[Event "JPN WL021 email"]
[Site "ICCF email"]
[Date "2017.11.18"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Takahashi, Yoshihiro"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "1805"]
[BlackElo "1569"]
[PlyCount "48"]
[EventDate "2017.??.??"]
[EventType "match (corr)"]
[EventRounds "2"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. a4 b4 8. Nxe5 0-0 9. Nxf7 Rxf7 10. Bxf7+ Kxf7 11. e5 Ng8 12. Qh5+ Kf8 13. Qf3+ Ke8 14. Qd5 Bf8 15. Qxg8 Qe7 16. Qxh7 Bb7 17. Qe4 Kd8 18. d4 Kc8 19. Rd1 a5 20. c4 Ra6 21. Nd2 Qf7 22. Nb3 Qxc4 23. Nc5 Bxc5 24. dxc5 Qxe4 0-1

[Event "JPN WL021 email"]
[Site "ICCF email"]
[Date "2017.11.18"]
[Round "?"]
[White "Takahashi, Yoshihiro"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1569"]
[BlackElo "1805"]
[PlyCount "47"]
[EventDate "2017.??.??"]
[EventType "match (corr)"]
[EventRounds "2"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e6 3. Nc3 Nf6 4. Nf3 d5 5. Bb5+ Nc6 6. d4 dxe4 7. Ne5 cxd4 8. Ne2 Qa5+ 9. c3 Qxb5 10. Nxc6 bxc6 11. Nxd4 Qc4 12. Qe2 Qxe2+ 13. Nxe2 Ba6 14. Be3 Bxe2 15. Kxe2 Bd6 16. h3 Nd5 17. Rhd1 Nxe3 18. Rxd6 Nxg2 19. Rg1 Nf4+ 20. Ke3 Nxh3 21. Rxg7 Ke7 22. Rxc6 Rag8 23. Rc7+ Kf8 24. Rgxf7+ 1-0

[Event "JPN-USA email"]
[Site "ICCF email"]
[Date "2017.06.15"]
[Round "?.7"]
[White "Flewelling, Heather"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1754"]
[BlackElo "1747"]
[PlyCount "35"]
[EventDate "2017.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[EventCountry "USA"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "USA"]
[BlackTeam "Japan"]
[BlackTeamCountry "JPN"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. Nf3 0-0 5. e3 d5 6. Be2 c5 7. 0-0 Nc6 8. Bb2 Re8 9. d3 Qe7 10. c3 Ba5 11. Nbd2 Bf5 12. c4 d4 13. e4 Bc7 14. Re1 Bd7 15. Rb1 a6 16. Ba3 b5 17. Qc2 b4 18. Bb2 1-0

[Event "JPN-USA email"]
[Site "ICCF email"]
[Date "2017.06.15"]
[Round "?.7"]
[White "Ooka, Koji"]
[Black "Flewelling, Heather"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1747"]
[BlackElo "1754"]
[PlyCount "50"]
[EventDate "2017.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[EventCountry "USA"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Japan"]
[BlackTeam "USA"]
[WhiteTeamCountry "JPN"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Be3 Qb6 6. Qd2 cxd4 7. cxd4 Bb4 8. Nc3 Nge7 9. Nf3 Bd7 10. Bd3 Bxc3 11. bxc3 Rc8 12. 0-0 Na5 13. Qe2 Nc4 14. Rab1 Qa6 15. Nd2 b5 16. Nb3 Qc6 17. Nc5 a6 18. a4 0-0 19. axb5 axb5 20. Nxd7 Qxd7 21. Bxc4 bxc4 22. Bg5 Nc6 23. Rb6 Na5 24. Rfb1 Nb3 25. Bc1 Ra8 0-1

[Event "JPN WL016 email"]
[Site "ICCF email"]
[Date "2017.02.04"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Takahashi, Yoshihiro"]
[Result "1-0"]
[ECO "B73"]
[WhiteElo "1701"]
[BlackElo "1618"]
[PlyCount "59"]
[EventDate "2017.??.??"]
[EventType "match (corr)"]
[EventRounds "2"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 0-0 8. 0-0 Nc6 9. h3 e5 10. Ndb5 Ne8 11. Nd5 Be6 12. c3 a6 13. Bb6 Qd7 14. Nbc7 Rc8 15. Nxe6 Qxe6 16. Qb3 Kh8 17. Rad1 Ne7 18. Bc4 Nxd5 19. Bxd5 Qe7 20. Qb4 Nf6 21. Bb3 Ne8 22. a4 f5 23. exf5 Rxf5 24. Rfe1 Rg5 25. g4 h5 26. f4 Rxg4+ 27. hxg4 hxg4 28. Rxe5 Bxe5 29. fxe5 Qxe5 30. Bd4 1-0

[Event "JPN WL016 email"]
[Site "ICCF email"]
[Date "2017.02.04"]
[Round "?"]
[White "Takahashi, Yoshihiro"]
[Black "Ooka, Koji"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1618"]
[BlackElo "1701"]
[PlyCount "74"]
[EventDate "2017.??.??"]
[EventType "match (corr)"]
[EventRounds "2"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nf3 g6 4. Nc3 d6 5. e3 Bg7 6. Be2 e6 7. Bd2 Nc6 8. 0-0 0-0 9. a3 e5 10. d5 Ne7 11. b4 h6 12. h3 c6 13. Qb3 cxd5 14. cxd5 Kh7 15. a4 b6 16. a5 Bb7 17. a6 Bxd5 18. Nxd5 Nfxd5 19. Ra2 Rc8 20. Bc4 Nf6 21. Rd1 d5 22. Bb5 Ne4 23. Be2 Nxd2 24. Nxd2 e4 25. g3 Rc3 26. Qb1 d4 27. exd4 Nd5 28. Nf1 Qd6 29. b5 f4 30. Qxe4 fxg3 31. fxg3 Rxg3+ 32. Nxg3 Qxg3+ 33. Qg2 Qe3+ 34. Kh1 Rf2 35. Qxf2 Qxf2 36. Rf1 Qh4 37. Bg4 Ne3 0-1

[Event "Webchess op7 Gr055 email"]
[Site "ICCF email"]
[Date "2017.01.31"]
[Round "?"]
[White "Dreisch, Juergen"]
[Black "Ooka, Koji"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2031"]
[BlackElo "1701"]
[PlyCount "45"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. Nc3 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Bg5 Bc5 6. e3 Nxd4 7. exd4 Be7 8. Qf3 c6 9. Bd3 d5 10. h3 0-0 11. 0-0 h6 12. Bf4 Bd6 13. a3 Bxf4 14. Qxf4 Nh5 15. Qe5 g6 16. Qe3 Qh4 17. Qxh6 Qxd4 18. Ne2 Qg7 19. Qe3 Bd7 20. Nf4 Rae8 21. Nxh5 gxh5 22. Qf3 Re5 23. Rae1 1/2-1/2

[Event "Webchess op7 Gr055 email"]
[Site "ICCF email"]
[Date "2017.01.31"]
[Round "?"]
[White "Limbert, Neil"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "2345"]
[BlackElo "1701"]
[PlyCount "79"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. c4 Nb6 8. Nc3 0-0 9. Be3 Nc6 10. exd6 cxd6 11. d5 exd5 12. Nxd5 Nxd5 13. Qxd5 Bf6 14. Qd2 Qa5 15. Rfd1 Rfe8 16. h3 Be6 17. Bg5 Bd8 18. Qxa5 Nxa5 19. Bxd8 Raxd8 20. Nd4 Bxc4 21. Bf3 d5 22. b3 Ba6 23. Rac1 g6 24. a4 Nc6 25. Nxc6 bxc6 26. Rxc6 Be2 27. Bxe2 Rxe2 28. Rc7 a6 29. Rd3 Re1+ 30. Kh2 Re6 31. Rc5 d4 32. Rc4 Red6 33. b4 Kg7 34. Kg1 Kf6 35. Kf1 Ke5 36. Ke2 Rf6 37. Rc5+ Rd5 38. Rc7 h5 39. Rd2 d3+ 40. Rxd3 1-0

[Event "Webchess op7 Gr055 email"]
[Site "ICCF email"]
[Date "2017.01.31"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Gerhards, Guntis"]
[Result "0-1"]
[ECO "B99"]
[WhiteElo "1701"]
[BlackElo "2259"]
[PlyCount "74"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. Bg2 Bb7 13. g5 Nd7 14. a3 0-0 15. h4 b4 16. axb4 a5 17. b5 a4 18. Kb1 Rfc8 19. Rh3 a3 20. b3 e5 21. Nde2 Qa5 22. Ka2 Rc7 23. Qe3 exf4 24. Qxf4 Bf8 25. Rd4 Qb6 26. Qd2 Rac8 27. Rg3 g6 28. Bh3 Ra8 29. Bxd7 Rxd7 30. e5 d5 31. Ne4 Rc7 32. Nf6+ Kh8 33. Nxd5 Bxd5 34. Rxd5 Rc5 35. Nc3 Rac8 36. Rf3 Kg8 37. Rxc5 Qxc5 0-1

[Event "Webchess op7 Gr055 email"]
[Site "ICCF email"]
[Date "2017.01.31"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Pundak, Maksim Bogdanovich"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1701"]
[BlackElo "2183"]
[PlyCount "51"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[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. c3 0-0 9. Re1 Bf5 10. Qc2 Qd7 11. Nbd2 Nd6 12. Nf1 Rae8 13. Bxf5 Nxf5 14. Bf4 Bd6 15. Bxd6 Nxd6 16. Ne3 Ne7 17. Ne5 Qc8 18. Qa4 a6 19. Qd7 f6 20. Qxc8 Nexc8 21. Nd3 c6 22. h4 Kf7 23. g3 h5 24. Kg2 Ne7 25. a4 a5 26. Nc5 1/2-1/2

