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Subject: Re: test position

Author: John Merlino

Date: 20:10:28 07/18/02

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On July 18, 2002 at 22:24:13, K. Burcham wrote:

>
>here GM Timman 2623 FIDE played 14.Nxf6
>is there any program that prefers to exchange Knights at f6, instead of the pawn
>capture at e7?
>
>kburcham
>
> [D] rnbq1r2/4ppkp/p2p1np1/3N4/1p1N4/4Q2P/PPP2PP1/2KR1B1R w - - 0 1

Chessmaster 9000 (on a PIII-600) DOES prefer exchanging Knights at f6 to
capturing at e7. But, after 18 seconds, it likes Nb6 better than either of those
options!

Time	Depth	Score	Positions	Moves
0:00	1/3	0.89	1319		1.Nxf6 exf6 2.Bc4 Bb7
0:00	1/3	1.09	1706		1.Nxe7 Re8 2.Qf3 Ra7
0:00	1/4	1.09	6168		1.Nxe7 Re8 2.Qf3 Ra7
0:00	1/4	1.13	7566		1.Nxf6 exf6 2.Qf3 d5 3.Bc4
0:00	1/5	0.93	14301		1.Nxf6 exf6 2.Qf3 d5 3.Bc4 Bb7
0:00	1/6	0.96	45367		1.Nxf6 exf6 2.Qf3 Ra7 3.Bc4 Bb7
0:01	1/7	0.81	114633		1.Nxf6 exf6 2.Qf3 Ra7 3.Bc4 Bb7
					4.Bd5 Bxd5 5.Qxd5
0:04	1/8	0.93	348501		1.Nxf6 exf6 2.Qf3 Ra7 3.Bc4 Bb7
					4.Qg3 Kh8 5.Rhe1
0:13	1/9	0.70	979117		1.Nxf6 exf6 2.Qf3 Ra7 3.Bc4 Bb7
					4.Bd5 Bxd5 5.Qxd5 Re8 6.Rhe1 Rxe1
					7.Rxe1
0:18	1/9	0.86	1378238		1.Nb6 Ra7 2.Nxc8 Rb7 3.Nxd6 exd6
					4.Bc4 Re8 5.Qf3 Rc7
0:54	1/10	0.96	4146469		1.Nb6 Bb7 2.Nxa8 Bxa8 3.f4 Qc7
					4.Qd2 Qc5 5.Nb3 Qb6 6.Bc4 Nc6
2:14	2/11	0.81	10415388	1.Nb6 Ra7 2.Nxc8 Qxc8 3.Nf5+ Qxf5
					4.Qxa7 Ne4 5.f3 Nc6 6.Qxa6 Nf2
					7.Rd2 Nxh1 8.Qxc6
6:13	3/12	0.85	29791336	1.Nb6 Bb7 2.Nxa8 Bxa8 3.f4 Qc7
					4.Re1 Re8 5.Nf3 h6 6.Kb1 Bxf3 7.Qxf3
					e5

jm



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