[Event "Chalkidiki op"]
[Site "Chalkidiki"]
[Date "2015.07.18"]
[Round "8"]
[White "Konstantinidis, Michail"]
[Black "Konstantinidis, Lazaros"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1894"]
[BlackElo "1804"]
[PlyCount "85"]
[EventDate "2015.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. Bb5+ Nbd7 6. Nc3 a6 7. Ba4 b5 8. Bb3 Nb6 9. Nge2 Nfxd5 10. Nxd5 Nxd5 11. 0-0 g6 12. Ng3 Bc8 13. Re1 Bg7 14. c3 0-0 15. Bg5 Bf6 16. Bxd5 Qxd5 17. Bxf6 exf6 18. Ne4 Kg7 19. Qd2 g5 20. Nxf6 Kxf6 21. Re5 Qxe5 22. dxe5+ Kg6 23. h4 h6 24. hxg5 hxg5 25. a4 Be6 26. axb5 axb5 27. Rxa8 Rxa8 28. Qd3+ Kh6 29. Qxb5 Rc8 30. Qc6 Rb8 31. b4 Rd8 32. Kh2 Kh5 33. Qxc7 Rc8 34. Qe7 Rxc3 35. b5 Rc2 36. b6 Bd5 37. Kg3 Rb2 38. Qd8 Be6 39. Qh8+ Kg6 40. Qg8+ Kh6 41. Qh8+ Kg6 42. Qf6+ Kh5 43. Qg7 1-0

[Event "Chalkidiki op"]
[Site "Chalkidiki"]
[Date "2015.07.17"]
[Round "7"]
[White "Konstantinidis, Lazaros"]
[Black "Topel, Zehra"]
[Result "0-1"]
[ECO "A65"]
[WhiteElo "1804"]
[BlackElo "2173"]
[PlyCount "60"]
[EventDate "2015.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 0-0 6. Ng3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Re8 10. h4 h5 11. Bg5 Qa5 12. Qd2 Nbd7 13. 0-0 Ne5 14. Bxf6 Bxf6 15. Bxh5 gxh5 16. Nxh5 Qd8 17. Nb5 Kh7 18. Nc7 Nf3+ 19. gxf3 Rg8+ 20. Ng3 Qxc7 21. Kh2 Qe7 22. f4 Bd4 23. Rh1 Qf6 24. Rag1 Bd7 25. Kg2 Rae8 26. Re1 Rg4 27. f5 Qh6 28. Qxh6+ Kxh6 29. Kf3 Reg8 30. a3 Bxf2 0-1

[Event "Blagoevgrad op"]
[Site "Blagoevgrad"]
[Date "2013.10.03"]
[Round "8"]
[White "Konstantinidis, Lazaros"]
[Black "Tetimov, Ivan"]
[Result "0-1"]
[ECO "D89"]
[WhiteElo "1857"]
[BlackElo "2066"]
[PlyCount "70"]
[EventDate "2013.09.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 c5 9. 0-0 Nc6 10. Be3 Bg4 11. f3 Na5 12. Bd3 cxd4 13. cxd4 Be6 14. d5 Bxa1 15. Qxa1 f6 16. Bh6 Re8 17. Rb1 Rc8 18. Qd4 Bf7 19. Rb5 a6 20. Rb6 Nc4 21. Rxb7 Ne5 22. Bd2 Nxd3 23. Qxd3 Rb8 24. Rxb8 Qxb8 25. Nd4 Qb2 26. Nc6 a5 27. Bc3 Qxa2 28. d6 exd6 29. Bxf6 Qe6 30. Qd4 Qc4 31. Qxd6 Qe6 32. Ne7+ Rxe7 33. Qxe7 Qb6+ 34. Kf1 Bc4+ 35. Ke1 Qe3+ 0-1

[Event "Blagoevgrad op"]
[Site "Blagoevgrad"]
[Date "2013.10.02"]
[Round "7"]
[White "Konstantinidis, Lazaros"]
[Black "Dimitrov, Ivan"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "1857"]
[BlackElo "1882"]
[PlyCount "67"]
[EventDate "2013.09.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nd2 Qa5 5. Qc2 bxc4 6. e4 d6 7. Bxc4 g6 8. b3 Bg7 9. Bb2 0-0 10. Bc3 Qc7 11. Ne2 a5 12. 0-0 Nbd7 13. f4 Nb6 14. Bd3 Ba6 15. Nc4 Nxc4 16. bxc4 Rfb8 17. h3 Ne8 18. Bxg7 Nxg7 19. f5 Rb4 20. fxg6 hxg6 21. Nf4 Rab8 22. e5 Rb2 23. Qc1 dxe5 24. Nxg6 Bxc4 25. Bxc4 Qd6 26. Nxe7+ Qxe7 27. d6 Qxd6 28. Rxf7 Kh7 29. Qg5 Rb1+ 30. Rxb1 Rxb1+ 31. Kh2 e4+ 32. Rf4 Rb4 33. Qh4+ Qh6 34. Bg8+ 1-0

[Event "Blagoevgrad op"]
[Site "Blagoevgrad"]
[Date "2013.10.01"]
[Round "6"]
[White "Angelov, Zvetomir"]
[Black "Konstantinidis, Lazaros"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2108"]
[BlackElo "1857"]
[PlyCount "181"]
[EventDate "2013.09.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 f5 5. e3 Nf6 6. Nge2 d6 7. d4 Bb6 8. 0-0 0-0 9. b4 Nxb4 10. Qb3 c5 11. Na4 Nc6 12. dxc5 dxc5 13. Ba3 Na5 14. Qc2 Qc7 15. Rfc1 Be6 16. Nb2 Rac8 17. Nc3 e4 18. Nb5 Qe7 19. Nd4 Nc6 20. Nxc6 Rxc6 21. Na4 Rd8 22. Rab1 Rd3 23. Qb2 Qd7 24. Bf1 Rd2 25. Rc2 Rxc2 26. Qxc2 Qc7 27. Bb2 Ng4 28. Bc3 Ba5 29. Bb2 b6 30. Rd1 Rd6 31. h3 Rxd1 32. Qxd1 Nf6 33. Nc3 Bxc3 34. Bxc3 Qd7 35. Qa1 Ne8 36. Be5 Nd6 37. Qc3 Qe7 38. Bf4 Nf7 39. h4 h6 40. h5 Nd8 41. Be2 Nc6 42. a3 Kf7 43. Kg2 Qf6 44. Qd2 Qd8 45. Qc3 Qf6 46. Qc2 Ke7 47. Qd2 Bd7 48. Bc7 Qe6 49. Qc3 Qf6 50. Qc2 Qe6 51. Qd2 Ne5 52. Qc3 Kf6 53. Bb8 a6 54. Bc7 Bc8 55. Qb2 Bd7 56. Bxe5+ Qxe5 57. Qxb6+ Ke7 58. Qxa6 Qb8 59. Bf1 Qb3 60. Qa5 Kd6 61. Qd8 Kc6 62. Qa8+ Qb7 63. Qf8 Bc8 64. Kh2 Qd7 65. Bg2 Kb6 66. a4 Qc7 67. Bh3 Ka5 68. Bxf5 Bxf5 69. Qxf5 Qe7 70. Kg2 Kxa4 71. f3 exf3+ 72. Kxf3 Kb4 73. Qd5 Qf6+ 74. Ke4 Qc3 75. Kf3 Qf6+ 76. Kg4 Qc3 77. e4 Qxc4 78. Kf5 Qc1 79. Qb7+ Kc4 80. Qxg7 Kd3 81. e5 c4 82. e6 c3 83. e7 Qf1+ 84. Ke6 c2 85. Qg6+ Kc3 86. e8Q c1Q 87. Qc6+ Qc4+ 88. Qxc4+ Kxc4 89. Kf7 Kd4 90. Kg7 Qe3 91. Qb6+ 1-0

