[Event "GRE-chT"]
[Site "Athens"]
[Date "1987.??.??"]
[Round "?"]
[White "Gerogiannis, Christodoulos"]
[Black "Pountzas, Hrisanthos"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2300"]
[BlackElo "2310"]
[PlyCount "73"]
[EventDate "1987.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 Bb7 6. Nc3 Qa5 7. Bd2 axb5 8. Bxb5 Qb6 9. Bc4 e6 10. dxe6 Bxg2 11. exf7+ Kd8 12. f3 Bxh1 13. Nh3 Nc6 14. Kf2 Ne5 15. Be2 Qd6 16. Kg1 Bxf3 17. Bxf3 Nxf3+ 18. Qxf3 Rb8 19. Rd1 Rxb2 20. Ne4 Nxe4 21. Ba5+ Kc8 22. Rxd6 Nxd6 23. Qa8+ Rb8 24. Qa6+ Rb7 25. Qa8+ Rb8 26. Qa6+ Rb7 27. Nf4 Kb8 28. Nd5 Nc8 29. Bc3 d6 30. a4 h5 31. a5 Rh6 32. Qc4 Rxf7 33. a6 Rg6+ 34. Kh1 Rg4 35. Qb5+ Ka8 36. Ba5 Rg5 37. Nc7+ 1-0

[Event "Litomerice 1st"]
[Site "Litomerice"]
[Date "1986.09.04"]
[Round "11"]
[White "Gerogiannis, Christodoulos"]
[Black "Drvota, Antonin"]
[Result "1-0"]
[ECO "E70"]
[WhiteElo "2310"]
[BlackElo "2280"]
[PlyCount "91"]
[EventDate "1986.08.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[EventCategory "3"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Bg5 d6 6. f4 h6 7. Bh4 c5 8. d5 a6 9. a4 Qa5 10. Bd3 e6 11. dxe6 Bxe6 12. Nf3 Qb4 13. Qe2 Nc6 14. 0-0 Nd4 15. Nxd4 cxd4 16. Nd5 Bxd5 17. cxd5 Rfe8 18. Be1 Qc5 19. Qf3 Rac8 20. b4 Qc7 21. Bd2 Qe7 22. Rae1 Nd7 23. a5 Qf8 24. Qg3 Qe7 25. Re2 Nf6 26. f5 g5 27. h4 Nh7 28. hxg5 hxg5 29. Qh3 Bf6 30. g4 Qf8 31. Rh2 Qg7 32. Rf3 Be5 33. Rh1 Nf6 34. Bxg5 Nxe4 35. Bh6 Ng5 36. Bxg7 Nxh3+ 37. Rhxh3 Kxg7 38. g5 Rh8 39. f6+ Kg8 40. Rxh8+ Kxh8 41. Rh3+ Kg8 42. Bh7+ Kf8 43. Bf5 Rc1+ 44. Kf2 Kg8 45. Rh7 d3 46. Rg7+ 1-0

[Event "Litomerice 1st"]
[Site "Litomerice"]
[Date "1986.09.03"]
[Round "10"]
[White "Bretsnajdr, Vladimir"]
[Black "Gerogiannis, Christodoulos"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "2200"]
[BlackElo "2310"]
[PlyCount "75"]
[EventDate "1986.08.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[EventCategory "3"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 Nge7 7. Be3 Nxd4 8. Qxd4 b5 9. 0-0 Nc6 10. Qd2 Be7 11. Rad1 d6 12. f4 0-0 13. Bf3 Bb7 14. Qf2 Rb8 15. Bb6 Qc8 16. Kh1 Ba8 17. g4 Qb7 18. Be3 Qc7 19. g5 Qa5 20. a3 b4 21. axb4 Qxb4 22. Bc1 Rfc8 23. Bg2 Bf8 24. Rd3 Ne7 25. Rh3 d5 26. Qh4 h6 27. gxh6 dxe4 28. hxg7 Bxg7 29. Qh7+ Kf8 30. Rg3 Qd4 31. Be3 Qf6 32. f5 Nxf5 33. Rxf5 exf5 34. Rxg7 f4 35. Bd4 Qe6 36. Qh8+ Ke7 37. Qh4+ Kf8 38. Rg8+ 1-0

