[Event "Olympiad-22"]
[Site "Haifa"]
[Date "1976.11.09"]
[Round "13.4"]
[White "Letzelter, Jean Claude"]
[Black "Ott, Roland"]
[Result "0-1"]
[ECO "C49"]
[WhiteElo "2240"]
[BlackElo "2225"]
[PlyCount "102"]
[EventDate "1976.10.25"]
[EventType "team-swiss"]
[EventRounds "13"]
[EventCountry "ISR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "France"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "FRA"]
[BlackTeamCountry "SUI"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. 0-0 0-0 6. d3 d6 7. Bg5 Be6 8. d4 exd4 9. Nd5 Bxd5 10. exd5 Ne5 11. Nxd4 h6 12. Bh4 Ng6 13. Bg3 Ne4 14. Qg4 Nxg3 15. Qxg3 Qf6 16. c3 Bc5 17. Rad1 a6 18. Ba4 Nf4 19. Qf3 b5 20. Bc2 Rae8 21. Nf5 Qe5 22. Bb1 Ng6 23. Rd2 Kh8 24. g3 Qf6 25. Re2 Ne5 26. Qf4 Qg5 27. Qxg5 hxg5 28. Kg2 g6 29. Nd4 Bxd4 30. Rfe1 Bxf2 31. Rxf2 Kg7 32. Rfe2 Rb8 33. Re4 f5 34. Rd4 Rfe8 35. h3 g4 36. hxg4 Nxg4 37. Rxe8 Rxe8 38. Bd3 Rh8 39. Kg1 Rh3 40. a4 Rxg3+ 41. Kf1 Rf3+ 42. Ke1 Ne5 43. Be2 Rh3 44. axb5 axb5 45. Rb4 Rh1+ 46. Kf2 Rh2+ 47. Ke1 Kf6 48. Rxb5 f4 49. Rb7 f3 50. Bf1 g5 51. b4 g4 0-1

[Event "Olympiad-22"]
[Site "Haifa"]
[Date "1976.11.07"]
[Round "12.4"]
[White "Ott, Roland"]
[Black "Wockenfuss, Klaus"]
[Result "1/2-1/2"]
[ECO "B46"]
[WhiteElo "2225"]
[PlyCount "56"]
[EventDate "1976.10.25"]
[EventType "team-swiss"]
[EventRounds "13"]
[EventCountry "ISR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Germany"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Nf6 7. Bd3 d5 8. exd5 exd5 9. 0-0 Bd6 10. Nxc6 bxc6 11. Bg5 0-0 12. Qf3 Rb8 13. Bxf6 Qxf6 14. Qxf6 gxf6 15. Rab1 a5 16. Ne2 c5 17. Rfd1 Be6 18. b3 Rfd8 19. Ng3 c4 20. Be2 Bxg3 21. hxg3 a4 22. Rd4 Bf5 23. Rc1 cxb3 24. cxb3 axb3 25. axb3 Rxb3 26. Bc4 Rb2 27. Rxd5 Rxd5 28. Bxd5 Rd2 1/2-1/2

[Event "Olympiad-22"]
[Site "Haifa"]
[Date "1976.11.03"]
[Round "9.4"]
[White "Medina Garcia, Antonio Angel"]
[Black "Ott, Roland"]
[Result "1-0"]
[ECO "C82"]
[BlackElo "2225"]
[PlyCount "81"]
[EventDate "1976.10.25"]
[EventType "team-swiss"]
[EventRounds "13"]
[EventCountry "ISR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Spain"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "SUI"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 0-0 11. Bc2 Nxd2 12. Qxd2 f6 13. Qd3 g6 14. exf6 Qxf6 15. Bg5 Ne5 16. Bxf6 Nxd3 17. Bd4 Bxd4 18. Nxd4 Nf4 19. Rfe1 Rae8 20. b4 Bd7 21. h4 Kf7 22. g3 Nh5 23. Bb3 c6 24. Rxe8 Rxe8 25. a4 Nf6 26. axb5 axb5 27. Ra7 Rc8 28. Bc2 Ke7 29. Nb3 Kd6 30. f3 Re8 31. Kf2 Rf8 32. Ke3 Re8+ 33. Kf2 Rf8 34. Nc5 Rf7 35. Ke3 Re7+ 36. Kd4 Nh5 37. Rxd7+ Rxd7 38. Nxd7 Kxd7 39. g4 Nf6 40. g5 Nh5 41. Ke5 1-0

[Event "Olympiad-22"]
[Site "Haifa"]
[Date "1976.11.02"]
[Round "8.4"]
[White "Ott, Roland"]
[Black "Vajrabhaya, S."]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2225"]
[PlyCount "57"]
[EventDate "1976.10.25"]
[EventType "team-swiss"]
[EventRounds "13"]
[EventCountry "ISR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Thailand"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "THA"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e5 7. Ndb5 a6 8. Na3 Be7 9. Bxf6 Bxf6 10. Nc4 Nd4 11. Nd5 b5 12. Nce3 0-0 13. c3 Nc6 14. Be2 Bg5 15. 0-0 Ne7 16. a4 Bxe3 17. Nxe3 bxa4 18. Qxa4 Bb7 19. Rfd1 Qc7 20. Rd2 Rfd8 21. Rad1 Qc5 22. Nc4 Bxe4 23. Nxd6 Bc6 24. Qa2 Rf8 25. Nxf7 Rxf7 26. Rd8+ Be8 27. Rxa8 Qxf2+ 28. Kh1 g6 29. Rf1 1-0

[Event "Olympiad-22"]
[Site "Haifa"]
[Date "1976.10.31"]
[Round "6.4"]
[White "Ott, Roland"]
[Black "Velasquez Ojeda, Cesar"]
[Result "0-1"]
[ECO "B98"]
[WhiteElo "2225"]
[BlackElo "2340"]
[PlyCount "102"]
[EventDate "1976.10.25"]
[EventType "team-swiss"]
[EventRounds "13"]
[EventCountry "ISR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Chile"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "CHI"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qd3 h6 9. Bh4 Nbd7 10. Be2 Qc7 11. 0-0-0 b5 12. Bf3 Bb7 13. e5 dxe5 14. Bxb7 Qxb7 15. fxe5 Nxe5 16. Qg3 Ng6 17. Bxf6 Bxf6 18. Nxe6 Be5 19. Qg4 Qe7 20. Nd4 0-0 21. Nc6 Qc5 22. Nxe5 Qxe5 23. g3 Rfe8 24. Rhf1 Rac8 25. Qd4 Qg5+ 26. Qd2 Qh5 27. a3 Ne5 28. Rf4 Nc4 29. Qd5 Re5 30. Qd7 Rec5 31. Rd5 Qxh2 32. Qxf7+ Kh8 33. Rxc5 Qg1+ 34. Nd1 Qxc5 35. Qf5 Qc7 36. Rd4 Re8 37. Qd3 Qe7 38. Rd7 Ne5 39. Rxe7 Nxd3+ 40. cxd3 Rxe7 41. Kd2 g5 42. g4 h5 43. gxh5 Rh7 44. d4 Rxh5 45. Ne3 Rh2+ 46. Kc3 Kg8 47. d5 Kf7 48. b4 Ra2 49. Kd4 Rxa3 50. Ng4 Ra1 51. Kc5 Re1 0-1

[Event "Olympiad-22"]
[Site "Haifa"]
[Date "1976.10.28"]
[Round "4.4"]
[White "Kagan, Shimon"]
[Black "Ott, Roland"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2430"]
[BlackElo "2225"]
[PlyCount "104"]
[EventDate "1976.10.25"]
[EventType "team-swiss"]
[EventRounds "13"]
[EventCountry "ISR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "SUI"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 a6 6. Bxc6 dxc6 7. Qe2 Bf5 8. dxe5 Be7 9. Rd1 Qc8 10. b3 0-0 11. Bb2 Re8 12. Nbd2 Nxd2 13. Rxd2 Bg4 14. h3 Bxf3 15. Qxf3 Qe6 16. Rad1 Rad8 17. Qe4 Rxd2 18. Rxd2 Rd8 19. Rxd8+ Bxd8 20. c4 Be7 21. f4 g6 22. Qd3 h5 23. Kf2 Kf8 24. Kf3 Ke8 25. g4 hxg4+ 26. hxg4 Bc5 27. Qd1 Qe7 28. Kg3 Qe6 29. Qd3 Qe7 30. Bc3 b6 31. Qd2 a5 32. f5 gxf5 33. gxf5 Bb4 34. Kg4 Qxe5 35. Bxe5 Bxd2 36. Bxc7 Be3 37. Bd6 Kd7 38. Bf8 Ke8 39. Ba3 Kd7 40. Kf3 Bd4 41. Ke4 Bf2 42. Bf8 Be1 43. Bg7 Bg3 44. Bd4 Bc7 45. a4 c5 46. Bc3 Bh2 47. Kd5 Bg3 48. Bf6 Bh2 49. Ke4 Bb8 50. Kf3 Ke8 51. Kg4 Bd6 52. Kh5 Bh2 1/2-1/2

[Event "WchT Students 21st Group1"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "2.8"]
[White "Al Qazzaz, Rabeea Qasim Mohamm"]
[Black "Ott, Roland"]
[Result "0-1"]
[ECO "A64"]
[BlackElo "2225"]
[PlyCount "54"]
[EventDate "1976.08.09"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Iraq"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "IRQ"]
[BlackTeamCountry "SUI"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. 0-0 0-0 9. Nc3 Re8 10. Nd2 Nbd7 11. e4 a6 12. a4 Ne5 13. Qc2 Nh5 14. h3 g5 15. Nf3 g4 16. Ng5 Bf6 17. hxg4 Bxg4 18. Nh3 Qd7 19. Kh2 Bf3 20. Bxf3 Nxf3+ 21. Kg2 Nh4+ 22. gxh4 Qg4+ 23. Kh2 Be5+ 24. f4 Qg3+ 25. Kh1 Qxh3+ 26. Kg1 Bd4+ 27. Rf2 Ng3 0-1

