[Event "Haarlem AKN op 09th"]
[Site "Haarlem"]
[Date "2000.07.02"]
[Round "5"]
[White "Groot, Simon"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "C02"]
[BlackElo "2244"]
[PlyCount "47"]
[EventDate "2000.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Bd3 cxd4 7. cxd4 Bd7 8. Nc3 Nxd4 9. Nxd4 Qxd4 10. 0-0 Qxe5 11. Re1 Qb8 12. Nxd5 Bd6 13. Qg4 Kf8 14. Bd2 h5 15. Qh3 Bc6 16. Ne3 Nf6 17. Bc3 Rh6 18. Nc4 Bc7 19. Qh4 b5 20. Ne5 Bd5 21. Qg5 Qe8 22. Re3 h4 23. Ng4 Rh5 24. Bb4+ 1-0

[Event "Haarlem AKN op 09th"]
[Site "Haarlem"]
[Date "2000.07.02"]
[Round "6"]
[White "Jolles, Hajo"]
[Black "Beugelink, Erik"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2244"]
[PlyCount "44"]
[EventDate "2000.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. Bg5 Qb6 5. a4 b4 6. Nbd2 Nxd5 7. e4 Nc7 8. Bc4 d6 9. 0-0 Nc6 10. Re1 Bg4 11. h3 Bh5 12. g4 Bg6 13. Bf4 0-0-0 14. b3 e6 15. Bb5 Nxb5 16. Nc4 Qb8 17. axb5 Qxb5 18. Qe2 Kb8 19. Rad1 e5 20. Ncxe5 Qxe2 21. Nxc6+ Kc7 22. Rxe2 Kxc6 1/2-1/2

[Event "Haarlem AKN op 09th"]
[Site "Haarlem"]
[Date "2000.07.01"]
[Round "4"]
[White "Jolles, Hajo"]
[Black "Blees, Albert"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2244"]
[BlackElo "2402"]
[PlyCount "82"]
[EventDate "2000.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 c6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Bf5 5. b3 e6 6. d3 Nbd7 7. Bb2 h6 8. Nbd2 a5 9. a3 Qb8 10. 0-0 Bh7 11. Re1 Bc5 12. d4 Bd6 13. Rc1 0-0 14. Nb1 Re8 15. Nc3 Qa7 16. e3 Rad8 17. Qe2 Qb8 18. Red1 Ne4 19. Nxe4 Bxe4 20. Nd2 Bxg2 21. Kxg2 f5 22. f4 Nf6 23. Nf3 Re7 24. Qe1 Qa8 25. a4 Ne4 26. Bc3 Bc7 27. Ne5 Kh7 28. h4 Rg8 29. Qe2 Qe8 30. Rh1 g6 31. Be1 Kg7 32. Rb1 Kh8 33. b4 axb4 34. Rxb4 Bxe5 35. dxe5 c5 36. Rb6 Qxa4 37. Qb2 dxc4 38. Rxb7 c3 39. Bxc3 Rxb7 40. Qxb7 Qc2+ 41. Kh3 Nf2+ 0-1

[Event "Haarlem AKN op 09th"]
[Site "Haarlem"]
[Date "2000.07.01"]
[Round "3"]
[White "Snieder, Nico"]
[Black "Jolles, Hajo"]
[Result "0-1"]
[ECO "B06"]
[BlackElo "2244"]
[PlyCount "104"]
[EventDate "2000.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. f4 g6 2. e4 Bg7 3. d4 d6 4. Nf3 c5 5. c3 b6 6. Bb5+ Nd7 7. 0-0 Bb7 8. e5 a6 9. Bc4 d5 10. Bd3 e6 11. Qe1 h5 12. Nh4 Ne7 13. Qg3 Bf8 14. Nd2 Nf5 15. Bxf5 gxf5 16. Ndf3 Bh6 17. Ng5 Qe7 18. Bd2 0-0-0 19. Nhf3 Kb8 20. Qh4 Bf8 21. Rfe1 Ka8 22. a4 Rc8 23. Rac1 c4 24. Rb1 Bc6 25. a5 bxa5 26. b4 cxb3 27. Rxb3 Bb5 28. Reb1 Rb8 29. Qf2 a4 30. R3b2 Nb6 31. Ra2 Qc7 32. Qe1 Rb7 33. Bc1 Qc4 34. Rba1 Rc7 35. Bb2 Qc6 36. Nd2 Ka7 37. Ngf3 Be7 38. Qc1 Rhc8 39. h3 Bd3 40. Ne1 Bc4 41. Ba3 Bxa2 42. Bxe7 Rxe7 43. Qa3 Rec7 44. Rxa2 Qxc3 45. Qd6 Qe3+ 46. Kf1 Qxd4 47. g3 Nc4 48. Nxc4 Qxc4+ 49. Re2 Qc5 50. Rc2 Qxd6 51. exd6 Rxc2 52. Nxc2 Rd8 0-1

[Event "Haarlem AKN op 09th"]
[Site "Haarlem"]
[Date "2000.06.30"]
[Round "1"]
[White "Jolles, Hajo"]
[Black "Kent, Dave"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2244"]
[PlyCount "37"]
[EventDate "2000.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Nf6 3. e4 d6 4. d4 Be7 5. f4 0-0 6. Nf3 c5 7. e5 dxe5 8. fxe5 cxd4 9. exf6 Bxf6 10. Ne4 e5 11. Bd3 Be7 12. 0-0 f5 13. Nxe5 fxe4 14. Bxe4 Rxf1+ 15. Qxf1 Qf8 16. Bd5+ Kh8 17. Nf7+ Kg8 18. Qd3 g6 19. Bh6 1-0

[Event "Haarlem AKN op 08th"]
[Site "Haarlem"]
[Date "1999.07.04"]
[Round "5"]
[White "Jolles, Hajo"]
[Black "Bouwens, Harko"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2253"]
[PlyCount "63"]
[EventDate "1999.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Bb4 3. Qb3 a5 4. a3 Bxc3 5. Qxc3 Nf6 6. b3 d6 7. d4 Ne4 8. Qc2 f5 9. Nh3 Nc6 10. e3 0-0 11. d5 Ne5 12. Bb2 c6 13. dxe6 Bxe6 14. Nf4 Bd7 15. Be2 Qe7 16. 0-0 Rf6 17. b4 Rh6 18. f3 Nf6 19. Bd3 axb4 20. axb4 Rxa1 21. Rxa1 Nxf3+ 22. gxf3 Qxe3+ 23. Qf2 Qxf4 24. Ra8+ Kf7 25. Ra7 Rh3 26. Rxb7 Rxf3 27. Qe2 Re3 28. Qf1 Qg4+ 29. Kh1 Qh4 30. Bc3 Rh3 31. Qe2 Qf4 32. Bxf6 1/2-1/2

[Event "Haarlem AKN op 08th"]
[Site "Haarlem"]
[Date "1999.07.04"]
[Round "6"]
[White "Van Egmond, Enrico"]
[Black "Jolles, Hajo"]
[Result "0-1"]
[ECO "A41"]
[BlackElo "2253"]
[PlyCount "82"]
[EventDate "1999.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Bg4 3. e4 Nf6 4. Bd3 Nbd7 5. Be3 e6 6. Nbd2 Be7 7. c3 Bh5 8. h3 Bg6 9. Nh4 Nd5 10. Nf5 exf5 11. exf5 Nxe3 12. fxe3 Bh4+ 13. Kf1 Qe7 14. Qf3 0-0 15. Kg1 Bh5 16. g4 d5 17. Rh2 Nf6 18. gxh5 Rfe8 19. Re2 Bg5 20. Rae1 Bh6 21. Kh1 c6 22. Rg2 Qd6 23. e4 dxe4 24. Nxe4 Nxe4 25. Bxe4 Kf8 26. Rg4 Qf6 27. Rf1 Re7 28. Qg2 Rae8 29. Rg1 a6 30. Qf3 Rd7 31. R1g3 Rde7 32. Qg2 Rd7 33. Qc2 Rde7 34. a3 Qd6 35. Rg2 Qf6 36. Qd3 Rd7 37. Qc4 Rde7 38. d5 cxd5 39. Qxd5 b6 40. Rg1 a5 41. Qc6 Rxe4 0-1

[Event "Haarlem AKN op 08th"]
[Site "Haarlem"]
[Date "1999.07.03"]
[Round "3"]
[White "Drel, Nicolai"]
[Black "Jolles, Hajo"]
[Result "0-1"]
[ECO "C06"]
[BlackElo "2253"]
[PlyCount "70"]
[EventDate "1999.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[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 cxd4 9. cxd4 f6 10. exf6 Nxf6 11. 0-0 Bd6 12. b3 0-0 13. Bb2 g6 14. Rc1 Ng4 15. Ng3 Qd8 16. Bb1 Bd7 17. Qe2 Qf6 18. Rce1 Rae8 19. Ne5 Bxe5 20. dxe5 Qh4 21. h3 Nxf2 22. Rxf2 Qxg3 23. Ref1 Rxf2 24. Qxf2 Qxf2+ 25. Rxf2 Rf8 26. Rxf8+ Kxf8 27. Bc3 Kg7 28. b4 a6 29. g4 g5 30. Kf2 Be8 31. Ke3 Bg6 32. Bd3 Bxd3 33. Kxd3 Kf7 34. Bd2 b5 35. Ke3 Ke8 0-1

[Event "Haarlem AKN op 08th"]
[Site "Haarlem"]
[Date "1999.07.02"]
[Round "2"]
[White "Jolles, Hajo"]
[Black "Barsov, Alexei"]
[Result "0-1"]
[ECO "A19"]
[WhiteElo "2253"]
[BlackElo "2539"]
[PlyCount "37"]
[EventDate "1999.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Nf6 3. e4 c5 4. e5 Ng8 5. Nf3 Nc6 6. d4 cxd4 7. Nxd4 Nxe5 8. Ndb5 f6 9. Bf4 a6 10. Nd6+ Bxd6 11. Qxd6 Nf7 12. Qa3 Ne7 13. 0-0-0 0-0 14. g3 Re8 15. Be3 b6 16. f4 Nf5 17. Bg2 Nxe3 18. Bxa8 Nxd1 19. Rxd1 0-1

[Event "Haarlem AKN op 08th"]
[Site "Haarlem"]
[Date "1999.07.02"]
[Round "1"]
[White "Strik, Aart"]
[Black "Jolles, Hajo"]
[Result "0-1"]
[ECO "C15"]
[BlackElo "2253"]
[PlyCount "78"]
[EventDate "1999.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 e6 3. d4 Bb4 4. Bd2 dxe4 5. Qg4 Qxd4 6. 0-0-0 f5 7. Qg3 Bd6 8. Bf4 Bxf4+ 9. Qxf4 Qc5 10. f3 Nf6 11. fxe4 e5 12. Qg5 0-0 13. exf5 h6 14. Qg3 Bxf5 15. h3 Nc6 16. Nf3 Nb4 17. Ne1 Ne4 18. Nxe4 Bxe4 19. Rd7 Rf7 20. Rxf7 Kxf7 21. a3 Nd5 22. Bd3 Bxd3 23. Nxd3 Qe3+ 24. Qxe3 Nxe3 25. g4 Re8 26. Re1 Nc4 27. Re4 Nd6 28. Rxe5 Rxe5 29. Nxe5+ Kf6 30. Nf3 Ne4 31. c4 Nf2 32. Ng1 Kg5 33. Kd2 Kh4 34. Nf3+ Kxh3 35. Nd4 Kxg4 36. Ne6 h5 37. Nxc7 h4 38. Nd5 Kf3 39. Ne3 Ne4+ 0-1

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "De Vreugt, Dennis"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "C19"]
[WhiteElo "2270"]
[BlackElo "2250"]
[PlyCount "47"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Qc7 8. Nf3 b6 9. Bb5+ Bd7 10. Bd3 Nbc6 11. Ba3 Na5 12. 0-0 h6 13. Re1 0-0 14. Nh4 f5 15. exf6 Rxf6 16. Qh5 Nc4 17. Bc1 Raf8 18. Nf3 Nc6 19. Bg5 Be8 20. Qh3 Rxf3 21. gxf3 Bd7 22. Bxh6 gxh6 23. Qxh6 Rf7 24. Kh1 1-0