[Event "Litomerice 1st"]
[Site "Litomerice"]
[Date "1986.09.02"]
[Round "9"]
[White "Gerogiannis, Christodoulos"]
[Black "Pirttimaki, Timo"]
[Result "1/2-1/2"]
[ECO "D14"]
[WhiteElo "2310"]
[BlackElo "2305"]
[PlyCount "21"]
[EventDate "1986.08.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[EventCategory "3"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Ne5 Nd7 9. Nxc6 bxc6 10. Bd3 Bxd3 11. Qxd3 1/2-1/2

[Event "Litomerice 1st"]
[Site "Litomerice"]
[Date "1986.09.01"]
[Round "8"]
[White "Lacha, Josef"]
[Black "Gerogiannis, Christodoulos"]
[Result "0-1"]
[ECO "B37"]
[WhiteElo "2200"]
[BlackElo "2310"]
[PlyCount "82"]
[EventDate "1986.08.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[EventCategory "3"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 g6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bg7 7. Be2 0-0 8. 0-0 Nc6 9. Nc2 Bd7 10. Kh1 a6 11. Be3 Qa5 12. f3 Rab8 13. Rb1 Rfc8 14. f4 b5 15. b4 Qd8 16. c5 dxc5 17. Bxc5 Be6 18. Qe1 Nd7 19. Rd1 Qc7 20. f5 Nxc5 21. bxc5 Bxc3 22. Qxc3 Bxa2 23. Qa3 Qa5 24. Qxa5 Nxa5 25. Nb4 Bc4 26. Bxc4 bxc4 27. Nd5 Rb7 28. e5 gxf5 29. Rxf5 Rxc5 30. h3 Kf8 31. Nf6 exf6 32. exf6 Rc8 33. Rxa5 c3 34. Rc5 Rbb8 35. Rxc8+ Rxc8 36. Kg1 c2 37. Rc1 Ke8 38. Kf2 Kd7 39. Kf3 Ke6 40. Kg4 Kxf6 41. Kh5 Ke5 0-1

[Event "Litomerice 1st"]
[Site "Litomerice"]
[Date "1986.08.31"]
[Round "7"]
[White "Gerogiannis, Christodoulos"]
[Black "Kupka, Slavoj"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "2310"]
[BlackElo "2355"]
[PlyCount "66"]
[EventDate "1986.08.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[EventCategory "3"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 g6 7. f4 Bg7 8. Nf3 0-0 9. e4 Bxf1 10. Rxf1 d6 11. Kf2 Nbd7 12. Kg1 Nb6 13. Qe2 Na4 14. Bd2 Nd7 15. Nxa4 Rxa4 16. Bc3 Bxc3 17. bxc3 Qa5 18. e5 Nb6 19. exd6 exd6 20. f5 Qxc3 21. fxg6 hxg6 22. Rae1 Nxd5 23. Ng5 Rf4 24. Nf3 Rf6 25. Qf2 Qc4 26. Qd2 Rf5 27. h3 Ra8 28. g4 Rf4 29. Rd1 Nc3 30. Rde1 Rxa2 31. Qxd6 Ne2+ 32. Kh1 Qe4 33. Kg2 Rxf3 0-1

[Event "Litomerice 1st"]
[Site "Litomerice"]
[Date "1986.08.30"]
[Round "6"]
[White "Kruszynski, Wlodzimierz"]
[Black "Gerogiannis, Christodoulos"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "2325"]
[BlackElo "2310"]
[PlyCount "81"]
[EventDate "1986.08.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[EventCategory "3"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. Bf4 e5 7. Be3 a6 8. N5c3 Nf6 9. Bg5 Be7 10. Bxf6 Bxf6 11. Nd2 Be6 12. Nc4 0-0 13. Ne3 Bg5 14. Ncd5 Bxe3 15. Nxe3 Ne7 16. Bc4 Bxc4 17. Nxc4 d5 18. exd5 Qxd5 19. Qxd5 Nxd5 20. 0-0-0 Nb4 21. Nxe5 Nxa2+ 22. Kb1 Nb4 23. c3 Nc6 24. Nxc6 bxc6 25. Rd6 Rfe8 26. Rhd1 Kf8 27. Kc2 Rac8 28. Rd7 Rb8 29. R1d2 Rb5 30. Rc7 Reb8 31. b4 Rg5 32. g3 Rg6 33. Ra7 c5 34. bxc5 Rf6 35. f4 g6 36. Rd6 Rf5 37. c6 Rc8 38. Kd3 a5 39. Kd4 Rb5 40. Rf6 Ke8 41. Kc4 1-0

