[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.29"]
[Round "6"]
[White "Gao, Chenzhuo"]
[Black "Niedenthal, Robert"]
[Result "0-1"]
[ECO "A10"]
[BlackElo "1504"]
[PlyCount "84"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. c4 g6 2. d3 Bg7 3. Nf3 b6 4. g3 Bb7 5. Bg2 Nf6 6. Nc3 0-0 7. Bd2 d6 8. h3 Nbd7 9. 0-0 a6 10. Re1 e5 11. e4 Nc5 12. Bg5 h6 13. Bxf6 Bxf6 14. Qd2 Bg7 15. Rad1 Ne6 16. a3 c6 17. Ne2 Nc5 18. Qc2 Rc8 19. d4 Nd7 20. dxe5 Nxe5 21. Nxe5 Bxe5 22. b4 Qe7 23. f4 Bg7 24. Rd3 Rfd8 25. Red1 c5 26. bxc5 Bxe4 27. Bxe4 Qxe4 28. cxb6 Rxc4 29. Qd2 Rc6 30. Rb3 Rc2 31. Qe3 Rxe2 32. Qxe4 Rxe4 33. b7 Rb8 34. Rxd6 Bd4+ 35. Kg2 Ba7 36. Rxa6 Re2+ 37. Kf3 Rf2+ 38. Kg4 h5+ 39. Kg5 Bc5 40. Ra8 Kg7 41. Re3 Rxb7 42. Ra6 Bxe3 0-1

[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.29"]
[Round "7"]
[White "Gao, Chenzhuo"]
[Black "Stepanjan, Tatevik Mia"]
[Result "1/2-1/2"]
[ECO "A20"]
[BlackElo "1351"]
[PlyCount "65"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. c4 e5 2. d3 Nf6 3. Nf3 c6 4. Nxe5 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 d6 7. Nf3 Be6 8. g3 0-0 9. Bg2 d5 10. cxd5 Nxd5 11. h3 Nd7 12. 0-0 N7f6 13. Nc3 h6 14. a3 Qd7 15. Kh2 Rfe8 16. Rfe1 Qc7 17. Rac1 Qb6 18. Nxd5 Bxd5 19. e4 Be6 20. b4 Rad8 21. Rc3 Nd7 22. Qe3 Qa6 23. d4 Nb6 24. Rc5 Nc4 25. Qc3 b5 26. d5 cxd5 27. exd5 Bd7 28. Ra1 Qb7 29. a4 a6 30. axb5 axb5 31. Nd2 Nxd2 32. Qxd2 Qb6 33. Re1 1/2-1/2

[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.28"]
[Round "4"]
[White "Gao, Chenzhuo"]
[Black "Wagener, Nicolas"]
[Result "0-1"]
[ECO "A10"]
[BlackElo "1427"]
[PlyCount "150"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. c4 b6 2. d3 Bb7 3. e4 c5 4. Nf3 g6 5. g3 Nc6 6. Bg2 Bg7 7. a3 Nd4 8. Nxd4 Bxd4 9. Qc2 Nf6 10. h3 Qc7 11. Bd2 h5 12. Nc3 a6 13. Ne2 e5 14. Nxd4 exd4 15. Rc1 0-0-0 16. Bg5 Qd6 17. 0-0 Rde8 18. Bxf6 Qxf6 19. b4 d6 20. bxc5 dxc5 21. Rb1 Kb8 22. Qb3 Ka7 23. Rb2 h4 24. g4 Qc6 25. Rfb1 Re6 26. f4 Qc7 27. Rf1 f5 28. exf5 gxf5 29. g5 Bxg2 30. Rxg2 Re3 31. Kh2 Rhe8 32. Qc2 Qe7 33. g6 Re2 34. Rxe2 Qxe2+ 35. Qxe2 Rxe2+ 36. Kh1 Re8 37. g7 Rg8 38. Rg1 Kb7 39. Rg5 a5 40. Rxf5 Rxg7 41. Rh5 Rg3 42. Rxh4 Rxd3 43. f5 Rf3 44. Rh7+ Kc6 45. Rh6+ Kc7 46. Rh7+ Kd6 47. Rh6+ Ke5 48. Kg2 Rxa3 49. Rxb6 Kxf5 50. Rb5 d3 51. Rxc5+ Ke4 52. Rd5 Ra4 53. Rd8 Rxc4 54. h4 Rd4 55. Re8+ Kd5 56. Rd8+ Kc4 57. Rc8+ Kb3 58. Rb8+ Kc3 59. Rc8+ Rc4 60. Rxc4+ Kxc4 61. Kf2 Kc3 62. h5 d2 63. Ke2 Kc2 64. h6 d1Q+ 65. Ke3 Qh1 66. h7 a4 67. h8Q Qxh8 68. Ke2 Qc3 69. Kf2 a3 70. Ke2 a2 71. Kf2 Qd3 72. Kg2 Qe3 73. Kh2 a1R 74. Kg2 Rg1+ 75. Kh2 Qg3# 0-1

