[Event "Blonduos Icelandic op"]
[Site "Blonduos"]
[Date "2025.06.21"]
[Round "9"]
[White "Omarsson, Adam"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2123"]
[BlackElo "2515"]
[PlyCount "164"]
[EventDate "2025.06.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. Nc3 Bb4 4. e3 Bxc3+ 5. bxc3 Bb7 6. f3 Qh4+ 7. g3 Qe7 8. e4 d6 9. Nh3 e5 10. Nf2 Nf6 11. Be2 0-0 12. 0-0 Ba6 13. d5 c6 14. a4 Qc7 15. Ba3 Rd8 16. Qd2 cxd5 17. cxd5 Bxe2 18. Qxe2 Nbd7 19. Nd3 Rac8 20. Rfc1 Nb8 21. c4 Nfd7 22. Kg2 Na6 23. Rc3 Rf8 24. f4 exf4 25. gxf4 Rfe8 26. Re1 Nac5 27. Nxc5 Nxc5 28. Bxc5 Qxc5 29. Qf2 f6 30. Qxc5 Rxc5 31. Kf3 Rec8 32. Rec1 Ra5 33. Ra3 b5 34. Rb3 bxc4 35. Rb4 c3 36. Rc2 f5 37. Ke3 fxe4 38. Kxe4 Rc7 39. Kd4 Rac5 40. Rb8+ Kf7 41. Rd8 Rc4+ 42. Kd3 Rxf4 43. Rxd6 Rxa4 44. Rf2+ Ke8 45. Re6+ Re7 46. Rc6 Rd7 47. d6 c2 48. Rfxc2 Kf7 49. Rc7 Ke6 50. Rxd7 Kxd7 51. Rc7+ Kxd6 52. Rxg7 h5 53. Rh7 Ra5 54. Kc4 Rc5+ 55. Kd4 Rd5+ 56. Kc4 Rc5+ 57. Kd4 Ra5 58. Kc4 Ra4+ 59. Kc3 Ra3+ 60. Kd4 h4 61. Ke4 h3 62. Kf4 Kc5 63. Kg4 a5 64. Rc7+ Kb4 65. Rb7+ Ka4 66. Rb8 Rb3 67. Ra8 Kb4 68. Kh4 a4 69. Rb8+ Ka3 70. Ra8 Rc3 71. Rb8 Ka2 72. Rb7 a3 73. Rb6 Ka1 74. Rb8 a2 75. Rb7 Rc1 76. Kxh3 Rb1 77. Ra7 Kb2 78. Kg4 a1Q 79. Rxa1 Rxa1 80. Kg5 Kc3 81. h4 Kd4 82. h5 Ke5 0-1

[Event "Blonduos Icelandic op"]
[Site "Blonduos"]
[Date "2025.06.20"]
[Round "8"]
[White "Stefansson, Vignir Vatnar"]
[Black "Schitco, Ivan"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2515"]
[BlackElo "2483"]
[PlyCount "42"]
[EventDate "2025.06.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Qe2 e6 7. b3 Be7 8. Bb2 0-0 9. c4 Re8 10. d4 d5 11. Nbd2 dxe4 12. Nxe4 Qc7 13. Rfd1 Rad8 14. Rd2 cxd4 15. Bxd4 e5 16. Bc3 Nxe4 17. Qxe4 f6 18. Qd5+ Kf8 19. Qe4 Kg8 20. Qd5+ Kf8 21. Qe4 Kg8 1/2-1/2

[Event "Blonduos Icelandic op"]
[Site "Blonduos"]
[Date "2025.06.19"]
[Round "7"]
[White "Stefansson, Vignir Vatnar"]
[Black "Kjartansson, Gudmundur"]
[Result "1-0"]
[ECO "E00"]
[WhiteElo "2515"]
[BlackElo "2437"]
[PlyCount "141"]
[EventDate "2025.06.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Bg5 h6 4. Bh4 Bb4+ 5. Nd2 b6 6. a3 Bxd2+ 7. Qxd2 g5 8. Bg3 Ne4 9. Qc2 Nxg3 10. hxg3 Bb7 11. 0-0-0 Qf6 12. f3 Nc6 13. e3 h5 14. Bd3 0-0-0 15. Ne2 Qg7 16. Kb1 f5 17. Rc1 Kb8 18. c5 Rc8 19. Qa4 h4 20. gxh4 Rxh4 21. Rxh4 gxh4 22. Nf4 e5 23. dxe5 Qxe5 24. cxb6 axb6 25. Re1 Rg8 26. Re2 Qf6 27. Bc4 Re8 28. Bd5 Qd6 29. Bxc6 Bxc6 30. Qd4 Qxd4 31. exd4 Rxe2 32. Nxe2 Bb5 33. Nf4 Bf1 34. Ng6 Bxg2 35. Nxh4 Bh3 36. Kc2 Kb7 37. Kd2 Kc6 38. Ng6 Kb5 39. b3 Kc6 40. Ke2 f4 41. Nxf4 Bf5 42. Kd2 Kd6 43. b4 b5 44. Ke3 c6 45. Kf2 Bc2 46. Kg3 Bd1 47. Ng2 Ke6 48. Ne3 Be2 49. Kf4 Kf6 50. d5 Ke7 51. Nf5+ Kf6 52. dxc6 dxc6 53. Nd4 Bf1 54. Ke4 Bc4 55. Nxc6 Ke6 56. Nd4+ Kd6 57. Nf5+ Ke6 58. Ne3 Ba2 59. Kd4 Kd6 60. Nd1 Bd5 61. f4 Bg2 62. Nc3 Bf1 63. Ne4+ Ke6 64. Kc5 Bg2 65. Nd6 Bh1 66. Nxb5 Kf5 67. Nd4+ Kxf4 68. Nc6 Kf5 69. b5 Ke6 70. b6 Kd7 71. b7 1-0

