[Event "GER-ch Rapid 49th"]
[Site "Dinkelsbuehl"]
[Date "2023.11.12"]
[Round "6"]
[White "Harff, Marcel"]
[Black "Ehmann, Thilo"]
[Result "1/2-1/2"]
[ECO "A42"]
[WhiteElo "2293"]
[BlackElo "2376"]
[PlyCount "69"]
[EventDate "2023.11.11"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. c4 g6 2. Nf3 Bg7 3. d4 d6 4. Nc3 Nd7 5. e4 e5 6. Be2 Ne7 7. 0-0 exd4 8. Nxd4 Nc6 9. Be3 0-0 10. Qd2 Nxd4 11. Bxd4 Nf6 12. f3 Be6 13. Rfd1 a5 14. c5 dxc5 15. Bxc5 Qxd2 16. Rxd2 Rfc8 17. Rad1 Bh6 18. Rc2 Bf8 19. Bxf8 Kxf8 20. b3 c5 21. Na4 Nd7 22. Bb5 Rd8 23. Rcd2 Ke7 24. Bxd7 Rxd7 25. Rxd7+ Bxd7 26. Rxd7+ Kxd7 27. Nb6+ Kc6 28. Nxa8 b5 29. Kf2 Kb7 30. Ke3 Kxa8 31. h4 Kb7 32. f4 h5 33. Kd3 Kc6 34. Kc3 Kb6 35. Kd3 1/2-1/2

[Event "GER-ch Rapid 49th"]
[Site "Dinkelsbuehl"]
[Date "2023.11.12"]
[Round "8"]
[White "Harff, Marcel"]
[Black "Reichmann, Hendrik"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2293"]
[BlackElo "2303"]
[PlyCount "111"]
[EventDate "2023.11.11"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. e3 f5 4. d4 Be7 5. b3 c6 6. Bb2 Nf6 7. g3 e4 8. d5 Na6 9. Nh3 0-0 10. Be2 Nc7 11. 0-0 Bd7 12. f3 cxd5 13. cxd5 exf3 14. Bxf3 Na6 15. Nf4 Nc5 16. b4 Qb6 17. Qd4 Nce4 18. Nxe4 fxe4 19. Bg2 Qxd4 20. Bxd4 a5 21. bxa5 Rxa5 22. Rac1 Rxa2 23. Rc7 Bd8 24. Rxb7 Bc8 25. Rb8 Bc7 26. Rb3 Ng4 27. Rc1 Ba5 28. Bxe4 g5 29. Rb8 Ba6 30. Rxf8+ Kxf8 31. Ne6+ Ke7 32. Nxg5 h6 33. Nf3 Nf2 34. Bf5 Be2 35. Nh4 Nd3 36. Ra1 Rxa1+ 37. Bxa1 Bb6 38. Bd4 Bxd4 39. exd4 Nb4 40. Be6 Bd3 41. Kf2 Nc2 42. Bf5 Bxf5 43. Nxf5+ Kf6 44. Nxd6 Nxd4 45. Nc4 Nb5 46. Ke3 Kf5 47. h3 h5 48. Kd3 Nc7 49. Kd4 Nb5+ 50. Kc5 Nc3 51. d6 Ne4+ 52. Kc6 Nf6 53. d7 Nxd7 54. Kxd7 Ke4 55. Nd2+ Ke3 56. Ke6 1-0

[Event "GER-ch Rapid 49th"]
[Site "Dinkelsbuehl"]
[Date "2023.11.12"]
[Round "9"]
[White "Langheinrich, Ferenc"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2352"]
[BlackElo "2293"]
[PlyCount "24"]
[EventDate "2023.11.11"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 e6 2. b3 d5 3. Bb2 c5 4. exd5 exd5 5. Bb5+ Bd7 6. Qe2+ Qe7 7. Qxe7+ Nxe7 8. Bxd7+ Kxd7 9. Ne2 Nbc6 10. Nbc3 Re8 11. 0-0-0 d4 12. Ne4 Nf5 1/2-1/2

[Event "GER-ch Rapid 49th"]
[Site "Dinkelsbuehl"]
[Date "2023.11.12"]
[Round "7"]
[White "Pubantz, Jan"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "2312"]
[BlackElo "2293"]
[PlyCount "68"]
[EventDate "2023.11.11"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nf3 g6 4. e3 Bg7 5. b4 0-0 6. Bb2 d6 7. Be2 Qe8 8. d5 e5 9. dxe6 Bxe6 10. 0-0 h6 11. Qb3 Nbd7 12. Nc3 Nb6 13. Rac1 a5 14. Nb5 Qe7 15. a3 Bf7 16. Rfd1 Rfd8 17. Qc2 axb4 18. axb4 c6 19. Nxd6 Rxd6 20. Rxd6 Qxd6 21. c5 Qd8 22. cxb6 Qxb6 23. Ne5 Qxb4 24. Nxf7 Kxf7 25. Bc4+ Ke8 26. Bd4 Qe7 27. Bc5 Qc7 28. Qb3 Ng4 29. g3 Ne5 30. Be2 Qf7 31. Qb6 Rd8 32. Bd4 Qe7 33. Bc5 Qf7 34. Bd4 Qe7 1/2-1/2

[Event "GER-ch Rapid 49th"]
[Site "Dinkelsbuehl"]
[Date "2023.11.11"]
[Round "1"]
[White "Euler, Gerd"]
[Black "Harff, Marcel"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2236"]
[BlackElo "2293"]
[PlyCount "52"]
[EventDate "2023.11.11"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. dxc5 Bxc5 7. b4 Bb6 8. Bd3 f6 9. exf6 Nxf6 10. b5 Na5 11. Bf4 0-0 12. 0-0 Rc8 13. Bd6 Re8 14. Be5 Nc4 15. Bg3 Bxb5 16. a4 Nb2 17. Bxb5 Nxd1 18. Bxe8 Nxf2 19. Bf7+ Kxf7 20. Ne5+ Kg8 21. Bxf2 Ne4 22. Bd4 Nxc3 23. Bxb6 Qxb6+ 24. Kh1 Ne4 25. Ra2 Nf2+ 26. Kg1 Ng4+ 0-1

[Event "GER-ch Rapid 49th"]
[Site "Dinkelsbuehl"]
[Date "2023.11.11"]
[Round "4"]
[White "Harff, Marcel"]
[Black "Langrock, Hannes"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2293"]
[BlackElo "2364"]
[PlyCount "35"]
[EventDate "2023.11.11"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. Nc3 Nc6 9. Nxd7 Qxd7 10. 0-0 Be7 11. d3 Rc8 12. Be3 0-0 13. Qa4 Rfd8 14. Rfc1 b6 15. h3 h5 16. Rab1 Nd4 17. Qxd7 Rxd7 18. Kf1 1/2-1/2

[Event "GER-ch Rapid 49th"]
[Site "Dinkelsbuehl"]
[Date "2023.11.11"]
[Round "2"]
[White "Harff, Marcel"]
[Black "Yelisieiev, Yevhenii"]
[Result "1/2-1/2"]
[ECO "A54"]
[WhiteElo "2293"]
[BlackElo "2420"]
[PlyCount "186"]
[EventDate "2023.11.11"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. c4 d6 2. Nc3 e5 3. e3 Nf6 4. d4 Be7 5. Nf3 Nbd7 6. g3 c6 7. Qc2 0-0 8. Bg2 Re8 9. 0-0 Bf8 10. b3 a6 11. dxe5 dxe5 12. Bb2 Qc7 13. Rad1 Nc5 14. b4 Ne6 15. c5 a5 16. a3 axb4 17. axb4 Nd7 18. Ne4 f6 19. Nd6 Bxd6 20. Rxd6 Ndf8 21. Nd2 Ng5 22. Nc4 Be6 23. Nb6 Ra6 24. Rd2 Bg4 25. f3 Bh5 26. f4 Nf7 27. h3 exf4 28. exf4 Nd8 29. Qc4+ Bf7 30. Qd4 Nde6 31. Qf2 h5 32. h4 Rd8 33. Rfd1 Rxd2 34. Qxd2 Ra2 35. Bf1 Qb8 36. Bc4 Ra7 37. Kf2 Nc7 38. Bxf7+ Kxf7 39. Qe2 Kg8 40. Qxh5 Ra2 41. Rd2 Nce6 42. Qf3 Kh8 43. Qb3 Ra7 44. Rd6 Qe8 45. Qd3 Qh5 46. Qe2 Qf5 47. Kg2 Ra2 48. Nc4 Nc7 49. Rd8 Nce6 50. Rd2 Ng6 51. Kh2 Nexf4 52. Qf1 Qg4 53. Ne3 Qe6 54. Qf3 Qb3 55. Rd8+ Kh7 56. gxf4 Qxb2+ 57. Ng2 Qe2 58. Qxe2 Rxe2 59. Kg3 Rb2 60. h5 Ne7 61. Re8 Nf5+ 62. Kg4 Nh6+ 63. Kf3 Rb3+ 64. Kf2 Rxb4 65. Kf3 Rb3+ 66. Ke4 Rb4+ 67. Kf3 Rb3+ 68. Ke4 Ng4 69. Rb8 Rg3 70. Nh4 Nf2+ 71. Kd4 Rd3+ 72. Kc4 Rh3 73. Ng6 Rxh5 74. Nf8+ Kh6 75. Rxb7 Ne4 76. Ne6 Rf5 77. Kd4 Ng3 78. Rxg7 Rxf4+ 79. Nxf4 Kxg7 80. Ne6+ Kg6 81. Ke3 Nf5+ 82. Kf4 Ne7 83. Nd4 Kf7 84. Ke4 Ke8 85. Kf4 Kf7 86. Ke4 Ke8 87. Kf4 Kd7 88. Ke4 Kc7 89. Kf4 Kb7 90. Ke4 Ka6 91. Nxc6 Nxc6 92. Kf5 Kb5 93. Kxf6 Kxc5 1/2-1/2

[Event "GER-ch Rapid 49th"]
[Site "Dinkelsbuehl"]
[Date "2023.11.11"]
[Round "5"]
[White "Kolb, Tobias"]
[Black "Harff, Marcel"]
[Result "1-0"]
[ECO "A88"]
[WhiteElo "2315"]
[BlackElo "2293"]
[PlyCount "79"]
[EventDate "2023.11.11"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nf3 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 d6 7. Nc3 c6 8. Qc2 Na6 9. a3 Qe8 10. b4 e5 11. b5 Nc7 12. bxc6 bxc6 13. dxe5 dxe5 14. e4 fxe4 15. Ng5 Bf5 16. Ngxe4 Ne6 17. Qa4 Nxe4 18. Nxe4 Nd4 19. Be3 Qe7 20. Rfe1 h6 21. Bxd4 exd4 22. Qxc6 Rac8 23. Qd5+ Kh8 24. Nd6 Qf6 25. Nxc8 Bxc8 26. Ra2 Rd8 27. Qc6 Qf8 28. Rae2 Rd6 29. Re8 Rxc6 30. Rxf8+ Bxf8 31. Bxc6 Kg7 32. Re8 Bf5 33. Be4 Bh3 34. Rd8 Bc5 35. Rd5 Bxa3 36. Rxd4 a5 37. Rd5 Bb4 38. c5 Be6 39. Rd6 Kf6 40. Bd5 1-0

[Event "GER-ch Rapid 49th"]
[Site "Dinkelsbuehl"]
[Date "2023.11.11"]
[Round "3"]
[White "Weber, Samuel"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "2263"]
[BlackElo "2293"]
[PlyCount "84"]
[EventDate "2023.11.11"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 g6 5. g3 Bg7 6. Bg2 Nc6 7. 0-0 Nge7 8. Re1 b6 9. c3 0-0 10. a4 Qc7 11. exd5 exd5 12. Nb3 Bf5 13. d4 c4 14. Nbd2 Rae8 15. Nf1 Qc8 16. Ne3 Bh3 17. Bh1 h6 18. b3 cxb3 19. Qxb3 Na5 20. Qc2 Rd8 21. Ba3 Rfe8 22. Bxe7 Rxe7 23. Nd2 Red7 24. Rab1 Be6 25. Rb5 Nc6 26. Qd3 Rd6 27. Qb1 Ne7 28. Qb3 Rc6 29. Nb1 Qd7 30. a5 bxa5 31. Rxa5 Rb6 32. Qa3 Nc6 33. Rxd5 Bxd5 34. Nxd5 Rb5 35. Ne3 Rdb8 36. Nd2 Nxd4 37. cxd4 Qxd4 38. Nf3 Qc3 39. Qxa7 Rb1 40. Rxb1 Rxb1+ 41. Nf1 Qd3 42. Bg2 Rxf1+ 1/2-1/2

[Event "EU-Cup 38th"]
[Site "Durres"]
[Date "2023.10.05"]
[Round "5.4"]
[White "Pezelj, Novak"]
[Black "Harff, Marcel"]
[Result "1-0"]
[ECO "E19"]
[WhiteElo "2476"]
[BlackElo "2295"]
[PlyCount "65"]
[EventDate "2023.10.01"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "ALB"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Zmaj"]
[BlackTeam "KSK Rochade"]
[WhiteTeamCountry "SRB"]
[BlackTeamCountry "BEL"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Be4 10. Rd1 c6 11. Bf1 d5 12. Bf4 Nd7 13. cxd5 cxd5 14. Rac1 Bxf3 15. exf3 a6 16. Qc6 Ra7 17. Bc7 Qc8 18. Bf4 Qxc6 19. Rxc6 g5 20. Be3 Rb8 21. f4 h6 22. f5 Nf8 23. fxe6 fxe6 24. Bh3 Kf7 25. f4 Bf6 26. Rf1 Kg7 27. fxg5 hxg5 28. Bxe6 Re7 29. Bxd5 Nh7 30. Be6 Rbe8 31. d5 Nf8 32. Rxf6 Kxf6 33. Bd4+ 1-0

[Event "Bautzen op 2nd"]
[Site "Bautzen"]
[Date "2023.08.10"]
[Round "4"]
[White "Langheinrich, Ferenc"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2366"]
[BlackElo "2309"]
[PlyCount "47"]
[EventDate "2023.08.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b3 c5 2. Bb2 Nc6 3. Nf3 Nf6 4. c4 e6 5. g3 b6 6. Bg2 Bb7 7. 0-0 Be7 8. Nc3 0-0 9. d4 Nxd4 10. Nxd4 Bxg2 11. Kxg2 cxd4 12. Qxd4 Qc7 13. Qf4 Qc6+ 14. Qf3 Rac8 15. Rfd1 Rfd8 16. Nb5 a6 17. Nd4 Qxf3+ 18. Kxf3 d5 19. cxd5 Rxd5 20. Rac1 Rcd8 21. e4 R5d7 22. e5 Ne8 23. Ke2 Bc5 24. Ke3 1/2-1/2

[Event "BEL-chT 2223"]
[Site "Belgium"]
[Date "2023.04.16"]
[Round "10.2"]
[White "Harff, Marcel"]
[Black "Decrop, Benjamin"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "2325"]
[BlackElo "2235"]
[PlyCount "86"]
[EventDate "2022.09.25"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Eupen Rochade"]
[BlackTeam "Oostende"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. e3 c5 5. cxd5 exd5 6. d4 Nc6 7. Bb5 a6 8. Bxc6+ bxc6 9. 0-0 cxd4 10. exd4 Bd6 11. Re1+ Be6 12. Bg5 0-0 13. Na4 h6 14. Bh4 Bg4 15. Rc1 Rc8 16. Qd3 Bf4 17. Rc3 Bxf3 18. gxf3 Qd6 19. Bg3 h5 20. Nc5 Rce8 21. Rf1 h4 22. Bxh4 Bxh2+ 23. Kh1 Qf4 24. Bxf6 Qxf6 25. f4 Bxf4 26. Nd7 Qe6 27. Nxf8 Rxf8 28. Rg1 g5 29. Qf3 Kg7 30. Kg2 Rh8 31. Rh1 Rxh1 32. Kxh1 Qf5 33. Kg2 g4 34. Qd3 Qe6 35. Kf1 Qh6 36. Ke2 Qh5 37. Rxc6 Qh1 38. Rc3 Kf6 39. Qxa6+ Kg5 40. Qd3 Qh2 41. Rc5 g3 42. Qf3 g2 43. Rc8 g1N+ 0-1

