[Event "Thessaloniki-Chalkidiki-chT"]
[Site "Thessaloniki"]
[Date "2022.03.19"]
[Round "4"]
[White "Kukov, Velislav"]
[Black "Porfiriadis, Sotirios"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2337"]
[BlackElo "2205"]
[PlyCount "44"]
[EventDate "2022.02.20"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. cxd5 cxd5 4. d4 Nf6 5. Nc3 Nc6 6. Bf4 a6 7. Rc1 e6 8. e3 Bd6 9. Bxd6 Qxd6 10. Bd3 0-0 11. 0-0 Bd7 12. a3 b5 13. e4 dxe4 14. Nxe4 Nxe4 15. Bxe4 Rac8 16. d5 exd5 17. Qxd5 Qxd5 18. Bxd5 Ne7 19. Bb7 Rxc1 20. Rxc1 Bc8 21. Rc7 Bxb7 22. Rxb7 Rc8 1-0

[Event "Thessaloniki-Chalkidiki-chT"]
[Site "Thessaloniki"]
[Date "2022.03.13"]
[Round "3"]
[White "Porfiriadis, Sotirios"]
[Black "Theoharidis, Georgios"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2205"]
[BlackElo "1868"]
[PlyCount "95"]
[EventDate "2022.02.20"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. h4 Bg7 5. h5 gxh5 6. e4 d6 7. Bg5 Nxe4 8. Qxh5+ Kf8 9. Nxe4 fxe4 10. Rh4 Nd7 11. Rxe4 Nf6 12. Qf3 c6 13. Bd3 Qa5+ 14. Bd2 Qh5 15. Qxh5 Nxh5 16. Rh4 Nf6 17. Ne2 Be6 18. Ng3 d5 19. c5 Bf7 20. 0-0-0 Bg6 21. Nf5 e6 22. Nxg7 Kxg7 23. Bf4 Nd7 24. Kd2 Rae8 25. Re1 h5 26. f3 Bxd3 27. Kxd3 Kf6 28. b4 e5 29. Bxe5+ Nxe5+ 30. Rxe5 Rxe5 31. dxe5+ Kxe5 32. g4 Rf8 33. Rxh5+ Kf4 34. Kd4 Rf7 35. a3 a6 36. a4 Rf8 37. b5 axb5 38. axb5 cxb5 39. Rxd5 b4 40. Kc4 b3 41. Kxb3 Ke3 42. Rf5 Rd8 43. Kc4 Rd4+ 44. Kb5 Rd1 45. Kb6 Rb1+ 46. Kc7 Kd4 47. g5 Rb2 48. g6 1-0

[Event "Thessaloniki-Chalkidiki-chT"]
[Site "Thessaloniki"]
[Date "2022.02.27"]
[Round "2"]
[White "Lianas, Ioannis"]
[Black "Porfiriadis, Sotirios"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1954"]
[BlackElo "2205"]
[PlyCount "70"]
[EventDate "2022.02.20"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d3 e5 5. 0-0 Ne7 6. c4 c6 7. cxd5 cxd5 8. Nc3 0-0 9. e4 Nbc6 10. Bg5 d4 11. Nd5 f6 12. Nxe7+ Qxe7 13. Bd2 Be6 14. Nh4 Rac8 15. f4 exf4 16. gxf4 Bf7 17. Qe1 Rfe8 18. Bh3 Rc7 19. Qg3 Kh8 20. Rf2 Bh6 21. a3 Rg8 22. Kh1 b6 23. Rg1 a5 24. Rfg2 Qd8 25. Bg4 Ne7 26. Qh3 Rc2 27. Be6 Bxe6 28. Qxe6 Rc6 29. Qh3 Qc8 30. Nf5 Bf8 31. Qg4 Rc2 32. Nxd4 Qxg4 33. Rxg4 Rxd2 34. R4g3 Bh6 35. Rf1 Rd8 0-1

[Event "Thessaloniki/Chalkidiki-chT"]
[Site "Thessaloniki/Chalkidiki"]
[Date "2019.03.17"]
[Round "8.2"]
[White "Gioras, Ioannis"]
[Black "Porfiriadis, Sotirios"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "1669"]
[BlackElo "2220"]
[PlyCount "167"]
[EventDate "2019.01.13"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Moudanion"]
[BlackTeam "Thessaloniki Aris"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Be2 Ngf6 6. d3 g6 7. Bd2 Bg7 8. Qc1 0-0 9. Nc3 b5 10. a4 b4 11. Nd1 Re8 12. Ne3 Bb7 13. a5 Qc7 14. c3 bxc3 15. bxc3 e6 16. c4 d5 17. cxd5 exd5 18. exd5 Nxd5 19. Rb1 Nf4 20. Qd1 Rad8 21. Re1 Ne5 22. Nxe5 Bxe5 23. Ng4 Nxe2+ 24. Rxe2 Bd4 25. Rxe8+ Rxe8 26. Nh6+ Kg7 27. Qg4 Bc8 28. Qf3 f5 29. h4 Re6 30. Bg5 Qc6 31. Qd1 Qe8 32. Kf1 Bc3 33. Bd2 Bxd2 34. Qxd2 Qe7 35. g3 Bb7 36. Nxf5+ gxf5 37. Qb2+ Kg8 38. Qxb7 Re1+ 39. Kg2 Qxb7+ 40. Rxb7 Ra1 41. Kf3 Rxa5 42. Kf4 Ra4+ 43. Kxf5 Rd4 44. Kf6 Rd6+ 45. Kg5 Rxd3 46. Rc7 Rd5+ 47. Kf6 Rd6+ 48. Ke5 Rd2 49. f3 Rd3 50. Ke4 Rd4+ 51. Ke5 Rd3 52. Kf4 Rd4+ 53. Ke3 Rc4 54. Kd3 Rc1 55. g4 a5 56. Ra7 c4+ 57. Ke4 c3 58. Rxa5 c2 59. Rg5+ Kf7 60. Rf5+ Ke6 61. Kd3 Rf1 62. Kxc2 h5 63. Rxh5 Rxf3 64. Kd2 Rg3 65. Rg5 Kf6 66. Ke2 Rh3 67. Rf5+ Ke6 68. h5 Rg3 69. Rg5 Kf6 70. Kf2 Ra3 71. Rf5+ Kg7 72. Rf3 Ra1 73. Kg3 Kh6 74. Rf6+ Kg7 75. Rg6+ Kh7 76. Rb6 Kg7 77. Kh4 Ra5 78. Rg6+ Kh7 79. Rb6 Kg7 80. h6+ Kh7 81. g5 Ra1 82. Rb7+ Kh8 83. Kh5 Ra6 84. Rb8+ 1-0

[Event "Thessaloniki/Chalkidiki-chT"]
[Site "Thessaloniki/Chalkidiki"]
[Date "2019.03.03"]
[Round "7.2"]
[White "Porfiriadis, Sotirios"]
[Black "Iskos, Alexandros"]
[Result "0-1"]
[ECO "E36"]
[WhiteElo "2220"]
[BlackElo "2215"]
[PlyCount "52"]
[EventDate "2019.01.13"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Thessaloniki Aris"]
[BlackTeam "Keravnos MAPO"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 d5 7. e3 b6 8. b3 Bb7 9. f3 Nbd7 10. Bb2 c5 11. dxc5 Nxc5 12. Nh3 Rc8 13. Nf2 dxc4 14. Bxc4 b5 15. Rd1 Qb6 16. Ng4 e5 17. Qxe5 bxc4 18. Qg5 c3 19. Bxc3 Nce4 20. fxe4 Rxc3 21. Nh6+ Kh8 22. Nf5 g6 23. Rd6 Nxe4 24. Qh6 Rxe3+ 25. Nxe3 Qxd6 26. 0-0 Kg8 0-1

[Event "Thessaloniki/Chalkidiki-chT"]
[Site "Thessaloniki/Chalkidiki"]
[Date "2019.02.24"]
[Round "6.2"]
[White "Vafiadis, Kleanthis"]
[Black "Porfiriadis, Sotirios"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2275"]
[BlackElo "2220"]
[PlyCount "114"]
[EventDate "2019.01.13"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Papafi Chronikos"]
[BlackTeam "Thessaloniki Aris"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nf3 Nf6 5. Nbd2 e6 6. c3 Bd6 7. Bg3 0-0 8. Bd3 b6 9. Qe2 Bb7 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4 g6 13. Ba6 Bxa6 14. Qxc6 Bxg3 15. hxg3 cxd4 16. 0-0-0 Qc8 17. Qxc8 Raxc8 18. Rxd4 Rc7 19. Ng5 h5 20. g4 Rc4 21. Rxc4 Bxc4 22. gxh5 Bxa2 23. hxg6 fxg6 24. f3 Bb3 25. Ne4 Kg7 26. Nd2 Bd5 27. Kc2 a5 28. Rh4 g5 29. Rd4 b5 30. Nf1 Kf6 31. Ne3 Rd8 32. g3 Rd7 33. Kd3 b4 34. cxb4 axb4 35. Nxd5+ exd5 36. Rxb4 Ke5 37. Rg4 Kf5 38. Rd4 Ke5 39. b4 Ra7 40. f4+ gxf4 41. gxf4+ Kd6 42. Ke3 Ra1 43. Kf3 Rg1 44. Kf2 Rg4 45. Kf3 Rg1 46. Kf2 Rg4 47. b5 Kc5 48. Kf3 Rg1 49. Rd2 Rb1 50. f5 Rxb5 51. Kf4 Rb8 52. f6 Kc4 53. Rc2+ Kd3 54. Rc7 d4 55. f7 Rf8 56. Ke5 Ke3 57. Kf6 d3 1/2-1/2

[Event "Thessaloniki/Chalkidiki-chT"]
[Site "Thessaloniki/Chalkidiki"]
[Date "2019.01.27"]
[Round "3.2"]
[White "Porfiriadis, Sotirios"]
[Black "Zalahoras, Nikolaos"]
[Result "1-0"]
[ECO "D97"]
[WhiteElo "2220"]
[BlackElo "2086"]
[PlyCount "87"]
[EventDate "2019.01.13"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Thessaloniki Aris"]
[BlackTeam "Thessaloniki SO Sach"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 c6 8. Qb3 a5 9. e5 Nd5 10. Be2 Na6 11. a3 Nac7 12. 0-0 Rb8 13. Bd2 h6 14. Ne4 Ne6 15. Rfe1 Ra8 16. g3 Qb6 17. Qd3 Rd8 18. Rac1 Ndc7 19. Be3 Nd5 20. Bd2 Ndc7 21. Be3 Nd5 22. h4 Nxe3 23. fxe3 Nc7 24. h5 gxh5 25. Nh4 Bg4 26. Bxg4 hxg4 27. Nf5 Nd5 28. Qe2 c5 29. Qxg4 Qg6 30. Qxg6 fxg6 31. Nxg7 Kxg7 32. Nxc5 Rdb8 33. e4 Nb6 34. Ne6+ Kf7 35. Nc7 Ra7 36. Rf1+ Kg8 37. Nb5 Ra6 38. Nc7 Ra7 39. Nb5 Ra6 40. Rc7 Nc8 41. d5 a4 42. Rd7 Rb6 43. Rd8+ Kg7 44. Nd4 1-0

[Event "Thessaloniki/Chalkidiki-chT"]
[Site "Thessaloniki/Chalkidiki"]
[Date "2019.01.13"]
[Round "1.1"]
[White "Dorfanis, Ilarion"]
[Black "Porfiriadis, Sotirios"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2146"]
[BlackElo "2220"]
[PlyCount "22"]
[EventDate "2019.01.13"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Kalamarias ES"]
[BlackTeam "Thessaloniki Aris"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GRE"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Nf6 7. Nc3 Nd7 8. Be3 e5 9. Qd2 h6 10. Nh2 Qe7 11. 0-0-0 Nf8 1/2-1/2

[Event "EU-Cup 13th Group6"]
[Site "Heraklion"]
[Date "1997.10.12"]
[Round "3"]
[White "Porfiriadis, Sotirios"]
[Black "Onischuk, Alexander"]
[Result "0-1"]
[ECO "A87"]
[WhiteElo "2340"]
[BlackElo "2625"]
[PlyCount "78"]
[EventDate "1997.10.10"]
[EventType "team-k.o."]
[EventRounds "3"]
[EventCountry "GRE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Heraklion"]
[BlackTeam "Azov Ladya"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "RUS"]

