[Event "Muerren op U20"]
[Site "Muerren"]
[Date "1979.10.09"]
[Round "9"]
[White "Erismann, Peter"]
[Black "Probst, Daniel"]
[Result "1/2-1/2"]
[ECO "B43"]
[PlyCount "26"]
[EventDate "1979.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 a6 7. Bg2 b5 8. 0-0 Bb7 9. Re1 d6 10. a4 b4 11. Nce2 Nge7 12. Be3 Nxd4 13. Nxd4 Nc6 1/2-1/2

[Event "Muerren op U20"]
[Site "Muerren"]
[Date "1979.10.08"]
[Round "8"]
[White "Probst, Daniel"]
[Black "Gugelmann, Rene"]
[Result "1/2-1/2"]
[ECO "B31"]
[PlyCount "43"]
[EventDate "1979.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Re1 0-0 7. d4 cxd4 8. cxd4 d5 9. e5 Ne4 10. Ng5 Nxg5 11. Bxg5 Bf5 12. Bxc6 bxc6 13. Nc3 Re8 14. Na4 Qa5 15. Rc1 Rab8 16. b3 Rbc8 17. Rc5 Qa6 18. Qd2 f6 19. exf6 exf6 20. Rxe8+ Rxe8 21. Be3 Bf8 22. Rc1 1/2-1/2

[Event "Muerren op U20"]
[Site "Muerren"]
[Date "1979.10.07"]
[Round "7"]
[White "Probst, Daniel"]
[Black "Pirttimaki, Timo"]
[Result "1-0"]
[ECO "A58"]
[PlyCount "59"]
[EventDate "1979.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. g3 Bg7 8. Nh3 0-0 9. Nf4 d6 10. h4 h5 11. Bh3 Nbd7 12. 0-0 Qb6 13. Qc2 Rfb8 14. Rb1 Ne5 15. b3 Ra7 16. Bb2 Qb4 17. Rfc1 Bh6 18. a3 Qa5 19. Ne4 Rab7 20. Nxc5 Rc7 21. b4 Qb5 22. Bxe5 dxe5 23. Be6 e4 24. Bxf7+ Kxf7 25. Qa2 Ra7 26. d6+ Kg7 27. Nce6+ Kh7 28. Nc7 Qd7 29. Qf7+ Bg7 30. Nce6 1-0

[Event "Muerren op U20"]
[Site "Muerren"]
[Date "1979.10.06"]
[Round "6"]
[White "Schmid, Rudolf"]
[Black "Probst, Daniel"]
[Result "1/2-1/2"]
[ECO "B25"]
[PlyCount "73"]
[EventDate "1979.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 d6 4. Bg2 g6 5. d3 Bg7 6. f4 Ne7 7. Nf3 0-0 8. 0-0 Nbc6 9. Bd2 Rb8 10. Rb1 b5 11. a3 a5 12. g4 b4 13. axb4 axb4 14. Ne2 f5 15. h3 Qd7 16. Ng3 Ba6 17. Re1 Nd4 18. exf5 exf5 19. g5 Kh8 20. h4 b3 21. Nxd4 Bxd4+ 22. Kh2 bxc2 23. Qxc2 h5 24. Bc3 Bg7 25. Nxh5 gxh5 26. Qe2 Bxc3 27. Qxh5+ Kg7 28. Qh6+ Kf7 29. Qh5+ Kg7 30. Qh6+ Kf7 31. bxc3 Rxb1 32. Rxb1 Qd8 33. Re1 Bc8 34. Qh5+ Kg7 35. Qh6+ Kf7 36. Qh5+ Kg7 37. Qh6+ 1/2-1/2

[Event "Muerren op U20"]
[Site "Muerren"]
[Date "1979.10.05"]
[Round "5"]
[White "Bloecker, Detlef"]
[Black "Probst, Daniel"]
[Result "1/2-1/2"]
[ECO "E70"]
[PlyCount "79"]
[EventDate "1979.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 g6 2. d4 Nf6 3. Nc3 Bg7 4. e4 d6 5. Nge2 0-0 6. Ng3 e5 7. d5 Ne8 8. Qc2 c6 9. Be2 a5 10. h4 Na6 11. a3 Nc5 12. Be3 Bd7 13. 0-0-0 cxd5 14. exd5 b6 15. h5 f5 16. hxg6 hxg6 17. f4 a4 18. Kb1 Nb3 19. Bd3 Rc8 20. fxe5 dxe5 21. Bf2 Nd6 22. Na2 e4 23. Be2 Qf6 24. Be1 Nb5 25. Bc3 Nxc3+ 26. Nxc3 Qd6 27. Nf1 b5 28. cxb5 f4 29. Nd2 Nxd2+ 30. Rxd2 e3 31. Rdd1 Bf5 32. Bd3 Bxc3 33. bxc3 Qxa3 34. Bxf5 gxf5 35. Rh5 Rf6 36. Rdh1 Rxc3 37. Rh8+ Kg7 38. R1h7+ Kg6 39. Rh6+ Kg5 40. Rh5+ 1/2-1/2

