[Event "Rilton Cup 51st"]
[Site "Stockholm"]
[Date "2024.01.03"]
[Round "7"]
[White "Rozentalis, Eduardas"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2454"]
[BlackElo "2375"]
[PlyCount "57"]
[EventDate "2023.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d4 Nf6 7. Qd3 dxe4 8. Nxe4 Nbd7 9. Ng5 g6 10. g3 Bg7 11. Bg2 0-0 12. 0-0 a5 13. Bd2 Nd5 14. Rad1 b5 15. Rfe1 Qb6 16. c3 Rad8 17. h4 N7f6 18. Bf1 Rb8 19. Nf3 Rfd8 20. Ne5 c5 21. dxc5 Qxc5 22. Bg5 Qc7 23. Qf3 h6 24. Bc1 Rd6 25. a3 h5 26. Bh3 Rbb6 27. Qe2 Nd7 28. Nxf7 Kxf7 29. Rxd5 1-0

[Event "Rilton Cup 51st"]
[Site "Stockholm"]
[Date "2024.01.02"]
[Round "6"]
[White "D'Costa, Lorin AR"]
[Black "Grahn, Vidar"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2375"]
[BlackElo "2274"]
[PlyCount "87"]
[EventDate "2023.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 Nc6 3. Bb2 d6 4. c4 e5 5. Nc3 g6 6. g3 Bg7 7. d3 Nge7 8. Bg2 0-0 9. 0-0 a6 10. e3 Rb8 11. Qe2 b5 12. Rfd1 f5 13. Rac1 h6 14. Ba1 Qe8 15. Nd5 Nxd5 16. cxd5 Ne7 17. e4 f4 18. b4 g5 19. bxc5 g4 20. Nd2 f3 21. Nxf3 gxf3 22. Bxf3 dxc5 23. Rxc5 Qg6 24. Rdc1 Bd7 25. Bc3 b4 26. Bd2 Rfc8 27. Bh5 Qd6 28. Be3 a5 29. f4 exf4 30. gxf4 Rxc5 31. Bxc5 Qxf4 32. Rf1 Qg5+ 33. Kh1 Be8 34. Bg4 Bf7 35. Be3 Qg6 36. Rxf7 b3 37. axb3 Rxb3 38. Be6 Kh8 39. Rf1 a4 40. Bf7 Qd6 41. Bf4 Qf6 42. Bg3 Rb2 43. Rxf6 Rxe2 44. Ra6 1-0

[Event "Rilton Cup 51st"]
[Site "Stockholm"]
[Date "2023.12.31"]
[Round "5"]
[White "Dragicevic, Drazen"]
[Black "D'Costa, Lorin AR"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2322"]
[BlackElo "2375"]
[PlyCount "102"]
[EventDate "2023.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 g6 6. Qb3 Bg7 7. Bf4 Nh6 8. Nf3 0-0 9. Nbd2 f6 10. 0-0 Nf7 11. Bg3 e5 12. dxe5 fxe5 13. Be2 b6 14. Rfd1 Bb7 15. Qa4 a6 16. Nf1 b5 17. Qa3 e4 18. N3d2 Qb6 19. Nb3 b4 20. cxb4 d4 21. Nc5 d3 22. Bg4 Nxb4 23. Nxb7 Qxb7 24. Qb3 Ra7 25. Ne3 Nc2 26. Rab1 Qxb3 27. axb3 Nd4 28. b4 h5 29. Bh3 g5 30. f3 exf3 31. gxf3 Nxf3+ 32. Kh1 g4 33. Bg2 N7e5 34. Bxe5 Nxe5 35. Be4 Rd7 36. Ra1 Rd4 37. Bd5+ Kh7 38. Be6 Rd6 39. Bf5+ Kh6 40. Be4 Kg5 41. Nd5 Rf2 42. Rf1 g3 43. Rxf2 gxf2 44. Kg2 Ng4 45. h3 Nf6 46. Nxf6 Bxf6 47. Kxf2 Kf4 48. Bb7 Bh4+ 49. Kf1 Rd7 50. Bxa6 Ke3 51. Ra3 Ke4 1/2-1/2

[Event "Rilton Cup 51st"]
[Site "Stockholm"]
[Date "2023.12.30"]
[Round "4"]
[White "D'Costa, Lorin AR"]
[Black "Eriksson, Daniel"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2375"]
[BlackElo "2253"]
[PlyCount "131"]
[EventDate "2023.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 c5 3. b3 Nc6 4. Bb5 Qb6 5. c4 Nf6 6. Bb2 Bd7 7. Nc3 e6 8. 0-0 Be7 9. cxd5 exd5 10. d4 0-0 11. dxc5 Bxc5 12. Be2 Ne7 13. Rc1 Rfd8 14. Bd3 Rac8 15. Ne5 Be8 16. Ne2 Ng6 17. Nf3 Ne4 18. Ned4 Bd7 19. h3 Bb4 20. Rxc8 Rxc8 21. Qa1 Bc3 22. Bxc3 Nxc3 23. Rc1 Qa5 24. a3 Ne4 25. b4 Qd8 26. Rxc8 Qxc8 27. Bxe4 dxe4 28. Ng5 Qc4 29. Nxe4 f5 30. Nd2 Qd5 31. Qc3 f4 32. N2f3 fxe3 33. Qxe3 h6 34. Kh2 Kh8 35. h4 Bg4 36. g3 a6 37. Kg1 Bd7 38. Kh2 Bg4 39. Qe8+ Kh7 40. Qe3 Kh8 41. Nd2 Ne5 42. Kg1 Bh3 43. N4f3 Nxf3+ 44. Nxf3 Qd1+ 45. Ne1 Bd7 46. f3 Bc6 47. Kf2 Qd5 48. g4 Qd6 49. Ng2 Bb5 50. Nf4 g5 51. Ng2 Qd5 52. hxg5 hxg5 53. Qc3+ Kh7 54. Ne3 Qd6 55. Qg7+ Kxg7 56. Nf5+ Kf6 57. Nxd6 Bc6 58. Ke3 Ke5 59. Ne4 Bxe4 60. fxe4 b5 61. Kd3 Kf4 62. Kd4 Kxg4 63. e5 Kf5 64. Kd5 g4 65. e6 g3 66. e7 1-0

[Event "Rilton Cup 51st"]
[Site "Stockholm"]
[Date "2023.12.29"]
[Round "3"]
[White "Anand, Batsukh"]
[Black "D'Costa, Lorin AR"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2263"]
[BlackElo "2375"]
[PlyCount "60"]
[EventDate "2023.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Be2 Nbd7 8. 0-0 Bd6 9. g3 0-0 10. b3 Re8 11. Bb2 a6 12. a4 e5 13. Nxg6 hxg6 14. Bf3 exd4 15. exd4 Bb4 16. Qc2 Nf8 17. Na2 Ba5 18. b4 Bc7 19. b5 axb5 20. axb5 Ne6 21. Nb4 Ba5 22. Nd3 dxc4 23. Qxc4 cxb5 24. Qxb5 Nxd4 25. Bxd4 Qxd4 26. Bxb7 Ra7 27. Bc6 Rc8 28. Ne5 Bc7 29. Rxa7 Qxa7 30. Nd7 Nxd7 1/2-1/2

[Event "Rilton Cup 51st"]
[Site "Stockholm"]
[Date "2023.12.28"]
[Round "2"]
[White "D'Costa, Lorin AR"]
[Black "Makhija, Aashna"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "2375"]
[BlackElo "2093"]
[PlyCount "152"]
[EventDate "2023.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 c5 5. Bxb4 cxb4 6. g3 b6 7. Bg2 Bb7 8. 0-0 0-0 9. Nbd2 d6 10. Re1 Re8 11. Qb3 a5 12. Rad1 Qc7 13. Qd3 e5 14. e4 Nc6 15. b3 Ba6 16. Nf1 d5 17. exd5 e4 18. Rxe4 Nxe4 19. dxc6 Rad8 20. Ne3 Nc3 21. Ng5 g6 22. Rd2 Qe7 23. h4 h6 24. Nh3 Qf6 25. Nf4 Kg7 26. d5 Bc8 27. Kh2 Rd6 28. Bf3 Red8 29. Qc2 Kg8 30. c5 bxc5 31. Nc4 g5 32. Nxd6 Rxd6 33. Re2 Nxe2 34. Qxe2 gxf4 35. Qe8+ Kg7 36. Qxc8 fxg3+ 37. Kxg3 Qe5+ 38. Kh3 Qc3 39. Qg4+ Rg6 40. Qe4 Rf6 41. c7 Rxf3+ 42. Kg2 Rf6 43. c8Q Rg6+ 44. Kh2 Qa1 45. Qh1 Qe5+ 46. Kh3 Qc3+ 47. f3 Qe5 48. Qh2 Qa1 49. Qg4 Rxg4 50. Kxg4 Qd4+ 51. Kh3 Qxd5 52. Qg3+ Kf6 53. Qf2 Qd7+ 54. Kg2 Qd4 55. Qe2 Qxh4 56. Qa6+ Ke5 57. Qxa5 Qg5+ 58. Kf2 Kd4 59. Qb5 Qe3+ 60. Kg2 Qe6 61. Kf2 h5 62. Qf1 Qe3+ 63. Kg3 Qc3 64. Qe2 Qd3 65. Qe7 Qf5 66. Kf2 Kd5 67. Qd8+ Ke5 68. Qh8+ Kd6 69. Qd8+ Ke6 70. Qe8+ Kf6 71. Qd8+ Kg7 72. Qd6 h4 73. Qd2 Qe5 74. Kf1 h3 75. f4 Qa1+ 76. Ke2 h2 0-1

[Event "EU-ch Blitz"]
[Site "Zagreb"]
[Date "2023.12.16"]
[Round "7"]
[White "D'Costa, Lorin AR"]
[Black "Grigoriants, Sergey"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "2375"]
[BlackElo "2544"]
[PlyCount "47"]
[EventDate "2023.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "CRO"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. a3 a6 7. dxc5 Bxc5 8. b4 Ba7 9. Bb2 0-0 10. Be2 dxc4 11. Bxc4 Qe7 12. 0-0 Rd8 13. Qe2 h6 14. Rfd1 Rxd1+ 15. Rxd1 Bd7 16. Bd3 Be8 17. Ne4 Nxe4 18. Bxe4 Rd8 19. Rc1 Bb8 20. h3 Qd6 21. Bc2 Qe7 22. Be4 Qd6 23. Bc2 Qe7 24. Be4 1/2-1/2

[Event "EU-ch Blitz"]
[Site "Zagreb"]
[Date "2023.12.16"]
[Round "3"]
[White "D'Costa, Lorin AR"]
[Black "Kadric, Denis"]
[Result "0-1"]
[ECO "A55"]
[WhiteElo "2375"]
[BlackElo "2587"]
[PlyCount "92"]
[EventDate "2023.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "CRO"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. c4 Nbd7 4. Nc3 e5 5. g3 c6 6. e4 Qa5 7. Qc2 Be7 8. Bg2 Nb6 9. Qd3 Qb4 10. dxe5 dxe5 11. Nxe5 Ng4 12. Nxg4 Bxg4 13. 0-0 Qxc4 14. Qc2 0-0 15. b3 Qe6 16. Bb2 Rfd8 17. Ne2 Bxe2 18. Qxe2 Bf6 19. Rfd1 Bxb2 20. Qxb2 Qe7 21. h4 Nd7 22. Rd4 Nc5 23. Rad1 Ne6 24. R4d2 Rxd2 25. Rxd2 Rd8 26. b4 Kf8 27. f4 Rxd2 28. Qxd2 Qc7 29. e5 Qb6+ 30. Kh2 Qd4 31. Qe1 Qb2 32. a4 Nd4 33. Qe4 g6 34. h5 Qxb4 35. hxg6 hxg6 36. e6 Qd6 37. exf7 Kxf7 38. Bf1 Nf5 39. Bc4+ Kg7 40. Qe8 Qf8 41. Qd7+ Qe7 42. Qc8 Nh6 43. a5 a6 44. Kg2 Qe4+ 45. Kh3 Qxc4 46. Qxb7+ Nf7 0-1

[Event "EU-ch Blitz"]
[Site "Zagreb"]
[Date "2023.12.16"]
[Round "8"]
[White "D'Costa, Lorin AR"]
[Black "Saraci, Nderim"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "2375"]
[BlackElo "2461"]
[PlyCount "98"]
[EventDate "2023.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "CRO"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 c5 7. 0-0 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. f3 Nxd4 11. Bxd4 a5 12. b3 Bc6 13. Qd2 Nd7 14. Be3 Nc5 15. Rab1 Qb6 16. Rfc1 Rfc8 17. Rc2 Qd8 18. Kh1 Qf8 19. a3 a4 20. b4 Nb3 21. Qd1 e6 22. Bf1 Be5 23. Ne2 f5 24. exf5 Qxf5 25. Ng3 Qf6 26. Bd3 d5 27. b5 Be8 28. cxd5 exd5 29. Be2 d4 30. Ne4 Qe7 31. Bg1 Bf7 32. Nf2 Qxa3 33. Nd3 Bg7 34. Nb2 Qb4 35. Nd3 Qxb5 36. Nc1 Qd7 37. Rxc8+ Rxc8 38. Nxb3 Bxb3 39. Qd2 Rc2 40. Qd3 Rc3 41. Qd2 h5 42. Ra1 d3 43. Bd1 Qf7 44. Rb1 Bxd1 45. Qxd1 a3 46. Qa4 a2 47. Ra1 Rc2 48. Qa8+ Kh7 49. Qa4 Bxa1 0-1

[Event "EU-ch Blitz"]
[Site "Zagreb"]
[Date "2023.12.16"]
[Round "10"]
[White "Maksimovic, Bojan"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2497"]
[BlackElo "2375"]
[PlyCount "71"]
[EventDate "2023.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "CRO"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Nc6 8. g4 d5 9. g5 Nxe4 10. Nxe4 Nxd4 11. Qxd4 dxe4 12. Qxe4 Be7 13. h4 Bd7 14. 0-0-0 Qc7 15. Bf4 Qc6 16. Bf3 Qxe4 17. Bxe4 0-0-0 18. Rd3 Bc6 19. Rc3 Bd6 20. Be3 Kc7 21. Bxc6 bxc6 22. Rc4 Be5 23. Re4 Bd6 24. c3 Rd7 25. Kc2 Rhd8 26. h5 g6 27. hxg6 hxg6 28. Rh7 f5 29. Rxd7+ Kxd7 30. Ra4 Ra8 31. Kd3 e5 32. Kc4 Ke6 33. Bc5 Bc7 34. Rb4 e4 35. Rb7 Be5 36. Re7# 1-0

[Event "EU-ch Rapid"]
[Site "Zagreb"]
[Date "2023.12.15"]
[Round "9"]
[White "D'Costa, Lorin AR"]
[Black "Plat, Vojtech"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "2375"]
[BlackElo "2509"]
[PlyCount "86"]
[EventDate "2023.12.14"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "CRO"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Bg4 3. c4 c6 4. Nc3 Nd7 5. e4 e5 6. Be2 Ngf6 7. Be3 Be7 8. d5 a5 9. Nd2 Bxe2 10. Qxe2 a4 11. 0-0 0-0 12. b4 axb3 13. axb3 Qc7 14. b4 Rfe8 15. Rfc1 Nf8 16. g3 Qd7 17. f3 Ng6 18. Na4 Bd8 19. b5 c5 20. Nb3 Qe7 21. Rc2 Nd7 22. Rca2 Qf8 23. Qc2 f5 24. Kg2 f4 25. Bf2 h5 26. Nc3 Rxa2 27. Rxa2 fxg3 28. hxg3 h4 29. Qd1 hxg3 30. Bxg3 Bh4 31. Bh2 Qf7 32. Ra7 Nf6 33. Na5 Nh5 34. Ne2 Rf8 35. Qf1 Ngf4+ 36. Nxf4 Nxf4+ 37. Kh1 Qh5 38. Nxb7 Bg3 39. Ra2 Rf6 40. Kg1 Rg6 41. Kh1 Rh6 42. Nxd6 Bxh2 43. Nf5 Bg3+ 0-1

[Event "EU-ch Rapid"]
[Site "Zagreb"]
[Date "2023.12.15"]
[Round "8"]
[White "Jovanovic, Zoran"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "2515"]
[BlackElo "2375"]
[PlyCount "104"]
[EventDate "2023.12.14"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "CRO"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Bd7 5. Bg5 Nc6 6. Qd2 h6 7. Bh4 Nf6 8. Bxf6 gxf6 9. Nc3 Qa5 10. Nd4 Rc8 11. Nb3 Qd8 12. 0-0-0 a6 13. f4 h5 14. Kb1 b5 15. Qf2 e6 16. f5 Ne5 17. Be2 b4 18. Bxa6 Ra8 19. Nd5 exd5 20. Bb7 dxe4 21. Bxa8 Qxa8 22. Qb6 Rg8 23. g3 Bxf5 24. Nd4 Bd7 25. Nb5 Bxb5 26. Qxb5+ Ke7 27. Qxb4 Ke6 28. Rd4 f5 29. Rhd1 Qc6 30. Qb3+ Kf6 31. Rb4 Be7 32. a4 Rc8 33. Rb8 Rxb8 34. Qxb8 Nc4 35. Qb5 Qxb5 36. axb5 Ke5 37. b3 Na3+ 38. Kb2 Nxb5 39. c4 Nc7 40. b4 d5 41. b5 Bc5 42. Rb1 d4 43. Kc2 Na8 44. Ra1 Nb6 45. Ra7 Nxc4 46. Rc7 Kd5 47. Rxf7 d3+ 48. Kc3 Bd4+ 49. Kb3 Nd6 50. Rd7 e3 51. b6 Bxb6 52. Kc3 e2 0-1

