[Event "GRE-chT U16"]
[Site "Thessaloniki"]
[Date "2021.12.19"]
[Round "6.1"]
[White "Kostelidis, Georgios"]
[Black "Tsouchnikas, Orestis"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1272"]
[BlackElo "1713"]
[PlyCount "67"]
[EventDate "2021.12.16"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "GRE"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]
[WhiteTeam "Acharnon"]
[BlackTeam "Kalamarias Han"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. Bf4 d6 3. Nc3 g6 4. e4 Bg7 5. Qd2 0-0 6. 0-0-0 c6 7. Nf3 Nbd7 8. Bh6 b5 9. Bd3 b4 10. Ne2 Qa5 11. Kb1 Nb6 12. Nc1 Be6 13. Bxg7 Kxg7 14. Ng5 Bc4 15. h4 Bxd3 16. Qxd3 Rac8 17. Nb3 Qb5 18. Qxb5 cxb5 19. f3 Nc4 20. Rhe1 a5 21. Nd2 Rfd8 22. Nxc4 bxc4 23. c3 Nh5 24. Nh3 e5 25. g4 Nf6 26. Kc2 h6 27. dxe5 dxe5 28. Rxd8 Rxd8 29. Rd1 Rxd1 30. Kxd1 Nd7 31. Nf2 Kf6 32. Kd2 Ke6 33. Nd1 Kd6 34. Ne3 1/2-1/2

[Event "GRE-chT U16"]
[Site "Thessaloniki"]
[Date "2021.12.18"]
[Round "5.1"]
[White "Sdravopoulos, Periklis"]
[Black "Kostelidis, Georgios"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1480"]
[BlackElo "1272"]
[PlyCount "57"]
[EventDate "2021.12.16"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "GRE"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]
[WhiteTeam "Larisas"]
[BlackTeam "Acharnon"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 g6 6. Be3 c6 7. Bc4 Bg7 8. Qd2 0-0 9. 0-0 Bg4 10. Ne5 Nbd7 11. f4 Nb6 12. Bd3 Bd7 13. Rad1 Nbd5 14. f5 Nxe3 15. Qxe3 Nd5 16. Nxd5 cxd5 17. fxg6 hxg6 18. Rf2 Qc7 19. Rdf1 Bxe5 20. dxe5 Kg7 21. Qg5 Be6 22. Rf6 Qb6+ 23. Kh1 Rh8 24. Rxg6+ Kf8 25. Rg7 Rd8 26. Bg6 Ke8 27. Bxf7+ Kd7 28. Bxe6+ Kc6 29. Qxe7 1-0

[Event "GRE-chT U16"]
[Site "Thessaloniki"]
[Date "2021.12.18"]
[Round "4.1"]
[White "Trapalis, Theodoros"]
[Black "Kostelidis, Georgios"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "1845"]
[BlackElo "1272"]
[PlyCount "39"]
[EventDate "2021.12.16"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "GRE"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]
[WhiteTeam "Peiraikos"]
[BlackTeam "Acharnon"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 Nbd7 7. 0-0 e5 8. Be3 Qe7 9. Qc2 exd4 10. Nxd4 Nc5 11. f3 a5 12. Rad1 Bd7 13. Nb3 Nxb3 14. Qxb3 Bc6 15. Nd5 Qd7 16. Rd2 b6 17. Bg5 Nxd5 18. cxd5 Ba4 19. Qc4 c6 20. Qxa4 1-0

[Event "GRE-chT U16"]
[Site "Thessaloniki"]
[Date "2021.12.17"]
[Round "2.1"]
[White "Kostelidis, Georgios"]
[Black "Kassios, Dimitrios"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1272"]
[BlackElo "1635"]
[PlyCount "118"]
[EventDate "2021.12.16"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "GRE"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]
[WhiteTeam "Acharnon"]
[BlackTeam "Asteres"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 Bd6 5. Bg3 c5 6. c3 Qc7 7. dxc5 Bxg3 8. hxg3 Qxc5 9. Ngf3 Nc6 10. Be2 0-0 11. 0-0 e5 12. Rc1 b5 13. Qc2 Bg4 14. e4 dxe4 15. Nxe4 Nxe4 16. Qxe4 f5 17. Qc2 a6 18. Ne1 Bxe2 19. Qxe2 e4 20. Nc2 Ne5 21. Nd4 Nd3 22. Ne6 Nxc1 23. Rxc1 Qb6 24. Nxf8 Rxf8 25. Rd1 Qe6 26. a3 Re8 27. Qd2 Kf7 28. Qd6 h6 29. Qb4 e3 30. fxe3 Qxe3+ 31. Kh2 Qg5 32. Rd7+ Re7 33. Rxe7+ Qxe7 34. Qf4 Kg6 35. Qd4 Qc7 36. Qf4 Qd8 37. Qe3 Kf6 38. Qf2 Qd6 39. Qe3 g5 40. Qf2 h5 41. Kh3 Kg6 42. Qe3 h4 43. Qe8+ Kg7 44. Qe3 Kf6 45. Qf2 a5 46. Qe3 a4 47. Qf2 hxg3 48. Qxg3 g4+ 49. Kh2 Qxg3+ 50. Kxg3 Ke5 51. Kf2 Ke4 52. Ke2 f4 53. Ke1 Ke3 54. Kf1 f3 55. gxf3 gxf3 56. Ke1 f2+ 57. Kf1 Kf3 58. c4 bxc4 59. b3 axb3 0-1

[Event "GRE-chT U16"]
[Site "Thessaloniki"]
[Date "2021.12.17"]
[Round "3.1"]
[White "Kostelidis, Georgios"]
[Black "Stoimenidis, Dimitrios"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "1272"]
[BlackElo "1968"]
[PlyCount "62"]
[EventDate "2021.12.16"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "GRE"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]
[WhiteTeam "Acharnon"]
[BlackTeam "Aris"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 Be7 5. Nd2 0-0 6. Ngf3 b6 7. Bd3 Bb7 8. Qe2 cxd4 9. exd4 d6 10. 0-0 Nbd7 11. Rfe1 Re8 12. Ng5 Bf8 13. Nge4 e5 14. dxe5 dxe5 15. Bg5 h6 16. Bh4 Be7 17. Nxf6+ Bxf6 18. Bxf6 Nxf6 19. Rad1 Qc7 20. Ba6 Bd5 21. Bc4 Rad8 22. Bxd5 Nxd5 23. Qc4 Qb7 24. Nf3 Nf4 25. Rxd8 Rxd8 26. Rxe5 Rd1+ 27. Re1 Qxf3 28. Qc8+ Kh7 29. Qf5+ Kg8 30. Qc8+ Kh7 31. Qf5+ Kg8 1/2-1/2

[Event "GRE-ch South U14"]
[Site "Athens"]
[Date "2020.09.03"]
[Round "9"]
[White "Kostelidis, Georgios"]
[Black "Asvestas, Emmanouil"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1306"]
[BlackElo "1579"]
[PlyCount "23"]
[EventDate "2020.08.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 e5 7. Re1 Nge7 8. c3 0-0 9. Nbd2 h6 10. a4 Be6 11. Nc4 Qd7 12. Ncd2 0-1

[Event "GRE-ch South U14"]
[Site "Athens"]
[Date "2020.09.02"]
[Round "8"]
[White "Ziomas, Konstantinos Dimitr"]
[Black "Kostelidis, Georgios"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1311"]
[BlackElo "1306"]
[PlyCount "37"]
[EventDate "2020.08.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 c6 6. Ne5 Bf5 7. g4 Be6 8. Bf4 Bxg4 9. f3 Bf5 10. Bc4 Be6 11. Ng6 Qb4 12. Bxe6 hxg6 13. Bb3 e6 14. Qd3 Nd5 15. Bd2 Qb6 16. Nxd5 cxd5 17. c4 dxc4 18. Qxc4 Qc6 19. Ba4 1-0

[Event "GRE-ch South U14"]
[Site "Athens"]
[Date "2020.08.31"]
[Round "6"]
[White "Kostelidis, Georgios"]
[Black "Moutaftsis, Efstratios"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1306"]
[PlyCount "97"]
[EventDate "2020.08.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Bf5 3. e3 Nc6 4. c4 e6 5. a3 Nf6 6. Nc3 Bd6 7. Bg5 h6 8. Bxf6 Qxf6 9. cxd5 exd5 10. Nxd5 Qe6 11. Bc4 Qg6 12. Nf3 Bg4 13. h3 Bf5 14. Nh4 Qg5 15. Nxf5 Qxf5 16. 0-0 0-0 17. Qd3 Qg5 18. f4 Qh5 19. e4 Ne7 20. e5 Nxd5 21. Bxd5 c6 22. Bxc6 bxc6 23. exd6 Rfd8 24. Qf3 Qxf3 25. Rxf3 Rxd6 26. Rd1 c5 27. d5 c4 28. Rc3 Rc8 29. b3 Rc5 30. bxc4 Kf8 31. Rb1 Rd7 32. Kf2 Ke7 33. Ke3 Rdxd5 34. Rb7+ Kf6 35. Rxa7 Rd1 36. Ra6+ Ke7 37. Ra7+ Kf6 38. Rd3 Rxd3+ 39. Kxd3 Ke6 40. Kd4 Rc8 41. f5+ Kd6 42. Ra6+ Ke7 43. c5 f6 44. Kd5 Rc7 45. Re6+ Kd7 46. c6+ Kd8 47. Kd6 Ra7 48. c7+ Rxc7 49. Re8+ 1-0