[Event "Antwerp op"]
[Site "Antwerp"]
[Date "1995.??.??"]
[Round "3"]
[White "Jolles, Hajo"]
[Black "Akesson, Ralf"]
[Result "0-1"]
[ECO "A32"]
[WhiteElo "2265"]
[BlackElo "2465"]
[PlyCount "62"]
[EventDate "1995.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 a6 6. g3 Qc7 7. Qd3 b6 8. Bg2 Bb7 9. e4 d6 10. b3 Nbd7 11. Bb2 Be7 12. 0-0 0-0 13. Kh1 Rfe8 14. f4 Rac8 15. Rae1 Qb8 16. Qe2 Qa8 17. g4 g6 18. g5 Nh5 19. Qg4 Bf8 20. f5 Ne5 21. Qh3 Rcd8 22. fxe6 fxe6 23. Nde2 Bg7 24. Nf4 Nxf4 25. Rxf4 b5 26. Rh4 bxc4 27. Rxh7 Rd7 28. bxc4 Qd8 29. Qh4 Nd3 30. Re3 Qb6 31. Rxd3 Qxb2 0-1

[Event "Antwerp op"]
[Site "Antwerp"]
[Date "1995.??.??"]
[Round "2"]
[White "Jolles, Hajo"]
[Black "Enklaar, Bert F"]
[Result "1-0"]
[ECO "B39"]
[WhiteElo "2265"]
[BlackElo "2400"]
[PlyCount "65"]
[EventDate "1995.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. e4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 e5 10. Bd3 0-0 11. 0-0 d6 12. Qd2 Be6 13. Rfd1 a6 14. b3 f5 15. exf5 gxf5 16. f4 exf4 17. Bxf4 b5 18. Nd5 Qd7 19. Be3 Rae8 20. Rac1 Bf7 21. Bf1 Re4 22. Qf2 Ne6 23. cxb5 f4 24. Bb6 axb5 25. Qh4 Be8 26. Bd3 Bd4+ 27. Bxd4 Rxd4 28. Nf6+ Rxf6 29. Qxf6 Bh5 30. Be2 Rxd1+ 31. Bxd1 Bxd1 32. Rxd1 b4 33. Re1 1-0

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Jolles, Hajo"]
[Black "Goormachtigh, Johan"]
[Result "1/2-1/2"]
[ECO "A65"]
[WhiteElo "2250"]
[BlackElo "2305"]
[PlyCount "120"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Be3 c5 7. Nge2 Nc6 8. d5 Ne5 9. Ng3 e6 10. Be2 exd5 11. cxd5 a6 12. Qd2 b5 13. Bh6 Rb8 14. Bxg7 Kxg7 15. 0-0 c4 16. Kh1 Qb6 17. Rae1 Bd7 18. f4 Neg4 19. e5 dxe5 20. Bxg4 Nxg4 21. fxe5 Rbe8 22. Qf4 f5 23. h3 Nh6 24. e6 Bc8 25. Qe5+ Kg8 26. Qf4 Kg7 27. Qe5+ Kg8 28. Nce2 Bxe6 29. dxe6 Rxe6 30. Qf4 Qe3 31. Qxe3 Rxe3 32. Kg1 Rfe8 33. Kf2 g5 34. Nc3 f4 35. Rxe3 Rxe3 36. Nge2 Nf5 37. Rd1 h5 38. a3 Kg7 39. Rd7+ Kg6 40. Ra7 Re6 41. Nd5 Rd6 42. Nec3 Ng3 43. Kf3 Kf5 44. Rf7+ Kg6 45. Rf8 Nf5 46. Rg8+ Kh6 47. Rb8 Nh4+ 48. Kf2 Kg6 49. Rb6 Rxb6 50. Nxb6 g4 51. Nbd5 Kf5 52. hxg4+ hxg4 53. Nc7 g3+ 54. Kf1 f3 55. gxf3 g2+ 56. Kf2 Nxf3 57. Kxg2 Ne1+ 58. Kf2 Nd3+ 59. Kg3 b4 60. axb4 Nxb4 1/2-1/2

[Event "Donner Memorial op"]
[Site "Amsterdam"]
[Date "1995.??.??"]
[Round "2"]
[White "Jolles, Hajo"]
[Black "Knoppert, Erik"]
[Result "0-1"]
[ECO "B39"]
[WhiteElo "2265"]
[BlackElo "2400"]
[PlyCount "77"]
[EventDate "1995.08.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 g6 2. e4 Bg7 3. d4 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Rc1 0-0 11. Be2 b6 12. 0-0 Bb7 13. f3 f5 14. exf5 gxf5 15. b4 Kh8 16. Nd5 f4 17. Bf2 Be5 18. Re1 d6 19. Bf1 Rf5 20. Bh4 Rf7 21. Bf2 Rc8 22. Qa4 Ra8 23. Rcd1 Qc8 24. Rxe5 dxe5 25. Re1 Qb8 26. Qd7 Nf8 27. Qg4 Qd6 28. Qh5 Ng6 29. Bd3 Bxd5 30. cxd5 Rg8 31. Be4 Rfg7 32. Rc1 Nf8 33. Rc6 Rxg2+ 34. Kf1 R2g5 35. Qh3 Qxb4 36. Rc8 Ng6 37. Rxg8+ Kxg8 38. Qe6+ Kf8 39. Qc8+ 0-1

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Jolles, Hajo"]
[Black "Spoeltman, Willem"]
[Result "1-0"]
[ECO "E88"]
[WhiteElo "2250"]
[PlyCount "57"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Bd3 cxd5 9. cxd5 a6 10. Nge2 b5 11. b4 Bd7 12. a4 bxa4 13. Nxa4 Bxa4 14. Qxa4 Nh5 15. Rc1 f5 16. 0-0 Nd7 17. Rc6 fxe4 18. Bxe4 Ndf6 19. Nc3 Nf4 20. g3 N4h5 21. Rxa6 Rxa6 22. Qxa6 Qd7 23. Kg2 Rc8 24. Rc1 Bf8 25. b5 Nxe4 26. Nxe4 Rxc1 27. Bxc1 Qc7 28. Qc6 Qa5 29. Bd2 1-0

[Event "Antwerp op"]
[Site "Antwerp"]
[Date "1995.??.??"]
[Round "5"]
[White "Jolles, Hajo"]
[Black "Van Wely, Loek"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "2265"]
[BlackElo "2585"]
[PlyCount "64"]
[EventDate "1995.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 g6 2. e4 Bg7 3. d4 d6 4. Nc3 Nf6 5. f3 0-0 6. Be3 Nbd7 7. Bd3 c5 8. Nge2 a6 9. 0-0 e6 10. Qd2 Qc7 11. Rac1 b6 12. Nd1 Bb7 13. d5 Ne5 14. Bb1 b5 15. b3 bxc4 16. bxc4 a5 17. Bh6 Bxh6 18. Qxh6 Ba6 19. Ne3 Qe7 20. Rc3 Nxc4 21. dxe6 Nd2 22. Ng3 fxe6 23. Rd1 Nxb1 24. Rxb1 d5 25. e5 Nd7 26. Ng4 Rab8 27. Rcb3 Rb4 28. a3 Rxb3 29. Rxb3 c4 30. Rb1 c3 31. h4 Qg7 32. Qg5 h5 0-1

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Marcus, Joost"]
[Black "Jolles, Hajo"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "2300"]
[BlackElo "2250"]
[PlyCount "83"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Bg4 3. c4 Nd7 4. e4 e5 5. d5 Be7 6. Be2 Bxf3 7. Bxf3 Bg5 8. Nc3 Bxc1 9. Rxc1 Nh6 10. 0-0 0-0 11. b4 g6 12. Qd2 Kg7 13. Bd1 Qe7 14. Bc2 f6 15. Qe3 a5 16. a3 axb4 17. axb4 Ra3 18. Ra1 Rfa8 19. Rxa3 Rxa3 20. Qd2 Nb6 21. Bd3 Rb3 22. Rb1 Rxb1+ 23. Nxb1 f5 24. exf5 gxf5 25. g3 e4 26. Be2 Nf7 27. Nc3 Ne5 28. Qd4 Qf6 29. Nb5 Nexc4 30. Qd1 Qe7 31. Bxc4 Nxc4 32. Qc1 Ne5 33. Nxc7 Nf3+ 34. Kg2 Qe5 35. Ne6+ Kg6 36. Kh3 h6 37. Kg2 Ng5 38. Nf4+ Kf6 39. Qc8 Nf7 40. Qxb7 e3 41. fxe3 Qe4+ 42. Kf2 1/2-1/2

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Prakken, Gerrit"]
[Black "Jolles, Hajo"]
[Result "1/2-1/2"]
[ECO "A53"]
[WhiteElo "2220"]
[BlackElo "2250"]
[PlyCount "94"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. c4 Bg4 4. e3 Nbd7 5. Nc3 e5 6. Be2 Be7 7. 0-0 0-0 8. b4 c6 9. a4 Re8 10. Bb2 e4 11. Nd2 Bxe2 12. Qxe2 d5 13. Ba3 a6 14. h3 Bd6 15. b5 Bxa3 16. Rxa3 axb5 17. cxb5 c5 18. Nb3 c4 19. Na1 Ra5 20. Nc2 Nb6 21. f4 exf3 22. Qxf3 Qd6 23. Qf5 h6 24. Ra2 Qe6 25. Qf4 Qe7 26. Qf5 Qe6 27. Qf4 Qe7 28. Qf5 Rea8 29. Rfa1 Ne4 30. Nxd5 Nxd5 31. Qxd5 Nc3 32. Qxc4 Nxa2 33. Rxa2 Qe6 34. d5 Rc8 35. Qd4 Qd6 36. Qd2 Qb6 37. Nd4 Rc4 38. Nf5 Rcxa4 39. Rxa4 Rxa4 40. Qb2 f6 41. d6 Ra8 42. Qb3+ Kh7 43. Qf7 Rg8 44. d7 Qc7 45. Ne7 Rd8 46. Qg6+ Kh8 47. Qe8+ Kh7 1/2-1/2

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Sziva, Erika"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2260"]
[BlackElo "2250"]
[PlyCount "101"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Bd3 c4 9. Bf1 Qa5 10. Bd2 Nf5 11. f4 Bd7 12. Qd1 h5 13. g3 Nc6 14. Nf3 f6 15. Bh3 0-0-0 16. 0-0 Kb8 17. Re1 Nce7 18. Re2 Rc8 19. Qe1 Rc6 20. Bg2 Qd8 21. h3 Qe8 22. g4 hxg4 23. hxg4 Nh6 24. f5 Nxg4 25. Qg3 Nxf5 26. Qxg4 Rb6 27. Rae1 Rb2 28. Bf4 Ka8 29. Bh2 Ra2 30. Bh3 Nh6 31. Qg2 f5 32. Bf4 Rxa3 33. Bd2 Ba4 34. Qg3 Ra2 35. Rg2 Rxc2 36. Qxg7 Ng4 37. Bxg4 Rg8 38. Qxg8 Qxg8 39. Bxf5 Qe8 40. Bxc2 Bxc2 41. Kf2 a5 42. Ra1 a4 43. Bc1 Ka7 44. Ba3 Ka6 45. Rg7 Bf5 46. Bb4 b6 47. Re7 Qh5 48. Bc5 Kb5 49. Ra2 bxc5 50. Rb2+ Ka6 51. dxc5 1-0

[Event "NED-chT 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "5"]
[White "Hoogendoorn, Joost"]
[Black "Jolles, Hajo"]
[Result "1/2-1/2"]
[ECO "C18"]
[BlackElo "2250"]
[PlyCount "43"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. h4 b6 8. h5 h6 9. Qg4 Kf8 10. Rh3 Ba6 11. Qf4 Bxf1 12. Kxf1 Nd7 13. Nf3 Rc8 14. a4 Kg8 15. Nh4 cxd4 16. cxd4 Rxc2 17. Rf3 Qe8 18. Ba3 Nc6 19. Rg3 Rc4 20. Rxg7+ Kxg7 21. Qg3+ Kh7 22. Qd3+ 1/2-1/2

[Event "NED-chT 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "3"]
[White "Jolles, Hajo"]
[Black "Bor, Willem"]
[Result "1/2-1/2"]
[ECO "A87"]
[WhiteElo "2250"]
[PlyCount "47"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. Nc3 d6 7. d4 Qe8 8. d5 Na6 9. Rb1 Nc5 10. Nd4 Qf7 11. b4 Nce4 12. Bb2 a5 13. Ncb5 e5 14. dxe6 Qe7 15. a3 c6 16. Nc3 axb4 17. axb4 Bxe6 18. Nxe4 Nxe4 19. Bxe4 fxe4 20. Nxe6 Qxe6 21. Bxg7 Kxg7 22. Qd4+ Kg8 23. Ra1 d5 24. cxd5 1/2-1/2

[Event "NED-chT 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "4"]
[White "Jolles, Hajo"]
[Black "Lindner, Jan Joost"]
[Result "1/2-1/2"]
[ECO "A27"]
[WhiteElo "2250"]
[PlyCount "26"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Bg5 Be7 6. Bxe7 Ngxe7 7. Ng1 d5 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. e3 Be6 11. Ne2 Ne7 12. Nf4 Qa5+ 13. Qd2 Qxd2+ 1/2-1/2

