[Event "11th Metropolitan Invitational"]
[Site "Los Angeles USA"]
[Date "2011.08.23"]
[Round "1"]
[White "Khachiyan, M."]
[Black "Ginsburg, M."]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "2505"]
[BlackElo "2387"]
[Annotator "Müller,Karsten"]
[PlyCount "121"]
[EventDate "2011.08.23"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "9"]
[Source "Mark Crowther"]
[SourceDate "2011.09.12"]

1. e4 c5 2. Nc3 a6 3. Nf3 e6 4. d4 cxd4 5. Nxd4 Qc7 6. Be2 Nf6 7. O-O d6 8. a4
b6 9. f4 Bb7 10. Bf3 Nbd7 11. Kh1 Be7 12. Qe2 Rc8 13. e5 Bxf3 14. Nxf3 dxe5 15.
fxe5 Ng4 16. Qxa6 Qc4 17. Qxc4 Rxc4 18. a5 Bc5 19. axb6 O-O 20. Nd2 Rb4 21.
Nde4 Bd4 22. Ra4 Rxa4 23. Nxa4 Nxb6 24. c3 Be3 25. Nxb6 Bxb6 26. Bf4 Bc7 27.
Nd6 f6 28. Bg3 Ra8 29. h3 Nxe5 30. Bxe5 fxe5 31. Ne4 Ra2 32. Rb1 Bb6 33. g4 Kf7
34. Kg2 Kg6 35. Kf3 h5 36. Ke2 hxg4 37. hxg4 Ra8 38. Rd1 Rh8 39. Rd6 Rh2+ 40.
Kd3 Rxb2 41. Rxe6+ Kf7 42. Ng5+ Kf8 43. Rxe5 Rg2 44. Re4 Rg3+ 45. Kc2 Ba5 46.
c4 Bb4 {At first they outplay Black's rook and bishop combination:} 47. c5 $1 {
A nice tactical blow, which is deeper than it looks at first sight.} Rc3+ (
47... Ba5 48. Ra4 Bd8 49. Ne6+ Ke7 50. Nxg7 $18) 48. Kb2 Rxc5 49. Ne6+ Kf7 50.
Nd8+ $1 {White's point} (50. Nxc5 $2 Bxc5 {is only drawn, e.g.} 51. Kc3 Kf6 52.
Rf4+ Kg6 53. Rf5 Bd6 54. Kd4 Be7 55. Ke4 Bf6 56. Kf4 Be7 57. g5 Kh5 58. Rd5 g6
$11) 50... Kf6 51. Rxb4 {It is extremely difficult to win this endgame despite
the clear extra knight as rook and knight do not coordinate well in this
configuration. I only give sample lines in the following analysis as a full
proof seems to be too deep as White's manovers often need a lot of time.} Rd5 (
51... Rc8 52. Nb7 Kg5 53. Nd6 Rf8 54. Nf5 g6 55. Ne3 Re8 (55... Rf3 56. Re4 Rf4
57. Re6 $18) 56. Nd5 Re5 57. Rd4 Kh4 58. Kc3 Kg3 59. Kc4 Kf3 60. Nf6 Kg3 61. g5
Kh3 62. Rd5 Re2 63. Kc5 Re6 64. Rd3+ Kh4 65. Kd5 Re7 66. Kd6 Re1 67. Rd5 Re3
68. Nh7 Kh5 69. Re5 Ra3 70. Nf6+ Kh4 71. Ke6 Rg3 72. Ne4 Rf3 73. Rb5 Rf1 74.
Rc5 Re1 75. Kf7 Rxe4 76. Kxg6 $18) 52. Rf4+ $6 (52. Nc6 $5 {seems to be more
precise, e.g.} Kg5 (52... Rd3 53. Rb5 Ke6 (53... Rg3 54. Rf5+ Ke6 (54... Kg6 $2
55. Ne7+ Kh7 56. Rh5#) 55. Nd4+ Ke7 56. Rf4 Kd6 57. Nf3 $18) 54. Rg5 Kf6 55.
Rc5 Ke6 56. Kc2 Rg3 57. Rg5 Kf6 58. Rf5+ Ke6 59. Nd4+ Ke7 60. Rf4 Kd6 61. Nf3
$18) 53. Kb3 Rc5 54. Nd4 Kh4 55. Ne6 Rc1 56. Re4 Rg1 (56... g5 57. Nd4 Rc8 58.
