[Event "Wch U16"]
[White "Mathenge, Gichuga"]
[Black "De Souza, Arthur Neres"]
[Site "Florianopolis"]
[Round "9"]
[Result "0-1"]
[Date "2024.11.07"]
[ECO "B22"]
[WhiteElo "1606"]
[BlackElo "1724"]
[PlyCount "50"]
[EventDate "2024.10.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 Nc6 5. Be2 e5 6. d3 Nf6 7. Nbd2 Bf5 8. Qb3 Qxb3 9. Nxb3 Rd8 10. Be3 b6 11. d4 cxd4 12. cxd4 Bb4+ 13. Kf1 e4 14. Bb5 Bd7 15. Nfd2 Bxd2 16. Bxc6 Bxe3 17. Bxd7+ Kxd7 18. fxe3 Rc8 19. Rb1 Rc2 20. h3 Nd5 21. g4 Nxe3+ 22. Ke1 Ng2+ 23. Kd1 Rhc8 24. Rc1 Ne3+ 25. Ke1 Rxb2 0-1

[Event "Wch U16"]
[White "Huang, Chun Yang"]
[Black "Mathenge, Gichuga"]
[Site "Florianopolis"]
[Round "8"]
[Result "1/2-1/2"]
[Date "2024.11.06"]
[ECO "D37"]
[BlackElo "1606"]
[PlyCount "100"]
[EventDate "2024.10.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 g6 5. cxd5 Nxd5 6. Qb3 Bg7 7. e4 Nb6 8. Be3 0-0 9. Be2 Nc6 10. Rd1 Ne7 11. 0-0 c6 12. Qc2 Bd7 13. Qc1 Qc8 14. Bh6 Rd8 15. Bxg7 Kxg7 16. e5 Nbd5 17. Bc4 Nxc3 18. bxc3 c5 19. Qg5 Nd5 20. Bxd5 exd5 21. Qf6+ Kg8 22. dxc5 Qc6 23. Rd4 Qxf6 24. exf6 Be6 25. Nd2 Kf8 26. Nb3 b6 27. cxb6 axb6 28. Rc1 Rd7 29. Rb4 Rd6 30. h3 Bd7 31. Rd4 Ra4 32. Rcd1 Rxd4 33. Rxd4 Rxf6 34. Rxd5 Bc6 35. Rd8+ Kg7 36. Nd4 Ba4 37. Ra8 Bc6 38. Nxc6 Rxc6 39. Ra6 Rxc3 40. Rxb6 Rc1+ 41. Kh2 Rc2 42. a4 Rxf2 43. a5 Ra2 44. Ra6 Ra3 45. Ra8 h5 46. h4 Kf6 47. a6 Kg7 48. a7 Kf6 49. Kg1 Ke7 50. Kf2 Kf6 1/2-1/2

[Event "Wch U16"]
[White "Mathenge, Gichuga"]
[Black "Navarro, Gustavo Kazuo Yura"]
[Site "Florianopolis"]
[Round "7"]
[Result "1/2-1/2"]
[Date "2024.11.05"]
[ECO "B18"]
[WhiteElo "1606"]
[BlackElo "1692"]
[PlyCount "66"]
[EventDate "2024.10.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Nc5 Qc7 6. c3 e6 7. Nb3 Nf6 8. Bd3 Bxd3 9. Qxd3 Nbd7 10. Ne2 Bd6 11. Be3 h6 12. h3 g5 13. Nd2 Nd5 14. Ne4 Bf4 15. 0-0-0 0-0-0 16. Bxf4 Nxf4 17. Nxf4 Qxf4+ 18. Qe3 Qxe3+ 19. fxe3 Nb6 20. Rhf1 f5 21. Nc5 Rde8 22. b3 Nd7 23. Nxd7 Kxd7 24. Rd2 Rhf8 25. Rdf2 Ke7 26. Kd2 h5 27. g3 Rf7 28. e4 Ref8 29. Ke3 b5 30. a3 a5 31. b4 a4 32. e5 Kd7 33. Kd3 Rh8 1/2-1/2

