[Event "Zalakaros op 14th"]
[Site "Zalakaros"]
[Date "1995.??.??"]
[Round "1"]
[White "Derera, Mihalyne"]
[Black "Borocz, Istvan"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2035"]
[BlackElo "2415"]
[PlyCount "46"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c5 3. Bg5 cxd4 4. Qxd4 Nc6 5. Qc5 f6 6. Bd2 e5 7. Qb5 a6 8. Qa4 b5 9. Qb3 e4 10. Qe3 Nge7 11. Nd4 Nxd4 12. Qxd4 Bb7 13. Be3 Rc8 14. c3 Nf5 15. Qb6 Qd7 16. Bd4 Rc6 17. Qa7 Bd6 18. g4 Ne7 19. Bh3 0-0 20. Be3 Be5 21. Bd2 d4 22. cxd4 Bxd4 23. g5 f5 0-1

[Event "Zalakaros op 14th"]
[Site "Zalakaros"]
[Date "1995.??.??"]
[Round "7"]
[White "Derera, Mihalyne"]
[Black "Mechtcheriakova, E."]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2035"]
[PlyCount "80"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[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 Be7 6. e4 d6 7. Bd3 c5 8. d5 exd5 9. exd5 Re8 10. Nge2 Nbd7 11. f4 Nb6 12. 0-0 Bg4 13. Qc2 Bf8 14. Ng3 h5 15. Nce4 h4 16. Nxf6+ Qxf6 17. Bc3 Qh6 18. Nf5 Bxf5 19. Bxf5 Nxc4 20. Rf3 Ne3 21. Rxe3 Rxe3 22. Rf1 Rae8 23. Bg4 Qh7 24. Qxh7+ Kxh7 25. f5 R8e4 26. Bf3 Rc4 27. Bd2 Re5 28. b3 Rc2 29. Bf4 Re8 30. Bd1 Rc3 31. f6 g6 32. Bg5 Rd3 33. Bf3 Rxb3 34. Bxh4 Rxa3 35. Rb1 Rb8 36. Bg3 b5 37. h4 b4 38. Bf4 b3 39. h5 b2 40. Be4 Ra4 0-1

[Event "Zalakaros op 14th"]
[Site "Zalakaros"]
[Date "1995.??.??"]
[Round "3"]
[White "Derera, Mihalyne"]
[Black "Nemeth, Diana"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "2035"]
[PlyCount "63"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[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 Be7 5. e3 h6 6. Bxf6 Bxf6 7. cxd5 exd5 8. Nf3 c6 9. Bd3 0-0 10. 0-0 Be6 11. Rc1 Nd7 12. Bb1 Be7 13. Ne5 Nf6 14. f4 c5 15. g4 Nh7 16. Qf3 f6 17. Ng6 Re8 18. h4 Nf8 19. h5 Bf7 20. g5 hxg5 21. fxg5 Nh7 22. Nxe7+ Rxe7 23. Bxh7+ Kxh7 24. g6+ Bxg6 25. hxg6+ Kxg6 26. Nxd5 Rd7 27. Nf4+ Kf7 28. Qh5+ Ke7 29. Rxc5 b6 30. Ng6+ Ke6 31. Qf5+ Kf7 32. Ne5+ 1-0

[Event "Zalakaros op 14th"]
[Site "Zalakaros"]
[Date "1995.??.??"]
[Round "9"]
[White "Derera, Mihalyne"]
[Black "Rapcsak, Andrea"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2035"]
[PlyCount "99"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[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 Nbd7 5. Nf3 Be7 6. e3 0-0 7. cxd5 exd5 8. Bd3 h6 9. Bh4 c6 10. Rc1 Ne8 11. Bxe7 Qxe7 12. 0-0 f5 13. Ne2 Nd6 14. Nf4 Rf6 15. h4 Nf8 16. Ne5 Nf7 17. Nf3 g5 18. Nh5 Rg6 19. Qc2 g4 20. Ne1 Qxh4 21. Nf4 Rf6 22. g3 Qg5 23. Neg2 Nh8 24. Nh4 Nhg6 25. Kg2 Nxf4+ 26. exf4 Qh5 27. Rh1 Qf7 28. Rce1 Ng6 29. Re3 Nxh4+ 30. gxh4 h5 31. Rhe1 Re6 32. Kg3 Rxe3+ 33. Rxe3 Be6 34. Re5 Rf8 35. Qc5 a6 36. a4 Qd7 37. a5 Kg7 38. b4 Rd8 39. Bxf5 Re8 40. Bb1 Bf7 41. Rg5+ Kh6 42. Qc2 Re4 43. Qd2 Kh7 44. Re5 Bg6 45. Bxe4 dxe4 46. f5 Bf7 47. f6 Qd6 48. Qg5 Qf8 49. Re7 Kh8 50. Rxb7 1-0

[Event "Zalakaros op 14th"]
[Site "Zalakaros"]
[Date "1995.??.??"]
[Round "5"]
[White "Derera, Mihalyne"]
[Black "Takacs, Alexander"]
[Result "1/2-1/2"]
[ECO "A51"]
[WhiteElo "2035"]
[PlyCount "84"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. d5 Bc5 4. e3 d6 5. Nc3 Bf5 6. h3 Nbd7 7. Nf3 h6 8. Be2 0-0 9. a3 a6 10. 0-0 Re8 11. b4 Bb6 12. Bb2 Bg6 13. Rc1 Nh5 14. Nd2 Nhf6 15. Nb3 a5 16. Bd3 a4 17. Bxg6 axb3 18. Bf5 Nf8 19. Qxb3 e4 20. Bg4 Nxg4 21. hxg4 Qg5 22. Qd1 Nd7 23. Nb5 Ne5 24. Bxe5 Rxe5 25. Qe2 Qh4 26. c5 dxc5 27. bxc5 Ba5 28. d6 cxd6 29. cxd6 h5 30. Rfd1 hxg4 31. g3 Qh3 32. Qc4 Bb6 33. Rd5 Re6 34. Qf1 Qh6 35. Rc3 Qf6 36. Qc1 Qf3 37. Rc8+ Rxc8 38. Qxc8+ Kh7 39. Rh5+ Kg6 40. Qh8 Qd1+ 41. Kh2 Qf3 42. Qh7+ Kf6 1/2-1/2

[Event "Zalakaros op 14th"]
[Site "Zalakaros"]
[Date "1995.??.??"]
[Round "2"]
[White "Pint, Peter"]
[Black "Derera, Mihalyne"]
[Result "1-0"]
[ECO "A04"]
[BlackElo "2035"]
[PlyCount "111"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d3 e5 2. Nf3 d6 3. g3 Nc6 4. Bg2 Be7 5. c4 h5 6. Nc3 Nf6 7. a3 Rb8 8. b4 Bg4 9. Qa4 0-0 10. 0-0 a6 11. Bb2 Nd4 12. Rfe1 Bxf3 13. exf3 Qc8 14. Ne2 Nxe2+ 15. Rxe2 b5 16. Qc2 Qd7 17. Rae1 h4 18. d4 h3 19. Bh1 e4 20. fxe4 bxc4 21. Qxc4 d5 22. exd5 Bd6 23. Qd3 Rbe8 24. Bf3 Rxe2 25. Rxe2 Ng4 26. Qe4 f5 27. Bxg4 fxg4 28. Qe6+ Rf7 29. Qxd7 Rxd7 30. Re4 Re7 31. Rxe7 Bxe7 32. Kf1 Kf7 33. Ke2 Kf6 34. Bc3 Bd6 35. a4 Ke7 36. Ke3 g6 37. Ke4 Kd7 38. Bd2 Bf8 39. b5 axb5 40. axb5 Bd6 41. Bg5 Kc8 42. Bf6 Kb7 43. Be5 Kb6 44. Kf4 Kxb5 45. Kxg4 Kc4 46. f4 Kxd5 47. Kxh3 c6 48. Kg4 Be7 49. Kf3 Bb4 50. h4 Be7 51. Kg4 Ke4 52. h5 gxh5+ 53. Kxh5 Kf5 54. g4+ Ke6 55. f5+ Kd5 56. Bg7 1-0

