[Event "GBR-ch 109th"]
[Site "Leicester"]
[Date "2023.07.30"]
[Round "9"]
[White "Koiza, Peter"]
[Black "Payne, Matthew"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1963"]
[BlackElo "2104"]
[PlyCount "54"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. e3 c5 7. Nge2 Nc6 8. 0-0 a6 9. dxc5 dxc5 10. Qxd8 Nxd8 11. Na4 Nd7 12. Nf4 Rb8 13. Nd5 Nc6 14. Bd2 e6 15. Nf4 Nce5 16. Rac1 Nxc4 17. Rxc4 b5 18. Rxc5 bxa4 19. Rc2 Bxb2 20. Rb1 Be5 21. Rxb8 Nxb8 22. Bb4 Rd8 23. Nd3 Bf6 24. Ba5 Rf8 25. Bc7 Bd7 26. Nc5 Bb5 27. Bb7 Be7 1/2-1/2

[Event "GBR-ch 109th"]
[Site "Leicester"]
[Date "2023.07.29"]
[Round "8"]
[White "Dignam, Matthew"]
[Black "Koiza, Peter"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2055"]
[BlackElo "1963"]
[PlyCount "113"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Be3 Ne7 7. a4 Qc7 8. a5 a6 9. Nf3 f6 10. exf6 gxf6 11. Nh4 Bg6 12. Nxg6 hxg6 13. g3 Nf5 14. Qg4 0-0-0 15. Qxg6 Bb4+ 16. c3 Rdg8 17. Qf7 Qd6 18. Bf4 e5 19. dxe5 Nxe5 20. Bh3 Nxf7 21. Bxf5+ Kd8 22. Bxd6 Bxd6 23. 0-0-0 Ne5 24. Nd4 Rh5 25. Be6 Rgh8 26. h4 Nc4 27. Nf5 Bc7 28. b4 Nd6 29. Nxd6 Bxd6 30. Rd3 Re5 31. Bg4 Re4 32. Bf3 Rc4 33. Kb2 Kc7 34. Kb3 b6 35. axb6+ Kxb6 36. Ra1 Be5 37. Re3 Rb8 38. Be2 d4 39. Bxc4 dxe3 40. Rxa6+ Kb7 41. f4 Bc7 42. Ra2 Rd8 43. h5 Bd6 44. Re2 Rd7 45. Rxe3 Rh7 46. Be2 Kc7 47. Kc4 Rg7 48. Bd3 Re7 49. Rxe7+ Bxe7 50. h6 Bf8 51. h7 Bg7 52. Bf5 Kd6 53. Kd4 Bh8 54. c4 Bg7 55. b5 c5+ 56. Ke4 Bh8 57. Kf3 1-0

[Event "GBR-ch 109th"]
[Site "Leicester"]
[Date "2023.07.28"]
[Round "7"]
[White "Koiza, Peter"]
[Black "Beaumont, Chris"]
[Result "0-1"]
[ECO "E65"]
[WhiteElo "1963"]
[BlackElo "2262"]
[PlyCount "148"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 c5 3. g3 Bg7 4. Bg2 Nc6 5. 0-0 d6 6. Nc3 Nf6 7. d4 0-0 8. b3 Bg4 9. d5 Nxd5 10. cxd5 Bxc3 11. Bh6 Bxf3 12. exf3 Bxa1 13. Bxf8 Nd4 14. Bh6 Bc3 15. Qd3 Qa5 16. Qe4 Nf5 17. Bg5 Bf6 18. Bxf6 exf6 19. Bh3 Nd4 20. Qe7 Qd8 21. Qxb7 Rb8 22. Qd7 Qxd7 23. Bxd7 Nxf3+ 24. Kg2 Nd4 25. Re1 Kf8 26. Ba4 Nf5 27. Kf3 Ne7 28. Rd1 Rb4 29. a3 Rb6 30. Ke4 f5+ 31. Ke3 Ra6 32. f4 c4 33. Bb5 Rxa3 34. Bxc4 Nc8 35. Rd2 Nb6 36. Kd4 a5 37. Kc3 Ra1 38. Bb5 Rc1+ 39. Kd4 Rc5 40. Bc6 h5 41. Re2 Rc1 42. Kd3 Rd1+ 43. Kc2 Rd4 44. Kc3 Re4 45. Ra2 Re3+ 46. Kd4 Rxb3 47. Rxa5 Rb1 48. Rb5 Rxb5 49. Bxb5 Nc8 50. Bd7 Ne7 51. Ba4 Ng8 52. Bd1 Nf6 53. Bf3 Ke7 54. Bg2 Ng4 55. h3 Nf6 56. Bf3 Kd7 57. Be2 Kc7 58. Kc4 Kb6 59. Kd4 Ka5 60. Kc4 Ne4 61. g4 fxg4 62. hxg4 h4 63. Kd4 f5 64. Ke3 Kb4 65. Bf1 Kc5 66. gxf5 gxf5 67. Bh3 Ng3 68. Bg2 Kc4 69. Bf3 h3 70. Kf2 Ne4+ 71. Kg1 Kxd5 72. Kh2 Kd4 73. Kxh3 Ke3 74. Bxe4 Kxe4 0-1

