[Event "GRE-ch U20"]
[Site "Athens"]
[Date "2006.01.08"]
[Round "8.10"]
[White "Karangelis, Nikolaos"]
[Black "Papanikolaou, Efthymios"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "101"]
[EventDate "2006.01.03"]
[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 e6 2. d4 d5 3. exd5 exd5 4. c4 Bb4+ 5. Bd2 Qe7+ 6. Qe2 Bxd2+ 7. Nxd2 Qxe2+ 8. Bxe2 Nf6 9. Ngf3 0-0 10. 0-0 Nc6 11. a3 a6 12. Rfe1 Re8 13. cxd5 Nxd5 14. Bc4 Rxe1+ 15. Rxe1 Be6 16. Ne4 b5 17. Ba2 Rd8 18. Nc5 Bg4 19. Bxd5 h6 20. Bxc6 Bxf3 21. Bxf3 Rxd4 22. Nxa6 c6 23. Rd1 Ra4 24. Bxc6 Rxa6 25. Bxb5 Rb6 26. a4 h5 27. g3 Kf8 28. Rd5 g6 29. a5 Rb7 30. a6 Rb8 31. Bc6 Rxb2 32. a7 Ra2 33. a8Q+ Rxa8 34. Bxa8 Ke7 35. Kg2 Ke6 36. Kf3 f5 37. Kf4 Kf6 38. Rd6+ Kf7 39. Kg5 Kg7 40. Rxg6+ Kf7 41. Kxf5 Ke7 42. Ke5 Kf7 43. Re6 Kg7 44. f4 Kf7 45. f5 Kg7 46. f6+ Kf7 47. Re7+ Kf8 48. Ke6 h4 49. f7 hxg3 50. Kf6 gxh2 51. Re8# 1-0

[Event "GRE-ch U20"]
[Site "Athens"]
[Date "2006.01.07"]
[Round "7.10"]
[White "Papanikolaou, Efthymios"]
[Black "Goulios, Konstantinos"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "104"]
[EventDate "2006.01.03"]
[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 d5 2. e5 c5 3. h3 e6 4. Nf3 Nc6 5. c3 Nge7 6. g4 Ng6 7. d4 Qb6 8. Be3 cxd4 9. cxd4 Qxb2 10. Nbd2 Nb4 11. Qb1 Nc2+ 12. Kd1 Qxa1 13. Qxa1 Nxa1 14. Kc1 Bd7 15. Kb2 Rc8 16. Kxa1 Ba3 17. Nb3 a5 18. Bd3 a4 19. Nc5 Bxc5 20. dxc5 0-0 21. h4 f6 22. Bxg6 hxg6 23. h5 gxh5 24. Rxh5 Kf7 25. exf6 gxf6 26. Rh7+ Ke8 27. g5 Rf7 28. Rh6 fxg5 29. Nxg5 Rg7 30. Nxe6 Bxe6 31. Rxe6+ Re7 32. Rd6 Rd7 33. Re6+ Kf7 34. Rh6 Kg7 35. Re6 d4 36. Bh6+ Kf7 37. Rd6 Rxd6 38. cxd6 Ke6 39. Bf4 d3 40. Kb2 Rc2+ 41. Ka3 d2 42. Bxd2 Rxd2 43. Kxa4 Rxa2+ 44. Kb5 Rxf2 45. Kb6 Kxd6 46. Kxb7 Rc2 47. Kb6 Rb2+ 48. Ka5 Kc5 49. Ka4 Rb8 50. Ka3 Kc4 51. Ka2 Kc3 52. Ka1 Kc2 0-1

