[Event "GER HL-130 email"]
[Site "GER email"]
[Date "2006.09.24"]
[Round "?"]
[White "Seyb, Norbert"]
[Black "Sack, Wolfgang"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "1715"]
[BlackElo "1720"]
[PlyCount "29"]
[EventDate "2006.09.22"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d3 Nf6 7. Qg3 Nbd7 8. Be3 Bb4 9. Be2 dxe4 10. 0-0 exd3 11. Bxd3 0-0 12. Rfd1 Qe7 13. Ne4 Nxe4 14. Bxe4 f5 15. Bd3 1-0

[Event "GER HL-130 email"]
[Site "GER email"]
[Date "2006.08.20"]
[Round "?"]
[White "Sack, Wolfgang"]
[Black "Dahm, Winfried Karl"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "1698"]
[BlackElo "1864"]
[PlyCount "46"]
[EventDate "2006.09.22"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. Bg5 Rc5 14. g4 hxg4 15. f4 Nc4 16. Qe2 Na5 17. e5 Nxb3+ 18. Nxb3 Rxc3 19. bxc3 Bc6 20. Rhf1 Nd5 21. Qe1 Qc7 22. c4 Nb6 23. exd6 exd6 0-1

[Event "DDR corr"]
[Site "DDR"]
[Date "1984.??.??"]
[Round "?"]
[White "Sack, Wolfgang"]
[Black "Laubert"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "29"]
[EventDate "1984.??.??"]
[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. b4 e6 3. bxc5 Bxc5 4. d4 Bb6 5. Nf3 Nc6 6. Bd3 Nxd4 7. 0-0 Ne7 8. e5 Nec6 9. Re1 Qc7 10. Bb2 0-0 11. Bxh7+ Kxh7 12. Ng5+ Kg8 13. Qh5 Rd8 14. Qxf7+ Kh8 15. Re4 1-0

[Event "W-ch I762 corr"]
[Site "ICCF corr"]
[Date "1982.??.??"]
[Round "?"]
[White "Riemer, Wolfgang"]
[Black "Sack, Wolfgang"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "33"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 g6 4. d4 d5 5. Nc3 Bg7 6. Bg5 c6 7. e4 dxe4 8. Nxe4 Nbd7 9. Nd6+ Ke7 10. Nxc8+ Rxc8 11. Qa4 a6 12. Qb4+ c5 13. Qxb7 Qb6 14. Qxb6 Nxb6 15. dxc5 Rxc5 16. Be3 Rc6 17. Ne5 1-0

