[Event "USA Bishop corr"]
[Site "USA"]
[Date "1994.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Barrett, R."]
[Result "1/2-1/2"]
[ECO "E76"]
[PlyCount "53"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Bd3 Bg4 7. Nf3 Nc6 8. Be3 Nh5 9. Ne2 e5 10. fxe5 Bxf3 11. gxf3 dxe5 12. d5 Nd4 13. Nxd4 exd4 14. Bf2 Nf4 15. Qc2 Qg5 16. Rg1 Qh6 17. Bg3 Be5 18. Bxf4 Qxf4 19. Qe2 Qxh2 20. 0-0-0 Qxe2 21. Bxe2 Bf4+ 22. Kb1 Be3 23. Rg2 Rfe8 24. Rf1 c5 25. Bd3 Bf4 26. Rh1 Re5 27. Rg4 1/2-1/2

[Event "USA corr"]
[Site "USA"]
[Date "1994.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Luoma, E."]
[Result "1-0"]
[ECO "E76"]
[PlyCount "45"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Bd3 c5 7. d5 a6 8. a4 Bd7 9. Nf3 e6 10. 0-0 Qc7 11. e5 Ne8 12. Qe2 a5 13. h3 Na6 14. Nb5 Qb8 15. Bd2 Nac7 16. Nc3 b6 17. g4 Na6 18. Nb5 f5 19. g5 Nb4 20. Bc3 Bh8 21. dxe6 Bxe6 22. exd6 Ng7 23. Bxg7 1-0

[Event "corr"]
[Site "corr"]
[Date "1989.??.??"]
[Round "?"]
[White "Van Arkel, Jan"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "67"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. c4 Nf6 4. e3 d5 5. cxd5 Nxd5 6. a3 Bd6 7. Qc2 0-0 8. Nf3 Qe7 9. Bd3 Kh8 10. Be4 Be6 11. Qd3 f5 12. Bxd5 e4 13. Bxe4 fxe4 14. Qxe4 Qf7 15. Nc3 Bxb3 16. 0-0 Rae8 17. Qh4 Qg6 18. Qg5 Qf7 19. Nb5 Rd8 20. Nxd6 Rxd6 21. Qh4 Qg6 22. Qg3 Qh6 23. Bc3 Bd5 24. Ng5 Rg6 25. f4 Qh5 26. Rf2 h6 27. Qh3 Qxh3 28. Nxh3 Rf5 29. d3 Bf7 30. Rb2 Rc5 31. Rc1 b6 32. Nf2 Ne7 33. d4 Rc4 34. e4 1-0

[Event "Steinitz GBR tour sim"]
[Site "Great Britain"]
[Date "1874.??.??"]
[Round "?"]
[White "Steinitz, William"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C25"]
[PlyCount "71"]
[EventDate "1874.??.??"]
[EventType "simul"]
[EventRounds "1"]
[EventCountry "GBR"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. d4 Qh4+ 5. Ke2 Qh5+ 6. Nf3 g5 7. Nd5 Kd8 8. Kf2 d6 9. h4 Bg7 10. c3 h6 11. Bd3 Qg6 12. hxg5 hxg5 13. Rxh8 Bxh8 14. g3 f5 15. Qh1 Bg7 16. Nxg5 Qxg5 17. Bxf4 Qg6 18. Qh4+ Nce7 19. Bg5 Qf7 20. Nxe7 Nxe7 21. exf5 Kd7 22. g4 Ng8 23. Re1 Kc6 24. d5+ Kb6 25. Be3+ c5 26. Qd8+ Qc7 27. Qxg8 Bxf5 28. Qxa8 Bxd3 29. Qe8 Be5 30. Bf4 Bb5 31. Qf8 Qh7 32. Bxe5 dxe5 33. Qf6+ Ka5 34. Qxe5 Qh4+ 35. Qg3 Qf6+ 36. Kg1 1-0

[Event "Berlin"]
[Site "Berlin"]
[Date "1870.??.??"]
[Round "?"]
[White "Zukertort, Johannes Hermann"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C51"]
[PlyCount "66"]
[EventDate "1870.??.??"]
[EventType "game"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. 0-0 d6 8. cxd4 Bb6 9. d5 Na5 10. Bb2 Ne7 11. Bd3 0-0 12. Nc3 Ng6 13. Ne2 c5 14. Qd2 f6 15. Kh1 Bc7 16. Rac1 Rb8 17. Ng3 b5 18. Nf5 c4 19. Be2 b4 20. Bd4 c3 21. Qd1 Bb6 22. g4 Ne5 23. Bxb6 Qxb6 24. N3d4 Nac4 25. Ne6 Rf7 26. Rg1 Qxf2 27. Rg2 Qb6 28. Bxc4 Nxc4 29. Qe1 Rbb7 30. g5 fxg5 31. Rxg5 Kh8 32. Qh4 Ne5 33. Rcg1 Nf3 1-0

[Event "Berlin Cafe Jacoby"]
[Site "Berlin"]
[Date "1868.07.10"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Schulten, John William"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "43"]
[EventDate "1868.03.??"]
[EventType "game"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. 0-0 b5 8. Bxb5 dxc3 9. Ba3 Nge7 10. Bxc6 Nxc6 11. Qd5 Qf6 12. e5 Qe6 13. Qd3 Bb4 14. Bxb4 Nxb4 15. Qxc3 Rb8 16. Nd4 Qb6 17. Nf5 d6 18. Nxg7+ Kf8 19. e6 Rg8 20. Qf6 Bxe6 21. Nxe6+ Ke8 22. Re1 1-0

[Event "Berlin Cafe Baviere"]
[Site "Berlin"]
[Date "1868.04.17"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Anderssen, Adolf"]
[Result "1-0"]
[ECO "C51"]
[PlyCount "67"]
[EventDate "1868.01.??"]
[EventType "game"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. 0-0 d6 8. cxd4 Bb6 9. Bb2 Nf6 10. d5 Ne7 11. Nc3 0-0 12. Nd4 c6 13. Rc1 cxd5 14. exd5 Bg4 15. Qd3 Rc8 16. Ne4 Ng6 17. f4 Bf5 18. Nxf6+ Qxf6 19. Qd2 Nh4 20. Kh1 Qg6 21. Nxf5 Nxf5 22. Rf3 Rfe8 23. Bd3 Rxc1+ 24. Qxc1 f6 25. h3 Qh5 26. Bb5 Re7 27. g4 Qh4 28. Qc8+ Kf7 29. Qxf5 Qe1+ 30. Bf1 Re3 31. Qd7+ Kg6 32. f5+ Kh6 33. g5+ Kh5 34. Qxg7 1-0

[Event "Berlin Cafe Jacoby"]
[Site "Berlin"]
[Date "1868.04.15"]
[Round "?"]
[White "Anderssen, Adolf"]
[Black "Dufresne, Jean"]
[Result "1/2-1/2"]
[ECO "B43"]
[PlyCount "154"]
[EventDate "1868.03.??"]
[EventType "game"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Bb4 6. Bd3 Ne7 7. 0-0 Ng6 8. Kh1 Nc6 9. Nxc6 dxc6 10. f4 0-0 11. f5 exf5 12. exf5 Ne5 13. f6 gxf6 14. Bh6 Re8 15. Ne4 Bg4 16. Be2 Qxd1 17. Nxf6+ Kh8 18. Bxd1 Bxd1 19. Nxe8 Bxc2 20. Bg7+ Kg8 21. Bxe5 Rxe8 22. Bf6 Re2 23. a3 Be7 24. Bxe7 Rxe7 25. Rfe1 Be4 26. Kg1 f5 27. Kf2 Kf7 28. Rad1 Kf6 29. Rd6+ Ke5 30. Rh6 Rd7 31. Re2 Kf4 32. Rh5 Kg4 33. Rh3 Kg5 34. Rg3+ Kf6 35. h4 b5 36. Rg5 Rd8 37. g4 h6 38. Rh5 Kg6 39. b4 Rd3 40. Re3 Rd2+ 41. Kf1 Rd1+ 42. Ke2 Rd5 43. Rc3 Rd6 44. Ke3 Rd1 45. Rxf5 Bxf5 46. Rxc6+ Kf7 47. gxf5 Rh1 48. Rxh6 Rh3+ 49. Kf4 Rxa3 50. h5 Ra4 51. Kg5 Rxb4 52. Rxa6 Rb2 53. Ra7+ Kg8 54. Rb7 b4 55. Kf6 b3 56. Rb8+ Kh7 57. Kf7 Rf2 58. f6 b2 59. Ke7 Re2+ 60. Kf8 Kh8 61. f7 Kh7 62. Rb6 Rc2 63. Ke7 Re2+ 64. Kf6 Rf2+ 65. Ke7 Re2+ 66. Kf8 Rc2 67. Rb7 Re2 68. Rb8 Kh8 69. Rb3 Kh7 70. Rb6 Rc2 71. Ke7 Re2+ 72. Kf6 Rf2+ 73. Ke6 Re2+ 74. Kd5 Rf2 75. Rb7 Kg7 76. h6+ Kxh6 77. Ke6 Kg7 1/2-1/2

