[Event "1989 Constitution State Open"]  [Site "Waterbury, CT"]  [White "Michael Rohde"]  [Black "Richard Bauer"]  [Result "1-0"]  [ECO "D45"]  [WhiteElo "2681"]  [BlackElo "2433"]  [Annotator "ATH"]  [PlyCount "45"]  [EventDate "1989.??.??"]  [EventType "swiss"]  [EventRounds "4"]  [EventCountry "USA"]  [SourceTitle "CH, Jan-Feb 1990"]  [SourceDate "2015.04.19"]  [SourceVersionDate "2015.04.19"]   1. c4 e6 2. Nf3 d5 3. d4 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Be2 Bd6 7. O-O O-O 8. b3  dxc4 $6 (8... b6 $1 9. a4 Bb7 10. Ba3 c5 $11) 9. bxc4 e5 10. h3 Qe7 (10... exd4  11. exd4 c5 12. d5 $14) 11. Qc2 (11. a4 $1 $14) 11... e4 $6 (11... Re8 $1 $11)  12. Ng5 (12. c5 $5 $14) 12... b5 $2 (12... Re8 13. c5 Bxc5 14. Bc4 $1 Nd5 15.  Ngxe4 Bb6 16. Nxd5 Qxe4 17. Qxe4 Rxe4 18. Nxb6 axb6 (18... Nxb6 $6 19. Bd3 $16)  19. f3 $14) 13. Bd2 $6 (13. Ncxe4 h6 14. Nxd6 Qxd6 15. Nf3 $18) 13... Re8 14.  f3 exf3 (14... b4 $5) 15. Bxf3 Ba6 $2 (15... b4 16. Nce4 h6 17. Nxf7 $1 Nxe4 (  17... Kxf7 $2 18. Nxf6 Nxf6 19. Bxc6 $18) 18. Qxe4 Qxe4 19. Bxe4 Bh2+ 20. Kxh2  Rxe4 21. Bxb4 $16) 16. Bxc6 Rac8 (16... Nf8 17. e4 h6 18. Nd5 Nxd5 19. exd5  hxg5 20. Rae1 $18) 17. Bxd7 Qxd7 $2 (17... g6 18. Bxe8 $18 {is an irrelevant  improvement for Black}) 18. Rxf6 $1 gxf6 $2 (18... g6 19. Raf1 $18 {would  prolong the game for no good reason}) 19. Qxh7+ Kf8 20. Qh8+ (20. Nd5 {is the  quick method with mate in five}) 20... Ke7 21. Nd5+ Kd8 22. Qxf6+ $2 Be7 (22...  Qe7 {would stave off mate for an additional ten moves}) 23. Nxf7# 1-0