[Event "Biel op-B 56th"]
[Site "Biel"]
[Date "2023.07.26"]
[Round "9"]
[White "Zafeiridis, Athanasios"]
[Black "Marketos, Richard Matthew"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "1878"]
[BlackElo "1491"]
[PlyCount "81"]
[EventDate "2023.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c5 5. e3 cxd4 6. exd4 Bb4 7. Bg5 0-0 8. Qb3 Nc6 9. Be2 dxc4 10. Qxc4 Be7 11. 0-0 Nd5 12. Bxe7 Ncxe7 13. Ne5 Bd7 14. Bf3 Rc8 15. Qb3 Nxc3 16. bxc3 b5 17. Rfd1 Qc7 18. Rac1 Rfd8 19. Be4 f6 20. Nd3 Kh8 21. Nc5 e5 22. Nb7 Rf8 23. dxe5 fxe5 24. Nd6 Bc6 25. Bxc6 Qxc6 26. Nf7+ Rxf7 27. Qxf7 Ng6 28. Qd5 Qxd5 29. Rxd5 Nf4 30. Rd2 Kg8 31. g3 Ng6 32. Rd7 a6 33. Ra7 Rc6 34. Kg2 Re6 35. Rd1 Ne7 36. Rd8+ Kf7 37. Rda8 Kf6 38. Rxa6 Kf7 39. R6a7 Rc6 40. Ra6 Rxc3 41. Rb6 1-0

[Event "Biel op-B 56th"]
[Site "Biel"]
[Date "2023.07.25"]
[Round "8"]
[White "Colak, Furkan"]
[Black "Zafeiridis, Athanasios"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1515"]
[BlackElo "1878"]
[PlyCount "117"]
[EventDate "2023.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. a3 Nc6 6. Nf3 Bd7 7. b4 cxd4 8. cxd4 Rc8 9. Bb2 Nh6 10. Nc3 a6 11. Na4 Qa7 12. Nc5 Bxc5 13. dxc5 Nf5 14. Bd3 Nce7 15. Qe2 Ng6 16. Bxf5 exf5 17. Qd2 Be6 18. 0-0 0-0 19. Rac1 Qb8 20. Rfe1 Ne7 21. h4 Qc7 22. Nd4 Nc6 23. Qf4 Nxd4 24. Bxd4 Qe7 25. c6 Qd8 26. Bc5 Re8 27. cxb7 Rb8 28. Bd6 Rxb7 29. Re3 Kh8 30. Rec3 a5 31. Bc7 Qa8 32. Bxa5 Qa6 33. Qd4 h6 34. Rc6 Qe2 35. Rb6 Rd7 36. a4 Ra8 37. Rd6 Re7 38. Rd8+ Re8 39. Rxe8+ Rxe8 40. b5 Ra8 41. b6 Qa6 42. Bd2 Rb8 43. a5 Rb7 44. Qc5 Kg8 45. Qc6 Rb8 46. Qd6 Rb7 47. Rc7 h5 48. Qe7 Rxc7 49. Qxc7 Qc8 50. a6 Qxa6 51. b7 Qa1+ 52. Kh2 Qd4 53. b8Q+ Kh7 54. Be3 Qxh4+ 55. Kg1 f4 56. Qc2+ g6 57. Qb4 Bf5 58. Qe2 Be4 59. f3 1-0

[Event "Biel op-B 56th"]
[Site "Biel"]
[Date "2023.07.24"]
[Round "7"]
[White "Zafeiridis, Athanasios"]
[Black "Rose, Alexis"]
[Result "1/2-1/2"]
[ECO "E51"]
[WhiteElo "1878"]
[BlackElo "1633"]
[PlyCount "38"]
[EventDate "2023.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 d5 5. e3 0-0 6. Nf3 c5 7. a3 Bxc3 8. Bxc3 Ne4 9. dxc5 Nxc3 10. bxc3 dxc4 11. Qxd8 Rxd8 12. Bxc4 Bd7 13. Ne5 Bc6 14. 0-0 Nd7 15. Nxd7 Rxd7 16. Rfd1 Rad8 17. Be2 Rxd1+ 18. Rxd1 Rxd1+ 19. Bxd1 Kf8 1/2-1/2

