Author: Dann Corbit
Date: 18:08:56 04/27/04
Go up one level in this thread
On April 27, 2004 at 17:23:29, José Antônio Fabiano Mendes wrote:
> [D]3r2k1/pp3ppp/5q2/8/1n2Q3/7P/PPP2PK1/R1B5 w
> Ruffian vs Shredder = Leiden 2004 [round 7] === Avoid move 23. Qxb4?
> Source ==> http://f23.parsimony.net/forum50826/messages/97959.htm [in German]
Crafty has a time of it with this one. Not solved in an hour on a fast machine.
White(1): epdpfga \qxb4.epd qxb4.out
PFGA: EPD record: 1
middle-game phase
clearing hash tables
time surplus 0.00 time limit 60:00 (60:00)/(50)
time surplus 0.00 time limit 60:00 (60:00)/(50)
depth time score variation (1)
7 0.06 -- 1. Qxb4
7 0.17 1.94 1. Qxb4 Qc6+ 2. f3 Qxc2+ 3. Kg3 Rd1
4. Qc3 Qxc3 5. bxc3 Kf8
7-> 0.30 1.94 1. Qxb4 Qc6+ 2. f3 Qxc2+ 3. Kg3 Rd1
4. Qc3 Qxc3 5. bxc3 Kf8
8 0.64 ++ 1. Qxb4!!
8 0.84 2.57 1. Qxb4 Qc6+ 2. Kg3 Rd1 3. Qc3 Rg1+
4. Kf4 Qh6+ 5. Kf3 Qxh3+ 6. Ke4 Qxc3
7. bxc3
8-> 1.01 2.57 1. Qxb4 Qc6+ 2. Kg3 Rd1 3. Qc3 Rg1+
4. Kf4 Qh6+ 5. Kf3 Qxh3+ 6. Ke4 Qxc3
7. bxc3
9 1.56 2.20 1. Qxb4 Qc6+ 2. Kg3 Rd1 3. Qc3 Rg1+
4. Kf4 Qh6+ 5. Kf3 Qxh3+ 6. Ke4 Qxc3
7. bxc3 Rd1
9-> 1.78 2.20 1. Qxb4 Qc6+ 2. Kg3 Rd1 3. Qc3 Rg1+
4. Kf4 Qh6+ 5. Kf3 Qxh3+ 6. Ke4 Qxc3
7. bxc3 Rd1
10 3.61 1.92 1. Qxb4 Qc6+ 2. f3 Qxc2+ 3. Kg3 Rd1
4. Qc3 Qxc3 5. bxc3 Rd3 6. Bb2 Rd2
7. Rb1
10-> 4.59 1.92 1. Qxb4 Qc6+ 2. f3 Qxc2+ 3. Kg3 Rd1
4. Qc3 Qxc3 5. bxc3 Rd3 6. Bb2 Rd2
7. Rb1
11 10.81 1.83 1. Qxb4 Qc6+ 2. f3 Qxc2+ 3. Kg3 Rd1
4. Qc3 Qxc3 5. bxc3 Rd3 6. Bb2 Rd2
7. Ba3 Re2
11-> 12.45 1.83 1. Qxb4 Qc6+ 2. f3 Qxc2+ 3. Kg3 Rd1
4. Qc3 Qxc3 5. bxc3 Rd3 6. Bb2 Rd2
7. Ba3 Re2
12 36.89 1.70 1. Qxb4 Qc6+ 2. f3 Qxc2+ 3. Kg3 Rd1
4. Qc3 Rg1+ 5. Kf4 Qh2+ 6. Ke3 Qxh3
7. Qc5 Rf1 8. Kd4 Rd1+ <HT>
12-> 44.11 1.70 1. Qxb4 Qc6+ 2. f3 Qxc2+ 3. Kg3 Rd1
4. Qc3 Rg1+ 5. Kf4 Qh2+ 6. Ke3 Qxh3
7. Qc5 Rf1 8. Kd4 Rd1+ <HT>
13 1:35 1.57 1. Qxb4 Qc6+ 2. f3 Qxc2+ 3. Kg3 Rd1
4. Qc3 Rg1+ 5. Kf4 Qh2+ 6. Ke3 Qxh3
7. Qc5 Re1+ 8. Kd4 Re2 9. Qd5 Qc8
13-> 2:02 1.57 1. Qxb4 Qc6+ 2. f3 Qxc2+ 3. Kg3 Rd1
4. Qc3 Rg1+ 5. Kf4 Qh2+ 6. Ke3 Qxh3
7. Qc5 Re1+ 8. Kd4 Re2 9. Qd5 Qc8
14 2:46 -- 1. Qxb4
14 6:40 0.00 1. Qxb4 Qc6+ 2. f3 Qxc2+ 3. Kg3 Rd1
4. Qc3 Qg6+ 5. Kh4 Qf5 6. Qc7 Qf6+
7. Kg3 Qg6+ 8. Kh4 Qf6+
14-> 9:27 0.00 1. Qxb4 Qc6+ 2. f3 Qxc2+ 3. Kg3 Rd1
4. Qc3 Qg6+ 5. Kh4 Qf5 6. Qc7 Qf6+
7. Kg3 Qg6+ 8. Kh4 Qf6+
15 15:34 0.00 1. Qxb4 Qc6+ 2. f3 Qxc2+ 3. Kg3 Rd1
4. Qc3 Qg6+ 5. Kh4 Qf5 6. Qc7 Qf6+
7. Kg3 Qg6+ 8. Kh4 Qf6+
15-> 19:17 0.00 1. Qxb4 Qc6+ 2. f3 Qxc2+ 3. Kg3 Rd1
4. Qc3 Qg6+ 5. Kh4 Qf5 6. Qc7 Qf6+
7. Kg3 Qg6+ 8. Kh4 Qf6+
16 39:01 0.00 1. Qxb4 Qc6+ 2. f3 Qxc2+ 3. Kg3 Rd1
4. Qc3 Qg6+ 5. Kh4 Qf5 6. Qc7 Qf6+
7. Kg3 Qg6+ 8. Kh4 Qf6+
16-> 47:01 0.00 1. Qxb4 Qc6+ 2. f3 Qxc2+ 3. Kg3 Rd1
4. Qc3 Qg6+ 5. Kh4 Qf5 6. Qc7 Qf6+
7. Kg3 Qg6+ 8. Kh4 Qf6+
time=60:00 cpu=99% mat=0 n=6194396873 fh=92% nps=1.72M
ext-> chk=608296105 cap=10392735 pp=14647455 1rep=42462206
mate=2875236
predicted=0 nodes=6194396873 evals=1556074133 50move=0
endgame tablebase-> probes=0 hits=0
hashing-> 18%(raw) 17%(depth) -70%(sat) 95%(pawn)
hashing-> 0%(exact) 14%(lower) 2%(upper)
White(1):
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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