[Event "48th TCh-GRE Group 2 2021"] [Site "Thessaloniki GRE"] [Date "2021.10.10"] [Round "7.7"] [White "Demelkas, Ioannis"] [Black "Antoniadou, P"] [Result "1-0"] [WhiteElo "1716"] [BlackElo "1788"] [ECO "E73"] [Opening "King's Indian"] [Variation "Averbakh system"] [EventDate "2021.10.05"] [WhiteFideId "25814338"] [BlackFideId "4220676"] [EventType "team"] [WhiteTeam "PSSK SERRON"] [BlackTeam "LP FLORINAS"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 Nbd7 7. h4 h6 8. Be3 c5 9. d5 Ne5 10. Qc1 Neg4 11. Bd2 Kh7 12. h5 Nxh5 13. Bxg4 Bxg4 14. f3 Ng3 15. Rh2 Bh5 16. Kf2 f5 17. Kxg3 Be5+ 18. f4 Bd4 19. Nf3 Qd7 20. e5 dxe5 21. Nxe5 Bxe5 22. fxe5 f4+ 23. Kf2 Qg4 24. Qe1 f3 25. g3 Qxc4 26. Qe4 Qb4 27. Rxh5 Qxb2 28. Rxh6+ Kg7 29. Qxg6# 1-0

[Event "48th TCh-GRE Group 2 2021"] [Site "Thessaloniki GRE"] [Date "2021.10.09"] [Round "6.5"] [White "Demelkas, Ioannis"] [Black "Hadzimanolis, A"] [Result "1-0"] [BlackTitle "FM"] [WhiteElo "1716"] [BlackElo "2215"] [ECO "A58"] [Opening "Benko gambit accepted"] [EventDate "2021.10.05"] [WhiteFideId "25814338"] [BlackFideId "4202813"] [EventType "team"] [WhiteTeam "PSSK SERRON"] [BlackTeam "OS TRIANDRIAS"] 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. Nf3 Nbd7 10. g3 Bg7 11. Kg2 O-O 12. a4 Qb6 13. Qe2 Qa6 14. Re1 Rfb8 15. Ra3 Rb4 16. Qxa6 Rxa6 17. e5 dxe5 18. Nxe5 Nxe5 19. Rxe5 Kf8 20. Re2 Nd7 21. Bg5 f6 22. Be3 Kf7 23. a5 Rb7 24. Ne4 Rb5 25. Rc2 Raxa5 26. Rxa5 Rxa5 27. Bxc5 h6 28. b4 Ra3 29. Re2 Rd3 30. d6 Nxc5 31. bxc5 f5 32. c6 Ke8 33. c7 1-0

[Event "48th TCh-GRE Group 2 2021"] [Site "Thessaloniki GRE"] [Date "2021.10.08"] [Round "5.7"] [White "Athanasiadis, Panagiotis"] [Black "Demelkas, Ioannis"] [Result "0-1"] [WhiteElo "1786"] [BlackElo "1716"] [ECO "C05"] [Opening "French"] [Variation "Tarrasch, closed variation"] [EventDate "2021.10.05"] [WhiteFideId "4237366"] [BlackFideId "25814338"] [EventType "team"] [WhiteTeam "OS GIANNITSON"] [BlackTeam "PSSK SERRON"] 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ngf3 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. O-O Bd6 11. b3 O-O 12. Bb2 Qb6 13. Re1 Bd7 14. Nf1 a5 15. Ne5 Bxe5 16. dxe5 Ne4 17. Bxe4 Qxf2+ 18. Kh1 Qxb2 19. Bxd5 exd5 20. Qxd5+ Kh8 21. Qxd7 Nxe5 22. Qb5 Ng4 23. h3 Nf2+ 24. Kh2 Nxh3 25. Kxh3 Ra6 26. Re8 Rh6+ 27. Kg3 Qf2+ 28. Kg4 Qf4# 0-1

[Event "48th TCh-GRE Group 2 2021"] [Site "Thessaloniki GRE"] [Date "2021.10.06"] [Round "2.4"] [White "Dirlis, N"] [Black "Demelkas, Ioannis"] [Result "0-1"] [WhiteElo "1890"] [BlackElo "1716"] [ECO "E75"] [Opening "King's Indian"] [Variation "Averbakh, main line"] [EventDate "2021.10.05"] [WhiteFideId "4215524"] [BlackFideId "25814338"] [EventType "team"] [WhiteTeam "ASO POLYGYROY"] [BlackTeam "PSSK SERRON"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 e6 8. Nf3 exd5 9. exd5 Bg4 10. O-O Bxf3 11. Bxf3 Nbd7 12. Qd2 Qb6 13. Rae1 Rfe8 14. b3 a6 15. Qc1 Qa5 16. Bd2 Qc7 17. a4 Rxe1 18. Rxe1 Re8 19. Rxe8+ Nxe8 20. Qe1 Ne5 21. Bd1 Qd8 22. Qe2 Kf8 23. g3 Qe7 24. Kg2 Nd7 25. f4 Qxe2+ 26. Bxe2 Bxc3 27. Bxc3 f5 28. Bd3 Nef6 29. Kf3 Ke7 30. h3 h5 31. Be1 Kf7 32. a5 Ke8 33. g4 hxg4+ 34. hxg4 Nxg4 35. Kg3 Kf7 36. Kh4 Ngf6 37. b4 cxb4 38. Bxb4 Nc5 39. Bc2 Nfe4 40. Kh3 Kf6 41. Kg2 Ke7 42. Kf3 Kd7 43. Ke3 Kc7 44. Kd4 b6 45. Be1 Nf6 46. Bb4 Nce4 47. Be1 Nc5 48. Bb4 Ncd7 49. Ba4 Nc5 50. Bc2 Nfe4 51. Be1 bxa5 52. Bxa5+ Kd7 53. Be1 Ke7 54. Bb4 Kf6 55. Ba5 Ng3 56. Be1 Nh5 57. Bd2 a5 58. Bxa5 Nxf4 59. Bd8+ Kf7 60. Ke3 Nh5 61. Bg5 0-1