Ian Udani (GOLDIS) vs. FM Nicholas Chan (SMS Gold)
DATCC Team League, 29.7.09, Round 15
Analysed by Hairulov and Fritz
1. Nf3 Nf6 2. c4 e6 3.Nc3 c5 4. d4 cxd4 5. Nxd4 Bb4 6. Ndb5 O-O 7. a3 Be7 8. e4 d6 9. Be2 a6 10. Nd4 Qc7 11. O-O b6 12. Be3 Bb7 13. f3 Nbd7 14. Rc1 Rac8 15. Qd2 Qb8 16. Rfd1 Rfd8 
Nicholas love to play Hedgehog position. Lately i've seen him played this set-up several times. Possibily he have one as his pet in his house :) Hedgehog set-up is where black complete his opening phase by putting all his pawns and pieces behind his 4th rank. He then wait for white to "overpush' and then will try to punish his opponent mistake. It's more like wait and see approach. 17. Bf1 Bf8 18. Qf2 Ba8 19. b4
Nicholas love to play Hedgehog position. Lately i've seen him played this set-up several times. Possibily he have one as his pet in his house :) Hedgehog set-up is where black complete his opening phase by putting all his pawns and pieces behind his 4th rank. He then wait for white to "overpush' and then will try to punish his opponent mistake. It's more like wait and see approach. 17. Bf1 Bf8 18. Qf2 Ba8 19. b4
Nicholas thinking on his move 19th
19...Bb7 20. Nb3 Bc6 if 20... Ba8 21. Na4 b5 22.Ba7 and black is in deep trouble 21. Rd2 h6 22. Rcd1 Ne8 23. Kh1 Be7 24. Qg3 Kh8 25. Bd4 Qa8 26. Qf2 Rb8 27. a4 Bg5 The first time black past his 3rd rank ! 28. Ra2 e5 29. Be3 Bxe3 30. Qxe3 Ndf6 31. Rad2 Udani play cautiosly too. He definetly know that if he overpush he will be attack by the "hedgehog thorn". However he can actually start to attack with 31. a5! b5 32. cxb5 axb5 33. a6 followed by 34.Ra5 with an overwhelming position 31... Bd7 32. Rc1 Rdc8 33. Rdc2 Qb7 34. Qd2 Ra8 35. Rb2 Rcb8 36. Rcb1 Qc8 37. a5 Ra7 38. axb6 Rxb6 39. Na5 Rc7 40.Qe3 Qb8 After series of manuevering in his own backyard, Udani correctly decide this is the right time to attack the hedgehog 41. b5!axb5 42. cxb5 
Now white have a strong passed pawn on b-file 42...Ra7 43.Nc4 Rbb7 44. Qd2 Be6 45. Nd5 Bxd5 46. exd5 Qa8 47. b6 Ra4 48. Ne3 48. Rb5 With the idea of 49.Na5 is probably better 48... Rd4 49. Qc2 Nxd5 Now black's win a pawn but unfortunately for him, white's superior position particularly his passed pawn on b6 is still a force to be reckon with. 50. Nf5 Rf4 50... Ra4? will be punish with 51. Bb5! Ra5 52.Bxe8 Qxe8 53. Nxd6 51. Bd3 stronger is 51. g3! Rxf3 52. Bg2 Rxf5 53. Bxd5 51... Ndf6 52. Qc6 Ra4 53. Bb5 Ra1 54. h3 Nd7 55. Nxd6? white give black a favour which black return it with...
