[Event "SRI-ch"]
[Site "Colombo"]
[Date "2024.03.31"]
[Round "13"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Thilakarathne, GM Harshana"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1772"]
[BlackElo "2366"]
[PlyCount "55"]
[EventDate "2024.03.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SRI"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Qxd7 7. Nc3 e5 8. Qd3 Qc6 9. a4 Be6 10. Nd5 f5 11. Nc3 fxe4 12. Qxe4 Nf6 13. Qxc6+ bxc6 14. 0-0 Be7 15. b3 Bf5 16. Ra2 0-0 17. Ne2 Rab8 18. Ba3 c5 19. Ng3 g6 20. Bc1 e4 21. Nd2 d5 22. Re1 Rfe8 23. Bb2 d4 24. Raa1 Bf8 25. c3 e3 26. fxe3 dxe3 27. Nc4 Rxb3 28. Ra3 0-1

[Event "SRI-ch"]
[Site "Colombo"]
[Date "2024.03.31"]
[Round "12"]
[White "De Silva, LMST"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2362"]
[BlackElo "1772"]
[PlyCount "113"]
[EventDate "2024.03.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SRI"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 c5 3. d4 Nc6 4. c3 cxd4 5. exd4 Qc7 6. Bd3 Nf6 7. h3 e6 8. 0-0 h6 9. Re1 Bd6 10. Qe2 Nd7 11. Nbd2 0-0 12. Nf1 Rd8 13. Ne3 Nf6 14. Ng4 Nxg4 15. hxg4 Bf4 16. g3 Bxc1 17. Raxc1 Qe7 18. Kg2 Kf8 19. Rh1 f6 20. Nh4 Ke8 21. Ng6 Qf7 22. Rhe1 Rd6 23. Qf3 Kd8 24. b4 Rd7 25. b5 Na5 26. Nf4 Rd6 27. Re2 Bd7 28. Bg6 Qg8 29. a4 Rc8 30. Nd3 b6 31. Nf4 Nc4 32. Bd3 Na5 33. Ng6 Be8 34. Qf4 Kd7 35. Ne5+ Ke7 36. Nf3 Bf7 37. Nd2 Qd8 38. Qf3 Kf8 39. Bb1 Rc7 40. Qd3 Ke7 41. Nf3 Nc4 42. Ba2 Na5 43. Nh4 Kd7 44. f4 Kc8 45. Rce1 Re7 46. Nf5 Kb8 47. Nxe7 Qxe7 48. f5 Qd7 49. Qf3 Nb7 50. Bb1 e5 51. dxe5 fxe5 52. Rxe5 d4 53. Qf4 dxc3 54. Re7 Bd5+ 55. Kh2 g5 56. Rxd7 gxf4 57. Re8+ 1-0

[Event "SRI-ch"]
[Site "Colombo"]
[Date "2024.03.30"]
[Round "10"]
[White "Ahangama, Senuka Aswin"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "1752"]
[BlackElo "1772"]
[PlyCount "87"]
[EventDate "2024.03.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SRI"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 Bd6 6. Nf3 c6 7. Nc3 Nbd7 8. b3 0-0 9. 0-0 Re8 10. Qc2 h6 11. Rad1 Qe7 12. Rfe1 dxc4 13. bxc4 e5 14. e4 exd4 15. Nxd4 Qf8 16. Nf5 Bb4 17. h3 Nb6 18. Ne3 Be6 19. Ne2 Bxd2 20. Rxd2 Rad8 21. Red1 Rxd2 22. Rxd2 Qb4 23. e5 Nfd7 24. f4 Qc5 25. Nd4 f6 26. f5 Qxe5 27. fxe6 Qxe3+ 28. Kh2 Nf8 29. Be4 Nxc4 30. Rd1 Ne5 31. e7 Rxe7 32. Nf5 Ng4+ 33. hxg4 Qxe4 34. Nxe7+ Qxe7 35. Qb3+ Kh7 36. Qd3+ Kg8 37. Kh3 Ne6 38. Qc4 Kh8 39. Kh2 Ng5 40. Qd3 Qe6 41. Qd8+ Kh7 42. Qd3+ Kh8 43. Qd8+ Kh7 44. Qd3+ 1/2-1/2

[Event "SRI-ch"]
[Site "Colombo"]
[Date "2024.03.30"]
[Round "11"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Amarasinghe, AACB"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "1772"]
[BlackElo "1771"]
[PlyCount "138"]
[EventDate "2024.03.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SRI"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nf6 5. Nf3 0-0 6. Bd3 Na6 7. 0-0 c5 8. d5 Bg4 9. h3 Bxf3 10. Rxf3 Nc7 11. Ne2 c4 12. Bxc4 Nxe4 13. Bd3 Nf6 14. c4 b5 15. Nc3 bxc4 16. Bxc4 Rc8 17. Qe2 Na8 18. Be3 Nb6 19. Bb3 Rxc3 20. bxc3 Nfxd5 21. Bd2 e6 22. Rd1 Ne7 23. c4 Qc7 24. Bb4 Nf5 25. Qe4 a5 26. Be1 a4 27. Bc2 Nxc4 28. Bf2 d5 29. Qe2 Nb2 30. Rd2 Nd6 31. Bd3 Qc1+ 32. Kh2 Rc8 33. Be3 Qa1 34. Rf1 Qxa2 35. Ba6 Rc6 36. Bb5 Rc7 37. Bxa4 Qxa4 38. Rxb2 Bxb2 39. Qxb2 Rc2 40. Qb8+ Nc8 41. Rf2 Rc4 42. f5 exf5 43. Bh6 Qd7 44. Qb2 f6 45. Rf4 Qd6 46. Qb5 Kf7 47. g3 Rc2+ 48. Kh1 Ne7 49. Qb3 Qc5 50. Rf1 Qc4 51. Qxc4 Rxc4 52. Kg2 g5 53. h4 gxh4 54. gxh4 Rxh4 55. Bf4 Rg4+ 56. Kf3 Ng6 57. Bg3 h5 58. Rd1 Ke6 59. Ra1 Ne5+ 60. Kf2 f4 61. Bh2 Kf5 62. Ra6 h4 63. Rd6 h3 64. Kf1 Rg2 65. Bxf4 Kxf4 66. Rxf6+ Kg3 67. Rf5 Ng4 68. Rg5 d4 69. Rg8 d3 0-1

[Event "SRI-ch"]
[Site "Colombo"]
[Date "2024.03.29"]
[Round "9"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Peiris, TSS"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1772"]
[BlackElo "1886"]
[PlyCount "85"]
[EventDate "2024.03.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SRI"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. c3 Be7 6. Nbd2 d6 7. h3 a6 8. Bb3 d5 9. Qe2 Be6 10. Bc2 b5 11. 0-0 0-0 12. Rd1 Qd6 13. d4 dxe4 14. Nxe4 Nxe4 15. Bxe4 exd4 16. Nxd4 Nxd4 17. Rxd4 Qb6 18. Bxa8 Rxa8 19. Be3 c5 20. Rd2 Qc6 21. a3 a5 22. Rad1 a4 23. Bf4 Re8 24. Qh5 Qe4 25. Be3 Qc6 26. Re1 Bd6 27. Red1 Be7 28. Rd3 Qe4 29. Bc1 Bb3 30. Re3 Bxd1 31. Qxd1 Qc6 32. Qe2 Kf8 33. Qd3 Rd8 34. Qc2 Bg5 35. Re1 Bxc1 36. Qh7 f6 37. Qh8+ Kf7 38. Qxd8 Bg5 39. Re7+ Kg6 40. Qg8 Kf5 41. Qxg7 Qd5 42. Qh7+ Kf4 43. Re3 1-0

[Event "SRI-ch"]
[Site "Colombo"]
[Date "2024.03.29"]
[Round "8"]
[White "Janukshan, B."]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1836"]
[BlackElo "1772"]
[PlyCount "96"]
[EventDate "2024.03.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SRI"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Qc2 Bd6 6. Nf3 Nbd7 7. 0-0 0-0 8. Nbd2 Re8 9. Rd1 Qe7 10. e4 Nxe4 11. Nxe4 dxe4 12. Qxe4 e5 13. Bg5 Qf8 14. d5 f5 15. Qc2 cxd5 16. Rxd5 Bc7 17. Re1 h6 18. Be3 Nf6 19. Rb5 a6 20. Rb3 Ng4 21. Bb6 Bxb6 22. Rxb6 Qc5 23. Rb3 e4 24. h3 Nf6 25. Nd2 Bd7 26. Rxb7 e3 27. Nf1 exf2+ 28. Qxf2 Qxc4 29. Rxd7 Nxd7 30. Bxa8 Rxa8 31. Qxf5 Qd4+ 32. Qf2 Qd5 33. Ne3 Qxa2 34. Rd1 Rf8 35. Nf5 Qe6 36. Rf1 Kh7 37. Qe3 Qd5 38. Ne7 Rxf1+ 39. Kxf1 Qh1+ 40. Kf2 Qh2+ 41. Kf3 Qh1+ 42. Kf2 Qb1 43. Qb3 Nf6 44. Qb4 Qd3 45. Kg2 Qe2+ 46. Kg1 Qe3+ 47. Kf1 Ne4 48. Qe1 Nxg3+ 0-1

[Event "SRI-ch"]
[Site "Colombo"]
[Date "2024.03.25"]
[Round "7"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Liyanage, Ranindu Dilshan"]
[Result "0-1"]
[ECO "C58"]
[WhiteElo "1772"]
[BlackElo "2343"]
[PlyCount "126"]
[EventDate "2024.03.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SRI"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 9. Nf3 Bd6 10. 0-0 Nf4 11. Re1 Nxd3 12. cxd3 0-0 13. Nc3 Re8 14. b3 c5 15. Ba3 Nb7 16. Ne4 Bf8 17. Rc1 Qa5 18. Bb2 f6 19. Bc3 Qd8 20. Qe2 Be6 21. Rb1 Qd7 22. Rec1 Rad8 23. Ne1 Qf7 24. Bb2 Bd5 25. Rc2 f5 26. Ng3 Bd6 27. Nf1 e4 28. d4 f4 29. Qd1 c4 30. bxc4 Bxc4 31. Ba1 Re7 32. Rbc1 Bxa2 33. Rc8 Rxc8 34. Rxc8+ Re8 35. Qc2 Bd5 36. d3 Rxc8 37. Qxc8+ Qf8 38. Qxf8+ Kxf8 39. dxe4 Bxe4 40. Nd2 Bd5 41. Bc3 a5 42. Nd3 a4 43. g3 g5 44. gxf4 gxf4 45. f3 Kf7 46. Ne4 Bc7 47. Ne5+ Bxe5 48. dxe5 Bxe4 49. fxe4 Nc5 50. Kg2 Nxe4 51. Bb2 Ke6 52. Kf3 Kf5 53. Bc1 Ng5+ 54. Kf2 Kxe5 55. h4 Ne6 56. Kf3 Kf5 57. Bb2 Nc5 58. Ba3 Nd3 59. h5 Ne5+ 60. Kf2 Ke4 61. Bd6 Nc4 62. Bf8 a3 63. Bg7 Ne5 0-1

