[Event "Theme corr"]
[Site "corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Antonov, Nikola"]
[Black "Opatin, E."]
[Result "1-0"]
[ECO "C30"]
[PlyCount "41"]
[EventDate "1990.11.15"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. d3 Nf6 6. Nc3 a6 7. Nd5 Nxd5 8. Bxd5 Bg4 9. Bxc6+ bxc6 10. c3 0-0 11. f5 d5 12. h3 Bxf3 13. Qxf3 Rb8 14. b4 Ba7 15. Ke2 Qd6 16. a4 Rfd8 17. Rd1 d4 18. c4 Qxb4 19. Ba3 Qb3 20. Be7 Re8 21. Qg4 1-0

[Event "corr"]
[Site "corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Markov, Jurij"]
[Black "Opatin, E."]
[Result "1-0"]
[ECO "C30"]
[PlyCount "19"]
[EventDate "1990.01.03"]
[EventType "match (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. f4 Qh4+ 3. g3 Qe7 4. Nc3 exf4 5. d4 fxg3 6. Bf4 d6 7. Qe2 Nc6 8. 0-0-0 gxh2 9. Rxh2 Nf6 10. e5 1-0

[Event "Theme corr"]
[Site "corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Opatin, E."]
[Black "Antonov, Nikola"]
[Result "0-1"]
[ECO "C32"]
[PlyCount "52"]
[EventDate "1990.11.15"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Nf3 Bc5 7. Qe2 f5 8. Be3 Bxe3 9. Qxe3 0-0 10. Na3 Re8 11. Ne5 Qh4+ 12. g3 Qh6 13. Qd4 Nd7 14. Bg2 Nxe5 15. fxe5 Rxe5 16. 0-0 Bd7 17. Rae1 Ree8 18. Bxe4 Rxe4 19. Rxe4 fxe4 20. Qxe4 Bh3 21. Rf4 g5 22. Rf2 Qh5 23. Qd3 Re8 24. Qd2 Qg4 25. Nc4 h6 26. b3 Qe4 0-1

