[Event "W-ch WS/M/897 email"]
[Site "ICCF email"]
[Date "2023.04.28"]
[Round "?"]
[White "Olivo, Oswaldo"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "2102"]
[BlackElo "2178"]
[PlyCount "83"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Qb6 10. c4 Bb4+ 11. Ke2 f5 12. exf6 Nxf6 13. Be3 Qd8 14. Nd6+ Bxd6 15. Qxd6 Bb7 16. Rd1 Rc8 17. Rg1 c5 18. g4 h6 19. h4 Qc7 20. Ke1 h5 21. gxh5 Rxh5 22. Rxg7 Qxd6 23. Rxd6 Kf8 24. Rg5 Rxh4 25. Rxc5 Rxc5 26. Bxc5 Ne4 27. Rxd7+ Nxc5 28. Rc7 Rh1 29. Ke2 Bf3+ 30. Kxf3 Rxf1+ 31. Ke3 Na6 32. Rxa7 Nb4 33. Ra4 Nc6 34. b4 Ke7 35. b5 e5 36. fxe5 Nxe5 37. Kd4 Nd7 38. Ra7 Kd6 39. Ra6+ Kc7 40. a4 Rf4+ 41. Kd5 Nb6+ 42. Ke6 1/2-1/2

[Event "W-ch WS/M/897 email"]
[Site "ICCF email"]
[Date "2023.04.28"]
[Round "?"]
[White "Sazon, Adam"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2349"]
[BlackElo "2178"]
[PlyCount "38"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Nf3 Nc6 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 0-0 8. 0-0 d5 9. exd5 cxd5 10. Bg5 Be6 11. Ne2 h6 12. Bh4 Rb8 13. Nd4 Bd7 14. Qf3 Rb6 15. Nf5 Bxf5 16. Qxf5 g6 17. Qf4 g5 18. Bxg5 hxg5 19. Qxg5+ Kh8 1/2-1/2

[Event "W-ch WS/M/897 email"]
[Site "ICCF email"]
[Date "2023.04.28"]
[Round "?"]
[White "Seelig, Juergen"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "C87"]
[WhiteElo "2349"]
[BlackElo "2178"]
[PlyCount "60"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Be7 6. Re1 Nf6 7. c3 Bg4 8. d3 Nd7 9. Nbd2 0-0 10. h3 Bh5 11. Nf1 Nc5 12. Bc2 Ne6 13. Ng3 Bxf3 14. Qxf3 Bg5 15. Be3 g6 16. Rad1 Bxe3 17. fxe3 Ng5 18. Qf2 Nb8 19. d4 Nd7 20. h4 Ne6 21. Nf1 Qe7 22. Nh2 Ng7 23. Rf1 f5 24. Qg3 fxe4 25. Bxe4 c6 26. d5 Rxf1+ 27. Rxf1 Nh5 28. Qe1 Nhf6 29. dxc6 Nxe4 30. cxd7 Qxd7 1/2-1/2

[Event "W-ch WS/M/897 email"]
[Site "ICCF email"]
[Date "2023.04.28"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Campani, Paolo"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "2178"]
[BlackElo "2176"]
[PlyCount "49"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. 0-0 Be7 8. b3 Bg4 9. Bb2 Qd7 10. a4 Rd8 11. a5 Nc8 12. a6 b6 13. Nd5 0-0 14. Nxe7+ N8xe7 15. Nxe5 Nxe5 16. Bxe5 Rfe8 17. Re1 c5 18. d3 Bh3 19. Be4 Be6 20. Bb2 h6 21. Qc1 f6 22. Rb1 Nd5 23. Bg6 Bf7 24. Bxf7+ Qxf7 25. Qc4 1/2-1/2

[Event "W-ch WS/M/897 email"]
[Site "ICCF email"]
[Date "2023.04.28"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Mezera, Lukas"]
[Result "1/2-1/2"]
[ECO "C93"]
[WhiteElo "2178"]
[BlackElo "2189"]
[PlyCount "46"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. a3 h6 13. Bc2 Nb8 14. b4 Nbd7 15. Bb2 Rc8 16. a4 c6 17. axb5 axb5 18. c4 exd4 19. Nxd4 Ne5 20. Nf5 g6 21. Ne3 Nh5 22. Ng4 Bg7 23. Nxe5 Bxe5 1/2-1/2

[Event "W-ch WS/M/897 email"]
[Site "ICCF email"]
[Date "2023.04.28"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Owens, Johnny"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2178"]
[BlackElo "2341"]
[PlyCount "26"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. Nxd7 Bxd7 7. 0-0 Bd6 8. Nc3 Nxc3 9. bxc3 0-0 10. Qh5 f5 11. Re1 h6 12. Bxh6 gxh6 13. Qg6+ Kh8 1/2-1/2

[Event "W-ch WS/M/897 email"]
[Site "ICCF email"]
[Date "2023.04.28"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Palladino, Mario"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2178"]
[BlackElo "2307"]
[PlyCount "53"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. 0-0 0-0 11. Nd5 Nd7 12. Bc4 b5 13. Bb3 Qb8 14. a4 Bd8 15. axb5 axb5 16. Rxa8 Qxa8 17. Nb4 Qb8 18. Bxe6 fxe6 19. c3 Nf6 20. Nd2 Bb6 21. Qe2 Qb7 22. h3 Ba5 23. Nd3 b4 24. cxb4 Bxb4 25. Nc4 Rb8 26. Nxb4 Qxb4 27. b3 1/2-1/2

[Event "W-ch WS/M/897 email"]
[Site "ICCF email"]
[Date "2023.04.28"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Radzikowski, Marcin"]
[Result "1/2-1/2"]
[ECO "C89"]
[WhiteElo "2178"]
[BlackElo "2102"]
[PlyCount "42"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d3 Bd6 13. Re1 Bf5 14. Qf3 Qh4 15. g3 Qh3 16. Be3 Bxd3 17. Nd2 Bf5 18. Bxd5 cxd5 19. Qxd5 Rfd8 20. Qg2 b4 21. Qxh3 Bxh3 1/2-1/2

[Event "W-ch WS/M/877 email"]
[Site "ICCF email"]
[Date "2023.01.01"]
[Round "?"]
[White "Costa, Fabrizio"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2191"]
[BlackElo "2161"]
[PlyCount "55"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 0-0 8. Rc1 dxc4 9. Bxc4 c5 10. dxc5 Nd7 11. 0-0 Nxc5 12. Nb5 Rd8 13. Qc2 a6 14. Nbd4 e5 15. a3 exd4 16. axb4 d3 17. Qc3 Qxc3 18. Rxc3 Na4 19. Rxd3 Rxd3 20. Bxd3 Nxb2 21. Be4 Nc4 22. Rd1 Kf8 23. Rd4 Nb6 24. h3 Ke7 25. Nd2 Ra7 26. Nb3 Na4 27. Rd3 Bd7 28. Nd4 1/2-1/2

[Event "W-ch WS/M/877 email"]
[Site "ICCF email"]
[Date "2023.01.01"]
[Round "?"]
[White "Lukasiewicz, Przemyslaw"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2257"]
[BlackElo "2161"]
[PlyCount "44"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 h5 9. Nd5 Bxd5 10. exd5 g6 11. Qd2 Nbd7 12. 0-0-0 Nb6 13. Kb1 Nbxd5 14. Bg5 Be7 15. Bd3 Qc7 16. Rhe1 Nb6 17. a4 0-0-0 18. a5 Nbd7 19. Be3 Kb8 20. Bg1 d5 21. c3 Bd6 22. Qf2 Kc8 1/2-1/2

[Event "W-ch WS/M/877 email"]
[Site "ICCF email"]
[Date "2023.01.01"]
[Round "?"]
[White "Owens, Johnny"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2333"]
[BlackElo "2161"]
[PlyCount "52"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Bg4 3. e3 c6 4. Bb2 Nd7 5. h3 Bh5 6. Be2 Ngf6 7. d3 h6 8. Nbd2 Bg6 9. 0-0 e6 10. Re1 Be7 11. c4 0-0 12. a3 a5 13. Bc3 Re8 14. cxd5 cxd5 15. b4 Rc8 16. Qb3 a4 17. Qb2 Bd6 18. Nf1 e5 19. Rac1 Bb8 20. Nh4 Bh7 21. Nf3 Bg6 22. Ng3 Nh5 23. Nf1 Nhf6 24. Nh4 Bh7 25. Nf3 Bg6 26. Nh4 Bh7 1/2-1/2

[Event "W-ch WS/M/877 email"]
[Site "ICCF email"]
[Date "2023.01.01"]
[Round "?"]
[White "Pigozzi, Maurizio"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2129"]
[BlackElo "2161"]
[PlyCount "47"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. 0-0 0-0 6. c4 c6 7. b3 Bf5 8. Bb2 Nbd7 9. cxd5 cxd5 10. Nc3 Rc8 11. Rc1 Qa5 12. Qd2 Qa6 13. e3 Rfd8 14. Nh4 Be6 15. Nf3 h6 16. Rfd1 Ne4 17. Qe2 Rc6 18. Qxa6 Rxa6 19. a3 Rb6 20. b4 Nxc3 21. Bxc3 Ra6 22. Bb2 Nb6 23. Nd2 Na4 24. Ba1 1/2-1/2

[Event "W-ch WS/M/877 email"]
[Site "ICCF email"]
[Date "2023.01.01"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Kaczmarek, Robert"]
[Result "1/2-1/2"]
[ECO "C89"]
[WhiteElo "2161"]
[BlackElo "2280"]
[PlyCount "61"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. Re1 Bd6 13. g3 Bf5 14. d3 Re8 15. Rxe8+ Qxe8 16. a4 b4 17. Bd2 a5 18. d4 Bh3 19. Qf3 Qd7 20. cxb4 axb4 21. a5 h6 22. Be3 Bg4 23. Qg2 Be6 24. Bd1 Bb8 25. Nd2 Ba7 26. Nf3 Qd6 27. Bd2 g5 28. Qf1 g4 29. Ne5 Bxd4 30. Nc4 Qd8 31. Bxh6 1/2-1/2

[Event "W-ch WS/M/877 email"]
[Site "ICCF email"]
[Date "2023.01.01"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Kudr, Roman"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2161"]
[BlackElo "2359"]
[PlyCount "39"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. 0-0-0 Be7 13. Ne4 0-0 14. Kb1 c5 15. dxc5 Nxc5 16. Nxf6+ Bxf6 17. Qxd8 Rfxd8 18. Be3 Rxd1+ 19. Rxd1 Na4 20. Bd4 1/2-1/2

[Event "W-ch WS/M/877 email"]
[Site "ICCF email"]
[Date "2023.01.01"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Nouveau, Laurent"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2161"]
[BlackElo "2104"]
[PlyCount "35"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Be3 Qa5 9. Qd2 0-0 10. Rc1 cxd4 11. cxd4 Qxd2+ 12. Nxd2 Bd7 13. Nb3 e6 14. Bc4 Nc6 15. 0-0 b6 16. Bb5 Rac8 17. Rfd1 Nb8 18. Bxd7 1/2-1/2

[Event "W-ch WS/M/877 email"]
[Site "ICCF email"]
[Date "2023.01.01"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Peetoom, Frank F"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2161"]
[BlackElo "2298"]
[PlyCount "39"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 Ke8 10. h3 h5 11. Ne2 c5 12. Nf4 Be7 13. c3 b6 14. Rd1 Bb7 15. Nd5 Bxd5 16. Rxd5 Rd8 17. Rxd8+ Bxd8 18. Bf4 Kd7 19. Rd1+ Ke6 20. Bg5 1/2-1/2

