[Event "SVK-chT3A 9697"]
[Site "Slovakia"]
[Date "1997.??.??"]
[Round "4"]
[White "Onderco, Jan"]
[Black "Kollarik, Gorazd"]
[Result "1-0"]
[ECO "A70"]
[PlyCount "140"]
[EventDate "1996.??.??"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Qc2 0-0 9. Bf4 a6 10. a4 Nh5 11. Bg3 Bg4 12. Nd2 Qc7 13. f3 Bc8 14. Bf2 Nd7 15. g4 Nhf6 16. Bg3 Ne8 17. f4 f6 18. f5 g5 19. h4 h6 20. hxg5 hxg5 21. Nf3 Kf7 22. Bc4 Ke7 23. Rh7 b6 24. Qh2 Bb7 25. Nd2 Rf7 26. Bd3 Ne5 27. Bxe5 dxe5 28. Nc4 Nd6 29. Qh5 Nxc4 30. Bxc4 Kd6 31. Kd2 Qe7 32. Rh1 Rc8 33. Nd1 Rc7 34. Ne3 Bf8 35. Rxf7 Qxf7 36. Qxf7 Rxf7 37. Rh8 Bc8 38. Be2 Bd7 39. Bxa6 Bxa4 40. Bc8 Bd7 41. Nc4+ Kc7 42. Bxd7 Kxd7 43. Nxb6+ Kc7 44. Nc4 Kb7 45. Ne3 Kb6 46. Kc3 Kb5 47. Nf1 c4 48. Ng3 Bb4+ 49. Kc2 Kc5 50. Rc8+ Kd4 51. Rc6 Ba5 52. Nh5 Bd8 53. Rd6 Rf8 54. Ng7 Kxe4 55. Ne6 Be7 56. Rd7 Rh8 57. Rxe7 Kxd5 58. Rd7+ Kc6 59. Rd2 Rh4 60. Rg2 Kb5 61. Ng7 Kc5 62. Nh5 Kd4 63. Nxf6 e4 64. Nxe4 Kxe4 65. f6 Rh7 66. Rf2 Rf7 67. Kc3 Kd5 68. Rf5+ Ke6 69. Kxc4 Rc7+ 70. Kd3 Rb7 1-0

[Event "SVK-chT3A 9697"]
[Site "Slovakia"]
[Date "1997.??.??"]
[Round "5"]
[White "Puchart, Vladimir"]
[Black "Onderco, Jan"]
[Result "1-0"]
[ECO "A58"]
[PlyCount "123"]
[EventDate "1996.??.??"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 g6 7. g3 d6 8. Bg2 Bg7 9. Nf3 0-0 10. 0-0 Nbd7 11. Rb1 Nb6 12. Re1 Bc4 13. e4 Bxa2 14. Nxa2 Rxa2 15. Bd2 Nfd7 16. Bc3 Qc7 17. Bxg7 Kxg7 18. Qb3 Rfa8 19. e5 c4 20. exd6 exd6 21. Qc3+ Nf6 22. Nd2 R8a5 23. Re3 Na4 24. Qxc4 Qxc4 25. Nxc4 Rc5 26. b3 Rc2 27. Nxd6 Nc3 28. Rbe1 Ncxd5 29. Re5 Rd2 30. Ne4 Nxe4 31. Bxe4 Kf6 32. Rxd5 Rcxd5 33. Bxd5 Rxd5 34. Kf1 Rd2 35. Rb1 Ke5 36. b4 Kd6 37. b5 Kc7 38. Kg2 Kb6 39. h4 h5 40. Rb3 Rd4 41. Kf3 f5 42. Ke3 Re4+ 43. Kd3 Ra4 44. Ke3 Re4+ 45. Kf3 Rd4 46. Ke2 Rc4 47. Kd2 f4 48. Rc3 Kxb5 49. Rxc4 Kxc4 50. gxf4 Kd4 51. f3 Kd5 52. Kd3 Kd6 53. Kd4 Ke6 54. Ke4 Kf6 55. f5 g5 56. hxg5+ Kxg5 57. Ke5 h4 58. f6 h3 59. f7 Kh4 60. Kf4 h2 61. f8Q Kh3 62. Qg7 1-0

[Event "SVK-chT2B 9596"]
[Site "Slovakia"]
[Date "1996.??.??"]
[Round "7"]
[White "Onderco, Jan"]
[Black "Cvicela, Anton"]
[Result "0-1"]
[ECO "D37"]
[BlackElo "2040"]
[PlyCount "154"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "SVK"]
[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. Bf4 e6 5. Nf3 Nbd7 6. e3 Be7 7. Be2 0-0 8. 0-0 Nh5 9. Ne5 Nxf4 10. exf4 dxc4 11. Bxc4 Nf6 12. g4 Nd5 13. Nxd5 exd5 14. Bb3 Bd6 15. Qf3 Qh4 16. h3 h5 17. Bd1 g6 18. Kg2 Kg7 19. gxh5 gxh5 20. Qg3+ Qxg3+ 21. fxg3 f6 22. Nf3 Bf5 23. Nh4 Be4+ 24. Bf3 f5 25. Kf2 Kh6 26. Rac1 Rae8 27. a3 Re6 28. Be2 Bc7 29. Nf3 Bb6 30. Rfd1 Rg6 31. Ne5 Rg7 32. h4 a5 33. Rc3 a4 34. Nf3 Re7 35. Ne5 Rc8 36. Bb5 Ba5 37. Rcc1 Rg8 38. Bxa4 Reg7 39. Rg1 Bb6 40. Rcd1 c5 41. Nd7 Rxd7 42. Bxd7 cxd4 43. Ke2 d3+ 44. Kd2 Bf2 45. Bb5 Bxg3 46. Kc3 Rc8+ 47. Kb3 Bxh4 48. Bxd3 Rd8 49. Bxe4 fxe4 50. f5 Bg5 51. Rge1 h4 52. Kc3 Bf6+ 53. Kc2 Kg5 54. Rf1 d4 55. Rd2 d3+ 56. Kd1 h3 57. Rg1+ Kf4 58. Rf2+ Ke5 59. Rh2 Rh8 60. Rg3 Kxf5 61. Rgxh3 Rxh3 62. Rxh3 Bxb2 63. a4 Kg4 64. Rh7 e3 65. Rc7 Be5 66. Rc5 e2+ 67. Kd2 Bf4+ 68. Kxd3 e1Q 69. Rc4 Qf1+ 70. Kc3 Kf5 71. Kb4 Ke5 72. a5 Kd5 73. Rc8 Bd2+ 74. Kb3 Qb1+ 75. Ka3 Bb4+ 76. Ka4 Bc5 77. Rd8+ Kc4 0-1

[Event "SVK-chT2 9596"]
[Site "Slovakia"]
[Date "1995.??.??"]
[Round "?"]
[White "Arpa, Zoltan"]
[Black "Onderco, Jan"]
[Result "0-1"]
[ECO "A57"]
[PlyCount "88"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "13"]
[EventCountry "SVK"]
[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. b3 bxc4 5. bxc4 g6 6. Nc3 d6 7. Bd2 Bg7 8. Rc1 0-0 9. e4 Nbd7 10. Nf3 Nb6 11. Bd3 Ba6 12. Qe2 Nfd7 13. 0-0 Ne5 14. Nxe5 Bxe5 15. f4 Bd4+ 16. Kh1 e6 17. Rf3 exd5 18. cxd5 Bxd3 19. Qxd3 f5 20. Nb5 fxe4 21. Qxe4 Re8 22. Qd3 Bg7 23. f5 Re5 24. fxg6 Rxd5 25. gxh7+ Kh8 26. Qc2 Rh5 27. Bc3 Rxh7 28. Bxg7+ Rxg7 29. Rh3+ Kg8 30. Qe4 Qf6 31. Nc7 Rxc7 32. Qg4+ Rg7 33. Qe4 Rf8 34. Rf3 Qg5 35. Rff1 Rxf1+ 36. Rxf1 Qe5 37. Qf3 Qe7 38. Qh5 Qe4 39. Qh3 Qe7 40. Qd3 Qe6 41. Qf3 c4 42. Qc3 Qe2 43. Qf3 Qxf3 44. Rxf3 d5 0-1