[Event "EU-ch Rapid"]
[Site "Zagreb"]
[Date "2023.12.15"]
[Round "10"]
[White "Kadric, Denis"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2587"]
[BlackElo "2375"]
[PlyCount "125"]
[EventDate "2023.12.14"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "CRO"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 0-0 9. Bb3 d6 10. h3 Bd7 11. Re1 Rac8 12. Nf3 Qh5 13. Nd5 Nxe4 14. Bc1 Nf6 15. Nxe7+ Nxe7 16. Rxe7 Bc6 17. Be3 Nd5 18. Bxd5 Bxd5 19. c3 Rfe8 20. Rxe8+ Rxe8 21. g4 Bxf3 22. gxh5 Bxd1 23. Rxd1 Bf8 24. hxg6 hxg6 25. Rd4 a6 26. Rc4 Kg7 27. Rc7 Re7 28. Rc8 f5 29. Rd8 Kf7 30. Bg5 Rc7 31. h4 Be7 32. Rb8 Ke6 33. Kg2 Bf6 34. Kf3 d5 35. Ke3 Rh7 36. f3 Be5 37. Re8+ Kd6 38. f4 Bh8 39. Rg8 Bg7 40. Kd3 Kc6 41. Re8 Bh6 42. Re6+ Kd7 43. Rxg6 Bxg5 44. hxg5 Rh4 45. Ke3 Rh2 46. Rf6 Rxb2 47. Rxf5 Rxa2 48. Rxd5+ Ke6 49. Re5+ Kd6 50. Rf5 b5 51. Rf6+ Ke7 52. f5 a5 53. Rb6 Rg2 54. f6+ Kf7 55. Rxb5 a4 56. Ra5 Rg3+ 57. Kf4 Rxc3 58. Ra7+ Ke6 59. Re7+ Kd6 60. Kf5 a3 61. Ra7 Kc6 62. f7 Kb6 63. Ra8 1-0

[Event "EU-ch Rapid"]
[Site "Zagreb"]
[Date "2023.12.14"]
[Round "3"]
[White "D'Costa, Lorin AR"]
[Black "Balog, Imre1"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "2375"]
[BlackElo "2619"]
[PlyCount "80"]
[EventDate "2023.12.14"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "CRO"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 Qb6 5. Nc3 e6 6. Qc2 c5 7. e3 cxd4 8. Nxd4 e5 9. Nf3 d4 10. exd4 exd4 11. Nb5 Nc6 12. Bf4 Bb4+ 13. Nd2 0-0 14. 0-0-0 Ne8 15. Nb3 Bc5 16. a3 a6 17. Nc7 Nxc7 18. Bxc7 Qxc7 19. Nxc5 Rd8 20. Bd3 Ne5 21. Bxh7+ Kh8 22. Nd3 Nd7 23. Be4 Nf6 24. Bf3 Bf5 25. Kb1 Rac8 26. c5 b6 27. c6 Ne4 28. Ka1 Nc5 29. Be2 Qd6 30. g4 Bh7 31. Qc4 Rxc6 32. Nxc5 bxc5 33. Bd3 Bg8 34. Bb1 f5 35. Qe2 c4 36. Bxf5 c3 37. g5 cxb2+ 38. Kb1 Rc1+ 39. Kxb2 Rb8+ 40. Kxc1 Qxa3+ 0-1

[Event "EU-ch Rapid"]
[Site "Katowice"]
[Date "2022.12.18"]
[Round "9"]
[White "Bartel, Michal"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "C17"]
[WhiteElo "2250"]
[BlackElo "2375"]
[PlyCount "103"]
[EventDate "2022.12.17"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 cxd4 6. Nb5 Bc5 7. Qg4 Kf8 8. b4 Bb6 9. Nf3 Nc6 10. Bd3 a6 11. Nbxd4 Bxd4 12. Nxd4 Nxe5 13. Qg3 Nxd3+ 14. cxd3 Nf6 15. 0-0 h6 16. Nf3 Kg8 17. Ne5 Qe7 18. Rac1 Kh7 19. Be3 d4 20. Bxd4 Rd8 21. Bc5 Qe8 22. Rc4 Rd5 23. Re1 b5 24. Rh4 Bb7 25. Qf4 Rxe5 26. Qxe5 Qc6 27. Qg3 Rd8 28. d4 Rd5 29. Qf3 Qd7 30. Qg3 Qc6 31. f3 Rf5 32. Qd6 Qc8 33. Qf8 Qd7 34. Qd6 Qc8 35. Rh3 Nd5 36. Rg3 Nf4 37. Rg4 Ng6 38. h4 h5 39. Rg5 Nxh4 40. Rxf5 Nxf5 41. Qf4 h4 42. Rc1 Qd7 43. Bb6 Qd5 44. Rc7 f6 45. Qg4 Kh6 46. Rf7 Bc6 47. Bc5 Be8 48. Ra7 Bh5 49. Qf4+ g5 50. Qb8 g4 51. Bf8+ Kg5 52. f4+ 1-0

[Event "EU-ch Rapid"]
[Site "Katowice"]
[Date "2022.12.18"]
[Round "8"]
[White "D'Costa, Lorin AR"]
[Black "Niezhentsev, Kyrylo"]
[Result "1/2-1/2"]
[ECO "D21"]
[WhiteElo "2375"]
[BlackElo "2052"]
[PlyCount "59"]
[EventDate "2022.12.17"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Bg4 3. c4 dxc4 4. Ne5 Bh5 5. Nc3 e6 6. g3 Nf6 7. Bg2 c6 8. 0-0 Nbd7 9. Nxc4 Be7 10. b3 0-0 11. Bb2 a5 12. a3 Nd5 13. Qd2 b5 14. Ne3 N7f6 15. Nc2 a4 16. bxa4 Nxc3 17. Bxc3 Rxa4 18. Bxc6 Rc4 19. Bxb5 Ne4 20. Bxc4 Nxd2 21. Bxd2 Bg6 22. Rfc1 Bxc2 23. Rxc2 Qxd4 24. Raa2 Rb8 25. Bb4 Bf6 26. Bd3 Qd5 27. Bc4 Qd4 28. Bd3 Qd5 29. Bc4 Qd4 30. Bd3 1/2-1/2

[Event "EU-ch Rapid"]
[Site "Katowice"]
[Date "2022.12.18"]
[Round "7"]
[White "Paszewski, Mateusz"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2282"]
[BlackElo "2375"]
[PlyCount "102"]
[EventDate "2022.12.17"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. 0-0 g6 6. b3 Bg7 7. Bb2 0-0 8. d4 cxd4 9. Qxd4 d6 10. Rd1 Nbd7 11. Ne1 Bxg2 12. Nxg2 a6 13. Nc3 Rb8 14. Ne3 b5 15. cxb5 axb5 16. Ncd5 Rb7 17. Rac1 Re8 18. Rc2 Nh5 19. Qd2 Bxb2 20. Rxb2 e6 21. Nb4 d5 22. Rc2 Nhf6 23. Rdc1 Ne4 24. Qd4 Ndf6 25. Rc8 Qd7 26. Rxe8+ Nxe8 27. Ng4 h5 28. Ne5 Qe7 29. Rc8 N4d6 30. Nbc6 Qf6 31. Rd8 Kg7 32. Qc5 Ne4 33. Qe3 N8d6 34. f3 Nf5 35. Qc1 Ng5 36. Qc5 Nh7 37. Nd7 Qa1+ 38. Kg2 Qe1 39. Qf2 Qc3 40. Rc8 Rxd7 41. g4 Ne3+ 42. Kg3 hxg4 43. h3 Nf5+ 44. Kg2 gxf3+ 45. exf3 Qf6 46. Qe2 Qg5+ 47. Kh2 Qg3+ 48. Kh1 Qxh3+ 49. Kg1 Qg3+ 50. Kh1 Rc7 51. Qb2+ Nf6 0-1

[Event "EU-ch Rapid"]
[Site "Katowice"]
[Date "2022.12.17"]
[Round "1"]
[White "Anyz, Monika"]
[Black "D'Costa, Lorin AR"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1754"]
[BlackElo "2375"]
[PlyCount "65"]
[EventDate "2022.12.17"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. Nf3 Bxc5 6. Bd3 Nge7 7. 0-0 Ng6 8. Re1 Bd7 9. c3 f6 10. exf6 Qxf6 11. Bg5 Qf7 12. Bxg6 hxg6 13. Qxd5 Bb6 14. Nbd2 0-0 15. Qe4 Qf5 16. Qxf5 gxf5 17. Nc4 Bc7 18. Rad1 Be8 19. Nd6 Bh5 20. Rxe6 Bxf3 21. gxf3 Nd8 22. Re7 Bb6 23. Nxb7 Nc6 24. Re6 Rac8 25. Rdd6 Rf7 26. Nd8 Nxd8 27. Bxd8 Bc5 28. Rd1 Rb7 29. b3 Bf8 30. c4 Kf7 31. Re5 g6 32. Bg5 Rc6 33. Red5 1/2-1/2

[Event "EU-ch Rapid"]
[Site "Katowice"]
[Date "2022.12.17"]
[Round "6"]
[White "D'Costa, Lorin AR"]
[Black "Dehtiarov, Roman"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2375"]
[BlackElo "2300"]
[PlyCount "91"]
[EventDate "2022.12.17"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. 0-0 0-0 6. d4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Nc3 Nbd7 11. e4 b5 12. d5 exd5 13. exd5 Bb7 14. Nd4 Nc5 15. axb5 axb5 16. Rxa8 Bxa8 17. Ncxb5 Qd7 18. Nc6 Bxc6 19. dxc6 Qc8 20. Qxc4 Rd8 21. Rxd8+ Qxd8 22. Be3 Ne6 23. Nd4 Nxd4 24. Bxd4 Ne8 25. b4 Qb8 26. Bc3 Nd6 27. Qg4 Bf8 28. Qe2 Nb5 29. Bd2 Nd6 30. Bf1 Qb6 31. b5 h6 32. Qd3 Qb8 33. Be3 Qd8 34. Qd4 Qa8 35. Bd3 Be7 36. Qe5 Bf6 37. Qd5 Qb8 38. Bf4 Be7 39. Be3 Bf6 40. Bc5 Be7 41. Qb3 Nc8 42. Be3 Nb6 43. Bg6 Qf8 44. Bxb6 cxb6 45. c7 Bd6 46. Qxf7+ 1-0

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "8"]
[White "Adamczewski, Maciej"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "E38"]
[WhiteElo "2071"]
[BlackElo "2375"]
[PlyCount "56"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. Nf3 cxd4 6. Nxd4 0-0 7. a3 Bc5 8. Nb3 Be7 9. Bg5 Nc6 10. e3 b6 11. Be2 Bb7 12. Bf3 Rc8 13. 0-0 h6 14. Bh4 Qc7 15. Bg3 d6 16. Nb5 Qb8 17. Rfd1 Rfd8 18. Rac1 a6 19. N5d4 Nxd4 20. Nxd4 Rc5 21. Qa4 Rdc8 22. Be2 Qa8 23. b4 R5c7 24. Bf1 b5 25. cxb5 Rxc1 26. bxa6 Bxa6 27. Rxc1 Rxc1 28. b5 Bb7 0-1

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "9"]
[White "Bazakutsa, Svyatoslav"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "2318"]
[BlackElo "2375"]
[PlyCount "120"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 Bc5 4. Nc3 d6 5. e3 a6 6. Nf3 Ba7 7. d4 exd4 8. exd4 Nge7 9. 0-0 0-0 10. d5 Ne5 11. Nxe5 dxe5 12. b4 Bd4 13. Bb2 a5 14. a3 Bf5 15. Qd2 Qd7 16. Ne2 Bxb2 17. Qxb2 Ng6 18. Rfe1 Rfe8 19. Nc3 Bh3 20. c5 Bxg2 21. Kxg2 axb4 22. axb4 Rxa1 23. Qxa1 Qg4 24. Re4 Nh4+ 25. Kf1 Qh3+ 26. Ke2 Ng6 27. Qa4 Rf8 28. d6 cxd6 29. cxd6 f5 30. Qd7 Qxh2 31. Rc4 f4 32. Qe6+ Kh8 33. Rc8 fxg3 34. Rxf8+ Nxf8 35. Qe8 Qxf2+ 36. Kd3 Qd4+ 37. Kc2 Qxd6 38. Ne4 Qc6+ 39. Qxc6 bxc6 40. Nxg3 g6 41. Kd3 Kg7 42. Kc4 Nd7 43. Ne4 h5 44. Ng5 Kf6 45. Ne4+ Kf5 46. Nd6+ Ke6 47. Ne4 h4 48. Nf2 g5 49. Kd3 Kf5 50. Ne4 g4 51. Ke3 Nf6 52. Nd6+ Ke6 53. Nb7 Nd5+ 54. Ke4 Nxb4 55. Nd8+ Kf6 56. Nb7 h3 57. Ke3 h2 58. Nd6 h1Q 59. Ne4+ Kg6 60. Ng3 Qf3+ 0-1

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "10"]
[White "D'Costa, Lorin AR"]
[Black "Bazakutsa, Svyatoslav"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "2375"]
[BlackElo "2318"]
[PlyCount "84"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. d4 d6 6. Nc3 Nc6 7. 0-0 e5 8. e3 exd4 9. exd4 d5 10. c5 Ne4 11. Be3 f5 12. Qb3 Ne7 13. Ng5 Kh8 14. Rad1 c6 15. f3 Nxc3 16. Qxc3 h6 17. Nh3 g5 18. Qd2 Ng8 19. Rfe1 Nf6 20. Nf2 b6 21. Nd3 Nd7 22. Rc1 Ba6 23. Nb4 Bb7 24. Bf2 bxc5 25. dxc5 Ne5 26. b3 a5 27. Nd3 Ng6 28. f4 Ba6 29. Bf1 Bxd3 30. Bxd3 gxf4 31. gxf4 Qc7 32. Bg3 Qf7 33. Kh1 Rae8 34. Bf2 d4 35. Bc4 Qd7 36. Qxa5 Nxf4 37. Qd2 Nh3 38. Bh4 f4 39. Rxe8 Rxe8 40. Re1 Re3 41. Rf1 Qg4 42. Bf2 Qf3# 0-1

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "16"]
[White "D'Costa, Lorin AR"]
[Black "Drozdowski, Kacper"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "2375"]
[BlackElo "2448"]
[PlyCount "116"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 a6 5. c5 Nbd7 6. Bf4 Nh5 7. Bg5 b6 8. e4 dxe4 9. Nxe4 Nhf6 10. Bd3 h6 11. Bh4 bxc5 12. 0-0 e6 13. Rc1 Be7 14. Nxc5 Nxc5 15. dxc5 0-0 16. Qe2 Nd5 17. Bxe7 Qxe7 18. Qe4 Nf6 19. Qxc6 Bb7 20. Qd6 Qxd6 21. cxd6 Rfd8 22. Rfd1 Bd5 23. a3 Rxd6 24. Ne5 Nd7 25. Nxd7 Rxd7 26. Bc4 Bc6 27. f3 a5 28. Kf2 Kf8 29. Ke3 Rb8 30. Rxd7 Bxd7 31. Rc2 a4 32. Kd4 Ke7 33. Kc5 g5 34. Rd2 h5 35. Be2 h4 36. Bd1 Rb5+ 37. Kc4 Re5 38. Kb4 Rb5+ 39. Kc4 Rb8 40. b4 axb3 41. Bxb3 Bc6 42. Kc3 h3 43. Bd1 hxg2 44. Rxg2 f6 45. Rg4 Rb1 46. Be2 Rh1 47. Rg2 Kd6 48. Kb4 Ke5 49. Rf2 Kf4 50. Kc5 Bd5 51. a4 Ke3 52. Rg2 g4 53. Rxg4 Kxe2 54. f4 Kf3 55. Rh4 f5 56. a5 Rc1+ 57. Kb6 Rc4 58. a6 Rxf4 0-1

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "17"]
[White "D'Costa, Lorin AR"]
[Black "Herega, Nejc"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "2375"]
[BlackElo "2164"]
[PlyCount "137"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. g3 Bb4 7. Bg2 0-0 8. 0-0 Bxc3 9. bxc3 d5 10. cxd5 Nxd4 11. cxd4 exd5 12. Bg5 Be6 13. Qb3 b6 14. e3 Rc8 15. Bxf6 gxf6 16. Rfc1 Qd6 17. Bf1 Rc7 18. Ba6 Rd8 19. Rxc7 Qxc7 20. Qb2 Rd6 21. Bb5 Qb7 22. Rc1 Rd8 23. Qa3 a5 24. Kg2 Rc8 25. Rc3 Kg7 26. Qc1 Rxc3 27. Qxc3 Qe7 28. h4 Qd6 29. Kf1 Bg4 30. Ke1 Qe6 31. Bd3 Bf3 32. Bf1 Qe7 33. Kd2 Qb7 34. Kc1 b5 35. Qxa5 b4 36. Qc5 Be4 37. Kb2 Bf3 38. Qb5 Qe7 39. Kb3 Bd1+ 40. Kb2 Qc7 41. Qd3 Ba4 42. Be2 h6 43. Qd2 Qb6 44. Bd1 Bd7 45. Bb3 Be6 46. Qc2 Qb5 47. Ba4 Qb6 48. Kb3 Bg4 49. Qd2 h5 50. Qxb4 Bd1+ 51. Ka3 Qa7 52. Qb5 Bc2 53. Kb4 Qe7+ 54. Kc3 Be4 55. Qc5 Qb7 56. Bb3 Qd7 57. Kb2 Qf5 58. Ka3 Qxf2 59. Bxd5 Qxe3+ 60. Bb3 Qxg3 61. d5 Qe5 62. Kb4 Qb8+ 63. Kc3 Bg6 64. d6 Be4 65. Qg1+ Kf8 66. Qd4 Qc8+ 67. Kb2 Bc6 68. Qxf6 Qd7 69. Qh8# 1-0

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "4"]
[White "D'Costa, Lorin AR"]
[Black "Kolesnikovs, Ivans"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2375"]
[BlackElo "2052"]
[PlyCount "99"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 d4 5. 0-0 c5 6. b4 cxb4 7. a3 bxa3 8. d3 Be7 9. Bxa3 Bxa3 10. Qa4+ Nc6 11. Qxa3 Qe7 12. Nbd2 Qxa3 13. Rxa3 0-0 14. Rb1 Rb8 15. Nb3 e5 16. Na5 Bd7 17. Nd2 h6 18. Nxb7 Ne7 19. Rxa7 Ng6 20. Raa1 Bg4 21. Kf1 Bf5 22. Nd6 Be6 23. N2e4 Nd7 24. Nb7 f5 25. Nec5 Nxc5 26. Nxc5 Bf7 27. Nd7 Rxb1+ 28. Rxb1 Rd8 29. Rb7 e4 30. dxe4 Bxc4 31. exf5 Ne7 32. Be4 Nc8 33. Ne5 Nd6 34. Nxc4 Nxe4 35. Re7 Nc3 36. g4 d3 37. exd3 Rxd3 38. Ne5 Rd2 39. Ng6 Rd8 40. Kg2 Nd5 41. Rb7 Nf6 42. h3 Kh7 43. Nf4 Rd2 44. Ne6 Ne8 45. Re7 Nd6 46. Rxg7+ Kh8 47. Rd7 h5 48. g5 Rd5 49. g6 Rd2 50. Rd8+ 1-0