[Event "Blonduos Icelandic op"]
[Site "Blonduos"]
[Date "2025.06.18"]
[Round "6"]
[White "Domalchuk Jonasson, Aleksandr"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2350"]
[BlackElo "2515"]
[PlyCount "52"]
[EventDate "2025.06.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 d5 7. exd6 Qxd6 8. 0-0 e5 9. Na3 Be7 10. Re1 0-0 11. d4 exd4 12. cxd4 Bg4 13. dxc5 Qxc5 14. Be3 Qh5 15. h3 Bxf3 16. Qxf3 Qxf3 17. gxf3 Ne5 18. Kg2 Nd3 19. Re2 Rae8 20. Rd1 Nxb2 21. Rxb2 Bxa3 22. Rc2 Nc8 23. Rd7 Re7 24. Rcc7 Rxd7 25. Rxd7 b6 26. Bc4 Nd6 1/2-1/2

[Event "Blonduos Icelandic op"]
[Site "Blonduos"]
[Date "2025.06.18"]
[Round "5"]
[White "Stefansson, Vignir Vatnar"]
[Black "Stefansson, Hannes"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "2515"]
[BlackElo "2424"]
[PlyCount "50"]
[EventDate "2025.06.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. a3 a6 7. cxd5 exd5 8. Be2 c4 9. b3 cxb3 10. Qxb3 b5 11. Ne5 Na5 12. Qc2 Be7 13. 0-0 0-0 14. Bd3 Bb7 15. Ne2 Rc8 16. Qb1 Re8 17. Bf5 Rb8 18. Bd2 Nc4 19. Nxc4 bxc4 20. Qe1 Bd6 21. f3 Bc6 22. Bc2 Rb2 23. Qc1 Rb7 24. Qe1 Rb2 25. Qc1 Rb7 1/2-1/2

[Event "Blonduos Icelandic op"]
[Site "Blonduos"]
[Date "2025.06.17"]
[Round "4"]
[White "Birkisson, Bardur Orn"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2280"]
[BlackElo "2515"]
[PlyCount "48"]
[EventDate "2025.06.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 a6 6. Ba4 b5 7. Bc2 d6 8. h3 e5 9. d3 Nge7 10. Be3 0-0 11. d4 exd4 12. cxd4 Bb7 13. Nc3 cxd4 14. Nxd4 Ne5 15. b3 Rc8 16. Nce2 Nd7 17. f4 Nf6 18. Ng3 Re8 19. Qd2 Nc6 20. Rad1 Nxd4 21. Bxd4 h5 22. f5 h4 23. fxg6 hxg3 24. Bxf6 Bxf6 1/2-1/2

[Event "Blonduos Icelandic op"]
[Site "Blonduos"]
[Date "2025.06.16"]
[Round "2"]
[White "Peycheva, Gergana"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[ECO "E40"]
[WhiteElo "2200"]
[BlackElo "2515"]
[PlyCount "86"]
[EventDate "2025.06.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc6 5. Nge2 d5 6. a3 Bd6 7. c5 Be7 8. b4 e5 9. b5 exd4 10. exd4 Na5 11. Ng3 0-0 12. Bd3 b6 13. cxb6 cxb6 14. 0-0 Be6 15. Nf5 Rc8 16. Nxe7+ Qxe7 17. Na2 Ne4 18. f3 Nd6 19. Nb4 Qf6 20. Kh1 Kh8 21. Bb2 Nac4 22. Bxc4 dxc4 23. a4 c3 24. Bc1 Rc4 25. Nc6 Bd5 26. Ne5 c2 27. Qd2 Rc7 28. Ba3 Rfc8 29. Bxd6 Qxd6 30. Rfc1 f6 31. Ng4 Bb3 32. h3 Rc4 33. d5 Qc5 34. Nf2 Rd4 35. Qe2 Qxd5 36. Qe3 Bxa4 37. Kh2 Qe5+ 38. Qxe5 fxe5 39. Ng4 e4 40. fxe4 Rxe4 41. Ra3 h5 42. Nf2 Rd4 43. Nd3 Bxb5 0-1

[Event "Blonduos Icelandic op"]
[Site "Blonduos"]
[Date "2025.06.16"]
[Round "3"]
[White "Stefansson, Vignir Vatnar"]
[Black "Heimisson, Hilmir Freyr"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2515"]
[BlackElo "2349"]
[PlyCount "45"]
[EventDate "2025.06.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Bc5 5. Nxe5 0-0 6. Bxc6 dxc6 7. d3 Qe7 8. Nf3 Bg4 9. Be3 Bd6 10. Nbd2 Bh5 11. h3 Rad8 12. Re1 Nd7 13. d4 f6 14. c3 Kh8 15. g4 Bg6 16. e5 fxe5 17. Bg5 Qf7 18. Bxd8 e4 19. Nxe4 Bxe4 20. Rxe4 Rxd8 21. Ne5 Qd5 22. Re3 Nf6 23. Qb3 1-0

[Event "Blonduos Icelandic op"]
[Site "Blonduos"]
[Date "2025.06.15"]
[Round "1"]
[White "Stefansson, Vignir Vatnar"]
[Black "Barthel, Ansgar"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2515"]
[BlackElo "2042"]
[PlyCount "83"]
[EventDate "2025.06.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 c6 6. Bd3 Nd7 7. Nf3 g6 8. 0-0 Bg7 9. Re1 0-0 10. c4 Nc7 11. Nc3 a6 12. a4 Re8 13. h3 e5 14. Bg5 f6 15. Be3 exd4 16. Nxd4 Ne5 17. Bf1 Ne6 18. a5 Nxd4 19. Bxd4 Be6 20. Na4 Nd7 21. Qb3 Qc7 22. Qf3 Bf7 23. Red1 Rad8 24. b4 f5 25. Bxg7 Kxg7 26. Qc3+ Kg8 27. Rd2 Nf8 28. Rad1 Rxd2 29. Rxd2 Rd8 30. Rxd8 Qxd8 31. Nc5 Qe7 32. Qe3 Qc7 33. g3 Qd6 34. Nxb7 Qxb4 35. Qb6 Qxb6 36. axb6 Nd7 37. c5 a5 38. Nxa5 Nxc5 39. b7 Nxb7 40. Nxb7 Kf8 41. Bg2 Be8 42. Nd8 1-0