[Event "SVK-chT2 9596"]
[Site "Slovakia"]
[Date "1995.??.??"]
[Round "?"]
[White "Castiglione, Mario"]
[Black "Onderco, Jan"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "2245"]
[PlyCount "77"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "13"]
[EventCountry "SVK"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. d3 Nf6 4. g3 g6 5. Bg2 Bg7 6. f4 Nc6 7. Nf3 Bg4 8. h3 Bxf3 9. Bxf3 Qd7 10. Ne2 e5 11. Bg2 Nd4 12. c3 Nxe2 13. Qxe2 Nh5 14. Qf3 0-0-0 15. f5 Nf6 16. 0-0 gxf5 17. Qxf5 Qxf5 18. Rxf5 h6 19. Be3 b6 20. Raf1 Rd7 21. Rxf6 Bxf6 22. Rxf6 h5 23. h4 Kc7 24. Bh3 Re7 25. Bg5 Rh7 26. Kh2 b5 27. Rf5 Re8 28. Rf6 Re7 29. Bf5 Rh8 30. Rh6 Rxh6 31. Bxh6 Kc6 32. Bg5 Re8 33. Bf6 b4 34. c4 Rb8 35. g4 hxg4 36. h5 Rb6 37. h6 Ra6 38. h7 Rxa2 39. h8Q 1-0

[Event "SVK-chT2 9596"]
[Site "Slovakia"]
[Date "1995.??.??"]
[Round "?"]
[White "Cvicela, Anton"]
[Black "Onderco, Jan"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2040"]
[PlyCount "99"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "13"]
[EventCountry "SVK"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. f4 d6 3. Nf3 Nf6 4. Nc3 g6 5. Bc4 Bg7 6. 0-0 Nc6 7. d3 e6 8. f5 0-0 9. fxe6 Bxe6 10. Bxe6 fxe6 11. Qe1 Ng4 12. Qg3 Nge5 13. Be3 Nxf3+ 14. gxf3 Bd4 15. f4 Bxe3+ 16. Qxe3 Nd4 17. Rf2 Qh4 18. Qg3 Qxg3+ 19. hxg3 b5 20. Nd1 Rf7 21. Ne3 Raf8 22. Raf1 Nc6 23. Kg2 Ne7 24. g4 d5 25. g5 Rd8 26. Rh1 dxe4 27. dxe4 Rd4 28. Ng4 Kh8 29. Ne5 Rg7 30. Kf3 a5 31. Ke3 a4 32. Nd3 Rc4 33. Ne5 Rd4 34. Rff1 Rg8 35. Rd1 Rc8 36. c3 Rxd1 37. Rxd1 Nc6 38. Nf7+ Kg8 39. Rd7 b4 40. Nh6+ Kh8 41. Ng4 Kg8 42. Nf6+ Kf8 43. Nxh7+ Kg8 44. Nf6+ Kf8 45. Rh7 Ne7 46. Rh8+ Kf7 47. Rxc8 Nxc8 48. Nd7 bxc3 49. bxc3 c4 50. Ne5+ 1-0

[Event "SVK-chT2 9596"]
[Site "Slovakia"]
[Date "1995.??.??"]
[Round "?"]
[White "Granec, Stefan"]
[Black "Onderco, Jan"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "68"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "13"]
[EventCountry "SVK"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. g4 d5 2. e3 c5 3. d4 cxd4 4. exd4 Nc6 5. Bg2 e6 6. Ne2 Bd6 7. 0-0 Nf6 8. Ng3 0-0 9. g5 Bxg3 10. gxf6 Bd6 11. fxg7 Re8 12. c4 Qf6 13. Be3 Qxg7 14. Nc3 Ne7 15. cxd5 Nxd5 16. Ne4 Bf4 17. Qf3 Bxe3 18. fxe3 f5 19. Ng3 Bd7 20. Rad1 Bc6 21. e4 fxe4 22. Nxe4 Rf8 23. Qh3 Nf4 24. Rxf4 Rxf4 25. Qxe6+ Kh8 26. d5 Bd7 27. Qd6 Rxe4 28. Kh1 Re2 29. Bf3 Re3 30. Rg1 Qe7 31. Qf4 Rf8 32. Qd4+ Qe5 33. Qxa7 Rexf3 34. Qxb7 Rf2 0-1

[Event "SVK-chT2B 9596"]
[Site "Slovakia"]
[Date "1995.??.??"]
[Round "3"]
[White "Gyarmati, Tichomir"]
[Black "Onderco, Jan"]
[Result "0-1"]
[ECO "A57"]
[PlyCount "126"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "SVK"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. d5 b5 5. Qc2 b4 6. e4 d6 7. Bd3 Bg7 8. Bf4 Nbd7 9. 0-0 0-0 10. Nbd2 a5 11. a4 bxa3 12. Rxa3 Qb6 13. Rb3 Qc7 14. Ra1 a4 15. Rba3 Nb6 16. h3 Bd7 17. Nb1 Rfb8 18. Nc3 Qb7 19. e5 Ne8 20. Re1 Ra7 21. Re2 Rba8 22. Ne4 Nc8 23. Neg5 Nc7 24. Nxf7 Kxf7 25. e6+ Ke8 26. Bxg6+ hxg6 27. Qxg6+ Kd8 28. Qxg7 Be8 29. Ng5 Nxd5 30. cxd5 Qxd5 31. Rd2 Qf5 32. Nf7+ Kc7 33. Bxd6+ Kb6 34. Be5 Qxe6 35. Rf3 Bc6 36. Rg3 Qc4 37. Rc3 Qe4 38. Nd8 Qe1+ 39. Kh2 Qxd2 40. Ne6 Qxf2 41. Nxc5 Ra5 42. Bd4 Qf4+ 43. Kg1 Rxc5 44. Bxc5+ Kb5 45. Be3 Qe4 46. Rc5+ Ka6 47. Qg5 Kb7 48. Qg3 a3 49. Rc3 Ra4 50. bxa3 Nd6 51. Rb3+ Nb5 52. Bc5 Rc4 53. Bf2 Ka6 54. Kh2 Rc2 55. Re3 Qf5 56. Kg1 Nd4 57. Rxe7 Ne2+ 58. Rxe2 Rxe2 59. Kf1 Ra2 60. Kg1 Qb1+ 61. Kh2 Qf1 62. Qg6 Rc2 63. Qxc2 Qxg2# 0-1