[Event "BEL-chT 2223"]
[Site "Belgium"]
[Date "2023.03.05"]
[Round "8.5"]
[White "Pirard, Gregory"]
[Black "Harff, Marcel"]
[Result "0-1"]
[ECO "E67"]
[WhiteElo "2077"]
[BlackElo "2325"]
[PlyCount "64"]
[EventDate "2022.09.25"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Liege Crelel"]
[BlackTeam "Eupen Rochade"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 d6 5. Nc3 Nbd7 6. 0-0 g6 7. d4 Qc7 8. h3 Bg7 9. Be3 0-0 10. Rc1 Re8 11. b4 exd4 12. Bxd4 Ne5 13. Nd2 Be6 14. Na4 d5 15. Nc5 Rad8 16. Nxe6 Rxe6 17. c5 Ne4 18. Nb3 f5 19. Na5 h5 20. e3 Qe7 21. a4 a6 22. Qe2 h4 23. gxh4 f4 24. Bxe4 dxe4 25. Bxe5 f3 26. Qc4 Bxe5 27. Kh1 Rd5 28. Rg1 Qxh4 29. Qf1 Rd2 30. Rg4 Qxf2 31. Qxf2 Rxf2 32. Rc4 Re2 0-1

[Event "BL2-West 2223"]
[Site "Germany"]
[Date "2023.02.26"]
[Round "8.7"]
[White "Harff, Marcel"]
[Black "Dolzhikova, Kateryna"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "2327"]
[BlackElo "2204"]
[PlyCount "66"]
[EventDate "2022.10.22"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Duesseldorf"]
[BlackTeam "Oberursel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 b6 2. Nc3 Bb7 3. e4 e5 4. d3 Bc5 5. Nf3 Nc6 6. Be2 Nge7 7. a3 a5 8. 0-0 0-0 9. Nd5 d6 10. Rb1 Nd4 11. Be3 Nxf3+ 12. Bxf3 a4 13. Nc3 Qd7 14. Bg4 f5 15. Bh3 Qe8 16. Nd5 Nxd5 17. cxd5 f4 18. Be6+ Kh8 19. Bxc5 bxc5 20. f3 Qb5 21. b4 Ba6 22. Rf2 Rfb8 23. Rd2 cxb4 24. axb4 a3 25. g3 Qb6+ 26. Kg2 fxg3 27. hxg3 Qd4 28. Qb3 Qe3 29. Qc3 Rf8 30. Bg4 Bc8 31. Bxc8 Qxf3+ 32. Kh2 Raxc8 33. Qxa3 Rf6 0-1

[Event "BEL-chT 2223"]
[Site "Belgium"]
[Date "2023.02.12"]
[Round "7.3"]
[White "Harff, Marcel"]
[Black "De Schampheleire, Glen"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "2325"]
[BlackElo "2389"]
[PlyCount "60"]
[EventDate "2022.09.25"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Eupen Rochade"]
[BlackTeam "KBSK Brugge"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. c4 e6 2. Nc3 d5 3. e3 c5 4. cxd5 exd5 5. d4 cxd4 6. exd4 Nf6 7. Nf3 Be7 8. Bb5+ Nbd7 9. Qb3 0-0 10. 0-0 Nb6 11. Ne5 Be6 12. Bg5 Rc8 13. Rfe1 Ne4 14. Bxe7 Qxe7 15. a4 Nxc3 16. bxc3 Rc7 17. Re3 Nc8 18. Rae1 Nd6 19. Bd3 Rfc8 20. Qb1 g6 21. c4 dxc4 22. d5 cxd3 23. Nxd3 Nc4 24. R3e2 Na3 25. Qd1 Nc2 26. Rf1 Nd4 27. Re4 Qf6 28. dxe6 Nxe6 29. Rb4 Rd8 30. Qb3 Rc3 0-1

[Event "BL2-West 2223"]
[Site "Germany"]
[Date "2023.02.04"]
[Round "5.7"]
[White "Harff, Marcel"]
[Black "Berg, Michael"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2325"]
[BlackElo "2313"]
[PlyCount "43"]
[EventDate "2022.10.22"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Duesseldorf"]
[BlackTeam "Solingen II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 g6 5. b3 Bg7 6. Bb2 0-0 7. Be2 b6 8. 0-0 Bb7 9. cxd5 Nxd5 10. Rc1 c5 11. d4 Nd7 12. Nxd5 Bxd5 13. Qc2 cxd4 14. Bxd4 Bxd4 15. Nxd4 Rc8 16. Qd2 Rxc1 17. Rxc1 Nc5 18. f3 Bb7 19. Rd1 a5 20. b4 axb4 21. Qxb4 Qc7 22. Nb3 1/2-1/2

[Event "GER CupT"]
[Site "Germany"]
[Date "2023.01.29"]
[Round "2.2"]
[White "Harff, Marcel"]
[Black "Eichstaedt, Mirko"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "2327"]
[BlackElo "2234"]
[PlyCount "103"]
[EventDate "2023.01.28"]
[EventType "team-k.o."]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Duesseldorf"]
[BlackTeam "DBSB"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 g6 5. d4 exd4 6. exd4 Bg7 7. d5 Qe7+ 8. Be2 Ne5 9. 0-0 d6 10. Nd4 0-0 11. h3 Ned7 12. Re1 Re8 13. Be3 Nc5 14. Bf3 Bd7 15. Qc2 a5 16. Re2 Nfe4 17. Bxe4 Nxe4 18. Ncb5 Bxb5 19. Nxb5 Qd7 20. Rae1 c6 21. dxc6 bxc6 22. Nd4 d5 23. Nf3 Nd6 24. cxd5 cxd5 25. Bd4 Rxe2 26. Rxe2 Rc8 27. Qd2 Nc4 28. Qf4 Bxd4 29. Qxd4 a4 30. h4 Qf5 31. Kh2 h6 32. b3 axb3 33. axb3 Na5 34. Qd2 Nxb3 35. Qxh6 Qf6 36. h5 Qh8 37. Qxh8+ Kxh8 38. hxg6 fxg6 39. Re6 Kh7 40. Ng5+ Kg7 41. f4 d4 42. Re7+ Kg8 43. Rd7 Rc3 44. Ne4 Re3 45. Nf6+ Kf8 46. Ng4 Re4 47. Kg3 Nc5 48. Rd6 Ne6 49. Ne5 Nxf4 50. Nxg6+ Nxg6 51. Rxg6 Kf7 52. Rg4 1/2-1/2

[Event "GER CupT"]
[Site "Germany"]
[Date "2023.01.28"]
[Round "1.2"]
[White "Harff, Marcel"]
[Black "Schulenburg, Torben"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2327"]
[BlackElo "2222"]
[PlyCount "75"]
[EventDate "2023.01.28"]
[EventType "team-k.o."]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Duesseldorf"]
[BlackTeam "Hamburg Diogenes"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 g6 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. h4 Nxc3 6. bxc3 b6 7. e3 Bb7 8. h5 Bg7 9. Qa4+ Qd7 10. Qh4 Bf6 11. Qh2 Qd6 12. Bb5+ c6 13. Be2 Qxh2 14. Rxh2 c5 15. Bb2 Nd7 16. a4 0-0-0 17. a5 g5 18. axb6 axb6 19. d4 Kc7 20. 0-0-0 Rhg8 21. g4 Nb8 22. Nd2 e5 23. dxc5 bxc5 24. c4 Nd7 25. Bd3 h6 26. Be4 Nb6 27. Bxb7 Kxb7 28. Rhh1 Bg7 29. Bc3 Ra8 30. Ne4 Kc7 31. Nd6 Ra4 32. Kc2 Rga8 33. Nf5 Bf6 34. Rd6 Rxc4 35. Kb3 Be7 36. Rxh6 Rxg4 37. Nxe7 Rb8 38. Bxe5+ 1-0

[Event "BEL-chT 2223"]
[Site "Belgium"]
[Date "2022.12.04"]
[Round "5.4"]
[White "Harff, Marcel"]
[Black "Van Volsem, Merlijn"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2325"]
[BlackElo "2116"]
[PlyCount "71"]
[EventDate "2022.09.25"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Eupen Rochade"]
[BlackTeam "KGSRL"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. c4 Nf6 2. Nf3 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3 6. Qxc3 d5 7. e3 c5 8. b4 Nbd7 9. Be2 b6 10. Bb2 Bb7 11. d3 Re8 12. Ne5 Rc8 13. 0-0 Qc7 14. Nxd7 Qxd7 15. Qe5 Red8 16. Rfc1 d4 17. exd4 cxd4 18. Rc2 Ne8 19. Bg4 Qd6 20. Qxd6 Rxd6 21. Rac1 f5 22. Bd1 Nf6 23. c5 bxc5 24. Rxc5 Rxc5 25. Rxc5 Ba6 26. b5 Nd7 27. Rc6 Rxc6 28. bxc6 Ne5 29. c7 Kf7 30. Bxd4 Nc6 31. Bc3 Ke7 32. Bxg7 Kd7 33. Bb3 Bc8 34. f4 Kxc7 35. Kf2 Kd7 36. d4 1-0

[Event "BEL-chT 2223"]
[Site "Belgium"]
[Date "2022.11.20"]
[Round "4.5"]
[White "Harff, Marcel"]
[Black "Matnadze, Ana"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "2325"]
[BlackElo "2391"]
[PlyCount "118"]
[EventDate "2022.09.25"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Eupen Rochade"]
[BlackTeam "Wachtebeke"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. c4 e5 2. Nc3 Nc6 3. e3 g6 4. a3 Bg7 5. g3 d6 6. Bg2 Be6 7. Nd5 Qd7 8. d3 Nd8 9. Nf3 c6 10. Nc3 h6 11. 0-0 Ne7 12. Qe2 0-0 13. d4 Bh3 14. Rd1 Bxg2 15. Kxg2 exd4 16. Nxd4 Ne6 17. Nf3 Rad8 18. Bd2 Rfe8 19. Be1 Nf5 20. Qc2 Ng5 21. Nxg5 hxg5 22. Rd3 Qe6 23. b3 d5 24. Rad1 d4 25. Kg1 Bf6 26. Na4 b6 27. Nb2 dxe3 28. Rxd8 Rxd8 29. Rxd8+ Bxd8 30. fxe3 Nxe3 31. Qd3 Bf6 32. Bd2 Ng4 33. Nd1 Ne5 34. Qe2 g4 35. Kg2 Qf5 36. Bc3 Nd7 37. Bxf6 Nxf6 38. Nf2 Kg7 39. Qb2 Qf3+ 40. Kg1 Kg8 41. Qe5 Nd7 42. Qd4 Nf6 43. Qe5 Qf5 44. Qb8+ Kg7 45. b4 Qb1+ 46. Kg2 Qb2 47. Qf4 Qxa3 48. Nxg4 Nxg4 49. Qxg4 Qb2+ 50. Kh3 a5 51. c5 bxc5 52. bxa5 Qa1 53. Qe4 Qxa5 54. Qxc6 Qc3 55. Kg4 Qe3 56. Qc7 Qe2+ 57. Kh3 Qf1+ 58. Kh4 c4 59. Qc5 Qf5 0-1

[Event "BEL-chT 2223"]
[Site "Belgium"]
[Date "2022.10.16"]
[Round "2.4"]
[White "Harff, Marcel"]
[Black "De Wachter, Matthias"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2325"]
[BlackElo "2291"]
[PlyCount "47"]
[EventDate "2022.09.25"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Eupen Rochade"]
[BlackTeam "Mechelen"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. 0-0 Nc6 9. Nxd7 Qxd7 10. Nc3 Rc8 11. d3 Be7 12. Bg5 Nd4 13. a4 b6 14. Rfd1 0-0 15. e3 Nc6 16. Qb5 Rfd8 17. Bxc6 Qxc6 18. Qxc6 Rxc6 19. Kf1 a6 20. Ke2 Kf8 21. Rac1 h6 22. Bxf6 Bxf6 23. Rc2 Bxc3 24. Rxc3 1/2-1/2

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2022.08.08"]
[Round "8"]
[White "Finke, Dominik"]
[Black "Harff, Marcel"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2077"]
[BlackElo "2329"]
[PlyCount "68"]
[EventDate "2022.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Qg4 f5 8. Qh5+ Qf7 9. Qxf7+ Kxf7 10. Nf3 cxd4 11. cxd4 h6 12. Rb1 Ne7 13. a4 Nbc6 14. Ba3 b6 15. Bb5 Bb7 16. 0-0 Rhc8 17. Rfc1 g5 18. c3 Na5 19. Nd2 Bc6 20. c4 dxc4 21. Nxc4 Nxc4 22. Rxc4 Bxb5 23. Rxc8 Rxc8 24. axb5 Nd5 25. h3 Rc4 26. Bd6 Nc3 27. Rb2 Rxd4 28. Rb3 Ne2+ 29. Kh2 Ra4 30. Rd3 h5 31. Bb8 Ke7 32. g3 g4 33. hxg4 hxg4 34. Kg2 f4 0-1

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2022.08.08"]
[Round "9"]
[White "Harff, Marcel"]
[Black "Huckebrink, Chris"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "2329"]
[BlackElo "2055"]
[PlyCount "5"]
[EventDate "2022.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. d4 1/2-1/2

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2022.08.07"]
[Round "7"]
[White "Harff, Marcel"]
[Black "Schouten, Jordy"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2329"]
[BlackElo "2126"]
[PlyCount "47"]
[EventDate "2022.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 g6 2. h4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. Nf3 h5 6. Qb3 Nb6 7. Ng5 e6 8. e3 Bg7 9. a4 0-0 10. a5 N6d7 11. Be2 Nc5 12. Qc4 b6 13. b4 Ba6 14. b5 Bb7 15. d4 Bxg2 16. Rg1 Bd5 17. Nxd5 Qxd5 18. Qc2 Nbd7 19. Rb1 Rac8 20. dxc5 Nxc5 21. Ba3 Rfd8 22. Bxc5 bxc5 23. Nxf7 Rf8 24. Bc4 1-0

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2022.08.07"]
[Round "6"]
[White "Thieme, Daniel Otis"]
[Black "Harff, Marcel"]
[Result "0-1"]
[ECO "E09"]
[WhiteElo "2019"]
[BlackElo "2329"]
[PlyCount "104"]
[EventDate "2022.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Nbd2 c6 6. Bg2 d5 7. Qc2 Nbd7 8. 0-0 Be7 9. b3 0-0 10. e4 c5 11. Re1 Rc8 12. exd5 exd5 13. Ba3 Re8 14. cxd5 cxd4 15. Bxe7 Rxe7 16. Qf5 g6 17. Qg5 Rxe1+ 18. Rxe1 d3 19. Nd4 Qf8 20. Nc6 Kg7 21. Qe3 Qa3 22. Qd4 Qxa2 23. Qc3 Qc2 24. Qxc2 dxc2 25. Rc1 Bd3 26. b4 a6 27. Nb3 Bc4 28. Na1 Re8 29. Nxc2 Bxd5 30. Bxd5 Nxd5 31. Ra1 Ra8 32. f4 Kf6 33. Kf2 Ke6 34. Ne3 Nxe3 35. Kxe3 Kd6 36. b5 Re8+ 37. Kd4 Nc5 38. Rd1 axb5 39. Na7 Re2 40. Kc3+ Ke7 41. Nc8+ Kf6 42. Nxb6 Rxh2 43. g4 Ne4+ 44. Kb3 g5 45. Nd5+ Kg7 46. f5 Rh4 47. Nc7 Nf6 48. Nxb5 Rxg4 49. Nd6 h5 50. Re1 Rd4 51. Nc4 Rd5 52. Re7 Ng8 0-1

