[Event "Kimberley Extravaganza op"]
[Site "Kimberley"]
[Date "2024.09.29"]
[Round "9"]
[White "Jacobs, Calvin Nicholas"]
[Black "Ngcongo, Minenhle"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1812"]
[BlackElo "1869"]
[PlyCount "66"]
[EventDate "2024.09.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. 0-0 Bc5 10. f3 Ng5 11. Be3 Bb6 12. f4 Ne4 13. Nd2 Nxd2 14. Qxd2 c5 15. Nf3 Bf5 16. a4 a5 17. b3 Qd7 18. Rad1 d4 19. Bf2 0-0-0 20. Qe2 Qc6 21. Rfe1 h6 22. Nh4 Be6 23. f5 Bd5 24. Qg4 Kb8 25. e6 g5 26. Ng6 fxg6 27. f6 Rde8 28. e7 Qxf6 29. c4 h5 30. Qe2 Bb7 31. Bg3 h4 32. Be5 Qxe7 33. Qc2 Rhg8 0-1

[Event "Kimberley Extravaganza op"]
[Site "Kimberley"]
[Date "2024.09.28"]
[Round "8"]
[White "Potgieter, Edward"]
[Black "Jacobs, Calvin Nicholas"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "1934"]
[BlackElo "1812"]
[PlyCount "68"]
[EventDate "2024.09.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. Rg1 Nc6 8. Be3 a6 9. Qf3 Nxd4 10. Bxd4 e5 11. Be3 b5 12. h4 b4 13. Ne2 g6 14. g5 hxg5 15. hxg5 Nh5 16. Ng3 Nxg3 17. Qxg3 Qa5 18. Bd2 Qc5 19. c3 Be6 20. Rc1 b3 21. axb3 Bxb3 22. c4 Rb8 23. Qc3 Rh4 24. Be3 Qc7 25. Bd3 d5 26. c5 d4 27. Bxd4 exd4 28. Qxd4 Rd8 29. Qc3 Be6 30. b4 Rh3 31. Rd1 Qf4 32. c6 Qxe4+ 33. Bxe4 Rxc3 34. Rb1 Bxb4 0-1

[Event "Kimberley Extravaganza op"]
[Site "Kimberley"]
[Date "2024.09.27"]
[Round "5"]
[White "Jacobs, Calvin Nicholas"]
[Black "Simpson, Michael"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1812"]
[BlackElo "2125"]
[PlyCount "72"]
[EventDate "2024.09.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Qxd4 e6 6. Nf3 Nc6 7. Qe4 f5 8. Qe2 b5 9. g3 a5 10. Bg2 Be7 11. 0-0 Ba6 12. Rd1 0-0 13. Nd4 b4 14. c4 Nxd4 15. Rxd4 Rc8 16. b3 a4 17. Qe1 Bc5 18. Rd1 f4 19. cxd5 fxg3 20. hxg3 Bxf2+ 21. Qxf2 Rxf2 22. Kxf2 Rxc1 23. Rxc1 Qb6+ 24. Kf3 Qd4 25. Nd2 Qxd2 26. Bf1 Qxd5+ 27. Kf2 Qd4+ 28. Kg2 Bb7+ 29. Kh2 Qf2+ 30. Kh3 Qf5+ 31. Kh2 Qh5+ 32. Kg1 Qh1+ 33. Kf2 Qf3+ 34. Ke1 Qe3+ 35. Be2 Bf3 36. Rc2 Bxe2 0-1

[Event "Kimberley Extravaganza op"]
[Site "Kimberley"]
[Date "2024.09.26"]
[Round "4"]
[White "Acho, Christian"]
[Black "Jacobs, Calvin Nicholas"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1976"]
[BlackElo "1812"]
[PlyCount "135"]
[EventDate "2024.09.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 d6 6. Nc3 Nc6 7. Nb3 Be7 8. f4 0-0 9. Qf3 a5 10. a4 Nb4 11. Be3 Bd7 12. g4 d5 13. e5 Ne4 14. 0-0 Nxd3 15. cxd3 Nxc3 16. bxc3 f6 17. Bd4 f5 18. Nc5 Qc7 19. Nxd7 Qxd7 20. Rfb1 fxg4 21. Qxg4 Rf5 22. Rb6 Ra6 23. Rb5 g5 24. Rf1 Qe8 25. Rxb7 h5 26. Qg2 Ra8 27. Kh1 Rb8 28. Ra7 Ra8 29. Rxa8 Qxa8 30. fxg5 Rxg5 31. Qh3 Qc6 32. Qf3 Rf5 33. Rg1+ Kf7 34. Qg2 Rg5 35. Rf1+ Kg6 36. Qh3 Kg7 37. Qf3 Rf5 38. Qg2+ Rg5 39. Qc2 Bc5 40. Qf2 Rf5 41. Qg3+ Kf7 42. Rxf5+ exf5 43. Qg5 Bxd4 44. Qxf5+ Ke7 45. cxd4 Qc1+ 46. Kg2 Qd2+ 47. Qf2 Qg5+ 48. Kf3 Ke6 49. Qg3 Qc1 50. Qg6+ Ke7 51. Qd6+ Ke8 52. Qe6+ Kf8 53. Qd6+ Ke8 54. Qb8+ Ke7 55. Qa7+ Ke8 56. Qc5 Qf1+ 57. Ke3 Qe1+ 58. Kf4 Qd2+ 59. Kf5 Qxd3+ 60. Ke6 Qg6+ 61. Kxd5 Qf7+ 62. e6 Qf5+ 63. Kd6 Qf4+ 64. Kc6 Qe4+ 65. d5 Qxa4+ 66. Kc7 Qf4+ 67. d6 a4 68. Qc6+ 1-0