[Event "W-ch WS/M/877 email"]
[Site "ICCF email"]
[Date "2023.01.01"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Reichgeld, Manfred"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2161"]
[BlackElo "2135"]
[PlyCount "47"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb7 7. d3 Bc5 8. a4 0-0 9. Bg5 h6 10. Bh4 b4 11. Nbd2 Be7 12. a5 d6 13. Re1 Nd7 14. Bg3 Rb8 15. c3 Bf6 16. Bc4 bxc3 17. bxc3 Nc5 18. Nb3 Nxb3 19. Qxb3 Bc8 20. Qd1 Na7 21. d4 Qe7 22. h3 Nb5 23. Qd3 Bf5 24. exf5 1-0

[Event "W-ch WS/M/871 email"]
[Site "ICCF email"]
[Date "2022.11.05"]
[Round "?"]
[White "Costa, Fabrizio"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "D87"]
[WhiteElo "2186"]
[BlackElo "2148"]
[PlyCount "57"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 0-0 10. 0-0 b6 11. Qd2 Bb7 12. Rac1 e6 13. Rfd1 cxd4 14. cxd4 Na5 15. Bd3 Rc8 16. Rxc8 Qxc8 17. Rc1 Qd7 18. h4 Rc8 19. h5 Rxc1+ 20. Qxc1 Qc6 21. Qb1 Nc4 22. Bf4 b5 23. Qb3 Bf8 24. a4 a6 25. f3 Na3 26. axb5 axb5 27. hxg6 hxg6 28. Bd2 Qd6 29. Bf4 1/2-1/2

[Event "W-ch WS/M/871 email"]
[Site "ICCF email"]
[Date "2022.11.05"]
[Round "?"]
[White "Kimlong, Ly"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "2111"]
[BlackElo "2148"]
[PlyCount "46"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. a4 b4 9. d4 d6 10. dxe5 dxe5 11. Nbd2 Bc5 12. a5 Qd6 13. Qe2 Be6 14. Nc4 Qe7 15. Be3 Rab8 16. Ba4 Bxe3 17. Nxe3 Qc5 18. Ng5 Nd4 19. Qxa6 Ra8 20. Nxe6 Nxe6 21. Qc6 Rxa5 22. Qxc5 Rxc5 23. f3 g6 1/2-1/2

[Event "W-ch WS/M/871 email"]
[Site "ICCF email"]
[Date "2022.11.05"]
[Round "?"]
[White "Kopala, Marian"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2237"]
[BlackElo "2148"]
[PlyCount "46"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bh4 Be7 8. Bd3 0-0 9. Nge2 Re8 10. 0-0 Nbd7 11. Qc2 a5 12. Rac1 Nh5 13. Bxe7 Qxe7 14. Rfe1 Nb6 15. Kh1 Qd8 16. b3 Bd7 17. Ng1 g6 18. Nf3 Ng7 19. Ne5 Bf5 20. f3 Nd7 21. Nxd7 Bxd3 22. Qxd3 Qxd7 23. e4 h5 1/2-1/2

[Event "W-ch WS/M/871 email"]
[Site "ICCF email"]
[Date "2022.11.05"]
[Round "?"]
[White "Laine, Erkki"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2136"]
[BlackElo "2148"]
[PlyCount "55"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. 0-0 0-0 8. Re1 Bf5 9. c4 c6 10. Qb3 Qd7 11. c5 Bc7 12. Nbd2 Be6 13. Nf1 h6 14. Ng3 f5 15. Bd2 Qc8 16. Rad1 a5 17. Nh4 Rf7 18. Qc2 g5 19. Ngxf5 Bxf5 20. f3 gxh4 21. fxe4 dxe4 22. Bc4 Qd7 23. Rxe4 Na6 24. Bxf7+ Qxf7 25. Rf1 Bxe4 26. Qxe4 Re8 27. Qxh4 Qg6 28. Rf6 1/2-1/2

[Event "W-ch WS/M/871 email"]
[Site "ICCF email"]
[Date "2022.11.05"]
[Round "?"]
[White "Nordal, Sven"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2221"]
[BlackElo "2148"]
[PlyCount "58"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. 0-0 a5 7. a4 0-0 8. h3 h6 9. Re1 Be6 10. Na3 Bxa3 11. Bxe6 Bxb2 12. Bxf7+ Rxf7 13. Bxb2 Qd7 14. Bc1 b6 15. Be3 Raf8 16. Nh2 Kh7 17. Qc2 Ne7 18. d4 Ng6 19. dxe5 dxe5 20. f3 Nh5 21. Red1 Qe6 22. Ng4 Nhf4 23. Bxf4 Nxf4 24. Kh2 h5 25. Ne3 Qg6 26. Qf2 Qh6 27. Qh4 Ng6 28. Qe1 Qf4+ 29. Kh1 Qg5 1/2-1/2

[Event "W-ch WS/M/871 email"]
[Site "ICCF email"]
[Date "2022.11.05"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Boehme, Sebastian"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2148"]
[BlackElo "2365"]
[PlyCount "51"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. a4 Nc6 10. Be3 Nb4 11. a5 Be6 12. Bg5 d5 13. Bxf6 gxf6 14. Bg4 dxe4 15. Bxe6 Qxd1 16. Raxd1 fxe6 17. Rd7 Rfe8 18. Nxe4 Nxc2 19. Nbc5 Rad8 20. Rxb7 Rd4 21. g4 f5 22. Rc1 Nb4 23. gxf5 exf5 24. Ng3 Bxc5 25. Rxc5 Rd1+ 26. Kg2 1/2-1/2

[Event "W-ch WS/M/871 email"]
[Site "ICCF email"]
[Date "2022.11.05"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Bohl, Achim"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2148"]
[BlackElo "2106"]
[PlyCount "63"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. 0-0 c5 6. c4 Be7 7. Nc3 cxd4 8. exd4 d5 9. cxd5 Nxd5 10. Ne5 0-0 11. Qh5 g6 12. Qh3 Nc6 13. Ba6 Qc7 14. Nxd5 exd5 15. Nxc6 Qxc6 16. Bd3 Bf6 17. Be3 Qd6 18. Qf3 Rfe8 19. a3 Rac8 20. h3 Bg7 21. Qd1 Bc6 22. Qb3 Bd7 23. Ba6 Rb8 24. Be2 Bxd4 25. Bxd4 Rxe2 26. Rfe1 Rbe8 27. Rxe2 Rxe2 28. Qd3 Re4 29. Rd1 Re6 30. Bc3 Bc6 31. Qd4 f6 32. Rd3 1-0

[Event "W-ch WS/M/871 email"]
[Site "ICCF email"]
[Date "2022.11.05"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Dudley, Michael"]
[Result "1/2-1/2"]
[ECO "E08"]
[WhiteElo "2148"]
[BlackElo "2195"]
[PlyCount "52"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 c6 7. 0-0 0-0 8. Qc2 b6 9. Bf4 Bb7 10. Rd1 Nbd7 11. Ne5 Nh5 12. Bd2 Nhf6 13. cxd5 cxd5 14. Nc6 Bxc6 15. Qxc6 a6 16. e3 b5 17. Rc1 Qb6 18. Qc7 Qxc7 19. Rxc7 Rfc8 20. Rxc8+ Rxc8 21. Nc3 Nb6 22. Rc1 Bb4 23. Nb1 Bxd2 24. Rxc8+ Nxc8 25. Nxd2 Nd6 26. Kf1 Nc4 1/2-1/2

[Event "W-ch WS/M/871 email"]
[Site "ICCF email"]
[Date "2022.11.05"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Epinoux, Jean Francois"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2148"]
[BlackElo "2184"]
[PlyCount "81"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Be3 Qa5 9. Qd2 0-0 10. Rc1 Rd8 11. d5 e6 12. Bg5 f6 13. Be3 Nc6 14. h4 h5 15. Bd3 exd5 16. exd5 Ne7 17. 0-0 c4 18. Bxc4 Be6 19. dxe6 Rxd2 20. Nxd2 Nf5 21. Rfe1 Kh7 22. Bf4 Bh6 23. Bxh6 Kxh6 24. Ne4 Nxh4 25. Bb3 Nf5 26. Rcd1 Qe5 27. Nd6 Qc5 28. Nxf5+ gxf5 29. e7 Re8 30. Rd7 Kg7 31. Re6 h4 32. Rdd6 Qa5 33. Rxf6 Rxe7 34. Rg6+ Kh8 35. Rh6+ Rh7 36. Rhe6 Rc7 37. Rd5 Qxc3 38. Rxf5 Qa1+ 39. Kh2 Rc1 40. Kh3 Qc3+ 41. f3 1-0

[Event "W-ch WS/M/871 email"]
[Site "ICCF email"]
[Date "2022.11.05"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Ramos, Cristian"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2148"]
[BlackElo "2191"]
[PlyCount "39"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. c4 cxd4 5. exd4 Nc6 6. Nc3 e6 7. a3 Be7 8. c5 Ne4 9. Qc2 Nxc3 10. Qxc3 0-0 11. Bb5 Bd7 12. Bxc6 Bxc6 13. 0-0 a5 14. b4 axb4 15. axb4 Rxa1 16. Qxa1 Qa8 17. Bf4 Qa6 18. Qxa6 bxa6 19. Re1 Bd7 20. Ne5 1/2-1/2

[Event "W-ch WS/M/862 email"]
[Site "ICCF email"]
[Date "2022.08.24"]
[Round "?"]
[White "Dudley, Michael"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "C58"]
[WhiteElo "2168"]
[BlackElo "2148"]
[PlyCount "47"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 9. Nf3 Bd6 10. Nc3 0-0 11. Be2 f5 12. d3 e4 13. Nd4 Nxc3 14. bxc3 c5 15. Nb3 Be6 16. 0-0 Qc7 17. Nxa5 Qxa5 18. dxe4 Rad8 19. Qe1 Be5 20. Bd2 f4 21. Qc1 c4 22. Rd1 Bd6 23. a4 Qe5 24. f3 1/2-1/2

[Event "W-ch WS/M/862 email"]
[Site "ICCF email"]
[Date "2022.08.24"]
[Round "?"]
[White "Enev, Zlatko"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "D77"]
[WhiteElo "2115"]
[BlackElo "2148"]
[PlyCount "30"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. g3 d5 4. Bg2 Bg7 5. c4 dxc4 6. Na3 c5 7. 0-0 0-0 8. dxc5 c3 9. Nb5 Na6 10. Nxc3 Nxc5 11. Be3 Nfe4 12. Nxe4 Nxe4 13. Bd4 Bxd4 14. Qxd4 Qxd4 15. Nxd4 Nd6 1/2-1/2

[Event "W-ch WS/M/862 email"]
[Site "ICCF email"]
[Date "2022.08.24"]
[Round "?"]
[White "Laine, Erkki"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "C58"]
[WhiteElo "2142"]
[BlackElo "2148"]
[PlyCount "42"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 9. Nf3 Bd6 10. Nc3 0-0 11. Be2 f5 12. d3 e4 13. Nd4 Nxc3 14. bxc3 c5 15. Nb3 Be6 16. 0-0 Qc7 17. Nxa5 Qxa5 18. dxe4 Rad8 19. Qe1 Be5 20. Bg5 Rde8 21. Rb1 f4 1/2-1/2

[Event "W-ch WS/M/862 email"]
[Site "ICCF email"]
[Date "2022.08.24"]
[Round "?"]
[White "Palladino, Mario"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2239"]
[BlackElo "2148"]
[PlyCount "102"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. e3 0-0 5. Be2 c5 6. d5 e6 7. Nc3 d6 8. 0-0 exd5 9. cxd5 Re8 10. Nd2 Nbd7 11. a4 a6 12. h3 h6 13. Ra3 Rb8 14. e4 g5 15. f4 gxf4 16. Rxf4 Ne5 17. Rf1 Qe7 18. Rb3 Nfd7 19. Qe1 b6 20. Kh1 Nf6 21. Qf2 Kh8 22. Nc4 Nxc4 23. Bxc4 Nd7 24. Qe2 Qh4 25. Rf4 Qe7 26. Bxa6 Bxa6 27. Qxa6 Be5 28. Rf5 b5 29. Nxb5 Ra8 30. Qc6 Rxa4 31. Bf4 Rxe4 32. Bg3 Bxg3 33. Rxg3 Rg8 34. Rxg8+ Kxg8 35. Qc7 Re2 36. Nxd6 f6 37. Nc4 Qg7 38. Qd8+ Kh7 39. g4 Qf7 40. b3 Kg6 41. Kg1 Re8 42. Qa5 Qe7 43. Qd2 Qe2 44. Qxe2 Rxe2 45. Rf3 Ne5 46. Re3 Rxe3 47. Nxe3 Nf3+ 48. Kf2 Nd2 49. Nc4 Nxb3 50. Ke3 Nd4 51. Ke4 Kf7 1/2-1/2

