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Subject: Re: How long does SKR take to find 28. ... c5

Author: George Tsavdaris

Date: 03:54:48 04/25/04

Go up one level in this thread


On April 25, 2004 at 00:36:58, Tom Brake wrote:

>On April 24, 2004 at 16:15:51, John Merlino wrote:
>>I suspect these moves might be easy to find for most any program (CM_SKR finds
>>them all in less than one second). But it was fun to go through the game!
>>
>>jm
>
>This is the one move I can't get my machine to play.  It settles on Bf2, which
>appears to be still winning, but refuses to seriously consider c5.
>
>If you don't mind could you tell me how long skr takes to switch to c5?

On a slow PIV-1500 Mhz with low hash = 32 MiB it find it in 7:24 minutes.
So on a top PC with 64 or more hash the time would be 3 minutes or below.

4r1k1/5p2/2pB2p1/1r1n1bNp/3b3P/1B3P2/PPP1p1P1/1K2R2R b - - 0 28

Time	Depth	Score	Positions	Moves
0:02	1/7	-0.82	200373		28...Bd4-f2 29.Ng5-e4 Bf2xe1 30.Rh1xe1
					Rb5xb3 31.c2xb3 Bf5xe4+ 32.f3xe4
					Re8xe4 33.Kb1-c1
0:03	1/8	-0.54	367321		28...Bd4-f2 29.Ng5-e4 Bf2xe1 30.Rh1xe1
					Bf5xe4 31.Re1xe2 Re8-d8 32.f3xe4
					Rd8xd6 33.e4xd5 c6xd5
0:10	1/9	-0.93	1056527		28...Bd4-f2 29.Ng5-e4 Bf2xe1 30.Rh1xe1
					Bf5xe4 31.f3xe4 Re8xe4 32.c2-c4
					Rb5xb3 33.a2xb3 Nd5-e7 34.Kb1-c1
					Ne7-f5
0:24	1/10	-1.14	2662729		28...Bd4-f2 29.Ng5-e4 Bf2xe1 30.Rh1xe1
					Bf5xe4 31.f3xe4 Re8xe4 32.c2-c4
					Rb5xb3 33.a2xb3 Nd5-e7 34.Bd6xe7
					Re4xe7 35.Kb1-c2 c6-c5 36.Kc2-d2
0:52	1/11	-1.14	5950910		28...Bd4-f2 29.Ng5-e4 Bf2xe1 30.Rh1xe1
					Bf5xe4 31.f3xe4 Re8xe4 32.c2-c4
					Rb5xb3 33.a2xb3 Nd5-e7 34.Bd6xe7
					Re4xe7 35.Kb1-c2 c6-c5 36.Kc2-d2
1:47	1/12	-1.00	12700039	28...Bd4-f2 29.Ng5-e4 Bf2xe1 30.Rh1xe1
					Bf5xe4 31.f3xe4 Re8xe4 32.c2-c4
					Rb5xb3 33.a2xb3 Nd5-f6 34.Kb1-c2
					Re4-e6 35.Bd6-b4 Nf6-d7 36.Bb4-c3
					c6-c5
4:25	2/13	-0.93	31498754	28...Bd4-f2 29.Ng5-e4 Bf2xe1 30.Rh1xe1
					Bf5xe4 31.f3xe4 Nd5-f6 32.e4-e5
					Nf6-e4 33.Kb1-c1 Ne4xd6 34.e5xd6
					Re8-e4 35.d6-d7 Rb5-b8 36.c2-c4
					Kg8-f8
7:24	2/13	-1.00	51392520	28...c6-c5 29.Ng5-e4 c5-c4 30.Re1xe2
					c4xb3 31.a2xb3 Rb5-a5 32.Rh1-d1
					Re8-a8 33.Bd6-a3 Bd4-g7 34.g2-g3
					Ra8-c8 35.Re2-d2



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