[Event "Kimberley Extravaganza op"]
[Site "Kimberley"]
[Date "2024.09.26"]
[Round "3"]
[White "Jacobs, Calvin Nicholas"]
[Black "Samuels, Ethan"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1812"]
[BlackElo "1979"]
[PlyCount "122"]
[EventDate "2024.09.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 e6 4. cxd4 d5 5. e5 Nc6 6. Nf3 Nge7 7. h4 Qb6 8. Nc3 Nf5 9. Bb5 h5 10. a4 Bb4 11. Be3 Bd7 12. Kf1 a6 13. Bd3 Bxc3 14. bxc3 Na5 15. Bxf5 exf5 16. Kg1 Rc8 17. Kh2 Nc4 18. Qd3 0-0 19. Rhb1 Qc6 20. Nd2 f6 21. Nxc4 dxc4 22. Qd2 Qe4 23. Bf4 Bc6 24. f3 Qd5 25. exf6 Rxf6 26. Re1 Re6 27. Re5 Rxe5 28. Bxe5 Re8 29. Qf4 Qf7 30. Qg5 Bd5 31. Rb1 Bc6 32. a5 Re6 33. Qf4 Rg6 34. Re1 Qe7 35. Re3 Qf7 36. Bd6 Re6 37. Rxe6 Qxe6 38. Be5 Qg6 39. Qc1 Bd5 40. Qa3 Qe6 41. Qc5 Kh7 42. Kg3 Qg6+ 43. Kf2 Qe6 44. Qf8 Qf7 45. Qd8 Qe6 46. Ke2 Qf7 47. Ke3 Be6 48. Kf4 Bd5 49. Qg5 Be6 50. Bd6 Kg8 51. Qd8+ Kh7 52. Qe7 Qg6 53. Be5 Bc8 54. Qg5 Qf7 55. d5 Bd7 56. Ke3 Be8 57. Kd4 Bb5 58. Qd8 Qg6 59. g3 f4 60. gxf4 Qg1+ 61. Ke4 Qb1+ 1/2-1/2

[Event "Kimberley Extravaganza op"]
[Site "Kimberley"]
[Date "2024.09.25"]
[Round "1"]
[White "Jacobs, Calvin Nicholas"]
[Black "Oatlhotse, Providence"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1812"]
[BlackElo "2239"]
[PlyCount "203"]
[EventDate "2024.09.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 Nf6 4. e5 Ng8 5. f4 Bf5 6. Bd3 Bxd3 7. Qxd3 e6 8. Ne2 Nh6 9. Ng3 Qd7 10. 0-0 g6 11. a3 Na6 12. b4 Nf5 13. Nc3 Nc7 14. Na4 b6 15. Nxf5 gxf5 16. Qb3 h5 17. Be3 Be7 18. Nb2 Rg8 19. Rf3 h4 20. h3 Rg6 21. Kh1 0-0-0 22. Bf2 Rdg8 23. Rg1 R8g7 24. Nd3 Qe8 25. Ne1 Kb8 26. a4 Na6 27. c3 Qc8 28. b5 cxb5 29. Qxb5 Nc7 30. Qb2 Qa6 31. Qc2 Rg8 32. Nd3 Ka8 33. Nb4 Qc4 34. Qd3 Kb7 35. Qb1 Ka8 36. Qd3 Qxd3 37. Rxd3 Kb7 38. Rd2 Rc8 39. Rb1 Ne8 40. Rb3 Ng7 41. a5 Nh5 42. axb6 axb6 43. Nd3 Ra8 44. Rdb2 Ra1+ 45. Kh2 Bd8 46. Bxh4 Bc7 47. Rb1 Rxb1 48. Rxb1 Rg8 49. g3 Ra8 50. Be7 Ra2+ 51. Rb2 Ra1 52. Kg2 Rd1 53. Nf2 Rc1 54. Bb4 Bd8 55. Rd2 Re1 56. Rd1 Re2 57. Kf3 Ra2 58. Rf1 Kc6 59. Bf8 Ra8 60. Bb4 Kd7 61. g4 Ng7 62. g5 Ne8 63. h4 Nc7 64. h5 Be7 65. Rb1 Bxb4 66. Rxb4 b5 67. Rb3 Ke7 68. Nd3 Ra1 69. h6 Kf8 70. Nc5 Ke7 71. Kg2 Ra2+ 72. Kf3 Ra1 73. Ke3 Ra7 74. Rb2 Ra3 75. Kd3 Ra1 76. Rh2 Ra8 77. Rh1 Kf8 78. Kc2 Kg8 79. Kb2 Ra7 80. Rg1 Kh7 81. Ra1 Rxa1 82. Kxa1 Na8 83. Nd7 Nc7 84. Kb2 b4 85. cxb4 Nb5 86. Kb3 Nxd4+ 87. Ka4 Ne2 88. b5 d4 89. Nc5 Nxf4 90. b6 d3 91. Nb3 Nd5 92. b7 Nb6+ 93. Kb5 Nd7 94. Kc6 Nb8+ 95. Kc7 Na6+ 96. Kc8 Kg6 97. b8Q Nxb8 98. Kxb8 f6 99. gxf6 Kxh6 100. Nd2 Kg6 101. Kc7 f4 102. Kd6 1-0