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2022.08.06"]
[Round "5"]
[White "Harff, Marcel"]
[Black "Scholtes, Benedikt"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2329"]
[BlackElo "2058"]
[PlyCount "83"]
[EventDate "2022.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 f5 2. g3 Nf6 3. Bg2 g6 4. b4 Bg7 5. Bb2 0-0 6. Qb3 d6 7. d4 Qe8 8. Nf3 h6 9. Na3 c6 10. c5+ d5 11. Ne5 Nbd7 12. Nd3 a6 13. Nc2 Ne4 14. f3 Ng5 15. h4 Nh7 16. 0-0-0 Kh8 17. Ne5 Nhf6 18. Ne1 Nxe5 19. dxe5 Nd7 20. Nd3 e6 21. e4 Qe7 22. Nf4 Kh7 23. h5 gxh5 24. exd5 cxd5 25. Rde1 a5 26. a3 axb4 27. axb4 Nb8 28. Nxh5 Nc6 29. Rh4 b6 30. cxb6 Ba6 31. Nxg7 Kxg7 32. Reh1 Rh8 33. Qe3 Nxb4 34. Rxh6 Nd3+ 35. Kb1 f4 36. Rxh8 Rxh8 37. Qd4 Rxh1+ 38. Bxh1 fxg3 39. Qa4 Qb4 40. Qd7+ Kh8 41. Qd8+ Kh7 42. Qd7+ 1/2-1/2

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2022.08.06"]
[Round "4"]
[White "Reuter, Julian Frank"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "1883"]
[BlackElo "2329"]
[PlyCount "50"]
[EventDate "2022.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. 0-0 cxd4 6. Qxd4 Nc6 7. Qd3 Rc8 8. c4 d5 9. cxd5 Qxd5 10. Qxd5 Nxd5 11. Bd2 Ba6 12. Rc1 e6 13. Nc3 Nf6 14. a4 Bc5 15. Nb5 0-0 16. e3 Rfd8 17. Bc3 Nd5 18. Bd4 Na5 19. Rd1 Nb3 20. Rab1 Bb7 21. Nxa7 Ra8 22. Bxc5 Nxc5 23. Nb5 Nxa4 24. Nfd4 Rac8 25. Rd2 Rd7 1/2-1/2

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2022.08.05"]
[Round "3"]
[White "Harff, Marcel"]
[Black "Uhl, Benjamin"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2329"]
[BlackElo "2061"]
[PlyCount "151"]
[EventDate "2022.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. Nxd7 Nbxd7 9. Nc3 Be7 10. d3 0-0 11. 0-0 Rd8 12. Qb3 Nb6 13. a4 Nbd5 14. a5 b6 15. axb6 Qb7 16. Bg5 Qxb6 17. Qa2 Qd6 18. Qc4 Rab8 19. Ra6 Rb6 20. Rfa1 h6 21. Bc1 Qe5 22. Rxa7 Bf8 23. Bf3 Rb4 24. Qa2 c4 25. Bd2 Nb6 26. Bf4 Qf5 27. Bc7 Rd4 28. Ra5 Nbd5 29. dxc4 Rdxc4 30. Bd8 Qc2 31. Ra8 g6 32. Nxd5 Nxd5 33. Bxd5 exd5 34. Be7 Rxb2 35. Rxf8+ Kg7 36. Qa3 Qxe2 37. Rf1 Rc1 38. Bf6+ Kxf6 39. Qd6+ Kg7 40. Rxf7+ Kxf7 41. Qf4+ Kg7 42. Rxc1 Rb7 43. Qd4+ Kh7 44. Qxd5 Re7 45. h4 h5 46. Qd4 Qe5 47. Qd8 Rf7 48. Qd3 Qf5 49. Qe2 Qf3 50. Qd2 Qf5 51. Rc4 Qb1+ 52. Kg2 Qb7+ 53. Kh2 Qf3 54. Rf4 Rxf4 55. Qxf4 Qb7 56. Qe5 Qf7 57. Qe2 Qb7 58. f3 Qf7 59. Kg2 Qb7 60. Qe4 Qb2+ 61. Kh3 Qf2 62. g4 hxg4+ 63. Kxg4 Qg2+ 64. Kf4 Qh2+ 65. Kg5 Qd2+ 66. Kf6 Qc3+ 67. Ke6 Qc8+ 68. Kf7 Qg8+ 69. Ke7 Qg7+ 70. Ke8 Qg8+ 71. Kd7 Qb8 72. Qe7+ Kh6 73. Qe3+ Kg7 74. Qc3+ Kh7 75. Qc7 Qxc7+ 76. Kxc7 1/2-1/2

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2022.08.05"]
[Round "2"]
[White "Pienski, Olaf"]
[Black "Harff, Marcel"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1911"]
[BlackElo "2329"]
[PlyCount "83"]
[EventDate "2022.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. d3 d5 5. Nbd2 Nc6 6. Be2 g6 7. 0-0 Bg7 8. Re1 0-0 9. exd5 Qxd5 10. Qc2 b6 11. Ne4 Bb7 12. Bg5 Ne8 13. c4 Qd7 14. Nc3 Nd6 15. Rad1 h6 16. Be3 Nf5 17. a3 Rfd8 18. Qc1 Kh7 19. Ne4 Qe7 20. Ng3 Nfd4 21. Nxd4 Nxd4 22. Bf1 Bc6 23. Bxd4 Rxd4 24. Ne2 Rd7 25. Nc3 Rad8 26. Qe3 Bd4 27. Qg3 h5 28. Rd2 Kg7 29. Nb5 h4 30. Qg4 Bf6 31. Qe2 Bg5 32. Rdd1 Bf6 33. Qc2 Rh8 34. Nc3 Rh5 35. Ne4 Bd4 36. Be2 Rf5 37. Rf1 Rd8 38. Qc1 Qc7 39. Bg4 Rf4 40. Bf3 h3 41. Rde1 Rh8 42. Qd1 0-1

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2022.08.04"]
[Round "1"]
[White "Harff, Marcel"]
[Black "Xue, Luka"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2329"]
[BlackElo "1619"]
[PlyCount "67"]
[EventDate "2022.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 c6 2. g3 Nf6 3. Bg2 d5 4. Nf3 dxc4 5. Qc2 Nbd7 6. 0-0 Nb6 7. Na3 Be6 8. Ne5 h5 9. h3 h4 10. g4 Qc7 11. f4 Nfd5 12. d4 cxd3 13. Nxd3 a5 14. Bd2 Nb4 15. Nxb4 axb4 16. Bxb4 Nd5 17. Bd2 Qb6+ 18. Rf2 Rd8 19. f5 Bc8 20. Nc4 Qc5 21. Qb3 e6 22. e4 Nb4 23. Be3 Qb5 24. Bf1 Nd3 25. Bxd3 Qxb3 26. axb3 Rxd3 27. Ra8 Rd1+ 28. Kg2 Rd8 29. Bb6 exf5 30. exf5 Be7 31. Re2 f6 32. Bxd8 Kxd8 33. Nb6 Kc7 34. Rxc8+ 1-0

[Event "Bundesliga 2122"]
[Site "Germany"]
[Date "2022.07.08"]
[Round "12.4"]
[White "Maze, Sebastien"]
[Black "Harff, Marcel"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2527"]
[BlackElo "2359"]
[PlyCount "59"]
[EventDate "2022.03.05"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]
[WhiteTeam "Viernheim"]
[BlackTeam "Duesseldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. Nc3 Nf6 7. Be3 b6 8. h3 0-0 9. Qd2 Re8 10. Bh6 e5 11. Bxg7 Kxg7 12. g4 h5 13. g5 Nh7 14. 0-0-0 Qe7 15. Rdg1 Nf8 16. Nh4 Kh7 17. f4 exf4 18. Qxf4 Ne6 19. Qe3 Nd4 20. Rf1 Kg7 21. Rf6 Qe5 22. Rhf1 Be6 23. Ng2 Re7 24. h4 Rd8 25. Nf4 Bg4 26. Qf2 Rdd7 27. Rxg6+ fxg6 28. Nxh5+ Kh7 29. Nf6+ Kh8 30. Nxd7 1-0

[Event "Bundesliga 2122"]
[Site "Germany"]
[Date "2022.07.07"]
[Round "11.3"]
[White "Harff, Marcel"]
[Black "Nikolic, Predrag"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2359"]
[BlackElo "2541"]
[PlyCount "71"]
[EventDate "2022.03.05"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]
[WhiteTeam "Duesseldorf"]
[BlackTeam "Solingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nf3 b6 3. g3 c5 4. Bg2 Bb7 5. b3 g6 6. Bb2 Bg7 7. 0-0 0-0 8. d4 cxd4 9. Qxd4 d6 10. Qd2 Nbd7 11. Nc3 a6 12. Nd4 Bxg2 13. Kxg2 Nc5 14. f3 e6 15. Rad1 Qc7 16. Qc1 Rfd8 17. Qa1 Qb7 18. Nc2 Ne8 19. Ne3 f5 20. Rc1 Bh6 21. Ncd1 b5 22. Bd4 Rac8 23. h4 e5 24. Bxc5 Rxc5 25. h5 Nf6 26. hxg6 hxg6 27. Rh1 Kg7 28. Rc3 Qe7 29. Qb2 Rh8 30. Qa3 a5 31. Qb2 b4 32. Rd3 e4 33. Rd5 exf3+ 34. exf3 Re8 35. Re1 Bxe3 36. Rxe3 1/2-1/2

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2022.06.19"]
[Round "6"]
[White "Beerdsen, Thomas"]
[Black "Harff, Marcel"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "2494"]
[BlackElo "2329"]
[PlyCount "53"]
[EventDate "2022.06.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bg5 Be7 7. Nxf6+ Bxf6 8. h4 c5 9. Qd2 cxd4 10. Nxd4 h6 11. Bxf6 Nxf6 12. 0-0-0 a6 13. Bd3 Qc7 14. g4 Nxg4 15. Rhg1 Ne5 16. Rxg7 Bd7 17. Kb1 0-0-0 18. Be2 Nc4 19. Bxc4 Qxc4 20. Qf4 Rhe8 21. b3 Qc5 22. Qxf7 Rf8 23. Qg6 Kb8 24. Rd3 e5 25. Rxd7 Rxd7 26. Ne6 Rd6 27. Nxc5 1-0

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2022.06.19"]
[Round "5"]
[White "Van Foreest, Machteld"]
[Black "Harff, Marcel"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2295"]
[BlackElo "2329"]
[PlyCount "62"]
[EventDate "2022.06.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 Nbd7 6. Ne2 e5 7. Bg5 h6 8. dxe5 hxg5 9. exf6 Qxf6 10. Qd4 Bc5 11. Qxf6 Nxf6 12. g3 Ng4 13. Bxg4 Bxg4 14. Nd2 0-0-0 15. h3 Bxe2 16. Kxe2 Rhe8+ 17. Kd1 Bxf2 18. c3 Rd6 19. Rc1 Bxg3 20. Rc2 Bf4 21. Rf1 Red8 22. Rf2 f5 23. Re2 Rxd2+ 24. Rcxd2 Rxd2+ 25. Rxd2 Bxd2 26. Kxd2 Kd7 27. Ke3 Ke6 28. Kd4 b6 29. b3 c5+ 30. Ke3 Ke5 31. Kf3 g4+ 0-1

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2022.06.18"]
[Round "4"]
[White "Harff, Marcel"]
[Black "Lanchava, Tea"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2329"]
[BlackElo "2231"]
[PlyCount "15"]
[EventDate "2022.06.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 c6 4. Nc3 d6 5. Nf3 Nd7 6. d4 Nh6 7. 0-0 0-0 8. Qc2 1/2-1/2

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2022.06.18"]
[Round "3"]
[White "Tabak, Stefan"]
[Black "Harff, Marcel"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2164"]
[BlackElo "2329"]
[PlyCount "110"]
[EventDate "2022.06.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 Rc8 7. 0-0 cxd4 8. Re1 dxc3 9. Nxc3 h6 10. a3 a6 11. Be3 Na5 12. Bf4 Ne7 13. h4 Nc4 14. Qe2 Qb6 15. b4 Qd8 16. h5 b5 17. g4 Nb6 18. Rac1 g5 19. hxg6 Nxg6 20. Bg3 Rg8 21. Kg2 Be7 22. Rh1 Bg5 23. Nxg5 Qxg5 24. Bxg6 Rxg6 25. f4 Qxg4 26. Qxg4 Rxg4 27. Kf3 Rg6 28. Ne2 Rxc1 29. Rxc1 Nc4 30. Bh4 Bc6 31. Nd4 Bb7 32. Bf6 Kd7 33. f5 exf5 34. Rd1 f4 35. Kxf4 Rg2 36. Nb3 Kc7 37. Nc5 Rf2+ 38. Kg3 Rd2 39. Rh1 Ne3 40. Kf4 d4 41. Nxb7 Kxb7 42. Rxh6 Nd5+ 43. Ke4 Nc3+ 44. Kf3 Rd3+ 45. Kf4 Rd1 46. Rh7 Rf1+ 47. Kg4 d3 48. Bg5 Kc6 49. Rh6+ Kc7 50. Rxa6 Rg1+ 51. Kf5 Rxg5+ 52. Kxg5 d2 53. Ra7+ Kd8 54. Ra8+ Ke7 55. Ra7+ Ke6 0-1

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2022.06.17"]
[Round "2"]
[White "Harff, Marcel"]
[Black "Ercan, Selman"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2329"]
[BlackElo "2094"]
[PlyCount "63"]
[EventDate "2022.06.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. c4 c6 2. g3 d5 3. Bg2 e5 4. cxd5 cxd5 5. d4 e4 6. Nc3 Nc6 7. e3 Nf6 8. Nge2 Bd6 9. f3 exf3 10. Bxf3 0-0 11. 0-0 Bh3 12. Bg2 Bxg2 13. Kxg2 Qe7 14. Qd3 Rad8 15. Bd2 Bb8 16. Rf2 Ne4 17. Nxe4 dxe4 18. Qb3 Rd7 19. Raf1 Qg5 20. Rf5 Qg6 21. Rb5 Nd8 22. Rd5 Rxd5 23. Qxd5 Ne6 24. Bb4 Rd8 25. Qxb7 Qh5 26. Ng1 f5 27. d5 Nf8 28. Bc3 Nd7 29. Ba5 Nb6 30. Bxb6 axb6 31. Qxb6 Re8 32. Qc6 1-0

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2022.06.17"]
[Round "1"]
[White "Markus, John Raymond"]
[Black "Harff, Marcel"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2019"]
[BlackElo "2329"]
[PlyCount "86"]
[EventDate "2022.06.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e3 Qb6 5. Bxf6 gxf6 6. Nbd2 cxd4 7. exd4 Qxb2 8. Bd3 Nc6 9. 0-0 Nb4 10. Rb1 Qa3 11. Bc4 d5 12. Bb5+ Kd8 13. c3 a6 14. Be2 Qxc3 15. Qa4 Bd7 16. Qa5+ Qc7 17. Qa3 Nc6 18. Qb2 Rb8 19. Nb3 Bd6 20. Rfc1 Ke7 21. Nc5 Bxc5 22. Rxc5 Qd6 23. Qb6 Rhc8 24. Kf1 Nd8 25. Qxd6+ Kxd6 26. Rb6+ Rc6 27. Rcxc6+ Nxc6 28. Ke1 h6 29. Kd2 e5 30. dxe5+ fxe5 31. g3 Kc5 32. Rb1 b5 33. a3 a5 34. Rc1+ Kd6 35. Rb1 b4 36. axb4 Rxb4 37. Rxb4 axb4 38. Ne1 Nd4 39. Bd1 Bb5 40. f4 e4 41. g4 Ne6 42. f5 Nd4 43. Ng2 Nf3+ 0-1

[Event "Bundesliga 2122"]
[Site "Germany"]
[Date "2022.05.15"]
[Round "8.7"]
[White "Harff, Marcel"]
[Black "Meister, Peter"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2359"]
[BlackElo "2346"]
[PlyCount "41"]
[EventDate "2022.03.05"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Duesseldorf"]
[BlackTeam "Bayern Muenchen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. d4 cxd4 6. Qxd4 Nf6 7. Nc3 Bg7 8. 0-0 0-0 9. Qh4 d6 10. Bh6 Nbd7 11. Bxg7 Kxg7 12. Rfd1 Rc8 13. b3 h6 14. Qd4 Re8 15. Ne1 Bxg2 16. Nxg2 Qc7 17. Ne3 Qc5 18. Ncd5 Qxd4 19. Rxd4 h5 20. h4 Kf8 21. Kf1 1/2-1/2