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "11"]
[White "D'Costa, Lorin AR"]
[Black "Martynkova, Olena"]
[Result "1/2-1/2"]
[ECO "E67"]
[WhiteElo "2375"]
[BlackElo "2227"]
[PlyCount "113"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. d4 d6 6. Nc3 Nbd7 7. 0-0 e5 8. e3 Re8 9. Qc2 c6 10. b3 exd4 11. Nxd4 Nc5 12. Bb2 Qe7 13. h3 Nce4 14. Rad1 Nxc3 15. Bxc3 Bd7 16. Rfe1 a6 17. e4 c5 18. Ne2 Bc6 19. Nf4 h5 20. e5 dxe5 21. Bxc6 bxc6 22. Rxe5 Qf8 23. Rde1 Rxe5 24. Bxe5 Rd8 25. Qc3 Ne8 26. Nd3 Bxe5 27. Nxe5 Qg7 28. Qe3 Nd6 29. Qxc5 Nf5 30. Nxc6 Rd2 31. Ne7+ Nxe7 32. Qxe7 Rxa2 33. c5 Qd4 34. Qe8+ Kg7 35. Qe3 Qf6 36. b4 Rb2 37. Rc1 Rxb4 38. c6 Rb8 39. Qa7 Rc8 40. Qxa6 Rc7 41. Qb6 Qe5 42. h4 Kf6 43. Qc5 Qxc5 44. Rxc5 Ke6 45. Kg2 Kd6 46. Rc2 Rxc6 47. Rxc6+ Kxc6 48. Kf3 Kd6 49. Kf4 f6 50. f3 Ke6 51. g4 hxg4 52. fxg4 Kf7 53. h5 gxh5 54. gxh5 Kg7 55. Kf5 Kh6 56. Kxf6 Kxh5 57. Ke5 1/2-1/2

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "6"]
[White "D'Costa, Lorin AR"]
[Black "Santos Latasa, Jaime"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2375"]
[BlackElo "2668"]
[PlyCount "51"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 g6 7. 0-0 Bg7 8. Ng5 e6 9. Nge4 b6 10. d3 0-0 11. Bg5 f6 12. Bd2 Nde7 13. a3 h6 14. Be3 Bb7 15. Rc1 f5 16. Nd2 Nd5 17. Nxd5 exd5 18. b4 d4 19. Bf4 g5 20. Qb3+ Kh7 21. bxc5 gxf4 22. cxb6 Na5 23. Qb5 Qxb6 24. Rb1 Bxg2 25. Kxg2 Rab8 26. Qxb6 0-1

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "19"]
[White "D'Costa, Lorin AR"]
[Black "Schneider, Ilja"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "2375"]
[BlackElo "2483"]
[PlyCount "80"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. Nc3 a6 5. c5 Nbd7 6. Bf4 Nh5 7. Bg5 h6 8. Bd2 Nhf6 9. Bf4 g5 10. Bg3 Nh5 11. e4 dxe4 12. Nxe4 Bg7 13. Bc4 Nxg3 14. hxg3 Nf6 15. Qe2 Nxe4 16. Qxe4 Qa5+ 17. Kf1 Qb4 18. Bb3 a5 19. Ne5 Rf8 20. Re1 e6 21. Nc4 a4 22. Nd6+ Kd8 23. Bc4 Qxb2 24. Rd1 Kc7 25. g4 f5 26. gxf5 b5 27. Bxe6 Bxe6 28. Qxe6 Rad8 29. Rh3 Bxd4 30. Rf3 g4 31. Rf4 g3 32. Rdxd4 Qc1+ 33. Qe1 Qxc5 34. Qe7+ Kb6 35. fxg3 Rfe8 36. Qb7+ Ka5 37. Rd1 Rxd6 38. Rxd6 Qc1+ 39. Kf2 Qe1+ 40. Kf3 Qe2# 0-1

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "14"]
[White "D'Costa, Lorin AR"]
[Black "Szczurek, Krzysztof"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "2375"]
[BlackElo "2163"]
[PlyCount "57"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 c5 5. d4 0-0 6. 0-0 d6 7. Nc3 Nbd7 8. b3 Rb8 9. Bb2 a6 10. a4 b6 11. e4 Bb7 12. Re1 cxd4 13. Nxd4 Nc5 14. Nd5 a5 15. Rb1 e6 16. Nxf6+ Bxf6 17. Nb5 Be7 18. f4 Bc6 19. Nd4 Bb7 20. Qc2 e5 21. Nb5 f6 22. Rbd1 exf4 23. gxf4 Bc6 24. Nd4 Bd7 25. e5 fxe5 26. fxe5 Bh4 27. Bd5+ Kh8 28. e6 Qg5+ 29. Kh1 1-0

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "15"]
[White "Drozdowski, Kacper"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2448"]
[BlackElo "2375"]
[PlyCount "55"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. dxc5 Bxc5 6. Ngf3 Nf6 7. Bd3 0-0 8. Qe2 a6 9. Ne4 Be7 10. 0-0 Nbd7 11. Bg5 h6 12. Bh4 Qa5 13. c4 Re8 14. a3 Qc7 15. Bg3 Qb6 16. b4 Nxe4 17. Bxe4 Nf6 18. c5 Qa7 19. Rad1 Bd7 20. Bd3 Bc6 21. Ne5 Bd5 22. Nc4 Bxc4 23. Bxc4 a5 24. Bc7 axb4 25. axb4 Qa3 26. Rb1 Rec8 27. Be5 Qa7 28. Ra1 1-0

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "18"]
[White "Herega, Nejc"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2164"]
[BlackElo "2375"]
[PlyCount "130"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. g3 Ba6 5. Qc2 Bb7 6. Bg2 c5 7. dxc5 Bxc5 8. 0-0 Be7 9. b3 d6 10. Bb2 Nbd7 11. Nc3 a6 12. Rad1 Qc7 13. Qb1 0-0 14. Rd2 Rac8 15. a4 Nc5 16. Qa2 d5 17. cxd5 Nxd5 18. Nxd5 Bxd5 19. Be5 Qb7 20. Rb1 Rfd8 21. Bd4 b5 22. Bxc5 Bxc5 23. axb5 Qxb5 24. Qb2 Bb4 25. Rc2 Rxc2 26. Qxc2 Qb7 27. Rd1 Rc8 28. Qb1 Be7 29. Rd3 Be4 30. Ne1 Bxd3 31. Bxb7 Bxb1 32. Bxc8 a5 33. Bd7 Kf8 34. Bb5 Bb4 35. Nf3 Ke7 36. Ne5 Bc3 37. Nc4 f6 38. Kf1 Bc2 39. Ba4 e5 40. f3 Ke6 41. Kf2 Bd4+ 42. e3 Bc3 43. Ke2 h5 44. h3 g5 45. g4 h4 46. Nd2 Kd5 47. e4+ Kc5 48. Nc4 Kd4 49. Nd6 Bd3+ 50. Kf2 Bb4 51. Ne8 Be7 52. Nc7 Kc5 53. Nd5 Bd8 54. Ke3 Bf1 55. Kf2 Ba6 56. Ke3 Bf1 57. Kf2 Bxh3 58. Ne3 Kd4 59. Nd1 Bb6 60. Ke2 Bg2 61. Ne3 Bh3 62. Nd1 Bg2 63. Ne3 h3 64. Nxg2 h2 65. Ne3 h1Q 0-1

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "3"]
[White "Kolesnikovs, Ivans"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "C20"]
[WhiteElo "2052"]
[BlackElo "2375"]
[PlyCount "106"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. e4 Bc5 4. Nf3 d6 5. d3 a6 6. Be2 h6 7. 0-0 Nf6 8. a3 0-0 9. b4 Ba7 10. Nd5 Be6 11. Be3 Nd7 12. Bxa7 Rxa7 13. Ne3 Nf6 14. Qc2 Ne7 15. d4 Ng6 16. Rad1 Qc8 17. Nd5 Nd7 18. dxe5 dxe5 19. Rd2 c6 20. Ne3 Re8 21. Rfd1 Ndf8 22. c5 a5 23. Bc4 axb4 24. axb4 Bxc4 25. Nxc4 Qg4 26. h3 Qh5 27. Rd8 Ra8 28. Rxe8 Rxe8 29. Nd6 Rb8 30. Qc4 Nf4 31. Qb3 N8e6 32. Nf5 Ra8 33. Ng3 Qg6 34. Nh4 Qf6 35. Nhf5 h5 36. Qf3 g6 37. Nd6 Nxh3+ 38. Kh2 Nhf4 39. Nc4 Nd4 40. Qe3 h4 41. Nf1 Qe7 42. Nb6 Rd8 43. Ra1 Nc2 44. Qc1 Nxa1 45. Qxa1 h3 46. g3 Nd3 47. Qa2 Nxb4 48. Qc4 Nd3 49. Ne3 Nxf2 50. Na4 Rd2 51. Qc3 Ng4+ 52. Kxh3 Nf2+ 53. Kh2 Nxe4+ 0-1

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "21"]
[White "Lajbl, Jan"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2225"]
[BlackElo "2375"]
[PlyCount "72"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. exd5 Qxd5 6. Bc4 Qd7 7. 0-0 a6 8. a4 Nc6 9. Nb3 Qc7 10. Nbxd4 Bd7 11. Re1 Nf6 12. Nf5 0-0-0 13. Ng3 Bd6 14. Qe2 h6 15. c3 g5 16. b4 g4 17. Nh4 Kb8 18. b5 Ne5 19. Ba2 a5 20. b6 Qxb6 21. Be3 Qc7 22. Rab1 Bc5 23. Bf4 Nf3+ 24. Nxf3 Qxf4 25. Ne5 Bc8 26. Nc6+ Ka8 27. Nxd8 Rxd8 28. Rb5 Rd2 29. Rxa5+ Kb8 30. Qe5+ Qxe5 31. Rxe5 Bxf2+ 32. Kf1 Rxa2 33. Nh5 Nxh5 34. Rxh5 Be3 35. Rh4 f5 36. h3 Bg5 0-1

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "12"]
[White "Martynkova, Olena"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2227"]
[BlackElo "2375"]
[PlyCount "97"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. h3 Bb7 5. e3 Be7 6. Be2 0-0 7. 0-0 c5 8. c3 cxd4 9. exd4 d6 10. Nbd2 Nbd7 11. a4 a6 12. Bh2 Re8 13. Nc4 Qc7 14. Ne3 Bf8 15. Nd2 g6 16. Bf3 e5 17. dxe5 dxe5 18. Bxb7 Qxb7 19. Ndc4 Qc6 20. Qe2 b5 21. axb5 axb5 22. Na5 Qb6 23. Nb3 h5 24. Rfd1 Rxa1 25. Rxa1 Nc5 26. Nxc5 Bxc5 27. Rd1 e4 28. Bg3 Kg7 29. Bh4 Re6 30. b4 Bxe3 31. Qxe3 Qxe3 32. fxe3 Rc6 33. Bxf6+ Kxf6 34. Rd4 Ke5 35. Rd7 Rxc3 36. Rxf7 Rb3 37. Rg7 Kf6 38. Rb7 Rxb4 39. Kf2 h4 40. Rb8 Rb2+ 41. Kf1 b4 42. Re8 Kf5 43. Rf8+ Ke5 44. Re8+ Kd5 45. Rg8 Kc4 46. Rxg6 Kd3 47. g4 hxg3 48. Rxg3 b3 49. Rg8 0-1

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "5"]
[White "Santos Latasa, Jaime"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2668"]
[BlackElo "2375"]
[PlyCount "49"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. 0-0 g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 0-0 9. Qh4 d6 10. Bh6 Nbd7 11. Rac1 Rc8 12. b3 Rc5 13. Bxg7 Kxg7 14. Rfd1 Qa8 15. Qd4 Ne5 16. Ne1 Bxg2 17. Nxg2 Qb7 18. Nf4 a6 19. Ncd5 Nxd5 20. Nxd5 Kg8 21. b4 Rc6 22. f4 Ng4 23. Qe4 Re8 24. h3 Nh6 25. Nf6+ 1-0

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "20"]
[White "Schneider, Ilja"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2483"]
[BlackElo "2375"]
[PlyCount "157"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 Nbd7 6. Nc3 c6 7. Nge2 Bd6 8. 0-0 0-0 9. Nb1 e5 10. Nbc3 Re8 11. Ng3 exd4 12. Qxd4 Ne5 13. Be2 Bc7 14. Qxd8 Rxd8 15. Bg5 Re8 16. Bxf6 gxf6 17. Nce4 Re7 18. Nxf6+ Kg7 19. Nfh5+ Kh8 20. Rfe1 Be6 21. Nf4 Bd7 22. Bd3 Rae8 23. Kf1 Ng4 24. Rxe7 Rxe7 25. Nfh5 Nxh2+ 26. Kg1 Ng4 27. Nf5 Bxf5 28. Bxf5 Ne5 29. Rd1 Kg8 30. Nf6+ Kg7 31. Nh5+ Kh6 32. Ng3 Kg5 33. Bxh7 Bb6 34. Kf1 Ng4 35. Rd2 f6 36. Bd3 Nh2+ 37. Kg1 Ng4 38. Ne4+ Kh6 39. g3 f5 40. Nd6 Re1+ 41. Kg2 f4 42. gxf4 Nf6 43. Nxb7 Nh5 44. Kf3 Rh1 45. Be4 Rh3+ 46. Kg4 Rh2 47. Rd6+ Kg7 48. Rd7+ Kf8 49. Bxc6 Nf6+ 50. Kg3 Rh6 51. Rd1 Nh5+ 52. Kg4 Nxf4 53. Kxf4 Rxc6 54. c3 Rf6+ 55. Ke4 Rxf2 56. Rb1 Ke7 57. a4 Kd7 58. a5 Bc7 59. b4 Kc6 60. Nc5 Bxa5 61. Nd3 Re2+ 62. Kf3 Rc2 63. bxa5 Rxc3 64. Ke4 Rc4+ 65. Ke5 Ra4 66. a6 Ra5+ 67. Kd4 Kd6 68. Rh1 Ra4+ 69. Kc3 Kc7 70. Rh7+ Kb8 71. Nc5 Ra3+ 72. Kb4 Ra1 73. Rb7+ Ka8 74. Re7 Rb1+ 75. Kc4 Rb8 76. Ne6 Rc8+ 77. Kb5 Kb8 78. Nd4 Ka8 79. Nc6 1-0

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "13"]
[White "Szczurek, Krzysztof"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2163"]
[BlackElo "2375"]
[PlyCount "132"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 a6 4. e3 e6 5. Nf3 c5 6. Be2 Nc6 7. 0-0 Be7 8. Qd2 0-0 9. Ne5 Nd7 10. Nxd7 Bxd7 11. Rad1 cxd4 12. exd4 Bf6 13. Be3 Rc8 14. Rb1 Na5 15. Nd1 Qb6 16. c3 Bb5 17. Bxb5 Qxb5 18. Bf4 Nc4 19. Qd3 g6 20. Ne3 Qa5 21. a3 Bg7 22. Nxc4 Rxc4 23. h4 b5 24. h5 Qd8 25. h6 Bf6 26. Qg3 a5 27. Rfe1 b4 28. axb4 axb4 29. Bd6 bxc3 30. Bxf8 c2 31. Rbc1 Qxf8 32. Qb3 Rxd4 33. Rxc2 Qxh6 34. Qb8+ Kg7 35. g3 Be7 36. Rc8 Qg5 37. Qe5+ Qxe5 38. Rxe5 Rd1+ 39. Kg2 Rd2 40. Rb8 Bf6 41. Re3 Bxb2 42. Rf3 Bf6 43. Rb4 e5 44. Rb6 Be7 45. Rb7 e4 46. Rf4 Kf8 47. Rb8+ Kg7 48. Rb7 g5 49. Rf5 Kg6 50. Re5 Bf6 51. Re8 Bd4 52. Rg8+ Kf6 53. Rf8 Rxf2+ 54. Kh1 Kg6 55. Rd7 Rf1+ 56. Kg2 Rf2+ 57. Kh1 Rf5 58. g4 Rf1+ 59. Kh2 Be5+ 60. Kg2 Rd1 61. Rg8+ Kf6 62. Rf8 Bf4 63. Rfxf7+ Ke5 64. Rfe7+ Kd4 65. Rxd5+ Kxd5 66. Rd7+ Bd6 0-1

[Event "Barcelona Sant Marti op-A 22nd"]
[Site "Barcelona"]
[Date "2022.07.21"]
[Round "9"]
[White "D'Costa, Lorin AR"]
[Black "Narciso Dublan, Marc"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "2372"]
[BlackElo "2461"]
[PlyCount "124"]
[EventDate "2022.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 f5 2. g3 Nf6 3. Bg2 e5 4. Nc3 Bb4 5. Nd5 a5 6. e3 c6 7. Nxf6+ Qxf6 8. Ne2 Be7 9. d3 d6 10. Nc3 Nd7 11. Qc2 0-0 12. b3 Qg6 13. d4 e4 14. Bb2 Nf6 15. Ne2 d5 16. a4 Qf7 17. 0-0 Be6 18. Rfc1 g5 19. Ba3 Bxa3 20. Rxa3 Qh5 21. Qd1 f4 22. exf4 Bg4 23. Ra2 gxf4 24. gxf4 Kh8 25. Qf1 Bxe2 26. Qxe2 Qxe2 27. Rxe2 Nh5 28. Rc3 Nxf4 29. Rd2 Rf6 30. cxd5 cxd5 31. f3 e3 32. Rxe3 Rg8 33. Rc3 Re6 34. Kf1 Rge8 35. Rcc2 Re3 36. Kf2 Rxb3 37. Bf1 Ree3 38. Be2 Rec3 39. Rxc3 Rxc3 40. Rb2 Ra3 41. Bb5 Ne6 42. Bd7 Nxd4 43. Rxb7 Nxf3 44. Bf5 Ng5 45. Bd7 Ne4+ 46. Kg2 Nc5 47. Ra7 d4 48. Rxa5 Nxd7 49. Ra8+ Kg7 50. Ra7 Kg6 51. Rxd7 Rxa4 52. Kf3 h5 53. Ke4 Kg5 54. Rxd4 Rxd4+ 55. Kxd4 Kg4 56. Ke3 Kh3 57. Kf2 Kxh2 58. Kf1 h4 59. Kf2 h3 60. Kf1 Kg3 61. Kg1 h2+ 62. Kh1 Kh3 1/2-1/2