[Event "GBR-ch 109th"]
[Site "Leicester"]
[Date "2023.07.27"]
[Round "6"]
[White "Chan, Sheng Liang Bernard"]
[Black "Koiza, Peter"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2078"]
[BlackElo "1963"]
[PlyCount "82"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 c5 5. e3 b6 6. Bd3 Bb7 7. Bxb4 cxb4 8. Nbd2 a5 9. e4 d6 10. 0-0 0-0 11. a3 Na6 12. Qe2 e5 13. c5 bxc5 14. dxe5 dxe5 15. Nxe5 Re8 16. Ndf3 Qc7 17. Rad1 Rxe5 18. Nxe5 Qxe5 19. f4 Qd4+ 20. Kh1 c4 21. Bb1 Qc5 22. e5 Re8 23. Rfe1 Nd5 24. Qe4 g6 25. f5 Nc3 26. Qxb7 Nxd1 27. Rxd1 Qxe5 28. h3 Nc5 29. Qf3 Qxb2 30. fxg6 hxg6 31. Rf1 Qg7 32. axb4 axb4 33. Qd5 Ne6 34. Qxc4 Qd4 35. Qc6 Re7 36. Ba2 Qc3 37. Qd6 Qc5 38. Qg3 Qc3 39. Qd6 Qc5 40. Qg3 Qa7 41. Bb3 Qd4 1/2-1/2

[Event "GBR-ch 109th"]
[Site "Leicester"]
[Date "2023.07.26"]
[Round "5"]
[White "Koiza, Peter"]
[Black "Kueh, Audrey"]
[Result "1-0"]
[ECO "D23"]
[WhiteElo "1963"]
[BlackElo "2096"]
[PlyCount "59"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 dxc4 5. Qxc4 Bg4 6. Nc3 Nbd7 7. e4 e5 8. Nxe5 Nxe5 9. dxe5 Be6 10. Qa4 Ng4 11. Bf4 Bc5 12. Bg3 Qb6 13. Qc2 Bd4 14. Bd3 Bxe5 15. Bxe5 Nxe5 16. 0-0 Rd8 17. Rad1 0-0 18. Be2 h6 19. b3 Qc5 20. Qb2 b5 21. Nd5 Ng6 22. b4 Qd6 23. Nf6+ gxf6 24. Rxd6 Rxd6 25. Qxf6 Rfd8 26. e5 Rd2 27. f4 R8d4 28. f5 Rxe2 29. fxe6 Rdd2 30. Qxf7+ 1-0

[Event "GBR-ch 109th"]
[Site "Leicester"]
[Date "2023.07.25"]
[Round "4"]
[White "Boswell, Jacob Connor"]
[Black "Koiza, Peter"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2163"]
[BlackElo "1963"]
[PlyCount "95"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. e3 d5 4. Nc3 Be7 5. b3 0-0 6. Bb2 b6 7. cxd5 exd5 8. Be2 Bb7 9. 0-0 Nbd7 10. Rc1 a6 11. Qc2 Re8 12. Rfd1 Rc8 13. Qb1 Bd6 14. h3 c5 15. a4 d4 16. exd4 Nh5 17. d5 Nf4 18. Bc4 Ne5 19. Nxe5 Bxe5 20. Qf5 Rc7 21. Re1 Bc8 22. Qe4 Qg5 23. h4 Qxh4 24. g3 Nh3+ 25. Kg2 Qf6 26. f4 Rce7 27. Qf3 Bxf4 28. Rxe7 Rxe7 29. d6 Qxd6 30. Ne4 Rxe4 31. Qxe4 Qxd2+ 32. Be2 Bb7 33. Qxb7 Qxe2+ 34. Kxh3 Qh5+ 35. Kg2 Qe2+ 36. Kh3 Qh5+ 37. Kg2 Qe2+ 38. Kh1 Qh5+ 39. Kg1 Be3+ 40. Kf1 Qf5+ 41. Kg2 Qf2+ 42. Kh1 h5 43. Rd1 Qc2 44. Qa8+ Kh7 45. Qd5 f5 46. Qf3 Bh6 47. Be5 b5 48. Qd3 1-0

[Event "GBR-ch 109th"]
[Site "Leicester"]
[Date "2023.07.24"]
[Round "3"]
[White "Koiza, Peter"]
[Black "Dong, Bao Nghia"]
[Result "0-1"]
[ECO "A65"]
[WhiteElo "1963"]
[BlackElo "2327"]
[PlyCount "80"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f3 Bg7 8. Nge2 0-0 9. Ng3 Nbd7 10. Be2 a6 11. a4 b6 12. 0-0 Rb8 13. f4 Ne8 14. Bc4 Nc7 15. Qd3 b5 16. axb5 axb5 17. Nxb5 Nb6 18. Na7 Bd7 19. Nc6 Bxc6 20. dxc6 Nxc4 21. Qxc4 Rb4 22. Qd3 d5 23. exd5 Nxd5 24. Qf3 Qd6 25. Ne4 Qxc6 26. Nc3 Ne7 27. Qxc6 Nxc6 28. Ra6 Nd4 29. Re1 Ne6 30. f5 gxf5 31. Nd5 Rb7 32. Rf1 Rd8 33. Rxf5 Rbd7 34. Ne3 Nd4 35. Rxc5 Nb3 36. Rc4 Rd3 37. Ra3 Bd4 38. Kf2 Nxc1 39. Rxc1 Bxe3+ 40. Ke2 Rxa3 0-1