[Event "NED-chT 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "8"]
[White "Jolles, Hajo"]
[Black "Oei, Hway Ik"]
[Result "0-1"]
[ECO "A32"]
[WhiteElo "2250"]
[BlackElo "2255"]
[PlyCount "122"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 a6 6. g3 Qc7 7. Qd3 b6 8. Bg2 Bb7 9. e4 d6 10. b3 Nbd7 11. Bb2 Be7 12. 0-0 0-0 13. Rad1 Rfe8 14. Rfe1 Bf8 15. h3 Rad8 16. g4 Ne5 17. Qg3 Nfd7 18. Kh1 Ng6 19. h4 Nf6 20. Nde2 Ne5 21. g5 Nh5 22. Qh3 g6 23. f4 Nd7 24. Bf3 Ng7 25. h5 Nxh5 26. Bxh5 gxh5 27. Ng3 Bg7 28. Nxh5 Bh8 29. Na4 b5 30. Nf6+ Bxf6 31. Bxf6 Nxf6 32. gxf6 Kh8 33. Rd2 Qa5 34. Nc3 bxc4 35. Rh2 Qf5 36. Qh4 Rg8 37. bxc4 Rg4 38. Qh6 Rdg8 39. Rh5 Qg6 40. Qxg6 fxg6 41. Rh2 Rxf4 42. Rb2 Bc6 43. Rb6 Rc8 44. Rd1 Bxe4+ 45. Nxe4 Rxe4 46. Rbxd6 Rf8 47. Rc1 Rxf6 48. c5 Rff4 49. c6 Rc4 50. Rd8+ Kg7 51. Rd7+ Kh6 52. Rdd1 Rxc1 53. Rxc1 Rf8 54. Rc5 Rc8 55. Kg2 Kg7 56. Kf3 Kf6 57. Ke4 h5 58. Rc1 h4 59. Kd4 g5 60. Kc5 h3 61. Kb6 g4 0-1

[Event "NED-chT 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "6"]
[White "Jolles, Hajo"]
[Black "Tonoli, Walter"]
[Result "1/2-1/2"]
[ECO "A31"]
[WhiteElo "2250"]
[BlackElo "2290"]
[PlyCount "67"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. e4 b6 6. Nc3 Bb7 7. Be2 d6 8. 0-0 Nf6 9. f3 0-0 10. Be3 Nbd7 11. Qd2 Re8 12. Rfd1 Rc8 13. Rac1 a6 14. Nc2 Ne5 15. b3 b5 16. cxb5 Rxc3 17. Qxc3 Nxe4 18. Qe1 Nc3 19. bxa6 Nxd1 20. Qxd1 Ba8 21. b4 d5 22. b5 Nd7 23. Nb4 Nb6 24. Nc6 Bxc6 25. Rxc6 d4 26. Bf2 e5 27. a4 Nd5 28. Bc4 Nb4 29. Bxf7+ Kxf7 30. Qb3+ Nd5 31. Rc5 Ke6 32. Rc6+ Kf7 33. Rc5 Ke6 34. Rc6+ 1/2-1/2

[Event "NED-chT 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "1"]
[White "Jolles, Hajo"]
[Black "Vriend, Wim"]
[Result "1-0"]
[ECO "E87"]
[WhiteElo "2250"]
[PlyCount "95"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Be3 e5 7. d5 Nh5 8. Qd2 f5 9. 0-0-0 a6 10. Kb1 f4 11. Bf2 Bd7 12. Rc1 b6 13. Bd3 a5 14. Bc2 Na6 15. Ba4 Nf6 16. Bxd7 Nxd7 17. Nge2 Ndc5 18. Nb5 Rf7 19. Rcd1 Qe7 20. Nc1 Kh8 21. b3 Bf6 22. Rhf1 Rg7 23. a3 Bh4 24. Bg1 g5 25. b4 axb4 26. axb4 g4 27. Nd3 Nd7 28. Qb2 Bf6 29. Qe2 Rag8 30. Rd2 Ndb8 31. Ra2 Qd7 32. Rc1 h5 33. Rcc2 Kh7 34. Ra3 Kh6 35. Rca2 Qc8 36. Bxb6 gxf3 37. Qxf3 cxb6 38. Nxd6 Qg4 39. Nf5+ Kh7 40. Nxg7 Qxf3 41. gxf3 Rxg7 42. Rxa6 Rg1+ 43. Kc2 Nxa6 44. Rxa6 Rg2+ 45. Kc3 Rxh2 46. c5 h4 47. cxb6 Bd8 48. d6 1-0

[Event "NED-chT 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "7"]
[White "Riemens, Albert"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "C18"]
[BlackElo "2250"]
[PlyCount "115"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 Bd7 12. Qd3 dxc3 13. Nxc3 a6 14. Ne2 Rc8 15. h3 Nf5 16. g4 Nh4 17. Qh7 Nf3+ 18. Kf2 Ne7 19. Kxf3 d4 20. Kf2 Rg6 21. Bd2 Qxc2 22. Bb4 Qe4 23. Qh4 Ng8 24. Bg2 Qe3+ 25. Kf1 Rc2 26. Qf2 Rxe2 27. Qxe3 Rxe3 28. Kf2 Bc6 29. Bxc6+ bxc6 30. Rad1 Rh6 31. h4 Ne7 32. Rxd4 Rb3 33. Bxe7 Kxe7 34. a4 Rh8 35. h5 Rb2+ 36. Kf3 Rb3+ 37. Ke2 Rhb8 38. Rhd1 Rg3 39. g5 Rbb3 40. R4d3 Rb2+ 41. R1d2 Rxd3 42. Kxd3 Rb3+ 43. Ke4 Kf8 44. Rd3 Rb4+ 45. Rd4 Rb1 46. Rc4 Kg7 47. Kd4 Rh1 48. Kc5 Rxh5 49. Kxc6 Rh1 50. Kb6 Kg6 51. Kxa6 Rb1 52. Ka5 Rb8 53. Rb4 Ra8+ 54. Kb5 Rb8+ 55. Kc5 Ra8 56. Kc6 Kf5 57. Kb7 Ra5 58. Kb6 1-0

[Event "NED-chT 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "2"]
[White "Van Doeland, Julius"]
[Black "Jolles, Hajo"]
[Result "1/2-1/2"]
[ECO "A35"]
[WhiteElo "2290"]
[BlackElo "2250"]
[PlyCount "37"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. Nf3 d6 4. d4 e5 5. e4 exd4 6. Nxd4 Nc6 7. Nxc6 bxc6 8. c5 Nf6 9. Be2 0-0 10. cxd6 cxd6 11. 0-0 Re8 12. Bf3 Bb7 13. Bf4 d5 14. exd5 Nxd5 15. Nxd5 cxd5 16. Qb3 Qb6 17. Bxd5 Bxd5 18. Qxd5 Qxb2 19. Rad1 1/2-1/2

[Event "Leeuwarden op"]
[Site "Leeuwarden"]
[Date "1993.??.??"]
[Round "8"]
[White "Costello, Colin"]
[Black "Jolles, Hajo"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "2135"]
[BlackElo "2280"]
[PlyCount "57"]
[EventDate "1993.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. 0-0 Be7 8. d3 0-0 9. a3 Re8 10. Be3 Bf8 11. Ne4 Nd4 12. Rc1 c6 13. Nc5 a5 14. Kh1 a4 15. Nxd4 exd4 16. Bd2 Bxc5 17. Rxc5 Qe7 18. Qc1 Bg4 19. e3 dxe3 20. Bxe3 Be2 21. Rg1 Nd7 22. Rc3 Ne5 23. Qc2 Bh5 24. Bc5 Qf6 25. Bd4 Rad8 26. Rc4 Qd6 27. Bxe5 Rxe5 28. Qxa4 Re2 29. Rf4 1/2-1/2

[Event "Leeuwarden op"]
[Site "Leeuwarden"]
[Date "1993.??.??"]
[Round "2"]
[White "Ellenbroek, Ton"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2125"]
[BlackElo "2280"]
[PlyCount "56"]
[EventDate "1993.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 c5 6. 0-0 c4 7. Re1+ Be7 8. Bf1 Bg4 9. b3 cxb3 10. Ba3 Ne4 11. axb3 Bxa3 12. Rxa3 0-0 13. Nbd2 Nxd2 14. Qxd2 Bxf3 15. gxf3 Nc6 16. f4 Qf6 17. Bg2 Nxd4 18. Re5 Ne6 19. Ra4 b5 20. Ra6 Qh4 21. Qxd5 Rad8 22. Qf3 Rd2 23. Rh5 Qe7 24. Qe3 Rd1+ 25. Bf1 Qb4 26. Rxa7 g6 27. Re5 Qxf4 28. Rb7 Nd4 1-0

[Event "Leeuwarden op"]
[Site "Leeuwarden"]
[Date "1993.??.??"]
[Round "6"]
[White "Grooten, Herman"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2375"]
[BlackElo "2280"]
[PlyCount "111"]
[EventDate "1993.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 d6 6. Nc3 g6 7. e4 Bg7 8. a4 Qxb6 9. a5 Qb4 10. Ra4 Qb7 11. Bc4 Bd7 12. Ra3 Qb4 13. Qd3 0-0 14. Nf3 Bb5 15. Nd2 Nbd7 16. f4 Rfb8 17. b3 Bxc4 18. bxc4 Qb7 19. 0-0 Qc7 20. Nf3 Rb4 21. Re1 Rab8 22. e5 dxe5 23. fxe5 Ng4 24. d6 exd6 25. Nd5 Qd8 26. exd6 Nde5 27. Nxe5 Bxe5 28. Ne7+ Kh8 29. Rxe5 Nxe5 30. Qd5 f6 31. Rc3 Rb1 32. Qxc5 Qd7 33. h3 Rd8 34. Kh2 Qxd6 35. Qxd6 Rxd6 36. c5 Rd7 37. c6 Nxc6 38. Nxc6 Rc7 39. Bh6 Kg8 40. Bf4 Rd7 41. Nb8 Rd4 42. Be3 Ra4 43. Rc8+ Kf7 44. Rc7+ Ke6 45. Bb6 h5 46. Nxa6 Ra2 47. Rc6+ Ke5 48. Bd8 Rf1 49. Nb4 Rd2 50. Bc7+ Kf5 51. a6 h4 52. Nc2 Kg5 53. Rc5+ f5 54. Ne3 Rb1 55. Nd5 Ra2 56. Bf4+ 1-0

[Event "Leeuwarden op"]
[Site "Leeuwarden"]
[Date "1993.??.??"]
[Round "5"]
[White "Jolles, Hajo"]
[Black "Boersma, Jan"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "2280"]
[PlyCount "67"]
[EventDate "1993.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Be3 c5 7. Nge2 Nc6 8. Qd2 Qa5 9. d5 Ne5 10. Ng3 e6 11. Be2 exd5 12. cxd5 a6 13. 0-0 b5 14. Bg5 c4 15. h3 Bd7 16. f4 Nd3 17. Bxd3 cxd3 18. Qxd3 b4 19. Nce2 Rfe8 20. Qf3 Bb5 21. Rf2 Nd7 22. Rd1 h6 23. Bh4 Qb6 24. Rd2 Rac8 25. Kh2 a5 26. Rf1 Bc4 27. Rfd1 a4 28. Nd4 Bxa2 29. Nc6 Bc4 30. Ne7+ Rxe7 31. Bxe7 Re8 32. Bh4 b3 33. Rc1 Bb5 34. Ne2 1/2-1/2

[Event "Leeuwarden op"]
[Site "Leeuwarden"]
[Date "1993.??.??"]
[Round "7"]
[White "Jolles, Hajo"]
[Black "Borek, Jutta"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2280"]
[BlackElo "2095"]
[PlyCount "35"]
[EventDate "1993.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nb4 6. Bb5+ Bd7 7. a3 N4c6 8. d4 cxd4 9. Nxd4 Nxd4 10. Qxd4 Nc6 11. Bxc6 Bxc6 12. Qxd8+ Rxd8 13. Be3 a6 14. Ke2 e6 15. f3 Be7 16. Bb6 Rc8 17. Rhd1 Bf6 18. Bd4 1/2-1/2

[Event "Ghent op 16th"]
[Site "Ghent"]
[Date "1993.??.??"]
[Round "?"]
[White "Jolles, Hajo"]
[Black "Huibers, Peter"]
[Result "1/2-1/2"]
[ECO "A18"]
[WhiteElo "2280"]
[PlyCount "45"]
[EventDate "1993.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Nf6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. d4 b6 8. Be2 Bb7 9. Bf3 Bxf3 10. Nxf3 Bd6 11. Qa4+ c6 12. 0-0 0-0 13. Rb1 Qf5 14. Rxb6 axb6 15. Qxa8 Qd3 16. Qa4 Qxc3 17. Be3 Qb2 18. Qb3 Qxb3 19. axb3 Nd7 20. Ra1 h6 21. Ra7 Rd8 22. g3 Kf8 23. Kg2 1/2-1/2