[Event "Blagoevgrad op"]
[Site "Blagoevgrad"]
[Date "2013.10.01"]
[Round "5"]
[White "Konstantinidis, Lazaros"]
[Black "Vasileva, Cveta"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1857"]
[BlackElo "1564"]
[PlyCount "107"]
[EventDate "2013.09.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. Nf3 Nc6 5. e3 Bb4 6. Bd3 dxc4 7. Bxc4 Ne4 8. Qc2 f5 9. 0-0 Nxc3 10. bxc3 Be7 11. e4 a6 12. exf5 b5 13. Bd3 exf5 14. Bxf5 Bxf5 15. Qxf5 Qd7 16. Qe4 0-0 17. Bf4 Rae8 18. Ne5 Nxe5 19. Bxe5 Bf6 20. f4 c6 21. a4 Bxe5 22. fxe5 Rxf1+ 23. Kxf1 Qf7+ 24. Kg1 Qc4 25. axb5 axb5 26. Rf1 Rf8 27. Rxf8+ Kxf8 28. Qe3 h6 29. Kf2 Ke7 30. Kg3 g6 31. h3 g5 32. Qf3 Qe6 33. h4 c5 34. Qb7+ Kf8 35. Qxb5 cxd4 36. cxd4 gxh4+ 37. Kxh4 Qe7+ 38. Kh3 Qe6+ 39. Kh2 Qg4 40. Qb8+ Kf7 41. Qc7+ Kg6 42. Qc6+ Kh7 43. Qc7+ Kg8 44. Qd8+ Kh7 45. Qe7+ Kg8 46. d5 Qf4+ 47. Kh3 Qe3+ 48. g3 Qe4 49. d6 Qh1+ 50. Kg4 Qe4+ 51. Kh5 Qh1+ 52. Kg6 Qe4+ 53. Kxh6 Qe3+ 54. Qg5+ 1-0

[Event "Blagoevgrad op"]
[Site "Blagoevgrad"]
[Date "2013.09.30"]
[Round "4"]
[White "Orev, Petar"]
[Black "Konstantinidis, Lazaros"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2152"]
[BlackElo "1857"]
[PlyCount "45"]
[EventDate "2013.09.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 c6 3. Nf3 Nd7 4. d4 e6 5. 0-0 Ngf6 6. Qd3 Bd6 7. Nc3 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Qxe4 c5 11. Rd1 Qc7 12. dxc5 Bxc5 13. Qe2 e5 14. b3 f5 15. Bb2 e4 16. Nd4 Ne5 17. Nb5 Qe7 18. Rd5 Ng4 19. Bd4 Bxd4 20. Rxd4 Qe5 21. Rad1 a6 22. Nd6 Qa5 23. Qc4+ 1-0

[Event "Blagoevgrad op"]
[Site "Blagoevgrad"]
[Date "2013.09.29"]
[Round "3"]
[White "Konstantinidis, Lazaros"]
[Black "Danov, Lyubomir"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "1857"]
[BlackElo "2169"]
[PlyCount "95"]
[EventDate "2013.09.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. c4 g6 2. d4 Bg7 3. e4 c5 4. d5 d6 5. Ne2 e6 6. Ng3 e5 7. Be2 Ne7 8. 0-0 Nd7 9. Nc3 0-0 10. Be3 a6 11. a4 f5 12. exf5 Nxf5 13. Nxf5 gxf5 14. f4 exf4 15. Bxf4 Ne5 16. Qd2 Qf6 17. Rae1 Bd7 18. Bd3 Rae8 19. a5 Ng6 20. Ne2 Nxf4 21. Nxf4 Rxe1 22. Rxe1 Bh6 23. Qf2 Rf7 24. Ne6 f4 25. Qe2 f3 26. gxf3 Qxf3 27. Qg2+ Kh8 28. Rf1 Qxg2+ 29. Kxg2 Rxf1 30. Kxf1 Kg8 31. Ke2 Bc1 32. b3 h6 33. Bg6 Ba3 34. Ke3 Bb4 35. Nd8 Kf8 36. Ke4 Ke7 37. Ne6 Bxa5 38. Bh5 Bc3 39. Kf5 b5 40. cxb5 axb5 41. Be2 b4 42. Bc4 Be8 43. Be2 Bf7 44. Nf4 Be5 45. Ng6+ Bxg6+ 46. Kxg6 Bxh2 47. Kxh6 Kf6 48. Bc4 1/2-1/2

[Event "Blagoevgrad op"]
[Site "Blagoevgrad"]
[Date "2013.09.29"]
[Round "2"]
[White "Kovachev, Radoslav"]
[Black "Konstantinidis, Lazaros"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1561"]
[BlackElo "1857"]
[PlyCount "62"]
[EventDate "2013.09.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. g3 Bg4 4. Nf3 Qxd5 5. Bg2 Qe4+ 6. Kf1 Nc6 7. Nc3 Qf5 8. h3 Bxf3 9. Bxf3 0-0-0 10. Bxc6 bxc6 11. d3 e5 12. Qe2 Bc5 13. Be3 Bd4 14. Kg2 h5 15. Qf3 Qxf3+ 16. Kxf3 Nd5 17. Bxd4 exd4 18. Ne4 f5 19. Nc5 Rde8 20. a3 f4 21. Rad1 fxg3 22. fxg3 Rhf8+ 23. Kg2 Ne3+ 24. Kg1 Rf3 25. Rd2 Rxg3+ 26. Kf2 Rg2+ 27. Kf3 Rf8+ 28. Ke4 Rxd2 29. Kxd4 Rd8+ 30. Ke4 Nxc2 31. Kf5 Rd5+ 0-1

