[Event "City Championship"] [Site "Memphis, TN"] [Date "2008.02.22"] [Round "7"] [White "Kovalic, Jeff"] [Black "Smith, Aaron"] [Result "0-1"] [ECO "B12"] [WhiteElo "1820"] [BlackElo "1665"] [Annotator "Fritz 11 (57s)"] [PlyCount "142"] [EventDate "2008.??.??"] {B12: Caro-Kann: Advance Variation} 1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Be3 Qc7 6. Nf3 Bxc5 7. Bxc5 {last book move} Qxc5 {White king safety dropped} 8. Na3 Bd7 9. c4 {Black has a cramped position} Ne7 10. Qb3 (10. Bd3 Qb4+ 11. Qd2 Nbc6 $11) 10... Nbc6 11. cxd5 ({Worse is} 11. Qxb7 Qa5+ 12. b4 Qxa3 (12... Qxb4+ $6 13. Qxb4 Nxb4 14. cxd5 $15) 13. Qxa8+ Bc8 $19) 11... Nxd5 12. Bb5 (12. Qxb7 $4 {the pawn is indigestible} Rb8 13. Qxb8+ Nxb8 $19) 12... a6 13. Bxc6 Bxc6 ({Less advisable is} 13... bxc6 14. O-O $14) 14. O-O {White castles and improves king safety} O-O 15. Rfc1 Qb4 16. Qxb4 Nxb4 17. Rc3 Bxf3 18. Rxf3 Rac8 (18... Rad8 19. Rb3 Rd4 20. Rc3 $17) 19. Rb3 $11 {White threatens to win material: Rb3xb4} Nxa2 20. g3 Rc1+ (20... Nc1 21. Rxb7 Nd3 22. f4 $15) 21. Rxc1 $11 Nxc1 22. Rxb7 g6 23. Nc4 Nd3 24. f4 Rc8 {Black threatens to win material: Rc8xc4} (24... g5 25. Rd7 Rc8 26. Nd6 Rc1+ 27. Kg2 Rc2+ 28. Kf3 Ne1+ 29. Kg4 gxf4 30. gxf4 (30. Kxf4 $143 Nd3+ 31. Kg5 h6+ (31... Rxh2 $4 {leads to mate in 4} 32. Rd8+ Kg7 33. Ne8+ Kf8 34. Nf6+ Ke7 35. Re8#) (31... Rxb2 $4 {will allow a snap mate in 4} 32. Rd8+ Kg7 33. Ne8+ Kf8 34. Nf6+ Ke7 35. Re8#) 32. Kxh6 Rxh2+ 33. Kg5 Nxe5 $15) (30. Nxf7 $143 f3 $19) 30... Rxh2 31. b4 $14) 25. Nd6 $14 {White threatens to win material: Nd6xc8. A classical outpost} Rc1+ 26. Kg2 Rc2+ {Black forks: b2+g2} 27. Kh3 (27. Kf3 Rxh2 (27... Nxb2 $143 28. Nxf7 Rxh2 29. Ng5 $18) 28. Rd7 Ne1+ (28... Rxb2 $2 {is nothing because of} 29. Rd8+ (29. Rxf7 $6 Rb3 30. Kg4 Nf2+ 31. Kg5 Ne4+ 32. Kh6 Rxg3 (32... Nxg3 $4 33. Rg7+ Kf8 34. Kxh7 Rb7 35. Rxb7 a5 36. Rf7#) 33. Rg7+ Kf8 34. Rf7+ Kg8 35. Rg7+ Kf8 36. Rf7+ Kg8 $11) 29... Kg7 30. Ne8+ Kh6 31. Rxd3 $18) 29. Kg4 h6 $16 (29... Rxb2 $2 {doesn't lead to anything significant} 30. Kg5 (30. Nxf7 $143 Nc2 $16) 30... Rb8 