[Event "SRI-ch"]
[Site "Colombo"]
[Date "2024.03.25"]
[Round "6"]
[White "Kodithuwakku, KK Dinujaya"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1707"]
[BlackElo "1772"]
[PlyCount "122"]
[EventDate "2024.03.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SRI"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. Nb5 Na6 5. e3 Be7 6. Nf3 0-0 7. Be2 c6 8. Nc3 c5 9. 0-0 Nh5 10. Bg5 f6 11. Ne1 cxd4 12. exd4 fxg5 13. Bxh5 Qb6 14. Rb1 Bd7 15. Nf3 Be8 16. Bxe8 Raxe8 17. Ne5 Nb8 18. Na4 Qc7 19. b4 b6 20. c3 Bd6 21. Re1 Rf5 22. g4 Rf6 23. Rc1 Ref8 24. Rc2 Nd7 25. Rce2 Bxe5 26. dxe5 Rf4 27. h3 b5 28. Nb2 Qxc3 29. Nd3 Rf3 30. Re3 Rxe3 31. Rxe3 Qc4 32. Qd2 Qd4 33. Qc2 Qc4 34. Qd2 h6 35. Qb2 Qc6 36. Qb1 Nb6 37. Nc5 Nc4 38. Re2 Qe8 39. Qd3 Rf4 40. Kg2 Qf7 41. f3 g6 42. Kg3 h5 43. Kg2 Kg7 44. Kg3 d4 45. Qb3 Kh7 46. Rf2 Kh6 47. Ne4 h4+ 48. Kh2 Nxe5 49. Nd6 Qf6 50. Nxb5 Nxf3+ 51. Kh1 Qe5 52. Qd3 Ne1 53. Qe2 Qd5+ 54. Kg1 Nf3+ 55. Kf1 d3 56. Qb2 Kh7 57. Nc3 d2 58. Nd1 Qd3+ 59. Kg2 Ne1+ 60. Kg1 Qg3+ 61. Kh1 Rxf2 0-1

[Event "SRI-ch"]
[Site "Colombo"]
[Date "2024.03.24"]
[Round "5"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Dandeniya, DDLN"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "1772"]
[BlackElo "1800"]
[PlyCount "162"]
[EventDate "2024.03.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SRI"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. h3 c6 8. a4 b6 9. Re1 a6 10. Be3 Bb7 11. Bb3 Qc7 12. Qe2 b5 13. Bd2 exd4 14. Nxd4 b4 15. Nf5 Ne5 16. Nxe7+ Qxe7 17. Nd1 c5 18. f3 Rac8 19. Ne3 g6 20. c3 Nh5 21. Nc4 Nc6 22. Nb6 Rcd8 23. Nd5 Qh4 24. Qf2 Qxf2+ 25. Kxf2 Na5 26. Bd1 Bxd5 27. exd5 Nc4 28. Bh6 Nxb2 29. Be2 bxc3 30. Bxf8 Kxf8 31. Rec1 Nf4 32. Rxc3 c4 33. Ra2 Nxd5 34. Rc1 c3 35. Ra3 a5 36. Rb3 Nxa4 37. Rb5 Nc5 38. Bc4 Nf4 39. Rxc3 a4 40. Ra5 Rb8 41. Ra7 Rb2+ 42. Kg3 Ne2+ 43. Bxe2 Rxe2 44. Rc1 Kg7 45. Rd1 Re6 46. Ra8 Kf6 47. h4 h5 48. Rd4 Ke5 49. Rd1 Re7 50. Ra5 Rc7 51. Ra8 d5 52. Rd8 Rd7 53. Rc8 Kd6 54. Rc1 Nb3 55. R8c6+ Ke5 56. Re1+ Kd4 57. Ra6 Kc3 58. Rxa4 d4 59. Ra8 d3 60. Rc8+ Kd2 61. Kf2 Nd4 62. Rcc1 Nc2 63. Red1+ Kc3 64. Rb1 Re7 65. Rb8 Re2+ 66. Kg3 Rxg2+ 67. Kf4 Na3 68. Rc8+ Nc4 69. Ra1 Rb2 70. Ra3+ Rb3 71. Ra4 Rb4 72. Ra3+ Kd2 73. Ra2+ Kd1 74. Rxc4 Rxc4+ 75. Ke3 Rc3 76. Ra1+ Kc2 77. Ra2+ Kb3 78. Ra7 Kc2 79. Ra2+ Kd1 80. Ra1+ Rc1 81. Ra2 Rc3 1/2-1/2

[Event "SRI-ch"]
[Site "Colombo"]
[Date "2024.03.24"]
[Round "4"]
[White "Senevirathne, SDBK"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "1866"]
[BlackElo "1772"]
[PlyCount "156"]
[EventDate "2024.03.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SRI"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Qg4 f5 8. Qg3 cxd4 9. cxd4 Ne7 10. a4 0-0 11. Ba3 f4 12. Qf3 Nbc6 13. c3 Rf7 14. Nh3 Ng6 15. Rc1 Bd7 16. Bd6 Qd8 17. Bd3 Qh4 18. Ng1 Nce7 19. a5 Nf5 20. Ba3 Nh6 21. Qh3 Nf5 22. g3 Qd8 23. Bb4 Nh6 24. Qh5 Be8 25. Nf3 Nf8 26. Qh3 fxg3 27. Qxg3 Nf5 28. Qg4 h6 29. Rg1 Qd7 30. h4 Rc8 31. h5 b6 32. Ra1 Rb8 33. a6 Rc8 34. Qh3 Nh7 35. Ke2 Rc7 36. Nh2 Ng5 37. Rxg5 hxg5 38. Nf3 g4 39. Qxg4 Nh6 40. Qh3 Rf4 41. Rg1 Qf7 42. Bg6 Qd7 43. Qh2 Rxf3 44. Kxf3 Bxg6 45. hxg6 Qb5 46. Qf4 Qd3+ 47. Kg2 Qxg6+ 48. Qg3 Qe4+ 49. f3 Qc2+ 50. Kh1 Rf7 51. Rg2 Qd1+ 52. Kh2 Nf5 53. Qg4 Ne3 54. Qxe6 Qxf3 55. Qc8+ Kh7 56. Qh3+ Qxh3+ 57. Kxh3 Nxg2 58. Kxg2 Kg6 59. e6 Rc7 60. Bd6 Rxc3 61. Bb8 Ra3 62. Bxa7 Rxa6 63. Bb8 Kf6 64. Be5+ Kxe6 65. Bxg7 Ra2+ 66. Kf3 Rc2 67. Ke3 b5 68. Kd3 Rc4 69. Bh6 b4 70. Bd2 Kd6 71. Bf4+ Kc6 72. Bd2 Kb5 73. Be1 Ka4 74. Bd2 Ka3 75. Be1 b3 76. Bc3 Ka2 77. Kd2 Rxc3 78. Kxc3 b2 0-1

[Event "SRI-ch"]
[Site "Colombo"]
[Date "2024.03.23"]
[Round "2"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Wijerathna, Vinuka Dihain"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1772"]
[BlackElo "1744"]
[PlyCount "109"]
[EventDate "2024.03.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SRI"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 0-0 10. Be3 Bg4 11. h3 Bh5 12. Qb3 Ne7 13. g4 Bg6 14. Nh4 c5 15. Nxg6 Nxg6 16. Nxe4 cxd4 17. Bg5 Ba5+ 18. Kf1 Qb6 19. Qxd5 h6 20. Bc1 Rad8 21. Qc5 Qxc5 22. Nxc5 Rd5 23. b4 Bxb4 24. Nd3 Rxb5 25. Rb1 Rc8 26. Bd2 a5 27. a3 Rc2 28. Be1 Nxe5 29. Nxe5 Rxe5 30. axb4 d3 31. Rd1 a4 32. Kg2 Rd5 33. Bd2 g5 34. Be3 Rb2 35. Bc5 d2 36. Ra1 Rd3 37. Rhd1 b5 38. Be3 Rxb4 39. Rxd2 Rxd2 40. Bxd2 Rb3 41. Bc1 Kg7 42. Ra3 Rb1 43. Be3 Kf6 44. Bd4+ Ke6 45. Bg7 f6 46. Rf3 b4 47. Rxf6+ Kd5 48. Ra6 a3 49. Bxh6 Kc4 50. Bf8 Kb5 51. Ra8 Ra1 52. Rb8+ Kc6 53. Rxb4 a2 54. Ra4 Kb5 55. Ra8 1-0

[Event "SRI-ch"]
[Site "Colombo"]
[Date "2024.03.23"]
[Round "3"]
[White "Bandara, Dhanushka"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1883"]
[BlackElo "1772"]
[PlyCount "107"]
[EventDate "2024.03.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SRI"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 Nc6 5. exd5 Qxd5 6. dxc5 Bxc5 7. Ngf3 Nf6 8. Bc4 Qd8 9. 0-0 0-0 10. Qe2 Re8 11. Ne4 Nxe4 12. Qxe4 Bf8 13. Bg5 Qb6 14. Bd3 f5 15. Qe2 Bd7 16. Rad1 Qc7 17. Rfe1 h6 18. Bc1 Rad8 19. b4 a6 20. Bc4 g6 21. Nh4 Kh7 22. Rd3 Re7 23. Rg3 Be8 24. Nf3 Bf7 25. Rh3 b5 26. Bb3 Rde8 27. Ng5+ Kg8 28. Nxf7 Kxf7 29. Bxh6 Bxh6 30. Rxh6 Qf4 31. Rh7+ Kf6 32. g3 Qc7 33. Rxe7 Rxe7 34. h4 e5 35. Qe3 f4 36. Qf3 e4 37. Rxe4 Rxe4 38. Qxe4 fxg3 39. Qe6+ Kg7 40. Qg8+ Kf6 41. Qf8+ Ke5 42. fxg3 Ke4 43. Bc2+ Kd5 44. Qf3+ Ke6 45. Bb3+ Kd7 46. Qg4+ Kd8 47. Qxg6 Qa7+ 48. Kg2 Qd7 49. Qg8+ Kc7 50. Qd5 Qg4 51. Bd1 Qg7 52. Bf3 Qxc3 53. Qxc6+ Qxc6 54. Bxc6 1-0

