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Subject: Re: Easy test endgame position

Author: John Merlino

Date: 10:30:29 05/24/04

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On May 24, 2004 at 10:20:39, Andrew Wagner wrote:

>The position is: [d]8/2b5/p1k3p1/4p2p/2P1P2P/2B1K1P1/8/8 b - -
>
>Would your engine be able to hold a draw against a "beginner" chess engine? Be
>sure you avoid the terrible a5?? This is an easy one, folks...
>
>
>Full game:
>
>[Event "ICC 60 30"]
>[Site "Internet Chess Club"]
>[Date "2004.05.23"]
>[Round "-"]
>[White "DIEP"]
>[Black "crafty"]
>[Result "0-1"]
>[ICCResult "White resigns"]
>[WhiteElo "2540"]
>[BlackElo "2740"]
>[Opening "English: Neo-Catalan declined"]
>[ECO "A05"]
>[NIC "RE.09"]
>[Time "17:54:13"]
>[TimeControl "3600+30"]
>
>    1.Nf3 Nf6 2.g3 d5 3.Bg2 e6 4.O-O Be7 5.c4 O-O 6.b3 c5 7.e3 Nc6 8.Bb2 b6
>9.Nc3 Bb7 10.cxd5 Nxd5 11.Nxd5 Qxd5 12.d4 Rad8 13.Ne5 Qd6 14.Nxc6 Bxc6 15.Qg4
>cxd4 16.Bxd4 g6 17.Bxc6 Qxc6 18.Rac1 Qb7 19.Qf4 Rd6 20.Bb2 Rfd8 21.h4 Qa6 22.a4
>Qe2 23.Bd4 f6 24.Rfe1 Qa2 25.Rc7 e5 26.Qe4 R6d7 27.Rxd7 Rxd7 28.Qc6 Rd8 29.Qe6+
>Kf8 30.Bc3 Qc2 31.Qc4 a6 32.Re2 Qd3 33.Rd2 Qxc4 34.Rxd8+ Bxd8 35.bxc4 Ke7 36.e4
>h5 37.Kf1 Kd6 38.Ke2 Kc5 39.Kd3 Bc7 40.f3 f5 41.Bd2 fxe4+ 42.fxe4 Bd6 43.Bc3 Bc7
>44.Be1 Bd8 45.Bd2 Kc6 46.Bc3 Bc7 47.Kc2 Kd7 48.Kd2 Bd6 49.a5 bxa5 50.Bxa5 Bc5
>51.Ke2 Bd4 52.Kf3 Kc6 53.Bb4 Bb6 54.Bc3 Bc7 55.Ke3 {diagram above} a5 56.Kd3 a4
>57.Bb2 Bd6 58.Kc2 Kd7 59.c5 Bxc5 60.Bxe5 Ke6 61.Bf4 Bd4 62.Kc1 Ke7 63.Kc2 Ke6
>64.Kc1 Kd7 65.Kb1 Kc6 66.Ka2 Bg7 67.Ka3 Kc5 68.Kxa4 Kd4 69.Bg5 Kxe4 70.Kb3 Be5
>71.Kc2 Bxg3 72.Kd1 Kf3 73.Bf6 Kg4 74.Ke2 Bxh4 75.Bd4 Kh3 76.Kf1 g5 77.Be5 g4
>{White resigns} 0-1

Confused. You say to avoid a5 and "hold the draw", but in the actual game Black
played a5 and won.

jm



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