[Event "Litomerice 1st"]
[Site "Litomerice"]
[Date "1986.08.29"]
[Round "5"]
[White "Gerogiannis, Christodoulos"]
[Black "Marszalek, Rafal"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2310"]
[BlackElo "2345"]
[PlyCount "82"]
[EventDate "1986.08.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[EventCategory "3"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 f5 2. g4 fxg4 3. e4 d6 4. h3 Nf6 5. Nc3 e5 6. d5 c6 7. hxg4 Bxg4 8. f3 Bc8 9. Be3 Qa5 10. Qd2 c5 11. Bh3 Na6 12. a4 Nc7 13. Ra3 Bxh3 14. Nxh3 0-0-0 15. Ng5 Rd7 16. Nb5 Qxd2+ 17. Kxd2 Nxb5 18. axb5 b6 19. Ne6 g6 20. Bg5 Nh5 21. Rha1 a5 22. bxa6 Kb8 23. a7+ Ka8 24. Kc3 Be7 25. Bxe7 Rxe7 26. Kc4 Ng7 27. Nxg7 Rxg7 28. Kb5 h5 29. Ra6 h4 30. Rxb6 Rb7 31. Rxb7 Kxb7 32. Kc4 h3 33. Kd3 g5 34. Ke3 h2 35. Rh1 Kxa7 36. Kf2 Rh4 37. Kg3 Rf4 38. Rxh2 g4 39. fxg4 Rxe4 40. g5 Re3+ 41. Kg4 Kb6 1-0

[Event "Litomerice 1st"]
[Site "Litomerice"]
[Date "1986.08.28"]
[Round "4"]
[White "Moehring, Guenther"]
[Black "Gerogiannis, Christodoulos"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2310"]
[BlackElo "2310"]
[PlyCount "65"]
[EventDate "1986.08.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[EventCategory "3"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. 0-0 e6 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 a6 10. b3 Nbd7 11. e4 0-0 12. Ba3 Nc5 13. e5 dxe5 14. Qxd8 Rfxd8 15. Nxe5 Bxg2 16. Kxg2 Bf8 17. Bxc5 Bxc5 18. Na4 Bd4 19. Nc6 Bxa1 20. Nxd8 Kf8 21. Nxb6 Rb8 22. c5 Bb2 23. b4 Bc3 24. a3 g5 25. Rd3 Bb2 26. a4 Kg7 27. Nc6 Rb7 28. b5 axb5 29. a5 Nd5 30. Nxd5 exd5 31. a6 Rc7 32. a7 Rc8 33. Nb8 1-0