[Event "Helsingor Kronborg GM"]
[Site "Helsingor"]
[Date "2025.06.01"]
[Round "9"]
[White "Hansen, Sune Berg"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "A27"]
[WhiteElo "2503"]
[BlackElo "2528"]
[PlyCount "116"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "8"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. e3 Be7 5. d4 e4 6. Ng1 Nf6 7. Nh3 0-0 8. a3 Qe8 9. b4 d6 10. Bd2 Nd8 11. Nb5 Ne6 12. d5 a6 13. Nc3 Nd8 14. Be2 Nf7 15. Nf4 g5 16. Ne6 Bxe6 17. dxe6 Nd8 18. Nd5 Nxe6 19. Bc3 Rd8 20. g4 f4 21. exf4 Nxd5 22. Qxd5 Qf7 23. f5 Nf4 24. Qd4 Bf6 25. Qxf6 Qxf6 26. Bxf6 Rxf6 27. Kd2 Kg7 28. h4 h6 29. hxg5 hxg5 30. Rh2 Rf7 31. Rah1 Kf6 32. Rh8 Rdd7 33. Bf1 c6 34. Re8 Rde7 35. Rhh8 d5 36. cxd5 cxd5 37. b5 d4 38. Rh6+ Ke5 39. Rxe7+ Rxe7 40. bxa6 bxa6 41. Rxa6 Rc7 42. Ra5+ Nd5 43. Be2 d3 44. Bd1 Rb7 45. f6 Rb2+ 46. Ke1 d2+ 47. Ke2 Kd6 48. Rxd5+ Kxd5 49. f7 Rb8 50. Bb3+ Kd6 51. Kxd2 Ke7 52. Bc4 Ra8 53. Ke3 Ra4 54. Bd5 Kf8 55. Be6 Kg7 56. Bd5 Rxa3+ 57. Kxe4 Ra4+ 58. Kf5 Ra5 1/2-1/2

[Event "Helsingor Kronborg GM"]
[Site "Helsingor"]
[Date "2025.06.01"]
[Round "9"]
[White "Hansen, Sune Berg"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "A27"]
[WhiteElo "2503"]
[BlackElo "2528"]
[PlyCount "116"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "8"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. e3 Be7 5. d4 e4 6. Ng1 Nf6 7. Nh3 0-0 8. a3 Qe8 9. b4 d6 10. Bd2 Nd8 11. Nb5 Ne6 12. d5 a6 13. Nc3 Nd8 14. Be2 Nf7 15. Nf4 g5 16. Ne6 Bxe6 17. dxe6 Nd8 18. Nd5 Nxe6 19. Bc3 Rd8 20. g4 f4 21. exf4 Nxd5 22. Qxd5 Qf7 23. f5 Nf4 24. Qd4 Bf6 25. Qxf6 Qxf6 26. Bxf6 Rxf6 27. Kd2 Kg7 28. h4 h6 29. hxg5 hxg5 30. Rh2 Rf7 31. Rah1 Kf6 32. Rh8 Rdd7 33. Bf1 c6 34. Re8 Rde7 35. Rhh8 d5 36. cxd5 cxd5 37. b5 d4 38. Rh6+ Ke5 39. Rxe7+ Rxe7 40. bxa6 bxa6 41. Rxa6 Rc7 42. Ra5+ Nd5 43. Be2 d3 44. Bd1 Rb7 45. f6 Rb2+ 46. Ke1 d2+ 47. Ke2 Kd6 48. Rxd5+ Kxd5 49. f7 Rb8 50. Bb3+ Kd6 51. Kxd2 Ke7 52. Bc4 Ra8 53. Ke3 Ra4 54. Bd5 Kf8 55. Be6 Kg7 56. Bd5 Rxa3+ 57. Kxe4 Ra4+ 58. Kf5 Ra5 1/2-1/2

[Event "Helsingor Kronborg GM"]
[Site "Helsingor"]
[Date "2025.05.31"]
[Round "7"]
[White "Galopoulos, Nikolaos"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2419"]
[BlackElo "2528"]
[PlyCount "59"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "8"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Nbd2 a5 6. a3 Be7 7. Bg2 0-0 8. 0-0 a4 9. Qc2 Nc6 10. Rd1 Bd7 11. b4 axb3 12. Nxb3 Na5 13. Nxa5 Rxa5 14. Bd2 Ra7 15. Rdc1 Bxa3 16. Bb4 Ba4 17. Rxa3 Bxc2 18. Rxa7 Qb8 19. Ra3 Re8 20. Rxc2 Nd7 21. cxd5 exd5 22. e3 c6 23. Nd2 h5 24. e4 dxe4 25. Nxe4 Nb6 26. Nd6 Rd8 27. Nf5 Nc8 28. d5 Qe5 29. Ne3 cxd5 30. Ra8 1-0

