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Subject: Re: How long does it take your engine to find the mate in 4?

Author: K. Burcham

Date: 17:30:31 12/30/03

Go up one level in this thread




>"But the winner is the tactical monster Fritz 5.32, who finds the mate in 1 second".


 [D] r2qk2r/pp1nbRpp/4Q3/1B6/8/3p4/PPP3PP/5RK1 w kq -

Here are four that will show mate in 0 sec.

Shredder 7.04

  8/31	 0:00 	  +M4 	1.Kh1 h6 2.Rxg7 Rf8 3.Qg6+ Rf7 4.Qxf7+ (387.402) 459.0
best move: Kg1-h1 time: 0:00.859 min  n/s: 459.090  CPU 99.8%  nodes: 387.472

Ruffian 1.0.5
Perola Valfridsson

 10/30	 0:01 	+12.31	1.Re1 Qb6+ 2.Qxb6 axb6 3.Rexe7+ Kd8 4.Rxd7+ Kc8 5.Rc7+ Kb8
6.Rxb7+ Kc8 7.Rfc7+ Kd8 8.Rc4 d2 9.Rd7+ Ke8 10.Ra7+ Kd8 11.Rd4+ Kc8 12.Rxa8+ Kb7
13.Rxh8 (2.970.786) 1822.5
 10/30	 0:02 	  +M4 	1.Kh1 dxc2 2.Rxg7 Rf8 3.Rxf8+ Kxf8 4.Qf7+ (4.512.992)
1888.2
 11/30	 0:02 	  +M4 	1.Kh1 dxc2 2.Rxg7 Rf8 3.Rxf8+ Kxf8 4.Qf7+ (4.665.043)
1881.0
 12/30	 0:02 	  +M4 	1.Kh1 dxc2 2.Rxg7 Rf8 3.Rxf8+ Kxf8 4.Qf7+ (4.862.093)
1862.8

ChestUCI Ver.3.1
Franz Huber

CPU: 2166mhzAMD
FEN: r2qk2r/pp1nbRpp/4Q3/1B6/8/3p4/PPP3PP/5RK1 w kq -
Search for Mate in 23 ...  (Hash=192MB)
Search completed ...  (Time=0.11s)
Mate in 4 found !  (1 Solution in 00:00)
  4/04	 0:00 	  +M4 	1.Kh1 a5 2.Rxg7 Rf8 3.Rxf8+ Kxf8 4.Rg8+ 423.6
best move: Kg1-h1 time: 0:00.266 min  n/s: 423.688  nodes: 46.182

Chess Tiger 14.0:

1.Kh1
  +-  (8.42)   Depth: 7   00:00:00  317kN
1.Kh1 dxc2 2.Rxg7 Rf8 3.Rxf8+ Kxf8 4.Rg8#
  +-  (#4)   Depth: 7   00:00:00  697kN

List 504:

1.Re1 Qb6+ 2.Qxb6 axb6 3.Rexe7+ Kd8 4.Rxd7+ Kc8 5.Rc7+ Kb8 6.Rxb7+ Kc8 7.Rfc7+
Kd8 8.Rc3 h5 9.Rd7+ Ke8 10.Ra7+ Kf8 11.Rxa8+ Ke7 12.Rc7+ Kd6 13.Rc6+ Kd5
  +-  (13.55)   Depth: 11   00:00:00  1552kN
1.Kh1!
  +-  (13.95)   Depth: 11   00:00:02  4761kN
1.Kh1! g5 2.Rg7 Rf8 3.Rxf8+ Kxf8 4.Rg8#
  +-  (#4)   Depth: 11   00:00:02  4919kN

Fritz 5.32:

1.Re1! Qb6+ 2.Qxb6 axb6 3.Rexe7+ Kd8 4.Rxd7+ Kc8 5.Rc7+ Kd8
  +-  (5.53)   Depth: 6/21   00:00:00  38kN
1.Kh1!
  +-  (5.56)   Depth: 6/25   00:00:00  134kN
1.Kh1! dxc2 2.Re1 c1Q 3.Rxe7+ Qxe7 4.Qxe7#
  +-  (#4)   Depth: 6/28   00:00:00  416kN




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