Author: Ed Schröder
Date: 03:01:08 01/22/01
Go up one level in this thread
On January 21, 2001 at 22:47:29, Jeff Lischer wrote: >On January 21, 2001 at 12:17:40, Ed Schröder wrote: > >>On January 21, 2001 at 11:32:50, Hans Christian Lykke wrote: >> >>>On January 21, 2001 at 07:06:34, Uri Blass wrote: >>> >>>>On January 21, 2001 at 06:59:27, Ed Schröder wrote: >>>> >>>>>On January 21, 2001 at 05:45:46, Uri Blass wrote: >>>>> >>>>>>I looked only in one of the games of Century3 against Deep Fritz and I found >>>>>>that Rebel does the same positional mistake without autoplayer. >>>>>> >>>>>>Here is the relevant position when I believe that Century3 blundered. >>>>>> >>>>>>[D]r3k2r/pq1pppbp/1pn2np1/8/2P5/1PN2NP1/PB2PPKP/R2Q1R2 b kq - 0 1 >>>>>> >>>>>>Century3 played Rg8 and this move can be reproduced manually. >>>>>>I do not understand the target of Rg8. >>>>> >>>>>Me neither. >>>>> >>>>>Can you post the complete game? as I can't reproduce Rg8 with the >>>>>default settings and a hash table of 100 Mb. Century 3 plays the >>>>>normal 0-0 here. >>> >>> >>>Here is the hole thing >>>I tried it on one of my P200MMX with 40MB hash >>>At depth >>>10 Ne4 -0.18 >>>10.02 d6 -0.18 >>>10.21 Rg8 -0.17 >>>11.00 Rg8 -0.16 >>>11.01 d6 -0.07 >>> >>>Venlig hilsen >>> >>>Hans Christian Lykke >> >> >>To be more precise I post the log-file.... >> >>Thinking.... >> >> +---+---+---+---+---+---+---+---+ Deep Fritz AMD K6-2 - Century 3 AMD K6-2 >>8 | *R| | | | *K| | | *R| >> +---+---+---+---+---+---+---+---+ 00:00:00 00:00:00 >>7 | *p| *Q| | *p| *p| *p| *B| *p| >> +---+---+---+---+---+---+---+---+ >>6 | | *p| *N| | | *N| *p| | Time infinite >> +---+---+---+---+---+---+---+---+ Hash 60 Mb >>5 | | | | | | | | | Engine Rebel Century 3.0 >> +---+---+---+---+---+---+---+---+ Personality Rebel Century 3 >>4 | | | p | | | | | | anti-GM Off >> +---+---+---+---+---+---+---+---+ Tactics Off >>3 | | p | N | | | N | p | | Bluff Chess Off >> +---+---+---+---+---+---+---+---+ Style Normal >>2 | p | B | | | p | p | K | p | Strength Strongest >> +---+---+---+---+---+---+---+---+ Search Normal Search >>1 | R | | | Q | | R | | | >> +---+---+---+---+---+---+---+---+ 11.. Bc1-b2 Qc8-b7 >> a b c d e f g h 12.. Nd4-f3 >> >>r3k2r/pq1pppbp/1pn2np1/8/2P5/1PN2NP1/PB2PPKP/R2Q1R2 b kq - >> >>[Event "120'/40+60'/20+60'20"] >>[Site "SSDF"] >>[Date "2001.01.20"] >>[Round "26"] >>[White "Deep Fritz AMD K6-2"] >>[Black "Century 3 AMD K6-2 "] >>[Result "1-0"] >>[WhiteElo "?"] >>[BlackElo "2520"] >>[ECO "A15"] >> >>1.c4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 c5 5.O-O g6 6.Nc3 Bg7 7.d4 cxd4 8.Nxd4 >>Bxg2 9.Kxg2 Qc8 10.b3 Nc6 11.Bb2 Qb7 12.Nf3 1-0 >> >>00:00:00 1.00 -0.27 12..O-O >>00:00:00 1.05 -0.11 12..Ne4 13.Nxe4 Bxb2 >>00:00:00 1.06 -0.10 12..d6 >>00:00:00 1.09 0.02 12..Ne5 >>00:00:00 2.00 -0.14 12..Ne5 13.Nd5 Nxd5 14.Qxd5 >>00:00:00 2.01 -0.12 12..d6 13.e3 >>00:00:00 2.02 -0.11 12..Ne4 13.Nxe4 Bxb2 >>00:00:00 3.00 -0.11 12..Ne4 13.Nxe4 Bxb2 >>00:00:00 3.01 -0.09 12..d6 13.Nd5 Nxd5 14.Bxg7 >>00:00:00 3.02 -0.02 12..Ne5 13.Kg1 Ne4 14.Nxe4 >>00:00:00 4.00 -0.02 12..Ne5 13.Kg1 Ne4 14.Nxe4 Nxf3 >>00:00:00 5.00 -0.14 12..Ne5 13.Nd5 Nxf3 14.Bxf6 Ne1 >> 15.Kg1 (0) >> >>00:00:00 5.01 -0.02 12..Ne4 13.Nxe4 Bxb2 14.Rb1 Bg7 >>00:00:00 6.00 -0.09 12..Ne4 13.Nxe4 Bxb2 14.Rb1 Bg7 >> 15.Qd6 (0) >> >>00:00:01 7.00 -0.08 12..Ne4 13.Qd3 Nb4 14.Qxe4 Qxe4 >> 15.Nxe4 Bxb2 16.Rab1 (0) >> >>00:00:02 8.00 -0.07 12..Ne4 13.Qd3 Nb4 14.Qxe4 Qxe4 >> 15.Nxe4 Bxb2 16.Rab1 Bg7 (1) >> >>00:00:07 9.00 -0.12 12..Ne4 13.Qc2 Nb4 14.Qc1 Rg8 15.Rd1 >> Rc8 16.Nxe4 (3) >> >>00:00:14 10.00 -0.18 12..Ne4 13.Qc2 Nxc3 14.Bxc3 Nd4 >> 15.Bxd4 Bxd4 16.Rad1 Bg7 17.e4 (11) >> >>00:00:19 10.02 -0.18 12..d6 13.Nd5 Ne5 14.Nxe5 dxe5 15.f3 >> Nxd5 16.cxd5 Rc8 17.e4 Qd7 (17) >> >>00:00:39 10.21 -0.17 12..Rg8 13.Qd2 Ne5 14.Rad1 Rc8 15.Nd5 >> Nxf3 16.exf3 Nxd5 17.Bxg7 Rxg7 18.Qxd5 (32) >> >>00:01:19 11.00 -0.16 12..Rg8 13.Qd2 Ne5 14.Nb5 Neg4 15.h3 >> a6 16.Nd6 exd6 17.hxg4 Nxg4 18.Bxg7 >> Rxg7 (42) >> >>00:01:55 11.01 -0.07 12..d6 13.Nd5 Ne5 14.Nxe5 dxe5 15.f3 >> Rd8 16.e4 e6 17.Nxf6 Bxf6 18.Qc2 (79) >> >>00:02:52 12.00 -0.16 12..d6 13.Nd5 Ne5 14.Nxe5 dxe5 15.e4 >> Nxe4 16.Re1 Nf6 17.Bxe5 Nxd5 18.Qxd5 >> Qxd5 19.cxd5 Bxe5 20.Rxe5 (142) >> >>PC: PIII-800 >> >>Position tried with 60 and 100 Mb hash, identical log-file. >> >>It means that Century 3 will play 12..Rg8 on 40/40 but NOT on 40/2h (12..d6) >> >>If the game of Century 3 is played on a 450 Mhz machine the right move >>on 40/2h should be 12..d6 >> >>Nevertheless the game is interesting because Century 3 should never >>even consider 12..Rg8? I will have a look at the source code as the >>thought something is wrong with the black short castling came up to >>me first in London, secondly during the v/d Wiel match and now here >>again. >> >>Ed > >Ed, > >What is going on with this position?!? If I just give the position to Century, >it never considers Rg8. It finds O-O quite early (ply 5) and stays with it. If I >play through the moves of the game having Century analyze as it goes, it never >finds O-O. Instead it gives the log file above. Does this have something to do >with the hash table usage? I was using the default settings with 60 Mb hash >table. No, it has nothing to do with the hash table size. It is just one of these seldom cases the lack of the game history makes the difference. Ed
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