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Subject: Re: Tactical Position - Fruit v Crafty (WCCC 2005)

Author: John Merlino

Date: 09:49:19 08/18/05

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On August 18, 2005 at 09:29:45, Steve Maughan wrote:

>In this position Fruit plays Bxh6! - how long for other engines to find this
>combo?
>
>[d]4rr1q/1bp2p1k/1ppp3p/4n3/4P3/2Q3RP/PPPBB1P1/R6K w - - 0 21

CM9_R1 on a P4-2.4 needs 1:19 to spot the move:

Time	Depth	Score	Positions	Moves
0:00	1/4	0.67	3160		21.Qe3 Qf6 22.Rf1 Qe6 23.Qf4 c5
0:00	1/4	1.09	3777		21.Rf1 c5 22.Qe3 Re6 23.Qf4
0:00	1/5	0.99	21458		21.Rf1 Rg8 22.Bf4 Rxg3 23.Qxg3 Qg7
0:00	1/6	1.05	53056		21.Rf1 Rg8 22.Bf4 Rxg3 23.Bxg3
					Qg7 24.Rf5
0:01	1/7	0.87	179615		21.Rf1 Re6 22.Bg4 Nxg4 23.Rxg4
					c5 24.Kg1 Qd4+ 25.Qxd4 cxd4
0:02	1/8	0.89	522571		21.Rf1 Re6 22.Bg4 Nxg4 23.Rxg4
					Qxc3 24.Bxc3 f6 25.Kg1
0:03	1/8	0.94	634219		21.Qe3 Re6 22.Bg4 Nxg4 23.Rxg4
					f5 24.Bc3 Qxc3 25.Qxc3 fxg4
0:07	1/9	0.94	1550079		21.Qe3 Re6 22.Bg4 Nxg4 23.Rxg4
					f5 24.Bc3 Qxc3 25.Qxc3 fxg4
0:17	1/10	0.96	3740681		21.Qe3 Re6 22.Bg4 Nxg4 23.Rxg4
					c5 24.Bc3 f6 25.Rf1 h5 26.Rgf4 Qg7
0:45	1/11	0.97	10375015	21.Qe3 Re6 22.Bg4 Nxg4 23.Rxg4
					f5 24.Bc3 Qxc3 25.Qxc3 fxg4 26.Qc4
					Ref6 27.e5 Rf4
1:19	1/11	1.77	17661083	21.Bxh6 Rg8 22.Rf1 Rg6 23.Bg5 f6
					24.Bf4 c5 25.Bb5 Re7 26.Rxg6 Kxg6
					27.Bxe5 Rxe5
1:43	1/12	1.93	22636094	21.Bxh6 Rg8 22.Rf1 Rg6 23.Bg5 f6
					24.Bf4 Qg7 25.Bh5 Rxg3 26.Qxg3
					Qxg3 27.Bxg3 Ra8

jm



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