[Event "Litomerice 1st"]
[Site "Litomerice"]
[Date "1986.08.27"]
[Round "3"]
[White "Gerogiannis, Christodoulos"]
[Black "Sarwinski, Miroslaw"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2310"]
[BlackElo "2395"]
[PlyCount "106"]
[EventDate "1986.08.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[EventCategory "3"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 0-0 5. g3 d6 6. Bg2 c5 7. 0-0 Nc6 8. Qd3 cxd4 9. Nxd4 Ne5 10. Qc2 Nxc4 11. Qb3 Bxc3 12. Qxc3 Nb6 13. b3 d5 14. Ba3 Re8 15. Nb5 Bd7 16. Nd6 Rf8 17. Nxb7 Qc8 18. Qxc8 Rfxc8 19. Rfc1 Rxc1+ 20. Rxc1 Rc8 21. Rxc8+ Bxc8 22. Nc5 Nbd7 23. Kf1 Nxc5 24. Bxc5 a6 25. Ke1 Ne4 26. Bxe4 dxe4 27. Kd2 Bd7 28. Kc3 Bb5 29. e3 f5 30. Kd4 Kf7 31. Ke5 Bd3 32. Kd6 Bb1 33. a3 Bc2 34. b4 Ba4 35. Kc7 Ke8 36. Kb6 Bb5 37. a4 Bxa4 38. Kxa6 Kd7 39. b5 Kc8 40. Kb6 g5 41. Kc6 g4 42. Bb4 Bb3 43. Kd6 Kb7 44. Bc5 Bd5 45. Ke5 Bc4 46. b6 Bd5 47. Kf6 Bc4 48. Kg7 Bd3 49. Kxh7 Be2 50. Kg6 Bc4 51. Kf6 Bd5 52. Ke5 Kc6 53. Bd4 Kd7 1/2-1/2

[Event "Litomerice 1st"]
[Site "Litomerice"]
[Date "1986.08.26"]
[Round "2"]
[White "Babula, Milan"]
[Black "Gerogiannis, Christodoulos"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2365"]
[BlackElo "2310"]
[PlyCount "73"]
[EventDate "1986.08.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[EventCategory "3"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 d6 7. Be2 Be7 8. 0-0 0-0 9. Be3 Qc7 10. Rc1 Nbd7 11. f4 b6 12. Bf3 Bb7 13. Qe2 Rac8 14. b3 Qb8 15. g4 Qa8 16. Bf2 h6 17. h4 Nh7 18. Bg2 Rfe8 19. g5 hxg5 20. fxg5 Nhf8 21. Be3 Ne5 22. a4 Nfd7 23. Rf4 Nc5 24. Rcf1 Rf8 25. Qh5 Ncd3 26. Rf6 Rc5 27. Nd5 exd5 28. Nf5 Qd8 29. Nh6+ gxh6 30. Rxh6 Ng6 31. Rxg6+ fxg6 32. Qxg6+ Kh8 33. Qh6+ Kg8 34. Qe6+ Kg7 35. Qh6+ Kg8 36. g6 Rxf1+ 37. Bxf1 1-0

[Event "Litomerice 1st"]
[Site "Litomerice"]
[Date "1986.08.26"]
[Round "1"]
[White "Halasz, Tamas"]
[Black "Gerogiannis, Christodoulos"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2385"]
[BlackElo "2310"]
[PlyCount "43"]
[EventDate "1986.08.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[EventCategory "3"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. 0-0 Be7 8. h3 Bh5 9. Be3 cxd4 10. cxd4 0-0 11. Nc3 Qa5 12. a3 Nc6 13. Qb3 Qc7 14. d5 exd5 15. Nxd5 Nxd5 16. Qxd5 Bg6 17. Rac1 Bf6 18. Qb5 h6 19. Rfd1 Rfd8 20. Rxd8+ Rxd8 21. Qb3 Qe7 22. Bb5 1/2-1/2

[Event "ECI op U20 8th"]
[Site "Eeklo"]
[Date "1981.08.??"]
[Round "3"]
[White "Bezsilko, Philippe"]
[Black "Gerogiannis, Christodoulos"]
[Result "1/2-1/2"]
[ECO "B74"]
[WhiteElo "2060"]
[BlackElo "2165"]
[PlyCount "81"]
[EventDate "1981.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Nf6 6. Be3 Bg7 7. Be2 0-0 8. Nb3 d6 9. 0-0 Be6 10. f4 Qc8 11. h3 Rd8 12. Bd3 Nb4 13. Nd4 Bc4 14. a3 Na6 15. Qe2 Bxd3 16. cxd3 Nh5 17. Qf2 Nc5 18. Rad1 Rd7 19. f5 b6 20. Nde2 Qa6 21. fxg6 fxg6 22. Qf7+ Kh8 23. Qd5 Re8 24. d4 e6 25. Qg5 Nxe4 26. Nxe4 Qxe2 27. Rd2 h6 28. Qxh6+ Bxh6 29. Rxe2 d5 30. Bxh6 dxe4 31. Bf4 Nxf4 32. Rxf4 Rxd4 33. Rfxe4 Rxe4 34. Rxe4 Kg7 35. Kf2 Kf6 36. Kf3 Rc8 37. Re2 Rc4 38. Re4 Rc2 39. Re2 Rc4 40. Re4 Rc2 41. Re2 1/2-1/2