[Event "Bundesliga 2122"]
[Site "Germany"]
[Date "2022.05.14"]
[Round "7.7"]
[White "Yankelevich, Lev"]
[Black "Harff, Marcel"]
[Result "1-0"]
[ECO "E37"]
[WhiteElo "2459"]
[BlackElo "2359"]
[PlyCount "89"]
[EventDate "2022.03.05"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Muenchen 36"]
[BlackTeam "Duesseldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 0-0 8. Nf3 b6 9. e3 Bb7 10. cxd5 exd5 11. Bd3 Nd7 12. 0-0 a5 13. b3 f5 14. Bb2 c6 15. Ne5 Nxe5 16. dxe5 Qg5 17. b4 c5 18. bxc5 Nxc5 19. f4 Qg6 20. Bb5 Rfc8 21. Bd4 a4 22. Rad1 Nb3 23. Qd3 Qe6 24. g4 Rf8 25. h3 Nc5 26. Qe2 Ra5 27. Rb1 Bc8 28. g5 Nb3 29. Rfd1 h6 30. h4 Rf7 31. Bxa4 Ba6 32. Qf3 Rxa4 33. Rxb3 b5 34. Kf2 Rc7 35. Rd2 Kh7 36. Kg3 Rc1 37. Bb2 Rc5 38. Rb4 Bb7 39. Bd4 Rxb4 40. axb4 Rc4 41. Ra2 Rxb4 42. Ra7 Qc6 43. Qh5 Ra4 44. Qf7 Rxa7 45. e6 1-0

[Event "BEL-chT 2122"]
[Site "Belgium"]
[Date "2022.05.01"]
[Round "5.2"]
[White "Kokje, Joris"]
[Black "Harff, Marcel"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2256"]
[BlackElo "2357"]
[PlyCount "61"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Brasschaat"]
[BlackTeam "KSK Rochade"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 c6 6. Bg2 d5 7. 0-0 Nbd7 8. Qc2 Rc8 9. Rd1 c5 10. cxd5 cxd4 11. Qb2 e5 12. e3 dxe3 13. Bxe3 Bd6 14. a4 0-0 15. Nc3 Qe7 16. Nb5 Bxb5 17. axb5 Rc7 18. Nd2 Ng4 19. Nc4 Nxe3 20. fxe3 f5 21. Kh1 e4 22. Rac1 Rfc8 23. Bh3 g6 24. g4 Qh4 25. Qg2 f4 26. g5 fxe3 27. Be6+ Kf8 28. Rf1+ Ke7 29. Rf7+ Kd8 30. Rcf1 Ne5 31. Rxc7 1-0

[Event "BEL-chT 2122"]
[Site "Belgium"]
[Date "2022.04.24"]
[Round "11.4"]
[White "Michalczak, Thomas"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2227"]
[BlackElo "2357"]
[PlyCount "30"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "KSK47 Eynatten"]
[BlackTeam "KSK Rochade"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Be7 6. Bd3 Ngf6 7. Nxf6+ Nxf6 8. Bg5 c5 9. 0-0 cxd4 10. Bb5+ Bd7 11. Bxd7+ Qxd7 12. Qxd4 Qxd4 13. Nxd4 Rc8 14. Rfe1 h6 15. Bd2 0-0 1/2-1/2

[Event "Bundesliga 2122"]
[Site "Germany"]
[Date "2022.04.10"]
[Round "4.3"]
[White "Bacrot, Etienne"]
[Black "Harff, Marcel"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2635"]
[BlackElo "2359"]
[PlyCount "51"]
[EventDate "2022.03.05"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Baden-Baden"]
[BlackTeam "Duesseldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Qb6 7. 0-0 cxd4 8. cxd4 Nh6 9. Bxh6 gxh6 10. Qd2 Bg7 11. Nc3 Ne7 12. Bd3 0-0 13. Rae1 Rfc8 14. h4 Ng6 15. h5 Nf8 16. Nd1 a5 17. a3 Bb5 18. Bxb5 Qxb5 19. Ne3 Rc7 20. Ng4 Nd7 21. Nxh6+ Bxh6 22. Qxh6 Qxb2 23. Ng5 Nf8 24. Qf6 h6 25. Re3 hxg5 26. h6 1-0

[Event "Bundesliga 2122"]
[Site "Germany"]
[Date "2022.04.09"]
[Round "3.4"]
[White "Harff, Marcel"]
[Black "Dautov, Rustem"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2359"]
[BlackElo "2596"]
[PlyCount "53"]
[EventDate "2022.03.05"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Duesseldorf"]
[BlackTeam "Deizisau"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. c4 e6 3. b3 d5 4. Bb2 c5 5. e3 Nc6 6. cxd5 exd5 7. Nc3 Bd6 8. Be2 0-0 9. d4 Bg4 10. dxc5 Bxc5 11. 0-0 a6 12. Rc1 Ba7 13. h3 Be6 14. Na4 Ne4 15. Nd4 Qd6 16. Nxc6 bxc6 17. Bd3 f5 18. Qc2 Bd7 19. Bd4 Bxd4 20. exd4 Rae8 21. Nc5 Nxc5 22. Qxc5 Qh6 23. Qa7 Rf7 24. f4 g5 25. Rce1 Rxe1 26. Rxe1 gxf4 27. Qb8+ 1/2-1/2

[Event "BEL-chT 2122"]
[Site "Belgium"]
[Date "2022.03.20"]
[Round "4.2"]
[White "Harff, Marcel"]
[Black "Bouhallel, Rabah"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "2357"]
[BlackElo "2336"]
[PlyCount "97"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "KSK Rochade"]
[BlackTeam "Oostende"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. c4 e6 2. g3 Nf6 3. Bg2 c5 4. Nf3 Be7 5. 0-0 0-0 6. b3 a6 7. d4 cxd4 8. Nxd4 Qc7 9. Bb2 d6 10. Nc3 Nc6 11. Rc1 Nxd4 12. Qxd4 Bd7 13. Rfd1 Rfd8 14. Qd3 Rac8 15. Ne4 Ne8 16. h4 h6 17. Qe3 Bc6 18. Bd4 Qb8 19. Ba7 Qa8 20. Bb6 Rd7 21. Nc3 Bxg2 22. Kxg2 Bd8 23. Na4 Rc6 24. c5 Qc8 25. Bxd8 Rxd8 26. cxd6 Rdxd6 27. Nb6 Qc7 28. Nc4 Rxd1 29. Rxd1 Nf6 30. Qd4 b5 31. Ne5 Rc2 32. Qd8+ Kh7 33. Qxc7 Rxc7 34. Rd6 Ra7 35. Kf3 Nd5 36. h5 b4 37. Nc6 Rb7 38. e4 Nc3 39. Rd2 Rb6 40. Ne5 Rb7 41. Ke3 Rc7 42. g4 a5 43. f4 g6 44. hxg6+ fxg6 45. f5 gxf5 46. gxf5 exf5 47. exf5 Kg7 48. Kf4 Kh7 49. f6 1-0

[Event "BEL-chT 2122"]
[Site "Belgium"]
[Date "2022.03.13"]
[Round "9.5"]
[White "Harff, Marcel"]
[Black "Goormachtigh, Johan"]
[Result "1/2-1/2"]
[ECO "A35"]
[WhiteElo "2357"]
[BlackElo "2150"]
[PlyCount "50"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "KSK Rochade"]
[BlackTeam "KGSRL"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 g6 4. e3 Nf6 5. a3 Bg7 6. d4 cxd4 7. Nxd4 0-0 8. Nc2 d6 9. Be2 Be6 10. e4 Nd7 11. Nd5 Nc5 12. f3 Nb3 13. Rb1 Nxc1 14. Qxc1 Nd4 15. Nxd4 Bxd4 16. Qd2 Bg7 17. 0-0 Bxd5 18. exd5 Qb6+ 19. Kh1 Qd4 20. Qxd4 Bxd4 21. f4 a5 22. a4 Rfe8 23. f5 Kg7 24. b3 b6 25. Rbd1 Be5 1/2-1/2

[Event "Bundesliga 2122"]
[Site "Germany"]
[Date "2022.03.06"]
[Round "2.8"]
[White "Harff, Marcel"]
[Black "Barseghyan, Armen Ar"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "2359"]
[BlackElo "2348"]
[PlyCount "64"]
[EventDate "2022.03.05"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Duesseldorf"]
[BlackTeam "Kiel Turm"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. Nf3 Nf6 3. b3 g6 4. Bb2 Bg7 5. g3 0-0 6. Bg2 d6 7. 0-0 e5 8. Nc3 Nc6 9. e3 Bf5 10. d4 e4 11. Nd2 Re8 12. Ne2 Qd7 13. a3 Rad8 14. Re1 h5 15. Ra2 h4 16. Qa1 h3 17. Bh1 cxd4 18. Nxd4 Ne5 19. Nxf5 Qxf5 20. Bxe5 Rxe5 21. f4 Ree8 22. Qc1 d5 23. cxd5 Qxd5 24. Qc4 Qxc4 25. bxc4 Rd3 26. g4 Nxg4 27. Nxe4 Rxe3 28. Rxe3 Bd4 29. Bf3 f5 30. Kh1 Nxe3 31. Nd6 Re7 32. Rd2 Nxc4 0-1

[Event "Bundesliga 2122"]
[Site "Germany"]
[Date "2022.03.05"]
[Round "1.8"]
[White "Rogozenco, Dorian"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "D51"]
[WhiteElo "2448"]
[BlackElo "2359"]
[PlyCount "60"]
[EventDate "2022.03.05"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Hamburger SK"]
[BlackTeam "Duesseldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c6 5. Bg5 Nbd7 6. e3 h6 7. Bh4 g5 8. Bg3 Nh5 9. Be5 Nxe5 10. dxe5 Ng7 11. h3 Bb4 12. Qc2 Qa5 13. Bd3 b6 14. Rc1 dxc4 15. Bxc4 Bxc3+ 16. Qxc3 Qxc3+ 17. Rxc3 Bb7 18. 0-0 Nf5 19. b4 a5 20. bxa5 Rxa5 21. Rb1 b5 22. e4 Ne7 23. Bb3 b4 24. Rc4 c5 25. Rbc1 0-0 26. Rxc5 Rxc5 27. Rxc5 Bxe4 28. Nd2 Bd5 29. Rb5 Rd8 30. Nc4 Nc6 1/2-1/2

[Event "BEL-chT 2122"]
[Site "Belgium"]
[Date "2022.02.20"]
[Round "8.2"]
[White "Harff, Marcel"]
[Black "Cornelisse, Johnny JA"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2357"]
[BlackElo "2167"]
[PlyCount "48"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "KSK Rochade"]
[BlackTeam "Borgerhout"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. d4 dxc4 7. Qc2 a6 8. a4 Nbd7 9. Nbd2 b6 10. Ne5 Nxe5 11. Bxa8 Qxd4 12. Nf3 Nxf3+ 13. Bxf3 Nd5 14. Rd1 Qc5 15. b3 Bf6 16. Ba3 Nb4 17. Qxc4 Qxc4 18. bxc4 Bxa1 19. Bxb4 c5 20. Bxc5 bxc5 21. Rxa1 a5 22. Rb1 Ba6 23. Rb6 Bxc4 24. Rc6 Bb3 1/2-1/2

[Event "BEL-chT 2122"]
[Site "Belgium"]
[Date "2022.02.13"]
[Round "7.7"]
[White "Harff, Marcel"]
[Black "Roeder, Mathias"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2357"]
[BlackElo "2384"]
[PlyCount "31"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "KSK Rochade"]
[BlackTeam "Wirtzfeld"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. c4 Nf6 2. Nf3 c5 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 e6 6. a3 Be7 7. g3 Qb6 8. e3 d5 9. cxd5 Nxd5 10. Nxd5 exd5 11. Bg2 Nxd4 12. Qxd4 Qxd4 13. exd4 Be6 14. Be3 Rc8 15. Kd2 Kd7 16. Rhc1 1/2-1/2

[Event "BEL-chT 2122"]
[Site "Belgium"]
[Date "2022.01.30"]
[Round "6.5"]
[White "Lenaerts, Lennert"]
[Black "Harff, Marcel"]
[Result "1-0"]
[ECO "C16"]
[WhiteElo "2353"]
[BlackElo "2357"]
[PlyCount "71"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Liege Crelel"]
[BlackTeam "KSK Rochade"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 b6 5. h4 Ba6 6. Bxa6 Nxa6 7. Qd3 Qc8 8. a3 Bf8 9. h5 h6 10. f4 Ne7 11. Nf3 c5 12. Ne2 Nb8 13. g4 Qa6 14. Qxa6 Nxa6 15. c3 cxd4 16. cxd4 Rc8 17. Bd2 Nb8 18. Nh4 g6 19. hxg6 fxg6 20. Ng3 Rg8 21. Ke2 Nec6 22. Kd3 Nd7 23. Rh3 b5 24. Ng2 g5 25. f5 Ndxe5+ 26. dxe5 Nxe5+ 27. Ke2 Rc2 28. Ne3 Rxb2 29. fxe6 Rg6 30. Nxd5 Nc4 31. Ne4 Bd6 32. Nxd6+ Nxd6 33. Kd3 Nc4 34. Bc3 Rg2 35. Rf1 Nb6 36. Bb4 1-0

[Event "BEL-chT 2122"]
[Site "Belgium"]
[Date "2021.11.21"]
[Round "2.3"]
[White "Harff, Marcel"]
[Black "Mastalerz, Xavier"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2357"]
[BlackElo "2192"]
[PlyCount "111"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "KSK Rochade"]
[BlackTeam "Montigny Fontaine"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. c4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 Bc5 5. a3 d6 6. e3 0-0 7. Nge2 a6 8. b4 Ba7 9. h3 Be6 10. Nd5 e4 11. Nef4 Ne5 12. Bb2 Bxd5 13. cxd5 Re8 14. 0-0 Qd7 15. d3 exd3 16. Nxd3 Qf5 17. Nf4 Nc4 18. Bd4 Bxd4 19. Qxd4 b5 20. a4 Qc2 21. Rfc1 Qf5 22. g4 Qg5 23. Ne2 h5 24. axb5 axb5 25. Rxa8 Rxa8 26. gxh5 Ra2 27. Nc3 Rd2 28. Ne4 Rxd4 29. Nxg5 Rd2 30. Ra1 Nb6 31. e4 Nxh5 32. Ra7 Rc2 33. Bf1 Nf4 34. Bxb5 f6 35. Ne6 Nxh3+ 36. Kg2 Nxf2 37. Kf3 Nh3 38. Nxc7 Ng5+ 39. Ke3 Nc4+ 40. Kd3 Na3 41. Bc6 Rb2 42. Kc3 Rb1 43. Rxa3 Nxe4+ 44. Kc4 g5 45. Bd7 Rc1+ 46. Kd4 Rxc7 47. Be6+ Kg7 48. Kxe4 Rc4+ 49. Kd3 Rxb4 50. Ra6 g4 51. Rxd6 g3 52. Rd8 Rb1 53. Rg8+ Kh6 54. Ke2 f5 55. Bxf5 Rb5 56. Be4 1-0

[Event "BL2-West 1920"]
[Site "Germany"]
[Date "2021.08.08"]
[Round "9.7"]
[White "Pewny, Uwe"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2212"]
[BlackElo "2358"]
[PlyCount "80"]
[EventDate "2019.09.19"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Bochum"]
[BlackTeam "Duesseldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Nf3 Bd7 8. a4 Nc6 9. Bb5 b6 10. 0-0 Na5 11. Bd3 h6 12. Re1 Ne7 13. h4 Bc6 14. Qd2 c4 15. Bf1 0-0-0 16. Ba3 Kb7 17. Bb4 Ka8 18. Qc1 Bb7 19. g3 Rdg8 20. Qf4 Nec6 21. Ba3 Qd7 22. Bg2 Nd8 23. Bb4 Bc6 24. Bxa5 bxa5 25. Nd2 Nb7 26. Reb1 Rb8 27. Rb2 Nd8 28. Rba2 a6 29. Nf1 Ka7 30. Qc1 Qe7 31. Ne3 h5 32. Rb2 Rxb2 33. Qxb2 Qd7 34. Rb1 Qc7 35. Qa3 Nb7 36. f4 g6 37. Kh2 Rb8 38. Bf3 Qd7 39. Qb2 Qc7 40. Qa3 Qd7 1/2-1/2