[Event "Barcelona Sant Marti op-A 22nd"]
[Site "Barcelona"]
[Date "2022.07.20"]
[Round "8"]
[White "Tanaka, Taira Tyler"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2242"]
[BlackElo "2372"]
[PlyCount "76"]
[EventDate "2022.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. d3 g6 4. Qe2 Bg7 5. g3 e6 6. Bg2 Ne7 7. 0-0 c5 8. Re1 Nbc6 9. Nbd2 b6 10. e5 h6 11. h4 Nf5 12. Nf1 Ba6 13. c3 Qc7 14. Bf4 0-0-0 15. Qd2 Kb8 16. b4 Bf8 17. Rab1 Bb7 18. a3 Ka8 19. Ne3 Nxe3 20. Bxe3 Rc8 21. Rb2 d4 22. cxd4 cxd4 23. Nxd4 Nxd4 24. Bxb7+ Qxb7 25. Bxd4 g5 26. h5 Be7 27. Rc1 Rcd8 28. Be3 Rd7 29. Rbc2 Rhd8 30. d4 f5 31. Rc6 f4 32. gxf4 gxf4 33. Bxf4 Bc5 34. Rd6 Rg8+ 35. Kf1 Bxd6 36. exd6 Qa6+ 37. Qe2 Rg1+ 38. Kxg1 Qxe2 0-1

[Event "Barcelona Sant Marti op-A 22nd"]
[Site "Barcelona"]
[Date "2022.07.19"]
[Round "7"]
[White "D'Costa, Lorin AR"]
[Black "Arpan, Das"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2372"]
[BlackElo "2178"]
[PlyCount "115"]
[EventDate "2022.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. Bg5 h6 6. Bh4 d6 7. e3 Nbd7 8. Be2 b6 9. Qc2 Bb7 10. Rd1 Qe8 11. d5 a6 12. 0-0 e5 13. Nd2 Bc8 14. e4 Nh7 15. f3 f5 16. b4 f4 17. Bf2 g5 18. c5 g4 19. cxd6 g3 20. hxg3 fxg3 21. Bxg3 Qg6 22. Bh2 cxd6 23. Nc4 Ng5 24. Kh1 Rf4 25. Ne3 Rf7 26. Nf5 Bf8 27. Rc1 Rb8 28. Nd1 Nf6 29. Nde3 Nh5 30. g3 Nh3 31. f4 Bxf5 32. Nxf5 Rxf5 33. exf5 Nxg3+ 34. Kg2 Nxf5+ 35. Kxh3 Qf6 36. Qc3 Qh4+ 37. Kg2 Rb7 38. Kh1 Rf7 39. Rg1+ Kh8 40. Bg4 Nd4 41. fxe5 dxe5 42. Qg3 Qd8 43. Be6 Rg7 44. Qxe5 Nf3 45. Qxg7+ Bxg7 46. Rc8 Qxc8 47. Bxc8 Nxg1 48. Bxg1 Bf8 49. Bxb6 Bxb4 50. Bc7 Kg7 51. d6 Kf6 52. Bd8+ Ke5 53. d7 Kd5 54. Bc7 Be7 55. d8Q+ Bxd8 56. Bxd8 Kc5 57. Bxa6 Kb4 58. Be7+ 1-0

[Event "Barcelona Sant Marti op-A 22nd"]
[Site "Barcelona"]
[Date "2022.07.18"]
[Round "6"]
[White "Kovchan, Alexander"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2468"]
[BlackElo "2372"]
[PlyCount "81"]
[EventDate "2022.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. 0-0 h6 7. a4 c5 8. c4 dxc4 9. dxc5 Nbc6 10. Bxc4 Ng6 11. Be3 Qxd1 12. Rxd1 a6 13. Be2 Ngxe5 14. Nxe5 Nxe5 15. Na3 Be7 16. Bd4 Nc6 17. Bxg7 Rh7 18. Bc3 Bxc5 19. Nc4 Ke7 20. Bf3 Rg8 21. Bxc6 bxc6 22. b4 Be4 23. bxc5 Rxg2+ 24. Kf1 Rxh2 25. Ne5 Rh3 26. Bb2 Rb3 27. Rd2 f6 28. Ng4 e5 29. Rad1 Bf5 30. Ne3 Bh3+ 31. Ke2 Be6 32. Rh1 h5 33. Rh4 Kf7 34. Ba1 Rb1 35. Bc3 Rb3 36. Ba5 f5 37. f4 Rg7 38. Kf2 Rg4 39. Nxg4 hxg4 40. Rh7+ Kg6 41. Re7 1-0

[Event "Barcelona Sant Marti op-A 22nd"]
[Site "Barcelona"]
[Date "2022.07.17"]
[Round "5"]
[White "D'Costa, Lorin AR"]
[Black "Martin Barcelo, Carles"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2372"]
[BlackElo "2221"]
[PlyCount "59"]
[EventDate "2022.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 c5 7. d5 e6 8. Nf3 exd5 9. cxd5 Bg4 10. Nd2 Bxe2 11. Qxe2 Re8 12. 0-0 Na6 13. f3 Nc7 14. Qd3 b5 15. Rae1 a6 16. Kh1 Rc8 17. Bg5 h6 18. Bh4 g5 19. Bf2 Nd7 20. Qc2 Ne5 21. b3 c4 22. bxc4 bxc4 23. Rb1 Qf6 24. Bd4 Qe7 25. Rb7 Nd7 26. Bxg7 Kxg7 27. Nxc4 Nb5 28. Nxb5 axb5 29. Qb2+ Qf6 30. Qxf6+ 1-0

[Event "Barcelona Sant Marti op-A 22nd"]
[Site "Barcelona"]
[Date "2022.07.16"]
[Round "4"]
[White "Pimpalkhare, Vedant"]
[Black "D'Costa, Lorin AR"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2057"]
[BlackElo "2372"]
[PlyCount "53"]
[EventDate "2022.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. e3 Bb7 4. c4 e6 5. Bd3 d5 6. Nbd2 Nbd7 7. 0-0 Be7 8. b3 0-0 9. Bb2 c5 10. Qe2 Rc8 11. Rfd1 Rc7 12. cxd5 Nxd5 13. Rac1 Qa8 14. Bb1 Rfc8 15. Nc4 cxd4 16. Nxd4 a6 17. Nxe6 fxe6 18. Qg4 N5f6 19. Qxe6+ Kf8 20. Rxd7 Rxd7 21. Bxf6 Bxf6 22. Qxd7 b5 23. Qd6+ Be7 24. Qf4+ Bf6 25. Qd6+ Be7 26. Qf4+ Bf6 27. Qd6+ 1/2-1/2

[Event "Barcelona Sant Marti op-A 22nd"]
[Site "Barcelona"]
[Date "2022.07.15"]
[Round "3"]
[White "D'Costa, Lorin AR"]
[Black "Phadke, Sohan"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2372"]
[BlackElo "2177"]
[PlyCount "91"]
[EventDate "2022.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 d5 5. cxd5 exd5 6. d4 Nf6 7. 0-0 Be7 8. Nc3 0-0 9. Bg5 c4 10. Ne5 Be6 11. Nxc6 bxc6 12. b3 h6 13. Bxf6 Bxf6 14. Na4 Rb8 15. bxc4 Rb4 16. e3 Rxc4 17. Rc1 Rxc1 18. Qxc1 Qa5 19. Qc2 Bf5 20. Qxf5 Qxa4 21. Qb1 Bd8 22. Rc1 Bb6 23. Qc2 Qxc2 24. Rxc2 Rc8 25. Bxd5 c5 26. Bc4 Kf8 27. d5 Ke7 28. d6+ Kxd6 29. Bxf7 Ba5 30. Bc4 Ke7 31. Kf1 Rd8 32. Ke2 g5 33. f4 gxf4 34. gxf4 Bc7 35. Kf3 Ba5 36. Rg2 Kf6 37. Rc2 Ke7 38. Rb2 Bb4 39. Ke2 a5 40. Rc2 a4 41. e4 Rd4 42. Ke3 Rd1 43. e5 Rd4 44. f5 Bd2+ 45. Rxd2 Rxc4 46. Rd6 1-0

[Event "Barcelona Sant Marti op-A 22nd"]
[Site "Barcelona"]
[Date "2022.07.14"]
[Round "2"]
[White "Canal Oliveras, Joan"]
[Black "D'Costa, Lorin AR"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2149"]
[BlackElo "2372"]
[PlyCount "75"]
[EventDate "2022.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 g6 4. h3 Bg7 5. Nf3 dxe4 6. Nxe4 Nf6 7. Nxf6+ exf6 8. Bd3 0-0 9. 0-0 Be6 10. Re1 a5 11. c4 Na6 12. Bf4 Re8 13. Rc1 Qd7 14. Qd2 a4 15. a3 Bf8 16. Bf1 Bd6 17. d5 cxd5 18. cxd5 Bxf4 19. Qxf4 Bxd5 20. Qxf6 Rxe1 21. Rxe1 Nc5 22. Re7 Qc6 23. Qf4 Rf8 24. Bc4 Bxc4 25. Qxc4 Qd6 26. Qh4 b6 27. Ne5 Kg7 28. Nc4 Qd1+ 29. Kh2 b5 30. Ne3 Qd6+ 31. Kg1 Nd3 32. Qg5 Qf6 33. Qxf6+ Kxf6 34. Nd5+ Kg7 35. Rb7 Nxb2 36. Rxb5 Nc4 37. Rb4 Nxa3 38. Rxa4 1/2-1/2

[Event "Barcelona Sant Marti op-A 22nd"]
[Site "Barcelona"]
[Date "2022.07.13"]
[Round "1"]
[White "D'Costa, Lorin AR"]
[Black "Comellas Blanchart, Jordi"]
[Result "1-0"]
[ECO "A64"]
[WhiteElo "2372"]
[BlackElo "1945"]
[PlyCount "81"]
[EventDate "2022.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. d4 d6 6. Nf3 c5 7. d5 e6 8. 0-0 Re8 9. Nd2 exd5 10. cxd5 a6 11. a4 Nbd7 12. a5 b5 13. axb6 Nxb6 14. Nb3 Nc4 15. Ra4 Nb6 16. Ra2 Nc4 17. Qd3 Ne5 18. Qc2 a5 19. h3 Ba6 20. f4 Nc4 21. e4 Rb8 22. Re1 Nh5 23. Kh2 Qb6 24. Nd2 Nxd2 25. Qxd2 Bd4 26. Ra3 c4 27. Rd1 Bf2 28. Na4 Qa7 29. Rf3 Bxg3+ 30. Rxg3 Nxg3 31. Kxg3 Rb3+ 32. Nc3 Qe7 33. Kh2 Qf6 34. Re1 a4 35. Nxa4 Rd3 36. Qf2 h5 37. Nc3 g5 38. e5 dxe5 39. Ne4 Qd8 40. fxg5 Kg7 41. Nf6 1-0

[Event "BCF-chT 2122 (4NCL)"]
[Site "England"]
[Date "2022.05.02"]
[Round "9.52"]
[White "D'Costa, Lorin AR"]
[Black "Makkar, Rajat"]
[Result "1/2-1/2"]
[ECO "D23"]
[WhiteElo "2377"]
[BlackElo "2279"]
[PlyCount "101"]
[EventDate "2021.11.27"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Barbican"]
[BlackTeam "The Sharks"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 dxc4 5. Qxc4 Bf5 6. g3 e6 7. Bg2 Nbd7 8. 0-0 Be7 9. e3 0-0 10. Qe2 Bg6 11. Rd1 Rc8 12. Nc3 b5 13. a3 a5 14. h3 b4 15. Na4 Qc7 16. axb4 axb4 17. b3 c5 18. Bb2 c4 19. bxc4 Qxc4 20. Qxc4 Rxc4 21. Ne1 Nd5 22. Bf1 Rc7 23. Rdc1 Rfc8 24. Ba6 Rxc1 25. Rxc1 Ra8 26. Bb5 N7b6 27. Nxb6 Nxb6 28. Ra1 Rxa1 29. Bxa1 b3 30. Bb2 Bb4 31. Kf1 h5 32. Ke2 Nd5 33. Bc4 Nc3+ 34. Bxc3 Bxc3 35. Bxb3 Bf5 36. h4 Bg4+ 37. Kf1 Bh3+ 38. Ke2 Bg4+ 39. Kf1 Bh3+ 40. Ng2 g6 41. Kg1 Bxg2 42. Kxg2 Kg7 43. d5 exd5 44. Bxd5 Kf6 45. f4 Kg7 46. e4 f6 47. Kf3 Bd4 48. Bc6 Bc3 49. Be8 Bd4 50. f5 gxf5 51. Bxh5 1/2-1/2

[Event "BCF-chT 2122 (4NCL)"]
[Site "England"]
[Date "2022.05.01"]
[Round "8.42"]
[White "Tanmay, Chopra"]
[Black "D'Costa, Lorin AR"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2313"]
[BlackElo "2377"]
[PlyCount "65"]
[EventDate "2021.11.27"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Cambridge University"]
[BlackTeam "Barbican"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Ba6 5. Qc2 Bb7 6. Nc3 c5 7. e4 cxd4 8. Nxd4 Bc5 9. Nf3 Nc6 10. b4 Be7 11. Bf4 Nh5 12. Be3 Qb8 13. Rd1 d6 14. Be2 Nf6 15. h3 0-0 16. 0-0 Rc8 17. Qb3 Ne5 18. Nd2 Ned7 19. f4 a6 20. f5 e5 21. a4 h6 22. g3 Qc7 23. Rc1 Qd8 24. h4 Qf8 25. Nd5 Bd8 26. Kg2 b5 27. a5 bxc4 28. Bxc4 Rab8 29. Ba7 Ra8 30. Bg1 Rab8 31. Ba7 Ra8 32. Bg1 Rab8 33. Ba7 1/2-1/2

[Event "BCF-chT 2122 (4NCL)"]
[Site "England"]
[Date "2022.04.30"]
[Round "7.42"]
[White "D'Costa, Lorin AR"]
[Black "Townsend, M Paul"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2377"]
[BlackElo "2165"]
[PlyCount "96"]
[EventDate "2021.11.27"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Barbican"]
[BlackTeam "Chessable White Rose II"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. 0-0 0-0 6. b3 c5 7. Bb2 Nc6 8. e3 d4 9. exd4 cxd4 10. Re1 Re8 11. Ne5 Nxe5 12. Rxe5 Bf8 13. d3 Nd7 14. Re1 e5 15. Ba3 Qc7 16. Bxf8 Nxf8 17. Na3 Bd7 18. Nb5 Qb8 19. Qd2 Bc6 20. Re2 Nd7 21. Rae1 Bxg2 22. Kxg2 Re6 23. f4 a6 24. Na3 Qd6 25. Nc2 Rae8 26. fxe5 Nxe5 27. Re4 Nc6 28. Rxe6 Rxe6 29. Rxe6 Qxe6 30. Qf2 Qe5 31. Qf3 Kf8 32. b4 Ke8 33. Kf2 f6 34. a3 h5 35. a4 a5 36. b5 Nb4 37. Ne1 b6 38. Qa8+ Kf7 39. Qf3 h4 40. Kf1 g5 41. gxh4 gxh4 42. Ng2 Qxh2 43. Nf4 Nc2 44. Qb7+ Kg8 45. Qc8+ Kg7 46. Qg4+ Kf8 47. Qc8+ Kg7 48. Qg4+ Kf8 1/2-1/2

[Event "EU-ch 21st"]
[Site "Reykjavik"]
[Date "2021.09.05"]
[Round "11"]
[White "D'Costa, Lorin AR"]
[Black "Player, Edmund C"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2381"]
[BlackElo "2172"]
[PlyCount "53"]
[EventDate "2021.08.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISL"]
[SourceTitle "CBM 204"]
[Source "ChessBase"]
[SourceDate "2021.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.31"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. 0-0 Nf6 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 a6 10. Ng5 Bxg2 11. Kxg2 Ra7 12. Be3 Rb7 13. Rac1 0-0 14. b3 Nc6 15. Qd2 Qa8 16. f3 Rd8 17. Qc2 h6 18. Nge4 b5 19. Nxf6+ Bxf6 20. Qe4 Ne7 21. Rd2 bxc4 22. bxc4 d5 23. cxd5 Bxc3 24. Rxc3 Nxd5 25. Rcd3 Nxe3+ 26. Qxe3 Rbb8 27. Rxd8+ 1/2-1/2

[Event "EU-ch 21st"]
[Site "Reykjavik"]
[Date "2021.09.04"]
[Round "10"]
[White "Suleymanli, Aydin Elshan"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2536"]
[BlackElo "2381"]
[PlyCount "61"]
[EventDate "2021.08.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISL"]
[SourceTitle "CBM 204"]
[Source "ChessBase"]
[SourceDate "2021.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.31"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 dxc4 4. Bxc4 e6 5. Qc2 c5 6. b3 a6 7. Bb2 Nbd7 8. Be2 b6 9. d3 Bb7 10. Nbd2 Rc8 11. a3 b5 12. Rc1 Be7 13. g4 0-0 14. g5 Nd5 15. Ne4 Re8 16. h4 Bf8 17. h5 f5 18. gxf6 N5xf6 19. h6 g6 20. Nfg5 Nxe4 21. Nxe4 Bxe4 22. dxe4 Qg5 23. Rd1 Rc7 24. Qc3 e5 25. Qa5 Ra7 26. Bxb5 axb5 27. Qxa7 Nf6 28. Qb7 Qg2 29. Rf1 Bxh6 30. Qxb5 Bxe3 31. fxe3 1-0