[Event "ECI op U20 8th"]
[Site "Eeklo"]
[Date "1981.08.??"]
[Round "8"]
[White "Feistenauer, Fred"]
[Black "Gerogiannis, Christodoulos"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2100"]
[BlackElo "2165"]
[PlyCount "35"]
[EventDate "1981.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 d4 3. Nce2 e5 4. d3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 c5 7. f4 exf4 8. Nxf4 Nc6 9. Nf3 Nge7 10. Be2 0-0 11. 0-0 Qd6 12. Rae1 Ne5 13. Nxe5 Qxe5 14. Bf3 Be6 15. a3 Rac8 16. g3 Nc6 17. Kg2 Qd6 18. b3 1/2-1/2

[Event "ECI op U20 8th"]
[Site "Eeklo"]
[Date "1981.08.??"]
[Round "4"]
[White "Gerogiannis, Christodoulos"]
[Black "Geenen, Marc"]
[Result "1-0"]
[ECO "E70"]
[WhiteElo "2165"]
[BlackElo "1872"]
[PlyCount "71"]
[EventDate "1981.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bg5 Nbd7 6. f4 0-0 7. Bd3 e5 8. fxe5 dxe5 9. d5 h6 10. Bh4 a6 11. Nf3 Qe8 12. 0-0 Nh5 13. Rc1 f5 14. b4 f4 15. c5 g5 16. Bf2 g4 17. Nh4 g3 18. hxg3 fxg3 19. Be3 Ndf6 20. Nf5 Kh7 21. Be2 Qg6 22. d6 cxd6 23. cxd6 Be6 24. Nd5 Bxd5 25. exd5 Rfd8 26. Rc7 Kh8 27. Re7 Bf8 28. Re6 Nf4 29. Bxf4 exf4 30. Rxf4 Qg5 31. Qd4 Kh7 32. Rxf6 Rac8 33. Rf7+ Kg8 34. Rxf8+ Rxf8 35. Ne7+ Kh7 36. Bd3+ 1-0

[Event "ECI op U20 8th"]
[Site "Eeklo"]
[Date "1981.08.??"]
[Round "2"]
[White "Gerogiannis, Christodoulos"]
[Black "Michiels, Dirk"]
[Result "0-1"]
[ECO "A98"]
[WhiteElo "2165"]
[BlackElo "2028"]
[PlyCount "96"]
[EventDate "1981.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nc3 0-0 6. Qc2 d6 7. Nf3 Qe8 8. e4 fxe4 9. Nxe4 Qh5 10. 0-0 Nc6 11. d5 exd5 12. Nxf6+ Bxf6 13. cxd5 Bf5 14. Qc4 Qf7 15. Qb5 Nd8 16. Be3 a6 17. Qb3 c5 18. a4 Nc6 19. Bf4 Na5 20. Qa2 Bd3 21. Rfc1 Be4 22. Nd2 Bxg2 23. Kxg2 Bd4 24. Nf3 Be5 25. Nxe5 dxe5 26. Be3 c4 27. Rd1 Nb3 28. Rab1 b5 29. Qa3 Rad8 30. d6 Qb7+ 31. Kg1 b4 32. Qa2 a5 33. Rbc1 Qf3 34. Rd3 Qf7 35. Rxc4 Qxc4 36. Qxb3 Qxb3 37. Rxb3 Rxd6 38. Bc5 Rd1+ 39. Kg2 Rfd8 40. Bb6 R8d5 41. Re3 Kf7 42. Kf3 R1d2 43. b3 Ke6 44. Bc7 Rc2 45. Bb6 Rc6 46. Ba7 Ra6 47. Bb8 Rb6 48. Bc7 Rb7 0-1

