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Subject: Re: tricky position

Author: John Merlino

Date: 09:42:15 09/10/03

Go up one level in this thread


On September 10, 2003 at 12:24:33, Jon Dart wrote:

>In this position:
>
>[D] r3rb1k/1b3pp1/3p2qp/p2P1N2/Pp1Qn3/4RN1P/1P3PP1/R1B3K1 w - -
>
>Comet played Nxh6 against Arasan and lost after .. f5 Re1 Nc5 Rxe8 Rxe8, etc.
>Black is ok and White's Knight is trapped.
>
>Arasan switches off Nxh6 pretty fast here, but Pharaon (for example) still wants
>to play it after 60 seconds on a fairly fast machine.
>
>--Jon

Chessmaster 9000 never considers Nxh6. This is on a P4-2.4:

Time	Depth	Score	Positions	Moves
0:00	1/3	2.55	1293		1.N3h4 Qf6 2.Rxe4
0:00	1/4	2.36	3399		1.N3h4 Qh5 2.g4 Qg5 3.Rxe4
0:00	1/5	2.36	12954		1.N3h4 Qh5 2.g4 Qg5 3.Rxe4
0:00	1/6	2.61	38743		1.N3h4 Qf6 2.Rxe4 Qxd4 3.Rxd4 Re1+
					4.Kh2 Rae8
0:00	1/7	-0.32	57593		1.N3h4 Qf6 2.Rxe4 Qxd4 3.Rxd4 Re1+
					4.Kh2 Rc8 5.Nxh6 gxh6
0:00	1/8	-0.45	141506		1.N3h4 Qf6 2.Rxe4 Qxd4 3.Rxd4 Re1+
					4.Kh2 Rc8 5.Ne3 Rexc1 6.Rxc1 Rxc1
0:02	1/9	-0.44	430884		1.N3h4 Qf6 2.Rxe4 Qxd4 3.Rxd4 Re1+
					4.Kh2 Rc8 5.Ne3 Rexc1 6.Rxc1 Rxc1
					7.Nhf5 Ba6
0:05	1/10	-0.39	951243		1.N3h4 Qf6 2.Rxe4 Qxd4 3.Rxd4 Re1+
					4.Kh2 Rc8 5.Ne3 Rexc1 6.Rxc1 Rxc1
					7.Nhf5 g6
0:14	2/11	-0.48	2780545		1.N3h4 Qf6 2.Rxe4 Qxd4 3.Rxd4 Re1+
					4.Kh2 Rc8 5.Ne3 Rexc1 6.Rxc1 Rxc1
					7.Rf4 Kg8 8.Nhf5
0:33	3/12	-0.39	6707404		1.N3h4 Qf6 2.Rxe4 Qxd4 3.Rxd4 Re1+
					4.Kh2 Rc8 5.Ne3 Rexc1 6.Rxc1 Rxc1
					7.Rf4 Kg8 8.Nhf5 Re1 9.Nd4
1:34	4/13	-0.62	19319364	1.N3h4 Qf6 2.Rxe4 Qxd4 3.Rxd4 Re1+
					4.Kh2 Rc8 5.Ne3 Rexc1 6.Rxc1 Rxc1
					7.Nf3 g6 8.Rc4 Rxc4 9.Nxc4 Bxd5
					10.Nxa5

jm



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