[Event "Biel op-B 56th"]
[Site "Biel"]
[Date "2023.07.23"]
[Round "6"]
[White "Gallus, Matthias"]
[Black "Zafeiridis, Athanasios"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "1729"]
[BlackElo "1878"]
[PlyCount "81"]
[EventDate "2023.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 0-0 6. e3 b6 7. cxd5 Nxd5 8. Bxe7 Qxe7 9. Nxd5 exd5 10. Be2 Bb7 11. 0-0 Nd7 12. Qa4 Rfc8 13. Ba6 Bxa6 14. Qxa6 Qd6 15. Rfd1 c6 16. Qd3 Re8 17. Rac1 Rac8 18. Rc3 h6 19. a3 a5 20. Qa6 Qc7 21. Rdc1 Re6 22. Qd3 Qd6 23. Qa6 Qb8 24. Qd3 Qa7 25. b4 b5 26. Ne5 Nb8 27. Qf5 Qb7 28. Qc2 f6 29. Nd3 Na6 30. bxa5 Rd6 31. Nb4 Nb8 32. Qf5 Rc7 33. Qf4 Rcd7 34. Qf5 Kf7 35. Qh5+ Kg8 36. R1c2 Rc7 37. Qf3 Re6 38. Qg3 Rd7 39. Qg4 Red6 40. Qg3 Re6 41. Qg4 1/2-1/2

[Event "Biel op-B 56th"]
[Site "Biel"]
[Date "2023.07.21"]
[Round "5"]
[White "Zafeiridis, Athanasios"]
[Black "Titov, Dmitrii"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "1878"]
[BlackElo "1783"]
[PlyCount "73"]
[EventDate "2023.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Nf3 Bb7 5. Nbd2 c5 6. c3 d5 7. Bxb8 Rxb8 8. Bb5+ Ke7 9. Qa4 a6 10. Be2 Nd7 11. c4 f6 12. cxd5 exd5 13. 0-0 Kf7 14. dxc5 bxc5 15. e4 Nb6 16. Qc2 g6 17. exd5 Bd6 18. Nc4 Bxd5 19. Rfd1 Bxc4 20. Bxc4+ Nxc4 21. Qxc4+ Kg7 22. Qxa6 Rb6 23. Qa7+ Kh6 24. b3 Qb8 25. Qa3 Rd8 26. Qc1+ Kg7 27. Qc3 Rb7 28. Re1 Rbd7 29. h3 Qa7 30. Re2 Qc7 31. Rae1 Be7 32. Ng5 Qd6 33. Ne6+ Kh8 34. Nxd8 Bxd8 35. Qc4 Bc7 36. Re8+ Kg7 37. Rg8+ 1-0

[Event "Biel op-B 56th"]
[Site "Biel"]
[Date "2023.07.20"]
[Round "4"]
[White "Suwendo, Poedjo"]
[Black "Zafeiridis, Athanasios"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1636"]
[BlackElo "1878"]
[PlyCount "88"]
[EventDate "2023.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. f4 d5 3. e5 c5 4. c3 Nc6 5. Bd3 Bd7 6. Nf3 Qb6 7. Bc2 c4 8. d3 cxd3 9. Qxd3 a5 10. b3 Bc5 11. Ba3 Be3 12. g3 Nh6 13. Ke2 Nf5 14. Kd1 Na7 15. Qe2 Bb5 16. Bd3 Bxd3 17. Qxd3 Nb5 18. Ke2 a4 19. b4 h5 20. Nh4 Nxh4 21. Qxe3 Qxe3+ 22. Kxe3 Nf5+ 23. Kd3 Rc8 24. Bc1 Ke7 25. Bd2 Rc4 26. a3 Rhc8 27. Rc1 Nh6 28. Ra2 Ng4 29. Be1 g5 30. h3 Nh6 31. fxg5 Nf5 32. Rac2 Re4 33. Bf2 Rxe5 34. g4 hxg4 35. hxg4 Nfd6 36. Re1 Nc4 37. Bh4 Rxe1 38. Bxe1 Ne5+ 39. Ke3 Nxg4+ 40. Kf3 Nd4+ 41. cxd4 Rxc2 42. Kxg4 Rc1 43. Nc3 Rxe1 44. Nxa4 Re4+ 0-1

[Event "Biel op-B 56th"]
[Site "Biel"]
[Date "2023.07.19"]
[Round "3"]
[White "Zafeiridis, Athanasios"]
[Black "Mani, Thomas"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1878"]
[BlackElo "1629"]
[PlyCount "53"]
[EventDate "2023.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bf4 Be7 5. e3 0-0 6. Nf3 b6 7. Be2 dxc4 8. Bxc4 Bb7 9. 0-0 a6 10. Ne5 b5 11. Be2 Nd5 12. Nxd5 Bxd5 13. Bd3 f5 14. h3 Nd7 15. Qc2 Nxe5 16. Bxe5 Bd6 17. e4 fxe4 18. Bxe4 Bxe4 19. Qxe4 Bxe5 20. dxe5 Qd5 21. Qxd5 exd5 22. Rac1 Ra7 23. Rc5 Rd8 24. Rd1 d4 25. f4 d3 26. Kf2 Rf8 27. Ke3 1-0