[Event "Zalakaros op 14th"]
[Site "Zalakaros"]
[Date "1995.??.??"]
[Round "6"]
[White "Poth, Julia"]
[Black "Derera, Mihalyne"]
[Result "1-0"]
[ECO "C29"]
[BlackElo "2035"]
[PlyCount "123"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 Bb4 4. Nge2 d6 5. a3 Bxc3 6. Nxc3 Ng4 7. d3 0-0 8. Bd2 f5 9. Be2 exf4 10. Bxf4 fxe4 11. Bxg4 Qh4+ 12. Bg3 Qxg4 13. Qxg4 Bxg4 14. Nxe4 Nc6 15. Kd2 Rae8 16. Rae1 Nd4 17. Nc3 Bd7 18. Nd5 Bc6 19. Nxc7 Rxe1 20. Rxe1 Bxg2 21. Re8 Rxe8 22. Nxe8 d5 23. Nd6 b6 24. Nc8 Nc6 25. Nd6 h6 26. Ke3 g6 27. b4 a6 28. b5 axb5 29. Nxb5 Ne7 30. Bc7 Nc8 31. Nd6 Nxd6 32. Bxd6 Kf7 33. Kd4 Ke6 34. Bc7 g5 35. Bxb6 Kd7 36. a4 h5 37. Ke5 h4 38. Kf5 h3 39. Kxg5 Kc6 40. Bf2 Kb7 41. Kf4 Ka6 42. Be1 Kb6 43. Ke3 Kc5 44. a5 Bh1 45. Bc3 Bg2 46. Bd4+ Kb5 47. Bb6 Bf1 48. Kd4 Bg2 49. c4+ dxc4 50. dxc4+ Kc6 51. Kc3 Bf1 52. Kb4 Bg2 53. Bf2 Kb7 54. Kb5 Bc6+ 55. Kc5 Bg2 56. Kd6 Bf1 57. c5 Bb5 58. Be3 Kc8 59. c6 Ba6 60. Bf4 Kb8 61. Kd7+ Ka8 62. c7 1-0

[Event "Zalakaros op 14th"]
[Site "Zalakaros"]
[Date "1995.??.??"]
[Round "4"]
[White "Soponyai, Andras"]
[Black "Derera, Mihalyne"]
[Result "1-0"]
[ECO "C50"]
[BlackElo "2035"]
[PlyCount "65"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. h3 Nc6 5. c3 Na5 6. Bd3 Be6 7. Bc2 c5 8. 0-0 Nf6 9. d4 Bc4 10. Re1 Qc7 11. b3 Bb5 12. Bb2 c4 13. b4 0-0 14. bxa5 Rfd8 15. a4 Be8 16. Nbd2 Rac8 17. Nf1 b5 18. axb5 Bxb5 19. Bc1 Nh5 20. d5 Nf4 21. Bxf4 exf4 22. Qd2 Bf6 23. N1h2 Be5 24. Nd4 Bd7 25. Ba4 Bxa4 26. Rxa4 Bxd4 27. Qxd4 Qc5 28. Nf3 Rd7 29. Qxc5 Rxc5 30. Nd4 g6 31. Rb1 f5 32. Ne6 Rc8 33. exf5 1-0

[Event "Zalakaros op 14th"]
[Site "Zalakaros"]
[Date "1995.??.??"]
[Round "8"]
[White "Varga, Csaba"]
[Black "Derera, Mihalyne"]
[Result "1/2-1/2"]
[ECO "C41"]
[BlackElo "2035"]
[PlyCount "148"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Bg4 4. h3 Bxf3 5. Qxf3 Qf6 6. Qg4 Nc6 7. Nc3 Nh6 8. Qd1 Na5 9. Nd5 Qd8 10. Be2 c6 11. Nc3 b6 12. d3 Nb7 13. d4 a6 14. 0-0 Be7 15. Be3 b5 16. Qd2 Ng8 17. Rad1 Nf6 18. a3 Qc7 19. Bf3 h6 20. Ne2 a5 21. Ng3 a4 22. Nf5 Bf8 23. Rc1 Na5 24. Ng3 c5 25. dxe5 dxe5 26. Qe2 Rb8 27. Rfd1 Nc4 28. c3 Be7 29. Nh5 Nxh5 30. Bxh5 Nxe3 31. Qxe3 Bg5 32. Qg3 0-0 33. Rb1 b4 34. cxb4 cxb4 35. Rd5 Bf4 36. Qd3 bxa3 37. Qxa3 Qc2 38. Qd3 Rxb2 39. Qxc2 Rxc2 40. Ra5 Rc4 41. Bf3 Bd2 42. Ra7 Bc3 43. Bd1 Rxe4 44. Rxa4 Re1+ 45. Kh2 Bd4 46. f3 g5 47. Bc2 Re2 48. Bf5 Kg7 49. Rb7 Rb2 50. Rc7 Rb6 51. Kg3 h5 52. Rac4 Be3 53. Rc2 Bf4+ 54. Kf2 h4 55. Be4 Rd8 56. Ke2 Rb1 57. Rxf7+ Kxf7 58. Rc7+ Ke6 59. Bxb1 Rd2+ 60. Ke1 Rxg2 61. Rc6+ Kd5 62. Be4+ Kd4 63. Rd6+ Kc4 64. Rc6+ Kb5 65. Rc2 Rg3 66. Kf1 Rxh3 67. Kg1 Rg3+ 68. Rg2 h3 69. Rxg3 Bxg3 70. Bf5 h2+ 71. Kg2 Kc5 72. Be4 Kd4 73. Bb7 Ke3 74. Bc6 Kf4 1/2-1/2

[Event "Zalakaros op 13th"]
[Site "Zalakaros"]
[Date "1994.??.??"]
[Round "3"]
[White "Derera, Mihalyne"]
[Black "Medl, F."]
[Result "1/2-1/2"]
[ECO "E70"]
[WhiteElo "2045"]
[PlyCount "39"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be3 0-0 6. Qc2 Nc6 7. a3 Ng4 8. Nf3 Nxe3 9. fxe3 f5 10. Bd3 f4 11. exf4 Rxf4 12. Ne2 Rf8 13. 0-0 Bg4 14. d5 Bxf3 15. dxc6 Bxe2 16. Bxe2 Bd4+ 17. Kh1 bxc6 18. Rxf8+ Qxf8 19. Rf1 Qg7 20. b4 1/2-1/2

[Event "Zalakaros op 13th"]
[Site "Zalakaros"]
[Date "1994.??.??"]
[Round "5"]
[White "Derera, Mihalyne"]
[Black "Meszaros, Andras"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "2045"]
[BlackElo "2395"]
[PlyCount "77"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 0-0 6. Nf3 c6 7. Ne5 Nbd7 8. f4 dxc4 9. Bxc4 Nd5 10. Bxd5 exd5 11. Bxe7 Qxe7 12. Qd2 Nb6 13. b3 f6 14. Nf3 Re8 15. Kf2 Bg4 16. Rae1 Bxf3 17. gxf3 f5 18. h4 Rac8 19. h5 c5 20. Ne2 c4 21. Ng3 Qd7 22. Rhg1 Rc6 23. Rc1 Rec8 24. Ne2 Qf7 25. Rh1 cxb3 26. axb3 Rxc1 27. Rxc1 Rxc1 28. Qxc1 Qxh5 29. Qa3 Qh4+ 30. Kf1 Nc8 31. Qc5 Qd8 32. Nc3 Nb6 33. Nb5 Qc8 34. Nxa7 Qe6 35. Kf2 Qh6 36. Kg2 Qg6+ 37. Kf2 h5 38. Qe7 Qf7 39. Qd8+ 1-0

[Event "Zalakaros op 13th"]
[Site "Zalakaros"]
[Date "1994.??.??"]
[Round "9"]
[White "Derera, Mihalyne"]
[Black "Mogyorosi, A."]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2045"]
[PlyCount "91"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[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. Bg5 Ne4 5. Qc1 g6 6. f3 Nxg5 7. Qxg5 Bg7 8. Qd2 d6 9. e4 b4 10. Bd3 0-0 11. Ne2 a5 12. Qc1 a4 13. Nd2 a3 14. Rb1 axb2 15. Rxb2 Bxb2 16. Qxb2 Ra3 17. Nb3 Nd7 18. f4 Qc7 19. 0-0 Ba6 20. Nec1 Nb6 21. Qe2 f6 22. h4 Bc8 23. h5 Kg7 24. Kf2 Na4 25. hxg6 hxg6 26. f5 Rh8 27. fxg6 Nc3 28. Qc2 Bd7 29. Kg1 Rh6 30. Rf3 Qa7 31. Qf2 Qa8 32. e5 dxe5 33. Qxc5 Qa7 34. Rf2 Qxc5 35. Nxc5 Bg4 36. Rb2 Rh8 37. Rxb4 Nxa2 38. Nxa2 Rxa2 39. Rb7 Re8 40. d6 Ra5 41. Nb3 Ra4 42. c5 e4 43. Bb5 Rb4 44. Rxe7+ Kh6 45. Bxe8 Rxb3 46. Rxe4 1-0