[Event "Wch U16"]
[White "Kan, Audric"]
[Black "Mathenge, Gichuga"]
[Site "Florianopolis"]
[Round "6"]
[Result "1/2-1/2"]
[Date "2024.11.03"]
[ECO "B15"]
[WhiteElo "1615"]
[BlackElo "1606"]
[PlyCount "77"]
[EventDate "2024.10.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 e6 3. e4 c6 4. Nf3 Nf6 5. Bd3 Be7 6. h3 dxe4 7. Nxe4 Nbd7 8. c3 Qc7 9. 0-0 Nxe4 10. Bxe4 0-0 11. Re1 Nf6 12. Bc2 c5 13. Be3 b6 14. Ne5 Bb7 15. Bg5 Rfd8 16. Ng4 Qc6 17. Nxf6+ gxf6 18. Be4 Qc7 19. Bxb7 Qxb7 20. Bh6 Kh8 21. Re3 Rg8 22. Qf3 Qxf3 23. Rxf3 Rg6 24. Bf4 Rag8 25. Rg3 R6g7 26. Rd1 Rd8 27. Rgd3 c4 28. R3d2 Rd5 29. Kf1 Rf5 30. Bh2 Ra5 31. a3 Rgg5 32. Re1 Rgd5 33. Re3 Rf5 34. Re4 Kg8 35. Rh4 Rh5 36. Rg4+ Rhg5 37. Rh4 Rh5 38. Rg4+ Rhg5 39. Rh4 1/2-1/2

[Event "Wch U16"]
[White "Dos Santos, Felipe Gabriel"]
[Black "Mathenge, Gichuga"]
[Site "Florianopolis"]
[Round "5"]
[Result "1-0"]
[Date "2024.11.02"]
[ECO "B01"]
[WhiteElo "1503"]
[BlackElo "1606"]
[PlyCount "137"]
[EventDate "2024.10.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. d3 Bf5 6. Bd2 c6 7. Qe2 Qc7 8. Nf3 Nbd7 9. Nd4 Bg6 10. 0-0-0 0-0-0 11. h4 h5 12. f4 e6 13. Rhe1 Nb6 14. Bxe6+ fxe6 15. Nxe6 Qe7 16. Nxd8 Qxe2 17. Rxe2 Kxd8 18. Ne4 Be7 19. Ng5 Rg8 20. Rde1 Bd6 21. Kb1 Nbd5 22. g3 Kd7 23. Nf3 Bf5 24. Ne5+ Kc7 25. Ba5+ b6 26. Bc3 Nxc3+ 27. bxc3 Ba3 28. Nc4 Bc5 29. d4 Bd6 30. Nxd6 Kxd6 31. Re7 Nd7 32. Kb2 a6 33. c4 c5 34. c3 g6 35. R7e3 Rb8 36. Rd1 Nf6 37. Re5 Ne4 38. Ka3 Kc6 39. d5+ Kd6 40. Re1 Nxc3 41. Kb3 Nxd5 42. Rxd5+ Kc6 43. Ree5 Bg4 44. a4 Bh3 45. Rg5 Re8 46. Rxg6+ Kc7 47. Re5 Rd8 48. Kc3 Bf1 49. Re7+ Kc8 50. Rc6+ Kb8 51. Rxb6+ Kc8 52. Rxa6 Rd3+ 53. Kc2 Kb8 54. Rh6 Rd8 55. Rxh5 Bxc4 56. Rxc5 Bd3+ 57. Kc3 Ba6 58. Re3 Rg8 59. f5 Rg4 60. f6 Rxa4 61. f7 Ra3+ 62. Kd4 Ra4+ 63. Ke5 Kb7 64. Rb3+ Ka7 65. Rc7+ Bb7 66. Rbxb7+ Ka6 67. Ra7+ Kb6 68. Rcb7+ Kc6 69. Rxa4 1-0

