Author: David Rasmussen
Date: 00:42:28 05/30/01
Go up one level in this thread
On May 29, 2001 at 09:34:49, Dieter Buerssner wrote: >> >>[D] 2r4k/p6p/4Q1p1/nr6/8/2qR4/P4PPP/4R1K1 b - - >> > >I looked at this position with Yace. I think, the target here should not only be >to avoid Qxd3, but to find Qc6. This is what I get on my AMD K6-2 475 with 30M >hash: > Chezzz never considers anything else but Qc6, unless at the first 3 plies. BLACK(1): statlimit 0 BLACK(1): go Thinking for 30 seconds. time depth val variation 0.00 1/1 +1.75 1... Qc7 (0 kN) 0.01 1/1 +1.78 1... Qc6 (0 kN) 0.01 1/1 +1.80 1... Qc5 (0 kN) 0.01 1/1 +1.97 1... Qxd3 2. Qxc8+ (0 kN) 0.01 1/2 -----> 108 nodes 10800 nps q 45% mo 50% h 0% 0.02 2/3 +1.90 1... Qxd3 2. Qxc8+ Kg7 (0 kN) 0.02 2/3 -----> 413 nodes 20650 nps q 28% mo 94% h 0% 0.04 3/5 +1.55 1... Qc4 2. Qf6+ Kg8 3. Rd7 (1 kN) 0.05 3/5 +1.80 1... Qc6 2. Rd6 Qc5 (2 kN) 0.06 3/5 -----> 3988 nodes 66466 nps q 9% mo 94% h 33% 0.09 4/7 +1.70 1... Qc6 2. Rd6 Qc4 3. Qf6+ Kg8 (7 kN) 0.13 4/7 -----> 11657 nodes 89669 nps q 9% mo 92% h 21% 0.21 5/10 +1.65 1... Qc6 2. Rd6 Qc7 3. Rd7 Qc5 (23 kN) 0.27 5/10 -----> 31271 nodes 115818 nps q 12% mo 91% h 18% 0.42 6/12 +1.66 1... Qc6 2. Rd6 Qc4 3. Qf6+ Kg8 4. Rd7 Rcb8 5. Rxa7 Qxa2 (55 kN) 0.49 6/12 -----> 64651 nodes 131940 nps q 12% mo 92% h 17% 0.88 7/14 +0.92 1... Qc6 2. Rd6 Qc7 3. Rd7 Qf4 4. Rxa7 Rc2 (128 kN) 1.28 7/14 -----> 187192 nodes 146243 nps q 9% mo 91% h 22% 2.48 8/16 +0.00 1... Qc6 2. Rd6 Qc7 3. Qf6+ Kg8 4. Qe6+ Kh8 (378 kN) 3.29 8/19 -----> 500031 nodes 151985 nps q 8% mo 93% h 28% 5.47 9/19 +0.00 1... Qc6 2. Rd6 Qc3 3. Rd3 (887 kN) 6.90 9/19 -----> 1101085 nodes 159577 nps q 8% mo 93% h 30% 10.67 10/20 +0.00 1... Qc6 2. Rd6 Qc3 3. Rd3 (1744 kN) 13.52 10/23 -----> 2147607 nodes 158846 nps q 7% mo 93% h 28% 22.25 11/22 +0.00 1... Qc6 2. Rd6 Qc3 3. Rd3 (3617 kN) 27.45 11/23 -----> 4330066 nodes 157743 nps q 7% mo 92% h 27% 30.01 12 1/50 Qc6 ---------------------------------------------------------------------- Time used: 30.01 nodes: 4730526 qnodes: 349764 quiescence: 7% evals: 3099619 nps: 157631 move order: 92% hashsuccess: 26% hashusage: 67% pawnhashhits: 98% chkext: 213805 threatext: 0 recapext: 0 pawnext: 0 1... Qc6
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