[Event "corr"]
[Site "corr"]
[Date "1867.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "De Koning, AJ."]
[Result "0-1"]
[ECO "C39"]
[PlyCount "56"]
[EventDate "1867.??.??"]
[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. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Bc4 d5 7. exd5 Bd6 8. d4 Nh5 9. Bb5+ Kf8 10. Nc3 Ng3 11. Rg1 Qf6 12. Ne2 Nxe2 13. Qxe2 h5 14. g3 f3 15. Rf1 a6 16. Bd3 Nd7 17. Nxd7+ Bxd7 18. Qf2 Re8+ 19. Kd1 Bf5 20. Re1 Rxe1+ 21. Kxe1 Bxd3 22. cxd3 Kg7 23. Be3 Re8 24. Kd2 Qe7 25. a3 Bxg3 26. Bh6+ Kxh6 27. Qxg3 Qe3+ 28. Kc3 Re4 0-1

[Event "corr"]
[Site "corr"]
[Date "1867.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "De Koning, AJ."]
[Result "1/2-1/2"]
[ECO "C39"]
[PlyCount "60"]
[EventDate "1867.??.??"]
[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. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Bc4 d5 7. exd5 Bd6 8. d4 Nh5 9. Bb5+ c6 10. dxc6 bxc6 11. Nxc6 Nxc6 12. Bxc6+ Kf8 13. Nc3 Ng3 14. Rh2 Qe7+ 15. Kf2 Nf5 16. Rh1 g3+ 17. Kf1 Rb8 18. a4 Ne3+ 19. Bxe3 Qxe3 20. Qe2 Qxd4 21. Ne4 Qxb2 22. Rd1 Bc7 23. Bb5 Be6 24. Nc5 Rd8 25. Nxe6+ fxe6 26. Rxd8+ Bxd8 27. Qxe6 Qxc2 28. Qe8+ Kg7 29. Qd7+ Kh6 30. Qd6+ Kg7 1/2-1/2

[Event "corr"]
[Site "corr"]
[Date "1865.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Van der Linde, Antonius"]
[Result "0-1"]
[ECO "C39"]
[PlyCount "48"]
[EventDate "1865.??.??"]
[EventType "corr"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Bc4 d5 7. exd5 Bd6 8. d4 Nh5 9. Bb5+ c6 10. dxc6 bxc6 11. Be2 Ng3 12. Rh2 Bxe5 13. dxe5 Qb6 14. Qd3 Qg1+ 15. Bf1 Bf5 16. Qc4 Nxf1 17. Qxf1 Qxh2 18. Bxf4 Qxh4+ 19. Ke2 Qe7 20. Nd2 0-0 21. Bg3 Qe6 22. Re1 Bxc2 23. Qf4 Nd7 24. Rc1 Bg6 0-1

[Event "corr"]
[Site "corr"]
[Date "1865.??.??"]
[Round "?"]
[White "Van der Linde, Antonius"]
[Black "Dufresne, Jean"]
[Result "1/2-1/2"]
[ECO "C51"]
[PlyCount "55"]
[EventDate "1865.??.??"]
[EventType "corr"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. 0-0 d6 8. cxd4 Bb6 9. Nc3 Bg4 10. Bb5 Bxf3 11. gxf3 Kf8 12. Bxc6 bxc6 13. e5 dxe5 14. Ba3+ Ne7 15. dxe5 h5 16. Qc2 Qc8 17. Rad1 Qh3 18. Qd3 Re8 19. Ne4 Qf5 20. Rfe1 Rh6 21. Ng3 Qxd3 22. Rxd3 c5 23. Rc1 Ng6 24. Bxc5+ Bxc5 25. Rxc5 Nxe5 26. Re3 Nc6 27. Nxh5 Rd8 28. f4 1/2-1/2

[Event "Berlin Casual Games"]
[Site "Berlin"]
[Date "1863.10.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Neumann, Gustav Richard"]
[Result "0-1"]
[ECO "C51"]
[PlyCount "48"]
[EventDate "1863.??.??"]
[EventType "game"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. 0-0 d6 7. d4 exd4 8. cxd4 Bb6 9. Nc3 Bg4 10. Bb5 Bd7 11. e5 dxe5 12. dxe5 Nge7 13. Bg5 h6 14. Bh4 g5 15. Ne4 Bf5 16. Nf6+ Kf8 17. Bg3 Qxd1 18. Raxd1 Kg7 19. h4 g4 20. Nh2 h5 21. Kh1 Nd4 22. Bc4 Rad8 23. f3 Bc2 24. Rc1 Nef5 0-1

[Event "Berlin Casual Games"]
[Site "Berlin"]
[Date "1863.10.??"]
[Round "?"]
[White "Neumann, Gustav Richard"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "51"]
[EventDate "1863.??.??"]
[EventType "game"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. Nc3 Nf6 6. d3 Ng4 7. Qe2 Bf2+ 8. Kf1 Bb6 9. h3 Nf6 10. f5 h5 11. Bg5 Ne7 12. Rd1 c5 13. Kf2 a6 14. g4 Bd7 15. Bh4 hxg4 16. hxg4 Nxg4+ 17. Kg3 Nh6 18. Bg5 f6 19. Bxh6 Rxh6 20. Rxh6 gxh6 21. Nxe5 Nxf5+ 22. exf5 dxe5 23. Qh5+ Ke7 24. Qf7+ Kd6 25. Ne4+ Kc7 26. Nxf6 1-0

[Event "Berlin Casual Games"]
[Site "Berlin"]
[Date "1863.10.??"]
[Round "?"]
[White "Neumann, Gustav Richard"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "33"]
[EventDate "1863.??.??"]
[EventType "game"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. Nc3 0-0 6. d3 Ng4 7. Rf1 Nxh2 8. Rh1 Ng4 9. Qe2 Bf2+ 10. Kf1 Nc6 11. f5 Bc5 12. Ng5 Nh6 13. Qh5 Qe8 14. Nxh7 Kxh7 15. Bxh6 g6 16. Qxg6+ fxg6 17. Bxf8# 1-0

[Event "Rotterdam"]
[Site "Rotterdam"]
[Date "1863.??.??"]
[Round "?"]
[White "Dubois, Serafino"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C29"]
[PlyCount "91"]
[EventDate "1863.??.??"]
[EventType "game"]
[EventRounds "1"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 f5 6. d3 Nxc3 7. bxc3 Be7 8. d4 0-0 9. Bd3 c5 10. c4 Be6 11. cxd5 Bxd5 12. c3 c4 13. Bc2 b5 14. 0-0 Nc6 15. Qe1 Be6 16. Qg3 b4 17. Bh6 Rf7 18. Rad1 Qd5 19. Nd2 Kh8 20. Be3 Na5 21. cxb4 Bxb4 22. Nf3 Be7 23. Qh3 Rg8 24. g4 g5 25. Qh5 f4 26. Bc1 Rfg7 27. Kf2 Qd7 28. Rg1 Bf7 29. Qh6 Bg6 30. Bxg6 Rxg6 31. Qh5 Kg7 32. d5 Rh6 33. e6 Rxh5 34. exd7 Bc5+ 35. Kg2 Rh6 36. Nxg5 Bxg1 37. Kxg1 Kf6 38. Ne6 Ke7 39. d8Q+ Rxd8 40. Nxd8 Kxd8 41. Bxf4 Rg6 42. h3 Nb7 43. Rc1 Nd6 44. Kf2 c3 45. Ke3 Nc4+ 46. Kd4 1-0

[Event "Match Anderssen-Dufresne +4-1=0"]
[Site "Rotterdam"]
[Date "1861.??.??"]
[Round "?"]
[White "Anderssen, Adolf"]
[Black "Dufresne, Jean"]
[Result "0-1"]
[ECO "C58"]
[PlyCount "64"]
[EventDate "1861.??.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d3 h6 7. Nf3 Nxc4 8. dxc4 e4 9. Nd4 Bd6 10. f4 exf3 11. Nxf3 0-0 12. 0-0 Bc5+ 13. Nd4 b5 14. b4 Bxb4 15. Nc6 Bc5+ 16. Kh1 Qe8 17. Nc3 Ng4 18. Nxb5 Nf2+ 19. Rxf2 Bxf2 20. Bb2 Qe4 21. Qf1 Qxc2 22. Rb1 Re8 23. Nxc7 Bf5 24. Nxe8 Rxe8 25. Rc1 Qxb2 26. d6 Bd7 27. Ne7+ Kf8 28. Rb1 Qf6 29. Nd5 Qd4 30. Rd1 Qxd1 31. Qxd1 Re1+ 32. Qxe1 Bxe1 0-1