[Event "SVK-chT2 9596"]
[Site "Slovakia"]
[Date "1995.??.??"]
[Round "?"]
[White "Kralova, Klaudia"]
[Black "Onderco, Jan"]
[Result "1-0"]
[ECO "A57"]
[PlyCount "81"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "13"]
[EventCountry "SVK"]
[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. e3 bxc4 5. Bxc4 d6 6. Nc3 g6 7. Nf3 Bg7 8. 0-0 0-0 9. Qe2 a5 10. Rd1 Ba6 11. Bxa6 Nxa6 12. Nd2 Nc7 13. Nc4 Qb8 14. Bd2 Nfxd5 15. Nxd5 Nxd5 16. Bxa5 Nb4 17. Qd2 Nc6 18. Bc3 Qb5 19. Bxg7 Kxg7 20. Qc3+ Kg8 21. a3 Rfb8 22. Rab1 Na5 23. Nxa5 Rxa5 24. e4 f6 25. b4 Ra4 26. Qb3+ Kf8 27. Qh3 Kg7 28. Qe6 Rb7 29. Rbc1 Rxa3 30. bxc5 dxc5 31. Rd8 Qb2 32. Qg8+ Kh6 33. Qf8+ Kg5 34. h4+ Kg4 35. Qh6 Ra1 36. Rdd1 Rxc1 37. Rxc1 Qd4 38. Rf1 e5 39. Kh2 g5 40. hxg5 Kf4 41. Qh4# 1-0

[Event "SVK-chT2B 9596"]
[Site "Slovakia"]
[Date "1995.??.??"]
[Round "1"]
[White "Miklas, Marian"]
[Black "Onderco, Jan"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "63"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "SVK"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c5 3. Bg2 g6 4. Nc3 Bg7 5. e3 0-0 6. Nge2 d6 7. 0-0 Nc6 8. Rb1 Rb8 9. a3 Be6 10. d3 d5 11. Nf4 d4 12. Nxe6 fxe6 13. Ne2 e5 14. b4 cxb4 15. axb4 e6 16. b5 Ne7 17. exd4 exd4 18. Bf4 Rc8 19. Bxb7 Rc5 20. Bg2 e5 21. Bd2 Rc8 22. Qa4 Qd7 23. Ra1 Rc7 24. Ba5 Rcc8 25. Bb4 Rc7 26. Qb3 Kh8 27. Ra6 Ne8 28. Rfa1 Rf6 29. Rxf6 Bxf6 30. Ra6 Nc8 31. Bc6 Qf7 32. Bxe8 1-0

[Event "SVK-chT2B 9596"]
[Site "Slovakia"]
[Date "1995.??.??"]
[Round "5"]
[White "Onderco, Jan"]
[Black "Bartek, Zdenek"]
[Result "1/2-1/2"]
[ECO "D52"]
[PlyCount "47"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "SVK"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Bxf6 Nxf6 8. Be2 Bb4 9. Qc2 Ne4 10. Rc1 Qxa2 11. 0-0 Bxc3 12. bxc3 Qxc2 13. Rxc2 0-0 14. cxd5 exd5 15. c4 Be6 16. c5 a5 17. Ra1 Ra7 18. Ne5 Nf6 19. Rb2 Nd7 20. Nxd7 Bxd7 21. Rb6 Bf5 22. Ra3 Rfa8 23. Kf1 g6 24. Ke1 1/2-1/2

[Event "SVK-chT2 9596"]
[Site "Slovakia"]
[Date "1995.??.??"]
[Round "?"]
[White "Onderco, Jan"]
[Black "Docolomansky, Rudolf"]
[Result "1/2-1/2"]
[ECO "E80"]
[PlyCount "70"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "13"]
[EventCountry "SVK"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 c6 5. f3 Bg7 6. Be3 Qc7 7. Qd2 a6 8. 0-0-0 Nbd7 9. Kb1 b5 10. g4 Bb7 11. h4 h5 12. g5 Nh7 13. Rc1 Qa5 14. Bd3 b4 15. Nce2 c5 16. d5 Ne5 17. f4 Nxd3 18. Qxd3 0-0-0 19. Nf3 Qc7 20. Ng3 Kb8 21. f5 Nf8 22. Bf4 Nd7 23. Rhe1 Bc8 24. Re3 Rhf8 25. a3 a5 26. axb4 cxb4 27. Qc2 Qc5 28. e5 Nxe5 29. Nxe5 Bxe5 30. Rf3 Bxf4 31. Rxf4 Qe3 32. Qf2 Qxf2 33. Rxf2 e6 34. fxg6 fxg6 35. Rcf1 Rg8 1/2-1/2

[Event "SVK-chT2 9596"]
[Site "Slovakia"]
[Date "1995.??.??"]
[Round "?"]
[White "Onderco, Jan"]
[Black "Gubis, Vladimir"]
[Result "0-1"]
[ECO "D37"]
[PlyCount "84"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "13"]
[EventCountry "SVK"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Bf4 c6 5. e3 Nf6 6. Nf3 Nbd7 7. Bd3 Qa5 8. 0-0 dxc4 9. Bxc4 Nd5 10. Nxd5 exd5 11. Bb3 Nf6 12. Rc1 Bg4 13. h3 Be6 14. a3 Qb6 15. Ne5 0-0 16. Nd3 Rfd8 17. Ba2 a5 18. Rb1 Bf5 19. g4 Bg6 20. f3 Qb5 21. e4 dxe4 22. Ne5 Rxd4 23. Qc2 Nd5 24. Nxg6 hxg6 25. fxe4 Nxf4 26. Rxf4 Bf6 27. Re1 Qe5 28. Rf3 Rad8 29. Re2 Rd1+ 30. Kg2 Qd4 31. Rf1 Rxf1 32. Kxf1 Qe5 33. Kg2 Rd7 34. Qb3 b5 35. Qc2 Bh4 36. Qb3 a4 37. Qf3 c5 38. Bd5 c4 39. Rc2 Kf8 40. Rc3 Bf6 41. Rc2 Bh4 42. Qe3 Rxd5 0-1

[Event "SVK-chT2 9596"]
[Site "Slovakia"]
[Date "1995.??.??"]
[Round "?"]
[White "Onderco, Jan"]
[Black "Halasz, Michal"]
[Result "1/2-1/2"]
[ECO "D52"]
[PlyCount "21"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "13"]
[EventCountry "SVK"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c6 5. e3 Nbd7 6. Nf3 Qa5 7. Bxf6 Nxf6 8. a3 Ne4 9. Qc1 c5 10. Bd3 Nxc3 11. bxc3 1/2-1/2

[Event "SVK-chT2 9596"]
[Site "Slovakia"]
[Date "1995.??.??"]
[Round "?"]
[White "Onderco, Jan"]
[Black "Kuna, Marian"]
[Result "1/2-1/2"]
[ECO "E87"]
[PlyCount "126"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "13"]
[EventCountry "SVK"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. f3 0-0 6. Be3 e5 7. d5 Nh5 8. g4 Nf4 9. Nge2 Qh4+ 10. Bf2 Qe7 11. Qd2 Bh6 12. Be3 Qh4+ 13. Ng3 f5 14. gxf5 gxf5 15. 0-0-0 Nd3+ 16. Bxd3 f4 17. Nf5 Bxf5 18. exf5 fxe3 19. Qe2 Nd7 20. Rdg1+ Kf7 21. Rg4 Qh3 22. Rhg1 Nf6 23. R4g3 Qh5 24. Kc2 a6 25. Nd1 Rg8 26. R1g2 Bf4 27. Rxg8 Rxg8 28. Rxg8 Nxg8 29. Nxe3 Qxh2 30. Ng2 h5 31. Nxf4 Qxf4 32. Qg2 Ne7 33. Qh3 h4 34. Be4 Qg3 35. Qg4 Qxg4 36. fxg4 Kf6 37. Kd2 Kg5 38. Ke3 Ng8 39. Bf3 Nf6 40. b4 e4 41. Be2 h3 42. Kf2 Kf4 43. Kg1 e3 44. Kh2 Nxg4+ 45. Kxh3 Ne5 46. f6 Kg5 47. Kg3 Kxf6 48. Kf4 Nd7 49. Kxe3 Ke5 50. Bg4 Nb6 51. Kd3 c6 52. dxc6 bxc6 53. Bd1 Nd7 54. Bf3 Nb8 55. Bg4 Kf4 56. Bc8 Ke5 57. a4 Kf6 58. Ke4 Ke7 59. c5 dxc5 60. bxc5 a5 61. Bg4 Na6 62. Kd4 Kd8 63. Bf5 Kc7 1/2-1/2