[Event "Webchess op7 Gr055 email"]
[Site "ICCF email"]
[Date "2017.01.31"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Sciupokas, Arunas"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "1701"]
[BlackElo "2206"]
[PlyCount "60"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Nc3 Nf6 6. e5 Ng4 7. Bxc6 dxc6 8. Re1 0-0 9. d3 Nh6 10. Ne4 b6 11. a4 a5 12. Ng3 Nf5 13. Nxf5 Bxf5 14. Qe2 Qd5 15. h3 Rfd8 16. b3 h6 17. Bb2 Qd7 18. Qe3 Be6 19. Nd2 Bd5 20. Re2 Qf5 21. g4 Qd7 22. f4 Kh7 23. Rf1 Be6 24. Ne4 Rg8 25. Ng3 h5 26. Qf2 hxg4 27. hxg4 Bxg4 28. Qh2+ Bh5 29. Rg2 Bh6 30. Nxh5 gxh5 0-1

[Event "Webchess op7 Gr055 email"]
[Site "ICCF email"]
[Date "2017.01.31"]
[Round "?"]
[White "Sanchez, Mikhaela"]
[Black "Ooka, Koji"]
[Result "1/2-1/2"]
[ECO "E12"]
[BlackElo "1701"]
[PlyCount "59"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 0-0 6. e3 b6 7. Bd3 Bb7 8. 0-0 Nbd7 9. Qc2 h6 10. Bf4 c5 11. cxd5 Nxd5 12. Nxd5 Bxd5 13. e4 Bb7 14. Rad1 cxd4 15. Nxd4 e5 16. Nf5 exf4 17. Bb5 Rc8 18. Qe2 Rc7 19. Bxd7 Bc5 20. Bc6 Qf6 21. Bxb7 Rxb7 22. Qg4 Kh7 23. Qxf4 Qxb2 24. e5 Rbb8 25. Qe4 g6 26. Qf4 gxf5 27. Qxf5+ Kh8 28. Qf6+ Kh7 29. Qf5+ Kh8 30. Qf6+ 1/2-1/2

[Event "JPN-ch pr15 email"]
[Site "ICCF email"]
[Date "2017.01.07"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Tago, Shunnichi"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1701"]
[BlackElo "1702"]
[PlyCount "37"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Nc3 Ngxe5 7. Nxe5 Nxe5 8. f4 Nc6 9. Bd3 d6 10. 0-0 0-0 11. a3 f5 12. b4 Bb6 13. Rf3 a5 14. b5 Ne7 15. Bb2 Ng6 16. c5 dxc5 17. Bc4+ Kh8 18. Nd5 Ba7 19. Rh3 1-0

[Event "JPN-ch pr15 email"]
[Site "ICCF email"]
[Date "2017.01.07"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Takahashi, Yoshihiro"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1701"]
[BlackElo "1618"]
[PlyCount "59"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 h6 4. d4 exd4 5. Nxd4 Bd7 6. Qf3 Nf6 7. Qb3 Qe7 8. Qxb7 Qxe4+ 9. Qxe4+ Nxe4 10. Bd5 c6 11. Bxe4 a5 12. 0-0 Be7 13. Nc3 d5 14. Bd3 0-0 15. Na4 c5 16. Nb6 Ra7 17. Nxd7 Rxd7 18. Nf5 Bf6 19. Bb5 Rb7 20. a4 Rd8 21. Re1 Kh7 22. Bf4 g5 23. Be5 Bxe5 24. Rxe5 Kg6 25. Rd1 Kf6 26. Rdxd5 Rxd5 27. Rxd5 Rc7 28. Nxh6 c4 29. Rd8 Nc6 30. Rd6+ 1-0

[Event "JPN-ch pr15 email"]
[Site "ICCF email"]
[Date "2017.01.07"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Tanabe, Koumei"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "1701"]
[BlackElo "2014"]
[PlyCount "68"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. d3 e6 6. 0-0 Be7 7. Nbd2 Ngf6 8. b3 0-0 9. Qe2 Qc7 10. Bb2 a6 11. a4 b5 12. e5 dxe5 13. Nxe5 Nxe5 14. Bxe5 Qc6 15. Bb2 Rfd8 16. f4 Rab8 17. f5 exf5 18. axb5 axb5 19. Rxf5 Re8 20. Ra7 Bd8 21. Qf3 Qb6 22. Ra1 c4+ 23. Kh1 cxd3 24. cxd3 Qe3 25. Ne4 Qxf3 26. gxf3 Nxe4 27. fxe4 f6 28. Kg2 Rc8 29. Bd4 Rc2+ 30. Rf2 Rc6 31. Rf5 Rd6 32. Rd5 Rxd5 33. exd5 Bc7 34. Ra7 Be5 1/2-1/2

[Event "JPN-ch pr15 email"]
[Site "ICCF email"]
[Date "2017.01.07"]
[Round "?"]
[White "Tago, Shunnichi"]
[Black "Ooka, Koji"]
[Result "0-1"]
[ECO "B05"]
[WhiteElo "1702"]
[BlackElo "1701"]
[PlyCount "74"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. c4 Nb6 7. 0-0 Be7 8. Nc3 0-0 9. Be3 Nc6 10. exd6 cxd6 11. d5 exd5 12. Nxd5 Nxd5 13. cxd5 Bxf3 14. Bxf3 Ne5 15. Be2 Qd7 16. Qd2 a6 17. b3 Rfe8 18. a4 Bf6 19. Rac1 h6 20. Rc3 Ng4 21. Rd3 Nxe3 22. Rxe3 Rxe3 23. Qxe3 Re8 24. Qd2 g6 25. Bc4 Kg7 26. Rc1 h5 27. h3 Re4 28. f3 Rd4 29. Qf2 b5 30. axb5 axb5 31. Be2 Rb4 32. Qe1 Rxb3 33. Rb1 Qa7+ 34. Kh1 Rxb1 35. Qxb1 b4 36. Qxb4 Qa1+ 37. Kh2 Qe5+ 0-1

[Event "JPN-ch pr15 email"]
[Site "ICCF email"]
[Date "2017.01.07"]
[Round "?"]
[White "Takahashi, Yoshihiro"]
[Black "Ooka, Koji"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1618"]
[BlackElo "1701"]
[PlyCount "70"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Bc4 Nb6 4. Bb3 c5 5. c3 Nc6 6. Nf3 d5 7. Qe2 Bg4 8. h3 Bxf3 9. Qxf3 Nxe5 10. Qg3 Nc6 11. 0-0 g6 12. d3 Bg7 13. Bf4 0-0 14. Nd2 Rc8 15. Rfe1 e5 16. Bg5 f6 17. Be3 Ne7 18. Ne4 Nf5 19. Qf3 c4 20. Nc5 Nxe3 21. Ne6 Qd6 22. Nxf8 cxb3 23. Qxe3 Bxf8 24. axb3 a6 25. d4 Nd7 26. b4 Qc6 27. Rec1 e4 28. b3 Nb6 29. Qd2 Bd6 30. g3 f5 31. Ra2 f4 32. Ra5 Qd7 33. Kg2 Rf8 34. Ra2 fxg3 35. fxg3 Rf3 0-1

[Event "JPN-ch pr15 email"]
[Site "ICCF email"]
[Date "2017.01.07"]
[Round "?"]
[White "Tanabe, Koumei"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2014"]
[BlackElo "1701"]
[PlyCount "37"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 Bf5 6. Nc3 e6 7. Nf3 dxe5 8. fxe5 Nc6 9. Be2 Be7 10. 0-0 0-0 11. Be3 f6 12. exf6 Bxf6 13. Qd2 Qe7 14. Rad1 Rad8 15. h3 Bg6 16. c5 Nd5 17. Bf2 Ndb4 18. Bc4 Na6 19. Qe2 1-0

[Event "JPN Colts/10 email"]
[Site "ICCF email"]
[Date "2016.12.01"]
[Round "?"]
[White "Miyata, Kazunori"]
[Black "Ooka, Koji"]
[Result "0-1"]
[ECO "B05"]
[WhiteElo "1451"]
[BlackElo "1636"]
[PlyCount "38"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. exd6 Bxd6 7. 0-0 0-0 8. Bg5 Be7 9. Bxe7 Qxe7 10. Nc3 Nxc3 11. Qd3 Nxe2+ 12. Qxe2 Nc6 13. c3 Qf6 14. Rad1 Bxf3 15. gxf3 Rfd8 16. Rde1 Rd5 17. h3 Rg5+ 18. Kh1 Qf5 19. Kh2 Rh5 0-1

[Event "JPN Colts/10 email"]
[Site "ICCF email"]
[Date "2016.12.01"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Miyata, Kazunori"]
[Result "1-0"]
[ECO "B94"]
[WhiteElo "1636"]
[BlackElo "1451"]
[PlyCount "33"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 h6 7. Bxf6 gxf6 8. Bc4 e6 9. Qh5 Qe7 10. f4 Bg7 11. f5 exf5 12. 0-0-0 0-0 13. Nd5 Qd7 14. Nxf5 Nc6 15. Nxf6+ Bxf6 16. Qg6+ Kh8 17. Qxf6+ 1-0

[Event "JPN Colts/10 email"]
[Site "ICCF email"]
[Date "2016.12.01"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Saitou, Tomoe"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "1636"]
[BlackElo "1444"]
[PlyCount "35"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Bb4+ 6. c3 Ba5 7. Bxc6 bxc6 8. Nxe5 0-0 9. 0-0 c5 10. Bg5 d6 11. Nc6 Qd7 12. Nxa5 Qb5 13. Nc4 d5 14. Ne3 d4 15. Na3 Qxb2 16. Nec4 Qxc3 17. Bxf6 gxf6 18. Rc1 1-0

[Event "JPN Colts/10 email"]
[Site "ICCF email"]
[Date "2016.12.01"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Sugimura, Keiko"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "1636"]
[BlackElo "1557"]
[PlyCount "35"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Nc3 b5 7. Bb3 0-0 8. d3 Bc5 9. Nd5 Ng4 10. Bg5 Be7 11. Nxe7+ Nxe7 12. h3 Nf6 13. Nxe5 d5 14. exd5 Nexd5 15. Qf3 Bb7 16. Bxf6 Qd6 17. Ng4 Bc6 18. Nh6+ 1-0