[Event "WchT Students 21st final A"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "4.8"]
[White "Chellstorp, Craig V"]
[Black "Ott, Roland"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2380"]
[BlackElo "2225"]
[PlyCount "65"]
[EventDate "1976.08.16"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "SUI"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 g6 4. e3 Nf6 5. d4 cxd4 6. exd4 d5 7. cxd5 Nxd5 8. Qb3 Nxc3 9. Bc4 e6 10. bxc3 Bd7 11. Bd3 Be7 12. Bh6 Na5 13. Qc2 Bf8 14. Bg5 Be7 15. Bh6 Bf8 16. Bxf8 Kxf8 17. h4 h5 18. Ne5 Nc6 19. f4 Nxe5 20. fxe5 Kg7 21. Qf2 Rc8 22. 0-0 Qe7 23. Rac1 Rc7 24. Qg3 Be8 25. Bb1 Qa3 26. Qg5 Qe7 27. Rf6 b6 28. Rcf1 Rh6 29. Kh1 Qd7 30. Be4 Qe7 31. c4 Rd7 32. d5 exd5 33. cxd5 1-0

[Event "WchT Students 21st final A"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "2.16"]
[White "Gruenfeld, Yehuda"]
[Black "Ott, Roland"]
[Result "1/2-1/2"]
[ECO "C82"]
[BlackElo "2225"]
[PlyCount "98"]
[EventDate "1976.08.16"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "SUI"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 0-0 11. Bc2 Nxd2 12. Qxd2 f6 13. Qd3 g6 14. Bh6 Re8 15. exf6 Qxf6 16. Rae1 Ne7 17. Bg5 Qf7 18. Ne5 Qg7 19. Qd2 Bd6 20. Nd7 Bxd7 21. Bxe7 Bxe7 22. Qxd5+ Kf8 23. Qxd7 Bd6 24. Qc6 Qf6 25. g3 Be5 26. Qg2 Rad8 27. Re3 Kg7 28. Bb3 Re7 29. Rfe1 Rd2 30. Rf3 Qd6 31. Qh3 Bf6 32. Rxe7+ Qxe7 33. Re3 Qd7 34. Qxd7+ Rxd7 35. Re2 Rd6 36. Kg2 c5 37. Be6 b4 38. cxb4 cxb4 39. Bc4 a5 40. f4 a4 41. Bb5 a3 42. bxa3 bxa3 43. Bc4 g5 44. f5 g4 45. h3 Rd4 46. Rc2 Bg5 47. Be2 Rd2 48. Rxd2 gxh3+ 49. Kxh3 Bxd2 1/2-1/2

[Event "WchT Students 21st final A"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "1.12"]
[White "Ott, Roland"]
[Black "Borkowski, Franciszek"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2225"]
[BlackElo "2350"]
[PlyCount "80"]
[EventDate "1976.08.16"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Poland"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "POL"]

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 Be6 10. Bc4 Be7 11. Bxf6 Bxf6 12. Nd5 Bg5 13. c3 Rc8 14. Nc2 0-0 15. 0-0 g6 16. Nce3 Kh8 17. Kh1 Bh6 18. f4 Bxd5 19. Nxd5 Ne7 20. Bb3 Nxd5 21. Qxd5 exf4 22. Qxb7 a5 23. Rad1 a4 24. Bxa4 Rb8 25. Qd5 Rxb2 26. e5 Qa8 27. Bc6 Qxa2 28. Qxa2 Rxa2 29. exd6 Rd8 30. Bb5 Rc2 31. c4 f3 32. gxf3 Bf4 33. d7 Rxh2+ 34. Kg1 Re2 35. Rfe1 Rxe1+ 36. Rxe1 Kg7 37. Re4 Bc7 38. c5 Rb8 39. Bd3 Rb3 40. Rd4 Rc3 1/2-1/2

[Event "WchT Students 21st Group1"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "3.4"]
[White "Ott, Roland"]
[Black "Brito, Walter"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2225"]
[PlyCount "129"]
[EventDate "1976.08.09"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "ECU"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. c3 g6 6. Bf4 Bg7 7. Nd2 a6 8. Ngf3 Nc6 9. 0-0 0-0 10. h3 b5 11. Ne5 Qb6 12. Re1 Ra7 13. a4 Rb7 14. Nb3 bxa4 15. Nxc6 Qxb3 16. Bxa6 Qxd1 17. Raxd1 Rxb2 18. Nxe7+ Kh8 19. Nxc8 Ne4 20. Rc1 a3 21. f3 Nxc3 22. Be3 a2 23. Ra1 Re8 24. Kf1 Rb1 25. Rxa2 Rxe1+ 26. Kxe1 Nxa2 27. Kd2 Nb4 28. Bb7 Rd8 29. Kc3 Bf8 30. Bh6 Na2+ 31. Kb3 Nc1+ 32. Bxc1 Rd7 33. Ba6 Rc7 34. Bf4 Rd7 35. Be5+ Bg7 36. Bxg7+ Kxg7 37. Kb4 Rc7 38. Nb6 Rc2 39. g3 Rg2 40. g4 Rg3 41. f4 Rxh3 42. g5 f6 43. Nxd5 fxg5 44. fxg5 Rg3 45. Nc7 Kf7 46. Bc4+ Ke7 47. Ne6 Kd6 48. Nd8 Rg1 49. Nf7+ Ke7 50. Kb5 Rg4 51. Kc5 Rg1 52. Kb6 Rg4 53. Kc5 Rg1 54. Kb6 Rg4 55. Ne5 Rxg5 56. Kc7 h5 57. Nc6+ Kf6 58. d5 h4 59. d6 Rh5 60. Bg8 Rh8 61. Ne7 h3 62. d7 h2 63. d8Q h1Q 64. Qd4+ Kg5 65. Qe5+ 1-0

[Event "WchT Students 21st final A"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "7.12"]
[White "Ott, Roland"]
[Black "Dounia, Amado"]
[Result "1/2-1/2"]
[ECO "B53"]
[WhiteElo "2225"]
[PlyCount "19"]
[EventDate "1976.08.16"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Venezuela"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "VEN"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 a6 5. Be3 Nc6 6. Qd2 Nf6 7. Nc3 g6 8. 0-0-0 Qa5 9. Kb1 Bg7 10. Bg5 1/2-1/2

[Event "WchT Students 21st Group1"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "1.4"]
[White "Ott, Roland"]
[Black "Sveshnikov, Evgeny"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2225"]
[BlackElo "2510"]
[PlyCount "57"]
[EventDate "1976.08.09"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Soviet Union"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "URS"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Qe2 g6 5. 0-0 Bg7 6. c3 0-0 7. d4 cxd4 8. cxd4 d5 9. e5 Ne4 10. Nc3 Nxc3 11. bxc3 Na5 12. Bg5 h6 13. Bd2 Bd7 14. Bd3 Rc8 15. Nh4 Nc4 16. e6 Bxe6 17. Bxc4 Rxc4 18. Nxg6 fxg6 19. Qxe6+ Kh7 20. Rfe1 Rc7 21. Re2 Qd7 22. Qxd7 Rxd7 23. Rb1 Rf6 24. h4 Kg8 25. g3 Ra6 26. Bf4 Ra3 27. Rb3 Rxb3 28. axb3 a5 29. Re6 1/2-1/2

[Event "Rilton Cup-04 1974/75"]
[Site "Stockholm"]
[Date "1974.12.31"]
[Round "5"]
[White "Ott, Roland"]
[Black "Taskinen, Heikki"]
[Result "1-0"]
[ECO "C06"]
[PlyCount "57"]
[EventDate "1974.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 Be7 9. 0-0 Nf8 10. Re1 Bd7 11. Be3 Ng6 12. dxc5 Bxc5 13. Bxc5 Qxc5 14. Ned4 a6 15. g3 Qb6 16. Qe2 Nce7 17. h4 0-0 18. h5 Nh8 19. Ng5 g6 20. Qg4 Nf5 21. Qh3 h6 22. hxg6 fxg6 23. Bxf5 Rxf5 24. Nxf5 hxg5 25. Ne7+ Kg7 26. Nxd5 Qd8 27. Nf6 Nf7 28. Qh7+ Kf8 29. Rad1 1-0

[Event "Rilton Cup-04 1974/75"]
[Site "Stockholm"]
[Date "1974.12.29"]
[Round "3"]
[White "Ott, Roland"]
[Black "Holm Pedersen, Sejer"]
[Result "0-1"]
[ECO "B60"]
[PlyCount "92"]
[EventDate "1974.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 h6 7. Bh4 Bd7 8. Qd2 g5 9. Bg3 Bg7 10. Nxc6 Bxc6 11. f3 Qa5 12. 0-0-0 Rc8 13. Kb1 Nh5 14. Nb5 Qxd2 15. Rxd2 Nxg3 16. hxg3 a6 17. Na7 Rc7 18. Nxc6 Rxc6 19. f4 e6 20. Be2 b5 21. Bf3 Rb6 22. c3 Ke7 23. Rc1 Rc8 24. Be2 a5 25. Rdc2 b4 26. cxb4 Rxb4 27. Rxc8 Rxb2+ 28. Ka1 Rxe2+ 29. e5 dxe5 30. R8c7+ Kf6 31. fxg5+ Kxg5 32. Rxf7 Kg6 33. Rb7 Rxg2 34. Rb6 e4+ 35. Kb1 Bd4 36. Rxe6+ Kf5 37. Rcc6 e3 38. Re8 h5 39. Rd6 Rd2 40. Rd5+ Kg4 41. Rxa5 e2 42. Re4+ Kf3 43. Rxe2 Kxe2 44. Rxh5 Kd3 45. a4 Rd1+ 46. Ka2 Kc4 0-1

[Event "Olympiad-21 Final B"]
[Site "Nice"]
[Date "1974.06.28"]
[Round "13"]
[White "Puhm, Alar"]
[Black "Ott, Roland"]
[Result "1/2-1/2"]
[ECO "B50"]
[PlyCount "144"]
[EventDate "1974.06.15"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "FRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "France"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "FRA"]
[BlackTeamCountry "SUI"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. e5 dxe5 5. Nxe5 Nbd7 6. d4 e6 7. Nc4 cxd4 8. Nb5 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 0-0 11. Qxd4 a6 12. Nbd6 Qc7 13. a4 Nd5 14. Ra3 N7b6 15. Rg3 f6 16. Bd3 Nxc4 17. Nxc4 b5 18. Qh4 f5 19. Nd2 Qe5+ 20. Kf1 Qxb2 21. Nf3 Qa1+ 22. Ne1 Qxa4 23. c4 bxc4 24. Qg5 Ra7 25. Bc2 Qa1 26. h4 a5 27. h5 Nb4 28. Qd2 Ba6 29. Rc3 Nxc2 30. Qxc2 Rb7 31. Qd2 Rb3 32. Rhh3 Rxc3 33. Rxc3 Qa4 34. h6 Qe8 35. Nf3 Qd8 36. Qe3 Qd1+ 37. Ne1 Qd5 38. hxg7 Rf7 39. Qb6 Bb5 40. Re3 c3+ 41. Kg1 Rb7 42. Qxa5 Rxg7 43. Qxc3 Bc6 44. Nf3 Qd6 45. Rd3 Bd5 46. Qc8+ Qf8 47. Qa6 h6 48. Rc3 Kh7 49. Ne1 Qa8 50. Qxa8 Bxa8 51. Re3 Bd5 52. f3 Kg6 53. Kf2 Kf6 54. f4 Rg4 55. g3 h5 56. Nf3 Bxf3 57. Kxf3 Rg8 58. Ra3 Rh8 59. Ra7 h4 60. gxh4 Rxh4 61. Kg3 Rg4+ 62. Kf3 Rg1 63. Rd7 Ra1 64. Rd3 Ke7 65. Kg2 Ra5 66. Kf3 Rd5 67. Ra3 Rc5 68. Rd3 Rc6 69. Ke2 Rd6 70. Ra3 Kd7 71. Ke3 Rc6 72. Rd3+ Kc7 1/2-1/2

