Author: Albert Silver
Date: 11:57:27 11/10/04
Go up one level in this thread
On November 10, 2004 at 13:37:23, John Merlino wrote:
>On November 10, 2004 at 12:11:55, Albert Silver wrote:
>
>>The following position was played in absolutely brilliant fashion by GM
>>Averbakh. The endgame was showed by Yar (many thanks) and does provide a good
>>test position to boot.
>>
>>[Event "URS-ch sf"]
>>[Site ""]
>>[Date "1973"]
>>[Round ""]
>>[White "Makarichev Sergey"]
>>[Black "Averbakh Yuri L"]
>>[Result "0-1"]
>>[Eco "C44"]
>>[Annotator ""]
>>[Source "EXT 2001"]
>>[SetUp "1"]
>>[FEN "8/2p5/5p1p/5Bp1/3k4/2p2PbP/4K1P1/8 b - - 0 45"]
>>
>>45...Ke5 46.Bc2 Kf4 47.Bb1 Bh2 48.Kf2 Bg1+ 49.Ke2 Kg3 50.Kf1
>>Bf2 51.Bc2 f5 52.Bb1 f4 53.Bg6 Be3 54.Bc2 h5 55.Bf5 c5 56.Bg6
>>h4 57.Bf5 g4 58.hxg4 h3 59.gxh3 Kxf3 60.g5 Kg3 61.g6 Bd4 62.h4
>>f3 63.h5 Bg7 64.Ke1 f2+ 0-1
>>
>>I doubt very much an engine can reach the key position, though it's possible,
>>but the key position alone should provide a good endgame challenge for the
>>engines:
>>
>>[D]8/8/8/2p2Bp1/5p1p/2p1bPkP/6P1/5K2 b - - 0 57
>>
>>And the winning move is 57...g4!!
>>
>>Albert
>
>In the line that was played in the game, how does Black win after 62.Ke2?
>
>jm
Sorry, I got the diagram after 62.Ke2 wrong. Here is the fixed post:
One of the key factors in this endgame are the doubled c-pawns. The fact that
there are two ensures the win. Look at it this way: if I bring my king over to
the c-pawn and force you to sacrifice the bishop for it (you can't guard both
the f-pawn AND the c-pawn due to the distance between the two) I still have a
second c-pawn to queen with. So a sample continuation after 62.Ke2 might be:
[D]8/8/6P1/2p2B2/3b1p2/2p3kP/4K3/8 b - - 0 62
62...f3+
a) 63.Kf1 Kf4 64.Bb1 Ke3 65.h4 (what else? 65.Ke1 f2+ 66.Kf1 Kd2 67.h5 Bg7! is
no better) Kd2 66.h5 Bg7 67.c2 0-1
b) 63.Ke1 Kf4 64.Bb1 Ke3 65.h4 (transposing to the note in parentheses above)
f2+ 66.Kf1 Kd2 67.h5 Bg7 0-1
Albert
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