[Event "GRE CupT 43rd"]
[Site "Loutraki"]
[Date "2025.07.06"]
[Round "2.2"]
[White "Galopoulos, Nikolaos"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "E00"]
[WhiteElo "2425"]
[BlackElo "2455"]
[PlyCount "64"]
[EventDate "2025.07.05"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "GRE"]
[SourceTitle "CB28_2025"]
[SourceDate "2025.07.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.09"]
[SourceQuality "1"]
[WhiteTeam "Kavalas"]
[BlackTeam "Piraikos OS"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 e6 3. Bg5 h6 4. Bh4 c5 5. d5 exd5 6. cxd5 d6 7. e4 Be7 8. Nc3 0-0 9. Bg3 Nxe4 10. Nxe4 f5 11. Bd3 fxe4 12. Bxe4 Bf5 13. Bxf5 Rxf5 14. Ne2 Na6 15. 0-0 Nc7 16. Nc3 Qd7 17. Qd3 Bf6 18. Rad1 Rf8 19. Ne4 Be5 20. Rfe1 Bxg3 21. Qxg3 Nb5 22. f3 Re5 23. Qg6 Nd4 24. Qxd6 Qxd6 25. Nxd6 Rxd5 26. Nxb7 Rb8 27. Nxc5 Rxb2 28. Na4 Rxa2 29. Nc3 Ne2+ 30. Nxe2 Rxe2 31. Rxd5 Rxe1+ 32. Kf2 Re6 1/2-1/2

[Event "GRE CupT 43rd"]
[Site "Loutraki"]
[Date "2025.07.05"]
[Round "1.2"]
[White "Nikolaidis, Ioannis"]
[Black "Kalogeris, Ioannis"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2455"]
[BlackElo "2429"]
[PlyCount "51"]
[EventDate "2025.07.05"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "GRE"]
[SourceTitle "CB28_2025"]
[SourceDate "2025.07.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.09"]
[SourceQuality "1"]
[WhiteTeam "Piraikos OS"]
[BlackTeam "Panathenaikos"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 0-0 8. Nc3 Ne4 9. Qc2 Nxc3 10. Ng5 Ne4 11. Bxe4 Bxe4 12. Qxe4 Qxg5 13. Qxa8 Nc6 14. Qb7 Nxd4 15. Rd1 c5 16. 0-0 Qg4 17. f3 Nxe2+ 18. Kg2 Qxc4 19. Rxd7 Nd4 20. b3 Qc3 21. Qe4 a5 22. Rf2 Nf5 23. Re2 Nd4 24. Rf2 Nf5 25. Re2 Nd4 26. Rf2 1/2-1/2

[Event "GRE-chT 52nd"]
[Site "Loutraki"]
[Date "2025.07.04"]
[Round "7.52"]
[White "Krallis, Christos"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2406"]
[BlackElo "2455"]
[PlyCount "28"]
[EventDate "2025.06.28"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CB28_2025"]
[SourceDate "2025.07.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.09"]
[SourceQuality "1"]
[WhiteTeam "Trikalon Skaki"]
[BlackTeam "Piraikos OS"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Bb7 10. d4 Re8 11. Ng5 Rf8 12. Nf3 Re8 13. Ng5 Rf8 14. Nf3 Re8 1/2-1/2

[Event "GRE-chT 52nd"]
[Site "Loutraki"]
[Date "2025.07.03"]
[Round "6.72"]
[White "Nikolaidis, Ioannis"]
[Black "Tzagarakis, Panagiotis"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2455"]
[BlackElo "2157"]
[PlyCount "141"]
[EventDate "2025.06.28"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CB28_2025"]
[SourceDate "2025.07.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.09"]
[SourceQuality "1"]
[WhiteTeam "Piraikos OS"]
[BlackTeam "Neapolis Sekeon"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. a3 Bxd2+ 6. Qxd2 d6 7. Nc3 Nbd7 8. 0-0-0 0-0 9. e4 b5 10. cxb5 Bb7 11. Qf4 Nb6 12. Bd3 Qe7 13. Qh4 e5 14. d5 a4 15. g4 Bc8 16. h3 Nbd7 17. Rhe1 Nc5 18. Bc4 Bd7 19. Qg3 Rab8 20. Nh4 Rfe8 21. Nf5 Bxf5 22. exf5 e4 23. g5 Nh5 24. Qg4 g6 25. f4 Qd7 26. fxg6 hxg6 27. Qxd7 Nxd7 28. Rxe4 Rxe4 29. Nxe4 Re8 30. Rd4 Kf8 31. Nf2 Re3 32. Kd2 Rf3 33. Nd3 Ng7 34. b3 Nf5 35. Re4 axb3 36. a4 Nc5 37. Nxc5 dxc5 38. Re1 Nd6 39. Be2 Ne4+ 40. Kc1 Rf2 41. Kb2 Ng3 42. Kxb3 Nxe2 43. Kc4 Rxf4+ 44. Kxc5 Nc3 45. a5 Na4+ 46. Kc6 Rc4+ 47. Kb7 Rc5 48. b6 cxb6 49. a6 Rxd5 50. a7 Rd7+ 51. Kb8 Nc5 52. a8Q Rd8+ 53. Ka7 Rxa8+ 54. Kxa8 f6 55. h4 b5 56. Ka7 b4 57. Kb6 Nd3 58. Rf1 b3 59. Rxf6+ Ke7 60. Kc7 Nb4 61. Rf2 Ke6 62. Rb2 Nd5+ 63. Kc6 Ne7+ 64. Kc5 Nf5 65. Re2+ Kf7 66. Kc4 Nxh4 67. Kxb3 Nf5 68. Kc4 Ng3 69. Re5 Nf5 70. Kd5 Ne7+ 71. Rxe7+ 1-0

[Event "GRE-chT 52nd"]
[Site "Loutraki"]
[Date "2025.07.02"]
[Round "5.52"]
[White "Kouskoutis, Georgios Alexandros"]
[Black "Nikolaidis, Ioannis"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2305"]
[BlackElo "2455"]
[PlyCount "80"]
[EventDate "2025.06.28"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CB28_2025"]
[SourceDate "2025.07.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.09"]
[SourceQuality "1"]
[WhiteTeam "Αmo Galaxias"]
[BlackTeam "Piraikos OS"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 b6 5. Bb2 Bb7 6. Nc3 Nbd7 7. Rc1 a6 8. d4 Bd6 9. Be2 0-0 10. 0-0 Qe7 11. a4 c5 12. a5 bxa5 13. cxd5 Nxd5 14. Nxd5 Bxd5 15. Bc4 Bxf3 16. Qxf3 cxd4 17. Bxd4 Be5 18. Qe4 Bxd4 19. Qxd4 Rfd8 20. Ra1 Nc5 21. Qc3 Nb7 22. Rfc1 Rdc8 23. Qe1 g6 24. g3 Qb4 25. Ra4 Qb6 26. Rb1 Rc5 27. b4 Rxc4 28. bxa5 Qb4 29. Rb2 Qxb2 30. Qc1 Qb1 31. Qxb1 Rxa4 32. Qxb7 Rd8 33. Qxa6 h5 34. h4 Ra2 35. Qa7 Rd5 36. a6 Rda5 37. Qb8+ Kg7 38. Kg2 Rf5 39. Qb7 Rfxf2+ 40. Kg1 Rfb2 0-1

[Event "GRE-chT 52nd"]
[Site "Loutraki"]
[Date "2025.06.30"]
[Round "3.41"]
[White "Nikolaidis, Ioannis"]
[Black "Papaioannou, Ioannis"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "2455"]
[BlackElo "2626"]
[PlyCount "25"]
[EventDate "2025.06.28"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CB28_2025"]
[SourceDate "2025.07.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.09"]
[SourceQuality "1"]
[WhiteTeam "Piraikos OS"]
[BlackTeam "Ippotis Rodi"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Nb6 6. Bb3 Nc6 7. Nf3 Bg4 8. Ng5 Bxd1 9. Bxf7+ Kd7 10. Be6+ Ke8 11. Bf7+ Kd7 12. Be6+ Ke8 13. Bf7+ 1/2-1/2

[Event "GRE-chT 52nd"]
[Site "Loutraki"]
[Date "2025.06.29"]
[Round "2.71"]
[White "Koutoukidis, Panagiotis"]
[Black "Nikolaidis, Ioannis"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2366"]
[BlackElo "2455"]
[PlyCount "138"]
[EventDate "2025.06.28"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CB28_2025"]
[SourceDate "2025.07.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.09"]
[SourceQuality "1"]
[WhiteTeam "Kerkeras"]
[BlackTeam "Piraikos OS"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Be3 Bd6 7. Bd3 Na6 8. a3 Nc7 9. c4 0-0 10. Qc2 f5 11. Bxf5 Bxf5 12. Qxf5 b5 13. cxb5 Nd5 14. Qd3 Re8 15. Kf1 Rb8 16. Rd1 Rxb5 17. Bc1 Bf4 18. Bxf4 Nxf4 19. Qd2 Qg5 20. g3 Qd5 21. f3 Qc4+ 22. Kf2 Nd3+ 23. Qxd3 Rxb2+ 24. Kf1 Qa2 25. Nh3 Ree2 26. Nf4 Red2 27. Rxd2 Rxd2 28. Qe2 Rxe2 29. Nxe2 Qxa3 30. Kf2 g6 31. Rc1 Qa4 32. Ke3 a5 33. Rc5 Qb3+ 34. Rc3 Qb2 35. Rxc6 a4 36. Rc8+ Kg7 37. Kd3 Qb7 38. Rc2 Qxf3+ 39. Kd2 Qd5 40. Kd3 Qf5+ 41. Kd2 Qh5 42. Ra2 Qxh2 43. Rxa4 Qh6+ 44. Kd3 Qg5 45. Rc4 Qb5 46. Nc3 Qf5+ 47. Ke3 Qe6+ 48. Kd3 h5 49. Ne2 Qh3 50. Kd2 Qg2 51. Rc5 Qe4 52. Re5 Qb7 53. Ke1 f6 54. Re3 g5 55. Kf2 Qh1 56. Rd3 Qd5 57. Re3 Kg6 58. Rf3 f5 59. Ra3 f4 60. gxf4 g4 61. Re3 Qh1 62. Re6+ Kf7 63. Re3 h4 64. Ng1 h3 65. Ne2 Qg2+ 66. Ke1 h2 67. Ng3 Qxg3+ 68. Rxg3 h1Q+ 69. Kf2 Qh2+ 0-1

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2025.04.18"]
[Round "9"]
[White "Kapnisis, Spyridon"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2373"]
[BlackElo "2478"]
[PlyCount "19"]
[EventDate "2025.04.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 a6 7. Be2 c5 8. c3 c4 9. Nbd2 f6 10. Nh4 1/2-1/2

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2025.04.18"]
[Round "9"]
[White "Kapnisis, Spyridon"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2373"]
[BlackElo "2478"]
[PlyCount "19"]
[EventDate "2025.04.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 a6 7. Be2 c5 8. c3 c4 9. Nbd2 f6 10. Nh4 1/2-1/2

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2025.04.17"]
[Round "8"]
[White "Nikolaidis, Ioannis"]
[Black "Kotronias, Vasilios"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2478"]
[BlackElo "2434"]
[PlyCount "49"]
[EventDate "2025.04.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c5 3. c4 e6 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. 0-0 Be7 8. Nc3 0-0 9. b3 Ne4 10. Bb2 Bf6 11. Na4 b6 12. Rc1 Re8 13. dxc5 Bxb2 14. Nxb2 bxc5 15. Nd2 Ba6 16. Nxe4 dxe4 17. Rxc5 Qf6 18. Nc4 Rad8 19. Rd5 Qe6 20. Rxd8 Rxd8 21. Qb1 Nd4 22. Qxe4 Nxe2+ 23. Kh1 Qxe4 24. Bxe4 Nc3 25. Bf3 1/2-1/2

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2025.04.17"]
[Round "8"]
[White "Nikolaidis, Ioannis"]
[Black "Kotronias, Vasilios"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2478"]
[BlackElo "2434"]
[PlyCount "49"]
[EventDate "2025.04.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c5 3. c4 e6 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. 0-0 Be7 8. Nc3 0-0 9. b3 Ne4 10. Bb2 Bf6 11. Na4 b6 12. Rc1 Re8 13. dxc5 Bxb2 14. Nxb2 bxc5 15. Nd2 Ba6 16. Nxe4 dxe4 17. Rxc5 Qf6 18. Nc4 Rad8 19. Rd5 Qe6 20. Rxd8 Rxd8 21. Qb1 Nd4 22. Qxe4 Nxe2+ 23. Kh1 Qxe4 24. Bxe4 Nc3 25. Bf3 1/2-1/2

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2025.04.16"]
[Round "7"]
[White "Dobrovoljc, Vid"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2402"]
[BlackElo "2478"]
[PlyCount "93"]
[EventDate "2025.04.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. 0-0 0-0 6. d4 c6 7. b3 b6 8. Bb2 a5 9. Nc3 Ba6 10. Qd3 a4 11. Rad1 a3 12. Ba1 b5 13. Nd2 Nbd7 14. Qc2 bxc4 15. bxc4 Nb6 16. c5 Nc4 17. Nb3 Nd7 18. Rfe1 f5 19. Nc1 Qa5 20. e4 fxe4 21. Nxe4 Rf7 22. Bh3 Nf8 23. Nb3 Qc7 24. Ned2 Bg5 25. Nxc4 Bxc4 26. Nd2 Bxd2 27. Qxd2 Qb8 28. Rxe6 Nxe6 29. Bxe6 Qe8 30. Re1 Kh8 31. Bxf7 Qxf7 32. Bc3 h6 33. Bb4 Qf5 34. Kg2 Ra4 35. Bc3 Kh7 36. f3 Ra7 37. Bb4 Ra8 38. g4 Qg6 39. Kg3 Ra4 40. Bc3 Qd3 41. Qxd3+ Bxd3 42. Kf4 Bc4 43. Ra1 Ra8 44. Bb4 Rf8+ 45. Kg3 Ra8 46. Kf4 Rf8+ 47. Kg3 1/2-1/2

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2025.04.16"]
[Round "7"]
[White "Dobrovoljc, Vid"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2402"]
[BlackElo "2478"]
[PlyCount "93"]
[EventDate "2025.04.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. 0-0 0-0 6. d4 c6 7. b3 b6 8. Bb2 a5 9. Nc3 Ba6 10. Qd3 a4 11. Rad1 a3 12. Ba1 b5 13. Nd2 Nbd7 14. Qc2 bxc4 15. bxc4 Nb6 16. c5 Nc4 17. Nb3 Nd7 18. Rfe1 f5 19. Nc1 Qa5 20. e4 fxe4 21. Nxe4 Rf7 22. Bh3 Nf8 23. Nb3 Qc7 24. Ned2 Bg5 25. Nxc4 Bxc4 26. Nd2 Bxd2 27. Qxd2 Qb8 28. Rxe6 Nxe6 29. Bxe6 Qe8 30. Re1 Kh8 31. Bxf7 Qxf7 32. Bc3 h6 33. Bb4 Qf5 34. Kg2 Ra4 35. Bc3 Kh7 36. f3 Ra7 37. Bb4 Ra8 38. g4 Qg6 39. Kg3 Ra4 40. Bc3 Qd3 41. Qxd3+ Bxd3 42. Kf4 Bc4 43. Ra1 Ra8 44. Bb4 Rf8+ 45. Kg3 Ra8 46. Kf4 Rf8+ 47. Kg3 1/2-1/2

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2025.04.15"]
[Round "6"]
[White "Nikolaidis, Ioannis"]
[Black "Patrelakis, Evaggelos"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2478"]
[BlackElo "2425"]
[PlyCount "59"]
[EventDate "2025.04.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. 0-0 Nc6 7. e3 Bd7 8. Qe2 Bd6 9. Qxc4 0-0 10. Rd1 Qe7 11. Qe2 Rab8 12. Nbd2 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Nc4 Rfd8 16. Bd2 Bb5 17. a4 Bxc4 18. Qxc4 Bxb2 19. Ra2 b5 20. axb5 axb5 21. Qc2 Be5 22. Bc6 Qe6 23. Ra6 Qc4 24. Qxc4 bxc4 25. Ba4 g6 26. f4 Ne4 27. fxe5 Nxd2 28. Bc6 Rb6 29. Ra8 Rxa8 30. Bxa8 1/2-1/2