[Event "JPN Colts/10 email"]
[Site "ICCF email"]
[Date "2016.12.01"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Takahashi, Yoshihiro"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1636"]
[BlackElo "1687"]
[PlyCount "63"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 d6 4. Nf3 Be7 5. d4 exd4 6. Nxd4 0-0 7. 0-0 c5 8. Nf3 a6 9. Re1 Nc6 10. Nd5 b5 11. Nxf6+ Bxf6 12. Bd5 Qc7 13. Bf4 Be6 14. Bxe6 Be5 15. Bxe5 Nxe5 16. Bd5 Rad8 17. Nxe5 dxe5 18. a4 b4 19. a5 g6 20. Re3 Kg7 21. Rh3 Rh8 22. Qe2 Qd6 23. Rd3 Qc7 24. Rf3 Rhf8 25. Qxa6 Qe7 26. Qb7 Rd7 27. Qb6 Rfd8 28. a6 f5 29. h3 fxe4 30. Rf7+ Qxf7 31. Bxf7 Kxf7 32. a7 1-0

[Event "JPN Colts/10 email"]
[Site "ICCF email"]
[Date "2016.12.01"]
[Round "?"]
[White "Saitou, Tomoe"]
[Black "Ooka, Koji"]
[Result "0-1"]
[ECO "C49"]
[WhiteElo "1444"]
[BlackElo "1636"]
[PlyCount "22"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. Bb5 Bb4 5. a3 Bxc3 6. bxc3 0-0 7. 0-0 Nxe4 8. d3 Nxc3 9. Qe1 Nxb5 10. Nxe5 Ncd4 11. Bf4 Nxc2 0-1

[Event "JPN Colts/10 email"]
[Site "ICCF email"]
[Date "2016.12.01"]
[Round "?"]
[White "Sugimura, Keiko"]
[Black "Ooka, Koji"]
[Result "0-1"]
[ECO "A87"]
[WhiteElo "1557"]
[BlackElo "1636"]
[PlyCount "54"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 0-0 6. Nc3 d6 7. 0-0 e6 8. Bf4 Ne4 9. Nxe4 fxe4 10. Ng5 d5 11. c5 Nc6 12. a3 Nxd4 13. e3 Nc6 14. Bh3 Qe7 15. Rc1 h6 16. Bxc7 Qxc7 17. Nxe6 Qf7 18. Qxd5 Nd8 19. Qxe4 Nxe6 20. f4 Nxc5 21. Rxc5 Bxh3 22. Rfc1 Rae8 23. Qd3 Bxb2 24. R1c2 Rd8 25. Qe2 Bxa3 26. Rc7 Qd5 27. e4 Qd4+ 0-1

[Event "JPN Colts/10 email"]
[Site "ICCF email"]
[Date "2016.12.01"]
[Round "?"]
[White "Takahashi, Yoshihiro"]
[Black "Ooka, Koji"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "1687"]
[BlackElo "1636"]
[PlyCount "74"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. Bb5 Bd6 5. 0-0 0-0 6. d4 Nxd4 7. Nxd4 exd4 8. Qxd4 Re8 9. Bg5 Bxh2+ 10. Kh1 Be5 11. Qd3 h6 12. Bd2 c6 13. Ba4 b5 14. Bb3 a5 15. a3 Ba6 16. Qh3 b4 17. Rfe1 bxc3 18. bxc3 Bxc3 19. Bxc3 Rxe4 20. Qf3 Qe7 21. Rxe4 Qxe4 22. Qg3 Nh5 23. Qh3 Qg6 24. Re1 a4 25. Bxa4 Bc4 26. Bb3 Bxb3 27. cxb3 Rxa3 28. Qxd7 Nf4 29. g3 Rxb3 30. Qd2 Qf5 31. gxf4 Qh3+ 32. Kg1 Rxc3 33. Re3 Rxe3 34. fxe3 Qg3+ 35. Kf1 Qf3+ 36. Qf2 Qxf2+ 37. Kxf2 c5 0-1

[Event "olm21 sf01 email"]
[Site "ICCF email"]
[Date "2016.09.01"]
[Round "?.6"]
[White "Destruels Moreno, Vicente"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2391"]
[BlackElo "1601"]
[PlyCount "39"]
[EventDate "2016.??.??"]
[EventType "team-tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]
[WhiteTeam "Spain"]
[BlackTeam "Japan"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "JPN"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nd5 Be7 6. Bf4 Nxd5 7. exd5 Nb4 8. Bc4 b5 9. Bb3 0-0 10. a3 Na6 11. 0-0 Bf6 12. Nxd4 Bxd4 13. Qxd4 d6 14. Ba2 Bf5 15. b4 c5 16. dxc6 Bxc2 17. Rac1 Bg6 18. Bxd6 Re8 19. c7 Nxc7 20. Rxc7 1-0

[Event "olm21 sf01 email"]
[Site "ICCF email"]
[Date "2016.09.01"]
[Round "?.6"]
[White "Miettinen, Kristo S"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2443"]
[BlackElo "1601"]
[PlyCount "83"]
[EventDate "2016.??.??"]
[EventType "team-tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]
[WhiteTeam "US of America"]
[BlackTeam "Japan"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "JPN"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. Nc3 dxe5 7. Nxe5 Bg7 8. Be3 0-0 9. Qb3 Nc6 10. Rd1 Nxe5 11. dxe5 Qe8 12. c5 Be6 13. Qb4 Nd7 14. f4 Qc8 15. Bc4 a5 16. Qb3 Bxc4 17. Qxc4 Nb8 18. 0-0 Nc6 19. h3 Rd8 20. Rxd8+ Nxd8 21. Rd1 Nc6 22. b3 g5 23. Nd5 Qe6 24. Nxc7 Qxc4 25. bxc4 Rc8 26. Nd5 gxf4 27. Bxf4 Kf8 28. Nb6 Rd8 29. Rxd8+ Nxd8 30. Kf2 Ke8 31. Kf3 Ne6 32. c6 bxc6 33. Na4 Nxf4 34. Kxf4 e6 35. Nb2 Bh6+ 36. Ke4 Bd2 37. c5 Kf8 38. Nc4 Bb4 39. a4 Bxc5 40. Nxa5 Ke8 41. Nxc6 Kd7 42. Na5 1-0

[Event "olm21 sf01 email"]
[Site "ICCF email"]
[Date "2016.09.01"]
[Round "?.6"]
[White "Ooka, Koji"]
[Black "Baufays, Hugues"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "1601"]
[BlackElo "2342"]
[PlyCount "90"]
[EventDate "2016.??.??"]
[EventType "team-tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]
[WhiteTeam "Japan"]
[BlackTeam "Belgium"]
[WhiteTeamCountry "JPN"]
[BlackTeamCountry "BEL"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Nc3 d6 6. Re1 Bd7 7. Bxc6 Bxc6 8. d4 cxd4 9. Nxd4 Nf6 10. Nxc6 bxc6 11. Bg5 Rb8 12. Qf3 Nd7 13. b3 0-0 14. Bd2 Qc7 15. Rad1 Nc5 16. Qe3 Ne6 17. Qg3 Rfd8 18. Na4 Rd7 19. f4 Rbd8 20. Be3 c5 21. f5 Nd4 22. Qf2 Qc6 23. Bg5 Qb7 24. Rd3 h6 25. Bc1 Nc6 26. Bb2 Ne5 27. Rg3 Rf8 28. c4 h5 29. Qf4 Kh7 30. Bxe5 dxe5 31. Qf2 Rd4 32. Nxc5 Qc6 33. Nd3 Rxe4 34. Rge3 Rxe3 35. Qxe3 gxf5 36. Nxe5 Qc7 37. Qf3 e6 38. Qxh5+ Kg8 39. Nf3 Rd8 40. Qg5 Rd3 41. h4 a6 42. Kh1 a5 43. Rc1 Kh7 44. Qh5+ Bh6 45. Ng5+ Kg7 0-1

[Event "olm21 sf01 email"]
[Site "ICCF email"]
[Date "2016.09.01"]
[Round "?.6"]
[White "Ooka, Koji"]
[Black "Das, Satyajit"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1601"]
[BlackElo "2196"]
[PlyCount "58"]
[EventDate "2016.??.??"]
[EventType "team-tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]
[WhiteTeam "Japan"]
[BlackTeam "India"]
[WhiteTeamCountry "JPN"]
[BlackTeamCountry "IND"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nf6 5. g3 Nc6 6. Bg2 Be7 7. 0-0 0-0 8. b3 Qc7 9. Bb2 d4 10. c3 e5 11. Qc2 Ne8 12. cxd4 cxd4 13. Rac1 Be6 14. a3 a5 15. Nc4 f6 16. Nfd2 Rc8 17. a4 Nd6 18. Qd1 Nxc4 19. Nxc4 Rb8 20. f4 b5 21. Nxa5 Qxa5 22. Rxc6 Bd7 23. Rc2 bxa4 24. bxa4 Qxa4 25. Qe2 Qb3 26. Rf2 Rbc8 27. fxe5 Bg4 28. Bf3 Bxf3 29. Rxf3 Rxc2 0-1

[Event "olm21 sf01 email"]
[Site "ICCF email"]
[Date "2016.09.01"]
[Round "?.6"]
[White "Ooka, Koji"]
[Black "Garcia, Hamlet Danilo"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1601"]
[BlackElo "2128"]
[PlyCount "57"]
[EventDate "2016.??.??"]
[EventType "team-tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]
[WhiteTeam "Japan"]
[BlackTeam "Nicaragua"]
[WhiteTeamCountry "JPN"]
[BlackTeamCountry "NCA"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Qxe2+ 8. Bxe2 h6 9. 0-0 Bd7 10. Nd4 Nc6 11. Nxc6 Bxc6 12. b4 d5 13. b5 Bd7 14. a4 Bb4 15. Bb2 0-0 16. Nd1 Be6 17. Rb1 Be7 18. Ne3 c5 19. Be5 Nd7 20. Bg3 Nb6 21. a5 Na4 22. Be5 d4 23. Nd1 f6 24. Bg3 c4 25. dxc4 Rac8 26. Re1 Bf5 27. Bd3 Bxd3 28. cxd3 Kf7 29. f3 1/2-1/2