[Event "Muerren op U20"]
[Site "Muerren"]
[Date "1979.10.04"]
[Round "4"]
[White "Probst, Daniel"]
[Black "Buecker, Peter"]
[Result "0-1"]
[ECO "D44"]
[PlyCount "76"]
[EventDate "1979.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. exf6 Bb7 12. g3 Qb6 13. Bg2 0-0-0 14. 0-0 c5 15. d5 b4 16. dxe6 Bxg2 17. Kxg2 Qxe6 18. h4 bxc3 19. bxc3 Qc6+ 20. Qf3 Qxf3+ 21. Kxf3 Bd6 22. Kg4 Be5 23. Rae1 Bxf6 24. Kf5 Bxg5 25. hxg5 f6 26. Rh1 Rxh1 27. Rxh1 fxg5 28. Kxg5 Rf8 29. Rf1 Rf3 30. g4 Ne5 31. Re1 Nd3 32. Re7 Nxf2 33. Rxa7 Ne4+ 34. Kg6 Rxc3 35. Kf5 Nd6+ 36. Ke5 Rd3 37. Ra5 Kb7 38. g5 Kb6 0-1

[Event "Muerren op U20"]
[Site "Muerren"]
[Date "1979.10.03"]
[Round "3"]
[White "Probst, Daniel"]
[Black "Reust, Josef"]
[Result "1-0"]
[ECO "A42"]
[PlyCount "63"]
[EventDate "1979.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nd7 5. Be2 c6 6. Nf3 Qc7 7. 0-0 e5 8. Re1 Ne7 9. Rb1 0-0 10. b4 f5 11. c5 exd4 12. Nxd4 Ne5 13. Bb2 dxc5 14. bxc5 Ng4 15. Bxg4 fxg4 16. Qb3+ Rf7 17. Nce2 Be5 18. f4 gxf3 19. Nxf3 Bxb2 20. Ng5 Nd5 21. exd5 Bf6 22. d6 Qd7 23. Nxf7 Qxf7 24. Rf1 Qxb3 25. Rxb3 Bg5 26. Nd4 a5 27. Re1 a4 28. Rbb1 Kf7 29. d7 Bf6 30. Rf1 Bxd7 31. Rxb7 Rd8 32. Nxc6 1-0

[Event "Muerren op U20"]
[Site "Muerren"]
[Date "1979.10.02"]
[Round "2"]
[White "Sterkman, Christoph"]
[Black "Probst, Daniel"]
[Result "1-0"]
[ECO "E80"]
[PlyCount "85"]
[EventDate "1979.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 c6 6. Be3 a6 7. c5 b5 8. cxd6 exd6 9. Bd3 0-0 10. Nge2 Nbd7 11. 0-0 Nb6 12. b3 Nfd7 13. a4 bxa4 14. bxa4 a5 15. Rc1 Nb8 16. Qb3 d5 17. exd5 cxd5 18. Bf4 Nc6 19. Nb5 Nb4 20. Bd6 Nxd3 21. Qxd3 Bf5 22. Qb3 Re8 23. Bc7 Qg5 24. Rce1 Nc4 25. Bf4 Qh4 26. g3 Qe7 27. Nc7 Rab8 28. Qc3 Qxe2 29. Nxe8 Rxe8 30. Rxe2 Rxe2 31. Rf2 Re8 32. g4 Bd7 33. Ra2 h6 34. Kg2 g5 35. Be5 Bxe5 36. dxe5 Rxe5 37. Qd4 Be6 38. Kf2 Re3 39. Ra1 Rb3 40. Ra2 Rb4 41. Qf6 Kh7 42. Kg3 Nd6 43. Qd8 1-0

[Event "Muerren op U20"]
[Site "Muerren"]
[Date "1979.10.01"]
[Round "1"]
[White "Probst, Daniel"]
[Black "Ekstroem, Roland"]
[Result "0-1"]
[ECO "B32"]
[BlackElo "2385"]
[PlyCount "48"]
[EventDate "1979.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qd1 Qg6 9. Nc3 Nge7 10. h4 h5 11. Rh3 Qg4 12. Qd3 d5 13. Rg3 Nb4 14. Qd2 Qxh4 15. Rxg7 dxe4 16. Qd6 Nxc2+ 17. Kd1 Qxf2 18. Bg5 Bg4+ 19. Kc1 Qxf1+ 20. Kxc2 Qd3+ 21. Qxd3 exd3+ 22. Kxd3 Nf5 23. Bf6 Nxg7 24. Bxg7 0-0-0+ 0-1