1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 d6 7. Nc3 Na6 8. Rb1 c6 9. b4 Ne4 10. Nxe4 fxe4 11. Ng5 d5 12. cxd5 cxd5 13. Nh3 Nc7 14. a4 Bf5 15. Be3 Ne8 16. Rc1 Qd7 17. Nf4 Nf6 18. h4 h6 19. Bh1 Rac8 20. Qb3 e6 21. f3 g5 22. hxg5 hxg5 23. Ng2 exf3 24. exf3 g4 25. Nf4 Rxc1 26. Rxc1 Rc8 27. Rxc8+ Qxc8 28. Nd3 gxf3 29. Bxf3 Ng4 30. Bxg4 Bxg4 31. Ne5 Bf5 32. Qd1 Qc3 33. Bf2 Be4 34. Kh2 Qb2 35. Qe1 Bh6 36. Ng4 Bg5 37. Kg1 Kg7 38. b5 b6 39. Qd1 Qc2 0-1

[Event "EU-Cup 13th Group6"]
[Site "Heraklion"]
[Date "1997.10.11"]
[Round "2"]
[White "Wells, Peter K"]
[Black "Porfiriadis, Sotirios"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2530"]
[BlackElo "2340"]
[PlyCount "61"]
[EventDate "1997.10.10"]
[EventType "team-k.o."]
[EventRounds "3"]
[EventCountry "GRE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Budapest Honved"]
[BlackTeam "Heraklion"]
[WhiteTeamCountry "HUN"]
[BlackTeamCountry "GRE"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Bd7 5. Re1 a6 6. Bf1 Bg4 7. d3 g6 8. Nbd2 Bg7 9. h3 Bxf3 10. Nxf3 Nf6 11. c3 0-0 12. d4 e5 13. dxe5 dxe5 14. Qc2 Qe7 15. Be3 Rfd8 16. Nd2 Rac8 17. Qb1 Nd7 18. Rd1 Nb6 19. a4 Na8 20. Nb3 Rxd1 21. Qxd1 Nb8 22. Qg4 Rc7 23. Rd1 h5 24. Qf3 Nd7 25. a5 Rc6 26. Bc4 Nf6 27. g4 hxg4 28. hxg4 Nc7 29. g5 Nfe8 30. Nxc5 Rxc5 31. Bxc5 1-0

[Event "EU-Cup 13th Group6"]
[Site "Heraklion"]
[Date "1997.10.10"]
[Round "1"]
[White "Porfiriadis, Sotirios"]
[Black "Biro, Karol"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2340"]
[BlackElo "2240"]
[PlyCount "101"]
[EventDate "1997.10.10"]
[EventType "team-k.o."]
[EventRounds "3"]
[EventCountry "GRE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Heraklion"]
[BlackTeam "Bratislava Dunaj"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "SVK"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. f3 0-0 7. Bg5 h6 8. Be3 a6 9. Qd2 Kh7 10. a4 Qa5 11. Nge2 Nbd7 12. Nd1 Qxd2+ 13. Bxd2 Ne8 14. Nec3 Rb8 15. Ra2 Nc7 16. Ne3 e6 17. Be2 b6 18. 0-0 e5 19. g4 Bf6 20. Ng2 Bg5 21. Be3 Kg7 22. h4 Bxe3+ 23. Nxe3 Nf6 24. Kg2 Bd7 25. Rb1 a5 26. Nb5 Nce8 27. b3 Rb7 28. Bd3 h5 29. Kg3 Rh8 30. Rf2 g5 31. Rh1 hxg4 32. fxg4 gxh4+ 33. Rxh4 Rxh4 34. Kxh4 Ng8 35. Be2 f6 36. Rg2 Kf8 37. Kg3 Bc8 38. Rh2 Rg7 39. Kf2 Ne7 40. Nf5 Nxf5 41. gxf5 Bd7 42. Nc3 Nc7 43. Rh6 Ke7 44. Bh5 Be8 45. Bg6 Bf7 46. Ne2 Ne8 47. Ng3 Rg8 48. Nh5 Kf8 49. Kf3 Bxg6 50. fxg6 Ke7 51. Kg4 1-0

[Event "GRE-chT"]
[Site "Athens"]
[Date "1997.??.??"]
[Round "3"]
[White "Fournarakos, Gerasimos"]
[Black "Porfiriadis, Sotirios"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "2150"]
[BlackElo "2315"]
[PlyCount "110"]
[EventDate "1997.??.??"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 b5 6. b3 Bg4 7. Bd2 e6 8. Be2 Bb4 9. 0-0 0-0 10. Nxd5 Nxd5 11. cxd5 Bxd2 12. Qxd2 cxd5 13. Rfc1 Qb6 14. a4 Bxf3 15. gxf3 b4 16. a5 Qb7 17. Bd3 g6 18. Qc2 Qe7 19. Qc7 Nd7 20. f4 Rfd8 21. Rc6 Qh4 22. f3 g5 23. Bxa6 g4 24. f5 e5 25. Bf1 Kh8 26. f4 g3 27. h3 g2 28. Bxg2 Qg3 29. fxe5 Qxe3+ 30. Kh1 Qxd4 31. Re1 Qd2 32. Rg1 Qe3 33. e6 Ne5 34. exf7 Nxc6 35. Qxc6 Qe5 36. Bf3 Qxf5 37. Rg8+ Rxg8 38. fxg8Q+ Rxg8 39. Bg2 Qe5 40. Qxd5 Qxd5 41. Bxd5 Rg5 42. Bc4 Rxa5 43. Kg2 Kg7 44. Kf3 Re5 45. Kf4 Kf6 46. Bd3 h6 47. Be4 Rc5 48. h4 Rc3 49. Bd5 Rh3 50. Kg4 Rd3 51. Bg8 Rd4+ 52. Kh5 Kg7 53. Be6 Re4 54. Bd7 Re3 55. Ba4 Rg3 0-1

[Event "GRE-chT"]
[Site "Athens"]
[Date "1997.??.??"]
[Round "2"]
[White "Porfiriadis, Sotirios"]
[Black "Eftimakis, Dimitros"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2315"]
[BlackElo "2120"]
[PlyCount "67"]
[EventDate "1997.??.??"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nbd2 f5 5. g3 Nf6 6. Bg2 Bd6 7. 0-0 0-0 8. b3 Qe7 9. Ne5 b6 10. Ndf3 Ne4 11. Nd3 a5 12. Nfe5 Bb7 13. f3 Nf6 14. Bb2 Nbd7 15. Nxd7 Nxd7 16. e4 fxe4 17. fxe4 Rxf1+ 18. Qxf1 Rf8 19. Qe2 Rf7 20. Re1 Nf8 21. Qg4 dxc4 22. bxc4 Ba6 23. Rc1 Ba3 24. Qe2 Nd7 25. e5 Bxb2 26. Qxb2 Qg5 27. Qe2 Nb8 28. Nf4 Bc8 29. Qe3 Qd8 30. d5 Re7 31. Rb1 Nd7 32. dxe6 Nc5 33. Bxc6 Qc7 34. Nd5 1-0

[Event "GRE-chT"]
[Site "Athens"]
[Date "1997.??.??"]
[Round "9"]
[White "Porfiriadis, Sotirios"]
[Black "Karagiannis, Athanasios"]
[Result "1-0"]
[ECO "D97"]
[WhiteElo "2315"]
[BlackElo "2265"]
[PlyCount "118"]
[EventDate "1997.??.??"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 c6 8. Be2 b5 9. Qb3 Qa5 10. e5 Be6 11. Qc2 Bf5 12. Bd3 Bxd3 13. Qxd3 Nd5 14. 0-0 Nxc3 15. bxc3 Na6 16. Ng5 Qd8 17. Qh3 h6 18. Ne4 Qc8 19. Qh4 g5 20. Qh5 Qf5 21. Qe2 f6 22. Ba3 Rae8 23. Ng3 Qc8 24. exf6 Rxf6 25. Rfe1 Nc7 26. Nh5 Re6 27. Qd3 Nd5 28. Bc5 a6 29. f3 Rf8 30. Re4 Rxe4 31. fxe4 Nf4 32. Nxf4 Rxf4 33. Re1 e6 34. Bd6 Rf7 35. c4 Qd8 36. c5 Qa5 37. Re2 Qb4 38. Rd2 a5 39. h3 a4 40. Kh2 Qa5 41. d5 exd5 42. exd5 Qa8 43. Qe4 cxd5 44. Qe6 Qc6 45. Rf2 Qd7 46. Qxd5 Be5+ 47. Kh1 Bxd6 48. c6 Qe7 49. Rxf7 Qxf7 50. Qxd6 Qc4 51. c7 b4 52. Qd8+ Kg7 53. c8Q Qf1+ 54. Kh2 Qf4+ 55. Kg1 Qe3+ 56. Kf1 Qf4+ 57. Ke2 Qe4+ 58. Kd1 Qb1+ 59. Qc1 Qxa2 1-0

[Event "GRE-chT"]
[Site "Athens"]
[Date "1997.??.??"]
[Round "4"]
[White "Porfiriadis, Sotirios"]
[Black "Theodorakis, Konstantinos"]
[Result "1-0"]
[ECO "E38"]
[WhiteElo "2315"]
[PlyCount "49"]
[EventDate "1997.??.??"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Bxc5 6. Nf3 Nc6 7. Bf4 Qb6 8. e3 a6 9. a3 Be7 10. b4 Nh5 11. c5 Nxb4 12. axb4 Qxb4 13. Bd6 Bxd6 14. cxd6 Qxd6 15. Bd3 Nf6 16. e4 Ng4 17. 0-0 Rb8 18. Rfe1 Ne5 19. Nxe5 Qxe5 20. Nd5 0-0 21. Nb6 h6 22. Rac1 g6 23. Qc7 Qxc7 24. Rxc7 d5 25. Rec1 1-0

[Event "GRE-chT"]
[Site "Athens"]
[Date "1997.??.??"]
[Round "5"]
[White "Tsomis, Dimitrios"]
[Black "Porfiriadis, Sotirios"]
[Result "0-1"]
[ECO "C85"]
[WhiteElo "2215"]
[BlackElo "2315"]
[PlyCount "82"]
[EventDate "1997.??.??"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Bxc6 dxc6 7. Qe1 Nd7 8. b3 0-0 9. Bb2 Bf6 10. a4 Re8 11. Na3 Nf8 12. Nc4 Ng6 13. d3 Bg4 14. Nfd2 b6 15. f3 Bd7 16. g3 Bh3 17. Rf2 h5 18. Ne3 b5 19. Ndf1 Be7 20. f4 Bc5 21. f5 Nf8 22. Kh1 Nh7 23. Rd2 Qf6 24. Qe2 g6 25. Rdd1 Rad8 26. axb5 axb5 27. Ra6 Bb6 28. Rda1 Qd6 29. Bc3 Nf6 30. fxg6 fxg6 31. b4 Rf8 32. Ng2 Ng4 33. Rxb6 Rf2 34. Qxf2 Nxf2+ 35. Kg1 cxb6 36. Kxf2 Rf8+ 37. Kg1 Qf6 38. Nf4 Bxf1 39. Rxf1 Qg5 40. Bd2 exf4 41. Bxf4 Qg4 0-1

[Event "EU-Cup 12th Group1"]
[Site "Kranevo"]
[Date "1996.10.12"]
[Round "2"]
[White "Porfiriadis, Sotirios"]
[Black "Huber, Wolfgang"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2315"]
[BlackElo "2220"]
[PlyCount "71"]
[EventDate "1996.10.13"]
[EventType "team-k.o."]
[EventRounds "3"]
[EventCountry "BUL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Heraklion"]
[BlackTeam "Salzburg Inter"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "AUT"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Bxc5 6. Nf3 0-0 7. Bf4 d5 8. e3 Qe7 9. a3 dxc4 10. Bxc4 a6 11. Bd3 Nc6 12. Bg5 h6 13. Bh4 Qc7 14. 0-0 Be7 15. Rac1 Qa5 16. Ne4 Nxe4 17. Bxe7 Nxe7 18. Bxe4 Nd5 19. Nd2 Bd7 20. Nb3 Qb6 21. Bxd5 exd5 22. Nc5 Bc6 23. Rfd1 Rfe8 24. Qd2 Re7 25. Qd4 Qa7 26. Rc3 Qb8 27. Nd3 Re4 28. Qb6 Qe8 29. h3 d4 30. exd4 Rd8 31. Rc4 Re6 32. Qb4 Rg6 33. Nf4 Qe4 34. d5 Qf3 35. Rcd4 Rg5 36. dxc6 1-0

[Event "EU-Cup 12th Group1"]
[Site "Kranevo"]
[Date "1996.10.11"]
[Round "1"]
[White "Gruenfeld, Yehuda"]
[Black "Porfiriadis, Sotirios"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2510"]
[BlackElo "2315"]
[PlyCount "65"]
[EventDate "1996.10.13"]
[EventType "team-k.o."]
[EventRounds "3"]
[EventCountry "BUL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Petah Tikva Elitzur"]
[BlackTeam "Heraklion"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "GRE"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 0-0 12. Nc2 Rb8 13. Be2 Bg5 14. Qd3 f5 15. Bf3 g6 16. 0-0 Kh8 17. Rad1 Ne7 18. Ncb4 Nxd5 19. Nxd5 Bb7 20. Qe2 Rc8 21. Rd3 Rc5 22. Rfd1 Rf7 23. Nb4 Be7 24. exf5 e4 25. Bxe4 Re5 26. Re3 Bxe4 27. Rxe4 Rxe4 28. Qxe4 Rxf5 29. Nd5 Bf8 30. f4 Qd7 31. g3 Bg7 32. Kg2 h5 33. Ne7 1-0

