[Event "Harvard Opem 1991"]  [Site "Cambridge, MA"]  [White "Boris Gulko"]  [Black "Boris Baczynskyj"]  [Result "1-0"]  [ECO "D30"]  [WhiteElo "2618"]  [BlackElo "2333"]  [Annotator "ATH"]  [PlyCount "55"]  [EventDate "1991.05.??"]  [EventType "swiss"]  [EventRounds "4"]  [EventCountry "USA"]  [SourceTitle "CH, July-Aug 1991"]   1. Nf3 c5 2. g3 Nc6 3. Bg2 d5 4. d4 cxd4 5. Nxd4 e6 6. O-O Bc5 7. Nb3 Bb6 (7...  Be7 $5) 8. c4 Nf6 (8... dxc4 $6 9. Qxd8+ Bxd8 10. N3d2 $16) (8... Nge7 $1 $11)  9. cxd5 (9. Nc3 $1 $14) 9... exd5 (9... Nxd5 $1 $11) 10. Nc3 (10. Bg5 $5 $14)  10... Be6 $6 (10... d4 11. Na4 $14) 11. Na4 (11. Bg5 $1 $16) 11... O-O 12. Nxb6  (12. Bg5 $5 $14) 12... axb6 (12... Qxb6 13. Be3 $14 {is a bit better for Black}  ) 13. Be3 (13. Nd4 $5) 13... Ng4 (13... Re8 $5) 14. Bd4 Ra4 $6 (14... Re8 15.  a3 $14) 15. e3 Re8 $6 (15... h5 16. Nc1 b5 17. b3 $16) 16. h3 $6 (16. a3 $16)  16... Nh6 $6 (16... Nf6 17. a3 $14) 17. Bc3 Qd7 (17... b5 $5 18. a3 $16) 18.  Kh2 (18. Qh5 $5) 18... Rea8 19. a3 Nf5 20. Qh5 f6 (20... d4 21. Nxd4 Ncxd4 22.  exd4 Bd5 23. Rfd1 $16) 21. Rad1 (21. Rfd1) 21... g6 (21... Rd8 22. Qe2 $16 {  is a small improvement for Black}) 22. Qe2 (22. Qf3 $5 $16) 22... d4 (22... Qf7  $5 {is another (very) small improvement for Black}) 23. Nxd4 Ncxd4 24. Bxd4 Bc4  $2 (24... Nxd4 25. Rxd4 Rxd4 26. exd4 Re8 27. Qd2 $16) 25. Bxf6 (25. Bc3 $1 {  is even stronger, e.g.,} Bxe2 26. Rxd7 Bxf1 27. Bxf1 $18 {and the two bishops  are going to do terrible things to Black}) 25... Bxe2 $2 (25... Qe6 26. Qxc4  Rxc4 27. Bd5 $18) 26. Rxd7 Bxf1 (26... Bc4 {would prolong the game but why not  choose a quick death?}) 27. Bd5+ Kf8 28. Rxh7 1-0