[Event "Chicago Christmas 1979"]  [White "Mark Ginsburg"]  [Black "Roman Dzindzichashvili"]  [Result "1-0"]  [ECO "B42"]  [Annotator "ATH"]  [PlyCount "81"]  [EventDate "1979.??.??"]  [EventCountry "USA"]  [SourceTitle "CL, May 1974"]   1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O d6 7. c4 g6 $6 {  Popular but not so good according to the digital beast} ({Stockfish would  rather transpose to the Taimanov Variation with} 7... Nc6) 8. Nc3 Bg7 9. Bg5  Nbd7 (9... O-O 10. Qd2 Nbd7 11. Rfd1 $1 $16) 10. Kh1 (10. Rc1 $1 $16) 10... b6  $146 (10... h6 11. Bh4 $14 {A. Sokolov-Sunye Neto, Manila 1990} (11. Be3 $142  $14)) 11. f4 (11. Be2 $1 $16) 11... Qc7 $6 (11... O-O $14) 12. f5 $1 gxf5 $2 ({  Stockfish gives} 12... e5 13. Nd5 $1 ({A human could simply play} 13. Nc2 $16)  13... Nxd5 14. fxg6 $1 exd4 15. gxf7+ Kf8 16. exd5 Ne5 17. h3 h6 18. Bh4 Bb7  19. Rc1 $18) 13. exf5 e5 14. Ne6 (14. Nd5 $1 Nxd5 15. Ne6 $1 {is even more  bone-crushing since, e.g.,} Qa7 16. Nxg7+ Kf8 17. Ne6+ {is even worse than  giving up the queen}) 14... fxe6 15. fxe6 O-O ({The knight cannot be saved, e.  g.,} 15... Nc5 16. Nd5 Qb7 17. Rxf6 $1 Bxe6 18. Qh5+ Bf7 19. Rxf7 Qxf7 20. Nc7+  Kf8 21. Rf1) 16. e7 $1 Bb7 ({Nor can the rook be saved, e.g.} 16... Re8 17. Nd5  Qb7 18. Bxh7+ $1 Nxh7 19. Qh5) 17. exf8=Q+ Rxf8 18. Nd5 (18. Bf5 $1) 18... Nxd5  19. cxd5 Rxf1+ 20. Qxf1 Nc5 21. Rc1 e4 (21... Qb8 {is a bit better but not  enough to matter}) 22. Bxe4 Bxb2 23. Re1 Be5 24. Bf4 $2 {White goes from the  equivalent of six pawns up to two. A big blunder but not big enough to change  the outcome.} (24. Bh6 $1) 24... Qf7 25. Bxe5 Qxf1+ 26. Rxf1 dxe5 (26... Nxe4  $5) 27. Bb1 Bxd5 28. Rf5 Nd7 29. Rh5 Bf7 (29... a5 {is better}) 30. Rxh7 (30.  Rh6 $1) 30... Bxa2 (30... Nf6 {is better}) 31. Rxd7 Bxb1 32. Rd6 b5 33. Rxa6  Kf7 34. Kg1 Bd3 35. Kf2 Bc4 36. h4 Bd5 37. Rb6 Bc4 38. g4 Bd3 39. Ke3 Bf1 40.  g5 Kg7 41. Ke4 1-0