[Event "GRE-ch U20"]
[Site "Athens"]
[Date "2006.01.06"]
[Round "6.10"]
[White "Minas, Ioannis"]
[Black "Papanikolaou, Efthymios"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "119"]
[EventDate "2006.01.03"]
[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 d5 2. Nf3 Nc6 3. e3 Bf5 4. c3 e6 5. Qa4 a6 6. Be2 b5 7. Bxb5 axb5 8. Qxb5 Qd7 9. Nbd2 Rb8 10. Qe2 Bb4 11. Nh4 Bd6 12. Nxf5 exf5 13. 0-0 Qe6 14. Re1 Qh6 15. Nf3 Nge7 16. e4 Qe6 17. e5 Bb4 18. cxb4 Rxb4 19. a3 Rb3 20. Bg5 h6 21. Bxe7 Nxe7 22. Qd1 Rxb2 23. Qa4+ Qc6 24. Qa5 Rb5 25. Qa4 Rb8 26. Qd1 0-0 27. Rc1 Qb6 28. Qc2 Rfc8 29. Rb1 Qa7 30. e6 c6 31. Rxb8 Rxb8 32. exf7+ Kxf7 33. Ne5+ Kg8 34. Qc3 Qb7 35. h3 Re8 36. Nxc6 Qc7 37. Qc5 Kf8 38. Rxe7 Rxe7 39. Qxe7+ Qxe7 40. Nxe7 Kxe7 41. Kf1 Kd7 42. Ke2 Kc6 43. Kf3 Kb5 44. Kf4 g6 45. Ke5 Kc4 46. a4 Kb4 47. Kxd5 Kxa4 48. Kc5 g5 49. d5 h5 50. d6 g4 51. hxg4 fxg4 52. g3 Kb3 53. d7 h4 54. gxh4 g3 55. fxg3 Kc2 56. d8Q Kc3 57. Qd4+ Kc2 58. Kc4 Kc1 59. Kb3 Kb1 60. Qd1# 1-0

[Event "GRE-ch U20"]
[Site "Athens"]
[Date "2006.01.06"]
[Round "5.8"]
[White "Papanikolaou, Efthymios"]
[Black "Pantazopoulos, Stavros"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "2133"]
[PlyCount "76"]
[EventDate "2006.01.03"]
[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. Nc3 Nc6 3. Nf3 e6 4. Bb5 Nge7 5. 0-0 a6 6. Bxc6 Nxc6 7. d3 d6 8. Re1 b5 9. e5 d5 10. Bg5 Qc7 11. a4 b4 12. Na2 h6 13. Bf4 g5 14. Bd2 Bg7 15. c3 bxc3 16. Bxc3 d4 17. Bd2 Nxe5 18. Nxe5 Bxe5 19. Rc1 Bxh2+ 20. Kf1 Bb7 21. Bb4 Qc6 22. f3 Qd5 23. Bxc5 Qxa2 24. Bxd4 0-0 25. Qe2 Rac8 26. Rcd1 Qb3 27. a5 Rc2 28. Qe3 Bf4 29. Qg1 Bg3 30. Qh1 Kh7 31. Be3 f6 32. Re2 Rd8 33. Qh3 Rxd3 34. Rxd3 Qxd3 35. Qxg3 Qxe2+ 36. Kg1 Qxe3+ 37. Kh1 Rc1+ 38. Kh2 Qg1+ 0-1

[Event "GRE-ch U20"]
[Site "Athens"]
[Date "2006.01.05"]
[Round "4.6"]
[White "Pavlidis, Anastasios"]
[Black "Papanikolaou, Efthymios"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2136"]
[PlyCount "33"]
[EventDate "2006.01.03"]
[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 d5 2. c4 c6 3. Nc3 Nf6 4. e3 Bf5 5. Qb3 Qd7 6. Nf3 Qd6 7. Qxb7 Nfd7 8. c5 Nxc5 9. dxc5 Bc8 10. Qxc8+ Qd8 11. Qxd8+ Kxd8 12. Ne5 Ke8 13. Nxd5 cxd5 14. Bb5+ Nd7 15. Bxd7+ Kd8 16. c6 Rg8 17. Bd2 1-0

[Event "GRE-ch U20"]
[Site "Athens"]
[Date "2006.01.04"]
[Round "2.11"]
[White "Nikoleris, Evangelos"]
[Black "Papanikolaou, Efthymios"]
[Result "1/2-1/2"]
[ECO "C61"]
[WhiteElo "1876"]
[PlyCount "44"]
[EventDate "2006.01.03"]
[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 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. 0-0 Nd4 5. Nxd4 exd4 6. c3 a6 7. Bc4 Nc6 8. d3 Qf6 9. f4 d6 10. Bd5 Bd7 11. e5 dxe5 12. fxe5 Qh4 13. Bxf7+ Kd8 14. Qe1 Be7 15. e6 Be8 16. Na3 Rf8 17. Qxh4 Bxh4 18. Nc2 Bf6 19. Bxe8 Rxe8 20. cxd4 Nxd4 21. Nxd4 Bxd4+ 22. Kh1 Bf6 1/2-1/2