[Event "Match Anderssen-Dufresne +4-1=0"]
[Site "Rotterdam"]
[Date "1861.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Anderssen, Adolf"]
[Result "0-1"]
[ECO "C33"]
[PlyCount "100"]
[EventDate "1861.??.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. g3 fxg3 7. Kg2 Qh6 8. hxg3 Qg6 9. d4 Ne7 10. Nf3 h6 11. b3 d6 12. e5 Bf5 13. Qe2 Nbc6 14. exd6 cxd6 15. Nb5 0-0-0 16. Nxa7+ Kb8 17. Nb5 Be4 18. Bxf7 g4 19. Bxg6 Bxf3+ 20. Qxf3 gxf3+ 21. Kxf3 Nxg6 22. c3 Rhf8+ 23. Kg2 Rde8 24. Ba3 Re2+ 25. Kh3 Rf5 26. Nxd6 Rf3 27. Nb5 h5 28. Bd6+ Kc8 29. Rae1 Ref2 30. Re6 Bf6 31. Rhe1 Nd8 32. R6e2 Nf7 33. Rxf2 Rxf2 34. Bf4 Kd7 35. Be3 Ng5+ 36. Bxg5 Bxg5 37. a4 Ne7 38. Re5 Nf5 39. Rd5+ Ke7 40. Re5+ Kf6 41. Nc7 Nh6 42. Nd5+ Kg6 43. Re6+ Kf7 44. Re4 Ng4 45. Rxg4 hxg4+ 46. Kxg4 Bd2 47. c4 Ke6 48. b4 Kd6 49. a5 Be1 50. Kg5 Rb2 0-1

[Event "Match Anderssen-Dufresne +4-1=0"]
[Site "Rotterdam"]
[Date "1861.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Anderssen, Adolf"]
[Result "0-1"]
[ECO "C44"]
[PlyCount "74"]
[EventDate "1861.??.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Bb5 dxe4 5. Nxe5 Qd5 6. Bxc6+ bxc6 7. d4 Ba6 8. b3 Nf6 9. c4 Bb4+ 10. Bd2 Qxd4 11. Nxc6 Bxd2+ 12. Nxd2 Qc5 13. b4 Qxc6 14. b5 Qd7 15. bxa6 Rd8 16. Nb3 Qe7 17. Qc2 Qb4+ 18. Ke2 0-0 19. Rhd1 Rde8 20. a4 Ng4 21. Rd4 f5 22. c5 Qb8 23. h3 Nf6 24. Rb1 f4 25. Nd2 f3+ 26. Ke3 fxg2 27. Qc4+ Kh8 28. Rg1 c6 29. Rxg2 Nd5+ 30. Rxd5 cxd5 31. Qxd5 Qf4+ 32. Ke2 e3 33. fxe3 Qxe3+ 34. Kd1 Rd8 35. Qa2 Rf1+ 36. Kc2 Qd3+ 37. Kb2 Rb8+ 0-1

[Event "Match Anderssen-Dufresne +4-1=0"]
[Site "Rotterdam"]
[Date "1861.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Anderssen, Adolf"]
[Result "0-1"]
[ECO "C56"]
[PlyCount "92"]
[EventDate "1861.??.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bc5 8. 0-0 0-0 9. Nxc6 bxc6 10. Bxc6 Ba6 11. Bxa8 Bxf1 12. Be3 Bxe3 13. fxe3 Qg5 14. Kxf1 Qxe3 15. Qe2 Qf4+ 16. Kg1 Qc1+ 17. Qf1 Qe3+ 18. Kh1 Nf2+ 19. Kg1 Ng4+ 20. Kh1 Qxe5 21. Qg1 Qf4 22. g3 Qf3+ 23. Qg2 Qd1+ 24. Qg1 Qxc2 25. Nc3 Rxa8 26. Qg2 Qxg2+ 27. Kxg2 d4 28. Nd5 c5 29. Rc1 Rd8 30. Rxc5 h5 31. h3 Rxd5 32. Rc8+ Kh7 33. hxg4 d3 34. Rc1 d2 35. Rd1 hxg4 36. Kf2 f5 37. Ke3 g5 38. Rxd2 f4+ 39. gxf4 gxf4+ 40. Ke2 Rxd2+ 41. Kxd2 Kg6 42. Ke2 Kf5 43. b4 Ke4 44. Kf2 g3+ 45. Kg2 Ke3 46. a4 Ke2 0-1

[Event "Match Anderssen-Dufresne +4-1=0"]
[Site "Rotterdam"]
[Date "1861.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Anderssen, Adolf"]
[Result "0-1"]
[ECO "C77"]
[PlyCount "84"]
[EventDate "1861.??.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "NED"]
[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. Nc3 Bc5 6. d3 0-0 7. Be3 Qe7 8. 0-0 Ba7 9. Re1 d6 10. d4 Bg4 11. d5 Nb8 12. Bxa7 Rxa7 13. Re3 b5 14. Bb3 Nh5 15. Qe1 Nd7 16. Nd2 Nf4 17. f3 Bh5 18. Ne2 Qg5 19. Ng3 Bg6 20. Qf2 h5 21. Kh1 h4 22. Ngf1 Nf6 23. g3 hxg3 24. Qxg3 Qh6 25. h4 Nh7 26. c4 f5 27. c5 Nh5 28. Qg1 fxe4 29. fxe4 Rf4 30. Rh3 N7f6 31. cxd6 cxd6 32. Qxa7 Ng4 33. Rf3 Rxf3 34. Nxf3 Bxe4 35. Kg1 Bxf3 36. Bd1 Qf4 37. a4 Bxd5 38. Qb8+ Kh7 39. Bc2+ g6 40. Qa7+ Kh6 41. Ra3 Qc1 42. Rc3 Nf4 0-1

[Event "Germany"]
[Site "Germany"]
[Date "1859.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Wittberg"]
[Result "1-0"]
[ECO "C39"]
[PlyCount "37"]
[EventDate "1859.??.??"]
[EventType "game"]
[EventRounds "1"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 h5 6. Bc4 Rh7 7. Nxf7 Rxf7 8. Bxf7+ Kxf7 9. d4 d6 10. Bxf4 Nd7 11. Bg5 Be7 12. 0-0+ Kg6 13. e5 Bxg5 14. Qd3+ Kh6 15. Rf7 Ngf6 16. hxg5+ Kxg5 17. Rg7+ Kh4 18. Qh3+ gxh3 19. g3# 1-0

[Event "Match Dufresne-Von Heydebrand"]
[Site "Berlin"]
[Date "1857.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Von Heydebrand und der Lasa, Tassilo"]
[Result "1-0"]
[ECO "C58"]
[PlyCount "39"]
[EventDate "1857.??.??"]
[EventType "match"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Ba4 h6 9. Nf3 e4 10. Qe2 Be6 11. Ne5 Qd4 12. Bxc6+ Nxc6 13. Qb5 Bc5 14. Qxc6+ Ke7 15. Qb7+ Kd6 16. f4 Qf2+ 17. Kd1 Qxf4 18. Qc6+ Kxe5 19. d4+ Bxd4 20. Qc7+ 1-0

[Event "Match Dufresne-Von Heydebrand"]
[Site "Berlin"]
[Date "1857.??.??"]
[Round "?"]
[White "Von Heydebrand und der Lasa, Tassilo"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "B44"]
[PlyCount "67"]
[EventDate "1857.??.??"]
[EventType "match"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Nf3 Nc6 4. Nxd4 e6 5. Bc4 Bc5 6. Nb3 Bb6 7. Nc3 Ne5 8. Be2 Ne7 9. 0-0 0-0 10. a4 a6 11. Bf4 Qc7 12. Kh1 f5 13. exf5 Rxf5 14. Bg3 d5 15. Bd3 Rf6 16. Qe2 N7c6 17. Rae1 Rh6 18. Bxe5 Nxe5 19. Qxe5 Qxe5 20. Rxe5 Bc7 21. f4 Bxe5 22. fxe5 Bd7 23. Nd4 Rh5 24. Nf3 Rf8 25. b3 d4 26. Ne2 g5 27. g4 Rh4 28. h3 Rxh3+ 29. Kg2 Rh6 30. Nexd4 Bc8 31. Kg3 Rd8 32. c3 b6 33. Nxg5 Rd7 34. Bc4 1-0

[Event "Anderssen casual"]
[Site "Breslau"]
[Date "1856.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Anderssen, Adolf"]
[Result "0-1"]
[ECO "C23"]
[PlyCount "74"]
[EventDate "1856.??.??"]
[EventType "game"]
[EventRounds "1"]
[EventCountry "GER"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 b5 3. Bxb5 c6 4. Bc4 Nf6 5. Nc3 Bb4 6. d3 d5 7. exd5 cxd5 8. Bb5+ Kf8 9. Bd2 Qa5 10. a4 a6 11. Nf3 axb5 12. Nxe5 Bxc3 13. bxc3 Qc7 14. f4 bxa4 15. 0-0 a3 16. c4 a2 17. cxd5 Nxd5 18. c4 Nf6 19. Bc3 Nc6 20. d4 Bf5 21. d5 Ne4 22. Qb3 Qa7+ 23. Kh1 Nd4 24. Qb2 Nc2 25. Nc6 Qc5 26. Rxa2 Re8 27. Ra5 Qd6 28. Bxg7+ Kg8 29. Bxh8 f6 30. Ne5 fxe5 31. Bxe5 Qh6 32. Rf3 Ne1 33. Ra7 Nxf3 34. gxf3 Ng3+ 35. Kg1 Nh5 36. Qg2+ Bg6 37. d6 Nxf4 0-1

