[Event "EU-ch (Women) 24th"]
[Site "Rhodes"]
[Date "2024.04.29"]
[Round "10"]
[White "Dereka, Konstantina"]
[Black "Gajcin, Jasmina"]
[Result "1-0"]
[ECO "D87"]
[WhiteElo "1821"]
[BlackElo "1908"]
[PlyCount "73"]
[EventDate "2024.04.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 c5 9. 0-0 Nc6 10. Be3 Qc7 11. Rc1 Rd8 12. Qd2 b6 13. Rfd1 Bb7 14. f3 Na5 15. Bd3 c4 16. Bb1 e5 17. d5 Rd6 18. f4 f6 19. h4 Bc8 20. f5 Nb7 21. g4 gxf5 22. exf5 Nc5 23. Ng3 Bb7 24. Qe2 Nd3 25. Bxd3 cxd3 26. Qxd3 Rxd5 27. Qe2 Rxd1+ 28. Rxd1 Qc6 29. g5 Bf8 30. Kh2 Bd6 31. Nh5 e4+ 32. Kh1 Be5 33. gxf6 Bxf6 34. Rd7 Be5 35. Qg4+ Kf8 36. f6 Bxf6 37. Rxb7 1-0

[Event "EU-ch (Women) 24th"]
[Site "Rhodes"]
[Date "2024.04.28"]
[Round "9"]
[White "Alexandri, Dimitra"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1979"]
[BlackElo "1821"]
[PlyCount "55"]
[EventDate "2024.04.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ Qxf6 6. Nf3 Qd8 7. Be3 Be7 8. Bd3 Nd7 9. 0-0 0-0 10. c3 Nf6 11. Ne5 Nd5 12. Bc1 c5 13. Bc2 cxd4 14. Qxd4 Nf6 15. Qh4 g6 16. Bg5 Nd5 17. Nf3 f6 18. Bh6 Rf7 19. Bd2 Qb6 20. Bb3 a5 21. Bxd5 exd5 22. Qd4 Qxb2 23. Qxd5 Bg4 24. Rab1 Bxf3 25. Qxf7+ Kxf7 26. Rxb2 Bc6 27. c4 Rd8 28. Bxa5 1-0

[Event "EU-ch (Women) 24th"]
[Site "Rhodes"]
[Date "2024.04.27"]
[Round "8"]
[White "Valkova, Angelika"]
[Black "Dereka, Konstantina"]
[Result "1/2-1/2"]
[ECO "E28"]
[WhiteElo "2009"]
[BlackElo "1821"]
[PlyCount "45"]
[EventDate "2024.04.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 0-0 7. Bd3 b6 8. e4 Bb7 9. Bg5 h6 10. h4 d5 11. cxd5 cxd4 12. cxd4 Re8 13. d6 Qxd6 14. Bxf6 gxf6 15. Qg4+ Kf8 16. Ne2 Nc6 17. Bb5 Nxd4 18. Nxd4 Qxd4 19. 0-0 Qe5 20. a4 Rec8 21. Rac1 Rxc1 22. Rxc1 Rc8 23. Qf3 1/2-1/2

[Event "EU-ch (Women) 24th"]
[Site "Rhodes"]
[Date "2024.04.26"]
[Round "7"]
[White "Dereka, Konstantina"]
[Black "Dakic, Marta"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1821"]
[BlackElo "1957"]
[PlyCount "62"]
[EventDate "2024.04.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 c5 5. Nf3 0-0 6. a3 Bxc3 7. Bxc3 Ne4 8. Rc1 b6 9. g3 Bb7 10. Bg2 Nxc3 11. Rxc3 Qe7 12. 0-0 d6 13. Re1 Be4 14. d5 e5 15. Bf1 Nd7 16. Nd2 Bg6 17. e4 f5 18. exf5 Bxf5 19. Bg2 Rf6 20. Ne4 Rg6 21. b4 cxb4 22. axb4 Rf8 23. Qb3 Nf6 24. c5 Nxe4 25. Bxe4 Bxe4 26. Rxe4 Qf7 27. Re2 Rf6 28. Qa2 bxc5 29. bxc5 dxc5 30. Rxc5 e4 31. Rc6 Rxc6 1/2-1/2

[Event "EU-ch (Women) 24th"]
[Site "Rhodes"]
[Date "2024.04.25"]
[Round "6"]
[White "Korinioti, Mirto"]
[Black "Dereka, Konstantina"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1457"]
[BlackElo "1821"]
[PlyCount "71"]
[EventDate "2024.04.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 Nc6 5. d4 Nge7 6. a3 Nf5 7. b4 cxd4 8. cxd4 Qb6 9. Bb2 Be7 10. Be2 0-0 11. 0-0 Bd7 12. Qd3 Rac8 13. Nbd2 a6 14. Nb3 Na7 15. Rac1 Bb5 16. Qd2 Rfd8 17. Rfd1 Ba4 18. Qd3 a5 19. Rxc8 Rxc8 20. Ra1 axb4 21. axb4 Qxb4 22. Ba3 Qxb3 23. Qxb3 Bxb3 24. Bxe7 Nxe7 25. Rxa7 Rc1+ 26. Bf1 g6 27. Rxb7 Bc4 28. Nd2 Nc6 29. Nxc4 dxc4 30. Rd7 Rd1 31. f3 c3 32. Rc7 Nxd4 33. Rxc3 Ne2+ 34. Kf2 Nxc3 35. Bc4 Rd2+ 36. Kg3 0-1

[Event "EU-ch (Women) 24th"]
[Site "Rhodes"]
[Date "2024.04.23"]
[Round "5"]
[White "Dereka, Konstantina"]
[Black "Isgandarova, Khadija"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "1821"]
[BlackElo "2102"]
[PlyCount "60"]
[EventDate "2024.04.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Bd2 b6 5. a3 Bxc3 6. Bxc3 Bb7 7. Nf3 Ne4 8. Rc1 0-0 9. g3 d6 10. Bg2 Nd7 11. 0-0 f5 12. b4 Qf6 13. Ba1 Qh6 14. c5 Bd5 15. cxd6 cxd6 16. Rc7 Ndf6 17. Qc1 Qh5 18. h3 b5 19. a4 bxa4 20. e3 Qe8 21. Qa3 Qb5 22. Rfc1 Bb3 23. d5 e5 24. Bf1 Qxd5 25. Ne1 Qd2 26. Nd3 Nd5 27. R7c6 Nxe3 28. fxe3 Qxe3+ 29. Kh2 Qxg3+ 30. Kh1 Nf2+ 0-1

[Event "EU-ch (Women) 24th"]
[Site "Rhodes"]
[Date "2024.04.22"]
[Round "4"]
[White "Zvereva, Margarita"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2049"]
[BlackElo "1821"]
[PlyCount "77"]
[EventDate "2024.04.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Qc7 5. 0-0 Nf6 6. Re1 d6 7. c3 Be7 8. d4 cxd4 9. cxd4 d5 10. e5 Nd7 11. Nc3 a6 12. h4 0-0 13. Bf4 b5 14. Rc1 Qb6 15. Qd3 f6 16. exf6 Nxf6 17. Ng5 Qxd4 18. Qxd4 Nxd4 19. Be5 Nf5 20. Bxf6 Bxf6 21. Nxd5 Bxg5 22. hxg5 Rb8 23. Nc7 Nd4 24. f4 Rb6 25. Kf2 Rd6 26. Re4 Bb7 27. Rxd4 Rxd4 28. Bxb7 Rd2+ 29. Kf3 Rxb2 30. Nxe6 Re8 31. Bd5 Kh8 32. g6 Rd2 33. Bb3 Rd3+ 34. Kg4 a5 35. Ng5 a4 36. Nf7+ Kg8 37. gxh7+ Kxh7 38. Ng5+ Kg6 39. Bc2 1-0

[Event "EU-ch (Women) 24th"]
[Site "Rhodes"]
[Date "2024.04.21"]
[Round "3"]
[White "Dereka, Konstantina"]
[Black "Harmsen, Jessica MM"]
[Result "1/2-1/2"]
[ECO "A87"]
[WhiteElo "1821"]
[BlackElo "2102"]
[PlyCount "84"]
[EventDate "2024.04.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. d4 f5 2. g3 g6 3. Bg2 Nf6 4. Nf3 Bg7 5. 0-0 0-0 6. c4 d6 7. Nc3 Qe8 8. Qc2 e5 9. dxe5 dxe5 10. b3 e4 11. Nd4 Ng4 12. Rd1 c6 13. h3 Ne5 14. Bb2 Qe7 15. Qc1 Re8 16. Ba3 Qf6 17. Na4 Nbd7 18. c5 Nf8 19. Nc2 Be6 20. Rd6 Rad8 21. Bb2 Rxd6 22. cxd6 Nfd7 23. Ne3 Qf8 24. Nc5 Nxc5 25. Qxc5 b6 26. Qa3 a5 27. Rc1 c5 28. Rd1 Rd8 29. Qa4 Rxd6 30. Rxd6 Qxd6 31. Qe8+ Bf8 32. Bxe5 Qxe5 33. Nc4 Qa1+ 34. Bf1 Bxc4 35. bxc4 Qf6 36. e3 h6 37. Kg2 Kh7 38. Qd7+ Bg7 39. Qd2 h5 40. Be2 h4 41. g4 Qb2 42. Qxb2 Bxb2 1/2-1/2

[Event "EU-ch (Women) 24th"]
[Site "Rhodes"]
[Date "2024.04.20"]
[Round "2"]
[White "Tashkinova, Sofiia"]
[Black "Dereka, Konstantina"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "2066"]
[BlackElo "1821"]
[PlyCount "63"]
[EventDate "2024.04.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 b5 8. 0-0 Bb7 9. a3 Nf6 10. Bg5 Be7 11. Nde2 h6 12. Bf4 d6 13. Qd2 0-0 14. Rad1 Rad8 15. Rfe1 Ne5 16. b3 Ng6 17. Qd3 Qb8 18. Bc1 d5 19. exd5 Nxd5 20. Nxd5 Bxd5 21. Bxd5 Rxd5 22. Qe4 Rfd8 23. Nc3 Re5 24. Qf3 Rxe1+ 25. Rxe1 Qc7 26. Bb2 Bf6 27. h4 Ne5 28. Qe4 Rd4 29. Qa8+ Rd8 30. Qe4 Rd4 31. Qa8+ Rd8 32. Qe4 1/2-1/2

[Event "EU-ch (Women) 24th"]
[Site "Rhodes"]
[Date "2024.04.19"]
[Round "1"]
[White "Dereka, Konstantina"]
[Black "Gajcin, Marina"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "1821"]
[BlackElo "2224"]
[PlyCount "94"]
[EventDate "2024.04.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 0-0 5. Nf3 b6 6. g3 Ba6 7. b3 d5 8. cxd5 exd5 9. Bg2 Re8 10. e3 c5 11. Ne2 Bxd2+ 12. Qxd2 Nc6 13. a3 Ne4 14. Qb2 Bxe2 15. Kxe2 Qf6 16. Rhc1 Na5 17. Rab1 c4 18. b4 c3 19. Qa2 Nc4 20. Rc2 a5 21. b5 Qe7 22. Ra1 a4 23. h4 h6 24. Kf1 Ra5 25. Ne5 Nxe5 26. dxe5 Qxe5 27. Bxe4 dxe4 28. Qc4 Rxb5 29. Qxc3 Rb3 30. Qxe5 Rxe5 31. Rc8+ Kh7 32. Kg2 b5 33. Rc7 Rf5 34. Rc2 h5 35. Raa2 Rd5 36. Rcb2 Rdd3 37. Rxb3 Rxb3 38. Kf1 f6 39. Ke2 Kg6 40. Kd2 Kf5 41. Rc2 Rxa3 42. Rc5+ Kg4 43. Rxb5 Ra2+ 44. Ke1 Kf3 45. Rf5+ Kg2 46. Rf4 a3 47. Rxe4 Rb2 0-1

[Event "EU-Cup (Women) 27th"]
[Site "Durres"]
[Date "2023.10.07"]
[Round "7.4"]
[White "Dereka, Konstantina"]
[Black "Cramling, Pia"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "1696"]
[BlackElo "2446"]
[PlyCount "96"]
[EventDate "2023.10.01"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "ALB"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Galaxias (W)"]
[BlackTeam "Monte Carlo (W)"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "MNC"]

1. d4 Nf6 2. c4 b6 3. Nf3 Bb7 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 c5 10. e3 Nc6 11. Rd1 Rc8 12. Qd2 Na5 13. b3 cxd4 14. Nxd4 Bxg2 15. Kxg2 d5 16. cxd5 Qxd5+ 17. Kg1 Rfd8 18. Ba3 Nc6 19. Qe2 Bxd4 20. exd4 Nxd4 21. Qe3 e5 22. Bb2 Rc2 23. Bxd4 exd4 24. Qd3 Qc6 25. Rd2 Rxd2 26. Qxd2 d3 27. Rc1 Qf3 28. Re1 h5 29. h4 Qc6 30. Rc1 Qd5 31. Rd1 a5 32. Rc1 Kh7 33. Rd1 Rd6 34. Qf4 Kg7 35. Qd2 Kh7 36. Qf4 Rd7 37. Qd2 Qc5 38. Rc1 Qd4 39. Rd1 a4 40. Qe3 Qxe3 41. fxe3 axb3 42. axb3 d2 43. b4 Kg7 44. Kf2 Kf6 45. Kf3 Ke5 46. b5 Rd3 47. g4 hxg4+ 48. Kxg4 Ke4 0-1

[Event "GRE-chT 50th"]
[Site "Nikaia"]
[Date "2023.08.30"]
[Round "7.6"]
[White "Dereka, Konstantina"]
[Black "Tsivelekidou, Evgenia"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "1610"]
[BlackElo "1932"]
[PlyCount "54"]
[EventDate "2023.08.25"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Amo Galaxias"]
[BlackTeam "Kavalas"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. Bg5 Be7 6. e4 0-0 7. Nf3 Ne8 8. Bxe7 Qxe7 9. Bd3 g6 10. 0-0 f5 11. exf5 gxf5 12. Nd2 e4 13. Re1 Qg7 14. Be2 Kh8 15. Nf1 Nd7 16. Ng3 Ne5 17. Nh5 Qe7 18. Nf4 Rg8 19. Qc1 Nf6 20. Nd1 Ng6 21. Bf1 Bd7 22. f3 Ne5 23. Kh1 exf3 24. gxf3 Qg7 25. Qe3 Nxf3 26. Bg2 Nxe1 27. Qxe1 Nh5 0-1

[Event "GRE-chT 50th"]
[Site "Nikaia"]
[Date "2023.08.29"]
[Round "6.6"]
[White "Kiousi, Panagiota"]
[Black "Dereka, Konstantina"]
[Result "0-1"]
[ECO "D47"]
[WhiteElo "1834"]
[BlackElo "1610"]
[PlyCount "71"]
[EventDate "2023.08.25"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Phisiolatris"]
[BlackTeam "Amo Galaxias"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bb3 Bb7 9. 0-0 a6 10. Bc2 c5 11. Qe2 Be7 12. Rd1 Qc7 13. e4 cxd4 14. Nxd4 0-0 15. Bg5 Rac8 16. Rac1 Rfe8 17. Nb3 h6 18. Bh4 Qb6 19. Bg3 b4 20. Nb1 a5 21. Bf4 Ba6 22. Qf3 a4 23. Be3 Qb8 24. Nd4 Ne5 25. Qg3 b3 26. axb3 axb3 27. Bxb3 Nxe4 28. Qf4 Nc5 29. Bc2 Bd3 30. Qg3 Ne4 31. Qh3 Bxc2 32. Rxc2 Rxc2 33. Nxc2 Qxb2 34. Ne1 Qe2 35. Rc1 Bg5 36. Qg3 0-1

[Event "GRE-chT 50th"]
[Site "Nikaia"]
[Date "2023.08.28"]
[Round "5.6"]
[White "Dereka, Konstantina"]
[Black "Koutsouraki, Ariadni"]
[Result "1-0"]
[ECO "D48"]
[WhiteElo "1610"]
[BlackElo "1556"]
[PlyCount "59"]
[EventDate "2023.08.25"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Amo Galaxias"]
[BlackTeam "Thessaloniki Aris"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 a6 6. Nc3 b5 7. Bd3 Bb7 8. 0-0 c5 9. Qe2 Nbd7 10. Rd1 Be7 11. dxc5 Bxc5 12. b3 0-0 13. Bb2 Qb6 14. Rac1 Rac8 15. Bb1 Rfd8 16. h3 h6 17. Nd2 Qa7 18. Nde4 Nxe4 19. Nxe4 Bxe4 20. Bxe4 f5 21. Bf3 Qb6 22. b4 Qa7 23. bxc5 Nf8 24. c6 Qc7 25. Qc2 Rxd1+ 26. Rxd1 Rb8 27. Qc3 b4 28. Qe5 Qxe5 29. Bxe5 Rc8 30. c7 1-0