31. Nxf7 $18)) 27... Rxb2 (27... Nxb2 $2 28. Nxf7 Nd3 29. Ng5 $18) 28. Rxf7 {Black has a new passed pawn: a6} Nf2+ 29. Kh4 Ne4 30. Re7 Rxh2+ 31. Kg4 h5+ 32. Kf3 {White threatens to win material: Kf3xe4} Nd2+ 33. Ke3 Nf1+ {Black forks: e3+g3} 34. Kf3 Nd2+ 35. Ke3 Nf1+ {Twofold repetition} 36. Kd3 Nxg3 37. Rxe6 {White has a new protected passed pawn: e5. Black has a new protected passed pawn: h5} h4 $4 {a transit from better to worse} (37... Kh7 $142 $11 { and Black has air to breath}) 38. Rxg6+ $18 Kh7 (38... Kf8 39. f5 Nh5 40. Kd4 $18) 39. Rg4 Nf1 (39... Rh3 40. Kd4 Ne2+ 41. Kd5 Rd3+ 42. Ke4 Rd4+ 43. Ke3 Rxf4 44. Rg2 $18 (44. Rxf4 Nxf4 45. Kxf4 Kg6 $16)) 40. Ke4 (40. f5 Rh3+ 41. Ke4 Nd2+ 42. Kd4 Nb3+ 43. Kd5 Rd3+ 44. Ke6 Rd4 $18) 40... h3 (40... Re2+ 41. Kd4 Rd2+ 42. Kc3 Rc2+ 43. Kb3 Re2 44. Rxh4+ Kg8 $18) 41. Kf3 (41. Rh4+ $142 {and White can celebrate victory} Kg6 42. e6 $18) 41... Nd2+ $11 42. Kg3 {White threatens to win material: Kg3xh2} Nf1+ 43. Kh4 $4 {instead of simply winning the game} ( 43. Kf3 Nd2+ 44. Ke3 Nf1+ 45. Kd3 Rd2+ 46. Kc3 h2 47. Rh4+ Kg6 48. f5+ Kg5 $11) 43... Rh1 (43... Rg2 $142 {makes sure everything is clear} 44. Rg7+ Rxg7 45. Kxh3 a5 $19) 44. e6 {A strong pawn} (44. Kg5 h2 45. Kf6 Rg1 46. Rh4+ Kg8 $11) 44... h2 45. Ne4 $4 (45. Rg2 $142 {was necessary} Ne3 46. Rd2 $11) 45... Rg1 $19 46. Nf2 h1=Q+ $4 {ignoring the path to victory.} (46... Ne3 $142 {and the rest is a matter of technique} 47. Rg5 Nd1 $19) 47. Nxh1 $11 Rxh1+ 48. Kg5 Rh6 $4 (48... Kg7 49. f5 Ne3 50. f6+ Kg8 51. f7+ Kf8 52. Rb4 Rg1+ 53. Kh4 $14) 49. Rh4 (49. f5 Kg7 50. Rd4 Rh5+ 51. Kxh5 $18) 49... Rxh4 $11 {Black has a king attack} 50. Kxh4 $4 {spoils everything} (50. e7 $142 {would hold out} Rh5+ 51. Kxh5 Ng3+ 52. Kg5 Ne4+ 53. Kf5 Nd6+ 54. Ke6 $11) 50... Kg7 51. Kg5 Ne3 52. f5 Nd5 53. e7 Kf7 54. f6 Nxf6 55. Kf5 Kxe7 56. Ke5 Kd7 (56... Ng8 {might be the shorter path} 57. Kd5 Kd7 58. Kd4 $19) 57. Kd4 Kc6 58. Kc4 (58. Kc3 {doesn't improve anything} a5 59. Kc4 Nd7 60. Kb3 Nc5+ 61. Kc2 a4 62. Kc3 Kb5 63. Kc2 Nd7 64. Kd3 Nb6 65. Ke3 Nc4+ 66. Kd4 a3 67. Kd5 a2 68. Ke4 