[Event "Zalakaros op 13th"]
[Site "Zalakaros"]
[Date "1994.??.??"]
[Round "1"]
[White "Derera, Mihalyne"]
[Black "Sergienko, Sergey"]
[Result "0-1"]
[ECO "A60"]
[WhiteElo "2045"]
[BlackElo "2410"]
[PlyCount "104"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. Nxd5 Nxd5 6. cxd5 d6 7. e3 Be7 8. Bd3 Bf6 9. Qc2 h6 10. Ne2 Na6 11. a3 Nc7 12. Be4 b5 13. 0-0 Bb7 14. Rd1 0-0 15. Nf4 Be5 16. g3 Qe7 17. Bg2 Rae8 18. e4 Na8 19. Rb1 Nb6 20. Nd3 Bd4 21. Be3 Bxe3 22. fxe3 c4 23. Nb4 Nd7 24. Qd2 Ne5 25. b3 Rc8 26. bxc4 Nxc4 27. Qd3 a6 28. Bh3 Ne5 29. Qb3 Rc4 30. Bg2 Rfc8 31. Re1 Qg5 32. Qd1 Rc3 33. Rb3 h5 34. Na2 Rxb3 35. Qxb3 h4 36. Rf1 hxg3 37. h3 Nc4 38. Rf4 Qe5 39. Rf5 Qa1+ 40. Rf1 Qe5 41. Rc1 Rc5 42. a4 Qf6 43. Rf1 Qh6 44. Re1 Bc8 45. axb5 axb5 46. Nb4 Bxh3 47. Bxh3 Qxh3 48. Qa2 Nxe3 49. Qd2 Ng4 50. Nd3 Nf2 51. Nxf2 gxf2+ 52. Qxf2 Rc3 0-1

[Event "Zalakaros op 13th"]
[Site "Zalakaros"]
[Date "1994.??.??"]
[Round "7"]
[White "Derera, Mihalyne"]
[Black "Ursic, Silvio"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2045"]
[PlyCount "118"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 b6 4. Bg5 h6 5. Bh4 Bb7 6. e3 Be7 7. Nf3 d6 8. Be2 g5 9. Bg3 Ne4 10. Nxe4 Bxe4 11. Bd3 Bb7 12. 0-0 f5 13. d5 exd5 14. Bxf5 dxc4 15. Nd4 0-0 16. Ne6 Qe8 17. Nxc7 Qc6 18. Be6+ Kg7 19. Nd5 Bf6 20. e4 Bxb2 21. Rb1 Be5 22. Qg4 Na6 23. Bd7 Qc5 24. Qe6 Bxg3 25. hxg3 Bxd5 26. Qxd5 Qxd5 27. exd5 Nc7 28. Bc6 Rab8 29. a4 a6 30. Rfe1 Rf7 31. Rb4 b5 32. axb5 axb5 33. Ra1 Re7 34. f3 Kf6 35. Kf2 Re5 36. Rd1 Rb6 37. f4 Rf5 38. Kf3 gxf4 39. gxf4 Kf7 40. g4 Rf6 41. Ke4 Rg6 42. Rg1 Rb8 43. f5 Rg5 44. Kf4 Kf6 45. Rh1 Kg7 46. Rhb1 Rb6 47. Rxc4 Kf6 48. Rc2 h5 49. gxh5 Rxh5 50. Bd7 Nxd5+ 51. Ke4 Ne7 52. Rf2 b4 53. Be6 Rh4+ 54. Kd3 Rh3+ 55. Kc4 Rc3+ 56. Kd4 Rh3 57. Ke4 b3 58. Rf3 Rxf3 59. Kxf3 Nxf5 0-1

[Event "Zalakaros op 13th"]
[Site "Zalakaros"]
[Date "1994.??.??"]
[Round "2"]
[White "Ivan, Zoltan"]
[Black "Derera, Mihalyne"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2240"]
[BlackElo "2045"]
[PlyCount "63"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 Be7 7. Bb5+ Bd7 8. Be2 Qa5 9. Bd2 Qb4 10. Nb5 Qxe4 11. Nc7+ Kf8 12. Nxa8 Nxd5 13. Kf1 Bh4 14. Nf3 Bf6 15. Bc3 Na6 16. Qd2 Bc6 17. Re1 Qg4 18. Bxf6 gxf6 19. Qh6+ Kg8 20. Nh4 Qg7 21. Qd2 h5 22. Bf3 Qg5 23. Qxg5+ fxg5 24. Bxd5 Bxd5 25. Re8+ Kh7 26. Rxh8+ Kxh8 27. Nf5 Bc4+ 28. Ke1 d5 29. Kd2 d4 30. Re1 Be6 31. Nd6 Kg7 32. Ne8+ 1-0

[Event "Zalakaros op 13th"]
[Site "Zalakaros"]
[Date "1994.??.??"]
[Round "6"]
[White "Kosztolanczi, Gyula"]
[Black "Derera, Mihalyne"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2210"]
[BlackElo "2045"]
[PlyCount "135"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d3 Nc6 3. Nf3 Be7 4. g3 d5 5. Nbd2 Nf6 6. Bg2 Bc5 7. 0-0 dxe4 8. dxe4 e5 9. c3 a5 10. Qc2 Be6 11. Nb3 Bd6 12. Be3 Qe7 13. h3 h6 14. Ne1 a4 15. Nd2 Qd7 16. Kh2 h5 17. Nef3 Be7 18. Rh1 Nh7 19. b4 Bf6 20. Rad1 Qc8 21. b5 Ne7 22. Qd3 Ng6 23. Nc4 0-0 24. Bc5 Rd8 25. Qe2 h4 26. Ne3 Rxd1 27. Rxd1 Qe8 28. Nd5 hxg3+ 29. fxg3 Bd8 30. a3 Nf6 31. c4 Nd7 32. Bb4 c6 33. Ne3 c5 34. Bc3 Be7 35. Nd5 Bxd5 36. exd5 Bd6 37. Ng5 Qe7 38. Ne4 b6 39. Rf1 Nf6 40. Nxf6+ gxf6 41. Be4 Kg7 42. Qg4 Rg8 43. Bc2 Qd8 44. Bb2 Kf8 45. Qf3 Nh4 46. Qxf6 Qxf6 47. Rxf6 Ke7 48. Rf1 Ng6 49. Bxa4 Nf8 50. Bd1 Nd7 51. h4 e4 52. Rg1 f5 53. Kh3 f4 54. g4 e3 55. g5 Be5 56. Bxe5 Nxe5 57. Rf1 Rf8 58. Kg2 Nxc4 59. Bf3 Nd2 60. Rh1 Kf7 61. h5 Kg7 62. d6 c4 63. d7 c3 64. h6+ Kh7 65. Bh5 c2 66. Be8 f3+ 67. Kh3 Ne4 68. d8Q 1-0

[Event "Zalakaros op 13th"]
[Site "Zalakaros"]
[Date "1994.??.??"]
[Round "8"]
[White "Lukacs, Laszlo"]
[Black "Derera, Mihalyne"]
[Result "0-1"]
[ECO "C30"]
[BlackElo "2045"]
[PlyCount "94"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Bg4 4. Bc4 Nd7 5. d4 Bxf3 6. Qxf3 exd4 7. 0-0 c6 8. c3 Qb6 9. Kh1 Nh6 10. Bb3 Be7 11. f5 Ne5 12. Qe2 d3 13. Qe3 Nhg4 14. Qxb6 axb6 15. Bf4 Nf6 16. Nd2 b5 17. Bxe5 dxe5 18. Nf3 c5 19. c4 Ng4 20. Rae1 Rd8 21. Nd2 b4 22. Ba4+ Kf8 23. h3 Nf6 24. Rf3 Nh5 25. Kh2 Bg5 26. Rd1 Bf4+ 27. g3 Bxd2 28. Rxd2 Ke7 29. Rfxd3 Rd4 30. Rxd4 cxd4 31. Bc2 Kd6 32. Kg2 Ra8 33. Bb1 Kc5 34. b3 Nf6 35. g4 Ne8 36. h4 Nd6 37. Kf3 b5 38. cxb5 Nxb5 39. Bd3 Nc3 40. Rc2 Rxa2 41. Rxa2 Nxa2 42. g5 f6 43. Ke2 Nc1+ 44. Kd2 Nxb3+ 45. Kc2 Na5 46. Kb2 Nc4+ 47. Kc2 h6 0-1

[Event "Zalakaros op 13th"]
[Site "Zalakaros"]
[Date "1994.??.??"]
[Round "4"]
[White "Tamas, Norbert"]
[Black "Derera, Mihalyne"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2235"]
[BlackElo "2045"]
[PlyCount "52"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Be7 4. Nf3 d6 5. d4 exd4 6. Nxd4 Nc6 7. 0-0 Bg4 8. f3 Bd7 9. f4 Nxd4 10. Qxd4 c5 11. Qf2 Bc6 12. e5 Ne4 13. Nxe4 Bxe4 14. e6 f5 15. Be3 Qc7 16. Rfd1 0-0-0 17. Bd5 Bxd5 18. Rxd5 Rhf8 19. Rad1 Rf6 20. b4 Rxe6 21. bxc5 dxc5 22. Bxc5 Rxd5 23. Rxd5 b6 24. Bd4 g6 25. Qd2 Qc4 26. Be5 Bc5+ 1/2-1/2