[Event "W-ch WS/M/862 email"]
[Site "ICCF email"]
[Date "2022.08.24"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Gromotka, Harry"]
[Result "1/2-1/2"]
[ECO "C79"]
[WhiteElo "2148"]
[BlackElo "2312"]
[PlyCount "120"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 g6 7. 0-0 Bg7 8. Re1 Nf6 9. h3 0-0 10. Bc2 Re8 11. Nbd2 a5 12. Nf1 a4 13. Ng3 b5 14. Be3 Qc8 15. Qd2 Na5 16. b3 c5 17. d5 Qc7 18. Qe2 axb3 19. axb3 h5 20. Reb1 c4 21. b4 Nb3 22. Rxa8 Rxa8 23. Bxb3 cxb3 24. Rxb3 Qc8 25. Qb2 h4 26. Nxh4 Qc4 27. Qb1 Nxd5 28. exd5 Qxh4 29. Ne4 Bf5 30. f3 Bh6 31. Bf2 Qe7 32. Rb2 Ra3 33. Rb3 Ra8 34. Rb2 Qc7 35. Qd3 Kg7 36. Be3 Ra1+ 37. Kh2 Bxe3 38. Qxe3 Bxe4 39. fxe4 Rf1 40. Ra2 Qc4 41. Ra6 Rf6 42. Ra1 Rf4 43. Re1 Kf8 44. Kg1 Qa2 45. g3 Rf6 46. Rf1 Rxf1+ 47. Kxf1 Qa6 48. h4 Qa2 49. Ke1 Qg2 50. Kd1 Ke7 51. Ke1 Kf8 52. Qd3 Ke7 53. Qe3 Qc2 54. Qa7+ Kf8 55. Qe3 Kg8 56. Kf1 Kh7 57. Ke1 Qg2 58. Qd3 Kg7 59. Qe3 Kh7 60. Qd3 Kg7 1/2-1/2

[Event "W-ch WS/M/862 email"]
[Site "ICCF email"]
[Date "2022.08.24"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Lau Jensen, Benjamin"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2148"]
[BlackElo "2142"]
[PlyCount "67"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 Nf6 8. 0-0-0 Ne5 9. Qg3 b5 10. f4 Neg4 11. Bg1 h5 12. e5 b4 13. Na4 Nd5 14. h3 Nh6 15. f5 Bb7 16. Bd3 Be7 17. Kb1 h4 18. Qe1 Nf4 19. Be4 Nxg2 20. Bxg2 Bxg2 21. Rh2 Bd5 22. Rhd2 Rc8 23. Ka1 Qa5 24. b3 f6 25. fxe6 dxe6 26. exf6 Bxf6 27. Kb1 0-0 28. Nxe6 Bxe6 29. Qxe6+ Kh7 30. Nb6 Rfe8 31. Qd5 Qxd5 32. Nxd5 Bc3 33. Rd3 Re2 34. Nxc3 1/2-1/2

[Event "W-ch WS/M/862 email"]
[Site "ICCF email"]
[Date "2022.08.24"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Lelito, Jerzy"]
[Result "1/2-1/2"]
[ECO "C93"]
[WhiteElo "2148"]
[PlyCount "43"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d6 9. h3 Bb7 10. d4 Re8 11. a3 Bf8 12. Nbd2 h6 13. Bc2 Nb8 14. b3 Nbd7 15. Bb2 c6 16. a4 Qc7 17. Bd3 d5 18. Nxe5 Nxe5 19. dxe5 dxe4 20. Nxe4 Qxe5 21. Rb1 Qf4 22. Nxf6+ 1/2-1/2

[Event "W-ch WS/M/862 email"]
[Site "ICCF email"]
[Date "2022.08.24"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Schleef, Harald"]
[Result "1/2-1/2"]
[ECO "D47"]
[WhiteElo "2148"]
[BlackElo "2157"]
[PlyCount "65"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. e3 Nf6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5 11. e5 Nd5 12. 0-0 cxd4 13. Nxd4 Nxe5 14. Bb5+ Nd7 15. Re1 Rc8 16. b3 Be7 17. Rxe6 0-0 18. Nc6 Bxc6 19. Rxc6 Nc7 20. Bf1 Ne5 21. Qxd8 Rfxd8 22. Rc2 Nd5 23. Rxc8 Rxc8 24. Bb2 Bf6 25. Ba6 Rd8 26. Rd1 Nc6 27. Bxf6 Nxf6 28. Rxd8+ Nxd8 29. Nc5 Nd5 30. Nd3 Nc6 31. Bb7 Nce7 32. Kf1 f5 33. Nc1 1/2-1/2

[Event "W-ch WS/M/862 email"]
[Site "ICCF email"]
[Date "2022.08.24"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Zholob, Anatoly"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2148"]
[BlackElo "2297"]
[PlyCount "41"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. a4 Nc6 10. Be3 Be6 11. a5 Rc8 12. Ra4 Qd7 13. Qa1 d5 14. exd5 Nxd5 15. Nxd5 Bxd5 16. Rd1 Qe6 17. Nc5 Bxc5 18. Bxc5 Nd4 19. Bxd4 exd4 20. Bf1 Rxc2 21. Raxd4 1/2-1/2

[Event "W-ch WS/M/862 email"]
[Site "ICCF email"]
[Date "2022.08.24"]
[Round "?"]
[White "Weiser, Robert"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "D71"]
[WhiteElo "2300"]
[BlackElo "2148"]
[PlyCount "81"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Qa4 Bg7 6. cxd5 Nxd5 7. Nf3 Bg4 8. Nbd2 0-0 9. 0-0 a5 10. h3 Be6 11. Ne4 Na6 12. Bd2 h6 13. Qc2 Qb6 14. Nc3 Rfd8 15. Rfd1 Kh7 16. Nxd5 cxd5 17. Bc3 Nc7 18. a4 Ne8 19. e3 Nd6 20. Ne5 Ne4 21. Nd3 Bf5 22. Rdc1 Rdc8 23. Qd1 Bd7 24. Be1 Rxc1 25. Rxc1 e6 26. b3 Nd6 27. Nc5 Bc6 28. g4 Qd8 29. f3 Rc8 30. Bf1 e5 31. dxe5 Bxe5 32. Nd3 Bf6 33. Bg3 Ne8 34. Kg2 Ng7 35. Nf4 Bb2 36. Rc2 Be5 37. Nxd5 Bxg3 38. Kxg3 Qd6+ 39. Kg2 Rd8 40. e4 Qe5 41. Qc1 1/2-1/2

[Event "W-ch WS/M/844 email"]
[Site "ICCF email"]
[Date "2022.04.01"]
[Round "?"]
[White "Del Monaco, Andrea"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "C87"]
[WhiteElo "2238"]
[BlackElo "2106"]
[PlyCount "71"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. 0-0 a6 6. Bxc6+ bxc6 7. Re1 Be7 8. d4 exd4 9. Nxd4 Bd7 10. c4 0-0 11. Nc3 Re8 12. Qf3 h6 13. Bf4 c5 14. Nf5 Bf8 15. h3 a5 16. Rad1 Bc6 17. Bd2 a4 18. Nd5 Nxd5 19. cxd5 Bd7 20. Bc3 Bxf5 21. exf5 Rxe1+ 22. Rxe1 Be7 23. a3 Bf6 24. Re3 Kh7 25. Qe4 Qd7 26. g3 Rc8 27. Re2 Rb8 28. Bxf6 gxf6 29. Kg2 Rb3 30. Qe7 Qxe7 31. Rxe7 Kg7 32. Rxc7 Rxb2 33. Rc6 Rb3 34. Rxd6 Rxa3 35. Rc6 Rc3 36. d6 1/2-1/2

[Event "W-ch WS/M/844 email"]
[Site "ICCF email"]
[Date "2022.04.01"]
[Round "?"]
[White "Hinrichs, Heinz"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "D87"]
[WhiteElo "2291"]
[BlackElo "2106"]
[PlyCount "38"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 0-0 10. 0-0 b6 11. Qd2 Bb7 12. Rac1 e6 13. Rfd1 cxd4 14. cxd4 Na5 15. Bd3 Rc8 16. f3 Qd7 17. Kf2 Rxc1 18. Rxc1 Rc8 19. h3 Rxc1 1/2-1/2

[Event "W-ch WS/M/844 email"]
[Site "ICCF email"]
[Date "2022.04.01"]
[Round "?"]
[White "Kuna, Heiko"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2271"]
[BlackElo "2106"]
[PlyCount "49"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Rb1 0-0 9. Be2 cxd4 10. cxd4 Qa5+ 11. Bd2 Qxa2 12. 0-0 Bg4 13. Bg5 Rd8 14. d5 Bf6 15. Bxf6 exf6 16. Rxb7 Nd7 17. h3 Bxf3 18. Bxf3 Rab8 19. Rb1 Rxb1 20. Qxb1 Qxb1 21. Rxb1 a5 22. Rb7 f5 23. exf5 Ne5 24. Bd1 Rxd5 25. Bb3 1/2-1/2

[Event "W-ch WS/M/844 email"]
[Site "ICCF email"]
[Date "2022.04.01"]
[Round "?"]
[White "Salzmann, Stefan"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "A65"]
[WhiteElo "2370"]
[BlackElo "2106"]
[PlyCount "84"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 c5 4. d5 d6 5. e4 e6 6. Nc3 Bg7 7. Bg5 h6 8. Be3 exd5 9. cxd5 a6 10. a4 0-0 11. Qd2 Re8 12. Nge2 Nbd7 13. Nd1 Ne5 14. Nec3 g5 15. Be2 Nh5 16. 0-0 Qf6 17. a5 Nf4 18. Na4 b5 19. axb6 Nxe2+ 20. Qxe2 a5 21. f4 gxf4 22. Rxf4 Qg6 23. Nf2 h5 24. Ra3 Bg4 25. Qf1 Rab8 26. Bc1 Bd7 27. Kh1 Rf8 28. Qe2 f5 29. Rg3 Qe8 30. Bd2 Ng4 31. h3 h4 32. Ra3 Nf6 33. Rxh4 Bxa4 34. Bxa5 Bb5 35. Qd2 f4 36. Rxf4 Qg6 37. Qe1 Nh5 38. Rg4 Qf6 39. Rf3 Qe7 40. Qe3 Rxf3 41. Qxf3 Qf7 42. Rg5 Qxf3 1/2-1/2

[Event "W-ch WS/M/844 email"]
[Site "ICCF email"]
[Date "2022.04.01"]
[Round "?"]
[White "Taffijn, Martien"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2134"]
[BlackElo "2106"]
[PlyCount "40"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 c6 6. 0-0 d5 7. Qb3 a5 8. cxd5 a4 9. Qd1 cxd5 10. e3 b5 11. Nc3 Ne4 12. Ne1 Nxc3 13. bxc3 Nc6 14. Ba3 Na5 15. Qe2 Nc4 16. Bb4 Re8 17. h3 e6 18. Nd3 Bd7 19. Rab1 Rc8 20. h4 Bf8 1/2-1/2