[Event "ECI op U20 8th"]
[Site "Eeklo"]
[Date "1981.08.??"]
[Round "6"]
[White "Gerogiannis, Christodoulos"]
[Black "Van der Zalm, Marnix"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2165"]
[BlackElo "1758"]
[PlyCount "65"]
[EventDate "1981.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 exd5 7. g3 Be7 8. Bg2 0-0 9. 0-0 Na6 10. b4 c5 11. bxc5 bxc5 12. Rb1 Qc8 13. Qb3 Bc6 14. Bf4 c4 15. Qa2 Nh5 16. Ne5 Nxf4 17. gxf4 Rd8 18. e4 Bb7 19. Nxd5 Bxd5 20. exd5 Bd6 21. Nc6 Re8 22. Qxc4 Nc7 23. Qd3 Qg4 24. Qg3 Qf5 25. Qg5 Qd3 26. a4 f6 27. Qg4 f5 28. Qg5 h6 29. Qg6 Bxf4 30. d6 Re6 31. Ne7+ Kh8 32. Qxf5 Qxf5 33. Nxf5 1-0

[Event "ECI op U20 8th"]
[Site "Eeklo"]
[Date "1981.08.??"]
[Round "1"]
[White "Gobet, Fernand"]
[Black "Gerogiannis, Christodoulos"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2000"]
[BlackElo "2165"]
[PlyCount "83"]
[EventDate "1981.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. 0-0 Nc6 8. Re1 Bg4 9. c4 Nf6 10. Nc3 0-0 11. cxd5 Nxd5 12. Be4 Be6 13. Qc2 Nf6 14. Bxc6 bxc6 15. Ne5 Qd6 16. Bg5 h6 17. Bxf6 Bxf6 18. Ne4 Qxd4 19. Nxf6+ gxf6 20. Nxc6 Qg4 21. Re3 Kh8 22. Qc3 Qh4 23. Rf3 Kg7 24. g3 Qc4 25. Qxf6+ Kh7 26. Rf4 Qc2 27. Re1 Qd2 28. Rxe6 Qd1+ 29. Kg2 fxe6 30. Qe7+ Kg8 31. Qxe6+ Kg7 32. Qe7+ Kg8 33. Qe6+ Kh7 34. Ne7 Qh5 35. Qe4+ Kg7 36. Rg4+ Kf7 37. Nf5 Rae8 38. Rg7+ Kf6 39. Qd4+ Re5 40. g4 Qe8 41. f4 Qc6+ 42. Kg3 1-0

[Event "ECI op U20 8th"]
[Site "Eeklo"]
[Date "1981.08.??"]
[Round "7"]
[White "Karadag, Eflatun Cem"]
[Black "Gerogiannis, Christodoulos"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2064"]
[BlackElo "2165"]
[PlyCount "61"]
[EventDate "1981.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 d4 3. Nce2 e5 4. d3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 c5 7. g3 Nc6 8. f4 exf4 9. Nxf4 Nge7 10. Bg2 Ne5 11. h3 0-0 12. g4 N7g6 13. 0-0-0 Be6 14. Nd5 Ne7 15. Re1 Rc8 16. b3 b5 17. g5 c4 18. dxc4 bxc4 19. Qxd4 cxb3 20. axb3 Nxd5 21. exd5 Qxg5+ 22. Kb1 Qxg2 23. dxe6 Qxc2+ 24. Ka1 Rc6 25. exf7+ Kh8 26. Re2 Ra6+ 27. Qa4 Rxa4+ 28. bxa4 Qd1+ 29. Ka2 Qd5+ 30. Kb2 Qxh1 31. Nf3 0-1

