Author: Uri Blass
Date: 04:10:07 06/03/01
Go up one level in this thread
On June 03, 2001 at 01:34:20, Terry McCracken wrote:
>On June 02, 2001 at 21:57:45, Eelco de Groot wrote:
>
>> ...maybe The Web could use some help?
>>
>>[Event "Rebel Home Page"]
>>[Site "Internet Match"]
>>[Date "2001.03.17"]
>>[Round "?"]
>>[White "Gambit Tiger 2.0"]
>>[Black "the WEB"]
>>[Result "*"]
>>[WhiteElo "?"]
>>[BlackElo "?"]
>>[ECO "A45"]
>>
>>1.d4 Nf6 2.Bg5 Ne4 3.Bf4 c5 4.f3
>>{Gambit Tiger 2.0 is still in its opening book. Its opponents include
>>strong other chess programs like: Deep Fritz, Shredder 5, Junior 6.0,
>>Nimzo 8, Fritz 6, Rebel Century 3 and Deep Shredder. Plus most Humans
>>playing without Computers.} 4...Qa5+ { by unanimous votes! } 5.c3 Nf6
>>6.Nd2 cxd4 7.Nb3 Qb6 8.Qxd4 Qxd4 { The Web chose 8..Qxd4 by 55% over
>>8..Nb6 by 45%} 9.cxd4 d5 { The Web voted d5 by 70% e6 by 20% and Nc6
>>by 5%} 10.e3 e6 { 10..e6 by 75% and 10..Nc6 by 25% } 11.g4 Nc6
>>{The Web: 11..Nc6 by 57% 11... Bb4+ by 41% 11...h6 by 1% } 12.Bb5
>>{ Gambit Tiger 2.0 still playing from its opening book } 12...Bd7
>>{ 12..Bd7 was the most selected move by 88% and 12..Bb4+ by 12%}
>>13.a3 Be7 {Gambit Tiger 2.0 out of book and calculating... Analysis of
>>Gambit Tiger 2.0 and Rebel Century 3.0 will be added for each move.
>>Rebel Century 3.0 is running on a Pentium III 800 Mhz, 100 Mb hash
>>tables } 14.Ne2 {Analysis Gambit Tiger 2, time: 20:11:26 depth: 21.00
>>score: 0.32 analysis: Ne2 O-O Bd3 Rfe8 Bg3 Bf8 g5 Nh5 f4 g6 Rc1 Rac8 Bf2
>>Nb8 Nc5 Bc6 Nc3 Bxc5 dxc5 d4 Analysis Rebel Century 3, time: 10:30:02
>>depth: 17.00 score: 0.20 analysis: 14.Rc1 O-O 15.Kd2 Rfc8 16.Ne2 Bd6
>>17.Bxd6 Ne4 18.fxe4} 14...0-0 {Analysis Rebel Century 3, time: 19:11:38
>>depth: 17.00 score: -0.03 analysis: 14..O-O 15.Kd2 a5 Correct predicted
>>moves sofar 1/1 (100%)} 15.Bd3 {Analysis Gambit Tiger 2, time: 19:40:14
>>depth: 21.00 score: 0.16 analysis: Bd3 a5 Rc1 b6 O-O Rfc8 Rc3 a4 Nd2
>>Na5 Rfc1 Rxc3 Nxc3 Ne8 Bg3 Bc6 f4 Nd6 h3 Nac4} 15...Rfc8 {Analysis Rebel
>>Century 3, time: 10:22:29 depth: 17.00 score: -0.02 analysis: 15..a5
>>16.Rc1 b6 Correct predicted moves sofar 1/2 (50%)} 16.0-0 {Analysis
>>Gambit Tiger 2, time: 15:19:00 depth: 21.00 score: 0.28 analysis: O-O a5
>>Rac1 b6 Nd2 a4 Nc3 Na5 Kf2 Nc4 Nxc4 dxc4 Bb1 Nd5 Be5 b5 Rg1 Bh4+ Ke2 Bc6}
>>16...a5 {Analysis Rebel Century 3, time: 07:14:32 depth: 17.00 score: -0.06
>>analysis: 16..a5 17.Rfc1 Correct predicted moves sofar 2/3 (66%)} 17.Rac1
>>{Analysis Gambit Tiger 2, time: 7:51:16 depth: 21.00 score: 0.30 analysis:
>>Rac1 b6 Rc3 a4 Nd2 Na5 Rfc1 Rxc3 Nxc3 Rc8 Kf2 Ne8 Ba6 Ra8 Bb5 Bxb5 Nxb5 f5
>>Be5} 17...b6 {Analysis Rebel Century 3, time: 12:35:19 depth: 17.00 score:
>>0.00 analysis: 17..b6 18.Rc3 a4 19.Nd2 Na5 20.Rfc1 Rxc3 21.Nxc3 Correct
>>predicted moves sofar 3/4 (75%)} 18.Rc3 {Analysis Gambit Tiger 2, time:
>>4:50:00 depth: 21.00 score: 0.22 analysis: Rc3 a4 Nd2 Na5 Rfc1 Rxc3 Nxc3
>>Rc8 Ba6 Ra8 Be2 Rc8 Bg3 b5 g5 Ne8 f4 Nd6 Bd3 Nac4} 18...a4 {Analysis Rebel
>>Century 3, time: 12:34:10 depth: 18.00 score: 0.00 analysis: 18..a4 19.Nd2
>>Na5 20.Rfc1 Correct predicted moves sofar 4/5 (80%)} 19.Nd2 {Analysis
>>Gambit Tiger 2, time: 7:19:21 depth: 22.00 score: 0.24} 19...Na5 {Analysis
