[Event "corr"]
[Site "corr"]
[Date "1918.??.??"]
[Round "?"]
[White "Ritzen, Anton"]
[Black "Gruenfeld, Ernst"]
[Result "0-1"]
[ECO "A52"]
[PlyCount "30"]
[EventDate "1918.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nbd2 f6 7. e6 dxe6 8. h3 e5 9. hxg4 exf4 10. Qc2 Bxg4 11. 0-0-0 Qe7 12. Rxh7 0-0-0 13. Rxh8 Rxh8 14. a3 Bd6 15. Ne4 Be5 0-1

[Event "corr"]
[Site "corr"]
[Date "1918.??.??"]
[Round "?"]
[White "Ritzen, Anton"]
[Black "Gruenfeld, Ernst"]
[Result "1-0"]
[ECO "C49"]
[PlyCount "55"]
[EventDate "1918.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. 0-0 0-0 6. d3 d6 7. Bg5 Bg4 8. Nd5 Nd4 9. Bc4 Ba5 10. Kh1 c6 11. Nxf6+ gxf6 12. Bh6 d5 13. exd5 cxd5 14. c3 Re8 15. cxd4 dxc4 16. h3 Be6 17. dxc4 Bxc4 18. Nxe5 Be6 19. Qh5 Qxd4 20. f4 Qe4 21. f5 Bd5 22. Rf3 Be1 23. Ng4 Qd4 24. Rf4 Bxg2+ 25. Kxg2 Qxb2+ 26. Nf2 Kh8 27. Rxe1 Rxe1 28. Qxf7 1-0

[Event "corr"]
[Site "corr"]
[Date "1917.??.??"]
[Round "?"]
[White "Ritzen, Anton"]
[Black "Schaefer"]
[Result "0-1"]
[ECO "D32"]
[PlyCount "34"]
[EventDate "1917.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. dxc5 d4 6. Na4 Nc6 7. a3 Bf5 8. b4 Qd5 9. f3 Qe6 10. Kf2 0-0-0 11. Nb2 Nf6 12. Qe1 Ne5 13. e4 dxe3+ 14. Bxe3 Neg4+ 15. fxg4 Ne4+ 16. Ke2 Bxg4+ 17. Nf3 Qa6+ 0-1

[Event "corr"]
[Site "corr"]
[Date "1916.??.??"]
[Round "?"]
[White "Gruenfeld, Ernst"]
[Black "Ritzen, Anton"]
[Result "1-0"]
[ECO "C64"]
[PlyCount "77"]
[EventDate "1916.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Bd7 8. 0-0 Nge7 9. Qb3 Bxc3 10. bxc3 0-0 11. Bd3 b6 12. Nd2 Be6 13. Qc2 f5 14. f3 d5 15. Ba3 g6 16. Rae1 a5 17. exd5 Bxd5 18. c4 Bf7 19. d5 Nb4 20. Qc3 Nexd5 21. cxd5 Nxd5 22. Qb2 Re8 23. Bb5 Rxe1 24. Rxe1 Qg5 25. Nc4 Nb4 26. Ne5 Qf6 27. Nxf7 Qxb2 28. Nh6+ Kg7 29. Nxf5+ gxf5 30. Bxb2+ Kf8 31. a3 Na6 32. Re5 Nc5 33. Rxf5+ Ke7 34. Rh5 Rc8 35. Rxh7+ Kd6 36. Rh6+ Kd5 37. Rh5+ Ke6 38. Bc4+ Kd7 39. g4 1-0