[Event "BL2-West 1920"]
[Site "Germany"]
[Date "2021.08.07"]
[Round "8.8"]
[White "Suranyi, Pal"]
[Black "Harff, Marcel"]
[Result "0-1"]
[ECO "E39"]
[WhiteElo "2011"]
[BlackElo "2358"]
[PlyCount "116"]
[EventDate "2019.09.19"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Remagen Sinzig"]
[BlackTeam "Duesseldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 0-0 7. a3 Bxc5 8. Bg5 h6 9. Bh4 Be7 10. Rd1 b6 11. e3 Bb7 12. Be2 Rc8 13. 0-0 Na5 14. b3 a6 15. Qb2 Qc7 16. Bg3 d6 17. Nd2 b5 18. cxb5 Qxc3 19. Qxc3 Rxc3 20. b4 axb5 21. Nb1 Rc2 22. Bd3 Rb2 23. bxa5 Ra8 24. Rc1 Be4 25. Bxe4 Nxe4 26. Rc7 Bf6 27. Rc6 d5 28. a6 d4 29. exd4 Bxd4 30. Rd1 e5 31. Kf1 Rxb1 32. Rxb1 Nd2+ 33. Ke2 Nxb1 34. f4 exf4 35. Bxf4 Nxa3 36. Kd3 Bf2 37. Kc3 Be1+ 38. Kd4 b4 39. Bc1 Bf2+ 40. Kd5 Rd8+ 41. Ke4 Nb5 42. Rc2 f5+ 43. Ke5 Bd4+ 44. Kxf5 Bc3 45. Ke4 b3 46. Rf2 Rd4+ 47. Ke3 Ra4 48. Kd3 Rxa6 49. Kc4 Ra1 50. Bb2 Ra2 51. Kxb3 Rxb2+ 52. Rxb2 Bxb2 53. Kxb2 Nd4 54. Kc3 Nf5 55. Kd3 Nh4 56. g3 Nf3 57. h3 Ng5 58. h4 Nh7 0-1

[Event "EU-Cup Online Gr-H"]
[Site "Tornelo INT"]
[Date "2021.03.28"]
[Round "9.3"]
[White "Aabling Thomsen, Jakob"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2348"]
[BlackElo "2360"]
[PlyCount "117"]
[EventDate "2021.03.27"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]
[WhiteTeam "Bronshoj"]
[BlackTeam "Eupen Rochade"]
[WhiteTeamCountry "DEN"]
[BlackTeamCountry "BEL"]

1. e4 e6 2. Qe2 c5 3. Nf3 Nc6 4. g3 Nf6 5. Bg2 Be7 6. 0-0 d5 7. d3 b5 8. e5 Nd7 9. h4 a5 10. h5 h6 11. Bf4 g5 12. hxg6 fxg6 13. c4 bxc4 14. dxc4 Ba6 15. Na3 g5 16. Bc1 Qb6 17. Qc2 0-0-0 18. cxd5 Nb4 19. Qd1 g4 20. Nh2 Nxe5 21. Re1 Nbd3 22. Re3 Bg5 23. Nxg4 Bxe3 24. Nxe3 c4 25. b3 Rhf8 26. Naxc4 Bxc4 27. bxc4 Nxf2 28. Qb3 Qxb3 29. axb3 exd5 30. Nxd5 Nfg4 31. Bf4 Kd7 32. Rxa5 Ke6 33. Ra6+ Kf7 34. Ra7+ Rd7 35. Ra6 Rb8 36. Bxe5 Nxe5 37. Rxh6 Rxb3 38. Bh3 Rdb7 39. Rh7+ Kg6 40. Rxb7 Rxb7 41. c5 Rb1+ 42. Kf2 Nd3+ 43. Ke3 Nxc5 44. Kd4 Nb3+ 45. Ke5 Re1+ 46. Kf4 Nd4 47. Bd7 Rf1+ 48. Kg4 Kf7 49. Nf4 Nc2 50. Kg5 Ke7 51. Bb5 Rg1 52. g4 Nd4 53. Bd3 Rg3 54. Ng6+ Kd6 55. Bf5 Nf3+ 56. Kf6 Nh2 57. Ne5 Nxg4+ 58. Nxg4 Rxg4 59. Bxg4 1/2-1/2

[Event "EU-Cup Online Gr-H"]
[Site "Tornelo INT"]
[Date "2021.03.28"]
[Round "5.4"]
[White "Buhmann, Rainer"]
[Black "Harff, Marcel"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "2580"]
[BlackElo "2360"]
[PlyCount "74"]
[EventDate "2021.03.27"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]
[WhiteTeam "Hockenheim"]
[BlackTeam "Eupen Rochade"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "BEL"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. e3 Be7 5. b3 0-0 6. Bd3 c5 7. 0-0 Nc6 8. Bb2 b6 9. Nbd2 Bb7 10. Rc1 Rc8 11. Re1 Re8 12. dxc5 bxc5 13. cxd5 Nxd5 14. Bb1 Ndb4 15. Ne4 Qb6 16. Nfg5 h6 17. Nxf7 Kxf7 18. Qh5+ Kg8 19. Bxg7 Kxg7 20. Nf6 Bxf6 21. Qg6+ Kf8 22. Qxf6+ Kg8 23. Rc4 Nd4 24. exd4 e5 25. Qxb6 axb6 26. dxe5 Rc7 27. Rh4 Rg7 28. g3 Nc6 29. Rxh6 Nxe5 30. Re3 Nf3+ 31. Kf1 Rxe3 32. fxe3 Nd2+ 33. Ke2 Nxb1 34. Kd3 b5 35. Rh5 Rd7+ 36. Kc2 Be4+ 37. Kc1 c4 0-1

[Event "EU-Cup Online Gr-H"]
[Site "Tornelo INT"]
[Date "2021.03.28"]
[Round "6.4"]
[White "Harff, Marcel"]
[Black "Ahmadzada, Ahmad Samir"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2360"]
[BlackElo "2431"]
[PlyCount "102"]
[EventDate "2021.03.27"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]
[WhiteTeam "Eupen Rochade"]
[BlackTeam "Vugar Gashimov"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "AZE"]

1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. b3 Bf5 5. Bb2 e6 6. Nf3 Be7 7. 0-0 0-0 8. d3 h6 9. Nbd2 Bh7 10. a3 a5 11. Qc2 Nbd7 12. Rfe1 Qb6 13. Bd4 Bc5 14. Bxc5 Nxc5 15. h3 Rfe8 16. Rec1 Ncd7 17. cxd5 exd5 18. e3 c5 19. Qc3 Qd6 20. Rd1 b5 21. e4 dxe4 22. dxe4 Qc7 23. e5 Nd5 24. Qb2 Rad8 25. a4 c4 26. bxc4 bxc4 27. Qd4 N7b6 28. Rdc1 Nb4 29. Qg4 Nd3 30. Rc3 Qc5 31. Rf1 Nxe5 32. Nxe5 Qxe5 33. Re3 Qc5 34. Ne4 Qd4 35. Rfe1 Re6 36. Qh5 Bxe4 37. Bxe4 c3 38. Qxa5 Nc4 39. Qxc3 Nxe3 40. Qxe3 Qxe3 41. Rxe3 Rd4 42. f3 Rxa4 43. Rb3 g6 44. Rb2 Rd6 45. Kf2 Ra3 46. g4 Rd4 47. Rb7 Rd2+ 48. Kg3 g5 49. h4 Raa2 50. hxg5 hxg5 51. f4 Ra3+ 0-1

[Event "EU-Cup Online Gr-H"]
[Site "Tornelo INT"]
[Date "2021.03.28"]
[Round "7.3"]
[White "Harff, Marcel"]
[Black "Sertbay, Huseyin"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2360"]
[BlackElo "2101"]
[PlyCount "73"]
[EventDate "2021.03.27"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]
[WhiteTeam "Eupen Rochade"]
[BlackTeam "Canakkale TSK"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "TUR"]

1. c4 e5 2. g3 Nc6 3. Bg2 Bc5 4. Nc3 Nf6 5. a3 a6 6. e3 d6 7. Nge2 h6 8. d4 exd4 9. exd4 Ba7 10. h3 0-0 11. 0-0 Re8 12. Be3 Rb8 13. b4 Bf5 14. Rc1 Ne7 15. g4 Bh7 16. Qd2 c6 17. Bf4 Qd7 18. c5 dxc5 19. Bxb8 Rxb8 20. Rfd1 Rd8 21. bxc5 Bxc5 22. Qb2 Bd6 23. Na4 Ned5 24. Nc5 Qe7 25. Re1 Re8 26. Qd2 Bb8 27. Nc3 Qd6 28. Nxd5 cxd5 29. Rxe8+ Nxe8 30. Qe3 Qh2+ 31. Kf1 Nd6 32. Bxd5 Bg6 33. Qg3 Qxg3 34. fxg3 Nb5 35. Nd7 Bxg3 36. Rc8+ Kh7 37. Nf8+ 1-0

[Event "BL2-West 1920"]
[Site "Germany"]
[Date "2020.03.01"]
[Round "7.8"]
[White "Harff, Marcel"]
[Black "Muedder, Melanie"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2358"]
[BlackElo "2045"]
[PlyCount "51"]
[EventDate "2019.09.19"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Duesseldorf"]
[BlackTeam "Solingen II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 g6 2. Nf3 Bg7 3. g3 c5 4. Bg2 Nc6 5. 0-0 e6 6. Nc3 Nge7 7. d3 0-0 8. Bf4 d5 9. cxd5 exd5 10. Qd2 Nf5 11. Rac1 b6 12. g4 Nfe7 13. h3 Bh8 14. a3 a5 15. Nb5 Qd7 16. a4 f5 17. g5 Bb7 18. d4 c4 19. b3 Na7 20. bxc4 dxc4 21. Nd6 Nd5 22. Nxb7 c3 23. Qa2 Rf7 24. Ne5 Bxe5 25. Bxe5 Nb4 26. Qb3 1-0

[Event "BEL-chT 1920"]
[Site "Belgium"]
[Date "2020.01.19"]
[Round "6.5"]
[White "Osterwald, Elwin"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2144"]
[BlackElo "2359"]
[PlyCount "42"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Jean Jaures Ghent"]
[BlackTeam "Eupen Rochade"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. Nc3 a6 5. b3 g6 6. Bb2 Bg7 7. Be2 0-0 8. 0-0 Re8 9. d4 Nbd7 10. Rc1 b5 11. Ne5 Bb7 12. f4 e6 13. Bd3 bxc4 14. bxc4 dxc4 15. Nxc4 Bf8 16. Ne4 Nxe4 17. Bxe4 Rb8 18. Qa4 Nb6 19. Nxb6 Qxb6 20. Ba3 Qb5 21. Qxb5 cxb5 1/2-1/2

[Event "Roquetas de Mar op 31st"]
[Site "Roquetas de Mar"]
[Date "2020.01.07"]
[Round "9"]
[White "Klekowski, Maciej"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2515"]
[BlackElo "2369"]
[PlyCount "67"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. d3 d6 6. e3 h5 7. h4 Bg4 8. Nge2 Qd7 9. Nd5 Nd8 10. e4 c6 11. Ndc3 Ne7 12. Be3 c5 13. a3 Ndc6 14. f3 Be6 15. Nd5 0-0 16. 0-0 f5 17. Qd2 fxe4 18. fxe4 Nd4 19. Nxd4 cxd4 20. Nxe7+ Qxe7 21. Bg5 Qd7 22. Rxf8+ Rxf8 23. Rf1 b5 24. cxb5 Qxb5 25. Bh6 Rxf1+ 26. Bxf1 Bf7 27. Bxg7 Kxg7 28. Be2 d5 29. Bf3 dxe4 30. Bxe4 Bd5 31. Bxd5 Qxd5 32. Qb4 Kf7 33. Qb8 Qc5 34. Qb7+ 1/2-1/2

[Event "Roquetas de Mar op 31st"]
[Site "Roquetas de Mar"]
[Date "2020.01.03"]
[Round "3"]
[White "Pridorozhni, Aleksei"]
[Black "Harff, Marcel"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2601"]
[BlackElo "2369"]
[PlyCount "101"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. e5 Nfd7 6. c3 Nc6 7. Bd3 Be7 8. 0-0 g5 9. Bb5 g4 10. Ne1 h5 11. Nb3 Qb6 12. Ba4 cxd4 13. cxd4 Qa6 14. Bxc6 bxc6 15. Nd3 Qb6 16. Be3 Ba6 17. Qc2 Bxd3 18. Qxd3 a5 19. Rfc1 a4 20. Nd2 Qa6 21. Qc3 Rc8 22. b4 Qb5 23. a3 Nb6 24. Rf1 Rg8 25. f4 gxf3 26. Rxf3 Qe2 27. Rf2 Qg4 28. Qd3 Bh4 29. Re2 Rc7 30. Rf1 Bg5 31. Bxg5 Qxg5 32. Rf3 h4 33. h3 Nc8 34. Nf1 Na7 35. Ne3 Nb5 36. Ng4 Rg6 37. Rc2 Kf8 38. Kh2 Rg7 39. Qd1 Qg6 40. Rcf2 Qe4 41. Rf4 Qg6 42. Rf6 Qg5 43. Qxa4 Rg6 44. Qa8+ Kg7 45. Qe8 Rxf6 46. Nxf6 Qg6 47. Qg8+ Kh6 48. Ng4+ Kg5 49. Qd8+ Kh5 50. Qh8+ Kg5 51. Rf6 1-0

[Event "BEL-chT 1920"]
[Site "Belgium"]
[Date "2019.12.01"]
[Round "5.4"]
[White "Berend, Fred"]
[Black "Harff, Marcel"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2342"]
[BlackElo "2359"]
[PlyCount "153"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Liege Crelel"]
[BlackTeam "Eupen Rochade"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. c4 cxd4 5. Nxd4 d5 6. Bg2 Be7 7. 0-0 0-0 8. cxd5 Nxd5 9. e4 Nb4 10. a3 N8c6 11. Be3 Bf6 12. axb4 Bxd4 13. b5 Bxe3 14. bxc6 Bd4 15. e5 bxc6 16. Qe2 Bb7 17. Rd1 Qb6 18. Nd2 c5 19. Nc4 Qc7 20. Ra3 Bxg2 21. Kxg2 Qc6+ 22. f3 Rfb8 23. Rda1 a6 24. R1a2 h6 25. h4 Rb4 26. b3 Rbb8 27. h5 Rd8 28. Kh3 f6 29. exf6 Bxf6 30. Qe4 Qd5 31. Qg4 Rab8 32. Re2 Re8 33. Rxa6 Rxb3 34. Raxe6 Rxe6 35. Rxe6 Qd3 36. Re8+ Kh7 37. Ne3 Rb7 38. Re4 Qd7 39. Nf5 Bg5 40. Re1 Qd3 41. Nd6 Rb1 42. Qe4+ Qxe4 43. Rxe4 Rb3 44. f4 Bf6 45. Kg4 Rd3 46. Re6 Bd4 47. Re7 Bf6 48. Re6 Bd4 49. Re8 Bf6 50. Ne4 c4 51. Nxf6+ gxf6 52. Re7+ Kg8 53. Rc7 c3 54. Kf5 Rxg3 55. Kxf6 Rd3 56. f5 Rd6+ 57. Ke7 Rd3 58. Ke6 Re3+ 59. Kf6 Rg3 60. Rc6 Rd3 61. Rc8+ Kh7 62. Ke6 Re3+ 63. Kf7 Re5 64. Rc7 Re3 65. Kf8+ Kh8 66. f6 Re5 67. Rxc3 Rxh5 68. Ke7 Re5+ 69. Kd6 Re8 70. Rg3 Ra8 71. Ke6 Ra6+ 72. Kf5 Ra5+ 73. Ke6 Ra6+ 74. Kf7 Ra7+ 75. Kg6 Kg8 76. Rb3 Ra8 77. Rb7 1-0

[Event "EU-Cup 35th"]
[Site "Ulcinj"]
[Date "2019.11.15"]
[Round "6.23"]
[White "Harff, Marcel"]
[Black "Ademi, Sami"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2362"]
[BlackElo "2162"]
[PlyCount "53"]
[EventDate "2019.11.10"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "MNE"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Eupen Rochade"]
[BlackTeam "Prishtina"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "KOS"]