[Event "GBR-ch 109th"]
[Site "Leicester"]
[Date "2023.07.23"]
[Round "2"]
[White "Ogunshola, Ben"]
[Black "Koiza, Peter"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2116"]
[BlackElo "1963"]
[PlyCount "80"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. Bg2 d6 6. d3 h6 7. 0-0 0-0 8. Na4 Bb6 9. a3 Qe7 10. Nxb6 axb6 11. b3 Bg4 12. Bb2 Nd7 13. b4 f5 14. Nh4 Bh5 15. Bh3 f4 16. Qd2 Rf6 17. Nf5 Qf7 18. e4 fxe3 19. fxe3 Bg6 20. Nh4 Bh7 21. Bg2 Kh8 22. Qe2 Rf8 23. Nf3 Qh5 24. Rf2 Bf5 25. Raf1 Bg4 26. b5 Nd8 27. e4 Ne6 28. Qe3 Ndc5 29. d4 exd4 30. Nxd4 Rxf2 31. Rxf2 Rxf2 32. Qxf2 Nd3 33. Qd2 Nxb2 34. Nxe6 Bxe6 35. Qxb2 Qc5+ 36. Kh1 Bxc4 37. a4 Qe3 38. h3 Qxg3 39. Qd4 Be6 40. e5 Qe1+ 0-1

[Event "GBR-ch 109th"]
[Site "Leicester"]
[Date "2023.07.22"]
[Round "1"]
[White "Koiza, Peter"]
[Black "Merriman, John"]
[Result "0-1"]
[ECO "A70"]
[WhiteElo "1963"]
[BlackElo "2274"]
[PlyCount "78"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. h3 0-0 9. Bd3 b5 10. Nxb5 Nxe4 11. Bxe4 Re8 12. Nd2 Ba6 13. a4 Qa5 14. Nxd6 Rd8 15. Nb5 Bxb5 16. axb5 Qxa1 17. d6 Nd7 18. Bxa8 Rxa8 19. 0-0 Qa5 20. Qe2 Rb8 21. Re1 Bf8 22. Nc4 Qxb5 23. Bg5 h6 24. Be7 Bg7 25. Qe4 Bd4 26. Qd5 Qb4 27. Re4 Qb7 28. Qxb7 Rxb7 29. Bd8 Bxb2 30. Re7 Bf6 31. Rxd7 Rxd7 32. Bxf6 Kf8 33. Be7+ Ke8 34. Na5 a6 35. Kf1 Ra7 36. Ke2 Kd7 37. Nc4 Rb7 38. Kd3 Rb3+ 39. Kc2 Rb5 0-1

[Event "London Mill Hill op U2400"]
[Site "London"]
[Date "2022.03.27"]
[Round "4"]
[White "Koiza, Peter"]
[Black "Kumar, Sanjit S"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "1879"]
[BlackElo "1769"]
[PlyCount "61"]
[EventDate "2022.03.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. d4 Be7 5. Nf3 0-0 6. 0-0 b6 7. Nc3 Bb7 8. cxd5 exd5 9. Nh4 Ne4 10. Nf5 Bf6 11. Nxe4 dxe4 12. Qc2 Re8 13. Bf4 Nc6 14. Rfd1 Qc8 15. Bh3 Kh8 16. Kg2 Qd8 17. d5 Nb4 18. Qxc7 Qxc7 19. Bxc7 Nxd5 20. Nd6 Nxc7 21. Nxb7 Bxb2 22. Rab1 Be5 23. Bf5 Rab8 24. Bxe4 Bxg3 25. Bc6 Re6 26. Nd8 Rxe2 27. hxg3 Rxa2 28. Nxf7+ Kg8 29. Rd7 Rc2 30. Rxc7 Rf8 31. Rd1 1-0

[Event "London Mill Hill op U2400"]
[Site "London"]
[Date "2022.03.27"]
[Round "5"]
[White "Sanitt, Ethan"]
[Black "Koiza, Peter"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "1860"]
[BlackElo "1879"]
[PlyCount "129"]
[EventDate "2022.03.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Nc3 g6 4. d3 Bg7 5. e4 d6 6. Bg2 Nge7 7. Nge2 h5 8. h4 Nd4 9. Nxd4 exd4 10. Nd5 c6 11. Nxe7 Qxe7 12. 0-0 0-0 13. b4 a5 14. bxa5 Rxa5 15. Qb3 b5 16. cxb5 Rxb5 17. Bg5 Qa7 18. Qc2 Rc5 19. Qd2 Rc3 20. Rfb1 Ba6 21. Bf1 Rb8 22. a4 Rbb3 23. Rxb3 Rxb3 24. Bf4 Qc5 25. Rc1 Rc3 26. Rb1 Qa3 27. Qb2 Qxb2 28. Rxb2 Be5 29. Bxe5 dxe5 30. Rb6 Bxd3 31. Bxd3 Rxd3 32. Rxc6 Ra3 33. Rc5 d3 34. Rd5 Rxa4 35. Rxd3 Rxe4 36. Kg2 Kg7 37. Rd6 Rd4 38. Rb6 Rd7 39. Kf3 f5 40. Ke3 Kf7 41. Rb5 Ke6 42. Ra5 Rd5 43. Ra6+ Rd6 44. Ra3 Rb6 45. Ke2 Kf6 46. Ra8 Re6 47. Rf8+ Ke7 48. Ra8 Rd6 49. Ra7+ Kf6 50. Ra8 e4 51. Ra5 Ke6 52. Rb5 Kd7 53. Rb3 Kc6 54. Ke3 Kc5 55. Kf4 Rd3 56. Rb2 Rf3+ 57. Kg5 e3 58. Rb3 e2 59. Rxf3 e1Q 60. Kxg6 Qe6+ 61. Kg5 Qg8+ 62. Kf6 Qf8+ 63. Kg6 Qg8+ 64. Kf6 Qf8+ 65. Kg6 1/2-1/2