[Event "corr"]
[Site "corr"]
[Date "1916.??.??"]
[Round "?"]
[White "Ritzen, Anton"]
[Black "Gruenfeld, Ernst"]
[Result "0-1"]
[ECO "C66"]
[PlyCount "76"]
[EventDate "1916.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. d4 Bd7 6. 0-0 Be7 7. Bxc6 Bxc6 8. Qd3 exd4 9. Nxd4 Bd7 10. f4 0-0 11. e5 dxe5 12. fxe5 Ng4 13. Qe4 Bc5 14. h3 Bc6 15. Qxg4 Qxd4+ 16. Kh1 Qxg4 17. hxg4 Rae8 18. Bf4 Re6 19. Rad1 f6 20. Rfe1 fxe5 21. Rxe5 Rxf4 22. Rxc5 Rxg4 23. Rd2 g6 24. Nd5 Rd6 25. b4 Bxd5 26. Rcxd5 Rxd5 27. Rxd5 Rxb4 28. Rd8+ Kf7 29. Rd7+ Kf6 30. Rxc7 h5 31. a3 Rb2 32. Kh2 a5 33. Kh3 g5 34. g3 b6 35. Rc6+ Kf5 36. Rh6 Rxc2 37. Rxb6 g4+ 38. Kh4 Rh2# 0-1

[Event "corr"]
[Site "corr"]
[Date "1914.??.??"]
[Round "?"]
[White "Ball"]
[Black "Ritzen, Anton"]
[Result "1-0"]
[ECO "C64"]
[PlyCount "17"]
[EventDate "1914.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 Nge7 5. c3 f5 6. d4 Bb6 7. d5 fxe4 8. Ng5 Nb8 9. Ne6 1-0

[Event "corr"]
[Site "corr"]
[Date "1914.??.??"]
[Round "?"]
[White "Ritzen, Anton"]
[Black "Gruenfeld, Ernst"]
[Result "0-1"]
[ECO "C27"]
[PlyCount "96"]
[EventDate "1914.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. d3 Be7 7. f4 Bf6 8. Nge2 g6 9. Qf3 Nf5 10. 0-0 d6 11. fxe5 Nxe5 12. Qf4 h5 13. Nd5 Bg7 14. d4 Nc6 15. Qe4+ Kf8 16. c3 Bd7 17. Ne3 Nce7 18. Qf3 c6 19. Ng3 Be6 20. Nexf5 Nxf5 21. Nxf5 Bxf5 22. Bc2 Qd7 23. Bxf5 Qxf5 24. Qg3 Qe6 25. Bf4 Kg8 26. Rae1 h4 27. Qg5 Qxa2 28. Bxd6 Rh5 29. Qe7 Rb5 30. b4 Bf8 31. Qf6 Bxd6 32. Qxd6 a5 33. h3 axb4 34. Qf6 bxc3 35. Re4 Rb1 36. Rxh4 Rxf1+ 37. Kxf1 Qb1+ 38. Kf2 Qf5+ 39. Qxf5 gxf5 40. Ke3 Ra2 41. Kd3 Rxg2 42. Kxc3 Kg7 43. d5 cxd5 44. Rb4 Rg3+ 45. Kd4 Rxh3 46. Kxd5 Re3 47. Rxb7 Kg6 48. Kd4 Re8 0-1

[Event "corr"]
[Site "corr"]
[Date "1913.??.??"]
[Round "?"]
[White "Gruenfeld, Ernst"]
[Black "Ritzen, Anton"]
[Result "1-0"]
[ECO "C64"]
[PlyCount "37"]
[EventDate "1913.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. Nc3 Nge7 5. Nxe5 Nxe5 6. d4 c6 7. Be2 Bd6 8. dxe5 Bxe5 9. 0-0 0-0 10. f4 Bc7 11. Bc4 b5 12. Bb3 a5 13. a3 Bb6+ 14. Kh1 Ba6 15. Rf3 c5 16. Rh3 c4 17. Qh5 h6 18. f5 f6 19. Bxh6 1-0

