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Subject: Re: Rebel - van der Wiel, 0-1

Author: Robert Hyatt

Date: 06:54:15 01/05/01

Go up one level in this thread


On January 05, 2001 at 03:16:49, Ed Schröder wrote:

>On January 04, 2001 at 19:19:12, Graham Laight wrote:
>
>>On January 04, 2001 at 17:43:30, Ed Schröder wrote:
>>
>>>On January 04, 2001 at 12:20:41, Ulrich Tuerke wrote:
>>>
>>>>On January 04, 2001 at 12:09:25, Enrique Irazoqui wrote:
>>>>
>>>>>[Event "?"]
>>>>>[Site "?"]
>>>>>[Date "2001.01.04"]
>>>>>[Round "?"]
>>>>>[White "Rebel Century 3"]
>>>>>[Black "van der Wiel, John"]
>>>>>[Result "0-1"]
>>>>>[ECO "B15"]
>>>>>[BlackElo "2531"]
>>>>>[PlyCount "118"]
>>>>>[EventDate "2001.01.02"]
>>>>>[SourceDate "2001.01.04"]
>>>>>
>>>>>1. e4 c6 2. d4 d5 3. Nc3 a6 4. Be2 b5 5. a3 e6 6. Nf3 Nf6 7. e5 Nfd7 8. Bg5 Be7
>>>>>9. Bxe7 Qxe7 10. b4 a5 11. Na2 axb4 12. axb4 O-O 13. Bd3 f6 14. exf6 gxf6 15.
>>>>>O-O Rf7 16. Re1 Nf8 17. Nh4 Qd8 18. Re3 Rg7 19. Rg3 Qe7 20. Qf3 Rxg3 21. Qxg3+
>>>>>Qg7 22. Qd6 Qd7 23. Qf4 Qg7 24. Nf3 Bd7 25. Qc7 Be8 26. Qd8 Bg6 27. h3 Qf7 28.
>>>>>Bxg6 hxg6 29. Nh2 Kg7 30. Ng4 Nfd7 31. Qc7 e5 32. Qb7 Ra3 33. dxe5 fxe5 34.
>>>>>Nxe5 Nxe5 35. Qxb8 Qf6 36. Re1 Rxa2 37. Qxe5 Qxe5 38. Rxe5 Rxc2 39. Re1 Kf6 40.
>>>>>Kf1 d4 41. Re8 Rc4 42. Rc8 Ke7 43. Ke2 Kd6 44. Rd8+ Kc7 45. Rg8 Rxb4 46. Kd3 c5
>>>>>47. Rg7+ Kb6 48. Rxg6+ Ka5 49. h4 Rb3+ 50. Ke4 d3 51. Rd6 c4 52. g4 Rb2 53. g5
>>>>>Re2+ 54. Kf3 Re8 55. Rd4 b4 56. Rxc4 b3 57. Rc1 b2 58. Rd1 Kb4 59. Kf4 Kc3 0-1
>>>>>
>>>>>Enrique
>>>>
>>>>A convincing demonstration that anti-computerchess played by a GM is still too
>>>>much for todays programs.
>>>>This opponent is indeed a very brave choice of the Rebel team. I think that
>>>>there are many opponents with higher ELO, but easier to play for Rebel, - my
>>>>deep respects to Ed for playing John van der Wiel.
>>>>And btw a very interesting game !
>>>>Uli
>>>
>>>Thank Uli for the encouraging words. John v/d Wiel after the game said he
>>>wasn't impressed by Rebel's play in game 1 and 2 but in game-3 he had a
>>>very hard time and was impressed by Rebel's pressure. He also said that
>>>39.Re1 was Rebel's only mistake (39.Re6! Kf7 40.Rd6! is probably a draw)
>>>and thereafter white was lost.
>>>
>>>He also mentioned that during the middlegame white maybe could have played
>>>Re1 sacrificing the kningt on a2 for a strong attack. I forgot about the
>>>move number. I would be interested to know if anyone noticed this.
>>>
>>>2-1 for GM John v/d Wiel still 3 games to go starting next tuesday.
>>>
>>>During the 3 games so far I noticed the following pattern by John:
>>>
>>>. force the game only into strategic lines even if there (probably) is a
>>>better move.
>>>
>>>What can one do?
>>>
>>>Ed
>>
>>If JVDW is "playing the player", then play him at his own game.
>>
>>There is an option which I'm 90% sure will win the next game (but has a 10%
>>chance of making you look silly).
>>
>>Bob once mentioned that, long ago, due to some sort of error, the clocks didn't
>>work properly on Cray Blitz. The computer played its moves much too quickly.
>>What happened was that, while the computer undoubtedly played marginally worse,
>>the human opponents played a lot worse, and did far more badly than the form
>>guide would have predicted.

Remember that those were _blitz_ games.  I don't think this will work at all
in a 40/2 game.  You will just get crushed tactically on the moves you don't
predict correctly (and therefore use a short search time).




>>
>>If I were in your shoes, I would take 2 measures to try to knock your opponent
>>out of his smooth, confident, flowing state of mind:
>>
>>1. Set Rebel's clock to move after a fixed length of time (preferably 30
>>seconds, but certainly no more than 40 seconds). A high proportion of the moves
>>it will select will be the same as the 3 minute selection would have been anyway
>>- and there's no point in worrying about tactical mistakes against a human! The
>>effect of this will be to throttle off nearly half JVDW's thinking time. The
>>impact on the human's standard of play will be far more devastating than it will
>>be on the computer's.
>
>This is a good hint. In game-1 I made a typo setting the playing level.
>Instead of using 00:02:45 as average time I typed 00:01:45. As a result
>Rebel played much too fast. The positive side effect was v/d Wiel had
>less time to think and had big time troubles.
>
>From the GM challenge games I remember I tried a system that focus on
>the time control of the opponent. I will try this in game-4 and see if
>it is successful.
>
>Thanks.
>
>Ed
>
>
>>2. Set Rebel's playing style to the safest, blandest, most pedestrian level
>>possible. This will have 2 benefits - minimising the risk of poor positioning,
>>and lulling the opponent into a false sense of security. Go for one of
>>humanity's greatest weaknesses - complacency! You're going to need a mistake
>>from JVDW to beat him anyway - why not maximise your chances of getting this
>>mistake.
>>
>>In conclusion, while at first glance this looks like the blackest day for
>>computers since DB's game 6 against GK in the first (1996) match, if you're
>>willing to "play the player" rather than "play great chess", there might still
>>be time to throw your opponent off his stride...
>>
>>-g



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