[Event "London Mill Hill op U2400"]
[Site "London"]
[Date "2022.03.26"]
[Round "2"]
[White "Koiza, Peter"]
[Black "Patel, Zain"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "1879"]
[BlackElo "1531"]
[PlyCount "97"]
[EventDate "2022.03.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. d4 0-0 5. e4 d6 6. h3 Nbd7 7. Be3 e5 8. d5 Nc5 9. Nd2 a5 10. g4 c6 11. Be2 Ne8 12. h4 f5 13. g5 f4 14. Bxc5 dxc5 15. Rg1 Nd6 16. a4 Qb6 17. Qc2 Bd7 18. h5 Rf7 19. h6 Bh8 20. Bg4 Bxg4 21. Rxg4 Raf8 22. 0-0-0 Qd8 23. Nb3 Nxc4 24. Qe2 Qc8 25. Rgg1 Nb6 26. d6 Nd7 27. Nxa5 Qa8 28. Nb3 Qa7 29. a5 c4 30. Nd2 Nc5 31. Qxc4 Qxa5 32. Nb3 Nxb3+ 33. Qxb3 Rd8 34. Rd2 Qa1+ 35. Nb1 Rdd7 36. Rgd1 Qa8 37. Qb6 Qe8 38. Na3 Qe6 39. f3 Rf8 40. Kc2 Ra8 41. Qb3 Qxb3+ 42. Kxb3 b5 43. Rc1 Ra6 44. Kb4 Kf7 45. Kc5 Ke6 46. Nc2 Rda7 47. Nb4 Ra1 48. Rxa1 Rxa1 49. d7 1-0

[Event "London Mill Hill op U2400"]
[Site "London"]
[Date "2022.03.26"]
[Round "1"]
[White "Kumar, Soham"]
[Black "Koiza, Peter"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1642"]
[BlackElo "1879"]
[PlyCount "68"]
[EventDate "2022.03.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. g4 Bd7 6. Bd3 c5 7. c3 cxd4 8. cxd4 Nc6 9. Be3 Qb6 10. Nc3 e6 11. Nge2 Na5 12. Qc2 Rc8 13. f4 h5 14. g5 Nc4 15. Bxc4 Rxc4 16. g6 f5 17. Rg1 Nh6 18. b3 Rc8 19. Qd3 Ng4 20. Bf2 Rh6 21. Kf1 Rxg6 22. Bg3 Ba3 23. Re1 Qa5 24. Rg2 Bb2 25. Nd1 Bb5 26. Qb1 Bxd4 27. a4 Ba6 28. Qa2 Rc1 29. Qa3 Rxd1 30. Rxd1 Ne3+ 31. Kg1 Bxe2 32. Rxd4 Rxg3 33. Kf2 Rxg2+ 34. Kxe3 Qe1 0-1

[Event "London Mill Hill op U2400"]
[Site "London"]
[Date "2022.03.26"]
[Round "3"]
[White "Large, Peter G"]
[Black "Koiza, Peter"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "2335"]
[BlackElo "1879"]
[PlyCount "55"]
[EventDate "2022.03.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Qb3 Bg7 7. cxd5 0-0 8. Be2 Na6 9. Bf3 b5 10. Nge2 b4 11. Na4 Bb7 12. d6 Bxf3 13. dxe7 Qxe7 14. Qxf3 Rfe8 15. Bg5 Qd7 16. Nc5 Nxc5 17. dxc5 Ne4 18. Be3 Bxb2 19. Rd1 Qb5 20. 0-0 Rac8 21. Nf4 Qc4 22. Nd5 Bg7 23. Rfe1 f5 24. Qf4 Re5 25. Rd4 Qxa2 26. Nxb4 Qa5 27. Rd7 Ree8 28. Nd3 0-1

[Event "GBR-ch Atkins op 106th"]
[Site "Torquay"]
[Date "2019.07.28"]
[Round "5"]
[White "Koiza, Peter"]
[Black "Blades, Nigel"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1847"]
[BlackElo "2033"]
[PlyCount "61"]
[EventDate "2019.07.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 d5 6. c3 Bd6 7. Bg3 Bxg3 8. hxg3 Qd6 9. Bd3 e5 10. Bb5 cxd4 11. cxd4 e4 12. Ne5 0-0 13. Bxc6 bxc6 14. Rc1 Bd7 15. Rc5 Rfe8 16. Qc2 Rac8 17. Nb3 Ng4 18. Nxg4 Bxg4 19. Ra5 Qb4+ 20. Qc3 Qxc3+ 21. bxc3 Rc7 22. Kd2 Rb8 23. Rc1 Be6 24. Kc2 Kf8 25. Nc5 Rb6 26. f3 Bf5 27. g4 Bc8 28. Rh1 h6 29. Rh5 f6 30. Rh1 Re7 31. Re1 1/2-1/2