Nf3+ Kg3 59. Ne5 Rc5 60. Kb4 Rc8 61. Rc4 Re8 62. Nc6 Re1 63. Kc5 Rd1 64. Ne5
Rd8 65. Rd4 $18) 57. g5+ Kh5 58. Re5 Kg6 59. Nf4+ Kf7 60. Rf5+ Ke7 61. Kc3 $18)
52... Ke5 (52... Kg5 $2 53. Ne6+ Kh4 (53... Kg6 54. Nd4 Kg5 55. Re4 Kh4 56.
Nf3+ Kg3 57. Ne5 $18) 54. Re4 (54. Nxg7 $2 Rd2+ 55. Kc3 Rg2 56. Nf5+ Kg5 $11)
54... g5 55. Ng7 (55. Kc3 $5 Kg3 56. Nd4 $18) 55... Kg3 56. Nh5+ Kf3 57. Nf6
Rd6 58. Re5 Rxf6 (58... Kf4 59. Rf5+ Ke3 60. Kc3 $18) 59. Rf5+ $18) 53. Rf8 (
53. Rf5+ $2 {blows it:} Ke4 54. Rf8 (54. Rxd5 Kxd5 55. Nf7 Ke4 56. Kc3 Kf4 57.
g5 Kf5 58. Kd4 Kg6 $11) 54... Rg5 $11) 53... Ke4 54. Ne6 g5 $2 {This gives
White a clear and stable target.} (54... Rd2+ $1 55. Kc3 Rd3+ 56. Kc4 Rg3 {is
more tenacious:} 57. g5 Rg1 (57... Rg4 $2 58. Re8 Ke5+ 59. Kc5 Kf5 (59... Rg1
$6 60. Nd4+ $18) 60. Kd6 $18) 58. Rf2 Ke5 59. Nd8 $16 {and White should win in
the long run.}) (54... g6 $2 55. g5 Rd6 56. Nf4 Rb6+ 57. Kc3 Rb5 58. Nh3 $18)
55. Kc3 Ra5 $6 ({The bodycheck} 55... Ke3 $5 {offers more resistance, e.g.} 56.
Rf5 Rd3+ (56... Rxf5 $6 57. gxf5 g4 58. f6 g3 59. f7 g2 60. f8=Q g1=Q 61. Qc5+
$18) 57. Kc4 Rd6 58. Rf1 Ke2 (58... Rxe6 $6 59. Re1+ $18) 59. Rf6 Ke3 60. Rg6
Ra6 61. Kb5 Rd6 62. Rf6 Rd2 63. Ng7 Rd7 (63... Rg2 64. Nf5+ Ke4 65. Nh6 $18)
64. Ne8 Rd4 65. Re6+ Kf3 66. Nf6 Kg3 67. Kc6 Rd3 68. Rd6 $18) 56. Kb4 Re5 57.
Nc5+ ({The computer move} 57. Re8 $5 $18 {wins quicker.}) 57... Ke3 $6 (57...
Kd4 58. Rd8+ Ke3 59. Kb5 Kf4 60. Rd4+ Kg3 61. Kc6 Re3 62. Nd7 Rf3 63. Ne5 $18)
(57... Kd5 58. Rd8+ Kc6 59. Rg8 Kd5 (59... Rxc5 $6 60. Rg6+ Kd5 61. Rxg5+ $18)
60. Kb5 Kd6 61. Rg6+ Ke7 62. Kc4 Kf7 63. Ra6 Re1 64. Kd5 Rg1 65. Nd3 $18) 58.
Kc4 Re7 59. Kd5 Rh7 60. Ke5 Rh4 61. Kf5 (61. Kf5 Kf3 62. Kxg5+ Kg3 63. Rf3+
Kxf3 64. Kxh4 $18) 1-0