[Event "Wch U16"]
[White "Mathenge, Gichuga"]
[Black "Atiencia Penaloza, Cristian Damian"]
[Site "Florianopolis"]
[Round "4"]
[Result "0-1"]
[Date "2024.11.01"]
[ECO "B06"]
[WhiteElo "1606"]
[BlackElo "1680"]
[PlyCount "164"]
[EventDate "2024.10.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 g6 6. Nc3 Qd8 7. Nf3 Bg7 8. Be3 Nf6 9. Be2 0-0 10. 0-0 Nc6 11. Qb3 b6 12. Rfd1 Bb7 13. Rac1 Rc8 14. a4 h6 15. Ne5 e6 16. Nc4 Ne7 17. Nb5 Ra8 18. Bf4 Nfd5 19. Bd6 a6 20. Bxe7 Qxe7 21. Nbd6 Rfd8 22. Nxb7 Qxb7 23. Bf3 Rab8 24. Ne5 Rbc8 25. h3 b5 26. axb5 axb5 27. Bxd5 Rxd5 28. Rxc8+ Qxc8 29. Nf3 Qd7 30. Qb4 e5 31. Re1 exd4 32. Re7 Qd8 33. Rb7 d3 34. Nd2 Qe8 35. Re7 Qc6 36. Qf4 Qf6 37. Re8+ Kh7 38. Qe4 Qd4 39. Qf3 Rf5 40. Qe3 Qxe3 41. fxe3 Rd5 42. e4 Rd7 43. Rb8 Bxb2 44. Rxb5 Bc3 45. Nb1 Be1 46. Kf1 d2 47. Nc3 d1Q 48. Nxd1 Rxd1 49. Ke2 Ra1 50. Rb7 Kg8 51. Rd7 Bh4 52. Kf3 Bf6 53. Rd3 Be5 54. Rd8+ Kg7 55. Rd3 Rc1 56. Kg4 Rc3 57. Rf3 Rxf3 58. gxf3 h5+ 59. Kg5 Bg3 60. e5 Bxe5 61. Kh4 Kh6 62. f4 Bc3 63. Kg3 Be1+ 64. Kf3 Kg7 65. Ke2 Bh4 66. Kf3 Kf6 67. Ke2 Kf5 68. Kf3 f6 69. Ke3 Bg3 70. Kf3 Bxf4 71. h4 Bc1 72. Kg3 g5 73. hxg5 fxg5 74. Kf3 g4+ 75. Kg2 Kf4 76. Kf2 g3+ 77. Kg2 Bb2 78. Kh1 Kf3 79. Kg1 Bd4+ 80. Kh1 g2+ 81. Kh2 g1Q+ 82. Kh3 Qh1# 0-1

[Event "Wch U16"]
[White "Angeles Vera, Mario Alberto"]
[Black "Mathenge, Gichuga"]
[Site "Florianopolis"]
[Round "3"]
[Result "1-0"]
[Date "2024.10.31"]
[ECO "A22"]
[WhiteElo "1785"]
[BlackElo "1606"]
[PlyCount "92"]
[EventDate "2024.10.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. g3 b6 5. Bg2 Bb7 6. d3 Nbd7 7. e4 Be7 8. h3 c6 9. Nh4 Nc5 10. Nf5 Ne6 11. a4 a5 12. Be3 0-0 13. Qb3 Nc5 14. Bxc5 dxc5 15. Nxe7+ Qxe7 16. Qxb6 Rfd8 17. Rd1 Ra6 18. Qb3 Rb8 19. 0-0 Nd7 20. Rd2 Qg5 21. Qd1 Rb6 22. h4 Qg6 23. Qe2 Bc8 24. Rb1 Rb3 25. Rc2 Nf8 26. Qe3 Qd6 27. Bf1 Ne6 28. Nd1 R3b4 29. Rc3 Rxa4 30. Bh3 Nd4 31. Bxc8 Rxc8 32. Kg2 Rb8 33. f3 Rab4 34. Qf2 a4 35. Ne3 g6 36. f4 exf4 37. gxf4 Rb3 38. Rxb3 Rxb3 39. Ra1 Qb8 40. Ra2 Rb4 41. Ng4 Nb3 42. f5 Nc1 43. Nh6+ Kf8 44. fxg6 Rb7 45. Qxc5+ Kg7 46. Nf5+ Kxg6 1-0