[Event "GBR-ch Atkins op 106th"]
[Site "Torquay"]
[Date "2019.07.28"]
[Round "4"]
[White "Koiza, Peter"]
[Black "Habershon, Paul F"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1847"]
[BlackElo "2017"]
[PlyCount "58"]
[EventDate "2019.07.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. Bf4 g6 4. e3 Bg7 5. h3 0-0 6. Be2 b6 7. 0-0 Bb7 8. c4 Nbd7 9. Nc3 Re8 10. Bh2 e5 11. dxe5 Nxe5 12. Nxe5 dxe5 13. Qc2 Qe7 14. Rfd1 Rad8 15. Rac1 c5 16. Qa4 Ba8 17. Nb5 a5 18. Qb3 Ne4 19. f3 Ng5 20. Nc3 e4 21. f4 Nf3+ 22. Kh1 Nxh2 23. Kxh2 Bxc3 24. Qxc3 Bc6 25. g4 f6 26. Kg3 Kf7 27. Qb3 Qc7 28. Rxd8 Rxd8 29. Rd1 Rxd1 1/2-1/2

[Event "GBR-ch Atkins op 106th"]
[Site "Torquay"]
[Date "2019.07.27"]
[Round "2"]
[White "Anilkumar, Anantha P"]
[Black "Koiza, Peter"]
[Result "1-0"]
[ECO "E13"]
[WhiteElo "1925"]
[BlackElo "1847"]
[PlyCount "107"]
[EventDate "2019.07.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 d6 5. Bg5 h6 6. Bh4 Bxc3+ 7. bxc3 b6 8. e3 Bb7 9. Bd3 g5 10. Bg3 Ne4 11. 0-0 f5 12. Nd2 Nxd2 13. Qxd2 Qf6 14. f4 g4 15. Qe1 Qg6 16. d5 Nd7 17. e4 0-0 18. Bf2 exd5 19. exf5 Qf7 20. Qe6 Qxe6 21. fxe6 Nf6 22. e7 Rfe8 23. Bh4 Kf7 24. Rfe1 Ba6 25. Bf5 Bc8 26. Bc2 dxc4 27. Ba4 Rxe7 28. Rxe7+ Kxe7 29. Bc6 Rb8 30. Re1+ Kf7 31. Bxf6 Kxf6 32. Re8 Kf5 33. g3 b5 34. Rxc8 Rxc8 35. Bd7+ Ke4 36. Bxc8 b4 37. Bxg4 bxc3 38. Bd1 Kf5 39. Bc2+ Kf6 40. Kf2 d5 41. g4 d4 42. Ke2 c5 43. h4 Kg7 44. g5 hxg5 45. hxg5 Kf7 46. f5 Kg7 47. f6+ Kf7 48. Be4 Ke6 49. Bd5+ Kxd5 50. f7 d3+ 51. Kd1 c2+ 52. Kc1 Kd4 53. f8Q Kc3 54. Qf6+ 1-0

[Event "GBR-ch Atkins op 106th"]
[Site "Torquay"]
[Date "2019.07.27"]
[Round "3"]
[White "Cutmore, Martin J"]
[Black "Koiza, Peter"]
[Result "0-1"]
[ECO "E29"]
[WhiteElo "2022"]
[BlackElo "1847"]
[PlyCount "54"]
[EventDate "2019.07.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 b6 8. Ne2 0-0 9. e4 Ne8 10. 0-0 Ba6 11. f4 f5 12. Ng3 g6 13. exf5 exf5 14. dxc5 bxc5 15. Be3 Qa5 16. Be2 Nf6 17. Qd6 Rae8 18. Bxc5 Rf7 19. Bb4 Qb6+ 20. c5 Qb7 21. Bxa6 Qxa6 22. Rfe1 Rxe1+ 23. Rxe1 Qc4 24. Qc7 a5 25. Rd1 axb4 26. cxb4 Qb3 27. Qd6 Qe3+ 0-1

[Event "GBR-ch Atkins op 106th"]
[Site "Torquay"]
[Date "2019.07.26"]
[Round "1"]
[White "Koiza, Peter"]
[Black "Darling, George A"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1847"]
[BlackElo "1960"]
[PlyCount "59"]
[EventDate "2019.07.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 Nbd7 5. Bd3 c5 6. c3 c4 7. Be2 b5 8. b3 Bb7 9. h3 Ne4 10. a4 b4 11. bxc4 dxc4 12. Bxc4 Rc8 13. Qb3 a5 14. 0-0 Qb6 15. cxb4 Bxb4 16. Bb5 Bd5 17. Qd3 Ke7 18. Nfd2 Ndf6 19. Nc4 Bxc4 20. Bxc4 Rhd8 21. Na3 Nd6 22. Bxd6+ Rxd6 23. Nb5 Rdc6 24. Rac1 Nd5 25. Rc2 Nc3 26. Bb3 Nxb5 27. Rxc6 Rxc6 28. Qxb5 Qxb5 29. axb5 Rc3 30. Rb1 1/2-1/2