[Event "GRE-chT 50th"]
[Site "Nikaia"]
[Date "2023.08.27"]
[Round "4.6"]
[White "Ergazaki, Eirini"]
[Black "Dereka, Konstantina"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1603"]
[BlackElo "1610"]
[PlyCount "95"]
[EventDate "2023.08.25"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Piraikos"]
[BlackTeam "Amo Galaxias"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. d3 d5 6. e5 Ne7 7. f4 Nf5 8. Nf3 Be7 9. 0-0 0-0 10. b3 f6 11. Na4 Bd7 12. Re1 Nd4 13. Nxd4 cxd4 14. g3 fxe5 15. Rxe5 Bd6 16. Re1 Qf6 17. Qe2 Qg6 18. Qg2 Rae8 19. Bd2 Rf6 20. Rf1 Qh5 21. Qf3 Qf7 22. Qg2 Rg6 23. Rae1 h5 24. h4 Rg4 25. Kh2 Qg6 26. Rf3 Rf8 27. Ref1 Be7 28. Qf2 Rf5 29. Nb2 e5 30. fxe5 Bxh4 31. Rg1 Rxf3 32. Qxf3 Be7 33. Nd1 h4 34. Nf2 hxg3+ 35. Rxg3 Rh4+ 36. Kg1 Qe6 37. Bg5 Bxg5 38. Rxg5 Qh6 39. Qg3 Rh5 40. Rxh5 Qxh5 41. Kf1 Qh6 42. Kg2 Qd2 43. Qh4 g5 44. Qh6 Be8 45. Qe6+ Kf8 46. Qf6+ Kg8 47. Qe6+ Kf8 48. Qh6+ 1/2-1/2

[Event "GRE-chT 50th"]
[Site "Nikaia"]
[Date "2023.08.26"]
[Round "3.6"]
[White "Dereka, Konstantina"]
[Black "Pasoglou, Nikoleta"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "1610"]
[BlackElo "1465"]
[PlyCount "55"]
[EventDate "2023.08.25"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Amo Galaxias"]
[BlackTeam "OPHI"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 b6 5. Nf3 Bb7 6. a3 Bxc3 7. Bxc3 0-0 8. b4 Ne4 9. Bb2 d6 10. g3 Nd7 11. Bg2 f5 12. 0-0 Qe7 13. Qc2 c5 14. dxc5 dxc5 15. Rad1 Rad8 16. Qa4 a6 17. Ne1 Nb8 18. Nd3 Nc6 19. e3 Rc8 20. Qb3 cxb4 21. axb4 Rfd8 22. c5 bxc5 23. Bxe4 fxe4 24. Nxc5 Re8 25. Rd7 Na5 26. bxa5 Bd5 27. Rxe7 Bxb3 28. Rxg7+ 1-0

[Event "GRE-chT 50th"]
[Site "Nikaia"]
[Date "2023.08.26"]
[Round "2.6"]
[White "Dereka, Konstantina"]
[Black "Tsampouli, Vasiliki"]
[Result "1-0"]
[ECO "D40"]
[WhiteElo "1610"]
[BlackElo "1557"]
[PlyCount "43"]
[EventDate "2023.08.25"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Amo Galaxias"]
[BlackTeam "Kalamarias"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. Nc3 a6 7. 0-0 b5 8. Bd3 Bb7 9. a3 Nbd7 10. Qe2 cxd4 11. Nxd4 Be7 12. Rd1 Qb6 13. Bc2 0-0 14. e4 g6 15. Be3 Qc7 16. Rac1 Rfd8 17. Bb1 Qa5 18. Nb3 Qc7 19. Nd5 Nxd5 20. Rxc7 Nxc7 21. Na5 Rab8 22. Ba7 1-0

[Event "Aegean op 46th"]
[Site "Aghios Kirykos"]
[Date "2023.07.16"]
[Round "9"]
[White "Haddad, Gabriel"]
[Black "Dereka, Konstantina"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "1848"]
[BlackElo "1544"]
[PlyCount "85"]
[EventDate "2023.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c6 3. d4 d5 4. e3 e6 5. Nc3 Nbd7 6. Bd3 Be7 7. Qc2 0-0 8. 0-0 a6 9. b3 b6 10. e4 dxe4 11. Nxe4 Bb7 12. Rd1 Nxe4 13. Bxe4 Nf6 14. Bf4 Qc8 15. Re1 c5 16. Bxb7 Qxb7 17. Be5 cxd4 18. Bxd4 Nd7 19. Qc3 Bf6 20. Rad1 Rac8 21. Bxf6 Nxf6 22. Qe3 Rfd8 23. h3 h6 24. a3 Nd7 25. Rd6 Nc5 26. Red1 Rxd6 27. Rxd6 Qc7 28. Rd1 Rd8 29. Rxd8+ Qxd8 30. Qd2 Qf6 31. b4 Qa1+ 32. Kh2 Ne4 33. Qe3 Nc3 34. Qxb6 Qxa3 35. Qd8+ Kh7 36. Qe7 a5 37. Qxf7 axb4 38. Ne5 b3 39. Qg6+ Kg8 40. Qxe6+ Kh7 41. Qg6+ Kg8 42. Qf7+ Kh7 43. Qg6+ 1/2-1/2

[Event "Aegean op 46th"]
[Site "Aghios Kirykos"]
[Date "2023.07.14"]
[Round "7"]
[White "Kollias, Ioannis K"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "1751"]
[BlackElo "1544"]
[PlyCount "49"]
[EventDate "2023.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. Bf4 e5 7. Be3 Nf6 8. Bg5 Be6 9. Bxf6 gxf6 10. N1c3 a6 11. Na3 b5 12. Nd5 Rc8 13. c3 Be7 14. Nc2 f5 15. exf5 Bxf5 16. Nce3 Be6 17. a4 Rb8 18. axb5 axb5 19. Bd3 b4 20. 0-0 h5 21. Qa4 Bd7 22. Bf5 Qc8 23. Bxd7+ Qxd7 24. cxb4 Nd8 25. Nc7+ 1-0

[Event "Aegean op 46th"]
[Site "Aghios Kirykos"]
[Date "2023.07.11"]
[Round "4"]
[White "Teskos, Georgios"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1839"]
[BlackElo "1544"]
[PlyCount "19"]
[EventDate "2023.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 h6 3. Bh4 c5 4. dxc5 Qa5+ 5. Nc3 e6 6. e4 dxe4 7. b4 Qc7 8. Nb5 Qd7 9. Qxd7+ Kxd7 10. 0-0-0+ 1-0

[Event "Aegean op 46th"]
[Site "Aghios Kirykos"]
[Date "2023.07.10"]
[Round "2"]
[White "Sarandos, Vasilios"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2111"]
[BlackElo "1544"]
[PlyCount "25"]
[EventDate "2023.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg4 7. Qb3 Qb6 8. h3 Bh5 9. g4 Bg6 10. Nxg6 hxg6 11. Bg2 Be7 12. g5 dxc4 13. Qxb6 1-0

[Event "Chalkida Evoiki op 5th"]
[Site "Chalkida"]
[Date "2023.01.08"]
[Round "7"]
[White "Styfougias, Evangelos"]
[Black "Dereka, Konstantina"]
[Result "1/2-1/2"]
[ECO "B44"]
[WhiteElo "1384"]
[BlackElo "1524"]
[PlyCount "45"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 Bb4 7. Nxc6 bxc6 8. Bd3 0-0 9. Qc2 h6 10. 0-0 d5 11. Ne2 Qb6 12. a3 Bd6 13. b4 Qb8 14. Ng3 Bb7 15. c5 Be5 16. Bb2 Bxb2 17. Qxb2 a5 18. Rfe1 Ba6 19. Bxa6 Rxa6 20. exd5 Nxd5 21. Nh5 f6 22. Qe2 Qc8 23. Qg4 1/2-1/2

[Event "Chalkida Evoiki op 5th"]
[Site "Chalkida"]
[Date "2023.01.07"]
[Round "5"]
[White "Skembris, Spyridon"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "D42"]
[WhiteElo "2385"]
[BlackElo "1524"]
[PlyCount "57"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 Nc6 6. Nf3 e6 7. Bd3 Be7 8. 0-0 0-0 9. a3 b6 10. cxd5 Nxd5 11. Nxd5 exd5 12. Qc2 Qd6 13. Bxh7+ Kh8 14. Bf5 Bf6 15. Be3 Ne7 16. Bxc8 Raxc8 17. Qd3 g6 18. Rac1 Kg7 19. Qd2 Rh8 20. Rxc8 Nxc8 21. Bf4 Qd7 22. Be5 Qf5 23. Qe3 Ne7 24. Rc1 Rc8 25. Rxc8 Nxc8 26. Bxf6+ Qxf6 27. Qe5 Nd6 28. Qxd5 Qf4 29. g3 1-0

[Event "Chalkida Evoiki op 5th"]
[Site "Chalkida"]
[Date "2023.01.06"]
[Round "2"]
[White "Dereka, Konstantina"]
[Black "Betsakos, Konstantinos"]
[Result "0-1"]
[ECO "A90"]
[WhiteElo "1524"]
[BlackElo "2039"]
[PlyCount "80"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 c6 5. Nc3 d5 6. Nf3 Bd6 7. e3 0-0 8. 0-0 b6 9. cxd5 cxd5 10. Qa4 Bd7 11. Qb3 Nc6 12. Nb5 Na5 13. Qd3 Bb8 14. b3 Qc8 15. Nc3 Ne4 16. Bb2 Qe8 17. Rfc1 h5 18. Ne2 g5 19. Ne5 Bb5 20. Qd1 Nc6 21. Nc3 Nxe5 22. Nxb5 Ng4 23. Qe2 Ngxf2 24. Nc7 Bxc7 25. Rxc7 Ng4 26. Rac1 Qg6 27. R1c6 h4 28. Bxe4 dxe4 29. d5 hxg3 30. Rg7+ Qxg7 31. Bxg7 gxh2+ 32. Kh1 Kxg7 33. dxe6 Rfd8 34. Rc1 Rd3 35. Qb2+ Kg6 36. e7 Re8 37. Qc2 Rxe7 38. Qc6+ Kg7 39. Qc8 Red7 40. Qc2 Rd1+ 0-1

[Event "GRE-chT 49th"]
[Site "Thessaloniki"]
[Date "2022.08.17"]
[Round "7.4"]
[White "Dereka, Konstantina"]
[Black "Bichaki, Ourania"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1459"]
[BlackElo "1227"]
[PlyCount "91"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 c6 7. Qc2 b6 8. cxd5 exd5 9. Bd3 h6 10. Bh4 Bb7 11. 0-0 0-0 12. Rfd1 Re8 13. Rac1 Ne4 14. Bxe7 Qxe7 15. h3 Ndf6 16. Qe2 Rec8 17. Nd2 Nxd2 18. Rxd2 Ne4 19. Nxe4 dxe4 20. Ba6 c5 21. Rdc2 Bxa6 22. Qxa6 Rc6 23. dxc5 Rxc5 24. Rxc5 bxc5 25. Qc6 Rd8 26. Rxc5 Rd1+ 27. Kh2 Rd2 28. Rc2 Qe5+ 29. g3 Rd6 30. Qa8+ Kh7 31. Qxa7 Qe6 32. Qc5 Rd5 33. Qc4 Qe5 34. a4 f6 35. Qe2 Ra5 36. Rc4 Qe8 37. Qc2 f5 38. b3 Qe7 39. Qc3 Rd5 40. Rd4 Rc5 41. Qb4 Qc7 42. Rc4 Rxc4 43. Qxc4 Qa7 44. Qb5 Kg6 45. a5 Qa8 46. a6 1-0

[Event "GRE-chT 49th"]
[Site "Thessaloniki"]
[Date "2022.08.16"]
[Round "6.5"]
[White "Dereka, Konstantina"]
[Black "Ergazaki, Eirini"]
[Result "1-0"]
[ECO "E21"]
[WhiteElo "1459"]
[BlackElo "1654"]
[PlyCount "77"]
[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 "OFI"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 b6 5. Nf3 Bb7 6. a3 Bxc3 7. Bxc3 d6 8. g3 0-0 9. Bg2 Ne4 10. Rc1 f5 11. 0-0 Nd7 12. b4 Nxc3 13. Rxc3 Qe7 14. Qb3 c5 15. Rd1 Nf6 16. Rcd3 cxd4 17. Nxd4 Ne4 18. Nb5 d5 19. cxd5 Bxd5 20. Qb2 Rfd8 21. Nd4 Qf6 22. Qa1 Rac8 23. Nb3 Nc3 24. Bxd5 exd5 25. R1d2 Kf7 26. Nd4 Ne4 27. Rd1 Rd7 28. Nxf5 Qxf5 29. Rf3 Qxf3 30. exf3 Nc3 31. Rd3 Ne2+ 32. Kg2 Rc1 33. Qe5 Rg1+ 34. Kh3 Re1 35. Qf5+ Ke8 36. Rxd5 Re7 37. Qxh7 Rf7 38. Qg8+ Rf8 39. Qe6# 1-0

[Event "GRE-chT 49th"]
[Site "Thessaloniki"]
[Date "2022.08.14"]
[Round "4.5"]
[White "Dereka, Konstantina"]
[Black "Koutsouraki, Ariadni"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "1459"]
[BlackElo "1451"]
[PlyCount "64"]
[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 "Thessaloniki Aris"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 dxc4 7. e3 c5 8. Bxc4 cxd4 9. Nxd4 Bd7 10. 0-0 Nc6 11. Nf3 0-0 12. Qe2 Nh5 13. Bxe7 Qxe7 14. Rfd1 Rfd8 15. Rd2 Be8 16. Rad1 Rxd2 17. Rxd2 Rd8 18. Qd1 Rxd2 19. Qxd2 Qc5 20. Bd3 Nf6 21. h3 Nb4 22. Bb1 Nbd5 23. Ne4 Nxe4 24. Bxe4 Qc4 25. Bxd5 Qxd5 26. Qxd5 exd5 27. Nd4 Kf8 28. Kf1 Bd7 29. Ke2 Ke7 30. Kd3 Kd6 31. b4 a6 32. a3 Ke5 1/2-1/2

[Event "GRE-chT 49th"]
[Site "Thessaloniki"]
[Date "2022.08.13"]
[Round "3.3"]
[White "Tsivelekidou, Evgenia"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1986"]
[BlackElo "1459"]
[PlyCount "29"]
[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 "Kavalas"]
[BlackTeam "Amo Galaxias"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nf3 c5 5. c3 Bd6 6. Bg3 Nc6 7. Bb5 0-0 8. Nbd2 a6 9. Bxc6 bxc6 10. Qa4 Bxg3 11. hxg3 Qb6 12. Qc2 Rb8 13. Rb1 a5 14. Ne5 Ba6 15. Nd7 1-0

[Event "GRE-chT 49th"]
[Site "Thessaloniki"]
[Date "2022.08.12"]
[Round "1.7"]
[White "Dereka, Konstantina"]
[Black "Sklavounou, Iliana"]
[Result "1/2-1/2"]
[ECO "E51"]
[WhiteElo "1459"]
[BlackElo "1387"]
[PlyCount "105"]
[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 "Kerkeras"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 0-0 5. Nf3 d5 6. e3 b6 7. cxd5 Nxd5 8. Bd3 f5 9. 0-0 Nxc3 10. bxc3 Bd6 11. e4 Ba6 12. Bxa6 Nxa6 13. Qb3 Qd7 14. exf5 Rxf5 15. Rfe1 Re8 16. Ng5 Rf6 17. Qc4 b5 18. Qd3 Rg6 19. a4 Nc5 20. Qc2 Nxa4 21. Re4 Be7 22. Nf3 Bf6 23. h4 Qd5 24. c4 Qf5 25. Ne1 a6 26. cxb5 axb5 27. Qc6 Rd8 28. Rf4 Qd5 29. Qxc7 e5 30. Rf5 Qxd4 31. Ra2 Qd7 32. Qc2 Qe6 33. Rf3 Bxh4 34. Rh3 Rxd2 35. Qxd2 Qxh3 36. Qd5+ Qe6 37. Qxb5 Bxf2+ 38. Rxf2 Nb6 39. Qd3 Qd6 40. Qb3+ Qd5 41. Qb4 Qd6 42. Qb3+ Qd5 43. Qb4 Qd6 44. Qb3+ Re6 45. Nf3 h6 46. Rd2 Qc5+ 47. Kh2 Kf7 48. Rc2 Qd6 49. Rd2 Qb8 50. Kh1 Kf6 51. Rf2 Ke7 52. Nh4 Rf6 53. Qd1 1/2-1/2

