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IsiChess (Computer) vs Rybka (Computer)
6th International CSVN Tournament (2006), Leiden NED, rd 6, May-06
Benko Gambit: Declined. Main Line (A57)  ·  0-1
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
May-23-06  capatal: Rybka effortlessly creates passed pawns - as legendary Hydra can create fresh heads.Wonder if (Rybka on single core computer laptop like Vaio, running 1.7 gigs can uphold this tradition consistently?) Any comment from a Chess computer wiz, greatly appreciated.
May-23-06  whatthefat: If a human had been playing black here, I'm sure the audacious kingside strategy would be considered a brilliant concept. This genuinely looks like forward planning on a grand scale.
May-23-06
Premium Chessgames Member
  ganstaman: And here I was thinking that black's advantage in the Benko Gambit is on the queenside. I see that 5. a4 has been played 59 times here, but I don't think I like the looks of it. Is it actually a sound strategy? Or is there better?
Jun-27-06
Premium Chessgames Member
  notyetagm: <whatthefat: If a human had been playing black here, I'm sure the audacious kingside strategy would be considered a brilliant concept. This genuinely looks like forward planning on a grand scale.>

Yes, this is a very impressive game from Rybka.

Rybka seems to play with a plan in an almost human way. It's like Rybka says to itself "Well, the queenside is blocked and the center is pretty much fixed so I will advance my kingside pawns to take more space and see if that brings any tangible benefit".

In the old days computers absolutely would not advance the pawns in front of their king. Here Rybka does exactly that and scores an easy victory.

Jun-27-06  blingice: I think the biggest problem with IsiChess's play was that it fully devoted two rooks to PROTECTING a not-so-significant pawn. If it was devoting two rooks to eliminating one of Rybka's, I would understand. Even worse, he completely MARRIED one of the rooks to that a-pawn by moving 24. Ra5? First, this has no discernable benefit. It doesn't really open up options for white, it only takes them away. Second, it's rook now must back out through where it just came to help protect, losing tempo. Third, the rook at a5 doesn't even attack any of black's pieces, or restrict them in any noticable way! Finally, since both it's rooks are on an edge file which is blocked and no where near it's king, it has basically given up two rooks positionally.

I don't know if there was a better move, but that move certainly doesn't seem like a logical move. Any explanations (or pointing out obvious things) on that move?

Jun-27-06  THE pawn: For a while it really looked like a reversed berlin.
Jun-27-06
Premium Chessgames Member
  keypusher: Wow, very impressive play by Rybka.

<If a human had been playing black here, I'm sure the audacious kingside strategy would be considered a brilliant concept.>

Yes, exactly. Heck, I thought it was a brilliant concept anyway.

Dec-26-06  tonsillolith: What happens if 30. exf4?
Dec-26-06  Steppenwolf: 29....f4 is a beautiful move! Pure silicon poetry.
Jul-01-07  fndmiranda: Rybka=The best
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