[Event "GRE-ch South U14"]
[Site "Athens"]
[Date "2020.08.31"]
[Round "5"]
[White "Misailidis, Matthaios"]
[Black "Kostelidis, Georgios"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1303"]
[BlackElo "1306"]
[PlyCount "134"]
[EventDate "2020.08.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. g3 Bg4 6. Bg2 c6 7. 0-0 e6 8. d3 Qc7 9. Re1 Nbd7 10. Bf4 Bd6 11. Bxd6 Qxd6 12. Qd2 0-0 13. Ne4 Qc7 14. Nxf6+ Nxf6 15. h3 Bxf3 16. Bxf3 Rfd8 17. Rad1 Rd7 18. Qc3 Nd5 19. Qb3 Rad8 20. Bg2 Nb6 21. Re2 c5 22. Qc3 Nd5 23. Bxd5 Rxd5 24. Re4 b5 25. a3 c4 26. d4 Qd6 27. f4 f6 28. Rde1 Qb6 29. Rxe6 Qxd4+ 30. Qxd4 Rxd4 31. Re8+ Rxe8 32. Rxe8+ Kf7 33. Re2 h5 34. Kg2 h4 35. c3 Rd7 36. gxh4 Kg6 37. Rf2 Kh5 38. Kg3 Rd3+ 39. Rf3 Rxf3+ 40. Kxf3 Kxh4 41. Kg2 g5 42. fxg5 fxg5 43. Kh2 g4 44. hxg4 Kxg4 45. Kg2 a6 46. Kf2 Kf4 47. Ke2 Ke4 48. Kd2 Kf3 49. Kd1 Ke3 50. Kc2 Ke2 51. Kb1 Kd1 52. Ka2 Kc2 53. a4 bxa4 54. Ka3 a5 55. Ka2 Kc1 56. Ka1 a3 57. bxa3 Kc2 58. a4 Kxc3 59. Ka2 Kd2 60. Kb1 c3 61. Ka2 c2 62. Kb2 c1Q+ 63. Ka2 Qc2+ 64. Ka3 Qc3+ 65. Ka2 Qb4 66. Ka1 Kc2 67. Ka2 Qb2# 0-1

[Event "GRE-ch South U14"]
[Site "Athens"]
[Date "2020.08.30"]
[Round "4"]
[White "Kostelidis, Georgios"]
[Black "Toumpezoglou, Dimitrios"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1306"]
[BlackElo "1177"]
[PlyCount "94"]
[EventDate "2020.08.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nf6 4. c3 Qb6 5. Qb3 c4 6. Qc2 Nc6 7. Nd2 e6 8. e4 Nxe4 9. Nxe4 dxe4 10. Bxc4 Na5 11. Be2 Nc6 12. b3 f5 13. Nh3 Ne7 14. 0-0 Ng6 15. Be3 Qd6 16. Bh5 Qc7 17. Nf4 Bd6 18. g3 Kf7 19. c4 Kf6 20. c5 Nxf4 21. Bxf4 Bxf4 22. gxf4 Qxf4 23. Qc1 Qxc1 24. Rfxc1 Bd7 25. a4 a5 26. Be2 Bc6 27. Bb5 g5 28. Bxc6 bxc6 29. Rc4 Rhb8 30. Rb1 Rb7 31. b4 axb4 32. Rcxb4 Rxb4 33. Rxb4 h5 34. Rc4 f4 35. Kf1 g4 36. Kg2 Kg5 37. Kf1 h4 38. Kg2 f3+ 39. Kf1 Rb8 40. Rc1 Rb4 41. Ra1 Kf4 42. a5 g3 43. fxg3+ hxg3 44. hxg3+ Kxg3 45. a6 Rb8 46. a7 Rh8 47. Kg1 f2+ 0-1

[Event "GRE-ch South U14"]
[Site "Athens"]
[Date "2020.08.29"]
[Round "3"]
[White "Minadakis, Andreas Marios"]
[Black "Kostelidis, Georgios"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1514"]
[BlackElo "1306"]
[PlyCount "16"]
[EventDate "2020.08.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qd7 3. d6 Qxd6 4. Nc3 Nf6 5. d4 a6 6. Nf3 Bg4 7. Bd3 Nc6 8. 0-0 Ne4 1-0

[Event "GRE-ch South U14"]
[Site "Athens"]
[Date "2020.08.28"]
[Round "1"]
[White "Trapalis, Theodoros"]
[Black "Kostelidis, Georgios"]
[Result "1-0"]
[ECO "E09"]
[WhiteElo "1568"]
[BlackElo "1306"]
[PlyCount "53"]
[EventDate "2020.08.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 Be7 6. Qc2 0-0 7. 0-0 Nbd7 8. Nbd2 b6 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Bb7 12. Rd1 Nf6 13. Qe2 Qc7 14. Bf4 Bd6 15. Ne5 Rfd8 16. c5 Bxe5 17. Bxe5 Qe7 18. Bd6 Rxd6 19. cxd6 Qxd6 20. Qe5 Qe7 21. Rac1 Rc8 22. Rc2 Nd7 23. Qe3 Ba8 24. Rdc1 c5 25. dxc5 Bxg2 26. Kxg2 Nxc5 27. b4 1-0

[Event "EU-ch U12"]
[Site "Bratislava"]
[Date "2019.08.10"]
[Round "9"]
[White "Omarsson, Adam"]
[Black "Kostelidis, Georgios"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1279"]
[BlackElo "1477"]
[PlyCount "84"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Be7 5. Nbd2 c5 6. c3 Bd6 7. Bg3 Qc7 8. Bd3 Nbd7 9. Qe2 0-0 10. e4 e5 11. exd5 exd4 12. 0-0 dxc3 13. bxc3 Nxd5 14. Qe4 N7f6 15. Bxd6 Qxd6 16. Qc4 Be6 17. Ne4 Nxe4 18. Qxe4 Nf6 19. Qe3 Rfe8 20. Rfd1 Qc7 21. Qg5 h6 22. Qg3 Qxg3 23. hxg3 c4 24. Bf1 b5 25. Rab1 Ne4 26. Rdc1 a6 27. Nd4 Rad8 28. Rb2 Bc8 29. Re2 Bb7 30. Rce1 Kf8 31. Nf5 g6 32. Nxh6 Nxc3 33. Rxe8+ Rxe8 34. Rxe8+ Kxe8 35. Ng4 Nxa2 36. Ne3 Be4 37. Be2 c3 38. Bd1 Nb4 39. Kf1 c2 40. Nxc2 Bxc2 41. Ke2 Bxd1+ 42. Kxd1 a5 0-1

[Event "EU-ch U12"]
[Site "Bratislava"]
[Date "2019.08.09"]
[Round "8"]
[White "Soucek, Jan"]
[Black "Kostelidis, Georgios"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "1627"]
[BlackElo "1477"]
[PlyCount "87"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 c6 5. g3 Be7 6. Bg2 Nbd7 7. 0-0 0-0 8. Nd2 b6 9. e4 dxe4 10. Ndxe4 Bb7 11. f4 Qc7 12. Be3 Rfd8 13. Qe2 Rac8 14. Rad1 c5 15. d5 exd5 16. cxd5 Nxe4 17. Nxe4 Nf6 18. d6 Bxd6 19. Nxf6+ gxf6 20. f5 Bxg2 21. Kxg2 Qc6+ 22. Kh3 b5 23. b3 a5 24. Bh6 Bf8 25. Rxd8 Rxd8 26. Bc1 c4 27. Rf4 c3 28. Rg4+ Kh8 29. Rh4 Bg7 30. Qh5 Kg8 31. Rg4 Kh8 32. Qxf7 Qd7 33. Rxg7 Qxf7 34. Rxf7 Rd1 35. Bh6 Rd8 36. Rc7 b4 37. Kg4 Kg8 38. Rg7+ Kh8 39. Rf7 c2 40. Rc7 Rd4+ 41. Kf3 Rd3+ 42. Ke4 Rc3 43. Rxc3 bxc3 44. Kd3 1-0

[Event "EU-ch U12"]
[Site "Bratislava"]
[Date "2019.08.08"]
[Round "7"]
[White "Kostelidis, Georgios"]
[Black "Radaca, Nasir"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1477"]
[BlackElo "1697"]
[PlyCount "50"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. Qd2 a6 5. 0-0-0 Bg7 6. f3 b5 7. e3 Nbd7 8. Nge2 Nb6 9. Ng3 0-0 10. e4 dxe4 11. fxe4 Bb7 12. Bh6 e6 13. h4 Qe7 14. Bxg7 Kxg7 15. h5 b4 16. hxg6 fxg6 17. e5 bxc3 18. exf6+ Rxf6 19. Qxc3 Raf8 20. Qe3 Rf4 21. Rh2 Nd5 22. Qb3 Qg5 23. Kb1 Nb6 24. Qc3 Nd5 25. Qb3 Nb6 1/2-1/2

