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Subject: Re: About Rebels openingsbook A questio for Jeroen Noomen

Author: Eelco de Groot

Date: 08:11:46 12/02/01

Go up one level in this thread


On December 02, 2001 at 07:56:10, Marc van Hal wrote:

>Someone asked me wich was the best way to play against the Lion
>Position reult after 1.e4,d6 2.d4,Nf6 3.Nbd7
>Suprisingly The lion did not stand in Rebels book
>
>It does in the Junior7 book and DeepFritz book
>And it is not likely Rebel wil play the best moves by it self but rather plays
>Nf3
>How come?
>
>Regards
>Marc van Hal

What is interesting is that Rebel, atleast old Century 2.0, will play The Lion
by itself after


[Event ""]
[Site ""]
[Date ""]
[Round ""]
[White ""]
[Black ""]
[Result ""]

1.e4 d6 2.d4 Nf6 3.Nc3  *

Rebel Engine for ECTool. (c) Ed Schröder

Engine version   :  REBEL CENTURY 2
Rebel personality :  Rebel.eng
Opening book file :  RebelC.mvs
Hash table size  :  2 MB
Analysis mode   :  Analyzing next move
Refresh interval : 500 ms

Last Move : 3.Nc3 (Black to play)

00:00  05.00  -0.24  3..e5 4.Nf3 Bg4 5.Bb5+ c6
00:01  06.00  -0.40  3..e5 4.dxe5 dxe5 5.Qxd8+ Kxd8 6.Bc4 Ke8 7.Nf3
00:01  06.02  -0.27  3..Nc6 4.Nf3 Bg4 5.d5 Ne5 6.Bb5+ c6
00:03  07.00  -0.32  3..Nc6 4.Bg5 a6 5.Nge2 Bd7 6.d5 Ne5
00:04  07.07  -0.30  3..Nbd7 4.Bg5 h6 5.Be3 e5 6.Bb5 c6
00:07  08.00  -0.30  3..Nbd7 4.Nf3 e5 5.Be3 c6 6.Bc4 Nb6 7.Bb3
00:14  09.00  -0.32  3..Nbd7 4.Nf3 e5 5.Bg5 Be7 6.dxe5 dxe5 7.Bc4 h6
00:56  10.00  -0.30  3..Nbd7 4.Bg5 h6 5.Bh4 c6 6.Nf3 e5 7.Bc4
02:18  11.00  -0.27  3..Nbd7 4.Bg5 h6 5.Bxf6 exf6 6.Nf3 Nb6 7.a4 a5 8.Be2
09:58  12.00  -0.26  3..Nbd7 4.Nf3 e5 5.Bc4 exd4 6.Nxd4 Be7 7.O-O Ne5
25:57  13.00  -0.29  3..Nbd7 4.Nf3 e5 5.Bg5 exd4 6.Nxd4 c6


So if Rebel thinks that 3. ..Nbd7 is a strong move, there is something to be
said for letting the program handle the variatian the way it thinks best. That
way you are likely to get moves that are suited to it's own style. I think that
on move four also brandnew Rebel Century Four might play 4.Bg5, on longer
move-times 4.Nf3. Is there somebody already who can try that with the new Rebel?

After 3. ..Nbd7 I also looked what Q5T would play:


[D]r1bqkb1r/pppnpppp/3p1n2/8/3PP3/2N5/PPP2PPP/R1BQKBNR w KQkq -

Last Move : 3... Nbd7 (White to play)

00:00  05.02  0.72  4.Bb5 c6 5.Bc4 e5 6.f4
00:00  06.01  0.78  4.Bg5 e5 5.Bc4 exd4 6.Qxd4 Be7 7.O-O-O
00:01  07.00  0.67  4.Bg5 h6 5.Bh4 e5 6.d5 c6 7.f3
00:04  08.00  0.72  4.Bg5 e5 5.Bxf6 Nxf6 6.dxe5 dxe5 7.Qxd8+ Kxd8 8.Nf3 Bb4
9.Nxe5
00:13  09.00  0.62  4.Bg5 e5 5.Bb5 c6 6.dxe5 Nxe5 7.Bxf6 Qxf6 8.Nd5 Qd8
00:54  10.00  0.64  4.Bg5 e5 5.Bc4 Be7 6.f4 Nb6 7.Bb5+ c6 8.Bxf6
02:36  11.00  0.65  4.Bg5 e5 5.Nf3 exd4 6.Nxd4 h6 7.Bxf6 Nxf6 8.Bb5+ Bd7
11:55  12.00  0.57  4.Bg5 e5 5.Nf3 exd4 6.Nxd4 c6 7.f4 Qb6 8.Rb1
20:06  12.04  0.62  4.Nf3 e5 5.dxe5 dxe5 6.Bc4 Bd6 7.Bg5 Nb6 8.Bxf6




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