[Event "GRE-ch95"]
[Site "Greece"]
[Date "1996.??.??"]
[Round "5"]
[White "Botsari, Anna Maria"]
[Black "Porfiriadis, Sotirios"]
[Result "1-0"]
[ECO "E21"]
[WhiteElo "2325"]
[BlackElo "2320"]
[PlyCount "79"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "5"]
[SourceTitle "CBM 051 Extra"]
[Source "ChessBase"]
[SourceDate "1996.05.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.05.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 f5 8. e3 b6 9. Bd3 Bb7 10. Nf3 d6 11. b3 Nd7 12. Bb2 Qe7 13. 0-0-0 c5 14. Rhg1 cxd4 15. exd4 b5 16. Kb1 bxc4 17. bxc4 Rab8 18. Ka2 Nb6 19. Rb1 Rfc8 20. Ba1 Rc7 21. g4 Rbc8 22. gxf5 Rxc4 23. Bxc4 Rxc4 24. Qd3 Bd5 25. Rb3 Qc7 26. Bb2 exf5 27. Ka1 Na4 28. Rb1 h6 29. Ne1 Nxb2 30. R3xb2 Rc3 31. Rc2 Rxd3 32. Rxc7 Rxa3+ 33. Kb2 Ra2+ 34. Kc1 Nxf2 35. Rc2 Ra4 36. Rxf2 Be4 37. Rb8+ Kh7 38. Nc2 Rc4 39. Rb4 Rc3 40. Kb2 1-0

[Event "GRE-chT"]
[Site "Athens"]
[Date "1996.??.??"]
[Round "9"]
[White "Drakopoulos, Anastasios"]
[Black "Porfiriadis, Sotirios"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2120"]
[BlackElo "2315"]
[PlyCount "78"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 055 Extra"]
[Source "ChessBase"]
[SourceDate "1997.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.01.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 a6 5. c5 g6 6. Bf4 Bg7 7. h3 0-0 8. e3 Nbd7 9. Be2 Ne8 10. 0-0 Nc7 11. Rc1 Re8 12. Bg5 Bf6 13. Bxf6 exf6 14. b4 f5 15. Re1 Ne6 16. Bf1 Nf6 17. Na4 Ne4 18. Nb6 Rb8 19. a4 f4 20. b5 axb5 21. axb5 fxe3 22. Rxe3 N6g5 23. Qe2 Be6 24. bxc6 bxc6 25. Ne5 Qc7 26. Ra1 f6 27. Nf3 Nf7 28. Nd2 f5 29. f3 Neg5 30. Qe1 f4 31. Re2 Nd8 32. Qh4 Ngf7 33. Qf6 g5 34. Rae1 Rb7 35. Rxe6 Rxe6 36. Rxe6 Nxe6 37. Qxe6 Qe7 38. Qxc6 Qe3+ 39. Kh1 Ra7 1-0

[Event "GRE-ch95"]
[Site "Greece"]
[Date "1996.??.??"]
[Round "3"]
[White "Grivas, Efstratios"]
[Black "Porfiriadis, Sotirios"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2475"]
[BlackElo "2320"]
[PlyCount "79"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "5"]
[SourceTitle "CBM 051 Extra"]
[Source "ChessBase"]
[SourceDate "1996.05.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.05.01"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 Bf5 5. g3 e6 6. Bg2 h6 7. 0-0 Nbd7 8. d3 Be7 9. Nbd2 0-0 10. a3 a5 11. Qc2 Bh7 12. Rfc1 Qb6 13. Qd1 Rfe8 14. Bc3 c5 15. cxd5 exd5 16. a4 Qe6 17. d4 b6 18. e3 Ne4 19. Nxe4 Bxe4 20. Ra2 Nf6 21. Rd2 c4 22. Ra2 Rac8 23. Nd2 Bxg2 24. Kxg2 h5 25. bxc4 dxc4 26. Rac2 h4 27. Bb2 h3+ 28. Kg1 Qc6 29. Qf1 Qxa4 30. Qxh3 b5 31. Qf5 Bb4 32. Nb1 Ne4 33. Kg2 g6 34. Qf3 c3 35. Bxc3 Bxc3 36. Nxc3 Nxc3 37. Rxc3 Rxc3 38. Rxc3 b4 39. Rc7 Rf8 40. Qd5 1-0

[Event "GRE-chT"]
[Site "Athens"]
[Date "1996.??.??"]
[Round "7"]
[White "Ignatiadis, Konstantinos"]
[Black "Porfiriadis, Sotirios"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2140"]
[BlackElo "2315"]
[PlyCount "80"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 055 Extra"]
[Source "ChessBase"]
[SourceDate "1997.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.01.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Bd7 5. Nc3 g6 6. d3 Bg7 7. Be3 a6 8. Bxc6 Bxc6 9. Qd2 e5 10. Ne1 Ne7 11. f4 exf4 12. Bxf4 0-0 13. Nf3 b5 14. Bh6 b4 15. Bxg7 Kxg7 16. Ne2 Qb6 17. Kh1 d5 18. Ng3 h6 19. Qf4 dxe4 20. dxe4 Qb8 21. Qe3 Bb5 22. Rfe1 Qc7 23. c3 a5 24. Rac1 Rac8 25. cxb4 axb4 26. a3 bxa3 27. Qxa3 Rfd8 28. Qc3+ Kg8 29. Qf6 Qd6 30. Qh4 Kg7 31. e5 Qe6 32. Qf6+ Kg8 33. Qxe6 fxe6 34. Ne4 Bc6 35. Nd6 Rb8 36. Re2 Nf5 37. Rd2 Bxf3 38. gxf3 Nxd6 39. Rxd6 Rxd6 40. exd6 Rd8 1/2-1/2

[Event "GRE-ch95"]
[Site "Greece"]
[Date "1996.??.??"]
[Round "7"]
[White "Nikolaidis, Ioannis"]
[Black "Porfiriadis, Sotirios"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2530"]
[BlackElo "2320"]
[PlyCount "67"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "5"]
[SourceTitle "CBM 051 Extra"]
[Source "ChessBase"]
[SourceDate "1996.05.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.05.01"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. 0-0 Nd7 5. d3 Ngf6 6. Qe1 e5 7. e4 dxe4 8. dxe4 Bc5 9. Nbd2 0-0 10. Nc4 Re8 11. Ne3 Bh5 12. Nh4 Bf8 13. Kh1 Nc5 14. f3 Nfd7 15. b3 a5 16. a3 f6 17. Nhf5 Qc7 18. Ng4 Kh8 19. Bb2 b5 20. Rd1 Nb6 21. Nfe3 Ne6 22. f4 exf4 23. gxf4 Bc5 24. Qh4 Bxe3 25. Qxh5 Bxf4 26. e5 f5 27. Qxf5 Qe7 28. Rxf4 Nxf4 29. Qxf4 Rf8 30. Qg3 Rad8 31. Re1 Nd5 32. e6 b4 33. axb4 axb4 34. Nh6 1-0

[Event "GRE-ch95"]
[Site "Greece"]
[Date "1996.??.??"]
[Round "1"]
[White "Pandavos, Panayotis"]
[Black "Porfiriadis, Sotirios"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2375"]
[BlackElo "2320"]
[PlyCount "73"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "5"]
[SourceTitle "CBM 051 Extra"]
[Source "ChessBase"]
[SourceDate "1996.05.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.05.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. a4 a6 8. Na3 Be6 9. Bg5 Rc8 10. Nc4 Nd4 11. Bxf6 gxf6 12. Ne3 f5 13. exf5 Nxf5 14. Nxf5 Bxf5 15. Qf3 Qg5 16. Bd3 Bxd3 17. cxd3 Rc6 18. 0-0 Bg7 19. Qd5 Qf6 20. Qb3 Qe7 21. Nd5 Qd7 22. f4 0-0 23. f5 Kh8 24. f6 Bh6 25. Ne7 Rc5 26. Rf5 e4 27. dxe4 Rxf5 28. Nxf5 Bf4 29. Rd1 Be5 30. Kh1 Rg8 31. Nh6 Rf8 32. Rf1 b5 33. axb5 axb5 34. Qe3 Qe6 35. Qg5 Bxf6 36. Qxf6+ Qxf6 37. Rxf6 1-0

[Event "GRE-chT"]
[Site "Athens"]
[Date "1996.??.??"]
[Round "6"]
[White "Porfiriadis, Sotirios"]
[Black "Dedes, Nikolaos"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2315"]
[BlackElo "2230"]
[PlyCount "79"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 055 Extra"]
[Source "ChessBase"]
[SourceDate "1997.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.01.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 c5 7. d5 e6 8. Qd2 h6 9. Be3 exd5 10. cxd5 Nbd7 11. Nh3 a6 12. a4 Kh7 13. Be2 Rb8 14. 0-0 Qe7 15. Nf2 b6 16. Kh1 Re8 17. Rae1 Nh5 18. g4 Nhf6 19. Bf4 Ne5 20. Bg3 g5 21. Ncd1 b5 22. axb5 axb5 23. Ne3 Qb7 24. h4 Qe7 25. hxg5 hxg5 26. Kg2 Kg8 27. Rh1 c4 28. Nc2 Nfd7 29. Rh5 Ng6 30. Nd4 Nde5 31. Rxg5 b4 32. Rh5 c3 33. bxc3 bxc3 34. Qe3 Rb2 35. Nf5 Bxf5 36. gxf5 Nf8 37. Bh4 Qc7 38. f6 Nfg6 39. fxg7 Nc4 40. Qh6 1-0

[Event "GRE-chT"]
[Site "Athens"]
[Date "1996.??.??"]
[Round "2"]
[White "Porfiriadis, Sotirios"]
[Black "Doutsoulis, P."]
[Result "1/2-1/2"]
[ECO "A44"]
[WhiteElo "2315"]
[PlyCount "41"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 055 Extra"]
[Source "ChessBase"]
[SourceDate "1997.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.01.01"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. e4 d6 4. Nc3 Be7 5. Bb5+ Nd7 6. a4 Bg5 7. Nf3 Bxc1 8. Qxc1 Ngf6 9. Nd2 0-0 10. 0-0 a6 11. Be2 b6 12. g3 Ne8 13. f4 exf4 14. gxf4 Rb8 15. Qe1 f5 16. exf5 Ndf6 17. Bd3 Nc7 18. Nde4 Nxe4 19. Bxe4 Bxf5 20. Qd2 Qf6 21. Rae1 1/2-1/2

[Event "GRE-chT"]
[Site "Athens"]
[Date "1996.??.??"]
[Round "3"]
[White "Porfiriadis, Sotirios"]
[Black "Gimnopoulos, Lazaros"]
[Result "1/2-1/2"]
[ECO "A65"]
[WhiteElo "2315"]
[BlackElo "2160"]
[PlyCount "82"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 055 Extra"]
[Source "ChessBase"]
[SourceDate "1997.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.01.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f3 Bg7 8. Bg5 a6 9. a4 h6 10. Be3 0-0 11. Qd2 Kh7 12. Nge2 Nbd7 13. Ng3 Rb8 14. Be2 Ne5 15. h3 b5 16. axb5 axb5 17. Nxb5 c4 18. Nd4 Nfd7 19. 0-0 Nc5 20. Rab1 Nb3 21. Nxb3 Rxb3 22. f4 Nd3 23. Bxd3 Rxd3 24. Qf2 f5 25. Rbd1 fxe4 26. Nxe4 Re8 27. Rxd3 cxd3 28. Nc3 Qa5 29. Bd4 Re2 30. Bb6 Rxf2 31. Bxa5 Rxb2 32. Ne4 Bb7 33. Bc3 Bxc3 34. Nxc3 Rc2 35. Rb1 Ba6 36. Ne4 Bc4 37. Rd1 Kg7 38. Nxd6 Bxd5 39. Rxd3 Rxg2+ 40. Kf1 Bc6 41. Rc3 Bd5 1/2-1/2

