Chess puzzle: The missed chances (medium)

Today both me and my opponent missed a chance to turn the game around.

[Event "rated standard match"]
[Site "Free Internet Chess Server"]
[Date "2008.08.07"]
[Round "?"]
[White "tordi"]
[Black "Magnakai"]
[Result "1-0"]
[WhiteElo "1420P"]
[BlackElo "1695"]
[ECO "A40"]
[TimeControl "1200+20"]
[JsCom "startply 28"]

1. d4 g6 2. Nf3 Bg7 3. c4 b6 4. e3 Bb7 5. Nc3 d6 6. Bd3 Nd7 7. O-O e6 8. d5
e5 9. e4 Nc5 10. Bc2 Ba6 11. b3 Nf6 12. Re1 O-O 13. Ng5 h6 14. Nf3 Qd7 $2
{Crafty (score 2.13 at depth 10) thinks this is not a good move} ({Crafty
suggests:} 14. ... Nh5 15. Ne2 Qf6 16. b4 Nd7 17. Qd3 Bb7 18. g4 Nf4 19. Nxf4
exf4 $11 {(score 0.07 at depth 9)} ) 15. Be3 Ncxe4 $2 {Crafty (score 3.14 at
depth 10) thinks this is not a good move} ({Crafty suggests:} 15. ... Nb7 16.
Qc1 Ng4 17. Bd2 Rfd8 18. h3 Nf6 19. Bxh6 Nc5 20. Bxg7 Kxg7 $18 {(score 1.47
at depth 9)} ) 16. Nxe4 Kh7 17. Qd2 $2 {Crafty (score 1.83 at depth 10)
thinks this is not a good move} ({Crafty suggests:} 17. Nxf6+ Bxf6 18. h3 Bg7
19. Rc1 Bb7 20. Qd2 Rad8 21. Be4 a6 $18 {(score 3.78 at depth 9)} ) Ng4 18.
h3 Nxe3 19. Qxe3 b5 20. Nfd2 b4 21. f4 $2 {Crafty (score 1.50 at depth 9)
thinks this is not a good move} ({Crafty suggests:} 21. a3 bxa3 22. Rxa3 Bc8
23. Rxa7 Rxa7 24. Qxa7 f5 25. Nc3 c5 26. Qb6 $18 {(score 3.83 at depth 10)} )
f5 22. fxe5 Bxe5 $2 {Crafty (score 3.27 at depth 9) thinks this is not a good
move} ({Crafty suggests:} 22. ... fxe4 23. e6 Qe7 24. Rad1 Be5 25. Rf1 Rae8
26. Bxe4 c5 $18 {(score 1.40 at depth 9)} ) 23. Rab1 $4 {Crafty (score -0.67
at depth 9) thinks this is a blunder} ({Crafty suggests:} 23. Nc5 Qe8 24. Ne6
Bxa1 25. Nxf8+ Qxf8 26. Rxa1 Qe8 27. Qf4 Qe5 $18 {(score 3.27 at depth 9)} )
fxe4 24. Bxe4 Kg7 25. Nf3 Bc3 26. Rf1 Bb7 $2 {Crafty (score 1.79 at depth 9)
thinks this is not a good move} ({Crafty suggests:} 26. ... Qe7 27. Nd4 Bxd4
28. Qxd4+ Rf6 29. Rbe1 Qe5 30. Qd3 Re8 31. Bxg6 Qxe1 32. Rxe1 Rxe1+ $14
{(score 0.29 at depth 9)} ) 27. Nh4 g5 28. Nf5+ Kh8 29. Nxh6 $2 {Crafty
(score -1.57 at depth 9) thinks this is not a good move} ({Crafty suggests:}
29. a3 Rf6 30. Rf2 a5 31. Rbf1 Qe8 32. axb4 axb4 33. Qf3 $16 {(score 0.94 at
depth 9)} ) c5 $4 {Crafty (score 3.57 at depth 9) thinks this is a blunder}
({Crafty suggests:} 29. ... Qg7 30. Rxf8+ Rxf8 31. Rd1 Qxh6 32. Qxa7 Qh5 33.
g4 Qe8 34. Qxb7 Qxe4 35. Qxc7 $19 {(score -1.57 at depth 9)} ) 30. Rxf8+ Rxf8
31. Qxg5 Qg7 32. Qxg7+ Kxg7 33. Nf5+ Kg8 34. Nxd6 Bd4+ 35. Kh1 Bc8 36. g4 Bd7
37. Nf5 Rf6 $2 {Crafty (score 6.22 at depth 11) thinks this is not a good
move} ({Crafty suggests:} 37. ... Bxf5 38. Bxf5 Be5 39. Rf1 Bg3 40. g5 Re8
41. Kg2 Re1 42. Rf3 $18 {(score 4.04 at depth 10)} ) 38. Rf1 $2 {Crafty
(score 4.23 at depth 11) thinks a good move has been missed} ({Crafty
suggests:} 38. Nxd4 cxd4 39. c5 Rf4 40. Re1 Kf7 41. c6 Be8 42. a3 d3 43. axb4
$18 {(score 6.22 at depth 11)} ) Kh7 $4 {Crafty (score 10.30 at depth 11)
thinks this is a blunder} ({Crafty suggests:} 38. ... Bxf5 39. Bxf5 Be3 40.
h4 Kg7 41. g5 Rd6 42. Kg2 a5 43. g6 Rf6 $18 {(score 4.23 at depth 11)} ) 39.
Nxd4+ Kg7 40. Rxf6 Kxf6 41. Nf3 a6 42. h4 $2 {Crafty (score 8.22 at depth 12)
thinks this is not the quickest way to win} ({Crafty suggests:} 42. g5+ Ke7