[Event "olm21 sf01 email"]
[Site "ICCF email"]
[Date "2016.09.01"]
[Round "?.6"]
[White "Ooka, Koji"]
[Black "Otspere, Urmas"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1601"]
[BlackElo "2306"]
[PlyCount "60"]
[EventDate "2016.??.??"]
[EventType "team-tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]
[WhiteTeam "Japan"]
[BlackTeam "Estonia"]
[WhiteTeamCountry "JPN"]
[BlackTeamCountry "EST"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bc1 Nf6 9. Bc4 e6 10. 0-0 Be7 11. Be3 b5 12. Be2 Bb7 13. f3 Nbd7 14. Qe1 b4 15. Na4 d5 16. Qg3 dxe4 17. Qxg7 Rg8 18. Qxh6 Qa5 19. b3 0-0-0 20. Rac1 Rg6 21. c3 Kb8 22. Qh3 Rdg8 23. cxb4 Bxb4 24. Kh1 Nd5 25. Nf5 exf5 26. Qxf5 Nxe3 27. Qxd7 Rxg2 28. Qxf7 Rxh2+ 29. Kxh2 Rh8+ 30. Kg1 Qg5+ 0-1

[Event "olm21 sf01 email"]
[Site "ICCF email"]
[Date "2016.09.01"]
[Round "?.6"]
[White "Sorcnik, Klemen"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "2318"]
[BlackElo "1601"]
[PlyCount "41"]
[EventDate "2016.??.??"]
[EventType "team-tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]
[WhiteTeam "Slovenia"]
[BlackTeam "Japan"]
[WhiteTeamCountry "SLO"]
[BlackTeamCountry "JPN"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. c4 Nb6 8. Nc3 0-0 9. Be3 d5 10. c5 N6d7 11. b4 a6 12. Ne1 Bxe2 13. Nxe2 Nc6 14. Nd3 b6 15. Qa4 b5 16. Qc2 Bg5 17. f4 Bh6 18. a4 f5 19. axb5 axb5 20. Nc3 Rxa1 21. Rxa1 1-0

[Event "olm21 sf01 email"]
[Site "ICCF email"]
[Date "2016.09.01"]
[Round "?.6"]
[White "Szijarto, Attila"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "2077"]
[BlackElo "1601"]
[PlyCount "41"]
[EventDate "2016.??.??"]
[EventType "team-tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]
[WhiteTeam "Hungary"]
[BlackTeam "Japan"]
[WhiteTeamCountry "HUN"]
[BlackTeamCountry "JPN"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. c4 Nb6 8. h3 Bh5 9. Nc3 0-0 10. Be3 Nc6 11. exd6 cxd6 12. d5 exd5 13. Nxd5 Bxf3 14. Bxb6 axb6 15. Bxf3 Ne5 16. Qb3 Bg5 17. Rfe1 Nxf3+ 18. Qxf3 Ra4 19. b3 Ra6 20. a4 Ra5 21. Rad1 1-0

[Event "olm21 sf01 email"]
[Site "ICCF email"]
[Date "2016.09.01"]
[Round "?.6"]
[White "Wharam, John"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2449"]
[BlackElo "1601"]
[PlyCount "65"]
[EventDate "2016.??.??"]
[EventType "team-tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]
[WhiteTeam "England"]
[BlackTeam "Japan"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "JPN"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Be2 Bf5 7. Nc3 e6 8. Nf3 Be7 9. 0-0 0-0 10. Be3 d5 11. c5 N6d7 12. b4 Nc6 13. b5 Na5 14. h3 Nc4 15. Bf4 Nf6 16. Re1 h6 17. Qb3 Na5 18. Qa4 b6 19. c6 Ne8 20. Nd1 Bd6 21. Bxd6 Qxd6 22. Ne3 Be4 23. Ne5 Nc7 24. Rac1 Rfc8 25. Nd7 Rd8 26. Qd1 Qb4 27. Ng4 Nxb5 28. Ndf6+ gxf6 29. Bxb5 Qxb5 30. Qd2 Bf5 31. Qxh6 Bxg4 32. Re3 Qb2 33. Rg3 1-0

[Event "JPN-AUS email"]
[Site "ICCF email"]
[Date "2016.07.01"]
[Round "?.10"]
[White "Jacobs, Gregory"]
[Black "Ooka, Koji"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1479"]
[BlackElo "1601"]
[PlyCount "52"]
[EventDate "2016.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[EventCountry "AUS"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]
[WhiteTeam "Australia"]
[BlackTeam "Japan"]
[WhiteTeamCountry "AUS"]
[BlackTeamCountry "JPN"]

1. e4 Nf6 2. d3 e5 3. h3 d5 4. Nd2 Bd6 5. Qf3 Be6 6. Be2 0-0 7. g4 Nc6 8. g5 Nd4 9. Qg3 Nxc2+ 10. Kd1 Nxa1 11. gxf6 Qxf6 12. Ngf3 Qe7 13. a3 d4 14. Nc4 Nb3 15. Bd2 Nxd2 16. Kxd2 Bxc4 17. dxc4 f6 18. b4 b6 19. h4 a5 20. h5 axb4 21. Nh4 Rxa3 22. Qg1 Ra2+ 23. Kd3 Rfa8 24. c5 R8a3+ 25. Kc4 Rc2+ 26. Kd5 Rxc5# 0-1

[Event "JPN-AUS email"]
[Site "ICCF email"]
[Date "2016.07.01"]
[Round "?.9"]
[White "Liles, Chris"]
[Black "Ooka, Koji"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1607"]
[BlackElo "1601"]
[PlyCount "60"]
[EventDate "2016.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[EventCountry "AUS"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]
[WhiteTeam "Australia"]
[BlackTeam "Japan"]
[WhiteTeamCountry "AUS"]
[BlackTeamCountry "JPN"]

1. d4 f5 2. Nf3 e6 3. e3 Be7 4. Bd3 Nf6 5. Nbd2 d6 6. 0-0 0-0 7. Re1 d5 8. Ne5 Nbd7 9. f4 Nxe5 10. fxe5 Ne4 11. Nxe4 dxe4 12. Bc4 c6 13. Bd2 b5 14. Bb3 a5 15. a4 b4 16. c3 Ba6 17. Bxe6+ Kh8 18. Rf1 Bxf1 19. Qxf1 bxc3 20. bxc3 Rb8 21. c4 Bb4 22. Bxb4 Rxb4 23. c5 f4 24. exf4 Qxd4+ 25. Kh1 Rxf4 26. Qc1 e3 27. Qg1 e2 28. Re1 Qd3 29. g3 Qe4+ 30. Qg2 Rf1+ 0-1

[Event "JPN-AUS email"]
[Site "ICCF email"]
[Date "2016.07.01"]
[Round "?.10"]
[White "Ooka, Koji"]
[Black "Jacobs, Gregory"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1601"]
[BlackElo "1479"]
[PlyCount "67"]
[EventDate "2016.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[EventCountry "AUS"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]
[WhiteTeam "Japan"]
[BlackTeam "Australia"]
[WhiteTeamCountry "JPN"]
[BlackTeamCountry "AUS"]

1. e4 e5 2. Nf3 d6 3. Bc4 h6 4. Nc3 c6 5. 0-0 Qf6 6. d4 a6 7. Be3 Be7 8. Qd3 Bd7 9. dxe5 dxe5 10. Nd2 b5 11. Bb3 c5 12. Nd5 Qd6 13. Nxe7 Qxe7 14. Qd5 Nc6 15. Bxc5 Qf6 16. Qd6 Nge7 17. Qxf6 gxf6 18. Bxe7 Kxe7 19. Bd5 Rac8 20. Bxc6 Rxc6 21. c3 h5 22. Rfd1 f5 23. Nf3 fxe4 24. Nxe5 Rd6 25. Rxd6 Be6 26. Rxa6 Rh7 27. Nc6+ Kf6 28. Re1 Kf5 29. Nd4+ Ke5 30. Nxe6 fxe6 31. f3 Rh6 32. Rxe4+ Kf5 33. Ra5 e5 34. Rxb5 1-0

[Event "JPN-AUS email"]
[Site "ICCF email"]
[Date "2016.07.01"]
[Round "?.9"]
[White "Ooka, Koji"]
[Black "Liles, Chris"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1601"]
[BlackElo "1607"]
[PlyCount "67"]
[EventDate "2016.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[EventCountry "AUS"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]
[WhiteTeam "Japan"]
[BlackTeam "Australia"]
[WhiteTeamCountry "JPN"]
[BlackTeamCountry "AUS"]

1. e4 e6 2. e5 d5 3. d4 c5 4. c3 Nc6 5. Nf3 Nge7 6. Bg5 Qb6 7. Qd2 Nf5 8. g4 h6 9. Bf4 g5 10. gxf5 gxf4 11. fxe6 Bxe6 12. Qxf4 Qxb2 13. Bd3 Qxa1 14. Qd2 c4 15. 0-0 cxd3 16. Na3 Qxf1+ 17. Kxf1 Bxa3 18. Qxd3 0-0-0 19. Nh4 Rhg8 20. Nf5 Rg5 21. Nd6+ Bxd6 22. exd6 Rxd6 23. Qh7 Bh3+ 24. Ke1 Rg1+ 25. Kd2 Rf6 26. Qh8+ Nd8 27. Qxf6 h5 28. Qh4 Bg4 29. Qg5 Rg2 30. Qxd5 Rxf2+ 31. Kc1 Rxh2 32. Qc5+ Kd7 33. Qxa7 Bf3 34. Qa4+ 1/2-1/2

[Event "JPN Colts/09 email"]
[Site "ICCF email"]
[Date "2016.06.26"]
[Round "?"]
[White "Kanesaka, Ritsu"]
[Black "Ooka, Koji"]
[Result "0-1"]
[ECO "B05"]
[WhiteElo "1695"]
[BlackElo "1510"]
[PlyCount "60"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. Qd3 0-0 8. Nbd2 dxe5 9. dxe5 Nf4 10. Qe4 Nxe2+ 11. Qxe2 Nc6 12. Re1 Qd5 13. b3 Bb4 14. Rd1 Rad8 15. Bb2 Bxd2 16. Ba3 Bxf3 17. Rxd2 Bxe2 18. Rxd5 Rxd5 19. Bxf8 Kxf8 20. Re1 Rd1 21. Rxd1 Bxd1 22. c3 Nxe5 23. Kf1 Nd3 24. g3 Ke7 25. f4 f6 26. Kg2 Nc1 27. a3 Nxb3 28. h4 c5 29. Kh3 Nd2 30. g4 Nb1 0-1