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2025.04.15"]
[Round "6"]
[White "Nikolaidis, Ioannis"]
[Black "Patrelakis, Evaggelos"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2478"]
[BlackElo "2425"]
[PlyCount "59"]
[EventDate "2025.04.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. 0-0 Nc6 7. e3 Bd7 8. Qe2 Bd6 9. Qxc4 0-0 10. Rd1 Qe7 11. Qe2 Rab8 12. Nbd2 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Nc4 Rfd8 16. Bd2 Bb5 17. a4 Bxc4 18. Qxc4 Bxb2 19. Ra2 b5 20. axb5 axb5 21. Qc2 Be5 22. Bc6 Qe6 23. Ra6 Qc4 24. Qxc4 bxc4 25. Ba4 g6 26. f4 Ne4 27. fxe5 Nxd2 28. Bc6 Rb6 29. Ra8 Rxa8 30. Bxa8 1/2-1/2

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2025.04.14"]
[Round "5"]
[White "Risteski, Emil"]
[Black "Nikolaidis, Ioannis"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2354"]
[BlackElo "2478"]
[PlyCount "144"]
[EventDate "2025.04.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Ne2 c5 7. c3 Qb6 8. 0-0 Qa6 9. Qd1 Nc6 10. Be3 Nge7 11. dxc5 Nxe5 12. b4 Nf5 13. Nd4 Nxe3 14. fxe3 Be7 15. Na3 Qxa3 16. Nb5 Qb2 17. Rf2 Qxa1 18. Qxa1 0-0 19. a4 b6 20. cxb6 axb6 21. Re2 Rfd8 22. e4 Rac8 23. h3 Nc4 24. e5 Bf8 25. Nd4 Ra8 26. Ra2 Rdc8 27. Nb3 Ra6 28. Nd4 Nxe5 29. a5 bxa5 30. Rxa5 Rxa5 31. bxa5 Nc6 32. Qa4 Bc5 33. Kf1 Bxd4 34. cxd4 Nxa5 35. Qxa5 h6 36. Kf2 Rc4 37. Ke3 e5 38. Qd8+ Kh7 39. Qxd5 exd4+ 40. Ke4 Rc7 41. Ke5 Re7+ 42. Kd6 Re6+ 43. Kd7 g6 44. Qxd4 h5 45. Qf4 Kg7 46. Qc4 Kg8 47. Qc8+ Kg7 48. Qa8 Re1 49. Qa5 Re6 50. Qc5 Kg8 51. Qg5 Kg7 52. g3 Kg8 53. Qd2 Kg7 54. Qf4 Kg8 55. Qc4 Kg7 56. Qd5 Kg8 57. Qc4 Kg7 58. Qd5 Kg8 59. Qd3 Kg7 60. Qf3 Kg8 61. g4 hxg4 62. hxg4 g5 63. Qf5 Kg7 64. Qxg5+ Rg6 65. Qe5+ Kg8 66. g5 Re6 67. Qf6 Re1 68. g6 fxg6 69. Qxg6+ Kf8 70. Qf6+ Kg8 71. Qg5+ Kf8 72. Qf4+ Kg8 1-0

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2025.04.14"]
[Round "5"]
[White "Risteski, Emil"]
[Black "Nikolaidis, Ioannis"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2354"]
[BlackElo "2478"]
[PlyCount "144"]
[EventDate "2025.04.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Ne2 c5 7. c3 Qb6 8. 0-0 Qa6 9. Qd1 Nc6 10. Be3 Nge7 11. dxc5 Nxe5 12. b4 Nf5 13. Nd4 Nxe3 14. fxe3 Be7 15. Na3 Qxa3 16. Nb5 Qb2 17. Rf2 Qxa1 18. Qxa1 0-0 19. a4 b6 20. cxb6 axb6 21. Re2 Rfd8 22. e4 Rac8 23. h3 Nc4 24. e5 Bf8 25. Nd4 Ra8 26. Ra2 Rdc8 27. Nb3 Ra6 28. Nd4 Nxe5 29. a5 bxa5 30. Rxa5 Rxa5 31. bxa5 Nc6 32. Qa4 Bc5 33. Kf1 Bxd4 34. cxd4 Nxa5 35. Qxa5 h6 36. Kf2 Rc4 37. Ke3 e5 38. Qd8+ Kh7 39. Qxd5 exd4+ 40. Ke4 Rc7 41. Ke5 Re7+ 42. Kd6 Re6+ 43. Kd7 g6 44. Qxd4 h5 45. Qf4 Kg7 46. Qc4 Kg8 47. Qc8+ Kg7 48. Qa8 Re1 49. Qa5 Re6 50. Qc5 Kg8 51. Qg5 Kg7 52. g3 Kg8 53. Qd2 Kg7 54. Qf4 Kg8 55. Qc4 Kg7 56. Qd5 Kg8 57. Qc4 Kg7 58. Qd5 Kg8 59. Qd3 Kg7 60. Qf3 Kg8 61. g4 hxg4 62. hxg4 g5 63. Qf5 Kg7 64. Qxg5+ Rg6 65. Qe5+ Kg8 66. g5 Re6 67. Qf6 Re1 68. g6 fxg6 69. Qxg6+ Kf8 70. Qf6+ Kg8 71. Qg5+ Kf8 72. Qf4+ Kg8 1-0

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2025.04.13"]
[Round "4"]
[White "Nikolaidis, Ioannis"]
[Black "Czernek, Tymon"]
[Result "1/2-1/2"]
[ECO "E17"]
[WhiteElo "2478"]
[BlackElo "2374"]
[PlyCount "79"]
[EventDate "2025.04.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. b3 d5 4. Bb2 Be7 5. g3 0-0 6. Bg2 b6 7. cxd5 exd5 8. 0-0 Re8 9. Nc3 Bb7 10. d4 Nbd7 11. Qc2 c5 12. Rfd1 Rc8 13. Rac1 Bf8 14. e3 a6 15. dxc5 bxc5 16. Ne1 Nb6 17. a4 a5 18. Nxd5 Nfxd5 19. e4 Nb4 20. Rxd8 Nxc2 21. Rxe8 Rxe8 22. Nxc2 c4 23. Nd4 cxb3 24. Nxb3 Bxe4 25. Bxe4 Rxe4 26. Bd4 Nxa4 27. Rc8 f6 28. Ra8 Re1+ 29. Kg2 Rd1 30. Rxa5 Rd3 31. Rb5 Nc3 32. Rb8 Kf7 33. Rb7+ Kg8 34. Rb8 Kf7 35. Bc5 Bxc5 36. Nxc5 Rd6 37. Rb7+ Kf8 38. f4 Nd5 39. Kf3 Rc6 40. Rb5 1/2-1/2

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2025.04.13"]
[Round "4"]
[White "Nikolaidis, Ioannis"]
[Black "Czernek, Tymon"]
[Result "1/2-1/2"]
[ECO "E17"]
[WhiteElo "2478"]
[BlackElo "2374"]
[PlyCount "79"]
[EventDate "2025.04.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. b3 d5 4. Bb2 Be7 5. g3 0-0 6. Bg2 b6 7. cxd5 exd5 8. 0-0 Re8 9. Nc3 Bb7 10. d4 Nbd7 11. Qc2 c5 12. Rfd1 Rc8 13. Rac1 Bf8 14. e3 a6 15. dxc5 bxc5 16. Ne1 Nb6 17. a4 a5 18. Nxd5 Nfxd5 19. e4 Nb4 20. Rxd8 Nxc2 21. Rxe8 Rxe8 22. Nxc2 c4 23. Nd4 cxb3 24. Nxb3 Bxe4 25. Bxe4 Rxe4 26. Bd4 Nxa4 27. Rc8 f6 28. Ra8 Re1+ 29. Kg2 Rd1 30. Rxa5 Rd3 31. Rb5 Nc3 32. Rb8 Kf7 33. Rb7+ Kg8 34. Rb8 Kf7 35. Bc5 Bxc5 36. Nxc5 Rd6 37. Rb7+ Kf8 38. f4 Nd5 39. Kf3 Rc6 40. Rb5 1/2-1/2

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2025.04.13"]
[Round "3"]
[White "Nikolaidis, Ioannis"]
[Black "Krallis, Christos"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2478"]
[BlackElo "2371"]
[PlyCount "105"]
[EventDate "2025.04.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 h6 8. Bh4 0-0 9. f3 Ne4 10. Bxe7 Nxc3 11. Bxd8 Nxd1 12. Rxd1 Rxd8 13. Ne2 b6 14. Rc1 Ba6 15. Bxa6 Nxa6 16. Rxc6 Nb4 17. Rc7 Nxa2 18. Kd2 Rdc8 19. Rd7 Nb4 20. Nc3 Kf8 21. Ra1 a6 22. Rc1 Rd8 23. Rc7 b5 24. Ne2 Rd6 25. Rb7 Rc6 26. Rc7 Rd6 27. Nf4 Re8 28. Ra7 g5 29. Nh5 Rde6 30. Rcc7 R8e7 31. Ra8+ Re8 32. Rxe8+ Rxe8 33. Ng3 Kg7 34. Nf5+ Kg6 35. Nd6 Rf8 36. Kc3 a5 37. Nxb5 Rb8 38. Rc5 f5 39. b3 f4 40. exf4 gxf4 41. Nc7 Na2+ 42. Kc2 Nb4+ 43. Kd2 Rb7 44. Nxd5 Nxd5 45. Rxd5 Rxb3 46. Rxa5 Rb2+ 47. Kd3 Rxg2 48. h4 h5 49. Ke4 Rh2 50. Rg5+ Kh6 51. d5 Rxh4 52. d6 Rh1 53. Rd5 1-0

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2025.04.13"]
[Round "3"]
[White "Nikolaidis, Ioannis"]
[Black "Krallis, Christos"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2478"]
[BlackElo "2371"]
[PlyCount "105"]
[EventDate "2025.04.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 h6 8. Bh4 0-0 9. f3 Ne4 10. Bxe7 Nxc3 11. Bxd8 Nxd1 12. Rxd1 Rxd8 13. Ne2 b6 14. Rc1 Ba6 15. Bxa6 Nxa6 16. Rxc6 Nb4 17. Rc7 Nxa2 18. Kd2 Rdc8 19. Rd7 Nb4 20. Nc3 Kf8 21. Ra1 a6 22. Rc1 Rd8 23. Rc7 b5 24. Ne2 Rd6 25. Rb7 Rc6 26. Rc7 Rd6 27. Nf4 Re8 28. Ra7 g5 29. Nh5 Rde6 30. Rcc7 R8e7 31. Ra8+ Re8 32. Rxe8+ Rxe8 33. Ng3 Kg7 34. Nf5+ Kg6 35. Nd6 Rf8 36. Kc3 a5 37. Nxb5 Rb8 38. Rc5 f5 39. b3 f4 40. exf4 gxf4 41. Nc7 Na2+ 42. Kc2 Nb4+ 43. Kd2 Rb7 44. Nxd5 Nxd5 45. Rxd5 Rxb3 46. Rxa5 Rb2+ 47. Kd3 Rxg2 48. h4 h5 49. Ke4 Rh2 50. Rg5+ Kh6 51. d5 Rxh4 52. d6 Rh1 53. Rd5 1-0

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2025.04.12"]
[Round "2"]
[White "Lazov, Toni"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2410"]
[BlackElo "2478"]
[PlyCount "152"]
[EventDate "2025.04.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. 0-0 a6 7. c3 h6 8. a4 Ne7 9. Na3 Bh7 10. Nc2 c5 11. Bd3 Bxd3 12. Qxd3 Rc8 13. Bd2 Nc6 14. b4 cxd4 15. cxd4 Be7 16. Rfb1 0-0 17. Ne3 Ncb8 18. b5 axb5 19. Qxb5 b6 20. Rc1 Rc7 21. a5 bxa5 22. Bxa5 Rxc1+ 23. Rxc1 Qe8 24. Qb7 Bd8 25. Rc8 Bxa5 26. Rxe8 Rxe8 27. Qb5 Bb6 28. h4 Rc8 29. h5 Nc6 30. g4 Rc7 31. Qb2 Na5 32. Kg2 Nc4 33. Qb3 Ba7 34. Qd3 Nf8 35. g5 hxg5 36. Nxg5 Nb2 37. Qd2 Nc4 38. Nxc4 dxc4 39. Ne4 Bb6 40. h6 Ng6 41. Qb4 Nf4+ 42. Kf3 Nd5 43. Qd2 gxh6 44. Nf6+ Kg7 45. Ne8+ Kf8 46. Nxc7 Bxc7 47. Qxh6+ Ke7 48. Qc1 c3 49. Qa3+ Ke8 50. Ke4 f5+ 51. Kd3 Bd8 52. Qc1 Kf7 53. Qh6 Bb6 54. Qh7+ Ke8 55. Qg8+ Ke7 56. Kc4 Bd8 57. Qh7+ Ke8 58. Qh6 Kd7 59. Kb5 Be7 60. Qc1 Bh4 61. Qc2 Bg5 62. Kc4 Kd8 63. Qb1 Ke8 64. Qb5+ Kf7 65. Qd7+ Be7 66. Kb3 Nb6 67. Qc6 Nd5 68. Qc8 Bh4 69. Kc2 Ke7 70. Qc5+ Kf7 71. Qa7+ Ke8 72. Qa4+ Kf7 73. Kd3 Bg5 74. Qd7+ Be7 75. Ke2 Nf4+ 76. Kd1 Nd5 1/2-1/2

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2025.04.12"]
[Round "2"]
[White "Lazov, Toni"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2410"]
[BlackElo "2478"]
[PlyCount "152"]
[EventDate "2025.04.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. 0-0 a6 7. c3 h6 8. a4 Ne7 9. Na3 Bh7 10. Nc2 c5 11. Bd3 Bxd3 12. Qxd3 Rc8 13. Bd2 Nc6 14. b4 cxd4 15. cxd4 Be7 16. Rfb1 0-0 17. Ne3 Ncb8 18. b5 axb5 19. Qxb5 b6 20. Rc1 Rc7 21. a5 bxa5 22. Bxa5 Rxc1+ 23. Rxc1 Qe8 24. Qb7 Bd8 25. Rc8 Bxa5 26. Rxe8 Rxe8 27. Qb5 Bb6 28. h4 Rc8 29. h5 Nc6 30. g4 Rc7 31. Qb2 Na5 32. Kg2 Nc4 33. Qb3 Ba7 34. Qd3 Nf8 35. g5 hxg5 36. Nxg5 Nb2 37. Qd2 Nc4 38. Nxc4 dxc4 39. Ne4 Bb6 40. h6 Ng6 41. Qb4 Nf4+ 42. Kf3 Nd5 43. Qd2 gxh6 44. Nf6+ Kg7 45. Ne8+ Kf8 46. Nxc7 Bxc7 47. Qxh6+ Ke7 48. Qc1 c3 49. Qa3+ Ke8 50. Ke4 f5+ 51. Kd3 Bd8 52. Qc1 Kf7 53. Qh6 Bb6 54. Qh7+ Ke8 55. Qg8+ Ke7 56. Kc4 Bd8 57. Qh7+ Ke8 58. Qh6 Kd7 59. Kb5 Be7 60. Qc1 Bh4 61. Qc2 Bg5 62. Kc4 Kd8 63. Qb1 Ke8 64. Qb5+ Kf7 65. Qd7+ Be7 66. Kb3 Nb6 67. Qc6 Nd5 68. Qc8 Bh4 69. Kc2 Ke7 70. Qc5+ Kf7 71. Qa7+ Ke8 72. Qa4+ Kf7 73. Kd3 Bg5 74. Qd7+ Be7 75. Ke2 Nf4+ 76. Kd1 Nd5 1/2-1/2

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2025.04.11"]
[Round "1"]
[White "Nikolaidis, Ioannis"]
[Black "Mitsis, Georgios"]
[Result "1/2-1/2"]
[ECO "E56"]
[WhiteElo "2478"]
[BlackElo "2385"]
[PlyCount "61"]
[EventDate "2025.04.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. e3 0-0 6. Bd3 dxc4 7. Bxc4 c5 8. 0-0 Nc6 9. a3 Ba5 10. Qd3 a6 11. a4 Qe7 12. Ne4 Nb4 13. Nxf6+ Qxf6 14. Qe2 Nc6 15. dxc5 Bb4 16. Bd2 Bxc5 17. Bc3 Qe7 18. Nd4 Nxd4 19. Bxd4 Bd7 20. Rfd1 Bc6 21. b3 Rfd8 22. Bxc5 Qxc5 23. Rxd8+ Rxd8 24. Rd1 Qg5 25. Rxd8+ Qxd8 26. f3 h6 27. e4 Qd4+ 28. Qf2 Qd1+ 29. Qf1 Qd4+ 30. Qf2 Qd1+ 31. Qf1 1/2-1/2

