[Event "Mexico City UNAM KO"] [Site "Mexico City"] [Date "2010.11.19"] [Round "1.1"] [White "Polgar, Judit"] [Black "Ivanchuk, Vassily"] [Result "0-1"] [WhiteElo "2686"] [BlackElo "2764"] [Variant "Standard"] [TimeControl "-"] [ECO "B18"] [Opening "Caro-Kann Defense: Classical Variation, Main Line"] [Termination "Unknown"] [Annotator "lichess.org"] 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 { B18 Caro-Kann Defense: Classical Variation, Main Line } h6 7. h5 Bh7 8. Nf3 e6 9. Bd3 Bxd3 10. Qxd3 Nf6 11. Bf4 Bd6 12. Bxd6 Qxd6 13. O-O-O Nbd7 14. Qe2 O-O 15. Ne5 Qc7 16. Rhe1 Rad8 17. f4 c5 18. dxc5 Nxc5 19. Qc4 Rc8 20. Kb1 Qb6 21. Qd4 Rfd8 22. Qf2 Nd5 23. Ne2 Qa5 24. a3?? { (-0.25 → -3.40) Blunder. Qf3 was best. } (24. Qf3 Nd7 25. c3 Nxe5 26. fxe5 Rc7 27. Nf4 Rcd7 28. Nxd5 Rxd5 29. Rxd5 Qxd5 30. Qxd5 Rxd5) 24... Ne4 25. Qh4? { (-3.30 → -6.67) Mistake. Qf3 was best. } (25. Qf3 Qxe1 26. Rxe1 Nd2+ 27. Kc1 Nxf3 28. gxf3 Ne3 29. Nc3 Nf5 30. Nd3 Nd4 31. Rf1 f6) 25... Nd2+ 26. Ka1?! { (-5.40 → -8.18) Inaccuracy. Rxd2 was best. } (26. Rxd2 Qxd2) 26... Ne3 27. Rc1 Nxc2+ 28. Rxc2 Rxc2 29. Qe7 Qc7?? { (-10.53 → -4.08) Blunder. Nb3+ was best. } (29... Nb3+ 30. Ka2 Qd2 31. Qxd8+ Qxd8 32. Kxb3 Qd2 33. Nc4 Qxe1 34. Kxc2 Qxe2+ 35. Kc3 Qxg2 36. Ne5) 30. Qb4?? { (-4.08 → -11.60) Blunder. Qxc7 was best. } (30. Qxc7 Rxc7 31. Nc3 Nc4 32. Nxc4 Rxc4 33. g3 Rd3 34. Rg1 Rd2 35. Kb1 a6 36. Re1 Rg2) 30... a5 31. Qa4 b5 32. Ng3?! { (-13.91 → Mate in 7) Checkmate is now unavoidable. Qxb5 was best. } (32. Qxb5 Rb8) 32... Nf3?! { (Mate in 7 → -12.43) Lost forced checkmate sequence. bxa4 was best. } (32... bxa4 33. Ne4 Rc1+ 34. Ka2 Nxe4 35. Rxc1 Qxc1 36. Nd3 Rxd3 37. f5 Nc3+ 38. bxc3 Rd2#) 33. Nxf3?! { (-12.43 → Mate in 7) Checkmate is now unavoidable. Qxc2 was best. } (33. Qxc2 Qxc2 34. Nxf3 Qxg2 35. Ne2 Qxf3 36. Nc1 Qf2 37. Rh1 Qxf4 38. Na2 Qf3 39. Rc1 Qxh5) 33... Ra8?? { (Mate in 7 → -0.92) Lost forced checkmate sequence. Rc1+ was best. } (33... Rc1+ 34. Ka2 bxa4 35. Rxc1 Qxc1 36. Ne2 Qc4+ 37. b3 Qxb3+ 38. Ka1 Rd1+ 39. Nc1 Rxc1#) 34. Rh1?? { (-0.92 → -23.32) Blunder. Qe4 was best. } (34. Qe4 Rd8 35. Kb1 Rxg2 36. Ne2 Qc4 37. Qxc4 bxc4 38. Kc1 Rc8 39. Kd2 Rc5 40. Kc3 Rf2) 34... Qd6?? { (-23.32 → 5.58) Blunder. bxa4 was best. } (34... bxa4 35. Ne2 