Author: Frank E. Oldham
Date: 18:05:18 05/07/04
Go up one level in this thread
On May 07, 2004 at 18:09:15, Will Singleton wrote:
>Alarm-Amateur, the best move here appears to be Bf4. Takes Amateur about 4
>minutes of p4-2.8ghz time to select it, though it flirts with it early on.
>
>[D]3rr1k1/pp1b1pp1/3b3p/3P1B2/3N4/8/PP3PPP/2RR2K1 b - - 0 19
>
>12 -31 1210 4853410 Bxf5 Nxf5 Bf4 Rb1 Re5 g4 g6 Rd4 gxf5 Rxf4 Rxd5 f3 fxg4
>13 -39 2312 9403262 Bxf5 Nxf5 Bf4 Rb1 Re5 g4 g6 Rd4 gxf5 Rxf4 Rxd5 f3 fxg4
>13 -25 2924 11981392 Bf4 Bxd7 Rxd7 Rc5 Be5 Nf5 b6 Rc2 Bxb2 d6 Be5 g3
>14 -53 4119 17121228 Bf4 Bxd7 Rxd7 Rc5 Be5 Nb5 a6 Nc3 Bd4 Ra5 Re7 Kf1 Bb6 Ra4
>14 5 5081 21121232 Bxf5 Nxf5 Bf4 Rb1 Re5 g4 g6 Rd4 gxf5 Rxf4 Rxd5 f3 fxg4 fxg4
>15 6 6339 26596640 Bxf5 Nxf5 Bf4 Rb1 Re5 g4 g6 Rd4 gxf5 Rxf4 Rxd5 gxf5 Rxf5 Rxf5
>Rxf5 Re1 Rg5 Kh1
>16 -2 12639 52680827 Bxf5 Nxf5 Bf4 Rb1 Re5 g4 g6 Rd4 gxf5 Rxf4 Rxd5 f3 fxg4 fxg4
>f5 Rc1 fxg4 Rxg4 Kf7
>16 54 23121 97036327 Bf4 Rb1 Re5 Bxd7 Rxd7 Nf3 Rxd5 Rxd5 Rxd5 g3 Bd6 Rc1
>17 53 29129 123643437 Bf4 Rb1 Re5 Bxd7 Rxd7 Nf3 Rxd5 Rxd5 Rxd5 g3 Bd6 Re1 Kh7
>Kg2 Kg6 Kh3 Bb4 Re8
crafty19.10f picks Bf4 in ply 14 (27 secs on dual G5) -- I let it think for a
while, and it stays with it,
with slight advantage for B
6-> 0.07 1.10 1. ... Re5 2. Bxd7 Rxd7 3. Nb5 Re2
4. Nxd6 Rxd6 5. Rc8+ Kh7 6. Rc7 <HT>
(s=7)
7 0.09 1.10 1. ... Re5 2. Bxd7 Rxd7 3. Nb5 Re2
4. Nxd6 Rxd6 5. Rc8+ Kh7 6. Rc7 <HT>
(s=6)
7 0.22 1.02 1. ... g6 2. Bxd7 Rxd7 3. h4 Re5 4.
Nb5 Re2 5. Nxd6 Rxd6
7-> 0.23 1.02 1. ... g6 2. Bxd7 Rxd7 3. h4 Re5 4.
Nb5 Re2 5. Nxd6 Rxd6 (s=4)
8 0.32 0.90 1. ... g6 2. Bxd7 Rxd7 3. a4 Kg7 4.
Nb5 Re2 5. Nxd6 Rxd6 6. b4 (s=3)
8 0.58 0.76 1. ... Bxf5 2. Nxf5 Re2 3. Rb1 Re5
4. g4 Re4 5. h3 Re2 6. Nxd6 Rxd6
8-> 0.58 0.76 1. ... Bxf5 2. Nxf5 Re2 3. Rb1 Re5
4. g4 Re4 5. h3 Re2 6. Nxd6 Rxd6 (s=3)
9 0.68 0.76 1. ... Bxf5 2. Nxf5 Re2 3. Rb1 Re5
4. g4 h5 5. h3 hxg4 6. hxg4 Re2 7.
