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Subject: Re: Interesting testposition (bm)

Author: John Merlino

Date: 11:27:09 08/19/05

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On August 19, 2005 at 13:14:01, Michael Gurevich wrote:

>Leko – Shirov, Sarajevo 1999 (0-1)
>
>[D]r2qkb1r/3n3p/p2pbPp1/8/2pBPP2/2N5/PPPQ3P/2KR3R b kq - 0 17
>
>Best move by black: 17...Bh6!
>
>Test your engines!
>
>Regards,
>Michael

CM9_R1 doesn't see it. Are you certain it's the best move?

This is on an AMD 2500:

Time	Depth	Score	Positions	Moves
0:00	1/3	-1.41	1032		17...Nxf6 18.Bxf6 Qxf6 19.Nd5 Bxd5
					20.exd5
0:00	1/4	-1.69	5141		17...Nxf6 18.Rhg1 Rb8 19.Rde1 Bg7
0:00	1/5	-1.41	16380		17...Nxf6 18.Rhe1 Bh6 19.e5 dxe5
					20.Rxe5
0:00	1/6	-1.06	45767		17...Nxf6 18.f5 Bf7 19.Bxf6 Qxf6
					20.Nd5 Bxd5 21.Qxd5
0:01	1/7	-1.04	103797		17...Nxf6 18.Rhe1 Bh6 19.Nd5 Bxd5
					20.exd5+ Kf7 21.Re6 Bg7 22.Rde1
0:01	1/8	-1.11	224182		17...Nxf6 18.Rhe1 Bh6 19.Nd5 Bxd5
					20.exd5+ Kf7 21.Re6 Bg7 22.Rde1 Qd7
0:03	1/9	-0.61	624632		17...Nxf6 18.Rhe1 Bg4 19.Bxf6 Qxf6
					20.e5 Qf7 21.exd6+ Kd7 22.Re7+
					Bxe7 23.dxe7+ Kc8 24.Qd8+ Kb7
0:11	1/10	-0.34	2644282		17...Nxf6 18.f5 Bg8 19.Rhg1 Be7
					20.fxg6 hxg6 21.Qf4 g5 22.Rxg5
					Be6 23.Rg7
0:35	1/11	-0.06	8690449		17...Nxf6 18.Rhe1 Bg4 19.Bxf6 Qxf6
					20.e5 dxe5 21.Rxe5+ Kf7 22.Ne4
					Qc6 23.Qg2 Qc8 24.Nd6+ Bxd6 25.Rxd6
1:06	1/11	-0.14	16326486	17...Rg8 18.Rhe1 Qa5 19.Kb1 Kf7
					20.Rg1 Qh5 21.Rg5 Qh4 22.Nd5 Bxd5
					23.exd5 Nxf6 24.Bxf6 Kxf6
2:53	1/12	0.22	42297208	17...Rg8 18.f5 Bf7 19.e5 dxe5 20.Rhe1
					Qa5 21.Bc5 Qc7 22.Bxf8 Rxf8 23.fxg6
					hxg6 24.Ne4
3:13	1/12	-0.06	47816967	17...Nxf6 18.Rhe1 Bg4 19.Bxf6 Qxf6
					20.e5 dxe5 21.Rxe5+ Kf7 22.Ne4
					Qc6 23.Qg2 Qc8 24.Nd6+ Bxd6 25.Rxd6
5:18	1/13	-0.17	80878886	17...Nxf6 18.f5 Bf7 19.fxg6 Bxg6
					20.Qf4 Bg7 21.e5 Nh5 22.Qf3 Bf7
					23.exd6 O-O 24.Bxg7 Nxg7

jm



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