Rxe2 36. f5 exf5 37. Nd4 Rxg2 38. Rb1 Qe5 39. Nc6 Qf6 40. Nxa5 Rxa5 41. Ka2) 35. Ne5?? { (5.58 → -17.95) Blunder. Qxc2 was best. } (35. Qxc2 Qxf4 36. Ne2 Qd6 37. Rd1 Qf8 38. Ne5 Rc8 39. Nc6 Kh8 40. Qe4 b4 41. a4 f5) 35... Qc7?? { (-17.95 → -1.62) Blunder. bxa4 was best. } (35... bxa4 36. Ne4 Qd5 37. Nc3 Qb3 38. Nxa4 Qxa4 39. Rb1 Qd4 40. g4 Rb8 41. Nc6 Rxc6 42. f5) 36. Rd1?? { (-1.62 → -17.34) Blunder. Qb3 was best. } (36. Qb3 b4 37. Rb1 bxa3 38. Qxa3 Rb8 39. Nf1 Rxg2 40. Ne3 Rg3 41. Rf1 Rh3 42. Re1 Rxh5) 36... Rf8?? { (-17.34 → -0.96) Blunder. bxa4 was best. } (36... bxa4 37. Nd3 Rxg2 38. Nh1 Qc2 39. Nhf2 Rxf2 40. Nxf2 Qxf2 41. Rb1 Rb8 42. Ka2 Qxf4 43. Ka1) 37. Qc4?? { (-0.96 → -17.41) Blunder. Qb3 was best. } (37. Qb3 b4 38. Ne4 Rc1+ 39. Ka2 a4 40. Qxa4 bxa3 41. Rxc1 Qxc1 42. Qxa3 Qxf4 43. Nd7 Rd8) 37... Qb6?? { (-17.41 → 7.40) Blunder. bxc4 was best. } (37... bxc4) 38. Kb1?? { (7.40 → -17.48) Blunder. Qxc2 was best. } (38. Qxc2 Qa7 39. Ne4 b4 40. Nd7 Ra8 41. Qc6 bxa3 42. bxa3 a4 43. Nd6 Qa6 44. Qc2 Qa5) 38... Rc8?? { (-17.48 → -0.60) Blunder. bxc4 was best. } (38... bxc4 39. Kxc2 Qb3+ 40. Kc1 c3 41. Nd3 cxb2+ 42. Nxb2 Qc3+ 43. Kb1 Rb8 44. Rd8+ Rxd8 45. Ne4) 39. Ne2?? { (-0.60 → Mate in 14) Checkmate is now unavoidable. Qd4 was best. } (39. Qd4 Qxd4 40. Rxd4 Rxg2 41. Ne4 Rh2 42. Nd6 Rcc2 43. Ndxf7 Rxb2+ 44. Kc1 Rbc2+ 45. Kd1 Rc8) 39... Rc1+?? { (Mate in 14 → 1.20) Lost forced checkmate sequence. Rxb2+ was best. } (39... Rxb2+ 40. Kxb2 bxc4+ 41. Kc1 Qe3+ 42. Kc2 Qb3+ 43. Kc1 Rb8 44. Kd2 Rd8+ 45. Nd4 Rxd4+ 46. Ke2) 40. Rxc1?? { (1.20 → -6.56) Blunder. Qxc1 was best. } (40. Qxc1 Rxc1+ 41. Nxc1 f6 42. Ng6 Qc7 43. Nb3 Kf7 44. Rc1 Qd8 45. g4 a4 46. Nc5 Qd2) 40... Rd8?? { (-6.56 → 8.13) Blunder. bxc4 was best. } (40... bxc4 41. Rc2 Qf2 42. Nc3 Qxf4 43. Re2 Rc5 44. Nf3 Kh7 45. Ka2 Rxh5 46. Re4 Qg3 47. Re2) 41. Ka1?? { (8.13 → -6.79) Blunder. Qc7 was best. } (41. Qc7) 41... Qc7?? { (-6.79 → Mate in 11) Checkmate is now unavoidable. bxc4 was best. } (41... bxc4 42. Nc3 Qf2 43. Nc6 Rd3 44. Ne5 Rd4 45. g4 Qxf4 46. Re1 Rd2 47. Re4 Qf1+ 48. Ka2) 42. Re1?? { (Mate in 11 → -6.26) Lost forced checkmate sequence. Qxc7 was best. } { Black wins. } (42. Qxc7 Rf8 43. Qxa5 Rb8 44. Rc7 b4 45. Qa7 Rd8 46. Rxf7 Rd1+ 47. Ka2 b3+ 48. Kxb3 Rd3+) 0-1