[Event "Olympiad-21 Final B"]
[Site "Nice"]
[Date "1974.06.27"]
[Round "12"]
[White "Ott, Roland"]
[Black "Graa, Tahar"]
[Result "1-0"]
[ECO "A42"]
[PlyCount "63"]
[EventDate "1974.06.15"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "FRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Tunisia"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "TUN"]

1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 Nc6 5. Be3 e5 6. d5 Nce7 7. g4 c5 8. Bd3 a6 9. f3 Bd7 10. Nge2 Rb8 11. Qd2 b5 12. Ng3 Nc8 13. 0-0-0 Qa5 14. Kb1 Nb6 15. cxb5 axb5 16. Nxb5 Qxd2 17. Rxd2 Ke7 18. Na3 Nf6 19. h4 Rhc8 20. Rc2 Ne8 21. Nc4 Nc7 22. Nxd6 Rf8 23. Bxc5 Kd8 24. h5 Na4 25. Ba3 h6 26. g5 f5 27. gxh6 Bxh6 28. hxg6 fxe4 29. Bxe4 Bg7 30. Nf7+ Rxf7 31. gxf7 Nb5 32. Rh8+ 1-0

[Event "Olympiad-21 Final B"]
[Site "Nice"]
[Date "1974.06.25"]
[Round "10"]
[White "Ott, Roland"]
[Black "Bleiman, Yaacov"]
[Result "0-1"]
[ECO "E88"]
[PlyCount "70"]
[EventDate "1974.06.15"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "FRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Israel"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "ISR"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Bd3 cxd5 9. cxd5 Nh5 10. Qd2 Nf4 11. Bxf4 exf4 12. Qxf4 Qb6 13. Qd2 Nd7 14. 0-0-0 Nc5 15. Bc2 Bd7 16. Nge2 Rfc8 17. Kb1 a5 18. Nd4 Na6 19. Nce2 Rc4 20. Bb3 Rb4 21. Nc2 Rxb3 22. axb3 Qxb3 23. Ncd4 Qb6 24. Rc1 a4 25. Rc3 Nc5 26. Ra3 Bb5 27. Nxb5 Qxb5 28. Nd4 Qe8 29. Rd1 Ra6 30. g4 Bf6 31. Qe2 Qe5 32. Qf2 Rb6 33. Qg3 Rb4 34. Qxe5 Bxe5 35. Rdd3 Nxd3 0-1

[Event "Olympiad-21 Final B"]
[Site "Nice"]
[Date "1974.06.24"]
[Round "9"]
[White "Asmundsson, Ingvar"]
[Black "Ott, Roland"]
[Result "1-0"]
[ECO "B52"]
[PlyCount "67"]
[EventDate "1974.06.15"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "FRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Iceland"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "ISL"]
[BlackTeamCountry "SUI"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. a4 Nc6 5. 0-0 g6 6. Re1 Bg7 7. c3 Nf6 8. d4 cxd4 9. cxd4 0-0 10. Nc3 Ne8 11. Be3 a6 12. Be2 Rc8 13. Qb3 Na5 14. Qa2 Bg4 15. Red1 Bxf3 16. Bxf3 Nc4 17. Bg5 h6 18. Bf4 e5 19. dxe5 Nxe5 20. Be2 Nc7 21. Be3 Qe7 22. Qa3 Ne8 23. Nd5 Qe6 24. Qb3 Rc7 25. f4 Nc6 26. f5 Qxe4 27. Bf3 Qe5 28. Nxc7 Nxc7 29. fxg6 Na5 30. Qc3 Qe7 31. Bd4 Bxd4+ 32. Rxd4 fxg6 33. Rad1 Rf6 34. Re4 1-0

[Event "Olympiad-21 Final B"]
[Site "Nice"]
[Date "1974.06.20"]
[Round "6"]
[White "Adamski, Jan"]
[Black "Ott, Roland"]
[Result "1-0"]
[ECO "A38"]
[PlyCount "115"]
[EventDate "1974.06.15"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "FRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "SUI"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 g6 5. Bg2 Bg7 6. d4 cxd4 7. Nxd4 Nxd4 8. Qxd4 d6 9. b3 0-0 10. Bb2 Qa5 11. Qd2 Rb8 12. Rd1 a6 13. 0-0 Rd8 14. a3 Be6 15. e4 b5 16. b4 Qb6 17. Nd5 Nxd5 18. exd5 Bd7 19. Bxg7 Kxg7 20. Qc3+ Kg8 21. c5 Qc7 22. c6 Re8 23. Qe3 Bc8 24. Rd4 e6 25. dxe6 Bxe6 26. Qf4 Rbd8 27. Rfd1 Bb3 28. Rc1 Re7 29. h4 d5 30. Qg5 Qe5 31. c7 Rc8 32. Qxe5 Rxe5 33. Rc6 Re6 34. Rc5 Re7 35. Bxd5 Bxd5 36. Rdxd5 Rexc7 37. Rxc7 Rxc7 38. Rd6 Ra7 39. Rb6 Kf8 40. g4 Ke7 41. g5 Kf8 42. Kg2 Ke7 43. Kg3 a5 44. Rxb5 axb4 45. axb4 Ra3+ 46. f3 Ke6 47. Rb6+ Ke7 48. Rc6 Rb3 49. Rc4 Kf8 50. Kf4 Kg7 51. Ke4 h6 52. f4 Rh3 53. b5 Rb3 54. Rc5 Rb4+ 55. Ke5 Kh7 56. Kd6 Rxf4 57. b6 Rb4 58. Kc6 1-0

[Event "Olympiad-21 Final B"]
[Site "Nice"]
[Date "1974.06.19"]
[Round "5"]
[White "Ott, Roland"]
[Black "De Greif, Boris"]
[Result "1/2-1/2"]
[ECO "E82"]
[PlyCount "44"]
[EventDate "1974.06.15"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "FRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Columbia"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Be3 d6 6. f3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. 0-0 exd5 11. exd5 Nbd7 12. b3 a6 13. a4 Re8 14. Qd2 Qe7 15. Bg5 Qf8 16. Rae1 h6 17. Bh4 Nh7 18. Bg3 Ne5 19. Bb1 Rad8 20. h3 Nd7 21. Ne4 Ndf6 22. Nxf6+ Nxf6 1/2-1/2

[Event "Olympiad-21 Final B"]
[Site "Nice"]
[Date "1974.06.17"]
[Round "3"]
[White "Ott, Roland"]
[Black "Moen, Ole Christian"]
[Result "1-0"]
[ECO "E82"]
[PlyCount "67"]
[EventDate "1974.06.15"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "FRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Norway"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "NOR"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 b6 7. Bd3 c5 8. e5 Ne8 9. Be4 cxd4 10. Bxd4 dxe5 11. Be3 Nc7 12. Qxd8 Rxd8 13. Nb5 Nba6 14. Nxc7 Nxc7 15. Bxa8 Nxa8 16. Rd1 Rxd1+ 17. Kxd1 Nc7 18. Kc1 Ne6 19. Ne2 Nd4 20. Nc3 f5 21. Rd1 Kf7 22. Bxd4 exd4 23. Nb5 Ba6 24. Nxd4 Bxc4 25. b3 Ba6 26. Nc6 Be2 27. Re1 Bb5 28. Ne5+ Ke8 29. Kc2 Kd8 30. Nf7+ Kd7 31. Ng5 h5 32. Rd1+ Ke8 33. Ne6 Be5 34. Rd5 1-0

[Event "EU-ch U21 fin-C"]
[Site "Groningen"]
[Date "1974.01.04"]
[Round "10"]
[White "Hanau, Jean"]
[Black "Ott, Roland"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "100"]
[EventDate "1973.12.26"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 d6 5. Nf3 Nc6 6. Bc4 dxe5 7. Nxe5 Nxe5 8. dxe5 e6 9. 0-0 a6 10. a4 Nb6 11. Qxd8+ Kxd8 12. Bg5+ Kc7 13. Be2 Nd5 14. Na3 Bd7 15. Nc2 f6 16. exf6 gxf6 17. Bh4 Bd6 18. Bf3 Rhf8 19. Bxd5 exd5 20. Ne3 Be6 21. Bg3 Rad8 22. Rfd1 Kc6 23. Kf1 f5 24. Bxd6 Rxd6 25. f4 Rfd8 26. Kf2 d4 27. cxd4 Rxd4 28. g3 Rxd1 29. Rxd1 Rxd1 30. Nxd1 Kd5 31. Ne3+ Kd4 32. g4 Ke4 33. gxf5 Bxf5 34. Nc4 Kxf4 35. Nd6 b6 36. Nc4 b5 37. axb5 axb5 38. Nd6 Bd3 39. Ke1 Kf3 40. Kd2 Bf1 41. b3 h5 42. Nf5 Bh3 43. Nd6 Bd7 44. Nb7 c4 45. bxc4 bxc4 46. Nc5 Be8 47. Kc3 Bf7 48. Nd7 Kg2 49. Ne5 Bg8 50. h4 Kg3 0-1