[Event "Gibraltar U16 op"]
[Site "Caleta"]
[Date "2017.08.21"]
[Round "6"]
[White "Koiza, Peter"]
[Black "Smith, Callum"]
[Result "1-0"]
[ECO "E98"]
[BlackElo "1908"]
[PlyCount "131"]
[EventDate "2017.08.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "GGB"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Ne8 10. f3 f5 11. Nd3 f4 12. b3 h5 13. Ba3 g5 14. c5 Kh7 15. Nb2 Rg8 16. Nc4 Bf8 17. cxd6 cxd6 18. h3 Ng6 19. Bb4 Nh8 20. Qe1 g4 21. fxg4 hxg4 22. Bxg4 Bxg4 23. hxg4 Rxg4 24. Ne3 Rg6 25. Qf2 Ng7 26. Nf5 Nxf5 27. exf5 Rf6 28. Ne4 Rxf5 29. g4 Rf7 30. g5 Kg6 31. Qf3 Qb6+ 32. Kg2 Qe3 33. Rh1 Qxf3+ 34. Kxf3 Rh7 35. Rxh7 Kxh7 36. Rc1 Kg6 37. Rc7 a5 38. Ba3 b5 39. Bxd6 Bxd6 40. Nxd6 Rd8 41. Rc6 Nf7 42. Nb7+ Kf5 43. Nxd8 Nxd8 44. Rc8 Nf7 45. Rf8 e4+ 46. Kf2 Kg6 47. Rxf7 Kxf7 48. d6 e3+ 49. Kf3 a4 50. bxa4 bxa4 51. a3 Ke6 52. g6 Kxd6 53. g7 Kd5 54. g8Q+ Kd4 55. Qd8+ Kc4 56. Qg5 Kb3 57. Qc5 Kb2 58. Kxf4 e2 59. Qb4+ Ka2 60. Ke3 e1Q+ 61. Qxe1 Kxa3 62. Qc3+ Ka2 63. Qb4 a3 64. Kd3 Ka1 65. Kc2 a2 66. Qc3# 1-0

[Event "Gibraltar U16 op"]
[Site "Caleta"]
[Date "2017.08.20"]
[Round "5"]
[White "Cuellar Montes, Alejandro"]
[Black "Koiza, Peter"]
[Result "1/2-1/2"]
[ECO "D44"]
[WhiteElo "1916"]
[PlyCount "95"]
[EventDate "2017.08.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "GGB"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. exf6 Bb7 12. g3 Qb6 13. Bg2 0-0-0 14. 0-0 c5 15. d5 b4 16. Na4 Qb5 17. a3 Nb8 18. axb4 cxb4 19. Qd4 Nc6 20. Nb6+ axb6 21. dxc6 Bxc6 22. Bxc6 Qxc6 23. Qg4 Bc5 24. Ra7 Rd7 25. Rxd7 Kxd7 26. h4 Kc8 27. Bf4 Qe4 28. Qg7 Qh7 29. Ra1 Kb7 30. Rd1 Kc6 31. Qg4 Qh5 32. Qxh5 Rxh5 33. Bg5 b3 34. g4 Rh8 35. Kf1 b5 36. h5 b4 37. Ke2 e5 38. Be3 c3 39. Rh1 Bxe3 40. fxe3 c2 41. Kd2 Kd5 42. g5 Ke4 43. Rf1 Rxh5 44. g6 Rh8 45. g7 Rd8+ 46. Ke2 Kd5 47. Kd2 Ke4+ 48. Ke2 1/2-1/2

[Event "Gibraltar U16 op"]
[Site "Caleta"]
[Date "2017.08.20"]
[Round "4"]
[White "Koiza, Peter"]
[Black "Machado, Tomas Dias"]
[Result "1-0"]
[ECO "A52"]
[BlackElo "1647"]
[PlyCount "83"]
[EventDate "2017.08.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "GGB"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 g5 5. Bg3 Nc6 6. Nf3 Bg7 7. Nc3 Ngxe5 8. Nxe5 Nxe5 9. e3 d6 10. Qc2 Be6 11. h4 g4 12. h5 h6 13. Rd1 Qe7 14. Nd5 Bxd5 15. cxd5 0-0 16. Be2 f5 17. Bf4 Rae8 18. g3 Rc8 19. Kf1 Nd7 20. b4 Rf7 21. Kg2 Qf8 22. e4 Be5 23. exf5 Re8 24. Rh4 Bxf4 25. gxf4 Qe7 26. Rxg4+ Kh8 27. Bf3 Rg7 28. Rg3 Reg8 29. Kh3 Rxg3+ 30. fxg3 Nf6 31. Qc3 Qg7 32. g4 Nxh5 33. Qxg7+ Nxg7 34. f6 Nf5 35. gxf5 Rf8 36. Re1 Rxf6 37. Kg4 Rf7 38. Re6 Kh7 39. f6 Rf8 40. Kf5 a5 41. Re7+ Kg8 42. Kg6 1-0

[Event "Gibraltar U16 op"]
[Site "Caleta"]
[Date "2017.08.19"]
[Round "3"]
[White "Drais, Ali"]
[Black "Koiza, Peter"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1708"]
[PlyCount "97"]
[EventDate "2017.08.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "GGB"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 Be6 8. g4 d5 9. exd5 Nxd5 10. Bg2 Nxc3 11. Qxd8+ Kxd8 12. Nxc3 Nc6 13. Be3 Bb4 14. 0-0-0+ Kc7 15. Na4 b5 16. Nb6 Rad8 17. Nd5+ Bxd5 18. Bxd5 f6 19. f4 Nd4 20. fxe5 fxe5 21. Bg2 Ne2+ 22. Kb1 Nf4 23. Be4 Ba5 24. h4 h6 25. Rhf1 Bb6 26. Bd2 Rd4 27. Bf3 Rhd8 28. Bc3 Rxd1+ 29. Bxd1 Bd4 30. Bd2 g5 31. Bf3 Kb6 32. c3 Bc5 33. Kc2 a5 34. hxg5 hxg5 35. Rh1 Rd6 36. Rh8 Ka6 37. Rg8 Ne6 38. Ra8+ Kb6 39. Rb8+ Ka6 40. Ra8+ Kb6 41. Rg8 Ka6 42. Be4 Kb6 43. Bxg5 Nxg5 44. Rxg5 Be3 45. Rxe5 Rd2+ 46. Kb3 a4+ 47. Ka3 Bc5+ 48. b4 Be3 49. c4 1/2-1/2

