[Event "Silves op"]
[Site "Silves"]
[Date "2025.03.07"]
[Round "9"]
[White "Mostafa, Hazem Farouk Mahmou"]
[Black "Matthamagoda, Risika Riyon"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1769"]
[PlyCount "68"]
[EventDate "2025.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. f4 e6 5. Nf3 c5 6. c3 c4 7. Be2 Nc6 8. 0-0 Nge7 9. Nh4 Bg6 10. g4 h6 11. f5 Bh7 12. Qe1 Qd7 13. Qf2 g5 14. fxg6 Nxg6 15. Nxg6 Bxg6 16. Nd2 Be7 17. h4 h5 18. g5 b6 19. b3 Nxe5 20. bxc4 Ng4 21. Bxg4 hxg4 22. Qg3 Bf5 23. Rxf5 exf5 24. Bb2 Bd6 25. Re1+ Kf8 26. Qg2 Re8 27. Rf1 Rxh4 28. Qxd5 Qe7 29. Qxf5 Qe3+ 30. Rf2 Qg3+ 31. Rg2 Re1+ 32. Nf1 Qe3+ 33. Rf2 Rxf1+ 34. Kxf1 Rh1+ 0-1

[Event "Silves op"]
[Site "Silves"]
[Date "2025.03.06"]
[Round "8"]
[White "Matthamagoda, Risika Riyon"]
[Black "Opatskyy, Danylo"]
[Result "1/2-1/2"]
[ECO "D30"]
[BlackElo "1473"]
[PlyCount "127"]
[EventDate "2025.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. c5 b6 5. b4 a5 6. bxa5 bxc5 7. Ba3 Kd7 8. Ne5+ Ke8 9. dxc5 Na6 10. e3 Nxc5 11. Bb5+ Bd7 12. Nxd7 Ncxd7 13. Bxf8 Kxf8 14. a6 c6 15. Be2 Qa5+ 16. Qd2 Qxd2+ 17. Nxd2 Nc5 18. Rc1 Nxa6 19. a3 Nb8 20. Ra1 c5 21. 0-0 Ke7 22. Bf3 Rc8 23. Rfc1 Nbd7 24. g3 e5 25. e4 d4 26. Nc4 Ne8 27. Bg4 Nef6 28. Bf3 g5 29. Bg2 h5 30. f4 gxf4 31. gxf4 Ng4 32. h3 Ne3 33. Nxe3 dxe3 34. f5 Rab8 35. Ra2 Rb3 36. Kf1 Rcb8 37. Rcc2 Rd3 38. Ke2 Rbb3 39. a4 Ra3 40. a5 Rxa2 41. Rxa2 c4 42. Bf1 Nc5 43. a6 Nxe4 44. Kf3 Nd2+ 45. Ke2 Nxf1 46. Kxf1 Rd8 47. Ke2 Kf6 48. Kxe3 Kxf5 49. a7 Ra8 50. Rf2+ Ke6 51. Ra2 f6 52. Ra6+ Kf7 53. Ke4 Kg6 54. h4 c3 55. Kd3 Kf5 56. Kxc3 Kg4 57. Ra4+ Kf5 58. Kd3 Ke6 59. Ke3 f5 60. Ra6+ Kf7 61. Ra5 Ke6 62. Ra6+ Kd7 63. Rh6 f4+ 64. Ke4 1/2-1/2

[Event "Silves op"]
[Site "Silves"]
[Date "2025.03.05"]
[Round "7"]
[White "Opatskyy, Nazariy"]
[Black "Matthamagoda, Risika Riyon"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1745"]
[PlyCount "71"]
[EventDate "2025.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. Nf3 Bg4 6. c3 Nf6 7. Bf4 e6 8. Nbd2 Bd6 9. Bg3 Bxg3 10. hxg3 e5 11. dxe5 Nxe5 12. Qe2 Qe7 13. Qxe5 Bxf3 14. Qxe7+ Kxe7 15. Nxf3 Rhe8 16. 0-0-0 Kd6 17. Rhe1 Rf8 18. Ng5 a6 19. Bc4 Kc5 20. Be2 h6 21. b4+ Kc6 22. Nf3 Kb6 23. a4 Rac8 24. a5+ Ka7 25. Kc2 Ne4 26. Rd3 Nxf2 27. Rxd5 Ne4 28. c4 Nxg3 29. Bd3 g6 30. Re7 Nh5 31. Rdd7 Rb8 32. Rxf7 Rfe8 33. Nd4 Rbc8 34. Rxb7+ Ka8 35. Ra7+ Kb8 36. Rfb7# 1-0