[Event "Wch U16"]
[White "Mathenge, Gichuga"]
[Black "Beitner, Yehonatan"]
[Site "Florianopolis"]
[Round "2"]
[Result "0-1"]
[Date "2024.10.30"]
[ECO "A17"]
[WhiteElo "1606"]
[BlackElo "1903"]
[PlyCount "60"]
[EventDate "2024.10.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. e3 Nf6 4. Nf3 a6 5. a3 dxc4 6. Bxc4 b5 7. Bb3 Bb7 8. d4 Nbd7 9. 0-0 c5 10. Re1 Be7 11. Bc2 0-0 12. b3 Qb6 13. Bb2 Rfd8 14. Qe2 Rac8 15. Rad1 cxd4 16. Nxd4 Bxa3 17. Na2 Bxb2 18. Bxh7+ Kxh7 19. Qxb2 b4 20. f3 Rc7 21. Nc1 Nd5 22. Nd3 Rc3 23. Qf2 Kg8 24. h4 Nc5 25. Ne5 Nxb3 26. g4 Nxd4 27. exd4 Nf4 28. Kh2 f6 29. h5 fxe5 30. Qh4 Rc2+ 0-1

[Event "Wch U16"]
[White "Brezis, Ari"]
[Black "Mathenge, Gichuga"]
[Site "Florianopolis"]
[Round "1"]
[Result "1-0"]
[Date "2024.10.29"]
[ECO "D35"]
[WhiteElo "2102"]
[BlackElo "1606"]
[PlyCount "159"]
[EventDate "2024.10.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Bb4 6. e3 c6 7. Bd3 h6 8. Bh4 Be6 9. Nge2 Nbd7 10. 0-0 0-0 11. Nf4 Re8 12. Qb3 Bxc3 13. Qxc3 Ne4 14. Bxd8 Nxc3 15. Bh4 Ne4 16. f3 Nd6 17. Nxe6 Rxe6 18. e4 dxe4 19. fxe4 Nb6 20. Rac1 a6 21. Bf2 Nbc4 22. Rc2 b5 23. b3 Na5 24. e5 Nc8 25. Rcc1 Nb6 26. Bf5 Re7 27. Be1 Nb7 28. Bb4 Ree8 29. Rxc6 Nd5 30. Be1 Ne7 31. Bd7 Nxc6 32. Bxc6 Re7 33. d5 Rd8 34. Bb4 Rc7 35. Rf2 a5 36. Be1 Rdc8 37. a3 Re7 38. Re2 Nc5 39. Re3 Nd7 40. Bg3 Nb8 41. Bxb5 Rc5 42. Bc4 a4 43. e6 axb3 44. Rxb3 Rxc4 45. Rxb8+ Kh7 46. Bd6 fxe6 47. Bxe7 exd5 48. Rb6 d4 49. Bb4 Rc1+ 50. Kf2 Rc2+ 51. Kf3 Rb2 52. Rd6 Rb3+ 53. Ke4 Rb2 54. Rxd4 Rxg2 55. Rd2 Rg4+ 56. Kf3 Rc4 57. Rb2 g5 58. a4 g4+ 59. Kg2 h5 60. a5 h4 61. a6 Kg6 62. a7 Rc8 63. Ra2 Ra8 64. Bd6 Kf5 65. Bb8 Ke4 66. Ra4+ Kf5 67. h3 gxh3+ 68. Kxh3 Ke6 69. Rd4 Ke7 70. Kxh4 Ke6 71. Kg4 Ke7 72. Kf5 Kf7 73. Rd7+ Kg8 74. Ke6 Kf8 75. Rc7 Kg8 76. Kf6 Rxa7 77. Bxa7 Kh8 78. Kg6 Kg8 79. Rf7 Kh8 80. Rf8# 1-0