[Event "ECI op U20 8th"]
[Site "Eeklo"]
[Date "1981.08.??"]
[Round "5"]
[White "Welvaert, Dirk"]
[Black "Gerogiannis, Christodoulos"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1741"]
[BlackElo "2165"]
[PlyCount "132"]
[EventDate "1981.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. 0-0 Nbd7 8. Bd2 c6 9. Re1 Qc7 10. Ng5 Bf5 11. b4 h6 12. Nf3 a6 13. Na4 b5 14. Nc5 Nb6 15. Ne5 Bd6 16. Bf3 Nfd5 17. g3 0-0 18. Rb1 Bxe5 19. Rxe5 Nc4 20. Re1 Rfd8 21. Be4 Nd6 22. Bxd5 exd5 23. Bf4 a5 24. Bxd6 Rxd6 25. bxa5 Rxa5 26. Re8+ Kh7 27. Qe1 Ra7 28. Rb2 Rd8 29. Re5 Bg6 30. h4 f6 31. Re3 Rda8 32. Qe2 Rxa2 33. Rxa2 Rxa2 34. h5 Be4 35. Nxe4 dxe4 36. Rxe4 Qd7 37. Qd3 Kh8 38. Kg2 Qd5 39. f3 Qxh5 40. g4 Qf7 41. Qe2 Ra8 42. Re6 Qd7 43. Qe4 Rc8 44. Kh3 Qd5 45. Qxd5 cxd5 46. Rb6 Rc4 47. Rxb5 Rxd4 48. Kh4 Kh7 49. Kg3 Rd2 50. Kf4 d4 51. Rd5 Kg6 52. Ke4 Rxc2 53. Rxd4 Kg5 54. Rd7 Re2+ 55. Kd3 Re6 56. Rxg7+ Kf4 57. Rg6 Kxf3 58. Kd2 Kg3 59. Kd3 Kh4 60. Kd4 h5 61. g5 Rd6+ 62. Ke3 Rd8 63. gxf6 Kh3 64. f7 Rf8 65. Rg7 h4 66. Kf2 Kh2 1/2-1/2

[Event "GRE-ch U18"]
[Site "Athens"]
[Date "1978.07.27"]
[Round "13"]
[White "Gerogiannis, Christodoulos"]
[Black "Natsis, Trifon"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "19"]
[EventDate "1978.07.15"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "GRE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Nf6 6. 0-0 0-0 7. Bg5 Bg4 8. Nbd2 Nbd7 9. c3 c6 10. Qc2 1/2-1/2

[Event "GRE-ch U18"]
[Site "Athens"]
[Date "1978.07.15"]
[Round "1"]
[White "Alexopoulos, Georgios"]
[Black "Gerogiannis, Christodoulos"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "112"]
[EventDate "1978.07.15"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "GRE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 Nc6 2. Nc3 Nf6 3. d4 d6 4. f4 g6 5. Be2 Bg7 6. g4 e5 7. g5 Nd7 8. fxe5 dxe5 9. d5 Nd4 10. Be3 Nb6 11. Qd2 Nxe2 12. Qxe2 f5 13. gxf6 Qxf6 14. 0-0-0 0-0 15. h4 h5 16. Qd3 Bg4 17. Re1 Kh7 18. Nh3 Bxh3 19. Rxh3 Bh6 20. Bxh6 Kxh6 21. Rhh1 Qf4+ 22. Kb1 Qf3 23. Ref1 Qxd3 24. cxd3 a6 25. Kc2 Nd7 26. Kd2 Rxf1 27. Rxf1 Rf8 28. Rxf8 Nxf8 29. Ke3 g5 30. hxg5+ Kxg5 31. Kf3 Nd7 32. b4 b6 33. Nd1 Nf6 34. Ne3 Nd7 35. a4 Kg6 36. Nc4 Kf6 37. Ne3 Kg6 38. Kg3 Kg5 39. Ng2 Nf6 40. Ne1 Nd7 41. Nf3+ Kg6 42. Kf2 a5 43. bxa5 bxa5 44. Ke3 Kf6 45. d4 exd4+ 46. Nxd4 Nc5 47. Nc6 Nxa4 48. Nxa5 h4 49. Nc6 h3 50. e5+ Kf5 51. Kf3 h2 52. Kg2 h1Q+ 53. Kxh1 Nc3 54. d6 cxd6 55. exd6 Ke6 56. Kg2 Kxd6 1/2-1/2

