Author: George Sobala
Date: 14:18:29 10/19/03
Go up one level in this thread
On October 19, 2003 at 12:56:04, Mihaly Szalai wrote:
>On October 19, 2003 at 11:41:37, George Sobala wrote:
>
>>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!
>
>
>DS Redshift is a great fun in blitz games. However at longer time controls
>I can beat it without too much effort, because it's sacs are mostly incorrect.
>
>CSTal is somewhat the opposite. It plays much better at longer time controls
>than DS Redshift IMO.
>
>Mihaly
Thanks. Interesting. If only I could find a copy of the real CSTal2 ....!
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