[Event "EU-ch U21 fin-C"]
[Site "Groningen"]
[Date "1974.01.03"]
[Round "9"]
[White "Ott, Roland"]
[Black "Hellmayr, Alois"]
[Result "1-0"]
[ECO "B15"]
[PlyCount "39"]
[EventDate "1973.12.26"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nc3 c6 4. f4 d5 5. e5 h5 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 e6 9. Be3 h4 10. Bd3 Nh6 11. 0-0 Nf5 12. Bf2 Nd7 13. Ne2 Bf8 14. a4 Be7 15. Rfb1 Kf8 16. b4 b6 17. c4 a5 18. b5 dxc4 19. Bxf5 gxf5 20. bxc6 1-0

[Event "EU-ch U21 fin-C"]
[Site "Groningen"]
[Date "1974.01.02"]
[Round "8"]
[White "Ott, Roland"]
[Black "Miranda, Vladimiro"]
[Result "1-0"]
[ECO "A84"]
[PlyCount "73"]
[EventDate "1973.12.26"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 e6 3. c4 Nf6 4. e3 Be7 5. Bd3 0-0 6. 0-0 b6 7. b3 Bb7 8. Bb2 Qe8 9. Nbd2 Qg6 10. Qc2 Na6 11. a3 Bd6 12. h3 Qh5 13. e4 fxe4 14. Nxe4 Bxe4 15. Bxe4 Nxe4 16. Qxe4 c6 17. Ne5 Rad8 18. Rad1 Qg5 19. Qe2 Nc7 20. Rd3 Qe7 21. a4 b5 22. axb5 cxb5 23. Qg4 bxc4 24. bxc4 Rb8 25. Bc1 Rf5 26. h4 Ne8 27. Bg5 Nf6 28. Qe2 h6 29. g4 hxg5 30. gxf5 gxh4 31. Re3 Nh7 32. Kh1 Rb4 33. fxe6 dxe6 34. Nc6 Qb7 35. d5 Rb3 36. Nd8 Rxe3 37. Qxe3 1-0

[Event "EU-ch U21 fin-C"]
[Site "Groningen"]
[Date "1973.12.31"]
[Round "7"]
[White "Salonen, Jyrki"]
[Black "Ott, Roland"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "44"]
[EventDate "1973.12.26"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. d3 Nf6 4. c4 d5 5. cxd5 Nxd5 6. Qb3 c6 7. Nf3 0-0 8. Nc3 Na6 9. 0-0 Nac7 10. Bd2 h6 11. a3 Kh7 12. Rad1 e5 13. e4 Nb6 14. Be3 Ne6 15. Na4 Nxa4 16. Qxa4 c5 17. b4 Bd7 18. Qb3 cxb4 19. axb4 Bb5 20. Bh3 Re8 21. Rfe1 Qe7 22. Bxe6 Qxe6 1/2-1/2

[Event "EU-ch U21 fin-C"]
[Site "Groningen"]
[Date "1973.12.30"]
[Round "6"]
[White "Ott, Roland"]
[Black "Guddahl, Viggo"]
[Result "0-1"]
[ECO "A75"]
[PlyCount "52"]
[EventDate "1973.12.26"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 0-0 9. 0-0 a6 10. a4 Bg4 11. Bg5 h6 12. Bh4 g5 13. Bg3 Nh5 14. Qc2 f5 15. h3 Nxg3 16. fxg3 Bxf3 17. Rxf3 f4 18. gxf4 gxf4 19. Raf1 Qg5 20. Kh1 Nd7 21. Qc1 Be5 22. g3 fxg3 23. Rxf8+ Rxf8 24. Rxf8+ Nxf8 25. Qf1 Ng6 26. Bg4 Nf4 0-1

[Event "EU-ch U21 fin-C"]
[Site "Groningen"]
[Date "1973.12.29"]
[Round "5"]
[White "Ott, Roland"]
[Black "Hanau, Jean"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "71"]
[EventDate "1973.12.26"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. g3 Nxe5 5. Bg2 Nf6 6. Nc3 Nxf3+ 7. Bxf3 Qe6 8. 0-0 Bc5 9. Na4 Bb6 10. e4 d6 11. Bg2 Bd7 12. Nxb6 axb6 13. Re1 Bc6 14. b3 0-0 15. Bb2 Ra5 16. f4 Re8 17. Qd4 Rh5 18. f5 Qe5 19. Qxe5 dxe5 20. Bf3 Rg5 21. Kg2 h5 22. Re2 g6 23. h4 Rg4 24. Bxg4 hxg4 25. fxg6 Bxe4+ 26. Kh2 fxg6 27. Rae1 Bf3 28. Rxe5 Rd8 29. Bc3 Nd5 30. Bd2 Kf7 31. c4 Nf6 32. Re7+ Kg8 33. Bc3 Rf8 34. R1e6 Rd8 35. Rxf6 Rd1 36. Re8+ 1-0

[Event "EU-ch U21 fin-C"]
[Site "Groningen"]
[Date "1973.12.28"]
[Round "4"]
[White "Hellmayr, Alois"]
[Black "Ott, Roland"]
[Result "1/2-1/2"]
[ECO "A04"]
[PlyCount "26"]
[EventDate "1973.12.26"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. 0-0 Bg7 5. d3 d6 6. Nbd2 e5 7. e4 0-0 8. c3 c6 9. Re1 fxe4 10. dxe4 Qe7 11. Nc4 Ne8 12. Qd3 Na6 13. b4 b5 1/2-1/2

[Event "EU-ch U21 fin-C"]
[Site "Groningen"]
[Date "1973.12.28"]
[Round "3"]
[White "Miranda, Vladimiro"]
[Black "Ott, Roland"]
[Result "1/2-1/2"]
[ECO "D05"]
[PlyCount "38"]
[EventDate "1973.12.26"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 e6 4. c3 b6 5. Bd3 Bb7 6. Nbd2 d5 7. 0-0 Bd6 8. Ne5 0-0 9. f4 Ne4 10. Qf3 f5 11. Kh1 Qe7 12. g4 Bxe5 13. fxe5 Ba6 14. Bxa6 Nxa6 15. Qe2 Qh4 16. Nxe4 fxe4 17. Bd2 Nc7 18. Kg2 Rxf1 19. Rxf1 Rf8 1/2-1/2

[Event "EU-ch U21 fin-C"]
[Site "Groningen"]
[Date "1973.12.27"]
[Round "2"]
[White "Ott, Roland"]
[Black "Salonen, Jyrki"]
[Result "1-0"]
[ECO "A42"]
[PlyCount "78"]
[EventDate "1973.12.26"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nc6 5. Be3 e5 6. d5 Nce7 7. g4 Nf6 8. g5 Nd7 9. Qd2 Nf8 10. 0-0-0 a6 11. Kb1 Bd7 12. h4 Qb8 13. Rc1 c5 14. dxc6 bxc6 15. Rd1 Ne6 16. c5 Nd4 17. f4 Bg4 18. Be2 Bxe2 19. Ngxe2 Nxe2 20. Nxe2 d5 21. fxe5 Bxe5 22. Nc3 Qb4 23. Bd4 Bxd4 24. Qxd4 Qxd4 25. Rxd4 0-0-0 26. Rf1 dxe4 27. Rxd8+ Rxd8 28. Rxf7 Nf5 29. Nxe4 Rd7 30. Rf6 Kc7 31. h5 Ne3 32. Nd6 Nd5 33. hxg6 Nxf6 34. gxf6 hxg6 35. f7 Rxf7 36. Nxf7 Kd7 37. Ne5+ Ke6 38. Nxg6 Kd5 39. Kc2 Kxc5 1-0

[Event "EU-ch U21 fin-C"]
[Site "Groningen"]
[Date "1973.12.26"]
[Round "1"]
[White "Guddahl, Viggo"]
[Black "Ott, Roland"]
[Result "1/2-1/2"]
[ECO "D91"]
[PlyCount "140"]
[EventDate "1973.12.26"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 Bg7 7. e3 c5 8. cxd5 cxd4 9. cxd4 Qxd5 10. Nf3 Nc6 11. Be2 e5 12. dxe5 Qa5+ 13. Qd2 Qxd2+ 14. Kxd2 Nxe5 15. Nxe5 Bxe5 16. Bb5+ Kf8 17. Rac1 Kg7 18. Bc4 a6 19. Ke2 b5 20. Bd5 Ra7 21. f4 Bf6 22. Bxf6+ Kxf6 23. Rc6+ Ke7 24. Rhc1 Bg4+ 25. Kd3 Rd8 26. Kd4 Rdd7 27. e4 Be2 28. Ke5 a5 29. R1c5 Bc4 30. Bxc4 bxc4 31. f5 gxf5 32. exf5 Rd2 33. f6+ Kd7 34. Rxc4 Re2+ 35. Kd5 Rd2+ 36. Kc5 Rc7 37. Rxc7+ Kxc7 38. Ra4 Rxg2 39. Rxa5 Rg5+ 40. Kb4 Rg4+ 41. Kb3 Kb6 42. Rf5 Rh4 43. Rf2 Kc5 44. Rc2+ Kb6 45. Rf2 Kc5 46. Rf5+ Kb6 47. Kc3 Rxh2 48. Kd4 Rxa2 49. Ke4 Kc6 50. Rh5 Kd6 51. Rb5 Kc6 52. Rh5 Ra4+ 53. Kf3 Kd6 54. Rxh7 Ke6 55. Rh6 Kf5 56. Rh5+ Kxf6 57. Rb5 Kg6 58. Rb6+ Kg5 59. Rb5+ f5 60. Rb3 Rh4 61. Kg3 f4+ 62. Kg2 Kg4 63. Rb8 f3+ 64. Kf1 Kg3 65. Rg8+ Rg4 66. Rxg4+ Kxg4 67. Kf2 Kf4 68. Kf1 Ke3 69. Ke1 f2+ 70. Kf1 Kf3 1/2-1/2

[Event "EU-ch U21 prel"]
[Site "Groningen"]
[Date "1973.12.24"]
[Round "7"]
[White "Ott, Roland"]
[Black "Hanau, Jean"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "55"]
[EventDate "1973.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. cxd5 exd5 5. Nf3 Nf6 6. Bf4 Bf5 7. e3 Nbd7 8. Bd3 Bxd3 9. Qxd3 Be7 10. 0-0 0-0 11. Rfb1 Re8 12. b4 Ne4 13. Nxe4 dxe4 14. Qxe4 Bxb4 15. Qc2 Qa5 16. Ng5 Nf6 17. Be5 Rxe5 18. dxe5 Qxe5 19. Nf3 Qa5 20. Rb3 Rd8 21. a3 Qa4 22. Qc4 a5 23. Rbb1 b5 24. Qxc6 Bxa3 25. Nd4 Nd5 26. Nxb5 Ne7 27. Qc3 Bc1 28. Qxc1 1-0

