Blunder Blues at Final Master

World No. 1 - Magnus Carlsen benifit from a blunder made in an equal position by Vallejo Pons in round 8 of the  Final Master 2011 (Bilbao).

Magnus Carlsen (2823) - Vallejo Pons (2716)
Final Master, Round 8, 8.10.2011

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3 Qb6 9. Nxg6 hxg6 10. Bd2 Bd6 11. h3 Nbd7 12. O-O-O Qxb3 13. axb3 a6 14. Kc2 Nh5 15. Bd3 Ng3 16. Rhe1 O-O-O 17. e4 dxe4 18. fxe4 c5 19. d5 Rde8 20. Na2 exd5 21. exd5 Nf5 22. b4 Nd4+ 23. Kb1 Nb3 24. Bc3 cxb4 25. Nxb4 Be5 26. Na2 Bxc3 27. Nxc3 Ndc5 28. Rxe8+ Rxe8 29. Bc2 Re3 30. Ka2 Na5 31. Rd4 Rg3 32. Ne4
 

after 32...Nxe4 33.Bxe4 the game continue to be equal but Vallejo blunder with    32...Rxg2??  which caused him the game after 33. Rd2 Rxd2 34. Nxd2 Now black can't prevent white to play  35.b4 and black will lost material 34...b5 35. b4 Nab7 36. bxc5 Nxc5 37. Ne4 Nb7 38. c5 f5 39. c6! fxe4 40. cxb7+ Kxb7 41. Bxe4 Kc7 42. Kb3 a5 43. Kc3 a4 44. Bc2 g5 45. Kd4 Kd6 46. Bd1 1-0 Black lone king can't help to protect all his pawns which will drop soon.