[Event "Gibraltar U16 op"]
[Site "Caleta"]
[Date "2017.08.18"]
[Round "1"]
[White "Finn, Thomas"]
[Black "Koiza, Peter"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1751"]
[PlyCount "102"]
[EventDate "2017.08.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "GGB"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. Nc3 c5 2. e4 a6 3. f4 e6 4. Nf3 d5 5. d4 Nf6 6. e5 Nfd7 7. Be2 Nc6 8. Be3 b5 9. 0-0 Qb6 10. Bf2 Bb7 11. a3 Rd8 12. f5 Nxd4 13. Nxd4 cxd4 14. fxe6 Qxe6 15. Bxd4 Bc5 16. Bg4 Qb6 17. Bxd7+ Rxd7 18. Bxc5 Qxc5+ 19. Kh1 d4 20. Na2 0-0 21. Re1 Re8 22. Qd2 Rde7 23. Rad1 Rxe5 24. Rxe5 Qxe5 25. h3 Qh5 26. Qd3 Re3 27. Qxe3 Qxd1+ 28. Qg1 Qxc2 29. Nb4 Qxb2 30. Kh2 Qd2 31. Qf1 a5 32. Nd3 h6 33. Nc5 Qc2 34. Nxb7 Qc7+ 35. Kg1 Qxb7 36. Qf5 Qe7 37. Qxb5 Qe3+ 38. Kh2 d3 39. Qf5 g6 40. Qc8+ Kg7 41. Qc3+ Kh7 42. Qc4 Qe5+ 43. Kh1 Qf5 44. Qd4 Qf1+ 45. Kh2 a4 46. h4 h5 47. Qe3 Qe2 48. Qf4 Qa2 49. Qxa4 Qf2 50. Qd7 d2 51. Kh3 Qf5+ 0-1

[Event "Gibraltar U16 op"]
[Site "Caleta"]
[Date "2017.08.18"]
[Round "2"]
[White "Koiza, Peter"]
[Black "Diaz Mino, Pablo"]
[Result "0-1"]
[ECO "D36"]
[BlackElo "2014"]
[PlyCount "120"]
[EventDate "2017.08.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "GGB"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. Qc2 c6 7. e3 Nbd7 8. Bd3 0-0 9. Nge2 h6 10. Bh4 Re8 11. 0-0 Ne4 12. Bxe7 Qxe7 13. Bxe4 dxe4 14. Ng3 Nf6 15. b4 Qxb4 16. Ngxe4 Qe7 17. Ng3 h5 18. Rfe1 g6 19. e4 h4 20. Nf1 Nh5 21. Ne3 Qg5 22. e5 Qf4 23. Qe4 c5 24. Ned5 Qxe4 25. Nxe4 Rd8 26. Ne7+ Kf8 27. Nxc8 Raxc8 28. Nd6 Rc6 29. dxc5 Rd7 30. Rac1 Nf4 31. Re4 Nd3 32. Rd1 Rxc5 33. f4 Rd5 34. Rb1 Nc5 35. Rc1 Nxe4 36. Rc8+ Kg7 37. Nxe4 Rd8 38. Rc7 R5d7 39. Rc3 Rd1+ 40. Kf2 R8d4 41. Re3 Ra1 42. Re2 Ra4 43. Kf3 R1xa2 44. Nd2 R2a3+ 45. Kg4 Rb4 46. Ne4 Raa4 47. Kf3 Rd4 48. Re3 Ra2 49. Nc3 Rb2 50. e6 fxe6 51. Ne2 Rd6 52. Kg4 a5 53. Kxh4 Rdd2 54. Ng3 Rxg2 55. h3 Rb4 56. Kg4 Rf2 57. Ne2 a4 58. Rxe6 a3 59. Kg3 Rf1 60. Kg2 a2 0-1

[Event "ENG Terafinal Challengers-A"]
[Site "Daventry"]
[Date "2017.08.13"]
[Round "6"]
[White "Koiza, Peter"]
[Black "Davidson, Laura"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "162"]
[BlackElo "143"]
[PlyCount "22"]
[EventDate "2017.08.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. Nf3 Qb6 5. Nc3 Qxb2 6. Nb5 Nd5 7. a3 a6 8. Rb1 Qa2 9. Ra1 Qb2 10. Rb1 Qa2 11. Ra1 Qb2 1/2-1/2

[Event "ENG Terafinal Challengers-A"]
[Site "Daventry"]
[Date "2017.08.13"]
[Round "4"]
[White "Koiza, Peter"]
[Black "Moreby, James"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "162"]
[BlackElo "206"]
[PlyCount "54"]
[EventDate "2017.08.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 d5 4. Nf3 Nc6 5. dxc5 e6 6. a3 Bxc5 7. c4 0-0 8. Nc3 a6 9. Be2 dxc4 10. Bxc4 b5 11. Be2 Qb6 12. b4 Be7 13. 0-0 Rd8 14. Qb3 Bb7 15. Rfd1 Nh5 16. Bg5 h6 17. Bxe7 Nxe7 18. Ne5 Nf6 19. Nd3 Nd7 20. Nf4 Ne5 21. Rxd8+ Rxd8 22. Rd1 Rc8 23. Nd3 Qc6 24. Bf1 Nf3+ 25. gxf3 Qxf3 26. e4 Rxc3 27. Qxc3 Bxe4 0-1