[Event "Antwerp op"]
[Site "Antwerp"]
[Date "1993.??.??"]
[Round "8"]
[White "Jolles, Hajo"]
[Black "Ruban, Vadim"]
[Result "0-1"]
[ECO "A32"]
[WhiteElo "2280"]
[BlackElo "2590"]
[PlyCount "78"]
[EventDate "1993.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Bb4 6. Ndb5 a6 7. Nd6+ Ke7 8. Bf4 Qb6 9. Qb3 Nc6 10. Rd1 e5 11. Be3 Qa5 12. a3 Bxc3+ 13. bxc3 Nd4 14. Bxd4 exd4 15. Rxd4 Qc5 16. g3 a5 17. Bg2 Ra6 18. Qb5 Qxb5 19. Nxc8+ Rxc8 20. cxb5 Rb6 21. c4 Rd6 22. Rxd6 Kxd6 23. Bxb7 Rxc4 24. Kd2 Kc5 25. Rb1 Kb6 26. Bf3 Rc5 27. a4 Rc4 28. Ra1 d5 29. Kd3 Rb4 30. Kc3 d4+ 31. Kc2 Nd7 32. e3 Nc5 33. exd4 Rxd4 34. Re1 Rxa4 35. Bd5 f6 36. Re7 Rd4 37. Bc6 a4 38. Rxg7 a3 39. Kb1 Rd2 0-1

[Event "Leeuwarden op"]
[Site "Leeuwarden"]
[Date "1993.??.??"]
[Round "9"]
[White "Jolles, Hajo"]
[Black "Van Manen, Leonardo"]
[Result "1-0"]
[ECO "E88"]
[WhiteElo "2280"]
[PlyCount "63"]
[EventDate "1993.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Bd3 b5 9. cxb5 cxd5 10. exd5 Nh5 11. Nge2 Qh4+ 12. Bf2 Qe7 13. Qd2 f5 14. 0-0 Nd7 15. Bc4 e4 16. f4 g5 17. g3 gxf4 18. gxf4 Bh6 19. Kh1 Ne5 20. Rg1+ Kf7 21. b3 Nf3 22. Qe3 Bd7 23. a4 Qf6 24. a5 Rg8 25. Rxg8 Kxg8 26. Rc1 Kh8 27. b6 axb6 28. axb6 Rg8 29. Nxe4 fxe4 30. Qxe4 Bg4 31. h3 Nh4 32. hxg4 1-0

[Event "Leeuwarden op"]
[Site "Leeuwarden"]
[Date "1993.??.??"]
[Round "3"]
[White "Jolles, Hajo"]
[Black "Van der Lijn, Bas"]
[Result "1/2-1/2"]
[ECO "E88"]
[WhiteElo "2280"]
[PlyCount "34"]
[EventDate "1993.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Bd3 a6 9. Nge2 cxd5 10. cxd5 b5 11. b4 Nh5 12. Qd2 Nd7 13. 0-0 f5 14. exf5 gxf5 15. Bc2 Nb6 16. Bb3 Bd7 17. f4 Rc8 1/2-1/2

[Event "Leeuwarden op"]
[Site "Leeuwarden"]
[Date "1993.??.??"]
[Round "1"]
[White "Jolles, Hajo"]
[Black "Yakovich, Yuri"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2280"]
[BlackElo "2525"]
[PlyCount "42"]
[EventDate "1993.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Bg5 h6 7. Bh4 Bxc3+ 8. bxc3 0-0 9. e3 Ne5 10. f3 Ng6 11. Bf2 d6 12. Be2 Nd7 13. 0-0 Nc5 14. Qc2 Bd7 15. Rae1 f5 16. Kh1 Qf6 17. g3 Rae8 18. Qb1 b6 19. Rg1 Ne5 20. g4 fxg4 21. f4 Bc8 0-1

[Event "Komotini op"]
[Site "Komotini"]
[Date "1992.??.??"]
[Round "?"]
[White "Andrianov, Nikolai Ivanovich"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2445"]
[BlackElo "2290"]
[PlyCount "45"]
[EventDate "1992.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. Bg5 Ne4 5. Bh4 h6 6. Nbd2 Qa5 7. c3 Nxd2 8. Qxd2 d6 9. e4 g5 10. Bg3 Bg7 11. e5 0-0 12. Bd3 Na6 13. h4 g4 14. Bf4 f6 15. Bxh6 dxe5 16. Nxe5 Qc7 17. Ng6 Rd8 18. Bxb5 c4 19. 0-0 Bf5 20. Bxg7 Kxg7 21. Nf4 Nc5 22. Rfe1 Ne4 23. Rxe4 1-0

[Event "Ostend op"]
[Site "Ostend"]
[Date "1992.??.??"]
[Round "8"]
[White "Emms, John M"]
[Black "Jolles, Hajo"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2455"]
[BlackElo "2290"]
[PlyCount "122"]
[EventDate "1992.09.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 Qc7 12. Bg5 0-0 13. Rc1 Bd7 14. Bh4 h6 15. Bg3 Be8 16. Re1 Nh5 17. Bxd6 Qxd6 18. Bb1 Rf6 19. Rc3 Bg6 20. Bxg6 Rxg6 21. Ne5 Rf6 22. Nxc6 bxc6 23. Qc1 Rc8 24. Qe3 Nf4 25. Nxf4 Qxf4 26. g3 Qxe3 27. Rexe3 Rb8 28. Re2 Rb6 29. a3 Rf8 30. b4 Re8 31. Rc5 Ra6 32. Re3 Rb8 33. Rxe6 Rxa3 34. Rcxc6 Rb7 35. Red6 Rb3 36. Rxd5 R3xb4 37. h4 Rb1+ 38. Kg2 R1b2 39. Rf5 Kh7 40. h5 R2b5 41. Rxb5 Rxb5 42. g4 Rb3 43. Ra6 Rb4 44. Rd6 Rb3 45. f3 a5 46. Kf2 Kg8 47. Ke2 a4 48. Ra6 a3 49. Ra7 Kf8 50. d5 Rb5 51. d6 Re5+ 52. Kd3 Rd5+ 53. Ke4 Rxd6 54. Rxa3 Rd7 55. Ra5 Rb7 56. f4 Kg8 57. g5 hxg5 58. fxg5 Kh7 59. Rd5 Rb1 60. Kf5 Rf1+ 61. Ke6 Rh1 1/2-1/2

[Event "Katerini op"]
[Site "Katerini"]
[Date "1992.??.??"]
[Round "?"]
[White "Fernandez Garcia, Jose Luis"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2470"]
[BlackElo "2290"]
[PlyCount "79"]
[EventDate "1992.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 032 Extra"]
[Source "ChessBase"]
[SourceDate "1993.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1993.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Bd3 c4 9. Be2 Nf5 10. Bd1 Nc6 11. Ne2 Bd7 12. Ng3 Qa5 13. Bd2 Nce7 14. Nxf5 Nxf5 15. 0-0 Ba4 16. Qe2 h5 17. Qe1 0-0-0 18. Rb1 Rde8 19. g3 f6 20. f3 Qd8 21. Rf2 Qe7 22. Rb4 b5 23. Re2 Kd7 24. Bc1 Qf7 25. Rb1 Qg6 26. Bf4 h4 27. g4 h3 28. exf6 gxf6 29. Kh1 Nh4 30. Qg3 Ng2 31. Bd6 Kc6 32. f4 Rh4 33. f5 exf5 34. Rxe8 Qxe8 35. gxf5 Re4 36. Qxh3 Kxd6 37. Kxg2 Re1 38. Qg3+ Kc6 39. Bh5 Bxc2 40. Bxe8+ 1-0

[Event "Ostend op"]
[Site "Ostend"]
[Date "1992.??.??"]
[Round "9"]
[White "Jolles, Hajo"]
[Black "Giddins, Stephen"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2290"]
[BlackElo "2265"]
[PlyCount "26"]
[EventDate "1992.09.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. d4 cxd4 5. Nxd4 Bb4 6. g3 0-0 7. Bg2 d5 8. cxd5 Nxd5 9. Bd2 Nxc3 10. bxc3 Be7 11. 0-0 Nd7 12. Nb3 Qc7 13. c4 Rb8 1/2-1/2

[Event "Komotini op"]
[Site "Komotini"]
[Date "1992.??.??"]
[Round "?"]
[White "Jolles, Hajo"]
[Black "Grabics, Monika"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "2300"]
[BlackElo "2095"]
[PlyCount "48"]
[EventDate "1992.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 g6 2. e4 Bg7 3. d4 d6 4. Nc3 Nf6 5. f3 0-0 6. Be3 c5 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Bxc5 Nc6 10. Nd5 Nxd5 11. cxd5 Bxb2 12. Rb1 Bc3+ 13. Kf2 Ne5 14. Bxe7 Bd4+ 15. Kg3 Re8 16. Ba3 f5 17. Bb5 Bd7 18. Ne2 Bb6 19. Bxd7 Nxd7 20. Kf4 Nf6 21. Ng3 Nxd5+ 22. Kg5 Be3+ 23. Kh4 g5+ 24. Kh5 Nf6+ 0-1

[Event "Katerini op"]
[Site "Katerini"]
[Date "1992.??.??"]
[Round "?"]
[White "Jolles, Hajo"]
[Black "Miles, Anthony John"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "2290"]
[BlackElo "2595"]
[PlyCount "106"]
[EventDate "1992.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 032 Extra"]
[Source "ChessBase"]
[SourceDate "1993.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1993.03.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Be3 c5 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Bxc5 Nc6 10. Nd5 Nd7 11. Bxe7 Nxe7 12. Nxe7+ Kf8 13. Nd5 Bxb2 14. Rb1 Bg7 15. Nh3 b6 16. Nf2 Bb7 17. f4 Rac8 18. Be2 Ba6 19. Rb4 Bd4 20. h4 Nf6 21. Rh3 Bxf2+ 22. Kxf2 Nxe4+ 23. Kg1 Nd6 24. Ne3 Rc5 25. Bd3 Bc8 26. Rf3 Bb7 27. Rf2 Re8 28. Ng4 Kg7 29. Ra4 Bc8 30. Ne5 Rc7 31. Rd2 f6 32. Nf3 Ne4 33. Bxe4 Rxe4 34. Rd4 Re3 35. Kf2 Rc3 36. Ke2 Bd7 37. Rb4 Ra3 38. Rb2 Bg4 39. Rc2 Ra4 40. Ke3 Bf5 41. Rcd2 Raxc4 42. Rxc4 Rxc4 43. Nd4 Ra4 44. h5 Bg4 45. hxg6 Kxg6 46. Kd3 h5 47. Kc3 h4 48. Kb3 Ra5 49. Kb4 Rd5 50. Kc4 Rc5+ 51. Kb3 Kh5 52. Nc2 Be6+ 53. Kb2 Rb5+ 0-1

[Event "Ostend op"]
[Site "Ostend"]
[Date "1992.??.??"]
[Round "7"]
[White "Jolles, Hajo"]
[Black "Vanheste, Jeroen"]
[Result "1/2-1/2"]
[ECO "E82"]
[WhiteElo "2290"]
[BlackElo "2395"]
[PlyCount "73"]
[EventDate "1992.09.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 g6 2. e4 Bg7 3. d4 d6 4. Nc3 Nf6 5. f3 0-0 6. Be3 b6 7. Bd3 a6 8. Nge2 c5 9. e5 Nfd7 10. exd6 exd6 11. 0-0 Nc6 12. Bc2 Re8 13. Bf2 Nf6 14. Qd2 Qe7 15. Rad1 Bb7 16. dxc5 dxc5 17. Qd6 Rad8 18. Qxe7 Nxe7 19. Bg3 Nc8 20. Ba4 Rf8 21. Bc7 Rxd1 22. Rxd1 Ne8 23. Bg3 Nf6 24. Bc7 Ne8 25. Bg3 Nf6 26. a3 h6 27. Bc7 Ne8 28. Bg3 Nf6 29. b4 cxb4 30. axb4 Kh7 31. Bf2 Rg8 32. c5 bxc5 33. bxc5 Ne7 34. Rb1 Bc8 35. Nd4 Nfd5 36. Nxd5 Nxd5 37. Ne2 1/2-1/2