[Event "W-ch WS/M/844 email"]
[Site "ICCF email"]
[Date "2022.04.01"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Bourgault, Julien"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2106"]
[BlackElo "2135"]
[PlyCount "55"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bf4 0-0 7. Qd2 Nc6 8. 0-0-0 Nxd4 9. Qxd4 a6 10. e5 dxe5 11. Qxe5 Bd6 12. Qd4 Bxf4+ 13. Qxf4 Qe7 14. Bc4 Be6 15. Rhe1 Rad8 16. Rxd8 Rxd8 17. Bxe6 fxe6 18. Ne4 Rf8 19. f3 h6 20. Nd2 Rd8 21. Qe3 Kf7 22. g3 b5 23. Nb3 Rd6 24. Nc5 Qe8 25. Nd3 Qb8 26. f4 Qb6 27. Qe2 Kg8 28. a3 1/2-1/2

[Event "W-ch WS/M/844 email"]
[Site "ICCF email"]
[Date "2022.04.01"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Deforel, Jorge Eduardo"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2106"]
[BlackElo "2295"]
[PlyCount "51"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Nd5 Be7 11. Bxf6 Bxf6 12. c3 Bg5 13. Nc2 0-0 14. a4 bxa4 15. Rxa4 a5 16. Bc4 Rb8 17. Ra2 Kh8 18. Nce3 g6 19. h4 Bxh4 20. g3 Bg5 21. f4 exf4 22. gxf4 Bh4+ 23. Kf1 f5 24. b4 fxe4 25. Rah2 g5 26. Ke2 1-0

[Event "W-ch WS/M/844 email"]
[Site "ICCF email"]
[Date "2022.04.01"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Gromotka, Harry"]
[Result "1/2-1/2"]
[ECO "C69"]
[WhiteElo "2106"]
[BlackElo "2371"]
[PlyCount "78"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 f6 6. d4 exd4 7. Nxd4 c5 8. Nb3 Qxd1 9. Rxd1 Be6 10. Bf4 c4 11. Nd4 0-0-0 12. Nc3 Bf7 13. Nf5 Re8 14. Ne3 Bc5 15. Ned5 Bxd5 16. Rxd5 Bb4 17. Rd4 c5 18. Rd5 Ne7 19. Rh5 b6 20. Na4 Ba5 21. f3 Rd8 22. Kf2 Nc6 23. Nc3 Nd4 24. Nd5 Nxc2 25. Rc1 Nb4 26. Nxb4 Bxb4 27. Rxc4 Bd2 28. Bg3 g6 29. Rh3 h5 30. Ke2 Kb7 31. Rc2 Bh6 32. Be1 Rde8 33. Kf1 a5 34. Bc3 Re6 35. g4 Bf4 36. gxh5 gxh5 37. a4 Kc6 38. Be1 Rd6 39. Ke2 Be5 1/2-1/2

[Event "W-ch WS/M/844 email"]
[Site "ICCF email"]
[Date "2022.04.01"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Nozicka, Vladislav"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2106"]
[BlackElo "2113"]
[PlyCount "93"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4 a6 9. Qd2 Bc5 10. 0-0-0 0-0 11. Nb3 Be7 12. h4 Qc7 13. h5 b5 14. Kb1 Nb6 15. Bd3 Nc4 16. Bxc4 bxc4 17. Nd4 Bd7 18. Nxc6 Bxc6 19. h6 g6 20. Bd4 Rab8 21. Ka1 Rb7 22. g4 Rfb8 23. Rb1 Qd8 24. Qe3 a5 25. Rh3 Qd7 26. Rf3 Qc8 27. f5 Qd7 28. Rbf1 Rf8 29. Ne2 Ba4 30. fxe6 fxe6 31. Rxf8+ Bxf8 32. Bc5 Be7 33. Bxe7 Qxe7 34. Nd4 Bd7 35. Qd2 a4 36. a3 Rb8 37. Rf6 Rf8 38. g5 Rc8 39. Qb4 Re8 40. Ka2 Qd8 41. Nb5 Bxb5 42. Qxb5 Re7 43. Qxa4 Qc8 44. Qb4 Re8 45. Qd6 Qb7 46. Rxe6 Rb8 47. Qb4 1-0

[Event "W-ch WS/M/844 email"]
[Site "ICCF email"]
[Date "2022.04.01"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Stewart, Douglas"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2106"]
[BlackElo "2401"]
[PlyCount "58"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. a4 Be6 10. f4 Nbd7 11. Be3 exf4 12. Rxf4 Ne5 13. Nd4 Qd7 14. a5 Rac8 15. Kh1 Bd8 16. Bg1 Re8 17. Qe1 h6 18. Qg3 h5 19. Nxe6 Qxe6 20. Rf5 Rxc3 21. Qxc3 Nxe4 22. Qh3 Ng5 23. Rxg5 Bxg5 24. Qxe6 fxe6 25. Bxh5 g6 26. Be2 d5 27. g3 Nc6 28. c3 Bd8 29. b4 Bf6 1/2-1/2

[Event "EU-ch SC-OR/454 email"]
[Site "ICCF email"]
[Date "2021.11.10"]
[Round "?"]
[White "Mocholi Velert, Vicente"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "2016"]
[BlackElo "2086"]
[PlyCount "55"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 e6 6. g4 h6 7. Rg1 Nc6 8. h4 d5 9. exd5 Nxd5 10. Nxd5 exd5 11. Be3 Qxh4 12. Qf3 Nxd4 13. Bxd4 Qe7+ 14. Be2 Qe4 15. 0-0-0 Qxf3 16. Bxf3 Be6 17. Rge1 Kd7 18. Be3 Bd6 19. Bxd5 Bxd5 20. Rxd5 Kc6 21. Rd4 b6 22. b4 Rad8 23. a4 a6 24. Re2 h5 25. gxh5 Rxh5 26. c3 Bc7 27. Rc4+ Kb7 28. Re4 1/2-1/2

[Event "EU-ch SC-OR/454 email"]
[Site "ICCF email"]
[Date "2021.11.10"]
[Round "?"]
[White "O'Neill McAleenan, Charles"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1874"]
[BlackElo "2086"]
[PlyCount "51"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 c5 4. e3 cxd4 5. exd4 a6 6. Nf3 Nc6 7. Ne5 e6 8. Nxc6 bxc6 9. Na4 Nd7 10. Bd3 Qf6 11. Be3 Bd6 12. 0-0 0-0 13. f4 Qe7 14. Qe2 c5 15. dxc5 Nxc5 16. Nxc5 Bxc5 17. Qf2 Bxe3 18. Qxe3 a5 19. Rae1 Qb4 20. b3 g6 21. c4 dxc4 22. Bxc4 Ba6 23. Rc1 Qa3 24. Bxa6 Rxa6 25. Rc2 a4 26. Rfc1 1/2-1/2

[Event "EU-ch SC-OR/454 email"]
[Site "ICCF email"]
[Date "2021.11.10"]
[Round "?"]
[White "Skoumal, Radek"]
[Black "Viberg, Jan"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1507"]
[BlackElo "2086"]
[PlyCount "34"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. Nf3 Nf6 2. Nc3 c5 3. d3 d5 4. Bg5 Nc6 5. e3 d4 6. Ne4 Nxe4 7. dxe4 f6 8. Bf4 e5 9. Bg3 Be6 10. exd4 cxd4 11. Bb5 Qa5+ 12. c3 Qxb5 13. cxd4 Bb4+ 14. Nd2 Nxd4 15. a3 Bb3 16. Qg4 Qd3 17. axb4 Nc2+ 0-1

[Event "EU-ch SC-OR/454 email"]
[Site "ICCF email"]
[Date "2021.11.10"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Artamonov, Roman"]
[Result "1/2-1/2"]
[ECO "C97"]
[WhiteElo "2086"]
[BlackElo "2050"]
[PlyCount "62"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. Nf1 Nc4 14. b3 Nb6 15. Ne3 c4 16. bxc4 Nxc4 17. Nxc4 bxc4 18. a4 a5 19. Be3 Rab8 20. Nd2 Rb2 21. Nf1 g6 22. Bc1 Rb7 23. Ne3 Be6 24. Qf3 Rfb8 25. Ba3 Nh5 26. g3 Nf6 27. Rad1 Ne8 28. g4 Bf6 29. Kg2 Bg7 30. d5 Bd7 31. Qg3 Nf6 1/2-1/2

[Event "EU-ch SC-OR/454 email"]
[Site "ICCF email"]
[Date "2021.11.10"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Knoeppel, Bjoern"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2086"]
[BlackElo "2088"]
[PlyCount "53"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be7 8. Nc4 b5 9. Ne3 Nf6 10. g3 h5 11. Bg2 h4 12. 0-0 Rb8 13. Ncd5 Nxd5 14. Nxd5 Be6 15. c3 Qd7 16. a4 b4 17. Qd3 hxg3 18. hxg3 Bh3 19. Qxa6 Bxg2 20. Kxg2 Qh3+ 21. Kf3 Kd7 22. Qd3 bxc3 23. bxc3 Qh5+ 24. g4 Qh3+ 25. Ke2 Qxg4+ 26. Qf3 Qxf3+ 27. Kxf3 1/2-1/2

[Event "EU-ch SC-OR/454 email"]
[Site "ICCF email"]
[Date "2021.11.10"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Meller, Edwin"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2086"]
[BlackElo "1758"]
[PlyCount "63"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. Re1 a6 6. Bf1 Ng6 7. d4 cxd4 8. Nxd4 Be7 9. c4 0-0 10. Be3 Qc7 11. Nc3 b6 12. Rc1 Nxd4 13. Qxd4 Rb8 14. Red1 Rd8 15. a3 d6 16. b4 Ne5 17. Qd2 Bb7 18. f3 Bf6 19. Qf2 Nd7 20. h3 Ba8 21. Bf4 Ne5 22. Be3 Nd7 23. g4 h6 24. h4 Ne5 25. g5 hxg5 26. hxg5 Be7 27. Be2 Re8 28. Qh2 Ng6 29. f4 Bd8 30. Kf2 Bc6 31. Rh1 Qb7 32. Bf3 1-0

[Event "Sundsvall op"]
[Site "Sundsvall"]
[Date "2020.01.06"]
[Round "7"]
[White "Hjorth, Gunnar"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2197"]
[BlackElo "1917"]
[PlyCount "65"]
[EventDate "2020.01.04"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. 0-0 c5 6. c4 cxd4 7. Qxd4 Be7 8. Nc3 0-0 9. b3 Nc6 10. Qf4 Qb8 11. Rd1 Qxf4 12. Bxf4 Nb4 13. Bd6 Bxd6 14. Rxd6 Rfd8 15. Rad1 Kf8 16. Ne5 Bxg2 17. Kxg2 Ke7 18. R6d2 Nc6 19. Nf3 Rac8 20. h3 h6 21. e4 d6 22. Nd4 Nxd4 23. Rxd4 Rd7 24. f4 Rcd8 25. Kf3 g5 26. R4d3 a6 27. a4 a5 28. R1d2 gxf4 29. gxf4 Rg8 30. Rg2 Rxg2 31. Kxg2 Rd8 32. Kf3 Nd7 33. Re3 1/2-1/2

[Event "Sundsvall op"]
[Site "Sundsvall"]
[Date "2020.01.06"]
[Round "8"]
[White "Viberg, Jan"]
[Black "Karlsson, Patrik"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "1917"]
[BlackElo "1938"]
[PlyCount "31"]
[EventDate "2020.01.04"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e6 7. Qd2 Qa5 8. Nf3 Nd4 9. 0-0 Ne7 10. Ne1 h6 11. a3 Bd7 12. Rb1 Rc8 13. f4 Bc6 14. Nd1 Qxd2 15. Bxd2 0-0 16. Ne3 1/2-1/2