[Event "Blagoevgrad op"]
[Site "Blagoevgrad"]
[Date "2013.09.28"]
[Round "1"]
[White "Konstantinidis, Lazaros"]
[Black "Vasilev, Milen"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1857"]
[BlackElo "2487"]
[PlyCount "66"]
[EventDate "2013.09.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. f3 g6 6. e4 d6 7. Nc3 Bg7 8. Nh3 Bxh3 9. gxh3 0-0 10. Bg2 axb5 11. Nxb5 Qb6 12. a4 Nfd7 13. Qe2 Na6 14. Bg5 Rfe8 15. Ra3 Nb4 16. 0-0 Ne5 17. Be3 Ra5 18. f4 Nd7 19. Kh1 Rea8 20. Rfa1 Qb8 21. Bf1 Nb6 22. Nc3 Bd4 23. Bxd4 cxd4 24. Nb5 d3 25. Qd1 Nc2 26. b3 Nxa3 27. Nxa3 Nxa4 28. bxa4 Rxa4 29. Rb1 Rb4 30. Rxb4 Qxb4 31. Nb1 Qxe4+ 32. Kg1 Ra2 33. Qxd3 Qe1 0-1

[Event "World Amateur-ch"]
[Site "Thessaloniki"]
[Date "2009.05.02"]
[Round "8"]
[White "Konstantinidis, Lazaros"]
[Black "Rzayev, Askar Aliakbar"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1945"]
[PlyCount "136"]
[EventDate "2009.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. a3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 d5 5. Bg5 Ne4 6. Bh4 Nxc3 7. bxc3 dxc4 8. Qa4+ c6 9. Qxc4 Be6 10. Qb4 Qd7 11. e3 f6 12. Bc4 Bxc4 13. Qxc4 Qd5 14. Qxd5 cxd5 15. Rb1 b6 16. Ne2 Nc6 17. Nf4 g5 18. Nxd5 gxh4 19. Nc7+ Kd7 20. Nxa8 Rxa8 21. Kd2 Na5 22. Kd3 Kc6 23. a4 a6 24. Rb2 e6 25. Rhb1 Rb8 26. c4 Rb7 27. f4 f5 28. Re2 Rd7 29. Rc2 Bf6 30. c5 b5 31. axb5+ axb5 32. Ra2 Bd8 33. Rba1 Ra7 34. e4 fxe4+ 35. Kxe4 b4 36. Rb2 Kb5 37. Rab1 Nc6 38. g4 hxg3 39. hxg3 Bf6 40. Rd2 Rd7 41. d5 exd5+ 42. Rxd5 Re7+ 43. Kf3 Bc3 44. Kg4 Kc4 45. Rh5 b3 46. Rh6 Rc7 47. f5 b2 48. f6 Kxc5 49. Kf5 Nd4+ 50. Ke4 Kc4 51. Rh2 Kb3 52. Rf2 Nb5 53. Kd5 Rc8 54. f7 Rd8+ 55. Ke6 Nd4+ 56. Ke7 Nc6+ 57. Ke6 Rf8 58. Rh2 Ka2 59. Rc1 Nd4+ 60. Ke7 Bb4+ 61. Kf6 Nf3 62. Rxb2+ Kxb2 63. Rh1 Rh8 64. g4 Bc3+ 65. Ke7 Bg7 66. Rf1 Ne5 67. g5 Ng6+ 68. Ke6 Ra8 0-1

[Event "World Amateur-ch"]
[Site "Thessaloniki"]
[Date "2009.05.01"]
[Round "6"]
[White "Konstantinidis, Lazaros"]
[Black "Ferreira, Euclides Roberto"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1945"]
[PlyCount "74"]
[EventDate "2009.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. f3 e6 6. e4 d6 7. Nc3 Be7 8. Bc4 axb5 9. Nxb5 0-0 10. Ne2 exd5 11. exd5 Nbd7 12. Bf4 Nb6 13. b3 Nh5 14. Bg3 Nxg3 15. hxg3 Bf6 16. Bd3 g6 17. Nec3 Re8+ 18. Kf2 Ba6 19. Ne4 Rxe4 20. fxe4 Bxb5 21. Bxb5 Bd4+ 22. Ke2 Qg5 23. Qd3 Qe5 24. Rac1 Nxd5 25. a4 Ne3 26. Bc6 Qxg3 27. e5 Re8 28. Rh3 Qg5 29. Rxe3 Bxe3 30. Bxe8 Bxc1 31. Qd5 Qe7 32. Bb5 dxe5 33. a5 e4 34. a6 Bf4 35. Qa8+ Kg7 36. a7 Qe5 37. Qd8 Qb2+ 0-1

[Event "World Amateur-ch"]
[Site "Thessaloniki"]
[Date "2009.04.30"]
[Round "5"]
[White "Hrisomalis, Theodoros"]
[Black "Konstantinidis, Lazaros"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1982"]
[BlackElo "1945"]
[PlyCount "92"]
[EventDate "2009.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Be2 Nxd5 5. d4 Bf5 6. Nf3 e6 7. a3 Be7 8. c4 Nb6 9. Nc3 Nc6 10. 0-0 0-0 11. Be3 Bf6 12. h3 h6 13. b4 Qe7 14. Qb3 e5 15. dxe5 Nxe5 16. Bc5 Nxf3+ 17. Bxf3 Qe5 18. Nd5 Rfe8 19. Nxf6+ Qxf6 20. Bxb7 Rad8 21. Rad1 Qg6 22. Bxb6 axb6 23. Qf3 Bd3 24. Rfe1 Bxc4 25. Rxe8+ Rxe8 26. Qc6 Qxc6 27. Bxc6 Re6 28. Rd8+ Kh7 29. Bd5 Re1+ 30. Kh2 Bxd5 31. Rxd5 Rc1 32. a4 c5 33. a5 bxa5 34. Rxc5 Rxc5 35. bxc5 a4 36. c6 a3 37. c7 a2 38. c8Q a1Q 39. Qf5+ Kg8 40. h4 g6 41. Qf4 h5 42. Qe3 Qf6 43. g3 Qf5 44. Kg2 Kg7 45. Qc3+ Qf6 46. Qf3 Qe6 1/2-1/2

[Event "World Amateur-ch"]
[Site "Thessaloniki"]
[Date "2009.04.29"]
[Round "4"]
[White "Konstantinidis, Lazaros"]
[Black "Andrikopoulou, Efstathia"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "1945"]
[BlackElo "1640"]
[PlyCount "68"]
[EventDate "2009.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 Bd6 7. Qe2 dxc4 8. Bxc4 e5 9. 0-0 0-0 10. e4 exd4 11. Nxd4 Re8 12. Bg5 Ne5 13. Rad1 h6 14. Bh4 Qe7 15. h3 Ng6 16. Bg3 Bxg3 17. fxg3 a6 18. Bb3 c5 19. Nd5 Nxd5 20. Bxd5 Ne5 21. Nf5 Qc7 22. Nd6 Qxd6 23. Bxf7+ Nxf7 24. Rxd6 Nxd6 25. Qh5 Bd7 26. Qxc5 Nxe4 27. Qd5+ Be6 28. Qxe4 Bxa2 29. Qxb7 Reb8 30. Qc6 Rc8 31. Qd7 Rd8 32. Qa4 Bf7 33. Qc6 Rac8 34. Qb7 Bd5 1/2-1/2