[Event "Kimberley Extravaganza op"]
[Site "Kimberley"]
[Date "2024.09.25"]
[Round "2"]
[White "Mnguni, Jacob Dumisani"]
[Black "Jacobs, Calvin Nicholas"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2195"]
[BlackElo "1812"]
[PlyCount "161"]
[EventDate "2024.09.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. c4 f5 2. g3 Nf6 3. Bg2 g6 4. Nc3 Bg7 5. d4 0-0 6. e3 d6 7. Nge2 Nc6 8. 0-0 e5 9. Rb1 a5 10. a3 e4 11. b4 Ne7 12. Bd2 c6 13. Qb3 axb4 14. axb4 Be6 15. b5 c5 16. d5 Bf7 17. f3 exf3 18. Bxf3 Nd7 19. Nf4 Ne5 20. Bg2 Nc8 21. Ne6 Bxe6 22. dxe6 Rb8 23. e4 Ng4 24. exf5 gxf5 25. Ne2 Ne7 26. h3 Ne5 27. Bg5 h6 28. Bxe7 Qxe7 29. Qc2 Kh8 30. Bd5 Qg5 31. Kh2 Ng6 32. b6 Be5 33. Kh1 Ne7 34. Rb3 Rg8 35. Rbf3 Qh5 36. Kh2 Rg7 37. Nf4 Qg5 38. Ra3 h5 39. h4 Qh6 40. Bg2 Rg4 41. Bh3 Bxf4 42. Bxg4 hxg4 43. Rxf4 Qxe6 44. Rf2 Rf8 45. Re2 Qf7 46. Qc1 Ng6 47. Qh6+ Kg8 48. Qg5 Kh8 49. Qh5+ Kg7 50. Qg5 Kh8 51. Rf2 Ne5 52. Qh6+ Kg8 53. Qxd6 Nxc4 54. Qxc5 Nxa3 55. Qxa3 Qf6 56. Qb4 Kh7 57. Rc2 Rf7 58. Rf2 Kg6 59. Rd2 Qe5 60. Rd6+ Kh5 61. Qd2 Qg7 62. Rd5 Qh6 63. Qf2 Qe6 64. Qd2 Qh6 65. Qd3 Qf6 66. Qd2 Qh6 67. Qc2 Qe6 68. Rc5 Kg6 69. Rc4 Kh5 70. Rc7 Kg6 71. Qd2 f4 72. gxf4 Kh5 73. Rc5+ Rf5 74. Qc2 g3+ 75. Kg2 Rd5 76. Qh7+ Kg4 77. Qg7+ Kh5 78. Qh7+ Kg4 79. Qg7+ Kh5 80. Qh7+ Kg4 81. Qg7+ 1/2-1/2

[Event "Africa-ch U16"]
[Site "Johannesburg"]
[Date "2024.06.22"]
[Round "9"]
[White "Jacobs, Calvin Nicholas"]
[Black "Yan, Weilun"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "1785"]
[BlackElo "1676"]
[PlyCount "99"]
[EventDate "2024.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 Bd6 5. Nf3 e4 6. Nd4 Nxd4 7. Bxd4 c6 8. Be2 Bc7 9. c4 d5 10. Bb2 Bf5 11. Na3 a6 12. Nc2 h5 13. Nd4 Bg6 14. c5 Nd7 15. Qc2 Qe7 16. b4 Ne5 17. a4 Qg5 18. g3 Ng4 19. h4 Qe7 20. Bxg4 hxg4 21. 0-0-0 f6 22. Rh2 Kf7 23. a5 Rh5 24. Rf1 Rah8 25. Qd1 Qd7 26. Rhh1 Bf5 27. Bc3 Bg6 28. Qe2 Bf5 29. Kb2 g5 30. Rhg1 gxh4 31. gxh4 Rxh4 32. Rg2 Bg6 33. Qd1 R8h7 34. Ne2 Qf5 35. Nd4 Qh5 36. Ka3 Rg7 37. Rfg1 Bh7 38. Qb3 Rh1 39. b5 Rxg1 40. Rxg1 axb5 41. a6 Qh2 42. Qd1 bxa6 43. Rxg4 a5 44. Rxg7+ Kxg7 45. Qg4+ Kh6 46. Ne6 b4+ 47. Kb3 Bg6 48. Bxf6 Bb8 49. Qg5+ Kh7 50. Nf8+ 1-0

[Event "Africa-ch U16"]
[Site "Johannesburg"]
[Date "2024.06.21"]
[Round "8"]
[White "Kandil, Ahmed"]
[Black "Jacobs, Calvin Nicholas"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "2069"]
[BlackElo "1785"]
[PlyCount "59"]
[EventDate "2024.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Bf4 d6 7. Bg3 Nf6 8. Be2 Be7 9. Qd2 0-0 10. 0-0-0 e5 11. Nxc6 bxc6 12. f4 Qc7 13. Rhf1 a5 14. Bh4 Rd8 15. Bc4 Ba6 16. Qd3 Bb7 17. fxe5 dxe5 18. Qg3 Rxd1+ 19. Nxd1 Kh8 20. Nc3 Ba6 21. Bxa6 Rxa6 22. Rf5 Qd7 23. Qd3 Qxd3 24. cxd3 Kg8 25. Rxe5 Kf8 26. Rxe7 Kxe7 27. e5 Ke6 28. exf6 gxf6 29. Ne4 Kd5 30. Nxf6+ 1-0

[Event "Africa-ch U16"]
[Site "Johannesburg"]
[Date "2024.06.20"]
[Round "7"]
[White "Jacobs, Calvin Nicholas"]
[Black "Baruch, Liam"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "1785"]
[BlackElo "1857"]
[PlyCount "97"]
[EventDate "2024.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Bf5 3. e3 Nf6 4. Nf3 e6 5. Be2 Be7 6. d3 c5 7. Ne5 h6 8. Nd2 Qc7 9. f4 Nc6 10. Ndf3 Nxe5 11. Nxe5 Qa5+ 12. Kf2 h5 13. Bf3 Bg6 14. Rf1 Bd6 15. Kg1 Bxe5 16. Bxe5 Rh7 17. Qe2 Nd7 18. Bb2 Rd8 19. Bxd5 exd5 20. f5 Nf8 21. fxg6 Nxg6 22. Rf5 h4 23. a3 Qb6 24. Raf1 Rd7 25. h3 Kf8 26. Qg4 Kg8 27. Rf6 Qd8 28. Rxg6 d4 29. exd4 cxd4 30. Rgf6 Qe8 31. R6f2 Re7 32. Qxd4 f6 33. Qg4 Kh8 34. c4 Rh6 35. Rf4 Rg6 36. Qh5+ Kg8 37. Qd5+ Rf7 38. Re4 Qb8 39. Be5 Qc8 40. Bh2 Rg5 41. Qe6 Qc5+ 42. Kh1 Qxa3 43. Bd6 Qb2 44. Re2 Qd4 45. Qe8+ Kh7 46. Qxf7 Qxd6 47. Qe6 Qg3 48. Qe4+ Rg6 49. Rf5 1-0