[Event "Balatonbereny op"]
[Site "Balatonbereny"]
[Date "1993.??.??"]
[Round "7"]
[White "Csoke, Adrienn"]
[Black "Derera, Mihalyne"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2235"]
[BlackElo "2035"]
[PlyCount "109"]
[EventDate "1993.09.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 0-0 6. f3 c6 7. h4 d5 8. e5 Nh5 9. Nge2 f5 10. exf6 Nxf6 11. Bh6 Rf7 12. g4 Qf8 13. Bxg7 Rxg7 14. 0-0-0 b5 15. Nf4 Rf7 16. Nd3 Nbd7 17. Be2 Ne8 18. h5 g5 19. Qxg5+ Rg7 20. Qe3 Nd6 21. Nf4 Nb6 22. h6 Rf7 23. Nh5 Nbc4 24. Qg5+ Kh8 25. b3 Nb6 26. Rd3 Nd7 27. Re3 Nf6 28. Bd3 Nde8 29. Ng3 e6 30. Qe5 Qd6 31. g5 Qxe5 32. Rxe5 Ng8 33. Re3 Bd7 34. Nd1 Nc7 35. Nf2 Raf8 36. Ng4 Be8 37. Ne5 Rf4 38. Ne2 R4f5 39. f4 Ne7 40. Bxf5 Nxf5 41. Rc3 Ne7 42. b4 Rf5 43. Kd2 Na8 44. Ra3 Nc8 45. Ke3 Nab6 46. Ra6 Nc4+ 47. Kf3 Nd2+ 48. Kg2 Nc4 49. Nxc6 Bg6 50. Ne5 Rxe5 51. dxe5 Ne3+ 52. Kf2 Nxc2 53. Rc1 Nb6 54. Rxa7 Kg8 55. Rg7+ 1-0

[Event "Balatonbereny op"]
[Site "Balatonbereny"]
[Date "1993.??.??"]
[Round "6"]
[White "Derera, Mihalyne"]
[Black "Hald, Jens Erik Kofoed"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2035"]
[BlackElo "2230"]
[PlyCount "113"]
[EventDate "1993.09.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[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. Nf3 d6 5. Bg5 0-0 6. e3 Nbd7 7. Bd3 c6 8. Rc1 h6 9. Bxf6 Nxf6 10. 0-0 Re8 11. Qc2 e5 12. Rfd1 Qe7 13. dxe5 dxe5 14. e4 Nh5 15. Bf1 Bg4 16. Rd3 Nf4 17. Re3 Rad8 18. h3 Bc8 19. Ne2 Rd7 20. Kh2 Red8 21. g3 Ne6 22. Bg2 h5 23. Ra3 b6 24. Rf1 a5 25. Rb3 Qc5 26. Rc3 Bh6 27. Nc1 Nd4 28. Nxd4 exd4 29. Nd3 Qe7 30. Rb3 Rb7 31. a4 Be6 32. Ra3 c5 33. Raa1 h4 34. b3 Rbb8 35. Rad1 Re8 36. Ne1 Rbd8 37. Nf3 hxg3+ 38. fxg3 Qc7 39. Ne1 Be3 40. Nd3 Kg7 41. Rf3 Rh8 42. Rdf1 Rd7 43. Qb2 Kg8 44. Qb1 Re7 45. Rf6 Qc8 46. Rxe6 Qxe6 47. e5 Qd7 48. Qd1 Bh6 49. Rf6 Re6 50. Qg4 Bg7 51. Rxg6 Rh7 52. Rg5 Re7 53. Qf3 Rh6 54. h4 Qe8 55. Qf5 Qd7 56. Qf3 f6 57. exf6 1-0

[Event "Balatonbereny op"]
[Site "Balatonbereny"]
[Date "1993.??.??"]
[Round "8"]
[White "Derera, Mihalyne"]
[Black "Kock, Hans Uwe"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "2035"]
[BlackElo "2315"]
[PlyCount "112"]
[EventDate "1993.09.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[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 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 c6 7. Nf3 Nbd7 8. 0-0-0 Kc7 9. Bxf6 gxf6 10. Ne4 Be7 11. g4 Nc5 12. Nxc5 Bxc5 13. g5 Bxf2 14. gxf6 Bf5 15. b3 Be3+ 16. Kb2 e4 17. Nh4 Be6 18. Ng2 Bg5 19. Kc2 Rad8 20. Rxd8 Rxd8 21. e3 Bxf6 22. h4 Bg4 23. Nf4 Bd1+ 24. Kc1 Be7 25. Bg2 Ba3+ 26. Kb1 Bf3 27. Kc2 Bc5 28. Rf1 Bxg2 29. Nxg2 Rd7 30. Rf4 Bb4 31. Rf2 Kd6 32. h5 Ke6 33. Nf4+ Ke5 34. Ng2 Bc5 35. Rd2 Rxd2+ 36. Kxd2 Kf5 37. Ke2 Bd6 38. Kf2 Kg5 39. Ne1 Kxh5 40. Nc2 Kg4 41. b4 h5 42. c5 Be5 43. a4 f5 44. b5 cxb5 45. axb5 h4 46. Nd4 h3 47. c6 Bg3+ 48. Kg1 bxc6 49. bxc6 a5 50. Ne6 Bb8 51. Nd4 a4 52. Nc2 Kf3 53. Kh1 Kf2 54. Na3 Kxe3 55. Nc4+ Kf2 56. Na3 e3 0-1

[Event "Zalakaros op 12th"]
[Site "Zalakaros"]
[Date "1993.??.??"]
[Round "6"]
[White "Derera, Mihalyne"]
[Black "Lenkey, Pal"]
[Result "0-1"]
[ECO "D55"]
[WhiteElo "2035"]
[PlyCount "102"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 c6 7. Rc1 dxc4 8. Bxc4 Nbd7 9. 0-0 Nb6 10. Bb3 Nbd5 11. Ne5 Nxc3 12. bxc3 c5 13. Qf3 Nd7 14. Bf4 Nb6 15. Qh3 Nd5 16. Bc2 f5 17. Nf3 Nxc3 18. Bd3 cxd4 19. Be5 Nxa2 20. Rc7 Bf6 21. Qg3 Bxe5 22. Qxe5 Qf6 23. Bc4 Qxe5 24. Nxe5 Nc3 25. exd4 Nd5 26. Rc5 Nb6 27. Bb3 Rd8 28. Nf3 h6 29. h4 Kf7 30. Rxf5+ Kg8 31. Re1 Nd5 32. Rfe5 b5 33. R5e2 a5 34. Rb2 a4 35. Bxd5 Rxd5 36. Rb4 Bd7 37. Ra1 Kf8 38. Ra3 Ke7 39. Ne5 Be8 40. Kf1 Kd6 41. f4 Kc7 42. Ke2 Kb6 43. Nc4+ Ka6 44. Ne3 Rd6 45. Rd3 Rad8 46. g4 Ka5 47. Rb2 Rxd4 48. Rc3 b4 49. Rc7 Bb5+ 50. Ke1 b3 51. Rxg7 Rd3 0-1

[Event "Zalakaros op 12th"]
[Site "Zalakaros"]
[Date "1993.??.??"]
[Round "3"]
[White "Derera, Mihalyne"]
[Black "Pergel, Laszlo"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2035"]
[PlyCount "151"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Bg5 b6 4. Nc3 Bb7 5. Nf3 Be7 6. Bxf6 Bxf6 7. e4 0-0 8. Be2 d6 9. 0-0 Nd7 10. Qc2 Qe7 11. Rad1 Rfd8 12. Rfe1 g6 13. Bf1 Bg7 14. Re3 Rac8 15. d5 e5 16. Nb5 a6 17. Nc3 Rf8 18. Bd3 Rce8 19. b4 Bc8 20. Na4 Kh8 21. Nd2 Nf6 22. Be2 Ng4 23. Bxg4 Bxg4 24. f3 Bd7 25. Nb2 f5 26. Re2 Bh6 27. Nd3 g5 28. exf5 Bxf5 29. Ne4 g4 30. Rf1 gxf3 31. Rxf3 Bg4 32. Rxf8+ Rxf8 33. Re1 Qf7 34. Qf2 Qe7 35. Qg3 Rg8 36. Ndf2 Bf4 37. Qd3 Bf5 38. Qf3 Rg6 39. Ng3 Bxg3 40. hxg3 Rf6 41. Qe3 Qg7 42. c5 bxc5 43. bxc5 Rg6 44. cxd6 cxd6 45. Nh1 Qd7 46. Rf1 Qc8 47. Rc1 Qb8 48. Nf2 Rg7 49. Rc6 a5 50. Qh6 Rg6 51. Qh4 Bd7 52. Rc1 Qe8 53. Rc7 Rg7 54. Qf6 Qe7 55. Qf3 Rf7 56. Qe3 Qf6 57. Qa7 Qf5 58. Rb7 Be8 59. Rxf7 Bxf7 60. Qb8+ Kg7 61. Qxd6 e4 62. Qe7 Qxd5 63. Nxe4 Qd1+ 64. Kf2 Qc2+ 65. Kf3 Qxa2 66. Qf6+ Kg8 67. Ng5 Qb3+ 68. Kf2 Qc2+ 69. Kg1 Qd1+ 70. Kf2 Qc2+ 71. Kf3 Qd1+ 72. Ke3 Qe1+ 73. Kf4 Qf1+ 74. Nf3 a4 75. Kg5 Be8 76. Qd6 1-0