[Event "Match corr"]
[Site "corr"]
[Date "1913.??.??"]
[Round "1"]
[White "Ritzen, Anton"]
[Black "Gruenfeld, Ernst"]
[Result "0-1"]
[ECO "C27"]
[PlyCount "92"]
[EventDate "1914.??.??"]
[EventType "match (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Be7 6. d3 Nc6 7. f4 Bf6 8. Nge2 g6 9. Qf3 Nf5 10. 0-0 d6 11. fxe5 Nxe5 12. Qf4 h5 13. Nd5 Bg7 14. d4 Nc6 15. Qe4+ Kf8 16. c3 Na5 17. Bc2 c6 18. Ne3 Nxe3 19. Bxe3 f5 20. Qf3 Nc4 21. Bf4 Kf7 22. b3 Nb6 23. c4 Be6 24. Rae1 d5 25. c5 Nd7 26. Bd6 Re8 27. h3 h4 28. Qf4 Qf6 29. Rf3 Kg8 30. Qd2 Bf7 31. Bf4 Rxe2 32. Qxe2 Qxd4+ 33. Be3 Qb2 34. a4 Re8 35. Rb1 Qc3 36. Qf2 Ne5 37. Rf4 Nd3 38. Qd2 Nxf4 39. Bxf4 Qxd2 40. Bxd2 Re2 41. Rd1 Bd4+ 42. Kh1 Bxc5 43. Bd3 Re8 44. b4 Bd6 45. Rb1 d4 46. b5 c5 0-1

[Event "corr"]
[Site "corr"]
[Date "1912.??.??"]
[Round "?"]
[White "Ritzen, Anton"]
[Black "Gruenfeld, Ernst"]
[Result "1-0"]
[ECO "C80"]
[PlyCount "85"]
[EventDate "1912.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. a4 Nxd4 9. Nxd4 exd4 10. Nc3 Nf6 11. Qxd4 c5 12. Qe5+ Be6 13. Bxd5 Nxd5 14. Rd1 Qd6 15. Rxd5 Qxe5 16. Rxe5 Bd6 17. Re1 b4 18. Ne4 Be7 19. Bg5 f6 20. Be3 Rc8 21. Bxc5 Kf7 22. Bxe7 Kxe7 23. c3 b3 24. Ng3 Kf7 25. Ne2 Rhe8 26. Nd4 Rcd8 27. f3 h6 28. Re3 Bc4 29. Rxe8 Rxe8 30. Kf2 h5 31. Re1 Rd8 32. f4 g6 33. Nf3 Rd5 34. Re4 Bd3 35. Rb4 Bc2 36. Nd4 Ra5 37. g3 Ke8 38. Nxb3 Bxb3 39. Rxb3 Rxa4 40. Ra3 Rxa3 41. bxa3 Kd7 42. Ke3 Kc6 43. Kd4 1-0

[Event "Koelner SK jubilee 50 Main-B G1"]
[Site "Cologne"]
[Date "1911.07.22"]
[Round "9"]
[White "Wenzel, Ewald"]
[Black "Ritzen, Anton"]
[Result "0-1"]
[ECO "C80"]
[PlyCount "40"]
[EventDate "1911.07.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. Re1 Nc5 7. Bxc6 dxc6 8. Rxe5+ Be7 9. Qe1 Be6 10. d3 Qd6 11. Nc3 0-0-0 12. Bf4 Bf6 13. b4 Nd7 14. Re4 Qf8 15. a3 Bd5 16. Re3 Bxf3 17. Rxf3 g5 18. Bg3 Re8 19. Qd2 g4 20. Rxf6 Nxf6 0-1

[Event "Koelner SK jubilee 50 Main-B G1"]
[Site "Cologne"]
[Date "1911.07.21"]
[Round "8"]
[White "Ritzen, Anton"]
[Black "Rausch, Konstantin"]
[Result "0-1"]
[ECO "D33"]
[PlyCount "36"]
[EventDate "1911.07.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[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 c5 4. Nf3 Nc6 5. cxd5 exd5 6. g3 Nf6 7. Bg2 Be6 8. dxc5 Bxc5 9. Ng5 0-0 10. 0-0 h6 11. Nxe6 fxe6 12. Qc2 Qe7 13. e4 Ng4 14. Nd1 Nd4 15. Qd2 Ne5 16. Kh1 Ndf3 17. Qe2 d4 18. Bf4 d3 0-1

