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Svidler, Peter (2747) - Radjabov, Teimour (2793) [E81]
Candidates 2013, London (3) 2013

Notes by Boris Schipkov

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3
The King's Indian Saemisch System.
5...O-O 6. Be3 c5 7. Nge2 Nc6 8. d5








   
8...Na5
A rare move. The main line is 8...Ne5, with tons of theory.
9. Ng3
A typical manoeuvre in the Saemisch 6...c5. Another plan is to move the knight on the queenside, 9. Nc1 e6 10. Be2 exd5 11. cxd5 Nd7 12. Nb3 f5 13. Qd2 Ne5 14. Nxa5 Qxa5 15. O-O fxe4 16. Nxe4 Qxd2 17. Bxd2 Nf7 18. Bc3 Bf5, with counterplay in Vitiugov, N - Grischuk, A, Moscow 2012. Or 11...a6 12. Nb3 12... b5 13. O-O Nd7 14. Nxa5 Qxa5 15. Qd2 Re8, with counterplay in Dreev, A - Grischuk, A, Astana 2012.
9...a6 10. Be2 Nd7 11. Rc1!?
A good idea, White defends the knight with his rook, and Black's dark-squared bishop cannot attack this rook. Other moves: 11. Qd2 and 11. Qc2.








   
11...b5!?
A novelty. Black sacrifices a pawn like in the Benko-Volga Gambit. In the game Reimanis, R -Fedoseev, V, Narva 2007, was 11...Rb8 12. O-O b5! 13. cxb5 axb5 14. Nxb5 Bxb2 (14...Ba6!) 15. Rc2 Bg7 16. Qd2 Ba6, with counterplay. Better is 12. b3! with a small edge to White, and this is the idea of the previous 11. Rc1!?.
12. cxb5 axb5 13. Bxb5 Ne5 14. O-O Nac4 15. Bg5








   
15...Bd7?!
Also 15...Nxb2?! is not good, 16. Qe2 Qb6 17. Qxb2 Nd3 18. Qd2 Bd4+ 19. Kh1 Nxc1 20. Rxc1 Bxc3 21. Rxc3 f6 22. Bc6 Bb7 23. Bh6 Rfb8 24. Bd7. However interesting is 15...h6!? and after 16. Bf4 Black can play like in the Benko-Volga Gambit 16...Qa5 17. Qe2 Ba6.
16. Bxd7 Qxd7 17. Qe2!
White secures a small advantage.
After the game Peter Svidler said: "It is very nice to get a position like this, also with an hour and a big advantage on the clock. The game was mainly decided in the opening because I got such a huge advantage".








   
17...Nxb2?
An error. Black could try 17...Nb6 18. f4 Ng4 19. h3 Bd4+ 20. Kh1 f6 21. Bh4 Ne3 22. Rf3 Nec4 23. b3 Na3 or 17...Rfb8 18. b3 Na3 19. f4 Ng4.
18. Qxb2 Nd3 19. Qd2 Nxc1 20. Rxc1 Bxc3?!
Black trades his strong bishop. 20...Qa7 21. Nge2 Rfb8 is more precise.
21. Rxc3








   
21...Rfb8
Or 21...f6 22. Be3 Rfb8 23. Ne2 Rb1+ 24. Kf2 Rab8.
22. Qc2! f6 23. Bc1 Qa4 24. a3 Kf7
Since a bishop and a knight are superior to a rook, White is better and has great chances to win.
25. Nf1 Qxc2 26. Rxc2 f5 27. Nd2 Ra4 28. Nc4 fxe4 29. fxe4 Rb3








   
30. Kf2
White can play 30. e5! at once, 30...Ra6 31. exd6 exd6 32. Bf4 Ke7 33. a4 h6 34. a5 g5 35. Re2+ Kd7 36. Bd2.
30...Ke8 31. e5! Ra6 32. exd6 exd6 33. Ke2
Or 33. Re2+ Kd7 34. Re3.
33...Kd7 34. Bf4 h5 35. h4! Ra4 36. Kd2 Rb1 37. Kc3 Ra6








   
38. Re2
Also possible is 38. Rc1 Rb8 (38...Rxc1+ 39. Bxc1 Ke7 40. Bf4 Kd7 41. Bxd6) 39. g3 Rf8 40. Rb1 Rf6 41. a4 Kc7 42. a5, winning.
38...Rd1 39. Re6 Rxd5 40. Rxg6 Rd4 41. Bxd6
White obtains a huge edge.
41...Rxh4 42. Ne5+ Kc8 43. Rg8+ Kb7 44. Bxc5 Re6 45. Rg7+ Kc8 46. Nc4 Rg4








   
47. Nd6+
Winning.
47...Kb8 48. Rb7+ Ka8 49. Rd7 Rg8 50. Nc4 Rxg2 51. Bd6 Rxd6 52. Nxd6 h4 53. Rh7 Rh2 54. Kb4 h3 55. Ka5
Black resigned. 1-0










Move
   

Svidler, Peter (2747) - Radjabov, Teimour (2793) [E81]
FIDE Candidates 2013/London (3) 2013

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c5 7. Nge2 Nc6 8. d5 Na5 9. Ng3 a6 10. Be2 Nd7 11. Rc1!? b5!? 12. cxb5 axb5 13. Bxb5 Ne5 14. O-O Nac4 15. Bg5 Bd7?! 16. Bxd7 Qxd7 17. Qe2!+/= Nxb2?! 18. Qxb2 Nd3 19. Qd2 Nxc1 20. Rxc1+/= Bxc3?! 21. Rxc3 Rfb8 22. Qc2! f6 23. Bc1 Qa4 24. a3+/- Kf7 25. Nf1 Qxc2 26. Rxc2 f5 27. Nd2 Ra4 28. Nc4 fxe4 29. fxe4 Rb3 30. Kf2 Ke8 31. e5! Ra6 32. exd6 exd6 33. Ke2 Kd7 34. Bf4 h5 35. h4! Ra4 36. Kd2 Rb1 37. Kc3 Ra6 38. Re2 Rd1 39. Re6 Rxd5 40. Rxg6 Rd4 41. Bxd6+- Rxh4 42. Ne5+ Kc8 43. Rg8+ Kb7 44. Bxc5 Re6 45. Rg7+ Kc8 46. Nc4 Rg4 47. Nd6+ Kb8 48. Rb7+ Ka8 49. Rd7 Rg8 50. Nc4 Rxg2 51. Bd6 Rxd6 52. Nxd6 h4 53. Rh7 Rh2 54. Kb4 h3 55. Ka5 1-0


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