[Event "SRI-ch"]
[Site "Colombo"]
[Date "2024.03.22"]
[Round "1"]
[White "Liyanage, Pesandu Rashmitha"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "1871"]
[BlackElo "1772"]
[PlyCount "184"]
[EventDate "2024.03.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SRI"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. b3 cxd4 6. exd4 Nc6 7. 0-0 Be7 8. Bb2 0-0 9. Nbd2 b6 10. Ne5 Nxe5 11. dxe5 Nd7 12. Nf3 Nc5 13. Nd4 Nxd3 14. cxd3 Bd7 15. f4 b5 16. Qe1 Rc8 17. b4 Qb6 18. Kh1 f6 19. Qd2 fxe5 20. fxe5 Rxf1+ 21. Rxf1 Rf8 22. Rxf8+ Bxf8 23. a3 Qc7 24. Nf3 Be8 25. h3 h6 26. Bd4 a6 27. Be3 Bg6 28. Bd4 Qf7 29. Bc5 Bh5 30. Nh2 g5 31. Kg1 Bg7 32. Bd6 Bg6 33. Ng4 Qf5 34. d4 Qb1+ 35. Kh2 Qa1 36. Qe3 Qf1 37. Qf2 Qxf2 38. Nxf2 Kf7 39. g4 Bc2 40. Kg3 Kg6 41. Kf3 Kf7 42. Ke3 Ke8 43. Kd2 Bg6 44. Kc3 Kd7 45. Nd1 Be4 46. Ne3 Kc6 47. Kd2 Kd7 48. Ke1 Bd3 49. Kf2 Ke8 50. Kg3 Kf7 51. h4 Ke8 52. hxg5 hxg5 53. Nd1 Be2 54. Ne3 Bd3 55. Kf2 Bh6 56. Ke1 Be4 57. Kd2 Bf3 58. Kc3 Kd7 59. Kb3 Bg7 60. Bc5 Bh6 61. Kc3 Ke8 62. Kd2 Bg7 63. Ke1 Bh6 64. Kf2 Be4 65. Nd1 Bc2 66. Nc3 Bd3 67. a4 Kd7 68. Ke3 Bc4 69. Bd6 Bg7 70. Kf3 Bh6 71. a5 Bg7 72. Nb1 Bh6 73. Nd2 Bg7 74. Nb1 Bh6 75. Nc3 Bg7 76. Nd1 Bh6 77. Nf2 Ke8 78. Nh1 Bb3 79. Ke2 Bc4+ 80. Ke1 Kf7 81. Ng3 Bg7 82. Nh5 Bd3 83. Kd2 Be4 84. Ke3 Bc2 85. Ke2 Be4 86. Be7 Kxe7 87. Nxg7 Bg6 88. Kf3 Kf7 89. Nh5 Bxh5 90. gxh5 Kg7 91. Kg3 Kh7 92. Kh3 Kg7 1/2-1/2

[Event "Colombo Katubedda op"]
[Site "Colombo"]
[Date "2023.07.01"]
[Round "5"]
[White "Liyanage, Pesandu Rashmitha"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1893"]
[BlackElo "1464"]
[PlyCount "79"]
[EventDate "2023.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 e6 3. c4 d5 4. b3 c6 5. Bg2 Bd6 6. Bb2 Nbd7 7. d4 0-0 8. 0-0 Re8 9. Nc3 Qe7 10. a3 b6 11. Nd2 Bb7 12. Re1 Rad8 13. e4 dxe4 14. Ndxe4 Bb8 15. Qc2 Nxe4 16. Nxe4 f6 17. Re2 Qf7 18. Rae1 e5 19. dxe5 Nxe5 20. Ng5 fxg5 21. Bxe5 Bxe5 22. Rxe5 Rxe5 23. Rxe5 c5 24. Rxg5 Bxg2 25. Kxg2 Rf8 26. Qe2 h6 27. Re5 Qb7+ 28. f3 Qf7 29. Re7 Qg6 30. Rxa7 Re8 31. Qd2 Qb1 32. b4 Re1 33. Qd5+ Kh8 34. Rd7 Qc2+ 35. Kh3 cxb4 36. Rd8+ Kh7 37. Qg8+ Kg6 38. Rd6+ Kh5 39. Qf7+ g6 40. Rd5+ 1-0

[Event "Colombo Katubedda op"]
[Site "Colombo"]
[Date "2023.06.30"]
[Round "4"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Amarasinghe, AACB"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "1464"]
[BlackElo "1843"]
[PlyCount "118"]
[EventDate "2023.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. a3 a6 7. Be3 Qc7 8. Be2 b5 9. f4 b4 10. axb4 Bxb4 11. Bf3 d5 12. exd5 exd5 13. 0-0 Bxc3 14. bxc3 0-0 15. Nxc6 Qxc6 16. Bd4 Ne4 17. Qd3 a5 18. Rfb1 Ba6 19. Qe3 Rfb8 20. Re1 Bc4 21. Qc1 a4 22. f5 f6 23. Qa3 Qd6 24. Bxe4 Qxa3 25. Rxa3 dxe4 26. Rea1 Bb5 27. Rb1 Bd7 28. Rb4 Bxf5 29. Raxa4 Rxa4 30. Rxb8+ Kf7 31. Rb2 Ra1+ 32. Kf2 Rd1 33. Be3 Be6 34. Rb7+ Kg6 35. Re7 Kf5 36. Rxg7 Bc4 37. Rc7 Rf1+ 38. Kg3 Be2 39. Rxh7 Bd1 40. Rd7 Bxc2 41. Rd2 Bd3 42. Rf2+ Rxf2 43. Bxf2 Be2 44. h4 Bf1 45. Bd4 Be2 46. Be3 Bf1 47. h5 Be2 48. h6 Kg6 49. Bf4 Bc4 50. Kf2 Bg8 51. Ke3 Kf5 52. g3 Bh7 53. Kd4 Ke6 54. Kc5 f5 55. Kb5 Kd5 56. c4+ Kd4 57. c5 e3 58. c6 e2 59. Bd2 Kd5 1-0

[Event "SRI-chB"]
[Site "Colombo"]
[Date "2023.03.05"]
[Round "3"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Ilampoornan, Raguparan"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1561"]
[BlackElo "1830"]
[PlyCount "108"]
[EventDate "2023.03.04"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SRI"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. c4 Nf6 6. Nc3 0-0 7. Be3 Bg4 8. h3 Bh5 9. Be2 dxc4 10. Bxc4 Nbd7 11. 0-0 Nb6 12. Be2 c6 13. Ne5 Bxe2 14. Qxe2 Qc7 15. Nc4 Nbd5 16. Qf3 h6 17. Rfe1 Rad8 18. Rad1 Rfe8 19. Bd2 b5 20. Ne3 Nxe3 21. Rxe3 b4 22. Ne2 Nd5 23. Rd3 Re6 24. g3 Rde8 25. Nc1 a5 26. a3 bxa3 27. bxa3 a4 28. Na2 Rf6 29. Qg2 Re2 30. Rf1 Qb7 31. Nc1 Qb5 32. Rd1 Rexf2 33. Qxf2 Rxf2 34. Kxf2 Qb2 35. Ne2 Qc2 36. Bc1 Bxg3+ 37. Kf3 Bd6 38. R1d2 Qc4 39. Bb2 Nf6 40. Nc3 Qe6 41. Kf2 Qf5+ 42. Ke2 Nh5 43. Rf3 Nf4+ 44. Ke3 Qe6+ 45. Kf2 Nxh3+ 46. Kf1 Qg4 47. Rfd3 Qg1+ 48. Ke2 Nf4+ 49. Kf3 Qf1+ 50. Ke3 Nxd3 51. Rxd3 Bf4+ 52. Ke4 f5+ 53. Kxf5 Bg5+ 54. Kg4 Qxd3 0-1

[Event "SRI-chB"]
[Site "Mount Lavinia"]
[Date "2022.03.16"]
[Round "2"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Amarasinghe, AACB"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1401"]
[BlackElo "1844"]
[PlyCount "84"]
[EventDate "2022.03.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "SRI"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. Bd3 Ng4 6. Nf3 Nc6 7. a3 0-0 8. Qe2 Nxe3 9. fxe3 e5 10. d5 Ne7 11. 0-0-0 c6 12. dxc6 bxc6 13. Bc4 Rb8 14. Qd2 d5 15. exd5 e4 16. Nd4 cxd5 17. Bb3 Bg4 18. Rdf1 Qb6 19. h3 Bd7 20. Rd1 a5 21. a4 Rfc8 22. Rhf1 Be8 23. Ndb5 Bxb5 24. Nxb5 Rc5 25. Qf2 f5 26. c3 Rxb5 27. axb5 Qxb5 28. Ba2 f4 29. Qc2 fxe3 30. Rfe1 a4 31. Re2 Kh8 32. g4 d4 33. c4 Qe5 34. Rg2 d3 35. Rxd3 exd3 36. Qxd3 Nc6 37. Bb1 Nd4 38. Rg1 e2 39. Kd2 Rxb2+ 40. Ke1 Nf3+ 41. Kf2 e1Q+ 42. Kxf3 Qf2# 0-1

[Event "Asia-ch U20"]
[Site "Waskaduwa"]
[Date "2021.12.22"]
[Round "8"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Liyanage, Pesandu Rashmitha"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1319"]
[BlackElo "1827"]
[PlyCount "112"]
[EventDate "2021.12.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRI"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bd3 g6 7. h3 Bg7 8. Nde2 Nc6 9. 0-0 0-0 10. Be3 b5 11. a3 Bb7 12. Qd2 Re8 13. Rae1 e6 14. Ng3 Qc7 15. Bh6 Bh8 16. f4 d5 17. e5 Nd7 18. Bg5 Bg7 19. Nh1 Rac8 20. Kh2 Na5 21. Nd1 Nc4 22. Qf2 Qc5 23. Qh4 Qd4 24. Rf3 a5 25. Nhf2 b4 26. axb4 axb4 27. c3 bxc3 28. bxc3 Qc5 29. Ng4 Qf8 30. Rg3 Ra8 31. Bxc4 dxc4 32. Nde3 Ra2 33. Nxc4 h5 34. Nd6 hxg4 35. Nxb7 Rb8 36. Be7 Qc8 37. Nd6 Qc6 38. Qxg4 Rbb2 39. Ne4 Rc2 40. Bb4 Nxe5 41. Nf6+ Bxf6 42. fxe5 Bh4 43. Ree3 Bxg3+ 44. Rxg3 Re2 45. Qg5 Qe4 46. Bd6 Qf5 47. Qd8+ Kh7 48. Qh4+ Kg7 49. c4 Qf1 50. Qg5 Ra1 51. Rg4 Qh1+ 52. Kg3 Qxg2+ 53. Kh4 Qf2+ 54. Rg3 Re4+ 55. Qg4 Rxg4+ 56. Kxg4 Qf5+ 0-1

