[Event "Colombo Mercantile op 11th"]
[Site "Colombo"]
[Date "2023.05.01"]
[Round "7"]
[White "De Silva, Elath Mathanga"]
[Black "Rathnayaka, Don Hasitha Dhanush"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "1777"]
[BlackElo "1381"]
[PlyCount "83"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SRI"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 Ne4 6. 0-0 Nd7 7. Nfd2 f5 8. Nxe4 fxe4 9. f3 exf3 10. Bxf3 Nf6 11. Nc3 c6 12. Qd3 0-0 13. e4 dxe4 14. Nxe4 e5 15. Nxf6+ Bxf6 16. d5 cxd5 17. Qxd5+ Qxd5 18. Bxd5+ Kh8 19. Be3 a5 20. Bc5 Re8 21. Bf7 Rd8 22. Bd5 Re8 23. Kg2 Be6 24. Rad1 Rac8 25. b4 axb4 26. Bxb4 Bxd5+ 27. cxd5 Rc4 28. a3 Rd4 29. Rfe1 Rxd1 30. Rxd1 Rd8 31. d6 Kg8 32. Kf3 Kf7 33. Ke4 Ke6 34. Rc1 Rd7 35. Rc8 Bd8 36. g4 h6 37. h3 Bf6 38. Re8+ Kf7 39. Rb8 Ke6 40. Re8+ Kf7 41. Rc8 Ke6 42. Rc7 1-0

[Event "Colombo Mercantile op 11th"]
[Site "Colombo"]
[Date "2023.04.30"]
[Round "5"]
[White "Massaron, Ramiz"]
[Black "Rathnayaka, Don Hasitha Dhanush"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "1578"]
[BlackElo "1381"]
[PlyCount "93"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SRI"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. Bg5 Bg4 4. Nbd2 e6 5. h3 Bh5 6. e3 h6 7. Bh4 Nbd7 8. Be2 Be7 9. 0-0 0-0 10. c4 dxc4 11. Bxc4 Bg6 12. Qb3 Nb6 13. Rac1 Ne4 14. Bxe7 Qxe7 15. Nxe4 Bxe4 16. Nd2 Bc6 17. Bb5 Bxb5 18. Qxb5 c6 19. Qe2 e5 20. Nf3 exd4 21. Nxd4 Rad8 22. Qc2 Rd7 23. Rfd1 Rfd8 24. Nb3 Nd5 25. Rd4 Nb4 26. Rxd7 Rxd7 27. Qc5 Qxc5 28. Nxc5 Nd3 29. Nxd3 Rxd3 30. Rc2 Rd1+ 31. Kh2 f6 32. Kg3 Kf7 33. Kf3 Ke6 34. Ke2 Rd7 35. g4 g5 36. f4 Rd5 37. Rd2 Rxd2+ 38. Kxd2 c5 39. a4 Kd5 40. Kd3 c4+ 41. Kc3 Ke4 42. f5 Kxe3 43. Kxc4 Kf3 44. Kd5 Kg3 45. Ke6 Kxh3 46. Kxf6 Kxg4 47. Kg6 1-0

[Event "Colombo Mercantile op 11th"]
[Site "Colombo"]
[Date "2023.04.29"]
[Round "3"]
[White "Pathum, G Saranga"]
[Black "Rathnayaka, Don Hasitha Dhanush"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "1623"]
[BlackElo "1381"]
[PlyCount "43"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SRI"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 Be7 7. Nbd2 0-0 8. 0-0 b5 9. Bc2 Na5 10. d4 exd4 11. cxd4 c5 12. dxc5 dxc5 13. e5 Nd7 14. Qe1 Bb7 15. e6 Nb6 16. Ne4 Nac4 17. exf7+ Kh8 18. b3 Nd6 19. Nxc5 Rxf7 20. Nxb7 Nxb7 21. Qe4 Qg8 22. Ne5 1-0

[Event "Colombo Mercantile op 11th"]
[Site "Colombo"]
[Date "2023.04.29"]
[Round "2"]
[White "Rathnayaka, Don Hasitha Dhanush"]
[Black "Danushka, MAN"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "1381"]
[BlackElo "1845"]
[PlyCount "101"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SRI"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 d5 2. cxd5 Qxd5 3. Nc3 Qd8 4. g3 Nf6 5. Bg2 c6 6. Nf3 Bg4 7. d3 Nbd7 8. Bd2 e6 9. Qc2 Bd6 10. 0-0 0-0 11. Rac1 Re8 12. Rfe1 e5 13. a3 Nf8 14. Bg5 Ne6 15. Bxf6 Qxf6 16. Ne4 Qe7 17. Nxd6 Qxd6 18. e3 Rad8 19. Rcd1 f5 20. Rd2 Nc5 21. d4 Bxf3 22. Bxf3 e4 23. Be2 Nd7 24. Qb3+ Kh8 25. Qxb7 Ne5 26. Rc2 Nf3+ 27. Bxf3 exf3 28. Qxc6 Qxc6 29. Rxc6 Rxd4 30. Rc3 h5 31. h4 Rd2 32. Rc5 g6 33. Rc7 Red8 34. Rxa7 Rc2 35. b4 Rdd2 36. Rf1 Kg8 37. b5 Kf8 38. b6 Ke8 39. Ra8+ Rd8 40. b7 Rb2 41. Rd1 Rxb7 42. Rdxd8+ Ke7 43. Rd1 f4 44. exf4 Kf6 45. a4 Kf5 46. a5 Kg4 47. a6 Rc7 48. a7 Kh3 49. Ra1 g5 50. hxg5 Rh7 51. Rg8 1-0