[Event "Komotini op"]
[Site "Komotini"]
[Date "1992.??.??"]
[Round "?"]
[White "Smirin, Ilia"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2555"]
[BlackElo "2290"]
[PlyCount "59"]
[EventDate "1992.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 d6 6. Nc3 g6 7. e4 Qxb6 8. Nf3 Bg7 9. Nd2 0-0 10. Be2 a5 11. a4 Nbd7 12. Bb5 Bb7 13. 0-0 Qd8 14. f4 Nb6 15. f5 Qc8 16. Qe1 e6 17. dxe6 fxe6 18. fxg6 d5 19. e5 Nfd7 20. gxh7+ Kh8 21. Nf3 Rf5 22. Ng5 Nxe5 23. Rxf5 exf5 24. Ne2 d4 25. Nf4 Nd5 26. Qh4 Nxf4 27. Bxf4 Bd5 28. Qh5 Qf8 29. Bxe5 Bxe5 30. Bc6 1-0

[Event "Ostend op"]
[Site "Ostend"]
[Date "1992.??.??"]
[Round "3"]
[White "Tischbierek, Raj"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "C19"]
[WhiteElo "2495"]
[BlackElo "2290"]
[PlyCount "57"]
[EventDate "1992.09.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 b6 8. Bb5+ Bd7 9. Bd3 h6 10. 0-0 Nbc6 11. Re1 0-0 12. Bf4 Ng6 13. Bg3 f5 14. exf6 Qxf6 15. Bd6 Rfe8 16. dxc5 bxc5 17. Bxg6 Qxg6 18. Bxc5 Rab8 19. c4 Qf5 20. cxd5 exd5 21. Qd2 Rxe1+ 22. Rxe1 Rb2 23. Rc1 Qe4 24. Bd4 Ra2 25. Qc3 Bg4 26. Bxg7 Qg6 27. Bf6 Kf7 28. Ne5+ Nxe5 29. Bxe5 1-0

[Event "Mondorf op"]
[Site "Mondorf"]
[Date "1991.??.??"]
[Round "6"]
[White "Feller, Joseph"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2220"]
[BlackElo "2310"]
[PlyCount "89"]
[EventDate "1991.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Ne2 c5 6. c3 Nc6 7. d4 Qb6 8. g3 Be7 9. Bg2 cxd4 10. cxd4 f6 11. exf6 Bxf6 12. 0-0 0-0 13. Rb1 Kh8 14. Be3 Qd8 15. Nf4 Qe8 16. Re1 g5 17. Nd3 Qg6 18. h3 h6 19. Qd2 Bg7 20. Rbc1 Rf5 21. Nb4 Nxb4 22. Qxb4 Qf7 23. Nh2 e5 24. Rc7 Qg6 25. Rec1 Nb6 26. dxe5 Rf8 27. b3 d4 28. Bxd4 Be6 29. Bxb6 axb6 30. a4 Rad8 31. Be4 Bf5 32. Bxf5 Qxf5 33. Qxb6 Rd2 34. Rf1 Qxe5 35. Ng4 Qd4 36. Qxd4 Bxd4 37. Re7 h5 38. Ne3 b6 39. Re4 Rf3 40. b4 Kh7 41. Nc4 Rdxf2 42. Rxf2 Bxf2+ 43. Kg2 Rf6 44. Ne5 h4 45. Ng4 1-0

[Event "Mondorf op"]
[Site "Mondorf"]
[Date "1991.??.??"]
[Round "9"]
[White "Jolles, Hajo"]
[Black "Agababean, Naira"]
[Result "1/2-1/2"]
[ECO "E95"]
[WhiteElo "2310"]
[BlackElo "2080"]
[PlyCount "124"]
[EventDate "1991.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. d4 Nbd7 5. e4 g6 6. Be2 Bg7 7. 0-0 0-0 8. Re1 c6 9. Bf1 Re8 10. d5 c5 11. a3 Re7 12. Rb1 Ne8 13. b4 b6 14. Qc2 f6 15. h4 Rf7 16. h5 Bf8 17. g3 Be7 18. Bh3 Nf8 19. Bxc8 Qxc8 20. bxc5 bxc5 21. Kg2 Ng7 22. hxg6 Nxg6 23. Rh1 Qg4 24. Nh4 Nxh4+ 25. Rxh4 Qd7 26. Rh6 f5 27. Qa4 Qxa4 28. Nxa4 fxe4 29. Nc3 Nf5 30. Rh1 e3 31. Bxe3 Rg7 32. Ne4 Rf8 33. Bh6 Nxh6 34. Rxh6 Rgf7 35. Rb7 Rd8 36. Rxa7 Kg7 37. Re6 Bf8 38. Ra6 Rb8 39. Ng5 Rd7 40. Ne4 Rf7 41. Ng5 Rd7 42. Kg1 Rb1+ 43. Kg2 Rb8 44. Kg1 Rb1+ 45. Kg2 Rb8 46. Kh3 Rb2 47. Re8 Be7 48. Ne4 Kh6 49. Nxc5 Rc7 50. Ne6 Rcb7 51. c5 Bg5 52. Rxd6 Ra7 53. Kg4 Be7 54. c6 Rxf2 55. Nc7+ Bf6 56. Ree6 Ra4+ 57. Kh3 Kg5 58. Ne8 Bh8 59. Rh6 Rxa3 60. Rh4 Raa2 61. Rg4+ Kh5 62. Rh4+ Kg5 1/2-1/2

[Event "Torcy op-A"]
[Site "Torcy"]
[Date "1991.??.??"]
[Round "?"]
[White "Jolles, Hajo"]
[Black "Calvo Sanchez, Jesus Maria"]
[Result "1/2-1/2"]
[ECO "E87"]
[WhiteElo "2305"]
[BlackElo "2210"]
[PlyCount "63"]
[EventDate "1991.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Be3 e5 7. d5 Ne8 8. Qd2 c5 9. dxc6 Nxc6 10. 0-0-0 Be6 11. Kb1 Rc8 12. Nd5 Nd4 13. Rc1 Nc7 14. Ne2 Bxd5 15. cxd5 Ncb5 16. Rxc8 Qxc8 17. Nxd4 Nxd4 18. Bd3 Qd7 19. Rc1 Rc8 20. Rxc8+ Qxc8 21. Qb4 Qd7 22. Bc2 a6 23. Ba4 Qc7 24. Qc3 Qd8 25. Qb4 Qc7 26. Qc3 Qd8 27. Qb4 Qc7 28. Bd1 Bf6 29. Qc3 Qd7 30. Bc2 Kg7 31. Bd3 h5 32. Qb4 1/2-1/2

[Event "Torcy op-A"]
[Site "Torcy"]
[Date "1991.??.??"]
[Round "?"]
[White "Jolles, Hajo"]
[Black "Hayoun, Lionel"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "2305"]
[BlackElo "2130"]
[PlyCount "65"]
[EventDate "1991.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. e4 d6 7. Be2 Bg7 8. Be3 0-0 9. 0-0 Nxd4 10. Bxd4 Bd7 11. Rc1 Bc6 12. f3 a5 13. b3 Nd7 14. Be3 Nc5 15. Qc2 Qb6 16. Nb5 Rfc8 17. Rcd1 Bxb5 18. cxb5 Qc7 19. Bc4 a4 20. Rc1 axb3 21. axb3 Qa5 22. f4 Nd7 23. Qf2 Rf8 24. Rfd1 Qb4 25. e5 Rad8 26. exd6 exd6 27. Qf3 b6 28. h3 Nc5 29. Qd5 Kh8 30. f5 Be5 31. Bh6 Rg8 32. Qxf7 Ne4 33. Qb7 0-1

[Event "Mondorf op"]
[Site "Mondorf"]
[Date "1991.??.??"]
[Round "1"]
[White "Jolles, Hajo"]
[Black "Kerkmeester, Heico"]
[Result "1/2-1/2"]
[ECO "A93"]
[WhiteElo "2310"]
[BlackElo "2205"]
[PlyCount "54"]
[EventDate "1991.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. b3 b6 7. Ne5 c6 8. Bb2 Bb7 9. d4 d5 10. Nd2 Nbd7 11. Nd3 Bd6 12. Nf3 Ne4 13. Rc1 Qe7 14. Rc2 a5 15. Qc1 a4 16. b4 b5 17. cxb5 cxb5 18. Nc5 Nb6 19. Ne5 Bxe5 20. dxe5 Nxc5 21. Rxc5 Rfc8 22. Bd4 Nd7 23. Rxc8+ Rxc8 24. Qb2 Rc4 25. a3 Qd8 26. e3 Qc7 27. Rd1 Qc6 1/2-1/2

[Event "Mondorf op"]
[Site "Mondorf"]
[Date "1991.??.??"]
[Round "3"]
[White "Jolles, Hajo"]
[Black "Schaller, Sven"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2310"]
[PlyCount "47"]
[EventDate "1991.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. e4 e5 4. Nf3 Qc7 5. d4 d6 6. Be2 Bg4 7. d5 Bxf3 8. Bxf3 Nbd7 9. 0-0 cxd5 10. cxd5 Be7 11. Be3 0-0 12. Qd2 Rfc8 13. Rfc1 Qb8 14. Rc2 Bd8 15. Rac1 b5 16. Nd1 Rxc2 17. Qxc2 Bb6 18. Qc6 Bxe3 19. Nxe3 Nc5 20. Nf5 Ne8 21. Nxd6 Nd3 22. Nxe8 Nxc1 23. Nc7 Nxa2 24. Qxa8 1-0

[Event "Torcy op-A"]
[Site "Torcy"]
[Date "1991.??.??"]
[Round "?"]
[White "Jolles, Hajo"]
[Black "Sellos, Didier"]
[Result "0-1"]
[ECO "E88"]
[WhiteElo "2305"]
[BlackElo "2430"]
[PlyCount "79"]
[EventDate "1991.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 g6 2. e4 Bg7 3. d4 d6 4. Nc3 Nf6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Qd2 cxd5 9. cxd5 a6 10. Bd3 Nbd7 11. Nge2 Ne8 12. 0-0 h5 13. b4 Bf6 14. Rfc1 h4 15. Kh1 Ng7 16. a4 Be7 17. a5 f5 18. exf5 gxf5 19. f4 Bf6 20. Ra3 b5 21. axb6 Nxb6 22. Na4 Nxa4 23. Rxa4 Bb7 24. Qa2 h3 25. Bxa6 hxg2+ 26. Kxg2 exf4 27. Bxf4 Rxa6 28. Rxa6 Qe8 29. Rxd6 Qe4+ 30. Kf2 Bh4+ 31. Bg3 Bxg3+ 32. hxg3 f4 33. gxf4 Rxf4+ 34. Ke1 Qxb4+ 35. Rc3 Re4 36. Rd8+ Kh7 37. Qb3 Qa5 38. Qb1 Qxc3+ 39. Kd1 Qf3 40. Re8 0-1

[Event "Mondorf op"]
[Site "Mondorf"]
[Date "1991.??.??"]
[Round "7"]
[White "Jolles, Hajo"]
[Black "Tolk, Pieter"]
[Result "1-0"]
[ECO "A27"]
[WhiteElo "2310"]
[BlackElo "2300"]
[PlyCount "79"]
[EventDate "1991.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Bg5 Be7 6. Bxe7 Ncxe7 7. Ng1 Nf6 8. e3 0-0 9. Nge2 Kh8 10. h4 d5 11. Nf4 c6 12. Qb3 dxc4 13. Bxc4 b5 14. Be2 Qd6 15. g3 Bd7 16. Rc1 a5 17. 0-0 a4 18. Qc2 Be6 19. Rfd1 Bf7 20. d5 b4 21. Nxa4 Nexd5 22. b3 Qe7 23. Nxd5 Bxd5 24. Rd4 Nd7 25. Qd2 Rab8 26. Rcc4 g5 27. hxg5 Qxg5 28. Rxb4 Rbe8 29. Rb7 Ne5 30. Nc3 Be6 31. Rd6 Bc8 32. Rc7 Rf6 33. Qd4 Qg6 34. Rcxc6 Nxc6 35. Rxc6 Ref8 36. Nd5 Kg7 37. Nxf6 Rxf6 38. Rxc8 Kh6 39. Rc7 Rd6 40. Qe5 1-0

[Event "Mondorf op"]
[Site "Mondorf"]
[Date "1991.??.??"]
[Round "4"]
[White "Jolles, Hajo"]
[Black "Van Wely, Loek"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "2310"]
[BlackElo "2475"]
[PlyCount "56"]
[EventDate "1991.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 g6 2. e4 Bg7 3. d4 d6 4. Nc3 Nf6 5. f3 0-0 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. Bh6 Bxh6 10. Qxh6 Qa5 11. h4 b5 12. h5 Bb7 13. hxg6 fxg6 14. d5 Ne5 15. Nf4 Rf7 16. Be2 bxc4 17. 0-0-0 Rb8 18. g4 Bc8 19. g5 Nfd7 20. Ne6 Nb6 21. Nf8 Rg7 22. Nxh7 Nf7 23. Qh4 Na4 24. Nxa4 Qxa4 25. Rd2 Qxa2 26. Rc2 c3 27. bxc3 Rb1+ 28. Kd2 Rxh1 0-1