[Event "EU-ch U21 prel"]
[Site "Groningen"]
[Date "1973.12.23"]
[Round "6"]
[White "Spacek, Petr"]
[Black "Ott, Roland"]
[Result "1/2-1/2"]
[ECO "D36"]
[PlyCount "44"]
[EventDate "1973.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Nc3 c6 6. Bg5 Be7 7. Qc2 0-0 8. e3 Nbd7 9. Bd3 Re8 10. 0-0 Nf8 11. Nd2 g6 12. Rfb1 Ne6 13. Bh4 Ng7 14. b4 a6 15. a4 Bf5 16. b5 axb5 17. axb5 Bxd3 18. Qxd3 Nf5 19. Bxf6 Bxf6 20. bxc6 bxc6 21. Ra6 Rxa6 22. Qxa6 c5 1/2-1/2

[Event "EU-ch U21 prel"]
[Site "Groningen"]
[Date "1973.12.22"]
[Round "5"]
[White "Oney, Adil Feridun"]
[Black "Ott, Roland"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "56"]
[EventDate "1973.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 e6 4. Bg2 Nf6 5. f4 d5 6. e5 Nd7 7. Nf3 Be7 8. 0-0 0-0 9. d4 b5 10. Ne2 a5 11. Be3 b4 12. dxc5 Nxc5 13. Nfd4 Nxd4 14. Nxd4 Ne4 15. Nc6 Qc7 16. Nxe7+ Qxe7 17. f5 exf5 18. Qxd5 Bb7 19. Qb3 a4 20. Qd3 Ba6 21. Qd4 Rfd8 22. Qb6 Rdb8 23. Qd4 Rd8 24. Qb6 Bxf1 25. Rxf1 Qxe5 26. Qxb4 Rab8 27. Qxa4 Nxg3 28. Re1 Rd1 0-1

[Event "EU-ch U21 prel"]
[Site "Groningen"]
[Date "1973.12.20"]
[Round "4"]
[White "Ott, Roland"]
[Black "Miranda, Vladimiro"]
[Result "1/2-1/2"]
[ECO "B09"]
[PlyCount "58"]
[EventDate "1973.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 Nf6 5. Nf3 0-0 6. e5 dxe5 7. dxe5 Qxd1+ 8. Kxd1 Rd8+ 9. Ke1 Ne8 10. Bc4 Bf5 11. Bb3 Nc6 12. Nh4 Nd4 13. Nxf5 gxf5 14. Be3 e6 15. Bxd4 Rxd4 16. g3 Bf8 17. a3 Rad8 18. Rd1 Rxd1+ 19. Nxd1 Bc5 20. Ke2 c6 21. Nc3 a5 22. h3 Rd4 23. Rd1 Nc7 24. Rxd4 Bxd4 25. Kd3 Bf2 26. g4 fxg4 27. hxg4 Nd5 28. Bxd5 cxd5 29. Ne2 Kg7 1/2-1/2

[Event "EU-ch U21 prel"]
[Site "Groningen"]
[Date "1973.12.19"]
[Round "3"]
[White "Salonen, Jyrki"]
[Black "Ott, Roland"]
[Result "1-0"]
[ECO "B53"]
[PlyCount "89"]
[EventDate "1973.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Bd7 5. c4 Nc6 6. Qd1 g6 7. Bd2 Nf6 8. Bc3 Bg7 9. Be2 0-0 10. Nbd2 Nh5 11. Bxg7 Kxg7 12. g3 Kh8 13. h4 Bg4 14. Ng5 Bxe2 15. Qxe2 Qb6 16. 0-0-0 Rac8 17. Kb1 a5 18. Ndf3 a4 19. g4 Nf4 20. Qe3 Qxe3 21. fxe3 Ne6 22. h5 Nxg5 23. Nxg5 Kg7 24. hxg6 Kxg6 25. Rh5 Ne5 26. Nxh7 f6 27. Nxf8+ Rxf8 28. Rdh1 Nxg4 29. Ra5 Nxe3 30. Rxa4 Kg5 31. Rh7 e5 32. Rxb7 Kf4 33. Rd7 Kxe4 34. c5+ Kd5 35. Rxd6+ Kxc5 36. Raa6 f5 37. Rac6+ Kb5 38. Rb6+ Kc5 39. Rbc6+ Kb5 40. Rb6+ Kc5 41. a3 Rc8 42. b4+ Kc4 43. Rbc6+ Rxc6 44. Rxc6+ Kd4 45. b5 1-0

[Event "EU-ch U21 prel"]
[Site "Groningen"]
[Date "1973.12.18"]
[Round "2"]
[White "Marjanovic, Slavoljub"]
[Black "Ott, Roland"]
[Result "1/2-1/2"]
[ECO "B87"]
[PlyCount "83"]
[EventDate "1973.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 b5 7. Bb3 e6 8. 0-0 Be7 9. f4 Bb7 10. e5 dxe5 11. fxe5 Bc5 12. Be3 Nd5 13. Bxd5 Bxd5 14. Nf5 Bxe3+ 15. Nxe3 Qb6 16. Ncxd5 exd5 17. Qf3 0-0 18. Kh1 Nd7 19. Nxd5 Qc5 20. Rad1 Nxe5 21. Qg3 Ng6 22. c3 Rae8 23. Qf2 Qxf2 24. Rxf2 Re6 25. h3 Ne5 26. a4 f6 27. axb5 axb5 28. Rd4 Rc8 29. Kh2 Nc6 30. Rdd2 Kf7 31. Nf4 Re4 32. Rd7+ Re7 33. Rfd2 Ne5 34. Rxe7+ Kxe7 35. Rd5 Rb8 36. Nd3 Nxd3 37. Rxd3 Ke6 38. Rd4 Rb7 39. Kg3 Rc7 40. Kf3 Rc5 41. Ke3 h5 42. Re4+ 1/2-1/2

[Event "EU-ch U21 prel"]
[Site "Groningen"]
[Date "1973.12.17"]
[Round "1"]
[White "Ott, Roland"]
[Black "Van der Linde, Meindert"]
[Result "0-1"]
[ECO "A85"]
[PlyCount "92"]
[EventDate "1973.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nf3 g6 4. e3 Bg7 5. Bd3 0-0 6. 0-0 d6 7. Nc3 Nc6 8. e4 fxe4 9. Nxe4 Bg4 10. Nxf6+ Bxf6 11. Be2 Bxf3 12. Bxf3 Nxd4 13. Bxb7 Rb8 14. Be4 Qd7 15. Rb1 c5 16. b3 Rb6 17. Be3 Rfb8 18. h4 Kg7 19. h5 a5 20. Qd3 Qg4 21. Bxd4 Bxd4 22. hxg6 hxg6 23. Qf3 Qg5 24. g3 a4 25. Kg2 axb3 26. Rxb3 Rxb3 27. axb3 e6 28. Qd3 Rh8 29. Rh1 Rxh1 30. Kxh1 d5 31. cxd5 exd5 32. Bf3 Bxf2 33. Bxd5 Bxg3 34. Qc3+ Be5 35. Qxc5 Qh4+ 36. Kg2 Qg3+ 37. Kf1 Qd3+ 38. Kg2 Qg3+ 39. Kf1 Qd3+ 40. Kg2 Qe2+ 41. Kg1 Bh2+ 42. Kh1 Bf4 43. Qd4+ Be5 44. Qa7+ Kh6 45. Qg1 Qh5+ 46. Kg2 Qg4+ 0-1

[Event "EU-ch U21 fin-B"]
[Site "Groningen"]
[Date "1973.01.05"]
[Round "9"]
[White "Bessenay, Maurice"]
[Black "Ott, Roland"]
[Result "0-1"]
[ECO "B83"]
[PlyCount "102"]
[EventDate "1972.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 7. Be3 Nc6 8. 0-0 0-0 9. Kh1 Bd7 10. f4 Nxd4 11. Qxd4 Bc6 12. Bf3 Qa5 13. e5 dxe5 14. fxe5 Bxf3 15. Rxf3 Nd5 16. Nxd5 exd5 17. Qg4 Qb4 18. Qxb4 Bxb4 19. Rd1 Rfd8 20. Bg5 Rd7 21. Rfd3 h6 22. Be3 Rad8 23. Bxa7 Ra8 24. a3 Rxa7 25. axb4 Ra2 26. Rb1 Kf8 27. Ra3 Rxa3 28. bxa3 Rc7 29. Rc1 Ke7 30. Kg1 Ke6 31. Kf2 Rc3 32. a4 Rc4 33. c3 d4 34. Ke2 dxc3 35. Kd3 Rxb4 36. Rxc3 Rxa4 37. Rb3 Kxe5 38. Rxb7 Ra2 39. g4 Kf6 40. h4 Ra4 41. g5+ hxg5 42. hxg5+ Kg6 43. Ke3 Ra5 44. Kf4 Rf5+ 45. Kg4 Rxg5+ 46. Kf4 Ra5 47. Rb6+ f6 48. Rb4 Kh5 49. Rb8 g5+ 50. Kg3 Ra3+ 51. Kg2 f5 0-1

[Event "EU-ch U21 fin-B"]
[Site "Groningen"]
[Date "1973.01.03"]
[Round "8"]
[White "Ott, Roland"]
[Black "Inkiov, Ventzislav"]
[Result "0-1"]
[ECO "E14"]
[PlyCount "68"]
[EventDate "1972.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 0-0 5. e3 b6 6. Bd3 Bb7 7. 0-0 d5 8. a3 Be7 9. b3 Nbd7 10. Bb2 c5 11. Qe2 Ne4 12. Rad1 Ndf6 13. Ne5 Qc7 14. f3 Nd6 15. cxd5 exd5 16. dxc5 bxc5 17. e4 c4 18. bxc4 Qb6+ 19. c5 Qxb2 20. cxd6 Bxd6 21. Ng4 Nxg4 22. fxg4 Rae8 23. Rde1 Re7 24. Kh1 Qxa3 25. Qf3 Qb2 26. Re2 Qd4 27. Rfe1 Rfe8 28. exd5 Rxe2 29. Rxe2 Rxe2 30. Qxe2 Bxd5 31. Ba6 g6 32. h3 Bc5 33. Qe1 Bb4 34. Qe8+ Kg7 0-1

