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Teimour Radjabov vs Boris Avrukh
Biel Chess Festival (2007), Biel SUI, rd 6, Jul-29
Sicilian Defense: O'Kelly Variation. Normal System Kan Line (B28)  ·  1-0
ANALYSIS [x]

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Kibitzer's Corner
Jul-29-07  Per: Finally it is possible to recognize
Radja in this tournament..!
Jul-29-07  OneArmedScissor: Radjabov's play in this game reminds me of Fischer. This is a fantastic game.
Jul-29-07
Premium Chessgames Member
  Ron: 39. Ngxf4 seems to be the start of the winning line. If 39. ... gxf4 then White can play 40. Rg7+ Kh8 41. Qh5 and mate is coming

After 39. Ngx4 exf4 Radjabov plays 40. Rxg5!. It seems that if black plays 40. ... hxg4 then black will face mate soon.

Jul-29-07
Premium Chessgames Member
  al wazir: White could have won sooner with 33. Rxg5 hxg5 34. Qg3 Nd8/Nd4 35. Qxg5 Ne6 36. Qh6+ Kg8 37. Ne7#.
Jul-29-07  component: What is behind the move 14. a5? Would the lost pawn, if Nxa5, distract the knight from e5, planning the push e5? Thanks.
Jul-30-07  kingsindian2006: <component>14.... Nb4 white had a chance to push for E5 on move 15 but didnt, so i have no idea for A5 either... radja finally woke up from his long slumber....
Jul-30-07
Premium Chessgames Member
  Eyal: Excellent game by Radja. 14...Nxa5 15.e5 should give White a strong initiative, though in view of what actually happened in the game it might have been better for Black. After 14...Nb4, though, 15.e5 isn't so good anymore because Black can place his knight on d5, which is protected now by the other knight (whereas after 14...Nxa5 15.e5 Nd5, 16.Nf5! is very strong).

Nxc2 would be bad for Black on moves 20-21, because of 21.Ng5 and 22.Rxf6 respectively.

Black's decisive mistake was 25...Be7? after which he's lost, no matter what he does. His best chance for survival was 25...Rg8, to counter 26.Nf5 by 26...Bf8, though his position is still very difficult even then.

Aug-05-07  dhotts: I don't quite understand move 20 by White, why can't black simply play 20..Nxc2?
Aug-05-07  square dance: <dhotts> good question. i think one way to approach it is by looking at the move black played instead 20...h6, which prevents 21.Ng5. here is one general line given by rybka: 20... Nxc2 21. Ng5 h6 22. Nxf7+ Rxf7 23. Bxf7 Re7
24. Qg6 Rxf7 25. Qxf7 Nxa1 26. Rxa1


click for larger view

then there is this: 20... Nxc2 21. Ng5 Re6 22. Qh4 h6 23. Rad1 Be7 24. Nxe6 Bxe6 25. Bxe6 fxe6 26. Qg3


click for larger view

this is about as good a defense as black can put up as far as i can see, but rybka is still giving white a +1 eval.

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