[Event "Mid-Summer Open 2"] [Site "Memphis"] [Date "2005.07.16"] [Round "3"] [White "Vaughn, Herbert"] [Black "Maclin, Philip"] [Result "1/2-1/2"] [ECO "B02"] [WhiteElo "1746"] [BlackElo "1474"] [Annotator "Fritz 9 (30s)"] [PlyCount "74"] [EventDate "2005.??.??"] {B02: Alekhine's Defence: Chase Variation and lines with early Nc3} 1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nge2 Bg4 {last book move} 5. Ne4 e5 6. d4 exd4 7. Qxd4 $2 (7. f3 $142 $5 {is a viable option} Bf5 8. Bg5 Bb4+ 9. c3 dxc3 10. bxc3 $11) 7... Nc6 $17 8. Qa4 Bf5 (8... Nb6 9. Nf6+ Qxf6 10. Qxg4 $17) 9. N2g3 (9. Bg5 $142 Be7 10. N2g3 $15) 9... Bxe4 $4 {Black lets it slip away} (9... Bb4+ $142 10. c3 Bxe4 11. Nxe4 Qe7 $19) 10. Qxe4+ $14 ({Not} 10. Nxe4 Bb4+ 11. c3 Qe7 $17) 10... Qe7 11. Bd3 (11. Bg5 Qxe4+ 12. Nxe4 f6 $14) 11... Qxe4+ 12. Bxe4 Bb4+ $2 (12... O-O-O 13. Bd2 $11) 13. Bd2 $4 {White is ruining his position} ( 13. c3 $142 {and White can look forward to a comfortable game} Nxc3 14. Bxc6+ bxc6 15. a3 $18) 13... Bxd2+ $11 14. Kxd2 {White loses the right to castle} O-O-O {White king safety dropped} 15. Kc1 {White king safety improved} (15. Rhe1 $5 $11) 15... Rhe8 16. Rd1 Nf6 (16... Nf4 17. Rxd8+ Rxd8 18. c3 $15) 17. Bxc6 $11 Rxd1+ 18. Kxd1 Rd8+ (18... bxc6 19. Kd2 $11) 19. Ke1 $14 bxc6 20. Rd1 Re8+ 21. Kf1 Re5 22. c4 Ne4 23. Ne2 (23. Nxe4 Rxe4 24. b3 Rh4 $14) 23... Nc5 ( 23... Re6 24. f3 Nd6 25. b3 $14) 24. f3 {Covers e4} Re6 25. b4 {White threatens to win material: b4xc5} Na4 26. Ng3 (26. c5 Re5 $14) 26... a6 27. Ne4 Nb6 (27... f5 28. Ng5 Rd6 29. Re1 $14) 28. Rd4 Nd7 29. Kf2 (29. Ng5 Re7 $14) 29... h6 {Consolidates g5} (29... Re7 30. g4 $14) 30. f4 (30. Rxd7 $142 $5 Kxd7 31. Nc5+ Ke7 32. Nxe6 Kxe6 33. Ke3 $16) 30... f5 $11 {Black threatens to win material: f5xe4} 31. Nd2 c5 32. bxc5 Nxc5 33. Nb3 {White threatens to win material: Nb3xc5} Ne4+ 34. Kf3 Rd6 (34... Nc3 35. Rd2 $11) 35. Ke3 (35. Rxd6 Nxd6 36. c5 Nb5 $14) 35... Kb7 (35... Rc6 36. h3 $11) 36. h3 (36. Rxd6 Nxd6 37. Kd4 Kc6 $16) 36... g6 37. g4 Kc6 1/2-1/2