[Event "Zalakaros op 12th"]
[Site "Zalakaros"]
[Date "1993.??.??"]
[Round "7"]
[White "Derera, Mihalyne"]
[Black "Rezsek, Gyozo"]
[Result "0-1"]
[ECO "D80"]
[WhiteElo "2035"]
[PlyCount "112"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Nxe4 dxe4 6. e3 c6 7. Ne2 Qa5+ 8. Qd2 Qxg5 9. h4 Qf6 10. Nc3 Bf5 11. Be2 h5 12. Rd1 Bg7 13. d5 Qe5 14. 0-0 0-0 15. Qc2 Nd7 16. Na4 Nf6 17. Nc3 cxd5 18. cxd5 a6 19. a4 Rac8 20. Qb3 Rc7 21. Qb4 Bg4 22. Rfe1 Rfc8 23. Rd2 Qf5 24. Bf1 Qe5 25. a5 Bf5 26. Red1 Qd6 27. Qxd6 exd6 28. Be2 Nd7 29. Na4 Rc1 30. b4 R8c2 31. Rxc1 Rxc1+ 32. Rd1 Rxd1+ 33. Bxd1 Nb8 34. Bc2 Bd7 35. Nb6 Bc3 36. Bxe4 Bxb4 37. Bc2 Bxa5 38. Nc4 Bb4 39. e4 b5 40. Nb2 a5 41. f4 Be1 42. Kh2 Bxh4 43. Nd3 Be7 44. Kg3 Na6 45. Kf3 Kf8 46. e5 Bf5 47. Ke3 Ke8 48. Bd1 Kd7 49. Nb2 Bd8 50. Be2 Bb6+ 51. Kd2 Nc7 52. Bf3 dxe5 53. fxe5 Bd4 54. Nd3 Bxd3 55. Kxd3 Bxe5 56. Ke4 Kd6 0-1

[Event "Balatonbereny op"]
[Site "Balatonbereny"]
[Date "1993.??.??"]
[Round "4"]
[White "Derera, Mihalyne"]
[Black "Stirn, Martin"]
[Result "0-1"]
[ECO "D44"]
[WhiteElo "2035"]
[PlyCount "30"]
[EventDate "1993.09.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[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. Nf3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. exf6 gxh4 10. Ne4 Bb4+ 11. Ke2 Bb7 12. a3 Ba5 13. Ne5 Bb6 14. Ke3 Qd5 15. Nc3 Qxe5+ 0-1

[Event "Zalakaros op 12th"]
[Site "Zalakaros"]
[Date "1993.??.??"]
[Round "4"]
[White "Derera, Mihalyne"]
[Black "Szemzo, Lajos"]
[Result "1/2-1/2"]
[ECO "D66"]
[WhiteElo "2035"]
[BlackElo "2240"]
[PlyCount "40"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. Nf3 Be7 6. Rc1 c6 7. e3 0-0 8. Bd3 h6 9. Bh4 dxc4 10. Bxc4 Nd5 11. Bxe7 Qxe7 12. 0-0 Rd8 13. Re1 Nxc3 14. Rxc3 Nf8 15. Qc2 Bd7 16. Ne5 Be8 17. Bd3 f6 18. Ng6 Bxg6 19. Bxg6 Nxg6 20. Qxg6 Rd5 1/2-1/2

[Event "Balatonbereny op"]
[Site "Balatonbereny"]
[Date "1993.??.??"]
[Round "2"]
[White "Derera, Mihalyne"]
[Black "Tamas, Norbert"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2035"]
[PlyCount "72"]
[EventDate "1993.09.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. g3 b6 5. Bg2 Bb7 6. 0-0 cxd4 7. Nxd4 Bxg2 8. Kxg2 d5 9. cxd5 Qxd5+ 10. Nf3 Qb7 11. Nc3 Be7 12. Bf4 0-0 13. Rc1 Nc6 14. Qa4 Rfd8 15. Rfd1 e5 16. Bg5 Nd4 17. Bxf6 Bxf6 18. e4 Rd6 19. Re1 b5 20. Qb4 Be7 21. Nxd4 exd4 22. Nb1 Rad8 23. Qb3 d3 24. Rcd1 Rd4 25. Nd2 a5 26. a3 a4 27. Qa2 b4 28. Re3 b3 29. Qb1 f5 30. Nf3 fxe4 31. Nxd4 Rxd4 32. f3 Rc4 33. Rxe4 Rxe4 34. fxe4 Qxe4+ 35. Kh3 g5 36. g4 Qf3# 0-1

[Event "Balatonbereny op"]
[Site "Balatonbereny"]
[Date "1993.??.??"]
[Round "9"]
[White "Hapala, Michaela"]
[Black "Derera, Mihalyne"]
[Result "1/2-1/2"]
[ECO "E90"]
[BlackElo "2035"]
[PlyCount "12"]
[EventDate "1993.09.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[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. Nf3 0-0 6. Be3 c5 1/2-1/2

[Event "Zalakaros op 12th"]
[Site "Zalakaros"]
[Date "1993.??.??"]
[Round "1"]
[White "Horvath, Jozsef"]
[Black "Derera, Mihalyne"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "2535"]
[BlackElo "2035"]
[PlyCount "41"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Nc6 7. c4 Nb6 8. exd6 cxd6 9. d5 exd5 10. cxd5 Ne7 11. Nc3 Ng6 12. Qd4 Bd7 13. Re1 Qf6 14. Ba6+ Be7 15. Qxf6 gxf6 16. Bxb7 Rb8 17. Ba6 h5 18. Nd4 0-0 19. Nc6 Bxc6 20. dxc6 Nc8 21. Nd5 1-0

[Event "Zalakaros op 12th"]
[Site "Zalakaros"]
[Date "1993.??.??"]
[Round "8"]
[White "Horvath, Lajos"]
[Black "Derera, Mihalyne"]
[Result "0-1"]
[ECO "D13"]
[BlackElo "2035"]
[PlyCount "48"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. Nf3 c6 4. cxd5 cxd5 5. Nc3 e6 6. Bg5 Be7 7. e3 0-0 8. Bd3 Nc6 9. a3 a6 10. 0-0 h6 11. Bxf6 Bxf6 12. Rc1 Bd7 13. Re1 g5 14. Bc2 Bg7 15. h3 f5 16. g4 fxg4 17. Qd3 Rxf3 18. Qh7+ Kf8 19. Bd1 Qf6 20. Bxf3 gxf3 21. Kh2 Kf7 22. Qd3 g4 23. Rg1 h5 24. hxg4 Qh4# 0-1

[Event "Zalakaros op 12th"]
[Site "Zalakaros"]
[Date "1993.??.??"]
[Round "9"]
[White "Jankovics, Istvan"]
[Black "Derera, Mihalyne"]
[Result "1/2-1/2"]
[ECO "D38"]
[BlackElo "2035"]
[PlyCount "96"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Bb4 5. Qb3 c5 6. e3 Nc6 7. cxd5 Nxd5 8. Bb5 0-0 9. Bxc6 bxc6 10. 0-0 Ba6 11. Re1 c4 12. Qc2 Nxc3 13. bxc3 Bd6 14. e4 Qc7 15. e5 Be7 16. Bg5 Bb7 17. h4 c5 18. Bxe7 Qxe7 19. Ng5 g6 20. g3 cxd4 21. cxd4 Rac8 22. Qc3 h6 23. Ne4 Bxe4 24. Rxe4 Rc7 25. Rb1 Qd7 26. Rb4 Qd5 27. f3 Qa5 28. a3 Rfc8 29. Re2 Kh7 30. Rc2 Qd5 31. a4 Rd7 32. Kf2 a5 33. Rb5 Qxd4+ 34. Qxd4 Rxd4 35. Rxa5 c3 36. Ke3 Rb4 37. Kd3 Rb3 38. Ra7 Kg7 39. f4 h5 40. a5 Ra3 41. a6 Rc6 42. Ra8 Rcxa6 43. Rxa6 Rxa6 44. Rxc3 Ra1 45. Kd4 Rd1+ 46. Kc5 Rd5+ 47. Kc6 Rd2 48. Rb3 Rd1 1/2-1/2