[Event "World Amateur-ch"]
[Site "Thessaloniki"]
[Date "2009.04.28"]
[Round "3"]
[White "Efthimiou, Georgios"]
[Black "Konstantinidis, Lazaros"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1840"]
[BlackElo "1945"]
[PlyCount "82"]
[EventDate "2009.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 d6 6. Nc3 Nbd7 7. e4 g6 8. Nf3 Bg7 9. Nd2 0-0 10. Nc4 Nxb6 11. f3 Nfd7 12. Be3 Nxc4 13. Bxc4 Qa5 14. Qd2 Rb8 15. Rc1 Ne5 16. Be2 Bd7 17. 0-0 Bb5 18. Nxb5 Qxd2 19. Bxd2 axb5 20. a3 Nc4 21. Bxc4 Bd4+ 22. Kh1 bxc4 23. Rxc4 Rxb2 24. Bc3 Rc2 25. Rxd4 cxd4 26. Bxd4 Rc4 27. Rd1 Ra8 28. Ba1 Rxa3 29. Rb1 f6 30. h3 Rca4 31. Rb8+ Kf7 32. Bb2 Rd3 33. Kh2 Ra2 34. Bc1 Rxf3 35. Bh6 g5 36. h4 Kg6 37. hxg5 fxg5 38. Bf8 Rf7 39. Re8 Rff2 40. Bxe7 Rxg2+ 41. Kh3 Kh5 0-1

[Event "World Amateur-ch"]
[Site "Thessaloniki"]
[Date "2009.04.28"]
[Round "2"]
[White "Konstantinidis, Lazaros"]
[Black "Papadopoulos, Gerasimos"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1945"]
[BlackElo "1780"]
[PlyCount "33"]
[EventDate "2009.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 Bxd2+ 5. Bxd2 b6 6. Bg5 Bb7 7. e3 0-0 8. Bd3 d5 9. cxd5 exd5 10. Ne5 Qd6 11. Bxf6 gxf6 12. Qh5 f5 13. Bxf5 h6 14. Ng4 Kg7 15. h4 Bc8 16. Bxc8 Rxc8 17. Rh3 1-0

[Event "Thessaloniki Triandria op 2nd"]
[Site "Thessaloniki"]
[Date "2009.04.24"]
[Round "4"]
[White "Konstantinidis, Lazaros"]
[Black "Papavlasopoulos, Dimitrios"]
[Result "1-0"]
[ECO "E70"]
[WhiteElo "1945"]
[BlackElo "1424"]
[PlyCount "51"]
[EventDate "2009.04.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 a6 6. Ng3 c6 7. Be2 b5 8. b3 bxc4 9. bxc4 0-0 10. 0-0 Nbd7 11. Rb1 c5 12. d5 Ne8 13. Qc2 Ne5 14. f4 Ng4 15. h3 Ngf6 16. Bd3 Nc7 17. e5 Nd7 18. Nce4 dxe5 19. f5 Ne8 20. Ng5 Nef6 21. fxg6 hxg6 22. Bxg6 Nb6 23. Bh7+ Kh8 24. Bg8 Nxc4 25. Rxf6 e4 26. Qxe4 1-0

[Event "EU-ch U16 18th"]
[Site "Herceg Novi"]
[Date "2008.09.21"]
[Round "6"]
[White "Kowalczyk, Pawel"]
[Black "Konstantinidis, Lazaros"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2138"]
[BlackElo "1921"]
[PlyCount "45"]
[EventDate "2008.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MNE"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 Bg4 4. f3 Bh5 5. Ne2 Bg6 6. Nf4 Nbd7 7. Nxg6 hxg6 8. c3 e5 9. Nd2 Bd6 10. Nf1 e4 11. Be2 exf3 12. gxf3 Nh5 13. Qb3 Nb6 14. Qc2 Qh4+ 15. Kd1 0-0-0 16. Bd3 Qh3 17. Qf2 Ng3 18. Nxg3 Bxg3 19. Qe2 Bxh2 20. Kc2 Nc4 21. Bxc4 dxc4 22. e4 Rh4 23. Bg5 1-0

[Event "EU-ch U16 18th"]
[Site "Herceg Novi"]
[Date "2008.09.16"]
[Round "2"]
[White "Dubessay, Bastien"]
[Black "Konstantinidis, Lazaros"]
[Result "1-0"]
[ECO "D08"]
[WhiteElo "2131"]
[BlackElo "1921"]
[PlyCount "47"]
[EventDate "2008.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MNE"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. a3 Nge7 6. Nbd2 a5 7. Nb3 Nf5 8. e3 dxe3 9. Qxd8+ Kxd8 10. fxe3 a4 11. Nbd4 Bc5 12. Nxc6+ bxc6 13. Kf2 Rb8 14. Bd3 Ke7 15. Bc2 Rd8 16. g4 Nh6 17. h3 Ra8 18. Bd2 Be6 19. Be4 Bxc4 20. Rac1 Bd5 21. Bxd5 Rxd5 22. Rxc5 Rxc5 23. Bb4 Raa5 24. Rc1 1-0

[Event "GRE-ch U16"]
[Site "Kallithea"]
[Date "2008.07.04"]
[Round "9"]
[White "Konstantinidis, Lazaros"]
[Black "Kafetzopoulos, Anastasios"]
[Result "1/2-1/2"]
[ECO "E70"]
[WhiteElo "1867"]
[BlackElo "2037"]
[PlyCount "174"]
[EventDate "2008.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 a6 6. Ng3 c6 7. Be2 b5 8. b3 Nbd7 9. Be3 0-0 10. 0-0 Bb7 11. f4 bxc4 12. bxc4 c5 13. d5 Nh5 14. Nxh5 Bxc3 15. Rb1 Rb8 16. Rb3 Qa5 17. Qd3 Bh8 18. e5 dxe5 19. f5 e4 20. Qc2 Ba8 21. Qxe4 Rxb3 22. axb3 gxh5 23. Bxh5 Nf6 24. Qxe7 Nxh5 25. Qg5+ Bg7 26. Qxh5 Qc3 27. Bxc5 Bd4+ 28. Bxd4 Qxd4+ 29. Kh1 Re8 30. Qh6 Qg7 31. Qxa6 Qc3 32. Qb5 Kf8 33. f6 Qd3 34. Qb4+ Kg8 35. Re1 Rf8 36. Ra1 Re8 37. Re1 Rf8 38. Qb6 Qc3 39. Rg1 Qe5 40. Qf2 Rb8 41. Re1 Qg5 42. h4 Qg4 43. Re4 Qg6 44. Qf3 Kh8 45. Re7 Rg8 46. h5 Qg5 47. Rxf7 Qh4+ 48. Kg1 Qe1+ 49. Qf1 Qe3+ 50. Qf2 Qxb3 51. Re7 Qxc4 52. f7 Qc1+ 53. Re1 Rxg2+ 54. Kxg2 Bxd5+ 55. Kh2 Qc7+ 56. Qg3 Qc2+ 57. Kh3 Qf5+ 58. Qg4 Qxg4+ 59. Kxg4 Bxf7 60. Kg5 Kg7 61. Rh1 Bc4 62. Rc1 Bf7 63. Rc6 Kh8 64. Kh6 Bd5 65. Rc8+ Bg8 66. Rc7 Bb3 67. Rxh7+ Kg8 68. Rb7 Bc2 69. Rb8+ Kf7 70. Kg5 Bd3 71. Kh6 Bc2 72. Rb7+ Kf8 73. Rg7 Bd3 74. Rg6 Be2 75. Rf6+ Kg8 76. Kg5 Bd3 77. Rd6 Bc2 78. Rd7 Kf8 79. h6 Kg8 80. Kf6 Bb1 81. h7+ Kh8 82. Rd8+ Kxh7 83. Rd1 Bc2 84. Rd2 Bb1 85. Kf7 Kh8 86. Rd8+ Kh7 87. Rd1 Ba2+ 1/2-1/2