[Event "JPN Colts/09 email"]
[Site "ICCF email"]
[Date "2016.06.26"]
[Round "?"]
[White "Miyata, Kazunori"]
[Black "Ooka, Koji"]
[Result "0-1"]
[ECO "A89"]
[WhiteElo "1495"]
[BlackElo "1510"]
[PlyCount "46"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 f5 2. g3 g6 3. Bg2 Nf6 4. Nf3 d6 5. 0-0 Bg7 6. c4 0-0 7. Nc3 Nc6 8. d5 Na5 9. Qd3 e5 10. dxe6 Bxe6 11. Rd1 Bxc4 12. Qc2 Qd7 13. e3 Nc6 14. b3 Nb4 15. Qb1 Ne4 16. Nxe4 fxe4 17. Nd2 Bd3 18. Qxd3 Nxd3 19. Ba3 Bxa1 20. Rxa1 Rxf2 21. Kh1 Rxd2 22. h4 Rd1+ 23. Rxd1 Nf2+ 0-1

[Event "JPN Colts/09 email"]
[Site "ICCF email"]
[Date "2016.06.26"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Kanesaka, Ritsu"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "1510"]
[BlackElo "1695"]
[PlyCount "49"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 Bd6 6. 0-0 0-0 7. Bxc6 dxc6 8. dxe5 Bxe5 9. Nxe5 Qe7 10. Bf4 Be6 11. Nc3 Rad8 12. Qf3 Qb4 13. Bg5 Qe7 14. Qg3 Rd6 15. Nd3 Rfd8 16. e5 Ne4 17. Bxe7 Nxg3 18. hxg3 Rxd3 19. cxd3 Rxd3 20. Rfd1 Rd7 21. Rxd7 Bxd7 22. Rd1 Be8 23. Rd8 h6 24. Rxe8+ Kh7 25. Rc8 1-0

[Event "JPN Colts/09 email"]
[Site "ICCF email"]
[Date "2016.06.26"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Miyata, Kazunori"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "1510"]
[BlackElo "1495"]
[PlyCount "59"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 0-0 10. Qg3 Nh5 11. Qe3 Nc6 12. Nxc6 bxc6 13. Bxe7 Qxe7 14. e5 d5 15. g4 Nxf4 16. Qxf4 Rb8 17. g5 g6 18. h4 Rd8 19. h5 c5 20. hxg6 fxg6 21. Qf6 Qf7 22. Qxd8+ Kg7 23. Qf6+ Qxf6 24. gxf6+ Kg8 25. Nxd5 exd5 26. Rxd5 Bf5 27. Rxc5 Rc8 28. Bc4+ Kh8 29. Rxc8+ Bxc8 30. Rd1 1-0

[Event "JPN Colts/09 email"]
[Site "ICCF email"]
[Date "2016.06.26"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Saitou, Tomoe"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "1510"]
[BlackElo "1437"]
[PlyCount "31"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 bxc6 5. 0-0 d6 6. d4 Nf6 7. dxe5 Nxe4 8. exd6 cxd6 9. Re1 Qe7 10. Nd4 c5 11. Nc6 Qh4 12. g3 Qf6 13. Rxe4+ Be6 14. c4 g6 15. Nc3 Bg7 16. Rf4 1-0

[Event "JPN Colts/09 email"]
[Site "ICCF email"]
[Date "2016.06.26"]
[Round "?"]
[White "Saitou, Tomoe"]
[Black "Ooka, Koji"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1437"]
[BlackElo "1510"]
[PlyCount "40"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. d3 d4 4. Nce2 c5 5. Bf4 Nc6 6. Nf3 Nh5 7. Qd2 Nxf4 8. Nxf4 g6 9. g3 Bh6 10. Bg2 e5 11. 0-0 exf4 12. gxf4 f6 13. Rae1 0-0 14. Qe2 Bxf4 15. Nh4 Ne5 16. Nf3 Bg4 17. h3 Bh5 18. c3 Qc8 19. Qc2 Nxf3+ 20. Bxf3 Qxh3 0-1

[Event "W-ch WS/O/898 email"]
[Site "ICCF email"]
[Date "2016.05.23"]
[Round "?"]
[White "Buchmann, Hans Peter"]
[Black "Ooka, Koji"]
[Result "1/2-1/2"]
[ECO "A83"]
[WhiteElo "1765"]
[BlackElo "1510"]
[PlyCount "44"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. Bg5 e6 4. e4 fxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Qh5+ g6 8. Qh6 Nc6 9. Nf3 Nxd4 10. Nxd4 Bxd4 11. 0-0-0 Bf6 12. h4 Qe7 13. Nxf6+ Qxf6 14. Bd3 Qf8 15. Qe3 d6 16. h5 g5 17. Qxg5 Qe7 18. Qa5 c6 19. Rd2 0-0 20. Qa3 c5 21. h6 Kh8 22. g3 e5 1/2-1/2

[Event "W-ch WS/O/898 email"]
[Site "ICCF email"]
[Date "2016.05.23"]
[Round "?"]
[White "Lindegaard, Peter"]
[Black "Ooka, Koji"]
[Result "1/2-1/2"]
[ECO "B05"]
[WhiteElo "1853"]
[BlackElo "1510"]
[PlyCount "36"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 c6 6. 0-0 Bxf3 7. Bxf3 dxe5 8. dxe5 e6 9. c4 Nb6 10. Qxd8+ Kxd8 11. b3 N8d7 12. Bb2 Kc7 13. Nd2 Be7 14. Ne4 Nc5 15. Nxc5 Bxc5 16. Rfd1 Rhd8 17. Bh5 Rd7 18. Bc3 g6 1/2-1/2

[Event "W-ch WS/O/898 email"]
[Site "ICCF email"]
[Date "2016.05.23"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Harman, Kenneth B"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "1510"]
[BlackElo "1650"]
[PlyCount "65"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. d4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. dxe5 dxe5 8. 0-0 Qe8 9. b4 c6 10. b5 Qe7 11. a4 Rd8 12. Ba3 Qc7 13. Qb3 Bf8 14. Bxf8 Rxf8 15. h3 Nbd7 16. Qa3 Re8 17. Rad1 Nf8 18. bxc6 bxc6 19. Qd6 Ne6 20. Nxe5 Qa5 21. Qxc6 Qxc3 22. Ng4 Bb7 23. Qxb7 Nc5 24. Qc7 Nxg4 25. Bxg4 Nxe4 26. Bf3 f5 27. Rd7 Rac8 28. Qxa7 h5 29. Bxe4 Rxe4 30. Qa6 Qxc4 31. Qxg6+ Kf8 32. Qg7+ Ke8 33. Rfd1 1-0

[Event "W-ch WS/O/898 email"]
[Site "ICCF email"]
[Date "2016.05.23"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Steenlandt, Alain"]
[Result "0-1"]
[ECO "B99"]
[WhiteElo "1510"]
[BlackElo "1766"]
[PlyCount "48"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. a3 Bb7 12. Bxf6 Nxf6 13. g5 Nd7 14. h4 Rc8 15. Bg2 Nb6 16. f5 e5 17. Nb3 d5 18. Qd3 d4 19. Nd5 Nxd5 20. exd5 Qd6 21. Rhe1 0-0 22. Qe4 Rfe8 23. Qxe5 Bxg5+ 24. hxg5 Rxe5 0-1

[Event "W-ch WS/O/898 email"]
[Site "ICCF email"]
[Date "2016.05.23"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Zordick, Milon"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1510"]
[PlyCount "96"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 Nc6 5. d4 Bg4 6. Be2 cxd4 7. cxd4 e6 8. Nc3 Bb4 9. 0-0 Qa5 10. Bd2 Nge7 11. a3 Bxc3 12. Bxc3 Qc7 13. Ne5 Bxe2 14. Qxe2 0-0 15. Nxc6 Nxc6 16. Qg4 g6 17. d5 exd5 18. Rad1 Qd6 19. Rd3 Rfd8 20. Rfd1 Qe6 21. Qf4 Rd6 22. Re3 Qd7 23. Red3 d4 24. h3 a5 25. b3 Rd8 26. Bb2 Qe7 27. a4 Re6 28. Qc1 Re4 29. Kf1 Qe5 30. Re1 Rxe1+ 31. Qxe1 Qd5 32. f3 Rb8 33. Qe4 Qxe4 34. fxe4 Re8 35. e5 Rxe5 36. Bxd4 Rd5 37. Ke2 Nxd4+ 38. Ke3 Nc2+ 39. Ke2 Rxd3 40. Kxd3 Ne1+ 41. Kc4 Nxg2 42. Kb5 f5 43. Kxa5 f4 44. Kb6 f3 45. Kxb7 f2 46. a5 f1Q 47. Kb6 Ne3 48. a6 Qf6+ 0-1

[Event "W-ch WS/O/898 email"]
[Site "ICCF email"]
[Date "2016.05.23"]
[Round "?"]
[White "Rozumek, Krzysztof"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1787"]
[BlackElo "1510"]
[PlyCount "73"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. Nf3 f5 2. b3 Nf6 3. Bb2 e6 4. e3 Be7 5. Be2 0-0 6. 0-0 c5 7. c4 b6 8. d4 Bb7 9. Nc3 cxd4 10. exd4 Ne4 11. Ne5 d6 12. Nd3 Bg5 13. f4 Bf6 14. Nxe4 Bxe4 15. Qd2 Nc6 16. Qe3 Rc8 17. Rad1 d5 18. Nf2 g6 19. Rd2 Qe7 20. Rfd1 Qg7 21. h4 h5 22. g3 Qe7 23. a3 Na5 24. Rc1 Rc7 25. c5 bxc5 26. dxc5 Bxb2 27. Rxb2 Qf6 28. Qd2 Nc6 29. b4 Nd4 30. Qc3 Nxe2+ 31. Rxe2 Qxc3 32. Rxc3 Rb8 33. Nh3 d4 34. Rc1 d3 35. Rd2 Kg7 36. Ng5 Rd8 37. Nxe6+ 1-0