[Event "Casuals Anderssen-Dufresne"]
[Site "Berlin"]
[Date "1855.??.??"]
[Round "?"]
[White "Anderssen, Adolf"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "45"]
[EventDate "1855.??.??"]
[EventType "match"]
[EventRounds "6"]
[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. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. 0-0 d3 8. Qb3 Qf6 9. Re1 Bb6 10. e5 Qg6 11. Qd1 Nh6 12. Bxd3 Qh5 13. h3 Ne7 14. Nbd2 d5 15. exd6 cxd6 16. Nc4 Bc5 17. Bg5 f6 18. Nxd6+ Bxd6 19. Bb5+ Kf8 20. Qxd6 Nhf5 21. Qd8+ Kf7 22. Rxe7+ Nxe7 23. Ne5+ 1-0

[Event "Casuals Anderssen-Dufresne"]
[Site "Berlin"]
[Date "1855.??.??"]
[Round "?"]
[White "Anderssen, Adolf"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "49"]
[EventDate "1855.??.??"]
[EventType "match"]
[EventRounds "6"]
[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. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. 0-0 d3 8. Qb3 Qf6 9. Re1 b5 10. Bxb5 Rb8 11. e5 Qg6 12. Qa4 Nge7 13. Ba3 Bb6 14. Nbd2 a6 15. Bc4 0-0 16. Ne4 d5 17. exd6 Bh3 18. Nh4 Qg4 19. dxe7 Nxe7 20. Bxe7 d2 21. Nxd2 g5 22. Ne4 Qxh4 23. Bxg5 Bxf2+ 24. Nxf2 Qxg5 25. Nxh3 1-0

[Event "Casuals Anderssen-Dufresne"]
[Site "Berlin"]
[Date "1855.??.??"]
[Round "?"]
[White "Anderssen, Adolf"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "57"]
[EventDate "1855.??.??"]
[EventType "match"]
[EventRounds "6"]
[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. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. 0-0 d3 8. Qb3 Qf6 9. Re1 Nge7 10. Bg5 Qg6 11. Bxe7 Kxe7 12. e5 b5 13. Qxb5 Rb8 14. Qa4 Bb7 15. Qa3+ Kd8 16. Nbd2 Nd4 17. cxd4 Bxd2 18. Bxd3 Qg4 19. h3 Qf4 20. Nxd2 Qxd2 21. Qxa7 Ke7 22. Qc5+ Kd8 23. Rac1 Rc8 24. Bc4 Qf4 25. d5 Re8 26. d6 Qg5 27. Bd5 Bc6 28. Bxc6 dxc6 29. d7 1-0

[Event "Casuals Anderssen-Dufresne"]
[Site "Berlin"]
[Date "1855.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Anderssen, Adolf"]
[Result "0-1"]
[ECO "C37"]
[PlyCount "74"]
[EventDate "1855.??.??"]
[EventType "match"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 f3 7. Bxf7+ Ke7 8. Bb3 Bg7 9. d4 Nf6 10. Nc3 Nc6 11. Nxc6+ bxc6 12. Bc4 Nh5 13. Kg1 f2+ 14. Kf1 d5 15. exd5 Rf8 16. Ne4 h6 17. Qe2 Kd8 18. d6 cxd6 19. Bd2 Bf5 20. Ba5+ Kd7 21. d5 Rac8 22. dxc6+ Rxc6 23. Qe3 Bxe4 24. Qxa7+ Ke8 25. Qb8+ Ke7 26. Qb7+ Kf6 27. Bd8+ Rxd8 28. Qf7+ Kg5 29. Qe7+ Bf6 30. Qxe4 Rxc4 31. Qxc4 Re8 32. Qb5+ Re5 33. Qb4 Ng3+ 34. hxg3 Qxh1+ 35. Kxf2 Qxa1 36. Qf4+ Kg6 37. Qxg4+ Bg5 0-1

[Event "Casuals Anderssen-Dufresne"]
[Site "Berlin"]
[Date "1855.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Anderssen, Adolf"]
[Result "0-1"]
[ECO "C52"]
[PlyCount "74"]
[EventDate "1855.??.??"]
[EventType "match"]
[EventRounds "6"]
[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. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. 0-0 dxc3 8. Qb3 Qf6 9. e5 Qg6 10. Nxc3 Nge7 11. Ba3 Bxc3 12. Qxc3 0-0 13. Bd3 Qh6 14. Rfe1 d5 15. exd6 cxd6 16. Rad1 Bg4 17. Bb1 Bxf3 18. Qxf3 Rad8 19. Bc1 Qf6 20. Qh3 Ng6 21. Re4 d5 22. Rf4 Qe6 23. Qh5 Rfe8 24. Be3 d4 25. Re4 Qd7 26. Rh4 Nxh4 27. Qxh7+ Kf8 28. Qh8+ Ke7 29. Qxh4+ f6 30. Bc1 Qe6 31. Ba3+ Kd7 32. Bd3 Kc8 33. Bc1 Kb8 34. Bf4+ Ka8 35. Bg3 Qe1+ 36. Rxe1 Rxe1+ 37. Bf1 d3 0-1

[Event "Casuals Anderssen-Dufresne"]
[Site "Berlin"]
[Date "1855.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Anderssen, Adolf"]
[Result "0-1"]
[ECO "C52"]
[PlyCount "44"]
[EventDate "1855.??.??"]
[EventType "match"]
[EventRounds "6"]
[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. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. 0-0 dxc3 8. Qb3 Qf6 9. e5 Qg6 10. Ba3 Nge7 11. Re1 0-0 12. Nxc3 Bxc3 13. Qxc3 d5 14. exd6 cxd6 15. Bd3 Qh6 16. Re4 Bf5 17. Rh4 Qg6 18. Rd1 Bxd3 19. Rxd3 Nf5 20. Rh3 Rfe8 21. Nh4 Nxh4 22. Rhg3 Qf6 0-1

[Event "Berlin CC"]
[Site "Berlin"]
[Date "1853.03.??"]
[Round "?"]
[White "Lange, Max"]
[Black "Dufresne, Jean"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "88"]
[EventDate "1853.??.??"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd1 e6 5. Bd3 d5 6. exd5 exd5 7. Ne2 Nf6 8. 0-0 Bd6 9. Bf4 Bxf4 10. Nxf4 0-0 11. Nc3 Be6 12. h3 Qd6 13. Nh5 Nxh5 14. Qxh5 f5 15. Rad1 Rad8 16. Rfe1 a6 17. Bc4 Ne7 18. Qe2 Rf6 19. Rd4 b5 20. Bb3 b4 21. Nd1 f4 22. Qd2 a5 23. c4 Nc6 24. Rxe6 Rxe6 25. Rxd5 Qe7 26. Rxd8+ Qxd8 27. Qxd8+ Nxd8 28. c5 Kf8 29. Bxe6 Nxe6 30. c6 Ke7 31. b3 Kd6 32. c7 Nxc7 33. Kf1 Kc5 34. Ke2 Kd4 35. g3 fxg3 36. fxg3 Nd5 37. Kd2 Nf6 38. g4 Ne4+ 39. Kc2 g5 40. Kc1 Nc3 41. Nxc3 Kxc3 42. Kb1 Kd2 43. Kb2 Ke3 44. a3 Kf3 0-1

[Event "Fruehjahrsturnier Berliner SG"]
[Site "Berlin"]
[Date "1853.02.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Wolff, Johann"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "55"]
[EventDate "1853.02.??"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. 0-0 Be6 5. Bb3 Nf6 6. d3 h6 7. c3 Qd7 8. Qe2 Bxb3 9. axb3 g5 10. d4 g4 11. Nh4 exd4 12. Nf5 Qe6 13. Qb5 Qxe4 14. Nxd4 a6 15. Nd2 Qd5 16. Qd3 Kd7 17. f3 Nxd4 18. cxd4 c5 19. Nc4 Kc7 20. fxg4 Nxg4 21. Rf4 Ne5 22. Qf5 cxd4 23. Bd2 b6 24. Rc1 Kb7 25. Nxe5 dxe5 26. Be3 dxe3 27. Rd4 Qe6 28. Qe4+ 1-0