>>Rebel Century 3, time: 16:21:14 depth: 17.00 score: 0.00 analysis: 19..Na5
>>20.Rfc1 Rxc3 21.Nxc3 Ne8 Correct predicted moves sofar 5/6 (83%)} 20.Rfc1
>>{Analysis Gambit Tiger 2, time: 7:42:48 depth: 21.00 score: 0.18}
>>20...Rxc3 { Analysis Rebel Century 3, time: 11:52:01 depth: 16.00 score:
>>0.00 analysis: 20..Rxc3 21.Nxc3 Correct predicted moves sofar 6/7 (85%)}
>>21.Nxc3 {Analysis Gambit Tiger 2, time: 11:39:55 depth: 22.00 score: -0.02}
>>21...Rc8 {Analysis Rebel Century 3, time: 8:13:15 depth: 16.00 score:
>>0.00 analysis: 21..Rc8 22.Ba6 Ra8 23.Bd3 Correct predicted moves sofar 7/8
>> (87.5%)} 22.Ba6 {Analysis Gambit Tiger 2, time: 11:43:46 depth: 22.00
>>score: 0.28} 22...Ra8 23.Be2 {Analysis Gambit Tiger 2, time: 7:37:51
>>depth: 21.00 score: 0.20} 23...Rc8 {The Web has chosen almost unanimous by
>>99%} 24.e4 {Analysis Gambit Tiger 2, time: 9:51:36 depth: 22.00 score:
>>0.22} 24...b5 {The Web has chosen as follows: 24...b5 (38%) 24...h6 (33%)
>>and 24...dxe4 (28%)} 25.g5 {Analysis Gambit Tiger 2, time: 6:33:04 depth:
>>22.00 score: -0.02} 25... Nh5 {The Web has chosen Nh5 (89%)} 26.Be3
>>{Analysis Gambit Tiger 2, time: 6:07:00 depth: 23.00 score: -0.12} 26...b4
>>27.axb4 {Analysis Gambit Tiger 2, time: 10:42:21 depth: 23.00 score: -0.01}
>>27...Bxb4 28.exd5 {Analysis Gambit Tiger 2, time: 12:08:32 depth: 22.00
>>score: -0.01} 28...a3 {First time the WEB is heavily divided: 28..a3 (52%),
>>28..exd5 (43%) and 28..Bxc3 (5%)} 29.Rb1 {Analysis Gambit Tiger 2, time:
>>14:14:50 depth: 21.00 score: -0.14} 29...Bxc3 30.bxc3 {Analysis Gambit
>>Tiger 2, time: 9:04:00 depth: 21.00 score: -0.42} 30...Rxc3 {The WEB:
>>30...Rxc3 (52%) and 30...exd5 (48%) again very close!} 31.Ne4 {Analysis
>>Gambit Tiger 2, time: 7:11:42 depth: 21.00 score: -0.15} 31...Rb3 {The
>>WEB: 31...Rb3 (85%)} 32.Rxb3 {Analysis Gambit Tiger 2, time: 12:31:27
>>depth: 23.00 score: -0.60} *
>>
>>
>>Move 32 from The Web is Na5xb3:
>>
>>[D]6k1/3b1ppp/4p3/3P2Pn/3PN3/pn2BP2/4B2P/6K1 w - - 0 1
>>
>>But what now if Tiger plays Nc3?
>>
>>Some comments I got from Bram Mourik on the position I posted on Rebel Board:
>>http://www.rebel.nl/ubb/Forum3/HTML/000151.html
>>
>>Weekly winner to be computed now! Do not disturb! Hi everybody!
>>
>> Eelco
>
>Hi Eelco I followed up on your post, do you think you could give greater detail
>on Bram Mourik's line?
>I believe after 33.Nc3..Ba4!? may only draw. Interesting though as I looked at
>33.Nc3..exd5 34.Bd1..Ba4! Which will lead to the win of the d4 pawn. But the
>game still appears drawish.
>
>Any GM's or IM's here care to comment?
>
>I do agree that retreating the N back to a5 is non-productive, and only helps GT
>2.0. Funny, the only programms that consider 34..Ba4! are GT 2.0 Tiger 14
>and Junior 6 if given enough time. However _no_ programm will consider 33.Ba4 as
>it's far too complex.
1)How do you know?
You cannot know that no program will consider 33...Ba4 and even if you give it
10 hours when it did not consider 33...Ba4 it can change it's mind after 20
hours.
2)A team of users who build a tree with scores using gandalf4.32h may help here.
I suggest Gandalf because it is not a preprocessor so you can use the numbers to
decide about the moves.
Uri
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