[Event "Biel op-B 56th"]
[Site "Biel"]
[Date "2023.07.18"]
[Round "2"]
[White "Pinelli, Gian"]
[Black "Zafeiridis, Athanasios"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1614"]
[BlackElo "1878"]
[PlyCount "60"]
[EventDate "2023.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Bd3 Bxd3 8. Qxd3 Nbd7 9. Nf3 Be7 10. 0-0 0-0 11. Rab1 Ne4 12. Nxe4 dxe4 13. Qb3 exf3 14. Bxe7 Qxe7 15. gxf3 Qg5+ 16. Kh1 Qd5 17. Qd1 f5 18. Rg1 Rf6 19. Rg3 Raf8 20. Qg1 R8f7 21. b3 Qe6 22. Re1 Re7 23. e4 Rg6 24. Rg5 Qf6 25. Rxg6 Qxg6 26. Qxg6 hxg6 27. e5 Nb6 28. Kg2 Rd7 29. Rd1 Nd5 30. Kg3 Nc3 0-1

[Event "Biel op-B 56th"]
[Site "Biel"]
[Date "2023.07.17"]
[Round "1"]
[White "Zafeiridis, Athanasios"]
[Black "Juchler, Celine"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1878"]
[BlackElo "1538"]
[PlyCount "59"]
[EventDate "2023.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4 Bb4 5. e3 Ne4 6. Qb3 c5 7. f3 Nf6 8. Rd1 0-0 9. Bd3 Nc6 10. a3 cxd4 11. axb4 dxc3 12. Qxc3 Qb6 13. b5 d4 14. exd4 Nxd4 15. Qxd4 Qxd4 16. Bxh7+ Kxh7 17. Rxd4 Re8 18. Be5 Nd7 19. Bc7 Nc5 20. b4 Nb3 21. Rd3 Nc1 22. Ra3 e5 23. Kd2 Re7 24. Bd6 Rd7 25. c5 b6 26. Kxc1 bxc5 27. bxc5 Bb7 28. Ne2 Bd5 29. Nc3 Bc4 30. b6 1-0

[Event "Basel Special op"]
[Site "Basel"]
[Date "2021.07.17"]
[Round "1"]
[White "Zafeiridis, Athanasios"]
[Black "Schweizer, Simon"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "1641"]
[BlackElo "2142"]
[PlyCount "116"]
[EventDate "2021.07.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "SUI"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. c4 Bb4+ 5. Nc3 0-0 6. e3 b6 7. Rc1 Bb7 8. Be2 dxc4 9. Bxc4 Nbd7 10. 0-0 a6 11. Qd2 b5 12. Bd3 Be7 13. e4 c5 14. e5 Nd5 15. Bxe7 Qxe7 16. Nxd5 Bxd5 17. dxc5 Nxc5 18. Bb1 Rac8 19. b4 Na4 20. a3 g6 21. Qe3 Qb7 22. Rfe1 Bxf3 23. Qxf3 Qxf3 24. gxf3 Nc3 25. Kf1 Nxb1 26. Rxb1 Rc3 27. Re3 Rfc8 28. Rb3 Rxb3 29. Rxb3 Rc2 30. a4 bxa4 31. Ra3 Rb2 32. Rxa4 Kg7 33. Kg2 Rb3 34. Kg3 g5 35. Rxa6 Rxb4 36. Ra7 h5 37. Ra5 Kg6 38. Rc5 Rf4 39. Rc7 Rf5 40. Rc5 f6 41. Rc6 Rxe5 42. h4 gxh4+ 43. Kxh4 Re1 44. Kg3 e5 45. Rc5 Rg1+ 46. Kh2 Rg5 47. Rc4 Rf5 48. Kg3 Kg5 49. Re4 h4+ 50. Rxh4 Rxf3+ 51. Kxf3 Kxh4 52. Ke4 Kg4 53. Ke3 f5 54. Ke2 Kf4 55. Kd2 Kf3 56. Ke1 Kg2 57. Ke2 f4 58. f3 Kg3 0-1

