[Event "Mid-South Open"] [Site "Memphis, TN"] [Date "2002.11.30"] [Round "4"] [White "Marella, Diva"] [Black "Herbers, Rick"] [Result "1/2-1/2"] [ECO "C54"] [WhiteElo "1835"] [BlackElo "1970"] [Annotator "Fritz 9 (30s)"] [PlyCount "76"] [EventDate "2002.??.??"] {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 1. e4 Nc6 2. Nf3 e5 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 d5 8. exd5 Nxd5 9. O-O Bxc3 10. bxc3 O-O {last book move} 11. Qc2 h6 12. g3 (12. Re1 $142 $5 Nb6 13. Bb3 $16) 12... Be6 13. Bd3 Re8 14. Bd2 Qf6 15. Nh4 Bh3 (15... Rab8 16. Bh7+ Kh8 17. Be4 $11) 16. Rfe1 $14 g5 {Black threatens to win material: g5xh4} 17. Ng2 ( 17. Bh7+ Kh8 18. Be4 Nb6 $16) 17... Ndb4 (17... Qf3 $142 $5 {should not be overlooked} 18. Bf1 Nf6 $14) 18. cxb4 $16 Nxd4 19. Bc3 $4 {White has let it slip away} (19. Qc3 Nf3+ 20. Kh1 Bxg2+ 21. Kxg2 Nxe1+ 22. Rxe1 Qxc3 23. Rxe8+ Rxe8 24. Bxc3 c6 $18) 19... Qf3 $4 {forfeits the advantage} (19... Qc6 $142 { and Black gets the upper hand} 20. Bh7+ Kf8 $19) 20. Be4 $16 Rxe4 21. Qxe4 { A deflection} (21. Rxe4 Qxg2# {A classical mating theme}) 21... Qxc3 22. Rac1 $4 {not a good decision, because now the opponent is right back in the game} ( 22. Red1 $142 Nf3+ 23. Kh1 $16) 22... Nf3+ $17 23. Kh1 Bxg2+ (23... Nxe1 $142 $5 24. Rxc3 Bxg2+ 25. Qxg2 Nxg2 26. Kxg2 c6 $17) 24. Kxg2 $11 Nxe1+ 25. Rxe1 c6 26. Qe7 Rf8 27. h4 Qd2 28. hxg5 hxg5 29. Re2 {White threatens to win material: Re2xd2} (29. Qf6 Qxe1 (29... Qxb4 $4 {is followed by mate in 3} 30. Qxg5+ Kh7 31. Rh1+ Qh4 32. Rxh4#) (29... Qxa2 $4 {is to be avoided because of the following mate in 2} 30. Qxg5+ Kh7 31. Rh1#) 30. Qxg5+ Kh7 31. Qh5+ Kg7 32. Qg5+ Kh8 33. Qh4+ Kg8 34. Qg4+ Kh7 35. Qh5+ Kg7 36. Qg5+ Kh7 37. Qh5+ $11) 29... Qd5+ $15 30. Qe4 (30. Kg1 f6 $15) 30... Qxe4+ 31. Rxe4 f6 32. f4 gxf4 33. gxf4 Kf7 34. Kf3 Rd8 35. f5 Rd2 36. a4 Rc2 37. Rh4 Rc3+ 38. Ke2 Rg3 1/2-1/2