[Event "Thessaloniki op-B 1st"]
[Site "Thessaloniki"]
[Date "2022.08.08"]
[Round "7"]
[White "Dereka, Konstantina"]
[Black "Hidzos, Georgios"]
[Result "0-1"]
[ECO "E42"]
[WhiteElo "1459"]
[BlackElo "1762"]
[PlyCount "72"]
[EventDate "2022.08.03"]
[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 Bb4 4. e3 c5 5. Nge2 cxd4 6. Qxd4 0-0 7. a3 Nc6 8. Qd1 Be7 9. Nf4 b6 10. Be2 Ne5 11. 0-0 Bb7 12. b3 a6 13. Bb2 Qc7 14. Rc1 Rac8 15. Nd3 Ng6 16. Bf3 Nh4 17. Bxb7 Qxb7 18. f3 b5 19. cxb5 axb5 20. Kh1 d5 21. Re1 Rfd8 22. Qe2 Nf5 23. Nf4 b4 24. Qb5 Qxb5 25. Nxb5 bxa3 26. Rxc8 Rxc8 27. Nxa3 Bb4 28. Re2 Bxa3 29. Bxa3 Rc3 30. e4 Rxb3 31. Bc5 Rb1+ 32. Bg1 dxe4 33. fxe4 Nd4 34. Rd2 e5 35. Nd3 Nxe4 36. Ra2 f6 0-1

[Event "Thessaloniki op-B 1st"]
[Site "Thessaloniki"]
[Date "2022.08.07"]
[Round "6"]
[White "Tsintsar, Zoran"]
[Black "Dereka, Konstantina"]
[Result "1/2-1/2"]
[ECO "B47"]
[WhiteElo "1696"]
[BlackElo "1459"]
[PlyCount "119"]
[EventDate "2022.08.03"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. a4 b6 8. 0-0 Bb7 9. Kh1 Bc5 10. Nb3 Bb4 11. Na2 Be7 12. c3 Nf6 13. f3 d5 14. exd5 Nxd5 15. Nd4 0-0 16. Nxc6 Bxc6 17. c4 Nf4 18. Bxf4 Qxf4 19. Nc3 Rfd8 20. Qb3 Bd6 21. g3 Qh6 22. Kg2 Bc7 23. Rad1 Qe3 24. Qc2 Be5 25. Rxd8+ Rxd8 26. Rd1 Bd4 27. Qd3 Qf2+ 28. Kh3 Rd7 29. Ne4 Qe3 30. Qxe3 Bxe3 31. Rxd7 Bxd7 32. b3 f5 33. Nc3 Bd2 34. Nd1 a5 35. Kg2 Kf7 36. f4 Kf6 37. Bf3 e5 38. fxe5+ Kxe5 39. Kf2 Kd4 40. Ke2 Bb4 41. Bd5 h6 42. h4 f4 43. gxf4 Bg4+ 44. Bf3 Bxf3+ 45. Kxf3 Kd3 46. Ne3 Be7 47. h5 Bd8 48. Nd5 Kc2 49. b4 axb4 50. Nxb4+ Kb3 51. Nc6 Bc7 52. Ne5 Kxa4 53. Ke4 Bd8 54. Kf5 Kb3 55. Kg6 Bf6 56. Nd7 Kxc4 57. Nxb6+ Kd3 58. Nd7 Ke4 59. f5 Bd4 60. Nf8 1/2-1/2

[Event "Thessaloniki op-B 1st"]
[Site "Thessaloniki"]
[Date "2022.08.04"]
[Round "2"]
[White "Tzovanis, Anastasios Anagnost"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "1844"]
[BlackElo "1459"]
[PlyCount "47"]
[EventDate "2022.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e6 2. g3 Nf6 3. Bg2 Be7 4. e4 d5 5. cxd5 exd5 6. e5 Ne4 7. Ne2 0-0 8. 0-0 c5 9. d3 Ng5 10. f4 Nh3+ 11. Kh1 f6 12. f5 Ng5 13. e6 Nxe6 14. fxe6 Bxe6 15. Nf4 Bf7 16. Nc3 Nc6 17. Nfxd5 Bd6 18. Bf4 Nd4 19. Bxd6 Qxd6 20. Qg4 h5 21. Qf4 Qd7 22. Rae1 Rae8 23. Rxe8 Rxe8 24. Qxf6 1-0

[Event "EU-chT U18 Girls"]
[Site "Thessaloniki"]
[Date "2022.07.18"]
[Round "7.1"]
[White "Buchholz, Maja Patricia"]
[Black "Dereka, Konstantina"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "1879"]
[BlackElo "1451"]
[PlyCount "88"]
[EventDate "2022.07.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Germany U18 II"]
[BlackTeam "Greece Galaxias U18"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GRE"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. 0-0 0-0 6. b3 b6 7. Bb2 Bb7 8. Qc2 c5 9. cxd5 Nxd5 10. d4 Nd7 11. Nbd2 Rc8 12. Qb1 Qc7 13. e4 N5f6 14. Rc1 Qb8 15. Qd3 cxd4 16. Nxd4 Nc5 17. Qe3 Qa8 18. Re1 Rfd8 19. h3 Ba6 20. Nc4 Bb7 21. f3 Qb8 22. Kh2 h5 23. Rad1 h4 24. e5 hxg3+ 25. Kxg3 Nd5 26. Qd2 Nb4 27. Bf1 Qa8 28. Be2 Nc6 29. Qf4 Nxd4 30. Bxd4 Qb8 31. Rg1 g5 32. Qg4 f6 33. Kf2 Rxd4 34. Rxd4 fxe5 35. Rdd1 e4 36. b4 exf3 37. bxc5 Bxc5+ 38. Ne3 Qh2+ 39. Rg2 Qxg2+ 40. Qxg2 fxg2 41. Bg4 Rf8+ 42. Ke2 Bxe3 43. Bxe6+ Kg7 44. Kxe3 Rf1 0-1

[Event "EU-chT U18 Girls"]
[Site "Thessaloniki"]
[Date "2022.07.17"]
[Round "6.1"]
[White "Sheikh, Anum"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "1799"]
[BlackElo "1451"]
[PlyCount "95"]
[EventDate "2022.07.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "England U18"]
[BlackTeam "Greece Galaxias U18"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "GRE"]

1. e4 c5 2. g3 Nc6 3. Bg2 Nf6 4. Ne2 e6 5. f4 d6 6. d3 Be7 7. Nbc3 0-0 8. 0-0 Qc7 9. h3 Rd8 10. g4 h6 11. g5 hxg5 12. fxg5 Nh7 13. h4 Ne5 14. Ng3 f6 15. gxf6 Bxf6 16. h5 Bd7 17. h6 Be8 18. Nh5 Bxh5 19. Qxh5 Qf7 20. Qxf7+ Nxf7 21. hxg7 Kxg7 22. Be3 Nhg5 23. Rf4 Rh8 24. Rg4 Kf8 25. Rf1 Ke7 26. e5 Nxe5 27. Rxg5 Bxg5 28. Bxg5+ Kd7 29. Bf6 Rhf8 30. Bxe5 Rxf1+ 31. Kxf1 dxe5 32. Bxb7 Rb8 33. Ne4 Kc7 34. Nxc5 Kd6 35. b4 Rh8 36. Bg2 Rh4 37. a3 Rf4+ 38. Ke2 Rh4 39. Nb7+ Kc7 40. Na5 Rh5 41. Nc6 a6 42. Na5 Kb6 43. a4 Rg5 44. Kf2 Rf5+ 45. Bf3 Kc7 46. c4 Rf4 47. Nb3 Rd4 48. Nxd4 1-0

[Event "EU-chT U18 Girls"]
[Site "Thessaloniki"]
[Date "2022.07.16"]
[Round "5.1"]
[White "Dereka, Konstantina"]
[Black "Alexandri, Dimitra"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1451"]
[BlackElo "1683"]
[PlyCount "62"]
[EventDate "2022.07.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Greece Galaxias U18"]
[BlackTeam "Greece Galaxias U18"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Nf3 e5 7. d5 a5 8. g4 Na6 9. Be3 Nd7 10. Be2 Ndc5 11. Qd2 Bd7 12. 0-0-0 a4 13. Rdg1 c6 14. h4 cxd5 15. exd5 Qa5 16. Qd1 a3 17. Kb1 axb2 18. Qc2 Nb4 19. Qxb2 e4 20. Nd4 Na4 21. Nxa4 Qxa4 22. Qb3 Qxa2+ 23. Qxa2 Rxa2 24. Bd1 Rfa8 25. Bb3 R2a3 26. Kb2 Nd3+ 27. Kc2 Ba4 28. Bxa4 R8xa4 29. Nb5 Rxc4+ 30. Kd2 Ra2+ 31. Kd1 Rb4 0-1

[Event "EU-chT U18 Girls"]
[Site "Thessaloniki"]
[Date "2022.07.15"]
[Round "4.1"]
[White "Dereka, Konstantina"]
[Black "Bondar, Daria"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1451"]
[BlackElo "1566"]
[PlyCount "64"]
[EventDate "2022.07.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Greece Galaxias U18"]
[BlackTeam "Ukraine U18"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "UKR"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Nf3 Na6 7. Be3 c5 8. d5 e6 9. Bd3 exd5 10. exd5 Nb4 11. Bb1 b5 12. a3 Qa5 13. Nd2 bxc4 14. Nxc4 Qa6 15. axb4 Qxa1 16. bxc5 dxc5 17. Bxc5 Re8+ 18. Be3 Ba6 19. Bd3 Qxd1+ 20. Kxd1 Rad8 21. Bxa7 Ra8 22. Be3 Bxc4 23. Bxc4 Rxe3 24. fxe3 Ra1+ 25. Kd2 Rxh1 26. d6 Ra1 27. Bb5 Ra8 28. e4 Ne8 29. d7 Nc7 30. Bc6 Bxc3+ 31. bxc3 Rd8 32. c4 Ne6 0-1

[Event "EU-chT U18 Girls"]
[Site "Thessaloniki"]
[Date "2022.07.14"]
[Round "3.1"]
[White "Kara, Gulce Nehir"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1907"]
[BlackElo "1451"]
[PlyCount "101"]
[EventDate "2022.07.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Turkey U18"]
[BlackTeam "Greece Galaxias U18"]
[WhiteTeamCountry "TUR"]
[BlackTeamCountry "GRE"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 c5 5. c3 Nc6 6. Nbd2 Bd6 7. Bg3 0-0 8. Bd3 Re8 9. Ne5 Qc7 10. f4 c4 11. Bc2 b5 12. Qf3 a5 13. a4 Ba6 14. e4 Ne7 15. Bh4 Nxe4 16. Nxe4 dxe4 17. Bxe4 Rab8 18. axb5 Bxb5 19. Bxe7 Qxe7 20. Rxa5 f6 21. Qh5 f5 22. Bc6 Bxc6 23. Nxc6 Qc7 24. Ra7 g6 25. Rxc7 gxh5 26. Rd7 Rxb2 27. 0-0 Bf8 28. h4 Rd2 29. Rf3 Rd3 30. Kf2 Ra8 31. Rxd3 cxd3 32. Ke3 Ra2 33. Kxd3 Rxg2 34. Nd8 Rg6 35. c4 Bh6 36. c5 Bxf4 37. Re7 Bg3 38. c6 e5 39. dxe5 Bxe5 40. Rxe5 Rd6+ 41. Kc4 Rxd8 42. Rxf5 Kg7 43. Rxh5 Kg6 44. Rd5 Rc8 45. Kc5 Kf6 46. Rd7 h5 47. Kb6 Kf5 48. Kb7 Rg8 49. c7 Kg4 50. Rd4+ Kg3 51. c8Q 1-0

[Event "EU-chT U18 Girls"]
[Site "Thessaloniki"]
[Date "2022.07.13"]
[Round "2.1"]
[White "Dereka, Konstantina"]
[Black "Ziegenfuss, Antonia"]
[Result "0-1"]
[ECO "D59"]
[WhiteElo "1451"]
[BlackElo "2170"]
[PlyCount "68"]
[EventDate "2022.07.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Greece Galaxias U18"]
[BlackTeam "Germany U18"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 h6 6. Bh4 0-0 7. e3 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Qb3 Be6 12. Be2 c5 13. 0-0 Nd7 14. Rac1 Rfc8 15. Rfd1 a5 16. a4 g6 17. h3 c4 18. Qa2 Qb4 19. Rc3 b5 20. axb5 Nb6 21. Ra3 Bd7 22. Ne5 Bxb5 23. Qb1 c3 24. Bd3 Bxd3 25. Qxd3 c2 26. Rc1 Qxb2 27. Raa1 Rc3 28. Qd2 Nc4 29. Nxc4 Rxc4 30. Kh2 a4 31. f3 a3 32. e4 dxe4 33. fxe4 a2 34. d5 Rac8 0-1

[Event "GRE-chT U16"]
[Site "Thessaloniki"]
[Date "2021.12.19"]
[Round "6.5"]
[White "Terzidi, Natalia"]
[Black "Dereka, Konstantina"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "1133"]
[BlackElo "1515"]
[PlyCount "68"]
[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 "Thessaloniki ES"]
[BlackTeam "Galaxias"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. d4 Nc6 6. Be3 e5 7. dxe5 Qxe5 8. c3 Bc5 9. Nf3 Qe7 10. Qd2 0-0 11. Be2 Rd8 12. Bxc5 Qxc5 13. Qe3 Qxe3 14. fxe3 Bg4 15. Rd1 Re8 16. Kf2 Re7 17. h3 Be6 18. b3 a5 19. Nd4 Bd7 20. Bf3 Nd8 21. Rd2 c5 22. Nc2 Nc6 23. Rhd1 Be8 24. Rd5 b6 25. Rd6 Rc7 26. a3 Rb8 27. a4 g6 28. Na3 Ne5 29. Rd8 Rxd8 30. Rxd8 Re7 31. Ke2 Kg7 32. Rb8 c4 33. bxc4 Bxa4 34. Rxb6 Rc7 1/2-1/2

[Event "GRE-chT U16"]
[Site "Thessaloniki"]
[Date "2021.12.18"]
[Round "4.5"]
[White "Dereka, Konstantina"]
[Black "Kiousi, Panagiota"]
[Result "0-1"]
[ECO "C67"]
[WhiteElo "1515"]
[BlackElo "2023"]
[PlyCount "58"]
[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 "Galaxias"]
[BlackTeam "Nikaia Fysiolatris"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. Re1 Nd6 6. Bxc6 dxc6 7. Nxe5 Be7 8. d4 0-0 9. Bf4 Nf5 10. c3 Be6 11. Nd2 c5 12. dxc5 Bxc5 13. Ne4 Qxd1 14. Raxd1 Be7 15. Nd7 Rfd8 16. Ndc5 Rxd1 17. Rxd1 Bxa2 18. Nxb7 Rb8 19. Nec5 Nd6 20. Nxd6 cxd6 21. b4 g5 22. Bg3 f5 23. Ra1 Bc4 24. Rxa7 Re8 25. f4 dxc5 26. fxg5 cxb4 27. cxb4 Bxb4 28. Ra4 Bc5+ 29. Bf2 Re1# 0-1

[Event "GRE-chT U16"]
[Site "Thessaloniki"]
[Date "2021.12.18"]
[Round "5.5"]
[White "Vardaka, Sofia"]
[Black "Dereka, Konstantina"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1318"]
[BlackElo "1515"]
[PlyCount "94"]
[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 "Katerinis"]
[BlackTeam "Galaxias"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. Bd3 0-0 6. h4 h5 7. Nf3 c5 8. Ne5 cxd4 9. exd4 Qb6 10. Nf3 Nc6 11. Na4 Qa5+ 12. c3 Bg4 13. 0-0 Ne4 14. Qc2 Rac8 15. Qb3 Rfe8 16. Bxe4 dxe4 17. Ng5 Qf5 18. Be3 Be2 19. Rfe1 Na5 20. Qc2 Bd3 21. Qc1 b6 22. b3 e5 23. d5 Red8 24. Qb2 Rxd5 25. Bxb6 axb6 26. Nxb6 Rdd8 27. Nxc8 Rxc8 28. Qa3 Nc6 29. b4 Qg4 30. Qb3 Rc7 31. Qd5 Qxh4 32. Nxe4 Bxe4 33. Rxe4 Qd8 34. Qb3 Kh7 35. Rd1 Qa8 36. Rc4 Qb8 37. Rd6 Na7 38. Rxc7 Qxc7 39. Ra6 Nb5 40. c4 Nd4 41. Qd3 e4 42. Qxe4 Qxc4 43. Qb7 Qc1+ 44. Kh2 Qf4+ 45. Kg1 Ne2+ 46. Kf1 Ng3+ 47. Kg1 Ne2+ 1/2-1/2