[Event "Sundsvall op"]
[Site "Sundsvall"]
[Date "2020.01.05"]
[Round "5"]
[White "Granath, Jonas"]
[Black "Viberg, Jan"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1760"]
[BlackElo "1917"]
[PlyCount "47"]
[EventDate "2020.01.04"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. dxe5 dxe5 5. Bc4 c6 6. c3 b5 7. Bb3 Be7 8. a4 Bb7 9. axb5 cxb5 10. Qe2 a6 11. 0-0 Ngf6 12. Nbd2 0-0 13. Bc2 Qc7 14. Nb3 Rac8 15. Bd2 Rfd8 16. Rfd1 Nb6 17. Na5 Ba8 18. Be1 Rxd1 19. Rxd1 Na4 20. Bxa4 bxa4 21. Qxa6 Nxe4 22. Nxe5 Nc5 23. Qe2 Qxa5 24. Qg4 0-1

[Event "Sundsvall op"]
[Site "Sundsvall"]
[Date "2020.01.05"]
[Round "6"]
[White "Viberg, Jan"]
[Black "Sundin, Thommy"]
[Result "1/2-1/2"]
[ECO "B84"]
[WhiteElo "1917"]
[BlackElo "2035"]
[PlyCount "49"]
[EventDate "2020.01.04"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. a4 Qc7 8. 0-0 b6 9. f4 Bb7 10. Bf3 Be7 11. Qe2 Nc6 12. Nxc6 Bxc6 13. g4 0-0 14. g5 Nd7 15. Bg2 Rfe8 16. Qh5 b5 17. axb5 axb5 18. Rxa8 Bxa8 19. Qe2 b4 20. Nb1 d5 21. c3 Bb7 22. Rd1 dxe4 23. Bxe4 Bc5+ 24. Kg2 Nb6 25. Qf3 1/2-1/2

[Event "Sundsvall op"]
[Site "Sundsvall"]
[Date "2020.01.04"]
[Round "3"]
[White "Landgren, Andreas"]
[Black "Viberg, Jan"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2239"]
[BlackElo "1917"]
[PlyCount "63"]
[EventDate "2020.01.04"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 Nbd7 8. Nge2 h6 9. Bh4 Nh5 10. Bxe7 Qxe7 11. 0-0 0-0 12. Qd2 Re8 13. Rae1 Nf8 14. Nc1 Nf6 15. f3 Qb4 16. Bb1 b6 17. Kh1 Ba6 18. Nd3 Qd6 19. Rg1 c5 20. Nf4 Rad8 21. Rd1 c4 22. Rge1 Bb7 23. Nfe2 a6 24. Ng3 Ne6 25. a3 b5 26. Bf5 Nf8 27. e4 g6 28. Bh3 dxe4 29. fxe4 Qe7 30. e5 Nd5 31. Qxh6 Ne6 32. Nge4 1-0

[Event "Sundsvall op"]
[Site "Sundsvall"]
[Date "2020.01.04"]
[Round "2"]
[White "Viberg, Jan"]
[Black "Malmdin, Nils Ake"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1917"]
[BlackElo "2163"]
[PlyCount "117"]
[EventDate "2020.01.04"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. d4 Qa5 4. Be3 Bg7 5. Qd2 cxd4 6. Bxd4 Nf6 7. f3 Nc6 8. Be3 d6 9. Bc4 Ne5 10. Bb3 Bd7 11. Bh6 Bxh6 12. Qxh6 Qc5 13. 0-0-0 b5 14. Nge2 a5 15. a3 Rc8 16. Qd2 a4 17. Ba2 Nc4 18. Qd4 0-0 19. Qxc5 Rxc5 20. Nd5 Nxd5 21. Rxd5 Rxd5 22. exd5 Ne3 23. Rg1 Rc8 24. c3 Rc5 25. Nf4 g5 26. Nd3 Rc7 27. Nb4 Bf5 28. Nc6 e6 29. Nd4 exd5 30. Nxf5 Nxf5 31. Bxd5 Rc5 32. Be4 Ne7 33. Rd1 d5 34. Bd3 f5 35. Re1 Kf7 36. Kd2 Kf6 37. g3 h5 38. h3 f4 39. g4 hxg4 40. hxg4 Nc6 41. Rh1 Ne5 42. Be2 Nc4+ 43. Kc1 Ne3 44. Rh6+ Kg7 45. Rb6 Nc4 46. Bd3 Ne5 47. Be2 d4 48. Rxb5 Rxb5 49. Bxb5 Nxf3 50. cxd4 Nxd4 51. Bxa4 Kf6 52. Kd2 Ke5 53. b4 Ke4 54. Bd1 f3 55. Ke1 Ke3 56. a4 Kf4 57. Kf2 Kxg4 58. a5 Kf4 59. a6 1-0

[Event "W-ch WS/M/680 email"]
[Site "ICCF email"]
[Date "2018.02.06"]
[Round "?"]
[White "Camps, Jean Pierre"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2123"]
[BlackElo "2097"]
[PlyCount "135"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Nb6 9. Nc3 Qe6 10. Qe4 g6 11. Bd3 Bg7 12. f4 0-0 13. 0-0 Ba6 14. b3 f5 15. Qf3 d6 16. Qxc6 Qe8 17. Qxe8 Rfxe8 18. Be3 dxe5 19. Rac1 Rad8 20. Rfd1 c6 21. fxe5 Bxe5 22. Be2 Rxd1+ 23. Nxd1 Kf7 24. Rc2 f4 25. Bf2 Bc8 26. Bf3 Bf5 27. Re2 c5 28. g4 fxg3 29. hxg3 Bd4 30. Rd2 Bxf2+ 31. Kxf2 h5 32. Nc3 Rf8 33. Kg2 Kg7 34. Nb5 a5 35. Nd6 a4 36. bxa4 Be6 37. a5 Nxc4 38. Nxc4 Bxc4 39. Rd7+ Kh6 40. Rd6 Rb8 41. Be4 Rb2+ 42. Kf3 Bf7 43. a4 Ra2 44. Bc6 Bb3 45. a6 Bxa4 46. Be4 Be8 47. Re6 Bf7 48. Re7 Rxa6 49. Rxf7 Kg5 50. Rc7 Ra3+ 51. Kf2 Ra2+ 52. Kf1 Kg4 53. Bxg6 Kxg3 54. Bxh5 Kf4 55. Rxc5 Rb2 56. Rc3 Ke4 57. Be2 Kd4 58. Rd3+ Ke5 59. Kf2 Ra2 60. Ke3 Rb2 61. Bf3 Rb5 62. Ra3 Rc5 63. Be4 Rb5 64. Bc6 Rc5 65. Bf3 Rb5 66. Be4 Rc5 67. Ra4 Rb5 68. Bh7 1/2-1/2

[Event "W-ch WS/M/680 email"]
[Site "ICCF email"]
[Date "2018.02.06"]
[Round "?"]
[White "Galiano Martinez, Antonio"]
[Black "Viberg, Jan"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "2269"]
[BlackElo "2097"]
[PlyCount "65"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Nf3 c6 7. 0-0 Qa5 8. e4 e5 9. h3 Nbd7 10. Re1 exd4 11. Nxd4 Ne5 12. Bf1 Re8 13. Be3 c5 14. Nb3 Qb4 15. a3 Qb6 16. Nd2 Be6 17. Rb1 Qd8 18. f4 Nc6 19. g4 Bc8 20. Bf2 a6 21. Bh4 h6 22. Nf3 Qc7 23. Qd3 Nd4 24. Bg2 h5 25. g5 Nd7 26. Nd5 Nxf3+ 27. Qxf3 Qd8 28. Rbd1 Bd4+ 29. Bf2 Bg7 30. e5 dxe5 31. f5 e4 32. Rxe4 Rxe4 33. Qxe4 1-0

[Event "W-ch WS/M/680 email"]
[Site "ICCF email"]
[Date "2018.02.06"]
[Round "?"]
[White "Iacomi, Sergio"]
[Black "Viberg, Jan"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2261"]
[BlackElo "2097"]
[PlyCount "65"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Qd2 0-0 9. dxc5 Bxc5 10. 0-0-0 a6 11. Bxc5 Nxc5 12. Qe3 Qb6 13. Kb1 Na4 14. Qxb6 Nxb6 15. h4 Bd7 16. g3 f6 17. Re1 Rac8 18. a3 h6 19. Bd3 Rc7 20. exf6 gxf6 21. h5 Re8 22. Bg6 Rec8 23. g4 Kg7 24. Rhg1 Rf8 25. Rg3 Bc8 26. g5 hxg5 27. fxg5 f5 28. Rh1 Re7 29. h6+ Kxg6 30. Ne2 Rh8 31. Nf4+ Kf7 32. g6+ Kg8 33. h7+ 1-0

[Event "W-ch WS/M/680 email"]
[Site "ICCF email"]
[Date "2018.02.06"]
[Round "?"]
[White "Keevil, Paul"]
[Black "Viberg, Jan"]
[Result "1-0"]
[ECO "C67"]
[WhiteElo "2284"]
[BlackElo "2097"]
[PlyCount "67"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 Ke8 10. Ne2 h6 11. b3 Be6 12. Bb2 Rd8 13. Rad1 Be7 14. Rxd8+ Kxd8 15. g4 Nh4 16. Nxh4 Bxh4 17. h3 Kc8 18. Nd4 Bd7 19. f4 h5 20. f5 hxg4 21. hxg4 c5 22. Nf3 Bc6 23. e6 Bf6 24. Bxf6 gxf6 25. exf7 Kd8 26. Nh4 Rf8 27. Rd1+ Kc8 28. Ng6 Rxf7 29. Kf2 Rd7 30. Re1 Kd8 31. Kg3 Rd2 32. Ne7 Bd7 33. Ng8 Rd6 34. Re7 1-0

[Event "W-ch WS/M/680 email"]
[Site "ICCF email"]
[Date "2018.02.06"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Kotrc, Michal"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "2097"]
[BlackElo "2242"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 Nxd5 8. Bd2 Nc6 9. Bd3 0-0 10. 0-0 Be7 11. a3 Bf6 12. Be3 Nxc3 13. bxc3 b6 14. Be4 Bb7 15. Rc1 Rc8 16. Qd3 h6 17. Bf4 Qe7 18. a4 Rfd8 19. Rfe1 Na5 20. Bxb7 Qxb7 21. Nd2 Qe7 22. h3 Bg5 23. Bxg5 Qxg5 24. Re3 Nc6 25. Rg3 Qd5 26. Re1 Ne7 27. Ne4 Kh8 28. Rf3 Ng6 29. Qb5 Kg8 30. Kh1 Qxb5 0-1

[Event "W-ch WS/M/680 email"]
[Site "ICCF email"]
[Date "2018.02.06"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Mikhailov, Valentin Valentinov"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "2097"]
[BlackElo "2316"]
[PlyCount "56"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 0-0 8. 0-0 dxc4 9. Bxc4 b5 10. Bd3 Bb7 11. Rd1 b4 12. Na4 c5 13. dxc5 Rc8 14. Ng5 Bxh2+ 15. Kxh2 Ng4+ 16. Kg1 Qxg5 17. Bxh7+ Kh8 18. Be4 Ba6 19. f3 f5 20. Bd3 Bxd3 21. Rxd3 Qh4 22. g3 Qxg3+ 23. Qg2 Qe1+ 24. Qf1 Qh4 25. Qg2 Nde5 26. Rd1 Nh2 27. Rf1 Nxf1 28. Kxf1 Rcd8 0-1