[Event "Asia-ch U20"]
[Site "Waskaduwa"]
[Date "2021.12.20"]
[Round "6"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Tennakoon, Lisara Samadhith"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1319"]
[BlackElo "1579"]
[PlyCount "85"]
[EventDate "2021.12.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRI"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Qa5 5. Ba4 b5 6. Bc2 Bb7 7. 0-0 Ngf6 8. Re1 e6 9. d4 cxd4 10. cxd4 Be7 11. a3 a6 12. Bd2 Qc7 13. Bc3 Rc8 14. Bd3 0-0 15. Nbd2 Rfe8 16. Rc1 Qb8 17. h3 Qa8 18. Nh2 Nf8 19. Ng4 Ng6 20. Nxf6+ Bxf6 21. Nf3 Nf4 22. Bb1 e5 23. d5 a5 24. Qd2 Bd8 25. g3 Nh5 26. Bd3 f5 27. Bxb5 Re7 28. Bd3 Nf6 29. exf5 Bxd5 30. Nh2 Bb6 31. Rcd1 Bh1 32. Bf1 Ne4 33. Rxe4 Bxe4 34. Qxd6 Qa7 35. Rd2 Rc6 36. Bxe5 Rxd6 37. Bxd6 Rd7 38. Bc4+ Kh8 39. Be6 Bxf2+ 40. Kf1 Qe3 41. Rxf2 Rxd6 42. Kg1 Rd1+ 43. Nf1 0-1

[Event "Asia-ch U20"]
[Site "Waskaduwa"]
[Date "2021.12.19"]
[Round "4"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Jayawardana, Chenuka Nethvidu"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "1319"]
[BlackElo "1479"]
[PlyCount "89"]
[EventDate "2021.12.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRI"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 d6 6. Be2 Nc6 7. 0-0 Nf6 8. Be3 Bd7 9. Kh1 Nxd4 10. Bxd4 e5 11. Be3 Bc6 12. Nd5 Bxd5 13. exd5 Qa5 14. c4 h6 15. a3 g5 16. b4 Qd8 17. Rc1 Be7 18. Qb3 0-0 19. Rfd1 Qd7 20. h3 Nh7 21. c5 f5 22. c6 Qc8 23. a4 Nf6 24. b5 f4 25. Bd2 Ne4 26. Be1 Nf6 27. b6 Rf7 28. cxb7 Qxb7 29. Rc7 Qb8 30. Rdc1 Bd8 31. Rxf7 Kxf7 32. b7 Ra7 33. Bxa6 Nd7 34. Rc8 Rxa6 35. Rxb8 Nxb8 36. Qc4 Rb6 37. Qc8 Rb1 38. Qxb8 Bb6 39. Kh2 Rxe1 40. Qg8+ Kxg8 41. b8Q+ Kf7 42. Qxb6 e4 43. Qxd6 e3 44. Qe6+ Kg7 45. fxe3 1-0

[Event "Asia-ch U20"]
[Site "Waskaduwa"]
[Date "2021.12.19"]
[Round "5"]
[White "Saravanabaavan, Brijeash"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1525"]
[BlackElo "1319"]
[PlyCount "100"]
[EventDate "2021.12.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRI"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nf6 6. Nge2 0-0 7. 0-0 h6 8. Ng3 Re8 9. Nce2 Ne4 10. c3 Bf8 11. Qc2 Nf6 12. Nf5 Nc6 13. Neg3 Be6 14. Bd2 Qd7 15. Rfe1 Ne7 16. h3 Nxf5 17. Nxf5 Rac8 18. Be3 a6 19. f3 c5 20. dxc5 Bxc5 21. Bxc5 Rxc5 22. Nd4 Rec8 23. Qe2 Re8 24. Qf2 Rcc8 25. Re5 Qd6 26. Rae1 Bd7 27. f4 Kf8 28. Kh1 g6 29. Qh4 Kg7 30. Qf2 Rh8 31. Nf3 Nh5 32. Qd4 Qf6 33. Re7 Bc6 34. Ne5 Rhf8 35. Bxg6 Nxf4 36. Bxf7 Qxe7 37. Nd7+ Kxf7 38. Rxe7+ Kxe7 39. Nxf8 Rxf8 40. Qg7+ Rf7 41. Qxh6 d4 42. cxd4 Bxg2+ 43. Kh2 Bxh3 44. Qb6 Bg2 45. Qc5+ Kd7 46. Kg3 Bd5 47. b3 Ne2+ 48. Kh4 Nf4 49. Kg3 Ne2+ 50. Kh4 Nf4 1/2-1/2

[Event "Asia-ch U20"]
[Site "Waskaduwa"]
[Date "2021.12.18"]
[Round "3"]
[White "Al Shamsi, Hamad Naseer"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1667"]
[BlackElo "1319"]
[PlyCount "137"]
[EventDate "2021.12.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRI"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Be7 8. 0-0 0-0 9. Nf3 f6 10. exf6 Nxf6 11. Nf4 cxd4 12. cxd4 Bd6 13. Re1 Re8 14. Ng5 e5 15. dxe5 Nxe5 16. Bb5 Nc6 17. Rxe8+ Qxe8 18. Nxd5 Qe5 19. Nxf6+ gxf6 20. Bc4+ Kg7 21. Nf3 Qc5 22. Bb3 Bc7 23. Bd5 Bg4 24. Qd2 Qd6 25. Be4 Qe7 26. Qe3 Re8 27. Bxc6 bxc6 28. Qxe7+ Rxe7 29. Be3 Bxf3 30. gxf3 Be5 31. Rc1 Bxb2 32. Rxc6 Be5 33. Rc8 Rb7 34. f4 Bc7 35. Re8 Kf7 36. Re4 a5 37. Kg2 Bd6 38. Kf3 f5 39. Rd4 Ke6 40. Bd2 Rb2 41. Bxa5 Rxa2 42. Bb4 Ra4 43. Rxd6+ Kf7 44. Bd2 Rc4 45. Be3 Rc3 46. Ke2 Ra3 47. Bd4 Ra2+ 48. Kf3 Ra3+ 49. Kg2 Ra4 50. Be5 Ra8 51. Rf6+ Ke7 52. Rxf5 Ke6 53. Rf6+ Kd5 54. Rh6 Ra7 55. Rd6+ Kc4 56. Rc6+ Kd5 57. Rc7 Ra8 58. Rxh7 Ke4 59. Rh3 Kf5 60. Rg3 Ra6 61. Rg5+ Ke4 62. f3+ Ke3 63. f5 Ra2+ 64. Kg3 Rc2 65. f6 Rc8 66. f7 Rf8 67. Rf5 Kd3 68. Bg7 Rxf7 69. Rxf7 1-0

[Event "Asia-ch U20"]
[Site "Waskaduwa"]
[Date "2021.12.17"]
[Round "2"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Upeksha, LH Ishitha"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1319"]
[BlackElo "1017"]
[PlyCount "39"]
[EventDate "2021.12.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRI"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. 0-0 0-0 7. h3 h6 8. Nc3 c6 9. Be3 Be6 10. Qd2 Nbd7 11. Rfe1 Re8 12. Re2 Qc7 13. Rae1 Re7 14. Bxh6 gxh6 15. Qxh6 Ne4 16. Nxe4 dxe4 17. Bxe4 Nf8 18. Qg5+ Ng6 19. Bxg6 Bf4 20. Qh5 1-0

[Event "Asia-ch U20"]
[Site "Waskaduwa"]
[Date "2021.12.17"]
[Round "1"]
[White "Raahul, VS."]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2387"]
[BlackElo "1319"]
[PlyCount "67"]
[EventDate "2021.12.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRI"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. cxd5 exd5 5. e5 Ng8 6. d4 Be6 7. Bd3 Nd7 8. Nge2 Bb4 9. 0-0 Qe7 10. f4 g6 11. f5 gxf5 12. Ng3 0-0-0 13. Nxf5 Qf8 14. Bg5 Ne7 15. Qa4 Nc6 16. Bxd8 Qxd8 17. Nb5 a6 18. Na7+ Nxa7 19. Qxb4 Nc6 20. Qc3 Qg5 21. Rf3 Ndb8 22. b4 h5 23. h4 Qd8 24. a4 Qf8 25. b5 Nb4 26. Nd6+ Kd7 27. Qxb4 cxd6 28. bxa6 dxe5 29. Qxb7+ Kd6 30. dxe5+ Kxe5 31. Qc7+ Kd4 32. Rf4+ Kxd3 33. Rd1+ Ke2 34. Qc2+ 1-0

[Event "Asian Academies Hybrid Chess-ch"]
[Site "Tornelo INT"]
[Date "2021.11.26"]
[Round "6.1"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Babaei, Amir Hossein"]
[Result "0-1"]
[ECO "B19"]
[WhiteElo "1353"]
[BlackElo "1286"]
[PlyCount "114"]
[EventDate "2021.11.21"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Sri Lanka CA"]
[BlackTeam "Pishgam Novin"]
[WhiteTeamCountry "SRI"]
[BlackTeamCountry "IRI"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bd3 Bxd3 9. Qxd3 Qc7 10. Bd2 0-0-0 11. 0-0-0 e6 12. Rhe1 Kb8 13. Kb1 a6 14. Qb3 Ngf6 15. c4 Be7 16. Bc3 Ng4 17. Qc2 Rhe8 18. c5 g6 19. Ne4 Qf4 20. Rd3 Ndf6 21. Nxf6 Bxf6 22. g3 Qf5 23. Re2 e5 24. Ne1 exd4 25. Bd2 Rxe2 26. Bf4+ Qxf4 27. Qxe2 Qxf2 28. Qxg4 Qxe1+ 29. Rd1 Qe5 30. Rd3 Re8 31. a3 Qf5 32. Qd1 Re3 33. Kc2 Qxd3+ 34. Qxd3 Rxd3 35. Kxd3 Kc7 36. b4 Kd7 37. Ke4 Ke6 38. a4 h5 39. a5 Be5 40. Kf3 Kd5 41. g4 d3 42. gxh5 gxh5 43. Ke3 Kc4 44. Ke4 d2 45. Kxe5 d1Q 46. Kf6 Qf3+ 47. Ke7 Qd3 48. Kxf7 Qd4 49. Ke7 Kxb4 50. Kf7 Qxh4 51. Ke8 Qd4 52. Kf7 h4 53. Ke6 h3 54. Kf5 h2 55. Kg6 Qf2 56. Kg5 h1R 57. Kg6 Rg1+ 0-1