[Event "Silves op"]
[Site "Silves"]
[Date "2025.03.04"]
[Round "6"]
[White "Matthamagoda, Risika Riyon"]
[Black "Finkler, Kai Andreas"]
[Result "0-1"]
[ECO "D92"]
[BlackElo "1990"]
[PlyCount "72"]
[EventDate "2025.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. c4 0-0 5. Nc3 d5 6. c5 c6 7. h3 Qa5 8. Bd2 Qc7 9. g3 Nbd7 10. Bf4 Qa5 11. Bd2 Qd8 12. Qc1 Re8 13. Bf4 Ne4 14. Nd2 Nxc3 15. bxc3 e5 16. Be3 Qc7 17. Nb3 b6 18. dxe5 Nxe5 19. cxb6 axb6 20. Bg2 Ba6 21. Nd4 Nc4 22. Bf4 Be5 23. Bxe5 Qxe5 24. 0-0 c5 25. Nf3 Qxe2 26. Qh6 f6 27. Ng5 fxg5 28. Bxd5+ Kh8 29. Bxa8 Rxa8 30. Qxg5 Nd2 31. Qf6+ Kg8 32. Rae1 Nf3+ 33. Kh1 Nxe1 34. Rg1 Bb7+ 35. Kh2 Nf3+ 36. Qxf3 Qxf3 0-1

[Event "Silves op"]
[Site "Silves"]
[Date "2025.03.04"]
[Round "5"]
[White "Rogge, Marloes"]
[Black "Matthamagoda, Risika Riyon"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1761"]
[PlyCount "46"]
[EventDate "2025.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Bd2 Nd7 7. Nf3 h6 8. a3 Ne7 9. Nc3 Nf5 10. g4 Nh4 11. Nxh4 Qxh4 12. h3 a6 13. Be3 c5 14. 0-0-0 c4 15. Qd2 b5 16. f4 Qd8 17. f5 b4 18. Nb1 c3 19. bxc3 bxa3 20. c4 a2 21. Qc3 axb1Q+ 22. Kxb1 Rb8+ 23. Ka2 Bb4 0-1

[Event "Silves op"]
[Site "Silves"]
[Date "2025.03.03"]
[Round "4"]
[White "Matthamagoda, Risika Riyon"]
[Black "Jeremias, Damain"]
[Result "1/2-1/2"]
[ECO "D30"]
[BlackElo "1682"]
[PlyCount "69"]
[EventDate "2025.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. c5 b6 5. b4 Bd7 6. Bg5 Be7 7. Nc3 0-0 8. e3 h6 9. Bh4 Nc6 10. b5 Na5 11. c6 Bc8 12. Rb1 a6 13. a4 Ne8 14. Bxe7 Qxe7 15. Qc1 Nd6 16. Ne5 axb5 17. axb5 Rd8 18. h4 Qf6 19. Qc2 Nac4 20. Bxc4 dxc4 21. g4 g5 22. hxg5 Qxg5 23. f4 Qg7 24. g5 hxg5 25. Rg1 f6 26. Ng6 Kf7 27. Nh4 Nf5 28. Nxf5 exf5 29. Ne2 Be6 30. Nc3 g4 31. d5 Bxd5 32. Nxd5 Rxd5 33. Qxc4 Rad8 34. Rd1 Ke6 35. e4 1/2-1/2