[Event "EU-ch U12"]
[Site "Bratislava"]
[Date "2019.08.07"]
[Round "6"]
[White "Rakovsky, Jakub"]
[Black "Kostelidis, Georgios"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1765"]
[BlackElo "1477"]
[PlyCount "81"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. g3 Bg4 7. Bg2 c6 8. 0-0 e6 9. Bf4 Qd8 10. Qd2 Bxf3 11. Bxf3 Be7 12. Rfe1 0-0 13. Rad1 Nbd7 14. g4 Nd5 15. Bg3 Bg5 16. Qd3 Bf4 17. Kg2 Bxg3 18. hxg3 Qg5 19. Rh1 g6 20. Ne4 Qe7 21. Qd2 f6 22. Rde1 Rad8 23. c4 N5b6 24. Qc2 e5 25. c5 Nd5 26. Nd6 b6 27. Qc4 bxc5 28. Nb7 N7b6 29. Qxa6 cxd4 30. Nxd8 Qxd8 31. Qb7 Qd7 32. Qxd7 Nxd7 33. Rc1 f5 34. Rxc6 e4 35. Bd1 e3 36. Bb3 N7f6 37. Rd6 e2 38. Bxd5+ Nxd5 39. Rxd5 fxg4 40. Rxd4 Rb8 41. Rd2 1-0

[Event "EU-ch U12"]
[Site "Bratislava"]
[Date "2019.08.06"]
[Round "5"]
[White "Kostelidis, Georgios"]
[Black "Wahlgreen, Noah Krug"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1477"]
[BlackElo "1779"]
[PlyCount "70"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. e4 d6 5. Qd2 0-0 6. 0-0-0 Re8 7. Nf3 c6 8. Bh6 Bh8 9. h4 b5 10. e5 Ng4 11. Bf4 Bf5 12. exd6 exd6 13. d5 b4 14. Nb1 Qf6 15. c3 Bxb1 16. Bg5 bxc3 17. Qxc3 Qxc3+ 18. bxc3 Nxf2 19. Bc4 Nxh1 20. Rxh1 Bf5 21. h5 Bxc3 22. hxg6 hxg6 23. Nd2 a5 24. Kd1 cxd5 25. Bxd5 Ra7 26. g4 Bxg4+ 27. Kc2 Rc7 28. Nc4 Bg7 29. Kd3 Rc5 30. Bxf7+ Kxf7 31. Nxd6+ Kf8 32. Bh4 Rc3+ 33. Kd2 Re2+ 34. Kd1 Rh2+ 35. Ke1 Rc1# 0-1

[Event "EU-ch U12"]
[Site "Bratislava"]
[Date "2019.08.05"]
[Round "4"]
[White "Lup, Constantin Ionel"]
[Black "Kostelidis, Georgios"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1739"]
[BlackElo "1477"]
[PlyCount "74"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bf4 c6 6. e3 0-0 7. Qc2 Nbd7 8. Bd3 dxc4 9. Bxc4 b5 10. Bd3 a5 11. 0-0 b4 12. Ne4 Ba6 13. Nxf6+ Nxf6 14. Ne5 Bxd3 15. Qxd3 c5 16. Nc6 Qd7 17. Nxe7+ Qxe7 18. dxc5 Qxc5 19. Bd6 Rfd8 20. Bxc5 Rxd3 21. Rfd1 Rad8 22. Rxd3 Rxd3 23. Rc1 Nd7 24. Be7 f6 25. Bd8 a4 26. Ba5 b3 27. a3 Ne5 28. Kf1 Rd5 29. Bc3 Nc4 30. Ke2 e5 31. e4 Rd7 32. f4 exf4 33. Bxf6 Rd2+ 34. Ke1 gxf6 35. Rxc4 Rxb2 36. Rxa4 Rxg2 37. Rb4 b2 0-1

[Event "EU-ch U12"]
[Site "Bratislava"]
[Date "2019.08.04"]
[Round "3"]
[White "Kostelidis, Georgios"]
[Black "Volpi, Alessandro"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1477"]
[BlackElo "1196"]
[PlyCount "29"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. e4 d6 5. Qd2 Nbd7 6. 0-0-0 c5 7. Nf3 Qb6 8. Bh6 Bxh6 9. Qxh6 Rg8 10. Bc4 Qb4 11. Be2 e5 12. dxe5 dxe5 13. Rd2 a5 14. Bb5 b6 15. a3 1-0

[Event "EU-ch U12"]
[Site "Bratislava"]
[Date "2019.08.03"]
[Round "2"]
[White "Gudmundsson, Gunnar Erik"]
[Black "Kostelidis, Georgios"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "1746"]
[BlackElo "1477"]
[PlyCount "64"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Qc2 Be7 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 a6 10. 0-0 Bb7 11. e4 c5 12. e5 Nd5 13. Nxd5 Bxd5 14. Be4 cxd4 15. Bxd5 exd5 16. Qc6 0-0 17. Qxd5 Nb6 18. Qxd4 Qxd4 19. Nxd4 Rac8 20. Nf5 Bb4 21. a3 g6 22. Nh6+ Kg7 23. axb4 Rxc1 24. Rfxc1 Kxh6 25. Rxa6 Nc4 26. g3 Nxe5 27. Rc5 Nd3 28. Rxb5 Nxb2 29. Rb7 Nd3 30. Rd6 Ne5 31. b5 Nf3+ 32. Kg2 Ne1+ 1-0

[Event "EU-ch U12"]
[Site "Bratislava"]
[Date "2019.08.02"]
[Round "1"]
[White "Kostelidis, Georgios"]
[Black "Labruyere, Roger"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1477"]
[BlackElo "1909"]
[PlyCount "68"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. Qd2 Bg7 5. 0-0-0 c6 6. f3 b5 7. e4 0-0 8. e5 Nfd7 9. Bh6 b4 10. Nce2 a5 11. h4 Bh8 12. Bxf8 Nxf8 13. f4 e6 14. Nf3 Qc7 15. g4 Bg7 16. Ng3 c5 17. dxc5 Qxc5 18. h5 Nfd7 19. hxg6 hxg6 20. Bd3 Nc6 21. Rde1 Ba6 22. Bxa6 Rxa6 23. Ng5 a4 24. Qe3 Nd4 25. Rh2 b3 26. c3 bxa2 27. Kd2 Nb3+ 28. Ke2 Qxe3+ 29. Kxe3 a1Q 30. Rxa1 Nxa1 31. Rd2 Nb3 32. Rd1 Nb6 33. Ne2 Nc4+ 34. Kf2 Nxb2 0-1

[Event "GRE-ch U12"]
[Site "Rio Achaia"]
[Date "2018.07.09"]
[Round "9"]
[White "Christodoulou, Panormitis"]
[Black "Kostelidis, Georgios"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "1460"]
[BlackElo "1235"]
[PlyCount "131"]
[EventDate "2018.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. 0-0 e6 5. d3 h6 6. c4 Be7 7. Nc3 c6 8. Nd2 0-0 9. e4 Bh7 10. Re1 Re8 11. cxd5 exd5 12. exd5 cxd5 13. d4 Nc6 14. Nf1 Nb4 15. Ne3 Rc8 16. Re2 Bf8 17. a3 Nc6 18. Nexd5 Rxe2 19. Nxf6+ Qxf6 20. Nxe2 Na5 21. b4 Bc2 22. Qe1 Nb3 23. Ra2 Nxd4 24. Nxd4 Qxd4 25. Bxb7 Rc7 26. Qd2 Qg4 27. Rxc2 Rxb7 28. Qe2 Qd4 29. Rc8 Qd7 30. Qc2 Qg4 31. Qc5 Re7 32. Qxe7 Qxc8 33. Qe3 Qc2 34. Qd2 Qb1 35. Qb2 Qd3 36. Qd2 Qb1 37. Kg2 Qe4+ 38. f3 Qc4 39. Kf2 Qc6 40. Bb2 Qb6+ 41. Qe3 Qc6 42. Bd4 Qc2+ 43. Qe2 Qc7 44. Qa6 Qc2+ 45. Qe2 Qc7 46. Qa6 Qc2+ 47. Qe2 Qc7 48. Be3 Qc3 49. Qa2 a5 50. bxa5 Qxa5 51. a4 Bb4 52. Qc2 Bc3 53. Qd3 Be1+ 54. Ke2 Bc3 55. Qb5 Qd8 56. Qd3 Qa5 57. Qb5 Qd8 58. Qc4 Qa5 59. Qc8+ Kh7 60. Qd7 Qa6+ 61. Qd3+ Qxd3+ 62. Kxd3 Ba5 63. Bd2 Bb6 64. a5 Bg1 65. Be3 Bxh2 66. Bf2 1-0

[Event "GRE-ch U12"]
[Site "Rio Achaia"]
[Date "2018.07.08"]
[Round "8"]
[White "Kostelidis, Georgios"]
[Black "Asvestas, Emmanouil"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1235"]
[BlackElo "1409"]
[PlyCount "64"]
[EventDate "2018.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. c3 Nc6 4. e3 Qb6 5. Qb3 c4 6. Qc2 Bf5 7. Qc1 Nf6 8. Nd2 Qd8 9. b3 b5 10. a4 a6 11. b4 e6 12. a5 Bd6 13. Bg3 Bxg3 14. hxg3 Qe7 15. Ngf3 h6 16. Be2 e5 17. dxe5 Nxe5 18. Nxe5 Qxe5 19. Nf3 Qe4 20. 0-0 Bg4 21. Qd2 Bxf3 22. Bxf3 Qe6 23. Rad1 0-0-0 24. Qd4 Kb8 25. Qc5 Ne4 26. Qd4 Qf6 27. Qxf6 Nxf6 28. Rd4 Rd7 29. Rfd1 Rhd8 30. e4 dxe4 31. Rxd7 Nxd7 32. Bxe4 Kc7 1/2-1/2

