Author: Dan Newman
Date: 03:10:21 06/12/00
Go up one level in this thread
On June 09, 2000 at 10:10:32, Jon Dart wrote:
>This is from a recent ICC game:
>
>[D] 4r1k1/p4ppp/1pq1P3/3p1PPP/3B1Q2/P4NK1/8/3n4 b - -
>
>How long does your program take to avoid fxe6 and play Qb7?
>Arasan takes about 3:30 and Crafty about 2:18 on a fast
>PC (Athlon 750). fxe6 fails low several times but it takes
>quite a while before the programs really see the danger.
>
>--Jon
Here's what Shrike gets on a PIII/500:
3> 357 0.01 1826 fxe6 g6 exf5 Qxf5
4- 339 0.02 6175 fxe6 g6 exf5 Qxf5
4. 323 0.03 9284 fxe6 fxe6 Qxe6 Bxg7 Kxg7 Qd4+ Kf7 Qxd1
4> 323 0.03 10441 fxe6 fxe6 Qxe6 Bxg7 Kxg7 Qd4+ Kf7 Qxd1
5. 323 0.06 18461 fxe6 fxe6 Qxe6 Bxg7 Kxg7 Qd4+ Kf7 Qxd1
5> 323 0.08 24697 fxe6 fxe6 Qxe6 Bxg7 Kxg7 Qd4+ Kf7 Qxd1
6- 305 0.32 75657 fxe6 fxe6 Qxe6 Bxg7 Kxg7 Qd4+ Kf7 Qxd1
6. 214 0.37 93687 fxe6 Qe5 Qd7 h6 exf5 Qxg7+ Qxg7 hxg7 a6
6> 214 1.07 259356 fxe6 Qe5 Qd7 h6 exf5 Qxg7+ Qxg7 hxg7 a6
7- 196 2.02 614319 fxe6 Qe5 Qd7 h6 exf5 Qxg7+ Qxg7 hxg7 a6
7. 85 2.29 716371 fxe6 f6 Rc8 fxg7 Nc3 Qe5 Qc7 Qxc7 Rxc7
7> 85 3.48 1176111 fxe6 f6 Rc8 fxg7 Nc3 Qe5 Qc7 Qxc7 Rxc7
8. 88 3.79 1296795 fxe6 f6 Rc8 fxg7 Nc3 Qe3 a6 Qe5 Qc7
8> 88 5.62 1996798 fxe6 f6 Rc8 fxg7 Nc3 Qe3 a6 Qe5 Qc7
9- 70 15.58 5729405 fxe6 f6 Rc8 fxg7 Nc3 Qe3 a6 Qe5 Qc7
9. 46 17.87 6718218 fxe6 f6 Qb7 fxg7 Rc8 g6 Qe7 Qd2 Qc7+ Be5
Qc2
9. 59 26.66 10106119 Qb7 f6 Rxe6 fxg7 Ne3 Bxe3 Re4 Qd6 Kxg7 h6+
Kh8
9> 59 29.32 11064119 Qb7 f6 Rxe6 fxg7 Ne3 Bxe3 Re4 Qd6 Kxg7 h6+
Kh8
10. 58 33.24 12574348 Qb7 f6 Rxe6 fxg7 Ne3 Bxe3 Kxg7 h6+ Kg8 Bd4
a6 Qf5
10> 58 1:00 23006375 Qb7 f6 Rxe6 fxg7 Ne3 Bxe3 Kxg7 h6+ Kg8 Bd4
a6 Qf5
11. 54 1:35 36325549 Qb7 f6 Rxe6 fxg7 Ne3 h6 Nc4 a4 b5 axb5
Re4 Qf5 Qxb5
11> 54 3:39 82786770 Qb7 f6 Rxe6 fxg7 Ne3 h6 Nc4 a4 b5 axb5
Re4 Qf5 Qxb5
12. 38 6:27 147662981 Qb7 Qc1 fxe6 f6 Qb8+ Be5 Qc8 Qxd1 gxf6 gxf6
Qa6 Bb2 Qb5 Bd4
12> 38 11:13 256342932 Qb7 Qc1 fxe6 f6 Qb8+ Be5 Qc8 Qxd1 gxf6 gxf6
Qa6 Bb2 Qb5 Bd4
13- 20 31:59 729051498 Qb7 Qc1 fxe6 f6 Qb8+ Be5 Qc8 Qxd1 gxf6 gxf6
Qa6 Bb2 Qb5 Bd4
13. 7 39:00 890453983 Qb7 h6 fxe6 f6 gxh6 Ne5 Re7 gxh6 Rc7 Qg4+
Kf8 Qxd1 Qb8 Kg4
13> 7 1:10:41 1605466487 Qb7 h6 fxe6 f6 gxh6 Ne5 Re7 gxh6 Rc7 Qg4+
Kf8 Qxd1 Qb8 Kg4
It gets Qb7 in under 27 seconds, but the score seems to be dropping as it
gets deeper...
-Dan.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.