[Event "Mondorf op"]
[Site "Mondorf"]
[Date "1991.??.??"]
[Round "8"]
[White "Kaber, Roland"]
[Black "Jolles, Hajo"]
[Result "0-1"]
[ECO "A48"]
[BlackElo "2310"]
[PlyCount "86"]
[EventDate "1991.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c3 b6 4. Bf4 Bb7 5. Nbd2 g6 6. e3 Bg7 7. Bd3 0-0 8. h3 d6 9. 0-0 Nc6 10. Bh2 Re8 11. Qe2 e5 12. dxe5 dxe5 13. e4 Nh5 14. Ba6 Nf4 15. Bxf4 Bxa6 16. Qxa6 exf4 17. Rfe1 Qc7 18. Nc4 Rad8 19. a4 Rb8 20. Rad1 Red8 21. Rd5 Ne7 22. Rxd8+ Rxd8 23. a5 Rb8 24. axb6 axb6 25. Na3 Rd8 26. Qb5 Qc6 27. Kf1 h6 28. Qxc6 Nxc6 29. Ke2 Ra8 30. Kd3 b5 31. Nxb5 Rb8 32. c4 Bxb2 33. Kc2 Bg7 34. Rb1 Ra8 35. Nc3 Ra3 36. Rb3 Nb4+ 37. Kb2 Ra2+ 38. Kb1 Rxf2 39. e5 Rxg2 40. Ne4 Nc6 41. Nxc5 Nxe5 42. Nxe5 Bxe5 43. Nd3 f3 0-1

[Event "Torcy op-A"]
[Site "Torcy"]
[Date "1991.??.??"]
[Round "?"]
[White "Komljenovic, Davorin"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2490"]
[BlackElo "2305"]
[PlyCount "143"]
[EventDate "1991.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. f3 axb5 6. e4 Qa5+ 7. Bd2 b4 8. Na3 d6 9. Nc4 Qc7 10. a3 bxa3 11. Rxa3 Rxa3 12. bxa3 g6 13. Bd3 Bg7 14. Ne2 0-0 15. 0-0 Ba6 16. Qa4 Bxc4 17. Bxc4 Nbd7 18. Bb5 Rb8 19. Rb1 Nb6 20. Qc2 Qa7 21. a4 Nxa4 22. Qa2 c4+ 23. Kf1 c3 24. Nxc3 Qd4 25. Nxa4 Rxb5 26. Rxb5 Qd3+ 27. Ke1 Qxb5 28. Nc3 Qb8 29. Qa4 Qe8 30. Qc6 Qd8 31. Nb5 Nd7 32. Qc7 Qxc7 33. Nxc7 Bd4 34. Ke2 Bb6 35. Na6 Nc5 36. Nb8 Nb3 37. Bf4 f6 38. Kd3 Bg1 39. Kc4 Nc5 40. h3 Kf7 41. Bd2 Bf2 42. Ba5 f5 43. exf5 gxf5 44. Nc6 Nd7 45. Nd8+ Kf6 46. Ne6 Nb6+ 47. Bxb6 Bxb6 48. g4 fxg4 49. hxg4 Be3 50. Kd3 Bc1 51. Ke4 Bd2 52. f4 Bc1 53. Ng5 Kg6 54. Nf3 Kf6 55. Nd4 Bb2 56. Ne6 Bc1 57. g5+ Kg6 58. Nd4 Bd2 59. Ne6 Kf7 60. Kf5 Be3 61. Nd8+ Ke8 62. Ne6 Kf7 63. Kg4 Kg6 64. f5+ Kf7 65. Kh5 Bd2 66. Kh6 Kg8 67. Nd4 Be3 68. Ne2 Bd2 69. Ng3 Bc3 70. Ne4 Bg7+ 71. Kh5 Be5 72. f6 1-0

[Event "Mondorf op"]
[Site "Mondorf"]
[Date "1991.??.??"]
[Round "2"]
[White "Laux, Tino"]
[Black "Jolles, Hajo"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "2225"]
[BlackElo "2310"]
[PlyCount "51"]
[EventDate "1991.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 d6 6. Nc3 Nbd7 7. a4 Qxb6 8. a5 Qc7 9. e4 g6 10. f4 Bg7 11. Bc4 h6 12. Nf3 g5 13. e5 dxe5 14. fxg5 hxg5 15. Nxg5 Qd6 16. 0-0 e4 17. Bf4 Ne5 18. Nxf7 Kxf7 19. Nxe4 Qb8 20. d6+ Nxc4 21. Ng5+ Kg6 22. d7 e5 23. Qd3+ Kh5 24. Qh3+ Kg6 25. Qd3+ Kh5 26. Qh3+ 1/2-1/2

[Event "Mondorf op"]
[Site "Mondorf"]
[Date "1991.??.??"]
[Round "5"]
[White "Skripchenko, Almira"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2125"]
[BlackElo "2310"]
[PlyCount "105"]
[EventDate "1991.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 g6 6. Bg2 Bg7 7. 0-0 Nge7 8. Re1 h6 9. h4 b6 10. Nf1 dxe4 11. dxe4 Ba6 12. c3 Qxd1 13. Rxd1 0-0 14. N1h2 Rad8 15. Be3 f5 16. Bf1 Bxf1 17. Kxf1 Na5 18. exf5 gxf5 19. Bf4 Nc4 20. b3 Nb2 21. Re1 Nd5 22. Be5 Rfe8 23. Bxg7 Kxg7 24. c4 Nb4 25. Re2 N2d3 26. Rd1 e5 27. Nxe5 Nxe5 28. Rxd8 Rxd8 29. Rxe5 Kf6 30. Re2 Rd1+ 31. Kg2 Ra1 32. Re8 Rxa2 33. Rf8+ Kg6 34. g4 fxg4 35. Nxg4 Kg7 36. Rf5 Nd3 37. h5 Rb2 38. Kg1 Rxb3 39. Rf3 Nc1 40. Rf6 a5 41. Rg6+ Kf8 42. Rxh6 a4 43. Rf6+ Ke7 44. h6 Rh3 45. Rxb6 a3 46. Ra6 a2 47. Kg2 Rh5 48. f4 Kf7 49. Kf3 Rh1 50. Ke3 Re1+ 51. Kd2 a1Q 52. Rxa1 Nb3+ 53. Kxe1 1-0

[Event "Torcy op-A"]
[Site "Torcy"]
[Date "1991.??.??"]
[Round "?"]
[White "Sveshnikov, Evgeny"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2510"]
[BlackElo "2305"]
[PlyCount "59"]
[EventDate "1991.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nh6 6. dxc5 Bxc5 7. b4 Bf8 8. b5 Na5 9. Bd3 f6 10. Bxh6 gxh6 11. Nd4 Qc7 12. exf6 Qe5+ 13. Be2 Bd6 14. f7+ Kxf7 15. g3 Kg7 16. 0-0 Rf8 17. Nd2 Bd7 18. Bg4 Rae8 19. Bh3 Re7 20. Qa4 Qh5 21. Bg2 b6 22. c4 e5 23. Nc6 Bxc6 24. bxc6 Qe2 25. Rad1 Bc5 26. cxd5 Rxf2 27. Rxf2 Qxf2+ 28. Kh1 Rf7 29. Qg4+ Kf8 30. c7 1-0

[Event "Hoogovens C"]
[Site "Wijk aan Zee"]
[Date "1991.??.??"]
[Round "9"]
[White "Ziatdinov, Raset"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2515"]
[BlackElo "2305"]
[PlyCount "67"]
[EventDate "1991.01.??"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "NED"]
[EventCategory "7"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Bd3 cxd4 9. Ne2 dxc3 10. Qxg7 Rg8 11. Qxh7 Nbc6 12. Bf4 Bd7 13. Bg3 0-0-0 14. Qxf7 Rdf8 15. Qh5 Nf5 16. Bxf5 Rxf5 17. Qh4 Rfg5 18. Qa4 Rg4 19. f4 a6 20. Qb3 Ne7 21. Nd4 Qc5 22. Qb4 Qxb4 23. axb4 Nc6 24. Nxc6 Bxc6 25. 0-0-0 d4 26. Rxd4 Bxg2 27. Re1 R4g7 28. Re3 Rc7 29. Bh4 Bf1 30. Rg3 Rf8 31. Bf6 Bb5 32. h4 Rh7 33. Rxc3+ Kb8 34. Kd2 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "1990.??.??"]
[Round "7"]
[White "Dorenberg, Gaston"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "2225"]
[BlackElo "2275"]
[PlyCount "53"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 019 Extra"]
[Source "ChessBase"]
[SourceDate "1991.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1991.01.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. f4 Nc6 7. Ndf3 cxd4 8. cxd4 Qb6 9. g3 f6 10. Bh3 Bb4+ 11. Kf1 fxe5 12. fxe5 0-0 13. Kg2 Ndxe5 14. dxe5 Nxe5 15. Bf4 Nc4 16. b3 Rxf4 17. bxc4 Rxc4 18. Ne2 Qe3 19. Nf4 Kh8 20. Rf1 Qe4 21. Rf2 Rc3 22. Qa4 Rc6 23. Re2 Qc4 24. Ne5 b5 25. Qd1 Qc3 26. Nxc6 Qxc6 27. Bxe6 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "1990.??.??"]
[Round "9"]
[White "Jolles, Hajo"]
[Black "Bottema, Tom"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2275"]
[BlackElo "2205"]
[PlyCount "121"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 019 Extra"]
[Source "ChessBase"]
[SourceDate "1991.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1991.01.01"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 f5 3. Nf3 Nf6 4. b3 b6 5. g3 Bb7 6. Bg2 Be7 7. 0-0 0-0 8. Bb2 Qe8 9. d4 Ne4 10. d5 Bf6 11. Nd4 Nd6 12. Ndb5 Nxb5 13. cxb5 d6 14. Rc1 a6 15. a4 a5 16. Qc2 Bd4 17. dxe6 Bxg2 18. Kxg2 Qxe6 19. Rcd1 Bc5 20. Nd5 Ra7 21. Qc4 Re8 22. e3 c6 23. Nf4 Qxc4 24. bxc4 cxb5 25. cxb5 Nd7 26. Rd5 Re4 27. Bd4 g6 28. h4 Kf7 29. h5 Rxf4 30. exf4 Ke6 31. Bxc5 Kxd5 32. Be3 Nc5 33. Rd1+ Ke6 34. Re1 Kf7 35. Rd1 Rd7 36. Bxc5 bxc5 37. Kf3 d5 38. Ke3 Re7+ 39. Kd3 Ke8 40. Rc1 c4+ 41. Kd4 Rd7 42. Re1+ Kd8 43. hxg6 hxg6 44. Re6 Kc8 45. Rxg6 Rc7 46. Re6 c3 47. Re1 Rc4+ 48. Kxd5 Rxa4 49. Rc1 Kb7 50. Rxc3 Rb4 51. Ke6 Rxb5 52. f3 Ka6 53. Ra3 Kb6 54. g4 fxg4 55. fxg4 Rb4 56. Kf5 Rb5+ 57. Kf6 Kc5 58. f5 Kd5 59. g5 Rb6+ 60. Kg7 Ra6 61. f6 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "1990.??.??"]
[Round "3"]
[White "Jolles, Hajo"]
[Black "Ermenkov, Evgenij"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "2275"]
[BlackElo "2465"]
[PlyCount "85"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 019 Extra"]
[Source "ChessBase"]
[SourceDate "1991.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1991.01.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Bg5 h6 7. Bh4 0-0 8. Rc1 Ne5 9. e3 Ng6 10. Bxf6 Qxf6 11. Be2 Re8 12. 0-0 Bxc3 13. Rxc3 d6 14. Qa4 Re7 15. Rfc1 Bd7 16. Qd1 a6 17. c5 dxc5 18. Rxc5 c6 19. b4 Rae8 20. a4 Ne5 21. b5 axb5 22. axb5 b6 23. Rxc6 Nxc6 24. bxc6 Bc8 25. Qb3 Re4 26. Bd3 Rh4 27. Qxb6 Qd6 28. g3 Rh5 29. Be2 Rhe5 30. Bf1 Qa3 31. Qb1 Rc5 32. Rxc5 Qxc5 33. h4 g6 34. Kh2 Qc3 35. Bh3 Qd2 36. Qc2 Qxc2 37. Nxc2 Bxh3 38. Kxh3 h5 39. Nd4 Kf8 40. Kg2 Ke7 41. Kf3 Kd6 42. Kf4 Re5 43. Kf3 1/2-1/2

