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Subject: Re: Test position

Author: John Merlino

Date: 09:57:55 08/15/04

Go up one level in this thread


On August 14, 2004 at 15:45:50, Scott Gasch wrote:

>How long and what depth to see b3! in this position:
>
>[D]2r2rk1/pp3pB1/3p4/q2P3B/b6b/3Q4/PPP3P1/1K1R1R2 w - - 1 22
>
>monsoon missed this move in a 5 2 blitz game.  It needs depth=9 and ~30 sec to
>see it on my dual proc.
>
>Scott

Iit takes CM9_SKR 0:11 to prefer b3 on a P4-2.4:

Time	Depth	Score	Positions	Moves
0:00	1/3	3.03	1228		22.Bc3 Qc7 23.Qf5
0:00	1/4	2.88	4751		22.Bc3 Rxc3 23.bxc3 Bg5
0:00	1/5	2.87	18974		22.Bc3 Rxc3 23.Qxc3 Qxc3 24.bxc3
					f5 25.Rd4
0:00	1/6	2.89	62022		22.Bc3 Rxc3 23.Qxc3 Qxc3 24.bxc3
					Bg5 25.Rd4 Be8
0:00	1/7	2.91	170799		22.Bc3 Rxc3 23.Qxc3 Qxc3 24.bxc3
					Bg5 25.Rd4 Be8 26.Re1
0:02	1/8	2.85	438660		22.Bc3 Rxc3 23.Qxc3 Qxc3 24.bxc3
					Bg5 25.Rd4 Bb5 26.c4 Be8
0:06	1/9	3.11	1315961		22.Bc3 Rxc3 23.bxc3 Qb5+ 24.Qxb5
					Bxb5 25.c4 Be8 26.Rd3 Bg5 27.Rg3
0:11	1/9	3.42	2338637		22.b3 Bb5 23.Qf5 Bxf1 24.Bxf8 Rxf8
					25.Qg4+ Kh8 26.Qxh4 Bb5 27.Bxf7+
					Kg7
0:28	2/10	3.90	6106131		22.b3 Bxb3 23.axb3 Kxg7 24.Qd4+
					f6 25.Qxh4 Qc3 26.Qe4 Kh8 27.Bg6
					Kg7
1:22	2/11	4.56	18475792	22.b3 Bxb3 23.axb3 Kxg7 24.Qd4+
					f6 25.Qxh4 Qc3 26.Qe4 Rc7 27.Qg6+
					Kh8 28.Bg4 Rh7 29.Rh1

jm



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