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2025.04.11"]
[Round "1"]
[White "Nikolaidis, Ioannis"]
[Black "Mitsis, Georgios"]
[Result "1/2-1/2"]
[ECO "E56"]
[WhiteElo "2478"]
[BlackElo "2385"]
[PlyCount "61"]
[EventDate "2025.04.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. e3 0-0 6. Bd3 dxc4 7. Bxc4 c5 8. 0-0 Nc6 9. a3 Ba5 10. Qd3 a6 11. a4 Qe7 12. Ne4 Nb4 13. Nxf6+ Qxf6 14. Qe2 Nc6 15. dxc5 Bb4 16. Bd2 Bxc5 17. Bc3 Qe7 18. Nd4 Nxd4 19. Bxd4 Bd7 20. Rfd1 Bc6 21. b3 Rfd8 22. Bxc5 Qxc5 23. Rxd8+ Rxd8 24. Rd1 Qg5 25. Rxd8+ Qxd8 26. f3 h6 27. e4 Qd4+ 28. Qf2 Qd1+ 29. Qf1 Qd4+ 30. Qf2 Qd1+ 31. Qf1 1/2-1/2

[Event "GRE-chT 51st"]
[Site "Trikala"]
[Date "2024.07.10"]
[Round "7.2"]
[White "Hristodoulou, Panagiotis"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "C26"]
[WhiteElo "2387"]
[BlackElo "2491"]
[PlyCount "56"]
[EventDate "2024.07.04"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]
[WhiteTeam "OFI"]
[BlackTeam "Peiraikos OS"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 d5 6. Bf4 d4 7. Nb5 Bb4+ 8. c3 Ba5 9. 0-0-0 Qe7 10. Nxd4 Nxd4 11. Qxd4 Bb6 12. Qa4+ Bd7 13. Bb5 0-0-0 14. f3 Bxb5 15. Qxb5 Rxd1+ 16. Kxd1 Qe6 17. Ne2 Rd8+ 18. Kc1 Qxa2 19. Kc2 Qe6 20. Rd1 Rxd1 21. Kxd1 a6 22. Qe5 Qb3+ 23. Kc1 Qc4 24. Kd2 Kb8 25. Bg5 Qb3 26. Kc1 Qc4 27. Kd2 Qb3 28. Kc1 Qc4 1/2-1/2

[Event "GRE-chT 51st"]
[Site "Trikala"]
[Date "2024.07.09"]
[Round "6.2"]
[White "Nikolaidis, Ioannis"]
[Black "Raptis, Filippos"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2491"]
[BlackElo "2139"]
[PlyCount "75"]
[EventDate "2024.07.04"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]
[WhiteTeam "Peiraikos OS"]
[BlackTeam "Evoiki ES"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 d6 5. Bb5+ c6 6. Bd3 0-0 7. 0-0 Nbd7 8. a4 e5 9. dxe5 Nxe5 10. Nxe5 dxe5 11. Nc4 Qc7 12. f4 b5 13. Nxe5 Nh5 14. Ng4 f5 15. exf5 Bxf5 16. Bxf5 Rxf5 17. g3 Rd8 18. Qe2 a6 19. axb5 axb5 20. Be3 Re8 21. Qf3 Nf6 22. Ra7 Qd6 23. Rd1 Rd5 24. Rxd5 Qxd5 25. Nxf6+ Bxf6 26. Qxd5+ cxd5 27. Kf2 Bxb2 28. Rc7 Re4 29. Rc5 Rc4 30. Rxb5 Rxc2+ 31. Kf3 Rxh2 32. Rxd5 h5 33. Rd7 Bf6 34. Bb6 Rc2 35. Bc7 Rc3+ 36. Kg2 Rc2+ 37. Kh3 Rc5 38. Bd8 1/2-1/2

[Event "GRE-chT 51st"]
[Site "Trikala"]
[Date "2024.07.08"]
[Round "5.2"]
[White "Mastrovasilis, Dimitrios"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2566"]
[BlackElo "2491"]
[PlyCount "61"]
[EventDate "2024.07.04"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]
[WhiteTeam "Kavalas"]
[BlackTeam "Peiraikos OS"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 0-0 9. d4 Bf6 10. Re1 Re8 11. c3 Rxe1 12. Qxe1 Ne8 13. Bf4 d5 14. Bd3 g6 15. Nd2 Ng7 16. Qe2 c6 17. Re1 Bf5 18. Bxf5 Nxf5 19. Nf3 Ng7 20. Be5 Ne6 21. Bxf6 Qxf6 22. Ne5 Re8 23. Ng4 Qd8 24. Qe5 Ng7 25. Qxe8+ Nxe8 26. Rxe8+ Qxe8 27. Nf6+ Kf8 28. Nxe8 Kxe8 29. f4 Ke7 30. Kf2 Ke6 31. g4 1/2-1/2

[Event "GRE-chT 51st"]
[Site "Trikala"]
[Date "2024.07.07"]
[Round "4.2"]
[White "Kelires, Andreas"]
[Black "Nikolaidis, Ioannis"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2516"]
[BlackElo "2491"]
[PlyCount "69"]
[EventDate "2024.07.04"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]
[WhiteTeam "Irakleiou"]
[BlackTeam "Peiraikos OS"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 0-0 6. Bg2 d5 7. Nf3 c6 8. 0-0 dxc4 9. Ne5 b5 10. a4 Nd5 11. Nc3 f6 12. Ng4 b4 13. Nd1 a5 14. h4 Ra7 15. e4 Nb6 16. Nde3 e5 17. d5 cxd5 18. exd5 Qd6 19. f4 Bxg4 20. Nxg4 exf4 21. Rxf4 Re7 22. Qd4 N8d7 23. Ne3 Qe5 24. Nxc4 Nxc4 25. Qxc4 Kh8 26. Qd4 g6 27. Rc1 Qxd4+ 28. Rxd4 Ne5 29. Rc5 Ra7 30. d6 Rd8 31. g4 Nf7 32. Rc7 Rd7 33. Rxa7 Rxa7 34. d7 Nd8 35. Bf1 1-0

[Event "GRE-chT 51st"]
[Site "Trikala"]
[Date "2024.07.06"]
[Round "3.2"]
[White "Nikolaidis, Ioannis"]
[Black "Krallis, Christos"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2491"]
[BlackElo "2348"]
[PlyCount "115"]
[EventDate "2024.07.04"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]
[WhiteTeam "Peiraikos OS"]
[BlackTeam "Trikalon Skaki"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. Nc3 Nc6 9. Nxd7 Qxd7 10. Qa4 Rc8 11. 0-0 Be7 12. d3 0-0 13. Be3 b6 14. Rfc1 Rfd8 15. Rab1 h6 16. h3 Nb4 17. Qxd7 Rxd7 18. a3 Nbd5 19. Bd2 Nxc3 20. Rxc3 b5 21. Rc2 Nd5 22. Rbc1 Rb8 23. Ra1 c4 24. dxc4 bxc4 25. Bc1 c3 26. bxc3 Nxc3 27. Bb2 Nb5 28. a4 Nd4 29. Bxd4 Rxd4 30. Rc7 Bf6 31. Rxa7 Rd2 32. Re1 Ra2 33. Bf3 Bd4 34. Ra6 Rb4 35. a5 Bc3 36. Rc1 Bd2 37. Rc8+ Kh7 38. Ra7 Kg6 39. Rcc7 Rxa5 40. Rxf7 Rxa7 41. Rxa7 Rb6 42. Rc7 Kf6 43. Kg2 Rd6 44. Bh5 g6 45. Bf3 h5 46. Be4 Rd4 47. Kf3 g5 48. Bd3 g4+ 49. Kg2 gxh3+ 50. Kxh3 Be1 51. Rc1 Bd2 52. Rc8 Be1 53. Rc1 Bd2 54. Rc5 Be1 55. f4 h4 56. gxh4 Rxf4 57. h5 e5 58. Rc4 1/2-1/2

[Event "GRE-chT 51st"]
[Site "Trikala"]
[Date "2024.07.05"]
[Round "2.2"]
[White "Nikolaidis, Ioannis"]
[Black "Sandalakis, Nikolaos"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2491"]
[BlackElo "2229"]
[PlyCount "53"]
[EventDate "2024.07.04"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]
[WhiteTeam "Peiraikos OS"]
[BlackTeam "Machites OI"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 h6 6. Bh4 g5 7. Bg3 dxc4 8. e4 b5 9. Ne5 Nbd7 10. Be2 Bb7 11. 0-0 h5 12. h3 Nxe5 13. Bxe5 Rh6 14. Qc2 Nd7 15. Bg3 Qf6 16. d5 Bc5 17. a4 b4 18. dxe6 Qxe6 19. Nb1 c3 20. bxc3 b3 21. Qc1 0-0-0 22. Nd2 Ne5 23. Rb1 Nd3 24. Bxd3 Rxd3 25. Nxb3 Bb6 26. a5 Rxg3 27. axb6 1-0

[Event "GRE-chT 51st"]
[Site "Trikala"]
[Date "2024.07.04"]
[Round "1.2"]
[White "Tsarsitalidis, Konstantinos"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2224"]
[BlackElo "2491"]
[PlyCount "90"]
[EventDate "2024.07.04"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]
[WhiteTeam "Thessaloniki Lefkos Pyrgos"]
[BlackTeam "Peiraikos OS"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. a4 d6 7. 0-0 Ba7 8. Re1 0-0 9. h3 h6 10. Nbd2 Re8 11. a5 Be6 12. Bxe6 Rxe6 13. Nc4 d5 14. exd5 Qxd5 15. Ne3 Bxe3 16. Bxe3 Rd8 17. d4 Qb5 18. Qc2 exd4 19. Nxd4 Nxd4 20. Bxd4 Rxe1+ 21. Rxe1 Re8 22. Rxe8+ Nxe8 23. b4 Qd7 24. Qe2 Nd6 25. Bc5 Nf5 26. Qe4 c6 27. Qe5 h5 28. Qe2 h4 29. Qe5 f6 30. Qe2 g6 31. Qc4+ Kg7 32. Qf4 g5 33. Qe4 Kf7 34. Qe2 Qe6 35. Qd1 Kg6 36. Qd2 Qe4 37. Qd8 Qe1+ 38. Kh2 Qe6 39. Kg1 Kf7 40. Qc7+ Kg6 41. Qd8 Ng3 42. Qd3+ Qe4 43. Qxe4+ Nxe4 44. Bd4 Kf5 45. Kf1 Ke6 1/2-1/2

[Event "GRE-chT Cup 42nd"]
[Site "Trikala"]
[Date "2024.07.03"]
[Round "2.1"]
[White "Danis, Hrisovalantis"]
[Black "Nikolaidis, Ioannis"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1970"]
[BlackElo "2491"]
[PlyCount "48"]
[EventDate "2024.07.02"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "GRE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]
[WhiteTeam "Sath Likos Pirgos"]
[BlackTeam "Peiraikos OS"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. Nf3 d5 2. c4 e6 3. g3 dxc4 4. Qa4+ Nd7 5. Qxc4 a6 6. d4 b5 7. Qc2 Bb7 8. Bg2 c5 9. 0-0 Rc8 10. Qd1 c4 11. Re1 Ngf6 12. Bd2 Be7 13. b3 0-0 14. bxc4 Rxc4 15. Bf4 Bb4 16. Nfd2 Bxg2 17. Nxc4 Bxe1 18. Qxe1 Ba8 19. Na5 Re8 20. Nb3 e5 21. dxe5 Nxe5 22. Qd2 Qe7 23. Nc3 Qb7 24. f3 Nxf3+ 0-1

[Event "GRE-chT Cup 42nd"]
[Site "Trikala"]
[Date "2024.07.02"]
[Round "1.3"]
[White "Galopoulos, Nikolaos"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2397"]
[BlackElo "2491"]
[PlyCount "33"]
[EventDate "2024.07.02"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "GRE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]
[WhiteTeam "Kavalas"]
[BlackTeam "Peiraikos OS"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e3 a6 6. a4 c5 7. Bxc4 Nc6 8. 0-0 cxd4 9. exd4 Be7 10. d5 exd5 11. Nxd5 Nxd5 12. Bxd5 0-0 13. Qb3 Na5 14. Qa2 Nc6 15. Qb3 Na5 16. Qa2 Nc6 17. Qb3 1/2-1/2

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2024.05.02"]
[Round "9"]
[White "Nikolaidis, Ioannis"]
[Black "Sahib, Singh"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "2508"]
[BlackElo "2290"]
[PlyCount "124"]
[EventDate "2024.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Bf5 5. Bd2 e6 6. Bc3 Nbd7 7. Nbd2 h6 8. Be2 a5 9. 0-0 Bd6 10. Qb3 Qb8 11. a4 Ra7 12. Rfc1 Ne4 13. h3 Bc7 14. Nxe4 dxe4 15. Nd2 Qd8 16. Qd1 Qg5 17. Qf1 h5 18. f4 Qg6 19. Qf2 Qh6 20. Nf1 g5 21. Bd2 h4 22. Nh2 Rg8 23. Ng4 Bxg4 24. hxg4 f5 25. gxf5 exf5 26. Ra3 c5 27. d5 Kd8 28. d6 Bxd6 29. Rd1 Kc8 30. Bc1 Ra6 31. Rd5 Qh7 32. Bd2 Nf6 33. Bc3 Nxd5 34. cxd5 c4 35. Bxc4 Bxa3 36. bxa3 Rag6 37. Bf1 h3 38. Qc2 gxf4 39. Be5+ Kd8 40. Qc5 b6 41. Qc3 Rf8 42. Ba6 Qd7 43. Bb5 Qc8 44. Bc6 Rxg2+ 45. Kh1 Rg6 46. Bxf4 Qa6 47. Bb5 Qb7 48. Qe5 Rfg8 49. Bh2 Qc8 50. Bf1 Qc1 51. Qb8+ Kd7 52. Qb7+ Ke8 53. Qb8+ Kf7 54. Qf4 Rg5 55. d6 Qd1 56. Bg3 Qf3+ 57. Qxf3 exf3 58. Bc4+ Ke8 59. Bb5+ Kd8 60. Bh4 Kc8 61. Kh2 Rg2+ 62. Kxh3 Rh8 0-1

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2024.05.01"]
[Round "8"]
[White "Kotronias, Vasilios"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2461"]
[BlackElo "2508"]
[PlyCount "24"]
[EventDate "2024.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Bb7 10. d4 Re8 11. Ng5 Rf8 12. Nf3 Re8 1/2-1/2

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2024.04.30"]
[Round "7"]
[White "Nikolaidis, Ioannis"]
[Black "Adarsh, Tripathi"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2508"]
[BlackElo "2304"]
[PlyCount "71"]
[EventDate "2024.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 a6 4. Bg5 Be7 5. Bxe7 Nxe7 6. Nbd2 Nd7 7. g3 0-0 8. Bg2 c5 9. 0-0 b5 10. cxd5 exd5 11. dxc5 Nxc5 12. Rc1 Ne6 13. Nb3 Bb7 14. Nfd4 Nxd4 15. Qxd4 Nf5 16. Qd3 g6 17. Rfd1 Qb6 18. Nc5 Bc6 19. Bxd5 Rad8 20. Na4 Qa5 21. Rxc6 Ne7 22. Bxf7+ Kxf7 23. Qb3+ Ke8 24. Nb6 Rxd1+ 25. Qxd1 Rf5 26. Rc7 Re5 27. Rb7 Qxa2 28. Nd7 Re6 29. Rb8+ Kf7 30. Rf8+ Kg7 31. Qd4+ Kh6 32. Qh4+ Kg7 33. Qd4+ Kh6 34. Ne5 Qa1+ 35. Kg2 Qa4 36. b4 1-0