[Event "Biel HTO 53rd"]
[Site "Biel"]
[Date "2020.07.27"]
[Round "7"]
[White "Zafeiridis, Athanasios"]
[Black "Perreard, Nicolas"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1504"]
[BlackElo "1956"]
[PlyCount "113"]
[EventDate "2020.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 197"]
[Source "ChessBase"]
[SourceDate "2020.07.27"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. a3 Bxc3 5. dxc3 d6 6. Bd3 h6 7. h3 0-0 8. 0-0 b6 9. Qe2 Bb7 10. Nh2 Nbd7 11. f3 Re8 12. Ng4 Nh5 13. Qf2 Nf8 14. f4 exf4 15. Bxf4 Nxf4 16. Qxf4 Re7 17. e5 dxe5 18. Nxe5 Qd5 19. Nf3 Ng6 20. Bxg6 fxg6 21. Rad1 Qb5 22. Qb4 Qxb4 23. cxb4 c5 24. bxc5 bxc5 25. Rfe1 Rae8 26. Kf2 Kf7 27. Rxe7+ Rxe7 28. Re1 Rxe1 29. Nxe1 Ke6 30. Nd3 Kd6 31. g3 g5 32. Ke3 Bg2 33. Nf2 Kd5 34. Kd3 Bf1+ 35. Kc3 h5 36. b4 cxb4+ 37. axb4 h4 38. gxh4 gxh4 39. Nd3 g5 40. Nf2 Ke5 41. Kd2 Kf4 42. Ke1 Bc4 43. Kd2 Kf3 44. Ke1 Be6 45. Kf1 Ke3 46. Kg1 Kd4 47. Kh2 Bf5 48. Kg2 Kc3 49. b5 Kxc2 50. Kf3 Kb3 51. Ne4 Bxe4+ 52. Kxe4 Kb4 53. Kf5 Kxb5 54. Kxg5 a5 55. Kxh4 a4 56. Kg5 a3 57. h4 0-1

[Event "Biel HTO 53rd"]
[Site "Biel"]
[Date "2020.07.24"]
[Round "5"]
[White "Zafeiridis, Athanasios"]
[Black "Borner, Daniel"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1504"]
[BlackElo "2154"]
[PlyCount "99"]
[EventDate "2020.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 197"]
[Source "ChessBase"]
[SourceDate "2020.07.27"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.27"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 c5 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Be2 0-0 8. 0-0 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Bf3 Qa5 12. Nb3 Qc7 13. c3 Rd8 14. Qe2 Ne5 15. Rad1 Be6 16. Be4 Bc4 17. Qc2 Bxf1 18. Rxf1 f5 19. f4 Ng4 20. Nc5 Nxe3 21. Qb3+ Kh8 22. Ne6 Qb6 23. Qxb6 axb6 24. Nxd8 Rxd8 25. Re1 Rd1 26. Rxd1 Nxd1 27. Bxb7 Nxb2 28. Kf2 Bxc3 29. Kf3 Kg7 30. h3 e6 31. g4 Kf6 32. Ba6 Na4 33. Bd3 Bd2 34. Bc2 Nc3 35. Bb3 Nd5 36. Bc4 Nxf4 37. h4 Nd5 38. Kg3 Be1+ 39. Kh3 Nf4+ 40. Kh2 Bxh4 41. gxf5 exf5 42. a4 g5 43. Bb5 g4 44. Bc4 h5 45. Bf1 Be1 46. Kg1 h4 47. Kh1 h3 48. Kg1 g3 49. Bxh3 Nxh3+ 50. Kg2 0-1

[Event "EU School-ch U09"]
[Site "Kallithea"]
[Date "2016.06.17"]
[Round "1"]
[White "Zafeiridis, Athanasios"]
[Black "Prieb, Robert"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1093"]
[BlackElo "1505"]
[PlyCount "120"]
[EventDate "2016.06.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Bc4 b5 5. Bd3 e5 6. dxe5 dxe5 7. Nf3 Qc7 8. Bg5 Be7 9. 0-0 0-0 10. Re1 Bg4 11. h3 Bh5 12. Qe2 Nbd7 13. Rad1 Rad8 14. Rd2 Nc5 15. Red1 b4 16. Nb1 Bg6 17. Bxf6 Bxf6 18. c3 a5 19. Bc2 Ne6 20. cxb4 axb4 21. Rxd8 Rxd8 22. Rxd8+ Qxd8 23. Nbd2 h6 24. Nc4 Nd4 25. Qd3 Nxf3+ 26. gxf3 Qxd3 27. Bxd3 Kf8 28. Kf1 Ke7 29. Ke2 Ke6 30. Kd2 Be7 31. Kc2 Bc5 32. Ne3 Bh5 33. Be2 Kf6 34. h4 g5 35. hxg5+ Kxg5 36. Kd3 Bd4 37. b3 f6 38. Kc4 c5 39. Kd3 Kf4 40. Ng2+ Kg5 41. Ne3 Bf7 42. Bf1 Kf4 43. Ke2 Bxe3 44. fxe3+ Kg3 45. Kd2 Kxf3 46. Bd3 h5 47. Be2+ Kxe4 48. Ke1 Kxe3 49. Kf1 f5 50. Bd1 f4 51. Kg1 h4 52. Bg4 f3 53. Kf1 f2 54. Bh3 Be8 55. Kg2 Ke2 56. Bg4+ Ke1 57. Bh3 f1Q+ 58. Kh2 Qf2+ 59. Kh1 Bc6+ 60. Bg2 Qxg2# 0-1

