Author: J. Wesley Cleveland
Date: 14:05:27 05/01/04
Go up one level in this thread
On April 30, 2004 at 23:43:48, Robert Hyatt wrote:
>On April 30, 2004 at 17:21:34, José Antônio Fabiano Mendes wrote:
>
>> [D]7k/6p1/2P3Qp/p3q2P/8/6P1/5K2/8 w
>> Bogoljubow vs Stahlberg, Kemeri 1933 1. Qc2!! Qxh5 2. Qc4!
>
>This one takes crafty depth=16, not real quick. Almost 4 minutes to pick Qc2,
>several more to see how good it really is...
>
[snip]
While looking at this with crafty, I found the ugliest fail high I've seen with
crafty.
[D]2q4k/6p1/2P4p/p7/2Q5/6P1/6K1/8 w - - 0 4
hash table memory = 96M bytes.
pawn hash table memory = 6M bytes.
Crafty v19.10
White(1): sd 11
search depth set to 11.
White(1): 2q4k/6p1/2P4p/p7/2Q5/6P1/6K1/8 w - - 0 4
White(1): analyze
Analyze Mode: type "exit" to terminate.
end-game phase
clearing hash tables
time surplus 0.00 time limit 22.50 (3:30)
depth time score variation (1)
7-> 0.12 -0.14 1. Qb5 Qd8 2. Kf3 Qf8+ 3. Kg4 Qd6 4.
Kf5 Qc7
8 0.18 -0.15 1. Qb5 Qd8 2. Kf3 Qd6 3. Qc4 Qf6+ 4.
Kg4 g6 5. Qd5
8 0.46 -0.03 1. Kf3 Qd8 2. Qe4 Qd1+ 3. Kf4 Qd6+
4. Kf3 Qc7 5. Qd5 <HT>
8-> 0.48 -0.03 1. Kf3 Qd8 2. Qe4 Qd1+ 3. Kf4 Qd6+
4. Kf3 Qc7 5. Qd5 <HT>
9 0.95 -0.05 1. Kf3 Qf5+ 2. Ke3 Qe5+ 3. Kf3 Qf6+
4. Ke4 Qe7+ 5. Kf3 Qa3+ 6. Kg2 Qf8
7. c7 Qa8+ 8. Kf2 Qc8
9 1.14 0.01 1. Qd5 a4 2. Qd7 Qa6 3. c7 Qe2+ 4.
Kh3 Qh5+ 5. Kg2 Qe2+
9-> 1.15 0.01 1. Qd5 a4 2. Qd7 Qa6 3. c7 Qe2+ 4.
Kh3 Qh5+ 5. Kg2 Qe2+
10 1.28 0.01 1. Qd5 a4 2. Qd7 Qa6 3. c7 Qe2+ 4.
Kh3 Qh5+ 5. Kg2 Qe2+
10 1.87 ++ 1. c7!!
10 17:13 1.45 1. c7 Qb7+ 2. Kh2 Qc8 3. Qc5 Kh7 4.
g4 Kh8 5. Qxa5 <HT>
10-> 17:13 1.45 1. c7 Qb7+ 2. Kh2 Qc8 3. Qc5 Kh7 4.
g4 Kh8 5. Qxa5 <HT>
11 17:14 ++ 1. c7!!
11 17:15 5.72 1. c7 Qb7+ 2. Kh2 Qc8 3. Qc5 Kh7 4.
g4 a4 5. Qf5+ Qxf5 6. gxf5 a3 7. c8=Q
a2 8. Qc3
11-> 17:15 5.72 1. c7 Qb7+ 2. Kh2 Qc8 3. Qc5 Kh7 4.
g4 a4 5. Qf5+ Qxf5 6. gxf5 a3 7. c8=Q
a2 8. Qc3
time=17:15 cpu=88% mat=-1 n=1791242494 fh=99% nps=1.73M
ext-> chk=381633369 cap=48652 pp=55417 1rep=27688883 mate=994
predicted=0 nodes=1791242494 evals=48417627
endgame tablebase-> probes=0 hits=0
hashing-> 65%(raw) 64%(depth) 99%(sat) 99%(pawn)
hashing-> 0%(exact) 56%(lower) 1%(upper)
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