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2024.04.29"]
[Round "6"]
[White "Kapnisis, Spyridon"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2405"]
[BlackElo "2508"]
[PlyCount "27"]
[EventDate "2024.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. c4 e6 2. e4 d5 3. exd5 exd5 4. d4 Bb4+ 5. Nc3 Be6 6. Nge2 Qe7 7. g3 Nf6 8. Bg2 c6 9. 0-0 0-0 10. cxd5 Nxd5 11. Nxd5 Bxd5 12. Bxd5 cxd5 13. Nf4 Nc6 14. Nxd5 1/2-1/2

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2024.04.28"]
[Round "5"]
[White "Nikolaidis, Ioannis"]
[Black "Krallis, Christos"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2508"]
[BlackElo "2324"]
[PlyCount "53"]
[EventDate "2024.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. Qc2 Nbd7 9. Rc1 a5 10. a4 b6 11. cxd5 cxd5 12. Nc3 Ba6 13. Nb5 Bxb5 14. axb5 Rc8 15. Qa4 Ne4 16. Be1 Rxc1 17. Rxc1 Nd6 18. e3 Qb8 19. Bf1 Rc8 20. Rc6 Bf8 21. Bd3 h6 22. Kg2 Ne8 23. Ng1 Qb7 24. Qc2 Rd8 25. Qc1 Nb8 26. Rc2 Rd7 27. Ne2 1/2-1/2

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2024.04.28"]
[Round "4"]
[White "Szpar, Milosz"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2495"]
[BlackElo "2508"]
[PlyCount "76"]
[EventDate "2024.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Qe2 d6 7. Nc3 Nf6 8. Bg5 h6 9. Bh4 Be6 10. 0-0-0 g5 11. Bg3 Qe7 12. Qe1 Nh5 13. Bb5 0-0-0 14. Bxc6 bxc6 15. Nd4 Kb7 16. a4 Nxg3 17. hxg3 Qf6 18. Nce2 Bc4 19. a5 Bc5 20. f3 Bxe2 21. Nxe2 d5 22. Nc3 Bb4 23. Nxd5 Bxe1 24. Nxf6 Rxd1+ 25. Kxd1 Bxg3 26. c3 Ka6 27. Kc2 Kxa5 28. b4+ Ka6 29. Kb3 Kb7 30. Kc4 Be5 31. Ng4 Bg7 32. Nf2 Re8 33. Nd3 Bf8 34. g4 Re6 35. e5 Kc8 36. Ra1 Kb7 37. Rh1 Kc8 38. Ra1 Kb7 1/2-1/2

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2024.04.27"]
[Round "3"]
[White "Alexakis, Dimitris"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2443"]
[BlackElo "2508"]
[PlyCount "71"]
[EventDate "2024.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 Be6 7. Nb3 Bb6 8. 0-0 Qe7 9. Bg5 h6 10. Bh4 g5 11. Bg3 Bg4 12. Nbd2 Nd7 13. a4 a6 14. Nc4 f6 15. Nxb6 cxb6 16. Qe2 c5 17. c3 Rd8 18. Rfd1 Nf8 19. d4 cxd4 20. cxd4 exd4 21. Qc4 Bxf3 22. gxf3 Ne6 23. Rac1 Kf7 24. f4 gxf4 25. Bxf4 Kg6 26. Qd3 Nxf4 27. Qg3+ Kh7 28. Qxf4 Rhg8+ 29. Kh1 Rg5 30. Rc7 Rd7 31. Rxd7 Qxd7 32. Qxf6 Qg4 33. Qf7+ Kh8 34. Qf8+ Kh7 35. Qf7+ Kh8 36. Qf8+ 1/2-1/2

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2024.04.26"]
[Round "2"]
[White "Nikolaidis, Ioannis"]
[Black "Rahmanidis, Petros"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2508"]
[BlackElo "2294"]
[PlyCount "55"]
[EventDate "2024.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 h6 5. Bf4 Bd6 6. e3 Bxf4 7. exf4 dxc4 8. Bxc4 0-0 9. Ne5 a6 10. Bb3 Qd6 11. Qf3 Qxd4 12. 0-0 Nbd7 13. Rfe1 Nxe5 14. fxe5 Nd7 15. Qg3 Re8 16. Re4 Qc5 17. Rae1 Qf8 18. Rc4 Nc5 19. Bc2 b5 20. Rh4 Kh8 21. b4 Nd7 22. Qd3 f5 23. exf6 Nxf6 24. Rf4 Qe7 25. Qg6 Bb7 26. Rxf6 gxf6 27. Qxh6+ Kg8 28. Re3 1-0

[Event "Piraeus"]
[Site "Piraeus"]
[Date "2024.04.25"]
[Round "1"]
[White "Kosakowski, Jakub"]
[Black "Nikolaidis, Ioannis"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2482"]
[BlackElo "2508"]
[PlyCount "63"]
[EventDate "2024.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 Na6 8. Ne2 Nc7 9. Qc2 h5 10. 0-0 Nd5 11. Bd2 Kf8 12. Rad1 g6 13. c4 Nb4 14. Bxb4 Bxb4 15. c5 Ba5 16. Bc4 Bf5 17. Qc1 Qe7 18. Ng3 Bc8 19. d5 h4 20. d6 Qe5 21. d7 Kg7 22. Ne2 Bc7 23. Nf4 g5 24. dxc8Q Raxc8 25. Rd7 Qxf4 26. Rxf7+ Kg6 27. Qc2+ Kh6 28. g3 Qe5 29. f4 Qd4+ 30. Kh1 gxf4 31. Qf5 Be5 32. g4 1-0

[Event "Piraeus GM 01"]
[Site "Piraeus"]
[Date "2024.01.11"]
[Round "9"]
[White "Poupalos, Nikolaos"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2274"]
[BlackElo "2516"]
[PlyCount "48"]
[EventDate "2024.01.03"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "7"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. c4 Be7 10. c5 0-0 11. Be3 Bd7 12. Nxd6 Bxd6 13. cxd6 Bb5 14. Bd3 Qxd6 15. 0-0 Bxd3 16. Qxd3 Rd8 17. Rfd1 Nd7 18. Qb5 Nb6 19. Rac1 h6 20. g3 Qd7 21. Qxd7 Rxd7 22. d6 Rad8 23. Bxb6 axb6 24. Rd5 Rxd6 1/2-1/2

[Event "Piraeus GM 01"]
[Site "Piraeus"]
[Date "2024.01.10"]
[Round "8"]
[White "Nikolaidis, Ioannis"]
[Black "Kapnisis, Spyridon"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "2516"]
[BlackElo "2431"]
[PlyCount "17"]
[EventDate "2024.01.03"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "7"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. Nge2 cxd4 8. Nxd4 Nc6 9. Qd2 1/2-1/2

[Event "Piraeus GM 01"]
[Site "Piraeus"]
[Date "2024.01.09"]
[Round "7"]
[White "Kourkoulos Arditis, Stamatis"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2547"]
[BlackElo "2516"]
[PlyCount "79"]
[EventDate "2024.01.03"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "7"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 c5 5. cxd5 cxd4 6. Bg2 Bc5 7. 0-0 0-0 8. Nxd4 Nxd5 9. Nc3 Nxc3 10. bxc3 Na6 11. Nb3 Qc7 12. Nxc5 Nxc5 13. Be3 Rd8 14. Qc1 Bd7 15. Bxc5 Qxc5 16. Bxb7 Rab8 17. Rb1 e5 18. Qe3 Qxe3 19. fxe3 Be6 20. a4 Kf8 21. e4 Ke7 22. Ba6 Rb6 23. Bd3 Rc8 24. Rxb6 axb6 25. Rb1 Bc4 26. Rxb6 Bxd3 27. exd3 Rxc3 28. a5 h5 29. Rb7+ Ke6 30. Rb6+ Ke7 31. Rb5 Kf6 32. a6 Ra3 33. Rb6+ Kg5 34. Rb7 Rxa6 35. Rxf7 g6 36. Kg2 Ra3 37. Rf3 Ra2+ 38. Rf2 Ra3 39. Rd2 h4 40. Kh3 1/2-1/2

[Event "Piraeus GM 01"]
[Site "Piraeus"]
[Date "2024.01.08"]
[Round "6"]
[White "Nikolaidis, Ioannis"]
[Black "Alexakis, Dimitris"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2516"]
[BlackElo "2451"]
[PlyCount "113"]
[EventDate "2024.01.03"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "7"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Nxd2 0-0 7. b3 c5 8. dxc5 bxc5 9. e3 Bb7 10. Bb2 d5 11. cxd5 exd5 12. Be2 Nbd7 13. 0-0 Re8 14. b4 d4 15. Nc4 Qe7 16. bxc5 dxe3 17. Nd6 Nxc5 18. Nxe8 Rxe8 19. Bxf6 gxf6 20. f3 Rd8 21. Qe1 Nb3 22. Ra2 Nd4 23. Rb2 Kh8 24. Qb4 Qxb4 25. axb4 Rg8 26. Ra1 Bxf3 27. Bxf3 Nxf3+ 28. Kh1 Nd4 29. Rxa7 e2 30. Ra1 Rc8 31. Re1 Nc2 32. Rxe2 Nxb4 33. h3 Nd5 34. Rb7 Kg7 35. Re4 h5 36. Rb3 Rc3 37. Rxc3 Nxc3 38. Rh4 Kg6 39. g4 hxg4 40. Rxg4+ Kh6 41. Kg2 f5 42. Rg8 Nd5 43. Kg3 Nf6 44. Rf8 Kg6 45. Kf4 Nh5+ 46. Ke3 Ng7 47. Rg8 Kh7 48. Ra8 Ne6 49. Kf3 Kg7 50. Kg3 Kh7 51. Kh4 Kg6 52. Ra1 Kh6 53. Rf1 Kg6 54. Rf2 Nf8 55. Rg2+ Kh6 56. Rf2 Kg6 57. Rg2+ 1/2-1/2

[Event "Piraeus GM 01"]
[Site "Piraeus"]
[Date "2024.01.07"]
[Round "5"]
[White "Jaiveer, Mahendru"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2294"]
[BlackElo "2516"]
[PlyCount "143"]
[EventDate "2024.01.03"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "7"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 0-0 10. Be3 Bg4 11. h3 Bh5 12. Qc2 Bg6 13. Qb3 Ne7 14. 0-0 c6 15. Bd3 Nd2 16. Nxd2 Bxd3 17. Rfd1 Bg6 18. Ne2 f6 19. f4 Nf5 20. Nf3 fxe5 21. Nxe5 Nd6 22. Kh2 Be4 23. a4 Bc7 24. Ng3 Rb8 25. Rf1 Kh8 26. Rf2 Qe8 27. Qc3 h5 28. Nf1 h4 29. g4 hxg3+ 30. Nxg3 Bh7 31. f5 Nxf5 32. Raf1 Qe6 33. Nxf5 Rxf5 34. Rxf5 Bxf5 35. Bf4 Rf8 36. Qb4 Bd6 37. Qxb7 Rb8 38. Qf7 Rxb2+ 39. Kg1 Bxe5 40. Qh5+ Kg8 41. Bxe5 Bxh3 42. Rf4 Rg2+ 43. Kh1 Rg6 44. Rh4 Bf5 45. Qh8+ Kf7 46. Kh2 Qe7 47. Qh5 Qg5 48. Qxg5 Rxg5 49. Rh8 Be4 50. Rc8 Rxe5 51. dxe5 d4 52. Kg3 g5 53. Rc7+ Ke6 54. Rxa7 Kxe5 55. Re7+ Kd5 56. Rxe4 Kxe4 57. a5 d3 58. Kf2 g4 59. a6 g3+ 60. Kxg3 d2 61. a7 d1Q 62. a8Q Qd3+ 63. Kf2 Qc2+ 64. Ke1 Kd3 65. Qd8+ Kc4 66. Qg8+ Kb4 67. Qb8+ Ka3 68. Qa7+ Qa4 69. Qe3+ Qb3 70. Qc1+ Kb4 71. Qxc6 Qc3+ 72. Qxc3+ 1/2-1/2

[Event "Piraeus GM 01"]
[Site "Piraeus"]
[Date "2024.01.06"]
[Round "4"]
[White "Nikolaidis, Ioannis"]
[Black "Pang, Tao"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2516"]
[BlackElo "2430"]
[PlyCount "61"]
[EventDate "2024.01.03"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "7"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Ndxb4 9. 0-0 Rb8 10. Nc3 a6 11. Ne5 0-0 12. Bxc6 Nxc6 13. Nxc6 bxc6 14. Qxc4 Rxb2 15. Rab1 Rd2 16. Rbd1 Rxd1 17. Rxd1 Qd6 18. Ne4 Qd5 19. Qxd5 cxd5 20. Nc5 f6 21. f3 Kf7 22. e3 h5 23. Kf2 Ke7 24. Rb1 e5 25. Rb8 a5 26. Nb3 a4 27. Nc5 a3 28. Ra8 g5 29. Rxa3 Bd7 30. Rb3 Ra8 31. a3 1/2-1/2

[Event "Piraeus GM 01"]
[Site "Piraeus"]
[Date "2024.01.05"]
[Round "3"]
[White "Kosakowski, Jakub"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2486"]
[BlackElo "2516"]
[PlyCount "31"]
[EventDate "2024.01.03"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "7"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Qc7 5. 0-0 Nd4 6. Re1 a6 7. Bf1 e5 8. Nd5 Nxf3+ 9. Qxf3 Nxd5 10. exd5 d6 11. Qg3 g6 12. b4 cxb4 13. d4 Bg7 14. dxe5 0-0 15. exd6 Qxc2 16. Bd3 1/2-1/2

[Event "Piraeus GM 01"]
[Site "Piraeus"]
[Date "2024.01.04"]
[Round "2"]
[White "Nikolaidis, Ioannis"]
[Black "Spyropoulos, Nikolaos"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2516"]
[BlackElo "2445"]
[PlyCount "87"]
[EventDate "2024.01.03"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "7"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bd6 5. Bg2 0-0 6. 0-0 h6 7. b3 b6 8. Bb2 Bb7 9. Ne5 Re8 10. Nc3 Nbd7 11. cxd5 exd5 12. f4 Ne4 13. Nxe4 dxe4 14. Qc2 Nf6 15. Bh3 c5 16. Rfd1 Qe7 17. Nc4 e3 18. dxc5 Bxc5 19. Qf5 Rad8 20. Bxf6 gxf6 21. Qg4+ Kh8 22. Bg2 Bxg2 23. Kxg2 b5 24. Na5 Rd2 25. Qf3 Qd7 26. Rdc1 Ba3 27. Rc6 Bb4 28. Ra6 Qd4 29. Re1 Bf8 30. Nc6 Qc3 31. Nxa7 Rb2 32. Qf1 Qc7 33. Qf3 Qc3 34. Qf1 Bb4 35. Rd1 Qc2 36. Kf3 Qe4+ 37. Kg4 Qg6+ 38. Kh4 Rg8 39. Qf3 Be7 40. Nc6 Bc5 41. Rd5 Bf8 42. Ne5 Qg7 43. Ng4 Be7 44. Nxe3 1-0

[Event "Piraeus GM 01"]
[Site "Piraeus"]
[Date "2024.01.03"]
[Round "1"]
[White "Nikolaidis, Ioannis"]
[Black "Nagarkatte, Vedant"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2516"]
[BlackElo "2320"]
[PlyCount "60"]
[EventDate "2024.01.03"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "7"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 c5 6. 0-0 Nc6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 c3 10. bxc3 0-0 11. Nb3 Be7 12. Nfd4 Bd7 13. Nxc6 Bxc6 14. Bxc6 bxc6 15. Bg5 h6 16. Bxf6 Bxf6 17. Rac1 a5 18. Rd6 Rfb8 19. Rc2 a4 20. Nc1 a3 21. Nd3 Rb1+ 22. Kg2 Rab8 23. Rxc6 R1b2 24. Nb4 Be7 25. Kf3 Rxc2 26. Nxc2 Rb2 27. Nb4 Bxb4 28. cxb4 Rxa2 29. Ra6 Rb2 30. Ra8+ Kh7 1/2-1/2