[Event "GRE-ch U12"]
[Site "Rio Achaia"]
[Date "2018.07.07"]
[Round "7"]
[White "Panagopoulos, Panagiotis"]
[Black "Kostelidis, Georgios"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1194"]
[BlackElo "1235"]
[PlyCount "97"]
[EventDate "2018.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. h3 e6 7. Bd3 Nbd7 8. 0-0 Be7 9. Ne4 Nxe4 10. Bxe4 Nf6 11. Bd3 0-0 12. c3 b5 13. Ne5 Bb7 14. Bf4 Qd5 15. Qf3 Qxf3 16. Nxf3 Bxf3 17. gxf3 Rac8 18. a4 Nd5 19. Bh2 Rb8 20. axb5 axb5 21. Ra5 Bd6 22. Bxb5 Bxh2+ 23. Kxh2 Rb6 24. Bc4 Nf4 25. b3 e5 26. Rxe5 Rh6 27. h4 Rxh4+ 28. Kg3 Ng6 29. Rc5 Rc8 30. Ra1 Rf4 31. Ra7 h5 32. Rxh5 Rf6 33. Rc5 c6 34. Ra6 Ne7 35. d5 Rf5 36. Raa5 Nxd5 37. Bxd5 Rxd5 38. c4 Rd3 39. b4 Rb8 40. b5 cxb5 41. Raxb5 Rbd8 42. Rd5 R3xd5 43. Rxd5 Rc8 44. c5 Kf8 45. Kf4 Ke7 46. Ke5 Rc6 47. Kd4 Rf6 48. Ke4 Rc6 49. Kd4 1/2-1/2

[Event "GRE-ch U12"]
[Site "Rio Achaia"]
[Date "2018.07.06"]
[Round "5"]
[White "Farsaris, Michail"]
[Black "Kostelidis, Georgios"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1095"]
[BlackElo "1235"]
[PlyCount "71"]
[EventDate "2018.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. g3 Bg4 7. Bg2 c6 8. Bf4 Qd8 9. 0-0 e6 10. Re1 Bxf3 11. Bxf3 Bd6 12. Bxd6 Qxd6 13. Ne4 Nxe4 14. Bxe4 0-0 15. c3 Nd7 16. Bc2 Rad8 17. Qd3 Nf6 18. Rad1 Rd7 19. Qe2 Rfd8 20. Qf3 Qd5 21. Qxd5 Rxd5 22. f3 Nd7 23. Bb3 Rd6 24. Re2 Nb6 25. Rde1 Nd5 26. Bxd5 Rxd5 27. Re5 Rxe5 28. Rxe5 b6 29. Kf2 Kf8 30. Ke2 Ke7 31. f4 g6 32. Re3 Rd5 33. Re5 f6 34. Rxd5 exd5 35. Ke3 f5 36. Kf3 1/2-1/2

[Event "GRE-ch U12"]
[Site "Rio Achaia"]
[Date "2018.07.06"]
[Round "6"]
[White "Kostelidis, Georgios"]
[Black "Spyratos, Iason"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1235"]
[PlyCount "49"]
[EventDate "2018.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Nd2 Be7 5. Bd3 c5 6. c3 c4 7. Bc2 0-0 8. Ngf3 Nbd7 9. Ne5 Nxe5 10. dxe5 Nd7 11. Qh5 f5 12. exf6 Nxf6 13. Qf3 Qb6 14. Rb1 Nd7 15. Qg3 Bf6 16. Nf3 Nc5 17. Qh3 Ne4 18. Ne5 Bxe5 19. Bxe5 h6 20. Qg4 Nf6 21. Qg6 Qd8 22. g4 Qe7 23. Rg1 Qf7 24. g5 Nd7 25. Qh7# 1-0

[Event "GRE-ch U12"]
[Site "Rio Achaia"]
[Date "2018.07.05"]
[Round "4"]
[White "Kostelidis, Georgios"]
[Black "Koutras, Konstantinos"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1235"]
[BlackElo "1148"]
[PlyCount "109"]
[EventDate "2018.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 Nc6 5. Nd2 Bf5 6. Ngf3 e6 7. Be2 Be7 8. Nh4 0-0 9. Nxf5 exf5 10. Bd3 g6 11. Bh6 Re8 12. Nf3 cxd4 13. cxd4 Qb6 14. Qb3 Qxb3 15. axb3 Bd6 16. 0-0 a6 17. Bg5 Ne4 18. Bh4 Be7 19. Bxe7 Rxe7 20. Rfc1 Ree8 21. Bxa6 Rxa6 22. Rxa6 bxa6 23. Rxc6 Rb8 24. Rxa6 Rxb3 25. Ra2 Nc3 26. Nd2 Nxa2 27. Nxb3 Kf8 28. Kf1 Nb4 29. Nc5 Nc2 30. Ke2 f4 31. Kd2 fxe3+ 32. fxe3 Nb4 33. Kc3 Nc6 34. b4 Ke7 35. b5 Nb8 36. Na6 Nd7 37. Kb4 Kd8 38. Ka5 f5 39. Nb4 Kc7 40. Nxd5+ Kb7 41. Ne7 Nf6 42. d5 Ng4 43. d6 Nxe3 44. d7 Kc7 45. b6+ Kxd7 46. b7 Kc7 47. Ka6 Nxg2 48. Ka7 f4 49. b8Q+ Kd7 50. Qb7+ Ke6 51. Qxg2 Kxe7 52. Qe4+ Kf6 53. Qxf4+ Kg7 54. h4 Kh8 55. Qf8# 1-0

[Event "GRE-ch U12"]
[Site "Rio Achaia"]
[Date "2018.07.04"]
[Round "3"]
[White "Ikonomou, Theodoros"]
[Black "Kostelidis, Georgios"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1129"]
[BlackElo "1235"]
[PlyCount "61"]
[EventDate "2018.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. g3 Nf6 5. Bg2 c6 6. d4 Bg4 7. Nf3 e6 8. 0-0 Be7 9. a3 0-0 10. Re1 Bxf3 11. Bxf3 Nd5 12. Nxd5 cxd5 13. Bf4 Qc6 14. Qd3 Nd7 15. Rac1 Nb6 16. Qb3 Nc4 17. Be2 Rfd8 18. Rcd1 Bf6 19. c3 b5 20. Qa2 a5 21. Rc1 a4 22. Bd3 g5 23. Bxc4 dxc4 24. Be5 Bxe5 25. Rxe5 f6 26. Re3 Kf7 27. Qb1 Rh8 28. Qe4 Qxe4 29. Rxe4 h5 30. Rce1 Rae8 31. h3 1/2-1/2

[Event "GRE-ch U12"]
[Site "Rio Achaia"]
[Date "2018.07.04"]
[Round "2"]
[White "Kostelidis, Georgios"]
[Black "Spyropoulos, Panagiotis"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1235"]
[BlackElo "1007"]
[PlyCount "144"]
[EventDate "2018.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. c3 Nc6 4. e3 a5 5. Bb5 e6 6. Qa4 Qb6 7. Nf3 Nf6 8. Ne5 Bd7 9. Nxd7 Nxd7 10. Bxc6 Qxc6 11. Qxc6 bxc6 12. Nd2 cxd4 13. exd4 c5 14. 0-0 Be7 15. Nf3 0-0 16. Rac1 a4 17. Rfe1 Nb6 18. Ne5 Bd6 19. Nd7 Bxf4 20. Nxb6 Bxc1 21. Nxa8 Bxb2 22. dxc5 Rxa8 23. c4 dxc4 24. c6 h6 25. Re4 c3 26. Rc4 c2 27. Rxc2 Be5 28. g3 Kf8 29. Rc4 Rc8 30. Rxa4 Rxc6 31. Ra8+ Ke7 32. a4 Bd4 33. a5 Rc7 34. Rb8 Ra7 35. Rb4 Bc3 36. Rg4 Rxa5 37. Rc4 Ra1+ 38. Kg2 Rc1 39. Rc7+ Kf6 40. h4 Bd2 41. Rd7 Bb4 42. Rb7 Be7 43. Rd7 Rc6 44. Rd4 Rc5 45. g4 Ke5 46. Rd7 Bxh4 47. Rxf7 Ke4 48. Rxg7 Rg5 49. Rf7 Rxg4+ 50. Kh3 Rf4 51. Rh7 Bxf2 52. Rxh6 Rh4+ 53. Rxh4+ Bxh4 54. Kxh4 Kf4 55. Kh3 Kf3 56. Kh2 Kf2 57. Kh3 e5 58. Kg4 Ke3 59. Kg3 e4 60. Kg2 Kd2 61. Kf2 e3+ 62. Kg2 e2 63. Kf3 e1Q 64. Kf4 Qe2 65. Kf5 Qe3 66. Kf6 Qe4 67. Kf7 Qe5 68. Kg6 Qf4 69. Kg7 Qf5 70. Kh8 Qg5 71. Kh7 Ke3 72. Kh8 Ke4 0-1