55... Qa3?? Actually black's missed a good chance to save the position with 55... Nxd6! 56.Qxd6 Rxb1+ 57. Rxb1 Qb8 58. Qxb8+ Nxb8 59. Ba4 Kg8 and black 's king will march toward white's b pawn ! 56. Nxf7+ Kg8 57. Qe6 Nf8 58. Nxh6+Kh7 59. Bd3+ Qxd3 60.Qg8+ Kxh6 61. Rxa1 Qd6 62. Qc4 Nf6 63. Ra8 Ng6 64. Qc1+ Kh7 65. Qb1 e4 66. fxe4 Nh5 67. e5 ?This is actually a mistake. Both player is short of time around this move. 67... Qxe5? Considering his position, black have strong play with draw in hand with 67... Ng3+! 68.Kh2 (68. Kg1 lost to 68...Qd4+ 69. Kh2 Nf1+ 70. Kh1 Qxe5) 68...Nf1+ 69.Kg1 ( mistake will be 69.Qxf1 Qxe5+ 70.Kh1 Qxb2 and black win) 69...Qc5+ 70.Rf2 Ng3 71.Qc2 Qxe5 and it's white to be worried with his fate. 68. Rb5 Ng3+ 69. Kg1 Qe2? Nicholas is probably playing for a win. He could force a draw with 69... Ne2+ 70. Kh1 ( if 70. Kf2 ? or 70.Kf1? black reply with the strong 70... Rf7+) 70...Ng3+ draw 70. Ra2 70. Kh2 is better 70... Qe3+ 71. Kh2 Qf4 72. Rb4 Nf1+ ?? black should have played 72...Qe5 to mantain a drawing chance 73. Kg1 Qh2+ 74. Kxf1 Rf7+ 75. Rf2 ! Qh1+ 76. Ke2 Re7+ 77. Kf3 Qh2 78. Rh4+ Kg8 79. Qxg6 Rf7+ 80. Qxf7+ $1 Kxf7 81. Rf4+ 1-0 Black resign. If 81... Ke7 then 82. b7 g5 83. Ke4 gxf4 84.b8=Q
Now white have a strong passed pawn on b-file 42...Ra7 43.Nc4 Rbb7 44. Qd2 Be6 45. Nd5 Bxd5 46. exd5 Qa8 47. b6 Ra4 48. Ne3 48. Rb5 With the idea of 49.Na5 is probably better 48... Rd4 49. Qc2 Nxd5 Now black's win a pawn but unfortunately for him, white's superior position particularly his passed pawn on b6 is still a force to be reckon with. 50. Nf5 Rf4 50... Ra4? will be punish with 51. Bb5! Ra5 52.Bxe8 Qxe8 53. Nxd6 51. Bd3 stronger is 51. g3! Rxf3 52. Bg2 Rxf5 53. Bxd5 51... Ndf6 52. Qc6 Ra4 53. Bb5 Ra1 54. h3 Nd7 55. Nxd6? white give black a favour which black return it with...
55... Qa3?? Actually black's missed a good chance to save the position with 55... Nxd6! 56.Qxd6 Rxb1+ 57. Rxb1 Qb8 58. Qxb8+ Nxb8 59. Ba4 Kg8 and black 's king will march toward white's b pawn ! 56. Nxf7+ Kg8 57. Qe6 Nf8 58. Nxh6+Kh7 59. Bd3+ Qxd3 60.Qg8+ Kxh6 61. Rxa1 Qd6 62. Qc4 Nf6 63. Ra8 Ng6 64. Qc1+ Kh7 65. Qb1 e4 66. fxe4 Nh5 67. e5 ?This is actually a mistake. Both player is short of time around this move. 67... Qxe5? Considering his position, black have strong play with draw in hand with 67... Ng3+! 68.Kh2 (68. Kg1 lost to 68...Qd4+ 69. Kh2 Nf1+ 70. Kh1 Qxe5) 68...Nf1+ 69.Kg1 ( mistake will be 69.Qxf1 Qxe5+ 70.Kh1 Qxb2 and black win) 69...Qc5+ 70.Rf2 Ng3 71.Qc2 Qxe5 and it's white to be worried with his fate. 68. Rb5 Ng3+ 69. Kg1 Qe2? Nicholas is probably playing for a win. He could force a draw with 69... Ne2+ 70. Kh1 ( if 70. Kf2 ? or 70.Kf1? black reply with the strong 70... Rf7+) 70...Ng3+ draw 70. Ra2 70. Kh2 is better 70... Qe3+ 71. Kh2 Qf4 72. Rb4 Nf1+ ?? black should have played 72...Qe5 to mantain a drawing chance 73. Kg1 Qh2+ 74. Kxf1 Rf7+ 75. Rf2 ! Qh1+ 76. Ke2 Re7+ 77. Kf3 Qh2 78. Rh4+ Kg8 79. Qxg6 Rf7+ 80. Qxf7+ $1 Kxf7 81. Rf4+ 1-0 Black resign. If 81... Ke7 then 82. b7 g5 83. Ke4 gxf4 84.b8=Q
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