[Event "Fruehjahrsturnier Berliner SG"]
[Site "Berlin"]
[Date "1853.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Willberg"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "81"]
[EventDate "1853.02.??"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Bg4 4. Bc4 Bxf3 5. Qxf3 Qf6 6. 0-0 Nc6 7. c3 exf4 8. Bb5 g5 9. d4 0-0-0 10. Bxc6 bxc6 11. Na3 h5 12. Qd3 d5 13. e5 Qe6 14. h4 f6 15. Qa6+ Kd7 16. Bd2 Bxa3 17. bxa3 gxh4 18. Rf3 f5 19. Bxf4 Ne7 20. Bg5 Rhg8 21. Bxe7 Kxe7 22. Qe2 Rg5 23. Qe1 Rg4 24. Rd1 Qg6 25. Rd2 Rg8 26. Qf1 Ke6 27. c4 Rb8 28. cxd5+ cxd5 29. Rc3 Kd7 30. Rdc2 Rb7 31. Rc6 Qg5 32. e6+ Kd8 33. Re2 h3 34. e7+ Ke8 35. Rcc2 h4 36. Qd1 hxg2 37. Rxc7 Rxc7 38. Qa4+ Rd7 39. Qxd7+ Kxd7 40. e8Q+ Kc7 41. Rc2+ 1-0

[Event "Berlin 'Evergreen'"]
[Site "Berlin"]
[Date "1852.??.??"]
[Round "?"]
[White "Anderssen, Adolf"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "47"]
[EventDate "1852.??.??"]
[EventType "game"]
[EventRounds "1"]
[EventCountry "GER"]
[SourceTitle "CBM 059"]
[Source "ChessBase"]
[SourceDate "1997.08.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.08.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. 0-0 d3 8. Qb3 Qf6 9. e5 Qg6 10. Re1 Nge7 11. Ba3 b5 12. Qxb5 Rb8 13. Qa4 Bb6 14. Nbd2 Bb7 15. Ne4 Qf5 16. Bxd3 Qh5 17. Nf6+ gxf6 18. exf6 Rg8 19. Rad1 Qxf3 20. Rxe7+ Nxe7 21. Qxd7+ Kxd7 22. Bf5+ Ke8 23. Bd7+ Kf8 24. Bxe7# 1-0

[Event "Berlin"]
[Site "Berlin"]
[Date "1852.??.??"]
[Round "?"]
[White "Lange, Max"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C33"]
[PlyCount "97"]
[EventDate "1852.??.??"]
[EventType "tourn"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 c6 6. Qf3 d6 7. g3 Qg4 8. gxf4 gxf4 9. d4 Bh6 10. Nce2 Nf6 11. e5 Qxf3+ 12. Nxf3 Ne4 13. Bd3 d5 14. Rg1 Be6 15. Nxf4 Bxf4 16. Bxf4 Nd7 17. Re1 Bh3+ 18. Ke2 0-0-0 19. Bxe4 dxe4 20. Ng5 Be6 21. Nxe4 Nb6 22. Nd6+ Kb8 23. b3 Nd5 24. Bg3 Rhg8 25. Kd2 Rg4 26. c3 Rdg8 27. Ref1 R8g7 28. Rf3 Rf4 29. Rxf4 Nxf4 30. Rf1 Nh5 31. Rf3 Nxg3 32. Rxg3 Rg6 33. Rxg6 hxg6 34. c4 Kc7 35. Ne8+ Kd8 36. Nf6 a5 37. d5 Bf5 38. Kc3 c5 39. a3 b6 40. b4 a4 41. bxc5 bxc5 42. Ng8 Bb1 43. Nh6 Ke7 44. Ng4 g5 45. Nf2 f5 46. exf6+ Kxf6 47. Nd3 Kf5 48. Nxc5 Kg4 49. Nd3 1-0

[Event "Berlin"]
[Site "Berlin"]
[Date "1851.08.19"]
[Round "?"]
[White "Lange, Max"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "65"]
[EventDate "1851.??.??"]
[EventType "game"]
[EventRounds "1"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 Bg4 5. Be2 Bxf3 6. Bxf3 Nc6 7. Qb3 Bb6 8. d3 Nf6 9. Nd2 exf4 10. Nc4 0-0 11. Nxb6 axb6 12. Bxf4 d5 13. 0-0 dxe4 14. dxe4 Ra5 15. Rae1 Ne5 16. Bxe5 Rxe5 17. Qc2 Qe7 18. Re2 Re8 19. Rfe1 h6 20. Kh1 Nh7 21. Re3 f5 22. Bh5 Rd8 23. Bg6 f4 24. Bxh7+ Kxh7 25. Rd3 Rf8 26. Rd5 f3 27. gxf3 Rxf3 28. Rxe5 Qxe5 29. Qg2 Rf7 30. Rd1 c6 31. Rd4 Re7 32. Qg3 Qxg3 33. hxg3 1-0

[Event "Berlin m2"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Anderssen, Adolf"]
[Black "Dufresne, Jean"]
[Result "0-1"]
[ECO "C39"]
[PlyCount "64"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventRounds "18"]
[EventCountry "GER"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 h5 6. Bc4 Rh7 7. d4 f3 8. gxf3 d6 9. Nd3 Be7 10. Be3 Bxh4+ 11. Kd2 gxf3 12. Qxf3 Bg4 13. Qf4 Rg7 14. Rxh4 Qxh4 15. Nc3 Nc6 16. d5 Nce7 17. Bb5+ Kd8 18. e5 Ng6 19. Bf2 Qe7 20. exd6 cxd6 21. Qh2 Ne5 22. Nxe5 Qxe5 23. Qh4+ Kc7 24. Re1 Qg5+ 25. Re3 Qxh4 26. Bxh4 f5 27. Be8 a6 28. Na4 Rc8 29. Bf2 Ne7 30. Nb6 Rxe8 31. Rc3+ Kd8 32. Bh4 f4 0-1

[Event "Berlin m2"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Anderssen, Adolf"]
[Black "Dufresne, Jean"]
[Result "0-1"]
[ECO "C30"]
[PlyCount "84"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventRounds "18"]
[EventCountry "GER"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 Bg4 5. Bc4 Nc6 6. d3 Nf6 7. h3 Bxf3 8. Qxf3 0-0 9. f5 d5 10. Bb3 Qd6 11. Bg5 dxe4 12. dxe4 Rad8 13. Nd2 Qd3 14. 0-0-0 Qxf3 15. gxf3 h6 16. Bxf6 gxf6 17. Rde1 b5 18. Bc2 a5 19. Nf1 a4 20. h4 Kh7 21. Ng3 Bf2 22. Nh5 Bxe1 23. Nxf6+ Kh8 24. Rxe1 Rd6 25. Nd5 Rd7 26. Rg1 Ne7 27. Nf6 Rd6 28. Ng4 Rg8 29. h5 f6 30. b3 a3 31. Rg3 c5 32. Nxh6 Rxg3 33. Nf7+ Kg7 34. Nxd6 b4 35. c4 Nc6 36. Nb7 Nd4 37. Nxc5 Kh6 38. Nd3 Rg1+ 39. Bd1 Nxb3+ 40. Kc2 Nd4+ 41. Kd2 Rxd1+ 42. Kxd1 b3 0-1

[Event "Berlin m2"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Anderssen, Adolf"]
[Black "Dufresne, Jean"]
[Result "0-1"]
[ECO "C52"]
[PlyCount "68"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventRounds "18"]
[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. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. 0-0 dxc3 8. Qb3 Qf6 9. e5 Qg6 10. Nxc3 Nge7 11. Ne2 Bb6 12. Ba3 0-0 13. Rad1 Re8 14. Nh4 Qh5 15. Ng3 Qxh4 16. Bxf7+ Kf8 17. Bxe8 Kxe8 18. Rfe1 Qf4 19. Re4 Qf7 20. Qc2 Nd8 21. Rd3 Ne6 22. Rf3 Qg6 23. Qb3 c5 24. h4 h5 25. Kh2 Bc7 26. Rd3 b6 27. Bc1 Bb7 28. Re1 Nf5 29. f4 Qg4 30. Kg1 Nxh4 31. Red1 Bc6 32. Rf1 Ke7 33. Rf2 Rf8 34. Nf1 Nd4 0-1

[Event "Berlin m2"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Anderssen, Adolf"]
[Black "Dufresne, Jean"]
[Result "1/2-1/2"]
[ECO "B44"]
[PlyCount "90"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventRounds "18"]
[EventCountry "GER"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Nf3 Nc6 4. Nxd4 e6 5. Nf3 Nge7 6. Bd3 Ng6 7. 0-0 Bc5 8. Nc3 a6 9. Ne2 0-0 10. Ng3 d6 11. Kh1 Kh8 12. Ng5 h6 13. Qh5 Kg8 14. Nf3 Qf6 15. Rb1 Nce5 16. Nxe5 Qxe5 17. Qg4 Qf6 18. f4 Qh4 19. Qe2 Bd7 20. f5 exf5 21. exf5 Rae8 22. Qd1 Ne5 23. Rf4 Nxd3 24. cxd3 Qd8 25. d4 Bb4 26. Bd2 Qa5 27. Bxb4 Qxb4 28. Nh5 f6 29. a3 Qc4 30. h3 Qe2 31. Qb3+ Rf7 32. Rg4 Kf8 33. Qg3 Re3 34. Qxd6+ Kg8 35. Nxf6+ Rxf6 36. Qxf6 Rxh3+ 37. gxh3 Bc6+ 38. Qxc6 bxc6 39. Rbg1 Qf3+ 40. Kh2 Qxf5 41. Rxg7+ Kf8 42. Rg8+ Ke7 43. R1g7+ Ke6 44. Re8+ Kd6 45. Rd8+ Ke6 1/2-1/2