[Event "EU-ch U21 fin-B"]
[Site "Groningen"]
[Date "1973.01.02"]
[Round "7"]
[White "Makropoulos, Georgios"]
[Black "Ott, Roland"]
[Result "1/2-1/2"]
[ECO "B04"]
[PlyCount "90"]
[EventDate "1972.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. h3 Bg7 8. Nf3 0-0 9. Be3 Nc6 10. Rc1 f5 11. d5 Ne5 12. Nxe5 Bxe5 13. h4 f4 14. Bd4 Nd7 15. h5 Bxd4 16. Qxd4 Qb6 17. Qd2 Ne5 18. hxg6 hxg6 19. Nb5 Bd7 20. Nd4 Kg7 21. Rc3 Rh8 22. Rg1 Raf8 23. g3 fxg3 24. f4 Rh4 25. Rb3 Qc5 26. Rb5 Qxd4 27. Qxd4 Rhxf4 28. Qc3 Rf3 29. Qxe5+ dxe5 30. Rxb7 Rxf1+ 31. Rxf1 g2 32. Rg1 Bh3 33. Rxe7+ Kg8 34. Ke2 Rf1 35. Rxg2 Bxg2 36. d6 Kf8 37. Rxa7 Rc1 38. Rc7 Bf1+ 39. Kf2 Bh3 40. c5 Rc2+ 41. Kg3 Bf5 42. b4 Rc3+ 43. Kg2 Rc2+ 44. Kg3 Rc3+ 45. Kg2 Rc2+ 1/2-1/2

[Event "EU-ch U21 fin-B"]
[Site "Groningen"]
[Date "1973.01.01"]
[Round "6"]
[White "Ott, Roland"]
[Black "Bielczyk, Jacek"]
[Result "1-0"]
[ECO "A59"]
[PlyCount "79"]
[EventDate "1972.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 Bxf1 8. Kxf1 g6 9. Nf3 Nbd7 10. g3 Bg7 11. Kg2 0-0 12. Re1 Qb6 13. Re2 Rfb8 14. h3 Ne8 15. Bf4 Ne5 16. Bxe5 Bxe5 17. Nxe5 dxe5 18. Rc1 c4 19. Qd2 Nc7 20. h4 Na6 21. h5 Nc5 22. Rh1 Nd3 23. b3 gxh5 24. bxc4 Qd4 25. Rd1 Ra3 26. Nb5 Rxb5 27. cxb5 Qa4 28. Re3 Nc5 29. Rxa3 Qxa3 30. Qg5+ Kf8 31. Qxe5 f6 32. Qd4 Nd7 33. d6 e6 34. Rd2 h4 35. b6 h3+ 36. Kxh3 Qf3 37. Kh2 Qh5+ 38. Kg2 Ne5 39. Qxe5 Qxe5 40. d7 1-0

[Event "Maspalomas tt 2nd"]
[Site "Maspalomas"]
[Date "1973.??.??"]
[Round "3.4"]
[White "Ott, Roland"]
[Black "Kuijpers, Frans"]
[Result "0-1"]
[ECO "D59"]
[PlyCount "76"]
[EventDate "1973.02.05"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "ESP"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Zuerich"]
[BlackTeam "Amsterdam"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 0-0 6. e3 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Rc1 Be6 12. Qa4 c5 13. Qa3 Rc8 14. Bb5 a6 15. dxc5 bxc5 16. 0-0 Qb7 17. Ba4 Qb6 18. Qb3 Qxb3 19. Bxb3 Nd7 20. Rfd1 Nf6 21. Ne5 Rab8 22. Rc2 Rb7 23. f3 Re7 24. Rcd2 Bf5 25. f4 Be6 26. Bc2 g6 27. Bb1 Rb7 28. b3 a5 29. Bd3 c4 30. Bc2 Kg7 31. h3 h5 32. Kf2 a4 33. bxc4 dxc4 34. Ke2 c3 35. Rd4 Rb2 36. Rc1 Bxa2 37. Kd1 Bb3 38. Nd3 Nd5 0-1

[Event "EU-ch U21 fin-B"]
[Site "Groningen"]
[Date "1972.12.30"]
[Round "5"]
[White "Ott, Roland"]
[Black "Varasdy, Imre"]
[Result "1-0"]
[ECO "A75"]
[PlyCount "67"]
[EventDate "1972.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 a6 9. a4 0-0 10. 0-0 Bg4 11. h3 Bxf3 12. Bxf3 Nbd7 13. Be2 Re8 14. Qc2 Qc7 15. a5 Re7 16. Be3 Rae8 17. Ra4 h6 18. Rc1 g5 19. b4 cxb4 20. Rxb4 Nc5 21. Bxc5 Qxc5 22. Qb1 Rc7 23. Rc4 Qxa5 24. Ra4 Qxc3 25. Rxc3 Rxc3 26. Qxb7 Rc1+ 27. Kh2 Nxe4 28. Bh5 Nf6 29. Bxf7+ Kf8 30. Bxe8 Nxe8 31. Rxa6 Be5+ 32. g3 Rc7 33. Qb1 Kg7 34. Qb8 1-0

[Event "EU-ch U21 fin-B"]
[Site "Groningen"]
[Date "1972.12.29"]
[Round "4"]
[White "Anceschi, Vittorio"]
[Black "Ott, Roland"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "83"]
[EventDate "1972.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Bg4 4. 0-0 Nbd7 5. d3 e6 6. h3 Bxf3 7. Bxf3 Be7 8. Nd2 0-0 9. Bg2 c6 10. Kh2 Qc7 11. e4 dxe4 12. dxe4 Rfd8 13. Qe2 c5 14. f4 Rac8 15. c3 c4 16. e5 Nd5 17. Bxd5 exd5 18. Nf3 Nc5 19. Nd4 Re8 20. Kg2 Bf8 21. Qf3 Rcd8 22. Bd2 a6 23. Rae1 b5 24. Re2 Nd3 25. b4 Qb6 26. Be3 Qb7 27. Nf5 Qd7 28. g4 Kh8 29. Bd4 Qc6 30. h4 a5 31. a3 Kg8 32. h5 Rd7 33. g5 Rb7 34. Ne3 Rd7 35. Ng4 Be7 36. Kh1 axb4 37. axb4 Ra8 38. Nf6+ gxf6 39. gxf6 Bxf6 40. exf6 Kh8 41. Qg3 Rg8 42. Qxg8+ 1-0

[Event "EU-ch U21 fin-B"]
[Site "Groningen"]
[Date "1972.12.28"]
[Round "3"]
[White "Ott, Roland"]
[Black "Raaste, Eero J"]
[Result "0-1"]
[ECO "E11"]
[PlyCount "106"]
[EventDate "1972.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 c5 5. e3 d6 6. Bd3 Nc6 7. 0-0 e5 8. d5 Ne7 9. Qc2 Bg4 10. a3 Bxd2 11. Nxd2 Qd7 12. b4 Rc8 13. bxc5 Rxc5 14. Nb3 Rc7 15. e4 0-0 16. f3 Bh5 17. Be3 Qa4 18. Rfc1 b6 19. Nd2 Qxc2 20. Rxc2 Nd7 21. Nb3 f5 22. a4 fxe4 23. fxe4 a5 24. c5 Nxc5 25. Bxc5 bxc5 26. Nxa5 Rb8 27. Kf2 Nc8 28. Nc4 Rb3 29. Ke3 Be8 30. a5 Bb5 31. Kd2 Bxc4 32. Bxc4 Rb4 33. Kc3 Ra7 34. Rb2 Rxb2 35. Kxb2 Kf7 36. a6 Nb6 37. Kc3 Ke7 38. Rb1 Nd7 39. Kb3 Nb8 40. Ra1 Kd7 41. Ka4 Nxa6 42. Bb5+ Kc7 43. Rf1 Nb4+ 44. Kb3 Rb7 45. Kc4 Nc2 46. Rf7+ Kb6 47. Rxb7+ Kxb7 48. Kc3 Kb6 49. Be2 Nd4 50. Bh5 Ka5 51. Bg4 Ka4 52. Bd1+ Kb5 53. Bh5 c4 0-1

[Event "EU-ch U21 fin-B"]
[Site "Groningen"]
[Date "1972.12.27"]
[Round "2"]
[White "Findlay, David John"]
[Black "Ott, Roland"]
[Result "1-0"]
[ECO "B82"]
[PlyCount "113"]
[EventDate "1972.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 Be7 7. f4 Nc6 8. Nb3 0-0 9. Qf3 Bd7 10. Bd3 e5 11. f5 Nb4 12. Bg5 Bc6 13. Bxf6 Bxf6 14. a3 Nxd3+ 15. Qxd3 Qc7 16. 0-0 a6 17. Kh1 b5 18. Rf2 Rfd8 19. Nd5 Bxd5 20. Qxd5 Rac8 21. Rd1 Qc4 22. Qxc4 Rxc4 23. Re2 Rd7 24. c3 Bd8 25. Rd5 Bb6 26. g3 f6 27. Kg2 Kf7 28. Kf3 Rc8 29. Red2 Ke7 30. Rd1 Rc6 31. Nc1 Rc5 32. R5d2 Rc8 33. Rd5 Rc5 34. Nb3 Rxd5 35. Rxd5 Rc7 36. Nd2 Kd7 37. Ke2 Rc5 38. Rxc5 dxc5 39. c4 Kc6 40. Kd3 Ba5 41. Nf3 Kd6 42. g4 h6 43. h4 Kc6 44. g5 hxg5 45. hxg5 Bd8 46. g6 Kd6 47. Kc3 Kc6 48. Kb3 Be7 49. Nd2 Bd8 50. Nf1 Be7 51. Ne3 Bd8 52. Nd5 Kd7 53. cxb5 axb5 54. a4 bxa4+ 55. Kxa4 Kc6 56. b3 c4 57. b4 1-0

[Event "EU-ch U21 fin-B"]
[Site "Groningen"]
[Date "1972.12.26"]
[Round "1"]
[White "Ott, Roland"]
[Black "Auchenberg, Per"]
[Result "1/2-1/2"]
[ECO "B87"]
[PlyCount "72"]
[EventDate "1972.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. 0-0 Be7 9. f4 0-0 10. Be3 Qc7 11. f5 e5 12. Nde2 Bb7 13. Ng3 Nbd7 14. a3 Rac8 15. Rc1 Nb6 16. Bxb6 Qxb6+ 17. Kh1 b4 18. axb4 Qxb4 19. Ra1 Rc5 20. Ra4 Qb6 21. Nh5 Bc6 22. Ra1 Rc8 23. Nxf6+ Bxf6 24. Qh5 Rc7 25. Rf3 a5 26. Rd1 Qb4 27. Nd5 Bxd5 28. Bxd5 a4 29. c4 Qxb2 30. g4 Qe2 31. Rff1 Rxc4 32. Rde1 Qd2 33. Rd1 Qe2 34. Rde1 Qd2 35. Rd1 Qe3 36. Rde1 Qd2 1/2-1/2