[Event "World Cup U12 Prel"]
[White "Aponte Torres, Diego J"]
[Black "Mathenge, Gichuga"]
[Site "Tornelo INT"]
[Round "8"]
[Result "1-0"]
[Date "2021.08.06"]
[ECO "D02"]
[PlyCount "99"]
[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. Bf4 Nf6 3. Nf3 Bf5 4. e3 e6 5. Nh4 Be7 6. Nxf5 exf5 7. Bd3 Qd7 8. Qe2 0-0 9. 0-0 a6 10. Nd2 Nc6 11. c3 Nh5 12. Qxh5 g6 13. Qe2 Na7 14. Nf3 f6 15. h3 Kh8 16. Nd2 c6 17. b4 b5 18. a4 g5 19. Bh2 Rg8 20. axb5 cxb5 21. Rxa6 Rac8 22. Rc1 Rgf8 23. Nb3 Bxb4 24. Qa2 Be7 25. Rxa7 Qe8 26. Rb7 Ra8 27. Qb2 Qf7 28. Ra1 Rac8 29. Bxb5 Qg7 30. Raa7 Rf7 31. Bd7 Rg8 32. Qa2 g4 33. Ra8 Rff8 34. Rxf8 Bxf8 35. h4 Be7 36. g3 f4 37. exf4 Qg6 38. Qa1 Qe4 39. Nd2 Qd3 40. Qc1 Qf3 41. Nxf3 gxf3 42. Bf5 Rg7 43. Qa1 h6 44. Qa7 Bf8 45. Rxg7 Bxg7 46. Qb8+ Bf8 47. Qc7 Bg7 48. c4 dxc4 49. Qc8+ Bf8 50. Qxf8# 1-0

[Event "World Cup U12 Prel"]
[White "Dhruva, Thota"]
[Black "Mathenge, Gichuga"]
[Site "Tornelo INT"]
[Round "3"]
[Result "1-0"]
[Date "2021.08.06"]
[ECO "C44"]
[WhiteElo "1403"]
[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 Bc5 5. c3 dxc3 6. Bxf7+ Kxf7 7. Qd5+ Ke8 8. Qxc5 b6 9. Qxc3 Qe7 10. 0-0 Bb7 11. Bg5 Qf7 12. Nbd2 d6 13. Rfe1 h6 14. Bh4 g5 15. Qxh8 Nb4 16. Qc3 c5 17. Bg3 Qe6 18. a3 Nc6 19. Nc4 Kd8 20. Rad1 Kc8 21. Nxd6+ Kc7 22. Nb5+ Kc8 23. Qg7 Nge7 24. Qf8+ Nd8 25. Rxd8# 1-0

[Event "World Cup U12 Prel"]
[White "Gordon, Frederick"]
[Black "Mathenge, Gichuga"]
[Site "Tornelo INT"]
[Round "1"]
[Result "1-0"]
[Date "2021.08.06"]
[ECO "C50"]
[WhiteElo "1456"]
[PlyCount "19"]
[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. Bc4 h6 4. 0-0 Nf6 5. d4 Nxe4 6. dxe5 Be7 7. Qd5 Ng5 8. Nxg5 d6 9. Qxf7+ Kd7 10. e6# 1-0

