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Subject: Re: How long does it take your engine...

Author: John Merlino

Date: 12:52:11 07/03/05

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On July 03, 2005 at 07:15:43, Jonas Cohonas wrote:

>To see that this is completely lost for black?
>
>[D] 4b1rk/2q3pp/1p1r4/pPp1QRPP/P1B1pP2/8/6K1/5R2 b - - 0 40

CM9_R1 on a P4-2.4 needs 5:41 to show a solid (but not necessarily "winning")
score for White:

Time	Depth	Score	Positions	Moves
0:00	1/3	-0.13	960		40...Bd7 41.Bxg8 Bxf5 42.Qxf5 Kxg8
					43.Qxe4
0:00	1/3	-1.20	2024		40...Rd2+ 41.Kg3 Qxe5 42.fxe5
0:00	1/4	-0.97	7680		40...Rd2+ 41.Kg3 Qd8 42.Re1 Bxh5
					43.Bxg8 Qxg8 44.Qxe4
0:00	1/5	-1.04	33845		40...Rd2+ 41.Rf2 Qxe5 42.Rxe5 Rxf2+
					43.Kxf2 Rf8
0:00	1/6	-0.28	125951		40...Rd2+ 41.Kg1 Qd7 42.h6 Bg6
					43.hxg7+ Qxg7 44.Bxg8 Bxf5 45.Qxf5
					Kxg8 46.Qxe4
0:01	1/7	-0.28	213996		40...Rd2+ 41.Kg1 Qd7 42.h6 Bg6
					43.hxg7+ Qxg7 44.Bxg8 Bxf5 45.Qxf5
					Kxg8 46.Qxe4
0:04	1/8	-0.41	747517		40...Rd2+ 41.Kh1 Qd7 42.h6 Bg6
					43.hxg7+ Qxg7 44.Bxg8 Bxf5 45.Qxf5
					Kxg8 46.Qxe4
0:08	1/9	0.00	1751034		40...Rd2+ 41.Kg3 Qd7 42.h6 Bg6
					43.Rf6 Re8 44.Rxg6 Rd3+ 45.Kf2
					Rd2+ 46.Kg3
0:18	1/10	0.00	3807495		40...Rd2+ 41.Kg3 Qd7 42.h6 Bg6
					43.Rf6 Re8 44.Rxg6 Rd3+ 45.Kf2
					Rd2+ 46.Kg3
0:39	1/11	0.29	8400012		40...Rd2+ 41.Kg1 Qd7 42.h6 Bg6
					43.hxg7+ Qxg7 44.Bxg8 Bxf5 45.Qxf5
					Kxg8 46.Qe6+ Qf7 47.Qxb6 Qb3 48.Qb8+
					Kf7
1:55	1/12	0.44	24626399	40...Rd2+ 41.Kg3 Qd7 42.h6 Bg6
					43.Rf6 Re8 44.f5 Bh5 45.Kh4 Rd4
					46.Be6 e3+ 47.Kxh5
5:41	1/13	1.25	74000581	40...Rd2+ 41.Kg3 Rd3+ 42.Kh4 Qd7
					43.h6 Bg6 44.hxg7+ Qxg7 45.Qxg7+
					Kxg7 46.Rf6 Rb8 47.Bxd3 exd3 48.f5
					Bf7 49.Rd6 c4 50.Kg4
14:44	2/14	1.21	196799021	40...Rd2+ 41.Kg3 Rd3+ 42.Kh4 Qd7
					43.h6 Bg6 44.hxg7+ Qxg7 45.Qxg7+
					Kxg7 46.Rf6 Rgd8 47.Rxb6 R3d4 48.Rb7+
					Kh8 49.Rc1 e3 50.Kg3 Rd2

jm



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