[Event "EU-ch U21 prel"]
[Site "Groningen"]
[Date "1972.12.24"]
[Round "7"]
[White "Ott, Roland"]
[Black "Varasdy, Imre"]
[Result "0-1"]
[ECO "A75"]
[PlyCount "58"]
[EventDate "1972.12.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 0-0 9. 0-0 a6 10. a4 Bg4 11. Nd2 Bxe2 12. Qxe2 Nbd7 13. Nc4 Nb6 14. Na3 Re8 15. Qc2 Qe7 16. a5 Nbd7 17. Re1 b5 18. axb6 Nxb6 19. Re2 Rab8 20. h3 Qe5 21. Nab1 Nh5 22. Rxa6 Nf4 23. Bxf4 Qxf4 24. g3 Qh6 25. Kg2 Qh5 26. f3 Qg5 27. Nd2 Bd4 28. Ra1 Bxc3 29. Qxc3 Nxd5 0-1

[Event "EU-ch U21 prel"]
[Site "Groningen"]
[Date "1972.12.23"]
[Round "6"]
[White "Baljon, Christofoor"]
[Black "Ott, Roland"]
[Result "1/2-1/2"]
[ECO "B03"]
[PlyCount "62"]
[EventDate "1972.12.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. h4 Bg7 8. h5 Nc6 9. Be3 e5 10. dxe5 Nxe5 11. Ne4 d5 12. cxd5 Qxd5 13. h6 Qxe4 14. hxg7 Rg8 15. Rxh7 Bg4 16. Qd4 Qxd4 17. Bxd4 Nc6 18. Bf6 Nd5 19. Bh4 f6 20. Bc4 Rd8 21. f3 Be6 22. Bxf6 Rd7 23. 0-0-0 Nxf6 24. Bxe6 Rdxg7 25. Bxg8 Nxh7 26. Bxh7 Rxh7 27. Nh3 Ke7 28. Nf4 Ne5 29. Rd5 Kf6 30. Rd6+ Kf5 31. Nh3 Nxf3 1/2-1/2

[Event "EU-ch U21 prel"]
[Site "Groningen"]
[Date "1972.12.22"]
[Round "5"]
[White "Ott, Roland"]
[Black "Keller, Wolfgang"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "81"]
[EventDate "1972.12.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. e5 dxe5 7. dxe5 Qxd1+ 8. Kxd1 Rd8+ 9. Ke1 Ne8 10. Bc4 h6 11. Be3 Nc6 12. h3 Bf8 13. Ke2 Nb4 14. Bb3 c6 15. Rad1 Bf5 16. Nd4 Ng7 17. g4 Bd7 18. Rhg1 c5 19. Ndb5 b6 20. a3 Nc6 21. Bd5 a6 22. Nc7 Ra7 23. N7b5 axb5 24. Bxc6 Ne6 25. Bxd7 Raxd7 26. Rxd7 Rxd7 27. Nxb5 g5 28. f5 Nd8 29. h4 gxh4 30. g5 h5 31. g6 fxg6 32. Rxg6+ Kh7 33. Rxb6 Rd5 34. Bf4 Bg7 35. c4 Rd7 36. e6 Rb7 37. Rxb7 Nxb7 38. b4 cxb4 39. axb4 Bb2 40. c5 Nd8 41. Na7 1-0

[Event "EU-ch U21 prel"]
[Site "Groningen"]
[Date "1972.12.21"]
[Round "4"]
[White "Ott, Roland"]
[Black "Buchal, Stephan"]
[Result "0-1"]
[ECO "A56"]
[PlyCount "110"]
[EventDate "1972.12.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Bd3 0-0 7. Nge2 Nbd7 8. Ng3 Ne8 9. h4 g6 10. h5 Bg5 11. Qg4 Bxc1 12. Rxc1 Ng7 13. h6 Ne8 14. Kd2 a6 15. Kc2 Nc7 16. Nf5 Nf6 17. Qg5 Nfxd5 18. Qxd8 Nb4+ 19. Kd2 Rxd8 20. Ne7+ Kf8 21. Nxc8 Raxc8 22. Ra1 Rb8 23. b3 Nc6 24. Rab1 b6 25. Nd1 b5 26. Ne3 Nd4 27. f3 b4 28. Bc2 Na8 29. Nd5 Nb6 30. Nxb6 Rxb6 31. Ra1 Ke7 32. a4 f5 33. Rab1 Rbb8 34. Bd3 Rg8 35. Ke3 f4+ 36. Kf2 g5 37. Be2 g4 38. Bd1 g3+ 39. Ke1 Rg6 40. Kd2 Rf8 41. Bc2 Rff6 42. Rh4 Rxh6 43. Rbh1 Rxh4 44. Rxh4 h6 45. Bd1 Kf7 46. Ke1 Kg7 47. Kf1 Rg6 48. Rh5 Ne6 49. Kg1 Rg5 50. Rh4 Nd4 51. Kf1 Kg6 52. Kg1 Rh5 53. Rg4+ Kf7 54. a5 Rh2 55. Kf1 Rh1# 0-1

[Event "EU-ch U21 prel"]
[Site "Groningen"]
[Date "1972.12.20"]
[Round "3"]
[White "Auchenberg, Per"]
[Black "Ott, Roland"]
[Result "0-1"]
[ECO "B86"]
[PlyCount "80"]
[EventDate "1972.12.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 a6 7. a3 Be7 8. Ba2 0-0 9. 0-0 b5 10. f4 Bb7 11. Qf3 Nbd7 12. f5 e5 13. Nde2 a5 14. Be3 b4 15. axb4 axb4 16. Nd5 Nxd5 17. exd5 Ra5 18. Bb3 Nc5 19. Bxc5 Rxc5 20. Ng3 Ra5 21. Rad1 Ba6 22. Rfe1 Bh4 23. Re4 Bxg3 24. Qxg3 Qb6+ 25. Kh1 f6 26. Rh4 Rb8 27. Qh3 h6 28. Qg3 Kf8 29. Qg6 Qe3 30. Rg4 Qa7 31. Rg3 Be2 32. Re1 Ra1 33. Qxg7+ Qxg7 34. Rxa1 Qd7 35. h3 Bh5 36. Ra6 Qxf5 37. Rxd6 Qf1+ 38. Kh2 Qf4 39. Rd7 Bf7 40. Ra7 e4 0-1

[Event "EU-ch U21 prel"]
[Site "Groningen"]
[Date "1972.12.19"]
[Round "2"]
[White "Ott, Roland"]
[Black "Marjanovic, Slavoljub"]
[Result "0-1"]
[ECO "E92"]
[PlyCount "60"]
[EventDate "1972.12.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. Be3 Qe7 8. d5 a5 9. Nd2 Nbd7 10. a3 c5 11. dxc6 bxc6 12. b4 axb4 13. axb4 Bb7 14. 0-0 d5 15. cxd5 cxd5 16. Nxd5 Bxd5 17. exd5 Rxa1 18. Qxa1 Nxd5 19. Qa7 Nxe3 20. fxe3 Qd6 21. Nc4 Qc6 22. Rd1 Nf6 23. Nxe5 Qc2 24. Bf3 Ne4 25. Qe7 Bf6 26. Qb7 Nc3 27. Ng4 Nxd1 28. Qd5 Bg7 29. Bxd1 Qc3 30. h3 h5 0-1

[Event "EU-ch U21 prel"]
[Site "Groningen"]
[Date "1972.12.18"]
[Round "1"]
[White "Raaste, Eero J"]
[Black "Ott, Roland"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "70"]
[EventDate "1972.12.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nf6 4. g3 Nc6 5. Bg2 Be7 6. 0-0 0-0 7. Nbd2 d6 8. Re1 Rb8 9. c3 b5 10. d4 d5 11. e5 Nd7 12. Nf1 b4 13. h4 bxc3 14. bxc3 cxd4 15. cxd4 a5 16. N1h2 Ba6 17. Ng4 Nb6 18. Bg5 Bc4 19. Qc1 Nb4 20. Qd2 Bxg5 21. hxg5 Na4 22. Bf1 Qc7 23. Nf6+ gxf6 24. gxf6 Kh8 25. Qh6 Rg8 26. Bxc4 Qxc4 27. Ng5 Rxg5 28. Qxg5 Rg8 29. Qh4 Nc2 30. Rec1 Qe2 31. Rab1 Qd3 32. Rb7 Nxd4 33. Qh6 Ne2+ 34. Kh2 Qf3 35. Rf1 Nxg3 0-1

[Event "Arosa U20"]
[Site "Arosa"]
[Date "1972.??.??"]
[Round "9"]
[White "Bassler, Markus"]
[Black "Ott, Roland"]
[Result "1/2-1/2"]
[ECO "D11"]
[PlyCount "172"]
[EventDate "1972.04.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bg4 4. Bg2 Nbd7 5. c4 c6 6. b3 e6 7. 0-0 Be7 8. Bb2 0-0 9. Nc3 Rc8 10. Re1 Qc7 11. Qd2 Bb4 12. a3 Ne4 13. Qc1 Bxc3 14. Bxc3 Nxc3 15. Qxc3 Bxf3 16. Bxf3 Nf6 17. Rec1 Qd7 18. e3 Rfd8 19. c5 g6 20. b4 Kg7 21. a4 a6 22. Qb2 Ra8 23. Rcb1 Ra7 24. b5 axb5 25. axb5 Rda8 26. Be2 Rxa1 27. Rxa1 Rxa1+ 28. Qxa1 Qc8 29. Qa7 cxb5 30. Bxb5 Ng8 31. Qb6 Ne7 32. Qd6 Nc6 33. Kg2 f6 34. Bxc6 bxc6 35. Qe7+ Kg8 36. Qxf6 Qd7 37. Qe5 Qe8 38. Qd6 Kg7 39. Qc7+ Kg8 40. g4 Kh8 41. h4 Kg8 42. Kg3 h6 43. Qe5 Kh7 44. Qf6 Kg8 45. Qe5 Kh7 46. h5 gxh5 47. Qxh5 Qe7 48. f4 Kg7 49. g5 hxg5 50. Qxg5+ Kf7 51. Kg4 Qb7 52. Kh5 Qb1 53. Kh6 Qh1+ 54. Qh5+ Qxh5+ 55. Kxh5 Kf6 56. Kg4 Kg6 57. Kg3 Kf5 58. Kf3 Kf6 59. Ke2 Kf7 60. Kd3 Ke7 61. Kc3 Kd7 62. Kd3 Ke7 63. Ke2 Kf6 64. Kf2 Kf5 65. Kf3 Kf6 66. Kg3 Kg6 67. Kg4 Kf6 68. f5 exf5+ 69. Kf4 Ke6 70. Kg5 Ke7 71. Kxf5 Kf7 72. Kf4 Kf6 73. Kf3 Kf7 74. Kg3 Ke7 75. Kg4 Ke6 76. Kg5 Ke7 77. Kh5 Kf7 78. Kg4 Ke6 79. Kg5 Ke7 80. Kf5 Kf7 81. e4 dxe4 82. Kxe4 Ke6 83. Ke3 Ke7 84. Kf4 Kf6 85. Kf3 Ke7 86. Ke3 Kf7 1/2-1/2