[Event "GRE-chT 50th"]
[Site "Nikaia"]
[Date "2023.08.30"]
[Round "7.1"]
[White "Kapnisis, Spyridon"]
[Black "Nikolaidis, Ioannis"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2450"]
[BlackElo "2509"]
[PlyCount "78"]
[EventDate "2023.08.25"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Phisiolatris"]
[BlackTeam "Piraikos OS"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. g4 Be7 10. Rg1 0-0 11. Be3 a6 12. Nc3 Bg5 13. Qd2 Bxe3 14. Qxe3 f5 15. gxf5 Bxf5 16. 0-0-0 Nd7 17. Bh3 Bxh3 18. Qxh3 Nf6 19. Rd3 Rf7 20. Qh6 Qd7 21. Rf3 Raf8 22. Rg5 Ng4 23. Rxf7 Rxf7 24. Qh4 Nxf2 25. Rg2 Qf5 26. Qd8+ Rf8 27. Qe7 Nd3+ 28. Kd2 Qf4+ 29. Kxd3 Qf3+ 30. Kc4 Qxg2 31. Qe6+ Kh8 32. Qxd6 Rc8+ 33. Kb3 Qg4 34. a4 Qc4+ 35. Ka3 b5 36. Qb4 e4 37. d6 e3 38. d7 Qxb4+ 39. Kxb4 Rd8 0-1

[Event "GRE-chT 50th"]
[Site "Nikaia"]
[Date "2023.08.29"]
[Round "6.1"]
[White "Mastrovasilis, Dimitrios"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "B17"]
[WhiteElo "2587"]
[BlackElo "2509"]
[PlyCount "67"]
[EventDate "2023.08.25"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Kavalas"]
[BlackTeam "Piraikos OS"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. c3 Bg4 8. h3 Bxf3 9. Qxf3 Qd5 10. Be2 Qxf3 11. Bxf3 g6 12. 0-0 Bg7 13. Re1 e6 14. Bd2 0-0 15. Rad1 Rfd8 16. g3 Rd7 17. Kg2 Nd5 18. Bc1 Ne7 19. Be4 h5 20. Bc2 Nd5 21. g4 hxg4 22. hxg4 Nf6 23. Kg3 Nd5 24. f4 Ne7 25. Kf3 Rad8 26. a4 Rd5 27. Bb3 R5d7 28. Bc2 Rd5 29. Rh1 a6 30. Bb3 R5d7 31. Bc2 Rd5 32. Be3 R5d6 33. Rde1 b5 34. b4 1/2-1/2

[Event "GRE-chT 50th"]
[Site "Nikaia"]
[Date "2023.08.28"]
[Round "5.1"]
[White "Nikolaidis, Ioannis"]
[Black "Naoum, Spyridon"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2509"]
[BlackElo "2356"]
[PlyCount "111"]
[EventDate "2023.08.25"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Piraikos OS"]
[BlackTeam "Kidon Khanion"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. Nc3 b5 8. Be2 Bb7 9. dxc5 Bxc5 10. Qxd8+ Kxd8 11. Nd2 Ke7 12. Nb3 Bb6 13. a4 b4 14. a5 Ba7 15. Na4 Bd5 16. Nbc5 Nfd7 17. Nxd7 Kxd7 18. Bd2 Nc6 19. Bxa6 Rhb8 20. Nb6+ Bxb6 21. axb6 Rxb6 22. Be2 Rbb8 23. f3 f5 24. Rxa8 Rxa8 25. Bb5 Rb8 26. Ba4 g6 27. Rd1 Rb7 28. Be1 Kc7 29. Rc1 Rb6 30. Bxc6 Rxc6 31. Rxc6+ Kxc6 32. Bxb4 Kb5 33. Bc3 Kc4 34. Bf6 Kd3 35. Kf2 Bb3 36. h3 Kd2 37. Bc3+ Kd3 38. Bh8 Kd2 39. Bf6 Kd3 40. g4 Kd2 41. gxf5 gxf5 42. Bd4 Kd3 43. Kg3 e5 44. Bb6 Bd1 45. f4 Ke4 46. Bc7 exf4+ 47. exf4 Be2 48. Kh4 Bf1 49. b4 Kd5 50. b5 Kc5 51. b6 Kc6 52. Kg3 Kb7 53. Bd8 Kc6 54. h4 h5 55. Kf2 Bh3 56. b7 1/2-1/2

[Event "GRE-chT 50th"]
[Site "Nikaia"]
[Date "2023.08.27"]
[Round "4.1"]
[White "Ioannidis, Evgenios"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2490"]
[BlackElo "2509"]
[PlyCount "130"]
[EventDate "2023.08.25"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Amo Galaxias"]
[BlackTeam "Piraikos OS"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 Nf8 8. Nf3 Ne6 9. Bh4 c6 10. 0-0 0-0 11. Qb1 g6 12. b4 a6 13. a4 Ng7 14. b5 axb5 15. axb5 Rxa1 16. Qxa1 Bf5 17. Bxf5 Nxf5 18. Bxf6 Bxf6 19. bxc6 bxc6 20. Qa6 Qc8 21. Ra1 Kg7 22. h3 Ne7 23. Qa5 Qf5 24. Qa7 h5 25. Ne2 Kg8 26. Ng3 Qc2 27. Qd7 h4 28. Nf1 Qf5 29. Qa7 Qe6 30. N1h2 Nf5 31. Ng4 Be7 32. Nge5 Rc8 33. Ra6 Kg7 34. Rb6 f6 35. Nd3 Nd6 36. Nc5 Qf7 37. Qd7 Qe8 38. Qe6 g5 39. Ra6 Qf7 40. Qd7 Qe8 41. Qe6 Qf7 42. Nd2 Qxe6 43. Nxe6+ Kf7 44. Nc5 Nf5 45. Ndb3 Bxc5 46. dxc5 Rc7 47. Kf1 Ke7 48. Ke2 Kd7 49. Kf3 Ke6 50. Na5 Ne7 51. Kg4 Kf7 52. f4 Kg6 53. fxg5 fxg5 54. Ra8 Nf5 55. Rg8+ Ng7 56. Rd8 Nf5 57. Rg8+ Ng7 58. Rd8 Nf5 59. Kf3 Re7 60. Rg8+ Kf7 61. Rxg5 Kf6 62. Rg8 Rxe3+ 63. Kf2 Rc3 64. Rf8+ Kg5 65. Nxc6 Rxc5 1/2-1/2

[Event "GRE-chT 50th"]
[Site "Nikaia"]
[Date "2023.08.26"]
[Round "2.1"]
[White "Dimitrov, Atanas Valtchev"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "D48"]
[WhiteElo "2269"]
[BlackElo "2509"]
[PlyCount "104"]
[EventDate "2023.08.25"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Panellinios GS"]
[BlackTeam "Piraikos OS"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 a6 10. b3 c5 11. Bb2 Be7 12. Qe2 0-0 13. Rfd1 Rc8 14. Rac1 Qb6 15. Nb1 Be4 16. Bxe4 Nxe4 17. Nbd2 Nxd2 18. Nxd2 cxd4 19. Bxd4 Qb7 20. Qf3 Qxf3 21. gxf3 Ba3 22. Rxc8 Rxc8 23. Ne4 Rc1 24. Rxc1 Bxc1 25. Nc5 Nxc5 26. Bxc5 Bb2 27. h3 f5 28. e4 Kf7 29. Kf1 Kg6 30. Be3 Kh5 31. Kg2 g5 32. Bd2 Bd4 33. Bc1 Kg6 34. Bd2 Kf6 35. Kf1 h6 36. exf5 exf5 37. Ke2 Ke6 38. Bb4 Bf6 39. Kd3 Kd5 40. Bf8 h5 41. Bb4 h4 42. Ke2 Kd4 43. Bd2 Be7 44. Be1 Bd8 45. Bd2 a5 46. Be1 a4 47. bxa4 bxa4 48. Bb4 Kc4 49. Bd2 Bf6 50. Ba5 Be5 51. Bd2 Bf6 52. Ba5 Be5 1/2-1/2

[Event "GRE-chT 50th"]
[Site "Nikaia"]
[Date "2023.08.26"]
[Round "3.1"]
[White "Nikolaidis, Ioannis"]
[Black "Gkoumas, Georgios"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2509"]
[BlackElo "2454"]
[PlyCount "89"]
[EventDate "2023.08.25"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Piraikos OS"]
[BlackTeam "Evoiki ES"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. 0-0 Be7 5. c4 0-0 6. d3 Nc6 7. cxd5 exd5 8. d4 Bd6 9. Bg5 Be6 10. Nc3 Be7 11. Ne5 Nxe5 12. dxe5 Ng4 13. Bxe7 Qxe7 14. Nxd5 Bxd5 15. Qxd5 c6 16. Qd6 Qxe5 17. Qb4 h5 18. Qxb7 Rab8 19. Qxa7 Qxe2 20. b3 Ra8 21. Qc5 Rxa2 22. Rxa2 Qxa2 23. b4 Qe2 24. Qxh5 g6 25. Qc5 Ne5 26. Qc3 Qb5 27. Rd1 Re8 28. Re1 Re6 29. Re3 g5 30. h3 Qb8 31. Bxc6 Qd6 32. Bg2 Qd1+ 33. Bf1 Qd5 34. Be2 f5 35. Qc5 Qxc5 36. bxc5 Kf7 37. f4 gxf4 38. gxf4 Nf3+ 39. Kf2 Nd2 40. Rxe6 Kxe6 41. Ke3 Ne4 42. Kd4 Nf2 43. Bf3 Nxh3 44. Bd5+ Kd7 45. Ke3 1-0

[Event "GRE-chT 50th"]
[Site "Nikaia"]
[Date "2023.08.25"]
[Round "1.1"]
[White "Nikolaidis, Ioannis"]
[Black "Kanakaris, Georgios"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2509"]
[BlackElo "2392"]
[PlyCount "119"]
[EventDate "2023.08.25"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Piraikos OS"]
[BlackTeam "Pneemathlon"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e3 Nxe5 5. Nh3 d5 6. cxd5 Bxh3 7. gxh3 Bd6 8. Nc3 Nbd7 9. Rg1 0-0 10. Rg3 Ng6 11. Bd2 Bxg3 12. hxg3 c6 13. dxc6 bxc6 14. Qc2 Nge5 15. Be2 Nc5 16. Kf1 Qd7 17. Kg2 Rfd8 18. Rd1 Qe6 19. e4 Nc4 20. Bc1 Nb6 21. Re1 Qe7 22. f4 Ne6 23. Bf1 Nd4 24. Qf2 Qb4 25. Be3 c5 26. Bc1 Rd7 27. f5 Re8 28. f6 Re6 29. fxg7 Kxg7 30. Qf4 h6 31. Be2 Nxe2 32. Rxe2 Rf6 33. Qg4+ Rg6 34. Qf5 Rd3 35. Bf4 Nc4 36. Nd5 Qb7 37. b3 Nb6 38. Be5+ Kf8 39. Rf2 Rxd5 40. exd5 Qxd5+ 41. Kh2 Kg8 42. Qf4 Nd7 43. Bb2 Rd6 44. Bc3 Qe6 45. Qf3 Qd5 46. Qxd5 Rxd5 47. Rd2 Nb6 48. Rxd5 Nxd5 49. Bd2 h5 50. Kg2 Kf8 51. Kf3 Ke7 52. g4 hxg4+ 53. Kxg4 Ke6 54. h4 a5 55. Bxa5 c4 56. Kf3 cxb3 57. axb3 f5 58. Bd2 Ke5 59. Bg5 f4 60. h5 1-0

[Event "GRE CupT final 41st"]
[Site "Peristeri"]
[Date "2023.08.23"]
[Round "1.1"]
[White "Malikentzos, Sotirios"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2443"]
[BlackElo "2509"]
[PlyCount "72"]
[EventDate "2023.08.23"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "GRE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Evoiki ES"]
[BlackTeam "Piraikos"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. Nf3 d5 2. g3 Nd7 3. Bg2 e5 4. 0-0 Ngf6 5. d4 exd4 6. Nxd4 Bc5 7. Nb3 Be7 8. Bxd5 Nxd5 9. Qxd5 0-0 10. Nc3 c6 11. Qd3 a5 12. a4 Ne5 13. Qe4 Bf6 14. Rd1 Qc7 15. Qf4 Be7 16. Be3 g5 17. Bb6 gxf4 18. Bxc7 Nc4 19. Nd2 Nxb2 20. Rdb1 Bf6 21. Nde4 Bg7 22. Rxb2 f5 23. gxf4 fxe4 24. Be5 Bxe5 25. fxe5 e3 26. f3 Rf5 27. Ne4 Rxe5 28. Ra3 Bf5 29. Ng3 Bg6 30. Rxb7 Bxc2 31. Rc3 Bxa4 32. Rc4 Rb5 33. Rd7 Rb4 34. Nh5 Rxc4 35. Nf6+ Kf8 36. Nxh7+ Ke8 1/2-1/2

[Event "Attica CupT final"]
[Site "Nikea"]
[Date "2023.06.11"]
[Round "2"]
[White "Nikolaidis, Ioannis"]
[Black "Kostas, Alexandros"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2535"]
[BlackElo "1757"]
[PlyCount "41"]
[EventDate "2023.06.10"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Peiraikos OS"]
[BlackTeam "Peukis AO"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. e3 Bd6 6. Bd3 dxc4 7. Bxc4 0-0 8. e4 Be7 9. 0-0 b6 10. Qe2 a5 11. Bf4 Nbd7 12. Rfd1 Bb7 13. d5 exd5 14. exd5 Re8 15. dxc6 Bxc6 16. Ne5 Qc8 17. Nxf7 Kf8 18. Nd6 Bd8 19. Nxe8 Nc5 20. Be5 Ng8 21. Bd6+ 1-0

[Event "Attica CupT final"]
[Site "Nikea"]
[Date "2023.06.10"]
[Round "1"]
[White "Kapnisis, Spyridon"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2400"]
[BlackElo "2535"]
[PlyCount "112"]
[EventDate "2023.06.10"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Nikaia Fysiolatris"]
[BlackTeam "Peiraikos OS"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 a6 7. Be2 h6 8. 0-0 c5 9. c3 c4 10. Nbd2 b5 11. Ne1 b4 12. cxb4 Qb6 13. a3 Qxd4 14. Nef3 Qa7 15. Nb1 Ne7 16. Nc3 Nc6 17. Be3 Qb7 18. Nd4 Nxd4 19. Qxd4 Be7 20. g4 Bh7 21. f4 Bd8 22. Na4 Bc2 23. Nc5 Nxc5 24. Qxc5 Rb8 25. Rac1 Ba4 26. Bd1 Bb5 27. Rf2 Qd7 28. Qd6 Qxd6 29. exd6 Bb6 30. Bc5 Bxc5 31. bxc5 Bc6 32. b4 cxb3 33. Rb2 Kd7 34. Rc3 Rb5 35. Be2 Rb7 36. Bxa6 Ra7 37. Bd3 Rxa3 38. Rcxb3 Rxb3 39. Rxb3 Ra8 40. Kf2 Ra5 41. Rc3 Ra4 42. Kg3 g5 43. fxg5 hxg5 44. h4 d4 45. Rb3 gxh4+ 46. Kxh4 Ra5 47. Rb4 Rxc5 48. Rxd4 Rd5 49. Rxd5 Bxd5 50. Kg5 Kxd6 51. Kf6 Bf3 52. g5 Bh5 53. Bh7 e5 54. Be4 Bg6 55. Bg2 e4 56. Bxe4 Bxe4 1/2-1/2

[Event "GRE-chT 49th"]
[Site "Thessaloniki"]
[Date "2022.08.17"]
[Round "7.4"]
[White "Korpa, Bence"]
[Black "Nikolaidis, Ioannis"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2519"]
[BlackElo "2508"]
[PlyCount "51"]
[EventDate "2022.08.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]
[WhiteTeam "Amo Galaxias"]
[BlackTeam "Piraikos"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 a6 4. e3 b5 5. h4 e6 6. g4 c5 7. g5 Nfd7 8. h5 Nc6 9. Nf3 Bb7 10. Bh3 b4 11. Na4 g6 12. Qe2 Qa5 13. b3 gxh5 14. Nh4 cxd4 15. Qxh5 dxe3 16. Bxe6 exf2+ 17. Kd2 Nd8 18. Bf5 Bg7 19. Rae1+ fxe1Q+ 20. Rxe1+ Kf8 21. Bxd7 Nc6 22. Bd6+ Kg8 23. Qxf7+ Kxf7 24. Rf1+ Bf6 25. Rxf6+ Kg8 26. Be6+ 1-0