[Event "Asian Academies Hybrid Chess-ch"]
[Site "Tornelo INT"]
[Date "2021.11.25"]
[Round "5.1"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Sakline Mostafa, Sajid"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1353"]
[BlackElo "1988"]
[PlyCount "138"]
[EventDate "2021.11.21"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Sri Lanka CA"]
[BlackTeam "Elegant Int CA"]
[WhiteTeamCountry "SRI"]
[BlackTeamCountry "BAN"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Bf4 d6 7. Bb5 Bd7 8. Be3 a6 9. Bd3 Be7 10. Nxc6 Bxc6 11. f4 d5 12. exd5 Nxd5 13. Nxd5 Qxd5 14. Rg1 Bf6 15. c3 Rd8 16. Be2 Qxg2 17. Qxd8+ Kxd8 18. Rxg2 Bxg2 19. 0-0-0+ Kc7 20. Bd3 g6 21. a4 a5 22. Bf2 h5 23. Kc2 Rd8 24. Rd2 Bf3 25. b4 axb4 26. cxb4 Bd5 27. a5 Kb8 28. Bb6 Rc8+ 29. Kd1 Bc3 30. Rf2 Bb3+ 31. Bc2 Bxc2+ 32. Rxc2 Bxb4 33. Ba7+ Kxa7 34. Rxc8 Bd6 35. Rc4 Ka6 36. Rd4 Bb8 37. Rd7 Bxf4 38. Rxf7 Bxh2 39. Rf6 g5 40. Rxe6+ Kxa5 41. Re2 Bf4 42. Ra2+ Kb5 43. Rb2+ Kc6 44. Rc2+ Kd5 45. Rb2 Kc6 46. Rc2+ Kd7 47. Rb2 Kc7 48. Rc2+ Kb8 49. Ke2 b6 50. Kf3 Kb7 51. Ke4 b5 52. Rc3 Kb6 53. Kd5 h4 54. Rb3 Bg3 55. Ke4 Kc5 56. Rc3+ Kb4 57. Rc1 Bf4 58. Rb1+ Kc4 59. Ra1 b4 60. Ra7 b3 61. Ra6 b2 62. Rb6 Kc3 63. Rc6+ Kd2 64. Rb6 Kc1 65. Rc6+ Kb1 66. Kd3 h3 67. Kc3 h2 68. Rh6 Kc1 69. Re6 h1Q 0-1

[Event "Asian Academies Hybrid Chess-ch"]
[Site "Tornelo INT"]
[Date "2021.11.24"]
[Round "4.1"]
[White "Naimanov, Galymzhan"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "1256"]
[BlackElo "1353"]
[PlyCount "91"]
[EventDate "2021.11.21"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Nur Sultan CA"]
[BlackTeam "Sri Lanka CA"]
[WhiteTeamCountry "KAZ"]
[BlackTeamCountry "SRI"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Bd6 6. Bg2 Nge7 7. 0-0 0-0 8. Re1 Ng6 9. h4 f5 10. Nf1 f4 11. h5 Nge5 12. gxf4 Nxf3+ 13. Bxf3 Bxf4 14. Bxf4 Rxf4 15. Ng3 Ne5 16. Be2 d4 17. Kg2 Qf6 18. Rf1 Bd7 19. f3 Rf8 20. Rf2 Ng4 21. fxg4 Rxf2+ 22. Kg1 Qh4 23. Nf1 Rh2 24. Nxh2 Qg3+ 25. Kh1 Rf2 26. Qg1 Qxg1+ 27. Kxg1 Rxe2 28. Rc1 e5 29. Nf3 Bxg4 30. Nxe5 Bxh5 31. c3 dxc3 32. Rxc3 b6 33. b4 Rxa2 34. bxc5 bxc5 35. Rxc5 g5 36. Nd7 Be2 37. Rxg5+ Kf7 38. Rg2 a5 39. Kh2 Rc2 40. Nc5 Rxc5 41. Rxe2 a4 42. Ra2 Ra5 43. Ra3 Ke6 44. Kg3 Ke5 45. Kf3 h5 46. Ke3 1/2-1/2

[Event "Asian Academies Hybrid Chess-ch"]
[Site "Tornelo INT"]
[Date "2021.11.23"]
[Round "3.1"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Kazi Afsan Rawnak, Anan"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1353"]
[BlackElo "1410"]
[PlyCount "70"]
[EventDate "2021.11.21"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Sri Lanka CA"]
[BlackTeam "Basir Memorial CA"]
[WhiteTeamCountry "SRI"]
[BlackTeamCountry "BAN"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nf6 6. Re1 e5 7. c3 Nc6 8. d4 cxd4 9. cxd4 Be7 10. Nc3 0-0 11. d5 Nb4 12. Nh4 Qg4 13. Nf5 Rfe8 14. Qd2 Rac8 15. Re3 Nh5 16. Rh3 Kh8 17. a3 Na6 18. Qe1 Nc5 19. f3 Qg6 20. Nxe7 Rxe7 21. Qh4 Nf6 22. Bd2 Nb3 23. Rd1 Nxd2 24. Rxd2 Rec7 25. g4 Nd7 26. Qf2 a6 27. Rg3 Qg5 28. Kg2 Nb6 29. h4 Qf4 30. Re2 Nc4 31. Kh3 Nxb2 32. Rxb2 Rxc3 33. Rxb7 Rxa3 34. Qb2 Rxf3 35. Rb3 Qxg3# 0-1

[Event "Asian Academies Hybrid Chess-ch"]
[Site "Tornelo INT"]
[Date "2021.11.22"]
[Round "2.1"]
[White "Khaled Waleed, Abdullah"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "1568"]
[BlackElo "1353"]
[PlyCount "60"]
[EventDate "2021.11.21"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Aden"]
[BlackTeam "Sri Lanka CA"]
[WhiteTeamCountry "YEM"]
[BlackTeamCountry "SRI"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 cxd4 8. Qxg7 Rg8 9. Qxh7 Qc7 10. Ne2 dxc3 11. f4 Nbc6 12. Qd3 Bd7 13. Rb1 Nf5 14. Nxc3 a6 15. g4 Rxg4 16. Bh3 Nxe5 17. fxe5 Qxe5+ 18. Ne2 Re4 19. Rb4 Rxb4 20. axb4 Bb5 21. Bf4 Qh8 22. Qc3 Qh4+ 23. Kd2 d4 24. Qf3 Bxe2 25. Kxe2 d3+ 26. Kd2 Nd4 27. Qg4 Qf2+ 28. Kxd3 Qxc2+ 29. Ke3 Nf5+ 30. Kf3 Nd4+ 1/2-1/2

[Event "Asia Club-ch Hybrid"]
[Site "Tornelo INT"]
[Date "2021.11.05"]
[Round "3.1"]
[White "Akrami, Tohid"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "1075"]
[BlackElo "1353"]
[PlyCount "180"]
[EventDate "2021.11.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]
[WhiteTeam "Pishgam Novin"]
[BlackTeam "Super Knight CC II"]
[WhiteTeamCountry "IRI"]
[BlackTeamCountry "SRI"]

1. d4 Nf6 2. c4 e6 3. Bg5 d5 4. e3 Bb4+ 5. Nc3 0-0 6. Nf3 h6 7. Bh4 c5 8. Bd3 dxc4 9. Bxc4 Qa5 10. Qc2 Ne4 11. Rc1 cxd4 12. exd4 Nxc3 13. bxc3 Ba3 14. Rb1 Nc6 15. Rb5 Qc7 16. Bg3 Bd6 17. Rh5 Ne7 18. Bxd6 Qxd6 19. g4 Qc6 20. Be2 Nd5 21. Kd2 Nf4 22. Rc5 Qd6 23. Bd3 b6 24. Re5 f6 25. Re3 Ng2 26. Re2 Qf4+ 27. Kd1 Qxf3 28. Be4 Qxg4 29. Bxa8 Ba6 30. Bxg2 Qxg2 31. Ree1 Rc8 32. Qe4 Qxe4 33. Rxe4 Bb7 34. Rhe1 Bxe4 35. Rxe4 Rxc3 36. Rxe6 Rd3+ 37. Ke2 Rxd4 38. Re3 Rd5 39. Kf1 a5 40. Rb3 b5 41. Rc3 b4 42. Rb3 Rd1+ 43. Kg2 Ra1 44. Rb2 Kf7 45. Re2 a4 46. Rb2 a3 47. Rxb4 Rxa2 48. Ra4 Ra1 49. Ra6 Kg6 50. Kf3 a2 51. Ra5 Rh1 52. Rxa2 Rxh2 53. Ra7 Rh5 54. Kg4 Rg5+ 55. Kh4 Kf5 56. Ra5+ Kf4 57. Ra3 g6 58. Kh3 h5 59. Kh4 Rg2 60. Kh3 Rxf2 61. Ra6 Kg5 62. Ra5+ f5 63. Kg3 Rb2 64. Ra3 h4+ 65. Kh3 Kh5 66. Rf3 Rb5 67. Rf4 g5 68. Rf1 g4+ 69. Kg2 Rb2+ 70. Kg1 Kg5 71. Rc1 h3 72. Rc3 f4 73. Rc5+ Kh4 74. Rc4 Kg3 75. Rc3+ f3 76. Rc1 Re2 77. Ra1 f2+ 78. Kf1 Re1+ 79. Rxe1 fxe1Q+ 80. Kxe1 Kg2 81. Ke2 h2 82. Ke3 h1Q 83. Kf4 g3 84. Ke5 Kf2 85. Kd4 g2 86. Ke5 g1Q 87. Kd6 Qh6+ 88. Kd5 Qd1+ 89. Ke4 Qe6+ 90. Kf4 Qdg4# 0-1

[Event "Asia Club-ch Hybrid"]
[Site "Tornelo INT"]
[Date "2021.11.03"]
[Round "1.1"]
[White "Tin, Jingyao"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2485"]
[BlackElo "1353"]
[PlyCount "93"]
[EventDate "2021.11.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]
[WhiteTeam "SG Chess Hub"]
[BlackTeam "Super Knight CC II"]
[WhiteTeamCountry "SIN"]
[BlackTeamCountry "SRI"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 0-0 7. e3 h6 8. Bh4 Re8 9. Bd3 Nc6 10. 0-0 Be7 11. Rc1 Be6 12. a3 Qd7 13. Qc2 Rad8 14. Na4 Bg4 15. Nd2 Qc8 16. b4 Bd6 17. Bxf6 gxf6 18. Bb5 Bf5 19. Qc3 Bd7 20. Nc5 Bxc5 21. Qxc5 Kg7 22. Bd3 a6 23. Qxd5 Rg8 24. Qe4 f5 25. Qf4 Be6 26. Nf3 Rd6 27. Rc5 b6 28. Rc2 Bd7 29. Nh4 Rf6 30. Rfc1 Qd8 31. d5 Ne7 32. Qe5 Re8 33. Rxc7 Bc8 34. Qd4 Nxd5 35. Rxc8 Qxc8 36. Rxc8 Rxc8 37. Qxd5 Rc1+ 38. Bf1 Rc3 39. Nxf5+ Kg6 40. Ne7+ Kg7 41. Qe5 Rc1 42. Nd5 Rcc6 43. Nxf6 Rxf6 44. Bd3 b5 45. g4 a5 46. bxa5 b4 47. axb4 1-0

