[Event "Stratton Mountain, Vermont 1999"]  [White "Giorgi Kacheishvili"]  [Black "Boris Gulko"]  [Result "1-0"]  [ECO "A91"]  [WhiteElo "2570"]  [BlackElo "2620"]  [Annotator "ATH"]  [PlyCount "45"]  [EventDate "1999.06.??"]  [EventType "swiss"]  [EventRounds "9"]  [EventCountry "USA"]  [SourceTitle "CH, Nov-Dec 1999"]   1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Qc2 $5 (5. Nf3 {is the main line})  5... O-O 6. Nd2 (6. Nf3) 6... d5 (6... Nc6 $11) 7. Nh3 Nc6 8. e3 Nb4 9. Qb1 (9.  Qb3 $5) 9... dxc4 (9... c5 $5) 10. Nxc4 c5 (10... Bd7 $5) 11. a3 Na6 (11...  Nbd5 12. O-O cxd4 13. exd4 b5 $11) 12. O-O cxd4 (12... Nd5 13. Qd3 cxd4 14.  exd4 $14) 13. Rd1 ({Somewhat stronger is} 13. exd4 Nc7 (13... Qxd4 $6 14. Qa2  Ne4 15. b4 b5 16. Nd2 Nc3 17. Qb2 Ne2+ 18. Kh1 Bd7 19. Re1 (19. Bxa8 $2 Rxa8  20. Qxd4 Bc6+ 21. f3 Nxd4 $44) 19... Bf6 20. Rxe2 Qxb2 21. Bxb2 Bxb2 22. Ra2  Bf6 23. Bxa8 Rxa8 24. Rc2 $16) 14. Qc2 Re8 15. Nf4 $14) 13... Qc7 $6 (13... Nd5  14. exd4 Bd7 15. Nf4 $14) 14. Qa2 d3 $6 (14... Nc5 15. exd4 Nce4 16. Be3 Nd5  17. Rac1 $16) 15. b4 $1 (15. Rxd3 $2 Nc5 $11) 15... Bd7 $6 (15... Ne4 $1 16.  Bb2 $16) 16. Bb2 Bc6 17. Bxc6 (17. Ne5 $1 $18) 17... Qxc6 18. Nf4 Nc7 19. Ne5  Qd6 $2 (19... Qa6 {puts up a lot more resistance}) 20. Nexd3 Ncd5 $2 ({Given  that Black is busted, it's quibbling to point out that} 20... Qa6 {is better})  21. Nc5 Rfc8 ({or that} 21... Qb6 {is also better}) 22. Bxf6 Bxf6 23. Nxd5 1-0