[Event "Balatonbereny op"]
[Site "Balatonbereny"]
[Date "1993.??.??"]
[Round "1"]
[White "Lavrov, Andrey"]
[Black "Derera, Mihalyne"]
[Result "1-0"]
[ECO "E09"]
[WhiteElo "2385"]
[BlackElo "2035"]
[PlyCount "99"]
[EventDate "1993.09.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 Be7 6. 0-0 0-0 7. Qc2 Nbd7 8. Rd1 Re8 9. Nbd2 Nf8 10. e4 Nxe4 11. Nxe4 dxe4 12. Qxe4 Bf6 13. Be3 Bd7 14. Rd2 Qa5 15. b3 Qf5 16. Qxf5 exf5 17. Rad1 Rad8 18. d5 b6 19. dxc6 Bxc6 20. Rxd8 Rxd8 21. Rxd8 Bxd8 22. Ne5 Bd7 23. Bc6 Be6 24. Bd5 Bc7 25. Nc6 a6 26. Bxe6 fxe6 27. Nb4 a5 28. Na6 Bd8 29. c5 bxc5 30. Nxc5 Kf7 31. Nb7 Bc7 32. Bd2 a4 33. bxa4 Nd7 34. a5 e5 35. a6 Nb6 36. Ba5 Na8 37. Bxc7 Nxc7 38. a7 Ke6 39. Nc5+ Kd6 40. Nd3 Na8 41. Kf1 g5 42. f3 h5 43. Ke2 Kd5 44. h4 gxh4 45. gxh4 f4 46. Nf2 Nb6 47. Ne4 Ke6 48. Kd3 Kf5 49. Nd6+ Ke6 50. Nc4 1-0

[Event "Balatonbereny op"]
[Site "Balatonbereny"]
[Date "1993.??.??"]
[Round "3"]
[White "Lejnarova, Maria"]
[Black "Derera, Mihalyne"]
[Result "0-1"]
[ECO "D03"]
[BlackElo "2035"]
[PlyCount "110"]
[EventDate "1993.09.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 Ne4 4. Bf4 Bf5 5. e3 Nd7 6. Nbd2 e6 7. c3 Bd6 8. Ne5 Bxe5 9. dxe5 g5 10. Bg3 Nxg3 11. hxg3 Nxe5 12. Nb3 Qe7 13. Qd4 f6 14. Bb5+ c6 15. Be2 Nf7 16. Bh5 e5 17. Qd1 0-0-0 18. 0-0 Bg6 19. Be2 h5 20. Na5 Qc7 21. b4 Nd6 22. Nb3 Qe7 23. a4 h4 24. g4 h3 25. g3 h2+ 26. Kh1 Qh7 27. b5 Ne4 28. Rc1 c5 29. Bf3 c4 30. Nd2 Nxd2 31. Qxd2 Bd3 32. Rfe1 e4 33. Bg2 Rdf8 34. a5 f5 35. Qd1 fxg4 36. Qxg4+ Qf5 37. Qxf5+ Rxf5 38. b6 axb6 39. axb6 Kd7 40. Ra1 Rxf2 41. Ra7 Kc6 42. Rea1 Rb2 43. Ra8 Rh7 44. Rg8 Rxb6 45. Rxg5 Rb3 46. Rg6+ Kb5 47. Rc1 Rb2 48. Rg5 Kc5 49. g4 Rf7 50. Rh5 Rff2 51. Rxh2 Rfe2 52. g5 Rxe3 53. Rh6 Rg3 54. Ra1 Rxg5 55. Ra5+ Rb5 0-1

[Event "Zalakaros op 12th"]
[Site "Zalakaros"]
[Date "1993.??.??"]
[Round "5"]
[White "Volgyi, Robert"]
[Black "Derera, Mihalyne"]
[Result "1-0"]
[ECO "D35"]
[BlackElo "2035"]
[PlyCount "60"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Bg5 Be7 4. Nc3 d5 5. e3 Nbd7 6. Nf3 0-0 7. Bd3 c6 8. cxd5 exd5 9. 0-0 h6 10. Bf4 Re8 11. Bc2 Nf8 12. Ne5 Bd6 13. Qf3 Bxe5 14. dxe5 Ng4 15. Qg3 g5 16. h3 gxf4 17. exf4 Ng6 18. hxg4 Qh4 19. Bxg6 Qxg3 20. Bxf7+ Kxf7 21. fxg3 Bxg4 22. Kf2 Ke6 23. b4 Rad8 24. a4 Kf5 25. Rfe1 Re6 26. Ne2 d4 27. Rad1 d3 28. Rd2 b6 29. Ke3 Bxe2 30. Rexe2 dxe2 1-0

[Event "Zalakaros op 12th"]
[Site "Zalakaros"]
[Date "1993.??.??"]
[Round "2"]
[White "Wersching, Franz"]
[Black "Derera, Mihalyne"]
[Result "1/2-1/2"]
[ECO "E90"]
[BlackElo "2035"]
[PlyCount "88"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. Be2 Nbd7 9. 0-0 0-0 10. Bf4 e5 11. dxe5 Nxe5 12. Bxe5 dxe5 13. Rfd1 Qe7 14. Qe3 Qb4 15. Rd2 Rfd8 16. Rad1 Rxd2 17. Rxd2 Qe7 18. Qd3 Bf8 19. a3 Qc7 20. g4 Be7 21. b4 Rd8 22. Qe3 Rxd2 23. Qxd2 Qd6 24. Qxd6 Bxd6 25. c5 Be7 26. Kg2 Ne8 27. Bc4 Kf8 28. Kg3 Nc7 29. h4 g5 30. h5 b6 31. cxb6 axb6 32. Kf3 Bd8 33. a4 Ke7 34. Ke3 Ne8 35. Kd3 Nd6 36. f3 Kd7 37. Nd1 b5 38. axb5 cxb5 39. Bd5 h6 40. Nc3 f6 41. Bb3 Kc6 42. Nd5 Ne8 43. Ne3 Be7 44. Bd5+ Kb6 1/2-1/2

[Event "Balatonbereny op"]
[Site "Balatonbereny"]
[Date "1993.??.??"]
[Round "5"]
[White "Zilahi, Gabor"]
[Black "Derera, Mihalyne"]
[Result "0-1"]
[ECO "C62"]
[BlackElo "2035"]
[PlyCount "112"]
[EventDate "1993.09.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Be7 5. d4 Bg4 6. d5 a6 7. Ba4 b5 8. dxc6 bxa4 9. c4 Nf6 10. Re1 0-0 11. Nc3 Qe8 12. Qxa4 Bxf3 13. gxf3 Nh5 14. Nd5 Bd8 15. c5 f5 16. Qb3 Kh8 17. Qb7 Qg6+ 18. Kh1 Bh4 19. Rg1 Qf7 20. Qxc7 dxc5 21. Qxf7 Rxf7 22. Be3 Rc8 23. c7 Nf6 24. Rgd1 Nxd5 25. Rxd5 Rfxc7 26. Rxe5 fxe4 27. Rxe4 Bf6 28. Rb1 c4 29. b4 Rb7 30. Bc5 c3 31. Rc1 h5 32. Kg2 Rc6 33. Rc2 Rd7 34. Be3 Rd1 35. Bc1 Rcd6 36. Rc4 Re6 37. R2xc3 Bxc3 38. Rxc3 Ree1 39. Bf4 Rg1+ 40. Kh3 Rd5 41. Rc5 Rd4 42. Be5 Rxb4 43. Rc6 Ra4 44. Rh6+ Kg8 45. Rb6 Kh7 46. Rb2 Kh6 47. f4 Ra3+ 48. Kh4 Kg6 49. Rb7 Kf5 50. Rf7+ Ke6 51. Rc7 Rg2 52. h3 Rxf2 53. Rxg7 Rff3 54. Rg2 Rxh3+ 55. Kg5 Rhg3+ 56. Rxg3 Rxg3+ 0-1

[Event "Eger op"]
[Site "Eger"]
[Date "1990.??.??"]
[Round "?"]
[White "Bencze, Laszlo"]
[Black "Derera, Mihalyne"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2280"]
[BlackElo "2180"]
[PlyCount "71"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. Bf4 Ne4 7. Qc1 Bg4 8. Bh6 Nd7 9. Bxg7 Kxg7 10. Re1 Bxf3 11. exf3 Nd6 12. Nc3 c6 13. h4 Nf5 14. Ne2 e6 15. Qd2 h6 16. Nf4 Qf6 17. c3 Rae8 18. Nd3 Qd8 19. Re2 Qc7 20. Rae1 Re7 21. h5 Rfe8 22. Bh3 e5 23. hxg6 Kxg6 24. dxe5 Ng7 25. Bxd7 Qxd7 26. e6 Qc8 27. Ne5+ Kh7 28. Nxf7 Rxe6 29. Ne5 Qd8 30. Qd3+ Kg8 31. f4 Qf6 32. Ng4 Qf7 33. f5 Nxf5 34. Rxe6 Rxe6 35. Rxe6 Qxe6 36. Qxf5 1-0