a1=Q 69. Kf5 Qf1+ 70. Kg6 Ne5+ 71. Kg5 Qf2 72. Kh6 Qf6+ 73. Kh5 Qg6+ 74. Kh4 Qg4#) 58... a5 59. Kb3 (59. Kd4 {cannot change destiny} Nd5 60. Ke4 a4 61. Kd3 Kc5 62. Kc2 Kd4 63. Kc1 Kc3 64. Kb1 Kc4 65. Kc2 Nf6 66. Kd2 a3 67. Ke3 Nd5+ 68. Ke4 a2 69. Kf3 a1=Q 70. Kg4 Qg7+ 71. Kf5 Kd4 72. Ke6 Ke4 73. Kd6 Qc7+ 74. Ke6 Qe7#) 59... Kb5 60. Ka3 (60. Kc2 {cannot undo what has already been done} Kc4 61. Kd2 a4 62. Ke3 a3 63. Kf4 Nd5+ 64. Kg3 a2 65. Kg4 a1=Q 66. Kf3 Qf6+ 67. Kg3 Qf4+ 68. Kh3 Qg5 69. Kh2 Nf4 70. Kh1 Qg2#) 60... a4 61. Ka2 (61. Kb2 {doesn't change the outcome of the game} Ne4 62. Kc1 Kc5 63. Kb2 Nd6 64. Kc3 a3 65. Kb3 Nc4 66. Ka2 Kb4 67. Ka1 Nd6 68. Ka2 Nf5 69. Kb1 Kb3 70. Kc1 a2 71. Kd2 a1=Q 72. Ke2 Qe5+ 73. Kf3 Nd6 74. Kf2 Ne4+ 75. Kf3 Kc3 76. Kg4 Kd3 77. Kh4 Qg5+ 78. Kh3 Qg3#) 61... Kb4 62. Kb2 Ne4 63. Ka2 (63. Kc2 {does not solve anything} Kc4 64. Kb2 Nd6 65. Kc1 a3 66. Kb1 Kc5 67. Ka1 Kb4 68. Ka2 Nc4 69. Ka1 Kb3 70. Kb1 Nd2+ 71. Kc1 Nf1 72. Kb1 Ne3 73. Kc1 a2 74. Kd2 Nc4+ 75. Kd3 a1=Q 76. Ke4 Qe5+ 77. Kf3 Qf6+ 78. Ke4 Kc2 79. Kd5 Kd3 80. Kc5 Qb6+ 81. Kd5 Qd6#) 63... a3 (63... Nd6 64. Kb2 a3+ 65. Kc2 Kc4 66. Kb1 Kc5 67. Ka1 Kb4 68. Ka2 Nc4 69. Ka1 Kb3 70. Kb1 Na5 71. Ka1 Nc6 72. Kb1 Kc3 73. Ka2 Kb4 74. Ka1 Nd4 75. Ka2 Nc2 76. Kb1 Kb3 77. Kc1 a2 78. Kd2 a1=Q 79. Ke2 Qf6 80. Kd3 Qe5 81. Kd2 Qe4 82. Kc1 Qe1#) 64. Ka1 Kb3 (64... Ka4 65. Ka2 Nc3+ 66. Ka1 Nd5 67. Ka2 Ne3 68. Kb1 Kb3 69. Kc1 a2 70. Kd2 Nc4+ 71. Kd3 a1=Q 72. Ke4 Qe5+ 73. Kf3 Qf6+ 74. Ke4 Kc2 75. Kd5 Kd3 76. Kc5 Qb6+ 77. Kd5 Qd6#) 65. Kb1 Nc3+ 66. Ka1 Nb5 67. Kb1 Kb4 68. Ka2 (68. Kc2 {does not save the day} Nd6 69. Kd3 a2 70. Kd2 a1=Q 71. Ke3 Qe5+ 72. Kf3 Qf5+ 73. Ke2 Kc3 74. Ke3 Ne4 75. Ke2 Nd2 76. Ke3 Qf3#) 68... Kc3 69. Kb1 (69. Ka1 {doesn't get the bull off the ice} Nd4 70. Kb1 Nc2 71. Ka2 Kc4 72. Kb1 Kb3 73. Kc1 a2 74. Kd2 a1=Q 75. Ke2 Qf6 76. Kd3 Qe5 77. Kd2 Qe4 78. Kc1 Qe1#) 69... Kb3 70. Ka1 (70. Kc1 { hardly improves anything} a2 71. Kd2 a1=Q 72. Ke2 Qf6 73. Ke3 Nc3 74. Kd3 Qe5 75. Kd2 Qe4 76. Kc1 Qc2#) 70... Nd4 71. Kb1 a2+ (71... a2+ 72. Kc1 Kc3 73. Kd1 a1=Q#) 0-1