[Event "DDR-Cup corr"]
[Site "DDR"]
[Date "1983.??.??"]
[Round "?"]
[White "Sierat, E."]
[Black "Demmer, Wolfgang"]
[Result "1/2-1/2"]
[ECO "B97"]
[PlyCount "67"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Nb3 Qa3 10. Bxf6 gxf6 11. Be2 h5 12. 0-0 Qb4 13. Qe3 Nd7 14. Kh1 Nc5 15. a3 Qb6 16. f5 Qc7 17. fxe6 Bxe6 18. Nd4 0-0-0 19. Nd5 Bxd5 20. exd5 Bh6 21. Qh3+ Qd7 22. Qc3 Kb8 23. Qb4 Ka8 24. a4 Bg5 25. Nf3 Rde8 26. Bb5 axb5 27. axb5+ Kb8 28. Nd4 Qg4 29. h3 Qh4 30. b6 Re3 31. Nc6+ bxc6 32. Ra8+ Kb7 33. Ra7+ Kb8 34. Ra8+ 1/2-1/2

[Event "DDR corr"]
[Site "DDR"]
[Date "1982.??.??"]
[Round "?"]
[White "Hartewig, H."]
[Black "Sierat, E."]
[Result "0-1"]
[ECO "D36"]
[PlyCount "52"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Be7 7. e3 0-0 8. Bd3 Nbd7 9. 0-0 Re8 10. Qc2 Nf8 11. Rfe1 Ne4 12. Bxe7 Qxe7 13. Bxe4 dxe4 14. Ne5 f6 15. Nc4 Ng6 16. Rad1 Bg4 17. Rc1 f5 18. Qb3 Kh8 19. Ne2 Bxe2 20. Rxe2 Nh4 21. Ne5 h5 22. Qf7 Qg5 23. g3 Nf3+ 24. Kh1 Rxe5 25. dxe5 Qg4 26. Kg2 Ng5 0-1

[Event "DDR corr"]
[Site "DDR"]
[Date "1982.??.??"]
[Round "?"]
[White "Sierat, E."]
[Black "Bullert, Wolfgang"]
[Result "1-0"]
[ECO "C64"]
[PlyCount "49"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 f5 5. d4 fxe4 6. Bxc6 dxc6 7. Nfd2 Bd6 8. dxe5 e3 9. fxe3 Bc5 10. Qh5+ g6 11. Qf3 Qh4+ 12. g3 Qh3 13. Ne4 Bg4 14. Qf1 Bb6 15. Qxh3 Bxh3 16. Nf2 Bg2 17. Rg1 Bd5 18. Na3 Ne7 19. Ng4 0-0-0 20. Nf6 Be6 21. Rf1 Rd3 22. Nc2 Bh3 23. Rf2 Rhd8 24. Bd2 Nf5 25. Nb4 1-0

[Event "DDR corr"]
[Site "DDR"]
[Date "1981.??.??"]
[Round "?"]
[White "Sierat, E."]
[Black "Wiedemann, Norbert"]
[Result "1-0"]
[ECO "B11"]
[PlyCount "51"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bh5 5. exd5 cxd5 6. Bb5+ Nc6 7. g4 Bg6 8. Ne5 Rc8 9. d4 e6 10. Qe2 Bb4 11. h4 Nge7 12. h5 Be4 13. f3 Bxc3+ 14. bxc3 Qa5 15. 0-0 f6 16. Nxc6 bxc6 17. Ba6 Qxc3 18. Bd2 Qxd4+ 19. Be3 Qe5 20. Bxc8 Nxc8 21. Bf2 Bxc2 22. Qxc2 Kd7 23. Rab1 Qc7 24. Kg2 Nb6 25. Rfd1 e5 26. Rb4 1-0

[Event "DDR-Cup7 sf14 corr"]
[Site "DDR"]
[Date "1981.??.??"]
[Round "?"]
[White "Winkler"]
[Black "Sierat, E."]
[Result "0-1"]
[ECO "B07"]
[PlyCount "38"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 d6 2. f4 Nf6 3. Nc3 e5 4. d4 exd4 5. Qxd4 Nc6 6. Qd3 d5 7. exd5 Nb4 8. Qd1 Bf5 9. Bd3 Nxd3+ 10. cxd3 Nxd5 11. Qe2+ Be7 12. Qe5 Nxc3 13. Qxf5 Bf6 14. Kd2 g6 15. Qa5 b6 16. Qa3 Ne4+ 17. Ke2 Nc5 18. Be3 0-0 19. Nf3 Bxb2 0-1

