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Subject: Re: I Assume Jester Is Not Compiled...

Author: Uri Blass

Date: 11:41:29 01/07/03

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On January 07, 2003 at 13:29:14, Matt Taylor wrote:

>On January 07, 2003 at 05:06:17, Graham Laight wrote:
>
>>...or am I mistaken?
>>
>>There is a Java chess program called Jester at http://www.ludochess.com - and it
>>seems to me to play a competent game.
>>
>>Am I right in assuming that this particular program runs in a JVM (Jata Virtual
>>Machine), or is the program compiled prior to starting?
>>
>>In any case - while Jester probably isn't going to be challenging for the world
>>championship, it certainly plays more than well enough to beat me at its default
>>time of 3 seconds per move.
>>
>>-g
>
>"Pure Java" means they're distributing byte codes. Java has 3 potential
>compilation paths:
>
>source->machine code
>source->byte code->machine code
>source->byte code->interpretation
>
>Whether or not it's interpreted depends on your machine's configuration.
>
>It beats me too. :(
>I think it works a little like Bob Durrett posted.
>
>"I think this is a good move."
>"You don't want to do that."
>"Why not?"
>"Because...hah."
>"That was my favorite piece."
>"And now I have your rook, too."
>"I hate you."
>
>-Matt

Here is a win of movei(operated manually by me) against Jester when movei won by
a nice king attack.

To be honest movei used more time(I do not know if movei is better than jester
in fair conditions and I remember a good result of jester in tournament when
good programs played so I was afraid to play in fair conditions).

Jester offered movei a draw when it was clearly losing(Movei had evaluation of
about +10 at that time).

1.d2-d4 d7-d5 2.Nb1-c3 e7-e6 3.e2-e4 d5xe4 4.Nc3xe4 Qd8-d5 5.Ne4-c3 Bf8-b4
6.Qd1-g4 Bb4xc3+ 7.b2xc3 g7-g6 8.Ng1-f3 Qd5-a5 9.Bc1-d2 Nb8-c6 10.Bf1-d3 Ng8-f6
11.Qg4-h4 Nf6-h5 12.g2-g4 Qa5-d5 13.Ke1-e2 Nh5-g7 14.Bd2-h6 0-0 15.Nf3-g5 f7-f6
16.Ng5xh7 Kg8xh7 17.Bh6-e3+ Kh7-g8 18.Bd3xg6 Rf8-f7 19.Qh4-h7+ Kg8-f8 20.Bg6xf7
a7-a6 21.Qh7-g8+ Kf8-e7 22.Qg8xg7 Qd5-c4+ 23.Ke2-d2 Ke7-d6 24.Be3-f4+ Kd6-d5
25.Qg7xf6 Nc6-a7 26.Qf6-e5+ Kd5-c6 27.Bf7xe6 Bc8xe6 28.Qe5xc7+ Kc6-d5 29.Qc7-d6+
Kd5-e4 30.Qd6-e5+ Ke4-f3 31.Qe5-e3+ Kf3xg4 32.Rh1-g1+ Kg4-h5 33.Qe3-f3+ Kh5-h4
34.Bf4-g5# Line





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