[Event "DEN-JPN email"]
[Site "ICCF email"]
[Date "2016.04.18"]
[Round "?.16"]
[White "Giessing, Klaus Grenaa"]
[Black "Ooka, Koji"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1520"]
[BlackElo "1510"]
[PlyCount "84"]
[EventDate "2016.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Denmark"]
[BlackTeam "Japan"]
[WhiteTeamCountry "DEN"]
[BlackTeamCountry "JPN"]

1. d4 f5 2. Bf4 e6 3. Nc3 Nf6 4. Nb5 d6 5. Nf3 Be7 6. g3 Nc6 7. Bg2 Ne4 8. d5 a6 9. Na3 exd5 10. Nd4 Bg5 11. Nxc6 bxc6 12. Bxg5 Qxg5 13. f3 Nc5 14. f4 Qf6 15. c3 0-0 16. Qd2 Ne4 17. Qd3 Rb8 18. Qc2 Re8 19. 0-0 Qe6 20. Rfe1 c5 21. Rad1 Bd7 22. b3 a5 23. Qd3 a4 24. c4 dxc4 25. Nxc4 Bb5 26. Qc2 Bxc4 27. bxc4 Rb4 28. Rc1 Qf6 29. Rb1 Rxb1 30. Qxb1 Qd4+ 31. e3 Qxc4 32. Bf1 Qb4 33. Qc1 Rb8 34. Bc4+ Kf8 35. a3 Qd2 36. Qa1 Qf2+ 37. Kh1 Rb2 38. Be2 Rxe2 39. Rxe2 Qxe2 40. Qc1 Nf2+ 41. Kg1 Nh3+ 42. Kh1 Qf3# 0-1

[Event "DEN-JPN email"]
[Site "ICCF email"]
[Date "2016.04.18"]
[Round "?.16"]
[White "Ooka, Koji"]
[Black "Giessing, Klaus Grenaa"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "1510"]
[BlackElo "1520"]
[PlyCount "71"]
[EventDate "2016.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Japan"]
[BlackTeam "Denmark"]
[WhiteTeamCountry "JPN"]
[BlackTeamCountry "DEN"]

1. c4 Nf6 2. b4 e6 3. a3 d5 4. e3 Nc6 5. Nf3 Be7 6. d4 h6 7. Bd3 b6 8. Nbd2 Bb7 9. 0-0 0-0 10. Qc2 dxc4 11. Nxc4 Qd5 12. e4 Nxd4 13. exd5 Nxc2 14. Bxc2 Bxd5 15. Nfe5 a6 16. Bb2 b5 17. Na5 Bd6 18. Nec6 Nh5 19. g3 f5 20. Be5 Rf7 21. Bxd6 cxd6 22. Bb3 Nf6 23. Bxd5 Nxd5 24. Rfe1 Re8 25. Rad1 Kf8 26. Nd4 Nc7 27. Nb7 Rd7 28. Rc1 Kf7 29. Rxc7 Rxc7 30. Nxd6+ Kg6 31. Nxe8 Re7 32. Rxe6+ Rxe6 33. Nxe6 Kf7 34. N8xg7 Kf6 35. Nxf5 Kxf5 36. Nc7 1-0

[Event "JPN Colts/08 email"]
[Site "ICCF email"]
[Date "2015.12.01"]
[Round "?"]
[White "Kanesaka, Ritsu"]
[Black "Ooka, Koji"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1685"]
[BlackElo "1479"]
[PlyCount "72"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf5 d5 7. exd5 Bxf5 8. Bc4 Nd4 9. 0-0 Bxc2 10. Bb5+ Nd7 11. Qg4 Nxb5 12. Nxb5 Bd3 13. Nd6+ Bxd6 14. Qxg7 Qf6 15. Qg3 Bxf1 16. Kxf1 e4 17. Qg4 Qe5 18. g3 0-0-0 19. Qe2 Qxd5 20. Qc2+ Kb8 21. Be3 Qd3+ 22. Qxd3 exd3 23. Rd1 Bc5 24. Rxd3 Bxe3 25. Rxe3 Rhe8 26. Rc3 Rc8 27. Rd3 Rc2 28. Rxd7 Rf8 29. Kg2 Rxb2 30. Kf3 Rxa2 31. h4 a5 32. Rd3 b5 33. Rb3 b4 34. g4 Ra3 35. Re3 Rxe3+ 36. Kxe3 b3 0-1

[Event "JPN Colts/08 email"]
[Site "ICCF email"]
[Date "2015.12.01"]
[Round "?"]
[White "Miyata, Kazunori"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "1465"]
[BlackElo "1479"]
[PlyCount "55"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Bb5+ c6 6. Ba4 Qa5+ 7. Nbd2 Qxa4 8. 0-0 Bxf3 9. Qxf3 Qxc2 10. exd6 Nd7 11. Re1 e6 12. Ne4 N7f6 13. Bg5 Nxe4 14. Rxe4 Bxd6 15. Rae1 0-0 16. R4e2 Qc4 17. b3 Qxd4 18. a4 Qc3 19. Qxc3 Nxc3 20. Rd2 Ne4 21. Rxe4 Bc5 22. b4 f5 23. Rf4 e5 24. Rh4 h6 25. Be3 Rfd8 26. bxc5 Rxd2 27. Bxd2 Rd8 28. Be1 1-0

[Event "JPN Colts/08 email"]
[Site "ICCF email"]
[Date "2015.12.01"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Kanesaka, Ritsu"]
[Result "0-1"]
[ECO "C57"]
[WhiteElo "1479"]
[BlackElo "1685"]
[PlyCount "36"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nf3 Nc6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Nc3 Be6 8. Nxd5 Bxd5 9. Bxd5+ Qxd5 10. 0-0 Be7 11. d3 Rhf8 12. Be3 Kg8 13. a3 Rad8 14. c4 Qe6 15. Qb3 b6 16. Rae1 Qg6 17. Qb5 Na5 18. Qxe5 Bd6 0-1

[Event "JPN Colts/08 email"]
[Site "ICCF email"]
[Date "2015.12.01"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Miyata, Kazunori"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "1479"]
[BlackElo "1465"]
[PlyCount "31"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Nd4 5. Nce2 Nf6 6. e5 Ng4 7. Nxd4 cxd4 8. Qxg4 Bg7 9. Qxd4 d6 10. Nf3 d5 11. 0-0 0-0 12. d3 b6 13. Qh4 Bb7 14. Bh6 Bxh6 15. Qxh6 d4 16. Ng5 1-0

[Event "JPN Colts/08 email"]
[Site "ICCF email"]
[Date "2015.12.01"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Saitou, Tomoe"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1479"]
[BlackElo "1494"]
[PlyCount "53"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Bc5 5. c3 0-0 6. d4 exd4 7. cxd4 Bb6 8. e5 Nd5 9. Bc4 Nde7 10. d5 Na5 11. Bd3 d6 12. b4 Nxd5 13. bxa5 Bxa5 14. exd6 cxd6 15. Ng5 Qf6 16. Qa4 Bb6 17. Qh4 h6 18. Nf3 Qxh4 19. Nxh4 Bd7 20. Bd2 Rae8 21. Nc3 Nf6 22. Bf5 Bxf5 23. Nxf5 Re6 24. Rae1 Rfe8 25. Rd1 Ng4 26. Nd5 Bc5 27. Nc7 1-0

[Event "JPN Colts/08 email"]
[Site "ICCF email"]
[Date "2015.12.01"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Sugimura, Keiko"]
[Result "1-0"]
[ECO "C20"]
[WhiteElo "1479"]
[BlackElo "1633"]
[PlyCount "35"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Qh5 Nf6 3. Qxe5+ Be7 4. Nc3 Nc6 5. Qf4 0-0 6. e5 Nh5 7. Qa4 Nxe5 8. d4 Nc6 9. Be3 d5 10. 0-0-0 Be6 11. Nf3 a6 12. Ne5 Nxe5 13. dxe5 Bd7 14. Qd4 Bc6 15. Be2 Bg5 16. Bxg5 Qxg5+ 17. Kb1 Nf4 18. h4 1-0

[Event "JPN Colts/08 email"]
[Site "ICCF email"]
[Date "2015.12.01"]
[Round "?"]
[White "Saitou, Tomoe"]
[Black "Ooka, Koji"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1494"]
[BlackElo "1479"]
[PlyCount "66"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nf3 Bf5 5. Bc4 Nb6 6. 0-0 Nxc4 7. d3 Nb6 8. d4 e6 9. Bg5 f6 10. Bh4 Nc6 11. Re1 Nb4 12. Re3 Nc4 13. Re2 Nxb2 14. Qb1 Nc4 15. a3 Nc6 16. Qb5 Nd6 17. Qb3 Be7 18. d5 Na5 19. Qa4+ c6 20. dxc6 Nxc6 21. Nd4 0-0 22. Nxe6 Bxe6 23. Rxe6 Nf5 24. Bg3 Nxg3 25. hxg3 Nd4 26. Rd1 Bc5 27. Qc4 Qa5 28. Re8+ Kh8 29. Rxf8+ Rxf8 30. a4 Qxc3 31. Qxc3 Ne2+ 32. Kf1 Nxc3 33. Rd7 Nxa4 0-1

[Event "JPN Colts/08 email"]
[Site "ICCF email"]
[Date "2015.12.01"]
[Round "?"]
[White "Sugimura, Keiko"]
[Black "Ooka, Koji"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1633"]
[BlackElo "1479"]
[PlyCount "24"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Qd3 e5 7. Nf5 g6 8. Ne3 Bg7 9. Be2 0-0 10. 0-0 Nc6 11. Qc4 Na5 12. Qb5 axb5 0-1

[Event "WS TT/4/15/3 email"]
[Site "ICCF email"]
[Date "2015.06.01"]
[Round "?"]
[White "Greig, Steve"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2223"]
[PlyCount "19"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb4 6. c3 N4c6 7. Ng5 dxe5 8. Bxf7+ Kd7 9. Qg4+ e6 10. Qxe6# 1-0

[Event "WS TT/4/15/3 email"]
[Site "ICCF email"]
[Date "2015.06.01"]
[Round "?"]
[White "Mills, Terence"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "1495"]
[PlyCount "11"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Nc3 Nxc3 6. bxc3 1-0