1. c4 Nf6 2. g3 g6 3. b4 d5 4. cxd5 Qxd5 5. Nf3 Bg7 6. Bb2 0-0 7. Bg2 Nc6 8. Nc3 Qd8 9. b5 Nd4 10. Nxd4 Qxd4 11. Qc2 Qd6 12. 0-0 e5 13. d3 Rb8 14. Qa4 Qb6 15. Bc1 a6 16. Be3 Qe6 17. bxa6 Qxa6 18. Qxa6 bxa6 19. Rfc1 Rd8 20. Bg5 Rd7 21. Rab1 Rxb1 22. Rxb1 h6 23. Bxf6 Bxf6 24. Rb8 Rd8 25. Nd5 Kg7 26. Nxf6 Kxf6 27. Bh3 1-0

[Event "EU-Cup 35th"]
[Site "Ulcinj"]
[Date "2019.11.10"]
[Round "1.3"]
[White "Esipenko, Andrey"]
[Black "Harff, Marcel"]
[Result "1-0"]
[ECO "E09"]
[WhiteElo "2636"]
[BlackElo "2362"]
[PlyCount "63"]
[EventDate "2019.11.10"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "MNE"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Molodezka"]
[BlackTeam "Eupen Rochade"]
[WhiteTeamCountry "RUS"]
[BlackTeamCountry "BEL"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nbd2 Nf6 5. g3 Nbd7 6. Bg2 Be7 7. 0-0 0-0 8. Qc2 b6 9. e4 Bb7 10. e5 Ne8 11. cxd5 cxd5 12. Re1 Rc8 13. Qa4 Bc6 14. Qd1 Bb5 15. Nf1 Nb8 16. Ne3 Nc6 17. a3 a5 18. b3 Qd7 19. h4 Nc7 20. Ng4 Kh8 21. Bf4 Ba6 22. h5 f5 23. exf6 gxf6 24. Bh3 Bd6 25. Qd2 Bxf4 26. Qxf4 Qf7 27. Nh6 Qd7 28. Rac1 Bb7 29. Nf5 Rcd8 30. Rxc6 Bxc6 31. Ne5 Qe8 32. Ng6+ 1-0

[Event "BL2-West 1920"]
[Site "Germany"]
[Date "2019.10.20"]
[Round "2.8"]
[White "Prueske, Wolfgang"]
[Black "Harff, Marcel"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2002"]
[BlackElo "2358"]
[PlyCount "72"]
[EventDate "2019.09.19"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Dortmund Hansa"]
[BlackTeam "Duesseldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Bd3 c5 4. exd5 Qxd5 5. Nc3 Qxd4 6. Nb5 Qd8 7. Bf4 Na6 8. Nf3 Nf6 9. Qe2 Nd5 10. Bg3 Be7 11. 0-0 0-0 12. a3 Qb6 13. c4 Ndc7 14. Ne5 f5 15. Rad1 Ne8 16. f4 Nb8 17. Bf2 a6 18. Nc3 Qc7 19. Bc2 b6 20. Rd3 Nf6 21. Rfd1 Rd8 22. Rxd8+ Bxd8 23. Bh4 Be7 24. Qd3 Nc6 25. Nxc6 Qxc6 26. Ba4 Qb7 27. Qe2 Qc7 28. Bxf6 gxf6 29. Qh5 Bf8 30. Rd3 Qf7 31. Qd1 Rb8 32. Rd8 Qc7 33. Rd3 Qxf4 34. Rg3+ Kh8 35. Qd8 Qd4+ 36. Kh1 Qxd8 0-1

[Event "BEL-chT 1920"]
[Site "Belgium"]
[Date "2019.09.29"]
[Round "1.4"]
[White "Kerigan, Demre"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2387"]
[BlackElo "2359"]
[PlyCount "80"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Wachtebeke"]
[BlackTeam "Eupen Rochade"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 Nc6 6. Bc4 Qd7 7. Qe2 cxd4 8. 0-0 a6 9. a4 Nf6 10. Rd1 Be7 11. Nb3 Qc7 12. Nbxd4 Bd7 13. Nxc6 Bxc6 14. Ne5 Bd5 15. Bxd5 Nxd5 16. c4 Nf6 17. Bf4 Qc5 18. b4 Qc8 19. Bd2 0-0 20. Bc3 Rd8 21. Re1 Qc7 22. Rac1 Bf8 23. g3 Rac8 24. a5 Qe7 25. Qf3 Nd7 26. Nd3 Rxc4 27. Qxb7 Rdc8 28. b5 Ne5 29. Qxe7 Nf3+ 30. Kg2 Nxe1+ 31. Bxe1 Bxe7 32. Rxc4 Rxc4 33. Ne5 Rc8 34. b6 Bd6 35. Nd3 Kf8 36. Nb4 Rc1 37. Bd2 Rd1 38. Bc3 Rc1 39. Bd2 Rd1 40. Bc3 Rc1 1/2-1/2

[Event "Saint Quentin op 1st"]
[Site "Saint Quentin"]
[Date "2019.07.12"]
[Round "9"]
[White "Velten, Paul"]
[Black "Harff, Marcel"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "2513"]
[BlackElo "2368"]
[PlyCount "75"]
[EventDate "2019.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 d5 7. cxd5 Nxd5 8. Re1 c5 9. e4 Nf6 10. Nc3 cxd4 11. Nxd4 0-0 12. Bg5 Nfd7 13. Bxe7 Qxe7 14. Nf5 Qb4 15. Qd6 a5 16. a3 Qc5 17. Qxc5 Nxc5 18. Nd6 Bc6 19. b4 Nd3 20. b5 Nxe1 21. Rxe1 Be8 22. Na4 Nd7 23. e5 Rd8 24. f4 f6 25. Bh3 Bf7 26. Nxf7 Kxf7 27. exf6 Nxf6 28. Bxe6+ Kg6 29. Nxb6 Rb8 30. Nc4 Rxb5 31. g4 Nxg4 32. Bxg4 Rxf4 33. Be6 Kf6 34. Bg8 g6 35. Nd6 Rg5+ 36. Kh1 Rh5 37. Ne8+ Kg5 38. Ng7 1-0

[Event "Saint Quentin op 1st"]
[Site "Saint Quentin"]
[Date "2019.07.11"]
[Round "8"]
[White "Harff, Marcel"]
[Black "L'Henoret, Thierry"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2368"]
[BlackElo "2064"]
[PlyCount "57"]
[EventDate "2019.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 g6 2. Nf3 Bg7 3. d4 d6 4. Nc3 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Bg5+ f6 8. 0-0-0+ Nd7 9. Be3 c6 10. Bc5 Ke8 11. Ba3 Bf8 12. Bxf8 Kxf8 13. e3 Nh6 14. h3 Nf7 15. Be2 Ke7 16. a3 a5 17. Na4 Nd8 18. Nd2 Ne6 19. Nb3 b6 20. Bf3 Nd8 21. Rd2 Ra7 22. Rhd1 Ba6 23. c5 b5 24. Nb6 Nb8 25. Nxa5 f5 26. b4 e4 27. Be2 Ne6 28. Rd6 Rc7 29. f3 1-0

[Event "Saint Quentin op 1st"]
[Site "Saint Quentin"]
[Date "2019.07.10"]
[Round "6"]
[White "Harff, Marcel"]
[Black "Jassem, Philippe"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2368"]
[BlackElo "1639"]
[PlyCount "71"]
[EventDate "2019.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 d5 2. cxd5 Qxd5 3. Nc3 Qa5 4. a3 e5 5. g3 Nf6 6. Bg2 c6 7. d3 Be6 8. Bd2 Qd8 9. Nf3 Bd6 10. Ng5 Qe7 11. Nxe6 Qxe6 12. 0-0 0-0 13. b4 Nbd7 14. b5 Nd5 15. bxc6 bxc6 16. Qc2 Rfc8 17. Rfc1 N7f6 18. Na4 Nd7 19. Nb2 N7b6 20. Nc4 Nxc4 21. Qxc4 Ne7 22. Qxe6 fxe6 23. Be3 Kf7 24. Bc5 Bxc5 25. Rxc5 Kf6 26. Rac1 Rab8 27. Ra5 Rb7 28. h4 Rbc7 29. Rcc5 Ng6 30. h5 Ne7 31. Rxe5 Nd5 32. f4 Rb8 33. Rc5 Rb3 34. Bh3 Rxa3 35. Bxe6 Nb6 36. Bg8 1-0

[Event "Saint Quentin op 1st"]
[Site "Saint Quentin"]
[Date "2019.07.10"]
[Round "7"]
[White "Llaneza Vega, Patricia"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2140"]
[BlackElo "2368"]
[PlyCount "51"]
[EventDate "2019.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. h4 f6 8. Bd3 Nc6 9. Qh5+ Kf8 10. Nf3 cxd4 11. a4 Nxe5 12. Ba3+ Ne7 13. Nxe5 Qxe5+ 14. Qxe5 fxe5 15. cxd4 exd4 16. Rh3 e5 17. Rf3+ Ke8 18. Bb5+ Nc6 19. Rg3 Kf7 20. Bxc6 bxc6 21. Rb1 g6 22. Kd2 Re8 23. Bc5 Re6 24. Re1 e4 25. Bxd4 Rb8 26. Rb3 1/2-1/2

[Event "Saint Quentin op 1st"]
[Site "Saint Quentin"]
[Date "2019.07.09"]
[Round "5"]
[White "Delmas Goyon, Francois"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "1911"]
[BlackElo "2368"]
[PlyCount "53"]
[EventDate "2019.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 a6 4. Bd3 b5 5. c3 Bb7 6. e5 c5 7. Ndf3 Nc6 8. Ne2 h6 9. Be3 cxd4 10. cxd4 Bb4+ 11. Bd2 Nge7 12. 0-0 g5 13. Bxb4 Nxb4 14. Ng3 g4 15. Nh4 Nc8 16. Ng6 fxg6 17. Bxg6+ Kd7 18. Bh5 Qb6 19. Bxg4 Ne7 20. Nh5 Nbc6 21. Bxe6+ Kd8 22. Qg4 Qxd4 23. Qg7 Qxe5 24. Nf6 Qxe6 25. Qxh8+ Kc7 26. Qg7 Rd8 27. Rfe1 1/2-1/2

[Event "Saint Quentin op 1st"]
[Site "Saint Quentin"]
[Date "2019.07.08"]
[Round "3"]
[White "De Andrade, Mathis"]
[Black "Harff, Marcel"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1371"]
[BlackElo "2368"]
[PlyCount "70"]
[EventDate "2019.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8. Nc2 Bxc3+ 9. bxc3 Qa5 10. Bd2 Ne5 11. Qe2 Nxd3+ 12. Qxd3 Qe5 13. f3 d5 14. cxd5 exd5 15. 0-0 dxe4 16. fxe4 Be6 17. Rae1 0-0 18. Bf4 Qc5+ 19. Be3 Qc4 20. Qd6 Nxe4 21. Qf4 Nxc3 22. Bd4 Nb5 23. Re4 Nxd4 24. Nxd4 Bd5 25. Rc1 Qxa2 26. Re2 Qa3 27. Nf5 Rfe8 28. Rxe8+ Rxe8 29. Nxg7 Qe3+ 30. Qxe3 Rxe3 31. Nh5 Bc6 32. Kf2 Rb3 33. Rd1 Kf8 34. Rd2 a5 35. Ng3 a4 0-1

[Event "Saint Quentin op 1st"]
[Site "Saint Quentin"]
[Date "2019.07.08"]
[Round "4"]
[White "Harff, Marcel"]
[Black "Riff, Jean Noel"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2368"]
[BlackElo "2495"]
[PlyCount "86"]
[EventDate "2019.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Be7 5. d4 exd4 6. Nxd4 0-0 7. Be2 Bb4 8. Qd3 Nxd4 9. Qxd4 d5 10. cxd5 Nxd5 11. Bf3 Be6 12. Bxd5 c5 13. Qe5 Qxd5 14. Qxd5 Bxd5 15. f3 Rfd8 16. Bd2 Bc6 17. 0-0-0 Rd3 18. e4 Rad8 19. Nb1 Bxd2+ 20. Rxd2 Rxd2 21. Nxd2 f6 22. Re1 Kf7 23. Re3 b6 24. Kc2 Ke6 25. f4 Rd4 26. g3 h6 27. h4 Kd6 28. e5+ fxe5 29. Rxe5 b5 30. Re3 a5 31. f5 Bd7 32. Rf3 Ke5 33. Ra3 Bxf5+ 34. Kc1 Ra4 35. Rxa4 bxa4 36. Nc4+ Kd4 37. Nxa5 Be4 38. b3 Kc3 39. Nc4 axb3 40. axb3 Bd5 41. Nd6 g6 42. g4 Bxb3 43. g5 h5 0-1

[Event "Maastricht Limburg op 13th"]
[Site "Maastricht"]
[Date "2019.06.09"]
[Round "4"]
[White "Harff, Marcel"]
[Black "Haast, Mark"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2372"]
[BlackElo "2392"]
[PlyCount "25"]
[EventDate "2019.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. b3 d5 4. Bb2 Be7 5. Nf3 0-0 6. Bg2 c5 7. e3 Nc6 8. 0-0 Re8 9. d4 cxd4 10. Nxd4 Nxd4 11. Qxd4 dxc4 12. Qxc4 Bd7 13. Rd1 1/2-1/2

[Event "Maastricht Limburg op 13th"]
[Site "Maastricht"]
[Date "2019.06.08"]
[Round "3"]
[White "Admiraal, Miguoel"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2507"]
[BlackElo "2372"]
[PlyCount "44"]
[EventDate "2019.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. e3 e6 5. Bd3 b6 6. Ne2 Bb7 7. 0-0 Bd6 8. c4 dxc4 9. Bxc4 Nd7 10. Nbc3 0-0 11. Nxe4 Bxe4 12. Bxd6 cxd6 13. Nc3 Bb7 14. Rc1 Qe7 15. Bd3 Rfc8 16. Qe2 Nf6 17. Rc2 a6 18. Rfc1 b5 19. a3 g6 20. Nb1 Qd7 21. Rxc8+ Rxc8 22. Rxc8+ Qxc8 1/2-1/2

[Event "Heraklion Capablanca Memorial 6th"]
[Site "Heraklion"]
[Date "2019.05.07"]
[Round "9"]
[White "Kelires, Andreas"]
[Black "Harff, Marcel"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2508"]
[BlackElo "2412"]
[PlyCount "131"]
[EventDate "2019.04.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "7"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nbd7 6. 0-0 Rb8 7. a4 a6 8. a5 b5 9. axb6 Rxb6 10. Nbd2 Rb4 11. Ra4 Bb7 12. Rxb4 Bxb4 13. Nxc4 Be7 14. Na5 Be4 15. Ne5 Bxg2 16. Kxg2 Qa8+ 17. f3 c5 18. Nxd7 Nxd7 19. dxc5 Nxc5 20. b4 Nd7 21. Qa4 Qb8 22. Rd1 Qb5 23. Qxb5 axb5 24. Nc6 Nb6 25. Be3 Nc4 26. Bc5 Bf6 27. e4 g5 28. Kf2 h5 29. Na7 h4 30. Nxb5 hxg3+ 31. hxg3 Be5 32. Kg2 f6 33. Rc1 Nb2 34. Bd6 Kf7 35. Rc7+ Kg6 36. Bxe5 fxe5 37. Nd6 Nd3 38. b5 Rb8 39. Rc3 Nb4 40. Rc4 Nd3 41. Rc8 Rb6 42. Rc6 Rb8 43. Kf1 Kf6 44. Ke2 Nb4 45. Rc4 Na2 46. Rc2 Nb4 47. Rb2 Nc6 48. Ke3 Na5 49. Ra2 Nb3 50. Rb2 Na5 51. Ra2 Nb3 52. Ra7 Nd4 53. Rf7+ Kg6 54. Re7 Kf6 55. Rf7+ Kg6 56. f4 gxf4+ 57. gxf4 Nxb5 58. f5+ exf5 59. exf5+ Kh6 60. Rf6+ Kh7 61. Ne4 Nd4 62. Ng5+ Kg8 63. Rg6+ Kf8 64. f6 Rb6 65. Nh7+ Ke8 66. f7+ 1-0