[Event "Helsingor Kronborg GM"]
[Site "Helsingor"]
[Date "2025.05.31"]
[Round "7"]
[White "Galopoulos, Nikolaos"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2419"]
[BlackElo "2528"]
[PlyCount "59"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "8"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Nbd2 a5 6. a3 Be7 7. Bg2 0-0 8. 0-0 a4 9. Qc2 Nc6 10. Rd1 Bd7 11. b4 axb3 12. Nxb3 Na5 13. Nxa5 Rxa5 14. Bd2 Ra7 15. Rdc1 Bxa3 16. Bb4 Ba4 17. Rxa3 Bxc2 18. Rxa7 Qb8 19. Ra3 Re8 20. Rxc2 Nd7 21. cxd5 exd5 22. e3 c6 23. Nd2 h5 24. e4 dxe4 25. Nxe4 Nb6 26. Nd6 Rd8 27. Nf5 Nc8 28. d5 Qe5 29. Ne3 cxd5 30. Ra8 1-0

[Event "Helsingor Kronborg GM"]
[Site "Helsingor"]
[Date "2025.05.31"]
[Round "8"]
[White "Stefansson, Vignir Vatnar"]
[Black "Ragnarsson, Dagur"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2528"]
[BlackElo "2344"]
[PlyCount "49"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "8"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bh4 Be7 8. Bd3 0-0 9. Nge2 Ne8 10. Bg3 Nd6 11. 0-0 Re8 12. b4 a6 13. Qc2 Bf8 14. a4 Nd7 15. b5 axb5 16. axb5 Rxa1 17. Rxa1 Nb6 18. bxc6 bxc6 19. Na4 Nxa4 20. Qxa4 Bd7 21. Qc2 Ne4 22. Be5 Qb6 23. Bxe4 dxe4 24. Nc3 c5 25. Rb1 1/2-1/2

[Event "Helsingor Kronborg GM"]
[Site "Helsingor"]
[Date "2025.05.31"]
[Round "8"]
[White "Stefansson, Vignir Vatnar"]
[Black "Ragnarsson, Dagur"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2528"]
[BlackElo "2344"]
[PlyCount "49"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "8"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bh4 Be7 8. Bd3 0-0 9. Nge2 Ne8 10. Bg3 Nd6 11. 0-0 Re8 12. b4 a6 13. Qc2 Bf8 14. a4 Nd7 15. b5 axb5 16. axb5 Rxa1 17. Rxa1 Nb6 18. bxc6 bxc6 19. Na4 Nxa4 20. Qxa4 Bd7 21. Qc2 Ne4 22. Be5 Qb6 23. Bxe4 dxe4 24. Nc3 c5 25. Rb1 1/2-1/2

[Event "Helsingor Kronborg GM"]
[Site "Helsingor"]
[Date "2025.05.30"]
[Round "5"]
[White "Kaasen, Tor Fredrik"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2471"]
[BlackElo "2528"]
[PlyCount "129"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "8"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Nd2 0-0 6. Ngf3 b6 7. 0-0 Bb7 8. b3 c5 9. Bb2 Nc6 10. dxc5 Bxc5 11. a3 a5 12. e3 Ba6 13. Qc2 Rc8 14. Rfd1 Re8 15. Ng5 h6 16. cxd5 exd5 17. Nde4 Nxe4 18. Nxe4 Bd4 19. Nc3 Bxc3 20. Rxd5 Qf6 21. Bxc3 Nb4 22. axb4 Rxc3 23. Qd1 Rxb3 24. Rd6 Qc3 25. Rxb6 Be2 26. Qe1 axb4 27. Qxc3 Rxc3 28. Rxb4 Rd8 29. Be4 g6 30. Kg2 Rc7 31. Rb2 Bd3 32. Bxd3 Rxd3 33. g4 Rd5 34. h4 Rc4 35. Kh3 Rdc5 36. Rb7 Rc7 37. Ra8+ Kg7 38. Rbb8 Rc2 39. g5 hxg5 40. hxg5 f5 41. gxf6+ Kxf6 42. Kg3 R7c5 43. Rf8+ Kg7 44. f4 R2c3 45. Kf3 Rh5 46. Rg8+ Kf7 47. Rgf8+ Kg7 48. Rfb8 Rh3+ 49. Kg4 Rhxe3 50. Rb7+ Kf6 51. Ra6+ Re6 52. Raa7 Re8 53. Rb6+ Re6 54. Rb8 Re7 55. Ra6+ Re6 56. Rf8+ Kg7 57. Rxe6 Kxf8 58. Rxg6 Kf7 59. Ra6 Rc5 60. f5 Rc1 61. Kg5 Rg1+ 62. Kf4 Rf1+ 63. Kg5 Rg1+ 64. Kf4 Rf1+ 65. Ke4 1/2-1/2

[Event "Helsingor Kronborg GM"]
[Site "Helsingor"]
[Date "2025.05.30"]
[Round "5"]
[White "Kaasen, Tor Fredrik"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2471"]
[BlackElo "2528"]
[PlyCount "129"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "8"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Nd2 0-0 6. Ngf3 b6 7. 0-0 Bb7 8. b3 c5 9. Bb2 Nc6 10. dxc5 Bxc5 11. a3 a5 12. e3 Ba6 13. Qc2 Rc8 14. Rfd1 Re8 15. Ng5 h6 16. cxd5 exd5 17. Nde4 Nxe4 18. Nxe4 Bd4 19. Nc3 Bxc3 20. Rxd5 Qf6 21. Bxc3 Nb4 22. axb4 Rxc3 23. Qd1 Rxb3 24. Rd6 Qc3 25. Rxb6 Be2 26. Qe1 axb4 27. Qxc3 Rxc3 28. Rxb4 Rd8 29. Be4 g6 30. Kg2 Rc7 31. Rb2 Bd3 32. Bxd3 Rxd3 33. g4 Rd5 34. h4 Rc4 35. Kh3 Rdc5 36. Rb7 Rc7 37. Ra8+ Kg7 38. Rbb8 Rc2 39. g5 hxg5 40. hxg5 f5 41. gxf6+ Kxf6 42. Kg3 R7c5 43. Rf8+ Kg7 44. f4 R2c3 45. Kf3 Rh5 46. Rg8+ Kf7 47. Rgf8+ Kg7 48. Rfb8 Rh3+ 49. Kg4 Rhxe3 50. Rb7+ Kf6 51. Ra6+ Re6 52. Raa7 Re8 53. Rb6+ Re6 54. Rb8 Re7 55. Ra6+ Re6 56. Rf8+ Kg7 57. Rxe6 Kxf8 58. Rxg6 Kf7 59. Ra6 Rc5 60. f5 Rc1 61. Kg5 Rg1+ 62. Kf4 Rf1+ 63. Kg5 Rg1+ 64. Kf4 Rf1+ 65. Ke4 1/2-1/2

