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Subject: Re: Tricky pawn endgame

Author: Jeremiah Penery

Date: 11:52:08 08/23/03

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On August 23, 2003 at 02:06:46, Alastair Scott wrote:

>On August 22, 2003 at 14:39:35, José de Jesús García Ruvalcaba wrote:
>
>>It is very easy, black puts his king of f6, then creates a passed pawn with a6
>>and b5, and the captures all white pawns on the kingside. The only thing white
>>can try is to left black with an h-pawn, but that still loses. A posible
>>variation
>>1. gxh5? Ke7 2. h4 Kf6 3. Ke4 a6 4. h6 gxh6 5. h5 b5 6. axb5 axb5 7. Kd5 Kxf5 8.
>>Kc5 Kg5 9. Kxb5 Kg4 10. Kc4 Ke3 and black wins
>>White can also try leaving the pawn in h3 or h4, or moving the king first to f4
>>instead of e4, but after 1. gxh5? black wins.
>>José.
>
>Indeed - here is how things actually went:
>
>[Event "Casual Game"]
>[Site "London, United Kingdom"]
>[Date "2003.08.19"]
>[Round "1"]
>[White "Chess Genius for PalmOS 1.6 Zire 71"]
>[Black "Alastair Scott"]
>[Result "0-1"]
>
>1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 Qb6 8.Na4 Qa5+ 9.c3
>cxd4 10.b4 Qc7 11.Nxd4 Nxd4 12.Qxd4 b6 13.Be2 Bb7 14.O-O Be7 15.Qd3 O-O 16.Rad1
>f6 17.exf6 Nxf6 18.Bd4 Ne4 19.Be5 Bd6 20.Bg4 Rae8 21.Bxd6 Nxd6 22.Rde1 Ne4 23.g3
>Qc6 24.b5 Qc4 25.Qxc4 dxc4 26.Bf3 Nd6 27.Bxb7 Nxb7 28.Nb2 Nd6 29.a4 Rf5 30.Rd1
>Ne4 31.Rfe1 Nxc3 32.Rc1 Nd5 33.Nxc4 Rff8 34.Ne5 Re7 35.Nc6 Rc7 36.Rxe6 Rfc8
>37.Kg2 Kf7 38.Rd6 Nb4 39.h3 Nxc6 40.Rdxc6 Rxc6 41.bxc6 Ke6 42.Kf3 Kd6 43.Rd1+
>Kxc6 44.Rc1+ Kd7 45.Rxc8 Kxc8 46.g4 Kd7 47.f5 h5 48.gxh5 Ke7 49.h4 Kf6 50.Kg4 a6

I think 50. Kf4 is better than Kg4, but it seems like either move should be able
to hold a draw in the end.

>51.Kf4 b5 52.axb5 axb5 53.Ke3 Kxf5 54.Kd4 Kg4 55.Kd5 Kxh5 56.Kc5 Kxh4 57.Kb4 Kg3

52. axb5 is a complete blunder immediately losing the game.  Much better is a5.

>58.Kc3 g5 59.Kb4 Kf2 60.Kxb5 g4 61.Kc6 g3 62.Kd5 g2 63.Kd4 g1=Q 64.Kd5 Qg4
>65.Ke5 Ke3 66.Kd5 Qd4+ 67.Ke6 Kf4 68.Ke7 Qb6 69.Kd7 Ke5 70.Ke7 Qc7+ 71.Ke8 Kf6
>72.Kf8 Qc8# 0-1
>
>That said, more skilful players than me have found much subtlety in the position
>:)
>
>Alastair



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