[Event "W-ch WS/M/680 email"]
[Site "ICCF email"]
[Date "2018.02.06"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Ott, Peter"]
[Result "1/2-1/2"]
[ECO "D07"]
[WhiteElo "2097"]
[BlackElo "2147"]
[PlyCount "55"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. Nc3 e6 5. Bf4 dxc4 6. e3 Bd6 7. Bg3 Nf6 8. Bxc4 Bxf3 9. Qxf3 Bxg3 10. hxg3 Nb4 11. 0-0-0 Nbd5 12. Na4 Qe7 13. e4 Nb6 14. Nxb6 axb6 15. e5 Nd5 16. Bxd5 exd5 17. Qxd5 c6 18. Qb3 0-0 19. a3 b5 20. Kb1 Rfd8 21. f4 Rd5 22. g4 Rad8 23. Qh3 h6 24. g5 Rxd4 25. Rxd4 Rxd4 26. gxh6 Qd8 27. Qg4 g6 28. e6 1/2-1/2

[Event "W-ch WS/M/680 email"]
[Site "ICCF email"]
[Date "2018.02.06"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Spagnoli, Luis Jose"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2097"]
[BlackElo "2221"]
[PlyCount "80"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qc2 c5 6. d5 exd5 7. cxd5 Bb7 8. Bg2 Nxd5 9. 0-0 Qc8 10. Rd1 Be7 11. a3 Nf6 12. Bg5 0-0 13. Nc3 Nc6 14. Bh3 Qb8 15. Bxf6 Bxf6 16. Nd5 Qd6 17. Nxf6+ Qxf6 18. Bxd7 Rad8 19. Bh3 g6 20. Bg2 Bc8 21. Rac1 Rfe8 22. Rxd8 Rxd8 23. h3 Be6 24. Qc3 Qxc3 25. Rxc3 Rd1+ 26. Kh2 h6 27. Rd3 Rc1 28. Rd6 Na5 29. Ne5 Rc2 30. b4 Nc4 31. Nxc4 Rxc4 32. bxc5 Rxc5 33. Be4 Kf8 34. g4 Ke7 35. Rd3 b5 36. Kg3 Rc1 37. Kf3 Bc4 38. Re3 Kd6 39. Bd3 a5 40. h4 Kc5 0-1

[Event "W-ch WS/M/680 email"]
[Site "ICCF email"]
[Date "2018.02.06"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Van Damme, Liban"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2097"]
[BlackElo "2185"]
[PlyCount "31"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qc2 c5 6. d5 exd5 7. cxd5 Bb7 8. Bg2 Nxd5 9. 0-0 Nc6 10. Rd1 Be7 11. Qf5 Nf6 12. e4 g6 13. Qf4 0-0 14. e5 Nh5 15. Qg4 Qb8 16. Nc3 1-0

[Event "W-ch WS/M/680 email"]
[Site "ICCF email"]
[Date "2018.02.06"]
[Round "?"]
[White "Walka, Wolfram"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2307"]
[BlackElo "2097"]
[PlyCount "34"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 Nd7 7. 0-0 0-0 8. Nc4 Re8 9. Bd2 f6 10. a4 Nb6 11. Na5 Qe7 12. Nh4 Bd6 13. Re1 g6 14. h3 Rb8 15. Re3 f5 16. Nf3 f4 17. Re1 c5 1/2-1/2

[Event "FIN-SWE email"]
[Site "ICCF email"]
[Date "2017.12.06"]
[Round "?.51"]
[White "Viberg, Jan"]
[Black "Viitala, Aki"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2103"]
[BlackElo "2101"]
[PlyCount "33"]
[EventDate "2017.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Sweden"]
[BlackTeam "Finland"]
[WhiteTeamCountry "SWE"]
[BlackTeamCountry "FIN"]

1. b3 d5 2. Bb2 Nf6 3. e3 c5 4. Nf3 e6 5. c4 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. 0-0 0-0 9. d4 cxd4 10. Nxd4 Bd7 11. Nc3 Re8 12. Rc1 Nxd4 13. Bxd7 Qxd7 14. Qxd4 Be5 15. Qd3 d4 16. exd4 Qxd4 17. Qxd4 1/2-1/2

[Event "FIN-SWE email"]
[Site "ICCF email"]
[Date "2017.12.06"]
[Round "?.51"]
[White "Viitala, Aki"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2101"]
[BlackElo "2103"]
[PlyCount "66"]
[EventDate "2017.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "Sweden"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "SWE"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. a3 Bxd2+ 6. Qxd2 0-0 7. Nc3 d6 8. e4 Nc6 9. Rd1 Qe7 10. Bd3 e5 11. dxe5 Nxe5 12. Nxe5 Qxe5 13. h3 Bd7 14. 0-0 a4 15. f4 Qc5+ 16. Qf2 Qxf2+ 17. Rxf2 Rfe8 18. c5 Bc6 19. cxd6 cxd6 20. Re2 Nh5 21. f5 Nf4 22. Ree1 Nxd3 23. Rxd3 Rad8 24. Kf2 Kf8 25. g4 Re5 26. Rd4 b5 27. Ke3 Ke7 28. h4 Kd7 29. Kf4 Rc5 30. g5 Kc7 31. Red1 Bb7 32. h5 Bc6 33. Nd5+ Bxd5 1/2-1/2

[Event "Hasselbacken op"]
[Site "Stockholm"]
[Date "2017.11.03"]
[Round "1"]
[White "Tikkanen, Hans"]
[Black "Viberg, Jan"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2520"]
[BlackElo "1907"]
[PlyCount "53"]
[EventDate "2017.11.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. 0-0 Be7 6. c4 0-0 7. Nc3 d5 8. cxd5 exd5 9. b3 Nbd7 10. Bb2 a6 11. Ne5 g6 12. f4 c5 13. Qf3 cxd4 14. exd4 Rc8 15. Rad1 Bb4 16. Bb1 Qc7 17. Rc1 Qd6 18. g4 Qe6 19. g5 Nxe5 20. fxe5 Bxc3 21. Bxc3 Ne4 22. Bxe4 dxe4 23. Qe3 Qg4+ 24. Kh1 b5 25. h3 Qe6 26. Rf6 Qd5 27. Rd6 1-0

[Event "W-ch WS/M/664 email"]
[Site "ICCF email"]
[Date "2017.10.28"]
[Round "?"]
[White "Connelly, Kevin"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "C95"]
[WhiteElo "2255"]
[BlackElo "2103"]
[PlyCount "96"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. a4 c5 16. d5 c4 17. Bg5 h6 18. Be3 Nc5 19. Qd2 h5 20. Bxc5 dxc5 21. Qg5 Nd7 22. Qxd8 Rexd8 23. Nf1 Bh6 24. Ne3 f6 25. g4 hxg4 26. hxg4 Bf4 27. Ng2 Bh6 28. g5 Bxg5 29. Nxg5 fxg5 30. Re3 Nf6 31. Rg3 g4 32. Ne3 Kg7 33. Nxg4 Nxg4 34. Rxg4 Rf8 35. Rg5 Kf6 36. Rg3 Kg7 37. Bd1 Rf4 38. f3 Rh4 39. Be2 Kf7 40. Kf2 Rb8 41. Ke3 Rh7 42. axb5 axb5 43. Ra5 Bc8 44. Ra7+ Bb7 45. f4 exf4+ 46. Kxf4 Rh2 47. Bg4 Rxb2 48. Be6+ Kf6 1/2-1/2

[Event "W-ch WS/M/664 email"]
[Site "ICCF email"]
[Date "2017.10.28"]
[Round "?"]
[White "Crielesi, Guerrino"]
[Black "Viberg, Jan"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2255"]
[BlackElo "2103"]
[PlyCount "59"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 0-0 6. Re1 d6 7. a4 Kh8 8. h3 h6 9. a5 a6 10. Nc3 Nh7 11. d4 Ng5 12. Bxg5 hxg5 13. dxe5 dxe5 14. Nd5 Bd6 15. c3 g4 16. Nh2 Qh4 17. hxg4 Bc5 18. Qe2 Be6 19. b4 Bd6 20. Rad1 Kg8 21. Rd3 Qd8 22. Rh3 Ne7 23. Nf6+ gxf6 24. Qe3 Ng6 25. Qh6 Re8 26. Nf1 Bxc4 27. Ng3 Be6 28. Nh5 Bf8 29. Nxf6+ Qxf6 30. Qh7# 1-0

[Event "W-ch WS/M/664 email"]
[Site "ICCF email"]
[Date "2017.10.28"]
[Round "?"]
[White "Oren, Itamar"]
[Black "Viberg, Jan"]
[Result "1-0"]
[ECO "B94"]
[WhiteElo "2209"]
[BlackElo "2103"]
[PlyCount "65"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[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 a6 6. Bg5 Nbd7 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. Bxf6 Nxf6 11. e5 dxe5 12. fxe5 Ng4 13. Nd5 Qc5 14. Nb3 Qc6 15. Qa5 b6 16. Nd4 bxa5 17. Nxc6 e6 18. Nc7+ Kd7 19. Nxa8 Kxc6 20. Rb6+ Kc5 21. Rb8 Bd7 22. Be2 Nxe5 23. Nc7 Kd4 24. c3+ Ke3 25. Bxa6 Bc6 26. 0-0 Kd2 27. Kh1 g6 28. Rd8+ Kxc3 29. Bb5 Be4 30. Rc1+ Kb2 31. Re1 Ng4 32. Re2+ Kc3 33. Ba6 1-0

[Event "W-ch WS/M/664 email"]
[Site "ICCF email"]
[Date "2017.10.28"]
[Round "?"]
[White "Popov, Vladimir"]
[Black "Viberg, Jan"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2124"]
[BlackElo "2103"]
[PlyCount "15"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. a4 Ngf6 5. d3 g6 6. a5 a6 7. Bc4 Bg7 8. Bxf7+ 1-0

[Event "W-ch WS/M/664 email"]
[Site "ICCF email"]
[Date "2017.10.28"]
[Round "?"]
[White "Tedesco, Matthew"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "C52"]
[WhiteElo "2255"]
[BlackElo "2103"]
[PlyCount "46"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Nf3 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. dxe5 Bb6 9. a4 Na5 10. Qa2 Nxc4 11. Qxc4 Ne7 12. a5 Bc5 13. exd6 cxd6 14. 0-0 0-0 15. Nbd2 Qc7 16. Qd3 Be6 17. Nd4 Ng6 18. Nxe6 fxe6 19. Nf3 Nf4 20. Bxf4 Rxf4 21. g3 Rf6 22. e5 dxe5 23. Ng5 g6 1/2-1/2

[Event "W-ch WS/M/664 email"]
[Site "ICCF email"]
[Date "2017.10.28"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Bontems, Cyrille"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2103"]
[BlackElo "2130"]
[PlyCount "47"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. a4 a6 8. Na3 Bg4 9. f3 Be6 10. Bc4 Rc8 11. 0-0 Nb4 12. Nd5 Nbxd5 13. exd5 Bd7 14. Bb3 Be7 15. Be3 Qc7 16. Nc4 Nxd5 17. Qxd5 Be6 18. Nxd6+ Bxd6 19. Qe4 Bxb3 20. cxb3 0-0 21. Rac1 Qe7 22. Qd5 g6 23. Bb6 Rxc1 24. Rxc1 1/2-1/2

[Event "W-ch WS/M/664 email"]
[Site "ICCF email"]
[Date "2017.10.28"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Dreisch, Juergen"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "2103"]
[BlackElo "2121"]
[PlyCount "72"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. a3 g6 5. Nf3 Bg7 6. d5 Ne7 7. Bc4 0-0 8. 0-0 exd5 9. exd5 h6 10. Re1 d6 11. Nd4 Nd7 12. Bf4 a6 13. Qd2 Kh7 14. Rad1 Nf6 15. Nde2 b5 16. Bb3 a5 17. Nxb5 a4 18. Ba2 Nexd5 19. Nbc3 Nxf4 20. Nxf4 Ng4 21. Nfd5 Ne5 22. Nb4 Bf3 23. Rb1 Qh4 24. h3 h5 25. Ncd5 Bh6 26. Qc3 Qg5 27. Ne3 c6 28. Nd3 Rae8 29. Nxe5 Rxe5 30. g3 Bg7 31. h4 Qd8 32. Nf1 Rxe1 33. Qxe1 Re8 34. Qb4 d5 35. Qxa4 Qd7 36. Qb3 Qf5 0-1