[Event "SVK-chT2B 9394"]
[Site "Slovakia"]
[Date "1994.??.??"]
[Round "9"]
[White "Barta, Ervin"]
[Black "Onderco, Jan"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2050"]
[BlackElo "1895"]
[PlyCount "63"]
[EventDate "1993.??.??"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "SVK"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. g3 Bg7 4. Bg2 0-0 5. c4 c5 6. Nc3 d6 7. e3 Nc6 8. Nge2 Rb8 9. 0-0 Bg4 10. h3 Bd7 11. d4 Nb4 12. d5 Qc8 13. Kh2 Bf5 14. Qd2 h5 15. e4 Bd7 16. f4 Nh7 17. Nd1 f6 18. Bc3 Na6 19. Nf2 e5 20. dxe6 Bxe6 21. f5 gxf5 22. exf5 Bxf5 23. Nf4 Bh6 24. Qd5+ Rf7 25. Nxh5 Qe6 26. g4 Qe3 27. Qxf5 Qxc3 28. Qg6+ Bg7 29. Bd5 Qe5+ 30. Kg2 f5 31. Qxf7+ Kh8 32. Rae1 1-0

[Event "SVK-chT2B 9394"]
[Site "Slovakia"]
[Date "1994.??.??"]
[Round "10"]
[White "Jelenciak, Jozef"]
[Black "Onderco, Jan"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1985"]
[BlackElo "1895"]
[PlyCount "74"]
[EventDate "1993.??.??"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "SVK"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 g6 5. d3 Bg7 6. f4 Nc6 7. Nf3 Bg4 8. h3 Bxf3 9. Bxf3 Rb8 10. 0-0 0-0 11. Ne2 Nd7 12. f5 Nd4 13. Bg2 e6 14. c3 Nxe2+ 15. Qxe2 exf5 16. exf5 Re8 17. Qc2 Be5 18. fxg6 hxg6 19. Bd5 Bf6 20. Qb3 Rf8 21. Bh6 Bg7 22. Rxf7 Rxf7 23. Bxf7+ Kh8 24. Bxg7+ Kxg7 25. Rf1 Qg5 26. Kg2 b6 27. Qe6 Ne5 28. Qxd6 Rd8 29. Qe6 Rxd3 30. g4 Rd2+ 31. Kh1 Nd3 32. Kg1 Nf4 33. Qe8 Nxh3+ 34. Kh1 Rd8 35. Qc6 Rd2 36. Qe8 Nf2+ 37. Rxf2 Qh4+ 0-1

[Event "SVK-chT2B 9394"]
[Site "Slovakia"]
[Date "1994.??.??"]
[Round "12"]
[White "Kubovic, Ladislav"]
[Black "Onderco, Jan"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2130"]
[BlackElo "1895"]
[PlyCount "46"]
[EventDate "1993.??.??"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "SVK"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 g6 5. f4 Bg7 6. Nh3 Nc6 7. Nf2 0-0 8. 0-0 Rb8 9. d3 e5 10. Kh1 exf4 11. Bxf4 Nh5 12. Be3 Be5 13. Ng4 Be6 14. Bf3 Kh8 15. Nxe5 Nxe5 16. Bxh5 gxh5 17. Qxh5 Qd7 18. Bxc5 Bg4 19. Qh6 f6 20. Rxf6 Ng6 21. Rxf8+ Rxf8 22. Bd4+ Kg8 23. Nd5 Qe6 1-0

[Event "SVK-chT2B 9394"]
[Site "Slovakia"]
[Date "1994.??.??"]
[Round "8"]
[White "Onderco, Jan"]
[Black "Felcir, Jaroslav"]
[Result "0-1"]
[ECO "E80"]
[WhiteElo "1895"]
[BlackElo "2150"]
[PlyCount "38"]
[EventDate "1993.??.??"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "SVK"]
[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. f3 Nc6 6. Be3 e5 7. d5 Ne7 8. Qd2 h5 9. 0-0-0 Bd7 10. Bd3 a6 11. Nge2 b5 12. cxb5 axb5 13. Nxb5 Rxa2 14. Na3 Ra1+ 15. Bb1 0-0 16. Nc3 Qa8 17. Na2 Nfxd5 18. exd5 Bf5 19. Nc2 Qxa2 0-1

[Event "SVK-chT2B 9394"]
[Site "Slovakia"]
[Date "1994.??.??"]
[Round "7"]
[White "Onderco, Jan"]
[Black "Iglar, Jozef"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "1895"]
[BlackElo "1900"]
[PlyCount "119"]
[EventDate "1993.??.??"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "SVK"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 b6 7. Rc1 Bb7 8. Bxf6 Bxf6 9. cxd5 exd5 10. Bd3 a6 11. 0-0 Re8 12. Bb1 g6 13. Qc2 Nd7 14. Rfd1 Nf8 15. b4 Ne6 16. a4 Qe7 17. Qb3 Red8 18. a5 Rab8 19. axb6 cxb6 20. Na4 Qd6 21. Bd3 Rd7 22. Rc2 Rc7 23. Nc3 b5 24. Rdc1 Rbc8 25. Na2 Rxc2 26. Bxc2 Be7 27. Ne1 Bd8 28. Nd3 Bc6 29. Bd1 Bb7 30. Rxc8 Bxc8 31. Nc3 Bb7 32. Bf3 Nc7 33. Nf4 Be7 34. Ncxd5 Bxd5 35. Nxd5 Nxd5 36. Bxd5 Qxb4 37. Bxf7+ Kf8 38. Qxb4 Bxb4 39. Bd5 Bc3 40. Bb7 a5 41. Bc6 b4 42. Ba4 Ke7 43. Kf1 Kd6 44. Ke2 g5 45. Kd3 Be1 46. f3 h5 47. Kc4 Bd2 48. e4 Bf4 49. h3 Be3 50. g4 hxg4 51. hxg4 Ke6 52. Bb3 Kd6 53. e5+ Ke7 54. Kd3 Bc1 55. Ke4 Bb2 56. d5 Bc1 57. d6+ Kd7 58. Kd5 Bf4 59. e6+ Ke8 60. Ba4+ 1-0

[Event "SVK-chT2B 9394"]
[Site "Slovakia"]
[Date "1994.??.??"]
[Round "14"]
[White "Onderco, Jan"]
[Black "Sun, J."]
[Result "1-0"]
[ECO "E87"]
[WhiteElo "1895"]
[BlackElo "1750"]
[PlyCount "45"]
[EventDate "1993.??.??"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "SVK"]
[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. f3 e5 6. d5 0-0 7. Be3 Nbd7 8. Qd2 a6 9. 0-0-0 Nb6 10. Bd3 Bd7 11. Nge2 c6 12. g4 cxd5 13. exd5 Re8 14. h4 Rc8 15. b3 a5 16. h5 a4 17. hxg6 hxg6 18. Bh6 Bh8 19. Bf8 Rxf8 20. Rxh8+ Kxh8 21. Qh6+ Nh7 22. Rh1 Qg5+ 23. Qxg5 1-0