[Event "HUN-ch (Women)"]
[Site "Gyor"]
[Date "1990.??.??"]
[Round "7"]
[White "Derera, Mihalyne"]
[Black "Atkins, Rita"]
[Result "1-0"]
[ECO "A68"]
[WhiteElo "2165"]
[BlackElo "2185"]
[PlyCount "131"]
[EventDate "1990.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 0-0 9. Be2 a6 10. a4 Bg4 11. 0-0 Re8 12. Qc2 Nbd7 13. h3 Bxf3 14. Bxf3 Rb8 15. Be2 Qc7 16. g4 h6 17. Qd3 c4 18. Qf3 Nc5 19. e5 Nfd7 20. e6 fxe6 21. dxe6 Nxe6 22. f5 Qc5+ 23. Kh1 Nd4 24. Qg2 g5 25. Bd1 Qc6 26. Bd2 Qxg2+ 27. Kxg2 Nf6 28. a5 Kf7 29. Ba4 Nc6 30. Rae1 d5 31. Rxe8 Rxe8 32. Rd1 d4 33. Nb1 Ne4 34. Bxc6 bxc6 35. Na3 Nxd2 36. Rxd2 c3 37. bxc3 dxc3 38. Rd7+ Re7 39. Rxe7+ Kxe7 40. Kf3 Kd6 41. Ke3 Kc5 42. Kd3 Kb4 43. Nc2+ Kxa5 44. Ne3 Kb4 45. Kc2 a5 46. Kb1 a4 47. Ka2 Kc5 48. Nc2 Kc4 49. Kb1 Bf6 50. Kc1 Kb3 51. Na1+ Ka2 52. Nc2 a3 53. Ne1 Kb3 54. Nc2 Ka4 55. Kb1 Be5 56. Ka2 Bd6 57. Nd4 Kb4 58. Nc2+ Kc4 59. Kb1 Kd3 60. Kc1 a2 61. Kd1 Kc4 62. Na1 Be5 63. Kc2 c5 64. Nb3 Kb4 65. Na1 c4 66. Kc1 1-0

[Event "HUN-ch (Women)"]
[Site "Gyor"]
[Date "1990.??.??"]
[Round "3"]
[White "Derera, Mihalyne"]
[Black "Horvath, Julia"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2165"]
[BlackElo "2210"]
[PlyCount "136"]
[EventDate "1990.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c6 5. 0-0 0-0 6. Nbd2 d5 7. Ne5 Ng4 8. Ndf3 f6 9. Nxg4 Bxg4 10. c3 Qd7 11. Qb3 Be6 12. Ne1 Na6 13. Nd3 Rac8 14. Nf4 Bf7 15. e3 Rce8 16. Bh3 e6 17. Nd3 Qc7 18. Qc2 e5 19. b3 e4 20. Nf4 g5 21. Ne2 Be6 22. Bxe6+ Rxe6 23. Ba3 Rfe8 24. c4 Qf7 25. Kg2 f5 26. Rae1 Qh5 27. Ng1 g4 28. h4 gxh3+ 29. Kh2 Qg4 30. Qe2 Nc7 31. Bc1 b5 32. c5 Rg6 33. Qxg4 fxg4 34. Ne2 Bh6 35. Nf4 Rf6 36. Re2 Bxf4 37. exf4 Ne6 38. Be3 Ng7 39. Rb1 Rf7 40. Rd2 h5 41. Re2 Nf5 42. Rd1 Rb8 43. a3 h4 44. Rdd2 hxg3+ 45. fxg3 Rh7 46. Bg1 e3 47. Bxe3 Re8 48. Bg1 Rhe7 49. Re5 Rxe5 50. fxe5 Ng7 51. Rf2 Rf8 52. Rf4 Rxf4 53. gxf4 Nf5 54. Bf2 Kf7 55. Bg1 Kg6 56. Bf2 Kh5 57. a4 a6 58. axb5 axb5 59. b4 Kg6 60. Bg1 Kh6 61. Bf2 Kh5 62. Bg1 Kh4 63. e6 g3+ 64. Kh1 Kg4 65. Be3 Nxe3 66. e7 g2+ 67. Kh2 Nf1+ 68. Kg1 Kg3 0-1

[Event "HUN-ch (Women)"]
[Site "Gyor"]
[Date "1990.??.??"]
[Round "9"]
[White "Derera, Mihalyne"]
[Black "Ivanka, Maria"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "2165"]
[BlackElo "2265"]
[PlyCount "98"]
[EventDate "1990.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. c4 d6 6. 0-0 c6 7. Nc3 Qa5 8. Bd2 Qh5 9. e4 Bg4 10. Be3 Nbd7 11. Qe2 e5 12. h3 Bxh3 13. Bxh3 Qxh3 14. Ng5 Qg4 15. Qxg4 Nxg4 16. Nf3 Nxe3 17. fxe3 Bh6 18. Kf2 Nf6 19. Nh2 a6 20. Ke2 Bg7 21. Rad1 b5 22. cxb5 axb5 23. a3 Rfb8 24. g4 b4 25. axb4 Rxb4 26. Rd2 Rab8 27. Rb1 exd4 28. exd4 Bh6 29. Rc2 Bf4 30. Kf3 Bxh2 31. Rxh2 Rxd4 32. Re1 h5 33. gxh5 Nxh5 34. Ke3 Rdb4 35. Ree2 Ng3 36. Ref2 Nxe4 37. Nxe4 Re8 38. Rf6 Rbxe4+ 39. Kd3 Re3+ 40. Kd2 R8e6 41. Rf4 R3e4 42. Rf3 Kg7 43. Rfh3 f5 44. Rh7+ Kf6 45. Rc7 c5 46. Rd7 f4 47. Kd3 Rd4+ 48. Kc3 f3 49. Rhh7 Rf4 0-1

[Event "HUN-ch (Women)"]
[Site "Gyor"]
[Date "1990.??.??"]
[Round "10"]
[White "Derera, Mihalyne"]
[Black "Madl, Ildiko"]
[Result "0-1"]
[ECO "A61"]
[WhiteElo "2165"]
[BlackElo "2375"]
[PlyCount "57"]
[EventDate "1990.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 e6 4. c4 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg5 h6 8. Bh4 g5 9. Bg3 Nh5 10. Qa4+ Qd7 11. Qxd7+ Bxd7 12. e4 Nxg3 13. hxg3 Bg7 14. Nd2 Ke7 15. Bd3 Na6 16. a3 Rab8 17. f4 b5 18. Nf3 c4 19. Be2 Nc5 20. e5 g4 21. exd6+ Kxd6 22. Nd2 Rbe8 23. Kf1 Re3 24. Bxc4 Rxc3 25. bxc3 Bxc3 26. Rd1 Bxd2 27. Rxd2 bxc4 28. Rd4 Nb3 29. Re4 0-1

[Event "HUN-ch (Women)"]
[Site "Gyor"]
[Date "1990.??.??"]
[Round "1"]
[White "Derera, Mihalyne"]
[Black "Nemeth, Maria"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2165"]
[BlackElo "2160"]
[PlyCount "92"]
[EventDate "1990.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 Bf5 5. 0-0 e6 6. Nbd2 Nbd7 7. c4 h6 8. Ne5 Nxe5 9. dxe5 Nd7 10. cxd5 cxd5 11. e4 dxe4 12. Bxe4 Bxe4 13. Nxe4 Nxe5 14. Qxd8+ Rxd8 15. Be3 b6 16. Rac1 f5 17. Nd2 Bd6 18. Nb3 Nd3 19. Rc2 Nb4 20. Re2 Kf7 21. Bd2 Nd5 22. Nd4 Rhe8 23. Rfe1 Nc7 24. Nc6 Ra8 25. Bc3 g6 26. f4 a6 27. a3 Nd5 28. Be5 Rac8 29. Nd4 Bc5 30. Kg2 Bxd4 31. Bxd4 Rc4 32. Be5 Rec8 33. Bc3 Nxc3 34. bxc3 R8c6 35. Rd2 g5 36. Rd7+ Kf6 37. fxg5+ hxg5 38. Rb7 Rxc3 39. Rb1 b5 40. a4 Rc2+ 41. Kg1 bxa4 42. R7b4 a3 43. Rd4 a2 44. Ra1 Rc1+ 45. Rd1 Rxd1+ 46. Rxd1 Rb6 0-1

