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Subject: Re: End Game Study

Author: John Merlino

Date: 15:59:44 05/10/05

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On May 10, 2005 at 18:23:19, Rob Basham wrote:

>[D]k7/8/PP1b2P1/K2Pn2P/4R3/8/6np/8 w - - 0 1
>
>White plays....Re1.....!
>
>my prgrams play g7..etc.

Ten seconds for CM9_R1 on an AMD 2500:

Time	Depth	Score	Positions	Moves
0:00	1/3	4.70	2150		1.g7 Bb8 2.Rxe5
0:00	1/4	5.77	5072		1.g7 h1=Q 2.g8=Q+ Bb8 3.b7+ Ka7
					4.Rxe5
0:00	1/5	2.30	15692		1.g7 h1=Q 2.g8=Q+ Bb8 3.Qc8 Qa1+
					4.Kb5 Qf1+ 5.Ka4
0:00	1/6	2.05	34883		1.g7 h1=Q 2.g8=Q+ Bb8 3.Rxe5 Qa1+
					4.Kb5 Qb2+ 5.Kc4 Qxb6
0:00	1/7	1.76	109962		1.g7 h1=Q 2.g8=Q+ Bb8 3.Rxe5 Qa1+
					4.Kb5 Qb2+ 5.Kc6 Qc3+ 6.Kd7 Qxe5
					7.Qxg2 Qxh5
0:01	1/8	0.90	278294		1.g7 h1=Q 2.g8=Q+ Bb8 3.Rxe5 Qa1+
					4.Kb5 Qb2+ 5.Kc6 Qc3+ 6.Kd7 Qxe5
					7.Qxg2 Qd6+ 8.Ke8 Qxb6
0:02	1/9	1.31	586504		1.g7 h1=Q 2.g8=Q+ Bb8 3.Rxe5 Qa1+
					4.Kb5 Qb2+ 5.Kc6 Qc3+ 6.Kd7 Qxe5
					7.Qxg2 Qd6+ 8.Ke8 Qe5+ 9.Kf7 Qxh5+
					10.Ke7
0:05	2/10	1.23	1697318		1.g7 h1=Q 2.g8=Q+ Bb8 3.Rxe5 Qa1+
					4.Kb5 Qb2+ 5.Kc6 Qc3+ 6.Kd7 Qxe5
					7.Qxg2 Qd6+ 8.Ke8 Qe5+ 9.Kf8 Bd6+
					10.Kf7 Qf5+ 11.Kg8 Qxh5
0:10	2/10	1.97	2941486		1.Re1 Nxe1 2.g7 Nc4+ 3.Kb5 h1=Q
					4.g8=Q+ Bb8 5.a7 Qh2 6.axb8=Q+
					Qxb8 7.Qxb8+ Kxb8 8.Kxc4 Nf3 9.h6
					Ng5 10.Kd4
0:15	3/11	2.10	4457375		1.Re1 Nxe1 2.g7 Nc4+ 3.Kb5 h1=Q
					4.g8=Q+ Bb8 5.a7 Qh2 6.axb8=Q+
					Qxb8 7.Qxb8+ Kxb8 8.Kxc4 Nf3 9.h6
					Ng5 10.d6 Nf7 11.d7
0:31	4/12	1.93	9114000		1.Re1 Nxe1 2.g7 Nc4+ 3.Kb5 h1=Q
					4.g8=Q+ Bb8 5.a7 Qh2 6.axb8=Q+
					Qxb8 7.Qxb8+ Kxb8 8.Kxc4 Nf3 9.h6
					Ng5 10.Kc5 Kb7 11.d6

jm



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