43. h4 a5 44. Ne5 Bc8 45. g6 Kf6 46. Nd3 Bg4 47. Kg2 Kg7 48. Nxc5 $18 {(score
11.21 at depth 11)} ) Bxg4 43. Kg2 Kg7 $4 {Crafty (score 12.23 at depth 12)
thinks this move loses more quickly} ({Crafty suggests:} 43. ... Bh5 44. Kg3
a5 45. Kf4 Ke7 46. Ke5 Kd7 47. d6 Bf7 48. Bf5+ Kd8 49. Ng5 Bh5 $18 {(score
8.94 at depth 12)} ) 44. d6 $2 {Crafty (score 9.65 at depth 11) thinks this
is not the quickest way to win} ({Crafty suggests:} 44. Ne5 $18 {(score 12.23
at depth 12)} ) Kf6 45. d7 $4 {Crafty (score 6.88 at depth 12) thinks this is
not the quickest way to win} ({Crafty suggests:} 45. Kg3 $18 {(score 10.03 at
depth 11)} ) Bxd7 46. h5 Kg7 47. Kg3 Kh6 48. Kh4 $2 {Crafty (score 5.99 at
depth 13) thinks this is not the quickest way to win} ({Crafty suggests:} 48.
Bg6 a5 49. Ne5 Be6 50. Kf4 Bh3 51. Nd3 Bg2 52. Ke5 a4 53. Nxc5 a3 $18 {(score
7.69 at depth 12)} ) Be8 49. Bg6 Bc6 $4 {Crafty (score 12.15 at depth 12)
thinks this move loses more quickly} ({Crafty suggests:} 49. ... Bxg6 50.
hxg6 Kxg6 51. Ne5+ Kf5 52. Nd3 a5 53. Nxc5 Ke5 54. Nb7 Kd4 55. Kg3 Ke4 56.
Kf2 Kd4 57. Nxa5 $18 {(score 5.71 at depth 14)} ) 50. Ne5 Bg2 $2 {Crafty
(score 14.99 at depth 12) thinks this move loses more quickly} ({Crafty
suggests:} 50. ... Bb7 51. Nf7+ Kg7 52. Kg5 Kf8 53. h6 Ke7 54. h7 Be4 55.
h8=Q Bxg6 56. Kxg6 Kd7 57. Qd8+ Kc6 58. Qd6+ Kb7 59. Qxc5 $18 {(score 13.29
at depth 12)} ) 51. Be8 $4 {Crafty (score 8.80 at depth 11) thinks this is
not the quickest way to win} ({Crafty suggests:} 51. Nf7+ Kg7 52. Kg5 Kf8 53.
h6 Ke7 54. h7 a5 55. h8=Q Kd7 56. Bf5+ Kc6 57. Qc8+ Kb6 58. Qb8+ Bb7 59. Be4
a4 60. Qxb7+ $18 {(score 14.99 at depth 12)} ) Be4 $4 {Crafty (score 12.27 at
depth 12) thinks this move loses more quickly} ({Crafty suggests:} 51. ... a5
52. Bg6 Kg7 53. Kg5 Kf8 54. Nd7+ Kg8 55. Nxc5 Bf3 56. h6 Kf8 57. Kf6 $18
{(score 8.80 at depth 11)} ) 52. Bb5 $4 {Crafty (score 5.68 at depth 13)
thinks this is not the quickest way to win} ({Crafty suggests:} 52. Bg6 $18
{(score 12.27 at depth 12)} ) Bb1 53. Bxa6 $2 {Crafty (score 5.34 at depth
13) thinks this is not the quickest way to win} ({Crafty suggests:} 53. Ba4
Bxa2 54. Nd7 Bb1 55. Nxc5 a5 56. Nb7 Be4 57. Nxa5 Bf3 58. Nc6 Bxh5 59. Nxb4
$18 {(score 6.98 at depth 12)} ) Bxa2 54. Ng4+ Kh7 55. Bc8 Bxb3 56. Bf5+ Kh8
57. Bd3 Bd1 58. Ne3 Bf3 59. h6 b3 60. Kg5 b2 61. Bb1 Be2 62. Kf6 Bg4 $4 {This
offers a mate in 5 to the opponent} ({Crafty suggests:} 62. ... Kg8 63. Ke7
Bh5 64. Kd6 Kf7 65. Nd5 Bg6 66. Nc3 Bh5 67. h7 Kg7 68. Kxc5 $18 {(score 6.70
at depth 12)} ) 63. Nxg4 Kg8 64. Ne5 Kh8 65. Nd7 ({Mate in 5 missed} 65. Nf7+
Kg8 66. h7+ Kf8 67. h8=Q# ) Kg8 66. Nxc5 ({Mate in 7 missed} 66. Ne5 Kh8 67.
Nf7+ Kg8 68. h7+ Kf8 69. h8=Q# ) Kh8 67. Nd3 Kg8 68. c5 ({Mate in 7 missed}
68. Ne5 Kh8 69. Nf7+ Kg8 70. h7+ Kf8 71. h8=Q# ) Kf8 69. c6 Ke8 70. h7 ({Mate
in 7 missed} 70. Nc5 Kd8 71. Na6 Ke8 72. h7 Kd8 73. h8=Q# ) Kd8 71. h8=Q+ Kc7
72. Nxb2 Kd6 73. c7 ({Mate in 7 missed} 73. Qb8+ Kc5 74. Ba2 Kxc6 75. Nd3 Kd7
76. Ne5# ) Kd5 74. c8=Q Kd6 75. Qh2+ ({Mate in 1 missed} 75. Qhd8# ) Kd5 76.
Qc4# {Magnakai checkmated} 1-0

1. Find a better move 15 for white which wins material.

2. Find a better move 29 for black that wins material.

No comments yet.

Leave a comment