[Event "EU-ch 21st"]
[Site "Reykjavik"]
[Date "2021.09.03"]
[Round "9"]
[White "D'Costa, Lorin AR"]
[Black "Stremavicius, Pijus"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2381"]
[BlackElo "2146"]
[PlyCount "87"]
[EventDate "2021.08.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISL"]
[SourceTitle "CBM 204"]
[Source "ChessBase"]
[SourceDate "2021.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 d5 6. exd5 Nxd5 7. 0-0 Be7 8. Rd1 Bf6 9. Nc3 Nxc3 10. dxc3 Qb6 11. Ng5 0-0 12. h4 e5 13. Be4 g6 14. h5 Ne7 15. b3 h6 16. Nxf7 Kxf7 17. hxg6+ Nxg6 18. Qh5 Rg8 19. Bxh6 Be6 20. Rd3 Rad8 21. Rad1 c4 22. Rxd8 Bxd8 23. Be3 Qc7 24. Qh7+ Kf6 25. Bxg6 Qxh7 26. Bxh7 Rh8 27. Be4 b6 28. Kg2 Bh3+ 29. Kf3 Rg8 30. Rh1 Bg4+ 31. Kg2 Bf5 32. Rh6+ Rg6 33. Rxg6+ Kxg6 34. Kf3 a5 35. bxc4 Kf6 36. Bxf5 Kxf5 37. g4+ Ke6 38. Ke4 a4 39. g5 Bc7 40. f4 exf4 41. Bxf4 Bd8 42. Be3 Be7 43. g6 Kf6 44. Bg5+ 1-0

[Event "EU-ch 21st"]
[Site "Reykjavik"]
[Date "2021.09.01"]
[Round "7"]
[White "D'Costa, Lorin AR"]
[Black "Ragnarsson, Johann Hjortur"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2381"]
[BlackElo "1916"]
[PlyCount "55"]
[EventDate "2021.08.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISL"]
[SourceTitle "CBM 204"]
[Source "ChessBase"]
[SourceDate "2021.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. 0-0 e6 5. d3 h6 6. c4 c6 7. b3 Nbd7 8. Bb2 Be7 9. Nbd2 0-0 10. a3 a5 11. Rc1 b5 12. Nd4 Qb6 13. cxb5 cxb5 14. Nxf5 exf5 15. Nf3 Bc5 16. Rc2 b4 17. a4 Ng4 18. d4 Bd6 19. Nh4 f4 20. e4 Nxf2 21. Kxf2 fxg3+ 22. hxg3 Ne5 23. Nf5 dxe4 24. Bxe4 Rad8 25. Kg2 g6 26. dxe5 Bxe5 27. Ne7+ Kh7 28. Nd5 1-0

[Event "EU-ch 21st"]
[Site "Reykjavik"]
[Date "2021.08.31"]
[Round "6"]
[White "Ferreira, Jorge Viterbo"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2520"]
[BlackElo "2381"]
[PlyCount "97"]
[EventDate "2021.08.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISL"]
[SourceTitle "CBM 204"]
[Source "ChessBase"]
[SourceDate "2021.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 Qc7 4. Bd3 dxe4 5. Nxe4 Bf5 6. Qf3 Bxe4 7. Bxe4 Nf6 8. Bf4 Qa5+ 9. Bd2 Qb6 10. Ne2 Nbd7 11. Bd3 g6 12. 0-0 Bg7 13. a4 0-0 14. a5 Qc7 15. a6 b5 16. Bf4 Qb6 17. c3 Rae8 18. Rfe1 Nd5 19. Be4 N7f6 20. Be5 Nxe4 21. Qxe4 Rd8 22. Bxg7 Kxg7 23. Nc1 Nf6 24. Qe3 Nd5 25. Qe5+ f6 26. Qg3 c5 27. dxc5 Qxc5 28. Nb3 Qb6 29. Qf3 Rfe8 30. Red1 e6 31. g3 Rd6 32. Na5 Qc7 33. Nb7 Rb6 34. b4 Nxc3 35. Rac1 Rc6 36. Kg2 Nd5 37. Nc5 Re7 38. Qe2 Kf7 39. Qxb5 Qb6 40. Qa4 Rec7 41. Rd4 Rd6 42. Kg1 Qc6 43. b5 Qe8 44. Rdc4 Re7 45. Nb7 Rb6 46. Rc8 Qd7 47. Rd8 Rxb7 48. axb7 Qxd8 49. Rc8 1-0

[Event "EU-ch 21st"]
[Site "Reykjavik"]
[Date "2021.08.30"]
[Round "5"]
[White "Petrov, Martin"]
[Black "D'Costa, Lorin AR"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2521"]
[BlackElo "2381"]
[PlyCount "81"]
[EventDate "2021.08.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISL"]
[SourceTitle "CBM 204"]
[Source "ChessBase"]
[SourceDate "2021.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. 0-0 h6 7. a4 Ne7 8. a5 a6 9. b4 Nc8 10. c3 Be7 11. Nbd2 Na7 12. Nb3 Nb5 13. Bd2 0-0 14. Ne1 f6 15. f4 fxe5 16. fxe5 Bg5 17. c4 Nc7 18. Rc1 Qe7 19. Bxg5 Qxg5 20. Rc3 dxc4 21. Bxc4 Rad8 22. Rg3 Qe7 23. Qc1 Kh8 24. Qc3 Be4 25. Rxf8+ Rxf8 26. Nd2 Nd5 27. Bxd5 Bxd5 28. Nef3 Rf4 29. h3 Nf8 30. Kh2 Qf7 31. Nc4 Bxc4 32. Qxc4 Ng6 33. Qc5 Ne7 34. Qd6 Nf5 35. Qb8+ Kh7 36. Rg4 Rxg4 37. hxg4 Nxd4 38. Nxd4 Qf4+ 39. Kh3 Qxd4 40. Qxb7 Qe3+ 41. g3 1/2-1/2

[Event "EU-ch 21st"]
[Site "Reykjavik"]
[Date "2021.08.29"]
[Round "4"]
[White "D'Costa, Lorin AR"]
[Black "Basso, Pier Luigi"]
[Result "1/2-1/2"]
[ECO "D23"]
[WhiteElo "2381"]
[BlackElo "2541"]
[PlyCount "153"]
[EventDate "2021.08.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISL"]
[SourceTitle "CBM 204"]
[Source "ChessBase"]
[SourceDate "2021.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Qb3 dxc4 5. Qxc4 Bg4 6. Nbd2 Nbd7 7. g3 e6 8. Bg2 Bd6 9. 0-0 0-0 10. Qb3 Nb6 11. Re1 a5 12. Ne5 a4 13. Qc2 Bh5 14. Ndc4 Nxc4 15. Nxc4 Bc7 16. e3 Nd7 17. Bd2 Bg6 18. Qd1 Qb8 19. b4 Rd8 20. Qc1 e5 21. Bc3 exd4 22. Bxd4 Ne5 23. Qc3 f6 24. h3 Bf7 25. Nd2 Nd7 26. a3 Nb6 27. Rad1 Qc8 28. f4 Qe6 29. Kh2 Nc8 30. Ne4 Nd6 31. Nxd6 Rxd6 32. Bc5 Rdd8 33. e4 Qb3 34. Qc1 h5 35. h4 Be6 36. Be7 Re8 37. Bd6 Bb6 38. f5 Bf7 39. e5 fxe5 40. Bxe5 Bf2 41. Qf4 Bxe1 42. Rxe1 Bd5 43. Qg5 Rxe5 44. Rxe5 Qb2 45. Rxd5 cxd5 46. f6 Qxf6 47. Bxd5+ Kf8 48. Qxh5 Rd8 49. Kh3 b6 50. Qh8+ Ke7 51. Qh5 Rd6 52. b5 Qf1+ 53. Bg2 Qf7 54. Qh8 Rd8 55. Qh7 Rd2 56. Qh8 Rd8 57. Qh7 g5 58. Qc2 gxh4 59. Qc7+ Rd7 60. Qxb6 Qf5+ 61. Kxh4 Qh7+ 62. Kg4 Qg7+ 63. Kh3 Qh8+ 64. Kg4 Qd4+ 65. Qxd4 Rxd4+ 66. Kf5 Rd3 67. b6 Kd6 68. b7 Kc7 69. g4 Rxa3 70. Bc6 Ra1 71. Bxa4 Rxa4 72. g5 Kxb7 73. g6 Kc6 74. g7 Ra8 75. Ke6 Rg8 76. Kf7 Rxg7+ 77. Kxg7 1/2-1/2

[Event "EU-ch 21st"]
[Site "Reykjavik"]
[Date "2021.08.28"]
[Round "3"]
[White "D'Costa, Lorin AR"]
[Black "Johannsson, Birkir Isak"]
[Result "1-0"]
[ECO "D48"]
[WhiteElo "2381"]
[BlackElo "2052"]
[PlyCount "69"]
[EventDate "2021.08.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISL"]
[SourceTitle "CBM 204"]
[Source "ChessBase"]
[SourceDate "2021.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. d5 Qc7 11. 0-0 Bb7 12. Bc2 Bd6 13. dxe6 fxe6 14. Ng5 Nf8 15. f4 0-0-0 16. Qe2 h6 17. Nf3 Bxf4 18. e5 Bxf3 19. Qxf3 Bxe5 20. Qa8+ Kd7 21. Qxa6 Ke7 22. h3 N8d7 23. Nxb5 Qb8 24. Be3 Nd5 25. Na7 Nb4 26. Nc6+ Nxc6 27. Qxc6 Qd6 28. Qe4 Bd4 29. Rad1 Nf6 30. Qg6 Rhg8 31. Kh1 Qb6 32. Bxd4 cxd4 33. Bb3 d3 34. Rfe1 Rd6 35. Rxd3 1-0

[Event "EU-ch 21st"]
[Site "Reykjavik"]
[Date "2021.08.27"]
[Round "2"]
[White "Moller, Agnar T"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "1932"]
[BlackElo "2381"]
[PlyCount "72"]
[EventDate "2021.08.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISL"]
[SourceTitle "CBM 204"]
[Source "ChessBase"]
[SourceDate "2021.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.31"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. e3 Nc6 4. exd4 Nxd4 5. Nxd4 Qxd4 6. Nc3 c6 7. d3 Nh6 8. Be2 g6 9. Be3 Qd8 10. g4 f5 11. h3 e5 12. f4 exf4 13. Bxf4 Bd6 14. Bxd6 Qxd6 15. Qd2 Qg3+ 16. Kd1 Nf7 17. Kc2 Be6 18. Rae1 0-0-0 19. b3 Rhe8 20. Bd1 Qd6 21. Re3 f4 22. Re4 g5 23. Rhe1 Bd7 24. d4 Qg6 25. Kb2 Nd6 26. Rxe8 Bxe8 27. Bc2 Qg7 28. d5 cxd5 29. Qxd5 Bc6 30. Qe6+ Kc7 31. Rd1 Ne4 32. Rxd8 Qxc3+ 33. Ka3 Qa5+ 34. Kb2 Qc3+ 35. Ka3 Kxd8 36. Bxe4 Qc1+ 0-1

[Event "EU-ch 21st"]
[Site "Reykjavik"]
[Date "2021.08.26"]
[Round "1"]
[White "D'Costa, Lorin AR"]
[Black "Donchenko, Alexander"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2381"]
[BlackElo "2657"]
[PlyCount "88"]
[EventDate "2021.08.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISL"]
[SourceTitle "CBM 204"]
[Source "ChessBase"]
[SourceDate "2021.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. c4 d4 4. b4 cxb4 5. a3 e6 6. Bg2 Nc6 7. d3 Nf6 8. 0-0 bxa3 9. Qa4 Nd7 10. Bxa3 Be7 11. Nbd2 0-0 12. Rfb1 Nc5 13. Qb5 a6 14. Qb6 Qxb6 15. Rxb6 Ra7 16. Ne1 Nb8 17. Nc2 e5 18. Rbb1 Nbd7 19. e3 Rd8 20. exd4 exd4 21. Ne4 Bf8 22. Nxd4 Nxe4 23. Bxe4 Nc5 24. Nb3 Nxe4 25. dxe4 Bxa3 26. Rxa3 b6 27. c5 b5 28. Na5 Rc7 29. c6 Rd4 30. f3 Kf8 31. Rbb3 Rd1+ 32. Kf2 Rd2+ 33. Ke3 Rxh2 34. Kd4 Be6 35. Kc5 Bxb3 36. Rxb3 Ra2 37. Kb6 Rc8 38. Nb7 Rc2 39. Nc5 h5 40. Rd3 b4 41. e5 a5 42. Rd5 b3 43. Kb7 b2 44. Kxc8 Kg8 0-1

[Event "Titled Tuesday intern op 17th Aug"]
[Site "Chess.com INT"]
[Date "2021.08.17"]
[Round "3"]
[White "Baradaran, Arman"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1990"]
[BlackElo "2381"]
[PlyCount "122"]
[EventDate "2021.08.17"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e3 b5 6. a4 b4 7. Na2 a5 8. Bxc4 e6 9. 0-0 Nbd7 10. Qe2 c5 11. e4 Bb7 12. d5 e5 13. b3 Bd6 14. Bb2 0-0 15. Nc1 Qe7 16. Nd3 Kh8 17. Bb5 h6 18. Nd2 Nb6 19. Rae1 Rac8 20. f4 Nfd7 21. Bxd7 Nxd7 22. Nc4 exf4 23. e5 Bb8 24. Nxf4 Qg5 25. Nh3 Qh4 26. Rf4 Qe7 27. Qh5 Kh7 28. d6 Qe8 29. Ng5+ Kg8 30. e6 fxe6 31. Rxf8+ Nxf8 32. Qxe8 Rxe8 33. Ne4 Bd5 34. Nxc5 Rd8 35. Nb6 Bxd6 36. Nxd5 Bxc5+ 37. Kf1 exd5 38. Re2 d4 39. Rd2 d3 40. Ke1 Be3 41. Rd1 Ne6 42. g3 Ng5 43. Kf1 Ne4 44. Kg2 d2 45. Kf3 Nc3 46. Bxc3 bxc3 47. Kxe3 c2 48. Rxd2 c1Q 49. Kf3 Qxd2 50. Kg4 Rd4+ 51. Kh3 Qe2 52. b4 Rd2 53. Kh4 Qxh2+ 54. Kg4 Rd4+ 55. Kf3 Rd3+ 56. Ke4 Qe2+ 57. Kf4 Rf3+ 58. Kg4 Qe4+ 59. Kh3 Qf4 60. Kh2 Qxg3+ 61. Kh1 Rf1# 0-1

[Event "Titled Tuesday intern op 17th Aug"]
[Site "Chess.com INT"]
[Date "2021.08.17"]
[Round "8"]
[White "D'Costa, Lorin AR"]
[Black "Diakonova, Ekaterina"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2381"]
[BlackElo "2157"]
[PlyCount "77"]
[EventDate "2021.08.17"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. g3 Bb7 5. Bg2 g6 6. 0-0 Bg7 7. d4 cxd4 8. Qxd4 0-0 9. Qh4 h5 10. Rd1 d6 11. e4 Nbd7 12. Bg5 Qc7 13. b3 Nc5 14. Nd4 a6 15. Rac1 Rfe8 16. Nd5 Nxd5 17. cxd5 Qd8 18. b4 Na4 19. Bh3 b5 20. Nc6 Bxc6 21. Rxc6 Nb6 22. Rdc1 Nc4 23. a4 Ne5 24. Qf4 Nd3 25. Qd2 Nxc1 26. Qxc1 bxa4 27. Qa3 a5 28. b5 Bc3 29. Rxc3 f6 30. Be6+ Kg7 31. Be3 g5 32. Qxa4 h4 33. g4 Qb8 34. b6 Qb7 35. Rc7 Qa6 36. Kg2 Qe2 37. h3 Ra6 38. b7 Kg6 39. Qxe8+ 1-0

[Event "Titled Tuesday intern op 17th Aug"]
[Site "Chess.com INT"]
[Date "2021.08.17"]
[Round "2"]
[White "D'Costa, Lorin AR"]
[Black "Dinu, Dumitru Daniel"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2381"]
[BlackElo "2213"]
[PlyCount "54"]
[EventDate "2021.08.17"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. Nc3 c5 4. g3 Nc6 5. Bg2 e5 6. a3 d6 7. 0-0 Nge7 8. Rb1 a5 9. Ne1 0-0 10. Nc2 Be6 11. Ne3 f5 12. d3 f4 13. Ned5 Nd4 14. b4 f3 15. exf3 Bxd5 16. cxd5 axb4 17. axb4 cxb4 18. Ne2 Nxf3+ 19. Bxf3 Rxf3 20. Nf4 Rxf4 21. gxf4 Qd7 22. Rxb4 Nxd5 23. Qb3 Qg4+ 24. Kh1 Qf3+ 25. Kg1 Qg4+ 26. Kh1 Qf3+ 27. Kg1 Qg4+ 1/2-1/2

[Event "Titled Tuesday intern op 17th Aug"]
[Site "Chess.com INT"]
[Date "2021.08.17"]
[Round "4"]
[White "D'Costa, Lorin AR"]
[Black "Golizadeh, Asghar"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2381"]
[BlackElo "2455"]
[PlyCount "105"]
[EventDate "2021.08.17"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Bxc3 5. Qxc3 b6 6. g3 Bb7 7. Bg2 0-0 8. 0-0 d6 9. b4 Nbd7 10. Bb2 Qe7 11. d3 e5 12. e4 c5 13. a3 Ne8 14. Nh4 Nc7 15. f4 f6 16. Nf5 Qe6 17. Rf2 Nb8 18. Raf1 Nc6 19. h4 Nd4 20. Nxd4 cxd4 21. Qd2 a5 22. b5 Qe7 23. Kh2 Ne6 24. Qe2 Nc5 25. g4 f5 26. g5 fxe4 27. dxe4 Ne6 28. f5 Nf4 29. Rxf4 exf4 30. Rxf4 Qe5 31. Qd2 Rae8 32. Bxd4 Qe7 33. f6 Qc7 34. fxg7 Rxf4 35. Qxf4 Qxc4 36. Qxd6 Qe2 37. Qd7 Qh5 38. Kg3 Bc8 39. Qd5+ Be6 40. Bf3 Qf7 41. Qd6 Bd7 42. a4 Be6 43. Qf4 Bb3 44. Qxf7+ Kxf7 45. Bh5+ Ke7 46. Bxe8 Kxe8 47. Bxb6 Kf7 48. Bxa5 Kxg7 49. Bc3+ Kf7 50. a5 Ke7 51. a6 Bc2 52. Kf4 Ba4 53. a7 1-0