[Event "GRE-ch U12"]
[Site "Rio Achaia"]
[Date "2018.07.03"]
[Round "1"]
[White "Spyratos, Nikolaos"]
[Black "Kostelidis, Georgios"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1710"]
[BlackElo "1235"]
[PlyCount "97"]
[EventDate "2018.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 Bg4 4. Be2 Nc6 5. h3 Bxf3 6. Bxf3 Qe5+ 7. Kf1 Nd4 8. c3 Nxf3 9. Qxf3 Qb5+ 10. Qe2 Qxe2+ 11. Kxe2 0-0-0 12. d4 Nf6 13. Nd2 e6 14. Nf3 Bd6 15. Bg5 Be7 16. Ne5 Rhf8 17. Rhe1 h6 18. Bxf6 Bxf6 19. Nf3 Rfe8 20. Kf1 Rd5 21. Re2 e5 22. Rae1 g6 23. dxe5 Bg7 24. e6 fxe6 25. Rxe6 Rxe6 26. Rxe6 Rd6 27. Rxd6 cxd6 28. Ke2 Kd7 29. Nh4 g5 30. Nf5 Bf8 31. Kf3 Ke6 32. g4 Ke5 33. Nd4 d5 34. Nb3 b6 35. Nd4 a5 36. Nf5 h5 37. Ne3 h4 38. Nc2 Bc5 39. Ne1 d4 40. c4 d3 41. Nxd3+ Kd4 42. Nxc5 bxc5 43. Ke2 Kxc4 44. f4 gxf4 45. g5 Kd5 46. Kf3 c4 47. Kxf4 a4 48. a3 Ke6 49. Kg4 1-0

[Event "GRE-ch U10"]
[Site "Achaia"]
[Date "2017.07.02"]
[Round "9"]
[White "Kostelidis, Georgios"]
[Black "Liamos, Evangelos"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1347"]
[BlackElo "1169"]
[PlyCount "96"]
[EventDate "2017.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 0-0 5. h3 d6 6. Be2 Nbd7 7. 0-0 c6 8. c4 e5 9. dxe5 Ne4 10. Qd4 dxe5 11. Nxe5 Nxe5 12. Bxe5 Bxe5 13. Qxe5 Re8 14. Qd4 Qg5 15. h4 Qxh4 16. f3 c5 17. Qd5 Ng3 18. Re1 Bh3 19. gxh3 Qxh3 20. f4 Rxe3 21. Nc3 Rae8 22. Qg2 Qe6 23. Nd5 Rxe2 24. Nc7 Rxg2+ 25. Kxg2 Qc6+ 26. Kxg3 Rxe1 27. Rxe1 Qxc7 28. Re8+ Kg7 29. Re5 Qb6 30. b3 Qa5 31. Re7 Qc3+ 32. Kg4 Qb2 33. Kg3 Qxa2 34. Rxb7 Kf6 35. Rb5 Qb1 36. Kg2 Qe4+ 37. Kg3 Qe3+ 38. Kg4 h5+ 39. Kh4 Qxf4+ 40. Kh3 Qg4+ 41. Kh2 h4 42. Ra5 Qg3+ 43. Kh1 Qe1+ 44. Kh2 Qxa5 45. Kh3 Qe1 46. Kh2 Qg3+ 47. Kh1 h3 48. b4 Qg2# 0-1

[Event "GRE-ch U10"]
[Site "Achaia"]
[Date "2017.07.01"]
[Round "8"]
[White "Dristellas, Neoklis"]
[Black "Kostelidis, Georgios"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1150"]
[BlackElo "1347"]
[PlyCount "64"]
[EventDate "2017.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. Bd3 b5 7. a3 Bb7 8. 0-0 e6 9. h3 Be7 10. Re1 Nbd7 11. Be3 0-0 12. Rb1 c5 13. dxc5 Nxc5 14. Be2 Rfd8 15. Qxd6 Bxd6 16. Red1 Rac8 17. Rbc1 Nce4 18. Nxe4 Nxe4 19. Bb6 Re8 20. Bd3 Bf4 21. Rb1 Nc5 22. Bxc5 Rxc5 23. Ne1 Rec8 24. g3 Bg5 25. Ng2 Bf3 26. Rf1 Rd5 27. Kh2 Rcd8 28. g4 Rd4 29. Rfe1 Bd2 30. Rf1 Bg5 31. Rfe1 Bd2 32. Rf1 Bg5 1/2-1/2

[Event "GRE-ch U10"]
[Site "Achaia"]
[Date "2017.06.30"]
[Round "7"]
[White "Kostelidis, Georgios"]
[Black "Tsourekas, Kyriakos"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1347"]
[BlackElo "1210"]
[PlyCount "80"]
[EventDate "2017.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. Nf3 c6 5. c4 e6 6. Nc3 Bb4 7. Qb3 Bxc3+ 8. bxc3 Qb6 9. c5 Qxb3 10. axb3 0-0 11. Be2 Ne4 12. c4 h6 13. 0-0 Nc3 14. Rfe1 Nd7 15. Ne5 Nxe5 16. Bxe5 b6 17. Bd6 Rfd8 18. Bc7 Rdc8 19. cxb6 axb6 20. Rxa8 Rxa8 21. Bf1 b5 22. Rc1 Ne4 23. cxb5 cxb5 24. Bxb5 Rc8 25. Bd7 Ra8 26. f3 Nf6 27. Bc6 Rc8 28. Bb7 Re8 29. Be5 Rd8 30. Bxf6 gxf6 31. Rc8 Rxc8 32. Bxc8 Kf8 33. Kf2 Ke7 34. Ke2 Kd8 35. Ba6 Kc7 36. Bd3 Bg6 37. Bxg6 fxg6 38. Kd3 f5 39. e4 g5 40. exf5 exf5 1-0

[Event "GRE-ch U10"]
[Site "Achaia"]
[Date "2017.06.29"]
[Round "5"]
[White "Kostelidis, Georgios"]
[Black "Aleiferis, Ioannis"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1347"]
[BlackElo "1107"]
[PlyCount "66"]
[EventDate "2017.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 0-0 5. h3 d6 6. Be2 Nbd7 7. 0-0 c6 8. c4 Qe8 9. Bh2 e5 10. Nc3 Qe7 11. c5 dxc5 12. dxe5 Ne8 13. Bf4 Nxe5 14. Nxe5 Bxe5 15. Bxe5 Qxe5 16. Qb3 Nd6 17. Rad1 Be6 18. Qc2 Rad8 19. Rd2 Nc4 20. Rxd8 Rxd8 21. Rd1 Rxd1+ 22. Qxd1 Nxb2 23. Qc2 Nc4 24. Ne4 b5 25. Bxc4 Bxc4 26. Nc3 b4 27. Nb1 Qd5 28. a3 Qd3 29. Qc1 b3 30. Nd2 Qc2 31. Qxc2 bxc2 32. Nxc4 c1Q+ 33. Kh2 Qxc4 0-1

[Event "GRE-ch U10"]
[Site "Achaia"]
[Date "2017.06.29"]
[Round "6"]
[White "Prodromakis, Charalampos"]
[Black "Kostelidis, Georgios"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "1347"]
[PlyCount "68"]
[EventDate "2017.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. g3 Bg4 7. Bg2 c6 8. 0-0 e6 9. Bf4 Qd8 10. a4 Nbd7 11. h3 Bxf3 12. Bxf3 Be7 13. Re1 0-0 14. Ne4 Nb6 15. c3 Nfd5 16. Bd2 Qd7 17. Qc2 Rfd8 18. Ng5 Nf6 19. Re4 Nxe4 20. Qxe4 Bxg5 21. Bxg5 Re8 22. a5 Nc4 23. b3 Nd6 24. Qg4 Nf5 25. Bf6 Kf8 26. Be5 Qe7 27. Qf4 f6 28. Bc7 g5 29. Qe4 Qxc7 30. g4 Nh4 31. Re1 Qf4 32. Qxf4 gxf4 33. Be4 f5 34. Bd3 Nf3+ 0-1

[Event "GRE-ch U10"]
[Site "Achaia"]
[Date "2017.06.28"]
[Round "4"]
[White "Spyratos, Iason"]
[Black "Kostelidis, Georgios"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "1347"]
[PlyCount "32"]
[EventDate "2017.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. Be2 b5 7. 0-0 Bb7 8. Re1 Nbd7 9. Bg5 e6 10. Qd2 Be7 11. Rad1 0-0 12. a4 b4 13. Nb1 Qc6 14. b3 Ne4 15. Qc1 Nxg5 16. Nxg5 Qxg2# 0-1

[Event "GRE-ch U10"]
[Site "Achaia"]
[Date "2017.06.27"]
[Round "2"]
[White "Alysandratos, Spyridon"]
[Black "Kostelidis, Georgios"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "1347"]
[PlyCount "82"]
[EventDate "2017.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Be2 Nf6 5. d4 a6 6. Nf3 b5 7. Bg5 Nbd7 8. Bxf6 Nxf6 9. a3 Bb7 10. 0-0 e6 11. Re1 Be7 12. Ne5 0-0 13. Bf3 Bxf3 14. Nxf3 Rfd8 15. h3 Rac8 16. Re5 Qb6 17. d5 Bd6 18. Re1 exd5 19. Nxd5 Nxd5 20. Qxd5 Bh2+ 21. Nxh2 Rxd5 22. Rad1 Rxd1 23. Rxd1 h6 24. Nf3 c5 25. Ne5 Re8 26. Nd7 Qa5 27. Nxc5 Re1+ 28. Rxe1 Qxe1+ 29. Kh2 Qe5+ 30. Kh1 Qxc5 31. c3 Qxf2 32. b3 Kh7 33. b4 Kg6 34. a4 Kg5 35. a5 Kf4 36. Kh2 Qg3+ 37. Kg1 Qe1+ 38. Kh2 Ke3 39. c4 Kf2 40. h4 Qg1+ 41. Kh3 Qxg2# 0-1

