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Subject: Re: Zugzwang (Monarch < 1 sec)

Author: Steve Maughan

Date: 08:27:55 09/10/04

Go up one level in this thread


On September 10, 2004 at 10:18:30, Mihaly Szalai wrote:

>From the game Jung - Szabados (1952)
>
>[D]8/6B1/p5p1/Pp4kp/1P5r/5P1Q/4q1PK/8 w - - 0 32
>
>32. Qxh4! Kxh4 33. Bf6+ g5 34. Bc3!!
>
>Hiarcs 9 have problems with it even after 20 minutes.
>
>Show it to your engine.

Monarch 1.0 solved in < 1 sec on a 2 GHz P4

Engine: Monarch 1.0 (32 MB)
by Steve Maughan

7/17   0:00   +0.17    1.Bf6+ Kxf6 2.Qxh4+ Kg7 3.Qd4+ Kh6
                       4.Qh8+ Kg5 5.Qa8 Qe5+ 6.g3 Qd4 (27.274)

7/17   0:00   +0.18++  1.Qxh4+ (38.571)

7/17   0:00   +2.90    1.Qxh4+ Kxh4 2.Bf6+ g5 3.Bc3 Qf2
                       4.Be5 Qxg2+ 5.Kxg2 g4 (39.933)

8/15   0:00   +2.90    1.Qxh4+ Kxh4 2.Bf6+ g5 3.Bc3 Qf2
                       4.Be5 Qxf3 5.gxf3 g4 (47.533)

9/18   0:00   +3.15++  1.Qxh4+ (120.048)

9/22   0:01   +4.14    1.Qxh4+ Kxh4 2.Bf6+ g5 3.Bc3 Qf2
                       4.Be5 Qg1+ 5.Kxg1 g4 6.f4 g3 (1.446.056)

10/17  0:01   +4.16    1.Qxh4+ Kxh4 2.Bf6+ g5 3.Bc3 Qf2
                       4.Be5 Qg1+ 5.Kxg1 g4 6.Bd4 gxf3
                       7.gxf3 (1.525.680) 852

11/19  0:01   +4.16    1.Qxh4+ Kxh4 2.Bf6+ g5 3.Bc3 Qf2
                       4.Be5 Qg1+ 5.Kxg1 g4 6.Bf4 gxf3
                       7.gxf3 Kh3 (1.679.064) 845

12/20  0:02   +4.22    1.Qxh4+ Kxh4 2.Bf6+ g5 3.Bc3 Qf2
                       4.Be5 Qg1+ 5.Kxg1 g4 6.f4 g3 7.f5 Kg4
                       8.f6 (1.979.376) 840

13/21  0:03   +4.20    1.Qxh4+ Kxh4 2.Bf6+ g5 3.Bc3 Qf2
                       4.Be5 Qg1+ 5.Kxg1 g4 6.f4 g3 7.f5 Kg4
                       8.f6 h4 (2.576.591) 840

14/23  0:04   +4.24    1.Qxh4+ Kxh4 2.Bf6+ g5 3.Bc3 Qf2
                       4.Be5 Qg1+ 5.Kxg1 g4 6.Bf4 gxf3
                       7.gxf3 Kh3 8.Bd6 h4 9.f4 (3.912.265) 860

15/24  0:07   +4.24    1.Qxh4+ Kxh4 2.Bf6+ g5 3.Bc3 Qf2
                       4.Be5 Qg1+ 5.Kxg1 g4 6.Bf4 gxf3
                       7.gxf3 Kh3 8.Bd6 h4 9.f4 Kg4 (6.264.264) 882

16/26  0:12   +4.24    1.Qxh4+ Kxh4 2.Bf6+ g5 3.Bc3 Qf2
                       4.Be5 Qg1+ 5.Kxg1 g4 6.Bf4 gxf3
                       7.gxf3 Kh3 8.Bd6 h4 9.f4 Kg4 10.Be5 (10.975.630) 881




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