[Event "Titled Tuesday intern op 17th Aug"]
[Site "Chess.com INT"]
[Date "2021.08.17"]
[Round "6"]
[White "D'Costa, Lorin AR"]
[Black "Urquhart, Eddie"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2381"]
[BlackElo "2209"]
[PlyCount "57"]
[EventDate "2021.08.17"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Bb4 5. Qa4+ Nc6 6. e3 0-0 7. Bd2 Bd7 8. Qc2 Be7 9. a3 a5 10. cxd5 Nxd5 11. Bd3 h6 12. 0-0 Nxc3 13. bxc3 Bf6 14. e4 e5 15. Be3 Bg4 16. Nxe5 Nxe5 17. dxe5 Bxe5 18. f4 Bd6 19. h3 Bd7 20. e5 Be7 21. f5 Bg5 22. Bd4 Bc6 23. f6 Qd5 24. e6 Bxf6 25. Bh7+ Kh8 26. Rxf6 Qg5 27. Rxf7 Rxf7 28. exf7 Rf8 29. Rf1 1-0

[Event "Titled Tuesday intern op 17th Aug"]
[Site "Chess.com INT"]
[Date "2021.08.17"]
[Round "9"]
[White "Eynullayev, Altay Elshan"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2227"]
[BlackElo "2381"]
[PlyCount "70"]
[EventDate "2021.08.17"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 f6 7. Bd3 Qc7 8. 0-0 fxe5 9. dxe5 0-0-0 10. Re1 Nh6 11. b4 Be7 12. b5 Na5 13. a4 Rdf8 14. c4 d4 15. Nbd2 Nf5 16. Ne4 h6 17. Bd2 Kb8 18. Rb1 Bc8 19. Re2 b6 20. g4 Nh4 21. Nxh4 Bxh4 22. f4 g5 23. Bxa5 bxa5 24. b6 axb6 25. f5 exf5 26. Reb2 Ka7 27. Rxb6 fxe4 28. Qb3 Bf2+ 29. Kh1 Ba6 30. Bxe4 Rb8 31. Rxb8 Rxb8 32. Qxb8+ Qxb8 33. Rxb8 Kxb8 34. e6 Kc7 35. e7 Kd7 0-1

[Event "Titled Tuesday intern op 17th Aug"]
[Site "Chess.com INT"]
[Date "2021.08.17"]
[Round "7"]
[White "Rodchenkov, Vitaly"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2330"]
[BlackElo "2381"]
[PlyCount "63"]
[EventDate "2021.08.17"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. Qe2 Ngf6 8. Nxf6+ Nxf6 9. Bg5 Be7 10. 0-0-0 Bxf3 11. Qxf3 c6 12. Bc4 Qa5 13. h4 Rd8 14. Bb3 Nd5 15. Bd2 Qb6 16. c4 Nf6 17. Bc3 Bb4 18. Bxb4 Qxb4 19. g4 a5 20. g5 Nd7 21. a3 Qe7 22. Bc2 Nb6 23. Qc3 0-0 24. f4 a4 25. h5 f5 26. Rhe1 Qd6 27. Re5 Nd7 28. c5 Qe7 29. Re3 b6 30. Rde1 Qf7 31. h6 bxc5 32. dxc5 1-0

[Event "Titled Tuesday intern op 17th Aug"]
[Site "Chess.com INT"]
[Date "2021.08.17"]
[Round "5"]
[White "Sevian, Samuel"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2647"]
[BlackElo "2381"]
[PlyCount "123"]
[EventDate "2021.08.17"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Bd3 Bg6 7. 0-0 Nbd7 8. b3 Bd6 9. Bb2 0-0 10. Qc2 Re8 11. e4 dxe4 12. Nxe4 Nxe4 13. Bxe4 Nf6 14. Bxg6 hxg6 15. Rfe1 a5 16. a3 Qc7 17. Rad1 Rad8 18. h4 b5 19. Rd3 bxc4 20. Qxc4 Nd5 21. Ne5 Rc8 22. Rf3 Bxe5 23. dxe5 Red8 24. Qg4 Ne7 25. h5 gxh5 26. Qxh5 Ng6 27. Rh3 Rd2 28. Qh7+ Kf8 29. Bc1 Rcd8 30. Bxd2 Rxd2 31. Rf3 Nxe5 32. Rf4 Ng6 33. Rf3 Ne5 34. Qh8+ Ke7 35. Rfe3 Ng4 36. Rxe6+ fxe6 37. Qxg7+ Kd6 38. Qxg4 Qf7 39. Qg3+ Kd7 40. b4 axb4 41. axb4 Qf5 42. Qe3 Qd5 43. Qa7+ Ke8 44. Qb8+ Kf7 45. Qf4+ Ke7 46. Qg4 Kd7 47. Ra1 Rd4 48. Ra7+ Kd6 49. Qg3+ e5 50. Qg6+ Qe6 51. Qg7 Kd5 52. f3 Kc4 53. b5 cxb5 54. Qc7+ Kb3 55. Qc1 Qc4 56. Qb1+ Kc3 57. Ra3+ Kd2 58. Ra2+ Ke3 59. Qe1+ Kf4 60. Re2 Kf5 61. Rxe5+ Kf6 62. Re3 1-0

[Event "Bunratty Online"]
[Site "Chess.com INT"]
[Date "2021.02.20"]
[Round "6"]
[White "Bates, Richard"]
[Black "D'Costa, Lorin AR"]
[Result "1/2-1/2"]
[ECO "D23"]
[WhiteElo "2360"]
[BlackElo "2381"]
[PlyCount "131"]
[EventDate "2021.02.20"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 dxc4 5. Qxc4 Bf5 6. g3 e6 7. Bg2 Nbd7 8. 0-0 Be7 9. Nc3 0-0 10. Re1 Ne4 11. Qb3 Qb6 12. Nh4 Bxh4 13. gxh4 Ndf6 14. f3 Nxc3 15. bxc3 e5 16. Bg5 Be6 17. Qxb6 axb6 18. dxe5 Nd7 19. Be7 Rfe8 20. Bd6 Bxa2 21. f4 b5 22. e4 Ra4 23. Bh3 Nb6 24. Rad1 Bb3 25. Rd4 Ra2 26. Bc5 Nc4 27. Bd7 Rea8 28. e6 fxe6 29. Bxe6+ Kh8 30. Bxc4 Bxc4 31. Red1 Rg8 32. Rd7 Re2 33. Bd4 Rxe4 34. Be5 Bd5 35. h5 h6 36. Kf2 Ra8 37. Rd2 Rea4 38. Bxg7+ Kg8 39. Be5 Ra2 40. Rxa2 Rxa2+ 41. Ke3 Rxh2 42. Rg7+ Kf8 43. Rxb7 Rxh5 44. Kd4 Rh3 45. Kc5 h5 46. f5 Rf3 47. f6 h4 48. Rb8+ Kf7 49. Rb7+ Kf8 50. Rb8+ Kf7 51. Rb7+ Kg8 52. Rg7+ Kf8 53. Bd6+ Ke8 54. Be7 h3 55. Kd6 h2 56. Rh7 Rxf6+ 57. Bxf6 h1Q 58. Rxh1 Bxh1 59. Kc5 Bd5 60. Bd4 Kf7 61. Be3 Ke6 62. Bd4 Kf5 63. Kb4 Ke4 64. Bc5 Kd3 65. Bd6 Bf7 66. Bc5 1/2-1/2

[Event "Bunratty Online"]
[Site "Chess.com INT"]
[Date "2021.02.20"]
[Round "7"]
[White "D'Costa, Lorin AR"]
[Black "Daianu, Cristian Clement"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2381"]
[BlackElo "2204"]
[PlyCount "91"]
[EventDate "2021.02.20"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. Nf3 f5 2. d3 d6 3. e4 e5 4. Nc3 Nf6 5. exf5 Bxf5 6. d4 Nc6 7. Bb5 e4 8. d5 a6 9. dxc6 axb5 10. cxb7 Rb8 11. Nd4 Bg4 12. Qd2 Rxb7 13. Ndxb5 Be7 14. 0-0 0-0 15. a4 d5 16. b3 c6 17. Nd4 Qd7 18. Bb2 c5 19. Ndb5 d4 20. Ne2 Nd5 21. Ng3 e3 22. fxe3 Nxe3 23. Rxf8+ Bxf8 24. c3 Nf5 25. Nxf5 Bxf5 26. cxd4 Qd5 27. Rf1 cxd4 28. Nxd4 Be4 29. Kh1 h6 30. Bc3 Rd7 31. b4 Qc4 32. Rc1 Bxb4 33. Bxb4 Qxd4 34. Qxd4 Rxd4 35. Bc3 Rxa4 36. Re1 Bd5 37. Re7 Rg4 38. Re2 Kh7 39. Kg1 Rc4 40. Be5 Rc1+ 41. Kf2 g5 42. h3 Kg6 43. Bb2 Rb1 44. Rd2 Be4 45. Rd6+ Kf5 46. Rf6# 1-0

[Event "Bunratty Online"]
[Site "Chess.com INT"]
[Date "2021.02.20"]
[Round "4"]
[White "D'Costa, Lorin AR"]
[Black "Melaugh, Shanemelaugh"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2381"]
[BlackElo "2161"]
[PlyCount "117"]
[EventDate "2021.02.20"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. Nf3 d6 2. c4 e5 3. Nc3 Nc6 4. d4 f5 5. dxe5 Nxe5 6. e4 fxe4 7. Nxe5 dxe5 8. Qxd8+ Kxd8 9. Bg5+ Be7 10. 0-0-0+ Bd7 11. Nxe4 Kc8 12. Be2 Bc6 13. Bg4+ Kb8 14. Bxe7 Nxe7 15. Rhe1 b6 16. f3 Kb7 17. Ng5 Ng6 18. Bf5 Rae8 19. Bxg6 hxg6 20. h3 Rh4 21. b3 Rf4 22. Re3 Rf5 23. Ne4 Ref8 24. Rde1 a5 25. Nf2 e4 26. Nxe4 Bxe4 27. Rxe4 R8f7 28. Kb2 g5 29. Re6 R5f6 30. R1e5 Rf5 31. Kc3 Kc8 32. Rxf5 Rxf5 33. Rg6 Re5 34. Rxg7 Re2 35. Rxg5 Rxa2 36. h4 Ra1 37. h5 Rh1 38. g4 Rh3 39. Rf5 Kd7 40. Kb2 Ke6 41. Ka3 c6 42. Rf4 Ke5 43. Re4+ Kd6 44. f4 b5 45. cxb5 cxb5 46. f5 a4 47. Rb4 Kc5 48. f6 Rf3 49. g5 Rf1 50. h6 Ra1+ 51. Kb2 Rg1 52. f7 Kxb4 53. f8Q+ Ka5 54. Qd8+ Ka6 55. Qd6+ Ka5 56. Qc7+ Ka6 57. Qc6+ Ka5 58. b4+ Kxb4 59. Qc3# 1-0

[Event "Bunratty Online"]
[Site "Chess.com INT"]
[Date "2021.02.20"]
[Round "3"]
[White "D'Costa, Lorin AR"]
[Black "Rawlinson, Aidan"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2381"]
[BlackElo "2190"]
[PlyCount "97"]
[EventDate "2021.02.20"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. Nc3 Nf6 4. d4 0-0 5. Bg5 h6 6. Bh4 c5 7. d5 b5 8. cxb5 a6 9. e3 d6 10. a4 Nbd7 11. Ra3 Qa5 12. Nd2 Qb4 13. e4 axb5 14. Bxb5 Nb6 15. 0-0 Bd7 16. Rb3 Qa5 17. Bxd7 Nbxd7 18. Nc4 Qa6 19. Rb5 Rfb8 20. Qb3 g5 21. Bg3 Ne8 22. Ra1 Nc7 23. Rxb8+ Rxb8 24. Qa2 Rb4 25. Ne3 Qb7 26. Ned1 Ne5 27. a5 Na6 28. Bxe5 Bxe5 29. g3 Bd4 30. Kg2 Kg7 31. Rb1 Qc7 32. Rc1 Qb7 33. Rc2 f5 34. exf5 Kf6 35. Ne2 e6 36. Nxd4 Rxd4 37. Ne3 exd5 38. b3 Rd3 39. Qb2+ d4+ 40. Kg1 Nb4 41. Rc4 Rd1+ 42. Nxd1 Nd3 43. Qe2 Ne5 44. f4 Nf3+ 45. Kf1 g4 46. Ra4 Nxh2+ 47. Qxh2 Qf3+ 48. Nf2 Qxb3 49. Qh4+ 1-0

[Event "Bunratty Online"]
[Site "Chess.com INT"]
[Date "2021.02.20"]
[Round "9"]
[White "Ghasi, Ameet K"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2485"]
[BlackElo "2381"]
[PlyCount "77"]
[EventDate "2021.02.20"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. 0-0 Bf5 5. d3 e6 6. Nbd2 h6 7. b3 Bh7 8. Bb2 Be7 9. a3 0-0 10. c4 a5 11. Qc2 Nbd7 12. Bc3 b5 13. cxb5 cxb5 14. Qb2 Qb6 15. b4 axb4 16. axb4 Rfc8 17. Bd4 Qd6 18. Rxa8 Rxa8 19. Rb1 Ne8 20. Ne5 Bf6 21. Nxd7 Qxd7 22. Nb3 Bxd4 23. Qxd4 Nd6 24. Nc5 Qa7 25. Qe5 Ne8 26. Bf3 Bg6 27. h4 Qc7 28. Qe3 Nf6 29. Rc1 Qd6 30. Qd4 e5 31. Qb2 Re8 32. e4 dxe4 33. dxe4 Qd4 34. Qb3 Nxe4 35. Bxe4 Bxe4 36. Rd1 Bd5 37. Qxd5 Qxb4 38. Ne4 Qe7 39. Qxb5 1-0

[Event "Bunratty Online"]
[Site "Chess.com INT"]
[Date "2021.02.20"]
[Round "8"]
[White "O'Cuilleanain, Oisin"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "D91"]
[WhiteElo "1669"]
[BlackElo "2381"]
[PlyCount "140"]
[EventDate "2021.02.20"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8. Nf3 exd5 9. e3 0-0 10. Bd3 Qd6 11. h3 c6 12. 0-0 Nd7 13. Rb1 a5 14. a3 b5 15. b4 axb4 16. axb4 Nb6 17. Qb3 Be6 18. Ra1 h6 19. Ne2 Nc4 20. Nf4 Bd7 21. Rfd1 Rfe8 22. Qc3 Bf8 23. Ne5 Rxa1 24. Rxa1 Nxe5 25. dxe5 Qxe5 26. Qxe5 Rxe5 27. Ra7 Be8 28. Ra8 Bxb4 29. Bxb5 Bf8 30. Rxe8 Rxe8 31. Bxc6 Rc8 32. Bxd5 Rc1+ 33. Kh2 Bd6 34. g3 Kg7 35. Kg2 f5 36. Ne6+ Kf6 37. Nd4 Be5 38. Nf3 Bc7 39. Nd4 Rc5 40. Bf3 Ra5 41. Nc6 Ra2 42. Nb4 Ra7 43. Nd5+ Kg7 44. Nxc7 Rxc7 45. h4 Kf6 46. Bd5 Ke5 47. Bf3 Rc2 48. Bd1 Rd2 49. Bb3 g5 50. hxg5 hxg5 51. Bf7 Ke4 52. Bg6 g4 53. Be8 Rc2 54. Ba4 Rc4 55. Bb5 Rc5 56. Ba6 Ra5 57. Bb7+ Kd3 58. Bc8 Ke2 59. Be6 Rc5 60. Bd7 Ke1 61. Be6 Rc2 62. Bxf5 Rxf2+ 63. Kg1 Rxf5 64. e4 Re5 65. Kg2 Rxe4 66. Kg1 Ke2 67. Kg2 Re3 68. Kh2 Kf3 69. Kg1 Kxg3 70. Kf1 Re4 0-1

[Event "Bunratty Online"]
[Site "Chess.com INT"]
[Date "2021.02.20"]
[Round "5"]
[White "Svidler, Peter"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2714"]
[BlackElo "2381"]
[PlyCount "37"]
[EventDate "2021.02.20"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nf6 6. exd5 Qxd5 7. Nb5 Qd8 8. Be2 a6 9. Nc3 Bd7 10. 0-0 Bc6 11. Nc4 Qxd1 12. Rxd1 Bc5 13. Bf4 0-0 14. a3 Nd5 15. Nxd5 Bxd5 16. b4 Ba7 17. Nd6 Nd7 18. c4 Bc6 19. Nxb7 1-0

[Event "Titled Tuesday intern op 22nd Dec"]
[Site "Chess.com INT"]
[Date "2020.12.22"]
[Round "11"]
[White "D'Costa, Lorin AR"]
[Black "Deac, Bogdan Daniel"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2381"]
[BlackElo "2625"]
[PlyCount "64"]
[EventDate "2020.12.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. b3 b6 7. Bb2 Bb7 8. e3 c5 9. Qe2 Qc8 10. Nc3 Rd8 11. Rfd1 Nc6 12. cxd5 Nxd5 13. Nxd5 exd5 14. d4 Ba6 15. Qd2 c4 16. bxc4 Bxc4 17. Ne1 Qf5 18. Nd3 Rac8 19. Nf4 g5 20. Bh3 g4 21. Bg2 Bg5 22. Nd3 h5 23. Bc3 h4 24. Rac1 hxg3 25. hxg3 Kg7 26. Nb2 Ba6 27. a3 Rh8 28. Qc2 Qe6 29. Qa4 Be2 30. Re1 Bf3 31. Nd3 Qh6 32. Bb2 Qh1+ 0-1

[Event "Titled Tuesday intern op 22nd Dec"]
[Site "Chess.com INT"]
[Date "2020.12.22"]
[Round "8"]
[White "D'Costa, Lorin AR"]
[Black "Kabanova, Ekaterina"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2381"]
[BlackElo "2138"]
[PlyCount "77"]
[EventDate "2020.12.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 a6 6. Nc3 h5 7. d4 cxd4 8. Qxd4 Nc6 9. Qf4 d6 10. b3 Nf6 11. Rd1 Qc7 12. Ba3 Rd8 13. Rac1 Qb8 14. e4 Be7 15. Qe3 Ba8 16. h3 0-0 17. Bb2 Rfe8 18. Rd2 Qc7 19. Nd5 exd5 20. cxd5 Qd7 21. dxc6 Bxc6 22. e5 Nd5 23. Qd4 Bf8 24. exd6 Qxd6 25. Rxc6 Qxc6 26. Ne5 Qf6 27. Bxd5 Bc5 28. Qe4 Rxd5 29. Qxd5 Re7 30. Nd3 Qh6 31. Nxc5 bxc5 32. Qd8+ Kh7 33. Qxe7 Qxd2 34. Qe4+ g6 35. Qe5 Qd1+ 36. Kh2 Kh6 37. Qg7+ Kg5 38. h4+ Kg4 39. Qf6 1-0