[Event "Groningen op"]
[Site "Groningen"]
[Date "1990.??.??"]
[Round "6"]
[White "Jolles, Hajo"]
[Black "Hernandez Guerrero, Gilberto Eduardo"]
[Result "1-0"]
[ECO "A27"]
[WhiteElo "2275"]
[BlackElo "2530"]
[PlyCount "87"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 022"]
[Source "ChessBase"]
[SourceDate "1991.06.01"]
[SourceVersion "1"]
[SourceVersionDate "1991.06.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Bg5 Be7 6. Bxe7 Ncxe7 7. Ng1 Nf6 8. e3 d6 9. Nge2 c6 10. Nf4 g5 11. Nh5 Ng6 12. Nxf6+ Qxf6 13. Qb3 0-0 14. 0-0-0 Kh8 15. Be2 Rb8 16. g3 Be6 17. Qa3 d5 18. cxd5 Bxd5 19. Nxd5 cxd5 20. Kb1 a6 21. Rc1 Qe6 22. Rc7 Rf7 23. Rhc1 Ne7 24. Qb4 b5 25. Qc5 Rbf8 26. Qa7 f4 27. Bh5 Rg7 28. a3 Qf6 29. Bg4 fxe3 30. fxe3 h6 31. Qb7 Rgf7 32. Bh5 Rg7 33. Rd7 Nf5 34. Rxg7 Nxg7 35. Bg4 h5 36. Bc8 Qf2 37. Qxd5 Qxe3 38. Bxa6 Qd3+ 39. Ka2 e3 40. Bxb5 Qf5 41. Qxf5 Nxf5 42. d5 Nd4 43. Bd3 Rd8 44. Re1 1-0

[Event "Groningen op"]
[Site "Groningen"]
[Date "1990.??.??"]
[Round "9"]
[White "Jolles, Hajo"]
[Black "Hoeksema, Hendrik Pieter"]
[Result "0-1"]
[ECO "E88"]
[WhiteElo "2275"]
[BlackElo "2365"]
[PlyCount "65"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 022"]
[Source "ChessBase"]
[SourceDate "1991.06.01"]
[SourceVersion "1"]
[SourceVersionDate "1991.06.01"]
[SourceQuality "1"]

1. c4 g6 2. e4 Bg7 3. d4 d6 4. Nc3 Nf6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Bd3 b5 9. cxb5 cxd5 10. exd5 Nbd7 11. Nge2 Nb6 12. Bg5 h6 13. Bh4 Bb7 14. 0-0 Qd7 15. Be4 Ne8 16. Bf2 f5 17. Bc2 Nf6 18. a4 Kh7 19. Bb3 Rac8 20. a5 Nc4 21. Bxc4 Rxc4 22. Bxa7 Ba6 23. Bf2 Bxb5 24. Qb3 Ba6 25. Qb6 Qc8 26. Rfd1 e4 27. Nd4 e3 28. Bxe3 Rxc3 29. bxc3 Nxd5 30. Qxd6 Nxe3 31. Qe6 Nxd1 32. Qxc8 Rxc8 33. Rxd1 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "1990.??.??"]
[Round "2"]
[White "Jolles, Hajo"]
[Black "Martin, Andrew D"]
[Result "1/2-1/2"]
[ECO "E80"]
[WhiteElo "2275"]
[BlackElo "2415"]
[PlyCount "36"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 019 Extra"]
[Source "ChessBase"]
[SourceDate "1991.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1991.01.01"]
[SourceQuality "1"]

1. c4 g6 2. e4 Bg7 3. d4 d6 4. Nc3 Nf6 5. f3 Nc6 6. Be3 a6 7. Qd2 Rb8 8. a3 e5 9. Nge2 exd4 10. Nxd4 0-0 11. Be2 Nh5 12. 0-0 Nxd4 13. Bxd4 Nf4 14. Be3 Nxe2+ 15. Nxe2 Re8 16. Ba7 Ra8 17. Bd4 Bd7 18. Nc3 Be6 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "1990.??.??"]
[Round "6"]
[White "Jolles, Hajo"]
[Black "Rigo, Janos"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2275"]
[BlackElo "2400"]
[PlyCount "74"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 019 Extra"]
[Source "ChessBase"]
[SourceDate "1991.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1991.01.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. a3 e4 5. Ng5 Qe7 6. d3 exd3 7. Qxd3 Ne5 8. Qd4 c5 9. Qd1 h6 10. Nh3 Nxc4 11. Nf4 Nb6 12. g3 g5 13. Nfd5 Nfxd5 14. Nxd5 Nxd5 15. Qxd5 Qe6 16. Bg2 Qxd5 17. Bxd5 Bg7 18. h4 g4 19. Rb1 d6 20. 0-0 Be6 21. Bxb7 Rb8 22. Bc6+ Ke7 23. Rd1 Ba2 24. Ra1 Bb3 25. Rd3 Rhc8 26. Bd5 Bxd5 27. Rxd5 Bxb2 28. Bxb2 Rxb2 29. e3 c4 30. Kg2 c3 31. Rc1 c2 32. Rd2 Rc3 33. a4 d5 34. Re2 Kd6 35. Rd2 Kc5 36. f3 gxf3+ 37. Kxf3 d4 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "1990.??.??"]
[Round "8"]
[White "Jolles, Hajo"]
[Black "Van der Weij, Anton"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2275"]
[PlyCount "88"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 019 Extra"]
[Source "ChessBase"]
[SourceDate "1991.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1991.01.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bb4 3. Nd5 Bc5 4. b4 Bf8 5. Bb2 c6 6. Ne3 Bxb4 7. Bxe5 Nf6 8. Rb1 a5 9. Nf3 0-0 10. g3 Re8 11. Bg2 Ne4 12. Ba1 d5 13. cxd5 cxd5 14. 0-0 Nc6 15. Nc2 Bc5 16. d3 Nf6 17. Ncd4 Qe7 18. e3 Bg4 19. Nxc6 bxc6 20. Qa4 Bd7 21. Rb7 Qd6 22. Bxf6 gxf6 23. Qh4 Rab8 24. Rfb1 Bb4 25. Rxb8 Rxb8 26. Bh3 Bxh3 27. Qxh3 Kh8 28. Nd4 Rg8 29. Rc1 c5 30. Nf5 Qe6 31. e4 dxe4 32. dxe4 Qxe4 33. Nh6 Rf8 34. Rd1 c4 35. Qd7 Qe6 36. Qd4 Be7 37. Rc1 Rc8 38. Rc3 Bc5 39. Qf4 Qe1+ 40. Kg2 Qxc3 41. Nxf7+ Kg7 42. Qg4+ Kxf7 43. Qxc8 Qe5 44. Qd7+ Be7 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "1990.??.??"]
[Round "4"]
[White "Ninov, Kiril"]
[Black "Jolles, Hajo"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "2425"]
[BlackElo "2275"]
[PlyCount "31"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 019 Extra"]
[Source "ChessBase"]
[SourceDate "1991.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1991.01.01"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Bg4 3. c4 Nd7 4. Qb3 Rb8 5. h3 Bh5 6. g3 e5 7. dxe5 dxe5 8. Be3 Bxf3 9. exf3 Bc5 10. Bxc5 Nxc5 11. Qb5+ Nd7 12. Nc3 Ngf6 13. Rd1 0-0 14. Bd3 c6 15. Qa4 Qb6 16. Qa3 1/2-1/2

[Event "Groningen op"]
[Site "Groningen"]
[Date "1990.??.??"]
[Round "1"]
[White "Schmittdiel, Eckhard"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "2505"]
[BlackElo "2275"]
[PlyCount "65"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 022"]
[Source "ChessBase"]
[SourceDate "1991.06.01"]
[SourceVersion "1"]
[SourceVersionDate "1991.06.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Qd3 Ne7 5. Nge2 c5 6. Bg5 f6 7. Bd2 Nbc6 8. a3 Bxc3 9. Bxc3 0-0 10. dxc5 dxe4 11. Qxe4 e5 12. Rd1 Qe8 13. Ng3 f5 14. Bc4+ Kh8 15. Qe2 f4 16. Ne4 f3 17. gxf3 Ng6 18. Nd6 Qe7 19. Rg1 Be6 20. Bxe6 Qxe6 21. Qc4 Qe7 22. Rg3 Nh4 23. Qd5 Rad8 24. Rd3 Nf5 25. Nxf5 Rxf5 26. Qe4 Rdf8 27. Rd6 Qf7 28. Qd5 Rxf3 29. Qxf3 Qxf3 30. Rxf3 Rxf3 31. Rd7 h5 32. Rxb7 Rh3 33. Rc7 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "1990.??.??"]
[Round "5"]
[White "Sehner, Norbert"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2420"]
[BlackElo "2275"]
[PlyCount "79"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 019 Extra"]
[Source "ChessBase"]
[SourceDate "1991.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1991.01.01"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. d3 Be7 7. a3 0-0 8. 0-0 Re8 9. b4 a5 10. bxa5 Rxa5 11. Bb2 Bf8 12. Nbd2 Nb6 13. Qc2 Bg4 14. Nb3 Ra6 15. d4 exd4 16. Nfxd4 Nxd4 17. Nxd4 c6 18. Nf3 Bh5 19. Rfe1 Qd5 20. e4 Qc4 21. Qb1 Qa4 22. Ne5 Bd6 23. Qd3 Bxe5 24. Bxe5 Qc4 25. Qd2 Qe6 26. Bd4 Nc4 27. Qb4 b5 28. Qc5 Ne5 29. Re3 Qc4 30. Rc1 Qxc5 31. Rxc5 f6 32. Rec3 Be2 33. Bxe5 fxe5 34. Rxc6 Rxc6 35. Rxc6 Ra8 36. Bf1 Bf3 37. Rc3 b4 38. Rxf3 bxa3 39. Bc4+ Kh8 40. Ba2 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "1990.??.??"]
[Round "1"]
[White "Van Mil, Johan"]
[Black "Jolles, Hajo"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "2445"]
[BlackElo "2275"]
[PlyCount "124"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 019 Extra"]
[Source "ChessBase"]
[SourceDate "1991.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1991.01.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Bxc3+ 6. Nxc3 Nc6 7. Be3 Nf6 8. Qd2 Ne7 9. Bg5 Ned5 10. 0-0-0 0-0 11. Bc4 Nxc3 12. Qxc3 Nd5 13. Qg3 Qd6 14. Qh4 Rb8 15. Qxe4 b5 16. Bd3 f5 17. Qe5 Qxe5 18. dxe5 a6 19. c4 bxc4 20. Bxc4 Bb7 21. Bd2 Rfe8 22. Rhe1 Nb6 23. Bf1 Bd5 24. Ba5 Na4 25. b4 Ra8 26. Kd2 c5 27. Rc1 Rec8 28. Ke3 g5 29. g3 Rc6 30. bxc5 Nxc5 31. Bb4 Rac8 32. Rc3 Na4 33. Rxc6 Rxc6 34. Rb1 Kf7 35. Bd2 Kg6 36. Rb8 Nc5 37. Rg8+ Kf7 38. Rh8 Kg7 39. Ra8 h6 40. Bb4 Nb3 41. Ra7+ Kg8 42. Bxa6 Rc2 43. Bd3 f4+ 44. gxf4 gxf4+ 45. Kxf4 Rxf2+ 46. Kg4 Nd4 47. Be7 Nc6 48. Ra8+ Kf7 49. Rf8+ Kxe7 50. Rxf2 Nxe5+ 51. Kh5 Nxd3 52. Rd2 Nf4+ 53. Kxh6 Kf6 54. h4 e5 55. Rf2 Kf5 56. Kg7 e4 57. h5 e3 58. Rh2 Bg2 59. Rxg2 Nxg2 60. h6 e2 61. h7 e1Q 62. h8Q Qe7+ 0-1

