Author: Shep
Date: 07:51:16 01/21/00
Go up one level in this thread
On January 21, 2000 at 10:11:08, Michel Langeveld wrote: >I didn't meant the difference between position #1 and one of the other bench >positions, but more the difference between the time of position #1 with Crafty >17.05 and Crafty 17.04. > end-game phase > time surplus 0.00 time limit 15:00 (15:00) > nss depth time score variation (1) > 7 1.15 0.32 g5 b5 e5 Rd5 gxh6 gxh6 axb5 cxb5 Rc7 > 7 1.37 0.54 e5 Rd5 f5 Rxd4 Nxd4 Rxd4 Rc4 > 7-> 1.37 0.54 e5 Rd5 f5 Rxd4 Nxd4 Rxd4 Rc4 > 8 1.48 0.54 e5 Rd5 f5 Rxd4 Nxd4 Rxd4 Rc4 Rd3 > 8-> 1.53 0.54 e5 Rd5 f5 Rxd4 Nxd4 Rxd4 Rc4 Rd3 > 9 2.47 0.55 e5 R6d7 Kf3 Ke8 f5 Rxd4 Nxd4 Rxd4 Rc4 > 9-> 2.63 0.55 e5 R6d7 Kf3 Ke8 f5 Rxd4 Nxd4 Rxd4 Rc4 > 10 4.61 0.51 e5 Rd5 f5 b5 f6 gxf6 exf6 Ng8 Nxa5 > b4 Rc5 Nxf6 Nxc6 Nxg4+ > 10-> 4.99 0.51 e5 Rd5 f5 b5 f6 gxf6 exf6 Ng8 Nxa5 > b4 Rc5 Nxf6 Nxc6 Nxg4+ > 11 7.19 0.32 e5 Rd5 f5 b5 f6 gxf6 exf6 Ng8 Nxa5 > Nxf6 Kf3 R8d6 Nxc6 bxa4 > 11 55.80 0.36 g5 Re6 Kf3 f6 gxf6 gxf6 R3c2 Kf7 Rg2 > f5 e5 Nd5 > 11 1:05 0.53 Kf3 R6d7 e5 Re8 f5 Ra7 Ke4 b5 axb5 > cxb5 Rc7 Rxc7 Rxc7 > 11-> 1:05 0.53 Kf3 R6d7 e5 Re8 f5 Ra7 Ke4 b5 axb5 > cxb5 Rc7 Rxc7 Rxc7 > time=1:06 cpu=99% mat=0 n=15368579 fh=89% nps=232048 > ext-> checks=239500 recaps=62994 pawns=25086 1rep=11753 thrt:362 > predicted=0 nodes=15368579 evals=7287490 > endgame tablebase-> probes done=0 successful=0 > hashing-> trans/ref=33% pawn=98% used=61% > >------------------------------------------------------------------------ >Log file for crafty 17.04: >------------------------------------------------------------------------ >end-game phase > time surplus 0.00 time limit 15:00 (15:00) > nss depth time score variation (1) > 7 0.71 0.35 Kf3 Ke8 g5 b5 Nxa5 bxa4 Nxc6 Nxc6 Rxc6 > Rxc6 Rxc6 Rxd4 gxh6 > 7 0.82 0.54 e5 Rd5 f5 Rxd4 Nxd4 Rxd4 Rc4 > 7-> 0.88 0.54 e5 Rd5 f5 Rxd4 Nxd4 Rxd4 Rc4 > 8 1.10 0.29 e5 Rd5 f5 b5 f6 bxa4 fxe7+ Kxe7 Nc5 > Rxd4 > 8 1.65 0.34 Kf3 Ke8 g5 hxg5 fxg5 b5 e5 Rd5 Ra1 > bxa4 Rxa4 > 8-> 2.86 0.34 Kf3 Ke8 g5 hxg5 fxg5 b5 e5 Rd5 Ra1 > bxa4 Rxa4 > 9 4.34 0.42 Kf3 Re8 e5 Rd5 Ke4 Red8 g5 Ke8 Rc4 > 9-> 4.83 0.42 Kf3 Re8 e5 Rd5 Ke4 Red8 g5 Ke8 Rc4 > 10 6.92 0.45 Kf3 Re8 e5 Rd5 Ke4 Red8 g5 hxg5 fxg5 > b5 Ra1 bxa4 Rxa4 > 10-> 9.12 0.45 Kf3 Re8 e5 Rd5 Ke4 Red8 g5 hxg5 fxg5 > b5 Ra1 bxa4 Rxa4 > 11 16.42 0.46 Kf3 Ke8 e5 Rxd4 Nxd4 Rxd4 Rc4 Rxc4 > Rxc4 b5 Rc5 bxa4 Rxa5 > 11-> 17.36 0.46 Kf3 Ke8 e5 Rxd4 Nxd4 Rxd4 Rc4 Rxc4 > Rxc4 b5 Rc5 bxa4 Rxa5 > time=17.69 cpu=98% mat=0 n=4142082 fh=90% nps=234280 > ext-> checks=57083 recaps=17555 pawns=6213 1rep=1408 thrt:214 > predicted=0 nodes=4142082 evals=1383571 > endgame tablebase-> probes done=0 successful=0 > hashing-> trans/ref=36% pawn=97% used=22% Comparing these two, you can see that in the former case (17.5), Crafty chose a new move at ply 11; probably switching from e5 to g5 fired up some extensions (doesn't look like a fail high/low, though) which prolonged the search at that ply. --- Shep
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