[Event "Titled Tuesday intern op 22nd Dec"]
[Site "Chess.com INT"]
[Date "2020.12.22"]
[Round "2"]
[White "D'Costa, Lorin AR"]
[Black "Noritsyn, Nikolay"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2381"]
[BlackElo "2512"]
[PlyCount "66"]
[EventDate "2020.12.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 c6 4. Bg2 Nf6 5. b3 a5 6. 0-0 a4 7. Bb2 a3 8. Bc1 b5 9. d3 Nbd7 10. Qc2 Be7 11. Nc3 Ba6 12. Bf4 0-0 13. cxb5 cxb5 14. Rac1 Qa5 15. Qb1 Rfc8 16. Qa1 b4 17. Nb1 h6 18. Ne5 Bb5 19. Nd2 Bf8 20. Nxd7 Nxd7 21. Nf3 Ba6 22. Rxc8 Rxc8 23. Rc1 Qd8 24. Bd2 g5 25. Qb1 Rc7 26. Rxc7 Qxc7 27. Ne1 Ne5 28. Qc2 Nc6 29. Qc1 Qb6 30. Be3 Nd4 31. Kf1 Bc5 32. Nf3 Nxb3 33. Bxc5 Qxc5 0-1

[Event "Titled Tuesday intern op 22nd Dec"]
[Site "Chess.com INT"]
[Date "2020.12.22"]
[Round "1"]
[White "D'Costa, Lorin AR"]
[Black "Wang, Michael Lei"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2381"]
[BlackElo "1860"]
[PlyCount "127"]
[EventDate "2020.12.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. b3 b6 7. Bb2 Bb7 8. e3 c5 9. Qe2 Nc6 10. Nc3 a6 11. Rfd1 Qb8 12. cxd5 Nxd5 13. Nxd5 exd5 14. d4 Rd8 15. Rac1 Qa7 16. h4 Bf6 17. dxc5 Bxb2 18. cxb6 Qxb6 19. Qxb2 a5 20. h5 a4 21. h6 gxh6 22. Qf6 axb3 23. axb3 Ra6 24. Qxh6 Ne7 25. Qg5+ Ng6 26. Nd4 Qf6 27. Qxf6 Rxf6 28. Rc7 Rb6 29. Ra1 Rb8 30. Ra7 Kf8 31. Bf1 Ne5 32. Kg2 h5 33. Be2 Ng4 34. Bxg4 hxg4 35. Ra1 Kg7 36. Rh1 Rh8 37. Rxh8 Kxh8 38. Rxf7 Ba6 39. Rf4 Rg6 40. Rf7 Kg8 41. Ra7 Bd3 42. b4 Rb6 43. b5 Rh6 44. Rb7 Be4+ 45. Kf1 Bf3 46. Ke1 Rh1+ 47. Kd2 Rf1 48. b6 Rxf2+ 49. Kc3 Rf1 50. Rb8+ Kh7 51. b7 Rb1 52. Kc2 Rb6 53. Kc3 Bg2 54. Kd2 Bf1 55. Rf8 Rxb7 56. Rxf1 Rb2+ 57. Nc2 Rb3 58. Rf4 Kh6 59. Rxg4 Kh5 60. Rd4 Rb5 61. Kd3 Kg5 62. Nb4 Ra5 63. Rxd5+ Kg4 64. Rxa5 1-0

[Event "Titled Tuesday intern op 22nd Dec"]
[Site "Chess.com INT"]
[Date "2020.12.22"]
[Round "4"]
[White "D'Costa, Lorin AR"]
[Black "Xie, Bryan"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2381"]
[BlackElo "2050"]
[PlyCount "71"]
[EventDate "2020.12.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. e3 Bg7 5. d4 cxd4 6. exd4 Nf6 7. d5 Nb8 8. Be2 d6 9. 0-0 0-0 10. h3 Nbd7 11. Be3 a6 12. Nd4 Nc5 13. Qc2 a5 14. Rfe1 Nfd7 15. Rad1 a4 16. Bf1 Qa5 17. Bg5 f6 18. Bd2 Qd8 19. b4 axb3 20. axb3 f5 21. Bg5 Nf6 22. Bh4 Nfe4 23. b4 Nxc3 24. Bxe7 Qd7 25. Bxf8 Nxd1 26. Bxg7 Qxg7 27. Qxd1 Ne4 28. f3 Nc3 29. Qd2 Ra3 30. Re8+ Kf7 31. Rxc8 Nb1 32. Rc7+ Kf8 33. Ne6+ Ke8 34. Nxg7+ Kd8 35. Ne6+ Ke8 36. Qg5 1-0

[Event "Titled Tuesday intern op 22nd Dec"]
[Site "Chess.com INT"]
[Date "2020.12.22"]
[Round "6"]
[White "Eren, Ataberk"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2306"]
[BlackElo "2381"]
[PlyCount "186"]
[EventDate "2020.12.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 c5 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 d6 9. b3 Nbd7 10. a4 a6 11. a5 bxa5 12. Na4 0-0 13. Ba3 Qc7 14. Rfd1 Ne8 15. Rac1 Rc8 16. Qd2 Nc5 17. Nxc5 dxc5 18. Bb2 Bf6 19. Bxf6 Nxf6 20. Ra1 Rfd8 21. Qc2 Be4 22. Qc3 Rxd1+ 23. Rxd1 a4 24. bxa4 h6 25. h3 Qb7 26. Rd6 Bc6 27. a5 Ne4 28. Qd3 Nxd6 29. Qxd6 Be4 30. g4 Qb1+ 31. Kh2 Qb8 32. Qxb8 Rxb8 33. Ne5 Bxg2 34. Kxg2 Rb4 35. Kf3 Ra4 36. Nc6 Rxc4 37. Nb8 Ra4 38. Nc6 Kf8 39. Ke3 Ke8 40. Kd3 Kd7 41. Ne5+ Ke7 42. Nc4 Ra2 43. f3 f5 44. h4 g5 45. hxg5 hxg5 46. Ke3 Kf6 47. Kd3 Ra4 48. Kc3 e5 49. Kb3 Rb4+ 50. Kc3 fxg4 51. fxg4 e4 52. Nb6 Ke6 53. e3 Ke5 54. Nd7+ Kd6 55. Nf6 Ke6 56. Ne8 Ra4 57. Nc7+ Ke5 58. Nxa6 Rxa5 59. Nb8 Ra3+ 60. Kd2 Ra2+ 61. Kc3 Rg2 62. Nd7+ Kd6 63. Nf6 Kc6 64. Kc4 Rc2+ 65. Kb3 Re2 66. Kc4 Rxe3 67. Nd5 Re1 68. Ne7+ Kb6 69. Nf5 Kc6 70. Ne7+ Kd7 71. Nf5 Rc1+ 72. Kb3 Ke6 73. Kb2 Rg1 74. Ne3 Rg3 75. Nc4 Rxg4 76. Kc3 Rg3+ 77. Kd2 g4 78. Ke2 Rd3 79. Nb2 Kf5 80. Nxd3 exd3+ 81. Kxd3 Kf4 82. Kc4 g3 83. Kxc5 g2 84. Kd5 g1Q 85. Ke6 Qe1+ 86. Kf7 Qe5 87. Kf8 Qd6+ 88. Ke8 Qc6+ 89. Kf7 Kf5 90. Kg7 Qe6 91. Kh8 Qd7 92. Kg8 Kg6 93. Kf8 Qf7# 0-1

[Event "Titled Tuesday intern op 22nd Dec"]
[Site "Chess.com INT"]
[Date "2020.12.22"]
[Round "7"]
[White "Kadric, Denis"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2577"]
[BlackElo "2381"]
[PlyCount "87"]
[EventDate "2020.12.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. g4 Bd7 6. Nc3 c5 7. dxc5 e6 8. Be3 Qc7 9. Nb5 Bxb5 10. Bxb5+ Nc6 11. c3 Qxe5 12. Qa4 Qc7 13. Nf3 a6 14. Bf4 Qc8 15. Bxc6+ Qxc6 16. Qxc6+ bxc6 17. b4 f6 18. h5 e5 19. Bd2 Ne7 20. Ke2 Kf7 21. a4 Rb8 22. Nh4 Nc8 23. f4 e4 24. Nf5 Be7 25. Rhb1 Rd8 26. Nd4 Na7 27. f5 Rb7 28. Bf4 Rc8 29. Ke3 Bd8 30. Ne6 Be7 31. Rb3 Re8 32. Rab1 Rc8 33. R3b2 Bd8 34. c4 Be7 35. Rd2 dxc4 36. Rc2 a5 37. Rxc4 axb4 38. Rcxb4 Rxb4 39. Rxb4 Ra8 40. Rb7 Nc8 41. Rc7 Kg8 42. Kxe4 Bf8 43. Kf3 Ne7 44. Nxf8 1-0

[Event "Titled Tuesday intern op 22nd Dec"]
[Site "Chess.com INT"]
[Date "2020.12.22"]
[Round "9"]
[White "Samadov, Read"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2332"]
[BlackElo "2381"]
[PlyCount "94"]
[EventDate "2020.12.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Ba6 5. Qc2 Bb7 6. Nc3 c5 7. e4 cxd4 8. Nxd4 Bc5 9. Nb3 Nc6 10. Nxc5 bxc5 11. f3 d6 12. Qf2 e5 13. Be2 0-0 14. 0-0 h6 15. Be3 a5 16. Rfd1 Nd4 17. Bf1 a4 18. h3 Bc6 19. Nb5 Qd7 20. Nc3 Rab8 21. Rab1 Rb7 22. Bd3 Rfb8 23. f4 Qe7 24. fxe5 dxe5 25. Rf1 Ne8 26. Qg3 Rxb2 27. Rxb2 Rxb2 28. Bxh6 f6 29. Be3 Rb3 30. Bd2 Nd6 31. Qe1 Qe6 32. Bb1 Nxc4 33. Bc1 Rxc3 34. Ba2 Rxc1 35. Qf2 Rxf1+ 36. Qxf1 Bb5 37. Qb1 Nb3 38. Qd3 Qd6 39. Qg3 Kf8 40. Qg6 Be8 41. Qh7 Bf7 42. Kh2 Bg8 43. Qf5 Qe6 44. Qf2 Qd6 45. Qe2 Bf7 46. Bb1 Qd2 47. Qg4 Qf4+ 0-1

[Event "Titled Tuesday intern op 22nd Dec"]
[Site "Chess.com INT"]
[Date "2020.12.22"]
[Round "10"]
[White "Shahade, Gregory P"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2476"]
[BlackElo "2381"]
[PlyCount "108"]
[EventDate "2020.12.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. Be2 Nd7 7. d4 Bb4 8. 0-0 Ne7 9. Bf4 Ng6 10. Bg3 0-0 11. a3 Ba5 12. Rad1 f5 13. exf5 exf5 14. Bd6 Rf7 15. b4 Bb6 16. Bc5 Bc7 17. b5 Nxc5 18. dxc5 Ne5 19. Qh5 Qf6 20. bxc6 bxc6 21. Ba6 g6 22. Qe2 Re7 23. Rfe1 Rae8 24. Qd2 Nd7 25. Rxe7 Rxe7 26. Bf1 Kg7 27. Ne2 Nxc5 28. Nd4 Ne4 29. Qd3 Bb6 30. c3 c5 31. Nf3 c4 32. Qxd5 Bxf2+ 33. Kh1 Nxc3 34. Qd2 Nxd1 35. Qxd1 c3 36. Qc2 Bg3 37. a4 h5 38. a5 h4 39. a6 Qc6 40. Qd3 Qe4 41. Qxc3+ Be5 42. Qc8 Bf6 43. Qb8 Qe6 44. Qb4 Qd7 45. Qf4 Re4 46. Qc1 Qe7 47. Qc6 g5 48. Qd5 g4 49. Qxf5 gxf3 50. gxf3 Re5 51. Qg4+ Rg5 52. Qf4 Qe5 53. Qc4 Qg3 54. Qe2 Qg1# 0-1

[Event "Titled Tuesday intern op 22nd Dec"]
[Site "Chess.com INT"]
[Date "2020.12.22"]
[Round "3"]
[White "Smirnov, Pavel"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "2544"]
[BlackElo "2381"]
[PlyCount "79"]
[EventDate "2020.12.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. d5 exd5 8. Nh4 c6 9. cxd5 Nxd5 10. Nf5 Nc7 11. e4 d5 12. Nc3 Bf6 13. exd5 cxd5 14. Bf4 Nba6 15. Nd6 Bc6 16. Nxd5 Bxd5 17. Bxd5 Nxd5 18. Qxd5 Bxb2 19. Rad1 Nc5 20. Rfe1 Bc3 21. Re3 Bf6 22. Qf3 Qd7 23. Ne8 Qxe8 24. Rxe8 Rfxe8 25. g4 Ne6 26. Be3 Rad8 27. Rxd8 Rxd8 28. Qb7 h5 29. gxh5 Bd4 30. Qxa7 Bxe3 31. fxe3 Rd1+ 32. Kg2 Rd2+ 33. Kg3 b5 34. Qb8+ Kh7 35. Qxb5 Rd6 36. a4 Rd8 37. a5 Kh6 38. a6 Ng5 39. Qc6+ f6 40. a7 1-0

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "15"]
[White "Azimov, Ilyas"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "2183"]
[BlackElo "2361"]
[PlyCount "93"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nb3 Nc6 7. Be2 e6 8. f3 Be7 9. Be3 Qc7 10. Qd2 b5 11. a3 Bb7 12. 0-0-0 Rc8 13. Kb1 0-0 14. h4 Rfd8 15. g4 d5 16. exd5 Nxd5 17. Nxd5 Rxd5 18. Qc3 Bf6 19. Qe1 Ne5 20. c3 Rxd1+ 21. Qxd1 Rd8 22. Qg1 Nc4 23. Bc1 Nxa3+ 24. bxa3 Qxc3 25. Qe3 Qc7 26. g5 Bc3 27. Rd1 Rc8 28. Qd3 Bd5 29. Nd2 b4 30. Ne4 Be5 31. axb4 Rb8 32. Bd2 a5 33. b5 Qe7 34. Rc1 a4 35. Qc2 g6 36. Nf6+ Bxf6 37. gxf6 Qxf6 38. Bc3 Qf4 39. Qd2 Qf5+ 40. Qc2 Qf4 41. Qd2 Qf5+ 42. Qd3 Qf4 43. Qd4 Qxd4 44. Bxd4 f5 45. Be5 Rb7 46. Rc8+ Kf7 47. Rc7+ 1-0

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "14"]
[White "Babanin, Gleb"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2201"]
[BlackElo "2361"]
[PlyCount "68"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. Bxc6+ bxc6 5. 0-0 Bg4 6. c3 Nf6 7. Re1 e5 8. h3 Bh5 9. d4 cxd4 10. cxd4 Nd7 11. d5 cxd5 12. Qxd5 Be7 13. Nc3 0-0 14. Be3 Nf6 15. Qd3 h6 16. Nd2 Bg6 17. Nc4 Nxe4 18. Nxe4 d5 19. Nxe5 Bxe4 20. Qd2 Bf6 21. Nc6 Qd7 22. Rac1 Rfe8 23. Bd4 Bg5 24. f4 Bh4 25. Bf2 Bxf2+ 26. Qxf2 Rac8 27. Qxa7 Rc7 28. Qb6 Rec8 29. Ne5 Rxc1 30. Nxd7 Rxe1+ 31. Kf2 Rec1 32. g4 R8c2+ 33. Kg3 Rc6 34. Qd8+ Kh7 1-0

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "16"]
[White "D'Costa, Lorin AR"]
[Black "Azimov, Ilyas"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2361"]
[BlackElo "2183"]
[PlyCount "164"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. dxc5 Nc6 5. Bb5 e6 6. b4 Bd7 7. c3 a5 8. Qb3 axb4 9. cxb4 Ne4 10. Ne2 Be7 11. Nbc3 Nxc3 12. Nxc3 0-0 13. 0-0 Bf6 14. Bd6 Re8 15. Rab1 Ne5 16. a4 Bc6 17. Rfd1 Ng6 18. Bxc6 bxc6 19. b5 Qc8 20. e4 Bxc3 21. Qxc3 dxe4 22. Rb4 f5 23. Qb3 Qb7 24. h3 h6 25. Rdd4 Kh7 26. bxc6 Qxc6 27. Rb6 Qd7 28. c6 Qc8 29. c7 e5 30. Rdb4 Qd7 31. Qd5 Rac8 32. Qc6 Qf7 33. Qc4 Qd7 34. Qc6 Qf7 35. Rb8 Nf4 36. Rxc8 Rxc8 37. Bxe5 Nd3 38. Rb5 Nxe5 39. Rxe5 Rxc7 40. Qb5 Rc1+ 41. Kh2 Qc7 42. g3 Qc8 43. Rxf5 e3 44. Qd3 Kh8 45. fxe3 Rc2+ 46. Kg1 Rc1+ 47. Kg2 Qc6+ 48. e4 Rc2+ 49. Rf2 Rxf2+ 50. Kxf2 Qxa4 51. h4 Qa2+ 52. Kf3 Qf7+ 53. Ke3 Qg6 54. Qd8+ Kh7 55. Qc7 Qe6 56. Qf4 Qb3+ 57. Kf2 Qc2+ 58. Kf3 Qd1+ 59. Kg2 Qe2+ 60. Kh3 Qd1 61. Qf5+ Kh8 62. h5 Qh1+ 63. Kg4 Qd1+ 64. Kf4 Qc1+ 65. Ke5 Qc3+ 66. Kf4 Qc1+ 67. Kg4 Qd1+ 68. Qf3 Qd7+ 69. Kh4 Qe7+ 70. Kh3 Qd7+ 71. g4 Qd2 72. e5 Qe1 73. Qf8+ Kh7 74. Qf5+ Kh8 75. e6 Qe3+ 76. Kg2 Qe2+ 77. Kg3 Qe3+ 78. Kg2 Qe2+ 79. Kh3 Qe3+ 80. Kh4 Qe1+ 81. Kh3 Qe3+ 82. Kg2 Qe2+ 1/2-1/2