[Event "Africa-ch U16"]
[Site "Johannesburg"]
[Date "2024.06.19"]
[Round "5"]
[White "Jacobs, Calvin Nicholas"]
[Black "Abdallah, Mohamed Khalil"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1785"]
[BlackElo "1724"]
[PlyCount "123"]
[EventDate "2024.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 a6 6. Bf4 d6 7. Bc4 Be7 8. 0-0 Nf6 9. Qe2 e5 10. Bg5 b5 11. Bxf6 Bxf6 12. Bd5 Ra7 13. Rac1 0-0 14. Rfd1 Be6 15. b4 Qb6 16. a3 h6 17. Ba2 Rc7 18. Nd5 Bxd5 19. Bxd5 Rfc8 20. Rxc7 Qxc7 21. Qa2 Nc6 22. Rc1 Qd7 23. h3 Na7 24. Rxc8+ Nxc8 25. Qc2 Nb6 26. Qc6 Qxc6 27. Bxc6 Nc4 28. a4 bxa4 29. Bxa4 Na3 30. Bc6 Nc2 31. b5 axb5 32. Bxb5 Nb4 33. Bc4 Kf8 34. Nd2 Bd8 35. Nb1 Bb6 36. Nc3 Bc5 37. Nd5 Nc2 38. g4 Ne1 39. Be2 Nc2 40. Bc4 Nd4 41. Kg2 Ne6 42. Kg3 Ng5 43. Bd3 Ne6 44. Bc4 Bd4 45. h4 Bb2 46. Ne3 Bd4 47. Nd5 Ke8 48. Bb5+ Kf8 49. Bc4 Nc5 50. f3 Ne6 51. Bb5 Bb2 52. Ne3 Bd4 53. Nd5 Bb2 54. Ne3 Bc1 55. Nf5 Ba3 56. Bc4 Bc5 57. Bd5 Nf4 58. Bc4 Bb4 59. Kf2 Ne6 60. h5 Ba3 61. Kg3 Bc5 62. Kg2 1/2-1/2

[Event "Africa-ch U16"]
[Site "Johannesburg"]
[Date "2024.06.19"]
[Round "6"]
[White "Mpene, Thuto"]
[Black "Jacobs, Calvin Nicholas"]
[Result "0-1"]
[ECO "A88"]
[WhiteElo "1975"]
[BlackElo "1785"]
[PlyCount "66"]
[EventDate "2024.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. 0-0 0-0 7. Nc3 c6 8. h3 Kh8 9. Be3 Be6 10. Qd3 Bg8 11. Rfd1 Nbd7 12. Bf4 Nh5 13. Rab1 Qc7 14. d5 Ne5 15. Bxe5 dxe5 16. e4 Rad8 17. Qe2 e6 18. dxc6 bxc6 19. b4 Bf7 20. c5 h6 21. a4 g5 22. Qc4 Bg6 23. Re1 g4 24. hxg4 fxg4 25. Nh2 Nf6 26. Ne2 h5 27. Nf1 Nh7 28. Rec1 Qf7 29. b5 Qxf2+ 30. Kh1 h4 31. Rc2 h3 32. Bxh3 gxh3 33. Nf4 Qf3+ 0-1

[Event "Africa-ch U16"]
[Site "Johannesburg"]
[Date "2024.06.18"]
[Round "4"]
[White "Potgieter, Edward"]
[Black "Jacobs, Calvin Nicholas"]
[Result "1/2-1/2"]
[ECO "B44"]
[WhiteElo "1878"]
[BlackElo "1785"]
[PlyCount "63"]
[EventDate "2024.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 Bb4 7. Nxc6 dxc6 8. Qxd8+ Kxd8 9. Bg5 Bxc3+ 10. bxc3 h6 11. 0-0-0+ Ke7 12. Bxf6+ gxf6 13. Be2 e5 14. Rd2 Be6 15. Rhd1 Rad8 16. c5 Rxd2 17. Rxd2 f5 18. exf5 Bxf5 19. Rb2 Bc8 20. a4 a5 21. f3 h5 22. Bc4 f6 23. Kd2 f5 24. Ke2 Rd8 25. h4 Kf6 26. Rd2 Rxd2+ 27. Kxd2 Bd7 28. Be2 Be6 29. c4 f4 30. Kc3 Bf5 31. Bd1 Kg6 32. Be2 1/2-1/2

[Event "World Cup U12 Prel"]
[Site "Tornelo INT"]
[Date "2021.08.06"]
[Round "7"]
[White "Al Abeed, Seraj Aldin"]
[Black "Jacobs, Calvin Nicholas"]
[Result "0-1"]
[ECO "B99"]
[BlackElo "1320"]
[PlyCount "60"]
[EventDate "2021.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "NET"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 b5 10. g4 Bb7 11. Bd3 Nbd7 12. Kb1 b4 13. Nce2 Nc5 14. Ng3 Rc8 15. Rc1 h6 16. Bxf6 Bxf6 17. Nb3 Na4 18. g5 Bxb2 19. Rcd1 Ba3 20. Ne2 Nc3+ 21. Ka1 Nxe2 22. Bxe2 Bxe4 23. Qe3 Bxh1 24. Rxh1 Qxc2 25. Rb1 Qc3+ 26. Qxc3 bxc3 27. gxh6 Rxh6 28. Rg1 Rxh2 29. Bxa6 Rb8 30. Bd3 g6 0-1

