[Event "1997 US Open"]  [Site "Kissimmee, FL"]  [White "Gabriel Schwartzman"]  [Black "Igor Shliperman"]  [Result "1-0"]  [ECO "A12"]  [EventType "swiss"]  [EventRounds "12"]  [EventCountry "USA"]  [SourceTitle "CL, Oct 1997"]  [SourceDate "2016.04.24"]  [SourceVersion "1"]  [SourceVersionDate "2016.04.24"]  [SourceQuality "1"]   1. Nf3 d5 2. c4 c6 3. b3 Bg4 4. g3 Nd7 5. Bg2 (5. Bb2 $1) 5... Bxf3 (5... e5 $1  $11) 6. Bxf3 dxc4 (6... d4 $5) 7. bxc4 Ne5 8. Bg2 (8. Nc3 $5) 8... Nxc4 9. Qb3  (9. O-O $44) 9... Nd6 (9... Na5 $1 $11) 10. O-O Nf6 11. Nc3 (11. a4 $5) 11...  e5 (11... e6 $1 12. e4 Nd7 $11) 12. Ba3 (12. Rb1 $1) 12... Rb8 (12... Qb6 $1  13. Qa4 $14) 13. Rab1 (13. Bc5 $1 a6 14. Rab1 $14) 13... Nd7 $6 (13... Qc7 14.  Rfc1 $14) 14. Rfd1 Qf6 (14... Nc8 15. Bb2 c5 16. Bd5 $16) 15. Qa4 (15. e3 $1  $16) 15... a6 $6 (15... Be7 16. d4 O-O 17. d5 Nb6 18. Qxa7 Nxd5 19. Bxd6 Qxd6  20. Bxd5 $16) 16. d4 exd4 $2 (16... Nb5 17. Ne4 $18) 17. Rxd4 Nb5 (17... Nf5 {  would prolong the game without changing the outcome}) 18. Re4+ Kd8 19. Nxb5  axb5 $2 (19... cxb5 {would also proling the game}) 20. Qa5+ b6 21. Qa7 Bxa3 22.  Rd1 Bd6 (22... Qd6 {avoids imminent checkmate and only prolongs Black's  suffering}) 23. Bh3 1-0