[Event "W-ch WS/M/664 email"]
[Site "ICCF email"]
[Date "2017.10.28"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Mcdermott, Frank J"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2103"]
[BlackElo "2187"]
[PlyCount "86"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. a4 a6 8. Na3 Bg4 9. f3 Be6 10. Bc4 Nb4 11. 0-0 d5 12. exd5 Nbxd5 13. Nxd5 Nxd5 14. Kh1 Be7 15. Qe2 Qc7 16. Re1 Rd8 17. Bd2 0-0 18. Bb3 f6 19. Nc4 Nb4 20. Red1 Rfe8 21. Rac1 Bf8 22. Be3 Rxd1+ 23. Rxd1 Rc8 24. Bb6 Qf7 25. Na5 Bxb3 26. cxb3 Nd5 27. Bg1 Nf4 28. Qe4 b5 29. g3 Ne6 30. axb5 axb5 31. h4 g5 32. Be3 gxh4 33. gxh4 Rc7 34. b4 Qh5 35. Rg1+ Kh8 36. Rg2 Bh6 37. Rg4 Bg7 38. Qa8+ Nf8 39. Bc5 Rf7 40. Kg2 f5 41. Rg3 e4 42. Rh3 Qg6+ 43. Rg3 Qf6 0-1

[Event "W-ch WS/M/664 email"]
[Site "ICCF email"]
[Date "2017.10.28"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Ott, Peter"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2103"]
[BlackElo "2110"]
[PlyCount "58"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. Nf3 e4 4. Ng5 f5 5. Nc3 Be7 6. Nh3 c6 7. g3 Nf6 8. Bg2 0-0 9. 0-0 Kh8 10. d5 Na6 11. Nf4 Ng4 12. Rb1 Bf6 13. Nh5 Be5 14. h3 Bxc3 15. bxc3 Ne5 16. dxc6 bxc6 17. f4 Nf7 18. Be3 Nc5 19. Qd2 Rg8 20. Rb4 Qe7 21. Kh2 Nd7 22. Rbb1 c5 23. g4 fxg4 24. Qd5 Ba6 25. hxg4 g6 26. Bd4+ cxd4 27. Qxd4+ Nde5 28. Ng3 Qh4+ 29. Bh3 Rg7 0-1

[Event "W-ch WS/M/664 email"]
[Site "ICCF email"]
[Date "2017.10.28"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Solar, Jan"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2103"]
[BlackElo "2269"]
[PlyCount "31"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 Nbd7 7. Rc1 c6 8. a3 Be7 9. e3 0-0 10. Bd3 Ne4 11. Bxe7 Qxe7 12. 0-0 Nb6 13. h3 Bf5 14. Qc2 g6 15. Ne2 Nd6 16. Bxf5 1/2-1/2

[Event "Vasteras op"]
[Site "Vasteras"]
[Date "2017.09.29"]
[Round "1"]
[White "Viberg, Jan"]
[Black "Hauge, Lars Oskar"]
[Result "0-1"]
[ECO "E66"]
[WhiteElo "1945"]
[BlackElo "2433"]
[PlyCount "58"]
[EventDate "2017.09.29"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 g6 4. 0-0 Bg7 5. c4 0-0 6. Nc3 Nc6 7. d4 d6 8. d5 Na5 9. Nd2 a6 10. Qc2 b5 11. cxb5 axb5 12. Nxb5 Ba6 13. Nc3 Nd7 14. Re1 Qb6 15. b3 Rfc8 16. Bb2 c4 17. Na4 Qb4 18. Bxg7 Kxg7 19. a3 Qb5 20. Nc3 cxb3 21. Qb2 Qb7 22. Rab1 Kg8 23. Nxb3 Rab8 24. Nxa5 Qxb2 25. Rxb2 Rxb2 26. Nc6 Kf8 27. e3 Rb3 28. Nb1 Nb6 29. Nb4 Bb5 0-1

[Event "W-ch WS/M/645 email"]
[Site "ICCF email"]
[Date "2017.06.25"]
[Round "?"]
[White "Mulde, Ralf"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "2185"]
[BlackElo "2101"]
[PlyCount "35"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Qf6 6. d4 exd4 7. Bg5 Qd6 8. Qxd4 f6 9. Be3 Bg4 10. Qxd6 Bxd6 11. Nbd2 Ne7 12. Nc4 0-0-0 13. Nfd2 Be6 14. f4 Rhe8 15. Nxd6+ Rxd6 16. Nf3 b6 17. b4 Bf7 18. Rfe1 1/2-1/2

[Event "W-ch WS/M/645 email"]
[Site "ICCF email"]
[Date "2017.06.25"]
[Round "?"]
[White "Raijmaekers, Cees H W"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "2205"]
[BlackElo "2101"]
[PlyCount "42"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 Bf5 5. 0-0 e6 6. Nbd2 h6 7. b3 Nbd7 8. Bb2 Be7 9. c4 0-0 10. Re1 Qa5 11. e3 Ne4 12. a3 Rad8 13. Rc1 a6 14. b4 Qc7 15. Nb3 Rfe8 16. Qe2 Bf6 17. Nfd2 Nxd2 18. Nxd2 Nb6 19. h4 e5 20. dxe5 Bxe5 21. Bxe5 Qxe5 1/2-1/2

[Event "W-ch WS/M/645 email"]
[Site "ICCF email"]
[Date "2017.06.25"]
[Round "?"]
[White "Rogers, Michael"]
[Black "Viberg, Jan"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2158"]
[BlackElo "2101"]
[PlyCount "57"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. Nf3 Bg4 6. c3 e6 7. Be3 Nge7 8. Nbd2 Nf5 9. Bd4 Qc7 10. h3 Bh5 11. Bb5 Be7 12. 0-0 0-0 13. Bxc6 bxc6 14. g4 Nxd4 15. Nxd4 Bg6 16. b4 a5 17. f4 axb4 18. cxb4 Ra3 19. Rf3 Ra6 20. a4 Qd7 21. Rc1 Rfa8 22. a5 Rb8 23. Qf1 Raa8 24. Rb3 Bd8 25. f5 exf5 26. gxf5 Bh5 27. f6 Bg6 28. Re1 Qe8 29. N2f3 1-0

[Event "W-ch WS/M/645 email"]
[Site "ICCF email"]
[Date "2017.06.25"]
[Round "?"]
[White "Schneider, Hans"]
[Black "Viberg, Jan"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2225"]
[BlackElo "2101"]
[PlyCount "73"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 e6 7. N1e2 Nf6 8. 0-0 Nbd7 9. Nf4 Nd5 10. Nxg6 hxg6 11. Re1 N7f6 12. h3 Bd6 13. Qf3 Qc7 14. c3 Nb6 15. Bf1 0-0-0 16. b4 Nh5 17. Ne4 Bh2+ 18. Kh1 Bf4 19. g3 Bxc1 20. Raxc1 Rd5 21. c4 Rf5 22. Qe3 Nf6 23. Nxf6 gxf6 24. Kg1 Kb8 25. a4 Nd7 26. a5 Rfh5 27. a6 e5 28. axb7 exd4 29. Qxd4 Ne5 30. Qe3 g5 31. Ra1 Qxb7 32. b5 Rxh3 33. Bxh3 Rxh3 34. Red1 g4 35. Rd8+ Kc7 36. Re8 Nf3+ 37. Kf1 1-0

[Event "W-ch WS/M/645 email"]
[Site "ICCF email"]
[Date "2017.06.25"]
[Round "?"]
[White "Shabaev, Vladimir Nikolaevic"]
[Black "Viberg, Jan"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2123"]
[BlackElo "2101"]
[PlyCount "81"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d6 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. d5 Nb8 13. Nf1 Nbd7 14. Ng3 Nc5 15. Bc2 c6 16. b4 Ncd7 17. dxc6 Bxc6 18. Bb3 h6 19. Nh4 Nb6 20. Ng6 d5 21. Nxf8 Kxf8 22. Be3 Nc4 23. exd5 Bxd5 24. Bc5+ Kg8 25. Qc2 Qc8 26. Rad1 Qc6 27. Bxc4 bxc4 28. f3 Rad8 29. a4 Nd7 30. Bf2 Nf8 31. Nf5 Ng6 32. Bg3 Qf6 33. Ne3 Be6 34. Rxd8 Rxd8 35. Rd1 Rxd1+ 36. Qxd1 Qe7 37. Qe2 Qa7 38. Kh2 Qc7 39. Nf1 f5 40. b5 axb5 41. axb5 1/2-1/2

[Event "W-ch WS/M/645 email"]
[Site "ICCF email"]
[Date "2017.06.25"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Arnold, G Robert"]
[Result "1/2-1/2"]
[ECO "A95"]
[WhiteElo "2101"]
[BlackElo "2216"]
[PlyCount "39"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 f5 2. Nc3 Nf6 3. Nf3 e6 4. g3 Be7 5. Bg2 0-0 6. 0-0 d5 7. d4 c6 8. Bf4 dxc4 9. Ne5 Nd5 10. Nxc4 Nxf4 11. gxf4 Rf6 12. e3 Nd7 13. Kh1 Rh6 14. Rg1 Rb8 15. a4 Nf8 16. Bf3 Ng6 17. Rg3 Bd7 18. Kg1 Qc7 19. a5 Bh4 20. Rg2 1/2-1/2

[Event "W-ch WS/M/645 email"]
[Site "ICCF email"]
[Date "2017.06.25"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Goreczny, Grzegorz"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2101"]
[BlackElo "2169"]
[PlyCount "69"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 d6 5. d4 cxd4 6. cxd4 Nc6 7. Bc4 Nb6 8. Bb5 dxe5 9. Nxe5 Bd7 10. Nxd7 Qxd7 11. Nc3 e6 12. 0-0 a6 13. Bxc6 Qxc6 14. Re1 Bb4 15. Qg4 Kf8 16. Qe2 h5 17. Bd2 Bxc3 18. Rec1 Qb5 19. Qxb5 axb5 20. Rxc3 Nd5 21. Rc5 Ke7 22. Rxb5 b6 23. Kf1 Ra4 24. Be3 Kd7 25. a3 Rc4 26. Ke2 Kc6 27. Rb3 Kb7 28. Kd3 Rhc8 29. Bd2 Ka7 30. g3 Ka6 31. a4 R8c6 32. h3 Rc8 33. f3 g6 34. Bc3 h4 35. gxh4 1/2-1/2

[Event "W-ch WS/M/645 email"]
[Site "ICCF email"]
[Date "2017.06.25"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Owens, Johnny"]
[Result "1/2-1/2"]
[ECO "A32"]
[WhiteElo "2101"]
[BlackElo "2173"]
[PlyCount "40"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 d5 6. Bf4 Nbd7 7. Qa4 Bc5 8. Nb3 0-0 9. Nxc5 Nxc5 10. Qa3 b6 11. cxd5 Nxd5 12. Nxd5 exd5 13. e3 Bb7 14. Rd1 d4 15. Bc4 Qf6 16. 0-0 dxe3 17. Bxe3 Bxg2 18. Kxg2 Qg6+ 19. Kh3 Qh5+ 20. Kg3 Ne4+ 1/2-1/2