[Event "World Cup U12 Prel"]
[Site "Tornelo INT"]
[Date "2021.08.06"]
[Round "2"]
[White "Jacobs, Calvin Nicholas"]
[Black "Gilbody, Thomas"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1320"]
[PlyCount "49"]
[EventDate "2021.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "NET"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 h6 5. 0-0 Nf6 6. e5 Ne4 7. Nxd4 Nxd4 8. Qxd4 Ng5 9. Nc3 d6 10. exd6 Bxd6 11. Qxg7 Rf8 12. Nd5 c6 13. Nf6+ Ke7 14. Bxg5 hxg5 15. Rfe1+ Be5 16. Rxe5+ Kd6 17. Rd1+ Kc7 18. Rxd8 Rxd8 19. Qxf7+ Kb8 20. h3 b5 21. Bd3 a6 22. Re7 g4 23. Nxg4 a5 24. Qf4+ Rd6 25. Qxd6# 1-0

[Event "World Cup U12 Prel"]
[Site "Tornelo INT"]
[Date "2021.08.06"]
[Round "8"]
[White "Jacobs, Calvin Nicholas"]
[Black "Glavac, Leo"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1320"]
[BlackElo "1057"]
[PlyCount "57"]
[EventDate "2021.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "NET"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. 0-0 Bc5 10. Be3 Bb6 11. f3 Nc5 12. Qe2 0-0 13. Nc3 Re8 14. f4 f6 15. b4 Nb7 16. Qh5 g6 17. Qf3 fxe5 18. fxe5 Rxe5 19. Qf7+ Kh8 20. Bf2 Qe7 21. Qxe7 Rxe7 22. Na4 Rae8 23. Nxb6 cxb6 24. Bh4 Re4 25. Bf6+ Kg8 26. Rad1 Nd6 27. Nf3 Nc4 28. Ng5 Re2 29. Bd4 1-0

[Event "World Cup U12 Prel"]
[Site "Tornelo INT"]
[Date "2021.08.06"]
[Round "3"]
[White "Jacobs, Calvin Nicholas"]
[Black "Hvozdz, Aliaksandr"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1320"]
[BlackElo "1771"]
[PlyCount "110"]
[EventDate "2021.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "NET"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. Bc4 a6 6. 0-0 e6 7. d3 b5 8. Bb3 c5 9. a3 Be7 10. Qe2 Bb7 11. Ne4 Qd8 12. Bf4 0-0 13. Rad1 Nc6 14. Qe3 Nd5 15. Bxd5 Qxd5 16. Nc3 Qh5 17. Rfe1 Rfd8 18. Ne5 Nxe5 19. Bxe5 Qg6 20. Qg3 Qxg3 21. Bxg3 Bf6 22. Be5 Be7 23. Ne4 f6 24. Bg3 Kf7 25. f4 Rac8 26. c3 Rd7 27. Bf2 h5 28. Kf1 g6 29. d4 cxd4 30. Bxd4 Rcd8 31. Nf2 Bd5 32. g3 Bb3 33. Rd2 Bc5 34. Re4 a5 35. g4 hxg4 36. Nxg4 Bd5 37. Re3 Bxd4 38. Rxd4 Bc4+ 39. Kf2 Rxd4 40. cxd4 Rxd4 41. b3 Bd5 42. Kg3 b4 43. a4 Rd2 44. Nf2 Rb2 45. Ne4 Bxe4 46. Rxe4 Rxb3+ 47. Kg4 f5+ 48. Kg5 fxe4 49. h4 e3 50. h5 gxh5 51. Kxh5 e2 52. Kg5 e1Q 53. Kh5 Qg1 54. Kh4 Rb2 55. f5 Rh2# 0-1

[Event "World Cup U12 Prel"]
[Site "Tornelo INT"]
[Date "2021.08.06"]
[Round "6"]
[White "Jacobs, Calvin Nicholas"]
[Black "Kemularia, Nika"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1320"]
[BlackElo "1103"]
[PlyCount "146"]
[EventDate "2021.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "NET"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. d4 Nf6 3. e5 Nd5 4. c4 Nc7 5. d5 d6 6. Bf4 e6 7. Nf3 dxe5 8. Bxe5 exd5 9. Bxc7 Qxc7 10. cxd5 Be7 11. Bc4 0-0 12. 0-0 a6 13. a4 b6 14. Nc3 Bb7 15. Qc2 Nd7 16. Rad1 Nf6 17. Ne4 Nxe4 18. Qxe4 Rad8 19. Rfe1 Bf6 20. b3 Qd7 21. Bd3 g6 22. Bc2 Bxd5 23. Qf4 Qc6 24. Rxd5 Rxd5 25. Be4 Bc3 26. Bxd5 Qxd5 27. Rc1 Qxb3 28. Qe3 Rd8 29. g3 Rd1+ 30. Rxd1 Qxd1+ 31. Kg2 Bf6 32. Qe8+ Kg7 33. Qc6 Qb3 34. g4 h6 35. h4 Qb4 36. Kh3 Qc3 37. Kg2 Qb4 38. Kg3 g5 39. hxg5 hxg5 40. Qd5 Qf4+ 41. Kh3 Qc1 42. Kg2 Qf4 43. Nh2 c4 44. Qc6 Qd4 45. Nf3 Qc5 46. Qe4 c3 47. Ne1 b5 48. f4 gxf4 49. Qc2 b4 50. Nd3 Qe3 51. Nxb4 f3+ 52. Kf1 Bh4 53. Nd3 Qd2 54. Qxd2 cxd2 55. Nb2 Kf6 56. Nd1 Kg5 57. Ne3 Kf4 58. Nd1 Kxg4 59. a5 Kf4 60. Nc3 Bd8 61. Nd1 Bxa5 62. Kf2 Bb4 63. Ne3 a5 64. Nd5+ Ke4 65. Ne3 a4 66. Nd1 a3 67. Ne3 a2 68. Nc4 d1Q 69. Nd6+ Qxd6 70. Kf1 a1Q+ 71. Kf2 Qd2+ 72. Kg3 Qg2+ 73. Kh4 Qh8# 0-1