[Event "GRE-chT 49th"]
[Site "Thessaloniki"]
[Date "2022.08.16"]
[Round "6.3"]
[White "Nikolaidis, Ioannis"]
[Black "Tzoumbas, Anastasios"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "2508"]
[BlackElo "2283"]
[PlyCount "83"]
[EventDate "2022.08.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]
[WhiteTeam "Piraikos"]
[BlackTeam "Ames Neas Erythreas"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. d4 d6 7. d5 e5 8. Nc3 a5 9. Ne1 Na6 10. Nd3 Nd7 11. f4 exf4 12. gxf4 Nac5 13. e4 Nxd3 14. Qxd3 Ba6 15. b3 0-0 16. Be3 Re8 17. Rae1 Bh4 18. Re2 Rb8 19. Bd4 Nc5 20. Bxc5 bxc5 21. e5 g6 22. Kh1 Bc8 23. Bh3 f5 24. Nb5 Rf8 25. Rg1 Ra8 26. a4 Ra6 27. Bg2 Bd7 28. Qh3 Bxb5 29. axb5 Ra8 30. Ra1 Re8 31. Qc3 Be7 32. Rxa5 Rxa5 33. Qxa5 Bf8 34. Qe1 Bh6 35. Qg3 Qa8 36. Qh4 Bg7 37. Qe1 Qa3 38. exd6 Rxe2 39. Qxe2 Qc1+ 40. Qf1 Qe3 41. dxc7 Qe8 42. d6 1-0

[Event "GRE-chT 49th"]
[Site "Thessaloniki"]
[Date "2022.08.15"]
[Round "5.3"]
[White "Nikolaidis, Ioannis"]
[Black "Kelires, Andreas"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2508"]
[BlackElo "2528"]
[PlyCount "54"]
[EventDate "2022.08.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]
[WhiteTeam "Piraikos"]
[BlackTeam "Erakleioe"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. 0-0 Bg4 5. d4 e6 6. Nbd2 Be7 7. Re1 0-0 8. e4 Bh5 9. c3 a5 10. a4 Nbd7 11. exd5 cxd5 12. Qb3 Qc7 13. Nb1 Qb6 14. Qxb6 Nxb6 15. Ne5 Rfc8 16. b3 Ng4 17. Nxg4 Bxg4 18. Bd2 Rd8 19. Na3 Bf5 20. Rec1 Nd7 21. Nb5 Nf6 22. f3 Ne8 23. Kf2 Rac8 24. Na7 Ra8 25. Nb5 Rac8 26. Na7 Ra8 27. Nb5 Rac8 1/2-1/2

[Event "GRE-chT 49th"]
[Site "Thessaloniki"]
[Date "2022.08.14"]
[Round "4.2"]
[White "Halkias, Stelios"]
[Black "Nikolaidis, Ioannis"]
[Result "0-1"]
[ECO "D50"]
[WhiteElo "2512"]
[BlackElo "2508"]
[PlyCount "75"]
[EventDate "2022.08.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]
[WhiteTeam "Eaao Fysiolatris Nikias"]
[BlackTeam "Piraikos"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 c5 5. cxd5 cxd4 6. Qxd4 exd5 7. Bg5 Be7 8. e3 0-0 9. Be2 h6 10. Bh4 Be6 11. 0-0 Nc6 12. Qd3 Qb6 13. Bxf6 Bxf6 14. Nxd5 Qxb2 15. Rab1 Qxa2 16. Nxf6+ gxf6 17. e4 Rfd8 18. Qe3 Ne5 19. h3 Nxf3+ 20. Qxf3 Rd2 21. Qg3+ Kh7 22. Bg4 Bxg4 23. hxg4 Rb2 24. Rbc1 Rg8 25. Rc7 Qe6 26. f3 Rd8 27. Kh1 Rdd2 28. Rg1 Kg7 29. Qh4 Qe5 30. Rc8 a5 31. Ra8 Ra2 32. Qh2 b5 33. Ra7 b4 34. f4 Qxe4 35. g5 hxg5 36. fxg5 fxg5 37. Rf1 Rf2 38. Kg1 0-1

[Event "GRE-chT 49th"]
[Site "Thessaloniki"]
[Date "2022.08.13"]
[Round "3.4"]
[White "Galopoulos, Nikolaos"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "2381"]
[BlackElo "2508"]
[PlyCount "61"]
[EventDate "2022.08.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]
[WhiteTeam "Neapolis Sykeon"]
[BlackTeam "Piraikos"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. Bg5 h6 6. Bh4 0-0 7. cxd5 Nxd5 8. Bxe7 Qxe7 9. Nxd5 exd5 10. e3 Be6 11. Rc1 Rc8 12. Ne5 c5 13. dxc5 Rxc5 14. Be2 Nc6 15. Nxc6 bxc6 16. 0-0 Rxc1 17. Qxc1 c5 18. Qc3 Rc8 19. Rd1 Qd6 20. Bf3 d4 21. exd4 cxd4 22. Qxd4 Qxd4 23. Rxd4 Rc1+ 24. Rd1 Rxd1+ 25. Bxd1 Bxa2 26. f3 Kf8 27. Kf2 Ke7 28. Ke3 Kd6 29. Kd4 Be6 30. Bc2 f6 31. Bd3 1/2-1/2

[Event "GRE-chT 49th"]
[Site "Thessaloniki"]
[Date "2022.08.13"]
[Round "2.7"]
[White "Halkias, Alexandros"]
[Black "Nikolaidis, Ioannis"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2108"]
[BlackElo "2508"]
[PlyCount "96"]
[EventDate "2022.08.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]
[WhiteTeam "Thessaloniki Sach"]
[BlackTeam "Piraikos"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. c3 Qb6 5. Qb3 Nc6 6. dxc5 Qxc5 7. e3 g6 8. Na3 a6 9. Be2 Bg7 10. Rd1 0-0 11. 0-0 b5 12. Nc2 Na5 13. Qb4 Qxb4 14. Nxb4 Bb7 15. Ne5 Nc4 16. Nbd3 Rac8 17. Bf3 Rfd8 18. a4 bxa4 19. Nxc4 Rxc4 20. Ne5 Rc5 21. Ra1 Rb5 22. Nd3 Nd7 23. Be2 e5 24. Bg3 Nb6 25. Nb4 Ra5 26. Rfd1 Bf6 27. Nd3 Nc4 28. Ra2 Rc8 29. Rda1 Rb5 30. Nb4 a5 31. Nc2 Bc6 32. Bxc4 dxc4 33. Na3 Rc5 34. Rd1 Be4 35. f3 Bd3 36. e4 Rb8 37. Bf2 Rc7 38. Be3 Rcb7 39. Rd2 Be7 40. Kf2 h5 41. g3 Rb3 42. f4 f6 43. fxe5 fxe5 44. Rxd3 cxd3 45. Nc4 a3 46. bxa3 Rxc3 47. Nxe5 Rc2+ 48. Rxc2 dxc2 0-1

[Event "GRE-chT 49th"]
[Site "Thessaloniki"]
[Date "2022.08.12"]
[Round "1.8"]
[White "Roinos, Ilias"]
[Black "Nikolaidis, Ioannis"]
[Result "0-1"]
[ECO "E54"]
[WhiteElo "2186"]
[BlackElo "2508"]
[PlyCount "84"]
[EventDate "2022.08.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]
[WhiteTeam "Zeenon Glyfathas"]
[BlackTeam "Piraikos"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. Bd3 0-0 8. 0-0 dxc4 9. Bxc4 b6 10. a3 Bxc3 11. bxc3 Qc7 12. Qe2 Bb7 13. Bg5 Ne4 14. Rac1 Nd7 15. Bd3 Nxg5 16. Nxg5 Nf6 17. f4 h6 18. Nf3 Qxf4 19. Ne5 Qg5 20. Bb1 Rac8 21. g3 Nd5 22. c4 Qe3+ 23. Qxe3 Nxe3 24. Rfe1 Nf5 25. Bxf5 exf5 26. Nd7 Rfd8 27. Re7 Bc6 28. Ne5 Rxd4 29. Nxc6 Rxc6 30. Rxa7 Rdxc4 31. Rxc4 Rxc4 32. a4 g6 33. a5 bxa5 34. Rxa5 h5 35. h3 f4 36. g4 hxg4 37. hxg4 f6 38. Kf2 Kg7 39. Kf3 g5 40. Ra3 Kg6 41. Rb3 Rc1 42. Kf2 Rh1 0-1

[Event "Heraklion Fischer Memorial 8th"]
[Site "Heraklion"]
[Date "2022.05.03"]
[Round "9"]
[White "Samaridis, Konstantinos"]
[Black "Nikolaidis, Ioannis"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "2064"]
[BlackElo "2536"]
[PlyCount "116"]
[EventDate "2022.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Be7 6. Nxe4 Nf6 7. N2c3 0-0 8. Be2 Nc6 9. Be3 Nxe4 10. Nxe4 f5 11. Nc3 f4 12. d5 fxe3 13. dxc6 exf2+ 14. Kf1 Qxd1+ 15. Rxd1 bxc6 16. Bf3 Rb8 17. b4 c5 18. b5 a6 19. bxa6 Bxa6+ 20. Kxf2 Bh4+ 21. Ke3 Bg5+ 22. Kf2 Rb2 23. Kg3 Rxc2 24. Ne4 Be3 25. Bg4 e5 26. Rd7 Bb7 27. Be6+ Kh8 28. Re1 Bd4 29. Rf1 Ra8 30. Rdf7 g6 31. Nf6 Rxg2+ 32. Kh4 g5+ 33. Kh5 Rxh2+ 34. Kxg5 Ba6 35. Rf3 e4 36. Rh3 Bxf6+ 37. Kxf6 Rxh3 38. Bxh3 Bc4 39. Rxc7 e3 40. Re7 e2 41. Bg4 Ra6+ 42. Kg5 Rxa3 43. Bxe2 Bxe2 44. Rxe2 Ra8 45. Rc2 Rc8 46. Rc4 Kg7 47. Kf5 h5 48. Ke6 Kg6 49. Kd7 Rh8 50. Rxc5 h4 51. Ke7 h3 52. Rc6+ Kf5 53. Rc5+ Ke4 54. Rc4+ Kd3 55. Rc1 h2 56. Rh1 Ke4 57. Kf6 Kf3 58. Kg7 Rh3 0-1

[Event "Heraklion Fischer Memorial 8th"]
[Site "Heraklion"]
[Date "2022.05.02"]
[Round "8"]
[White "Nikolaidis, Ioannis"]
[Black "Vaishali, Ramesh Babu"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2536"]
[BlackElo "2411"]
[PlyCount "38"]
[EventDate "2022.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. e3 a5 5. c4 c6 6. Be2 Bg7 7. b3 0-0 8. 0-0 a4 9. b4 Nbd7 10. Ba3 Re8 11. b5 e5 12. bxc6 bxc6 13. Nxe5 Nxe5 14. dxe5 Rxe5 15. Bb2 Re8 16. a3 Ba6 17. cxd5 Qxd5 18. Bxa6 Rxa6 19. Qc2 c5 1/2-1/2

[Event "Heraklion Fischer Memorial 8th"]
[Site "Heraklion"]
[Date "2022.05.01"]
[Round "7"]
[White "Kapnisis, Spyridon"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2450"]
[BlackElo "2536"]
[PlyCount "24"]
[EventDate "2022.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Bb7 10. d4 Re8 11. Ng5 Rf8 12. Nf3 Re8 1/2-1/2

[Event "Heraklion Fischer Memorial 8th"]
[Site "Heraklion"]
[Date "2022.04.30"]
[Round "6"]
[White "Nikolaidis, Ioannis"]
[Black "Materia, Marco"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2536"]
[BlackElo "2398"]
[PlyCount "125"]
[EventDate "2022.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 Ne5 8. Qg3 b5 9. 0-0-0 Nf6 10. f4 Neg4 11. e5 Nxe3 12. Qxe3 b4 13. Ncb5 axb5 14. exf6 Rxa2 15. Bxb5 Ra1+ 16. Kd2 Rxd1+ 17. Rxd1 gxf6 18. Nb3 Qb8 19. Be2 Bd6 20. g3 Bc7 21. Kc1 Qb6 22. Qd2 f5 23. Nd4 Qa5 24. Nb3 Qb6 25. Nd4 0-0 26. Nb5 b3 27. Nxc7 Qxc7 28. Qc3 Qxc3 29. bxc3 bxc2 30. Rd6 Rd8 31. Bb5 Kf8 32. c4 Ke7 33. c5 Rg8 34. Kxc2 h5 35. Kc3 h4 36. Rd3 Rh8 37. Kb4 hxg3 38. hxg3 Rd8 39. Rd6 Bb7 40. Rb6 Bf3 41. Kc3 Rg8 42. Rd6 Bc6 43. Bxc6 Rxg3+ 44. Kb4 dxc6 45. Rxc6 Kd7 46. Ra6 Kc7 47. Ra7+ Kc6 48. Ra6+ Kb7 49. Rd6 Kc7 50. Ra6 Rf3 51. Kb5 Rb3+ 52. Kc4 Rb1 53. Ra7+ Kc6 54. Ra6+ Kb7 55. Rd6 Rf1 56. Kb5 Kc7 57. Ra6 Rb1+ 58. Kc4 Rb7 59. Ra8 Kd7 60. Ra6 Kc7 61. Ra8 Kd7 62. Ra6 Kc7 63. Ra8 1/2-1/2

[Event "Heraklion Fischer Memorial 8th"]
[Site "Heraklion"]
[Date "2022.04.29"]
[Round "5"]
[White "Nikolaidis, Ioannis"]
[Black "Korneev, Oleg"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2536"]
[BlackElo "2521"]
[PlyCount "23"]
[EventDate "2022.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Bb7 10. d4 Re8 11. Ng5 Rf8 12. Nf3 1/2-1/2

[Event "Heraklion Fischer Memorial 8th"]
[Site "Heraklion"]
[Date "2022.04.28"]
[Round "4"]
[White "Szwed, Jacek"]
[Black "Nikolaidis, Ioannis"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2360"]
[BlackElo "2536"]
[PlyCount "111"]
[EventDate "2022.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 Na6 8. Ne2 Nc7 9. Qc2 h5 10. 0-0 Kf8 11. c4 h4 12. h3 Ne6 13. Be3 g6 14. Rad1 Ng7 15. d5 c5 16. b4 b6 17. bxc5 bxc5 18. Bf4 Nh5 19. Be3 Ng7 20. Bc1 Nf5 21. Qd2 Bc7 22. Nc3 Qd6 23. f4 Ba5 24. Bxf5 Bxf5 25. Nb5 Bxd2 26. Nxd6 Bxc1 27. Rxc1 Ke7 28. Nb7 Rhc8 29. Rfe1+ Kd7 30. Re3 Re8 31. Nxc5+ Kd6 32. Nb7+ Kc7 33. Rb3 Re2 34. Nc5 Kd6 35. Nb7+ Kc7 36. Kf1 Rc2 37. Rxc2 Bxc2 38. Rc3 Bf5 39. Nc5 Kd6 40. Nb7+ Kc7 41. Na5 Kd6 42. Rb3 Kc5 43. Rb5+ Kd4 44. d6 Be4 45. Kf2 a6 46. Rb2 Rd8 47. Rd2+ Kc5 48. Nb3+ Kc6 49. c5 a5 50. Ke3 f5 51. Kd4 Ra8 52. Kc4 Kd7 53. a4 Bc6 54. Re2 Kd8 55. Nd4 Bxa4 56. c6 1-0

[Event "Heraklion Fischer Memorial 8th"]
[Site "Heraklion"]
[Date "2022.04.27"]
[Round "3"]
[White "Nikolaidis, Ioannis"]
[Black "Mitsis, Georgios"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "2536"]
[BlackElo "2344"]
[PlyCount "20"]
[EventDate "2022.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Nb6 6. Bb3 Nc6 7. Nf3 Bg4 8. Ng5 Bxd1 9. Bxf7+ Kd7 10. Be6+ Ke8 1/2-1/2

