Author: Slater Wold
Date: 22:14:19 03/11/04
Go up one level in this thread
On March 11, 2004 at 23:21:17, Jon Dart wrote:
>From a game Chepla-Arasan, on ICC:
>
>[D] 3q1r1k/1P1n2p1/4R2p/2QBp2P/3pPb2/R1p2P2/5P2/5K2 w - -
>
>Qxf8+!
>
>It is decisively winning: the next move, Arasan did not
>predict this, but after the move showed a score of about -24,
>and resigned.
>
>Arasan 7.4 takes 39 seconds to find this move on an Athlon
>XP 2500+.
>
>--Jon
Crafty 19.11 - AMD FX51:
clearing hash tables
time surplus 0.00 time limit 166:39 (166:39)
depth time score variation (1)
6-> 0.06 0.43 1. Qc4 Qh4 2. Ra8 Qh3+ 3. Ke2 Nb8 4.
Qc5
7 0.12 0.43 1. Qc4 Qh4 2. Ke2 Qh1 3. Ra8 Nb8 4.
Qc5
7-> 0.19 0.43 1. Qc4 Qh4 2. Ke2 Qh1 3. Ra8 Nb8 4.
Qc5
8 0.36 ++ 1. Qc4!!
8-> 0.50 0.82 1. Qc4 Qh4 2. Ke2 Qh1 3. Ra8 Nb8 4.
Qc5
9 1.03 0.86 1. Qc4 Nb8 2. Ra7 Kh7 3. Qc5 Nd7 4.
Qc8 Nb8 5. Qc5
9-> 1.20 0.86 1. Qc4 Nb8 2. Ra7 Kh7 3. Qc5 Nd7 4.
Qc8 Nb8 5. Qc5
10 4.08 -- 1. Qc4
10 5.83 0.01 1. Qc4 Qh4 2. Ra8 Be3 3. fxe3 Qh1+
4. Kf2 Qxf3+ 5. Kg1 Qg3+ 6. Kh1 Qh3+
7. Kg1 Qg3+
10 5.89 ++ 1. Qxf8+!!
10 5.95 2.61 1. Qxf8+ Qxf8 2. Ra8 Nb8 3. Rc6 Kh7
4. Rxb8 Qxb8 5. Rc8 d3 6. Bg8+ Kh8
7. Be6+ Kh7 8. Rxb8
10-> 6.06 2.61 1. Qxf8+ Qxf8 2. Ra8 Nb8 3. Rc6 Kh7
4. Rxb8 Qxb8 5. Rc8 d3 6. Bg8+ Kh8
7. Be6+ Kh7 8. Rxb8
11 6.72 2.94 1. Qxf8+ Qxf8 2. Rc6 Kh7 3. Rc8 Qxa3
4. Bg8+ Kh8 5. b8=Q Qc1+ 6. Kg2 g5
7. Qd6 g4 8. Bf7+ Kh7 9. Qxd7
11-> 6.98 2.94 1. Qxf8+ Qxf8 2. Rc6 Kh7 3. Rc8 Qxa3
4. Bg8+ Kh8 5. b8=Q Qc1+ 6. Kg2 g5
7. Qd6 g4 8. Bf7+ Kh7 9. Qxd7
12 7.53 2.91 1. Qxf8+ Qxf8 2. Rc6 Kh7 3. Ra8 Nb8
4. Rxb8 Qxb8 5. Rc8 Qxb7 6. Bxb7 g5
7. Rc7+ Kg8
12-> 8.69 2.91 1. Qxf8+ Qxf8 2. Rc6 Kh7 3. Ra8 Nb8
4. Rxb8 Qxb8 5. Rc8 Qxb7 6. Bxb7 g5
7. Rc7+ Kg8
13 9.55 ++ 1. Qxf8+!!
13 16.23 9.88 1. Qxf8+ Qxf8 2. Ra8 Nb8 3. Rc6 Kh7
4. Rc8 Qd6 5. Bg8+ Kh8 6. Bf7+ <HT>
13-> 16.56 9.88 1. Qxf8+ Qxf8 2. Ra8 Nb8 3. Rc6 Kh7
4. Rc8 Qd6 5. Bg8+ Kh8 6. Bf7+ <HT>
14 18.59 ++ 1. Qxf8+!!
14 21.42 10.74 1. Qxf8+ Qxf8 2. Ra8 Nb8 3. Rc6 g6
4. Rc8 Kg7 5. Rxf8 Kxf8 6. Rxb8+ Ke7
7. Rc8 gxh5 8. b8=Q Kf6
14-> 21.87 10.74 1. Qxf8+ Qxf8 2. Ra8 Nb8 3. Rc6 g6
4. Rc8 Kg7 5. Rxf8 Kxf8 6. Rxb8+ Ke7
7. Rc8 gxh5 8. b8=Q Kf6
15 27.20 10.97 1. Qxf8+ Qxf8 2. Ra8 Nb8 3. Rc6 g6
4. Rc8 Kg7 5. Rxf8 Kxf8 6. Rxb8+ Ke7
7. Rc8 gxh5 8. b8=Q Kf6 9. Ke2
15-> 29.20 10.97 1. Qxf8+ Qxf8 2. Ra8 Nb8 3. Rc6 g6
4. Rc8 Kg7 5. Rxf8 Kxf8 6. Rxb8+ Ke7
7. Rc8 gxh5 8. b8=Q Kf6 9. Ke2
16 40.53 ++ 1. Qxf8+!!
16 1:06 12.34 1. Qxf8+ Qxf8 2. Ra8 Nb8 3. Rc6 g6
4. Rc8 Kg7 5. Rxf8 Kxf8 6. Rxb8+ Ke7
7. Rc8 Kf6 8. Rc6+ Kg5 9. hxg6 c2 10.
g7 c1=Q+ 11. Rxc1 Bxc1 12. g8=Q+
16-> 1:11 12.34 1. Qxf8+ Qxf8 2. Ra8 Nb8 3. Rc6 g6
4. Rc8 Kg7 5. Rxf8 Kxf8 6. Rxb8+ Ke7
7. Rc8 Kf6 8. Rc6+ Kg5 9. hxg6 c2 10.
g7 c1=Q+ 11. Rxc1 Bxc1 12. g8=Q+
17 1:52 ++ 1. Qxf8+!!
? 17 10:00 1/45* 1. Qxf8+
White(1): ?
time=10:01 cpu=99% mat=2 n=1530589709 fh=97% nps=2.54M
ext-> chk=199888535 cap=500972 pp=1664275 1rep=38543295 mate=47913
1
predicted=0 nodes=1530589709 evals=80313822 50move=0
endgame tablebase-> probes=0 hits=0
hashing-> 33%(raw) 33%(depth) 99%(sat) 99%(pawn)
hashing-> 0%(exact) 25%(lower) 1%(upper)
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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