[Event "World Cup U12 Prel"]
[Site "Tornelo INT"]
[Date "2021.08.06"]
[Round "10"]
[White "Jacobs, Calvin Nicholas"]
[Black "Sitsanis, Nikolaos1"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1320"]
[BlackElo "1660"]
[PlyCount "66"]
[EventDate "2021.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "NET"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 d6 6. Nf3 Nf6 7. 0-0 g6 8. e5 Ng4 9. exd6 Qxd6 10. Nb5 Qb8 11. h3 Nf6 12. Qb3 e6 13. Rd1 a6 14. Nbd4 Nxd4 15. Rxd4 Bg7 16. Bf4 Qa7 17. Rad1 0-0 18. Rd8 b5 19. Rxf8+ Bxf8 20. Be2 Bb7 21. Be5 Bg7 22. Ng5 Bd5 23. Qc3 Qe7 24. Bf3 Bxf3 25. Nxf3 Rd8 26. Rxd8+ Qxd8 27. Qc6 Ne8 28. Bxg7 Kxg7 29. Qxa6 Nc7 30. Qb6 Qc8 31. Nd4 Qd7 32. Nb3 Nd5 33. Nd4 Nxb6 0-1

[Event "World Cup U12 Prel"]
[Site "Tornelo INT"]
[Date "2021.08.06"]
[Round "4"]
[White "Mungal, Ethan"]
[Black "Jacobs, Calvin Nicholas"]
[Result "0-1"]
[ECO "D34"]
[BlackElo "1320"]
[PlyCount "92"]
[EventDate "2021.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "NET"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. 0-0 Be7 8. Nc3 0-0 9. Bg5 h6 10. Bf4 Bf5 11. Rc1 c4 12. Qd2 Ne4 13. Nxe4 Bxe4 14. a3 Qb6 15. Be3 Na5 16. Ne5 Nb3 17. Qc3 Nxc1 18. Nd7 Nxe2+ 19. Kh1 Bxg2+ 20. Kxg2 Nxc3 21. Nxb6 axb6 22. bxc3 Rxa3 23. Bd2 Rfa8 24. Rb1 Rb3 25. Re1 Kf8 26. Re5 Ra5 27. Kf1 Ra1+ 28. Kg2 Rd1 29. Be1 Rbb1 30. Kf1 b5 31. f4 b4 32. Kf2 Rxe1 33. Rxe1 Rxe1 34. Kxe1 bxc3 35. Kd1 b5 36. Kc2 b4 37. g4 Bf6 38. h3 Bxd4 39. g5 b3+ 40. Kc1 Be3+ 41. Kd1 c2+ 42. Ke2 c1Q 43. gxh6 Qd2+ 44. Kf3 Qf2+ 45. Kg4 Qxf4+ 46. Kh5 Qg5# 0-1

[Event "World Cup U12 Prel"]
[Site "Tornelo INT"]
[Date "2021.08.06"]
[Round "5"]
[White "Nurgaliyev, Sauat"]
[Black "Jacobs, Calvin Nicholas"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1803"]
[BlackElo "1320"]
[PlyCount "59"]
[EventDate "2021.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "NET"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 Be7 8. Qd2 b5 9. 0-0-0 Bb7 10. g4 Nbd7 11. g5 Ng8 12. Bh3 b4 13. Nce2 Nc5 14. Kb1 a5 15. Nb5 Ba6 16. Nbd4 Qc7 17. Nf4 h6 18. g6 Nf6 19. gxf7+ Kxf7 20. Nfxe6 Nxe6 21. Nxe6 Qc6 22. Nf4 Bc8 23. Bxc8 Rhxc8 24. Nd5 Rab8 25. Rhg1 a4 26. Nxe7 Kxe7 27. Rxg7+ Ke6 28. Bf4 b3 29. Qxd6+ Qxd6 30. Rxd6# 1-0

[Event "World Cup U12 Prel"]
[Site "Tornelo INT"]
[Date "2021.08.06"]
[Round "9"]
[White "Ostrovsky Berman, Noam"]
[Black "Jacobs, Calvin Nicholas"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "1673"]
[BlackElo "1320"]
[PlyCount "68"]
[EventDate "2021.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "NET"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. g4 Be7 8. g5 Nfd7 9. h4 Qc7 10. Be3 b5 11. a3 Bb7 12. Qd2 Nc5 13. f3 Nbd7 14. 0-0-0 Qa5 15. Kb1 Na4 16. Nxa4 Qxa4 17. Qe1 d5 18. Nb3 dxe4 19. Qd2 Rd8 20. f4 Bd5 21. Nd4 b4 22. b3 Qxa3 23. f5 e5 24. Nb5 axb5 25. Qxd5 0-0 26. Bxb5 Ra8 27. Ba4 Rxa4 28. bxa4 Rd8 29. Bb6 b3 30. cxb3 Rb8 31. a5 Nxb6 32. axb6 Ra8 33. Qxe5 Qa2+ 34. Kc1 Ba3+ 0-1