[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.28"]
[Round "5"]
[White "Schroeder, Jakob"]
[Black "Gao, Chenzhuo"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1222"]
[PlyCount "60"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. e4 b6 2. d4 e6 3. Nc3 Bb7 4. Bd3 d6 5. Nge2 Ne7 6. 0-0 g6 7. Bf4 Bg7 8. Re1 h6 9. h3 Nd7 10. Bg3 g5 11. f4 gxf4 12. Bxf4 Rg8 13. Qd2 h5 14. Rf1 Bh8 15. Bg5 f6 16. Bh4 Ng6 17. Bg3 h4 18. Bh2 Qe7 19. Nf4 0-0-0 20. Bc4 Nxf4 21. Qxf4 f5 22. Rad1 fxe4 23. Nxe4 Rdf8 24. Qe3 d5 25. Bxd5 Rxf1+ 26. Kxf1 Bxd5 27. Qc3 e5 28. dxe5 Bxe4 29. Qc4 Bxg2+ 30. Kf2 Qc5+ 0-1

[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.27"]
[Round "2"]
[White "Gao, Chenzhuo"]
[Black "Avhopulo, Kirill"]
[Result "1-0"]
[ECO "A22"]
[PlyCount "135"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. c4 e5 2. d3 Nf6 3. Nc3 Bb4 4. Bd2 Bxc3 5. Bxc3 d6 6. g3 c5 7. Bg2 Nc6 8. Nf3 0-0 9. h3 h6 10. 0-0 Re8 11. Re1 Bd7 12. a3 a5 13. e3 d5 14. cxd5 Nxd5 15. Qb3 Nxc3 16. Qxc3 Qb6 17. Rac1 Rab8 18. Rc2 Qb5 19. Qxc5 Qxd3 20. Rd2 Qf5 21. g4 Qe6 22. Red1 Rbd8 23. Rd6 Qe7 24. Qb6 Be6 25. Rxd8 Rxd8 26. Rxd8+ Qxd8 27. Qxd8+ Nxd8 28. Nxe5 f6 29. Ng6 Kf7 30. Nf4 Bc4 31. Bd5+ Bxd5 32. Nxd5 Ke6 33. Nb6 Nc6 34. f4 g6 35. Kf2 Kd6 36. Ke2 g5 37. Kd3 Kc5 38. Nd7+ Kd6 39. Nxf6 gxf4 40. exf4 Ne7 41. Ne4+ Kd5 42. b3 Ng6 43. Ke3 b5 44. Nf6+ Kc5 45. Ng8 b4 46. a4 h5 47. gxh5 Nf8 48. Nf6 Kd6 49. h6 Ng6 50. f5 Nh8 51. Kf4 Ke7 52. Kg5 Nf7+ 53. Kg6 Nxh6 54. Nd5+ Kd6 55. Kxh6 Kxd5 56. f6 Ke6 57. Kg6 Kd5 58. f7 Kd4 59. f8Q Kc3 60. Qf3+ Kb2 61. Qd3 Ka1 62. Kf5 Kb2 63. Ke4 Ka1 64. Ke3 Kb2 65. Kd2 Ka3 66. Kc1 Ka2 67. Qc2+ Ka3 68. Qb2# 1-0

[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.27"]
[Round "3"]
[White "Himmelspacht, Maxim"]
[Black "Gao, Chenzhuo"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1588"]
[PlyCount "87"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. e4 b6 2. Nc3 Bb7 3. d4 e6 4. Bd3 d6 5. Nf3 Be7 6. 0-0 Bf8 7. Re1 Ne7 8. d5 e5 9. a4 a6 10. Be3 g6 11. Qd2 h6 12. h3 Bg7 13. Nh2 Nd7 14. Rf1 g5 15. Ne2 Nf6 16. c4 a5 17. b4 0-0 18. Rfb1 Ba6 19. bxa5 bxa5 20. Qc2 Qd7 21. Ra2 Rfb8 22. Rab2 Rxb2 23. Rxb2 c6 24. Nc3 cxd5 25. cxd5 Bxd3 26. Qxd3 Rc8 27. Nb5 Rb8 28. Nf1 Ng6 29. Ng3 Nh4 30. Rc2 g4 31. hxg4 Nxg4 32. Bd2 Ra8 33. Rc6 Bf8 34. Qc2 Nf6 35. f3 Ng6 36. Nf5 Nf4 37. Nfxd6 Bxd6 38. Rxd6 Qe7 39. Bxf4 exf4 40. Qc6 Nxe4 41. Qxa8+ Kg7 42. fxe4 Qxe4 43. Qxa5 Qb1+ 44. Kh2 1-0

[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.26"]
[Round "1"]
[White "Elpelt, Silvia"]
[Black "Gao, Chenzhuo"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1464"]
[PlyCount "67"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. e4 b6 2. Nc3 Bb7 3. d4 e6 4. Nf3 d6 5. Bb5+ Nd7 6. 0-0 a6 7. Bd3 Ne7 8. Bg5 h6 9. Bd2 g6 10. Re1 Bg7 11. Rb1 g5 12. h3 Ng6 13. d5 e5 14. Ne2 Nf6 15. Ng3 Bc8 16. c4 Ne7 17. Nh2 Qd7 18. Nh5 0-0 19. Nxf6+ Bxf6 20. Be2 Bg7 21. Bg4 f5 22. Bh5 fxe4 23. Bg4 Nf5 24. Rxe4 Qf7 25. Bh5 Qf6 26. Ng4 Qe7 27. Re1 Bd7 28. b4 Be8 29. Ne3 Nxe3 30. Bxe3 Bxh5 31. Qxh5 Rae8 32. a3 Qf7 33. Qxf7+ Rxf7 34. Rf1 1/2-1/2