[Event "Heraklion Fischer Memorial 8th"]
[Site "Heraklion"]
[Date "2022.04.26"]
[Round "2"]
[White "Milikow, Yoav"]
[Black "Nikolaidis, Ioannis"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2383"]
[BlackElo "2536"]
[PlyCount "109"]
[EventDate "2022.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bf5 5. Nc3 e6 6. Nh4 Bg4 7. h3 Bh5 8. g4 Bg6 9. Nxg6 hxg6 10. g5 Ne4 11. Nxe4 dxe4 12. Bg2 Rh4 13. Qb3 Nd7 14. Qg3 Rh5 15. Bxe4 Nb6 16. Qd3 Rxg5 17. Bxg5 Qxg5 18. c5 Nd7 19. h4 Qf6 20. 0-0-0 0-0-0 21. b4 Qf4+ 22. Qe3 Qxe3+ 23. fxe3 Be7 24. Rdf1 f5 25. Bf3 Rh8 26. h5 g5 27. e4 g4 28. Bg2 Bg5+ 29. Kc2 f4 30. e5 Nb8 31. Be4 Na6 32. Rfg1 g3 33. Kc3 Rd8 34. e3 Nc7 35. a4 fxe3 36. Rxg3 Bh6 37. Rf3 Bg5 38. Rg1 Bh6 39. Rf7 a5 40. bxa5 Rd7 41. Rf8+ Rd8 42. Rgf1 Rxf8 43. Rxf8+ Kd7 44. Kd3 Na6 45. Rf7+ Kc8 46. Ke2 Nb4 47. Rf1 Na2 48. Kd3 Bg5 49. Rg1 Bh6 50. Ra1 Nb4+ 51. Kc3 e2 52. Re1 Na2+ 53. Kc2 Nc1 54. Bd3 Be3 55. Bxe2 1-0

[Event "Heraklion Fischer Memorial 8th"]
[Site "Heraklion"]
[Date "2022.04.25"]
[Round "1"]
[White "Nikolaidis, Ioannis"]
[Black "Jahncke, Giso"]
[Result "1-0"]
[ECO "E54"]
[WhiteElo "2536"]
[BlackElo "2326"]
[PlyCount "141"]
[EventDate "2022.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "6"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. Nf3 c5 7. 0-0 dxc4 8. Bxc4 cxd4 9. exd4 b6 10. Bg5 Bb7 11. Rc1 Nbd7 12. Qe2 Be7 13. Rfd1 h6 14. Bf4 Nh5 15. Be3 Bd6 16. d5 e5 17. Ne4 Ndf6 18. Nfd2 Rc8 19. g3 Nxe4 20. Nxe4 Nf6 21. Nc3 Qd7 22. Ba6 Bxa6 23. Qxa6 Qh3 24. Qf1 Qd7 25. Qd3 Ng4 26. Ne4 Nxe3 27. Qxe3 f5 28. Nxd6 Qxd6 29. Qb3 Rxc1 30. Rxc1 Rd8 31. Qf3 f4 32. Rd1 fxg3 33. hxg3 Rf8 34. Qe4 Rd8 35. Rd3 Kh8 36. Kg2 Kg8 37. a4 Kh8 38. b4 Kg8 39. b5 Rd7 40. Qc4 Rc7 41. Qg4 Rd7 42. Qf5 Rd8 43. Qe4 Rd7 44. Rd2 Rc7 45. Rd1 Rd7 46. Rd3 Rc7 47. Re3 Rc5 48. Qxe5 Qxd5+ 49. Qxd5+ Rxd5 50. Re7 a6 51. bxa6 Ra5 52. a7 Kh7 53. f4 h5 54. Rb7 Rxa4 55. f5 Kh6 56. Rxb6+ Kg5 57. Rg6+ Kxf5 58. Rxg7 Ra2+ 59. Kf3 Ra3+ 60. Ke2 Ke4 61. Kd2 Kf3 62. Kc2 Ra1 63. Kb2 Ra6 64. Kc3 Ra1 65. Kd4 Ra4+ 66. Kc5 Ra1 67. Kb6 Rb1+ 68. Kc7 Ra1 69. Kb8 Rb1+ 70. Rb7 Ra1 71. Rb3+ 1-0

[Event "GRE-chT Cup Final"]
[Site "Thessaloniki"]
[Date "2021.12.19"]
[Round "3.1"]
[White "Nikolaidis, Ioannis"]
[Black "Lagarde, Maxime"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2545"]
[BlackElo "2638"]
[PlyCount "62"]
[EventDate "2021.12.18"]
[EventType "team-k.o."]
[EventRounds "5"]
[EventCountry "GRE"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]
[WhiteTeam "Peiraikos OS"]
[BlackTeam "Evoiki ES"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 0-0 5. Bd3 c5 6. c3 cxd4 7. cxd4 d5 8. e5 Nh5 9. Nb3 f6 10. exf6 Rxf6 11. Ne5 Nc6 12. 0-0 Nf4 13. Re1 Nxd3 14. Nxc6 Nxf2 15. Nxd8 Nxd1 16. Bg5 Nxb2 17. Rxe7 Rf8 18. Nxb7 Nc4 19. N7c5 a5 20. a4 Bf5 21. Rae1 Rab8 22. h3 h6 23. Bf4 Rb4 24. Kh2 g5 25. Bc7 Bf6 26. R7e2 Rf7 27. Re8+ Kh7 28. Bd8 Bg7 29. R1e7 Rxe7 30. Rxe7 g4 31. hxg4 Bxg4 1/2-1/2

[Event "GRE-chT Cup Final"]
[Site "Thessaloniki"]
[Date "2021.12.18"]
[Round "2.1"]
[White "Ioannidis, Evgenios"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2454"]
[BlackElo "2545"]
[PlyCount "105"]
[EventDate "2021.12.18"]
[EventType "team-k.o."]
[EventRounds "5"]
[EventCountry "GRE"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]
[WhiteTeam "Amo Galaxias"]
[BlackTeam "Peiraikos OS"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Be6 7. c4 g6 8. d4 Bg7 9. Be2 Bf5 10. Qh4 h6 11. Be3 Nd7 12. g4 Be4 13. 0-0 Bxf3 14. Bxf3 Nb6 15. b3 e6 16. Qg3 0-0 17. Rad1 Qe7 18. a4 Qa3 19. Rd3 Rfd8 20. Rfd1 Rac8 21. Bc1 Qf8 22. a5 Nd7 23. a6 bxa6 24. Bf4 Nb6 25. c5 Nd5 26. Bd6 Rxd6 27. Qxd6 Qxd6 28. cxd6 Nb4 29. Rc3 Rd8 30. Rc4 a5 31. Ra1 Rxd6 32. Rxa5 Rxd4 33. Rxa7 Rxc4 34. bxc4 Bd4 35. Rd7 c5 36. Be4 Na2 37. Kf1 g5 38. Ra7 Nb4 39. Ke2 Kf8 40. h3 Kg8 41. Rc7 Kf8 42. Kf1 Kg7 43. Kg2 Kf8 44. Bb1 Kg7 45. Be4 Kf8 46. Ra7 Kg7 47. Kg3 Be5+ 48. Kf3 Bd4 49. Ra8 Be5 50. Ke2 Bd4 51. f3 Be5 52. Kd2 Bd4 53. Ke2 1/2-1/2

[Event "GRE-chT Cup Final"]
[Site "Thessaloniki"]
[Date "2021.12.18"]
[Round "1.2"]
[White "Kalogridis, Antonios"]
[Black "Nikolaidis, Ioannis"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2311"]
[BlackElo "2545"]
[PlyCount "136"]
[EventDate "2021.12.18"]
[EventType "team-k.o."]
[EventRounds "5"]
[EventCountry "GRE"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]
[WhiteTeam "AS Aris"]
[BlackTeam "Peiraikos OS"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 Nc6 5. e4 e5 6. a3 Bxc3+ 7. bxc3 d6 8. Ne2 Ne7 9. h4 c5 10. h5 h6 11. g4 Qa5 12. Kf2 Bd7 13. Be3 0-0-0 14. dxe5 dxe5 15. Qd6 Nc6 16. Qxc5 Qxc5 17. Bxc5 Bxg4 18. Ng3 Be6 19. Be3 Rd7 20. Rb1 Kb8 21. Be2 Rc8 22. Rb5 Ne8 23. c5 Nc7 24. Rb2 Ka8 25. Rhb1 Na6 26. Bxa6 bxa6 27. Nf1 f5 28. exf5 Bxf5 29. Re1 Rf7 30. Kg2 e4 31. f4 Ne7 32. Ng3 Nd5 33. c4 Nxe3+ 34. Rxe3 Bd7 35. Rd2 Rxc5 36. Nxe4 Rxh5 37. Kg1 Kb8 38. Rb2+ Kc7 39. Nc3 Bc6 40. Ne2 Rh1+ 41. Kf2 g5 42. Kg3 h5 43. fxg5 h4+ 44. Kg4 Bd7+ 45. Kh5 h3 46. Nc3 Bf5 47. Nd5+ Kd6 48. Nf6 Rg1 49. Rd2+ Kc6 50. Re5 Rg2 51. Rd1 Rxf6 52. gxf6 Bg4+ 53. Kh6 Bxd1 54. f7 Rf2 55. Kg7 h2 56. Re6+ Kd7 57. Re1 Bh5 58. f8Q Rxf8 59. Kxf8 Bf3 60. Kf7 Kd6 61. Kf6 h1Q 62. Rxh1 Bxh1 63. Kf5 Kc5 64. Kf4 Kxc4 65. Ke3 Kc3 66. a4 a5 67. Ke2 Bc6 68. Kd1 Kb2 0-1

[Event "GRE-ch 70th"]
[Site "Lamia"]
[Date "2021.12.11"]
[Round "8.5"]
[White "Mastrovasilis, Athanasios"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2530"]
[BlackElo "2549"]
[PlyCount "146"]
[EventDate "2021.12.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "9"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 c5 5. dxc5 0-0 6. Nf3 Na6 7. a3 Bxc3 8. Bxc3 Nxc5 9. g3 b6 10. Bg2 Bb7 11. 0-0 d6 12. Rc1 Qe7 13. Bxf6 Qxf6 14. b4 Ne4 15. Qd4 Rfd8 16. Rfd1 Qe7 17. Qe3 Nf6 18. Nd4 Kf8 19. Bxb7 Qxb7 20. b5 Qe4 21. Qd2 Rac8 22. Nc6 Rxc6 23. bxc6 Qe5 24. f3 Qc5+ 25. Qd4 Qxd4+ 26. Rxd4 Ke7 27. Rcd1 e5 28. c7 Rc8 29. Rxd6 Rxc7 30. a4 Rxc4 31. a5 Rb4 32. e4 g5 33. g4 Rb5 34. axb6 Rxb6 35. Rxb6 axb6 36. Kf2 h5 37. gxh5 Nxh5 38. Rb1 f6 39. Rxb6 Kf7 40. Ke3 Nf4 41. Kf2 Kg6 42. Rd6 Nh5 43. Ke3 Nf4 44. Kd2 Kf7 45. Kc3 Ne2+ 46. Kc4 Nd4 47. Rd7+ Ke6 48. Rxd4 exd4 49. Kxd4 Kd6 50. Ke3 Ke5 51. Kf2 Kf4 52. Ke2 f5 53. exf5 Kxf5 54. Ke3 Ke5 55. Kf2 Kf4 56. h3 Ke5 57. Kg3 Kf5 58. Kf2 Kf4 59. Kg2 Kf5 60. Kg3 Kg6 61. Kg4 Kf6 62. Kh5 Kf5 63. Kh6 Kf6 64. Kh7 Kf7 65. Kh8 Kf6 66. Kg8 Kg6 67. Kh8 Kf6 68. Kh7 Kf7 69. Kh6 Kf6 70. Kh5 Kf5 71. h4 gxh4 72. Kxh4 Kf4 73. Kh5 Kf5 1/2-1/2

[Event "GRE-ch 70th"]
[Site "Lamia"]
[Date "2021.12.10"]
[Round "7"]
[White "Nikolaidis, Ioannis"]
[Black "Kapnisis, Spyridon"]
[Result "1-0"]
[ECO "D24"]
[WhiteElo "2545"]
[BlackElo "2466"]
[PlyCount "75"]
[EventDate "2021.12.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "9"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 6. e5 Nd5 7. Nxb5 Nb6 8. g3 Bb7 9. Bg2 Qd7 10. Nc3 Nc6 11. 0-0 0-0-0 12. Be3 Be7 13. b3 g5 14. Nxg5 Bb4 15. Nce4 cxb3 16. Qxb3 h6 17. Nf6 Qe7 18. Nf3 Na5 19. Qc2 Nac4 20. Rfc1 Kb8 21. Qe2 Nxe3 22. Qxe3 Nd5 23. Qb3 Ba5 24. Ne4 Qb4 25. Qc2 Qa3 26. Nc5 Bb6 27. Nxb7 Kxb7 28. Rab1 Kb8 29. Nd2 Nb4 30. Qe4 Nd5 31. Rc2 h5 32. h4 Rhg8 33. Nc4 Qa4 34. Bf3 Kc8 35. Rxb6 axb6 36. Nxb6+ Nxb6 37. Rxc7+ Kxc7 38. Qb7# 1-0

[Event "GRE-ch 70th"]
[Site "Lamia"]
[Date "2021.12.09"]
[Round "6"]
[White "Alexakis, Dimitris"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2475"]
[BlackElo "2545"]
[PlyCount "84"]
[EventDate "2021.12.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "9"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 Na6 8. Ne2 Nc7 9. 0-0 0-0 10. Qc2 g6 11. Bf4 Re8 12. Bxd6 Qxd6 13. Rfe1 Be6 14. Qd2 Rad8 15. a3 Nd5 16. Rad1 b5 17. Nc1 Nb6 18. Qc2 a5 19. Nb3 Bxb3 20. Qxb3 a4 21. Qc2 Re6 22. Re2 Rde8 23. Rde1 Kg7 24. g3 f5 25. Rxe6 Rxe6 26. Rxe6 Qxe6 27. Qe2 Kf6 28. Qf3 Nc4 29. Bxc4 Qxc4 30. Qf4 Qe2 31. Qd6+ Qe6 32. Qf8 Qe1+ 33. Kg2 Qe4+ 34. Kg1 h5 35. h4 Qb1+ 36. Kg2 Qe4+ 37. Kg1 Qe1+ 38. Kg2 Qe6 39. Qd8+ Kg7 40. Qc7 Qe4+ 41. Kg1 Qb1+ 42. Kg2 Qe4+ 1/2-1/2

[Event "GRE-ch 70th"]
[Site "Lamia"]
[Date "2021.12.08"]
[Round "5"]
[White "Nikolaidis, Ioannis"]
[Black "Kourkoulos Arditis, Stamatis"]
[Result "1/2-1/2"]
[ECO "E71"]
[WhiteElo "2545"]
[BlackElo "2538"]
[PlyCount "64"]
[EventDate "2021.12.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "9"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 Na6 7. g4 e5 8. d5 Nc5 9. f3 a5 10. Nge2 c6 11. Ng3 h5 12. h4 hxg4 13. h5 Nxh5 14. Nxh5 gxh5 15. Rxh5 f5 16. dxc6 bxc6 17. Bxc5 dxc5 18. Qxd8 Rxd8 19. exf5 gxf3 20. Kf2 Rd4 21. Bh3 Rf4 22. Rd1 Ba6 23. b3 Rf8 24. Rd6 Bc8 25. Rxc6 Bxf5 26. Nd5 Bxh3 27. Nxf4 Rxf4 28. Rxh3 e4 29. Rc8+ Kf7 30. Rc7+ Kf8 31. Rc8+ Kf7 32. Rc7+ Kf8 1/2-1/2

[Event "GRE-ch 70th"]
[Site "Lamia"]
[Date "2021.12.07"]
[Round "4"]
[White "Mitsis, Georgios"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2355"]
[BlackElo "2545"]
[PlyCount "60"]
[EventDate "2021.12.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "9"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Bg4 5. Qb3 Qb6 6. Nc3 e6 7. Nh4 Bh5 8. h3 Qxb3 9. axb3 Na6 10. g4 Bg6 11. Nxg6 hxg6 12. Bg2 Nb4 13. Ke2 g5 14. Bd2 Nd7 15. Rhc1 Be7 16. Ra5 b6 17. Ra4 a5 18. Rca1 Rc8 19. Rc1 Ra8 20. Rca1 Rc8 21. Rc1 Ra8 22. Rca1 Rc8 23. Rc1 Ra8 24. Rca1 Rc8 25. Rc1 Ra8 26. Rca1 Rc8 27. Rc1 Ra8 28. Rca1 Rc8 29. Rc1 Ra8 30. Rca1 Rc8 1/2-1/2

