[Event "City Championship"] [Site "Memphis"] [Date "2002.02.01"] [Round "4"] [White "Marella, Diva"] [Black "Piekorz, Roland"] [Result "0-1"] [ECO "B54"] [WhiteElo "1698"] [BlackElo "1878"] [Annotator "Fritz 11 (57s)"] [PlyCount "94"] [EventDate "2002.??.??"] {B55: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4 Nf6 5 f3} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. c4 Nf6 6. f3 e6 {last book move} 7. Na3 (7. Be3 $5 $14 { must definitely be considered}) 7... Be7 $15 8. Be2 O-O 9. Nac2 (9. Be3 d5 10. cxd5 exd5 11. Nxc6 bxc6 $15) 9... Qb6 (9... d5 10. cxd5 exd5 11. Nxc6 bxc6 12. e5 $15) 10. Rb1 (10. Be3 $5 Qxb2 11. O-O $11) 10... Nxd4 11. Qxd4 Qa5+ (11... d5 12. Qxb6 (12. exd5 $143 Bc5 13. Qf4 Re8 $19) (12. cxd5 $143 Bc5 13. Qd3 exd5 $17) 12... axb6 13. e5 $15) 12. Qc3 $11 Qxc3+ (12... Qxa2 $4 {taking the pawn is naive} 13. Ra1 Qxa1 14. Nxa1 $18) 13. bxc3 b6 14. Ba3 Nd7 15. Nd4 Nc5 { A valuable piece} 16. h4 Bf6 17. g4 Bb7 18. g5 {White threatens to win material: g5xf6} Be5 19. Rg1 {White loses the right to castle} Rfd8 20. Kf2 Na4 {Black threatens to win material: Na4xc3} 21. Rbc1 $4 (21. Bb2 $142 $15 { was necessary}) 21... Nxc3 $1 $19 {Decoy: e3} 22. Nb5 (22. Rxc3 Bxd4+ {Decoy} ( 22... Bxd4+ {Remove defender})) 22... Nxb5 (22... Nxa2 $6 {is the less attractive alternative} 23. Rc2 a6 24. Nxd6 Rxd6 25. Rb1 Bd4+ 26. Kg3 $17) ( 22... Nxe2 $6 23. Kxe2 d5 24. cxd5 exd5 25. Rgd1 $19) 23. cxb5 Bd4+ 24. Kg2 Bxg1 25. Kxg1 Rd7 (25... a6 {and Black can already relax} 26. Bb4 axb5 27. a3 $19) 26. Bd3 Rc8 27. Rxc8+ Bxc8 28. Kf2 Bb7 29. Bb2 d5 (29... e5 {might be the shorter path} 30. f4 $19) 30. e5 (30. Ke3 h6 $19) 30... Rc7 (30... d4 $5 { keeps an even firmer grip} 31. f4 $19) 31. Ke3 Rc8 32. Kd4 Ra8 33. a3 (33. a4 g6 $19) 33... a6 34. f4 (34. a4 axb5 35. axb5 Ra2 $19) 34... axb5 35. Kc3 (35. Bxb5 {does not win a prize} Ra5 36. a4 Ra7 $19) 35... Ra4 36. Bc1 Bc6 37. h5 ( 37. Kb3 {does not solve anything} d4 38. Bd2 Ra7 $19) 37... d4+ 38. Kb2 b4 39. Kb3 (39. axb4 {doesn't improve anything} Rxb4+ 40. Ka3 Ra4+ 41. Kb3 b5 $19) 39... bxa3 40. Bxa3 h6 (40... b5 {and Black can already relax} 41. Bc5 $19) 41. Bc1 (41. Bb2 {cannot change what is in store for ?} b5 42. Kc2 Bf3 43. gxh6 gxh6 44. Bxb5 Rb4 $19) 41... b5 42. gxh6 (42. Kc2 {does not save the day} f6 $1 {a beautiful, forced end to the game} 43. exf6 gxf6 44. gxf6 Kf7 $19) 42... gxh6 (42... Bd5+ $142 {keeps an even firmer grip} 43. Kb2 Ra2+ 44. Kb1 $19) 43. f5 (43. Kc2 {doesn't get the bull off the ice} f6 $1 {Decoy: f6} 44. exf6 Kf7 $19) 43... Bd5+ 44. Kc2 Ra2+ 45. Kd1 (45. Kb1 {is not much help} Rh2 46. fxe6 Bxe6 47. Bxh6 Bc4 $19) 45... Bc4 (45... Bb3+ $142 {and Black has reached his goal} 46. Ke1 Bc4 47. fxe6 Bxd3 48. e7 Re2+ 49. Kd1 Rxe5 50. Ba3 $19) 46. Be4 Re2 47. Bf3 Rxe5 (47... Rxe5 48. fxe6 Rxe6 $19) 0-1