[Event "GRE-ch U10"]
[Site "Achaia"]
[Date "2017.06.27"]
[Round "3"]
[White "Kostelidis, Georgios"]
[Black "Paraskakis, Filippos"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1347"]
[BlackElo "1072"]
[PlyCount "64"]
[EventDate "2017.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 0-0 5. Be2 d6 6. c4 c5 7. h3 Qb6 8. Qd2 Ne4 9. Qc2 cxd4 10. exd4 Bxd4 11. Qxe4 Bxb2 12. 0-0 Bxa1 13. Qxe7 Bd7 14. c5 Qxc5 15. Bxd6 Qc8 16. Bc4 Bg7 17. Rc1 Qd8 18. Bd5 Nc6 19. Qg5 Qxg5 20. Nxg5 Bh6 21. Bxf8 Bxg5 22. Rc5 Kxf8 23. Bxc6 Bf5 24. Bf3 Be7 25. Rc1 Rb8 26. Nd2 Bg5 27. Rd1 Bc2 28. Rc1 Ba4 29. Rc4 b5 30. Rd4 Bxd2 31. Rxd2 b4 32. Rd7 Bxd7 0-1

[Event "GRE-ch U10"]
[Site "Achaia"]
[Date "2017.06.26"]
[Round "1"]
[White "Kostelidis, Georgios"]
[Black "Tsavdaras, Dimitrios"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1347"]
[BlackElo "1110"]
[PlyCount "114"]
[EventDate "2017.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nd2 c5 5. c3 Nc6 6. Bd3 Bd6 7. Bg3 0-0 8. Ngf3 b6 9. Ne5 Bb7 10. f4 Ne7 11. Qf3 b5 12. Bh4 Ng6 13. Bxb5 Nxh4 14. Qh3 Nf5 15. Bd3 Ne4 16. g4 Qh4+ 17. Qxh4 Nxh4 18. Bxe4 dxe4 19. Nec4 Be7 20. Na5 Ba6 21. Nxe4 cxd4 22. exd4 Bd8 23. Nb3 Bb7 24. Nbc5 Bxe4 25. Nxe4 Ng2+ 26. Kd2 Nxf4 27. c4 Bg5 28. Nxg5 Rac8 29. Rhf1 Ng6 30. Rac1 Rfd8 31. Kd3 Ne5+ 32. Ke4 Nxc4 33. Nxf7 Nd2+ 34. Ke5 Rxc1 35. Rxc1 Kxf7 36. Rc2 Nf3+ 37. Kf4 Nxd4 38. Rd2 e5+ 39. Ke4 Ke6 40. Rd3 Nc6 41. Rc3 Rd4+ 42. Ke3 Nb4 43. a3 Nd5+ 44. Kf3 Nxc3 45. bxc3 Rd3+ 46. Ke4 Rxc3 47. g5 Rxa3 48. g6 Ra4+ 49. Ke3 h6 50. h3 Ra6 51. Kd3 e4+ 52. Ke3 Ra3+ 53. Ke2 Ke5 54. h4 Kf4 55. h5 Ra2+ 56. Ke1 Kf3 57. Kf1 Ra1# 0-1

[Event "Athens ChessSquare Autumn op"]
[Site "Athens"]
[Date "2016.09.10"]
[Round "1"]
[White "Ilandzis, Spyridon"]
[Black "Kostelidis, Georgios"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2061"]
[BlackElo "1236"]
[PlyCount "73"]
[EventDate "2016.09.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Bf5 3. e3 e6 4. f4 Nf6 5. Nf3 Bd6 6. Be2 c5 7. Nh4 Bg6 8. 0-0 Nc6 9. d3 Ng4 10. Bxg4 Qxh4 11. Bxg7 Rg8 12. g3 Qe7 13. Bb2 f5 14. Bf3 0-0-0 15. Nd2 h6 16. a3 Qh7 17. c4 Be7 18. cxd5 exd5 19. Bg2 h5 20. Nf3 h4 21. Qe1 hxg3 22. hxg3 d4 23. exd4 cxd4 24. Rc1 Rde8 25. Ne5 Kb8 26. Nxc6+ bxc6 27. Qe5+ Bd6 28. Qxd6+ Qc7 29. Qxc7+ Kxc7 30. Bxd4 Bh5 31. Rxc6+ Kb8 32. Rfc1 Rxg3 33. Be5+ Kb7 34. Rc7+ Kb6 35. R1c6+ Kb5 36. Rb7+ Ka5 37. Bc3# 1-0

[Event "GRE-ch U10"]
[Site "Porto Rio"]
[Date "2016.07.04"]
[Round "9"]
[White "Nteligiorgis, Georgios"]
[Black "Kostelidis, Georgios"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1072"]
[BlackElo "1268"]
[PlyCount "86"]
[EventDate "2016.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. g3 Bg4 7. Bg2 c6 8. 0-0 Nbd7 9. h3 Bxf3 10. Qxf3 e6 11. Be3 Be7 12. a3 Rd8 13. Rad1 Nb6 14. Qe2 0-0 15. Rfe1 Rfe8 16. Bf4 Qd7 17. Be5 Nfd5 18. Nxd5 Nxd5 19. Bxd5 Qxd5 20. c4 Qa5 21. Qd2 Qb6 22. Qc3 c5 23. dxc5 Bxc5 24. Rxd8 Bxf2+ 25. Kf1 Rxd8 26. Re2 Bd4 27. Bxd4 Rxd4 28. Rd2 Rxd2 29. Qxd2 Qc7 30. Qd3 h6 31. b3 Qe5 32. b4 Qf5+ 33. Qxf5 exf5 34. Ke2 Kf8 35. Ke3 Ke7 36. Kd4 h5 37. Ke5 g6 38. a4 f6+ 39. Kf4 Kd6 40. Ke3 g5 41. Kf3 Ke5 42. a5 Kd4 43. b5 Kxc4 0-1

[Event "GRE-ch U10"]
[Site "Porto Rio"]
[Date "2016.07.03"]
[Round "8"]
[White "Kostelidis, Georgios"]
[Black "Kalogeris, Ioannis1111"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1268"]
[BlackElo "1162"]
[PlyCount "60"]
[EventDate "2016.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 0-0 5. h3 d6 6. Be2 Nbd7 7. 0-0 c6 8. c4 Re8 9. Nc3 Qc7 10. Bh2 e5 11. Qc2 a6 12. Rfd1 b6 13. Rac1 c5 14. Rd2 Bb7 15. Rcd1 Rad8 16. a3 h6 17. dxe5 Nxe5 18. Nxe5 dxe5 19. Rxd8 Rxd8 20. Rxd8+ Qxd8 21. Bxe5 Qe7 22. Bh2 Ne4 23. Na4 Kh7 24. Nxb6 Qf6 25. Nd5 Qxf2+ 26. Kh1 Qe1+ 27. Bg1 Ng3+ 28. Kh2 Nxe2 29. Qxe2 Qxe2 30. Nf4 Be5 0-1

[Event "GRE-ch U10"]
[Site "Porto Rio"]
[Date "2016.07.02"]
[Round "7"]
[White "Alexopoulos, Georgios1111"]
[Black "Kostelidis, Georgios"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1100"]
[BlackElo "1268"]
[PlyCount "72"]
[EventDate "2016.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Bf4 e6 5. e3 Be7 6. Be2 Nbd7 7. 0-0 b6 8. Nc3 Bb7 9. Rc1 c5 10. b3 Nh5 11. Bd3 Nxf4 12. exf4 Nf6 13. Re1 dxc4 14. Bxc4 Bxf3 15. Qxf3 cxd4 16. Rcd1 0-0 17. Ne2 Bc5 18. Bd3 Qd6 19. Bb1 Rad8 20. Qd3 Rfe8 21. g4 e5 22. g5 e4 23. Qh3 Nd7 24. Ng3 Qxf4 25. Nxe4 g6 26. Re3 dxe3 27. Rxd7 exf2+ 28. Kf1 Qc1+ 29. Ke2 Qe1+ 30. Kd3 f1Q+ 31. Qxf1 Qxf1+ 32. Kc3 Rxd7 33. Nf6+ Kh8 34. Nxd7 Re3+ 35. Kc2 Qe2+ 36. Kc1 Ba3# 0-1