Nxd6 Rxd6 (s=2)
9-> 0.83 0.76 1. ... Bxf5 2. Nxf5 Re2 3. Rb1 Re5
4. g4 h5 5. h3 hxg4 6. hxg4 Re2 7.
Nxd6 Rxd6 (s=2)
10 1.15 0.77 1. ... Bxf5 2. Nxf5 Re2 3. Rb1 Re5
4. g4 h5 5. h3 hxg4 6. hxg4 Re2 7.
Kg2
10-> 1.63 0.77 1. ... Bxf5 2. Nxf5 Re2 3. Rb1 Re5
4. g4 h5 5. h3 hxg4 6. hxg4 Re2 7.
Kg2 (s=2)
11 2.47 ++ 1. ... Bxf5!!
11 3.01 0.35 1. ... Bxf5 2. Nxf5 Re2 3. Rb1 Re5
4. g4 Bf8 5. Rbc1 Rexd5 6. Rxd5 Rxd5
7. Rc7 g6
11-> 3.27 0.35 1. ... Bxf5 2. Nxf5 Re2 3. Rb1 Re5
4. g4 Bf8 5. Rbc1 Rexd5 6. Rxd5 Rxd5
7. Rc7 g6
12 7.98 -0.01 1. ... Bxf5 2. Nxf5 Bf4 3. Rb1 Re5
4. g4 g6 5. Rd4 gxf5 6. Rxf4 Rdxd5
7. Rc1 fxg4 8. Rxg4+
12-> 8.38 -0.01 1. ... Bxf5 2. Nxf5 Bf4 3. Rb1 Re5
4. g4 g6 5. Rd4 gxf5 6. Rxf4 Rdxd5
7. Rc1 fxg4 8. Rxg4+
13 10.54 -0.16 1. ... Bxf5 2. Nxf5 Bf4 3. Rb1 Re5
4. g4 g6 5. Rd4 gxf5 6. Rxf4 Rdxd5
7. Rc1 Re2 8. Rc8+ Kg7
13-> 11.19 -0.16 1. ... Bxf5 2. Nxf5 Bf4 3. Rb1 Re5
4. g4 g6 5. Rd4 gxf5 6. Rxf4 Rdxd5
7. Rc1 Re2 8. Rc8+ Kg7
14 15.82 0.03 1. ... Bxf5 2. Nxf5 Bf4 3. Rb1 Re5
4. g4 g6 5. Rd4 gxf5 6. Rxf4 Rdxd5
7. gxf5 Kh7 8. Rb4 b5
14 26.36 -0.11 1. ... Bf4 2. Bxd7 Rxd7 3. Rc5 b6 4.
Rb5 a6 5. Rxb6 Rxd5 6. Rb4 Be5 7. f4
Bxf4 8. Rc4 Kh7
14-> 26.37 -0.11 1. ... Bf4 2. Bxd7 Rxd7 3. Rc5 b6 4.
Rb5 a6 5. Rxb6 Rxd5 6. Rb4 Be5 7. f4
Bxf4 8. Rc4 Kh7 (s=2)