[Event "Helsingor Kronborg GM"]
[Site "Helsingor"]
[Date "2025.05.30"]
[Round "6"]
[White "Stefansson, Vignir Vatnar"]
[Black "Borge, Nikolaj"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2528"]
[BlackElo "2369"]
[PlyCount "95"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "8"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be6 8. g3 Rc8 9. Bg2 Nf6 10. 0-0 Be7 11. Bg5 Na5 12. Bxf6 Bxf6 13. Qa4+ Ke7 14. Nd5+ Bxd5 15. Bxd5 Qb6 16. b4 Nc6 17. Rab1 Nd4 18. Qd1 Rc7 19. e3 Ne6 20. Rb3 Rd8 21. Nb1 Rcc8 22. Nc3 Kf8 23. Qg4 Qc7 24. Ne4 Be7 25. f4 exf4 26. Bxe6 fxe6 27. Qxe6 Qxc4 28. Rxf4+ Bf6 29. Qxc4 Rxc4 30. Nxf6 Rc1+ 31. Kg2 gxf6 32. Rxf6+ Kg7 33. Rf2 Rdc8 34. Rd3 R1c6 35. Rfd2 Re8 36. Rxd6 Rxd6 37. Rxd6 Rxe3 38. a4 Re7 39. Rb6 Kf7 40. g4 Ke8 41. h4 Kd8 42. g5 Re4 43. Kg3 Kc7 44. a5 Kc8 45. h5 Re7 46. Kf4 Kd8 47. Kf5 Ke8 48. Re6 1-0

[Event "Helsingor Kronborg GM"]
[Site "Helsingor"]
[Date "2025.05.30"]
[Round "6"]
[White "Stefansson, Vignir Vatnar"]
[Black "Borge, Nikolaj"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2528"]
[BlackElo "2369"]
[PlyCount "95"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "8"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be6 8. g3 Rc8 9. Bg2 Nf6 10. 0-0 Be7 11. Bg5 Na5 12. Bxf6 Bxf6 13. Qa4+ Ke7 14. Nd5+ Bxd5 15. Bxd5 Qb6 16. b4 Nc6 17. Rab1 Nd4 18. Qd1 Rc7 19. e3 Ne6 20. Rb3 Rd8 21. Nb1 Rcc8 22. Nc3 Kf8 23. Qg4 Qc7 24. Ne4 Be7 25. f4 exf4 26. Bxe6 fxe6 27. Qxe6 Qxc4 28. Rxf4+ Bf6 29. Qxc4 Rxc4 30. Nxf6 Rc1+ 31. Kg2 gxf6 32. Rxf6+ Kg7 33. Rf2 Rdc8 34. Rd3 R1c6 35. Rfd2 Re8 36. Rxd6 Rxd6 37. Rxd6 Rxe3 38. a4 Re7 39. Rb6 Kf7 40. g4 Ke8 41. h4 Kd8 42. g5 Re4 43. Kg3 Kc7 44. a5 Kc8 45. h5 Re7 46. Kf4 Kd8 47. Kf5 Ke8 48. Re6 1-0

[Event "Helsingor Kronborg GM"]
[Site "Helsingor"]
[Date "2025.05.29"]
[Round "3"]
[White "Pajeken, Jakob Leon"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2440"]
[BlackElo "2528"]
[PlyCount "71"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "8"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nge2 c6 5. a4 Be7 6. g3 exd4 7. Qxd4 d5 8. exd5 cxd5 9. Bg2 Nc6 10. Qd1 d4 11. Nb5 Bc5 12. 0-0 0-0 13. c3 d3 14. Nf4 Bf5 15. Be3 Bxe3 16. fxe3 Qb6 17. Nd4 Nxd4 18. exd4 Qa6 19. Qb3 Be4 20. Rad1 Bxg2 21. Kxg2 Ng4 22. Rxd3 Rae8 23. c4 g5 24. h3 gxf4 25. hxg4 Re2+ 26. Rf2 Rxf2+ 27. Kxf2 fxg3+ 28. Kxg3 Qd6+ 29. Kg2 Re8 30. Re3 Rxe3 31. Qxe3 Qc6+ 32. Kg3 Qxc4 33. Qg5+ Kf8 34. Qd8+ Kg7 35. Qg5+ Kf8 36. Qd8+ 1/2-1/2

[Event "Helsingor Kronborg GM"]
[Site "Helsingor"]
[Date "2025.05.29"]
[Round "3"]
[White "Pajeken, Jakob Leon"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2440"]
[BlackElo "2528"]
[PlyCount "71"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "8"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nge2 c6 5. a4 Be7 6. g3 exd4 7. Qxd4 d5 8. exd5 cxd5 9. Bg2 Nc6 10. Qd1 d4 11. Nb5 Bc5 12. 0-0 0-0 13. c3 d3 14. Nf4 Bf5 15. Be3 Bxe3 16. fxe3 Qb6 17. Nd4 Nxd4 18. exd4 Qa6 19. Qb3 Be4 20. Rad1 Bxg2 21. Kxg2 Ng4 22. Rxd3 Rae8 23. c4 g5 24. h3 gxf4 25. hxg4 Re2+ 26. Rf2 Rxf2+ 27. Kxf2 fxg3+ 28. Kxg3 Qd6+ 29. Kg2 Re8 30. Re3 Rxe3 31. Qxe3 Qc6+ 32. Kg3 Qxc4 33. Qg5+ Kf8 34. Qd8+ Kg7 35. Qg5+ Kf8 36. Qd8+ 1/2-1/2