[Event "GRE-ch95"]
[Site "Greece"]
[Date "1996.??.??"]
[Round "2"]
[White "Porfiriadis, Sotirios"]
[Black "Haritakis, Theodoros"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2320"]
[BlackElo "2345"]
[PlyCount "79"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "5"]
[SourceTitle "CBM 051 Extra"]
[Source "ChessBase"]
[SourceDate "1996.05.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.05.01"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. dxc5 Bxc5 10. Bg5 d4 11. Bxf6 Qxf6 12. Nd5 Qd8 13. Ne1 Re8 14. Nd3 Bf8 15. Re1 Bf5 16. Rc1 Be4 17. N5f4 Bxg2 18. Nxg2 Qd5 19. a3 Re4 20. Ngf4 Qd7 21. Nc5 Bxc5 22. Rxc5 Rae8 23. Qd3 Qe7 24. Rf5 Re5 25. h4 Qd7 26. Rxe5 Nxe5 27. Qd2 h6 28. Rd1 a6 29. Qb4 Nc6 30. Qb6 Re5 31. Qb3 Rb5 32. Qc2 Qe7 33. b4 Re5 34. Rd2 a5 35. Nd3 Rh5 36. Qc4 axb4 37. axb4 g5 38. Qd5 Qe6 39. Qc5 b6 40. Qb5 1-0

[Event "GRE-ch95"]
[Site "Greece"]
[Date "1996.??.??"]
[Round "6"]
[White "Porfiriadis, Sotirios"]
[Black "Karagiannis, Athanasios"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "2320"]
[BlackElo "2375"]
[PlyCount "138"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "5"]
[SourceTitle "CBM 051 Extra"]
[Source "ChessBase"]
[SourceDate "1996.05.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.05.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2 Nbd7 6. Bd3 Bd6 7. 0-0 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bc2 h6 12. Bd2 b5 13. c5 Bc7 14. Qe2 Qd5 15. Rfe1 Rd8 16. a3 Bd7 17. Rad1 Qh5 18. h3 Be8 19. Qf1 Qd5 20. Bc1 Qd7 21. Ne5 Qe7 22. f4 Nd5 23. f5 f6 24. Ng6 Bxg6 25. fxg6 Re8 26. Qf3 Rad8 27. b4 Bb8 28. Re2 Qc7 29. Rde1 Qg3 30. Be4 a6 31. Bd2 Qxf3 32. gxf3 Kf8 33. Kf2 e5 34. Bxd5 Rxd5 35. Bc3 f5 36. dxe5 Re6 37. f4 Rxg6 38. Rd2 Rxd2+ 39. Bxd2 Ke7 40. Rd1 Re6 41. Kf3 Ke8 42. Bc3 Re7 43. Ke3 Bc7 44. a4 Kf7 45. h4 g6 46. Rd6 Bxd6 47. cxd6 Rb7 48. a5 Ke6 49. Kd4 g5 50. fxg5 hxg5 51. hxg5 Rh7 52. Kc5 Rh4 53. Bd4 Kd7 54. g6 Rg4 55. g7 Ke6 56. Kxc6 Rxg7 57. Kb6 Kd5 58. e6 Rg6 59. Bc5 Kxe6 60. Kxa6 f4 61. Kxb5 f3 62. a6 Rg5 63. Kb6 Rxc5 64. bxc5 f2 65. a7 f1Q 66. a8Q Qb1+ 67. Ka7 Qa1+ 68. Kb8 Qh8+ 69. Kb7 Qb2+ 1/2-1/2

[Event "GRE-ch95"]
[Site "Greece"]
[Date "1996.??.??"]
[Round "4"]
[White "Porfiriadis, Sotirios"]
[Black "Karanikolas, Konstantinos"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2320"]
[BlackElo "2300"]
[PlyCount "89"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "5"]
[SourceTitle "CBM 051 Extra"]
[Source "ChessBase"]
[SourceDate "1996.05.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.05.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bf4 c6 6. e3 0-0 7. h3 Nbd7 8. a3 a6 9. c5 Ne4 10. Bd3 f5 11. g4 b6 12. gxf5 exf5 13. cxb6 Qxb6 14. Qc2 Bd6 15. Bxe4 fxe4 16. Bxd6 Rxf3 17. 0-0-0 Nf6 18. Rdg1 a5 19. Rh2 Bxh3 20. Rgh1 Bf5 21. Rg2 h5 22. Ne2 Qb5 23. a4 Qa6 24. b3 Ng4 25. Nf4 h4 26. Kb2 Kf7 27. Nh3 Kg8 28. Ng5 h3 29. Rxh3 Nxe3 30. fxe3 Bxh3 31. Rh2 Rd8 32. Nxf3 Rxd6 33. Rxh3 exf3 34. Qh7+ Kf7 35. Rxf3+ Rf6 36. Qh5+ Ke7 37. Qe5+ Kd7 38. Rxf6 gxf6 39. Qxf6 Qe2+ 40. Ka3 Qxe3 41. Qf7+ Kd6 42. Qf6+ Kc7 43. Qf7+ Kb6 44. Qf6 Qc1+ 45. Ka2 1/2-1/2

[Event "GRE-chT"]
[Site "Athens"]
[Date "1996.??.??"]
[Round "5"]
[White "Porfiriadis, Sotirios"]
[Black "Metaxas, Petros"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2315"]
[BlackElo "2205"]
[PlyCount "55"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 055 Extra"]
[Source "ChessBase"]
[SourceDate "1997.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.01.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5 6. 0-0 Be7 7. Nbd2 d6 8. b3 Nc6 9. Bb2 0-0 10. Rc1 Qd7 11. Qe2 Rfe8 12. Rfd1 Qc7 13. Nf1 Bd8 14. Ng3 e5 15. dxe5 dxe5 16. Bb1 Be7 17. Qc2 Bf8 18. Nh5 e4 19. Bxf6 g6 20. Bb2 gxh5 21. Qc3 Ne5 22. Nxe5 Bg7 23. Rd7 Qxd7 24. Nxd7 Bxc3 25. Bxc3 Re7 26. Nf6+ Kf8 27. Nxh7+ Ke8 28. Nf6+ 1-0

[Event "GRE-ch95"]
[Site "Greece"]
[Date "1996.??.??"]
[Round "8"]
[White "Porfiriadis, Sotirios"]
[Black "Sirigos, Nikolaos"]
[Result "1/2-1/2"]
[ECO "E80"]
[WhiteElo "2320"]
[BlackElo "2285"]
[PlyCount "124"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "5"]
[SourceTitle "CBM 051 Extra"]
[Source "ChessBase"]
[SourceDate "1996.05.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.05.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 a6 6. Be3 Nfd7 7. Qd2 c5 8. d5 b5 9. cxb5 Qa5 10. a4 0-0 11. Ra3 Qb4 12. Na2 Qxd2+ 13. Kxd2 f5 14. exf5 Bb7 15. fxg6 Bxd5 16. gxh7+ Kh8 17. Nc3 Bf7 18. Nh3 d5 19. Bg5 Nf6 20. Nf2 c4 21. f4 Nbd7 22. g3 e5 23. fxe5 Nxe5 24. Bg2 d4 25. Ncd1 c3+ 26. Kc1 c2 27. Bxa8 cxd1Q+ 28. Rxd1 Rxa8 29. Rxd4 axb5 30. axb5 Rb8 31. Rd6 Nfd7 32. Ra7 Be8 33. Nd3 Nf7 34. Rdxd7 Bxd7 35. Rxd7 Nxg5 36. Rd5 Nf3 37. h4 Kxh7 38. Nb4 Nd4 39. Nc6 Rc8 40. Kd2 Nxc6 41. bxc6 Rxc6 42. b3 Rg6 43. Rh5+ Bh6+ 44. Kc3 Rxg3+ 45. Kc4 Rg4+ 46. Kb5 Kg6 47. Rc5 Rxh4 48. b4 Kf7 49. Rc4 Rh1 50. Kc6 Bg7 51. Re4 Rc1+ 52. Kb6 Bf8 53. b5 Bc5+ 54. Kc6 Be7+ 55. Kd7 Rd1+ 56. Kc8 Ke8 57. Kb7 Kd7 58. Rc4 Bd6 59. Rc2 Rb1 60. b6 Rb4 61. Rc1 Be5 62. Rc2 Bd6 1/2-1/2

[Event "GRE-ch95"]
[Site "Greece"]
[Date "1996.??.??"]
[Round "9"]
[White "Vragoteris, Antonios"]
[Black "Porfiriadis, Sotirios"]
[Result "1/2-1/2"]
[ECO "E74"]
[WhiteElo "2330"]
[BlackElo "2320"]
[PlyCount "18"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "5"]
[SourceTitle "CBM 051 Extra"]
[Source "ChessBase"]
[SourceDate "1996.05.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.05.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 Nbd7 7. Qd2 c5 8. d5 a6 9. h4 h5 1/2-1/2

[Event "Heraklion schev"]
[Site "Heraklion"]
[Date "1994.??.??"]
[Round "6"]
[White "Georgiev, Krum"]
[Black "Porfiriadis, Sotirios"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2465"]
[BlackElo "2325"]
[PlyCount "67"]
[EventDate "1994.??.??"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Nc6 5. c3 a5 6. e5 Nd7 7. d4 f6 8. Bb5 fxe5 9. dxe5 Be7 10. 0-0 0-0 11. Re1 Nc5 12. Nd4 Bd7 13. Bf1 Qe8 14. N2f3 Qh5 15. Nxc6 Bxc6 16. Nd4 Qf7 17. Be3 Bd7 18. Be2 Na4 19. Qb3 Nb6 20. a4 Bc5 21. Kh1 Qe7 22. Bd3 Rf7 23. Qc2 g6 24. b3 Be8 25. Qd2 Nd7 26. Bf4 Nf8 27. Nf3 Bxf2 28. Rf1 Bb6 29. Bh6 d4 30. cxd4 Qb4 31. Qe3 c5 32. Ng5 cxd4 33. Qh3 Rxf1+ 34. Rxf1 1-0

[Event "Heraklion schev"]
[Site "Heraklion"]
[Date "1994.??.??"]
[Round "4"]
[White "Grivas, Efstratios"]
[Black "Porfiriadis, Sotirios"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2475"]
[BlackElo "2325"]
[PlyCount "81"]
[EventDate "1994.??.??"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. a4 e6 6. e3 c5 7. cxd5 exd5 8. Be2 Nc6 9. 0-0 Bd6 10. b3 0-0 11. dxc5 Bxc5 12. Ba3 Bxa3 13. Rxa3 Bg4 14. h3 Bh5 15. Nd4 Bxe2 16. Ndxe2 Qd6 17. Ra2 Rfd8 18. Rd2 Qc5 19. Qc2 d4 20. exd4 Nxd4 21. Nxd4 Rxd4 22. Ne4 Qxc2 23. Nxf6+ gxf6 24. Rxc2 Rb4 25. Rc3 a5 26. Rd1 b5 27. axb5 Rxb5 28. Rd6 f5 29. Rg3+ Kf8 30. Rh6 Rab8 31. Rxh7 Rxb3 32. Rg5 R3b5 33. Rxf5 Rxf5 34. Rh8+ Ke7 35. Rxb8 Kd6 36. g4 Re5 37. Kg2 Kc5 38. h4 Re6 39. Ra8 Kb5 40. h5 a4 41. g5 1-0

[Event "Heraklion schev"]
[Site "Heraklion"]
[Date "1994.??.??"]
[Round "8"]
[White "Inkiov, Ventzislav"]
[Black "Porfiriadis, Sotirios"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "2475"]
[BlackElo "2325"]
[PlyCount "89"]
[EventDate "1994.??.??"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. b3 d6 7. Bb2 Ng4 8. Nbd2 Nc6 9. Nc4 Qe8 10. d5 Bxb2 11. Nxb2 Nd8 12. Nd4 g5 13. e3 Qg6 14. Nd3 Qg7 15. c4 Nf7 16. h3 Nf6 17. c5 f4 18. cxd6 cxd6 19. Ne6 Bxe6 20. dxe6 Ne5 21. exf4 Nxd3 22. fxg5 Nxf2 23. gxf6 Nxd1 24. fxg7 Rxf1+ 25. Bxf1 Ne3 26. Re1 Nf5 27. Bg2 Kxg7 28. g4 Nd4 29. Bxb7 Rb8 30. Bd5 Rb5 31. Bc4 Ra5 32. Rf1 Rxa2 33. Rf7+ Kg8 34. Rxe7 Nf3+ 35. Kf1 Nh2+ 36. Ke1 Nf3+ 37. Kd1 d5 38. Re8+ Kg7 39. e7 Kf7 40. Rd8 Rd2+ 41. Kc1 Kxe7 42. Rxd5 Rxd5 43. Bxd5 Ng1 44. h4 h6 45. Kd2 1-0