[Event "GRE-chT U16"]
[Site "Thessaloniki"]
[Date "2021.12.17"]
[Round "3.5"]
[White "Dereka, Konstantina"]
[Black "Apostolakaki, Evangelia"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "1515"]
[BlackElo "1626"]
[PlyCount "60"]
[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 "Galaxias"]
[BlackTeam "Kavalas"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. e4 d5 6. e5 Ne4 7. Bd3 c5 8. Nge2 cxd4 9. Nxd4 Nd7 10. Bf4 Ndc5 11. a3 Bxc3+ 12. bxc3 Bd7 13. a4 Qa5 14. Bxe4 Nxe4 15. Ne2 Rac8 16. cxd5 exd5 17. 0-0 Nxc3 18. Qb2 Nxe2+ 19. Qxe2 Rc4 20. Bd2 Qd8 21. Rfb1 Bc6 22. e6 Re4 23. exf7+ Rxf7 24. Qd3 Bxa4 25. Be3 a6 26. Bb6 Qd7 27. Rc1 Bc6 28. Qg3 d4 29. Bc5 Rf6 30. Re1 Rfe6 0-1

[Event "GRE-chT U16"]
[Site "Thessaloniki"]
[Date "2021.12.17"]
[Round "2.5"]
[White "Tzovani, Dimitra"]
[Black "Dereka, Konstantina"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "1333"]
[BlackElo "1515"]
[PlyCount "102"]
[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 "Kalamarias ES"]
[BlackTeam "Galaxias"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d5 6. cxd5 Nxd5 7. Nc3 Nb6 8. d3 Nc6 9. Be3 e5 10. Qd2 Re8 11. Bh6 Bh8 12. Rfd1 Bf5 13. Rac1 Qd7 14. Nh4 Bh3 15. Bh1 Rab8 16. Bg5 Nd4 17. Ne4 Nd5 18. Nc5 Qd6 19. Ne4 Qb6 20. Nc3 Nxc3 21. Rxc3 Bg4 22. Re1 Qa5 23. Ra3 Qxd2 24. Bxd2 Nc2 25. Rxa7 Nxe1 26. Bxe1 Bxe2 27. Bxb7 Bf6 28. Bc6 Re6 29. Bd5 Rd6 30. Bc4 Bxd3 31. Bxd3 Rxd3 32. Bc3 Rc8 33. Kg2 Kg7 34. Ba5 c6 35. Nf3 e4 36. Nd2 Bxb2 37. Nxe4 Bf6 38. Bb6 Re8 39. Nxf6 Kxf6 40. a4 Rc8 41. Bc5 Rd5 42. Be3 c5 43. a5 c4 44. a6 Ra5 45. Bd4+ Ke6 46. Bc3 Ra4 47. Kf3 Rc6 48. Ke4 Raxa6 49. Rxa6 Rxa6 50. Kd4 Ra2 51. Be1 Re2 0-1

[Event "GRE-chT U16"]
[Site "Thessaloniki"]
[Date "2021.12.16"]
[Round "1.5"]
[White "Dereka, Konstantina"]
[Black "Alexandri, Dimitra"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "1515"]
[BlackElo "1507"]
[PlyCount "64"]
[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 "Galaxias"]
[BlackTeam "Neapolis Sykeon"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nfd7 7. Qd2 c5 8. d5 a6 9. g4 Ne5 10. h3 f5 11. f4 Nf7 12. gxf5 gxf5 13. Nge2 fxe4 14. Nxe4 b5 15. N2g3 b4 16. Nh5 Nh8 17. Nxg7 Kxg7 18. Rg1+ Ng6 19. h4 Bf5 20. Ng3 Bg4 21. Be2 Bxe2 22. Qxe2 Kh8 23. Qg4 Qd7 24. Qg5 Rg8 25. Ne4 Qh3 26. Bf2 Qf3 27. f5 Qxe4+ 28. Be3 Qxh4+ 29. Kd2 Qxg5 30. Bxg5 Ne5 31. Bxe7 Rxg1 32. Bf6+ Rg7 0-1

[Event "EU-ch Hybrid U16 Girls"]
[Site "Tornelo INT"]
[Date "2021.10.15"]
[Round "2"]
[White "Dereka, Konstantina"]
[Black "Bashylina, Luisa"]
[Result "0-1"]
[ECO "D87"]
[WhiteElo "1479"]
[BlackElo "2127"]
[PlyCount "126"]
[EventDate "2021.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Greece"]
[BlackTeam "Germany"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 0-0 10. Rc1 cxd4 11. cxd4 Qa5+ 12. Kf1 Rd8 13. h4 Qa3 14. Rc3 Qd6 15. Rd3 Na5 16. Bf4 Qd7 17. Bd5 e6 18. Bb3 Nxb3 19. axb3 b6 20. h5 Ba6 21. Rd2 Qc6 22. e5 Qe4 23. Be3 Bb7 24. Rh2 Rac8 25. Ng3 Qd5 26. hxg6 fxg6 27. Kg1 Rc3 28. Ne2 Rc7 29. Nf4 Qd7 30. Qb1 Rdc8 31. Ra2 Be4 32. Qa1 Bf5 33. f3 a5 34. g4 Bc2 35. Qb2 Qc6 36. Rf2 Bd1 37. Kg2 g5 38. Nh5 Rf8 39. Nf6+ Bxf6 40. exf6 Qd5 41. Ra1 Bxb3 42. Bxg5 Qxg5 43. Qxb3 Qxf6 44. Qxb6 Rc3 45. Raf1 a4 46. Qb4 Rd3 47. Qxa4 Rxd4 48. Qa7 Rf4 49. Rh1 Qg6 50. Qe3 R8f7 51. Re1 R7f6 52. Kg3 Qg5 53. Qe5 Qg6 54. Qh5 Qxh5 55. gxh5 R4f5 56. Kg4 Kf7 57. Rc1 Rf4+ 58. Kg3 Kg7 59. Re1 R4f5 60. Kg4 Kh6 61. Rxe6 Rg5+ 62. Kh4 Rxe6 63. f4 Rxh5+ 0-1

[Event "EU-ch Hybrid U16 Girls"]
[Site "Tornelo INT"]
[Date "2021.10.15"]
[Round "4"]
[White "Dereka, Konstantina"]
[Black "Chuchukova, Stefani"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "1479"]
[BlackElo "1698"]
[PlyCount "79"]
[EventDate "2021.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Greece"]
[BlackTeam "Bulgaria"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "BUL"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. e4 Bxf1 9. Kxf1 Nbd7 10. g3 Bg7 11. Kg2 Qa5 12. Qc2 0-0 13. h3 Rfb8 14. Be3 Ne8 15. Rhc1 Nc7 16. Nd2 Qa6 17. a4 Ne5 18. Rcb1 Rb4 19. Ra3 Nc4 20. Nxc4 Qxc4 21. f3 Rab8 22. Qd2 Bxc3 23. Rxc3 Qa2 24. Rbc1 Rxb2 25. R1c2 Qa1 26. Rxb2 Rxb2 27. Rc2 Rb1 28. Ra2 Qe5 29. a5 Na6 30. Qe2 Nb4 31. a6 Nxa2 32. a7 Rb2 33. a8Q+ Kg7 34. Bd2 Qd4 35. Bh6+ Kxh6 36. Qf8+ Kh5 37. g4+ Kg5 38. h4+ Kf4 39. Qxf7+ Ke5 40. f4# 1-0

[Event "EU-ch Hybrid U16 Girls"]
[Site "Tornelo INT"]
[Date "2021.10.15"]
[Round "9"]
[White "Dereka, Konstantina"]
[Black "Lindstad, Livia"]
[Result "1-0"]
[ECO "D17"]
[WhiteElo "1479"]
[BlackElo "1742"]
[PlyCount "47"]
[EventDate "2021.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Greece"]
[BlackTeam "Norway"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "NOR"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 e6 8. Bg5 h6 9. Bf4 Nb6 10. e3 Bb4 11. Rc1 Nfd5 12. Be5 0-0 13. Nxb6 Qxb6 14. Bd3 Ba5 15. 0-0 Bxd3 16. Nxd5 Qa6 17. Qg4 f6 18. Nxf6+ Kf7 19. Nd7 g6 20. Qh4 Bxf1 21. Qf6+ Ke8 22. Qxe6+ Kd8 23. Nxf8 c5 24. Qd7# 1-0

[Event "EU-ch Hybrid U16 Girls"]
[Site "Tornelo INT"]
[Date "2021.10.15"]
[Round "6"]
[White "Dereka, Konstantina"]
[Black "Pipiras, Filipa Fortuna"]
[Result "0-1"]
[ECO "D48"]
[WhiteElo "1479"]
[BlackElo "1995"]
[PlyCount "54"]
[EventDate "2021.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Greece"]
[BlackTeam "Portugal"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "POR"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 a6 6. 0-0 b5 7. Bd3 Bb7 8. Nc3 c5 9. a3 Nbd7 10. Qe2 Bd6 11. Rd1 Qb8 12. h3 0-0 13. Bc2 cxd4 14. exd4 Rc8 15. Qd3 g6 16. Bg5 Bc6 17. Bb3 b4 18. axb4 Qxb4 19. Na2 Qb7 20. d5 Bxd5 21. Bxd5 Nxd5 22. Nc3 Nc5 23. Qe2 Nxc3 24. bxc3 Ne4 25. Rab1 Qc6 26. Nd4 Nxc3 27. Qe1 Qd5 0-1

[Event "EU-ch Hybrid U16 Girls"]
[Site "Tornelo INT"]
[Date "2021.10.15"]
[Round "5"]
[White "Perez Garcia, Jimena"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "D87"]
[WhiteElo "1914"]
[BlackElo "1479"]
[PlyCount "47"]
[EventDate "2021.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Spain"]
[BlackTeam "Greece"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. 0-0 Nc6 10. Be3 Qc7 11. Rc1 Rd8 12. h4 b6 13. h5 Na5 14. Bd3 Bb7 15. h6 Bh8 16. f4 e5 17. fxe5 Bxe5 18. Qe1 Qe7 19. Qf2 Rd6 20. dxe5 Rxd3 21. Bg5 Qf8 22. Qf6 Bxe4 23. e6 Bf5 24. e7 1-0

[Event "EU-ch Hybrid U16 Girls"]
[Site "Tornelo INT"]
[Date "2021.10.15"]
[Round "7"]
[White "Tsekoura, Vaia"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "1591"]
[BlackElo "1479"]
[PlyCount "61"]
[EventDate "2021.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Greece"]
[BlackTeam "Greece"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. Be2 Be7 8. g4 h6 9. h4 b5 10. Bf3 Bb7 11. g5 Nfd7 12. a3 Ne5 13. gxh6 gxh6 14. Bh5 Qd7 15. Qe2 Nbc6 16. f4 Ng6 17. Bxg6 fxg6 18. Qg4 0-0-0 19. Qxe6 Qxe6 20. Nxe6 Rde8 21. 0-0-0 Bxh4 22. Rxd6 Be7 23. Rd2 Bxa3 24. bxa3 Rxe6 25. Rhd1 Na5 26. Bd4 Rhe8 27. f5 gxf5 28. exf5 R6e7 29. Bb6 Nc6 30. f6 Rf7 31. Ne4 1-0

[Event "EU-ch Hybrid U16 Girls"]
[Site "Tornelo INT"]
[Date "2021.10.15"]
[Round "3"]
[White "Volovich, Julia"]
[Black "Dereka, Konstantina"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "1742"]
[BlackElo "1479"]
[PlyCount "52"]
[EventDate "2021.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "England"]
[BlackTeam "Greece"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "GRE"]

1. d4 d6 2. c4 e5 3. e3 c6 4. Nc3 Nd7 5. Bd3 Ngf6 6. Nge2 Be7 7. 0-0 0-0 8. Rb1 a5 9. a3 Nb6 10. b4 axb4 11. axb4 Be6 12. c5 Nbd5 13. dxe5 dxe5 14. e4 Nc7 15. f4 exf4 16. Bxf4 Na6 17. Qc2 Nxb4 18. Rxb4 Bxc5+ 19. Kh1 Bxb4 20. Bg5 Be7 21. e5 Nd5 22. Bxh7+ Kh8 23. Bxe7 Qxe7 24. Ne4 Ne3 25. Qd3 Nxf1 26. Qf3 Qh4 0-1

[Event "EU-ch Hybrid U16 Girls"]
[Site "Tornelo INT"]
[Date "2021.10.15"]
[Round "1"]
[White "Zabrzanska, Weronika"]
[Black "Dereka, Konstantina"]
[Result "1/2-1/2"]
[ECO "D42"]
[WhiteElo "1892"]
[BlackElo "1479"]
[PlyCount "173"]
[EventDate "2021.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Greece"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "GRE"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Be2 cxd4 7. cxd4 Be7 8. Nc3 Qd6 9. 0-0 Nc6 10. Bg5 0-0 11. Qd2 Nd5 12. Ne4 Qd8 13. Rad1 b6 14. a3 Bb7 15. Bd3 Rc8 16. Bb1 Ba6 17. Rfe1 Na5 18. Ba2 Bc4 19. b4 Bxa2 20. Qxa2 Bxg5 21. Nfxg5 Nc4 22. Rc1 Nd6 23. Rxc8 Nxc8 24. Qc2 g6 25. Qc6 h6 26. Nf3 Nce7 27. Qc1 Kg7 28. Ne5 Nf5 29. Qb2 Nde7 30. Rd1 Nd5 31. Rc1 Qa8 32. b5 h5 33. Nc6 a6 34. a4 Rc8 35. Nc3 Nfe7 36. Nxd5 Nxd5 37. Qe2 Qb8 38. f3 Qf4 39. Re1 axb5 40. axb5 Kg8 41. Qe4 Qd2 42. g3 Qb2 43. Qe5 Qc2 44. Qe4 Qb2 45. Qe5 Qc2 46. Qd6 Qc3 47. Qe5 Qxf3 48. Rf1 Qa3 49. Qe2 Qd6 50. g4 hxg4 51. Qxg4 Ne3 52. Qh4 Rxc6 53. bxc6 Nxf1 54. Kxf1 Qxc6 55. Qf4 Qb7 56. Ke2 Qa6+ 57. Kd2 Qa5+ 58. Kc1 Qa1+ 59. Kc2 Qa8 60. h4 Qc6+ 61. Kd2 Qg2+ 62. Kc3 Qb7 63. h5 Qc6+ 64. Kb4 Qd5 65. h6 Qa5+ 66. Kc4 b5+ 67. Kb3 Qa4+ 68. Kb2 Qb4+ 69. Ka2 Qf8 70. Kb3 Kh7 71. Kc3 Qc8+ 72. Kb4 Qd7 73. Ka5 f5 74. Qh4 Qe8 75. Qf4 Qd8+ 76. Kxb5 g5 77. Qh2 Qd5+ 78. Ka6 Qc4+ 79. Kb7 Qd5+ 80. Kc7 Qxd4 81. Qh5 Qc5+ 82. Kd7 Qd5+ 83. Ke7 Qc5+ 84. Kxe6 Qc6+ 85. Kxf5 Qxh6 86. Qxg5 Qxg5+ 87. Kxg5 1/2-1/2

[Event "EU-ch Hybrid U16 Girls"]
[Site "Tornelo INT"]
[Date "2021.10.15"]
[Round "8"]
[White "Zrmanovska, Mihaela"]
[Black "Dereka, Konstantina"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "1321"]
[BlackElo "1479"]
[PlyCount "58"]
[EventDate "2021.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Macedonia"]
[BlackTeam "Greece"]
[WhiteTeamCountry "MKD"]
[BlackTeamCountry "GRE"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. Be2 Be7 8. 0-0 0-0 9. Qe1 b5 10. a3 Bb7 11. Bd3 Nbd7 12. f4 Nc5 13. Bd2 Nxd3 14. cxd3 d5 15. Nf3 dxe4 16. dxe4 Bc5+ 17. Kh1 Qe7 18. Be3 Ng4 19. Bxc5 Qxc5 20. Rc1 Qa7 21. Nd2 f5 22. Qe2 Rf6 23. h3 Rd8 24. e5 Rh6 25. Nf3 Rd4 26. Nxd4 Rxh3+ 27. Kg1 Qxd4+ 28. Rf2 Nxf2 29. Qxf2 Rh1+ 0-1

