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Alexander Onischuk vs Peter Svidler
Aerosvit (2008), Foros UKR, rd 5, Jun-12
Gruenfeld Defense: Russian. Hungarian Variation (D97)  ·  0-1



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Kibitzer's Corner
Jun-12-08  Xeroxx: Svidler and his grünfeld.
Jun-12-08  arnaud1959: Never give this kind of positions (defending under pressure) to Svidler. He likes them.
Jun-12-08  minasina: this was live commentary in Russian; "translated" (without functioning board): may need reloading
Premium Chessgames Member
  ajk68: Isn't 26. Bb5 good?
Jun-14-08  najdorfman: ajk68: 26. Bb5 improves things for White but because of back row mates and tactical problems the best he can achieve is an ending where he is down the exchange for a pawn. 26. Bb5 Rxc7 27. Rxc7 Nxc7 28. Bxd7 Rd8 29. Nc5 (29. Nb6 Na8 30. Bb5 Nxb6 31. Bxb6 Rb8.) 29...Na6 30. Bb5 Nxc5 31. Bxc5 Rd5 32. bxb4 Rxb5 33. Bxe7 Re5 34. Bb4 Re2 35. g3 (35. a4 Rb2 and 36...Rxb3.) 35...Rxa2 36. Bc4 Rb2 37. b4 with advantage for Black. I hope that answers your question. When first playing over the game, I also wondered about 26. Bb5 leaqding to an advantage for White, so I got out a chess set, analyzed, and then checked with Fritz.
Premium Chessgames Member
  Mateo: A very interesting and complicated game. This one should be widely analysed.

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 a6 8. Be2 b5 9. Qb3 c5 10. dxc5 Be6 11. Qc2 Nbd7 <Novelty. Other moves already played : 11...Nc6. 11...Qc8. 11...Qc7.> 12. Be3 <12.c6 was more natural, although Black will capture the advanced pawn.> Rc8 13. Rd1 <13.c6 was interesting. The idea is to win the Bishop pair after 13...Rxc6 14.Nd4 Rd6 15.Nxe6 Rxe6.> b4 14. Na4 <14.Nd5 to get the Bishop pair could be considered too. 14...Bxd5 15.exd5 Nxc5.> Qa5 15. O-O Nxe4! 16. c6 <16.Qxe4 Qxa4 should be considered too. Black wins the ‘c5’ pawn but White gains activity for his Queen on the King side.> Nd6 <16...Bd5? 17.Nc5!, suddenly Black pieces are hanging.> 17. b3 <17.Nd4 Bd5 seems also difficult for White.> Bd5?! <Inviting his opponent to dangerous complications for Black.> 18. Rxd5! Qxd5 19. Rc1 Nb8? <Loses the ‘a’ pawn. 19...Qa5 was better.> 20. c7 Nd7 21. Bxa6 Ra8 22. Qd3? <22.Qc6 was much stronger, as a6 was the best square for the Bishop, controling the promotion square c8.> Qxd3 23. Bxd3 Rfc8 24. Nd4?! <As a result of a forced variation, White loses a pawn.> Bxd4 25. Bxd4 Ne8 <Black wins a pawn.> 26. Nb6 Nxb6 27. Bxb6 Rxa2 28. g3 <28.Rc4 does not achieve anything. 28...Ra1+ 29.Bf1 Rb1 30.Rxb4 Nxc7 31.Rc4 Rd8!, Black wins. If White takes the Knight, then Rdd1.> Nd6 29. Rd1 <The idea is to attack the ‘b’ pawn.> Kf8 <A waiting move.> 30. Bf1 <Just what Svidler was waiting for...> Rc2 31. Rd4 <31.Ba6 R8xc7 32.Bxc7 Rxc7 33.Rd4 Rc6 followed by Rb6, Black has an extra pawn in the ending, although there are technical problems (the ‘b4’ pawn is a target limiting the Black Rook).> Ra8?! <31...Rc6 32.Rxb4 Ra8 should be more accurate.> 32. Rxb4?! <Natural but missing 32.Bc4! impeding Rc6. Now White will lose his strong passed pawn and probably the game.> Rc6 33. Bh3 <A desperate attempt hoping for 33...Nc8? 34.Bxc8, holding the passed pawn.> f5 <33...Ra6? 34.Bd4 Rxc7 35.Rb8+ Ne8 36.b4 is unclear.> 34. g4 <34.Bf1 Nc8 wins the passer.> Ra6 35. Bd4 Rxc7 36. gxf5 Nxf5 37. Bf1 Rc1 38. Bb2 Rb1 39. Be5 Ra5 40. Bh8 Ng7! <Nice. Black wins the White square Bishop.> 0-1

Oct-07-08  Xeroxx: <Never give this kind of positions (defending under pressure) to Svidler. He likes them> Word man, word man.
Mar-01-18  Saniyat24: remarkable play by Svidler...thought of two puns for this one...fight for the c-pawn & Svidler's Knight: Catcher Of the Bishop...not very good, I know...

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