[Event "World Cup U12 Prel"]
[White "Kyriakides, Andreas"]
[Black "Mathenge, Gichuga"]
[Site "Tornelo INT"]
[Round "10"]
[Result "1-0"]
[Date "2021.08.06"]
[ECO "C54"]
[WhiteElo "1158"]
[PlyCount "89"]
[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 Bc5 5. c3 Nf6 6. cxd4 Bb4+ 7. Nbd2 d6 8. 0-0 0-0 9. h3 Re8 10. Re1 d5 11. exd5 Rxe1+ 12. Qxe1 Nxd5 13. Bxd5 Qxd5 14. a3 Bf8 15. Nf1 Be6 16. Bf4 Rc8 17. Rd1 Bxh3 18. Ne3 Qh5 19. gxh3 Qxf3 20. Bg3 f5 21. Ng2 g5 22. Qe6+ Kg7 23. Re1 Rd8 24. Bxc7 Rxd4 25. Be5+ Nxe5 26. Qxe5+ Kg8 27. Qxd4 Qh5 28. Qd5+ Kh8 29. Qxf5 Qh6 30. Re8 Kg8 31. Qe6+ Kg7 32. Qxh6+ Kxh6 33. Rxf8 Kh5 34. Rf7 h6 35. Rxb7 a5 36. b4 axb4 37. axb4 g4 38. hxg4+ Kxg4 39. b5 h5 40. b6 h4 41. Rg7+ Kh3 42. Rh7 Kg4 43. Rxh4+ Kf3 44. b7 Ke2 45. b8Q 1-0

[Event "World Cup U12 Prel"]
[White "Mathenge, Gichuga"]
[Black "Lwenyeka, Bupe"]
[Site "Tornelo INT"]
[Round "7"]
[Result "0-1"]
[Date "2021.08.06"]
[ECO "B10"]
[BlackElo "1263"]
[PlyCount "104"]
[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 c6 2. Nf3 d5 3. d3 dxe4 4. dxe4 Qxd1+ 5. Kxd1 Nf6 6. Nc3 Bg4 7. Be2 Nbd7 8. Bd2 e5 9. h3 Bh5 10. Kc1 Be7 11. Kb1 0-0 12. a3 Bg6 13. Bd3 Rfe8 14. Ka2 Bd6 15. Rae1 Bc7 16. Kb1 Nc5 17. Bc4 Ncxe4 18. Nxe4 Nxe4 19. Be3 Rad8 20. Bxa7 b6 21. h4 Ra8 22. h5 Bf5 23. Be2 h6 24. Nh4 Bh7 25. f3 Ng3 26. Rh3 Nxe2 27. Rxe2 Rxa7 28. f4 Raa8 29. g3 exf4 30. Rxe8+ Rxe8 31. gxf4 Bxf4 32. Rc3 c5 33. Rb3 Bc7 34. Rb5 Re1+ 35. Ka2 Bxc2 36. Nf3 Re3 37. Nd2 Ba4 38. Rb3 Bxb3+ 39. Nxb3 Rxb3 40. Kxb3 f5 41. Kc3 Kf7 42. Kd3 g5 43. hxg6+ Kxg6 44. Ke3 h5 45. Kf3 h4 46. Kg2 f4 47. Kf3 h3 48. Ke4 h2 49. Kd5 h1Q+ 50. Ke6 Qc6+ 51. Ke7 Qd6+ 52. Ke8 Qd8# 0-1

