[Event "City Championship"] [Site "Memphis"] [Date "2009.01.02"] [Round "2"] [White "Howell, Ken"] [Black "Senn, Randall"] [Result "1/2-1/2"] [ECO "A20"] [WhiteElo "1673"] [BlackElo "1967"] [Annotator "Fritz 9 (30s)"] [PlyCount "95"] [EventDate "2009.??.??"] {A20: English Opening: 1...e5} 1. c4 Nf6 2. g3 e5 3. Bg2 c6 4. d4 exd4 5. Qxd4 d5 6. cxd5 cxd5 7. Nf3 Nc6 8. Qa4 {last book move} Bd7 {Black has an active position} 9. Qd1 Be7 {Black has a very active position} 10. O-O {White castles and improves king safety} O-O {Black castles and improves king safety} 11. Nc3 {Attacks the isolani on d5. White threatens to win material: Nc3xd5} Be6 12. Nd4 (12. Qd3 d4 13. Nb5 Nb4 $11) 12... Nxd4 (12... Qb6 $5 {is worth consideration} 13. e3 Rac8 $15) 13. Qxd4 $11 {The pressure on the isolated pawn grows} Qa5 14. Bd2 {Black has an active position} Rfd8 15. a3 {Controls b4 } (15. Rfd1 Qa6 $14) 15... Rd7 (15... Rac8 16. Rfd1 Rc4 17. Qd3 $11) 16. Rac1 $14 Qd8 17. Nb5 (17. Bg5 Rc8 $14) 17... b6 {Secures a5} (17... a6 18. Nc3 $11) 18. Qe5 Ng4 19. Qc3 Bf6 {Black threatens to win material: Bf6xc3} 20. Nd4 Qe7 ( 20... Qe8 21. b3 $14) 21. Nc6 {White threatens to win material: Nc6xe7} (21. h3 $142 $5 Bxd4 22. Qxd4 $16) 21... Qe8 $11 22. Qb4 Rc8 23. h3 Ne5 24. Nxe5 Bxe5 25. Bf4 f6 {Covers e5+g5} 26. Rxc8 {White pins: Rc8xe8} Qxc8 27. Rc1 Rc7 (27... Qb8 28. Bd2 $11) 28. Rxc7 $14 Qxc7 29. Bxe5 fxe5 30. Qd2 (30. Qb5 $142 $5 Kf8 31. Bxd5 Bxh3 32. Qb4+ Qe7 33. Qe4 $16) 30... Qd6 31. Qd3 g6 32. Qa6 Qd7 33. Qd3 Kf7 34. Kh2 Ke7 35. Qd2 Kf7 36. Qh6 {White threatens to win material: Qh6xh7} Kg8 37. Qd2 d4 {This push gains space} 38. Qd3 (38. Qg5 Qc7 $11) 38... Bd5 39. Bxd5+ Qxd5 {A queen endgame occured} 40. Qa6 {White threatens to win material: Qa6xa7} Qf7 41. Qc8+ Kg7 42. Kg2 Qd5+ 43. Kh2 Qb5 {Black threatens to win material: Qb5xe2} 44. Qc7+ {White forks: a7+g7} Kh6 45. Qc1+ Kg7 46. Qc7+ Kh6 47. Qc1+ {Twofold repetition} Kg7 48. Qc7+ 1/2-1/2