Author: George Sobala
Date: 08:41:37 10/19/03
Go up one level in this thread
On October 19, 2003 at 09:43:49, James T. Walker wrote:
>On October 19, 2003 at 05:39:55, George Sobala wrote:
>
>>Rollicking stuff in this blitz game on ICC. This is pretty typical behaviour for
>>this personality / engine.
>>
>>For those who talk nostalgically about Chess System Tal II: try this out and
>>tell me what you think! Redshift is designed to give strong amateurs a good
>>time, not to beat other chess engines.
>>
>>[Event "ICC 4 0"]
>>[Site "Internet Chess Club"]
>>[Date "2003.10.19"]
>>[Round "-"]
>>[White "redshift"]
>>[Black "DrHugoELO"]
>>[Result "1-0"]
>>[ICCResult "Black checkmated"]
>>[WhiteElo "2502"]
>>[BlackElo "2232"]
>>[Opening "Caro-Kann: Bronstein-Larsen variation"]
>>[ECO "B16"]
>>[NIC "CK.07"]
>>[Time "05:22:37"]
>>[TimeControl "240+0"]
>>
>>1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Nf3 e6
>>8. g3 Be7 9. Bg2 Be4 10. O-O Nd7 11. Re1 Bxf3 12. Qxf3 Qb6 13. Qh5 Nf8 14.
>>d5 cxd5 15. b4 Ng6 16. Be3 Qc6 17. c4 Qxc4 18. Rac1 Qxb4 19. Bh6 Qb6 20. Bg7
>>Kd7 21. Bxh8 Rxh8 22. Bxd5 exd5 23. Qxd5+ Bd6 24. Qf5+ Kd8 25. Rc8#
>>{Black checkmated}
>>1-0
>
>What makes you think this was CSTal-2 ?
You misunderstood me. I apologize for being obscure.
redshift is a computer account on ICC continually playing using the redshift.per
personality of Deep Sjeng. It is the most aggressive engine I have yet seen,
often (indeed usually) making speculative sacrifices, but then I am biased, 'cos
I wrote the parameters. This was an example game against a fairly strong amateur
human opponent. I did not pick it out specially, it plays games like this all
the time, this was just the last one I observed. On a K6-450 it has a rating of
about 2450 on ICC and has scalped quite a few weak International Masters as well
as titled players. An average "ordinary" chess engine will of course obliterate
it, but that is not the point. Basically it usually wins by inducing blunders by
the human opponent who has a material advantage in a defensive position.
Now I have never seen the "real" CSTal2 play. I have bought Purple Software's
Chess Program which is certainly derived from CSTal2 but to my eye surely cannot
be the real uncrippled engine itself, because I have never seen it play in the
way CSTal2 has been described.
CSTal2 always receives glowing nostalgic misty-eyed praise on this forum. I
would be interested to hear from human opponents who have played both CSTal2 and
redshift (either with their own copy of Deep Sjeng, or on an ICC account), how
the two compare.
I hope all is now clear!
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