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Subject: Re: Mate in 4...........Too Difficult For Most Dedicated Machines

Author: Daniel Mehrmannn

Date: 17:24:11 01/11/06

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On January 11, 2006 at 18:43:56, Rob Basham wrote:

>[D]2r3k1/1r3p1p/4p1p1/ppqbP1B1/3R3Q/P1P5/1P4PP/1K3R2 w - - 0 1
>
>
>Fritz8 takes 80 seconds to find....Qxh7+......P3-850
>
>
>Novag Sapphire 2 does not find it after 4 min.
>
>regards
>
>Rob

Homer 1.1 beta3 by Daniel Mehrmann, http://www.homer-chess.com,
info@homer-chess.de
CPU0: AuthenticAMD x86 Family 6 Model 10 Stepping 0 2191 MHz
GUI: Tablebases with 0 pieces found! [Cache: 64 MB + internal 0.00 MB]
Engine: Homer 1.02 (64 MB)
by Daniel Mehrmann
  1/12	 0:00 	+0.44 	5.Qxd8+ (2.706)
  2/02	 0:00 	+0.44 	5.Qxd8+ Kxd8 (2.747)
  3/13	 0:00 	+0.27 	5.Qxd8+ Kxd8 6.Nc3 Nf6 (6.896) 431
  4/11	 0:00 	+0.64 	5.Qxd8+ Kxd8 6.Nc3 Be7 7.Be3 (9.657) 311
  5/17	 0:00 	+0.45 	5.Bd3 Nf6 6.O-O Bc5 7.Nc3 (33.943) 311
  6/16	 0:00 	+0.76 	5.Qxd8+ Kxd8 6.Nc3 Bg4 7.Bg5+ Be7 8.Bxe7+ Kxe7 9.O-O-O Bxf3
10.gxf3 (76.226) 304
  7/20	 0:00 	+0.79 	5.Qxd8+ Kxd8 6.Nc3 Nf6 7.Bg5 Bd7 8.O-O-O Bc5 9.Bxf6+
(137.869) 315
  8/22	 0:00 	+0.63 	5.Qxd8+ Kxd8 6.Bc4 Nf6 7.O-O Nxe4 8.Rd1+ Ke8 9.Be3
(325.332) 331
best move: Qd1xd8 time: 0:01.297 min  n/s: 331.295  nodes: 325.332
Position:  0 1
uci(): moves command without moves!,  rc = 1
  1/10	 0:00 	+4.43 	1.Qxh7+ (4.996) 333
  2/02	 0:00 	+4.43 	1.Qxh7+ Kf8 (5.045) 336
  3/14	 0:00 	+0.58 	1.Rf2 h5 2.Bh6 (23.403) 300
  4/13	 0:00 	+0.50 	1.Be3 Qc7 2.Qg3 Rb6 (55.708) 297
  5/16	 0:00 	+0.39 	1.Rf2 h5 2.g4 b4 3.axb4 axb4 (125.487) 321
  6/18	 0:01 	+0.25 	1.Bh6 Qe7 2.Qh3 Rd7 3.Be3 (374.291) 328
  7/18	 0:01 	+0.35 	1.Bh6 Qe7 2.Qg4 Rbc7 3.Bg5 Qc5 (585.906) 324
  8/16	 0:02 	+0.30 	1.Bh6 Qe7 2.Qg3 Rd7 3.Bg5 Qc5 4.Qh4 (677.762) 326
  8/19	 0:02 	+0.85++	1.Qxh7+ (885.243) 329
  8/21	 0:02 	+4.90 	1.Qxh7+ Kxh7 2.Rh4+ Kg8 3.Bf6 Be4+ 4.Ka1 Qxa3+ 5.bxa3 Re7
6.Bxe7 Bxg2 (923.852) 331
  8/21	 0:02 	+4.90 	1.Qxh7+ Kxh7 2.Rh4+ Kg8 3.Bf6 Be4+ 4.Ka1 Qxa3+ 5.bxa3 Re7
6.Bxe7 Bxg2 (935.256) 331
  9/20	 0:02 	+5.40++	1.Qxh7+ (970.724) 331
  9/20	 0:03 	  +M6 	1.Qxh7+ Kxh7 2.Rh4+ Kg8 3.Bf6 Be4+ 4.Ka1 Qxa3+ 5.bxa3 Re7
6.Rh8+ (1.202.181) 331
  9/20	 0:12 	  +M6 	1.Qxh7+ Kxh7 2.Rh4+ Kg8 3.Bf6 Be4+ 4.Ka1 Qxa3+ 5.bxa3 Re7
6.Rh8+ (3.771.285) 313
 10/12	 0:13 	  +M6 	1.Qxh7+ Kxh7 2.Rh4+ Kg8 3.Bf6 Be4+ 4.Ka1 Qxa3+ 5.bxa3 Re7
6.Rh8+ (4.228.210) 319
best move: Qh4xh7 time: 0:14.734 min  n/s: 320.370  nodes: 4.423.680



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