[Event "Heraklion schev"]
[Site "Heraklion"]
[Date "1994.??.??"]
[Round "1"]
[White "Porfiriadis, Sotirios"]
[Black "Georgiev, Krum"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "2325"]
[BlackElo "2465"]
[PlyCount "43"]
[EventDate "1994.??.??"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 a6 7. Qd2 Nbd7 8. Nh3 c5 9. d5 Qa5 10. a4 Re8 11. Be2 b5 12. cxb5 Nb6 13. Nf2 Nfd7 14. Nfd1 c4 15. 0-0 Nc5 16. Ra3 Nb3 17. Qe1 Qb4 18. Be3 Nd7 19. b6 Nd4 20. Qd2 Nb3 21. Qe1 Nd4 22. Qd2 1/2-1/2

[Event "Heraklion schev"]
[Site "Heraklion"]
[Date "1994.??.??"]
[Round "9"]
[White "Porfiriadis, Sotirios"]
[Black "Grivas, Efstratios"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2325"]
[BlackElo "2475"]
[PlyCount "79"]
[EventDate "1994.??.??"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. Re1 a6 6. Bxc6 Nxc6 7. c3 d5 8. exd5 Qxd5 9. d4 Be7 10. dxc5 Qxd1 11. Rxd1 Bxc5 12. Nbd2 e5 13. Ne4 Be7 14. h3 Bf5 15. Nd6+ Bxd6 16. Rxd6 Ke7 17. Rd1 Bc2 18. Re1 f6 19. Be3 Rhd8 20. Bb6 Rd5 21. Rac1 Bd3 22. Rcd1 Bc4 23. b3 Rxd1 24. Rxd1 Be2 25. Rd2 Bxf3 26. gxf3 Rc8 27. c4 Nb8 28. Ba5 Nc6 29. Bb6 Ke6 30. Kf1 Ne7 31. a4 g5 32. Ke2 h5 33. Rd3 Nf5 34. Rd2 Rc6 35. Be3 Rd6 36. b4 Nxe3 37. Rxd6+ Kxd6 38. fxe3 a5 39. b5 f5 40. Kd3 0-1

[Event "Heraklion schev"]
[Site "Heraklion"]
[Date "1994.??.??"]
[Round "3"]
[White "Porfiriadis, Sotirios"]
[Black "Inkiov, Ventzislav"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2325"]
[BlackElo "2475"]
[PlyCount "97"]
[EventDate "1994.??.??"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 Bb7 8. f3 h6 9. Bh4 d5 10. e3 Nbd7 11. cxd5 exd5 12. Bd3 c5 13. Ne2 Re8 14. 0-0 Qe7 15. Bf2 Rac8 16. Qd2 Nh5 17. Rad1 Nf8 18. Rfe1 Ne6 19. b4 a5 20. bxc5 bxc5 21. dxc5 Qxc5 22. Qb2 Qa7 23. Bb5 Red8 24. Nd4 Nxd4 25. Rxd4 Ba6 26. Bxa6 Qxa6 27. Red1 Nf6 28. e4 Rc4 29. R4d2 Qa8 30. Bh4 Qa7+ 31. Bf2 Qa8 32. Bh4 Qa7+ 33. Bf2 Qa8 34. e5 Nh5 35. Qb5 Rcc8 36. Bb6 Re8 37. Rxd5 Nf4 38. R5d2 Qb8 39. Qxa5 Rxe5 40. Rd8+ Re8 41. Rxc8 Rxc8 42. Be3 Qb3 43. Re1 Nd3 44. Rf1 Rc2 45. Qa8+ Kh7 46. Qe4+ Kg8 47. Qe8+ Kh7 48. Qe4+ Kg8 49. Qe8+ 1/2-1/2

[Event "Heraklion schev"]
[Site "Heraklion"]
[Date "1994.??.??"]
[Round "5"]
[White "Porfiriadis, Sotirios"]
[Black "Rajkovic, Dusan"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2325"]
[BlackElo "2505"]
[PlyCount "80"]
[EventDate "1994.??.??"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 c5 8. dxc5 bxc5 9. e3 a5 10. Bd3 a4 11. Ne2 Bb7 12. 0-0 d6 13. Rad1 Nbd7 14. f3 Ra6 15. Qc2 h6 16. Bh4 Qa8 17. Nc3 Rc8 18. Qe2 Ne8 19. Bg3 Ndf6 20. h3 Bc6 21. Rd2 Rb6 22. e4 Nh5 23. Bh2 e5 24. g3 Nhf6 25. f4 Qb7 26. g4 exf4 27. Bxf4 Qe7 28. Qg2 g5 29. Bh2 Rb3 30. Re2 Qe6 31. Qf2 Rd8 32. e5 dxe5 33. Rxe5 Nxg4 34. Rxe6 Nxf2 35. Rxc6 Nxd3 36. Rxh6 Kg7 37. Rh5 f6 38. h4 g4 39. Nd5 Rxb2 40. Rhf5 Rc2 1/2-1/2

[Event "Heraklion schev"]
[Site "Heraklion"]
[Date "1994.??.??"]
[Round "7"]
[White "Porfiriadis, Sotirios"]
[Black "Zysk, Robert"]
[Result "0-1"]
[ECO "C08"]
[WhiteElo "2325"]
[BlackElo "2445"]
[PlyCount "102"]
[EventDate "1994.??.??"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. 0-0 Be7 9. Re1 0-0 10. Nf1 Re8 11. dxc5 Nxc5 12. Be3 a6 13. c3 Rc8 14. Qc2 Qa5 15. a4 Ne6 16. Bd4 Nxd4 17. Nxd4 g6 18. Ne3 Bd6 19. Rad1 Bf4 20. Nef5 Qc7 21. g3 Be5 22. Ne3 Qd7 23. Kg2 Bb8 24. Qb3 Ba7 25. Rd3 Rcd8 26. Nf3 Kg7 27. Qd1 Re4 28. b3 Qc6 29. Kg1 Rde8 30. Nd4 Bxd4 31. cxd4 Ng4 32. Qd2 Qe6 33. Kg2 h5 34. h3 Nxe3+ 35. Rdxe3 h4 36. Rxe4 dxe4 37. d5 Qe5 38. d6 Rd8 39. Rd1 hxg3 40. fxg3 Qf6 41. Qd4 Qxd4 42. Rxd4 f5 43. Rb4 Rd7 44. g4 Kf6 45. gxf5 gxf5 46. h4 Ke5 47. h5 Rxd6 48. Rxb7 Kf4 49. Rg7 Rd2+ 50. Kg1 e3 51. h6 Rd1+ 0-1

[Event "Heraklion schev"]
[Site "Heraklion"]
[Date "1994.??.??"]
[Round "10"]
[White "Rajkovic, Dusan"]
[Black "Porfiriadis, Sotirios"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2505"]
[BlackElo "2325"]
[PlyCount "116"]
[EventDate "1994.??.??"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. c5 Bf5 6. Bf4 Nbd7 7. h3 g6 8. Qb3 Qc8 9. e3 Bg7 10. Be2 0-0 11. Na4 Be4 12. 0-0 Bxf3 13. Bxf3 Ne8 14. Rfd1 Nc7 15. e4 dxe4 16. Bxe4 e6 17. Bg3 Re8 18. Rac1 Nb5 19. Rc4 Qd8 20. Nc3 Nf6 21. Bf3 Nd5 22. Ne2 Qd7 23. a4 Nbc7 24. Nc1 a5 25. Nd3 f6 26. Rc2 Na6 27. Re2 Nab4 28. h4 Nxd3 29. Qxd3 Kf7 30. Qd2 Nb4 31. Bd6 Bf8 32. Bf4 Rad8 33. Be3 Kg8 34. Qc3 Qc7 35. g3 Nd5 36. Qc4 Nxe3 37. Rxe3 Qf7 38. Qc3 Qc7 39. Rde1 Kf7 40. Bd1 Bh6 41. R3e2 Re7 42. Bb3 Rde8 43. h5 f5 44. Qf3 Bg5 45. Kg2 Kf6 46. Re5 Qd7 47. Qc3 Kf7 48. g4 Kf8 49. gxf5 gxf5 50. Qc4 Bf6 51. Rxe6 Rxe6 52. Rxe6 Qxe6 53. Qxe6 Rxe6 54. Bxe6 Bxd4 55. Bxf5 h6 56. Bc8 Bxb2 57. Bxb7 Bd4 58. Bxc6 Bxc5 1/2-1/2

[Event "Heraklion schev"]
[Site "Heraklion"]
[Date "1994.??.??"]
[Round "2"]
[White "Zysk, Robert"]
[Black "Porfiriadis, Sotirios"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2445"]
[BlackElo "2325"]
[PlyCount "35"]
[EventDate "1994.??.??"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "GRE"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 b5 6. b3 Bg4 7. Be2 Nbd7 8. 0-0 e6 9. Ne5 Bxe2 10. Qxe2 Nxe5 11. dxe5 Nd7 12. f4 Bb4 13. Bb2 0-0 14. cxd5 cxd5 15. Nd1 Rc8 16. a3 Be7 17. Nf2 f5 18. Bd4 1/2-1/2

[Event "Athens op"]
[Site "Athens"]
[Date "1993.??.??"]
[Round "9"]
[White "Georgiakakis, Ioannis"]
[Black "Porfiriadis, Sotirios"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2220"]
[BlackElo "2315"]
[PlyCount "65"]
[EventDate "1993.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 d6 7. Nc3 Qe8 8. e4 fxe4 9. Ng5 c6 10. Ngxe4 Nxe4 11. Nxe4 Qf7 12. d5 c5 13. Qe2 h6 14. Be3 Na6 15. Rae1 Bd7 16. f4 Rab8 17. Bc1 b5 18. b3 bxc4 19. bxc4 Bd4+ 20. Kh1 Qg7 21. g4 Rf7 22. Bh3 Kh8 23. Rf3 Rg8 24. Ref1 Rgf8 25. Qe1 Nc7 26. Qa5 Ne8 27. Qxa7 e5 28. Qa3 exf4 29. Bxf4 g5 30. Bxd6 Qg6 31. Bxf8 Qxe4 32. Bg2 Rxf3 33. Qxf3 1-0

[Event "Heraklio Summer"]
[Site "Heraklion"]
[Date "1993.??.??"]
[Round "9"]
[White "Ivanov, Jordan"]
[Black "Porfiriadis, Sotirios"]
[Result "0-1"]
[ECO "E64"]
[WhiteElo "2420"]
[BlackElo "2320"]
[PlyCount "60"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "4"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. d4 c5 7. d5 e5 8. Nc3 Ne8 9. e4 Bg4 10. Qc2 Bxf3 11. Bxf3 f5 12. exf5 gxf5 13. Be2 Nd7 14. f4 e4 15. Be3 Qe7 16. g4 Bd4 17. Qd2 Qg7 18. Rad1 Bxe3+ 19. Qxe3 fxg4 20. Qxe4 Ndf6 21. Qg2 h5 22. Bd3 h4 23. Rde1 Nh5 24. Re4 Nef6 25. Re6 h3 26. Qd2 g3 27. Ne4 Ng4 28. Nxg3 Qd4+ 29. Kh1 Rxf4 30. Rxf4 Nxf4 0-1

[Event "Heraklio Summer"]
[Site "Heraklion"]
[Date "1993.??.??"]
[Round "5"]
[White "Lirindzakis, Timotheos"]
[Black "Porfiriadis, Sotirios"]
[Result "1/2-1/2"]
[ECO "A39"]
[WhiteElo "2370"]
[BlackElo "2320"]
[PlyCount "22"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "4"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. 0-0 0-0 6. d4 cxd4 7. Nxd4 Nc6 8. Nc3 Nxd4 9. Qxd4 d6 10. Qd3 Bf5 11. e4 Be6 1/2-1/2

[Event "Heraklio Summer"]
[Site "Heraklion"]
[Date "1993.??.??"]
[Round "1"]
[White "Porfiriadis, Sotirios"]
[Black "Andrianov, Nikolai Ivanovich"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "2320"]
[BlackElo "2460"]
[PlyCount "23"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "4"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. Nc3 Bg7 6. Bd3 0-0 7. 0-0 Bg4 8. h3 Bxf3 9. Qxf3 e6 10. Rd1 Nbd7 11. b3 Re8 12. Bb2 1/2-1/2

[Event "Athens op"]
[Site "Athens"]
[Date "1993.??.??"]
[Round "4"]
[White "Porfiriadis, Sotirios"]
[Black "Ermenkov, Evgenij"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "2315"]
[BlackElo "2495"]
[PlyCount "78"]
[EventDate "1993.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 d6 6. Nc3 Nbd7 7. e4 Nxb6 8. a4 Rb8 9. Nf3 Nfd7 10. Be2 g6 11. 0-0 Bg7 12. Nd2 0-0 13. a5 Na8 14. Nc4 Nc7 15. Na4 Nb5 16. Nab6 Nxb6 17. Nxb6 Bd7 18. Rb1 Rxb6 19. axb6 Qxb6 20. Be3 Rb8 21. Bc4 a5 22. Bg5 Nd4 23. Re1 a4 24. f4 Qb4 25. Qd3 Kf8 26. f5 Be5 27. Bd2 Qb6 28. fxg6 hxg6 29. Rf1 Kg7 30. Bc3 Bb5 31. Bxb5 Qxb5 32. Qxb5 Rxb5 33. Kf2 Nb3 34. Bxe5+ dxe5 35. Rfd1 c4 36. d6 exd6 37. Rxd6 Nc5 38. Ke3 Rb3+ 39. Kd2 Nxe4+ 0-1