[Event "Berlin m2"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Anderssen, Adolf"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "A83"]
[PlyCount "51"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventRounds "18"]
[EventCountry "GER"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 d5 5. Bxf6 exf6 6. Qh5+ g6 7. Qxd5 Bh6 8. Nxe4 Qe7 9. Be2 Nd7 10. Nc3 f5 11. Nf3 c6 12. Qb3 Nb6 13. 0-0 Be6 14. d5 Nxd5 15. Bc4 0-0-0 16. Rfe1 Qf6 17. Rad1 Kb8 18. Nd4 Bf7 19. Bxd5 cxd5 20. Re7 b6 21. Qa4 a5 22. Nc6+ Kc8 23. Nb5 Rd7 24. Nba7+ Kc7 25. Rxd7+ Kxd7 26. Re1 1-0

[Event "Berlin m2"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Anderssen, Adolf"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "45"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventRounds "18"]
[EventCountry "GER"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 Bg4 5. Bc4 Nf6 6. fxe5 Bxf3 7. Qxf3 dxe5 8. d4 exd4 9. 0-0 dxc3+ 10. Kh1 Qd4 11. Bb5+ c6 12. Nxc3 cxb5 13. e5 0-0 14. exf6 Qxf6 15. Bf4 Qc6 16. Ne4 Nd7 17. Rac1 b6 18. Bd6 Kh8 19. Bxf8 Rxf8 20. b4 Ne5 21. Qf5 Nc4 22. Ng5 g6 23. Qh3 1-0

[Event "Berlin m2"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Anderssen, Adolf"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "87"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventRounds "18"]
[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. d4 exd4 4. Bc4 Nf6 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qd8 9. Nxe4 Be7 10. Bg5 Be6 11. Bxe7 Qxe7 12. Nxd4 Nxd4 13. Qxd4 0-0 14. Re3 Rfd8 15. Qc3 Kh8 16. Rae1 c6 17. Nc5 Rd6 18. f4 b6 19. Ne4 Rd5 20. Ng5 Qd7 21. Nxe6 fxe6 22. Rxe6 Rd1 23. Rxd1 Qxe6 24. Re1 Qd7 25. Qe5 h6 26. f5 Rf8 27. Rf1 Rf6 28. g4 c5 29. h4 Qa4 30. Rf4 Qxc2 31. g5 Qd1+ 32. Kg2 Qd2+ 33. Kg3 hxg5 34. hxg5 Qd3+ 35. Rf3 Qd6 36. Re3 Qxe5+ 37. Rxe5 Rf8 38. g6 Kg8 39. Kf4 Rd8 40. Re7 a5 41. Rb7 a4 42. Rxb6 c4 43. Rb4 a3 44. Rxc4 1-0

[Event "Berlin m2"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Anderssen, Adolf"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "55"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventRounds "18"]
[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. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. 0-0 d3 8. Ng5 Nh6 9. e5 Ne7 10. Qh5 Ng6 11. Ba3 d5 12. exd6 cxd6 13. Re1+ Kf8 14. Bxf7 Ne7 15. Qf3 Bf5 16. Ne6+ Bxe6 17. Bxe6+ Ke8 18. Qh5+ Kf8 19. Bc1 Neg8 20. Bg5 Qc7 21. Qf3+ Nf7 22. Nd2 h6 23. Bh4 g5 24. Bg3 Rh7 25. Nc4 Rd8 26. Qf5 Kg7 27. Nxa5 Kh8 28. Nc4 1-0

[Event "Berlin m2"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Anderssen, Adolf"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "61"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventRounds "18"]
[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. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. 0-0 d3 8. Ng5 Nh6 9. e5 d5 10. Bxd3 Bf5 11. Bxf5 Nxf5 12. e6 fxe6 13. Nxe6 Qd6 14. Re1 Nce7 15. Ba3 Qd7 16. Nd2 g6 17. Rc1 c6 18. g4 Nd6 19. Bxd6 Qxd6 20. Nc4 Qd7 21. Qd4 Rg8 22. Nxa5 b6 23. Nb3 c5 24. Qf6 Rc8 25. Re3 Rc6 26. Rce1 h5 27. Rf3 Qc8 28. Qf7+ Kd7 29. Nexc5+ Rxc5 30. Qxe7+ Kc6 31. Nd4# 1-0

[Event "Berlin m2"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Anderssen, Adolf"]
[Result "0-1"]
[ECO "C37"]
[PlyCount "48"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventRounds "18"]
[EventCountry "GER"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Nc3 gxf3 6. Qxf3 d6 7. d4 Be6 8. d5 Bc8 9. Bxf4 Bg7 10. 0-0 Qe7 11. e5 dxe5 12. d6 cxd6 13. Nd5 Qf8 14. Nc7+ Kd8 15. Nxa8 exf4 16. Qxf4 Be5 17. Qg5+ Qe7 18. Qd2 Nf6 19. Rfe1 Nc6 20. b4 Rg8 21. b5 Nd4 22. Kh1 b6 23. c3 Bb7 24. Rg1 Nf3 0-1

[Event "Berlin m2"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Anderssen, Adolf"]
[Result "0-1"]
[ECO "C52"]
[PlyCount "46"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventRounds "18"]
[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. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. 0-0 Nf6 7. d4 exd4 8. e5 d5 9. Bb5 Ne4 10. Ba3 Bd7 11. Bxc6 bxc6 12. cxd4 c5 13. dxc5 Bb5 14. Nd4 Bxf1 15. Qa4+ c6 16. Qxc6+ Kf8 17. e6 Rc8 18. Qb7 Rc7 19. e7+ Rxe7 20. c6 Nd6 21. Bxd6 Qxd6 22. Qc8+ Re8 23. Qg4 Ba6 0-1

[Event "Berlin m2"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Anderssen, Adolf"]
[Result "0-1"]
[ECO "C52"]
[PlyCount "68"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventRounds "18"]
[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. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. 0-0 Nf6 7. d4 0-0 8. Qc2 Qe7 9. dxe5 Nxe5 10. Nxe5 Qxe5 11. Bd3 Ng4 12. g3 Bb6 13. Na3 d5 14. Bf4 Qh5 15. h4 h6 16. Kg2 g5 17. f3 gxf4 18. fxg4 Qxg4 19. Rxf4 Qh3+ 20. Kf3 h5 21. Rf6 Bg4+ 22. Kf4 c6 23. e5 Bc7 24. Re1 Rae8 25. Qf2 Rxe5 26. Rxe5 Re8 27. Kg5 Rxe5+ 28. Kh6 Re6 29. Rxe6 Bxe6 30. Qc5 Bf4+ 31. gxf4 Qxd3 32. Qg1+ Bg4 33. Qb1 Qxb1 34. Nxb1 c5 0-1

[Event "Berlin m2"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Anderssen, Adolf"]
[Result "0-1"]
[ECO "C52"]
[PlyCount "38"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventRounds "18"]
[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. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. 0-0 Nf6 7. d4 Nxe4 8. dxe5 0-0 9. Qc2 d5 10. Ba3 Re8 11. Rd1 Be6 12. Bxd5 Bxd5 13. c4 Ng5 14. Ne1 Nh3+ 15. gxh3 Qg5+ 16. Kf1 Qxe5 17. cxd5 Qxh2 18. Nf3 Qxh3+ 19. Kg1 Qg4+ 0-1

[Event "Berlin m2"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Anderssen, Adolf"]
[Result "0-1"]
[ECO "C52"]
[PlyCount "80"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventRounds "18"]
[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. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. 0-0 Nf6 7. d4 Nxe4 8. dxe5 0-0 9. Qc2 d5 10. Rd1 Be6 11. Bd3 Bf5 12. Nbd2 Nxd2 13. Bxd2 Bxd3 14. Qxd3 h6 15. Bf4 Ne7 16. Nd4 Qd7 17. h3 c5 18. Nf3 Rad8 19. g4 Bc7 20. Bg3 Nc6 21. Rab1 b6 22. Rb2 Qe6 23. Re2 Rfe8 24. Rde1 d4 25. cxd4 Nxd4 26. Nxd4 Rxd4 27. Qa6 Qc6 28. Qa3 c4 29. e6 f5 30. Qxa7 Bxg3 31. Qf7+ Kh8 32. e7 Bd6 33. Re6 Qc8 34. Rg6 Rxe7 35. Rxe7 Rd1+ 36. Kg2 Qc6+ 37. f3 Rd2+ 38. Kg1 Bh2+ 39. Kf1 Qxf3+ 40. Ke1 Qf2# 0-1

