[Event "Memphis Candidates"] [Site "Memphis"] [Date "2004.01.04"] [Round "4"] [White "Turner, Greg"] [Black "Senn, Randall"] [Result "1-0"] [ECO "B54"] [WhiteElo "1789"] [BlackElo "1900"] [Annotator "Fritz 9 (30s)"] [PlyCount "95"] [EventDate "2004.??.??"] {B54: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4, Unusual Lines} 1. Nf3 c5 2. e4 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Bb5 Bd7 6. O-O Nf6 {last book move} 7. Bxc6 bxc6 { Black has the pair of bishops} 8. Nc3 c5 (8... e5 9. Nde2 $11) 9. Nde2 (9. Nf3 Bg4 $14) 9... Bc6 10. f3 {Consolidates g4} g6 (10... e6 11. Qe1 $11) 11. Be3 $14 Nd7 12. Qd2 Rb8 13. Rab1 h5 14. f4 (14. Nd5 $5 $14) 14... Bg7 $11 {Black should quickly conclude development.} 15. f5 (15. Bf2 Nf6 16. Qd3 h4 $15) 15... gxf5 $15 16. exf5 Ne5 17. b3 {Secures a4+c4} Ng4 18. h3 Nxe3 19. Qxe3 Bh6 { Black threatens to win material: Bh6xe3} 20. Qf2 Rg8 {Exerts pressure on the backward pawn} 21. g3 {Covers f4} Qa5 (21... Kd7 $15) 22. a4 $2 (22. Rbd1 $5 { might be a viable alternative} Kd7 23. Nd5 $11) 22... Bd2 23. Nd1 (23. Nb5 a6 24. Na3 Bg5 $15) 23... Qb4 24. Kh2 $2 (24. c4 $142 $17) 24... h4 (24... Qe4 { and Black can already relax} 25. Nec3 Qe5 26. Ne2 $19) 25. g4 (25. Ne3 Qe4 26. Ng2 Qxc2 27. Nxh4 Rxb3 28. Rxb3 Qxb3 $19) 25... Qe4 26. Rb2 Qe5+ (26... Bg5 $5 {keeps an even firmer grip} 27. Re1 $19) 27. Kg1 (27. Nf4 $142 Qd4 28. Rb1 $19) 27... Rb4 28. c4 Bh6 (28... Qe4 $142 {seems even better} 29. Kh2 Bg5 $19) 29. Nec3 Rxg4+ $4 {a weak move, ruining a winning position} (29... Bg7 $142 { Black missed this excellent chance} 30. Re2 Qd4 $19) 30. hxg4 $18 h3 (30... Qf6 $18) 31. Qh2 (31. Re2 $142 {and White has it in the bag} Qf6 32. Rfe1 $18) 31... Be3+ $11 32. Nxe3 Qxe3+ 33. Qf2 {White threatens to win material: Qf2xe3} Qxc3 {Attacking the backward pawn on b3} 34. Kh2 (34. Re1 Kd8 $15) 34... Qe5+ $15 35. Kg1 $2 (35. Kxh3 Qc3+ 36. Kh4 $17) 35... Kd7 36. Re2 $4 {White has lost his nerve... understandable when you consider his position} (36. Rd1 $142 Bf3 37. Qxf3 Qxb2 38. Rd3 $19) 36... h2+ $1 {the final blow} 37. Qxh2 { Deflection from d4.} Qd4+ 38. Rff2 Qxg4+ (38... Rxb3 39. Re1 Qxg4+ 40. Kf1 Qxc4+ 41. Rfe2 Rf3+ 42. Kg1 Qd4+ 43. Rf2 Rxf5 44. Kf1 Qd3+ 45. Ree2 $19) 39. Kf1 Rxb3 40. Qf4 (40. Rf4 {praying for a miracle} Rb1+ 41. Kf2 Qxe2+ 42. Kxe2 Rb2+ 43. Ke1 Rxh2 44. a5 $19) 40... Rb1+ 41. Re1 Rxe1+ (41... Qh3+ $142 { and Black has prevailed} 42. Ke2 Rb2+ 43. Qd2 Be4 $19) 42. Kxe1 $17 Qh3 43. f6 e6 (43... e5 44. Qf5+ Qxf5 45. Rxf5 Ke6 $19) 44. Rd2 $2 (44. Rh2 $142 $5 Qb3 45. Rd2 $17) 44... Qh1+ (44... e5 $5 45. Qf1 Qh4+ 46. Kd1 Bxa4+ 47. Kc1 $19) 45. Ke2 Qg2+ (45... Qh5+ $5 46. Kd3 e5 $19) 46. Kd1 $17 Bxa4+ 47. Kc1 Qg1+ $4 { forfeits the advantage} (47... Qh1+ $142 48. Kb2 Qb7+ 49. Kc1 Qa6 $17) 48. Kb2 $18 (48. Kb2 Kc8 49. Qxd6 $18) 1-0