[Event "Heraklio Summer"]
[Site "Heraklion"]
[Date "1993.??.??"]
[Round "4"]
[White "Porfiriadis, Sotirios"]
[Black "Gratseas, Stefanos"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2320"]
[BlackElo "2240"]
[PlyCount "112"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "4"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6 5. d5 Nd4 6. Be3 c5 7. Nge2 Qb6 8. Qd2 Nf6 9. f3 Nxe2 10. Bxe2 Bd7 11. 0-0 0-0 12. Rab1 Qc7 13. Kh1 a6 14. a3 Rab8 15. b4 b6 16. g4 Ne8 17. h4 e5 18. Rb3 Qd8 19. Kg2 cxb4 20. Rxb4 f5 21. g5 f4 22. Bf2 h6 23. gxh6 Bxh6 24. Rg1 Nf6 25. Qb2 b5 26. cxb5 a5 27. Rb3 Nh5 28. Kf1 Ng3+ 29. Ke1 Qxh4 30. b6 g5 31. Nb5 g4 32. Nxd6 Qf6 33. Nc4 Bg7 34. b7 Nxe2 35. Qxe2 g3 36. Bc5 Rf7 37. Bd6 Ba4 38. Rb6 Rbxb7 39. Bxe5 Rxb6 40. Bxf6 Rb1+ 41. Kd2 Rxg1 42. e5 g2 43. Nb2 Rd1+ 44. Nxd1 g1Q 45. Nf2 Bb5 46. Qxb5 Qxf2+ 47. Kd1 Qxf3+ 48. Ke1 Qxa3 49. Qe8+ Qf8 50. Qe6 Bxf6 51. exf6 Qb4+ 52. Kf1 Qb1+ 53. Kf2 Qb2+ 54. Kf1 Qxf6 55. Qg4+ Kf8 56. Qc8+ Kg7 0-1

[Event "Athens op"]
[Site "Athens"]
[Date "1993.??.??"]
[Round "8"]
[White "Porfiriadis, Sotirios"]
[Black "Makropoulou, Marina"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2315"]
[BlackElo "2270"]
[PlyCount "80"]
[EventDate "1993.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Bd3 e5 4. c3 Nc6 5. Ne2 g6 6. f3 Bg7 7. d5 Ne7 8. Bg5 h6 9. Be3 c5 10. Qd2 Nd7 11. 0-0 f5 12. f4 0-0 13. Ng3 exf4 14. Bxf4 Ne5 15. exf5 Nxd3 16. Qxd3 Nxf5 17. Nd2 g5 18. Be3 Nxg3 19. hxg3 Bg4 20. b4 b6 21. bxc5 bxc5 22. Nc4 Qe7 23. Bf2 Bf5 24. Qd2 Rae8 25. Rae1 Qd7 26. Ne3 Bg6 27. g4 Be5 28. Nc4 Bf4 29. Be3 Bg3 30. Rxf8+ Rxf8 31. Rf1 Rxf1+ 32. Kxf1 Qxg4 33. Na5 Qf5+ 34. Kg1 Qb1+ 35. Qc1 Qxa2 36. Nc6 Kh7 37. c4 a6 38. Qf1 Qb1 39. Bc1 Qf5 40. Qe2 Qe4 0-1

[Event "Heraklio Summer"]
[Site "Heraklion"]
[Date "1993.??.??"]
[Round "6"]
[White "Porfiriadis, Sotirios"]
[Black "Mastrokoukos, Georgios"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2320"]
[BlackElo "2320"]
[PlyCount "17"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "4"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 Qxb6 6. Nc3 g6 7. e4 d6 8. a4 Bg7 9. a5 1-0

[Event "Heraklio Summer"]
[Site "Heraklion"]
[Date "1993.??.??"]
[Round "8"]
[White "Porfiriadis, Sotirios"]
[Black "Petraki, Maria"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2320"]
[BlackElo "2045"]
[PlyCount "71"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "4"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Bxd2 Bb7 7. g3 d6 8. Bg2 Nbd7 9. 0-0 a5 10. b4 axb4 11. axb4 0-0 12. Qb3 Ne4 13. Be3 Qe7 14. Qb2 f5 15. Rxa8 Bxa8 16. Ne1 e5 17. Nd3 f4 18. gxf4 exf4 19. Bxf4 g5 20. Bc1 g4 21. d5 Ng5 22. Qd4 Nh3+ 23. Kh1 Qxe2 24. Bxh3 gxh3 25. Rg1+ Kf7 26. Qg7+ Ke8 27. Re1 Qxe1+ 28. Nxe1 Rxf2 29. Kg1 Rf7 30. Qh8+ Rf8 31. Qxh7 b5 32. Bh6 Rf7 33. Qh8+ Nf8 34. Bxf8 Rxf8 35. Qxh3 bxc4 36. Qc8+ 1-0

[Event "Heraklio Summer"]
[Site "Heraklion"]
[Date "1993.??.??"]
[Round "2"]
[White "Porfiriadis, Sotirios"]
[Black "Vragoteris, Antonios"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "2320"]
[BlackElo "2310"]
[PlyCount "112"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "4"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. f3 d6 6. e4 g6 7. bxa6 Bg7 8. Bb5+ Nfd7 9. Nc3 0-0 10. Nge2 Bxa6 11. 0-0 Bxb5 12. Nxb5 Qb6 13. Nec3 Na6 14. Be3 Rfb8 15. a4 Nc7 16. Qe2 Qa5 17. Bd2 Na6 18. b3 Nb4 19. Rab1 Nc2 20. Kh1 Qb6 21. f4 Rc8 22. Qd3 Nb4 23. Qh3 Qd8 24. e5 dxe5 25. f5 Nf6 26. fxg6 hxg6 27. d6 Nh7 28. Bh6 Bxh6 29. Qxh6 Qf8 30. Qe3 exd6 31. Rbd1 Nc2 32. Qe4 Nd4 33. Qd5 Ra6 34. Rd3 Kg7 35. Ne4 Rcc6 36. Rh3 f5 37. g4 Qg8 38. Rxh7+ Qxh7 39. gxf5 Qh3 40. f6+ Kf8 41. Ng3 Qe6 42. Qe4 Qf7 43. Qh4 Qd5+ 44. Ne4 Nf5 45. Rxf5 gxf5 46. Qh6+ Ke8 47. Qg6+ Qf7 48. Qxf5 Qxb3 49. Nexd6+ Rxd6 50. Qxe5+ Re6 51. Qb8+ Kf7 52. Nd6+ Raxd6 53. Qxb3 Rc6 54. Qc4 Kxf6 55. a5 Kg6 56. h4 Kh5 1/2-1/2

[Event "Heraklio Summer"]
[Site "Heraklion"]
[Date "1993.??.??"]
[Round "3"]
[White "Semkov, Semko"]
[Black "Porfiriadis, Sotirios"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2465"]
[BlackElo "2320"]
[PlyCount "36"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "4"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Qf3 Bg6 8. Bxf6 Qxf6 9. Qxf6 gxf6 10. Kd2 Nd7 11. h4 h5 12. Bd3 Bd6 13. Nge2 Ke7 14. g3 a5 15. Nf4 Bxf4 16. gxf4 Bxd3 17. Kxd3 f5 18. Rhg1 Rag8 1/2-1/2

[Event "Athens op"]
[Site "Athens"]
[Date "1993.??.??"]
[Round "7"]
[White "Trivizas, Mihail"]
[Black "Porfiriadis, Sotirios"]
[Result "0-1"]
[ECO "D12"]
[BlackElo "2315"]
[PlyCount "50"]
[EventDate "1993.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Bf5 4. Nf3 Nf6 5. Nc3 e6 6. a3 Nbd7 7. h3 Ne4 8. Nxe4 Bxe4 9. Be2 Bd6 10. c5 Bc7 11. b4 0-0 12. 0-0 e5 13. dxe5 Nxe5 14. Bb2 f6 15. Nd4 Qe7 16. Rc1 a6 17. a4 Rfe8 18. Qb3 Kh8 19. b5 axb5 20. axb5 Nc4 21. Bxc4 dxc4 22. Qxc4 Bd5 23. Qd3 Ra2 24. Ba1 Qe5 25. f4 Rxg2+ 0-1

[Event "Heraklio Summer"]
[Site "Heraklion"]
[Date "1993.??.??"]
[Round "7"]
[White "Zahariev, Zahari"]
[Black "Porfiriadis, Sotirios"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2380"]
[BlackElo "2320"]
[PlyCount "92"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "4"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. b3 d6 4. Bb2 Nf6 5. Nc3 Bg4 6. Be2 e6 7. h3 Bxf3 8. Bxf3 Be7 9. 0-0 0-0 10. Re1 Rb8 11. d3 Nd4 12. Be2 Nd7 13. Bf1 Bf6 14. Rb1 b5 15. g3 Ne5 16. Bg2 Nec6 17. f4 b4 18. Ne2 Nxe2+ 19. Qxe2 Bxb2 20. Rxb2 Nd4 21. Qf2 f6 22. h4 Rb6 23. Qe3 e5 24. Rf1 Ra6 25. Kh2 Nb5 26. Bh3 Qe7 27. g4 exf4 28. Qxf4 Qe5 29. Qxe5 fxe5 30. Rxf8+ Kxf8 31. g5 Ke7 32. Bc8 Ra5 33. Bb7 Nc3 34. Bd5 Rxa2 35. Rxa2 Nxa2 36. Bg8 h6 37. gxh6 gxh6 38. Kg3 Kf6 39. Kg4 Kg6 40. Be6 Nc3 41. Bf5+ Kg7 42. Bd7 Ne2 43. Kf5 Nd4+ 44. Kg4 Nxc2 45. Bb5 a5 46. Bc4 Ne3+ 0-1

[Event "Heraklion op"]
[Site "Heraklion"]
[Date "1992.??.??"]
[Round "3"]
[White "Dimitriou, Georgios"]
[Black "Porfiriadis, Sotirios"]
[Result "1-0"]
[ECO "B31"]
[BlackElo "2335"]
[PlyCount "77"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. 0-0 Nf6 6. Re1 0-0 7. d4 cxd4 8. cxd4 d5 9. e5 Ne4 10. Nc3 Nxc3 11. bxc3 Na5 12. Bg5 a6 13. Bd3 Be6 14. Qd2 Rc8 15. h4 Nc4 16. Qf4 Nb2 17. Bb1 Rxc3 18. h5 Qd7 19. Qh4 Rfc8 20. hxg6 fxg6 21. Bh6 Rxf3 22. gxf3 Rf8 23. Kg2 Qe8 24. Bxg7 Kxg7 25. Rh1 h5 26. Qg5 Qf7 27. f4 Rh8 28. Bc2 Nc4 29. Rab1 b5 30. Rb3 Bg4 31. Rg3 e6 32. Bxg6 Qxg6 33. Rxg4 hxg4 34. Qxg6+ Kxg6 35. Rxh8 Kf5 36. Rh6 Kxf4 37. Rxe6 Ke4 38. Rxa6 Kxd4 39. e6 1-0

[Event "Heraklion op"]
[Site "Heraklion"]
[Date "1992.??.??"]
[Round "7"]
[White "Papandreou, Nikolaos"]
[Black "Porfiriadis, Sotirios"]
[Result "0-1"]
[ECO "B33"]
[BlackElo "2335"]
[PlyCount "74"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Bxf6 gxf6 10. Na3 b5 11. Nd5 Bg7 12. Bd3 Ne7 13. Nxe7 Qxe7 14. c4 f5 15. cxb5 d5 16. bxa6 0-0 17. 0-0 fxe4 18. Bb5 Be6 19. Rc1 f5 20. Qa4 f4 21. Bc6 f3 22. Bxa8 Qg5 23. g3 Qh5 24. h4 Qg4 25. Nc2 Qh3 26. Ne1 e3 27. Qb3 exf2+ 28. Rxf2 Qxg3+ 29. Ng2 e4 30. Qe3 Rxa8 31. a7 Be5 32. Kf1 Bh3 33. Rcc2 Kh8 34. Qb6 fxg2+ 35. Rxg2 Rf8+ 36. Rcf2 Qxg2+ 37. Ke2 Bg4+ 0-1

