[Event "Canidates 2009"] [Site "Memphis"] [Date "2009.01.04"] [Round "5"] [White "Sytnytsky, Oleksandr"] [Black "Chowdhury, Rafi"] [Result "0-1"] [ECO "D02"] [WhiteElo "1426"] [BlackElo "1623"] [Annotator "Fritz 9 (30s)"] [PlyCount "100"] [EventDate "2009.??.??"] {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} 1. Nf3 d5 2. d4 c5 3. dxc5 {last book move} Nc6 4. Nc3 (4. e4 Nf6 5. exd5 Nxd5 $16) 4... e6 5. Bf4 (5. e4 d4 6. Nb5 e5 7. Nxe5 Nxe5 $16) 5... Bxc5 $11 6. Be5 $4 ( 6. e3 $142 $5 $11 {should be investigated more closely}) 6... Nxe5 (6... Qb6 $142 {the advantage is on the side of Black} 7. Bg3 Qxb2 $19) 7. Nxe5 $17 d4 ( 7... Nf6 8. e3 O-O 9. Qd2 $17) 8. e3 a6 {Secures b5} (8... Nf6 9. Nb5 Qa5+ 10. c3 dxc3 11. Nxc3 $15) 9. Nxf7 (9. Ne4 $142 Qa5+ 10. c3 dxc3 11. bxc3 $14) 9... Qa5 $4 {with this move Black loses his initiative} (9... Kxf7 $142 10. Qh5+ g6 11. Qxc5 dxc3 12. Qxc3 Nf6 $17) 10. Nxh8 $18 (10. exd4 $6 Ba3 11. Nxh8 Bxb2 $14 ) 10... dxc3 11. b3 Ba3 12. Qf3 (12. b4 Qc7 $16) 12... Nf6 13. Bc4 (13. Rd1 Qf5 $16) 13... Qh5 $4 {letting the wind out of his own sails} (13... Kf8 $142 $11 { is a viable option}) 14. Qxh5+ $18 Nxh5 15. Rd1 (15. Bd3 $142 $5 Nf6 16. g4 $18 ) 15... b5 16. Bd3 (16. Be2 $142 $5 Nf6 17. Bf3 $16) 16... Nf6 $11 17. Be2 (17. h4 e5 18. f3 Be6 $15) 17... Bb7 18. Bf3 Bxf3 19. gxf3 Ke7 20. Rg1 {White threatens to win material: Rg1xg7} Kf8 (20... Rg8 21. h4 $15) 21. e4 (21. Rg5 $5 $11 {should not be overlooked}) 21... Kg8 $15 22. e5 (22. Ng6 $142 $5 hxg6 23. Rxg6 $17) 22... Nd5 $19 23. Ng6 hxg6 24. Rxg6 Kf7 25. Rg4 Rh8 26. h4 Rh7 ( 26... Rh5 27. f4 $19) 27. Rdd4 Ke7 (27... Rh5 $5 28. f4 $19) 28. Ke2 $17 a5 29. Kd3 Bb2 (29... Bc5 $5 30. Rde4 Bxf2 $17) 30. Ke2 (30. a4 Nb4+ 31. Rxb4 axb4 32. axb5 Kd7 $14) 30... Nb4 $15 31. Rxb4 (31. Kd1 Nc6 32. Rde4 g5 $15) 31... axb4 $17 32. Rxb4 {Black wins a piece} Rh5 {Black threatens to win material: Rh5xe5} (32... Kd7 33. a4 $17) 33. Rxb5 $15 Rxh4 {Black wins a piece} 34. Rb7+ Kf8 ( 34... Kd8 35. a4 Rd4 36. a5 $17) 35. Rb8+ (35. a4 $142 $5 {has some apparent merit} Rh5 36. f4 $16) 35... Kf7 $15 36. Rb7+ Kg6 37. Re7 (37. a4 Rd4 38. a5 Rd2+ 39. Ke3 $17) 37... Kf5 38. Rxg7 Kxe5 39. Rg4 (39. Ke3 Rh1 40. f4+ Kd6 $19) 39... Rh1 $19 40. a4 Rc1 41. Re4+ (41. b4 Kd5 42. Kd3 Rd1+ 43. Ke2 Rd2+ 44. Ke3 e5 $19) 41... Kd5 42. Kd3 (42. Ke3 Rxc2 43. Rd4+ Kc6 $19) 42... Rd1+ 43. Ke2 Rd2+ 44. Ke3 Rxc2 (44... Ba3 {might be the shorter path} 45. b4 e5 46. Rg4 $19) 45. a5 $2 (45. Rd4+ $142 Kc6 46. b4 $19) 45... Rc1 46. b4 (46. Rc4 {cannot change what is in store for ?} Ra1 $19) 46... Rf1 (46... Rd1 47. Rf4 c2 48. Rc4 Kxc4 49. Ke2 c1=Q 50. f4 Qc3 51. Kxd1 Qd3+ 52. Ke1 Bc3#) 47. Rd4+ Kc6 48. Ke2 ( 48. Rc4+ {cannot change destiny} Kb5 49. Rc7 Ra1 $19) 48... Ra1 (48... Kb5 $142 {seems even better} 49. Rg4 c2 50. Kxf1 c1=Q+ 51. Kg2 $19) 49. f4 (49. Rd1 { there is nothing else anyway} Rxd1 50. Kxd1 $19) 49... Kb5 50. Rd1 Ra2 (50... Ra2 51. Kd3 Kxb4 $19) 0-1