[Event "GRE-ch U16"]
[Site "Kallithea"]
[Date "2008.07.03"]
[Round "8"]
[White "Kefalas, Spyridon"]
[Black "Konstantinidis, Lazaros"]
[Result "1/2-1/2"]
[ECO "A17"]
[WhiteElo "1965"]
[BlackElo "1867"]
[PlyCount "89"]
[EventDate "2008.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. Bg2 c6 5. cxd5 exd5 6. d4 Bd6 7. Nf3 Bf5 8. Qb3 Qc7 9. 0-0 Nbd7 10. Re1 0-0-0 11. Bg5 h6 12. Nxd5 Nxd5 13. Bxd8 Qxd8 14. e4 Be6 15. exd5 Bxd5 16. Qa4 Kb8 17. Ne5 Bxg2 18. Kxg2 Nb6 19. Qb3 Bxe5 20. dxe5 Qe7 21. Rad1 Nd5 22. Qf3 h5 23. Rd4 h4 24. Rxh4 Rxh4 25. gxh4 Qxh4 26. Re4 Qe7 27. Qg3 g5 28. h4 gxh4 29. Qxh4 Qe8 30. f4 Qg8+ 31. Kf3 a6 32. f5 Qg1 33. Re1 Qc5 34. e6 fxe6 35. fxe6 Ne7 36. Qf4+ Kc8 37. Rd1 Nd5 38. Qg5 Qf8+ 39. Ke4 Qb4+ 40. Kf5 Qf8+ 41. Ke5 Kc7 42. Ke4 Qb4+ 43. Kf3 Qf8+ 44. Ke4 Qb4+ 45. Kf3 1/2-1/2

[Event "GRE-ch U16"]
[Site "Kallithea"]
[Date "2008.07.02"]
[Round "7"]
[White "Konstantinidis, Lazaros"]
[Black "Papadimitriou, Athanasios"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1867"]
[BlackElo "2059"]
[PlyCount "76"]
[EventDate "2008.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 c6 2. e4 d5 3. exd5 cxd5 4. Bd3 g6 5. Nf3 Bg7 6. c3 Bg4 7. Nbd2 Nf6 8. h3 Bxf3 9. Nxf3 0-0 10. 0-0 Nc6 11. Bf4 a6 12. a4 Qb6 13. Qd2 Na5 14. Rae1 e6 15. Ne5 Nc6 16. Bh6 Qb3 17. Ng4 Nxg4 18. hxg4 e5 19. dxe5 Qxa4 20. Bxg7 Kxg7 21. f4 Rae8 22. Re3 Kg8 23. Rh3 f6 24. Qf2 Re7 25. Qh4 fxe5 26. Bxg6 Rxf4 27. Bxh7+ Kf8 28. Rxf4+ exf4 29. Bg6 Re6 30. Qh7 Ne5 31. Bf5 Qd1+ 32. Kh2 Nxg4+ 33. Bxg4 Qxg4 34. Qxb7 Re7 35. Qxd5 Qe6 36. Qd8+ Kg7 37. Qh8+ Kf7 38. Rh7+ Kg6 1-0

[Event "GRE-ch U16"]
[Site "Kallithea"]
[Date "2008.07.01"]
[Round "6"]
[White "Filippas, Georgios"]
[Black "Konstantinidis, Lazaros"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1755"]
[BlackElo "1867"]
[PlyCount "71"]
[EventDate "2008.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 g6 6. Nc3 Bg7 7. e4 d6 8. Nf3 Nbd7 9. b7 Bxb7 10. Be2 0-0 11. 0-0 Nb6 12. a4 a5 13. Qc2 h6 14. Rb1 e6 15. dxe6 fxe6 16. e5 Nfd5 17. Qxg6 Qe8 18. Qg3 Ne7 19. Bd3 Qh5 20. exd6 Nf5 21. Bxf5 Rxf5 22. Nh4 Kh7 23. Nxf5 exf5 24. Re1 Nd5 25. Nxd5 Bxd5 26. Qd3 Bc6 27. d7 Rd8 28. Re7 Kh8 29. Be3 Qg4 30. f3 Bxf3 31. Re8+ Kh7 32. Qf1 Be2 33. Qf2 Rxd7 34. Bxc5 Bc4 35. Rbe1 Bf6 36. Kh1 1/2-1/2

[Event "GRE-ch U16"]
[Site "Kallithea"]
[Date "2008.07.01"]
[Round "5"]
[White "Konstantinidis, Lazaros"]
[Black "Galopoulos, Nikolaos"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "1867"]
[BlackElo "2243"]
[PlyCount "56"]
[EventDate "2008.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 0-0 5. g3 b6 6. Bg2 Bb7 7. 0-0 d6 8. a3 Bxd2 9. Bxd2 Nbd7 10. Bc3 Ne4 11. Nd2 Nxc3 12. bxc3 Bxg2 13. Kxg2 e5 14. e3 Qe7 15. a4 a5 16. f4 exd4 17. exd4 Nf6 18. Qf3 Rae8 19. Rfe1 Qxe1 20. Rxe1 Rxe1 21. c5 dxc5 22. dxc5 Rfe8 23. Nc4 R1e2+ 24. Kh3 g5 25. fxg5 Ne4 26. Kg4 Rxh2 27. cxb6 cxb6 28. Nxb6 Nd2 0-1

[Event "GRE-ch U16"]
[Site "Kallithea"]
[Date "2008.06.30"]
[Round "4"]
[White "Georgantas, Antonios"]
[Black "Konstantinidis, Lazaros"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "1867"]
[PlyCount "28"]
[EventDate "2008.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. c4 e6 6. dxe6 Nc6 7. d5 Nb4 8. Na3 Bc5 9. Qa4+ c6 10. Bg5 Qb6 11. 0-0-0 Nxa2+ 12. Kd2 Qxb2+ 13. Nc2 Nc3 14. Qa1 Qxc2+ 0-1