[Event "Arosa U20"]
[Site "Arosa"]
[Date "1972.??.??"]
[Round "5"]
[White "Niklasson, Christer"]
[Black "Ott, Roland"]
[Result "1/2-1/2"]
[ECO "D25"]
[PlyCount "31"]
[EventDate "1972.04.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nbd2 a6 7. a3 c5 8. dxc5 Bxc5 9. b4 Be7 10. 0-0 0-0 11. Bb2 b5 12. Be2 Nbd7 13. Nd4 Bxe2 14. Qxe2 Qb6 15. Rac1 Rac8 16. e4 1/2-1/2

[Event "Arosa U20"]
[Site "Arosa"]
[Date "1972.??.??"]
[Round "10"]
[White "Ott, Roland"]
[Black "Herzog, Adolf"]
[Result "0-1"]
[ECO "A78"]
[PlyCount "64"]
[EventDate "1972.04.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 0-0 9. 0-0 Re8 10. Nd2 Na6 11. a4 Nb4 12. f3 b6 13. Kh1 Nh5 14. Nc4 Qh4 15. Kg1 Ba6 16. Nb5 Bxb5 17. axb5 f5 18. Be3 fxe4 19. Qd2 exf3 20. Rxf3 Be5 21. Nxe5 Rxe5 22. Bh6 Ng7 23. Bf4 Re4 24. Bxd6 Rd4 25. Rxa7 Re8 26. Qc3 Nxd5 27. Bc4 Re1+ 28. Rf1 Rxf1+ 29. Kxf1 Qf6+ 30. Ke1 Qxd6 31. Ra8+ Kf7 32. Qf3+ Nf5 0-1

[Event "Arosa U20"]
[Site "Arosa"]
[Date "1972.??.??"]
[Round "1"]
[White "Ott, Roland"]
[Black "Kaenel, Hansjuerg"]
[Result "0-1"]
[ECO "A59"]
[PlyCount "67"]
[EventDate "1972.04.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 Bxf1 8. Kxf1 g6 9. g3 Bg7 10. Kg2 Nbd7 11. Nf3 0-0 12. Qc2 Qb6 13. h3 Rfb8 14. Rb1 Rb7 15. Be3 Qa6 16. b3 Ne8 17. Nd2 Ne5 18. a4 Nc7 19. Rhd1 Rab8 20. f4 Qd3 21. Qxd3 Nxd3 22. Na2 f5 23. Kf3 fxe4+ 24. Kxe4 Nb4 25. Nxb4 Rxb4+ 26. Kd3 Nxd5 27. Rdc1 R4b7 28. Rc4 Nb4+ 29. Ke2 Nc6 30. Re4 Kf7 31. Bf2 d5 32. Re3 Nd4+ 33. Kd1 c4 34. Kc1 0-1

[Event "Arosa U20"]
[Site "Arosa"]
[Date "1972.??.??"]
[Round "6"]
[White "Ott, Roland"]
[Black "Kristiansen, Jens"]
[Result "0-1"]
[ECO "A89"]
[PlyCount "60"]
[EventDate "1972.04.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 f5 4. g3 Nf6 5. Bg2 0-0 6. Nf3 d6 7. 0-0 Nc6 8. d5 Na5 9. Qd3 c5 10. Bd2 a6 11. Rac1 Rb8 12. b3 b5 13. cxb5 axb5 14. Nxb5 Ba6 15. a4 Ne4 16. b4 Nxd2 17. Nxd2 cxb4 18. e4 f4 19. Rb1 Bc3 20. gxf4 Qd7 21. Rfc1 Qg4 22. Nc4 Nxc4 23. Qxc4 Qxf4 24. Rc2 Be5 25. Qxb4 Qxh2+ 26. Kf1 Rf4 27. Qb3 Rbf8 28. Re1 Bd4 29. Ree2 Qh4 30. f3 Bxb5 0-1

[Event "Arosa U20"]
[Site "Arosa"]
[Date "1972.??.??"]
[Round "8"]
[White "Ott, Roland"]
[Black "Ogaard, Leif"]
[Result "0-1"]
[ECO "B19"]
[PlyCount "62"]
[EventDate "1972.04.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bf4 Qa5+ 12. c3 Ngf6 13. Ne5 Nxe5 14. Bxe5 0-0-0 15. Qe2 Be7 16. 0-0 Qa4 17. Rfe1 c5 18. b3 Qc6 19. dxc5 Bxc5 20. c4 Rd7 21. Rad1 Rhd8 22. Rxd7 Qxd7 23. Ne4 Nxe4 24. Qxe4 Qd2 25. Re2 Qc1+ 26. Kh2 Qg5 27. Qf3 f6 28. Bc3 Bd4 29. Bd2 Be5+ 30. Rxe5 Qxe5+ 31. Bf4 Qf5 0-1

[Event "Arosa U20"]
[Site "Arosa"]
[Date "1972.??.??"]
[Round "3"]
[White "Ott, Roland"]
[Black "Van de Wynkele, Herman"]
[Result "1/2-1/2"]
[ECO "A40"]
[PlyCount "80"]
[EventDate "1972.04.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Qd5 h6 5. e3 g6 6. b3 Bg7 7. Bb2 b6 8. Ba3 Qe6 9. Qxe6+ dxe6 10. Bb5 Bd7 11. Bxc6 Bxc6 12. Nbd2 Ne7 13. 0-0 g5 14. Bb2 0-0-0 15. Rad1 Rd7 16. Nc4 Bd5 17. Nfd2 Rhd8 18. Rc1 b5 19. Na3 Bxg2 20. Kxg2 Rxd2 21. Nxb5 Nf5 22. Rfe1 Nh4+ 23. Kg3 R2d5 24. a4 a6 25. Na3 Bxe5+ 26. Bxe5 Rxe5 27. Rcd1 Rf5 28. Rxd8+ Kxd8 29. f4 Ng6 30. Rf1 gxf4+ 31. exf4 Rd5 32. Nc4 Ke7 33. Ne3 Rd2 34. f5 Ne5 35. Rf2 Rxf2 36. Kxf2 exf5 37. Nxf5+ Kf6 38. Ne3 Ke6 39. Kg3 Nd7 40. Kf4 Nf6 1/2-1/2

[Event "Arosa U20"]
[Site "Arosa"]
[Date "1972.??.??"]
[Round "4"]
[White "Ott, Roland"]
[Black "Van den Berg, Imme Pieter"]
[Result "1/2-1/2"]
[ECO "D18"]
[PlyCount "38"]
[EventDate "1972.04.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Nh4 Nbd7 10. Nxf5 exf5 11. Qc2 g6 12. Qb3 Qe7 13. Rd1 Nb6 14. Bd2 Nxc4 15. Qxc4 Rad8 16. Ne4 Bxd2 17. Nxf6+ Qxf6 18. Rxd2 Rfe8 19. Qb4 Qe7 1/2-1/2

[Event "Arosa U20"]
[Site "Arosa"]
[Date "1972.??.??"]
[Round "11"]
[White "Santos, Luis M"]
[Black "Ott, Roland"]
[Result "0-1"]
[ECO "B80"]
[PlyCount "38"]
[EventDate "1972.04.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bd3 Nc6 7. Nb3 Be7 8. Qe2 0-0 9. Bd2 a6 10. a4 Bd7 11. f4 Qc7 12. g4 Be8 13. h4 Nd7 14. g5 Nc5 15. Nxc5 dxc5 16. e5 c4 17. Be4 Nd4 18. Qh5 f5 19. Nd5 Qd8 0-1

[Event "Arosa U20"]
[Site "Arosa"]
[Date "1972.??.??"]
[Round "4"]
[White "Saverymuttu, Seth"]
[Black "Ott, Roland"]
[Result "1/2-1/2"]
[ECO "B87"]
[PlyCount "50"]
[EventDate "1972.04.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 a6 7. Bb3 b5 8. 0-0 Be7 9. f4 0-0 10. Be3 Bb7 11. e5 dxe5 12. fxe5 Nd5 13. Bxd5 Bxd5 14. Nxd5 Qxd5 15. Nf5 Nc6 16. Qxd5 exd5 17. Rad1 Rad8 18. Nxe7+ Nxe7 19. Bc5 Rfe8 20. Bd6 Rd7 21. Rd3 h6 22. g4 Rc8 23. c3 Nc6 24. Rfd1 Rcd8 25. Rxd5 Nxe5 1/2-1/2

[Event "Arosa U20"]
[Site "Arosa"]
[Date "1972.??.??"]
[Round "2"]
[White "Schauwecker, Meinrad"]
[Black "Ott, Roland"]
[Result "1-0"]
[ECO "E14"]
[PlyCount "54"]
[EventDate "1972.04.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 d5 6. 0-0 Bd6 7. b3 Nbd7 8. Bb2 0-0 9. Qe2 c5 10. Nc3 dxc4 11. bxc4 Rc8 12. Rad1 cxd4 13. exd4 Re8 14. Ne5 Qe7 15. Qe3 Nf8 16. Rfe1 Bxe5 17. dxe5 N6d7 18. Nb5 Red8 19. Ba3 Nc5 20. Nxa7 Ra8 21. Nb5 Bc6 22. Bxc5 bxc5 23. Bb1 Bxb5 24. cxb5 Rdb8 25. Qb3 Ra5 26. a4 Rba8 27. Be4 Rb8 1-0

