[Event "Las Vegas"]  [Site "1991 North American Open"]  [Round "?"]  [White "Jesse Kraai"]  [Black "Walter Browne"]  [Result "0-1"]  [ECO "E15"]  [WhiteElo "2325"]  [BlackElo "2520"]  [Annotator "ATH"]  [PlyCount "68"]  [EventDate "1991.01.??"]  [EventType "swiss"]  [EventRounds "6"]  [EventCountry "USA"]  [SourceTitle "CH, March-April 1991"]   1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 (5. b3 {is the main line}) 5...  Bb7 6. Bg2 c5 7. dxc5 bxc5 8. Nc3 Be7 9. O-O O-O 10. Rd1 Qb6 11. Qc2 Nc6 12.  Be3 $146 ({Stockfish prefers} 12. b3 {but that's not in the database}) ({  The usual move is} 12. Bf4 $11) 12... Rac8 (12... Rad8 $5 $11) 13. Rac1 Rfd8  14. Qb1 (14. Na4 $11) 14... h6 (14... Qa6 $5) 15. b3 Qa5 (15... d6 $11) 16. Ne1  d6 17. h3 $6 (17. Bd2 Qa6 18. e4 $11) 17... Rd7 (17... Qa6 $5) 18. Rc2 (18. f4  $5) (18. Bf4 $5) (18. Bd2) 18... Rcd8 (18... Qa6) 19. Nd3 ({White's last move  seems pointless since} 19. Rcd2 $4 {drops the knight on c3 and}) (19. Rdc1 {  allows} d5 $15) ({Stockfish therefore recommends taking the move back with} 19.  Rcc1) 19... Nd4 20. Bxd4 $2 (20. b4 $1 cxb4 (20... Qa6) 21. Bxd4 Bxg2 22. Kxg2  bxc3 23. Qb5 Qc7 24. Bxc3 $11) 20... cxd4 21. Nb5 $6 (21. Na4 Bxg2 22. Kxg2 Qf5  $15) 21... e5 22. a4 $6 (22. b4 Qb6 23. c5 $1 Qxb5 24. a4 Qxa4 25. c6 Qb5 (  25... Rc7 26. Ra2 $17) 26. cxd7 Nd5 $17) 22... Bxg2 23. Kxg2 a6 24. b4 Qb6 25.  Na3 Qc6+ 26. Kg1 $6 (26. f3 Qxa4 $17) 26... Qxa4 27. Nb5 $5 {Not nearly the  best according to Stockfish but maybe as good a practical chance as one coult  hope for} (27. Qb2 $19) 27... axb5 28. Ra2 Qxd1+ 29. Qxd1 bxc4 30. Ne1 Nd5 {  Materially, Black ha only a small advantage but look at that phalanx of pawns  in the center and that powerful knight.} 31. Rb2 $6 ({Stockfish recommends} 31.  Qc2 Nxb4 32. Qxc4 Nxa2 33. Qxa2 Rb7 $19) 31... Nc3 32. Qd2 (32. Qa1 {is  irrelevantly better}) 32... Ra7 33. Nc2 Nb5 34. Qd1 Bf6 0-1