[Event "GRE-ch U16"]
[Site "Kallithea"]
[Date "2008.06.29"]
[Round "2"]
[White "Dounis, Alexandros"]
[Black "Konstantinidis, Lazaros"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2200"]
[BlackElo "1867"]
[PlyCount "59"]
[EventDate "2008.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. 0-0 Nbd7 5. d3 e5 6. Nbd2 Bc5 7. Qe1 h6 8. e4 dxe4 9. Nh4 e3 10. fxe3 Be6 11. Bxb7 Nd5 12. Ne4 0-0 13. Nxc5 Nxc5 14. Bxa8 Qxa8 15. e4 Ne7 16. Qb4 Bh3 17. Qxc5 Bxf1 18. Be3 Bh3 19. Qxe7 f5 20. Qe6+ Kh7 21. Qg6+ Kg8 22. Bxh6 Rf7 23. Nxf5 Bxf5 24. exf5 Qb7 25. Rf1 Qxb2 26. f6 Qb6+ 27. Rf2 Qb1+ 28. Kg2 Qb7+ 29. Kh3 Qc8+ 30. g4 1-0

[Event "GRE-ch U16"]
[Site "Chalkidiki"]
[Date "2007.06.28"]
[Round "5"]
[White "Filippas, Sebastian"]
[Black "Konstantinidis, Lazaros"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2118"]
[BlackElo "1953"]
[PlyCount "41"]
[EventDate "2007.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d3 Nf6 5. g3 Bc5 6. Bg2 d6 7. 0-0 0-0 8. a3 a5 9. Rb1 Qe8 10. e3 Qf7 11. Qc2 h6 12. Rd1 e4 13. Nd2 exd3 14. Qxd3 Ne5 15. Qe2 c6 16. b4 axb4 17. axb4 Bb6 18. f4 Neg4 19. c5 dxc5 20. Nc4 Ba7 21. b5 1-0

[Event "GRE-ch U16"]
[Site "Chalkidiki"]
[Date "2007.06.27"]
[Round "4"]
[White "Konstantinidis, Lazaros"]
[Black "Sismanis, Aggelos"]
[Result "0-1"]
[ECO "A65"]
[WhiteElo "1953"]
[BlackElo "2184"]
[PlyCount "66"]
[EventDate "2007.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 0-0 6. Ng3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Nbd7 10. 0-0 Re8 11. h3 a6 12. a4 Rb8 13. Be3 Qc7 14. f4 Nxe4 15. Ncxe4 f5 16. Nxd6 Qxd6 17. Bc1 Nb6 18. a5 Nxd5 19. Bc4 Be6 20. Re1 Bf7 21. Rxe8+ Rxe8 22. Ra3 Qe7 23. Bxd5 Bd4+ 24. Kh2 Bxd5 25. Rd3 Bc6 26. Rxd4 cxd4 27. Qxd4 Qd7 28. Be3 Qxd4 29. Bxd4 Kf7 30. Be5 Rxe5 31. fxe5 Ke6 32. h4 Kxe5 33. Ne2 h6 0-1

[Event "GRE-ch U16"]
[Site "Chalkidiki"]
[Date "2007.06.26"]
[Round "3"]
[White "Spirou, Panagiotis"]
[Black "Konstantinidis, Lazaros"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2090"]
[BlackElo "1953"]
[PlyCount "50"]
[EventDate "2007.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. c4 e6 6. dxe6 Nc6 7. Be3 Nb4 8. Na3 Qe7 9. Qb3 Qxe6 10. Kf2 0-0-0 11. d5 Qe5 12. Nb5 a6 13. Na7+ Kb8 14. a3 Bc2 15. Qc3 Qxc3 16. bxc3 Nd3+ 17. Bxd3 Bxd3 18. Ne2 Re8 19. Rhd1 Bxc4 20. Rab1 Ka8 21. Rd4 Bxe2 22. Ra4 Nxd5 23. Bd4 Nb6 24. Bxb6 cxb6 25. Nc8 Bc5+ 0-1

[Event "GRE-ch U14"]
[Site "Ermioni"]
[Date "2006.??.??"]
[Round "6.5"]
[White "Filippas, Sebastian"]
[Black "Konstantinidis, Lazaros"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2113"]
[PlyCount "91"]
[EventDate "2006.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Be7 8. Re1 Nf6 9. c3 0-0 10. Nbd2 Re8 11. Nf1 Bg4 12. Ng3 Qd7 13. h3 Be6 14. Ng5 Bd6 15. Nxe6 Rxe6 16. Rxe6 fxe6 17. Nh5 Qf7 18. Nxf6+ gxf6 19. Be3 f5 20. f4 Ne7 21. Qf3 Kf8 22. Kf2 Ke8 23. Ke2 Kd7 24. Kd2 h5 25. g3 Ng8 26. Rg1 Nf6 27. Kc1 Rg8 28. Kb1 Kc8 29. c4 c6 30. a4 Bb4 31. Qe2 dxc4 32. Bxc4 Nd5 33. Bc1 Bd6 34. Rg2 Kd7 35. Bb3 h4 36. Bxd5 exd5 37. gxh4 Rh8 38. Qe1 Be7 39. Qe5 Re8 40. Rg7 Qh5 41. Kc2 Qxh4 42. Bd2 Qh6 43. Bb4 Qe6 44. Kd3 Qxe5 45. dxe5 b6 46. Bxe7 1-0

[Event "GRE-ch U14"]
[Site "Ermioni"]
[Date "2006.??.??"]
[Round "8.6"]
[White "Kaforos, Dimitrios Alkis"]
[Black "Konstantinidis, Lazaros"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1837"]
[PlyCount "135"]
[EventDate "2006.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Be7 8. c4 Nb4 9. cxd5 Nxd3 10. Qxd3 Qxd5 11. Re1 Bf5 12. Nc3 Nxc3 13. Qxc3 Qd6 14. Re5 Bg4 15. Bf4 Bxf3 16. Qxf3 0-0 17. d5 Qf6 18. Re2 Bd6 19. Bxd6 Qxd6 20. Rae1 Rad8 21. Re7 Qxd5 22. Qxd5 Rxd5 23. Rxc7 Rb5 24. b3 a5 25. h3 g6 26. Ree7 b6 27. Rc6 a4 28. bxa4 Rb4 29. Ra7 Rb2 30. a5 bxa5 31. Rxa5 Re8 32. Rf6 Kg7 33. Rf3 Re7 34. a4 Ra2 35. Ra8 f5 36. Rf4 Kf6 37. g3 Re1+ 38. Kg2 Re4 39. Rxe4 fxe4 40. Kf1 Kf5 41. a5 e3 42. f3 Kf6 43. a6 Kg7 44. a7 Kh6 45. f4 Kg7 46. g4 h5 47. gxh5 gxh5 48. f5 Kh7 49. f6 h4 50. f7 Rf2+ 51. Ke1 Rxf7 52. Rh8+ Kxh8 53. a8Q+ Kg7 54. Qe4 Rf6 55. Qxh4 Rg6 56. Qd4+ Kh6 57. Qxe3+ Kh5 58. Qf3+ Kh6 59. h4 Re6+ 60. Kf2 Rg6 61. Ke3 Re6+ 62. Kd4 Rg6 63. Ke5 Ra6 64. Qe3+ Kg7 65. h5 Ra5+ 66. Ke6 Rxh5 67. Qg3+ Kh8 68. Kf6 1-0