[Event "GRE-ch U10"]
[Site "Porto Rio"]
[Date "2016.07.01"]
[Round "6"]
[White "Kostelidis, Georgios"]
[Black "Stefanou, Konstantinos"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1268"]
[BlackElo "1351"]
[PlyCount "122"]
[EventDate "2016.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 Be7 4. Nd2 0-0 5. Bd3 d5 6. Ngf3 Nbd7 7. Ne5 Nxe5 8. dxe5 Nd7 9. Qh5 g6 10. Qh6 Re8 11. h4 Bf8 12. Qg5 Qxg5 13. hxg5 b6 14. 0-0-0 Be7 15. Rh3 Kg7 16. Bb5 a6 17. Bc6 Rb8 18. e4 Bd8 19. Rdh1 Rh8 20. exd5 Nc5 21. dxe6 Nxe6 22. Be3 Bxg5 23. Bxg5 Nxg5 24. Rg3 Ne6 25. Ne4 Nd4 26. Bd5 Ne2+ 27. Kb1 Nxg3 28. Nxg3 Bb7 29. Bxb7 Rxb7 30. Ne4 Re8 31. f4 Rbb8 32. Ng5 h6 33. Nf3 Rbd8 34. b3 Rd7 35. g4 Red8 36. Kb2 Rd1 37. Rh3 Rf1 38. f5 gxf5 39. gxf5 Re8 40. Rg3+ Kh7 41. f6 Rxf3 42. Rxf3 Rxe5 43. Rg3 Rg5 44. Rf3 Kg6 45. Rc3 c5 46. Rd3 Rf5 47. Rd1 Rxf6 48. Rg1+ Kh7 49. Kc3 h5 50. Kd3 Kh6 51. Ke4 Rf2 52. Rg8 Rxc2 53. Kf5 Rf2+ 54. Ke5 Rxa2 55. Kf6 Rf2+ 56. Ke7 Rf3 57. Rh8+ Kg5 58. Rg8+ Kh4 59. Rg1 Rxb3 60. Rh1+ Kg4 61. Rg1+ Rg3 0-1

[Event "GRE-ch U10"]
[Site "Porto Rio"]
[Date "2016.07.01"]
[Round "5"]
[White "Koutlas, Nikolaos"]
[Black "Kostelidis, Georgios"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1507"]
[BlackElo "1268"]
[PlyCount "50"]
[EventDate "2016.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. Bd3 e6 7. 0-0 Nbd7 8. h3 Be7 9. Re1 b5 10. Ne4 Qb6 11. Be3 Nd5 12. Bg5 N7f6 13. Nxf6+ Bxf6 14. Bxf6 Nxf6 15. Ne5 Bb7 16. c3 0-0 17. f3 Rfd8 18. Qc2 h6 19. a4 b4 20. Kh2 Qd6 21. Kg1 Rac8 22. Rad1 c5 23. dxc5 Qxc5+ 24. Kh1 Rd5 25. Nc4 Rh5 1/2-1/2

[Event "GRE-ch U10"]
[Site "Porto Rio"]
[Date "2016.06.30"]
[Round "4"]
[White "Kostelidis, Georgios"]
[Black "Pilalis, Ernestos"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1268"]
[BlackElo "1043"]
[PlyCount "87"]
[EventDate "2016.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nc6 3. e3 Nf6 4. c4 dxc4 5. Bxc4 Bf5 6. Nc3 e6 7. Nf3 Bd6 8. Ne5 0-0 9. Qf3 Bxe5 10. Bxe5 Ng4 11. Bg3 Rb8 12. d5 Nb4 13. 0-0 Nh6 14. Bf4 exd5 15. Bxh6 dxc4 16. Bxg7 Kxg7 17. Qxf5 Kh8 18. Ne4 Qd5 19. Qf4 f5 20. Ng5 c6 21. Rad1 Nd3 22. Qh4 Qg8 23. b3 b5 24. bxc4 bxc4 25. Qd4+ Qg7 26. Qxg7+ Kxg7 27. Ne6+ Kf6 28. Nxf8 Rxf8 29. Rb1 Rf7 30. Rfd1 Ke5 31. Rd2 f4 32. exf4+ Kxf4 33. Rc2 Ne5 34. Rb4 Rd7 35. g3+ Kf5 36. Rcxc4 Nxc4 37. Rxc4 Rd2 38. Rxc6 Rxa2 39. Rh6 a5 40. Rxh7 a4 41. Ra7 a3 42. Kf1 Kg4 43. Ra4+ Kh3 44. Rh4# 1-0

[Event "GRE-ch U10"]
[Site "Porto Rio"]
[Date "2016.06.29"]
[Round "2"]
[White "Kostelidis, Georgios"]
[Black "Dristellas, Neoklis"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1268"]
[BlackElo "1099"]
[PlyCount "63"]
[EventDate "2016.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nd2 Be7 5. Bd3 0-0 6. Ngf3 b6 7. Ne5 Bb7 8. Qf3 Nbd7 9. Qh3 h6 10. Bxh6 gxh6 11. Qxh6 c5 12. c3 Re8 13. h4 Bf8 14. Qg5+ Bg7 15. h5 Nxe5 16. dxe5 Ne4 17. Qg4 Qg5 18. Qxg5 Nxg5 19. h6 Bf8 20. h7+ Kh8 21. f3 Be7 22. Nf1 Kg7 23. Ng3 Rh8 24. Nh5+ Kf8 25. Nf6 Bxf6 26. exf6 Ke8 27. Rh5 c4 28. Bc2 Nxf3+ 29. gxf3 d4 30. exd4 Bxf3 31. Rh3 Bg4 32. Rg3 1-0

[Event "GRE-ch U10"]
[Site "Porto Rio"]
[Date "2016.06.29"]
[Round "3"]
[White "Pavloudakis, Georgios"]
[Black "Kostelidis, Georgios"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1360"]
[BlackElo "1268"]
[PlyCount "50"]
[EventDate "2016.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. h3 Nbd7 7. Bd3 e6 8. 0-0 Be7 9. Be3 0-0 10. Qd2 b5 11. Ne4 Qc6 12. Nxf6+ Nxf6 13. Ne5 Qd6 14. Bf4 Qxd4 15. Bxh7+ Nxh7 16. Qxd4 Bf6 17. Qe3 Bb7 18. Nd7 Rfc8 19. Nxf6+ Nxf6 20. Be5 Nd7 21. Qg3 f6 22. Bf4 e5 23. Bh6 g5 24. Qd3 Nf8 25. Bxf8 Kxf8 1-0

[Event "GRE-ch U10"]
[Site "Porto Rio"]
[Date "2016.06.28"]
[Round "1"]
[White "Alysandratos, Spyridon"]
[Black "Kostelidis, Georgios"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "1268"]
[PlyCount "82"]
[EventDate "2016.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. Bc4 e6 7. 0-0 Be7 8. Re1 Nbd7 9. Bg5 b5 10. Bd3 Bb7 11. Be2 0-0 12. a4 b4 13. Nb1 Rfd8 14. c3 Rac8 15. Bd3 c5 16. Ne5 cxd4 17. Nxd7 Rxd7 18. cxd4 Qd5 19. Bf1 Qxg5 20. Nd2 Rxd4 21. Nf3 Rxd1 22. Nxg5 Rxa1 23. Rxa1 Rc2 24. Bd3 Rxb2 25. Rb1 Rxb1+ 26. Bxb1 h6 27. Nf3 Ne4 28. Kf1 b3 29. Ke1 Nc3 30. Nd2 Bb4 31. Kf1 Nxb1 32. Nxb1 Be4 33. Ke2 Bxb1 34. Kd1 b2 35. Ke2 Be4 36. Ke3 b1Q 37. Kf4 Bd6+ 38. Kg4 Bf5+ 39. Kh4 Qb4+ 40. f4 Qxf4+ 41. g4 Qxg4# 0-1

[Event "Nikaia op 23rd"]
[Site "Nikaia"]
[Date "2015.08.27"]
[Round "1"]
[White "Kostelidis, Georgios"]
[Black "Gkikas, Ioannis"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "1086"]
[BlackElo "1472"]
[PlyCount "55"]
[EventDate "2015.08.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Nf3 Bb7 5. Be2 Be7 6. 0-0 0-0 7. h3 d6 8. c4 c5 9. Nc3 Nbd7 10. d5 exd5 11. cxd5 Nh5 12. Bh2 Re8 13. Nd2 Nhf6 14. Nc4 Qc7 15. Nb5 Qb8 16. Ncxd6 Bxd6 17. Nxd6 Rf8 18. Nxf7 Qe8 19. Nd6 Qb8 20. Nb5 Qc8 21. Nc7 Rb8 22. Ne6 Nxd5 23. Bxb8 Qc6 24. Nxf8 Nxe3 25. Bf3 Qxf3 26. Qxf3 Bxf3 27. fxe3 Be2 28. Nxd7 1-0

[Event "GRE-ch U08"]
[Site "Rio Achaia"]
[Date "2015.07.02"]
[Round "9.6"]
[White "Papaoulakis, Isidoros"]
[Black "Kostelidis, Georgios"]
[Result "0-1"]
[ECO "D35"]
[BlackElo "1030"]
[PlyCount "88"]
[EventDate "2015.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Nf3 Nc6 6. Bg5 Be7 7. e3 0-0 8. Qc2 Bg4 9. Be2 Nb4 10. Qb3 a5 11. a3 Nc6 12. Qxb7 Qd7 13. 0-0 Rfb8 14. Qxa8 Rxa8 15. Bb5 Qe6 16. Bf4 Ne8 17. Ng5 Bxg5 18. Bxg5 Qg6 19. Bf4 Bh3 20. Bg3 Be6 21. Bxc6 Rb8 22. Rab1 Bf5 23. Nxd5 Qe6 24. Bxe8 Qxd5 25. Ba4 Bxb1 26. Rxb1 Qe4 27. Rc1 Rxb2 28. Bxc7 Rb1 29. h3 Rxc1+ 30. Kh2 Rxc7 31. Bb3 Qd3 32. Bd5 Qxa3 33. Bf3 Rc2 34. Kg3 Qd6+ 35. Kh4 Rxf2 36. d5 Rxf3 37. gxf3 Qxd5 38. Kg3 a4 39. Kh2 a3 40. Kg3 a2 41. Kh2 a1Q 42. Kg3 Qae5+ 43. Kg2 Qd2+ 44. Kf1 Qa1# 0-1