[Event "Heraklion Capablanca Memorial 6th"]
[Site "Heraklion"]
[Date "2019.05.06"]
[Round "8"]
[White "Harff, Marcel"]
[Black "Antic, Dejan"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2412"]
[BlackElo "2471"]
[PlyCount "75"]
[EventDate "2019.04.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "7"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. d3 Bg7 6. 0-0 0-0 7. e4 c5 8. Nc3 Nc6 9. h3 Ne8 10. Be3 Nd4 11. a4 Nc7 12. Nh4 a6 13. Rb1 Nce6 14. Nd5 Bc6 15. b4 cxb4 16. Rxb4 a5 17. Rb1 Nc5 18. Nxb6 Rb8 19. Nf3 e5 20. Nd5 Bxa4 21. Qd2 Bb3 22. Nxd4 exd4 23. Bf4 d6 24. Bf3 a4 25. Bd1 Qd7 26. Bg4 f5 27. exf5 gxf5 28. Bd1 Bxd1 29. Rfxd1 Rb3 30. Rxb3 axb3 31. Re1 Rb8 32. Bh6 Re8 33. Rxe8+ Qxe8 34. Bxg7 Kxg7 35. Qg5+ Qg6 36. Qe7+ Qf7 37. Qg5+ Qg6 38. Qe7+ 1/2-1/2

[Event "Heraklion Capablanca Memorial 6th"]
[Site "Heraklion"]
[Date "2019.05.05"]
[Round "7"]
[White "Harff, Marcel"]
[Black "Karousos Theodorakis, Nikolaos"]
[Result "1/2-1/2"]
[ECO "E68"]
[WhiteElo "2412"]
[BlackElo "2280"]
[PlyCount "31"]
[EventDate "2019.04.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "7"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. g3 g6 5. Bg2 Bg7 6. d4 Nbd7 7. 0-0 0-0 8. e4 Re8 9. Re1 a6 10. b3 Rb8 11. dxe5 Nxe5 12. Nxe5 dxe5 13. Qxd8 Rxd8 14. Bg5 c6 15. Rad1 Be6 16. Na4 1/2-1/2

[Event "Heraklion Capablanca Memorial 6th"]
[Site "Heraklion"]
[Date "2019.05.04"]
[Round "6"]
[White "Zarubitski, Viachaslau"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2416"]
[BlackElo "2412"]
[PlyCount "78"]
[EventDate "2019.04.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "7"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Bxc6 dxc6 6. d3 Qc7 7. h3 b6 8. Qe2 e5 9. a3 a5 10. Be3 Nf6 11. Nbd2 Nh5 12. Nc4 Be6 13. b4 Bxc4 14. dxc4 Nf4 15. Bxf4 exf4 16. e5 axb4 17. axb4 Rxa1 18. Rxa1 cxb4 19. Ra8+ Ke7 20. Rxh8 Bxh8 21. Qe4 Kf8 22. Qxf4 Kg8 23. Qe4 Qd7 24. Ne1 Bg7 25. Nd3 Bf8 26. g4 g5 27. Kg2 h6 28. Kf3 Qe6 29. Qd4 b5 30. cxb5 cxb5 31. Ke3 b3 32. cxb3 Qxb3 33. Ke4 b4 34. f4 gxf4 35. Kxf4 Be7 36. Qd7 Bg5+ 37. Ke4 Qc4+ 38. Kf5 b3 39. e6 Qxe6+ 1/2-1/2

[Event "Heraklion Capablanca Memorial 6th"]
[Site "Heraklion"]
[Date "2019.05.03"]
[Round "5"]
[White "Harff, Marcel"]
[Black "Yoo, Christopher Woojin"]
[Result "0-1"]
[ECO "D74"]
[WhiteElo "2412"]
[BlackElo "2414"]
[PlyCount "86"]
[EventDate "2019.04.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "7"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. d4 d5 6. cxd5 Nxd5 7. 0-0 Nc6 8. e4 Nb6 9. d5 Na5 10. Qc2 c6 11. dxc6 Nxc6 12. Rd1 Qe8 13. h3 Be6 14. Nc3 Nb4 15. Qb1 Rd8 16. Be3 Rxd1+ 17. Qxd1 Qc8 18. Rc1 Rd8 19. Nd5 Qd7 20. Bxb6 axb6 21. Qb3 Nxd5 22. exd5 Bxd5 23. Qxb6 Bc6 24. b3 e5 25. Re1 e4 26. Nh2 Bc3 27. Re2 Qd1+ 28. Bf1 f5 29. Re3 Bf6 30. b4 Re8 31. Qc5 Bd4 32. Qc4+ Kh8 33. b5 Bxe3 34. bxc6 Bxf2+ 35. Kxf2 e3+ 36. Kg2 e2 37. Qc3+ Kg8 38. Qc4+ Kg7 39. cxb7 e1Q 40. Qc7+ Kh8 41. b8Q Qdd2+ 42. Kh1 Qe4+ 43. Kg1 Qde3# 0-1

[Event "Heraklion Capablanca Memorial 6th"]
[Site "Heraklion"]
[Date "2019.05.02"]
[Round "4"]
[White "Demuth, Adrien"]
[Black "Harff, Marcel"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2512"]
[BlackElo "2412"]
[PlyCount "37"]
[EventDate "2019.04.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "7"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. 0-0 Nc6 5. d4 e6 6. c4 dxc4 7. dxc5 Bd7 8. Nbd2 Bxc5 9. Nxc4 Qe7 10. Nfe5 Rc8 11. Nd3 0-0 12. Nxc5 Qxc5 13. Nd6 Rb8 14. Bf4 e5 15. Bg5 Bg4 16. Rc1 Qd4 17. Bxf6 gxf6 18. Rc4 Bxe2 19. Rxd4 1-0

[Event "Heraklion Capablanca Memorial 6th"]
[Site "Heraklion"]
[Date "2019.05.01"]
[Round "3"]
[White "Harff, Marcel"]
[Black "Anagnostopoulos, Konstantinos"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2412"]
[BlackElo "2345"]
[PlyCount "63"]
[EventDate "2019.04.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "7"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c6 3. b3 d5 4. Bb2 Bf5 5. d3 e6 6. Nbd2 h6 7. g3 Bc5 8. Bg2 0-0 9. 0-0 Nbd7 10. Qe1 Bg4 11. h3 Bxf3 12. Nxf3 a5 13. e4 dxe4 14. dxe4 Qb6 15. Rb1 Rfd8 16. Qe2 Nf8 17. Bxf6 gxf6 18. Nh2 Ng6 19. Kh1 Bb4 20. f4 Rd2 21. Qg4 Qe3 22. f5 h5 23. Qf3 Qxf3 24. Nxf3 exf5 25. Nxd2 Bxd2 26. Rbd1 Bc3 27. Rd3 Bb4 28. Rd7 Ra7 29. Rxf5 Ne5 30. Rd8+ Kg7 31. Rxh5 a4 32. Rhh8 1-0

[Event "Heraklion Capablanca Memorial 6th"]
[Site "Heraklion"]
[Date "2019.04.30"]
[Round "2"]
[White "Szwed, Jacek"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2387"]
[BlackElo "2412"]
[PlyCount "89"]
[EventDate "2019.04.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "7"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d5 5. Nxc6 bxc6 6. exd5 Qxd5 7. Nc3 Qxd1+ 8. Nxd1 e5 9. Ne3 Bd6 10. Nc4 Bc7 11. Be3 Nf6 12. Bc5 Nd5 13. Nd6+ Bxd6 14. Bxd6 f6 15. 0-0-0 Bg4 16. Rd2 Kd7 17. Bc5 Kc7 18. Ba6 Rhd8 19. f3 Bc8 20. Bxc8 Rdxc8 21. Rhd1 Kb7 22. Rd3 Rc7 23. g3 Re8 24. c4 Nb6 25. b3 Rcc8 26. Rd6 h5 27. Kc2 Rc7 28. Rd8 Rc8 29. Bxb6 Kxb6 30. Rxc8 Rxc8 31. Rd7 Rc7 32. c5+ Kb7 33. Rxc7+ Kxc7 34. g4 hxg4 35. fxg4 g5 36. Kd3 a5 37. a4 Kd7 38. Kc3 Ke6 39. Kc4 Kd7 40. Kd3 Ke6 41. Ke4 Kd7 42. Kd3 Ke6 43. Ke4 Kd7 44. Kd3 Ke6 45. Ke4 1/2-1/2

[Event "Heraklion Capablanca Memorial 6th"]
[Site "Heraklion"]
[Date "2019.04.29"]
[Round "1"]
[White "Harff, Marcel"]
[Black "Vaishali, Ramesh Babu"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "2412"]
[BlackElo "2353"]
[PlyCount "74"]
[EventDate "2019.04.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GRE"]
[EventCategory "7"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nc2 d5 7. cxd5 cxd5 8. Nc3 Be7 9. d3 0-0 10. 0-0 Nc6 11. dxe4 dxe4 12. Ne3 Be6 13. Ned5 Bxd5 14. Nxd5 Qc5 15. Nc3 Rfd8 16. Qa4 Rd4 17. Be3 Qxc3 18. Bxd4 Qxd4 19. Qb5 Qb4 20. Qxb4 Bxb4 21. Rfd1 Bc5 22. Rac1 Bb6 23. e3 Re8 24. h3 h5 25. Bf1 Re5 26. Be2 Nd5 27. Rb1 Rg5 28. h4 Rf5 29. Bc4 Nf6 30. Be2 g5 31. hxg5 Rxg5 32. Kf1 Ne5 33. Rd2 Rf5 34. Kg2 Nf3 35. Rc2 Ng4 36. b4 Kg7 37. Rc3 Nd2 0-1

[Event "Bundesliga 1819"]
[Site "Germany"]
[Date "2019.04.07"]
[Round "15.5"]
[White "Harff, Marcel"]
[Black "Naiditsch, Arkadij"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "2411"]
[BlackElo "2736"]
[PlyCount "90"]
[EventDate "2018.11.10"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Duesseldorf"]
[BlackTeam "Baden-Baden"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 d6 5. e3 f5 6. d4 Nd7 7. Nge2 Ngf6 8. b4 0-0 9. Qb3 Kh8 10. Bb2 a5 11. a3 Re8 12. Rd1 e4 13. h4 Nh5 14. Nd5 Ndf6 15. Ndf4 axb4 16. axb4 b5 17. d5 bxc4 18. Qxc4 Nxf4 19. Nxf4 Ng4 20. Bxg7+ Kxg7 21. Rc1 Qf6 22. 0-0 Re7 23. Rc2 Ne5 24. Qb3 Qf7 25. Ra2 Rxa2 26. Qxa2 h6 27. Qa8 Re8 28. Rc1 g5 29. hxg5 hxg5 30. Ne2 Nd3 31. Rc4 c5 32. bxc5 Nxc5 33. Qc6 Qe7 34. Nd4 Bd7 35. Qc7 Kf6 36. Qb6 Rc8 37. Nc6 Bxc6 38. dxc6 g4 39. Rd4 Qe5 40. c7 Ke7 41. Qb8 Qh8 42. Qb6 Qe5 43. Qb8 Qh8 44. Qb6 Qe5 45. Qb8 Qh8 1/2-1/2

[Event "Bundesliga 1819"]
[Site "Germany"]
[Date "2019.04.06"]
[Round "14.5"]
[White "Keymer, Vincent"]
[Black "Harff, Marcel"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2502"]
[BlackElo "2411"]
[PlyCount "53"]
[EventDate "2018.11.10"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Deizisau"]
[BlackTeam "Duesseldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Nbd2 d5 6. Bg2 Bd6 7. Ne5 0-0 8. 0-0 c5 9. cxd5 exd5 10. Ndf3 h6 11. b3 Bb7 12. Bb2 Ne4 13. Nh4 Qc8 14. dxc5 Bxc5 15. Rc1 Na6 16. Nd3 Qd7 17. Nxc5 Naxc5 18. b4 Na4 19. Bxg7 Kxg7 20. Bxe4 Kg8 21. Bf5 Qb5 22. Qd4 Qxe2 23. Bc2 b5 24. Rfe1 Qh5 25. Re5 f5 26. Nxf5 Qh3 27. Re7 1-0

[Event "BEL-chT 1819"]
[Site "Belgium"]
[Date "2019.03.31"]
[Round "10.4"]
[White "Harff, Marcel"]
[Black "Braga, Fernando Alberto"]
[Result "1/2-1/2"]
[ECO "A39"]
[WhiteElo "2416"]
[BlackElo "2394"]
[PlyCount "45"]
[EventDate "2018.09.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "KSK Rochade"]
[BlackTeam "KSK47 Eynatten"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 g6 5. g3 Bg7 6. Bg2 Nc6 7. 0-0 0-0 8. Nc3 Qa5 9. e3 d6 10. Bxc6 bxc6 11. Nxc6 Qc7 12. Nd5 Nxd5 13. cxd5 Bb7 14. Bd2 Rfc8 15. Rc1 Bxb2 16. Rc2 Ba3 17. Qg4 Bxc6 18. Rxc6 Qb7 19. Qe4 Rab8 20. Bc3 Bc5 21. Rxc8+ Rxc8 22. Rb1 Qd7 23. Kg2 1/2-1/2

[Event "BEL-chT 1819"]
[Site "Belgium"]
[Date "2019.03.17"]
[Round "9.4"]
[White "Beerdsen, Thomas"]
[Black "Harff, Marcel"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2476"]
[BlackElo "2416"]
[PlyCount "101"]
[EventDate "2018.09.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Echiquier Mosan"]
[BlackTeam "KSK Rochade"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 Bd6 6. Nc3 0-0 7. Nge2 Nbd7 8. Bg5 h6 9. Bh4 e5 10. 0-0 g5 11. Bg3 Re8 12. Bd5 Nxd5 13. Nxd5 Nf6 14. Nxf6+ Qxf6 15. Nc3 Bf5 16. Nd5 Qg6 17. Re1 Bxc2 18. Qd2 c6 19. dxe5 Bxe5 20. Bxe5 cxd5 21. Qxd5 Rad8 22. Qxb7 Qf5 23. Bc3 Be4 24. Qxa7 Qg4 25. f3 Bxf3 26. Qf2 Bd5 27. h3 Qf4 28. Qxf4 gxf4 29. a4 Kh7 30. Rxe8 Rxe8 31. Rd1 Bc6 32. Rd4 Rg8 33. Rxf4 Rxg2+ 34. Kf1 Kg8 35. Rc4 Rg6 36. Kf2 Kf8 37. a5 Bd7 38. b4 Ke7 39. h4 h5 40. Ke3 Rg3+ 41. Kd4 Kd6 42. Rc5 Rg4+ 43. Kd3 Rxh4 44. a6 Rh3+ 45. Kc4 Rh4+ 46. Kb3 Be6+ 47. Ka4 Bh3 48. a7 Bg2 49. Rc8 Rh3 50. b5 Kd7 51. Rc6 1-0

[Event "Bundesliga 1819"]
[Site "Germany"]
[Date "2019.03.10"]
[Round "13.5"]
[White "Harff, Marcel"]
[Black "Eichler, Christoph"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2411"]
[BlackElo "2315"]
[PlyCount "81"]
[EventDate "2018.11.10"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Duesseldorf"]
[BlackTeam "Muenchen Zugzwang"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 Nbd7 5. Bb2 c6 6. Qc2 Bd6 7. Nc3 Qe7 8. Be2 a6 9. d4 0-0 10. 0-0 dxc4 11. bxc4 e5 12. a4 Re8 13. Rfd1 e4 14. Nd2 Nf8 15. Nf1 Bf5 16. Qb3 Rad8 17. Ba3 Bc8 18. Bxd6 Qxd6 19. Qa3 Qc7 20. a5 h5 21. Qb4 h4 22. Rab1 h3 23. g3 Qd7 24. Na4 Qf5 25. Nc5 Ng4 26. Qe1 Re7 27. Nd2 Nf6 28. Rb2 Ne6 29. Nxe6 Rxe6 30. Nb3 Nd7 31. d5 Rd6 32. dxc6 Rxd1 33. Qxd1 bxc6 34. Rd2 Qe5 35. Bg4 f5 36. Bxh3 g6 37. Rd6 Kf7 38. Rxc6 Ke7 39. Nd4 Nf6 40. Rxa6 Bd7 41. Re6+ 1-0