[Event "Helsingor Kronborg GM"]
[Site "Helsingor"]
[Date "2025.05.29"]
[Round "4"]
[White "Stefansson, Vignir Vatnar"]
[Black "Akesson, Ralf"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2528"]
[BlackElo "2353"]
[PlyCount "95"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "8"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Nd2 0-0 6. Ngf3 Nbd7 7. 0-0 c6 8. Qc2 b6 9. a3 Be7 10. e4 Bb7 11. e5 Ne8 12. cxd5 cxd5 13. Re1 Rc8 14. Qd1 Qc7 15. Nb1 a5 16. Bf1 Nb8 17. Nc3 Ba6 18. Bxa6 Nxa6 19. h4 Qd7 20. Qd3 Nac7 21. Ng5 g6 22. Kg2 Ng7 23. h5 Qd8 24. Nxh7 Kxh7 25. hxg6+ Kg8 26. Rh1 Nf5 27. Bh6 fxg6 28. Bxf8 Bxf8 29. Ne2 Bg7 30. Rac1 Qd7 31. g4 Ne7 32. Nf4 Qe8 33. Qh3 Kf7 34. Rc3 Nb5 35. Rd3 Qg8 36. Qe3 Na7 37. Qe2 Ke8 38. Rdd1 Nac6 39. Qb5 Kf7 40. Rh3 g5 41. Nh5 Ng6 42. Rf3+ Ke7 43. Rc3 Nh4+ 44. Kf1 Nxd4 45. Qxb6 Rxc3 46. Qb7+ Kf8 47. bxc3 Ndf3 48. Rxd5 1-0

[Event "Helsingor Kronborg GM"]
[Site "Helsingor"]
[Date "2025.05.29"]
[Round "4"]
[White "Stefansson, Vignir Vatnar"]
[Black "Akesson, Ralf"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2528"]
[BlackElo "2353"]
[PlyCount "95"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "8"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Nd2 0-0 6. Ngf3 Nbd7 7. 0-0 c6 8. Qc2 b6 9. a3 Be7 10. e4 Bb7 11. e5 Ne8 12. cxd5 cxd5 13. Re1 Rc8 14. Qd1 Qc7 15. Nb1 a5 16. Bf1 Nb8 17. Nc3 Ba6 18. Bxa6 Nxa6 19. h4 Qd7 20. Qd3 Nac7 21. Ng5 g6 22. Kg2 Ng7 23. h5 Qd8 24. Nxh7 Kxh7 25. hxg6+ Kg8 26. Rh1 Nf5 27. Bh6 fxg6 28. Bxf8 Bxf8 29. Ne2 Bg7 30. Rac1 Qd7 31. g4 Ne7 32. Nf4 Qe8 33. Qh3 Kf7 34. Rc3 Nb5 35. Rd3 Qg8 36. Qe3 Na7 37. Qe2 Ke8 38. Rdd1 Nac6 39. Qb5 Kf7 40. Rh3 g5 41. Nh5 Ng6 42. Rf3+ Ke7 43. Rc3 Nh4+ 44. Kf1 Nxd4 45. Qxb6 Rxc3 46. Qb7+ Kf8 47. bxc3 Ndf3 48. Rxd5 1-0

[Event "Helsingor Kronborg GM"]
[Site "Helsingor"]
[Date "2025.05.28"]
[Round "2"]
[White "Stefansson, Vignir Vatnar"]
[Black "Grieve, Harry"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2528"]
[BlackElo "2471"]
[PlyCount "81"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "8"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nc6 3. d4 Bf5 4. Bg2 Nb4 5. Na3 e6 6. Nh4 Bg4 7. c3 Nc6 8. Qb3 Rb8 9. e4 dxe4 10. Bxe4 Be7 11. Nc4 Bxh4 12. gxh4 Nge7 13. Rg1 Bf5 14. Bf3 0-0 15. h5 Kh8 16. h6 g6 17. Bg5 f6 18. Bd2 b5 19. Ne3 Qd6 20. 0-0-0 Rfe8 21. Rge1 Bd3 22. Ng4 Nd5 23. Nxf6 Nxf6 24. Bg5 Bc4 25. Bxf6+ Kg8 26. Qc2 Qf4+ 27. Re3 Qxf6 28. Bxc6 Rf8 29. Rg1 Kh8 30. b3 Bd5 31. Bxd5 exd5 32. Re2 b4 33. Rg3 a5 34. Kb1 a4 35. cxb4 Rxb4 36. Qxc7 Rxd4 37. Rf3 Rd1+ 38. Kc2 Rc1+ 39. Kxc1 Qa1+ 40. Kd2 Qxa2+ 41. Qc2 1-0