[Event "GRE-chT2 48th"]
[Site "Thessaloniki"]
[Date "2021.10.09"]
[Round "6.3"]
[White "Alexandri, Dimitra"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "1441"]
[BlackElo "1479"]
[PlyCount "101"]
[EventDate "2021.10.05"]
[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 "Neapolis Sykeon"]
[BlackTeam "Galaxias"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Bg7 6. e4 Nxc3 7. Bxc3 c5 8. d5 0-0 9. Qd2 Nd7 10. Bxg7 Kxg7 11. Nf3 Nf6 12. Bd3 Qb6 13. 0-0 Rd8 14. Qc3 e6 15. Bc4 exd5 16. exd5 Kg8 17. Rad1 Bg4 18. b3 Ne4 19. Qe3 Nd6 20. h3 Re8 21. Qd3 Bf5 22. Qc3 Ne4 23. Qb2 Qa5 24. g4 Bd7 25. Ne5 Bb5 26. Bxb5 Qxb5 27. Nc4 Qd7 28. Kg2 h5 29. f3 Ng5 30. h4 Nxf3 31. Rxf3 Qxg4+ 32. Kf2 Qxh4+ 33. Kg2 Re4 34. Qf2 Rg4+ 35. Kf1 Qh1+ 36. Ke2 Re8+ 37. Ne3 Qg2 38. d6 Qxf2+ 39. Kxf2 Rge4 40. d7 Rd8 41. Nc4 Re7 42. Rfd3 b6 43. Rd5 f6 44. Na3 Re6 45. Nb5 Kf8 46. Nxa7 Ke7 47. Nc8+ Kf7 48. Nd6+ Rxd6 49. Rxd6 b5 50. Rc6 Ke7 51. Rxc5 1-0

[Event "GRE-chT2 48th"]
[Site "Thessaloniki"]
[Date "2021.10.08"]
[Round "5.1"]
[White "Dereka, Konstantina"]
[Black "Apostolakaki, Evangelia"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "1479"]
[BlackElo "1588"]
[PlyCount "75"]
[EventDate "2021.10.05"]
[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 "Galaxias"]
[BlackTeam "Kavalas"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. e4 d6 6. Bd3 e5 7. Nge2 Nbd7 8. a3 Bxc3+ 9. bxc3 exd4 10. cxd4 c5 11. Bf4 Qe7 12. Ng3 g6 13. d5 h5 14. 0-0 Ng4 15. Qc1 Nge5 16. Bb1 Re8 17. Bd2 Nb6 18. Ba2 h4 19. Ne2 Nd3 20. Qc3 Qxe4 21. Bb1 Qxe2 22. Bxd3 Qh5 23. Qf6 h3 24. Bc3 Qh7 25. f4 Na4 26. f5 Nxc3 27. Qxc3 hxg2 28. Rf3 Re5 29. fxg6 fxg6 30. Rg3 Bf5 31. Bxf5 Rxf5 32. Qe3 Qf7 33. Rxg2 Rf8 34. h4 Qf6 35. Rb1 b6 36. Qh6 Kf7 37. Re1 Rh8 38. Qe3 0-1

[Event "GRE-chT2 48th"]
[Site "Thessaloniki"]
[Date "2021.10.07"]
[Round "4.2"]
[White "Dereka, Konstantina"]
[Black "Mplitsa, Artemis"]
[Result "1/2-1/2"]
[ECO "E39"]
[WhiteElo "1479"]
[BlackElo "1393"]
[PlyCount "139"]
[EventDate "2021.10.05"]
[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 "Galaxias"]
[BlackTeam "Alexandroupolis Ethnikos"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 0-0 6. Nf3 Na6 7. a3 Bxc3+ 8. Qxc3 Nxc5 9. b4 Nce4 10. Qc2 b6 11. e3 Ba6 12. Bd3 d5 13. b5 Bb7 14. Bb2 h6 15. 0-0 Rc8 16. Qe2 Qe7 17. Rac1 Rfd8 18. Nd4 Nc5 19. Bb1 Na4 20. Ba2 Nxb2 21. Qxb2 dxc4 22. Bxc4 Qd6 23. Be2 Qd7 24. Rfd1 Rxc1 25. Rxc1 Rc8 26. h3 Ne8 27. a4 Rc7 28. Bf3 Bxf3 29. Nxf3 Nf6 30. Ne5 Qd6 31. Rxc7 Qxc7 32. Nc6 Nd5 33. Qa3 a6 34. e4 Nf6 35. e5 Nd5 36. Qd6 axb5 37. axb5 Qxd6 38. exd6 Nf6 39. Ne5 Kf8 40. Kf1 Ke8 41. Ke2 Ne4 42. d7+ Kd8 43. Nc4 Kxd7 44. Nxb6+ Kc7 45. Na4 Nd6 46. b6+ Kc6 47. Kd3 Nc8 48. Kd4 Nxb6 49. Nc3 Nd5 50. Ne2 Kd6 51. h4 g5 52. hxg5 hxg5 53. g4 Nf6 54. f3 Nd7 55. Ng3 Nc5 56. Kc4 Ke5 57. Kxc5 Kf4 58. Nh5+ Kxf3 59. Nf6 e5 60. Kd5 e4 61. Nxe4 Kxg4 62. Nf6+ Kf5 63. Nh5 g4 64. Kd6 Kg5 65. Ng3 Kf6 66. Kd5 Kg5 67. Ke5 f6+ 68. Ke4 Kh4 69. Kf4 Kh3 70. Nf5 1/2-1/2

[Event "GRE-chT2 48th"]
[Site "Thessaloniki"]
[Date "2021.10.06"]
[Round "2.2"]
[White "Dereka, Konstantina"]
[Black "Karanasou, Angeliki Maria"]
[Result "1-0"]
[ECO "D61"]
[WhiteElo "1479"]
[PlyCount "111"]
[EventDate "2021.10.05"]
[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 "Galaxias"]
[BlackTeam "Kalamarias Han"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 Nbd7 7. Qc2 c5 8. Rd1 b6 9. dxc5 Nxc5 10. cxd5 exd5 11. Bxf6 Bxf6 12. Nxd5 Bb7 13. Nxf6+ Qxf6 14. Be2 Be4 15. Qc1 Rad8 16. 0-0 Bd3 17. Bxd3 Nxd3 18. Qc7 Nxb2 19. Rxd8 Rxd8 20. Qxa7 h6 21. Nd4 Nc4 22. Rc1 Na5 23. Rb1 Rd6 24. Rb5 Nc6 25. Qa8+ Kh7 26. Rxb6 Nxd4 27. Rxd6 Qxd6 28. Qe4+ Kg8 29. exd4 Qa3 30. Qc2 Qb4 31. Qd1 Qa3 32. Qd2 Qd6 33. g3 f6 34. Qc3 Qd5 35. Qb3 Qxb3 36. axb3 Kf7 37. Kg2 Ke6 38. Kf3 Kd5 39. Ke3 g5 40. Kd3 f5 41. b4 Kc6 42. Kc4 Kb6 43. d5 Kc7 44. Kc5 Kd7 45. d6 Kc8 46. Kc6 Kd8 47. d7 h5 48. b5 h4 49. gxh4 gxh4 50. f4 h3 51. b6 Ke7 52. Kc7 Ke6 53. d8Q Kf7 54. Kd7 Kg6 55. Ke6 Kh5 56. Qg5# 1-0

[Event "GRE-chT2 48th"]
[Site "Thessaloniki"]
[Date "2021.10.06"]
[Round "3.1"]
[White "Karavitaki, Antonia"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "D70"]
[WhiteElo "1430"]
[BlackElo "1479"]
[PlyCount "43"]
[EventDate "2021.10.05"]
[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 "Chania SA"]
[BlackTeam "Galaxias"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 g6 3. f3 d5 4. cxd5 Nxd5 5. e4 Nb6 6. Nc3 Bg7 7. Be3 0-0 8. Qd2 N8d7 9. 0-0-0 c6 10. h4 Nf6 11. Kb1 Be6 12. g4 Bc4 13. Nge2 c5 14. dxc5 Nbd7 15. g5 Ne5 16. gxf6 Bxf6 17. Qxd8 Rfxd8 18. Nd4 Bxf1 19. Rdxf1 Nc4 20. Nc2 Rd3 21. Nd5 Bxb2 22. Rd1 1-0

[Event "GRE-ch U20"]
[Site "Trikala"]
[Date "2021.08.24"]
[Round "2"]
[White "Pelantakis, Mihail"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "B89"]
[WhiteElo "1939"]
[BlackElo "1561"]
[PlyCount "69"]
[EventDate "2021.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 Nc6 7. Be3 a6 8. Qe2 Qc7 9. 0-0-0 Bd7 10. Bb3 b5 11. g4 b4 12. Nd5 exd5 13. exd5 Ne7 14. g5 Ne4 15. Nc6 Bxc6 16. dxc6 Qxc6 17. f3 Nc5 18. Bxc5 Qxc5 19. Ba4+ Kd8 20. Rd2 Nc6 21. Qe4 Kc7 22. Rd5 Qb6 23. Rf5 f6 24. Rd1 Rc8 25. gxf6 g6 26. Rfd5 Kb8 27. Qe6 Ne5 28. Rxe5 Bh6+ 29. Kb1 Bf4 30. Re4 Bxh2 31. Rdd4 a5 32. Rd5 Ka8 33. Rb5 Qc7 34. Qd5+ Ka7 35. Rxa5+ 1-0

[Event "GRE-ch U18"]
[Site "Chania"]
[Date "2021.07.18"]
[Round "5"]
[White "Dereka, Konstantina"]
[Black "Kalogridis, Antonios"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1591"]
[BlackElo "2080"]
[PlyCount "92"]
[EventDate "2021.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 Nc6 9. d5 Ne5 10. Nxe5 Bxe5 11. Qd2 0-0 12. f4 Bc7 13. Ba3 b6 14. c4 e5 15. Rd1 Bd6 16. Bb2 exf4 17. e5 Bxe5 18. Bxe5 Re8 19. Qxf4 Qd6 20. Be2 Qxe5 21. Qxe5 Rxe5 22. Kf2 Bd7 23. Bd3 Rae8 24. h4 h5 25. g3 Kg7 26. Rd2 Kf6 27. Kg2 Ke7 28. Rf1 f5 29. Ra1 Kd6 30. a4 Re1 31. Raa2 Rc1 32. a5 b5 33. cxb5 c4 34. Be2 Bxb5 35. Bf3 c3 36. Rdc2 Rxc2+ 37. Rxc2 Rc8 38. Kf2 Bd3 39. Rc1 Be4 40. Bxe4 fxe4 41. Ke3 Kxd5 42. Rd1+ Ke5 43. Rc1 c2 44. Kd2 Kd4 45. Ke2 e3 46. a6 Kc3 0-1

[Event "GRE-ch U18"]
[Site "Chania"]
[Date "2021.07.16"]
[Round "2"]
[White "Kazakos, Markos"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2069"]
[BlackElo "1591"]
[PlyCount "81"]
[EventDate "2021.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b3 Nf6 4. e5 Nd5 5. g3 Nc6 6. Bb2 Be7 7. Bg2 0-0 8. 0-0 d6 9. Na3 dxe5 10. Nxe5 Nd4 11. Nac4 f6 12. Nf3 e5 13. c3 Nf5 14. Re1 b5 15. Na3 Rb8 16. Qe2 c4 17. bxc4 bxc4 18. Nxc4 Ba6 19. d3 Bxc4 20. dxc4 Nb6 21. Bh3 Na4 22. Bc1 Nxc3 23. Qc2 Nd4 24. Nxd4 exd4 25. Bf5 h6 26. Bh7+ Kh8 27. Bxh6 d3 28. Qxd3 Qxd3 29. Bxd3 Bb4 30. a3 Ba5 31. Be3 Na4 32. Reb1 Nb2 33. Be2 Bc3 34. Ra2 a5 35. Bc1 Rfe8 36. Kf1 Na4 37. Rxb8 Rxb8 38. Be3 Bb2 39. Bd2 Nc5 40. Bxa5 Ne4 41. Bb4 1-0

[Event "GRE-ch U16 Girls"]
[Site "Patras"]
[Date "2021.07.08"]
[Round "7"]
[White "Kalogeridou, Ioanna"]
[Black "Dereka, Konstantina"]
[Result "0-1"]
[ECO "A55"]
[WhiteElo "1337"]
[BlackElo "1591"]
[PlyCount "80"]
[EventDate "2021.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. c4 Nbd7 4. Nc3 e5 5. dxe5 dxe5 6. e4 c6 7. Be2 Bb4 8. Bg5 Qa5 9. Bd2 Qc7 10. Bd3 Nc5 11. Qe2 Bg4 12. 0-0 Rd8 13. Bc2 Ne6 14. Qe1 Bxf3 15. gxf3 Nd4 16. Bd1 Nh5 17. a3 Be7 18. Kh1 Qd7 19. Rg1 Qh3 20. Qf1 Qe6 21. f4 Nxf4 22. Bxf4 exf4 23. Rxg7 Bf6 24. Rg1 Ke7 25. Bg4 Qe5 26. Rd1 h5 27. Be2 f3 28. Bd3 Qf4 29. Qh3 Rdg8 30. Rxg8 Rxg8 31. Bf1 Rg4 32. a4 Ne6 33. Qxh5 Rh4 34. Rd7+ Kxd7 35. Qxf7+ Kd6 36. h3 Be5 37. c5+ Kxc5 38. b4+ Kd6 39. Nb5+ cxb5 40. Qxb7 Qh2# 0-1

[Event "GRE-ch U16 Girls"]
[Site "Patras"]
[Date "2021.07.07"]
[Round "6"]
[White "Dereka, Konstantina"]
[Black "Gkika, Marina"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "1591"]
[BlackElo "1305"]
[PlyCount "101"]
[EventDate "2021.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. 0-0 Qe8 11. Nd2 Nh7 12. a3 Bd7 13. b3 h5 14. f3 Bh6 15. Bf2 Qe7 16. Rb1 h4 17. b4 axb4 18. axb4 Qg5 19. f4 exf4 20. Nf3 Qf6 21. Bd4 Qe7 22. e5 h3 23. Re1 Ng5 24. exd6 cxd6 25. Bf1 Nxf3+ 26. Qxf3 Qd8 27. Ne4 Bg7 28. Bxg7 Kxg7 29. Qxf4 hxg2 30. Bxg2 Bf5 31. Rb2 Bxe4 32. Qxe4 Re8 33. Qd4+ Qf6 34. Qxf6+ Kxf6 35. Rf1+ Kg7 36. Rc1 Rac8 37. Bh3 Rc7 38. c5 f5 39. Bf1 Rd8 40. c6 Nb8 41. b5 bxc6 42. dxc6 Rdc8 43. Rd2 Rd8 44. Bg2 Rdc8 45. b6 Rxc6 46. Bxc6 Nxc6 47. b7 Rb8 48. Rxc6 Rxb7 49. Rcxd6 Rb4 50. Kg2 Kh6 51. Kf3 1-0

[Event "GRE-ch U16 Girls"]
[Site "Patras"]
[Date "2021.07.06"]
[Round "5"]
[White "Apostolakaki, Evangelia"]
[Black "Dereka, Konstantina"]
[Result "0-1"]
[ECO "D90"]
[WhiteElo "1620"]
[BlackElo "1591"]
[PlyCount "86"]
[EventDate "2021.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. h4 c6 6. cxd5 cxd5 7. Bf4 Nc6 8. e3 0-0 9. Qb3 Na5 10. Qa3 Bf5 11. Be2 Rc8 12. Ne5 a6 13. g4 Be6 14. h5 Nc4 15. Nxc4 dxc4 16. Bg5 Nd5 17. Bf3 f6 18. Bh4 g5 19. Bg3 Qd7 20. Nxd5 Bxd5 21. e4 Be6 22. d5 Bxg4 23. Bg2 f5 24. h6 Bh8 25. e5 f4 26. Bxf4 Rxf4 27. Qe3 Qb5 28. 0-0 Qc5 29. Qc3 Rcf8 30. b4 Qd4 31. Qc2 Rxf2 32. Rxf2 Qxa1+ 33. Bf1 Qd4 34. Bxc4 Qxf2+ 35. Qxf2 Rxf2 36. Kxf2 Bxe5 37. d6+ Kf8 38. dxe7+ Kxe7 39. Bd3 Be6 40. Bxh7 Bxa2 41. Be4 b6 42. h7 Kf8 43. Kf3 Be6 0-1