[Event "Groningen op"]
[Site "Groningen"]
[Date "1990.??.??"]
[Round "7"]
[White "Van der Werf, Mark"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2365"]
[BlackElo "2275"]
[PlyCount "46"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 022"]
[Source "ChessBase"]
[SourceDate "1991.06.01"]
[SourceVersion "1"]
[SourceVersionDate "1991.06.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Bd7 7. b4 cxd4 8. cxd4 Rc8 9. Be3 Nh6 10. Bd3 Ng4 11. 0-0 Be7 12. Nbd2 Nxe3 13. fxe3 0-0 14. Nb3 f6 15. exf6 Bxf6 16. Nc5 Rcd8 17. Ne5 Bxe5 18. Bxh7+ Kxh7 19. Rxf8 Rxf8 20. Nxd7 Qd8 21. Nxf8+ Qxf8 22. Qh5+ Kg8 23. dxe5 Qb8 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "1988.??.??"]
[Round "5"]
[White "Etmans, Maarten D"]
[Black "Jolles, Hajo"]
[Result "1/2-1/2"]
[ECO "C15"]
[WhiteElo "2290"]
[PlyCount "107"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd3 dxe4 5. Bxe4 Nf6 6. Bf3 Nc6 7. Nge2 e5 8. Bxc6+ bxc6 9. 0-0 Ba6 10. a3 Bxc3 11. bxc3 0-0 12. Re1 Ne4 13. f3 Bxe2 14. Qxe2 Nxc3 15. Qxe5 Re8 16. Qxe8+ Qxe8 17. Rxe8+ Rxe8 18. Kf1 h6 19. Bd2 Nb5 20. c3 Nd6 21. Rb1 Nc4 22. Bc1 c5 23. dxc5 Re5 24. Rb8+ Kh7 25. Rb7 Rxc5 26. Rxa7 Nd6 27. Bd2 Kg6 28. a4 Kf5 29. Ke2 Ke6 30. Kd3 Rd5+ 31. Kc2 Kd7 32. Bf4 Kc8 33. Bxd6 Rxd6 34. Ra8+ Kb7 35. Rf8 Rg6 36. g3 Rf6 37. f4 g5 38. fxg5 hxg5 39. Rh8 Rf2+ 40. Kb3 f5 41. Rh5 g4 42. Rh4 Kb6 43. Kc4 Rd2 44. Rh5 Rf2 45. Rh4 Rd2 46. a5+ Kxa5 47. Rh5 Rf2 48. Rh6 f4 49. gxf4 Rxf4+ 50. Kc5 Ka4 51. Kd5 Kb3 52. Rc6 Rf2 53. Rxc7 Rd2+ 54. Ke4 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "1988.??.??"]
[Round "7"]
[White "Jolles, Hajo"]
[Black "Adler, Joel Arturo Manuel"]
[Result "0-1"]
[ECO "A31"]
[BlackElo "2295"]
[PlyCount "100"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 b6 4. d4 cxd4 5. Nxd4 Bb7 6. Bg5 a6 7. e4 Nxe4 8. Nxe4 Bxe4 9. Qe2 Bg6 10. g4 f6 11. Bg2 Ra7 12. Bd2 e5 13. h4 Bc5 14. h5 Bf7 15. Nf5 0-0 16. Ne3 b5 17. Bd5 Nc6 18. cxb5 Nd4 19. Qc4 d6 20. bxa6 Nf3+ 21. Ke2 Nxd2 22. Kxd2 Qb6 23. Ke2 Bxe3 24. fxe3 Rc7 25. Qb3 Qxa6+ 26. Kf3 e4+ 27. Kg3 Qe2 28. Rac1 Qf3+ 29. Kh2 Rxc1 30. Rxc1 Qxg4 31. Bxf7+ Rxf7 32. Rc7 Qxh5+ 33. Kg1 d5 34. Rxf7 Kxf7 35. a4 Qg4+ 36. Kh2 Qh5+ 37. Kg1 Kg6 38. a5 Qg4+ 39. Kh2 Qe2+ 40. Kh3 Qd3 41. Qb6 Qf1+ 42. Kh2 h5 43. Qd8 Qe2+ 44. Kh1 Qd1+ 45. Kh2 Qd2+ 46. Kh1 h4 47. Qd7 Qe1+ 48. Kg2 Qe2+ 49. Kh3 Qf3+ 50. Kxh4 Kh6 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "1988.??.??"]
[Round "9"]
[White "Jolles, Hajo"]
[Black "Bosch, Jeroen"]
[Result "1/2-1/2"]
[ECO "A21"]
[PlyCount "8"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "1988.??.??"]
[Round "3"]
[White "Jolles, Hajo"]
[Black "Grooten, Herman"]
[Result "0-1"]
[ECO "A31"]
[BlackElo "2325"]
[PlyCount "82"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 b6 4. d4 cxd4 5. Nxd4 Bb7 6. Bg5 e6 7. Ndb5 d6 8. Bf4 e5 9. Bg5 a6 10. Bxf6 gxf6 11. Na3 d5 12. cxd5 b5 13. Nc2 b4 14. Nxb4 Qa5 15. Nc2 Nd7 16. e4 Rg8 17. Qf3 Rc8 18. Be2 f5 19. 0-0 fxe4 20. Qf5 Qb6 21. Bg4 Rc7 22. Ne3 Bh6 23. Nxe4 Bxe3 24. fxe3 Qxe3+ 25. Kh1 Bxd5 26. Rae1 Qh6 27. Qf3 Kf8 28. Qa3+ Nc5 29. Nf6 Qd2 30. Re2 Qd4 31. Nxd5 Qxd5 32. Bf3 Qd6 33. Rc1 Rg5 34. Rec2 e4 35. Bxe4 Kg8 36. Bf3 Re5 37. h3 Rce7 38. Qc3 Nd3 39. Rd1 Re1+ 40. Rxe1 Rxe1+ 41. Qxe1 Nxe1 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "1988.??.??"]
[Round "4"]
[White "Jolles, Hajo"]
[Black "Knoppert, Erik"]
[Result "0-1"]
[ECO "A28"]
[BlackElo "2310"]
[PlyCount "107"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. d3 Be7 7. e3 Be6 8. Be2 0-0 9. 0-0 Nb6 10. b4 f6 11. Rb1 Qd7 12. Qc2 Rab8 13. b5 Nd8 14. d4 Bf5 15. e4 exd4 16. Rd1 Bg6 17. Nxd4 Bd6 18. a4 Qe8 19. a5 Nd7 20. f3 Kh8 21. Nd5 Qe5 22. Bf4 Qxd5 23. Bxd6 Qxd6 24. Nc6 bxc6 25. Rxd6 cxd6 26. bxc6 Nxc6 27. Rxb8 Ndxb8 28. Qd2 Rd8 29. Qd5 Rd7 30. Bb5 Bf7 31. Qd3 Rd8 32. Qc3 Be8 33. Qd2 Kg8 34. Bc4+ Bf7 35. Bxf7+ Kxf7 36. Qd5+ Kf8 37. Qf5 h6 38. Qd5 Ne7 39. Qb5 Nbc6 40. h4 d5 41. exd5 Rxd5 42. Qb1 Rxa5 43. g4 Rd5 44. Kg2 a5 45. Qa2 Ne5 46. Kg3 g6 47. Qa4 Rd3 48. Qxa5 Rxf3+ 49. Kg2 Rf4 50. g5 hxg5 51. hxg5 Rg4+ 52. Kf1 Rxg5 53. Qd8+ Kf7 54. Qh8 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "1988.??.??"]
[Round "6"]
[White "Kerkmeester, Heico"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2245"]
[PlyCount "67"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. d5 Qb6 5. Nd2 Qxb2 6. Nxe4 Qb4+ 7. Qd2 Qxe4 8. e3 e6 9. dxe6 fxe6 10. Nf3 Qg6 11. Bd3 Qf6 12. 0-0 Nc6 13. Ng5 e5 14. Ne4 Qf7 15. Bg3 d5 16. Ng5 Qh5 17. e4 Be7 18. f4 exf4 19. Bxf4 0-0 20. exd5 Nd4 21. Nxh7 Rxf4 22. Qxf4 Bf5 23. Qe5 Bd6 24. Rxf5 Nxf5 25. Qxf5 Qxh2+ 26. Kf2 Qh4+ 27. g3 Qh3 28. Ke3 Re8+ 29. Be4 Qxg3+ 30. Qf3 Bf4+ 31. Ke2 Qh2+ 32. Kf1 Bg3 33. Ng5 Rf8 34. Bh7+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "1988.??.??"]
[Round "8"]
[White "Reissmann, Wilfried"]
[Black "Jolles, Hajo"]
[Result "1/2-1/2"]
[ECO "C15"]
[PlyCount "145"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. Qg4 Nf6 7. Qxg7 Rg8 8. Qh6 Nbd7 9. Bg5 Qe7 10. f3 Ng4 11. Bxe7 Nxh6 12. Bh4 Nf5 13. Bf2 exf3 14. Nxf3 b6 15. Bb5 Bb7 16. Ne5 c6 17. Bxc6 Bxc6 18. Nxc6 Rxg2 19. c4 Nd6 20. Kf1 Rg4 21. Ke2 Nxc4 22. a4 Nf6 23. Rhg1 Kd7 24. Nb4 Rc8 25. Rxg4 Nxg4 26. Bg3 a5 27. Nd3 Nh6 28. Rb1 Nf5 29. Bf2 f6 30. Rb3 Rc6 31. Nf4 Rd6 32. c3 e5 33. Kd3 Rc6 34. d5 Rc8 35. Nh5 e4+ 36. Ke2 e3 37. Be1 Ke7 38. Nf4 Nfd6 39. Rb1 Rg8 40. Bg3 Ne4 41. Kd3 Rc8 42. Be1 f5 43. Ne2 Kd6 44. Kd4 Rc5 45. Ng3 Ned2 46. Nxf5+ Kd7 47. Bxd2 Nxd2 48. Rxb6 e2 49. Rd6+ Kc7 50. Re6 Nb3+ 51. Kd3 Rxd5+ 52. Kc4 Rxf5 53. Kxb3 Rf2 54. h4 Kd7 55. Re3 Kd6 56. h5 Kd5 57. h6 Rh2 58. Re7 Kd6 59. Re3 Kd5 60. Re7 Kc5 61. Re5+ Kd6 62. Re8 Kd5 63. Re7 Rxh6 64. Rxe2 Rb6+ 65. Kc2 h5 66. Rh2 Rh6 67. Rh4 Ke5 68. Kd3 Kf5 69. Kc4 Kg5 70. Rh1 Rc6+ 71. Kb5 Rxc3 72. Kxa5 Rb3 73. Ka6 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "1988.??.??"]
[Round "1"]
[White "Van de Oudeweetering, Arthur"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "C19"]
[WhiteElo "2325"]
[PlyCount "37"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Qa5 8. Bd2 Nbc6 9. a4 Bd7 10. Bb5 Qc7 11. 0-0 f6 12. Re1 f5 13. Bc1 cxd4 14. cxd4 Na5 15. Ng5 0-0 16. Ba3 Rae8 17. Qh5 h6 18. Nxe6 Bxe6 19. Bxe8 1-0

[Event "NED Open-ch16"]
[Site "Dieren"]
[Date "1985.08.05"]
[Round "7"]
[White "Jolles, Hajo"]
[Black "Van de Berkmortel, Theo"]
[Result "0-1"]
[ECO "A21"]
[PlyCount "66"]
[EventDate "1985.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bb4 3. Nd5 Ba5 4. b4 c6 5. bxa5 cxd5 6. cxd5 Qxa5 7. Qb3 Nf6 8. Nf3 0-0 9. Nxe5 d6 10. Nf3 Nxd5 11. g3 Nc6 12. Bg2 Be6 13. Ng5 Nf4 14. Nxe6 Nxg2+ 15. Kf1 fxe6 16. Qxe6+ Kh8 17. Kxg2 Rae8 18. Qc4 Qe5 19. Ba3 Nd4 20. Bb2 Qe4+ 21. f3 Qxe2+ 22. Qxe2 Rxe2+ 23. Kh3 Nxf3 24. Rac1 h6 25. Rc7 Ng5+ 26. Kg4 Re4+ 27. Kh5 Ne6 28. Rd7 Kh7 29. g4 Rf3 30. h3 Nf4+ 31. Kh4 Ng2+ 32. Kh5 Rf5+ 33. gxf5 Rh4# 0-1

[Event "NED Open-ch16"]
[Site "Dieren"]
[Date "1985.08.03"]
[Round "5"]
[White "Jolles, Hajo"]
[Black "Van Kooten, D."]
[Result "1-0"]
[ECO "A16"]
[PlyCount "57"]
[EventDate "1985.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6 6. d3 Bg7 7. Be3 0-0 8. Qc1 Re8 9. Bh6 Bh8 10. h4 c6 11. h5 Nd5 12. hxg6 fxg6 13. Nh3 Nxc3 14. bxc3 Nd7 15. Bd2 e5 16. Ng5 Nf6 17. Qc2 Qe7 18. Rb1 a5 19. Qb3+ Kf8 20. Be3 a4 21. Qc4 b5 22. Qxc6 Bd7 23. Bc5 Bxc6 24. Bxe7+ Rxe7 25. Bxc6 Rb8 26. Rxb5 Rc8 27. Rb6 a3 28. c4 e4 29. Bxe4 1-0