[Event "SVK-chT2B 9394"]
[Site "Slovakia"]
[Date "1994.??.??"]
[Round "13"]
[White "Vlkovic, Pavol"]
[Black "Onderco, Jan"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1750"]
[BlackElo "1895"]
[PlyCount "84"]
[EventDate "1993.??.??"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "SVK"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Nf3 0-0 8. h3 b6 9. 0-0 Bb7 10. Bd3 Nc6 11. a3 Rc8 12. Be3 Na5 13. Qe2 e6 14. Rad1 Qc7 15. Nb5 Qb8 16. Bf4 Ne8 17. Rfe1 a6 18. Nc3 b5 19. e5 Bxf3 20. Qxf3 d5 21. g4 Nc4 22. Bc1 b4 23. Na4 bxa3 24. bxa3 Nb6 25. Nc5 a5 26. a4 Nc7 27. Ba3 Rfd8 28. Rb1 Qa7 29. Rec1 Bf8 30. Rc3 Nd7 31. Nxd7 Rxd7 32. Bxf8 Rxf8 33. Qf4 Na6 34. Bxa6 Qxa6 35. Rcb3 Qc4 36. Qf6 Rc7 37. Rb8 Rfc8 38. Rxc8+ Rxc8 39. Rb7 Rf8 40. Kg2 Qxd4 41. Rd7 Qxa4 42. Qe7 Qe4+ 0-1

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1993.??.??"]
[Round "?"]
[White "Borgula, Miloslav"]
[Black "Onderco, Jan"]
[Result "1/2-1/2"]
[ECO "A58"]
[PlyCount "47"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SVK"]
[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. bxa6 Bxa6 6. Nc3 g6 7. g3 d6 8. Bg2 Bg7 9. Nf3 0-0 10. 0-0 Nbd7 11. Bd2 Bc4 12. Qc1 Nxd5 13. Nxd5 Bxd5 14. Bh6 Rxa2 15. Rxa2 Bxa2 16. Bxg7 Kxg7 17. b3 Nf6 18. Qb2 Qa5 19. Ra1 Ra8 20. Ng5 Ra7 21. Bd5 Qa3 22. Qc3 Qb4 23. Qb2 Qa3 24. Qc3 1/2-1/2

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1993.??.??"]
[Round "?"]
[White "Cerny, Lumir"]
[Black "Onderco, Jan"]
[Result "1/2-1/2"]
[ECO "E61"]
[PlyCount "64"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e3 0-0 6. Nge2 d6 7. d4 Na6 8. a3 Nc7 9. 0-0 Rb8 10. b4 b6 11. Qc2 a6 12. bxc5 bxc5 13. dxc5 dxc5 14. Rd1 Bd7 15. Rb1 Rxb1 16. Qxb1 Qc8 17. Qb6 Na8 18. Qa7 Bh3 19. Qxe7 Bxg2 20. Kxg2 Nb6 21. Nd5 Qc6 22. Qc7 Qxc7 23. Nxc7 a5 24. Na6 Rc8 25. Nc3 Nxc4 26. e4 Bf8 27. a4 Nb6 28. Ba3 Nbd7 29. f4 Rc6 30. e5 Rxa6 31. exf6 Nxf6 32. Rd8 Rc6 1/2-1/2

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1993.??.??"]
[Round "?"]
[White "Djurkovic, Maks"]
[Black "Onderco, Jan"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2220"]
[PlyCount "79"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. Bg5 g6 5. Bxf6 exf6 6. e3 c4 7. a4 Ba6 8. axb5 Bxb5 9. Nd4 Ba6 10. Ra4 Qc8 11. Nd2 c3 12. bxc3 Bxf1 13. Kxf1 Be7 14. c4 0-0 15. Qa1 a6 16. f3 Re8 17. Kf2 f5 18. Rb1 Bf6 19. Rb6 Bg7 20. g3 g5 21. c3 f4 22. e4 Be5 23. Qa3 fxg3+ 24. hxg3 Qc7 25. Qb2 Bxg3+ 26. Kg2 Bh4 27. Nf5 Qf4 28. c5 Be1 29. Nf1 g4 30. Nh6+ Kf8 31. Nxg4 Qg5 32. Qa1 Bh4 33. c4 Re5 34. Qxe5 h5 35. Qxg5 Bxg5 36. Nf6 h4 37. Rxb8+ Rxb8 38. Nxd7+ Ke7 39. Nxb8 Bf4 40. Nxa6 1-0

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1993.??.??"]
[Round "1"]
[White "Gazi, Mikulas"]
[Black "Onderco, Jan"]
[Result "1-0"]
[ECO "B71"]
[WhiteElo "2250"]
[PlyCount "49"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nf3 Bg7 8. Bd3 0-0 9. 0-0 b6 10. Qe1 Bb7 11. Qh4 Nb4 12. f5 Nxd3 13. cxd3 gxf5 14. Ng5 h6 15. Nh3 Kh7 16. Rxf5 e6 17. Rf3 Ng8 18. Ng5+ Kg6 19. Rg3 Bf6 20. Nxe6+ Kh7 21. Nxf8+ Qxf8 22. Qf4 Be5 23. Qf5+ Kh8 24. Bf4 Bc8 25. Bxe5+ 1-0

[Event "SVK-chT2B 9394"]
[Site "Slovakia"]
[Date "1993.??.??"]
[Round "3"]
[White "Lancz, Ondrej"]
[Black "Onderco, Jan"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "1995"]
[BlackElo "1895"]
[PlyCount "116"]
[EventDate "1993.??.??"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "SVK"]
[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. Nc3 bxc4 5. e4 d6 6. Bxc4 g6 7. Nf3 Bg7 8. 0-0 0-0 9. Re1 Bg4 10. h3 Bxf3 11. Qxf3 Nbd7 12. Qe2 Ne8 13. Bd2 Nc7 14. Rad1 Rb8 15. b3 Ne5 16. f4 Nxc4 17. bxc4 Bd4+ 18. Kh1 Rb2 19. Qd3 e5 20. dxe6 fxe6 21. Ne2 e5 22. Nxd4 cxd4 23. Qa3 Rb7 24. Bb4 Rxf4 25. Bxd6 Qg5 26. Be7 Qh5 27. Qd6 Rf2 28. Bf6 Ne8 29. Qe6+ Kf8 30. Rf1 Nxf6 31. Qc8+ Kg7 32. Qxb7+ Kh6 33. Rxf2 Qxd1+ 34. Kh2 Nh5 35. Qf7 Qe1 36. Qf8+ Kg5 37. Qe7+ Kh6 38. Qf8+ Kg5 39. Qf3 Nf4 40. g3 Nh5 41. Qe2 Qxe2 42. Rxe2 Kf6 43. Kg2 Ke6 44. Rb2 Kd6 45. Rb5 Nf6 46. Kf3 Nd7 47. Ra5 Kc6 48. Rxa7 h6 49. Ra5 Kb6 50. Rb5+ Kc6 51. a4 Nb6 52. Rxe5 Nxc4 53. Re6+ Kc5 54. Re8 Kb4 55. Ke2 Kc3 56. Rc8 d3+ 57. Kd1 Kd4 58. Rxc4+ Kxc4 1-0

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1993.??.??"]
[Round "?"]
[White "Novak, Stanislav"]
[Black "Onderco, Jan"]
[Result "1-0"]
[ECO "B77"]
[PlyCount "41"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Qd2 Qa5 10. h4 Qb4 11. Nxc6 bxc6 12. Bb3 Bd7 13. h5 Nxh5 14. g4 Nf6 15. Bh6 Bxh6 16. Qxh6 a5 17. 0-0-0 Rfc8 18. g5 Nh5 19. Rxh5 gxh5 20. g6 hxg6 21. Qxg6+ 1-0