[Event "WS TT/4/15/3 email"]
[Site "ICCF email"]
[Date "2015.06.01"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Greig, Steve"]
[Result "0-1"]
[ECO "B03"]
[BlackElo "2223"]
[PlyCount "30"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Bg5 h6 5. Bh4 dxe5 6. dxe5 c6 7. Bc4 Qb6 8. Bxd5 cxd5 9. Qxd5 g5 10. Bg3 Qxb2 11. e6 Bxe6 12. Qe5 Qc1+ 13. Ke2 Bc4+ 14. Kf3 Nc6 15. Qc7 Qd1+ 0-1

[Event "WS TT/4/15/3 email"]
[Site "ICCF email"]
[Date "2015.06.01"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Mills, Terence"]
[Result "0-1"]
[ECO "B03"]
[BlackElo "1495"]
[PlyCount "12"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Bc4 Nb6 5. Bxf7+ Kxf7 6. Nf3 e6 0-1

[Event "WS TT/4/15/3 email"]
[Site "ICCF email"]
[Date "2015.06.01"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Peeters, Lionel"]
[Result "0-1"]
[ECO "B03"]
[BlackElo "2044"]
[PlyCount "20"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Bb5+ c6 5. exd6 cxb5 6. dxe7 Bxe7 7. Nc3 Nxc3 8. bxc3 Qc7 9. Qe2 Qxc3+ 10. Bd2 Qxa1+ 0-1

[Event "WS TT/4/15/3 email"]
[Site "ICCF email"]
[Date "2015.06.01"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Popov, Evgeny Nikolaevich"]
[Result "0-1"]
[ECO "B05"]
[BlackElo "2324"]
[PlyCount "28"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Bb5+ c6 6. Bc4 dxe5 7. dxe5 e6 8. Nc3 Nd7 9. Ng5 Bxd1 10. Bxd5 Bxc2 11. Bxe6 Nxe5 12. Nxf7 Nxf7 13. Bxf7+ Kxf7 14. 0-0 Bb4 0-1

[Event "WS TT/4/15/3 email"]
[Site "ICCF email"]
[Date "2015.06.01"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Sorokin, Mikhail"]
[Result "0-1"]
[ECO "B03"]
[BlackElo "2013"]
[PlyCount "24"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 Bf5 6. Nc3 dxe5 7. dxe5 Nc6 8. Qxd8+ Rxd8 9. Nb5 Nb4 10. Nxc7+ Kd7 11. Nb5 Nc2+ 12. Kf2 Nxa1 0-1

[Event "WS TT/4/15/3 email"]
[Site "ICCF email"]
[Date "2015.06.01"]
[Round "?"]
[White "Peeters, Lionel"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "2044"]
[PlyCount "23"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 Nc6 6. c4 Ndb4 7. a3 Nxd4 8. Nxd4 Bxe2 9. Nxe2 dxe5 10. axb4 Qxd1+ 11. Kxd1 0-0-0+ 12. Kc2 1-0

[Event "WS TT/4/15/3 email"]
[Site "ICCF email"]
[Date "2015.06.01"]
[Round "?"]
[White "Popov, Evgeny Nikolaevich"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2324"]
[PlyCount "29"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 Bf5 6. c4 Nb4 7. Qa4+ N4c6 8. d5 b5 9. Qxb5 Qd6 10. Nxc6 Nxc6 11. Qxc6+ Qxc6 12. dxc6 e6 13. Nc3 Bb4 14. Bd2 0-0 15. 0-0-0 1-0

[Event "WS TT/4/15/3 email"]
[Site "ICCF email"]
[Date "2015.06.01"]
[Round "?"]
[White "Sorokin, Mikhail"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2013"]
[PlyCount "29"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bf5 5. Bd3 Qd7 6. 0-0 Nb4 7. Bxf5 Qxf5 8. exd6 exd6 9. Qe1+ Qe6 10. Qxb4 d5 11. Qxb7 Nc6 12. Re1 Qxe1+ 13. Nxe1 Nxd4 14. Qxa8+ Kd7 15. Qxd5+ 1-0

[Event "JPN-SWE email"]
[Site "ICCF email"]
[Date "2015.05.01"]
[Round "?.17"]
[White "Enoksson, Bjoern"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1596"]
[PlyCount "55"]
[EventDate "2015.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "SWEDEN"]
[BlackTeam "Japan"]
[WhiteTeamCountry "SWE"]
[BlackTeamCountry "JPN"]

1. d4 f5 2. Nf3 Nf6 3. Bg5 d6 4. Bxf6 exf6 5. e3 d5 6. c4 Nc6 7. cxd5 Nb4 8. Bb5+ Bd7 9. Bc4 Bd6 10. a3 Na6 11. 0-0 0-0 12. Nc3 f4 13. Ne4 b5 14. Ba2 Bg4 15. h3 Bxf3 16. Qxf3 fxe3 17. fxe3 c5 18. dxc6+ Kh8 19. d5 f5 20. Nxd6 Qxd6 21. Qf4 Qxf4 22. Rxf4 Rad8 23. Raf1 b4 24. e4 Nc5 25. Rxf5 Kg8 26. Rxf8+ Rxf8 27. d6+ Kh8 28. Rxf8# 1-0

[Event "JPN-SWE email"]
[Site "ICCF email"]
[Date "2015.05.01"]
[Round "?.17"]
[White "Ooka, Koji"]
[Black "Enoksson, Bjoern"]
[Result "0-1"]
[ECO "B23"]
[BlackElo "1596"]
[PlyCount "52"]
[EventDate "2015.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Japan"]
[BlackTeam "SWEDEN"]
[WhiteTeamCountry "JPN"]
[BlackTeamCountry "SWE"]

1. e4 c5 2. Nc3 d6 3. Nd5 e6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. Nc3 Nc6 7. d3 Nf6 8. Nf3 Be7 9. Bg5 0-0 10. Bxf6 Bxf6 11. Nb5 Nd4 12. Nbxd4 cxd4 13. 0-0 Rac8 14. Qe2 e5 15. Rac1 Rc7 16. Qd2 Qa4 17. a3 Rfc8 18. Qb4 Qxb4 19. axb4 Rxc2 20. Ra1 a6 21. Rab1 R2c6 22. g3 Rb6 23. Rfc1 Rbc6 24. Rc4 Rxc4 25. Nd2 Rc1+ 26. Rxc1 Rxc1+ 0-1

[Event "JPN-NED email"]
[Site "ICCF email"]
[Date "2015.04.20"]
[Round "?.11"]
[White "Hoekstra, I Jntze"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "A80"]
[PlyCount "31"]
[EventDate "2015.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Japan"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "JPN"]

1. d4 f5 2. Bf4 e6 3. e3 Nf6 4. Nf3 g6 5. c4 Bg7 6. Nc3 d6 7. c5 d5 8. Nb5 c6 9. Nc7+ Qxc7 10. Bxc7 Na6 11. Bxa6 bxa6 12. Ne5 Ne4 13. f3 Bxe5 14. Bxe5 0-0 15. fxe4 dxe4 16. h4 1-0

[Event "JPN-NED email"]
[Site "ICCF email"]
[Date "2015.04.20"]
[Round "?.11"]
[White "Ooka, Koji"]
[Black "Hoekstra, I Jntze"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "26"]
[EventDate "2015.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]
[WhiteTeam "Japan"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "JPN"]
[BlackTeamCountry "NED"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Bb5+ c6 5. Be2 Nf6 6. d4 Bf5 7. Bg5 Nbd7 8. Nf3 e6 9. Ne5 Nxe5 10. dxe5 Qxe5 11. Bxf6 gxf6 12. 0-0 Bd6 13. Bd3 Qxh2# 0-1

[Event "JPN-PER email"]
[Site "ICCF email"]
[Date "2015.01.25"]
[Round "?.9"]
[White "Medina, Tito"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1835"]
[PlyCount "27"]
[EventDate "2015.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Peru"]
[BlackTeam "Japan"]
[WhiteTeamCountry "PER"]
[BlackTeamCountry "JPN"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 c6 6. Nf3 g6 7. Bc4 e6 8. Ne4 Bg7 9. Nd6+ Ke7 10. Ng5 Qa5 11. Qg4 Rf8 12. Bxd5 f5 13. Qh4 Kd8 14. Nxe6# 1-0

[Event "JPN-PER email"]
[Site "ICCF email"]
[Date "2015.01.25"]
[Round "?.9"]
[White "Ooka, Koji"]
[Black "Medina, Tito"]
[Result "0-1"]
[ECO "A03"]
[BlackElo "1835"]
[PlyCount "44"]
[EventDate "2015.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Japan"]
[BlackTeam "Peru"]
[WhiteTeamCountry "JPN"]
[BlackTeamCountry "PER"]

1. f4 Nf6 2. d3 d5 3. Nf3 g6 4. Nc3 Bg7 5. e3 c5 6. Be2 Nc6 7. 0-0 0-0 8. Ne5 Rb8 9. e4 Nd4 10. Nxd5 Nxd5 11. exd5 Qxd5 12. Bf3 Qd6 13. Nc4 Qa6 14. Bd2 Be6 15. Ba5 Bxc4 16. dxc4 Qxa5 17. c3 Nxf3+ 18. Qxf3 b5 19. Qc6 b4 20. Rfe1 bxc3 21. bxc3 Bxc3 22. Rxe7 Bxa1 0-1

[Event "JPN-VEN email"]
[Site "ICCF email"]
[Date "2015.01.01"]
[Round "?.6"]
[White "Medina, Gilberto"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "A80"]
[PlyCount "103"]
[EventDate "2015.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Venezuela"]
[BlackTeam "Japan"]
[WhiteTeamCountry "VEN"]
[BlackTeamCountry "JPN"]