[Event "Silves op"]
[Site "Silves"]
[Date "2025.03.02"]
[Round "2"]
[White "Matthamagoda, Risika Riyon"]
[Black "Andre, Angelo Konstantin"]
[Result "1-0"]
[ECO "D00"]
[BlackElo "1711"]
[PlyCount "89"]
[EventDate "2025.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. c3 e6 5. Bg5 h6 6. Bh4 Be7 7. h3 0-0 8. Bd3 Ne4 9. Bxe7 Qxe7 10. Bxe4 Bxe4 11. Nf3 c5 12. Nbd2 Bh7 13. Rc1 c4 14. g4 Nc6 15. h4 b5 16. g5 h5 17. Ne5 Nxe5 18. dxe5 b4 19. Qxh5 bxc3 20. Rxc3 Rab8 21. 0-0 Rxb2 22. Nf3 Qb4 23. Rcc1 c3 24. Nd4 Rb8 25. f4 c2 26. f5 exf5 27. e6 fxe6 28. g6 Bxg6 29. Qxg6 Qe7 30. Qg2 Qxh4 31. Nxe6 Qg4 32. Qxg4 fxg4 33. Nd4 Rxa2 34. Nf5 Re8 35. Rf2 Kh7 36. Re2 Ra4 37. Rcxc2 Kg6 38. Nd4 Kg5 39. Kf2 Kh4 40. Kg2 Re5 41. Nc6 Re8 42. Nd4 g6 43. Rcd2 Ra3 44. Nc2 Ra5 45. Nb4 1-0

[Event "Silves op"]
[Site "Silves"]
[Date "2025.03.02"]
[Round "3"]
[White "Pena, Helio Adelino Silva"]
[Black "Matthamagoda, Risika Riyon"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1820"]
[PlyCount "93"]
[EventDate "2025.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. c5 h6 5. Bf4 a6 6. e3 b6 7. b4 bxc5 8. bxc5 Nc6 9. Nf3 Nh5 10. Ne5 Nxe5 11. Bxe5 Nf6 12. Bd3 Nd7 13. Qa4 Bb7 14. c6 Bc8 15. cxd7+ Bxd7 16. Qa5 Qg5 17. g3 Rb8 18. h4 Qh5 19. Rb1 Rxb1+ 20. Nxb1 f6 21. Bxc7 Be7 22. Bb6 0-0 23. Bc5 Rc8 24. Bxa6 Bd8 25. Qb4 Rc7 26. Nc3 Bc8 27. Qb8 Qe8 28. Bxc8 Rf7 29. Bxe6 Qxe6 30. Qxd8+ Kh7 31. Qxd5 Qe8 32. Qe4+ Qxe4 33. Nxe4 Rb7 34. 0-0 Rb2 35. a3 f5 36. Nd6 g5 37. Nxf5 Kg6 38. Ne7+ Kh5 39. hxg5 Kxg5 40. f3 h5 41. Rf2 Rb1+ 42. Kg2 h4 43. d5 hxg3 44. Rd2 Kf6 45. d6 Rb8 46. d7 Rd8 47. Nc6 1-0

[Event "Silves op"]
[Site "Silves"]
[Date "2025.03.01"]
[Round "1"]
[White "Adams, Philip"]
[Black "Matthamagoda, Risika Riyon"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "1903"]
[PlyCount "81"]
[EventDate "2025.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. Nf3 c6 2. e4 d5 3. exd5 cxd5 4. c4 d4 5. d3 Bg4 6. h3 Bxf3 7. Qxf3 Nc6 8. a3 e5 9. b4 a6 10. g3 Nf6 11. Bg5 Be7 12. Bxf6 Bxf6 13. Bg2 0-0 14. Nd2 g6 15. 0-0 Rb8 16. Rab1 Na7 17. Rfe1 Re8 18. h4 Bg7 19. a4 b6 20. c5 bxc5 21. bxc5 Qa5 22. Ne4 Rb4 23. Nd6 Rf8 24. Rec1 Rxb1 25. Rxb1 Qxc5 26. Qd5 Qc2 27. Rb7 Qc6 28. Rxa7 Qxd5 29. Bxd5 Rd8 30. Bxf7+ Kh8 31. Ne4 Rf8 32. Bc4 Bh6 33. Rxa6 Rb8 34. Kg2 Bf8 35. Ra7 h6 36. a5 Rb1 37. Nf6 Bg7 38. Ra8+ Bf8 39. Rxf8+ Kg7 40. Rf7+ Kh8 41. Rh7# 1-0