[Event "GRE-ch U08"]
[Site "Rio Achaia"]
[Date "2015.07.01"]
[Round "8.7"]
[White "Kostelidis, Georgios"]
[Black "Magklaras, Panagiotis"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1030"]
[PlyCount "60"]
[EventDate "2015.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. c3 d5 4. e3 Nc6 5. Nf3 e6 6. Bd3 Bd6 7. Bg3 Qc7 8. 0-0 Bxg3 9. fxg3 cxd4 10. cxd4 e5 11. Bb5 0-0 12. Bxc6 bxc6 13. Nxe5 Ba6 14. Rf3 Qb6 15. Qb3 Qa5 16. Nc3 Rfc8 17. Qa4 Qb6 18. Qb3 Qa5 19. a3 Rab8 20. Qa2 Qb6 21. b4 Bb7 22. g4 h6 23. Rxf6 gxf6 24. Nd7 Qc7 25. Nxb8 Rxb8 26. Rf1 Qe7 27. Rf3 Ba6 28. Qf2 Kg7 29. Qg3 Re8 30. a4 Qxb4 1/2-1/2

[Event "GRE-ch U08"]
[Site "Rio Achaia"]
[Date "2015.06.30"]
[Round "7.4"]
[White "Mitsis, Georgios"]
[Black "Kostelidis, Georgios"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1094"]
[BlackElo "1030"]
[PlyCount "57"]
[EventDate "2015.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. Bc4 a6 6. d3 e5 7. 0-0 Be7 8. Qe2 Nc6 9. Re1 Bg4 10. h3 Bxf3 11. Qxf3 Nd4 12. Qd1 0-0 13. Be3 c5 14. Qd2 b5 15. Bb3 b4 16. Ne2 Rad8 17. Bxd4 exd4 18. Ng3 Qc7 19. Nf5 Bd6 20. Nxd6 Qxd6 21. a3 a5 22. axb4 axb4 23. Ra7 Rfe8 24. Bxf7+ Kf8 25. Bxe8 Nxe8 26. Ree7 Qxe7 27. Rxe7 Kxe7 28. Qg5+ Kd6 29. Qxd8+ 1-0

[Event "GRE-ch U08"]
[Site "Rio Achaia"]
[Date "2015.06.29"]
[Round "6.6"]
[White "Kostelidis, Georgios"]
[Black "Violakis, Anastasios"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1030"]
[PlyCount "55"]
[EventDate "2015.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 0-0 5. h3 d6 6. Be2 e6 7. c4 Nc6 8. Nc3 Ne7 9. 0-0 c5 10. Qb3 b6 11. Rad1 d5 12. Nb5 Ne4 13. Nc7 Rb8 14. Nxd5 Rb7 15. Nc3 Nf6 16. dxc5 Qe8 17. cxb6 Rxb6 18. Qc2 Nd7 19. Nb5 a6 20. Nd6 Qd8 21. b3 e5 22. Nxc8 Qxc8 23. Bh2 Nb8 24. Bxe5 Bxe5 25. Nxe5 Rb5 26. Ng4 Rg5 27. Qc3 Qb7 28. Nh6# 1-0

[Event "GRE-ch U08"]
[Site "Rio Achaia"]
[Date "2015.06.29"]
[Round "5.10"]
[White "Panagiotopoulos, F Emmanouil"]
[Black "Kostelidis, Georgios"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "1030"]
[PlyCount "42"]
[EventDate "2015.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 Nf6 4. d3 a6 5. Ng5 e5 6. Be3 Bf5 7. d4 Nc6 8. Bc4 Qxc4 9. b3 Qxc2 10. Qf3 Bg4 11. Na3 Qc3+ 12. Bd2 Qxa1+ 13. Ke2 Qxh1 14. Qxg4 Nxg4 15. dxe5 Bxa3 16. h3 h6 17. hxg4 hxg5 18. Bxg5 Qxg2 19. e6 Qxg4+ 20. f3 Rh2+ 21. Ke3 Qd4# 0-1

[Event "GRE-ch U08"]
[Site "Rio Achaia"]
[Date "2015.06.28"]
[Round "4.8"]
[White "Kostelidis, Georgios"]
[Black "Dristellas, Neoklis"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1030"]
[PlyCount "87"]
[EventDate "2015.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 0-0 5. Be2 d6 6. h3 Bf5 7. c4 Qd7 8. Nc3 Qc6 9. 0-0 Qb6 10. Na4 Qc6 11. d5 Qd7 12. Nc3 e5 13. Bg5 Qe7 14. e4 Bd7 15. Nh2 c5 16. Ng4 Bxg4 17. Bxg4 Qc7 18. Qf3 Nxg4 19. Qxg4 Re8 20. Nb5 Qb6 21. a4 a5 22. f4 h5 23. Qg3 Na6 24. f5 Nb4 25. Rf2 Rac8 26. fxg6 fxg6 27. Bf6 Kh7 28. Bxg7 Kxg7 29. Qg5 Qd8 30. Qg3 Rf8 31. Raf1 Rxf2 32. Qxf2 Qe7 33. Qf7+ Qxf7 34. Rxf7+ Kxf7 35. Nxd6+ Ke7 36. Nxc8+ Kd7 37. Na7 Nd3 38. b3 Nc1 39. Nb5 Nxb3 40. Kf2 Nd2 41. Ke3 Nxc4+ 42. Kd3 Nb2+ 43. Kc3 Nxa4+ 44. Kc4 1/2-1/2

[Event "GRE-ch U08"]
[Site "Rio Achaia"]
[Date "2015.06.27"]
[Round "3.6"]
[White "Fotiadis, Alexandros"]
[Black "Kostelidis, Georgios"]
[Result "1-0"]
[ECO "B01"]
[BlackElo "1030"]
[PlyCount "49"]
[EventDate "2015.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. Be2 a6 6. 0-0 Bf5 7. d3 Nbd7 8. g3 e6 9. Ng5 h6 10. Nge4 Nxe4 11. Nxe4 Qc6 12. Bf3 0-0-0 13. Ng5 Qb5 14. Nxf7 Bb4 15. Nxd8 Rxd8 16. Bg4 Nf6 17. a4 Qb6 18. Bxf5 exf5 19. Bd2 Bc5 20. Bc3 Rg8 21. Qf3 Qe6 22. Rae1 Qd7 23. Re5 g6 24. Rxc5 Qxa4 25. Bxf6 1-0

[Event "GRE-ch U08"]
[Site "Rio Achaia"]
[Date "2015.06.27"]
[Round "2.7"]
[White "Kostelidis, Georgios"]
[Black "Mastrogiannopoulos, Christos Pan"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1030"]
[PlyCount "58"]
[EventDate "2015.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. c4 d5 4. Nc3 Bb4 5. e3 Ne4 6. Qb3 Nc6 7. f3 Nxc3 8. bxc3 dxc4 9. Bxc4 Bd6 10. Bxd6 cxd6 11. e4 Na5 12. Qb5+ Bd7 13. Qb4 Nxc4 14. Qxc4 0-0 15. Ne2 Bc6 16. d5 Bd7 17. 0-0 Re8 18. Rfe1 exd5 19. Qxd5 Qb6+ 20. Qd4 Qxd4+ 21. cxd4 h6 22. Nf4 g5 23. Nd5 Red8 24. Rac1 Be6 25. Nc7 Rac8 26. Nxe6 fxe6 27. Rxc8 Rxc8 28. e5 d5 29. Rb1 b6 1/2-1/2

[Event "GRE-ch U08"]
[Site "Rio Achaia"]
[Date "2015.06.26"]
[Round "1.8"]
[White "Lafkas, Ioannis"]
[Black "Kostelidis, Georgios"]
[Result "0-1"]
[ECO "A48"]
[BlackElo "1030"]
[PlyCount "58"]
[EventDate "2015.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Bxf6 Bxf6 5. e3 0-0 6. Bd3 d6 7. 0-0 c5 8. dxc5 Bxb2 9. Nbd2 Bxa1 10. Qxa1 dxc5 11. Ne5 Nd7 12. Nxd7 Bxd7 13. g3 Bh3 14. Rb1 Qd5 15. e4 Qd4 16. Qxd4 cxd4 17. Rxb7 Rab8 18. Ba6 Rxb7 19. Bxb7 Rb8 20. Bd5 Rb2 21. Bb3 Be6 22. Bxe6 fxe6 23. Nc4 Rxa2 24. Ne5 Rxc2 25. Nd7 d3 26. Ne5 d2 27. Nf3 d1Q+ 28. Kg2 Rc1 29. e5 Qf1# 0-1