[Event "Eastern Asia-ch U16"]
[Site "Tornelo INT"]
[Date "2021.10.31"]
[Round "8"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Velarde, Jerish John"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1071"]
[BlackElo "1697"]
[PlyCount "116"]
[EventDate "2021.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 0-0 6. h3 a6 7. f4 b5 8. a3 Bb7 9. Bd3 Nbd7 10. Nf3 Rc8 11. 0-0 c5 12. e5 Bxf3 13. exf6 Bxf6 14. dxc5 Bb7 15. cxd6 exd6 16. Rad1 Re8 17. Bf2 Qc7 18. f5 Qc6 19. Be1 d5 20. fxg6 hxg6 21. Qf2 Re7 22. Be2 d4 23. Bf3 Qc7 24. Bxb7 Qxb7 25. Nb1 Qe4 26. c3 Rc5 27. g4 Bg5 28. Bd2 Be3 29. Bxe3 dxe3 30. Qe2 f5 31. Rd4 Qe6 32. g5 Rd5 33. Rdf4 Qb6 34. h4 Rd2 35. Nxd2 exd2+ 36. Qf2 Re1 37. Qxb6 Nxb6 38. Rd4 Nc4 39. Kf2 Rxf1+ 40. Kxf1 d1R+ 41. Rxd1 Ne3+ 42. Ke2 Nxd1 43. Kxd1 Kf7 44. Ke2 Ke6 45. b3 Kd5 46. Ke3 a5 47. Kf4 Ke6 48. c4 a4 49. bxa4 bxc4 50. a5 c3 51. Ke3 f4+ 52. Kd3 f3 53. a6 f2 54. Ke2 c2 55. a7 f1Q+ 56. Kxf1 c1Q+ 57. Ke2 Qc6 58. a8Q Qxa8 0-1

[Event "Eastern Asia-ch U16"]
[Site "Tornelo INT"]
[Date "2021.10.31"]
[Round "7"]
[White "Biriya, Mohammadamin"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1616"]
[BlackElo "1071"]
[PlyCount "124"]
[EventDate "2021.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Nd2 Bd6 5. Bg3 Nc6 6. Ngf3 Ne4 7. Nxe4 dxe4 8. Nd2 f5 9. Bxd6 Qxd6 10. Nc4 Qe7 11. Qd2 Bd7 12. Be2 0-0-0 13. 0-0-0 Be8 14. Qc3 Bf7 15. Rd2 Rd5 16. Rhd1 Rhd8 17. f3 h6 18. Qb3 e5 19. fxe4 fxe4 20. dxe5 Rxd2 21. Rxd2 Rxd2 22. Kxd2 Nxe5 23. Qc3 Bxc4 24. Bxc4 Ng4 25. h3 Nf6 26. Kc1 a6 27. a3 Qd6 28. Kb1 Kb8 29. Bb3 Qg3 30. Qd2 Qe5 31. Ka2 Qe7 32. Qd4 c5 33. Qc3 Ka7 34. a4 Qd6 35. Qc4 Qd7 36. Qxc5+ Kb8 37. Qf8+ Ka7 38. Qc5+ Kb8 39. g4 Ne8 40. Qe5+ Nd6 41. c4 Ka7 42. c5 Ne8 43. Qxe4 Nf6 44. Qd4 Qc6 45. Bc2 Kb8 46. e4 Nd7 47. b4 Qe6+ 48. Bb3 Qe7 49. Qd6+ Qxd6 50. cxd6 Ne5 51. Be6 b5 52. axb5 axb5 53. Kb3 Kb7 54. Kc3 Kc6 55. d7 Kc7 56. Kd4 Nf3+ 57. Kc5 Ng5 58. Bf5 Nxh3 59. e5 Nf4 60. e6 g6 61. e7 gxf5 62. d8Q+ Kb7 1-0

[Event "Eastern Asia-ch U16"]
[Site "Tornelo INT"]
[Date "2021.10.31"]
[Round "9"]
[White "Li, Shing Hei"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "1342"]
[BlackElo "1071"]
[PlyCount "120"]
[EventDate "2021.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Nc6 5. Bg2 Ne4 6. Qc2 Be7 7. 0-0 0-0 8. a3 f5 9. Nc3 Bf6 10. Rd1 Ne7 11. cxd5 exd5 12. Ne5 c6 13. f3 Nd6 14. Be3 b5 15. a4 a5 16. axb5 cxb5 17. Qb3 Be6 18. Nd3 Nc4 19. Bf2 b4 20. Na4 Bf7 21. Ndc5 Nc6 22. Bf1 Rc8 23. e4 fxe4 24. fxe4 Be7 25. e5 Bxc5 26. Nxc5 Re8 27. Bh3 Ra8 28. e6 Bg6 29. Bf1 Nb6 30. Bb5 Qd6 31. Be3 Rxe6 32. Nxe6 Qxe6 33. Rac1 Ne7 34. Re1 Nf5 35. Rc6 Qe4 36. Bf2 Nxd4 37. Rxe4 Nxb3 38. Re7 Nc8 39. Rec7 Bf5 40. Ba4 Nd2 41. Bc2 Bh3 42. Be3 Nf3+ 43. Kh1 Ne5 44. Rc5 Bg4 45. Bf4 Nc4 46. Kg2 Be6 47. b3 Na3 48. Be5 Nxc2 49. Rxg7+ Kf8 50. Rxc2 a4 51. Rf2+ Ke8 52. bxa4 Rxa4 53. Rxh7 b3 54. Rb7 d4 55. Rb8 Kd7 56. Rd2 Ra2 57. Rxa2 bxa2 58. Bxd4 Nd6 59. h4 Nf5 60. Rb4 Kc6 1/2-1/2

[Event "Eastern Asia-ch U16"]
[Site "Tornelo INT"]
[Date "2021.10.30"]
[Round "6"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Tavazoh, Amirparsa"]
[Result "0-1"]
[ECO "B19"]
[WhiteElo "1071"]
[BlackElo "1569"]
[PlyCount "46"]
[EventDate "2021.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bd3 Bxd3 9. Qxd3 e6 10. Bd2 Ngf6 11. 0-0-0 Bd6 12. Ne4 Nxe4 13. Qxe4 Nf6 14. Qe2 Bc7 15. Rdg1 Qd5 16. Kb1 0-0-0 17. Be3 h5 18. Bg5 Rd7 19. Bxf6 gxf6 20. Rc1 Rg8 21. g3 c5 22. Rhd1 Rgd8 23. dxc5 Qxd1 0-1

[Event "Eastern Asia-ch U16"]
[Site "Tornelo INT"]
[Date "2021.10.30"]
[Round "4"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Vu, Hoang Gia Bao"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "1071"]
[BlackElo "1737"]
[PlyCount "98"]
[EventDate "2021.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. 0-0 e5 6. Re1 Nge7 7. d3 0-0 8. Be3 d6 9. Nbd2 b6 10. Bg5 Qc7 11. Nf1 h6 12. Be3 d5 13. exd5 Nxd5 14. Bd2 Bb7 15. Ng3 a6 16. Bc4 Rad8 17. Qc1 Kh7 18. Re4 Nf4 19. Bxf4 exf4 20. Rxf4 b5 21. Bb3 Rxd3 22. Rh4 Qd8 23. Bc2 Rxf3 24. Re4 Rf6 25. Nh5 Re6 26. Rf4 Kg8 27. Nxg7 Kxg7 28. h3 Ne5 29. Qf1 Qg5 30. g3 Nf3+ 31. Rxf3 Bxf3 32. Kh2 Qe5 33. Qg1 Rd8 34. Rc1 Rd2 35. Bb1 Qe2 36. Rf1 Rd1 37. Rxd1 Qxd1 38. Qxd1 Bxd1 39. Bd3 c4 40. Bf1 Re1 41. Bg2 Re2 42. Kg1 Rxb2 43. Bb7 Rxa2 44. Kf1 Bc2 45. Kg2 f5 46. Kf1 Bd3+ 47. Ke1 b4 48. cxb4 c3 49. Bd5 Ra1# 0-1

[Event "Eastern Asia-ch U16"]
[Site "Tornelo INT"]
[Date "2021.10.30"]
[Round "5"]
[White "Loo, Pin Xie"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "1593"]
[BlackElo "1071"]
[PlyCount "116"]
[EventDate "2021.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 dxc4 5. Bxc4 Bd6 6. Ne2 Nf6 7. 0-0 0-0 8. Nbc3 Nc6 9. h3 h6 10. Be3 Bf5 11. Qd2 Re8 12. a3 a6 13. Rad1 Qd7 14. Bf4 Bf8 15. Bd3 Ne4 16. Nxe4 Bxe4 17. Nc3 Bxd3 18. Qxd3 Rad8 19. d5 Ne7 20. Qf3 Ng6 21. Be3 Bd6 22. Bd4 Be5 23. Bxe5 Rxe5 24. Rfe1 Rg5 25. Re4 f5 26. Red4 f4 27. Kh1 Nh4 28. Qxf4 Nxg2 29. Qh2 Qf5 30. Rg1 Qxf2 31. Re4 Rf8 32. Re2 Qf3 33. Rexg2 Rh5 34. h4 Rf4 35. Qxf4 Qxf4 36. Rxg7+ Kf8 37. Rg8+ Ke7 38. R1g7+ Kd6 39. Rg6+ Kc5 40. Rg4 Rxh4+ 41. Rxh4 Qxh4+ 42. Kg2 Qd4 43. Kh2 Qf4+ 44. Kh3 Kb6 45. Rg4 Qf1+ 46. Kh2 Ka7 47. Rg2 h5 48. Ne2 Qf6 49. Nc3 h4 50. Rg4 Qf2+ 51. Rg2 Qf3 52. a4 h3 53. Re2 Kb6 54. Rc2 Qd3 55. Rf2 Ka7 56. Rf7 Kb6 57. Rf6+ Kc5 58. Rf7 Qd2+ 0-1