[Event "World School-ch U14"]
[Site "Chalkidiki"]
[Date "2005.04.24"]
[Round "4"]
[White "Konstantinidis, Lazaros"]
[Black "Stefanidis, Ioannis"]
[Result "0-1"]
[ECO "D37"]
[BlackElo "1974"]
[PlyCount "50"]
[EventDate "2005.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. e3 0-0 6. Bd3 a6 7. a4 c5 8. cxd5 exd5 9. dxc5 Bxc5 10. Qc2 Nc6 11. Ne2 Nb4 12. Qc3 Nxd3+ 13. Qxd3 h6 14. 0-0 Be6 15. h3 Qd7 16. Nfd4 Bxd4 17. Nxd4 Ne4 18. Bd2 Rfe8 19. Bc3 a5 20. Qb5 Bxh3 21. gxh3 Qxh3 22. Qxd5 Ra6 23. Nf5 Rg6+ 24. Ng3 Nxg3 25. fxg3 Qxg3+ 0-1

[Event "World School-ch U14"]
[Site "Chalkidiki"]
[Date "2005.04.22"]
[Round "1"]
[White "Goumas, Georgios"]
[Black "Konstantinidis, Lazaros"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2090"]
[PlyCount "113"]
[EventDate "2005.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. c4 dxc4 7. Bxc4 Nd6 8. Bd3 Be7 9. 0-0 0-0 10. Bf4 Bg4 11. h3 Bh5 12. Nbd2 Nd7 13. Qc2 Bg6 14. Rac1 Bxd3 15. Qxd3 Nb6 16. Rc5 c6 17. Re1 Nd5 18. Bg3 Re8 19. Ne5 Nb5 20. Rcc1 Bf6 21. Ne4 Qb6 22. Rc5 Rad8 23. a4 Nb4 24. Qc4 Bxe5 25. Bxe5 Na6 26. axb5 Nxc5 27. dxc5 Qxb5 28. Qc3 Rd3 29. Qc1 h6 30. Nd6 Rxd6 31. Bxd6 Rxe1+ 32. Qxe1 Qxb2 33. Qe8+ Kh7 34. Qxf7 a5 35. Qf5+ Kg8 36. Qe6+ Kh7 37. f4 Qb1+ 38. Kh2 Qg6 39. Qxg6+ Kxg6 40. g4 h5 41. Kg3 hxg4 42. hxg4 a4 43. Be5 Kf7 44. f5 a3 45. Kf4 g6 46. f6 Ke6 47. g5 Kf7 48. Bc3 Ke6 49. Ke4 a2 50. Ba1 Kd7 51. Ke5 Kd8 52. Ke6 Ke8 53. f7+ Kf8 54. Kf6 b5 55. Be5 a1Q 56. Bxa1 b4 57. Be5 1-0

[Event "GRE-ch U12"]
[Site "Aghia Pelagia"]
[Date "2004.06.27"]
[Round "2"]
[White "Konstantinidis, Lazaros"]
[Black "Homatidis, Panagiotis"]
[Result "1/2-1/2"]
[ECO "A60"]
[PlyCount "95"]
[EventDate "2004.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. Nxd5 Nxd5 6. cxd5 d6 7. e4 Be7 8. Bb5+ Bd7 9. Bxd7+ Nxd7 10. Nf3 0-0 11. 0-0 b5 12. Bf4 Nb6 13. b3 Bf6 14. Rc1 Re8 15. Re1 Rc8 16. Re3 c4 17. Nd4 Bxd4 18. Qxd4 f6 19. h4 Qe7 20. f3 cxb3 21. Rxc8 Rxc8 22. axb3 h6 23. Rc3 f5 24. Rxc8+ Nxc8 25. g3 Qc7 26. Qb4 fxe4 27. fxe4 a6 28. Qd2 a5 29. Qc1 Qxc1+ 30. Bxc1 Kf7 31. Kf2 Nb6 32. Bb2 a4 33. bxa4 Nxa4 34. Ba3 Nc3 35. Ke3 b4 36. Bxb4 Nb5 37. Kf4 g6 38. g4 Kf6 39. g5+ hxg5+ 40. hxg5+ Kf7 41. e5 Nc7 42. e6+ Ke7 43. Ke4 Ne8 44. Bc3 Nc7 45. Bf6+ Ke8 46. Bd4 Ke7 47. Bc3 Ne8 48. Bb2 1/2-1/2

[Event "GRE-ch U12"]
[Site "Aghia Pelagia"]
[Date "2004.06.27"]
[Round "3"]
[White "Mavrikakis, Georgios"]
[Black "Konstantinidis, Lazaros"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "61"]
[EventDate "2004.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 h6 5. Nc3 Nf6 6. Be3 Nd4 7. Nxe5 0-0 8. Nf3 Nxf3+ 9. Qxf3 Bb4 10. Bd4 d6 11. 0-0 Be6 12. Bxf6 Qxf6 13. Qxf6 gxf6 14. Nd5 Bxd5 15. Bxd5 c6 16. Bb3 Rfe8 17. c3 Ba5 18. Rfe1 Re7 19. Kf1 Rae8 20. f3 Bc7 21. g3 Kg7 22. Re2 Kg6 23. Rae1 Kg5 24. d4 b5 25. a4 a6 26. axb5 axb5 27. c4 bxc4 28. Ba4 Rb8 29. Bxc6 Ba5 30. Rc1 Rb4 31. Bd5 1-0

[Event "GRE-ch U12"]
[Site "Chania"]
[Date "2003.04.23"]
[Round "6"]
[White "Konstantinidis, Lazaros"]
[Black "Horozoglou, I."]
[Result "0-1"]
[ECO "D53"]
[BlackElo "1180"]
[PlyCount "86"]
[EventDate "2003.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. Bg5 Be7 6. e3 b6 7. cxd5 exd5 8. Bb5 a6 9. Ba4 0-0 10. 0-0 Rb8 11. Bb3 Bb7 12. Rc1 b5 13. a3 Nb6 14. Ne5 Nc4 15. Bxc4 dxc4 16. Re1 Rc8 17. e4 Nxe4 18. Bxe7 Nxc3 19. Bxd8 Nxd1 20. Rcxd1 Rcxd8 21. Nf3 Bxf3 22. gxf3 g6 23. Re7 c5 24. d5 Rfe8 25. Rc7 Rd6 26. Rxc5 Red8 27. Kg2 Kf8 28. Kg3 Ke7 29. h4 f6 30. Kf4 h5 31. Re1+ Kf7 32. Rd1 R8d7 33. Rd2 Ke8 34. Rc8+ Rd8 35. Rc5 Kd7 36. Re2 Re8 37. Rxe8 Kxe8 38. Rc8+ Ke7 39. Rc7+ Rd7 40. Rxd7+ Kxd7 41. Ke4 Kd6 42. f4 f5+ 43. Kd4 a5 0-1