[Event "World Cup U12 Prel"]
[White "Mathenge, Gichuga"]
[Black "Murray, Zachary"]
[Site "Tornelo INT"]
[Round "4"]
[Result "0-1"]
[Date "2021.08.06"]
[ECO "C55"]
[BlackElo "1323"]
[PlyCount "104"]
[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. Nc3 Nf6 4. Bc4 Nxe4 5. Nxe4 d5 6. Bb5 dxe4 7. Bxc6+ bxc6 8. Ng5 Qxg5 9. Rg1 Bg4 10. d3 Bxd1 11. Bxg5 Bxc2 12. dxe4 Bxe4 13. f3 Bd5 14. Kf2 Bc5+ 15. Be3 Bxe3+ 16. Kxe3 Rb8 17. b3 f5 18. Rge1 Kf7 19. Kf2 Rhe8 20. f4 exf4 21. Rxe8 Rxe8 22. g3 fxg3+ 23. Kxg3 Re2 24. Rf1 g6 25. Ra1 Rg2+ 26. Kh3 Kg7 27. Re1 Rxa2 28. Re7+ Kh6 29. Rxc7 Bxb3 30. Rxc6 Rc2 31. Rd6 Rc3+ 32. Kg2 a5 33. Rd4 a4 34. Rh4+ Kg5 35. Rd4 a3 36. h4+ Kh5 37. Rf4 a2 38. Rf1 Bd5+ 39. Kh2 Ra3 40. Rd1 a1Q 41. Rxa1 Rxa1 42. Kg3 Be6 43. Kh3 f4+ 44. Kg2 Bd5+ 45. Kf2 f3 46. Kg3 Ra2 47. Kf4 f2 48. Ke5 f1Q 49. Kxd5 Re2 50. Kd6 Qd1+ 51. Kc6 Rc2+ 52. Kb6 Qb1+ 0-1

[Event "World Cup U12 Prel"]
[White "Mathenge, Gichuga"]
[Black "Prasanna Lokesh, Chandankhede"]
[Site "Tornelo INT"]
[Round "6"]
[Result "0-1"]
[Date "2021.08.06"]
[ECO "C50"]
[BlackElo "1131"]
[PlyCount "100"]
[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. Bc4 Bc5 4. 0-0 Nf6 5. Nc3 0-0 6. d3 h6 7. a3 a5 8. a4 d6 9. Re1 Bg4 10. h3 Bh5 11. Be3 Nd4 12. Bxd4 Bxd4 13. Rb1 Qd7 14. b3 Bxc3 15. Rf1 Rfe8 16. g4 Bg6 17. Nh2 c6 18. b4 axb4 19. Bb3 d5 20. exd5 cxd5 21. Qf3 e4 22. dxe4 Bxe4 23. Qd1 Qd6 24. Rc1 Be5 25. Nf3 Bxf3 26. Qxf3 Bc3 27. Rcd1 Rad8 28. h4 Qd7 29. g5 Qg4+ 30. Qxg4 Nxg4 31. f3 Ne3 32. Rd3 Nxf1 33. Kxf1 d4 34. f4 Re1+ 35. Kg2 hxg5 36. fxg5 Re3 37. Rd1 Rde8 38. Rf1 Re2+ 39. Kh3 R8e3+ 40. Kg4 Rg2+ 41. Kh5 g6+ 42. Kh6 Re7 43. Rf6 Rh2 44. Rf4 Be1 45. Rg4 Rxh4+ 46. Rxh4 Bxh4 47. Bd5 Re2 48. Bf3 Rh2 49. Bg4 Be1+ 50. Bh5 Rxh5# 0-1

[Event "World Cup U12 Prel"]
[White "Ramos, Enzo de Almeida"]
[Black "Mathenge, Gichuga"]
[Site "Tornelo INT"]
[Round "5"]
[Result "1-0"]
[Date "2021.08.06"]
[ECO "C50"]
[WhiteElo "1272"]
[PlyCount "41"]
[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. Bc4 Bc5 4. d3 h6 5. Nc3 Nf6 6. 0-0 0-0 7. Qe2 d6 8. Nd5 Re8 9. h3 Nd4 10. Nxd4 Bxd4 11. Nxf6+ Qxf6 12. c3 Bc5 13. Be3 Bxe3 14. fxe3 Qg6 15. Bxf7+ Qxf7 16. Rxf7 Kxf7 17. Qh5+ Kf8 18. Rf1+ Kg8 19. Qxe8+ Kh7 20. Rf8 Bd7 21. Rh8# 1-0