[Event "World Cup U12 Prel"]
[Site "Tornelo INT"]
[Date "2021.08.06"]
[Round "1"]
[White "Tabuenca Mendataurigoitia, Daniel"]
[Black "Jacobs, Calvin Nicholas"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1893"]
[BlackElo "1320"]
[PlyCount "83"]
[EventDate "2021.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "NET"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Bd7 5. b3 Nc6 6. Qd2 Nf6 7. Bb2 e6 8. 0-0-0 Be7 9. f4 a6 10. Nf3 b5 11. e5 dxe5 12. fxe5 Ng4 13. Ne4 Rc8 14. h3 Nh6 15. Kb1 Qc7 16. Nd6+ Bxd6 17. exd6 Qb6 18. Bxg7 Rg8 19. Bxh6 a5 20. Be3 Qb7 21. Nd4 a4 22. Nxb5 axb3 23. axb3 Ne5 24. Nc7+ Rxc7 25. dxc7 Qxc7 26. Bf4 f6 27. Bxe5 fxe5 28. Bd3 Ke7 29. Qb4+ Ke8 30. Rhf1 Bc6 31. Bb5 Bxb5 32. Qxb5+ Ke7 33. Rd7+ Qxd7 34. Rf7+ Kxf7 35. Qxd7+ Kf6 36. g4 Rg7 37. Qd3 h5 38. gxh5 Kg5 39. Qg3+ Kh6 40. Qxe5 Rg5 41. Qxe6+ Kxh5 42. b4 1-0

[Event "Wch FIDE Online U12 Africa qual"]
[Site "Tornelo INT"]
[Date "2020.11.30"]
[Round "7"]
[White "Jacobs, Calvin Nicholas"]
[Black "Najimi, Mohamed Khalil"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1333"]
[BlackElo "1476"]
[PlyCount "114"]
[EventDate "2020.11.28"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "ISS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 g6 5. Bc4 Bg7 6. Nf3 Nc6 7. Bf4 d6 8. 0-0 Nf6 9. e5 Nh5 10. Bg3 Nxg3 11. fxg3 0-0 12. exd6 exd6 13. Nbd2 Bg4 14. Qc2 Ne5 15. Nxe5 dxe5 16. Ne4 Bf5 17. Rad1 Qa5 18. Bd3 Bg4 19. Rd2 Bh6 20. Nf6+ Kg7 21. Nxg4 Bxd2 22. Qxd2 f5 23. Bxf5 Qb6+ 24. Qe3 Qxe3+ 25. Nxe3 gxf5 26. Nxf5+ Kf6 27. Nd6+ Ke6 28. Nxb7 Rxf1+ 29. Kxf1 Kd5 30. Na5 Rb8 31. Nb3 Kc4 32. Ke2 Rd8 33. Nd2+ Kd5 34. Ke3 Rb8 35. b3 a5 36. g4 a4 37. b4 Rc8 38. Kd3 Re8 39. c4+ Kd6 40. Ne4+ Kc6 41. b5+ Kb6 42. c5+ Kc7 43. Kc4 Rd8 44. Nd6 Rf8 45. Kd5 Rf2 46. b6+ Kd8 47. c6 Rd2+ 48. Kxe5 Re2+ 49. Ne4 Rxa2 50. c7+ Kd7 51. Nf6+ Kc8 52. Kd6 Rd2+ 53. Kc6 Rc2+ 54. Kb5 a3 55. Nd5 a2 56. Ne7+ Kd7 57. b7 Kxc7 0-1

[Event "Wch FIDE Online U12 Africa qual"]
[Site "Tornelo INT"]
[Date "2020.11.30"]
[Round "6"]
[White "Muriungi, Austine Mwiti"]
[Black "Jacobs, Calvin Nicholas"]
[Result "0-1"]
[ECO "B42"]
[BlackElo "1333"]
[PlyCount "112"]
[EventDate "2020.11.28"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "ISS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e6 7. 0-0 Be7 8. Be3 b5 9. a3 Bb7 10. f3 Nbd7 11. Qd2 Qc7 12. Nce2 0-0 13. Ng3 Ne5 14. Rac1 Rac8 15. f4 Nc4 16. Bxc4 Qxc4 17. Qd3 Qxd3 18. cxd3 d5 19. Rxc8 Rxc8 20. e5 Nd7 21. Rc1 Nc5 22. Nde2 Nxd3 23. Rxc8+ Bxc8 24. b4 a5 25. bxa5 Bxa3 26. Nd4 Bc5 27. Nc2 Bxe3+ 28. Nxe3 b4 29. Nc2 b3 30. Na3 Nb2 31. Nf1 Nc4 32. Nxc4 dxc4 33. Nd2 b2 34. Nb1 Bb7 35. Kf2 Be4 36. Nc3 f5 37. g3 b1Q 38. Nxb1 Bxb1 39. Ke3 Be4 40. Kd2 Kf7 41. Kc3 Kg6 42. Kxc4 Kh5 43. Kc5 Kg4 44. Kd6 Bd5 45. a6 Kh3 46. a7 Kxh2 47. a8Q Bxa8 48. Kxe6 Kxg3 49. Kxf5 Bb7 50. e6 Bc8 51. Ke5 Bxe6 52. Kxe6 Kxf4 53. Kf7 g5 54. Kg7 g4 55. Kxh7 g3 56. Kg6 g2 0-1