[Event "GRE-ch U16 Girls"]
[Site "Patras"]
[Date "2021.07.05"]
[Round "4"]
[White "Dereka, Konstantina"]
[Black "Aggeletou, Fereniki"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1591"]
[BlackElo "1145"]
[PlyCount "81"]
[EventDate "2021.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[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. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 dxc4 7. e3 c5 8. Bxc4 cxd4 9. exd4 0-0 10. 0-0 Nc6 11. Re1 Nh5 12. Bxe7 Nxe7 13. Ne5 Nf6 14. Re3 Bd7 15. d5 exd5 16. Nxd5 Nexd5 17. Bxd5 Ba4 18. Bxf7+ Rxf7 19. Qxa4 Rc7 20. Rd1 Qf8 21. Qb3+ Kh7 22. Qd3+ Kg8 23. h3 Rac8 24. Ng6 Qf7 25. Rde1 Nd5 26. Re5 Nb4 27. Qe4 Nc6 28. Re6 Rd7 29. b4 a6 30. a4 Rcd8 31. b5 axb5 32. axb5 Rd4 33. Qe3 Rd3 34. Qe4 R3d4 35. Qb1 Rd2 36. f3 Nd4 37. Re7 Nxf3+ 38. gxf3 Qxf3 39. Re8+ Rxe8 40. Rxe8+ Kf7 41. Rf8+ 1-0

[Event "GRE-ch U16 Girls"]
[Site "Patras"]
[Date "2021.07.04"]
[Round "3"]
[White "Palaiochorinou, Agni"]
[Black "Dereka, Konstantina"]
[Result "0-1"]
[ECO "B83"]
[WhiteElo "1102"]
[BlackElo "1591"]
[PlyCount "144"]
[EventDate "2021.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 7. Be3 Nc6 8. Nb3 a6 9. 0-0 0-0 10. h3 b5 11. f4 b4 12. Na4 Rb8 13. Bf3 Qc7 14. a3 a5 15. Kh1 Ba6 16. Rf2 Bb5 17. axb4 axb4 18. c3 Ra8 19. Nd4 Nxd4 20. cxd4 Qc6 21. Rc2 Qa6 22. b3 Bd3 23. Rca2 Bxe4 24. Nc5 Qc6 25. Bxe4 Nxe4 26. Nxe4 Qxe4 27. Qd2 Rxa2 28. Rxa2 Qb1+ 29. Kh2 Qxb3 30. Rb2 Qc3 31. Rxb4 Qxd2 32. Bxd2 d5 33. Rb7 Bf6 34. Be3 Rc8 35. Rb3 g6 36. g4 Kg7 37. Kg3 Rc4 38. Rd3 h5 39. g5 Bd8 40. Rb3 Ba5 41. Kf3 Bc3 42. Bf2 Bxd4 43. Bxd4+ Rxd4 44. Ke3 Re4+ 45. Kf3 Ra4 46. Rd3 Kf8 47. Rc3 Ra7 48. Rc8+ Ke7 49. Ke2 Ra3 50. Rc7+ Kf8 51. Rc8+ Kg7 52. Rc1 Rxh3 53. Kf2 Rb3 54. Rh1 Rb4 55. Ke3 f6 56. Ra1 Rb7 57. Kd4 Kf7 58. Kc5 fxg5 59. fxg5 Rd7 60. Kd4 Ke7 61. Rf1 Kd6 62. Rf6 Rg7 63. Rf3 e5+ 64. Kc3 Rc7+ 65. Kd2 Kc5 66. Rc3+ Kb6 67. Rb3+ Ka5 68. Ra3+ Kb4 69. Ra6 Rg7 70. Re6 e4 71. Re5 Kc4 72. Ke3 h4 0-1

[Event "GRE-ch U16 Girls"]
[Site "Patras"]
[Date "2021.07.03"]
[Round "2"]
[White "Dereka, Konstantina"]
[Black "Tzakosta, Konstantina"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "1591"]
[BlackElo "1021"]
[PlyCount "136"]
[EventDate "2021.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. a3 e5 2. c4 Nf6 3. Nc3 b6 4. Nf3 e4 5. Nd4 c5 6. Nc2 Bb7 7. d3 exd3 8. Qxd3 d5 9. Bf4 a6 10. Rd1 d4 11. e3 Qe7 12. Na4 Nbd7 13. Qe2 Bc6 14. b3 b5 15. Nb2 dxe3 16. Nxe3 Ne4 17. Qc2 Qf6 18. Bc7 Qc3+ 19. Qxc3 Nxc3 20. Rc1 Ne4 21. Be2 Rc8 22. Bf4 Be7 23. f3 Bf6 24. Nd3 Ng5 25. Nf5 0-0 26. Nd6 Ra8 27. 0-0 Ne6 28. Bg3 Nd4 29. Bd1 Rad8 30. Re1 Bg5 31. f4 Bf6 32. cxb5 axb5 33. Ne5 Nxe5 34. fxe5 Be7 35. Rxc5 f6 36. Bf2 fxe5 37. Bxd4 exd4 38. Rxc6 Bxd6 39. b4 Bf4 40. Bb3+ Kh8 41. Rb6 Rb8 42. Rxb8 Rxb8 43. Kf2 Be3+ 44. Kg3 Ra8 45. Ra1 Bd2 46. Ra2 Bc3 47. Bd5 Rb8 48. Re2 g6 49. Bc6 Rb6 50. Bd7 Ra6 51. Ra2 Bxb4 52. Bxb5 Rxa3+ 53. Rxa3 Bxa3 54. Kg4 Kg7 55. h3 Kf6 56. Kf4 Bb2 57. h4 Bc3 58. Bd3 h5 59. Ke4 Be1 60. Kxd4 Bxh4 61. Be4 Bg3 62. Ke3 g5 63. Bf3 g4 64. Bb7 Kg5 65. Ke2 Kf4 66. Bc6 h4 67. Bb7 Bh2 68. Bc6 Ke5 1/2-1/2

[Event "GRE-ch U16 Girls"]
[Site "Patras"]
[Date "2021.07.02"]
[Round "1"]
[White "Dimaki, Evangelia"]
[Black "Dereka, Konstantina"]
[Result "1/2-1/2"]
[ECO "D77"]
[WhiteElo "1150"]
[BlackElo "1591"]
[PlyCount "95"]
[EventDate "2021.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d5 6. 0-0 dxc4 7. Nbd2 Nc6 8. Nxc4 Re8 9. Nce5 Nxe5 10. Nxe5 e6 11. e4 c6 12. Bg5 h6 13. Bxf6 Bxf6 14. Qf3 Qe7 15. Ng4 Bg7 16. e5 Rd8 17. Rfd1 h5 18. Nf6+ Bxf6 19. exf6 Qd6 20. g4 hxg4 21. Qxg4 e5 22. Qg5 exd4 23. Be4 Kh7 24. Qh5+ Kg8 25. Bxg6 Qxf6 26. Be4 Rd6 27. Rd3 Qh6 28. Qxh6 Rxh6 29. Rxd4 Be6 30. a3 Rh4 31. Rad1 Kg7 32. f3 Rah8 33. R1d2 Kf6 34. Rd8 R8h5 35. Rb8 b6 36. Bxc6 Rc4 37. Be4 Rg5+ 38. Kf2 Bh3 39. Rb7 Ra4 40. Ke3 Rc5 41. Bd5 Be6 42. Bxe6 Kxe6 43. Rd4 Raa5 44. Kd3 Rf5 45. Ke3 Rfb5 46. Rd2 Re5+ 47. Kd3 Rad5+ 48. Kc3 1/2-1/2

[Event "EU-ch Amateur Online Final 1400/1700"]
[Site "Tornelo INT"]
[Date "2021.04.18"]
[Round "6"]
[White "Biriuta, Anghel Corneliu"]
[Black "Dereka, Konstantina"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1314"]
[BlackElo "1591"]
[PlyCount "92"]
[EventDate "2021.04.18"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. Nc3 d5 6. d4 c5 7. dxc5 Qc7 8. Nxd5 Qxc5 9. Nxf6+ Bxf6 10. c3 Nc6 11. Be3 Qb5 12. Qc2 Bf5 13. Qb3 Qxb3 14. axb3 Rfd8 15. b4 a6 16. Bb6 Rd7 17. b5 Nd8 18. Rfd1 Rxd1+ 19. Rxd1 Ne6 20. bxa6 Rxa6 21. Bd4 Ra2 22. Bxf6 exf6 23. Rd2 Ra1+ 24. Bf1 Bh3 25. Rd8+ Nxd8 26. Nd2 Bxf1 27. Nxf1 Rb1 28. Kg2 Rxb2 29. Kf3 Nc6 30. Ne3 Ne5+ 31. Ke4 Rxe2 32. f4 Nc4 33. Kd3 Rxe3+ 34. Kxc4 Re2 35. Kd3 Rxh2 36. Ke3 b5 37. g4 h5 38. gxh5 gxh5 39. f5 h4 40. Kf3 Rh3+ 41. Kg4 Rxc3 42. Kxh4 b4 43. Kg4 b3 44. Kf4 b2 45. Ke4 b1Q+ 46. Kd4 Qd3# 0-1

[Event "EU-ch Amateur Online Final 1400/1700"]
[Site "Tornelo INT"]
[Date "2021.04.18"]
[Round "9"]
[White "Boci, Mateo"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "B85"]
[WhiteElo "1286"]
[BlackElo "1591"]
[PlyCount "83"]
[EventDate "2021.04.18"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. Be2 Be7 8. 0-0 0-0 9. f4 b5 10. a3 Bb7 11. Bf3 Nbd7 12. f5 e5 13. Nb3 Nc5 14. Nxc5 dxc5 15. Nd5 Bxd5 16. exd5 e4 17. Be2 Nxd5 18. Qc1 Qc7 19. c4 Nxe3 20. Qxe3 Bf6 21. Qxe4 Bxb2 22. Rab1 Bd4+ 23. Kh1 Rfe8 24. Qf3 bxc4 25. Bxc4 Qe5 26. h3 Rad8 27. Rb7 Re7 28. Rxe7 Qxe7 29. Bxa6 Qa7 30. Bc4 Qa4 31. Bb3 Qe8 32. Qg4 Bf6 33. Qf3 Qe5 34. Qb7 Qe7 35. Qb6 Bd4 36. Qc6 Qd6 37. Qf3 Bf6 38. a4 Qd3 39. Qxd3 Rxd3 40. Rb1 Bd4 41. Bc4 Be5 42. Bxd3 1-0

[Event "EU-ch Amateur Online Final 1400/1700"]
[Site "Tornelo INT"]
[Date "2021.04.18"]
[Round "3"]
[White "Dereka, Konstantina"]
[Black "Akpolat, Arda"]
[Result "0-1"]
[ECO "D61"]
[WhiteElo "1591"]
[BlackElo "1094"]
[PlyCount "64"]
[EventDate "2021.04.18"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 e6 5. Nf3 Be7 6. e3 0-0 7. Qc2 Nbd7 8. Rd1 Qc7 9. a3 dxc4 10. Bxc4 e5 11. 0-0 exd4 12. exd4 Nb6 13. Bd3 h6 14. Bh4 Bg4 15. Bg3 Qd8 16. Be2 Bxf3 17. Bxf3 Nbd5 18. Na4 Bd6 19. Bh4 Qc7 20. Nc5 Bxh2+ 21. Kh1 Qf4 22. Bxf6 Nxf6 23. g3 Qxf3+ 24. Kxh2 Qh5+ 25. Kg2 Ng4 26. Rh1 Qd5+ 27. Qe4 Qxe4+ 28. Nxe4 f5 29. Nd6 b6 30. Nc4 Rad8 31. Ne5 Nxe5 32. dxe5 Kf7 0-1

[Event "EU-ch Amateur Online Final 1400/1700"]
[Site "Tornelo INT"]
[Date "2021.04.18"]
[Round "5"]
[White "Dereka, Konstantina"]
[Black "Geszler, Adam"]
[Result "0-1"]
[ECO "D53"]
[WhiteElo "1591"]
[BlackElo "1342"]
[PlyCount "140"]
[EventDate "2021.04.18"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. Nf3 c6 6. e3 h6 7. Bh4 0-0 8. Qc2 b6 9. Be2 Nbd7 10. 0-0 Bb7 11. Rfd1 Rc8 12. Rac1 dxc4 13. Bxc4 b5 14. Bd3 Nb6 15. Qe2 Nbd5 16. Bb1 b4 17. Na4 Qa5 18. Nc5 Bxc5 19. Rxc5 Ba6 20. Qc2 Qb6 21. e4 Nf4 22. e5 Bd3 23. Rxd3 N6d5 24. Rd1 Ng6 25. Qe4 b3 26. a3 a5 27. Nd2 a4 28. Nc4 Qc7 29. Nd6 Rb8 30. Rdc1 Rb6 31. Nc4 Rb7 32. Na5 Rb6 33. Nxc6 Qb7 34. Na5 Qd7 35. Nc4 Rb7 36. Nd6 Ra7 37. Bg3 f5 38. exf6 Rxf6 39. Nb5 Ra8 40. Qg4 Qf7 41. Bxg6 Rxg6 42. Qe2 Rf6 43. Nd6 Qe7 44. Ne4 Rf5 45. Rc6 Raf8 46. Nc5 Qg5 47. Re1 Nf4 48. Qe3 Qg6 49. Nxe6 Nxe6 50. Rxe6 Qh7 51. Re7 Qg6 52. Qe6+ Qxe6 53. R7xe6 R5f7 54. Ra6 Rf6 55. Rxa4 Rb6 56. Rc4 Rd8 57. Rd1 Kf7 58. d5 Kf8 59. d6 Rb7 60. Rf4+ Ke8 61. Re4+ Kf8 62. Ra4 Rbd7 63. Rc4 Rb7 64. Rc6 Rbd7 65. a4 Ra7 66. Rc4 Rb7 67. a5 Ra7 68. Rc5 Rb7 69. a6 Ra7 70. Rc6 g6 0-1

[Event "EU-ch Amateur Online Final 1400/1700"]
[Site "Tornelo INT"]
[Date "2021.04.18"]
[Round "7"]
[White "Dereka, Konstantina"]
[Black "Passariello, Andrea"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1591"]
[BlackElo "1380"]
[PlyCount "125"]
[EventDate "2021.04.18"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 b6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Bb7 5. e4 Bxc3+ 6. bxc3 Nf6 7. Bd3 c5 8. Bg5 0-0 9. Ne2 h6 10. Bh4 g5 11. Bg3 Nc6 12. Bd6 Ne7 13. dxc5 Ne8 14. Bxe7 Qxe7 15. cxb6 axb6 16. 0-0 d6 17. f4 f5 18. fxg5 Qxg5 19. Nf4 Ng7 20. exf5 Rxf5 21. Bxf5 exf5 22. Rae1 Be4 23. Qf2 Rb8 24. Qg3 Qf6 25. Nh5 Qg5 26. Qxg5 hxg5 27. Nf6+ Kh8 28. Nxe4 fxe4 29. Rxe4 Kh7 30. Re7 Kg6 31. Rff7 Rg8 32. Rd7 Nf5 33. Kf2 g4 34. g3 Re8 35. Rb7 d5 36. Rfd7 Re4 37. Rxb6+ Kg5 38. cxd5 Re5 39. Rdb7 Kh5 40. Rh7+ Kg5 41. d6 Rd5 42. d7 Rd3 43. Rb8 Rd2+ 44. Ke1 Rd3 45. d8Q+ Rxd8 46. Rxd8 Kf6 47. Rhh8 Ne3 48. Rhf8+ Kg7 49. Rg8+ Kh7 50. Rge8 Nf5 51. Rd7+ Ng7 52. Ree7 Kh6 53. Rxg7 Kh5 54. Rh7+ Kg6 55. Rhf7 Kh6 56. c4 Kg6 57. c5 Kh6 58. c6 Kg6 59. c7 Kh6 60. c8Q Kh5 61. Qh8+ Kg6 62. Qf6+ Kh5 63. Rh7# 1-0

[Event "EU-ch Amateur Online Final 1400/1700"]
[Site "Tornelo INT"]
[Date "2021.04.18"]
[Round "8"]
[White "Dereka, Konstantina"]
[Black "Pochkhua, Lizi"]
[Result "0-1"]
[ECO "E38"]
[WhiteElo "1591"]
[BlackElo "1348"]
[PlyCount "86"]
[EventDate "2021.04.18"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. e3 0-0 6. a3 Bxc3+ 7. bxc3 cxd4 8. cxd4 d5 9. Nf3 Nc6 10. Bd3 dxc4 11. Bxc4 a6 12. 0-0 Qd7 13. Bb2 b5 14. Bd3 Bb7 15. e4 h6 16. Rfd1 Rac8 17. Qe2 Rfd8 18. d5 exd5 19. Bxf6 gxf6 20. exd5 Ne7 21. Qe4 Ng6 22. Qe3 Kg7 23. Nd4 Qxd5 24. Nf5+ Kg8 25. Nxh6+ Kf8 26. Bf1 Qh5 27. Rxd8+ Rxd8 28. h3 Re8 29. Qd2 Qe5 30. Ng4 Qxa1 31. Qd6+ Kg7 32. Qd7 Re7 33. Qd3 Be4 34. Qe3 Kf8 35. Qh6+ Ke8 36. Qh7 Bd3 37. Qg8+ Kd7 38. Ne3 Bxf1 39. Nxf1 Qxa3 40. Qa8 Qd6 41. Qb7+ Ke6 42. Qe4+ Ne5 43. f4 Qd3 0-1