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1993.??.??"]
[Round "?"]
[White "Onderco, Jan"]
[Black "Federic, Pavol"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "55"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bf4 Bf5 5. e3 Nbd7 6. Nf3 e6 7. c5 Be7 8. Bd3 Bxd3 9. Qxd3 b6 10. b4 a5 11. b5 bxc5 12. bxc6 Nb6 13. Qb5 0-0 14. c7 Qd7 15. Qxb6 cxd4 16. Qxd4 Bb4 17. 0-0 Qc6 18. Rac1 Qd7 19. Qd3 Bd6 20. Bxd6 Qxd6 21. Nb5 Qa6 22. a4 Ne4 23. Nfd4 Qb6 24. Rc6 Qb7 25. Rfc1 Rfc8 26. f3 Nf6 27. Nd6 Qa7 28. N4b5 1-0

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1993.??.??"]
[Round "?"]
[White "Onderco, Jan"]
[Black "Kasiak, Miroslav"]
[Result "1/2-1/2"]
[ECO "E20"]
[PlyCount "80"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 0-0 5. a3 Bxc3 6. Bxc3 d5 7. e3 Nbd7 8. Nf3 Ne4 9. cxd5 exd5 10. Bd3 f5 11. 0-0 Rf6 12. Rc1 c6 13. Ne5 Nxe5 14. dxe5 Rh6 15. f4 Qh4 16. h3 g5 17. Be1 Qh5 18. Qxh5 Rxh5 19. Bxe4 dxe4 20. Rd1 Be6 21. Rd6 Kf7 22. Bf2 Rg8 23. Kh2 Rh6 24. Rfd1 Rhg6 25. g3 h5 26. Rg1 g4 27. h4 Bc8 28. Rd4 c5 29. Rd2 Rb6 30. Rc1 Rc6 31. Rdc2 b6 32. b4 Ba6 33. bxc5 Rgc8 34. Be1 Ke6 35. Bb4 Bd3 36. Rc3 bxc5 37. Bxc5 a6 38. Bb4 Rxc3 39. Rxc3 Rxc3 40. Bxc3 Bb5 1/2-1/2

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1993.??.??"]
[Round "?"]
[White "Onderco, Jan"]
[Black "Nemec, Tadeus"]
[Result "0-1"]
[ECO "A70"]
[PlyCount "104"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. h3 0-0 9. Nf3 Re8 10. 0-0 Na6 11. a3 Nc7 12. Qc2 Rb8 13. a4 Na6 14. Qb1 Nb4 15. Bf4 Nxd3 16. Qxd3 a6 17. Nd2 Bf8 18. Rfe1 Qc7 19. e5 dxe5 20. Bh2 Ra8 21. Nc4 Nd7 22. d6 Qc6 23. Qd5 Bg7 24. Bxe5 Nxe5 25. Qxc6 bxc6 26. f4 Nf3+ 27. gxf3 Bxh3 28. Ne5 Bxe5 29. fxe5 Bf5 30. f4 Rab8 31. Re2 Rb4 32. Rf2 Reb8 33. Nd1 Kf8 34. Kg2 Ke8 35. Ra3 Kd7 36. Kg3 Rb3+ 37. Rxb3 Rxb3+ 38. Nc3 Rb4 39. a5 Rd4 40. Rf3 Ke6 41. Re3 h6 42. Kf3 g5 43. fxg5 hxg5 44. Kg3 Rg4+ 45. Kf2 Rb4 46. Nd1 Bg4 47. Rd3 Rd4 48. Rxd4 cxd4 49. Ke1 Kxe5 50. Nf2 Bc8 51. d7 Bxd7 52. Nd3+ Kd6 0-1

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1993.??.??"]
[Round "?"]
[White "Onderco, Jan"]
[Black "Priam, Stefan"]
[Result "1-0"]
[ECO "D93"]
[PlyCount "59"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 c6 5. e3 Bg7 6. h3 Qa5 7. Qd2 0-0 8. Nf3 Nbd7 9. Bd3 Nb6 10. cxd5 Nbxd5 11. Bh2 Nxc3 12. bxc3 c5 13. 0-0 Be6 14. c4 cxd4 15. Qxa5 dxe3 16. fxe3 Rfd8 17. Be2 Ne4 18. Be5 Bh6 19. Bd4 Ng3 20. Rfe1 Nxe2+ 21. Rxe2 Bxc4 22. Rd2 Rd5 23. Qb4 b5 24. Qxe7 Bg7 25. Bxg7 Rxd2 26. Nxd2 Kxg7 27. Nxc4 bxc4 28. Rf1 Rf8 29. Qxa7 c3 30. Qd4+ 1-0

[Event "SVK-chT2B 9394"]
[Site "Slovakia"]
[Date "1993.??.??"]
[Round "4"]
[White "Onderco, Jan"]
[Black "Szaraz, Vojtech"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "1895"]
[BlackElo "1750"]
[PlyCount "52"]
[EventDate "1993.??.??"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "SVK"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. Bf4 cxd4 5. Qxd4 Nc6 6. Qd1 Nf6 7. a3 d4 8. Nb1 e5 9. Bg5 Be7 10. e3 Bf5 11. exd4 Nxd4 12. Bd3 e4 13. Bc2 Nxc2+ 14. Qxc2 Qd7 15. Be3 Ng4 16. Qb3 0-0 17. Ne2 Rac8 18. Nd2 Nxe3 19. fxe3 Bc5 20. Rd1 Qe7 21. Nf4 Bg4 22. Rc1 Rfd8 23. Qc3 Bb6 24. Kf2 g5 25. Ne2 Rd3 26. Qc2 Bxe3+ 0-1

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1993.??.??"]
[Round "?"]
[White "Onderco, Jan"]
[Black "Vinarcik, Jan"]
[Result "0-1"]
[ECO "E83"]
[PlyCount "84"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Qd2 e5 8. d5 Ne7 9. Bd3 Nd7 10. Nge2 b6 11. 0-0-0 Nc5 12. Bc2 f5 13. exf5 Nxf5 14. Bg5 Qe8 15. Rdf1 h6 16. Be3 a5 17. a4 Bd7 18. b3 Nxe3 19. Qxe3 Qf7 20. Ng3 Bf5 21. Nce4 Nd7 22. Ne2 Nf6 23. g4 Bxe4 24. Bxe4 Kh8 25. Qd3 Nxe4 26. Qxe4 Bf6 27. h4 Kg7 28. Rh3 Rh8 29. Rfh1 Raf8 30. Kc2 Bd8 31. h5 gxh5 32. Rxh5 Qxf3 33. Qxf3 Rxf3 34. Rf5 Rf8 35. Rxf8 Rxf8 36. Ng3 Rf2+ 37. Kb1 Bg5 38. Nf5+ Kg6 39. Rh3 h5 40. gxh5+ Kxf5 41. h6 Bf6 42. h7 Bh8 0-1

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1991.??.??"]
[Round "3"]
[White "Gazi, Mikulas"]
[Black "Onderco, Jan"]
[Result "1/2-1/2"]
[ECO "B79"]
[PlyCount "32"]
[EventDate "1991.05.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CSR"]
[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 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Qd2 Bd7 10. h4 Qa5 11. 0-0-0 Rfc8 12. Bb3 Ne5 13. Kb1 Nc4 14. Bxc4 Rxc4 15. Nb3 Qd8 16. g4 h5 1/2-1/2