[Event "Heraklion op"]
[Site "Heraklion"]
[Date "1992.??.??"]
[Round "9"]
[White "Zygouris, Hristos"]
[Black "Porfiriadis, Sotirios"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2210"]
[BlackElo "2335"]
[PlyCount "120"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N1c3 a6 8. Na3 Be6 9. Be2 Bg5 10. Bxg5 Qxg5 11. 0-0 Nge7 12. f4 exf4 13. Qxd6 0-0 14. Qxf4 Qa5 15. Nd5 Ng6 16. Qf2 f5 17. exf5 Rxf5 18. Qg3 Nd4 19. Qe3 Nxe2+ 20. Qxe2 Qc5+ 21. Kh1 Bxd5 22. cxd5 Rxf1+ 23. Rxf1 Qxd5 24. Qc4 Qxc4 25. Nxc4 Rc8 26. Ne3 Re8 27. Re1 Nf4 28. Kg1 Nd3 29. Re2 Nc1 30. Rc2 Nxa2 31. Nd5 Rd8 32. Ne7+ Kf8 33. Nf5 g6 34. Ne3 Rd7 35. Rc4 b5 36. Rc8+ Ke7 37. Kf1 Kd6 38. Ke2 Rc7 39. Rf8 Kc5 40. h4 Rd7 41. g4 Nc1+ 42. Kf3 Nd3 43. Ra8 Rd6 44. Ra7 Nxb2 45. Rxh7 Nd3 46. h5 gxh5 47. gxh5 b4 48. h6 b3 49. Rb7 Nb4 50. Rc7+ Kb5 51. Rb7+ Kc5 52. Rc7+ Nc6 53. h7 Rd8 54. Nc4 Kxc4 55. Rxc6+ Kb5 56. Rh6 Rh8 57. Ke3 b2 58. Rh1 Kb4 59. Rh6 a5 60. Kd2 Ka3 0-1

[Event "GRE-chT"]
[Site "Athens"]
[Date "1987.??.??"]
[Round "?"]
[White "Porfiriadis, Sotirios"]
[Black "Gratseas, Stefanos"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "2330"]
[PlyCount "92"]
[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. Nf3 e6 3. c4 Bb4+ 4. Nbd2 b6 5. g3 Bb7 6. Bg2 0-0 7. 0-0 Bxd2 8. Qxd2 d6 9. b3 Nbd7 10. Bb2 Qe7 11. Ne1 Bxg2 12. Nxg2 Ne4 13. Qe3 f5 14. f3 Nef6 15. d5 e5 16. Nf4 Rfe8 17. Ne6 Nf8 18. Nxf8 Qxf8 19. Qg5 Nd7 20. Rae1 Qf6 21. Qd2 Re7 22. Qc2 Qg6 23. b4 a5 24. a3 f4 25. Qxg6 hxg6 26. Ra1 fxg3 27. hxg3 e4 28. Kf2 Ne5 29. Bxe5 Rxe5 30. Rae1 exf3 31. exf3 Rxe1 32. Rxe1 axb4 33. axb4 Kf7 34. Ke3 Re8+ 35. Kd2 Rxe1 36. Kxe1 Kf6 37. Ke2 Ke5 38. Ke3 b5 39. f4+ Kf5 40. cxb5 Kg4 41. Kf2 Kf5 42. Kf3 g5 43. fxg5 Kxg5 44. g4 Kh4 45. Kf4 g5+ 46. Kf3 Kh3 0-1

[Event "GRE-chT"]
[Site "Athens"]
[Date "1987.??.??"]
[Round "?"]
[White "Porfiriadis, Sotirios"]
[Black "Khatzithomas, Th"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2330"]
[PlyCount "45"]
[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. Nf3 f5 2. b3 d6 3. d4 Nf6 4. Bb2 c6 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. c4 Qe8 9. Qc2 h6 10. Nbd2 g5 11. e4 fxe4 12. Nxe4 Nxe4 13. Qxe4 Bf5 14. Qe2 e5 15. dxe5 Nd7 16. Rfe1 Bg4 17. h3 Bxf3 18. Bxf3 Nxe5 19. Bh5 Qd7 20. Rad1 Qf5 21. Rxd6 Nf3+ 22. Bxf3 Qxf3 23. Rg6 1-0

[Event "EU-Cup 06th round of 16"]
[Site "Solingen"]
[Date "1987.??.??"]
[Round "2.2"]
[White "Porfiriadis, Sotirios"]
[Black "Spassky, Boris Vasilievich"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "2335"]
[BlackElo "2570"]
[PlyCount "90"]
[EventDate "1987.??.??"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Thessaloniki Enosis"]
[BlackTeam "Solingen SG"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. g3 d6 6. Bg2 Nc6 7. 0-0 a6 8. b3 Rb8 9. Bb2 b5 10. d5 Na5 11. cxb5 axb5 12. Nd4 b4 13. Ncb5 Nxd5 14. Bxd5 Rxb5 15. Nxb5 Bxb2 16. Rb1 Bg7 17. a3 c6 18. axb4 cxd5 19. bxa5 Qxa5 20. Nd4 Qb6 21. Nf3 d4 22. b4 Bf5 23. Qa4 Bxb1 24. Rxb1 Qb7 25. Qb3 Qb5 26. Qd3 Rb8 27. Ne1 e5 28. Nc2 Qxd3 29. exd3 Kf8 30. b5 Ke8 31. Na3 d5 32. Kf1 Kd7 33. Ke2 Bf8 34. Nc2 Bd6 35. g4 f6 36. f4 g5 37. fxe5 fxe5 38. Ne1 h6 39. Nf3 Ra8 40. Rb2 Ra3 41. b6 e4 42. Nxd4 exd3+ 43. Kf1 Ra1+ 44. Kg2 Ra4 45. Nf5 Rxg4+ 0-1

[Event "EU-Cup 06th round of 16"]
[Site "Solingen"]
[Date "1987.??.??"]
[Round "2.1"]
[White "Spassky, Boris Vasilievich"]
[Black "Porfiriadis, Sotirios"]
[Result "1/2-1/2"]
[ECO "B25"]
[WhiteElo "2570"]
[BlackElo "2335"]
[PlyCount "61"]
[EventDate "1987.??.??"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Solingen SG"]
[BlackTeam "Thessaloniki Enosis"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GRE"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 e6 7. 0-0 Nge7 8. Bg5 0-0 9. Qd2 Nd4 10. Nxd4 cxd4 11. Ne2 Rb8 12. c3 dxc3 13. bxc3 b6 14. a4 Qd7 15. Bh6 Bb7 16. Bxg7 Kxg7 17. f4 f6 18. g4 e5 19. h3 d5 20. fxe5 fxe5 21. Qg5 Qe6 22. Ng3 dxe4 23. Bxe4 Bxe4 24. dxe4 h6 25. Nh5+ Kh7 26. Nf6+ Kg7 27. Nh5+ Kh7 28. Rf6 Rxf6 29. Nxf6+ Kg7 30. Nh5+ Kh7 31. Nf6+ 1/2-1/2

[Event "EU-chT 08th Group1"]
[Site "Athens"]
[Date "1981.09.21"]
[Round "6"]
[White "Porfiriadis, Sotirios"]
[Black "Spassov, Liuben"]
[Result "1/2-1/2"]
[ECO "A46"]
[PlyCount "131"]
[EventDate "1981.09.16"]
[EventType "team-tourn"]
[EventRounds "6"]
[EventCountry "GRE"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Greece"]
[BlackTeam "Bulgaria"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "BUL"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. c3 b6 5. Nbd2 cxd4 6. cxd4 Bb7 7. e3 Be7 8. h3 0-0 9. Bd3 a6 10. 0-0 b5 11. Qe2 Nc6 12. Rac1 d6 13. Ne4 Nb4 14. Nxf6+ Bxf6 15. Bb1 Nd5 16. Bg3 Be7 17. Rc2 Qd7 18. Rfc1 Rfc8 19. a3 g6 20. Nd2 Nb6 21. Qd3 Rxc2 22. Rxc2 Rc8 23. f3 Na4 24. Ne4 Rxc2 25. Qxc2 Bxe4 26. fxe4 Bg5 27. Bf4 Bxf4 28. exf4 Qa7 29. Kh2 Qxd4 30. Qc8+ Kg7 31. Qxa6 Qxb2 32. Bd3 Qd4 33. Bxb5 Nc5 34. Qb6 Qd2 35. a4 Qxf4+ 36. Kg1 g5 37. a5 h5 38. Bc6 g4 39. hxg4 hxg4 40. Qb2+ e5 41. Qf2 Qc1+ 42. Qf1 Qa3 43. Bd5 f6 44. Qe2 g3 45. Qg4+ Kf8 46. Qg8+ Ke7 47. Qf7+ Kd8 48. Qxf6+ Kc7 49. Qf7+ Nd7 50. Kf1 Qxa5 51. Be6 Qb5+ 52. Ke1 Qb4+ 53. Kd1 Qd4+ 54. Kc1 Qg1+ 55. Kd2 Qxg2+ 56. Kd3 Kb6 57. Bxd7 Qb2 58. Bh3 Qd4+ 59. Ke2 Qxe4+ 60. Kf1 Qh1+ 61. Ke2 Qxh3 62. Qb3+ Kc7 63. Qc4+ Kd8 64. Qg8+ Ke7 65. Qg7+ Ke6 66. Qg6+ 1/2-1/2

[Event "EU-chT 08th Group1"]
[Site "Athens"]
[Date "1981.09.19"]
[Round "4"]
[White "Porfiriadis, Sotirios"]
[Black "Abramovic, Bosko"]
[Result "1/2-1/2"]
[ECO "B08"]
[BlackElo "2420"]
[PlyCount "120"]
[EventDate "1981.09.16"]
[EventType "team-tourn"]
[EventRounds "6"]
[EventCountry "GRE"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Greece"]
[BlackTeam "Yugoslavia"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "YUG"]

1. d4 Nf6 2. Nc3 d6 3. e4 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 Bg4 7. Be3 Nc6 8. d5 Bxf3 9. Bxf3 Ne5 10. Be2 c6 11. f4 Ned7 12. dxc6 bxc6 13. Qd2 Nb6 14. Rad1 d5 15. exd5 cxd5 16. Bd4 e6 17. b3 Rc8 18. Ba6 Rc6 19. Bb5 Rc7 20. a4 Nc8 21. Be5 Nd6 22. Bd3 Ng4 23. Bxg7 Kxg7 24. h3 Nf6 25. Nb5 Nxb5 26. axb5 Qe7 27. Qe3 Qd6 28. Qd4 Qb6 29. Qxb6 axb6 30. Ra1 Rb8 31. Kf2 h5 32. g3 Rc3 33. Ke3 Ne4 34. Kd4 Rbc8 35. g4 h4 36. Ra6 Nc5 37. Rxb6 Nxd3 38. cxd3 Rxb3 39. f5 exf5 40. gxf5 g5 41. Rf3 Rb4+ 42. Kxd5 Rd8+ 43. Kc5 Rbd4 44. Ra6 R8d5+ 45. Kb6 Rxd3 46. Ra3 Rxa3 47. Rxa3 Rxf5 48. Ka6 Rf1 49. b6 Rb1 50. b7 g4 51. hxg4 Kg6 52. Ra5 h3 53. Rh5 Ra1+ 54. Kb6 Rb1+ 55. Kc6 Rc1+ 56. Kd7 Rd1+ 57. Kc7 Rc1+ 58. Kb6 Rb1+ 59. Ka7 Ra1+ 60. Kb8 Ra3 1/2-1/2

[Event "EU-chT 08th Group1"]
[Site "Athens"]
[Date "1981.09.18"]
[Round "3"]
[White "Popov, Luben"]
[Black "Porfiriadis, Sotirios"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2465"]
[PlyCount "81"]
[EventDate "1981.09.16"]
[EventType "team-tourn"]
[EventRounds "6"]
[EventCountry "GRE"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Bulgaria"]
[BlackTeam "Greece"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 d5 6. b3 Bd6 7. Bb2 0-0 8. 0-0 Nbd7 9. Nbd2 c5 10. Qe2 Ne4 11. Rfd1 Qe7 12. cxd5 exd5 13. Ba6 Bxa6 14. Qxa6 Ndf6 15. h3 Rfe8 16. Qd3 Rad8 17. Ne5 Bc7 18. Ndf3 Qd6 19. Rac1 Nd7 20. Nxd7 Rxd7 21. Ba3 Re6 22. Rc2 h6 23. Rdc1 Ng5 24. Ne5 Rxe5 25. dxe5 Qxe5 26. f4 Qe4 27. Qxe4 Nxe4 28. Rd1 a5 29. g4 g5 30. f5 f6 31. Kg2 Kf7 32. Kf3 Be5 33. Bb2 Bxb2 34. Rxb2 Ke7 35. Rh2 Kd6 36. h4 Ke5 37. hxg5 hxg5 38. Rh8 Nd6 39. Rdh1 c4 40. R1h7 Rxh7 41. Rxh7 1-0