[Event "Berlin m2"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Anderssen, Adolf"]
[Result "0-1"]
[ECO "C53"]
[PlyCount "66"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventRounds "18"]
[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. Bc4 Bc5 4. 0-0 d6 5. c3 Qe7 6. d4 Bb6 7. Ng5 Nh6 8. Be3 0-0 9. h3 Na5 10. Bd3 f5 11. Nf3 f4 12. Bd2 Nc6 13. d5 Nd8 14. a4 a6 15. Na3 g5 16. Nh2 Qg7 17. Be2 Ndf7 18. Nc2 Kh8 19. a5 Ba7 20. Kh1 Ng8 21. c4 Nf6 22. Bf3 Qg6 23. Qe2 h5 24. g4 fxg3 25. fxg3 Bxh3 26. Rfe1 g4 27. Bg2 Bxg2+ 28. Kxg2 Ng5 29. Bxg5 Qxg5 30. Qd3 Rf7 31. Ne3 Raf8 32. Nf5 Nxe4 33. Rxe4 Rxf5 0-1

[Event "Berlin m2"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Anderssen, Adolf"]
[Result "0-1"]
[ECO "C56"]
[PlyCount "42"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventRounds "18"]
[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. Bc4 Nf6 4. d4 exd4 5. e5 d5 6. Bb5 Ne4 7. 0-0 Bc5 8. b4 Bb6 9. Nxd4 Bd7 10. Bxc6 bxc6 11. f4 Bg4 12. Qd3 Be2 13. Qe3 Bxf1 14. Kxf1 Qh4 15. Bb2 Qxh2 16. Nd2 Qh1+ 17. Ke2 Qxg2+ 18. Kd3 Nxd2 19. Qxd2 Qe4+ 20. Kc3 c5 21. bxc5 Ba5+ 0-1

[Event "Berlin m2"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Anderssen, Adolf"]
[Result "1/2-1/2"]
[ECO "B14"]
[PlyCount "98"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventRounds "18"]
[EventCountry "GER"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 c6 5. Nc3 Be6 6. cxd5 cxd5 7. Nf3 Nc6 8. Bd3 Nf6 9. 0-0 Be7 10. h3 0-0 11. Be3 a6 12. a3 Qd6 13. Re1 Bd8 14. Ne5 Nd7 15. f4 f5 16. Rc1 Nf6 17. Na4 Ne4 18. Bxe4 fxe4 19. Nc5 Bc8 20. b4 Bh4 21. Rf1 Ne7 22. g4 b6 23. Nb3 Bd7 24. Nxd7 Qxd7 25. Qe2 Qd6 26. Qg2 Rac8 27. f5 Qg3 28. Qxg3 Bxg3 29. Kg2 Bd6 30. Rxc8 Rxc8 31. Rc1 Rxc1 32. Nxc1 Kf7 33. Ne2 g6 34. Bg5 gxf5 35. Bxe7 Bxe7 36. gxf5 Kf6 37. Nc3 Kxf5 38. Nxd5 Bd8 39. Kg3 e3 40. Kf3 e2 41. Ne3+ Kg5 42. Kxe2 Kh4 43. Kf3 Kxh3 44. d5 Kh4 45. d6 Kg5 46. Ke4 h5 47. d7 h4 48. a4 a5 49. bxa5 bxa5 1/2-1/2

[Event "Berlin m2"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Anderssen, Adolf"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "69"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventRounds "18"]
[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. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. 0-0 Nf6 7. d4 0-0 8. Qc2 d6 9. dxe5 Nxe5 10. Nxe5 dxe5 11. Ba3 Re8 12. Rd1 Nd7 13. Qb3 Qf6 14. Rd3 Qg6 15. Rg3 Qh5 16. Qa4 b5 17. Bxb5 Bb6 18. Nd2 c6 19. Bxc6 Qe2 20. Rf1 Rb8 21. Qc2 Ba6 22. c4 Red8 23. Be7 Nc5 24. Bxd8 Rxd8 25. Bd5 Ba5 26. Rd1 Bxd2 27. Re3 Qxd1+ 28. Qxd1 Bxe3 29. fxe3 Rb8 30. Qh5 g6 31. Qf3 Rb1+ 32. Kf2 Rb2+ 33. Kg3 Ne6 34. Bxe6 fxe6 35. Qf6 1-0

[Event "London2"]
[Site "London"]
[Date "1851.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Anderssen, Adolf"]
[Result "0-1"]
[ECO "C33"]
[PlyCount "92"]
[EventDate "1851.??.??"]
[EventType "tourn"]
[EventRounds "30"]
[EventCountry "ENG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. Nd5 Kd8 7. d4 d6 8. e5 Nc6 9. Nf3 Qh5 10. b4 Nge7 11. Nxe7 Nxe7 12. a4 Bd7 13. Kg1 h6 14. Ra3 Rg8 15. Bb5 Bxb5 16. axb5 g4 17. Ne1 f3 18. Be3 Nf5 19. Bf2 Bf8 20. c4 Qg6 21. b6 cxb6 22. c5 d5 23. g3 h5 24. Nd3 Bh6 25. Qe1 b5 26. c6 bxc6 27. Nc5 Re8 28. Ra6 Re7 29. e6 Rc8 30. Qa1 Nd6 31. h4 fxe6 32. Rxa7 Be3 33. Ra2 Bxf2+ 34. Rxf2 Nf5 35. Qa5+ Ke8 36. Qa6 Rcc7 37. Nd3 e5 38. Qa8+ Kf7 39. Nxe5+ Rxe5 40. dxe5 Nxg3 41. Qd8 Ra7 42. Qh8 Ra1+ 43. Kh2 Ne2 44. e6+ Ke7 45. Rxf3 Rxh1+ 46. Kxh1 Qb1+ 0-1

[Event "Match Dufresne-Falkbeer"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Falkbeer, Ernst Karl"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "100"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 exd4 5. c3 Nf6 6. e5 Ng4 7. cxd4 d5 8. Bd3 h5 9. h3 Nh6 10. Bxh6 Rxh6 11. Nc3 Nb4 12. Bb1 g5 13. a3 Nc6 14. Qd2 Na5 15. Ba2 Be6 16. h4 Rg6 17. hxg5 Bxg5 18. Nxg5 Qxg5 19. Qxg5 Rxg5 20. Nxd5 0-0-0 21. Ne7+ Kb8 22. f4 Rxg2 23. Bxe6 fxe6 24. d5 Rg7 25. b4 Rxe7 26. bxa5 Rxd5 27. Rxh5 a6 28. Ke2 Rxa5 29. Ke3 b5 30. Rh4 Ra4 31. Kf3 Rf7 32. Ke3 Kb7 33. Rh6 Re7 34. Rf6 Rh7 35. Rxe6 Rh3+ 36. Ke2 Rxf4 37. Rc1 Rxa3 38. Re7 Rh4 39. Rexc7+ Kb6 40. Kf2 Rh2+ 41. Kg1 Re2 42. R7c6+ Ka5 43. e6 Raa2 44. Kf1 Rf2+ 45. Kg1 Rfe2 46. Kf1 Rh2 47. Kg1 Rh5 48. Re1 Ra4 49. e7 Rg4+ 50. Kf2 Rf5+ 0-1

[Event "Match Dufresne-Falkbeer"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Falkbeer, Ernst Karl"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "51"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 exd4 5. c3 Nf6 6. e5 Ne4 7. Bd5 Ng5 8. Nxg5 Bxg5 9. Qh5 Qe7 10. Qxg5 f6 11. Qg3 Qxe5+ 12. Qxe5+ fxe5 13. Bxc6 bxc6 14. cxd4 exd4 15. 0-0 0-0 16. Rd1 c5 17. b4 d6 18. bxc5 dxc5 19. Ba3 Rf5 20. Rc1 Re5 21. Nd2 Re2 22. Nb3 d3 23. Bxc5 Ba6 24. Be3 Rd8 25. Rxc7 d2 26. Nxd2 1-0

[Event "Partien"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Mayet, Carl"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "65"]
[EventDate "1851.??.??"]
[EventType "game"]
[EventRounds "1"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. 0-0 Nf6 7. d4 Nxe4 8. dxe5 Nc5 9. Ba3 Ne6 10. Bxe6 fxe6 11. Qa4 a6 12. Qg4 g6 13. Rd1 b5 14. Rd3 Bb6 15. Nbd2 a5 16. Ne4 b4 17. Nf6+ Kf8 18. cxb4 axb4 19. Ng5 bxa3 20. Qf4 Kg7 21. Nxe6+ dxe6 22. Rxd8 Rxd8 23. Ng4 Bxf2+ 24. Qxf2 Rf8 25. Qe3 Rf7 26. Qh6+ Kh8 27. Rf1 Rxf1+ 28. Kxf1 Ba6+ 29. Kf2 Bd3 30. Nf6 g5 31. Nh5 Rg8 32. Qf6+ Rg7 33. Qxg7# 1-0