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1991.??.??"]
[Round "1"]
[White "Hujo, Jozef"]
[Black "Onderco, Jan"]
[Result "1-0"]
[ECO "A39"]
[PlyCount "53"]
[EventDate "1991.05.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 0-0 6. 0-0 Nc6 7. d4 Nxd4 8. Nxd4 cxd4 9. Qxd4 d6 10. Rd1 Ng4 11. Qd2 Qb6 12. e3 Ne5 13. Nd5 Qd8 14. Qe2 Be6 15. c5 Rc8 16. cxd6 exd6 17. Rb1 Re8 18. b3 Nc6 19. Ba3 Bf8 20. Rd2 Bxd5 21. Rxd5 Qb6 22. Rbd1 Nb4 23. Rb5 Rc2 24. Rxb6 Rxe2 25. Rxb4 Rxa2 26. Ra4 b5 27. Ra5 1-0

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1991.??.??"]
[Round "5"]
[White "Krocian, Jan"]
[Black "Onderco, Jan"]
[Result "1/2-1/2"]
[ECO "B73"]
[PlyCount "92"]
[EventDate "1991.05.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CSR"]
[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 g6 6. Be2 Bg7 7. 0-0 0-0 8. Be3 Bd7 9. Qd2 Nc6 10. Rad1 Nxd4 11. Bxd4 Bc6 12. f3 Qc7 13. Nd5 Bxd5 14. exd5 a6 15. c4 Nd7 16. Bf2 a5 17. b3 a4 18. b4 a3 19. c5 dxc5 20. bxc5 Nxc5 21. Rc1 b6 22. Qb4 Rfc8 23. Bb5 Ra5 24. Qc4 Be5 25. g3 Bd6 26. Be1 Raa8 27. Qg4 Qd8 28. Bc6 Rab8 29. Bb5 Nb7 30. Bc3 Bc5+ 31. Kg2 Nd6 32. Bd3 Ne8 33. Be4 Nf6 34. Qh4 Nxe4 35. fxe4 f6 36. Rf3 Bd4 37. Qg4 Rxc3 38. Rfxc3 Bxc3 39. Qe6+ Kg7 40. Rxc3 Qd6 41. Qxd6 exd6 42. Rxa3 Rb7 43. Rc3 Ra7 44. a3 h5 45. Kf3 Kf7 46. Ke2 Ke7 1/2-1/2

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1991.??.??"]
[Round "11"]
[White "Onderco, Jan"]
[Black "Blaho, Stefan"]
[Result "0-1"]
[ECO "D60"]
[PlyCount "68"]
[EventDate "1991.05.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CSR"]
[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. Bg5 Nbd7 5. e3 e6 6. Nf3 Be7 7. c5 0-0 8. Be2 h6 9. Bh4 Re8 10. 0-0 e5 11. dxe5 Ne4 12. Bxe7 Qxe7 13. e6 Qxe6 14. Nxe4 dxe4 15. Nd4 Qg6 16. b4 a5 17. a3 Ne5 18. Kh1 Qg5 19. Rc1 Qh4 20. f4 exf3 21. Nxf3 Nxf3 22. Rxf3 axb4 23. Rc4 Qg5 24. Rg3 Qe5 25. axb4 Be6 26. Rd4 Bd5 27. Bc4 Bxc4 28. Rxc4 Ra3 29. Qd2 Ra1+ 30. Rc1 Rea8 31. Kg1 Rxc1+ 32. Kf2 Rca1 33. Qd4 R8a2+ 34. Kf3 Qf5+ 0-1

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1991.??.??"]
[Round "8"]
[White "Onderco, Jan"]
[Black "Huliakova, Margita"]
[Result "1/2-1/2"]
[ECO "D52"]
[PlyCount "112"]
[EventDate "1991.05.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CSR"]
[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. Bg5 e6 5. e3 Nbd7 6. Nf3 Qa5 7. Bxf6 Nxf6 8. a3 Ne4 9. Qc1 f5 10. c5 Be7 11. b4 Qd8 12. Ne5 Bf6 13. f4 0-0 14. Bd3 Bxe5 15. Bxe4 Bxd4 16. Bf3 Bf6 17. 0-0 Qe7 18. Ra2 e5 19. Rd1 exf4 20. exf4 Bxc3 21. Qxc3 Qf6 22. Qe1 Bd7 23. Re2 Rae8 24. Rd3 Rxe2 25. Qxe2 Re8 26. Re3 Qd4 27. Kf2 Kf7 28. g3 a5 29. Qe1 axb4 30. axb4 Rxe3 31. Qxe3 Qxb4 32. h3 Qb2+ 33. Kg1 Be6 34. g4 g6 35. g5 Ke7 36. Kf1 Kd7 37. Ke1 d4 38. Qe5 Qc3+ 39. Kf2 Qe3+ 40. Qxe3 dxe3+ 41. Kxe3 Kc7 42. Kd4 b5 43. Be2 b4 44. Bc4 Kd7 45. Be2 Bd5 46. h4 Ke6 47. Bf1 Kd7 48. Be2 Kc7 49. Bf1 Kb7 50. Be2 Bb3 51. Bf1 Kc7 52. Bc4 Bd1 53. Bg8 Kd7 54. Bxh7 Bh5 55. Kc4 Ke7 56. Bg8 Kf8 1/2-1/2

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1991.??.??"]
[Round "6"]
[White "Onderco, Jan"]
[Black "Kajan, Milan"]
[Result "0-1"]
[ECO "D50"]
[PlyCount "66"]
[EventDate "1991.05.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Bg5 Be7 4. Nc3 d5 5. e3 dxc4 6. Bxc4 Nd5 7. Bxe7 Nxc3 8. Bxd8 Nxd1 9. Rxd1 Kxd8 10. d5 Ke7 11. dxe6 Bxe6 12. Bxe6 Kxe6 13. Nf3 Nc6 14. Ke2 Rad8 15. Rd2 f6 16. Rhd1 Rxd2+ 17. Nxd2 Rd8 18. Ne4 Rxd1 19. Kxd1 b6 20. f4 Nb4 21. a3 Nd5 22. Kd2 c5 23. Nc3 Nxc3 24. Kxc3 Kd5 25. b3 b5 26. a4 a6 27. Kd3 f5 28. h3 h5 29. g3 bxa4 30. bxa4 c4+ 31. Kc3 Ke4 32. Kxc4 Kxe3 33. Kc5 h4 0-1