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "13"]
[White "D'Costa, Lorin AR"]
[Black "Babanin, Gleb"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2361"]
[BlackElo "2201"]
[PlyCount "67"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 a6 5. Bd3 Nc6 6. b3 g6 7. Bb2 Bg7 8. 0-0 e6 9. Re1 Nge7 10. Na4 Bxb2 11. Nxb2 d6 12. c3 Qc7 13. Bf1 d5 14. e5 Bd7 15. d4 Qa5 16. Nd3 cxd4 17. cxd4 Nf5 18. Nc5 Ncxd4 19. Nxb7 Nxf3+ 20. Qxf3 Qb6 21. Nd6+ Nxd6 22. exd6 Qxd6 23. Qf6 0-0 24. h4 Rfe8 25. h5 Qe7 26. Qf4 e5 27. Qd2 Bc6 28. Rac1 Bb7 29. f4 e4 30. Qd4 Qh4 31. Rc7 Re7 32. h6 f5 33. Rxb7 Rxb7 34. Qxd5+ 0-1

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "9"]
[White "D'Costa, Lorin AR"]
[Black "Haitin, Ilja"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2361"]
[BlackElo "2146"]
[PlyCount "104"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. d4 c6 6. g3 Bg4 7. Bg2 e6 8. h3 Bxf3 9. Bxf3 Be7 10. 0-0 0-0 11. Ne2 e5 12. c3 Na6 13. Bg2 Rad8 14. Qb3 exd4 15. Nxd4 Nc5 16. Qc2 g6 17. Bf4 Qd7 18. Rad1 Qc8 19. Rfe1 Rfe8 20. Bg5 Nd5 21. Bh6 Bf6 22. Nb3 Nxb3 23. axb3 Rxe1+ 24. Rxe1 Re8 25. Re4 Rxe4 26. Qxe4 Qe6 27. Qxe6 fxe6 28. h4 Kf7 29. Kf1 b5 30. b4 a6 31. Ke2 Ke7 32. Kd3 Kd6 33. Bf3 Be5 34. Bd2 Bf6 35. h5 g5 36. h6 Ne7 37. Be4 Ng8 38. Bxh7 Nxh6 39. Be4 Nf7 40. f4 gxf4 41. Bxf4+ Be5 42. Ke3 Bxf4+ 43. Kxf4 c5 44. bxc5+ Kxc5 45. Bd3 a5 46. g4 b4 47. cxb4+ Kxb4 48. Bg6 Nd6 49. Bc2 Nf7 50. Bg6 Nd6 51. Bc2 Nf7 52. Bg6 Nd6 1/2-1/2

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "21"]
[White "D'Costa, Lorin AR"]
[Black "Psyk, Radoslaw"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2361"]
[BlackElo "2144"]
[PlyCount "120"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nd2 c5 5. c3 Nc6 6. Ngf3 Bd6 7. Bg3 Qe7 8. Bb5 Bd7 9. 0-0 0-0 10. Bxc6 Bxc6 11. Re1 Bxg3 12. hxg3 Nd7 13. e4 dxe4 14. Nxe4 Bxe4 15. Rxe4 Nf6 16. Re5 cxd4 17. Nxd4 Rfd8 18. Qe2 Qc7 19. Re1 a6 20. g4 Rd5 21. Re3 Qf4 22. Rg3 Rg5 23. Qf3 Qxf3 24. gxf3 Nd5 25. Re4 Nf6 26. Re2 Rd8 27. Kg2 Nd5 28. Re4 Nf6 29. Re2 b5 30. Kh3 Nd5 31. Re4 e5 32. Nc6 Re8 33. Kg2 Nf4+ 34. Kf1 Re6 35. Nxe5 Rgxe5 36. Rxf4 Re1+ 37. Kg2 R1e2 38. Rb4 Rd2 39. f4 Ree2 40. Rf3 g6 41. f5 Rxb2 42. fxg6 hxg6 43. Rxb2 Rxb2 44. a3 Rb3 45. Rf6 Rxa3 46. Rc6 a5 47. Rc5 Rb3 48. g5 a4 49. Rc8+ Kg7 50. Rb8 a3 51. f3 Rb2+ 52. Kg3 Rb3 53. Kf4 Rxc3 54. Rxb5 Rc4+ 55. Ke5 Ra4 56. Rb1 Ra5+ 57. Kf4 a2 58. Ra1 Kf8 59. Ke4 Ke7 60. f4 Ke6 0-1

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "18"]
[White "D'Costa, Lorin AR"]
[Black "Sorensen, Hampus"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2361"]
[BlackElo "2196"]
[PlyCount "75"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. dxc5 Nc6 5. Bb5 Bg4 6. Nf3 Bxf3 7. gxf3 a6 8. Ba4 Qa5+ 9. Nc3 Qxc5 10. Qd2 e6 11. Rg1 g6 12. e4 dxe4 13. fxe4 Rd8 14. Qe3 Qb4 15. Bb3 Bc5 16. Qf3 Nd4 17. Qg2 Nb5 18. Bd2 Rxd2 19. Kxd2 Qd4+ 20. Ke2 Nxc3+ 21. bxc3 Qxc3 22. Rad1 0-0 23. Qf3 Qe5 24. Kf1 Rc8 25. Re1 Bb4 26. Re3 Nh5 27. Kg2 Bc5 28. Ree1 Rd8 29. Kh1 Nf4 30. Rg4 Nh5 31. c3 Bb6 32. Rd1 Rxd1+ 33. Bxd1 Bc7 34. Rg2 Nf4 35. Rg3 Nh5 36. Rg2 Nf4 37. Rg3 Nh5 38. Rg2 1/2-1/2

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "8"]
[White "D'Costa, Lorin AR"]
[Black "Stabulnieks, Klavs"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2361"]
[BlackElo "2069"]
[PlyCount "72"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 0-0 5. h3 d6 6. Be2 Nfd7 7. Bh2 e5 8. c4 Nc6 9. Nc3 f5 10. 0-0 e4 11. Nd2 Nf6 12. Rb1 g5 13. b4 Ne7 14. b5 Ng6 15. Qb3 Kh8 16. c5 dxc5 17. dxc5 Qe7 18. Rbc1 f4 19. exf4 gxf4 20. Rfe1 e3 21. Nf3 exf2+ 22. Kxf2 Qxc5+ 23. Kf1 Qh5 24. Kg1 Bd7 25. Na4 Rae8 26. Rc5 Qh6 27. Rxc7 Bf5 28. Rxb7 Ne4 29. Rxa7 Ng3 30. Bd3 Rxe1+ 31. Nxe1 Ne5 32. Bxf5 Nxf5 33. Nf3 Ne3 34. Re7 Nxf3+ 35. gxf3 Qg5+ 36. Kf2 Qxe7 0-1

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "19"]
[White "D'Costa, Lorin AR"]
[Black "Vetokhin, Savva"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2361"]
[BlackElo "2145"]
[PlyCount "113"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Qd2 a6 7. a4 0-0 8. Nf3 Ne8 9. Be2 e6 10. 0-0 e5 11. Bh6 f5 12. Bxg7 Nxg7 13. exf5 gxf5 14. Rab1 Nd7 15. Ne1 Nf6 16. f4 e4 17. Nd1 Bd7 18. a5 Re8 19. Ne3 Qe7 20. b4 cxb4 21. Rxb4 Rab8 22. c3 Rec8 23. N1c2 Qd8 24. Ra1 Qc7 25. Ra3 b6 26. axb6 Rxb6 27. Bxa6 Rxb4 28. Nxb4 Qb6 29. Bxc8 Bxc8 30. Nc6 Bb7 31. Nb4 Ng4 32. Qd4 Qxd4 33. cxd4 Nxe3 34. Rxe3 Nh5 35. g3 Nf6 36. Ra3 Nxd5 37. Nxd5 Bxd5 38. Kf2 Bc4 39. d5 Bxd5 40. Ra6 Bc4 41. Rxd6 Kf7 42. Ke3 Bd3 43. Rxd3 exd3 44. Kxd3 Ke6 45. Kc4 Kf6 46. Kd5 h6 47. Kd6 Kg6 48. Ke5 Kh5 49. h3 Kg6 50. Ke6 Kh5 51. Kd5 Kg6 52. Ke5 Kh5 53. Kd5 Kg6 54. Ke6 Kh5 55. g4+ fxg4 56. hxg4+ Kxg4 57. f5 1-0

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "11"]
[White "D'Costa, Lorin AR"]
[Black "Ziska, Helgi Dam"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2361"]
[BlackElo "2614"]
[PlyCount "113"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 d6 5. h3 0-0 6. Be2 Nbd7 7. Bh2 b6 8. c4 Bb7 9. Nc3 e5 10. 0-0 exd4 11. Nxd4 Ne4 12. Nxe4 Bxe4 13. Qd2 a5 14. Bf3 Nc5 15. Bxe4 Nxe4 16. Qc2 Re8 17. Rfd1 Qf6 18. Rab1 Bh6 19. Nf3 Rad8 20. Rd3 Re7 21. b3 Rde8 22. a3 Bg7 23. b4 axb4 24. axb4 Ra8 25. Rd4 Rae8 26. Rd3 Bh6 27. Rbd1 Ra8 28. Nd4 Ree8 29. Re1 Bg7 30. Nf3 Ra7 31. Nd4 Rea8 32. Rdd1 Ra2 33. Qxe4 Qxf2+ 34. Kh1 Qb2 35. b5 Kf8 36. Rf1 Re8 37. Qd5 Re7 38. Rb1 Qd2 39. Nc6 Qxd5 40. cxd5 Rxe3 41. Rbe1 Rxe1 42. Rxe1 Rd2 43. Nb4 Bc3 44. Rb1 Rd4 45. Na6 Rxd5 46. Nxc7 Rd3 47. Bg1 Ba5 48. Na8 d5 49. Bxb6 Bc3 50. Bc5+ Ke8 51. b6 Be5 52. b7 Kd7 53. b8Q Bxb8 54. Rxb8 Rc3 55. Bb4 Rc4 56. Nb6+ Kc7 57. Nxc4 1-0

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "10"]
[White "Haitin, Ilja"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2146"]
[BlackElo "2361"]
[PlyCount "96"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 c5 3. d5 Ne4 4. Bf4 Qb6 5. Qc1 g6 6. f3 Nd6 7. e4 Bg7 8. c3 f5 9. Nd2 0-0 10. Be3 fxe4 11. fxe4 e6 12. dxe6 dxe6 13. Ngf3 Qc7 14. Be2 b6 15. 0-0 Bb7 16. Qc2 Nc6 17. Nc4 Rae8 18. Rad1 Nxc4 19. Bxc4 Ne5 20. Be2 Ng4 21. Rd3 Bxe4 22. Qd2 Bxd3 23. Bxd3 e5 24. Be4 Nf6 25. Qc2 Nxe4 26. Qxe4 Qd7 27. c4 Kh8 28. b3 Qf5 29. Qb7 Rf7 30. Qc6 Qd7 31. Qe4 Rf5 32. h3 Rd8 33. Re1 Qd3 34. Qh4 Re8 35. Ng5 h6 36. Nf3 Rh5 37. Qg4 Kh7 38. Rf1 Qf5 39. Qg3 Qe6 40. Re1 Rf5 41. Bc1 e4 42. Nh4 Bd4+ 43. Kh1 Bf2 44. Qg4 Bxe1 45. Nxf5 Qxf5 46. Qe2 Bc3 47. Be3 Bd4 48. Bc1 e3 0-1

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "22"]
[White "Psyk, Radoslaw"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2144"]
[BlackElo "2361"]
[PlyCount "59"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. f4 b5 4. Nf3 Bb7 5. d3 d6 6. g3 g6 7. Bg2 Bg7 8. 0-0 Nf6 9. Be3 0-0 10. Qc1 Nc6 11. f5 Ng4 12. Bd2 Nd4 13. h3 b4 14. Nxd4 bxc3 15. bxc3 cxd4 16. hxg4 dxc3 17. Bh6 Qb6+ 18. Kh2 Qd4 19. Bxg7 Kxg7 20. g5 Qe5 21. d4 Qxd4 22. f6+ Kh8 23. Rb1 Bxe4 24. Qf4 d5 25. fxe7 Rfe8 26. Bxe4 dxe4 27. Qf6+ Qxf6 28. gxf6 h5 29. g4 hxg4 30. Kg3 1-0

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "17"]
[White "Sorensen, Hampus"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "D90"]
[WhiteElo "2196"]
[BlackElo "2361"]
[PlyCount "86"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 c6 6. Bg5 Ne4 7. e3 h6 8. Bf4 Nxc3 9. bxc3 Qa5 10. Qb3 0-0 11. Bd3 dxc4 12. Bxc4 c5 13. 0-0 Nc6 14. d5 Nb8 15. Ne5 Nd7 16. Nxf7 Kxf7 17. d6+ Ke8 18. Qc2 Rf6 19. dxe7 Kxe7 20. Rad1 Nf8 21. Qe4+ Ne6 22. Be5 Kf7 23. Bxf6 Bxf6 24. h5 gxh5 25. Qh7+ Bg7 26. Rd6 Qc7 27. Rfd1 Qe7 28. Qf5+ Bf6 29. Qxh5+ Kg7 30. R6d5 a6 31. Bd3 Qf7 32. Qg4+ Ng5 33. Qg3 Qxd5 34. f4 Qf7 35. fxg5 Bxg5 36. Rf1 Qe7 37. e4 Be6 38. Qe5+ Bf6 39. Qg3+ Bg5 40. Qe5+ Kg8 41. Qg3 Rf8 42. Re1 Qf6 43. e5 Qf4 0-1

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "7"]
[White "Stabulnieks, Klavs"]
[Black "D'Costa, Lorin AR"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2069"]
[BlackElo "2361"]
[PlyCount "113"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Bg7 6. e4 Nb6 7. Be3 0-0 8. h3 Nc6 9. Nf3 e5 10. d5 Ne7 11. a4 a5 12. Qb3 Bd7 13. d6 Nec8 14. dxc7 Qxc7 15. Rc1 Qd8 16. Rd1 Be6 17. Qa3 Qc7 18. Nb5 Qc6 19. Bd3 Nc4 20. Qc3 Nxe3 21. fxe3 Qb6 22. Be2 Na7 23. Nd6 Rfd8 24. Nc4 Rxd1+ 25. Bxd1 Qc5 26. Be2 b5 27. axb5 Nxb5 28. Qd3 Bf6 29. 0-0 Rd8 30. Qc2 Nd6 31. b3 Nxc4 32. Bxc4 Bxc4 33. bxc4 Qxe3+ 34. Kh1 Qc5 35. Rb1 Rc8 36. Nd2 Bg5 37. Nb3 Qxc4 38. Qd1 Qxe4 39. Nxa5 Rd8 40. Qf1 Rf8 41. Nc4 Bh6 42. Nd6 Qd5 43. Nb5 e4 44. Qe2 Bg7 45. Re1 f5 46. Rd1 Qe6 47. Rd6 Qe7 48. Qc4+ Kh8 49. Rc6 Be5 50. Qc1 f4 51. Nc7 f3 52. Ne6 Re8 53. Qc4 fxg2+ 54. Kxg2 e3 55. Nc5 Bg7 56. Qe2 Qe5 57. Nd3 0-1

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "20"]
[White "Vetokhin, Savva"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2145"]
[BlackElo "2361"]
[PlyCount "138"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 g6 5. Nf3 Bg7 6. Be2 cxd4 7. cxd4 Nf6 8. Nc3 Qa5 9. 0-0 0-0 10. Be3 Nc6 11. Qb3 Qb4 12. Qc2 Bf5 13. Qd2 Ne4 14. Nxe4 Bxe4 15. Qc3 Rac8 16. Rac1 Rfd8 17. Rfd1 Bd5 18. a3 Qxc3 19. bxc3 Na5 20. Nd2 Nc4 21. Nxc4 Bxc4 22. Bf3 b6 23. Be4 e6 24. f3 Bf8 25. Ra1 Be7 26. Kf2 Rc7 27. Bf4 Bd6 28. Bxd6 Rxd6 29. Bd3 Rdc6 30. Rac1 Bb3 31. c4 Bxd1 32. Rxd1 Rxc4 33. Bxc4 Rxc4 34. d5 Rc2+ 35. Kg3 exd5 36. Rxd5 Rc3 37. a4 Rc4 38. a5 Rc6 39. axb6 axb6 40. Rd8+ Kg7 41. Rb8 h5 42. Rb7 Kf6 43. h4 Ke6 44. Kf4 Rc4+ 45. Kg3 Rb4 46. Kh3 Rb1 47. Kg3 Kf6 48. Kf4 Rb2 49. Kg3 Ke6 50. Kh3 Kf6 51. Kg3 b5 52. Kh3 b4 53. Kg3 b3 54. Kh3 Rb1 55. Kg3 Ke6 56. Kf4 Kf6 57. Kg3 Kg7 58. Kf4 Kf6 59. Kg3 b2 60. Kh2 Ke5 61. Kg3 Kd6 62. Rb8 f6 63. Rb6+ Kc5 64. Rb8 Kc4 65. Rb7 g5 66. hxg5 fxg5 67. Rb8 h4+ 68. Kf2 h3 69. Kg3 hxg2 1-0

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "12"]
[White "Ziska, Helgi Dam"]
[Black "D'Costa, Lorin AR"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2614"]
[BlackElo "2361"]
[PlyCount "65"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. 0-0 Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. h3 Bxf3 9. Qxf3 g6 10. d3 Bg7 11. Nd2 0-0 12. Qd1 b5 13. Nf3 b4 14. d4 bxc3 15. bxc3 Nd7 16. Be3 Qa5 17. Qc2 Rfc8 18. d5 Nce5 19. Nd2 c4 20. Bd4 Nc5 21. Reb1 Ncd3 22. Rb7 Bf6 23. Bb6 Qb5 24. Rb1 Qe8 25. Be3 g5 26. Bd4 Qf8 27. Nxc4 Nxc4 28. Qxd3 Bxd4 29. cxd4 a5 30. Qc3 Ne5 31. Qe3 Nd7 32. Qxg5+ Kh8 33. Rxd7 1-0