[Event "ENG Terafinal Challengers-A"]
[Site "Daventry"]
[Date "2017.08.13"]
[Round "5"]
[White "Stoyanov, Boris"]
[Black "Koiza, Peter"]
[Result "0-1"]
[ECO "D44"]
[WhiteElo "112"]
[BlackElo "162"]
[PlyCount "50"]
[EventDate "2017.08.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 dxc4 6. e4 b5 7. a4 b4 8. Na2 Ba6 9. e5 h6 10. Bh4 g5 11. Nxg5 hxg5 12. Bxg5 Nbd7 13. exf6 Qa5 14. Bd2 c5 15. Qc2 Nb6 16. dxc5 Bxc5 17. Be2 Rc8 18. Be3 b3+ 19. Qc3 Qxa4 20. Bxc5 Rxc5 21. Qb4 Qa5 22. 0-0 bxa2 23. Qxa5 Rxa5 24. Rfc1 Rg8 25. Bf3 Rg6 0-1

[Event "ENG Terafinal Challengers-A"]
[Site "Daventry"]
[Date "2017.08.12"]
[Round "2"]
[White "Koiza, Peter"]
[Black "Khan, Samir"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "162"]
[BlackElo "104"]
[PlyCount "87"]
[EventDate "2017.08.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 b6 2. Bf4 e6 3. e3 Bb7 4. Nf3 Nf6 5. h3 c5 6. c3 Be7 7. Bd3 0-0 8. Nbd2 d5 9. Ne5 Nbd7 10. Qf3 Rb8 11. Nxd7 Qxd7 12. Bxb8 Rxb8 13. 0-0 Ne4 14. Nxe4 dxe4 15. Bxe4 Bxe4 16. Qxe4 c4 17. Qg4 b5 18. b4 a6 19. e4 Qc6 20. Rad1 Rd8 21. Rfe1 h6 22. a3 Bf6 23. e5 Be7 24. Qe4 Qd7 25. f4 a5 26. Re2 axb4 27. axb4 Qa7 28. Qc2 Qb6 29. Qb2 Qa7 30. Ra1 Qb7 31. Qb1 Qc6 32. Qe4 Qxe4 33. Rxe4 g6 34. Ra7 Kf8 35. Rb7 Rd5 36. Re2 g5 37. Ra2 gxf4 38. Raa7 Bg5 39. Rxf7+ Ke8 40. Rh7 Bf6 41. exf6 Rd7 42. Ra8+ Rd8 43. Re7+ Kf8 44. Rxd8# 1-0

[Event "ENG Terafinal Challengers-A"]
[Site "Daventry"]
[Date "2017.08.12"]
[Round "3"]
[White "Maladkar, Ritika"]
[Black "Koiza, Peter"]
[Result "0-1"]
[ECO "D48"]
[WhiteElo "118"]
[BlackElo "162"]
[PlyCount "89"]
[EventDate "2017.08.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 a6 10. a3 c5 11. b4 cxb4 12. axb4 Bxb4 13. Bd2 0-0 14. Re1 Re8 15. e4 e5 16. Qb3 Bd6 17. Ng5 Qe7 18. Nf3 exd4 19. Nxd4 Bxh2+ 20. Kxh2 Qe5+ 21. Kg1 Qxd4 22. Qc2 Nc5 23. Re3 Nxd3 24. Rxd3 Qc4 25. f3 b4 26. Rb1 Rab8 27. Rb3 bxc3 28. Rbxc3 Qe6 29. Bf4 Rbc8 30. Rd6 Rxc3 31. Qxc3 Qc8 32. Qd4 Bc6 33. Qc5 Bb5 34. Qg5 Re6 35. Rd5 Nxd5 36. Qxd5 Qd7 37. Qf5 a5 38. Kh2 Rh6+ 39. Bxh6 Qxf5 40. exf5 gxh6 41. g4 a4 42. Kh3 a3 43. Kh4 a2 44. Kh5 a1Q 45. f6 0-1

[Event "ENG Terafinal Challengers-A"]
[Site "Daventry"]
[Date "2017.08.12"]
[Round "1"]
[White "Rybak, Teo"]
[Black "Koiza, Peter"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "89"]
[BlackElo "162"]
[PlyCount "72"]
[EventDate "2017.08.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 0-0 10. 0-0-0 Nbd7 11. g4 b5 12. Bd3 Nb6 13. Bxb6 Qxb6 14. h4 Rfd8 15. h5 h6 16. g5 Nh7 17. f4 exf4 18. g6 fxg6 19. hxg6 Ng5 20. Qh2 Bf6 21. Rdg1 Nf3 22. Qg2 Nxg1 23. Rxg1 f3 24. Qf1 f2 25. Rg2 Qe3+ 26. Kd1 Bxc3 27. bxc3 Rf8 28. Nc1 Bh3 29. Qh1 Qf3+ 30. Be2 Qxg2 31. Qxg2 Bxg2 32. Nd3 f1Q+ 33. Bxf1 Bxf1 34. Ke1 Bxd3 35. cxd3 Rf3 36. Kd2 Raf8 0-1

