1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 Nxd5 7. Qc2 The most aggressive continuation in the Queen's Indian Defense- the Petrosian Variation. White's aggressive plan is to build a strong center and to develop a King-side initiative. Black, as always in the Queens Indian, has active piece play and counterplay on theQueen-side 7... Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5 11. O-O Qc8 This is a modern idea with a two pronged threat. Black encourages the possibility of exchanging the most dangerous white piece ( the Queen ). The second prong of the idea is to swap the light squared bishops after 12. Qe2 Ba6! resulting in an equal game. 12. Qa2 An idea of . 12... Ba6 will be met with Bxa6 and the subsequent 13. d4- d5! push creating a strong passed pawn. 12... Rd8 12... Ba6 13. Bxa6 Qxa6 14. d5 exd5? 15. Qxd5 Losing a piece 13. Rd1 Ba6 14. Bxa6 Nxa6 15. Qe2 Qb7 Black main k in this position is the N on a6, developed on the rim of the board . Leko is planning to bring the knight back into the game in a few moves, however, this gives time and initiative for Radjabov to create some threats in the center and on the King-side. 16. h4 Nc7 17. h5 h6 18. Ne5 Ne8 19. Bb2 Nf6 20. Re1 b5 21. Rad1 The knight is excellently posted on e5.This centralization hints a clear plan of Rd3 to g3 and d4-d5. Leko quickly asserts himself and creates some counterplay chances on the Queen-side before it is too late. 21... cxd4 22. cxd4 b4 23. a4 Rac8 24. Rd3 Rc7 More accurate was Bf8! Radjabov breaks the King-side position and develops a dangerous attack on the Black monarch. 25. d5! exd5 26. exd5 Rxd5 27. Nxf7! A typical yet very strong blow within the Black camp! White's forces actively work together and swarm Black. The pieces Bb2, Qe2, Re1, and the pawn on h5 (which helps to reach key g6 square) all cooperating in the main variations. 27... Rxd3 27... Kxf7 28. Bxf6 Rxd3 29. Qxd3 Kg8 (29... Bxf6 30. Qg6+ Kg8 31. Re8#) (29... gxf6 30. Qg6+ Kf8 31. Qxh6+ Ke8 32. Qg6+ Kd7 33. Qf5+ Kd8 34. h6 And black can't stop the pawn) 30. Bxg7! 28. Nxh6+ Another strong variation is... 28. Qxd3 Qd5 (28... Kxf7 29. Bxf6) 29. Qg3! Threating Rc7 29... Qd2 30. Kf1 Qc2 31. Nxh6+ Kh7 32. Bxf6 (32. Nf5 Qxf5 33. Qxc7 Bc5 34. Qg3 Ng4 And black has strong compensation for the exchange.) 32... Bxf6 33. Nf5! Qc4+ 34. Kg1 Qf7 35. Qd3 And the attack continues with white being a pawn up. 28... Kf8 29. Qxd3 Qd5 The only defensive move! It is clear that white has few chances in the resulting endgame. 30. Qg3 30. Qxd5 Nxd5 31. Nf5 Bf6 The pawn on b4 is extremely dangerous! 30. Qg6!? An interesting idea, however the follow-up does not appear to be decisive. 30... Qxh5 31. Qg3! Rb7 32. Bxf6 Bxf6 33. Qd6+ Re7 34. Rxe7 Bxe7 35. Qb8+ Qe8 36. Qf4+ Bf6 37. Qxb4+ Qe7 with good drawing chances - white is pawn up, but black has a powerful bishop. 30... Bd6! White's pieces lose coordination with this one strike. 31. Qh3 Qxh5 32. Qxh5 Nxh5 33. Nf5 Bf4 34. Re4 Bd2 Now black is better. The pawn on b4 is extremely valuable. In the time trouble Leko firmly outplays his young talented opponent. White's position is very difficult to defend. 35. Nd4 Kf7 36. Re2 Bc1 37. Nb5 Nf4 38. Re4 Rc2 39. Nd6+ 39. Bxc1 Rxc1+ 40. Kh2 Nd3 Unpleasant as well. 39... Kg6 40. Bxc1 Rxc1+ 41. Kh2 Nd5 42. Nb5 b3 43. Re6+ Kh7 44. Re2 Rc2 45. Re1 b2 46. Rb1 a6 and white resigns. A tragic game for Radjabov. 0-1 [Alterman and Doss]