[Event "EU-chT 08th Group1"]
[Site "Athens"]
[Date "1981.09.16"]
[Round "1"]
[White "Porfiriadis, Sotirios"]
[Black "Nikolic, Zivoslav"]
[Result "0-1"]
[ECO "D03"]
[PlyCount "76"]
[EventDate "1981.09.16"]
[EventType "team-tourn"]
[EventRounds "6"]
[EventCountry "GRE"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Greece"]
[BlackTeam "Yugoslavia"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "YUG"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e3 Qb6 5. Qc1 Nc6 6. c3 d5 7. Nbd2 Bd7 8. Be2 h6 9. Bh4 Rc8 10. Qb1 cxd4 11. exd4 Ne7 12. 0-0 Nf5 13. Bg3 Nxg3 14. hxg3 Bb5 15. Bxb5+ Qxb5 16. Ne5 Bd6 17. Re1 Bxe5 18. dxe5 Ng8 19. Nb3 Ne7 20. Nd4 Qb6 21. Qd3 a6 22. Qe2 Nc6 23. Nxc6 Rxc6 24. Rad1 Rc4 25. Qc2 0-0 26. Re2 Rfc8 27. Qb3 Qc7 28. Rde1 b5 29. a3 Qc5 30. Qd1 a5 31. Qd3 b4 32. axb4 axb4 33. cxb4 Qxb4 34. Ra1 Rc1+ 35. Rxc1 Rxc1+ 36. Kh2 Qg4 37. Qf3 Qc4 38. b3 Qd4 0-1

[Event "GRE-ch31"]
[Site "Greece"]
[Date "1981.08.06"]
[Round "?"]
[White "Porfiriadis, Sotirios"]
[Black "Bousios, Hristos"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2185"]
[BlackElo "2220"]
[PlyCount "81"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "GRE"]
[EventCategory "1"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c5 3. e3 Nf6 4. b3 g6 5. Be2 Bg7 6. 0-0 0-0 7. Bb2 cxd4 8. exd4 b6 9. Ne5 Bb7 10. Nd2 Nc6 11. Re1 Rc8 12. Bf3 Rc7 13. c3 Nd7 14. Nxc6 Bxc6 15. c4 Nc5 16. dxc5 Bxb2 17. cxb6 axb6 18. Rb1 Bg7 19. cxd5 Bxd5 20. Bxd5 Qxd5 21. Nc4 Qb7 22. a4 b5 23. axb5 Qxb5 24. h3 Bc3 25. Re3 Bf6 26. Na3 Qb6 27. Rd3 Kg7 28. Nc4 Qa7 29. Ne3 Rfc8 30. b4 e6 31. b5 Rb7 32. Rdb3 Bd4 33. Rd3 e5 34. Qf3 f5 35. Rdb3 e4 36. Qg3 Qc5 37. Rb4 Be5 38. Qg5 Bf6 39. Qg3 Be5 40. Qg5 Bf6 41. Qg3 1/2-1/2

[Event "GRE-ch31"]
[Site "Greece"]
[Date "1981.??.??"]
[Round "4"]
[White "Lyrintzakis, T."]
[Black "Porfiriadis, Sotirios"]
[Result "1-0"]
[ECO "B30"]
[PlyCount "59"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "GRE"]
[EventCategory "1"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Nd4 5. e5 Nxb5 6. Nxb5 Nd5 7. 0-0 a6 8. c4 Nb6 9. Nc3 d5 10. cxd5 Nxd5 11. Ne4 e6 12. d4 cxd4 13. Nxd4 Be7 14. Qg4 Kf8 15. Bg5 Bxg5 16. Nxg5 Kg8 17. Rfd1 Qe7 18. Rd3 Bd7 19. Rg3 h5 20. Qe4 Rc8 21. h4 Rc4 22. Rd1 Qb4 23. Nxf7 Kxf7 24. Qg6+ Ke7 25. Qxg7+ Kd8 26. Qxh8+ Kc7 27. Rgd3 Qxb2 28. Qf8 Qb6 29. Nf5 Rc2 30. Ne3 1-0

[Event "GRE-ch31"]
[Site "Greece"]
[Date "1981.??.??"]
[Round "2"]
[White "Natsis, Trifon"]
[Black "Porfiriadis, Sotirios"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "2265"]
[PlyCount "82"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "GRE"]
[EventCategory "1"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 Bb7 7. Nc3 d6 8. Bg2 Nbd7 9. 0-0 0-0 10. d5 e5 11. b4 Qe7 12. e4 g6 13. Qg5 Qe8 14. Nh4 Nh5 15. Nb5 Qc8 16. Bh3 a6 17. Nc3 Qe8 18. Rac1 Ndf6 19. Rc2 Bc8 20. Bxc8 Qxc8 21. f3 Nd7 22. f4 Qd8 23. Qxd8 Raxd8 24. f5 Nhf6 25. Kf2 Ra8 26. Ke3 Rfc8 27. fxg6 hxg6 28. c5 bxc5 29. bxc5 Kg7 30. c6 Nc5 31. Rb1 Rf8 32. Rb4 Ng4+ 33. Kf3 Nh6 34. g4 Nd3 35. Rb1 Rfb8 36. Rd2 Rxb1 37. Nxb1 Nc5 38. g5 Ng8 39. Rb2 f6 40. gxf6+ Nxf6 41. Rg2 Ncxe4 0-1

[Event "GRE-ch31"]
[Site "Greece"]
[Date "1981.??.??"]
[Round "3"]
[White "Porfiriadis, Sotirios"]
[Black "Tsomis, Dimitrios"]
[Result "1-0"]
[ECO "A38"]
[BlackElo "2235"]
[PlyCount "121"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "GRE"]
[EventCategory "1"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 Nc6 4. Bg2 g6 5. a3 a6 6. Rb1 Rb8 7. b4 cxb4 8. axb4 b5 9. cxb5 axb5 10. Nf3 Bg7 11. 0-0 0-0 12. d4 d6 13. e4 Bg4 14. Be3 e5 15. d5 Ne7 16. Qd3 Qd7 17. Ra1 Rb7 18. Ra5 Rfb8 19. Nd2 Ne8 20. Rfa1 f5 21. f3 fxe4 22. fxe4 Nc8 23. Ra8 Rxa8 24. Rxa8 Nc7 25. Ra5 Qe8 26. Bf1 Bd7 27. Ndb1 Bf6 28. Ra2 Qd8 29. Qd2 Be7 30. Bd3 h5 31. h4 Ne8 32. Ra5 Nf6 33. Na3 Ng4 34. Bxb5 Bxb5 35. Rxb5 Rxb5 36. Naxb5 Nb6 37. Qe2 Qb8 38. Nd1 Nd7 39. Na7 Bf8 40. Nc6 Qa8 41. Bg5 Qa1 42. Kg2 Ndf6 43. Bxf6 Nxf6 44. Nf2 Bh6 45. Nd8 Qa8 46. Ne6 Nxd5 47. Qd3 Ne3+ 48. Kf3 Qc6 49. b5 Qd7 50. Qb3 d5 51. exd5 Nxd5 52. Nc5 Qf7+ 53. Ke2 Be3 54. Nfe4 Kg7 55. b6 Bxc5 56. Nxc5 Ne7 57. Qxf7+ Kxf7 58. b7 Nc6 59. Na6 Kf6 60. b8Q Nxb8 61. Nxb8 1-0

[Event "GRE-ch31"]
[Site "Greece"]
[Date "1981.??.??"]
[Round "1"]
[White "Skembris, Spyridon"]
[Black "Porfiriadis, Sotirios"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2400"]
[PlyCount "102"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "GRE"]
[EventCategory "1"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 c5 5. d5 Ba6 6. b3 exd5 7. cxd5 g6 8. Bb2 Bg7 9. e4 Bxf1 10. Kxf1 d6 11. Nbd2 0-0 12. Qc2 Nbd7 13. g3 Ng4 14. Bxg7 Kxg7 15. h3 Nge5 16. Nh4 Nf6 17. Kg2 Nh5 18. Qc3 Kg8 19. Rhf1 b5 20. f4 Nd7 21. Rae1 Nb6 22. Ndf3 a5 23. Nh2 b4 24. Qc1 bxa3 25. Qxa3 a4 26. Ng4 axb3 27. Qxb3 c4 28. Qb2 f6 29. Rb1 Nd7 30. Qc3 Ra2+ 31. Rf2 Rxf2+ 32. Nxf2 Qc7 33. Nf3 Ra8 34. Nd4 Qc5 35. Rb4 Nb6 36. Rb5 Ra3 37. Rxc5 Rxc3 38. Rc6 Na4 39. Ne2 Re3 40. Rxc4 Nc5 41. Kf1 Nxg3+ 42. Nxg3 Rxg3 43. e5 fxe5 44. fxe5 Rg5 45. Ng4 Kf8 46. exd6 Rxd5 47. Ne3 Re5 48. Rf4+ Ke8 49. Ng4 Rf5 50. Nf6+ Kf7 51. Rxf5 gxf5 1/2-1/2

[Event "GRE-ch U18"]
[Site "Athens"]
[Date "1980.07.13"]
[Round "5"]
[White "Porfiriadis, Sotirios"]
[Black "Katsilieris, Georgios"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "67"]
[EventDate "1980.07.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. g3 g6 3. Bg2 Bg7 4. d3 Nc6 5. f4 d6 6. Nf3 Nh6 7. 0-0 f5 8. c3 Qb6 9. Kh1 0-0 10. Na3 Kh8 11. Nc4 Qc7 12. a4 Be6 13. Ne3 Bg8 14. Ng5 Qd7 15. h4 Na5 16. Ra3 Rad8 17. h5 c4 18. hxg6 hxg6 19. Bh3 cxd3 20. exf5 gxf5 21. Qxd3 Bc4 22. Nxc4 Qc6+ 23. Bg2 Qxc4 24. Qxc4 Nxc4 25. Rb3 b6 26. Ne6 Ng4 27. Nxd8 Rxd8 28. Bf3 Nf6 29. Rb4 Na5 30. Kg2 Kg8 31. Be3 e5 32. fxe5 dxe5 33. Bg5 e4 34. Bxe4 1-0

[Event "GRE-ch U18"]
[Site "Athens"]
[Date "1979.07.19"]
[Round "11"]
[White "Porfiriadis, Sotirios"]
[Black "Bousios, Hristos"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "80"]
[EventDate "1979.07.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 Be6 10. Nc4 Rc8 11. Ne3 Ne7 12. Bxf6 gxf6 13. Bd3 Qb6 14. 0-0 Qxb2 15. Ncd5 Bxd5 16. Nxd5 Nxd5 17. exd5 Qd4 18. Qf3 Ke7 19. Rab1 Rc7 20. Rb3 Bh6 21. Rfb1 b5 22. Rb4 Qc5 23. a4 Bd2 24. Rh4 Bg5 25. Rg4 h5 26. Re4 Qxd5 27. axb5 axb5 28. h4 Bd2 29. Qe2 Bc3 30. Rxb5 Qa8 31. Rc4 Rhc8 32. Rxc7+ Rxc7 33. g3 Bd4 34. Qxh5 e4 35. Bf1 Rxc2 36. Be2 Qa7 37. Rf5 Qa2 38. Kf1 Rc1+ 39. Kg2 Qb1 40. Qh8 Rh1 0-1

[Event "GRE-ch U18"]
[Site "Athens"]
[Date "1979.07.17"]
[Round "9"]
[White "Porfiriadis, Sotirios"]
[Black "Alexopoulos, Georgios"]
[Result "0-1"]
[ECO "B08"]
[BlackElo "2270"]
[PlyCount "50"]
[EventDate "1979.07.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. Bc4 c6 6. Bb3 0-0 7. h3 b5 8. e5 dxe5 9. dxe5 Qxd1+ 10. Kxd1 Rd8+ 11. Ke2 Nd5 12. Bxd5 cxd5 13. Nxb5 Ba6 14. a4 Nc6 15. Bf4 Rab8 16. b3 Bxb5+ 17. axb5 Rxb5 18. Rhd1 e6 19. Nd4 Rc5 20. Nxc6 Rxc2+ 21. Rd2 Rxc6 22. Rxa7 Rb8 23. Rb2 g5 24. Bxg5 Bxe5 25. Rb1 Rc2+ 0-1

[Event "GRE-ch sf U18"]
[Site "Athens"]
[Date "1978.07.14"]
[Round "7"]
[White "Zahilas, Loukas N"]
[Black "Porfiriadis, Sotirios"]
[Result "1/2-1/2"]
[ECO "D69"]
[PlyCount "28"]
[EventDate "1978.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 c6 6. Nf3 0-0 7. Bd3 Nbd7 8. Rc1 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. 0-0 Nxc3 12. Rxc3 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5 1/2-1/2

