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Subject: Re: Good Test Move for Engines...

Author: bobby palacios

Date: 19:22:27 02/22/03

Go up one level in this thread


On February 22, 2003 at 19:58:16, Art Basham wrote:

>Here the best move for white is Qh5...!
>
>[D]rn3k1r/p3n1pp/2p2p2/4N3/2Np4/8/q4PPP/1R1QR1K1 w - - 0 20
>
>This is an 8 ply move for my old WChess program..found in over three minutes...
>
>Saitek RISC finds it in about 63 seconds...

Chessmaster 9000 is better than Ruffian 1.01 at finding the mate in this
position:

p4 2.47ghz (10 minutes each)



Analysis by Ruffian 1.0.1:


1.Qxd4 Na6 2.Nd7+ Kg8 3.Ra1 Qc2 4.Rxe7 Nb4 5.Rae1 a5
  +-  (3.90)   Depth: 8/23   00:00:01  1815kN
1.Qh5
  +-  (4.36)   Depth: 8/24   00:00:02  2593kN
1.Qh5 fxe5 2.Qxe5 Nd7 3.Qxe7+ Kg8 4.Qxd7 g6 5.Qxd4 a5 6.Rb7
  +-  (5.18)   Depth: 8/24   00:00:02  2990kN
1.Qh5
  +-  (5.53)   Depth: 9/24   00:00:04  3120kN
1.Qh5 fxe5 2.Qxe5 Nd7 3.Qxe7+ Kg8 4.Qxd7 g5 5.Qe6+ Kf8 6.Qf5+ Kg8 7.Qxg5+ Kf8
8.Qf6+ Kg8 9.Qxd4
  +-  (6.82)   Depth: 9/26   00:00:04  4068kN
1.Qh5
  +-  (7.17)   Depth: 10/27   00:00:07  5486kN
1.Qh5 Qxc4 2.Nxc4 Na6 3.Rb7 Ng6 4.Qa5 c5 5.Qxa6 Kg8 6.Rxa7 Rxa7 7.Qxa7
  +-  (7.39)   Depth: 10/30   00:00:07  8118kN
1.Qh5
  +-  (7.74)   Depth: 11/31   00:00:13  16815kN
1.Qh5 Qxc4 2.Nxc4 Na6 3.Rxe7 Kxe7 4.Rb7+ Ke6 5.Qf7+ Kf5 6.Qd7+ Kg5 7.Qxg7+ Kf5
8.Nd6+ Ke5 9.Nf7+ Kf5 10.Nxh8
  +-  (8.21)   Depth: 11/31   00:00:14  18207kN
1.Qh5
  +-  (8.56)   Depth: 12/32   00:00:24  31048kN
1.Qh5 Qxc4 2.Nxc4 Nd7 3.Rb7 Rd8 4.Qa5 Kf7 5.Nd6+ Kg6 6.Rxe7 Ne5 7.Rxg7+ Kh5
8.Qc7
  +-  (8.87)   Depth: 12/34   00:00:33  43666kN
1.Qh5
  +-  (9.22)   Depth: 13/34   00:01:08  90469kN
1.Qh5 Qxc4 2.Nxc4 Nd7 3.Rb7 Ng6 4.Rxd7 Kg8 5.Qc5 h6 6.Qxc6 Rb8 7.Qc7 Kh7 8.Rxg7#
  +-  (9.73)   Depth: 13/35   00:01:16  101022kN
1.Rb7 c5 2.Qg4 fxe5 3.Rxe7 Kxe7 4.Rxe5+ Kd8 5.Rd5+ Kc7 6.Rxc5+ Nc6 7.Qxg7+ Kb8
8.Rb5+ Kc8 9.Qb7+ Kd8 10.Rd5+ Ke8 11.Qd7+ Kf8 12.Rf5+ Kg8 13.Qf7#
  +-  (#13)   Depth: 13/37   00:05:46  462537kN
1.Rb7 c5 2.Qg4 fxe5 3.Rxe7 Kxe7 4.Rxe5+ Kd8 5.Rd5+ Kc7 6.Rxc5+ Nc6 7.Qxg7+ Kb8
8.Rb5+ Kc8 9.Qb7+ Kd8 10.Rd5+ Ke8 11.Qd7+ Kf8 12.Rf5+ Kg8 13.Qf7#
  +-  (#13)   Depth: 14/37   00:08:04  642046kN




Chessmaster 9000 (default)


Time	Depth	Score	Positions	Moves
0:29	1/9	13.75	8588779		20.Rb7 Qa1 21.Qxa1 fxe5 22.Qa3
					Nd7 23.Rxd7 Re8 24.Qf3+ Kg8 25.Nd6
					h6 26.Nxe8
0:44	1/10	15.41	12859589	20.Rb7 Qa1 21.Qxa1 fxe5 22.Qa3
					Nd7 23.Rxd7 Re8 24.Qf3+ Kg8 25.Nd6
					h6 26.Qf7+ Kh7 27.Nxe8 Rxe8 28.Qxe8
1:55	2/11	Mate13	37660344	20.Rb7 c5 21.Qg4 fxe5 22.Rxe7 Kxe7
					23.Rxe5+ Kd8 24.Rd5+ Kc7 25.Rxc5+
					Nc6 26.Qxg7+ Kb8 27.Rb5+ Kc8 28.Qb7+
					Kd8 29.Rd5+ Ke8 30.Qd7+ Kf8 31.Rf5+
					Kg8 32.Qf7#
2:32	2/11	Mate11	51182852	20.Qh5 Qxc4 21.Nxc4 Nd7 22.Rb7
					Rd8 23.Nd6 Ne5 24.Rxe5 Ng6 25.Rf7+
					Kg8 26.Ree7 Rxd6 27.Rxg7+ Kf8 28.Rgf7+
					Kg8 29.Qh6 Nxe7 30.Qf8#
3:51	3/12	Mate10	80723965	20.Qh5 Qxc4 21.Nxc4 Nd7 22.Rb7
					Rd8 23.Nd6 Ne5 24.Rxe5 Ng6 25.Rbe7
					fxe5 26.Rxa7 Rxd6 27.Qf5+ Ke8 28.Qf7+
					Kd8 29.Ra8#
8:47	4/13	Mate09	193795848	20.Qh5 Qxc4 21.Nxc4 Nd7 22.Rb7
					Rd8 23.Nd6 Ne5 24.Rxe5 Ng6 25.Qf5
					Nxe5 26.Qe6 Nf3+ 27.gxf3 Rb8 28.Qf7#







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