[Event "Helsingor Kronborg GM"]
[Site "Helsingor"]
[Date "2025.05.28"]
[Round "2"]
[White "Stefansson, Vignir Vatnar"]
[Black "Grieve, Harry"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2528"]
[BlackElo "2471"]
[PlyCount "81"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "8"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nc6 3. d4 Bf5 4. Bg2 Nb4 5. Na3 e6 6. Nh4 Bg4 7. c3 Nc6 8. Qb3 Rb8 9. e4 dxe4 10. Bxe4 Be7 11. Nc4 Bxh4 12. gxh4 Nge7 13. Rg1 Bf5 14. Bf3 0-0 15. h5 Kh8 16. h6 g6 17. Bg5 f6 18. Bd2 b5 19. Ne3 Qd6 20. 0-0-0 Rfe8 21. Rge1 Bd3 22. Ng4 Nd5 23. Nxf6 Nxf6 24. Bg5 Bc4 25. Bxf6+ Kg8 26. Qc2 Qf4+ 27. Re3 Qxf6 28. Bxc6 Rf8 29. Rg1 Kh8 30. b3 Bd5 31. Bxd5 exd5 32. Re2 b4 33. Rg3 a5 34. Kb1 a4 35. cxb4 Rxb4 36. Qxc7 Rxd4 37. Rf3 Rd1+ 38. Kc2 Rc1+ 39. Kxc1 Qa1+ 40. Kd2 Qxa2+ 41. Qc2 1-0

[Event "Helsingor Kronborg GM"]
[Site "Helsingor"]
[Date "2025.05.28"]
[Round "1"]
[White "Stefansson, Vignir Vatnar"]
[Black "Kistrup, Nicolai"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "2528"]
[BlackElo "2374"]
[PlyCount "62"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "8"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. 0-0 Bc5 10. f3 Ng5 11. f4 Ne4 12. Be3 Qb8 13. Qd3 Qxb2 14. Nd2 Nxd2 15. Qxd2 Qb4 16. Qf2 Bb6 17. f5 c5 18. Nb3 d4 19. Bd2 Qc4 20. Qf3 0-0 21. f6 Qe6 22. Bf4 Qg4 23. fxg7 Rfe8 24. Qf2 Bc6 25. h3 Qxg7 26. Kh2 c4 27. Nd2 d3 28. Qg3 c3 29. Nc4 Qxg3+ 30. Bxg3 d2 31. Bh4 Be4 0-1

[Event "Helsingor Kronborg GM"]
[Site "Helsingor"]
[Date "2025.05.28"]
[Round "1"]
[White "Stefansson, Vignir Vatnar"]
[Black "Kistrup, Nicolai"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "2528"]
[BlackElo "2374"]
[PlyCount "62"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "8"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. 0-0 Bc5 10. f3 Ng5 11. f4 Ne4 12. Be3 Qb8 13. Qd3 Qxb2 14. Nd2 Nxd2 15. Qxd2 Qb4 16. Qf2 Bb6 17. f5 c5 18. Nb3 d4 19. Bd2 Qc4 20. Qf3 0-0 21. f6 Qe6 22. Bf4 Qg4 23. fxg7 Rfe8 24. Qf2 Bc6 25. h3 Qxg7 26. Kh2 c4 27. Nd2 d3 28. Qg3 c3 29. Nc4 Qxg3+ 30. Bxg3 d2 31. Bh4 Be4 0-1

[Event "Stockholm Hotel N GM 3rd"]
[Site "Upplands Vasby"]
[Date "2025.05.07"]
[Round "9"]
[White "Stefansson, Vignir Vatnar"]
[Black "Talukdar, Rohan Shyam"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2528"]
[BlackElo "2362"]
[PlyCount "116"]
[EventDate "2025.05.03"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "7"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nd7 3. d4 Ngf6 4. c4 c6 5. Bg2 Nb6 6. c5 Nbd7 7. Nc3 b6 8. b4 e6 9. 0-0 a5 10. b5 Bb7 11. bxc6 Bxc6 12. cxb6 Qxb6 13. Rb1 Qa6 14. Ne5 Bb4 15. Nxc6 Qxc6 16. Na4 0-0 17. Bf4 Rfc8 18. Qb3 Qc2 19. Bf3 Qxb3 20. axb3 Rc2 21. Rfc1 Rac8 22. Rxc2 Rxc2 23. Rc1 Rxc1+ 24. Bxc1 Kf8 25. g4 Ne8 26. h4 Nd6 27. Bb2 g6 28. Nc3 h5 29. Na2 hxg4 30. Bxg4 Nf6 31. Bh3 Nfe4 32. f3 Nd2 33. Nc1 Kg7 34. Kf2 Kh6 35. Bg4 Nf5 36. Bxf5 exf5 37. Kg3 Kh5 38. Kh3 f6 39. Nd3 g5 40. hxg5 fxg5 41. Nc5 g4+ 42. Kg2 Kg5 43. Bc1 Kf4 44. fxg4 fxg4 45. Kf2 g3+ 46. Kg2 Ke3 47. Kxg3 Kxd4 48. Nd3 Ke3 49. Kg4 d4 50. Nf4 Ke4 51. Bxd2 Bxd2 52. Nd3 Ke3 53. Kf5 Bc3 54. Ne5 Kxe2 55. Ke4 Ba1 56. Nd3 Kd2 57. b4 axb4 58. Nxb4 Bc3 1/2-1/2

[Event "Stockholm Hotel N GM 3rd"]
[Site "Upplands Vasby"]
[Date "2025.05.06"]
[Round "8"]
[White "Sivuk, Vitaly"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2501"]
[BlackElo "2528"]
[PlyCount "28"]
[EventDate "2025.05.03"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "7"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Qxe2+ 8. Bxe2 Be7 9. Bg5 c6 10. 0-0-0 0-0 11. Ne4 Nbd7 12. Nxf6+ Bxf6 13. Bxf6 Nxf6 14. h3 Re8 1/2-1/2