[Event "Eastern Asia-ch U16"]
[Site "Tornelo INT"]
[Date "2021.10.29"]
[Round "2"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Lam, Theodore Lukas"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1071"]
[BlackElo "1435"]
[PlyCount "117"]
[EventDate "2021.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 Ng4 6. Nf3 Nxe3 7. fxe3 Nc6 8. Bd3 0-0 9. 0-0 e5 10. d5 Ne7 11. Rf2 c6 12. Raf1 a6 13. dxc6 bxc6 14. Bc4 Rb8 15. Ng5 d5 16. Nxf7 Qa5 17. exd5 cxd5 18. Nxd5 Qc5 19. Nxe7+ Qxe7 20. Nh6+ Kh8 21. Rxf8+ Bxf8 22. Qd5 Be6 23. Qxe5+ Qg7 24. Qxb8 Qxh6 25. Rxf8+ Kg7 26. Qf4 g5 27. Rf7+ Kg8 28. Bxe6 Qxe6 29. Rf8+ Kg7 30. Qf2 Qe7 31. Rf5 h6 32. g4 Qd7 33. Rf7+ Qxf7 34. Qxf7+ Kxf7 35. Kf2 Ke6 36. c4 Kd6 37. b4 Kc6 38. Kf3 Kb6 39. a4 Kc6 40. e4 Kd6 41. b5 a5 42. Ke3 Kc5 43. e5 Kb6 44. e6 Kc7 45. c5 Kc8 46. b6 Kd8 47. b7 Kc7 48. e7 h5 49. gxh5 g4 50. b8Q+ Kxb8 51. e8Q+ Kc7 52. Qe7+ Kc6 53. Qd6+ Kb7 54. h6 g3 55. hxg3 Ka7 56. h7 Kb7 57. Qb6+ Kc8 58. h8Q+ Kd7 59. Qhd8# 1-0

[Event "Eastern Asia-ch U16"]
[Site "Tornelo INT"]
[Date "2021.10.29"]
[Round "1"]
[White "Harshad, S."]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1627"]
[BlackElo "1071"]
[PlyCount "83"]
[EventDate "2021.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 Nc6 6. Ne2 Bd6 7. 0-0 h6 8. Ng3 0-0 9. Be3 Nd5 10. Ne4 Nxe3 11. fxe3 f5 12. Nxd6 cxd6 13. c4 e5 14. Bxc6 bxc6 15. Nc3 Bb7 16. c5 e4 17. Qb3+ Kh8 18. Qxb7 dxc5 19. Qxc6 cxd4 20. exd4 Qxd4+ 21. Kh1 Rac8 22. Qd5 Qb4 23. Qb5 Qxb5 24. Nxb5 a6 25. Nc3 g5 26. Rae1 Kg7 27. g4 fxg4 28. Rxf8 Rxf8 29. Rxe4 Rb8 30. b3 Rc8 31. Rc4 Rd8 32. Rxg4 Rd2 33. Rg2 Rd3 34. Rc2 h5 35. Ne4 g4 36. Kg2 h4 37. Nf2 h3+ 38. Kg1 Rd4 39. Rc4 Rd2 40. Rxg4+ Kf6 41. Ra4 Rd6 42. Ne4+ 1-0

[Event "Eastern Asia-ch U16"]
[Site "Tornelo INT"]
[Date "2021.10.29"]
[Round "3"]
[White "Hisham, Nik Emer"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "1535"]
[BlackElo "1071"]
[PlyCount "156"]
[EventDate "2021.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Be7 8. 0-0 0-0 9. f4 f5 10. Nf3 Qe8 11. Be3 a6 12. a4 h6 13. Kh1 b6 14. Rg1 Qh5 15. Ng3 Qg4 16. Qe1 h5 17. h3 Qg6 18. Ne2 c4 19. Bc2 Nd8 20. Qg3 Qxg3 21. Nxg3 g6 22. Ne2 Kg7 23. g4 hxg4 24. hxg4 Rh8+ 25. Nh2 Nf8 26. g5 Nd7 27. Kg2 Nc6 28. Nf3 Bb7 29. Bd2 b5 30. Rh1 b4 31. Rxh8 Rxh8 32. cxb4 Bxb4 33. Nc3 Rb8 34. Rb1 Na5 35. Kf2 Bc6 36. Ra1 Be7 37. Bc1 Nb3 38. Bxb3 Rxb3 39. Nd2 Rb8 40. Rb1 Bb4 41. Ra1 a5 42. Ndb1 Rb6 43. Ra2 Nb8 44. Nd1 Na6 45. Ne3 Be7 46. Nc2 Bb4 47. Nc3 Bd7 48. Ke2 Be7 49. Bd2 Nb4 50. Nxb4 axb4 51. Nd1 Ra6 52. a5 Bb5 53. Kf3 Rc6 54. Ra1 Ba6 55. Ra2 Kf7 56. Ra4 Ke8 57. Ra1 Kd7 58. Rc1 Kc7 59. Ne3 Bb5 60. Nc2 c3 61. bxc3 bxc3 62. Be1 Bd3 63. Ke3 Be4 64. Ke2 Kb7 65. Kd1 Ka6 66. Ra1 Bd3 67. Kc1 Rc4 68. Bf2 Bd8 69. Ne3 Rc8 70. Be1 Bxa5 71. Nd1 Kb5 72. Ra2 Bb4 73. Nf2 Bc4 74. Ra7 Bb3 75. Rb7+ Kc4 76. Rb6 Ba3+ 77. Kb1 c2+ 78. Ka1 c1R# 0-1

[Event "SRI-ch U14 Girls"]
[Site "Nugegoda"]
[Date "2021.03.14"]
[Round "10"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Ramanayake, Nemindi Linaya"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1286"]
[BlackElo "1236"]
[PlyCount "80"]
[EventDate "2021.03.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SRI"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 d5 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. d3 c5 7. Ne5 Qc7 8. e4 e6 9. Qf3 Nc6 10. Nxc6 Qxc6 11. e5 Ne8 12. c4 Nc7 13. Nc3 Rd8 14. Qf2 b6 15. a4 Bb7 16. Bd2 Qd7 17. h3 Rab8 18. Rad1 Ba8 19. cxd5 Nxd5 20. b3 Nxc3 21. Bxc3 Bxg2 22. Qxg2 Qd5 23. Qxd5 Rxd5 24. Rf2 Rbd8 25. Rfd2 Bf8 26. Kg2 a5 27. d4 cxd4 28. Rxd4 Rxd4 29. Rxd4 Rxd4 30. Bxd4 Bc5 31. Bxc5 bxc5 32. Kf3 Kf8 33. Ke3 Ke7 34. g4 h6 35. h4 Kd7 36. Ke4 Kc6 37. h5 gxh5 38. gxh5 Kb6 39. Kd3 Kc6 40. Kc4 Kb6 1/2-1/2

[Event "SRI-ch U14 Girls"]
[Site "Nugegoda"]
[Date "2021.03.14"]
[Round "11"]
[White "Weerasekara, Dishal Nimsara"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "1494"]
[BlackElo "1286"]
[PlyCount "112"]
[EventDate "2021.03.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SRI"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Qb6 8. Na4 Qa5+ 9. c3 c4 10. Kf2 b5 11. Nc5 Nxc5 12. dxc5 b4 13. Nd4 Bd7 14. Nxc6 Bxc6 15. cxb4 Qxb4 16. Qd4 Rc8 17. a3 Qb7 18. Rc1 a5 19. Qc3 a4 20. Bd4 Bd7 21. Qb4 Qc6 22. Bxc4 dxc4 23. Rxc4 Be7 24. Rd1 0-0 25. Qc3 Rb8 26. Be3 Rb3 27. Qd2 Qb5 28. Qxd7 Qxc4 29. Qxe7 Rxb2+ 30. Rd2 Rxd2+ 31. Bxd2 Qd4+ 32. Ke2 Rd8 33. Be3 Qd5 34. c6 Qxg2+ 35. Ke1 Rc8 36. c7 Qh1+ 37. Ke2 Qg2+ 38. Ke1 Qd5 39. Bc5 Qe4+ 40. Kd2 Qd5+ 41. Ke3 h6 42. Bd6 Qb3+ 43. Kd4 Qd5+ 44. Ke3 Qb3+ 45. Kf2 Qb2+ 46. Ke3 Qb7 47. Qd7 Qb3+ 48. Kf2 Qb7 49. Kg3 Qb3+ 50. Kh4 Qb7 51. h3 Ra8 52. Kg3 Qb3+ 53. Kh4 Qb7 54. Kg3 Qb3+ 55. Kf2 Qb2+ 56. Kg3 Qb3+ 1/2-1/2

[Event "SRI-ch U14 Girls"]
[Site "Nugegoda"]
[Date "2021.03.13"]
[Round "8"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Induwara, THD Thisarindu"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1286"]
[BlackElo "1306"]
[PlyCount "155"]
[EventDate "2021.03.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SRI"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 e6 4. b3 c5 5. Bb2 Bd6 6. Bd3 0-0 7. 0-0 Nc6 8. Bb5 Nd7 9. d4 Ne7 10. Ne5 a6 11. Bd3 f6 12. Qh5 f5 13. Nxd7 Qxd7 14. dxc5 Bxc5 15. Rf3 d4 16. e4 fxe4 17. Bxe4 Nf5 18. Rd3 g6 19. Qe2 Qc7 20. g3 Qb6 21. Nd2 Ne3 22. Nf1 Nxf1 23. Rxf1 Bd7 24. a4 Bxa4 25. bxa4 Qxb2 26. Kg2 Qb6 27. Rb3 Bb4 28. a5 Qd6 29. Bxb7 Rab8 30. Qxa6 Qxa6 31. Bxa6 Bxa5 32. Bc4 Kf7 33. f5 Ke7 34. Rxb8 Rd8 35. Rc8 Rxc8 36. fxe6 Kd6 37. Rf7 Ke5 38. Rd7 Kf6 39. Rxd4 g5 40. Bb3 Rd8 41. Rxd8 Bxd8 42. Kf3 h5 43. h3 Ke5 44. Ke3 Be7 45. Kd3 Bd6 46. Ke3 Bc5+ 47. Kf3 Bd6 48. h4 g4+ 49. Kg2 Be7 50. Ba4 Kxe6 51. Be8 Kf5 52. Bxh5 Bf6 53. Be8 Ke6 54. Bc6 Bc3 55. Bb7 Kd7 56. Be4 Ke6 57. Bb7 Kd7 58. Ba6 Ke6 59. Bc8+ Kf6 60. Bxg4 Kg6 61. Kf3 Kh6 62. Bd7 Kh7 63. g4 Bd2 64. c4 Kg6 65. c5 Kf7 66. c6 Ba5 67. Kf4 Bc7+ 68. Kf5 Kg7 69. h5 Kh6 70. Be8 Bd8 71. g5+ Bxg5 72. c7 Kh7 73. Kxg5 Kh8 74. c8Q Kh7 75. Qf5+ Kh8 76. h6 Kg8 77. Qf7+ Kh8 78. Qg7# 1-0