[Event "W-ch WS/M/645 email"]
[Site "ICCF email"]
[Date "2017.06.25"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Palladino, Mario"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2101"]
[BlackElo "2257"]
[PlyCount "90"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. dxe5 Nc5 6. Be2 Be7 7. 0-0 0-0 8. Be3 c6 9. c4 dxc4 10. Bxc4 Nbd7 11. b4 Ne6 12. Qb3 Nb6 13. Rd1 Qe8 14. Nbd2 Nc7 15. Bd3 Be6 16. Qc2 h6 17. a3 Ncd5 18. Bd4 Nf4 19. Bf1 Qc8 20. h3 Bf5 21. Qb3 Qc7 22. Rac1 Rfd8 23. Nc4 Be6 24. Qe3 Nxc4 25. Bxc4 Bxc4 26. Rxc4 Ne6 27. Rcc1 c5 28. bxc5 Rd5 29. Rd2 Rad8 30. Qe4 Bg5 31. Nxg5 hxg5 32. Rcd1 Qc6 33. Qe3 Qa4 34. Bc3 Rxd2 35. Rxd2 Qxa3 36. Rxd8+ Nxd8 37. c6 bxc6 38. Qxg5 Ne6 39. Qd2 c5 40. f3 Qb3 41. Kf2 Qc4 42. Qe3 Qh4+ 43. Kg1 g5 44. Qd2 Kg7 45. Qc2 Qf4 1/2-1/2

[Event "W-ch WS/M/645 email"]
[Site "ICCF email"]
[Date "2017.06.25"]
[Round "?"]
[White "Viberg, Jan"]
[Black "Tocklin, Tomi"]
[Result "0-1"]
[ECO "D41"]
[WhiteElo "2101"]
[BlackElo "2277"]
[PlyCount "108"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Nc3 Nxd5 6. Nf3 e6 7. Bc4 Nxc3 8. bxc3 Qc7 9. Qe2 Bd6 10. 0-0 0-0 11. d4 Nd7 12. a4 b6 13. Ba3 Bxa3 14. Rxa3 Bb7 15. Ba6 Bxa6 16. Qxa6 Nb8 17. Qd3 Nc6 18. Re1 h6 19. h3 Rfd8 20. g3 Rac8 21. Qe4 Qd6 22. Rea1 Rc7 23. Nd2 Na5 24. Kg2 Rdc8 25. Qf3 Rc6 26. g4 Qd7 27. Ne4 Nc4 28. R3a2 Nd6 29. Nxd6 Qxd6 30. Ra3 a5 31. Rb3 Qc7 32. Raa3 Rc4 33. Qe3 Rb8 34. Qe4 Qd6 35. f3 Rbc8 36. Qe5 Qxe5 37. dxe5 R8c6 38. Rb5 g5 39. Kg3 Rxc3 40. Rxc3 Rxc3 41. Rxb6 Rc4 42. Ra6 Rxa4 43. Ra8+ Kg7 44. Ra7 Ra1 45. h4 a4 46. h5 a3 47. Ra8 a2 48. Kg2 f5 49. Ra7+ Kf8 50. gxf5 exf5 51. e6 f4 52. Kh2 g4 53. fxg4 f3 54. Rf7+ Ke8 0-1

[Event "Stockholm Scandic Ariadne"]
[Site "Stockholm"]
[Date "2016.11.04"]
[Round "1"]
[White "Westerberg, Jonathan"]
[Black "Viberg, Jan"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2489"]
[BlackElo "1943"]
[PlyCount "31"]
[EventDate "2016.11.04"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e5 4. 0-0 Bd6 5. c3 Nge7 6. d4 0-0 7. dxe5 Bxe5 8. Nxe5 Nxe5 9. Qd6 N7g6 10. f4 Ng4 11. f5 N6e5 12. h3 Qf6 13. Qxc5 a6 14. hxg4 axb5 15. g5 b6 16. Qxf8+ 1-0

[Event "Umea Bjorkstad op"]
[Site "Umea"]
[Date "2015.10.30"]
[Round "4"]
[White "Fritz, Anton"]
[Black "Viberg, Jan"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2127"]
[BlackElo "1992"]
[PlyCount "91"]
[EventDate "2015.10.30"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 a5 5. Bg2 0-0 6. Nc3 Nc6 7. Nf3 d6 8. Qc2 e5 9. d5 Nb8 10. 0-0 Bg4 11. h3 Bh5 12. Nh4 Nbd7 13. g4 Bg6 14. Nxg6 hxg6 15. Bg5 Bxc3 16. Qxc3 Qc8 17. a3 Nh7 18. Bd2 f5 19. g5 f4 20. h4 Nc5 21. b4 axb4 22. axb4 Rxa1 23. Rxa1 Na6 24. Bh3 Qd8 25. Be6+ Kh8 26. Qd3 Qe8 27. Kg2 c5 28. Rh1 Nc7 29. bxc5 dxc5 30. Qh3 Nxe6 31. Qxe6 Qxe6 32. dxe6 Re8 33. Rb1 Nf8 34. Bc3 e4 35. Rxb7 Nxe6 36. Rd7 Kg8 37. Kh3 Kf8 38. Kg4 Kg8 39. Rd5 Kf8 40. Re5 Nd4 41. Bxd4 cxd4 42. Rxe8+ Kxe8 43. Kxf4 d3 44. exd3 exd3 45. Ke3 d2 46. Kxd2 1-0

[Event "AUS-SWE email"]
[Site "ICCF email"]
[Date "2014.06.01"]
[Round "?.13"]
[White "Mulder, John"]
[Black "Viberg, Jan"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2149"]
[BlackElo "2150"]
[PlyCount "47"]
[EventDate "2014.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[EventCountry "AUS"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]
[WhiteTeam "Australia"]
[BlackTeam "Sweden"]
[WhiteTeamCountry "AUS"]
[BlackTeamCountry "SWE"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. Nf3 b5 6. Bd3 Nd7 7. Be3 Bb7 8. e5 Nh6 9. Qe2 Nb6 10. a4 b4 11. Ne4 0-0 12. 0-0 a5 13. c3 Nf5 14. Bd2 bxc3 15. bxc3 Qd7 16. g4 Nh6 17. f5 Nxg4 18. Nh4 Nxe5 19. dxe5 Bxe5 20. Bh6 Nxa4 21. Qg2 Nxc3 22. fxg6 Nxe4 23. Bxe4 Bxe4 24. gxf7+ 1-0

[Event "AUS-SWE email"]
[Site "ICCF email"]
[Date "2014.06.01"]
[Round "?.13"]
[White "Viberg, Jan"]
[Black "Mulder, John"]
[Result "0-1"]
[ECO "B89"]
[WhiteElo "2150"]
[BlackElo "2149"]
[PlyCount "102"]
[EventDate "2014.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[EventCountry "AUS"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]
[WhiteTeam "Sweden"]
[BlackTeam "Australia"]
[WhiteTeamCountry "SWE"]
[BlackTeamCountry "AUS"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. Bb3 Na5 10. g4 Nxb3 11. axb3 d5 12. 0-0-0 0-0 13. Kb1 Qc7 14. exd5 Nxd5 15. Nxd5 exd5 16. Nf5 Bxf5 17. gxf5 Rad8 18. Bd4 Bc5 19. Be5 Qc6 20. f6 Rfe8 21. Qh5 g6 22. Rhg1 d4 23. Rd3 Kh8 24. Qg5 Qe4 25. f4 Rd5 26. Rgd1 Red8 27. h4 Bf8 28. Qg3 h5 29. Re1 Qf5 30. Qg2 Kh7 31. Rg1 Bh6 32. Qf3 a5 33. Re1 Bf8 34. Red1 b5 35. Rg1 Bh6 36. Re1 Qe6 37. Qe4 b4 38. Qh1 Qf5 39. Re4 Kg8 40. Qg2 Kh7 41. Ka2 Qg4 42. Qf2 Qe6 43. Rdxd4 a4 44. Rxb4 axb3+ 45. cxb3 Rd1 46. Qe2 Rc1 47. Rbd4 Ra8+ 48. Ra4 Qd5 49. Ra3 Bf8 50. f5 Rxa3+ 51. bxa3 Qc5 0-1

[Event "W-ch WS/M/472 email"]
[Site "ICCF email"]
[Date "2014.02.23"]
[Round "?"]
[White "Anreiter, Alois"]
[Black "Viberg, Jan"]
[Result "1-0"]
[ECO "E39"]
[WhiteElo "2233"]
[BlackElo "2150"]
[PlyCount "89"]
[EventDate "2014.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2015"]
[Source "ChessBase"]
[SourceDate "2015.07.17"]
[SourceVersion "1"]
[SourceVersionDate "2015.07.17"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. Nf3 c5 6. dxc5 Na6 7. g3 Nxc5 8. Bg2 Nce4 9. 0-0 Nxc3 10. bxc3 Bc5 11. e4 d6 12. e5 dxe5 13. Nxe5 Qc7 14. Qe2 Bd6 15. Bf4 Ne8 16. Rfd1 f6 17. Nd3 Qxc4 18. Qb2 Bxf4 19. Nxf4 Qc7 20. Rab1 g5 21. Ne2 Nd6 22. c4 Qc5 23. Nc3 Nxc4 24. Qe2 Nd6 25. Rbc1 Qa3 26. h4 gxh4 27. Qg4+ Kh8 28. Nb1 Qb2 29. Qxh4 Qb6 30. Nc3 Nf5 31. Qh5 Ng7 32. Qh6 Qa5 33. Ne4 Qh5 34. Qe3 Nf5 35. Qa3 Qe8 36. g4 Nh6 37. g5 Ng8 38. Rc7 e5 39. g6 Qxg6 40. Qxf8 Bh3 41. Qg7+ Qxg7 42. Rxg7 Kxg7 43. Bxh3 Kg6 44. Rd3 h5 45. Rg3+ 1-0

[Event "W-ch WS/M/472 email"]
[Site "ICCF email"]
[Date "2014.02.23"]
[Round "?"]
[White "Hausdorf, Heinz"]
[Black "Viberg, Jan"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2219"]
[BlackElo "2150"]
[PlyCount "81"]
[EventDate "2014.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2015"]
[Source "ChessBase"]
[SourceDate "2015.07.17"]
[SourceVersion "1"]
[SourceVersionDate "2015.07.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d6 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 c5 12. Bc2 Re8 13. d5 c4 14. a4 Rb8 15. axb5 axb5 16. b3 Qc7 17. bxc4 bxc4 18. Ba3 Bb7 19. Bb4 Ra8 20. Qe2 Nb6 21. Nf1 Ra6 22. Rxa6 Bxa6 23. Ra1 Ra8 24. Ra5 Bb7 25. Rxa8+ Bxa8 26. Ne3 Bb7 27. Qd1 g6 28. Qa1 Kg7 29. Qa5 Bd8 30. Qa3 Ne8 31. Ba4 Nxa4 32. Qxa4 Nf6 33. Nd2 Be7 34. Qb5 Qc8 35. Nexc4 Ba6 36. Qc6 Qxc6 37. dxc6 Nxe4 38. Nxe4 Bxc4 39. Nd2 Ba6 40. c7 Kf8 41. Nc4 1-0

[Event "W-ch WS/M/472 email"]
[Site "ICCF email"]
[Date "2014.02.23"]
[Round "?"]
[White "Kuhne, Detlev"]
[Black "Viberg, Jan"]
[Result "1-0"]
[ECO "C97"]
[WhiteElo "2343"]
[BlackElo "2150"]
[PlyCount "71"]
[EventDate "2014.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2015"]
[Source "ChessBase"]
[SourceDate "2015.07.17"]
[SourceVersion "1"]
[SourceVersionDate "2015.07.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. d5 Bd7 13. b3 Rab8 14. Be3 g6 15. Nbd2 Nh5 16. g4 Ng7 17. Bh6 Nb7 18. Qe2 Nd8 19. Nf1 f6 20. Bd2 Nf7 21. Ne3 a5 22. c4 Ng5 23. Nxg5 fxg5 24. cxb5 Rxb5 25. Nc4 Ra8 26. Bd3 Rbb8 27. Rab1 Ne8 28. a3 Nf6 29. Rec1 h5 30. f3 Be8 31. b4 axb4 32. axb4 Kg7 33. Qe3 Nd7 34. Na5 Nf6 35. Kg2 Qd8 36. bxc5 1-0