1. d4 f5 2. e3 Nf6 3. f3 g6 4. h4 Bg7 5. Nh3 0-0 6. g4 d6 7. g5 Nh5 8. Rg1 f4 9. Nxf4 Nxf4 10. exf4 Nc6 11. c3 e5 12. Bc4+ Kh8 13. fxe5 dxe5 14. dxe5 Qxd1+ 15. Kxd1 Nxe5 16. b3 Nxf3 17. Rh1 Ne5 18. Na3 Nxc4 19. Nxc4 Bxc3 20. Rb1 Bg4+ 21. Kc2 Bd4 22. Bb2 Rf2+ 23. Kc1 Bxb2+ 24. Rxb2 Rxb2 25. Kxb2 Re8 26. Na5 Bf3 27. Rc1 b6 28. Nc4 c5 29. a4 Re2+ 30. Kc3 Rh2 31. Nd6 Rxh4 32. Nc8 Rh3 33. Kb2 Rg3 34. Rc3 Rg2+ 35. Ka3 Rxg5 36. Rxf3 Rh5 37. Nxa7 Rf5 38. Rd3 h5 39. Nc8 h4 40. Nxb6 Rh5 41. Rh3 g5 42. a5 g4 43. Rh1 h3 44. a6 c4 45. b4 h2 46. a7 Rh3+ 47. Ka4 g3 48. a8Q+ Kg7 49. Qg2 c3 50. Qxh3 c2 51. Qxg3+ Kf6 52. Qf2+ 1-0

[Event "JPN-VEN email"]
[Site "ICCF email"]
[Date "2015.01.01"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Medina, Gilberto"]
[Result "1-0"]
[ECO "C40"]
[PlyCount "21"]
[EventDate "2015.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]
[WhiteTeam "Japan"]
[BlackTeam "Venezuela"]
[WhiteTeamCountry "JPN"]
[BlackTeamCountry "VEN"]

1. e4 e5 2. Nf3 f6 3. Bc4 c6 4. Nc3 Nh6 5. 0-0 b6 6. d4 Ba6 7. Bxa6 Nxa6 8. dxe5 fxe5 9. Nxe5 Nf7 10. Bg5 Qxg5 11. Qxd7# 1-0

[Event "JPN Colts/06 email"]
[Site "ICCF email"]
[Date "2014.12.01"]
[Round "?"]
[White "Miyata, Kazunori"]
[Black "Ooka, Koji"]
[Result "0-1"]
[ECO "C30"]
[WhiteElo "1510"]
[PlyCount "76"]
[EventDate "2014.??.??"]
[EventType "tourn (corr)"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 Bg4 5. fxe5 dxe5 6. Qa4+ Nc6 7. Qb3 b6 8. Bb5 Nf6 9. Bxc6+ Bd7 10. Nxe5 0-0 11. d4 Nxe4 12. dxc5 Bxc6 13. 0-0 Bd5 14. Qc2 Nxc5 15. Nd2 Qe7 16. Re1 Qg5 17. Re2 Rae8 18. Ne4 Bxe4 19. Qd1 Qxe5 20. Qf1 Bd3 21. Rxe5 Bxf1 22. Rxe8 Rxe8 23. Kxf1 Nd3 24. Be3 Rxe3 25. b4 h6 26. b5 Nc5 27. Re1 Rxe1+ 28. Kxe1 a6 29. bxa6 Nxa6 30. g4 Nc5 31. Kd2 Ne4+ 32. Kd3 Nf2+ 33. Kd4 Nxg4 34. h4 f5 35. Kd3 g5 36. h5 Nf6 37. Ke3 g4 38. Kf2 Ne4+ 0-1

[Event "JPN Colts/06 email"]
[Site "ICCF email"]
[Date "2014.12.01"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Kanesaka, Ritsu"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1648"]
[PlyCount "46"]
[EventDate "2014.??.??"]
[EventType "tourn (corr)"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nc6 4. 0-0 Nf6 5. Ng5 Ne5 6. d3 e6 7. Nc3 Be7 8. d4 Nxc4 9. e5 Nd5 10. Qh5 g6 11. Qd1 cxd4 12. Nxf7 Kxf7 13. Ne4 Ke8 14. Qxd4 Nxe5 15. Bg5 Bxg5 16. Qa4+ Nc6 17. Rad1 Be7 18. Rfe1 Nb6 19. Qb3 e5 20. Rxd6 Bxd6 21. Nxd6+ Qxd6 22. Rxe5+ Qxe5 23. c3 Qe1# 0-1

[Event "JPN Colts/06 email"]
[Site "ICCF email"]
[Date "2014.12.01"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Saitou, Tomoe"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1518"]
[PlyCount "52"]
[EventDate "2014.??.??"]
[EventType "tourn (corr)"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 Nc6 4. Nc3 e6 5. e4 dxe4 6. Bxe4 Bb4 7. Bxc6+ bxc6 8. Bg5 0-0 9. Nf3 Ba6 10. Ne5 Qd6 11. Qf3 c5 12. 0-0-0 cxd4 13. Bxf6 gxf6 14. Qxf6 Bxc3 15. Qg5+ Kh8 16. Rd3 f6 17. Qg3 Bxd3 18. Nxd3 Rg8 19. Qxd6 cxd6 20. bxc3 dxc3 21. Nf4 e5 22. Ne6 Rac8 23. Rd1 Rxg2 24. Rxd6 Rxf2 25. Rd7 h5 26. Kb1 Rf1+ 0-1

[Event "JPN Colts/06 email"]
[Site "ICCF email"]
[Date "2014.12.01"]
[Round "?"]
[White "Sugimura, Keiko"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1709"]
[PlyCount "23"]
[EventDate "2014.??.??"]
[EventType "tourn (corr)"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nd4 5. Bc4 h6 6. Nxe5 Bc5 7. Nxf7 d6 8. Nxd8 Nxe4 9. Nf7 Be6 10. Nxh8 Bxc4 11. Qh5+ Kd8 12. d3 1-0

[Event "JPN Colts/06 email"]
[Site "ICCF email"]
[Date "2014.12.01"]
[Round "?"]
[White "Tanabe, Koumei"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "C68"]
[PlyCount "37"]
[EventDate "2014.??.??"]
[EventType "tourn (corr)"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 h5 7. d3 Bb4 8. hxg4 hxg4 9. Ng5 Be7 10. Qxg4 Nh6 11. Qg3 Bxg5 12. Bxg5 Qd6 13. Nd2 Qg6 14. Qxe5+ Kf8 15. Qe7+ Kg8 16. Bf4 Ng4 17. f3 Qh5 18. fxg4 Re8 19. Qxe8+ 1-0

[Event "ICCF FM/2461"]
[Site "ICCF email"]
[Date "2014.11.08"]
[Round "?"]
[White "Donahue, Joseph"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "A85"]
[PlyCount "43"]
[EventDate "2014.??.??"]
[EventType "match (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 e6 3. c4 Nf6 4. Nc3 g6 5. a3 Bg7 6. Bg5 0-0 7. e3 b6 8. Bd3 Qe8 9. 0-0 Bb7 10. Nb5 Qd8 11. Re1 a6 12. Nc3 d6 13. e4 Nbd7 14. e5 dxe5 15. dxe5 Bxf3 16. Qxf3 Nc5 17. Bc2 Qd2 18. Bxd2 Nce4 19. exf6 Bxf6 20. Bxe4 fxe4 21. Qxe4 Rf7 22. Qxa8+ 1-0

[Event "ICCF FM/2461"]
[Site "ICCF email"]
[Date "2014.11.08"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Donahue, Joseph"]
[Result "0-1"]
[ECO "B95"]
[PlyCount "44"]
[EventDate "2014.??.??"]
[EventType "match (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bg5 Be7 8. 0-0 0-0 9. Qd3 b5 10. Nxe6 bxc4 11. Qd5 Nxd5 12. Nxd8 Bxg5 13. exd5 Bxd8 14. Rae1 Nd7 15. Ne4 Bc7 16. Ng5 Nb6 17. Ne6 fxe6 18. dxe6 Re8 19. e7 Bf5 20. Re2 Kf7 21. Rfe1 Nd5 22. Rd1 Rxe7 0-1

[Event "JPN WL010 email"]
[Site "ICCF email"]
[Date "2014.10.18"]
[Round "?"]
[White "Ooka, Koji"]
[Black "Tanabe, Koumei"]
[Result "0-1"]
[ECO "C65"]
[PlyCount "72"]
[EventDate "2014.??.??"]
[EventType "match (corr)"]
[EventRounds "2"]
[EventCountry "JPN"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Be7 5. 0-0 0-0 6. d4 exd4 7. Nxd4 Nxd4 8. Qxd4 c6 9. Be2 d5 10. Bg5 Nxe4 11. Nxe4 dxe4 12. Qxd8 Bxd8 13. Bxd8 Rxd8 14. Rad1 Be6 15. h3 g6 16. b3 a5 17. Rxd8+ Rxd8 18. Rd1 Rxd1+ 19. Bxd1 g5 20. Bg4 f5 21. Be2 f4 22. Bg4 Bxg4 23. hxg4 Kf7 24. Kh2 Ke6 25. Kg1 Kd5 26. c3 b5 27. Kf1 b4 28. c4+ Kd4 29. Ke1 Kd3 30. Kd1 e3 31. fxe3 fxe3 32. Ke1 e2 33. a4 bxa3 34. g3 Ke3 35. c5 a2 36. b4 a1Q# 0-1

[Event "JPN WL010 email"]
[Site "ICCF email"]
[Date "2014.10.18"]
[Round "?"]
[White "Tanabe, Koumei"]
[Black "Ooka, Koji"]
[Result "1-0"]
[ECO "B03"]
[PlyCount "55"]
[EventDate "2014.??.??"]
[EventType "match (corr)"]
[EventRounds "2"]
[EventCountry "JPN"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 dxe5 6. fxe5 Bf5 7. Nc3 e6 8. Be3 g6 9. Be2 Bb4 10. Nf3 Nc6 11. 0-0 0-0 12. Bh6 Re8 13. h3 a6 14. g4 Bc2 15. Qxc2 Nxd4 16. Qe4 Nxe2+ 17. Qxe2 Bc5+ 18. Kg2 Re7 19. Ne4 Na4 20. Rad1 Rd7 21. Rxd7 Qxd7 22. Nf6+ Kh8 23. Nxd7 Rd8 24. Nxc5 Nxc5 25. Ng5 Nd3 26. Nxf7+ Kg8 27. Nxd8 Nxe5 28. Rf8# 1-0