[Event "Match Dufresne-Falkbeer"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Falkbeer, Ernst Karl"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "79"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd1 e6 5. Bc4 Nf6 6. Nc3 Bc5 7. Nf3 h6 8. 0-0 d6 9. a3 0-0 10. b4 Bb6 11. b5 Ne7 12. Bb2 e5 13. a4 Ng6 14. Ba3 Ba5 15. Ne2 Nxe4 16. Qd5 Ng5 17. Nxg5 Qxg5 18. Bxd6 Be6 19. Qe4 Rfd8 20. f4 Bb6+ 21. Kh1 Qg4 22. Bxe6 fxe6 23. h3 Qh4 24. Qxg6 Rxd6 25. fxe5 Rd2 26. Qxe6+ Kh8 27. Nf4 Qg3 28. Qg6 Rxg2 29. Qxg3 Rxg3 30. e6 g5 31. Nd5 Bc5 32. Rf7 Bd4 33. Raf1 g4 34. Rf8+ Rxf8 35. Rxf8+ Kg7 36. Rf7+ Kg6 37. Ne7+ Kg5 38. Rf5+ Kh4 39. Ng6+ Kxh3 40. Rh5# 1-0

[Event "Match Dufresne-Falkbeer"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Falkbeer, Ernst Karl"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "55"]
[EventDate "1851.??.??"]
[EventType "match"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 Nxe4 5. dxe5 d5 6. Bd3 Bf5 7. Bf4 Bc5 8. 0-0 0-0 9. Qc2 f6 10. exf6 Rxf6 11. Nbd2 Nxf2 12. Bxf5 Nh3+ 13. Kh1 Nxf4 14. Bxh7+ Kh8 15. Ng5 Nh5 16. Nf7+ Rxf7 17. Rxf7 Ne5 18. Qf5 Nxf7 19. Qxh5 Nh6 20. Bc2 Qg8 21. Nf3 Rf8 22. Ne5 Rf6 23. Ng6+ Rxg6 24. Qxg6 Nf7 25. Qh5+ Nh6 26. Re1 Bf8 27. Re8 c6 28. Qg6 1-0

[Event "Berlin"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Kossak, Ernst"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "37"]
[EventDate "1851.??.??"]
[EventType "game"]
[EventRounds "1"]
[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. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. 0-0 Nf6 7. d4 0-0 8. dxe5 Nxe4 9. Bd5 Nxc3 10. Nxc3 Bxc3 11. Ng5 Nxe5 12. Qh5 h6 13. f4 Bxa1 14. fxe5 Qe7 15. Nxf7 Qc5+ 16. Kh1 Qxd5 17. Nxh6+ Kh8 18. Nf5+ Kg8 19. Ne7# 1-0

[Event "Partien"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Von Heydebrand und der Lasa, Tassilo"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "63"]
[EventDate "1851.??.??"]
[EventType "game"]
[EventRounds "1"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. 0-0 d6 7. a3 Ba5 8. b4 Bb6 9. Qb3 Qf6 10. Nxc3 Be6 11. Nd5 Bxd5 12. exd5 Ne5 13. Re1 0-0-0 14. Ra2 Nxf3+ 15. gxf3 Nh6 16. Kh1 Rhe8 17. Rg1 Qf5 18. a4 Re7 19. Bg5 f6 20. Bxh6 gxh6 21. Rg3 Re1+ 22. Kg2 Bd4 23. Bd3 Qe5 24. Qc4 Kb8 25. Rc2 Rc8 26. f4 Qh5 27. Qxd4 Qd1 28. f3 Rce8 29. Qc3 Rg1+ 30. Kf2 Qe1+ 31. Qxe1 Rgxe1 32. Bb5 1-0

[Event "Match Dufresne-Leow"]
[Site "Berlin"]
[Date "1849.??.??"]
[Round "?"]
[White "Leow, S."]
[Black "Dufresne, Jean"]
[Result "0-1"]
[ECO "C44"]
[PlyCount "106"]
[EventDate "1849.??.??"]
[EventType "match"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. 0-0 cxb2 7. Bxb2 Bf8 8. e5 Be7 9. Nc3 Nh6 10. Nd5 0-0 11. Qc1 b6 12. Nf6+ Kh8 13. Bd3 Nxe5 14. Nxh7 Nxf3+ 15. gxf3 f6 16. Nxf8 Qxf8 17. Qxc7 Bd6 18. Qc4 Bb7 19. Be4 Bxe4 20. fxe4 Ng4 21. Kg2 Rc8 22. Qd3 Qe7 23. Rac1 Bc5 24. Qf3 Nh6 25. Rfe1 d6 26. Qh3 Re8 27. f3 Kg8 28. Qg3 Nf7 29. h4 a5 30. Rcd1 b5 31. Rd5 a4 32. Bd4 Bxd4 33. Rxd4 Qe5 34. Rd5 Qb2+ 35. Qf2 Qxf2+ 36. Kxf2 b4 37. Rb1 b3 38. axb3 Rb8 39. Rd3 Ne5 40. Rxd6 axb3 41. Ke2 Kh7 42. Rd5 b2 43. Rd2 Nc4 44. Rc2 Rb4 45. Rxc4 Rxc4 46. Rxb2 Rc1 47. Kf2 Rh1 48. Kg3 Rg1+ 49. Rg2 Rh1 50. Kg4 g6 51. Rg3 Kh6 52. Rg2 Rf1 53. Rg3 Rh1 0-1

[Event "Match Dufresne-Leow"]
[Site "Berlin"]
[Date "1849.??.??"]
[Round "?"]
[White "Leow, S."]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C53"]
[PlyCount "79"]
[EventDate "1849.??.??"]
[EventType "match"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Bc4 Nc6 4. c3 Qf6 5. Nf3 Bc5 6. 0-0 d6 7. Bb5 dxc3 8. Nxc3 Be6 9. Nd5 Qd8 10. Ng5 Nf6 11. b4 Bb6 12. Bb2 0-0 13. Nxf6+ gxf6 14. Nxe6 fxe6 15. Qg4+ Kh8 16. Bxc6 bxc6 17. Qxe6 d5 18. Qxc6 d4 19. a4 a5 20. b5 Rf7 21. f4 Qe8 22. Qc4 Rd8 23. e5 fxe5 24. fxe5 Rxf1+ 25. Rxf1 Qxe5 26. Kh1 c5 27. bxc6 Bc7 28. g3 Qe4+ 29. Kg1 Qe3+ 30. Rf2 Bb6 31. Kg2 Qe4+ 32. Kg1 Rc8 33. Re2 Rxc6 34. Qf7 Rc1+ 35. Kf2 Rf1+ 36. Kxf1 Qh1+ 37. Kf2 Qxh2+ 38. Kf3 Qh1+ 39. Kg4 h5+ 40. Qxh5+ 1-0

[Event "Berlin"]
[Site "Berlin"]
[Date "1848.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Harrwitz, Daniel"]
[Result "1-0"]
[ECO "C51"]
[PlyCount "59"]
[EventDate "1848.??.??"]
[EventType "game"]
[EventRounds "1"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. 0-0 d6 7. d4 exd4 8. cxd4 Bb6 9. Bb2 Nf6 10. Qc2 0-0 11. e5 dxe5 12. dxe5 Nd5 13. Rd1 Be6 14. Bxd5 Bxd5 15. Nc3 Ne7 16. Ng5 Ng6 17. Nxh7 Kxh7 18. Nxd5 Qg5 19. Rd3 c6 20. Rh3+ Kg8 21. Rg3 Qh4 22. Nf6+ gxf6 23. Rxg6+ fxg6 24. Qxg6+ Kh8 25. exf6 Rf7 26. Qxf7 Rg8 27. Kh1 Qg4 28. Rg1 Bxf2 29. Qe8 Kh7 30. f7 1-0

[Event "Berlin"]
[Site "Berlin"]
[Date "1848.??.??"]
[Round "?"]
[White "Dufresne, Jean"]
[Black "Von Heydebrand und der Lasa, Tassilo"]
[Result "1-0"]
[ECO "C58"]
[PlyCount "37"]
[EventDate "1848.??.??"]
[EventType "game"]
[EventRounds "1"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Ba4 h6 9. Nf3 e4 10. Qe2 Be6 11. Ne5 Qd4 12. Bxc6+ Nxc6 13. Qb5 Bc5 14. Qxc6+ Ke7 15. Qb7+ Kd6 16. f4 Qf2+ 17. Kd1 Qxf4 18. Qc6+ Kxe5 19. d4+ 1-0