[Event "EU-ch Amateur Online Final 1400/1700"]
[Site "Tornelo INT"]
[Date "2021.04.18"]
[Round "4"]
[White "Heron, Andrew"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "1414"]
[BlackElo "1591"]
[PlyCount "43"]
[EventDate "2021.04.18"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 d6 6. 0-0 Nbd7 7. Nc3 a6 8. f4 Be7 9. Be3 0-0 10. f5 Nc5 11. fxe6 fxe6 12. Bc4 Kh8 13. Bd3 Qc7 14. Nb3 b5 15. Nxc5 dxc5 16. Bf4 Qb6 17. Be3 Bb7 18. e5 Nd7 19. Qh5 h6 20. Qg6 Rxf1+ 21. Rxf1 Nf8 22. Rxf8+ 1-0

[Event "EU-ch Amateur Online Final 1400/1700"]
[Site "Tornelo INT"]
[Date "2021.04.18"]
[Round "1"]
[White "Radzimski, Antoni"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "1271"]
[BlackElo "1591"]
[PlyCount "53"]
[EventDate "2021.04.18"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. f3 b5 8. a3 Bb7 9. Be2 Nbd7 10. 0-0 Be7 11. Qd2 0-0 12. Rad1 Qc7 13. Kh1 Rac8 14. g4 Ne5 15. Rg1 Nc4 16. Bxc4 Qxc4 17. Qg2 b4 18. axb4 Qxb4 19. Bc1 Rc4 20. Nce2 Nd7 21. c3 Qc5 22. b3 Rxc3 23. Nxc3 Qxc3 24. Bb2 Qb4 25. Rc1 Nc5 26. Rc4 d5 27. Rxb4 1-0

[Event "EU-ch Amateur Online 1400/1700"]
[Site "Tornelo INT"]
[Date "2021.04.17"]
[Round "1"]
[White "Dereka, Konstantina"]
[Black "Basdar, Atakan"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1591"]
[BlackElo "1297"]
[PlyCount "66"]
[EventDate "2021.04.17"]
[EventType "swiss (rapid)"]
[EventRounds "8"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Bg4 7. Bg5 Nbd7 8. 0-0 h6 9. Be3 e5 10. d5 a5 11. h3 Bxf3 12. Bxf3 Nh7 13. Be2 f5 14. exf5 gxf5 15. f3 f4 16. Bf2 b6 17. a3 Qg5 18. Ne4 Qe7 19. b4 Nhf6 20. Rc1 Nxe4 21. fxe4 Qg5 22. c5 axb4 23. axb4 bxc5 24. bxc5 Ra2 25. Rc2 Rxc2 26. Qxc2 f3 27. Bxf3 Rxf3 28. Kh2 Rf7 29. cxd6 cxd6 30. Qc8+ Nf8 31. Qc6 Rf6 32. Qb6 Qf4+ 33. Kg1 Qxe4 0-1

[Event "EU-ch Amateur Online 1400/1700"]
[Site "Tornelo INT"]
[Date "2021.04.17"]
[Round "7"]
[White "Dereka, Konstantina"]
[Black "Gecegezen, Cengizhan"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "1591"]
[BlackElo "1272"]
[PlyCount "93"]
[EventDate "2021.04.17"]
[EventType "swiss (rapid)"]
[EventRounds "8"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 f5 2. g3 e6 3. Bg2 d5 4. c3 c6 5. Nd2 Nf6 6. Nh3 Be7 7. 0-0 0-0 8. Nf4 Ne4 9. Nf3 Bd6 10. Nd3 Nd7 11. h4 Ndf6 12. Bf4 Bxf4 13. Nxf4 Qc7 14. Rc1 b5 15. b3 a6 16. c4 Qd6 17. Ne5 Nd7 18. cxd5 Nxe5 19. dxe5 Qxd5 20. Nxd5 cxd5 21. Qc2 Bd7 22. Qc7 Rfd8 23. Bxe4 fxe4 24. Rfd1 Rac8 25. Qb6 Kf7 26. Rxc8 Rxc8 27. Qb7 Ke7 28. Qxa6 b4 29. Qd6+ Ke8 30. Qxb4 Rc2 31. Qb8+ Rc8 32. Qd6 Rc6 33. Qb4 Rc8 34. Qa3 Rc6 35. Rc1 Rxc1+ 36. Qxc1 Kd8 37. b4 Bb5 38. Qc5 Kd7 39. Qxb5+ Kc7 40. Qc5+ Kb8 41. Qd6+ Ka8 42. b5 e3 43. b6 exf2+ 44. Kxf2 d4 45. Qc6+ Kb8 46. Qc7+ Ka8 47. Qa7# 1-0

[Event "EU-ch Amateur Online 1400/1700"]
[Site "Tornelo INT"]
[Date "2021.04.17"]
[Round "3"]
[White "Dereka, Konstantina"]
[Black "Mitzas, Dimitris"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "1591"]
[BlackElo "1394"]
[PlyCount "50"]
[EventDate "2021.04.17"]
[EventType "swiss (rapid)"]
[EventRounds "8"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 a5 8. Bg5 Qe8 9. Nd2 h6 10. Bh4 Na6 11. 0-0 Nh7 12. Rc1 Bf6 13. Bg3 h5 14. f3 Bg5 15. Bf2 f5 16. a3 Bxd2 17. Qxd2 f4 18. Nb5 g5 19. c5 Qg6 20. Qxa5 Rf7 21. Qc3 g4 22. Kh1 g3 23. Bg1 Bh3 24. Rfd1 Bxg2+ 25. Kxg2 gxh2+ 0-1

[Event "EU-ch Amateur Online 1400/1700"]
[Site "Tornelo INT"]
[Date "2021.04.17"]
[Round "5"]
[White "Dereka, Konstantina"]
[Black "Zein, Roda"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "1591"]
[BlackElo "1334"]
[PlyCount "35"]
[EventDate "2021.04.17"]
[EventType "swiss (rapid)"]
[EventRounds "8"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nd7 5. Nf3 e5 6. d5 f5 7. g3 Ngf6 8. Nd2 0-0 9. Bg2 Nc5 10. 0-0 Nd3 11. Qe2 Nc5 12. b4 Ncd7 13. Nb3 Nh5 14. exf5 e4 15. Bb2 Qg5 16. fxg6 hxg6 17. Nxe4 Qe5 18. Bxe5 1-0

[Event "EU-ch Amateur Online 1400/1700"]
[Site "Tornelo INT"]
[Date "2021.04.17"]
[Round "8"]
[White "Genc, Ali Kaan"]
[Black "Dereka, Konstantina"]
[Result "0-1"]
[ECO "B95"]
[WhiteElo "1272"]
[BlackElo "1591"]
[PlyCount "50"]
[EventDate "2021.04.17"]
[EventType "swiss (rapid)"]
[EventRounds "8"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Be7 7. Qd2 0-0 8. f3 a6 9. 0-0-0 b5 10. h4 Bb7 11. g4 Nbd7 12. Bxf6 Bxf6 13. g5 Be7 14. Rg1 b4 15. Nce2 d5 16. h5 Ne5 17. Qf4 Nc4 18. Qg4 Ne3 19. Qg3 Nxd1 20. g6 h6 21. gxf7+ Rxf7 22. Nxe6 Qb6 23. Nxg7 Bg5+ 24. f4 Rxg7 25. Kxd1 Bf6 0-1

[Event "EU-ch Amateur Online 1400/1700"]
[Site "Tornelo INT"]
[Date "2021.04.17"]
[Round "6"]
[White "Moyne Thiriet, Paul Emile"]
[Black "Dereka, Konstantina"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1297"]
[BlackElo "1591"]
[PlyCount "146"]
[EventDate "2021.04.17"]
[EventType "swiss (rapid)"]
[EventRounds "8"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bd3 a6 7. Bd2 Nbd7 8. 0-0 Be7 9. f4 0-0 10. f5 Nc5 11. Bc4 e5 12. Nf3 Ncxe4 13. Nxe4 Nxe4 14. Bb4 Qb6+ 15. Kh1 Qxb4 16. Bd5 Nf6 17. Bb3 Bxf5 18. a3 Qb6 19. Ng5 Bg6 20. Qd2 h6 21. Nf3 Rfd8 22. Rad1 Ne4 23. Qe2 Bf6 24. Rd5 Nc5 25. Qc4 Rac8 26. Qe2 Nxb3 27. cxb3 Qxb3 28. Rfd1 Rc2 29. R5d2 Rdc8 30. h3 Rxd2 31. Qxd2 Be7 32. Kh2 Qc2 33. Qd5 Qxb2 34. a4 Qb4 35. a5 Qc5 36. Qxb7 Qc6 37. Qxe7 Qc2 38. Qxd6 Be4 39. Rf1 Qe2 40. Qd1 Bxf3 41. Qxe2 Bxe2 42. Rd1 Bc4 43. Rc1 Be6 44. Re1 Rc5 45. Ra1 Rb5 46. Kg3 Kh7 47. Ra3 Kg6 48. Kf3 f5 49. Kf2 Rb3 50. Ra2 Rc3 51. Rb2 Ra3 52. Rb6 Kf6 53. Rxa6 e4 54. Ra7 Ke5 55. Rxg7 Rxa5 56. Re7 Kd6 57. Rh7 Ra2+ 58. Kg1 e3 59. Rb7 Rd2 60. Kh2 Kc6 61. Rb1 e2 62. Re1 Bc4 63. Rc1 Rd1 64. Rxc4+ Kd5 65. Ra4 e1Q 66. Ra5+ Kc6 67. Rxf5 Qg1+ 68. Kg3 Qe3+ 69. Rf3 Qg5+ 70. Kh2 Qe5+ 71. Rg3 Rd3 72. Kh1 Qxg3 73. h4 Rd1# 0-1

[Event "EU-ch Amateur Online 1400/1700"]
[Site "Tornelo INT"]
[Date "2021.04.17"]
[Round "4"]
[White "Rodriguez Monago, Juan Antonio"]
[Black "Dereka, Konstantina"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1418"]
[BlackElo "1591"]
[PlyCount "36"]
[EventDate "2021.04.17"]
[EventType "swiss (rapid)"]
[EventRounds "8"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 0-0 5. Be2 d5 6. Nbd2 c5 7. c3 Nc6 8. Ne5 Nd7 9. Nxd7 Bxd7 10. h4 e5 11. dxe5 Nxe5 12. h5 Qb6 13. Rb1 Bf5 14. Ra1 Qxb2 15. hxg6 hxg6 16. Nf3 Qxc3+ 17. Kf1 Nxf3 18. gxf3 Qxa1 0-1

[Event "EU-ch Amateur Online 1400/1700"]
[Site "Tornelo INT"]
[Date "2021.04.17"]
[Round "2"]
[White "Sklavounos, Andreas"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "B95"]
[WhiteElo "1330"]
[BlackElo "1591"]
[PlyCount "45"]
[EventDate "2021.04.17"]
[EventType "swiss (rapid)"]
[EventRounds "8"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 a6 7. h4 h6 8. Bxf6 Qxf6 9. Qd2 Nd7 10. 0-0-0 b5 11. f4 Bb7 12. a3 Nb6 13. Ndxb5 axb5 14. Bxb5+ Nd7 15. Bxd7+ Kxd7 16. e5 Qd8 17. exd6 Qb6 18. Rhf1 Ra6 19. Qe2 Qc6 20. g4 Qg2 21. Qb5+ Qc6 22. f5 Rb6 23. fxe6+ 1-0

[Event "GRE-chT Online Rapid (Women) 1st"]
[Site "Tornelo INT"]
[Date "2021.02.21"]
[Round "9.4"]
[White "Dereka, Konstantina"]
[Black "Filoxeni, Danai"]
[Result "1-0"]
[ECO "D63"]
[WhiteElo "1591"]
[BlackElo "1378"]
[PlyCount "51"]
[EventDate "2021.02.20"]
[EventType "team-swiss (rapid)"]
[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. Nc3 Nf6 4. Nf3 Be7 5. Bg5 0-0 6. e3 Nbd7 7. Rc1 b6 8. cxd5 Nxd5 9. Nxd5 exd5 10. Bxe7 Qxe7 11. Rxc7 Qd6 12. Rc3 Nf6 13. Bd3 Bg4 14. 0-0 Rac8 15. h3 Bh5 16. Be2 Rxc3 17. bxc3 Rc8 18. Qb3 Ne4 19. Rc1 h6 20. Ba6 Rc7 21. Ne5 Qd8 22. Bd3 Nf6 23. c4 dxc4 24. Rxc4 Rxc4 25. Bxc4 Qc7 26. g4 1-0

[Event "GRE-chT Online Rapid (Women) 1st"]
[Site "Tornelo INT"]
[Date "2021.02.21"]
[Round "8.1"]
[White "Kiousi, Panagiota"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "1920"]
[BlackElo "1591"]
[PlyCount "41"]
[EventDate "2021.02.20"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 h5 6. Bg5 c6 7. e3 0-0 8. Qb3 dxc4 9. Bxc4 Nbd7 10. Qc2 Nb6 11. Bb3 a5 12. Qxg6 Nbd5 13. Bxd5 cxd5 14. Qd3 Ra6 15. 0-0 Ng4 16. Bf4 Bd7 17. Nxd5 e6 18. Ng5 Re8 19. Qh7+ Kf8 20. Qxh5 exd5 21. Qxf7# 1-0

[Event "GRE-chT Online Rapid (Women) 1st"]
[Site "Tornelo INT"]
[Date "2021.02.21"]
[Round "6.4"]
[White "Moshou, Alexia"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "1710"]
[BlackElo "1591"]
[PlyCount "85"]
[EventDate "2021.02.20"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 exd6 6. Nf3 Be7 7. Bd3 0-0 8. 0-0 Nc6 9. a3 Bg4 10. Be3 d5 11. c5 Nc4 12. Bxc4 dxc4 13. Nbd2 Qd5 14. h3 Bf5 15. Rc1 Bd3 16. Re1 Bf6 17. Qa4 Nxd4 18. Bxd4 Bxd4 19. Nxd4 Qxd4 20. Nxc4 Bxc4 21. Qxc4 Qxc4 22. Rxc4 Rfe8 23. Rxe8+ Rxe8 24. Rd4 Kf8 25. Kf1 Ke7 26. Ke2 Rd8 27. Ra4 a6 28. c6 Rb8 29. cxb7 Rxb7 30. b4 Rb6 31. Ra5 g6 32. Rc5 Kd6 33. Kd3 Rc6 34. Rxc6+ Kxc6 35. Kc4 f5 36. f4 h5 37. h4 Kb6 38. a4 c6 39. a5+ Kb7 40. Kc5 Kc7 41. g3 Kb7 42. Kd6 Ka7 43. Kxc6 1-0

[Event "GRE-chT Online Rapid (Women) 1st"]
[Site "Tornelo INT"]
[Date "2021.02.21"]
[Round "5.5"]
[White "Papadokonstantaki, Aikaterini"]
[Black "Dereka, Konstantina"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1236"]
[BlackElo "1591"]
[PlyCount "60"]
[EventDate "2021.02.20"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nf3 Nc6 5. Bb5 Nxc3 6. bxc3 Bd7 7. d4 a6 8. Bd3 Bg4 9. h3 Bh5 10. Be4 e6 11. Qe2 Be7 12. Qe3 0-0 13. 0-0 Rb8 14. Rb1 Na5 15. Qd3 f5 16. Bxb7 Rxb7 17. Rxb7 Nxb7 18. Ne5 Qa8 19. Qg3 Rf6 20. Bg5 Nd6 21. Qh4 Qe8 22. Bxf6 Bxf6 23. Qf4 Bg5 24. Qxg5 Ne4 25. Qe3 Qb5 26. Re1 Qa5 27. g4 Be8 28. gxf5 exf5 29. Rd1 Qxc3 30. Rc1 Qb2 0-1