[Event "SRI-ch U14 Girls"]
[Site "Nugegoda"]
[Date "2021.03.13"]
[Round "9"]
[White "Wickramaarachchi, Nayanaka Insara"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1206"]
[BlackElo "1286"]
[PlyCount "54"]
[EventDate "2021.03.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SRI"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. 0-0 c5 5. d4 Be7 6. Bg5 0-0 7. c3 Nbd7 8. Nbd2 h6 9. Bxf6 Nxf6 10. Re1 b6 11. Ne5 Bb7 12. e4 cxd4 13. cxd4 dxe4 14. Nxe4 Nxe4 15. Bxe4 Bxe4 16. Rxe4 Qd5 17. Re3 Rad8 18. Qe2 Bf6 19. Re1 Rd6 20. Qa6 Qxd4 21. Qxa7 Bxe5 22. Rxe5 Qxb2 23. Qa6 Rfd8 24. R1e2 Qc1+ 25. Kg2 Qc6+ 26. Kg1 Rd5 27. R5e3 Ra5 0-1

[Event "SRI-ch U14 Girls"]
[Site "Nugegoda"]
[Date "2021.03.12"]
[Round "6"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Weerasekara, Dinul Vinsitha"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1286"]
[BlackElo "1267"]
[PlyCount "84"]
[EventDate "2021.03.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SRI"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. c4 c5 4. cxd5 Nxd5 5. e3 g6 6. Nc3 Bg7 7. Bc4 Nb6 8. Be2 Nc6 9. a3 0-0 10. 0-0 Nd5 11. Ne4 b6 12. Ng3 Qc7 13. Rb1 e5 14. fxe5 Nxe5 15. d4 Nxf3+ 16. Bxf3 Bb7 17. Ne2 cxd4 18. exd4 Nf6 19. Bf4 Qd7 20. Bxb7 Qxb7 21. Rc1 Nd5 22. Bg3 Ne3 23. Rf3 Nxd1 24. Rxd1 Qe4 25. Kf1 Rfe8 26. Nc3 Qc2 27. Rf2 Qb3 28. Rfd2 Qc4+ 29. Kg1 Rad8 30. Bf2 b5 31. Rd3 Rd7 32. R1d2 Red8 33. Ne2 a5 34. b3 Qd5 35. Nf4 Qe4 36. Ne2 Bh6 37. Ng3 Qe7 38. Ra2 Bg7 39. Rad2 Qxa3 40. Ne4 Bxd4 41. Nf6+ Bxf6 42. Rxd7 Rxd7 0-1

[Event "SRI-ch U14 Girls"]
[Site "Nugegoda"]
[Date "2021.03.12"]
[Round "7"]
[White "Samaranayake, Pamok Methdinu"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1085"]
[BlackElo "1286"]
[PlyCount "88"]
[EventDate "2021.03.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SRI"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Be2 Nge7 8. Qc2 Ng6 9. Be3 Be7 10. Nbd2 Bd7 11. 0-0 Rc8 12. b3 cxb3 13. Nxb3 0-0 14. Rfb1 Qc7 15. Qb2 b6 16. Rc1 Qd8 17. c4 dxc4 18. Rxc4 Nb8 19. Rxc8 Bxc8 20. Rc1 Bb7 21. a4 Nc6 22. Nfd2 Nb4 23. Nc4 Nh4 24. Bf1 Qd5 25. f3 Nf5 26. Bf2 Bg5 27. Re1 Nc6 28. Re4 Be7 29. Bd3 Nb4 30. Bf1 Qd7 31. Re1 Rc8 32. Nbd2 Nd5 33. Ne4 Nb4 34. g4 Bxe4 35. Rxe4 Nh6 36. Be3 Qxa4 37. Bxh6 gxh6 38. Qd2 Qb3 39. d5 Nxd5 40. Qxh6 Qxf3 41. Bg2 Bc5+ 42. Ne3 Bxe3+ 43. Rxe3 Rc1+ 44. Bf1 Rxf1# 0-1

[Event "SRI-ch U14 Girls"]
[Site "Nugegoda"]
[Date "2021.03.11"]
[Round "4"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Hettiarachchi, DWK"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1286"]
[BlackElo "1441"]
[PlyCount "83"]
[EventDate "2021.03.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SRI"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 c5 3. b3 Nc6 4. e3 Bg4 5. Be2 Bxf3 6. Bxf3 Nf6 7. 0-0 e6 8. Bb2 Be7 9. d3 0-0 10. Nd2 c4 11. dxc4 Qb6 12. Re1 d4 13. exd4 Nxd4 14. Kh1 Rad8 15. Bxd4 Rxd4 16. Qe2 Bb4 17. Red1 Bc3 18. Rab1 Rxf4 19. Nf1 e5 20. g3 Rd4 21. Rxd4 Bxd4 22. Qg2 Re8 23. Nd2 Re7 24. Rd1 Kf8 25. Ne4 Nxe4 26. Bxe4 g6 27. g4 Qb4 28. a4 b6 29. Qf3 Re6 30. Rf1 Re7 31. Qf6 Ke8 32. Qc6+ Kf8 33. Bd5 Qc5 34. Qf6 Ke8 35. Bxf7+ Kd8 36. Be6 Qc6+ 37. Qf3 Qxf3+ 38. Rxf3 Rxe6 39. Kg2 Ke7 40. Kg3 e4 41. Rf1 Bc3 42. Kf2 0-1

[Event "SRI-ch U14 Girls"]
[Site "Nugegoda"]
[Date "2021.03.11"]
[Round "5"]
[White "Nanayakkara, MM."]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1170"]
[BlackElo "1286"]
[PlyCount "72"]
[EventDate "2021.03.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SRI"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 Nf6 3. e3 c5 4. c3 cxd4 5. exd4 b6 6. Nf3 Be7 7. Bd3 Bb7 8. Nbd2 0-0 9. h3 Nc6 10. 0-0 Rc8 11. a4 h6 12. Re1 Nd5 13. Bh2 f5 14. Ne5 Nxe5 15. dxe5 Bc5 16. Nb3 Qg5 17. Bf1 Be7 18. c4 Rxc4 19. Nd4 Rb4 20. Ra2 Rc8 21. Nf3 Qg6 22. Bb5 Rc7 23. Qd3 Re4 24. Raa1 Rxe1+ 25. Nxe1 Nb4 26. Qd2 Nc2 27. Rc1 Nxe1 28. Kf1 Qxg2+ 29. Kxe1 Rxc1+ 30. Qxc1 Qh1+ 31. Kd2 Bg5+ 32. f4 Qxh2+ 33. Kc3 Bxf4 34. Qd1 Bxe5+ 35. Kb3 Bd5+ 36. Ka3 Qxb2# 0-1

[Event "SRI-ch U14 Girls"]
[Site "Nugegoda"]
[Date "2021.03.10"]
[Round "2"]
[White "Amarathunga, Kosala Sandeepa Cha"]
[Black "Sanudula, KM Dahamdi"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1286"]
[BlackElo "1687"]
[PlyCount "48"]
[EventDate "2021.03.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SRI"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 Bf5 6. Bd2 c6 7. Qe2 e6 8. d5 cxd5 9. Nxd5 Qd8 10. Nxf6+ gxf6 11. 0-0-0 Qc7 12. g4 Bg6 13. f4 Be7 14. h4 h5 15. g5 fxg5 16. fxg5 Nd7 17. Nh3 Rc8 18. Bc3 Rg8 19. Bb5 Rd8 20. Rxd7 Rxd7 21. Rd1 Bd6 22. Bb4 Ke7 23. Qf2 Bf5 24. Qd4 Qxc2# 0-1

[Event "SRI-ch U14 Girls"]
[Site "Nugegoda"]
[Date "2021.03.10"]
[Round "3"]
[White "Weerathungalage, WD Malisha Sasvidu"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1340"]
[BlackElo "1286"]
[PlyCount "78"]
[EventDate "2021.03.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SRI"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 e6 3. Bf4 d5 4. e3 Bb4 5. Bd3 0-0 6. Qf3 c5 7. dxc5 Nbd7 8. Qg3 Nxc5 9. Bg5 Nxd3+ 10. cxd3 d4 11. exd4 Qxd4 12. Nge2 Qg4 13. Qe3 Nd5 14. Qd2 h6 15. Be3 f5 16. 0-0-0 Bd7 17. h3 Qg6 18. Bd4 f4 19. g4 Bc6 20. Rhg1 Qg5 21. h4 Qxh4 22. Qe1 e5 23. Bxe5 f3 24. Ng3 Qg5+ 25. Kb1 Rae8 26. d4 Ba4 27. Nge4 Qg6 28. Rd3 Bb5 29. Rd1 Be2 30. Rc1 Nxc3+ 31. bxc3 Qxe4+ 32. Kb2 Ba5 33. g5 h5 34. g6 Re6 35. Rg5 Rf5 36. Qd2 Rxg5 37. Qxg5 Rb6+ 38. Ka1 Bxc3+ 39. Rxc3 Qb1# 0-1

[Event "SRI-ch U14 Girls"]
[Site "Nugegoda"]
[Date "2021.03.09"]
[Round "1"]
[White "Gunathilake, MD Vinuda Shenal"]
[Black "Amarathunga, Kosala Sandeepa Cha"]
[Result "1/2-1/2"]
[ECO "E24"]
[WhiteElo "1515"]
[BlackElo "1286"]
[PlyCount "61"]
[EventDate "2021.03.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SRI"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 d5 5. a3 Bxc3+ 6. bxc3 0-0 7. cxd5 exd5 8. Bg5 Qd6 9. e3 Ne4 10. Bf4 Qb6 11. Qc2 Nc6 12. Bd3 f5 13. 0-0 a6 14. h3 Ne7 15. c4 c6 16. Nd2 Ng6 17. Bh2 Qd8 18. cxd5 cxd5 19. a4 Be6 20. Qa2 Qf6 21. Nxe4 fxe4 22. Be2 Qg5 23. Bg3 Rad8 24. Kh1 Ne7 25. Qd2 Rf6 26. Bf4 Qh4 27. Kh2 Rdf8 28. Bg3 Qh6 29. Bf4 g5 30. Bg3 Nf5 31. Be5 1/2-1/2