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1991.??.??"]
[Round "2"]
[White "Onderco, Jan"]
[Black "Rezak, Milan"]
[Result "0-1"]
[ECO "D38"]
[PlyCount "136"]
[EventDate "1991.05.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. e3 Bb4 6. Nf3 c5 7. a3 cxd4 8. axb4 dxc3 9. bxc3 Qc7 10. Bxf6 Nxf6 11. c5 0-0 12. Ra3 Bd7 13. Qa1 a5 14. Be2 Ra7 15. 0-0 Rfa8 16. Rb1 a4 17. Nd4 Ne4 18. Rb2 b6 19. cxb6 Qxb6 20. b5 Rc7 21. Rb4 Rac8 22. Rbxa4 Nxc3 23. Ra5 Nxe2+ 24. Nxe2 Bxb5 25. Nc3 Bc4 26. Qb1 Qxb1+ 27. Nxb1 h6 28. h3 Be2 29. Nd2 Rc1+ 30. Kh2 R1c2 31. Ra2 Kh7 32. Kg3 Kg6 33. Nf3 Bxf3 34. Kxf3 R2c4 35. R5a4 Kf6 36. Ra6 R8c7 37. R2a5 Kg5 38. Ra7 h5 39. g3 g6 40. h4+ Kf6 41. R7a6 R7c6 42. Rxc6 Rxc6 43. Ra4 e5 44. Rb4 Rd6 45. Ke2 Ke6 46. Kd3 Ra6 47. Ke2 Kf5 48. Kf3 Rd6 49. e4+ dxe4+ 50. Rxe4 Rd3+ 51. Re3 e4+ 52. Ke2 Rxe3+ 53. Kxe3 Ke5 54. Ke2 f6 55. Kd2 g5 56. Ke3 gxh4 57. gxh4 f5 58. f3 f4+ 59. Ke2 e3 60. Kd3 Kd5 61. Kc3 Kc5 62. Kd3 Kb4 63. Ke2 Kc3 64. Ke1 Kc4 65. Ke2 Kd4 66. Ke1 Kd3 67. Kd1 e2+ 68. Ke1 Kc3 0-1

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1991.??.??"]
[Round "4"]
[White "Onderco, Jan"]
[Black "Stolfa, Jaroslav"]
[Result "1/2-1/2"]
[ECO "D92"]
[PlyCount "66"]
[EventDate "1991.05.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CSR"]
[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 d5 4. Bf4 Bg7 5. Nf3 c6 6. e3 dxc4 7. Bxc4 Nbd7 8. b4 0-0 9. 0-0 Nb6 10. Bb3 Nbd5 11. Nxd5 Nxd5 12. Bxd5 Qxd5 13. h3 Bf5 14. Nd2 Rad8 15. Nb3 Qb5 16. a3 e5 17. Bg5 Rd5 18. Qf3 exd4 19. Nxd4 Qd3 20. Rfd1 Qe4 21. Qxe4 Bxe4 22. Bf4 Rfd8 23. Rd2 Bxd4 24. Rxd4 Rxd4 25. exd4 Rxd4 26. Be3 Rd3 27. Bxa7 Bd5 28. Bc5 Bb3 29. Kf1 Rd1+ 30. Rxd1 Bxd1 31. Ke1 Bb3 32. Kd2 Bd5 33. g3 b5 1/2-1/2

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1991.??.??"]
[Round "10"]
[White "Oprea, Erik"]
[Black "Onderco, Jan"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "106"]
[EventDate "1991.05.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 g6 5. Nge2 Bg7 6. 0-0 0-0 7. f4 e5 8. f5 Nc6 9. d3 Nd4 10. Bg5 b6 11. Nd5 Bb7 12. Nec3 b5 13. Qd2 b4 14. Ne2 Nxe2+ 15. Qxe2 Bxd5 16. exd5 h6 17. Be3 g5 18. g4 Nd7 19. Qd2 f6 20. h4 Rf7 21. hxg5 hxg5 22. Rf3 Bh6 23. Rh3 Rh7 24. Be4 Kg7 25. Qh2 Qh8 26. Kf2 a5 27. Rh1 Nf8 28. c3 Ra7 29. d4 Nd7 30. Kg3 cxd4 31. Bxg5 fxg5 32. f6+ Nxf6 33. Bxh7 Qxh7 34. Rxh6 Qd3+ 35. Kg2 Qe2+ 36. Kg1 Qxg4+ 37. Qg2 Qxg2+ 38. Kxg2 dxc3 39. bxc3 bxc3 40. R6h3 Rc7 41. Rd3 Rc5 42. a3 c2 43. Rc1 Nxd5 44. Kf2 Nc3 45. Rxc2 Ne4+ 46. Ke3 Rxc2 47. Kxe4 Rc4+ 48. Kf5 Rd4 49. Rg3 g4 50. Ke6 Kg6 51. a4 Kg5 52. Rb3 Kf4 53. Rb5 g3 0-1

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1991.??.??"]
[Round "7"]
[White "Ostradicky, Dusan"]
[Black "Onderco, Jan"]
[Result "0-1"]
[ECO "B79"]
[PlyCount "134"]
[EventDate "1991.05.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CSR"]
[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 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Qd2 Bd7 10. 0-0-0 Qa5 11. Bb3 Rfc8 12. h4 Ne5 13. h5 Nc4 14. Bxc4 Rxc4 15. hxg6 fxg6 16. Bh6 Bxh6 17. Qxh6 Rxc3 18. bxc3 Qxc3 19. Rd3 Qa1+ 20. Kd2 Qxa2 21. g4 Rc8 22. Rc1 Qf7 23. Qe3 a5 24. g5 Nh5 25. Rb1 Bc6 26. Nxc6 bxc6 27. Ra3 Qf4 28. Qxf4 Nxf4 29. Rxa5 c5 30. Ra7 Kf7 31. c4 Nh3 32. Ke3 Nxg5 33. Rbb7 Re8 34. Rd7 Ke6 35. f4 Nf7 36. Rdb7 h5 37. Kf3 Kf6 38. Kg3 g5 39. fxg5+ Nxg5 40. Kh4 Nxe4 41. Kxh5 Nf2 42. Kh4 Nd3 43. Kg3 Ne5 44. Ra4 Kf5 45. Rb1 Ke4 46. Kf2 Nd3+ 47. Ke2 Rh8 48. Kd2 Kd4 49. Kc2 Rh2+ 50. Kb3 e5 51. Ra6 Rh6 52. Rd1 e4 53. Ra8 Rh2 54. Rd8 Rb2+ 55. Ka4 Kxc4 56. Ka5 d5 57. Re8 Rc2 58. Kb6 d4 59. Kc6 e3 60. Kd6 Nf2 61. Rf1 Kd3 62. Kd5 Ke2 63. Rg1 Kd2 64. Rf1 d3 65. Rg1 e2 66. Re7 Rc1 67. Rxc1 Kxc1 0-1

[Event "Bratislava Slovan op"]
[Site "Bratislava"]
[Date "1991.??.??"]
[Round "9"]
[White "Vinarcik, Jan"]
[Black "Onderco, Jan"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "56"]
[EventDate "1991.05.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 g6 5. d3 Bg7 6. f4 e5 7. Nge2 Nc6 8. 0-0 0-0 9. f5 Nd4 10. Bg5 Qb6 11. Bxf6 Bxf6 12. Nd5 Qd8 13. Nxf6+ Qxf6 14. Nc3 Qd8 15. f6 h5 16. Nd5 Bg4 17. Qd2 Kh7 18. c3 Nb5 19. h3 Be6 20. Qg5 Rh8 21. Ne7 a6 22. g4 Re8 23. gxh5 Rxe7 24. hxg6+ fxg6 25. Qh4+ Kg8 26. fxe7 Qd7 27. Qg5 Kh7 28. Rf8 Re8 1-0

[Event "corr"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Merlicek, Jiri"]
[Black "Onderco, Jan"]
[Result "1-0"]
[ECO "E21"]
[PlyCount "43"]
[EventDate "1985.09.20"]
[EventType "match (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Bb4 3. Nf3 Nf6 4. d4 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Qc2 cxd4 8. exd4 0-0 9. Bd3 d5 10. cxd5 Qxd5 11. 0-0 Nc6 12. Re1 Bd7 13. Rb1 b6 14. Bf4 Na5 15. Be5 Nc4 16. Rb4 Rac8 17. Bxf6 gxf6 18. Bxh7+ Kh8 19. Re4 f5 20. Qc1 e5 21. Qh6 Rfe8 22. Bxf5+ 1-0