[Event "Bundesliga 1819"]
[Site "Germany"]
[Date "2019.03.09"]
[Round "12.6"]
[White "Schmittdiel, Eckhard"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2436"]
[BlackElo "2411"]
[PlyCount "89"]
[EventDate "2018.11.10"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Augsburg"]
[BlackTeam "Duesseldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 c5 7. 0-0 Nxe4 8. Bxe4 Nf6 9. Bd3 cxd4 10. Nxd4 Bc5 11. Nb3 Be7 12. c4 Qc7 13. Qe2 b6 14. Bd2 Bb7 15. Bc3 0-0 16. Rad1 Rad8 17. Be5 Qc6 18. f3 Nd7 19. Be4 Qc8 20. Bxb7 Qxb7 21. Bc3 Bf6 22. Nd4 Nc5 23. b4 Na6 24. a3 Rd7 25. Nb5 Bxc3 26. Nxc3 Rfd8 27. Rxd7 Rxd7 28. Rd1 Nb8 29. Ne4 Qc7 30. c5 h6 31. Rxd7 Nxd7 32. Qe3 Kf8 33. g3 Ke7 34. f4 Qc6 35. Qd4 bxc5 36. Nxc5 Nxc5 37. bxc5 Qd5 38. Qb4 Qd1+ 39. Kf2 Qc2+ 40. Ke3 Qc1+ 41. Kd3 Qf1+ 42. Kc2 Qe2+ 43. Kc1 Qe3+ 44. Kc2 Qe2+ 45. Kc1 1/2-1/2

[Event "BEL-chT 1819"]
[Site "Belgium"]
[Date "2019.02.24"]
[Round "8.4"]
[White "Harff, Marcel"]
[Black "Matnadze, Ana"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "2416"]
[BlackElo "2362"]
[PlyCount "83"]
[EventDate "2018.09.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "KSK Rochade"]
[BlackTeam "Wachtebeke"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. b3 0-0 6. Bb2 b6 7. 0-0 Bb7 8. d4 Nbd7 9. Nbd2 c5 10. Rc1 Rc8 11. e3 Rc7 12. Qe2 dxc4 13. Nxc4 cxd4 14. Nxd4 Bxg2 15. Kxg2 a6 16. Kg1 b5 17. Nd2 Nc5 18. Rfd1 Qc8 19. Rc2 e5 20. N4f3 Ncd7 21. Rxc7 Qxc7 22. Rc1 Qd6 23. Qd1 Qd5 24. e4 Qe6 25. Qc2 Bc5 26. Ne1 Ng4 27. Nd3 Qf6 28. Nf1 Bb6 29. h3 Nh6 30. Kg2 Re8 31. Nb4 Qg6 32. Nd5 Bd4 33. Ba3 Qg5 34. Qc6 Qd8 35. Nc7 f5 36. Nxe8 Qxe8 37. Qd5+ Nf7 38. exf5 h6 39. Rc7 Nf6 40. Qe6 Qa8+ 41. f3 Qd5 42. Rxf7 1-0

[Event "NRW Class2 1819"]
[Site "Germany"]
[Date "2019.02.17"]
[Round "6.1"]
[White "Harff, Marcel"]
[Black "Plassmann, Dominik"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2389"]
[BlackElo "2153"]
[PlyCount "117"]
[EventDate "2018.09.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Duesseldorf II"]
[BlackTeam "Guetersloh"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 g6 4. e3 Bg7 5. d4 cxd4 6. exd4 d6 7. h3 Nf6 8. d5 Nb8 9. Be3 0-0 10. Qd2 Nbd7 11. Bd3 Nc5 12. Bc2 Bd7 13. 0-0 Qc8 14. Rfe1 Re8 15. Rac1 Bf5 16. b4 Nce4 17. Nxe4 Bxe4 18. Bxe4 Nxe4 19. Qd3 Nf6 20. Bd4 Qd7 21. Re2 a6 22. Bb6 Rac8 23. Rd1 Qa4 24. Qb3 Qxb3 25. axb3 Nd7 26. Bd4 Bxd4 27. Nxd4 Kf8 28. b5 axb5 29. Nxb5 Nc5 30. Re3 Red8 31. Rde1 Rd7 32. g4 h6 33. h4 Ra8 34. h5 gxh5 35. gxh5 Ra2 36. Nd4 Rb2 37. Kg2 e5 38. Nf5 Rxb3 39. Nxh6 Kg7 40. Nf5+ Kf6 41. Ng3 Nd3 42. Rh1 Nf4+ 43. Kf3 Rb4 44. h6 Ng6 45. Ne4+ Ke7 46. h7 Rd8 47. c5 dxc5 48. d6+ Ke6 49. Nxc5+ Kd5 50. Rc1 Rxd6 51. Ne4 Rd8 52. Rc7 f5 53. Rd3+ Rd4 54. Rxd4+ Kxd4 55. Ng5 e4+ 56. Kg3 Ra8 57. Rg7 Ra3+ 58. Kh2 Nh8 59. Rg8 1-0

[Event "BEL-chT 1819"]
[Site "Belgium"]
[Date "2019.02.10"]
[Round "7.3"]
[White "Harff, Marcel"]
[Black "Laurent, Julien G"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2416"]
[BlackElo "2242"]
[PlyCount "100"]
[EventDate "2018.09.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "KSK Rochade"]
[BlackTeam "Boitsfort"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 g6 5. Nf3 Bg7 6. Be3 cxd4 7. Na3 Nf6 8. Nb5 0-0 9. Nfxd4 Na6 10. h3 Bd7 11. a4 Rfc8 12. Be2 e5 13. Nf3 e4 14. Nfd4 Nc7 15. c4 Qe5 16. Qd2 Nfe8 17. 0-0 a6 18. Nc3 Ne6 19. Rfd1 Bc6 20. Nxc6 bxc6 21. Qc2 f5 22. a5 f4 23. Bb6 Nf6 24. Bg4 Re8 25. Re1 h5 26. Bxe6+ Rxe6 27. Rad1 Rae8 28. f3 e3 29. Qxg6 Nd5 30. Bd4 Qxd4 31. Qxe8+ Rxe8 32. Rxd4 Bxd4 33. cxd5 Bxc3 34. bxc3 cxd5 35. g3 Rc8 36. Kf1 Rxc3 37. Rd1 fxg3 38. Rxd5 h4 39. Ke2 Kf7 40. f4 Rc1 41. Rg5 Rh1 42. Kxe3 Rxh3 43. f5 Rh1 44. Kf3 Rf1+ 45. Kg2 Rf2+ 46. Kg1 Kf6 47. Rh5 Rh2 48. Kf1 Ke5 49. Kg1 h3 50. Rg5 Kf4 0-1

[Event "BEL-chT 1819"]
[Site "Belgium"]
[Date "2019.02.03"]
[Round "6.4"]
[White "Harff, Marcel"]
[Black "Chabanon, Jean Luc"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2416"]
[BlackElo "2448"]
[PlyCount "130"]
[EventDate "2018.09.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "KSK Rochade"]
[BlackTeam "Liege Crelel"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 Be7 5. Bb2 0-0 6. Nc3 c5 7. cxd5 Nxd5 8. Be2 Bf6 9. Rc1 b6 10. d4 Nxc3 11. Bxc3 cxd4 12. Bxd4 Bb7 13. 0-0 Nc6 14. Bxf6 gxf6 15. Qc2 Ne5 16. Rfd1 Qb8 17. Nxe5 Qxe5 18. Qc7 Bd5 19. Qxe5 fxe5 20. Ba6 f5 21. f3 Rf7 22. e4 fxe4 23. fxe4 Bxe4 24. Re1 Bd5 25. Rxe5 Raf8 26. Re2 Kg7 27. h3 Rf4 28. Rc7+ R8f7 29. Rec2 Rxc7 30. Rxc7+ Rf7 31. Rc8 Kf6 32. Bc4 Ke5 33. h4 Kd4 34. h5 Rf5 35. g4 Rg5 36. Be2 Ke3 37. Kf1 Rg7 38. Ke1 e5 39. Rd8 Be4 40. Rc8 Bb1 41. Rc3+ Kf4 42. a4 e4 43. b4 Rd7 44. a5 bxa5 45. bxa5 Ba2 46. Rc5 Be6 47. g5 Rb7 48. g6 hxg6 49. hxg6 Bf5 50. Rc6 Rg7 51. Rf6 Rxg6 52. Rxg6 Bxg6 53. Bb5 Ke5 54. Bc6 e3 55. Bb5 Kd4 56. Be2 Be4 57. Bg4 Bd3 58. Bf3 Kc3 59. Be2 a6 60. Bxd3 Kxd3 61. Kd1 Ke4 62. Ke2 Kd4 63. Ke1 Kd3 64. Kd1 e2+ 65. Ke1 Ke3 1/2-1/2

[Event "NRW Class2 1819"]
[Site "Germany"]
[Date "2019.01.13"]
[Round "5.1"]
[White "Scheider, Julian"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "C15"]
[WhiteElo "2320"]
[BlackElo "2389"]
[PlyCount "44"]
[EventDate "2018.09.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Iserlohn Koenigsspringer"]
[BlackTeam "Duesseldorf II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Be7 6. Nxe4 Nf6 7. N2g3 Nbd7 8. c3 0-0 9. Bd3 c5 10. Nxc5 Bxc5 11. dxc5 Nxc5 12. Bc2 Qxd1+ 13. Kxd1 Rd8+ 14. Ke1 b6 15. Bg5 Rd5 16. Bxf6 gxf6 17. Rd1 Rxd1+ 18. Kxd1 Bb7 19. f3 f5 20. Kc1 Kf8 21. Rd1 Ke7 22. Re1 Kd6 1/2-1/2

[Event "Vandoeuvre op-A 15th"]
[Site "Vandoeuvre"]
[Date "2019.01.04"]
[Round "6.4"]
[White "Xu, Xiangyu"]
[Black "Harff, Marcel"]
[Result "1-0"]
[ECO "D79"]
[WhiteElo "2567"]
[BlackElo "2399"]
[PlyCount "111"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. c4 c6 6. cxd5 cxd5 7. Nc3 0-0 8. Ne5 Nbd7 9. 0-0 e6 10. Bf4 Nxe5 11. Bxe5 Bd7 12. Qb3 Bc6 13. Rac1 Qd7 14. e3 Rfc8 15. h4 Ne4 16. Bxe4 dxe4 17. Bxg7 Kxg7 18. Qd1 h5 19. Qd2 Rd8 20. Rfd1 Qe7 21. Qe2 a6 22. Qc4 Bd5 23. Qc5 Qf6 24. Qc7 Bc6 25. Qe5 Rd7 26. Qxf6+ Kxf6 27. Ne2 Rad8 28. Rc5 Rd5 29. Nc3 Rxc5 30. dxc5 Rxd1+ 31. Nxd1 Bb5 32. Nc3 Bd3 33. b4 Ke7 34. a4 Kd7 35. b5 axb5 36. axb5 f5 37. Kg2 Bc4 38. f3 exf3+ 39. Kxf3 e5 40. Kf2 Ke6 41. Kf3 Bf1 42. Kf2 Bc4 43. Kg2 Bd3 44. Kg1 Bc4 45. Kf2 Bd3 46. Ke1 Bc4 47. Kd2 Kf6 48. b6 Be6 49. c6 Bc8 50. c7 g5 51. Ke2 f4 52. exf4 exf4 53. gxf4 gxh4 54. Nb5 h3 55. Kf2 Bd7 56. Kg3 1-0

[Event "Vandoeuvre op-A 15th"]
[Site "Vandoeuvre"]
[Date "2019.01.03"]
[Round "3.1"]
[White "Harff, Marcel"]
[Black "Bauer, Christian"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "2399"]
[BlackElo "2637"]
[PlyCount "89"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. e3 Nf6 4. Nf3 Bb4 5. Qc2 Bxc3 6. bxc3 0-0 7. e4 d6 8. d3 Nh5 9. Be2 f5 10. exf5 Bxf5 11. 0-0 h6 12. Qb3 Rb8 13. c5+ d5 14. d4 Bg4 15. dxe5 Nxe5 16. Nxe5 Bxe2 17. Re1 Ba6 18. Qd1 Nf6 19. Be3 Qe8 20. Bd4 Rd8 21. c6 bxc6 22. f3 Nh5 23. Qa4 Bb5 24. Qxa7 Nf4 25. a4 Ra8 26. Qxc7 Ne6 27. Qb7 Nxd4 28. cxd4 Rxa4 29. Rxa4 Bxa4 30. Ra1 c5 31. Qxd5+ Kh7 32. Qe4+ Kg8 33. Qd5+ Kh7 34. dxc5 Rf5 35. Re1 Qe7 36. Qe4 Qxc5+ 37. Kh1 Bc2 38. Qe2 Qc3 39. g4 Rxe5 40. Qxe5 Qxf3+ 41. Kg1 Qxg4+ 42. Kf2 Qh4+ 43. Qg3 Qd4+ 44. Qe3 Qh4+ 45. Qg3 1/2-1/2

[Event "Bundesliga 1819"]
[Site "Germany"]
[Date "2018.12.16"]
[Round "6.5"]
[White "Saric, Ivan"]
[Black "Harff, Marcel"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2692"]
[BlackElo "2411"]
[PlyCount "104"]
[EventDate "2018.11.10"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]
[WhiteTeam "Hockenheim"]
[BlackTeam "Duesseldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Nf6 7. Nc3 Qc7 8. Be3 b6 9. Qd2 e5 10. Bh6 0-0 11. Nh2 Re8 12. Bxg7 Kxg7 13. Ng4 Ng8 14. 0-0-0 Be6 15. Ne2 Rad8 16. Qc3 f6 17. g3 Qd7 18. f3 Bxg4 19. hxg4 Nh6 20. Rdf1 Nf7 21. Kb1 Rh8 22. Qe1 a5 23. Qf2 Rdf8 24. a3 Nd6 25. Nc3 Nb5 26. Qd2 Nxc3+ 27. Qxc3 Re8 28. Rh2 h6 29. Rhf2 Qd4 30. Qd2 Rhf8 31. f4 c4 32. Rh2 cxd3 33. c3 Qxe4 34. Re1 Qd5 35. fxe5 g5 36. exf6+ Kxf6 37. Rxe8 Rxe8 38. c4 Qxc4 39. Rxh6+ Kf7 40. Qf2+ Kg8 41. Rg6+ Kh7 42. Rd6 Rf8 43. Qh2+ Kg8 44. Rg6+ Kf7 45. Rxg5 Ke8 46. Rf5 Rxf5 47. gxf5 Qe4 48. Qh5+ Kd7 49. Qf7+ Kd6 50. Qf6+ Kd7 51. Qf7+ Kd6 52. Qf6+ Kd7 1/2-1/2

[Event "Bundesliga 1819"]
[Site "Germany"]
[Date "2018.12.15"]
[Round "5.5"]
[White "Harff, Marcel"]
[Black "Kovalenko, Igor"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2411"]
[BlackElo "2644"]
[PlyCount "98"]
[EventDate "2018.11.10"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]
[WhiteTeam "Duesseldorf"]
[BlackTeam "Viernheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nf3 c6 3. Nc3 d5 4. e3 a6 5. cxd5 cxd5 6. Qa4+ Nc6 7. Ne5 Bd7 8. Nxd7 Qxd7 9. d4 e6 10. Bd2 Bd6 11. Be2 0-0 12. 0-0 b5 13. Qd1 Rfc8 14. Rc1 Qd8 15. h3 Nd7 16. Nb1 Nb6 17. b3 Rc7 18. Bc3 Qe7 19. Qd2 Nd7 20. Bd3 f5 21. Rc2 Nf6 22. Rfc1 Rac8 23. Ba5 Nxa5 24. Qxa5 Rxc2 25. Rxc2 Rxc2 26. Bxc2 Qb7 27. Bd3 Kf7 28. Qc3 g5 29. Nd2 b4 30. Qc2 h6 31. Kf1 Ke7 32. Nf3 a5 33. Nd2 h5 34. Ke1 g4 35. hxg4 hxg4 36. f3 Qb6 37. Be2 Bg3+ 38. Kd1 Bf2 39. Qd3 g3 40. Nf1 Qc7 41. Nd2 Qc3 42. Qxc3 bxc3 43. Nf1 f4 44. Kc2 Nh5 45. exf4 Nxf4 46. Bb5 Nxg2 47. Kxc3 Nh4 48. Nxg3 Bxg3 49. Be2 Nf5 0-1