[Event "GRE-ch 70th"]
[Site "Lamia"]
[Date "2021.12.06"]
[Round "3"]
[White "Nikolaidis, Ioannis"]
[Black "Kanakaris, Georgios"]
[Result "0-1"]
[ECO "E71"]
[WhiteElo "2545"]
[BlackElo "2372"]
[PlyCount "120"]
[EventDate "2021.12.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "9"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 Nbd7 6. Bd3 e5 7. d5 h5 8. Nf3 a5 9. Be3 Bh6 10. Qd2 Bxe3 11. fxe3 Qe7 12. 0-0-0 Nc5 13. Bc2 a4 14. Rhf1 Nfd7 15. Qe2 Nb6 16. Rf2 Bd7 17. Rdf1 0-0-0 18. Nd2 Rdf8 19. b4 axb3 20. axb3 Na6 21. Na2 Kd8 22. b4 f6 23. Nb3 Ke8 24. Na5 Bc8 25. Bd3 Rf7 26. Qc2 Nd7 27. Kb1 Kf8 28. Rc1 Kg7 29. c5 Ndb8 30. c6 bxc6 31. dxc6 d5 32. Qc3 d4 33. exd4 exd4 34. Qe1 Be6 35. Rb2 h4 36. Bc4 Rh5 37. Bd5 Re5 38. Qxh4 Bxd5 39. exd5 Rxd5 40. Qe1 Re5 41. Qd1 Nxb4 42. Rxb4 Na6 43. Ra4 Rb5+ 44. Nb3 Nc5 45. Ra3 Ne4 46. Kb2 Qe5 47. Rc4 d3+ 48. Nc3 Nd6 49. Rca4 Rd5 50. Nd2 Rc5 51. Nf3 Qe6 52. Nd2 Rxc6 53. Rb3 Qe3 54. Ka2 Qf2 55. g4 Re7 56. Rb2 Rxc3 57. Ne4 Nxe4 58. Rxf2 Nxf2 59. Qf1 Re2+ 60. Ka1 d2 0-1

[Event "GRE-ch 70th"]
[Site "Lamia"]
[Date "2021.12.05"]
[Round "2"]
[White "Trimitzios, Petros"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "D58"]
[WhiteElo "2359"]
[BlackElo "2545"]
[PlyCount "60"]
[EventDate "2021.12.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "9"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bg5 0-0 6. e3 h6 7. Bh4 b6 8. Rc1 Bb7 9. Be2 dxc4 10. Bxc4 Ne4 11. Bxe7 Qxe7 12. 0-0 Rc8 13. Nxe4 Bxe4 14. Bd3 Bb7 15. Qc2 Nd7 16. Be4 Bxe4 17. Qxe4 c5 18. Qb7 Qe8 19. Rfd1 cxd4 20. Nxd4 Rxc1 21. Rxc1 Nc5 22. Qc6 e5 23. Qxe8+ Rxe8 24. Nc6 Nd3 25. Rc2 a5 26. Kf1 e4 27. b3 Kh7 28. a3 h5 29. Nd4 Nc5 30. Ke2 g6 1/2-1/2

[Event "GRE-ch 70th"]
[Site "Lamia"]
[Date "2021.12.04"]
[Round "1"]
[White "Nikolaidis, Ioannis"]
[Black "Ioannidis, Evgenios"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2545"]
[BlackElo "2454"]
[PlyCount "94"]
[EventDate "2021.12.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "9"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. Nd5 Nbd7 10. Qd3 0-0 11. c4 b5 12. Nd2 bxc4 13. Nxc4 Nc5 14. Nxe7+ Qxe7 15. Qxd6 Qxd6 16. Nxd6 Ncxe4 17. Nxe4 Nxe4 18. Bf3 f5 19. 0-0 Rab8 20. Bxe4 fxe4 21. b3 Rbc8 22. Rfd1 Rfd8 23. h3 Kf7 24. Rxd8 Rxd8 25. Re1 Rc8 26. Re2 Bd5 27. Rb2 Ke6 28. Kh2 Rc3 29. Bd2 Rc6 30. b4 Bc4 31. a4 Rd6 32. Be3 Rd3 33. b5 axb5 34. axb5 Rb3 35. Rxb3 Bxb3 36. g4 Bc4 37. b6 Ba6 38. Kg3 Kd6 39. Kh4 Bf1 40. Bc5+ Kc6 41. Bf8 g6 42. Bc5 Kb7 43. Kg3 Kc6 44. h4 Be2 45. Be3 Kb7 46. Bc5 Kc6 47. Be3 Kb7 1/2-1/2

[Event "GRE CupT 1/8 f 39th"]
[Site "Greece"]
[Date "2021.11.28"]
[Round "1"]
[White "Nikolaidis, Ioannis"]
[Black "Angelis, Mihail"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2549"]
[BlackElo "2103"]
[PlyCount "77"]
[EventDate "2021.11.28"]
[EventType "team-k.o."]
[EventRounds "1"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Peiraikos OS"]
[BlackTeam "Volou SE"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 e6 7. Bd3 Bb4+ 8. c3 Bxd3 9. Qxd3 Bd6 10. Ne4 Nf6 11. Nxd6+ Qxd6 12. 0-0 Nbd7 13. c4 0-0 14. Rd1 Rfe8 15. b3 Rad8 16. Bb2 Qf4 17. Qe2 c5 18. Rd3 Qc7 19. Rad1 Nf8 20. Qe5 Qxe5 21. Nxe5 cxd4 22. Bxd4 Ng6 23. Nxg6 hxg6 24. Bxf6 Rxd3 25. Rxd3 gxf6 26. Rd7 Rb8 27. Kf1 a5 28. Ke2 b6 29. Kd3 Kf8 30. Kc3 Ke8 31. Rc7 e5 32. h4 f5 33. c5 e4 34. c6 b5 35. Kd4 Rd8+ 36. Kc5 f4 37. Rb7 e3 38. fxe3 fxe3 39. c7 1-0

[Event "GRE-chT 48th"]
[Site "Athens"]
[Date "2021.09.12"]
[Round "7.3"]
[White "Meskovs, Nikita"]
[Black "Nikolaidis, Ioannis"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2550"]
[BlackElo "2540"]
[PlyCount "80"]
[EventDate "2021.09.07"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "OFI"]
[BlackTeam "Piraikos"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. Nf3 d5 2. d4 e6 3. g3 b5 4. Bg2 Nd7 5. Qd3 Rb8 6. Nbd2 Ngf6 7. e4 dxe4 8. Nxe4 Nxe4 9. Qxe4 Bb7 10. Qe2 Be7 11. 0-0 0-0 12. Rd1 Bd5 13. Ne5 Nxe5 14. dxe5 c6 15. h4 Qc7 16. h5 Rfd8 17. Bf4 h6 18. b3 b4 19. Rd3 Qa5 20. Bf1 Rd7 21. a3 c5 22. Qg4 Kh8 23. Qd1 Qc7 24. Bg2 Rbd8 25. Bxd5 Rxd5 26. Rxd5 Rxd5 27. Qf3 Bg5 28. axb4 cxb4 29. Bxg5 hxg5 30. Re1 a5 31. Qe3 Qxc2 32. Qxg5 Rd1 33. Rxd1 Qxd1+ 34. Kg2 Qxb3 35. Qe7 Qd5+ 36. f3 Qd2+ 37. Kh3 Qd3 38. f4 Kh7 39. Kh4 b3 40. Qb7 Qc2 0-1

[Event "GRE-chT 48th"]
[Site "Athens"]
[Date "2021.09.11"]
[Round "6.1"]
[White "Nikolaidis, Ioannis"]
[Black "Lagarde, Maxime"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2540"]
[BlackElo "2625"]
[PlyCount "76"]
[EventDate "2021.09.07"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Piraikos"]
[BlackTeam "Evoiki ES"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 d6 5. Bd3 Nc6 6. 0-0 0-0 7. Re1 e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qe2 Bh6 11. Nc4 Bg4 12. f3 Bxc1 13. Raxc1 Be6 14. Qf2 Nd7 15. Ne3 Nb6 16. Red1 Qg5 17. b3 Rad8 18. a4 a5 19. Qe1 Rd4 20. Nf1 Ra8 21. Qc3 Qe7 22. Be2 c5 23. Ne3 h5 24. Rb1 h4 25. Bc4 Nxc4 26. bxc4 Qg5 27. Re1 Rad8 28. Re2 h3 29. g3 f5 30. exf5 gxf5 31. Nf1 Qg7 32. Rbe1 e4 33. fxe4 f4 34. Qxa5 Bxc4 35. Rf2 Bxf1 36. Rexf1 fxg3 37. hxg3 Qxg3+ 38. Kh1 Rd1 0-1

[Event "GRE-chT 48th"]
[Site "Athens"]
[Date "2021.09.10"]
[Round "5.4"]
[White "Kalesis, Nikolaos"]
[Black "Nikolaidis, Ioannis"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2453"]
[BlackElo "2540"]
[PlyCount "50"]
[EventDate "2021.09.07"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Ames Neas Erythreas"]
[BlackTeam "Piraikos"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 d6 7. g3 e5 8. dxe5 dxe5 9. Bg2 Nc6 10. Be3 Nd4 11. Rd1 c5 12. Bg5 Re8 13. e3 h6 14. Bxf6 Qxf6 15. f3 Bd7 16. Kf2 Ba4 17. Rd2 Bc6 18. b4 b6 19. exd4 cxd4 20. Qa1 Rad8 21. Ne2 e4 22. Rxd4 exf3 23. Rxd8 Qxd8 24. Bxf3 Qd3 25. Nd4 Bxf3 0-1

[Event "GRE-chT 48th"]
[Site "Athens"]
[Date "2021.09.09"]
[Round "4.2"]
[White "Nikolaidis, Ioannis"]
[Black "Halkias, Stelios"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2540"]
[BlackElo "2556"]
[PlyCount "61"]
[EventDate "2021.09.07"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Piraikos"]
[BlackTeam "Nikaia Fysiolatris"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. Nc3 Nc6 7. 0-0 e5 8. dxe5 dxe5 9. Bg5 h6 10. Qxd8 Rxd8 11. Bxf6 Bxf6 12. Nd5 Kg7 13. Nxc7 Rb8 14. e4 Be7 15. Nd5 Bc5 16. h3 Be6 17. Rfd1 a5 18. b3 Rd7 19. Rd2 Rbd8 20. Rad1 b6 21. Ne1 Bb4 22. Rd3 Bc5 23. Nc2 Nb4 24. Ndxb4 axb4 25. Rxd7 Rxd7 26. Rxd7 Bxd7 27. Ne1 f5 28. Nd3 Bd6 29. f3 Kf6 30. Kh2 h5 31. h4 1/2-1/2

[Event "GRE-chT 48th"]
[Site "Athens"]
[Date "2021.09.08"]
[Round "3.2"]
[White "Jianu, Vlad Cristian"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2535"]
[BlackElo "2540"]
[PlyCount "34"]
[EventDate "2021.09.07"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Irakleiou"]
[BlackTeam "Piraikos"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 Bf5 7. Bd3 Bxd3 8. Qxd3 e6 9. Nge2 Bd6 10. 0-0 0-0 11. Rfc1 Rc8 12. Bxd6 Qxd6 13. Nb5 Qe7 14. Nbc3 Qd6 15. Nb5 Qe7 16. Nbc3 Qd6 17. Nb5 Qe7 1/2-1/2

[Event "GRE-chT 48th"]
[Site "Athens"]
[Date "2021.09.08"]
[Round "2.3"]
[White "Nikolaidis, Ioannis"]
[Black "Banikas, Hristos"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "2540"]
[BlackElo "2606"]
[PlyCount "26"]
[EventDate "2021.09.07"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Piraikos"]
[BlackTeam "Epyk Irakliou Attykis"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Nb6 6. Bb3 Nc6 7. Nf3 Bg4 8. Ng5 Bxd1 9. Bxf7+ Kd7 10. Be6+ Ke8 11. Bf7+ Kd7 12. Be6+ Ke8 13. Bf7+ Kd7 1/2-1/2

[Event "GRE-chT 48th"]
[Site "Athens"]
[Date "2021.09.07"]
[Round "1.6"]
[White "Zysk, Robert"]
[Black "Nikolaidis, Ioannis"]
[Result "0-1"]
[ECO "D59"]
[WhiteElo "2392"]
[BlackElo "2540"]
[PlyCount "98"]
[EventDate "2021.09.07"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Papagou"]
[BlackTeam "Piraikos"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 0-0 6. e3 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Bd3 Bb7 11. Rc1 Rc8 12. 0-0 c5 13. Nxd5 Bxd5 14. dxc5 bxc5 15. Bb1 Nd7 16. e4 Bb7 17. Qd2 Nf6 18. Rfe1 c4 19. Ne5 Ba6 20. Qa5 Qc5 21. Qc3 Qb6 22. Red1 Rab8 23. Rd2 Rd8 24. Rxd8+ Rxd8 25. h3 Qd4 26. Qxd4 Rxd4 27. Nf3 Rd8 28. Bc2 Bb7 29. Re1 g5 30. Re3 Bc6 31. g4 Rb8 32. b3 cxb3 33. axb3 Rb4 34. Nd2 a5 35. f3 Nd7 36. Rc3 Ne5 37. Kf2 a4 38. bxa4 Bxa4 39. Bxa4 Rxa4 40. h4 Ra2 41. Ke3 gxh4 42. Nc4 Ng6 43. Rc1 e5 44. f4 exf4+ 45. Kf3 h3 46. e5 Rg2 47. Rh1 Rc2 48. Nd6 Rc3+ 49. Ke4 Re3+ 0-1

[Event "Aegean op 43rd"]
[Site "Aghios Kirykos"]
[Date "2020.07.16"]
[Round "7"]
[White "Banikas, Hristos"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "E95"]
[WhiteElo "2599"]
[BlackElo "2535"]
[PlyCount "19"]
[EventDate "2020.07.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 Nbd7 7. 0-0 e5 8. Re1 Re8 9. Bf1 exd4 10. Nxd4 1/2-1/2

[Event "Aegean op 43rd"]
[Site "Aghios Kirykos"]
[Date "2020.07.15"]
[Round "6"]
[White "Nikolaidis, Ioannis"]
[Black "David, Alberto"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "2535"]
[BlackElo "2526"]
[PlyCount "33"]
[EventDate "2020.07.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Be7 7. 0-0 d6 8. f4 Nc6 9. c3 Nf6 10. Be3 e5 11. f5 g6 12. fxg6 hxg6 13. h3 Be6 14. N1d2 Rc8 15. Rf3 Nb8 16. Qe2 Qc7 17. Raf1 1/2-1/2

[Event "Aegean op 43rd"]
[Site "Aghios Kirykos"]
[Date "2020.07.14"]
[Round "5.1"]
[White "Kotronias, Vasilios"]
[Black "Nikolaidis, Ioannis"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2510"]
[BlackElo "2535"]
[PlyCount "90"]
[EventDate "2020.07.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 a6 4. Bd3 c5 5. dxc5 Bxc5 6. Ngf3 Nc6 7. 0-0 Nge7 8. a3 0-0 9. b4 Ba7 10. Bb2 Ng6 11. e5 Nf4 12. Nb3 f6 13. exf6 e5 14. fxg7 Rf7 15. c4 Bg4 16. cxd5 Nh3+ 17. Kh1 Bxf3 18. gxf3 Nd4 19. Bxd4 exd4 20. Qe2 Nf4 21. Qe4 Nxd3 22. Qxd3 Qxd5 23. Nd2 Rxg7 24. Rg1 Rf8 25. Rxg7+ Kxg7 26. Rg1+ Kh8 27. Rg4 Qf5 28. Qxf5 Rxf5 29. Kg2 a5 30. bxa5 Rxa5 31. Ne4 Rd5 32. Kf1 d3 33. Ke1 Bd4 34. Kd2 Bg7 35. f4 Ra5 36. Rg3 Rxa3 37. Rxd3 Rxd3+ 38. Kxd3 b5 39. Kc2 Bf8 40. Nc3 b4 41. Nd5 Kg7 42. f5 Kh6 43. f4 Bd6 44. h3 Bxf4 45. Nxf4 Kg5 1/2-1/2

