Author: Tim Foden
Date: 12:46:10 05/26/03
Go up one level in this thread
On May 26, 2003 at 12:53:48, Rex wrote:
>How long does it take your favorite engine to find the winning move Bxg6.
>
>[D]3q2k1/1b1r3p/p3pPp1/n1p5/P3BB2/2P3Q1/2P4P/1R4K1 w - - 0 1
Green Light Chess 3.00 takes almost 16 seconds at 10 ply on an AXP 1.47GHz
(1700+).
Cheers, Tim.
Analysis (24MB Hash):
Game stage: Middle game
Current eval: 1.016
Ply Time Score Nodes Principal variation
4 0.030 +0.513 8769 Bg5 Rd1+ 2. Kf2 Rd7 3. Bd3
4 0.040 +0.513 14632 Bg5 Rd1+ 2. Kf2 Rd7 3. Bd3
5 0.050 +0.582 24262 Bg5 Rd1+ 2. Kf2 Rd7 3. Bxb7 Rxb7 4. Rxb7 Nxb7
5 0.070 +0.582 44290 Bg5 Rd1+ 2. Kf2 Rd7 3. Bxb7 Rxb7 4. Rxb7 Nxb7
6 0.140 +0.555 114164 Bg5 Kf7 2. Qe1 Bxe4 3. Qxe4 Rd1+ 4. Rxd1 Qxd1+ 5.
Kg2
6 0.220 +0.555 187400 Bg5 Kf7 2. Qe1 Bxe4 3. Qxe4 Rd1+ 4. Rxd1 Qxd1+ 5.
Kg2
7 0.380 +0.577 315962 Bg5 Qe8 2. Bxb7 Nxb7 3. Rb6 Rd1+ 4. Kg2 Na5 5. Qf3
7 0.781 +0.588 693705 Qg5 Bxe4 2. Rb8 Rd1+ 3. Kf2 Qxb8 4. Bxb8 Nc6 5.
Be5 Bxc2
7 0.811 +0.588 722224 Qg5 Bxe4 2. Rb8 Rd1+ 3. Kf2 Qxb8 4. Bxb8 Nc6 5.
Be5 Bxc2
8 1.061 +0.588 943342 Qg5 Bxe4 2. Rb8 Rd1+ 3. Kf2 Qxb8 4. Bxb8 Nc6 5.
Be5 Bxc2
8 1.973 +0.744 1665336 Bg5 Qe8 2. Bxb7 Nxb7 3. Rb6 Rd1+ 4. Kg2 Na5 5. Qf3
Re1
8 3.104 +0.744 2507135 Bg5 Qe8 2. Bxb7 Nxb7 3. Rb6 Rd1+ 4. Kg2 Na5 5. Qf3
Re1
9 6.339 +0.659 4551782 Bg5 Qc7 2. Qxc7 Rxc7 3. Re1 Kf7 4. Bf4 Rd7 5. Bxb7
Nxb7 6. Be5
9 8.081 +0.659 6091410 Bg5 Qc7 2. Qxc7 Rxc7 3. Re1 Kf7 4. Bf4 Rd7 5. Bxb7
Nxb7 6. Be5
10 11.326 +0.681 8537005 Bg5 Kf7 2. Bd3 c4 3. Qh4 h5 4. Be2 Qc7 5. Rf1 Qc5+
6. Rf2
10 15.722 +0.923 11889k Bxg6 Qxf6 2. Bf7+ Kxf7 3. Rf1 Ke8 4. Bg5 Qxf1+ 5.
Kxf1 Rd1+ 6. Ke2 Rd5 7. Qb8+ Kf7 8. Bh6
10 17.215 +0.923 13207k Bxg6 Qxf6 2. Bf7+ Kxf7 3. Rf1 Ke8 4. Bg5 Qxf1+ 5.
Kxf1 Rd1+ 6. Ke2 Rd5 7. Qb8+ Kf7 8. Bh6
11 20.850 +0.985 16238k Bxg6 Qxf6 2. Bf7+ Kxf7 3. Rf1 Be4 4. Be5 Qxf1+ 5.
Kxf1 Rd1+ 6. Ke2 Bxc2 7. Qf3+ Ke8 8. Qa8+ Rd8 9.
Qxa6
11 30.033 +0.985 24080k Bxg6 Qxf6 2. Bf7+ Kxf7 3. Rf1 Be4 4. Be5 Qxf1+ 5.
Kxf1 Rd1+ 6. Ke2 Bxc2 7. Qf3+ Ke8 8. Qa8+ Rd8 9.
Qxa6
12 35.951 +1.066 28971k Bxg6 Qxf6 2. Bf7+ Kxf7 3. Rf1 Be4 4. Be5 Qxf1+ 5.
Kxf1 Rd1+ 6. Kf2 Bxc2 7. Qf3+ Ke8 8. Qa8+ Rd8 9.
Qxa6 Rd2+ 10. Kg1
12 56.391 +1.066 46364k Bxg6 Qxf6 2. Bf7+ Kxf7 3. Rf1 Be4 4. Be5 Qxf1+ 5.
Kxf1 Rd1+ 6. Kf2 Bxc2 7. Qf3+ Ke8 8. Qa8+ Rd8 9.
Qxa6 Rd2+ 10. Kg1
13 1:13.10 +1.112 60108k Bxg6 Qxf6 2. Bf7+ Kxf7 3. Rf1 Be4 4. Be5 Qxf1+ 5.
Kxf1 Bf5 6. Qg7+ Ke8 7. Qg8+ Ke7 8. Qc8 Rd5 9.
Qc7+ Ke8 10. Qb8+ Rd8 11. Qc7 Rd1+ 12. Kg2
Analyse>exit
local: t=2:03.01 nps=830433.1 n=102149079 (23.0% / 77.0%)
total: t=2:03.01 nps=830433.1 n=102149079
stats: fh=91.9%/3.45%/1.198% draws=40400
trans: probes=23466544 hits=3328262 (14.18%) draft=2168779 (9.24%)
tcuts: exact=452 (0.00%) upper=1298271 (5.53%) lower=612788 (2.61%)
tstor: exact=840 (0.01%) upper=7805233 (66.82%) lower=3875029 (33.17%)
ext: check=6516350 recap=280235 ppush=76328 1rep=492532 thrt=0
q-moves: gen=47104885 tested=26246716 made/un=9829327 max-dep=12
max eval diff: part-1=2.674 part-2=3.108
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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