[Event "GRE-ch U12"]
[Site "Chania"]
[Date "2003.04.22"]
[Round "5"]
[White "Konstantinidis, Lazaros"]
[Black "Kalogerakis, Mihail"]
[Result "1-0"]
[ECO "D07"]
[BlackElo "1195"]
[PlyCount "117"]
[EventDate "2003.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nc6 5. Bf4 Bd6 6. Ne5 Bxe5 7. dxe5 Nh5 8. e3 Nxf4 9. exf4 0-0 10. cxd5 exd5 11. Qxd5 Qxd5 12. Nxd5 Bf5 13. Nxc7 Rac8 14. Nd5 Nd4 15. Rd1 Nc2+ 16. Ke2 Kh8 17. Ne7 Rc4 18. Nxf5 Re4+ 19. Kf3 Rb4 20. b3 g6 21. Ne3 Nd4+ 22. Kg3 Rg8 23. Kh3 h5 24. Nd5 Nxb3 25. Nxb4 Nc5 26. g3 Ne4 27. Kg2 g5 28. Rd4 f5 29. exf6 Nxf6 30. fxg5 Rxg5 31. h4 Rg6 32. Rd6 Kg7 33. Rxf6 Kxf6 34. Nd5+ Ke5 35. Nf4 Rf6 36. Nxh5 Rf5 37. Be2 b5 38. Re1 Kd4 39. Rd1+ Kc3 40. Rd3+ Kb2 41. Rb3+ Kxa2 42. Rxb5 Rxb5 43. Bxb5 a5 44. g4 Kb3 45. g5 Kb4 46. Be8 a4 47. Bxa4 Kxa4 48. g6 Kb5 49. g7 Kc5 50. g8Q Kd4 51. Qe6 Kd3 52. Qe5 Kc2 53. Qd4 Kb1 54. Qd2 Ka1 55. Kf3 Kb1 56. Ke3 Ka1 57. Kd3 Kb1 58. Kc3 Ka1 59. Qb2# 1-0

[Event "GRE-ch U12"]
[Site "Chania"]
[Date "2003.04.22"]
[Round "4"]
[White "Themelis, Fillipos"]
[Black "Konstantinidis, Lazaros"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1170"]
[PlyCount "45"]
[EventDate "2003.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bc5 5. d3 h6 6. Be3 Bxe3 7. fxe3 d6 8. 0-0 Ng4 9. Qe1 Qe7 10. d4 Nb4 11. Bb3 0-0 12. a3 Nc6 13. h3 Nf6 14. Qg3 exd4 15. exd4 Nxe4 16. Nxe4 Qxe4 17. Rae1 Qg6 18. Qxg6 Na5 19. Qg3 Nxb3 20. cxb3 f5 21. Nh4 g5 22. Nf3 f4 23. Qf2 1-0

[Event "GRE-ch U12"]
[Site "Chania"]
[Date "2003.04.21"]
[Round "3"]
[White "Balomenakis, Dimitrios"]
[Black "Konstantinidis, Lazaros"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "1240"]
[PlyCount "89"]
[EventDate "2003.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d3 Bg4 5. Be3 a6 6. Bxc6+ bxc6 7. Nbd2 d5 8. Qc1 d4 9. Bg5 f6 10. Bh4 Bb4 11. 0-0 c5 12. Ne1 Be2 13. g3 Bxf1 14. Nxf1 Bxe1 15. Qxe1 Ne7 16. f4 exf4 17. gxf4 Ng6 18. Bg3 0-0 19. Qa5 Qe7 20. Nd2 f5 21. e5 Nh4 22. Rf1 Ng6 23. Kh1 Nh8 24. Nf3 Ng6 25. Qa3 Rf7 26. Ng5 Rff8 27. h4 h6 28. Nf3 Nh8 29. Qb3+ Nf7 30. h5 Rae8 31. Nh4 Qe6 32. Qa3 Qd5+ 33. Kh2 Re6 34. b3 Nd8 35. Ng6 Rf7 36. Bh4 Kh7 37. Bxd8 Qxd8 38. Qxc5 c6 39. Rg1 Kg8 40. Qc4 Qc8 41. Nh4 Rfe7 42. Qxd4 Rd7 43. Qc4 Rd5 44. Nxf5 Rg6 45. Ne7+ 1-0

[Event "GRE-ch U12"]
[Site "Chania"]
[Date "2003.04.20"]
[Round "2"]
[White "Konstantinidis, Lazaros"]
[Black "Sekadakis, Dimitrios"]
[Result "0-1"]
[ECO "D60"]
[BlackElo "1490"]
[PlyCount "88"]
[EventDate "2003.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 0-0 8. 0-0 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. e4 Nxc3 12. bxc3 Nf6 13. Qd3 b6 14. Rfe1 Qc7 15. Ng5 h6 16. Nf3 Bb7 17. Bb3 Rad8 18. Bc2 g6 19. Nh4 Kh8 20. e5 Ne8 21. Qh3 Kh7 22. Qf3 Qe7 23. Qg3 Qg5 24. Qxg5 hxg5 25. Nf3 Kh6 26. Rab1 Nc7 27. Bb3 Nd5 28. Bxd5 Rxd5 29. c4 Rd7 30. Red1 Rfd8 31. g4 c5 32. Ne1 Rxd4 33. Rdc1 Rxg4+ 34. Kf1 Ba6 35. f3 Rxc4 36. Rxc4 Bxc4+ 37. Kf2 Rd2+ 38. Kg3 Re2 39. f4 gxf4+ 40. Kxf4 Rxh2 41. Nf3 Rf2 42. Rh1+ Kg7 43. Kg3 Rxf3+ 44. Kxf3 Bd5+ 0-1

[Event "GRE-ch U12"]
[Site "Chania"]
[Date "2003.04.20"]
[Round "1"]
[White "Xanthopoulos, Alexandros"]
[Black "Konstantinidis, Lazaros"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1405"]
[PlyCount "46"]
[EventDate "2003.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Nc6 3. e3 e5 4. Bb5 d4 5. h3 Bd6 6. exd4 exd4 7. Bxd4 Nge7 8. Nf3 0-0 9. Bb2 Re8 10. 0-0 a6 11. Bc4 b5 12. Bd3 Nb4 13. Be4 Nec6 14. Bxc6 Nxc6 15. a3 Ne5 16. Nxe5 Bxe5 17. Bxe5 Rxe5 18. Re1 Rg5 19. Kh2 Bb7 20. Rg1 Qf6 21. Nc3 Qxf2 22. Qe1 Rxg2+ 23. Kh1 Rxg1# 0-1