[Event "GRE-chT Online Rapid (Women) 1st"]
[Site "Tornelo INT"]
[Date "2021.02.20"]
[Round "3.4"]
[White "Dereka, Konstantina"]
[Black "Kalogeridou, Ioanna"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "1591"]
[BlackElo "1337"]
[PlyCount "59"]
[EventDate "2021.02.20"]
[EventType "team-swiss (rapid)"]
[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. Nc3 Nf6 4. Nf3 Nbd7 5. Bg5 h6 6. Bh4 Be7 7. e3 0-0 8. Rc1 c5 9. Bd3 b6 10. 0-0 Bb7 11. Qe2 cxd4 12. Nxd4 dxc4 13. Bxc4 Nd5 14. Bxe7 Nxc3 15. Rxc3 Qxe7 16. Rfc1 Rac8 17. Ba6 Bxa6 18. Qxa6 Rxc3 19. Rxc3 Qb4 20. Qe2 a5 21. a3 Qd6 22. Rc6 Qd5 23. Qc2 b5 24. h3 b4 25. axb4 axb4 26. Rc4 Rb8 27. Nc6 Qd6 28. Nxb8 Nxb8 29. Rc8+ Qf8 30. Rxf8+ 1-0

[Event "GRE-chT Online Rapid (Women) 1st"]
[Site "Tornelo INT"]
[Date "2021.02.20"]
[Round "1.2"]
[White "Dereka, Konstantina"]
[Black "Lola, Dafni"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "1591"]
[BlackElo "1145"]
[PlyCount "59"]
[EventDate "2021.02.20"]
[EventType "team-swiss (rapid)"]
[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. Nc3 Be7 4. Nf3 Nf6 5. Bg5 Nbd7 6. e3 h6 7. Bh4 0-0 8. Rc1 b6 9. cxd5 exd5 10. Bd3 Bb7 11. 0-0 Ne4 12. Bxe7 Qxe7 13. Qb3 Ndf6 14. Qc2 Rac8 15. Qe2 Rfe8 16. Ne5 c5 17. f3 cxd4 18. exd4 Nxc3 19. bxc3 Nd7 20. Bb5 Rc7 21. Qc2 Bc8 22. Rce1 Qf8 23. Qa4 Rd8 24. Nc6 Re8 25. Nxa7 Rxe1 26. Rxe1 Nb8 27. Re8 Qxe8 28. Bxe8 Nd7 29. Nxc8 Rxc8 30. Qxd7 1-0

[Event "GRE-chT Online Rapid (Women) 1st"]
[Site "Tornelo INT"]
[Date "2021.02.20"]
[Round "2.2"]
[White "Soulele, Christina"]
[Black "Dereka, Konstantina"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "1120"]
[BlackElo "1591"]
[PlyCount "71"]
[EventDate "2021.02.20"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. Nf3 Bg4 6. exd6 exd6 7. Nc3 Be7 8. Be2 Nc6 9. 0-0 0-0 10. d5 Na5 11. Qc2 Bxf3 12. gxf3 Naxc4 13. Bd3 Ne5 14. Bxh7+ Kh8 15. Be4 Qd7 16. Ne2 f5 17. f4 Ng6 18. Bg2 Nh4 19. Bh1 Rf6 20. Ng3 Kh7 21. Bd2 Rh8 22. Rfe1 Kg8 23. Re6 Rfh6 24. Rae1 Nc8 25. Nxf5 Nxf5 26. Qxf5 Rxh2 27. Bg2 R2h5 28. Qg6 R8h6 29. Qd3 Qe8 30. Kf1 Qf7 31. Bf3 Rh3 32. Rxh6 Rxh6 33. Bg4 Nb6 34. Be6 Rxe6 35. dxe6 Qf5 36. Qxf5 1-0

[Event "GRE-chT Online Rapid (Women) 1st"]
[Site "Tornelo INT"]
[Date "2021.02.20"]
[Round "4.8"]
[White "Stamatiou, Alexandra"]
[Black "Dereka, Konstantina"]
[Result "0-1"]
[ECO "B02"]
[BlackElo "1591"]
[PlyCount "96"]
[EventDate "2021.02.20"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. d4 c5 5. Nf3 Nc6 6. Be3 cxd4 7. Nxd4 Ndxe5 8. Nxc6 bxc6 9. Bf4 Ng6 10. Be3 e5 11. g3 d4 12. Bg2 Bb7 13. Ne4 dxe3 14. Qxd8+ Rxd8 15. fxe3 Be7 16. Nd2 0-0 17. 0-0-0 Bg5 18. Rhe1 Rd7 19. Nf3 Rxd1+ 20. Rxd1 Bxe3+ 21. Kb1 Bb6 22. h4 c5 23. Rd7 Rd8 24. Rxd8+ Bxd8 25. h5 Ne7 26. b3 Nf5 27. Kc1 Nxg3 28. Kd2 e4 29. Ne5 e3+ 30. Kxe3 Bxg2 31. Kf2 Bc7 32. Kxg2 Bxe5 33. c4 f5 34. Kf3 Nxh5 35. a3 a5 36. Ke3 g5 37. Kd3 g4 38. Ke3 g3 39. Kf3 f4 40. a4 Bd4 41. Kg2 Kf7 42. Kf3 Kf6 43. Kg2 Kf5 44. Kf3 Ke5 45. Kg2 Ke4 46. Kh3 Kf3 47. b4 cxb4 48. c5 Bxc5 0-1

[Event "GRE-ch Online Blitz (Women) 1st"]
[Site "Tornelo INT"]
[Date "2021.02.07"]
[Round "1"]
[White "Anemogianni, Savvina"]
[Black "Dereka, Konstantina"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1056"]
[BlackElo "1363"]
[PlyCount "80"]
[EventDate "2021.02.07"]
[EventType "swiss (blitz)"]
[EventRounds "16"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 Bf5 7. 0-0 e6 8. d3 Be7 9. Bf4 0-0 10. Qd2 h6 11. Rfe1 Bf6 12. Rad1 a5 13. a3 Nd4 14. Nxd4 Bxd4 15. Be3 c5 16. Bxd4 cxd4 17. Ne4 Rc8 18. c4 a4 19. Ba2 Qc7 20. Ng3 Bg6 21. h3 e5 22. Re2 Nd7 23. Rde1 Rfe8 24. f4 Nc5 25. fxe5 Nxd3 26. Bb1 Nxe1 27. Rxe1 Bxb1 28. Rxb1 Qxe5 29. Re1 Qxe1+ 30. Qxe1 Rxe1+ 31. Kf2 Rb1 32. Ne2 Rxb2 33. Kf3 Rd8 34. Nf4 d3 35. Ke3 d2 36. Ne2 d1Q 37. Nc3 Qd3+ 38. Kf4 Rf2+ 39. Kg4 Rd4+ 40. Kh5 Qg6# 0-1

[Event "GRE-ch Online Blitz (Women) 1st"]
[Site "Tornelo INT"]
[Date "2021.02.07"]
[Round "6"]
[White "Dereka, Konstantina"]
[Black "Christodoulou, Georgia"]
[Result "1-0"]
[ECO "D63"]
[WhiteElo "1363"]
[BlackElo "1224"]
[PlyCount "67"]
[EventDate "2021.02.07"]
[EventType "swiss (blitz)"]
[EventRounds "16"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 0-0 6. e3 h6 7. Bh4 Nbd7 8. Rc1 b6 9. cxd5 Nxd5 10. Nxd5 exd5 11. Bg3 c5 12. Bb5 Nf6 13. Bc6 Ba6 14. Bxa8 Qxa8 15. Qa4 Qb7 16. a3 Ne4 17. b4 cxb4 18. axb4 Bc4 19. Ne5 b5 20. Qa3 f6 21. Nxc4 bxc4 22. 0-0 Bxb4 23. Qb2 Nxg3 24. hxg3 a5 25. Rfe1 Rb8 26. Re2 a4 27. Rb1 a3 28. Qa2 Qa6 29. e4 dxe4 30. Rxe4 Qc6 31. Re3 Qb7 32. Rxa3 Bxa3 33. Rxb7 Rxb7 34. Qxc4+ 1-0

[Event "GRE-ch Online Blitz (Women) 1st"]
[Site "Tornelo INT"]
[Date "2021.02.07"]
[Round "13"]
[White "Dereka, Konstantina"]
[Black "Giakoustidou, Evgenia"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "1363"]
[BlackElo "1053"]
[PlyCount "89"]
[EventDate "2021.02.07"]
[EventType "swiss (blitz)"]
[EventRounds "16"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 e6 7. dxe6 dxe6 8. Qxd8+ Kxd8 9. g3 Nbd7 10. Bg2 Rb8 11. Nf3 Bd6 12. 0-0 Ke7 13. Rd1 Rhd8 14. e4 Kf8 15. Rxd6 Ke7 16. Rd1 h6 17. e5 Nh7 18. b3 Bb7 19. Be3 Rbc8 20. Rac1 Bxf3 21. Bxf3 Nxe5 22. Bg2 Nf6 23. Rxd8 Kxd8 24. Rd1+ Ke7 25. Na4 c4 26. Nc5 cxb3 27. Nxb3 Nfg4 28. Bc5+ Kf6 29. h3 Nxf2 30. Kxf2 g5 31. Re1 Ng6 32. Bd4+ Ke7 33. Bc5+ Kf6 34. Bb7 Rc7 35. Bf3 Rc8 36. Rd1 Rc7 37. Rd6 Ne5 38. Rd2 Ng6 39. Bd6 Rd7 40. Bh5 Nh8 41. Be5+ Ke7 42. Bxh8 Rc7 43. Bf3 f5 44. Be5 Rc8 45. Bb7 1-0

[Event "GRE-ch Online Blitz (Women) 1st"]
[Site "Tornelo INT"]
[Date "2021.02.07"]
[Round "11"]
[White "Dereka, Konstantina"]
[Black "Kollia, Evgenia"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "1363"]
[BlackElo "1195"]
[PlyCount "57"]
[EventDate "2021.02.07"]
[EventType "swiss (blitz)"]
[EventRounds "16"]
[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. Nc3 Nf6 4. Nf3 Be7 5. Bg5 0-0 6. e3 h6 7. Bh4 b6 8. cxd5 exd5 9. Bd3 Bb7 10. 0-0 Nbd7 11. Qe2 c5 12. Rac1 c4 13. Bb1 Rc8 14. Nd2 Re8 15. Rfd1 a6 16. Bxf6 Bxf6 17. e4 dxe4 18. Nxc4 Nb8 19. Ne3 b5 20. d5 b4 21. Nxe4 Rxc1 22. Rxc1 Bxd5 23. Rd1 Qa5 24. Rxd5 Qb6 25. Nxf6+ gxf6 26. Qd3 Nd7 27. Rxd7 a5 28. Qh7+ Kf8 29. Qh8# 1-0

[Event "GRE-ch Online Blitz (Women) 1st"]
[Site "Tornelo INT"]
[Date "2021.02.07"]
[Round "14"]
[White "Dereka, Konstantina"]
[Black "Koutla, Maria"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "1363"]
[BlackElo "1014"]
[PlyCount "73"]
[EventDate "2021.02.07"]
[EventType "swiss (blitz)"]
[EventRounds "16"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. e4 Nxe4 6. Qxe4 c6 7. Bd3 g6 8. Bh6 Re8 9. Nf3 d5 10. Qe5 f6 11. Qe3 e5 12. dxe5 fxe5 13. Bg5 Qd6 14. a3 Bxc3+ 15. bxc3 d4 16. Qe2 dxc3 17. 0-0 Bf5 18. Bxf5 gxf5 19. Rfd1 Qg6 20. Bc1 e4 21. Nd4 Re7 22. Qf1 Rg7 23. Ne2 Nd7 24. Nf4 Qf6 25. Nh5 Qg6 26. Nxg7 Qxg7 27. Bf4 Nf6 28. Be5 Re8 29. Bxf6 Qxf6 30. Qe2 Re7 31. Qc2 Rg7 32. Rac1 Qg5 33. g3 Qg4 34. Qxc3 f4 35. Rd8+ Kf7 36. Rd7+ Ke8 37. Rxg7 1-0

[Event "GRE-ch Online Blitz (Women) 1st"]
[Site "Tornelo INT"]
[Date "2021.02.07"]
[Round "7"]
[White "Dereka, Konstantina"]
[Black "Papadopoulou, Marilena"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "1363"]
[BlackElo "1389"]
[PlyCount "72"]
[EventDate "2021.02.07"]
[EventType "swiss (blitz)"]
[EventRounds "16"]
[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. Nc3 Nf6 4. Nf3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 Bxc3 9. bxc3 0-0 10. Be2 dxc4 11. Bxf6 Nxf6 12. Nxc4 Qd5 13. 0-0 b6 14. Nd2 Bb7 15. Bf3 Qd7 16. Nc4 Rac8 17. Ne5 Qc7 18. Qb3 Nd7 19. Nxd7 Qxd7 20. Rfd1 Rfd8 21. c4 Qe7 22. Rac1 c5 23. Bxb7 Qxb7 24. dxc5 h6 25. Rxd8+ Rxd8 26. cxb6 axb6 27. c5 Rc8 28. h3 Qc6 29. Qa3 bxc5 30. Rc4 Ra8 31. Qc1 Rxa2 32. Rxc5 Qa4 33. Rc8+ Kh7 34. Qb1+ g6 35. Rc7 Ra1 36. Rxf7+ Kg8 0-1

[Event "GRE-ch Online Blitz (Women) 1st"]
[Site "Tornelo INT"]
[Date "2021.02.07"]
[Round "2"]
[White "Dereka, Konstantina"]
[Black "Raftopoulou, Konstantina"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1363"]
[BlackElo "1174"]
[PlyCount "105"]
[EventDate "2021.02.07"]
[EventType "swiss (blitz)"]
[EventRounds "16"]
[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. Nc3 c6 4. e4 f6 5. Nf3 Bd6 6. cxd5 exd5 7. exd5 cxd5 8. Nxd5 Be6 9. Bb5+ Nd7 10. Nc3 Ne7 11. Qe2 Bg4 12. 0-0 a6 13. Bc4 Nb6 14. Be6 Bxe6 15. Qxe6 Qd7 16. Re1 Qxe6 17. Rxe6 0-0 18. Rxd6 Nc4 19. Rd7 Nf5 20. Rxb7 Rfd8 21. b3 Na5 22. Rc7 Nxd4 23. Nxd4 Rxd4 24. Be3 Rdd8 25. b4 Rdc8 26. Nd5 Rxc7 27. Nxc7 Rc8 28. bxa5 Rxc7 29. Rc1 Rxc1+ 30. Bxc1 Kf7 31. f4 Ke6 32. Kf2 Kd5 33. Ke3 g6 34. g4 h5 35. gxh5 gxh5 36. h3 f5 37. Bd2 Kd6 38. Kd4 Kc6 39. Ke5 Kb5 40. Kxf5 Kc4 41. Kg6 Kd3 42. f5 Kxd2 43. f6 Kc2 44. f7 h4 45. f8Q Kb2 46. Qd6 Kxa2 47. Qxa6 Ka1 48. Qc8 Kb2 49. a6 Ka1 50. a7 Kb2 51. a8Q Kb3 52. Qab8+ Ka2 53. Qa6# 1-0

[Event "GRE-ch Online Blitz (Women) 1st"]
[Site "Tornelo INT"]
[Date "2021.02.07"]
[Round "9"]
[White "Dereka, Konstantina"]
[Black "Sklavounou, Iliana"]
[Result "1-0"]
[ECO "E24"]
[WhiteElo "1363"]
[BlackElo "1108"]
[PlyCount "77"]
[EventDate "2021.02.07"]
[EventType "swiss (blitz)"]
[EventRounds "16"]
[EventCountry "GRE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. Nf3 0-0 6. a3 Bxc3+ 7. bxc3 Nc6 8. Bg5 h6 9. Bh4 d6 10. Rd1 cxd4 11. cxd4 Qa5+ 12. Qd2 Qxd2+ 13. Rxd2 Ne4 14. Rd1 d5 15. e3 dxc4 16. Bxc4 Bd7 17. 0-0 Rac8 18. Bd3 Nd6 19. e4 Rfe8 20. Rfe1 Rc7 21. Bg3 e5 22. dxe5 Nxe5 23. Bxe5 Re6 24. Bb1 Rc6 25. Ba2 Rg6 26. Bxd6 Rcxd6 27. e5 Rxd1 28. Rxd1 Bg4 29. Rd8+ Kh7 30. Bb1 f5 31. exf6 gxf6 32. Bxg6+ Kxg6 33. Kf1 Be6 34. Re8 Bd5 35. Rd8 Bc4+ 36. Ke1 a6 37. Rd6 Kf5 38. Kd2 Ke4 39. Rd4+ 1-0