[Event "Wch FIDE Online U12 Africa qual"]
[Site "Tornelo INT"]
[Date "2020.11.29"]
[Round "4"]
[White "George Micheal, Kevin"]
[Black "Jacobs, Calvin Nicholas"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1411"]
[BlackElo "1333"]
[PlyCount "87"]
[EventDate "2020.11.28"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "ISS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 Bf5 7. Bxf6 Bxf6 8. Qb3 0-0 9. Nxd5 Be4 10. Nxf6+ Qxf6 11. Ne2 Nc6 12. Ng3 Qe7 13. Nxe4 Qxe4 14. Qd3 Qxd3 15. Bxd3 Nb4 16. Bb1 Rfe8 17. 0-0 Re6 18. a3 Na6 19. b4 c6 20. Ba2 Rg6 21. d5 Rd8 22. dxc6 bxc6 23. Rac1 h6 24. Bb3 Rf6 25. Ba4 Rdd6 26. g3 Nb8 27. b5 Kh7 28. bxc6 Nxc6 29. Rc5 Rfe6 30. Kg2 Ne7 31. Bb3 Rf6 32. Rd1 Rxd1 33. Bxd1 a6 34. Rc7 Nd5 35. Rd7 Nb6 36. Rd4 Rf5 37. Bc2 g6 38. Bxf5 gxf5 39. Rd6 Nc4 40. Rxa6 Kg7 41. Kf3 f6 42. Kf4 Kg6 43. h4 Nd6 44. Rxd6 1-0

[Event "Wch FIDE Online U12 Africa qual"]
[Site "Tornelo INT"]
[Date "2020.11.29"]
[Round "5"]
[White "Jacobs, Calvin Nicholas"]
[Black "Mpene, Thuto"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1333"]
[BlackElo "1508"]
[PlyCount "104"]
[EventDate "2020.11.28"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "ISS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nc6 5. Nc3 Nf6 6. Nf3 Bg4 7. c5 Bxf3 8. Qxf3 Nxd4 9. Qd3 Nc6 10. Bf4 e5 11. Bg3 Bxc5 12. Be2 0-0 13. 0-0 a6 14. Bh4 Be7 15. Bxf6 Bxf6 16. Nxd5 Nd4 17. Bf3 Nxf3+ 18. Qxf3 b5 19. Rfd1 Re8 20. Nxf6+ Qxf6 21. Qxf6 gxf6 22. Rac1 Red8 23. f3 Kg7 24. Kf2 Rac8 25. Rxd8 Rxc1 26. Rd2 Kg6 27. Ke2 Kf5 28. h4 h5 29. Kd3 Kf4 30. b3 Kg3 31. Ke4 Rg1 32. Kf5 Rxg2 33. Rd6 Kxh4 34. Rxf6 Rxa2 35. Kxe5 Kh3 36. Rxf7 h4 37. Rg7 Ra3 38. b4 Rxf3 39. Ke4 Ra3 40. Kf5 Kh2 41. Rg4 h3 42. Kf4 Kh1 43. Ke4 h2 44. Kf4 Ra4 45. Kf3 Ra3+ 46. Kf4 Ra1 47. Kf3 Rg1 48. Rh4 Rg8 49. Kf2 Rf8+ 50. Ke2 Kg2 51. Rg4+ Kh3 52. Rg7 Rh8 0-1

[Event "Wch FIDE Online U12 Africa qual"]
[Site "Tornelo INT"]
[Date "2020.11.28"]
[Round "2"]
[White "Jacobs, Calvin Nicholas"]
[Black "Hasinjaranirina, Jao"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1333"]
[PlyCount "83"]
[EventDate "2020.11.28"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "ISS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Be2 Bxe2 5. Nxe2 c6 6. dxc6 Nxc6 7. Nbc3 e6 8. Bf4 Bb4 9. 0-0 Bxc3 10. Nxc3 Nxd4 11. Be5 Nc6 12. Qxd8+ Rxd8 13. Bxf6 gxf6 14. Rad1 0-0 15. Ne4 Kg7 16. c3 Ne5 17. h3 Nc4 18. b3 Nb2 19. Rb1 Nd3 20. c4 b6 21. Rfd1 Nf4 22. Kf1 Rd3 23. Rxd3 Nxd3 24. Ke2 Nb4 25. a3 Nc2 26. a4 Nd4+ 27. Ke1 Rd8 28. b4 Kg6 29. c5 bxc5 30. Nxc5 Rb8 31. b5 Rc8 32. Rc1 Kf5 33. g4+ Kg5 34. Nxe6+ Nxe6 35. Rxc8 Nf4 36. Rg8+ Kh4 37. Rg7 Kxh3 38. Rxh7+ Kxg4 39. Rxf7 Kf5 40. Rxa7 Nd3+ 41. Kf1 Nc5 42. b6 1-0

[Event "Wch FIDE Online U12 Africa qual"]
[Site "Tornelo INT"]
[Date "2020.11.28"]
[Round "1"]
[White "Kandil, Ahmed"]
[Black "Jacobs, Calvin Nicholas"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "1566"]
[BlackElo "1333"]
[PlyCount "87"]
[EventDate "2020.11.28"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "ISS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 b5 7. a3 Bb7 8. Bf3 Qc7 9. Be3 e6 10. 0-0 Be7 11. Nb3 0-0 12. g3 Nbd7 13. Bg2 Nc5 14. e5 Nfe4 15. Nxe4 Nxe4 16. Qg4 Nc5 17. exd6 Bxd6 18. Bxc5 Bxg2 19. Bxd6 Qxd6 20. Kxg2 Rac8 21. Rad1 Qc6+ 22. Qf3 Qxc2 23. Rd2 Qc4 24. Rfd1 h6 25. Rd7 e5 26. Qd3 Qg4 27. Re1 f6 28. Qd5+ Kh8 29. Rd1 e4 30. Nc5 Qf3+ 31. Kg1 f5 32. Qd4 Qg4 33. Ne6 Rg8 34. Nf4 Qg5 35. Rd6 Kh7 36. Rg6 Qe7 37. Re6 Qf7 38. Qd5 Rgf8 39. Qe5 Rce8 40. Rdd6 Rxe6 41. Rxe6 Kg8 42. Ng6 Rd8 43. Ne7+ Kh8 44. Rxh6# 1-0