[Event "Eger op"]
[Site "Eger"]
[Date "1990.??.??"]
[Round "?"]
[White "Derera, Mihalyne"]
[Black "Paal, Attila"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2180"]
[PlyCount "73"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nf3 c5 4. Nc3 cxd4 5. Nxd4 a6 6. e4 Qc7 7. Be2 Bb4 8. Qc2 Qe5 9. Be3 Qxe4 10. Qxe4 Nxe4 11. Rc1 Nc6 12. 0-0 Nxc3 13. bxc3 Be7 14. Rfd1 0-0 15. Bf4 g5 16. Bc7 f5 17. Nb3 b5 18. c5 Rf7 19. Bd6 Bxd6 20. Rxd6 g4 21. Nd4 Nxd4 22. cxd4 Bb7 23. Rb1 Bc6 24. a4 h5 25. a5 f4 26. Bd1 Rf5 27. Bb3 Bd5 28. Bc2 Rf7 29. Re1 h4 30. Be4 Bxe4 31. Rxe4 Kh7 32. g3 Ra7 33. gxh4 Rf5 34. Kg2 Rd5 35. Rb6 e5 36. Rxe5 Rxd4 37. Re7+ 1-0

[Event "Eger op"]
[Site "Eger"]
[Date "1990.??.??"]
[Round "?"]
[White "Derera, Mihalyne"]
[Black "Parkanyi, Attila"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "2180"]
[BlackElo "2275"]
[PlyCount "61"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[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. e3 cxd4 5. exd4 d5 6. Nf3 Be7 7. Bg5 Nc6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Bb5 Nxc3 11. bxc3 0-0 12. 0-0 Bd7 13. Rb1 Rfd8 14. Qe2 Rac8 15. Rfe1 Be8 16. Qe4 b6 17. Re3 g6 18. Qf4 Rd5 19. Bxc6 Bxc6 20. Ne5 Ra5 21. Rh3 f5 22. Nxc6 Rxc6 23. Re1 Qd6 24. Qh6 Qd7 25. Qd2 Qd5 26. Qh6 Rc7 27. Qf4 Qc4 28. Qd6 Rxa2 29. d5 Qc5 30. Qxe6+ Rf7 31. d6 0-1

[Event "HUN-ch (Women)"]
[Site "Gyor"]
[Date "1990.??.??"]
[Round "4"]
[White "Forgo, Eva"]
[Black "Derera, Mihalyne"]
[Result "1-0"]
[ECO "B93"]
[WhiteElo "2220"]
[BlackElo "2165"]
[PlyCount "87"]
[EventDate "1990.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Bg4 8. fxe5 Bxf3 9. gxf3 dxe5 10. Qxd8+ Kxd8 11. Bg5 Nbd7 12. 0-0-0 Kc7 13. Bc4 Bb4 14. Bxf7 Bxc3 15. bxc3 Rhf8 16. Bb3 Ne8 17. Rhf1 Nc5 18. Be7 Nxb3+ 19. cxb3 Rf7 20. Bh4 Nd6 21. Bg3 Re8 22. Kd2 Kc6 23. Ke3 Rfe7 24. Rd3 Nf7 25. Rfd1 Re6 26. Rd5 Rd6 27. c4 g6 28. Be1 Red8 29. Bb4 Rxd5 30. exd5+ Kd7 31. c5 Re8 32. Rg1 Rc8 33. Ke4 Re8 34. Bd2 Rc8 35. Be3 Ra8 36. b4 b6 37. cxb6 Nd6+ 38. Kd3 a5 39. Rc1 Ne8 40. b5 a4 41. Rc6 Nd6 42. Rc7+ Ke8 43. Bc5 Nxb5 44. Rxh7 1-0

[Event "HUN-ch (Women)"]
[Site "Gyor"]
[Date "1990.??.??"]
[Round "6"]
[White "Nagy, Ervinne"]
[Black "Derera, Mihalyne"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2220"]
[BlackElo "2165"]
[PlyCount "99"]
[EventDate "1990.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. g3 Nc6 4. Bg2 Nf6 5. d3 e5 6. c3 Be7 7. 0-0 Be6 8. Nbd2 Qc7 9. Re1 0-0 10. Nf1 Ne8 11. Ne3 Bf6 12. Nf5 Ne7 13. g4 Ng6 14. g5 Bd8 15. N3h4 Qd7 16. Be3 Nxh4 17. Nxh4 g6 18. d4 Bg4 19. f3 cxd4 20. cxd4 exd4 21. Qxd4 Bb6 22. Qd3 Bxe3+ 23. Rxe3 Bh3 24. f4 Bxg2 25. Nxg2 Ng7 26. Rd1 Rad8 27. Rh3 Qg4 28. Rh4 Qe6 29. Ne3 Rfe8 30. Ng4 Nh5 31. Nh6+ Kf8 32. f5 Qe5 33. Qb3 Re7 34. Rd5 Qg7 35. Rxh5 gxh5 36. f6 Qg6 37. fxe7+ Kxe7 38. Rf5 f6 39. Qxb7+ Rd7 40. Qd5 fxg5 41. Rxg5 Qxh6 42. Qg8 Qe6 43. Qxh7+ Kd8 44. Qh8+ Kc7 45. Rg8 Re7 46. Qc3+ Kb7 47. Qb4+ Kc6 48. Qa4+ Kb6 49. Rb8+ Kc5 50. Rb5+ 1-0

[Event "Eger op"]
[Site "Eger"]
[Date "1990.??.??"]
[Round "?"]
[White "Orso, Miklos"]
[Black "Derera, Mihalyne"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2390"]
[BlackElo "2180"]
[PlyCount "97"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[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 Qc7 6. Bg2 d4 7. 0-0 Be7 8. c3 Nf6 9. Qe2 e5 10. a4 h6 11. Nc4 Be6 12. Bd2 Nd7 13. Rfc1 Bxc4 14. dxc4 Na5 15. Qd1 Rd8 16. cxd4 cxd4 17. c5 0-0 18. b4 Nc6 19. a5 a6 20. Ne1 Rfe8 21. Nd3 Bf8 22. Qb3 Na7 23. Rc2 Qc6 24. Re1 Qe6 25. Qxe6 Rxe6 26. Bf1 g5 27. Nb2 Nb8 28. Bc4 Rf6 29. Bd5 Nbc6 30. Nc4 Re8 31. Kg2 Nb5 32. Rcc1 g4 33. Nb6 Rf3 34. Bc4 Rf6 35. Nd5 Rg6 36. Bxb5 axb5 37. Nc7 Rc8 38. Nxb5 h5 39. Rc4 Bh6 40. Bxh6 Rxh6 41. Nd6 Rc7 42. Ra1 Nb8 43. b5 Rxd6 44. cxd6 Rxc4 45. a6 bxa6 46. bxa6 Rc8 47. a7 Nd7 48. a8Q Rxa8 49. Rxa8+ 1-0

[Event "HUN-ch (Women)"]
[Site "Gyor"]
[Date "1990.??.??"]
[Round "2"]
[White "Sziva, Erika"]
[Black "Derera, Mihalyne"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2260"]
[BlackElo "2165"]
[PlyCount "69"]
[EventDate "1990.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb6 5. a4 a5 6. g3 Nc6 7. Bb5 Bd7 8. 0-0 dxe5 9. dxe5 e6 10. Nc3 Na7 11. Qe2 Nxb5 12. axb5 Nd5 13. Ne4 Be7 14. Rd1 0-0 15. Qd3 a4 16. c4 Nb6 17. Be3 Bc8 18. Qc2 Qe8 19. Nfg5 g6 20. Bxb6 cxb6 21. Nf3 Kg7 22. Rxa4 Rxa4 23. Qxa4 f6 24. Qc2 f5 25. Nd6 Bxd6 26. Rxd6 Rf7 27. Qd3 Rd7 28. Qd4 Qd8 29. Qxb6 Rxd6 30. Qxd6 Bd7 31. Nd4 Kf7 32. Nxe6 Qe7 33. Nc5 Bc8 34. Qxe7+ Kxe7 35. f4 1-0

[Event "HUN-ch (Women)"]
[Site "Gyor"]
[Date "1990.??.??"]
[Round "8"]
[White "Velvart, Peterne"]
[Black "Derera, Mihalyne"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "2225"]
[BlackElo "2165"]
[PlyCount "45"]
[EventDate "1990.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nb6 5. Nc3 e6 6. Be3 c6 7. Bd3 N8d7 8. a4 Nf6 9. h3 Qc7 10. Rc1 Bb4 11. Nf3 Nbd7 12. 0-0 Bxc3 13. Rxc3 0-0 14. Qc2 h6 15. b4 Nh5 16. e5 f5 17. g4 fxg4 18. Bh7+ Kh8 19. Nh4 Nf4 20. Bxf4 Rxf4 21. Ng6+ Kxh7 22. Nxf4+ Kg8 23. Nxe6 1-0

