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Subject: Re: Intelligent software, please

Author: Mogens Larsen

Date: 06:19:00 11/26/01

Go up one level in this thread

On November 25, 2001 at 15:14:16, Victor Fernandez wrote:

>Yes, an example: an ending with few pieces .
>
>Kotov-Botvinnik
>
>8/8/4b1p1/2Bp3p/5P1P/1pK1Pk2/8/8 b - - 0 1
>
>The correct move is ...g5 !!! Few programs play this.

Gandalf 5.0a on a P3-866MHz finds the move reasonably fast.

Engine: Gandalf 5.0a
by Steen Suurballe
  6.00	 0:00 	+0.62 	1...Kg3 2.Be7 d4+ 3.exd4 Kxf4 4.Bg5+ Ke4 5.Bc1 (5.721)
  7.00	 0:00 	+0.67 	1...Kg3 2.Be7 d4+ 3.exd4 Kxf4 4.Bg5+ Kg3 5.Kb2 Kf3 (12.906)
  8.00	 0:00 	+0.62 	1...Kg3 2.Be7 d4+ 3.exd4 Kxf4 4.Bg5+ Kf3 5.Be7 Ke4 6.Ba3
(30.496) 304.9
  8.00	 0:00 	+0.64 	1...g5 (50.247) 251.2
  8.00	 0:00 	+0.65 	1...g5 2.fxg5 Kg3 3.Bd6+ Kxh4 4.Bf4 Kg4 5.Kxb3 h4 (73.535)
367.6
  9.00	 0:00 	+0.57 	1...g5 2.fxg5 Kg3 3.Kxb3 Kxh4 4.Kc3 Kg4 5.g6 Kg5 (113.716)
284.2
  9.00	 0:00 	+0.59 	1...Kg3 (123.783) 309.4
  9.00	 0:00 	+0.68 	1...Kg3 2.Be7 d4+ 3.exd4 Kxf4 4.Bg5+ Kg3 5.Be7 Bd5 6.Bg5
Kf3 (175.796) 292.9
 10.00	 0:00 	+0.62 	1...Kg3 2.Be7 d4+ 3.exd4 Kxf4 4.Bg5+ Kg3 5.Be7 Kf2 6.Bg5
Kf3 (211.592) 302.2
 11.00	 0:00 	+0.68 	1...Kg3 2.Be7 d4+ 3.exd4 Kxf4 4.Bg5+ Kg3 5.Be7 Bd5 6.Bf6
Kf3 7.Be7 Ke2 (295.592) 328.4
 12.00	 0:01 	+0.65 	1...Kg3 2.Be7 d4+ 3.exd4 Kxf4 4.Bg5+ Kg3 5.Be7 Bd5 6.Bf6
Kf3 7.Be7 Kg4 8.Bg5 (570.030) 335.3
 13.00	 0:04 	+0.65 	1...Kg3 2.Be7 d4+ 3.exd4 Kxf4 4.Bg5+ Kg3 5.Be7 Bd5 6.Bf6
Kf3 7.Be7 Kg4 8.Bg5 Kg3 (1.459.923) 317.3
 14.00	 0:12 	+0.65 	1...Kg3 2.Be7 d4+ 3.exd4 Kxf4 4.Bg5+ Kg3 5.Be7 Bd5 6.Bf6
Kf3 7.Be7 Ke4 8.Bg5 b2 9.Kxb2 Kxd4 (4.255.194) 329.8
 14.00	 0:18 	+0.67 	1...g5 (6.040.851) 321.3
 14.00	 0:25 	+0.83 	1...g5 2.fxg5 d4+ 3.exd4 Kg3 4.d5 Bxd5 5.Ba3 Kxh4 6.Kd4 Be6
7.Ke5 Kg4 8.g6 Kg5 (8.147.661) 325.9
 15.00	 0:35 	+0.72 	1...g5 2.fxg5 d4+ 3.exd4 Kg3 4.d5 Bxd5 5.Ba3 Kxh4 6.Kd4
Kxg5 7.Kxd5 h4 8.Bb2 h3 9.Be5 (11.305.193) 319.3
 16.00	 1:36 	+1.00 	1...g5 2.fxg5 d4+ 3.Bxd4 Kg3 4.g6 Kxh4 5.Kd3 Kg4 6.e4 h4
7.Ke3 h3 8.Kf2 Kf4 9.e5 Ke4 (30.397.916) 315.3
 17.00	 7:14 	+1.39 	1...g5 2.fxg5 d4+ 3.Bxd4 Kg3 4.g6 Kxh4 5.Kd3 Kg4 6.g7 h4
7.Ke2 Kg3 8.Kf1 h3 9.Be5+ Kf3 10.Kg1 Kxe3 11.Kh2 (127.652.465) 293.9
best move: g6-g5 time: 8:20.157 min  n/s: 293.994  nodes: 127.652.465

Regards,
Mogens

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