 Kh6 (4...Kh4 5.Kf4 Kh5 6.Kxf5 Kh4 7.Kf4 Kh5 8.Kg3) 5.Rg8] 4.Rh7+ Kg5 5.Kg1 Kf5 6.Kh2 Ke4 7.Rg7 Kf3 8.Rg8 Ke2 9.Rxg4 f3 10.Re4+ Kf1 11.Kg3 [11.Kxh3 f2 12.Re5 Kg1 13.Rg5+ Kh1 14.Kg3] 11...f2 [11...h2 12.Kxh2 f2 13.Rf4 Ke1 14.Kg2] 12.Rf4 h2 13.Rxf2+ Kg1 14.Rxh2 1-0

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