15 53.33 -0.33 1. ... Bf4 2. Bxd7 Rxd7 3. Re1 Bxc1
4. Rxe8+ Kh7 5. Nf3 Bxb2 6. Kf1 g5
7. h3 Bf6 8. Rb8 b6 9. Ra8 a5 10. Rb8
15-> 56.84 -0.33 1. ... Bf4 2. Bxd7 Rxd7 3. Re1 Bxc1
4. Rxe8+ Kh7 5. Nf3 Bxb2 6. Kf1 g5
7. h3 Bf6 8. Rb8 b6 9. Ra8 a5 10. Rb8
16 2:01 -0.27 1. ... Bf4 2. Rb1 Re5 3. Bxd7 Rxd7
4. Nf3 Rexd5 5. Rxd5 Rxd5 6. g3 Bd6
7. Re1 g5 8. h3 f5 9. Re6 g4 10. hxg4
fxg4
16-> 2:10 -0.27 1. ... Bf4 2. Rb1 Re5 3. Bxd7 Rxd7
4. Nf3 Rexd5 5. Rxd5 Rxd5 6. g3 Bd6
7. Re1 g5 8. h3 f5 9. Re6 g4 10. hxg4
fxg4
17 3:06 -0.35 1. ... Bf4 2. Rb1 Re5 3. Bxd7 Rxd7
4. Nf3 Rexd5 5. Rxd5 Rxd5 6. g3 Bd6
7. Re1 f5 8. Kf1 Kf7 9. h3 Bb4 10.
Re5 Rxe5 11. Nxe5+
17-> 3:20 -0.35 1. ... Bf4 2. Rb1 Re5 3. Bxd7 Rxd7
4. Nf3 Rexd5 5. Rxd5 Rxd5 6. g3 Bd6
7. Re1 f5 8. Kf1 Kf7 9. h3 Bb4 10.
Re5 Rxe5 11. Nxe5+
18 4:55 -0.33 1. ... Bf4 2. Rb1 Re5 3. Bxd7 Rxd7
4. Nf3 Rexd5 5. Rxd5 Rxd5 6. g3 Bd6
7. Re1 f5 8. Kf1 Kf7 9. Ke2 g5 10.
a3 g4 11. Nh4
18-> 5:37 -0.33 1. ... Bf4 2. Rb1 Re5 3. Bxd7 Rxd7
4. Nf3 Rexd5 5. Rxd5 Rxd5 6. g3 Bd6
7. Re1 f5 8. Kf1 Kf7 9. Ke2 g5 10.
a3 g4 11. Nh4
19 10:52 -0.31 1. ... Bf4 2. Rb1 Re5 3. Bxd7 Rxd7
4. Nb5 Rexd5 5. Rxd5 Rxd5 6. Nxa7 Ra5
7. Nc8 Rxa2 8. Ne7+ Kh7 9. Nd5 Be5
10. Nc3 Ra6 11. Rd1 Rd6 12. Re1
19-> 12:38 -0.31 1. ... Bf4 2. Rb1 Re5 3. Bxd7 Rxd7
4. Nb5 Rexd5 5. Rxd5 Rxd5 6. Nxa7 Ra5
7. Nc8 Rxa2 8. Ne7+ Kh7 9. Nd5 Be5
10. Nc3 Ra6 11. Rd1 Rd6 12. Re1
20 25:32 -0.36 1. ... Bf4 2. Rb1 Re5 3. Bxd7 Rxd7
4. Nf3 Rexd5 5. Re1 g5 6. h3 Rd3 7.
Re8+ Kg7 8. Rbe1 a6 9. Kf1 Kg6 10.
h4 Kf5 11. hxg5 hxg5 12. Ne5 Bxe5 13.
R8xe5+
20-> 36:10 -0.36 1. ... Bf4 2. Rb1 Re5 3. Bxd7 Rxd7
4. Nf3 Rexd5 5. Re1 g5 6. h3 Rd3 7.
Re8+ Kg7 8. Rbe1 a6 9. Kf1 Kg6 10.
h4 Kf5 11. hxg5 hxg5 12. Ne5 Bxe5 13.
R8xe5+ (s=2)
21 78:15 -0.39 1. ... Bf4 2. Rb1 Re5 3. Bxd7 Rxd7
4. Nf3 Rexd5 5. Re1 g5 6. h3 Rd3 7.
Re8+ Kg7 8. Rbe1 a6 9. Kf1 b5 10. Ke2
f6 11. Re6 a5 12. g3 Kf7
21-> 97:46 -0.39 1. ... Bf4 2. Rb1 Re5 3. Bxd7 Rxd7
4. Nf3 Rexd5 5. Re1 g5 6. h3 Rd3 7.
Re8+ Kg7 8. Rbe1 a6 9. Kf1 b5 10. Ke2
f6 11. Re6 a5 12. g3 Kf7
? 22 97:46 1/38* 1. ... Bf4
Black(0): ?
time=97:53 cpu=391% mat=1 n=15449306586 fh=90% nps=2.63M
ext-> chk=384415401 cap=42472663 pp=9088347 1rep=40222902
mate=4589147
predicted=0 nodes=15449306586 evals=2152214790
endgame tablebase-> probes=0 hits=0
SMP-> split=4137 stop=641 data=10/32 cpu=383:40 elap=97:53
Frank
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