[Event "GRE-ch U20"]
[Site "Athens"]
[Date "2006.01.04"]
[Round "3.4"]
[White "Papanikolaou, Efthymios"]
[Black "Dounis, Alexandros"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "1975"]
[PlyCount "62"]
[EventDate "2006.01.03"]
[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 d5 2. f3 dxe4 3. fxe4 e5 4. Qh5 Nc6 5. Bb5 Bd6 6. c3 Nf6 7. Qf3 Bg4 8. Qg3 0-0 9. d3 Bc5 10. Nd2 Bh5 11. Ndf3 Ng4 12. Qh4 Bf2+ 13. Qxf2 Nxf2 14. Kxf2 f5 15. Ke1 fxe4 16. Bg5 Qe8 17. dxe4 Qg6 18. Bd3 Bxf3 19. Nxf3 Rxf3 20. gxf3 Qxg5 21. Ke2 Qg2+ 22. Ke3 Rf8 23. Raf1 Qxb2 24. Rf2 Qxc3 25. Rc2 Rxf3+ 26. Kxf3 Qxd3+ 27. Kg4 Qxe4+ 28. Kg5 h6+ 29. Kh5 g6+ 30. Kxh6 Qh4+ 31. Kxg6 Ne7# 0-1

[Event "Attica-ch U20"]
[Site "Athens"]
[Date "2005.12.29"]
[Round "4.5"]
[White "Samartzis, Mihail"]
[Black "Papanikolaou, Efthymios"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "41"]
[EventDate "2005.12.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qf6 5. 0-0 d6 6. d3 Qg6 7. Ng5 Nd8 8. d4 h6 9. Nxf7 Nxf7 10. dxc5 Bh3 11. Bxf7+ Kxf7 12. Qf3+ Ke7 13. Qxh3 Nf6 14. Nd2 Nh5 15. Nf3 Raf8 16. Nh4 Qxe4 17. f3 Qd3 18. Qg4 Nf4 19. Bxf4 Rf7 20. Ng6+ Ke8 21. Qc8# 1-0

[Event "Attica-ch U20"]
[Site "Athens"]
[Date "2005.12.28"]
[Round "2.5"]
[White "Vandoros, Nikolaos"]
[Black "Papanikolaou, Efthymios"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2017"]
[PlyCount "49"]
[EventDate "2005.12.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 Bd6 4. d5 Nce7 5. Bd3 Nh6 6. Bxh6 gxh6 7. Qd2 Ng8 8. c4 Qf6 9. Nc3 a6 10. a3 Qg6 11. g3 c5 12. Nh4 Qf6 13. Nf5 Qg6 14. 0-0-0 Qf6 15. f4 Rb8 16. Rdf1 exf4 17. gxf4 Ne7 18. e5 Bxe5 19. fxe5 Qxe5 20. Nxe7 Qd6 21. Nf5 Qb6 22. Qe3+ Kd8 23. Qe7+ Kc7 24. d6+ Qxd6 25. Qxd6+ 1-0

[Event "Attica-ch U20"]
[Site "Athens"]
[Date "2005.12.27"]
[Round "1.3"]
[White "Papanikolaou, Efthymios"]
[Black "Zamit, Kyriakos"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "1848"]
[PlyCount "30"]
[EventDate "2005.12.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 Nf6 3. Bc4 g6 4. Nf3 Bg7 5. Ng5 e6 6. 0-0 a6 7. a4 0-0 8. b4 b6 9. Bb2 h6 10. Nf3 Nxe4 11. Ra3 Bb7 12. d3 Ng5 13. Nxg5 Qxg5 14. Ne4 Bxe4 15. Bxg7 Qxg2# 0-1

