Author: Tim Foden
Date: 01:35:16 04/25/03
Go up one level in this thread
On April 24, 2003 at 17:14:23, Art Basham wrote:
>Any programs find
>1. Rxf7...?
>
>[D]r3k2r/1q1nbp1p/p2pp1p1/1p2P3/1P1NN3/P6Q/2P3PP/4RR1K w - - 0 1
>
>played by
>Boleslavsky in 1948...
Green Light Chess 3.00, AXP 1.47GHz, 24MB Hash, takes 40 seconds to see Rxf7,
and over 5:30 to change the reply from ...Qd5 to ...Qxe4.
Cheers, Tim.
Analysis below:
>anal
Game stage: Middle game
Current eval: 0.323
Ply Time Score Nodes Principal variation
5 0.020 +1.203 12862 exd6 Qd5 2. Qc3 Bh4 3. Re3
5 0.040 +1.684 33659 Qf3 {++} Nxe5 2. Nxd6+ Bxd6 3. Qxb7 Bxb4
5 0.060 +2.122 43886 Qf3 Kd8 2. Qxf7 Nxe5 3. Qxe6
5 0.060 +2.122 44895 Qf3 Kd8 2. Qxf7 Nxe5 3. Qxe6
6 0.070 +1.939 52086 Qf3 Kd8 2. Qxf7 Nxe5 3. Nxe6+ Kd7 4. Nf6+ Kc6
6 0.110 +1.939 88050 Qf3 Kd8 2. Qxf7 Nxe5 3. Nxe6+ Kd7 4. Nf6+ Kc6
7 0.130 +2.339 104198 Qf3 {++} Kd8 2. Qxf7 Nxe5 3. Nxd6 Nxf7 4. Nxb7+
Kc8 5. Rxf7
7 0.200 +2.795 143517 Qf3 Kd8 2. exd6 Bh4 3. Qxf7 Bxe1 4. Nxe6+ Kc8 5.
Rxe1
7 0.291 +2.795 239815 Qf3 Kd8 2. exd6 Bh4 3. Qxf7 Bxe1 4. Nxe6+ Kc8 5.
Rxe1
8 0.371 +3.195 297125 Qf3 {++} Kd8 2. Qxf7 Nxe5 3. Qg7 Kc8 4. Qxh8+ Bf8
8 0.651 +3.194 574906 Qf3 {--} Kd8 2. Qxf7 Nxe5 3. Qg7 Re8 4. Qxe7+ {ht}
8 0.721 +3.481 622614 Qf3 Kd8 2. Qxf7 Nxe5 3. Qg7 Qa7 4. Qxh8+ Kd7 5.
Nf6+ Bxf6 6. Qxh7+
8 0.721 +3.481 622696 Qf3 Kd8 2. Qxf7 Nxe5 3. Qg7 Qa7 4. Qxh8+ Kd7 5.
Nf6+ Bxf6 6. Qxh7+
9 0.942 +3.565 798204 Qf3 Kd8 2. Qxf7 Nxe5 3. Qg7 Qa7 4. Qxh8+ Kd7 5.
Nf6+ Bxf6 6. Qxh7+ Be7
9 1.562 +3.565 1477179 Qf3 Kd8 2. Qxf7 Nxe5 3. Qg7 Qa7 4. Qxh8+ Kd7 5.
Nf6+ Bxf6 6. Qxh7+ Be7
10 2.183 +3.672 1997587 Qf3 Kd8 2. Qxf7 Nxe5 3. Qg7 Qa7 4. Qxh8+ Kd7 5.
Qxh7 Qxd4 6. Nf6+ Kd8
10 4.286 +3.672 4175859 Qf3 Kd8 2. Qxf7 Nxe5 3. Qg7 Qa7 4. Qxh8+ Kd7 5.
Qxh7 Qxd4 6. Nf6+ Kd8
11 7.040 +4.072 6362428 Qf3 {++} Kd8 2. exd6 Kc8 3. dxe7 Ne5 4. e8=Q+ Rxe8
5. Nd6+ Kc7 6. Qxb7+ Kxd6
11 39.477 +5.603 37363k Rxf7 Qd5 2. Rxe7+ Kxe7 3. Qh4+ Ke8 4. Nxd6+ Kf8 5.
Qf2+ Kg7 6. Qf7+ Kh6 7. Re4 Qxe4 8. Nxe4 Nf8 9.
Nxe6 Nxe6 10. Qxe6
11 41.300 +5.603 39407k Rxf7 Qd5 2. Rxe7+ Kxe7 3. Qh4+ Ke8 4. Nxd6+ Kf8 5.
Qf2+ Kg7 6. Qf7+ Kh6 7. Re4 Qxe4 8. Nxe4 Nf8 9.
Nxe6 Nxe6 10. Qxe6
12 58.304 +5.515 55884k Rxf7 Qd5 2. Rxe7+ Kxe7 3. Qh4+ Ke8 4. Nxd6+ Kf8 5.
Qf2+ Kg7 6. Qf7+ Kh6 7. N4f5+ gxf5 8. Nxf5+ exf5
9. Qxd5 Rad8 10. e6 Nf6 11. Qxf5
12 1:06.19 +5.515 64200k Rxf7 Qd5 2. Rxe7+ Kxe7 3. Qh4+ Ke8 4. Nxd6+ Kf8 5.
Qf2+ Kg7 6. Qf7+ Kh6 7. N4f5+ gxf5 8. Nxf5+ exf5
9. Qxd5 Rad8 10. e6 Nf6 11. Qxf5
13 1:28.70 +5.915 82153k Rxf7 {++} Qd5 2. Rxe7+ Kxe7 3. Qh4+ Ke8 4. Nxd6+
Kf8 5. Qf2+ Kg7 6. Qf7+ Kh6 7. Re3 Qxd4 8. Rh3+
Kg5 9. Qe7+ Kf4 10. Rh4+ Kxe5 11. Nf7+ Kd5 12.
Qxd7+ Kc4 {ht}
13 5:33.83 +12.694 340642k Rxf7 Qxe4 2. Rxe4 Nf8 3. Qf3 Rc8 4. Rxe7+ Kxe7 5.
Qf6+ Kd7 6. Qf7+ Kd8 7. exd6 Rxc2 8. Nxc2 Nd7 9.
Qxe6
13 5:40.38 +12.694 348383k Rxf7 Qxe4 2. Rxe4 Nf8 3. Qf3 Rc8 4. Rxe7+ Kxe7 5.
Qf6+ Kd7 6. Qf7+ Kd8 7. exd6 Rxc2 8. Nxc2 Nd7 9.
Qxe6
Analyse>exit
local: t=5:44.47 nps=1021398.7 n=351837140 (21.3% / 78.7%)
total: t=5:44.47 nps=1021398.7 n=351837140
stats: fh=94.5%/2.18%/0.821% draws=182236
trans: probes=74613569 hits=9053768 (12.13%) draft=6017989 (8.07%)
tcuts: exact=597 (0.00%) upper=3860029 (5.17%) lower=1756239 (2.35%)
tstor: exact=1763 (0.00%) upper=31930725 (72.31%) lower=12228311 (27.69%)
ext: check=32513198 recap=776242 ppush=1207977 1rep=2609608 thrt=0
q-moves: gen=127422248 tested=54188444 made/un=10494723 max-dep=11
max eval diff: part-1=3.662 part-2=4.195
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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