Author: Ed Schröder
Date: 09:55:16 11/05/03
Go up one level in this thread
On November 05, 2003 at 07:43:36, Eelco de Groot wrote: >On November 04, 2003 at 17:37:47, Ed Schröder wrote: > >>On November 04, 2003 at 16:39:38, Eelco de Groot wrote: >> >>>Hello Ed, in case you are wandering by here in this forum, I had a "little" >>>question about Rebel's parameters? I was looking at the Ruffian - Rebel game >>>again and was wondering why actually Rebel wanted to play the move 11...Bf5. >> >>Hard to say, I feel not qualified enough to judge between 11..Bf5 and castling >>later and direct castling. What I can say Rebel played the tournament with >>experimental settings which weren't exactly the best. >> >>There will be an engine update soon (together with some bug-fixes) that after >>some times comes up with Jeroen's wished move but looking at the minor >>differences in score it is not very convincing :) >> >>My best, >> >>Ed >> > >Hartstikke goed Ed! Pfff, I am really glad to hear that you can get some of the >difficulties fixed. To be honest I was afraid that too much of the code was >still assembler and that that can't be made compatible with all the protocols >that Windows has. Or something like that, and the datastucture of the EOC also >makes it more complex. I see that Lex posted in the Lokasoft forum >http://www.lokasoft.nl/cgi-bin/UltraBoard1.61/UltraBoard.pl a way to disable the >use of the EOC if necessary. > >About the Bf5 move again, maybe it is still an idea to test if with the new >version changing the [Bishop Pair] value now has more effect. I tried it with >the old Century 2.0 under ECTool again and in the regular Rebel.eng settings the >effect is more visible. At plydepth 11, with [Bishop Pair = 500] but for the >rest Rebel.eng settings, the score is 0.05 higher, 0.10 compared to 0.05, and >after 13.Bg5 only 13...f6 is played. (I called that TEST2.eng settings). The >effect seems enough to choose 0-0 earlier. > >Now of course in Rebel 12 some parameters have increased values so this may mask >a more subtle change like increasing the value for the Bishop pair a bit. Not >all of the aggressive parameters are useful when it is still the opening phase, >and strategic principles are much harder to program than even King Safety. So if >Rebel now plays 11...0-0 with 0.41 score with your settings Ed I think is good! > >Old Century 2.0: > >Rebel Engine for ECTool. (c) Ed Schröder > >Engine version : REBEL CENTURY 2 >Rebel personality : TEST2.eng [Bishop Pair = 500] >Opening book file : RebelC.mvs >Hash table size : 12 MB >Analysis mode : Analyzing next move >Refresh interval : 500 ms > >Last Move : 11.Rxe4 (Black to play) > >00:00 05.00 0.20 11..Bf5 12.Re2 Nxd5 13.c4 bxc4 14.Qa4+ >00:00 06.00 0.18 11..Bf5 12.Re2 Nxd5 13.Bg5 Be6 14.Bxe7 Nxe7 >00:01 07.00 0.16 11..Bf5 12.Re2 Nxd5 13.Bg5 