[Event "Pawn Power Open 5"] [Site "Memphis"] [Date "2008.05.31"] [Round "4"] [White "Mitchell, Marlon"] [Black "Knowles, Chase"] [Result "1/2-1/2"] [ECO "A21"] [WhiteElo "1386"] [BlackElo "1588"] [Annotator "Fritz 11 (57s)"] [PlyCount "64"] [EventDate "2008.??.??"] {A21: English Opening: 1...e5 2 Nc3} 1. c4 e5 2. Nc3 f5 {last book move} 3. d3 Bc5 (3... Nc6 4. Nf3 $11) 4. Nf3 $14 d6 {Secures e5} 5. Bg5 Nf6 6. Bxf6 (6. e3 O-O $14) 6... Qxf6 $11 7. Nd5 Qd8 8. b4 c6 (8... Bb6 $5 $11) 9. bxc5 $14 cxd5 10. cxd6 (10. Qa4+ Bd7 11. Qa3 Qf6 $11) 10... Qxd6 (10... Nc6 11. g3 $11) 11. cxd5 $14 Qxd5 12. Rc1 {White threatens to win material: Rc1xc8} (12. g3 $5 $14 {is worthy of consideration}) 12... Nc6 $15 13. Qb3 Qxb3 14. axb3 Be6 15. b4 e4 (15... Ke7 $5 $17) 16. dxe4 $11 fxe4 {White's piece can't move: f1.} 17. Ng5 ( 17. b5 Nb4 18. Nd4 Bd5 $11) 17... Bf5 (17... Bd5 18. b5 Nb4 19. f3 $11) 18. b5 Na5 19. Rc7 O-O 20. e3 (20. g4 Bxg4 21. Rg1 Rac8 22. Rxc8 Bxc8 23. Nxe4 Rf4 $11 ) 20... h6 (20... Rac8 $142 21. Rxc8 Rxc8 $15) 21. Nh3 $2 (21. g4 Bxg4 22. Rg1 Rac8 23. Rxc8 Bxc8 24. Nxe4 Be6 $11) 21... Bxh3 $4 {Black has let it slip away} (21... Rfc8 $142 {the advantage is on the side of Black} 22. Rxc8+ Rxc8 $19 ( 22... Bxc8 $6 23. Nf4 $11)) 22. gxh3 $11 Rac8 23. Rxc8 Rxc8 24. Bg2 {White threatens to win material: Bg2xe4} Rc5 25. b6 axb6 26. Bxe4 {White has a new protected passed pawn: e3. Black has a new passed pawn: b6} Rh5 {Black threatens to win material: Rh5xh3} 27. Ke2 Rb5 (27... Rxh3 28. Bd5+ Kf8 29. Rb1 $11) 28. Rb1 (28. Rd1 Kf8 $14) 28... Rxb1 $11 29. Bxb1 {A minor pieces endgame occured} Kf7 (29... b5 30. Bg6 $11) 30. Be4 (30. Kd3 Ke7 $14) 30... Ke6 31. Kd3 Nc6 (31... b5 $5 $11) 32. Kc4 $14 Kd6 1/2-1/2