f6 14.Bd2 c5 >00:02 08.00 0.14 11..Bf5 12.Re2 Nxd5 13.Bg5 Bg4 14.Bxe7 Nxe7 15.Qd3 Be6 >00:07 09.00 0.18 11..Bf5 12.Re2 Nxd5 13.Bg5 f6 14.Bd2 Bg4 15.Re1 c5 >00:12 10.00 0.15 11..Bf5 12.Re2 Nxd5 13.Bg5 f6 14.Bd2 O-O 15.a3 Re8 16.Nc3 >00:23 11.00 0.12 11..Bf5 12.Re2 Nxd5 13.Bg5 f6 14.Bd2 O-O 15.Re1 Re8 16.Nc3 >Nxc3 17.Bxc3 >00:59 12.00 0.10 11..Bf5 12.Re2 Nxd5 13.Bg5 f6 14.Bd2 O-O 15.Re1 Qd7 16.a3 >Rae8 >03:06 12.08 0.12 11..O-O 12.Nc3 Bb7 13.Bd2 Nxd5 14.Re1 Re8 15.Nxd5 Bxd5 >16.Ba5 >06:01 13.00 0.14 11..O-O 12.Nc3 Bb7 13.Bd2 Nxd5 14.Re1 Re8 15.Nxd5 Bxd5 >16.Ba5 >20:18 14.00 0.20 11..O-O 12.Nc3 Bb7 13.Bd2 Nxd5 14.Re1 Re8 15.a4+ >45:25 15.00 0.15 11..O-O 12.Nc3 Bb7 13.Bf4 Nxd5 14.Nxd5 Bxd5 15.Re3 Re8 > >Rebel Engine for ECTool. (c) Ed Schröder > >Engine version : REBEL CENTURY 2 >Rebel personality : Rebel.eng >Opening book file : RebelC.mvs >Hash table size : 12 MB >Analysis mode : Analyzing next move >Refresh interval : 500 ms > >Last Move : 11.Rxe4 (Black to play) > >00:00 05.00 0.08 11..Bf5 12.Re2 Nxd5 13.c4 bxc4 14.Qa4+ >00:00 06.00 0.03 11..Bf5 12.Re2 Nxd5 13.a4 bxa4 14.Rxa4 Be6 >00:01 07.00 0.08 11..Bf5 12.Re2 Nxd5 13.c4 bxc4 14.Qa4+ Bd7 15.Qxc4 >00:02 08.00 0.04 11..Bf5 12.Re2 Nxd5 13.a4 b4 14.c4 bxc3 15.Nxc3 >00:10 09.00 0.07 11..Bf5 12.Re2 Nxd5 13.Bg5 Bg4 14.Bxe7 Nxe7 15.Re1 Be6 >16.Nc3 c5 >00:15 10.00 0.03 11..Bf5 12.Re2 Nxd5 13.Bg5 Bg4 14.Bxe7 Nxe7 15.Re4 f5 16.Re6 >O-O >00:43 11.00 0.02 11..Bf5 12.Re2 Nxd5 13.Bg5 f6 14.Bd2 Bg4 15.Re1 c6 16.Nc3 f5 >01:36 12.00 0.05 11..Bf5 12.Re2 Nxd5 13.Bg5 O-O 14.Bxe7 Nxe7 15.a4 Nd5 >16.axb5 axb5 17.Rxa8 Qxa8 18.Qe1 c5 >02:23 13.00 0.02 11..Bf5 12.Re2 Nxd5 13.Bg5 O-O 14.Bxe7 Nxe7 15.a4 Nd5 >16.axb5 axb5 17.Rxa8 >04:53 14.00 0.02 11..Bf5 12.Re2 Nxd5 13.Bg5 O-O 14.Bxe7 Nxe7 15.a4 Nd5 >16.Nbd2 Qd7 17.Nh4 >16:07 15.00 0.04 11..Bf5 12.Re2 Nxd5 13.Bg5 O-O 14.Bxe7 Nxe7 15.Nc3 b4 16.Ne4 >Nd5 17.Ng3 Bg4 >39:36 16.00 0.00 11..Bf5 12.Re2 Nxd5 13.Bg5 O-O 14.Bxe7 Nxe7 15.Nc3 Re8 >29:38 16.01 0.03 11..Nxd5 12.Bg5 O-O >38:33 16.08 0.05 11..O-O 12.Nc3 Bb7 13.Bd2 Nxd5 14.Re1 Rb8 15.Nxd5 Bxd5 >16.Ba5 b4 >Ik ben weer lekker lastig maar had nog een dingetje: when testing or analyzing >overnight in Windows 98 (SE) on my computer I think I observed that the NPS can >go down after some time (hours) when the computer is left unattended. I thought >it might be some energy conservation matter of Windows 98 maybe. Nothing fatal >but maybe something to check? In Windows XP I read there is a Task Manager where >you can set the task priorities, but Windows 98 does not have such a feature. >(And I don't have Win XP) I will check to see if it happens always on my >computer, or check again with the patch when it's ready. Hoi Eelco, Oud probleem, gewoon negeren. Heeft te doen met een overflow van een 32-bits teller. Groetjes, Ed
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