[Event "Stockholm Hotel N GM 3rd"]
[Site "Upplands Vasby"]
[Date "2025.05.06"]
[Round "7"]
[White "Stefansson, Vignir Vatnar"]
[Black "Ouellet, Maili Jade"]
[Result "1-0"]
[ECO "E00"]
[WhiteElo "2528"]
[BlackElo "2305"]
[PlyCount "119"]
[EventDate "2025.05.03"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "7"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nd2 c5 5. a3 Bxd2+ 6. Qxd2 Nc6 7. dxc5 Ne4 8. Qe3 Qa5+ 9. Bd2 Nxd2 10. Qxd2 Qxc5 11. Rc1 Qd4 12. Nf3 Qxd2+ 13. Nxd2 b6 14. Bg2 Bb7 15. 0-0 Ke7 16. Rfd1 d6 17. f4 Rhd8 18. Kf2 Rac8 19. Rc3 Rc7 20. Rd3 Na5 21. Bxb7 Nxb7 22. e4 Na5 23. b3 a6 24. Nf3 b5 25. e5 d5 26. cxd5 Rxd5 27. Rxd5 exd5 28. Nd4 g6 29. Rd3 Rc1 30. g4 Ra1 31. f5 Ra2+ 32. Kg3 gxf5 33. gxf5 f6 34. e6 Rxa3 35. Kf4 Ra1 36. Rh3 Re1 37. Rxh7+ Ke8 38. b4 Re4+ 39. Kf3 Rxd4 40. bxa5 b4 41. Ra7 b3 42. Rb7 Rh4 43. Kg3 Rh5 44. Kg4 Rxh2 45. Rxb3 Rg2+ 46. Rg3 Ra2 47. Rb3 Rg2+ 48. Kf3 Ra2 49. Rb8+ Ke7 50. Rb7+ Ke8 51. Rf7 Rxa5 52. Rxf6 Ra1 53. Kf4 Re1 54. Rf7 d4 55. Rd7 a5 56. Rxd4 Rb1 57. Rd7 a4 58. Ra7 Kd8 59. f6 Rf1+ 60. Ke4 1-0

[Event "Stockholm Hotel N GM 3rd"]
[Site "Upplands Vasby"]
[Date "2025.05.05"]
[Round "6"]
[White "Galperin, Platon"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2494"]
[BlackElo "2528"]
[PlyCount "27"]
[EventDate "2025.05.03"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "7"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 d5 9. exd6 Nxd4 10. Qxd4 Qxd6 11. Qe4+ Qe6 12. Qd4 Qd6 13. Qe4+ Qe6 14. Qd4 1/2-1/2

[Event "Stockholm Hotel N GM 3rd"]
[Site "Upplands Vasby"]
[Date "2025.05.05"]
[Round "5"]
[White "Stefansson, Vignir Vatnar"]
[Black "Hirneise, Jens"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2528"]
[BlackElo "2328"]
[PlyCount "93"]
[EventDate "2025.05.03"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "7"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. d4 c6 7. Nc3 Bf5 8. Nh4 Be6 9. b3 d5 10. Qd3 Na6 11. Ba3 dxc4 12. bxc4 Qa5 13. Bxe7 Rfe8 14. Bxf6 Bxf6 15. Ne4 Be7 16. e3 f5 17. Nd2 Rad8 18. Nhf3 c5 19. d5 Bf6 20. Rab1 Qxa2 21. Rxb7 Nb4 22. Qb3 Qxb3 23. Nxb3 Nxd5 24. Nxc5 Nc3 25. Nxe6 Rxe6 26. Rxa7 Rc8 27. Nd4 Bxd4 28. exd4 Rxc4 29. d5 Re8 30. Rfa1 Ne4 31. Bxe4 Rcxe4 32. Kg2 R4e7 33. Kf3 Rxa7 34. Rxa7 Rd8 35. Ra5 Kg7 36. Kf4 Re8 37. Ra7+ Kf6 38. Ra6+ Kg7 39. f3 Re2 40. h4 Rd2 41. Ke5 Re2+ 42. Kd6 Re3 43. Kc7 f4 44. gxf4 Rxf3 45. d6 Rxf4 46. d7 Rf7 47. Kc8 1-0

[Event "Stockholm Hotel N GM 3rd"]
[Site "Upplands Vasby"]
[Date "2025.05.04"]
[Round "3"]
[White "Stefansson, Vignir Vatnar"]
[Black "Sivuk, Vitaly"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2528"]
[BlackElo "2501"]
[PlyCount "23"]
[EventDate "2025.05.03"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "7"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 d5 9. exd6 Nxd4 10. Qxd4 Qxd6 11. Qe4+ Qe6 12. Qd4 1/2-1/2

[Event "Stockholm Hotel N GM 3rd"]
[Site "Upplands Vasby"]
[Date "2025.05.04"]
[Round "4"]
[White "Talukdar, Rohan Shyam"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2362"]
[BlackElo "2528"]
[PlyCount "58"]
[EventDate "2025.05.03"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "7"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be6 6. e3 Nbd7 7. Bd3 c6 8. Bf4 Be7 9. h3 0-0 10. Nf3 Ne8 11. Qc2 h6 12. 0-0-0 b5 13. Kb1 a6 14. Rc1 c5 15. dxc5 Nxc5 16. Ne2 Rc8 17. Ned4 Nd6 18. Bxd6 Qxd6 19. Nf5 Bxf5 20. Bxf5 Rc7 21. Rhd1 g6 22. Bd3 Rfc8 23. Qd2 Bf6 24. Bc2 Qe7 25. Bb3 Nxb3 26. axb3 Qe4+ 27. Ka1 Rc2 28. Rxc2 Rxc2 29. Qxd5 Rc1+ 0-1

[Event "Stockholm Hotel N GM 3rd"]
[Site "Upplands Vasby"]
[Date "2025.05.03"]
[Round "2"]
[White "Ouellet, Maili Jade"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2305"]
[BlackElo "2528"]
[PlyCount "131"]
[EventDate "2025.05.03"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "7"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 Bg4 6. Be2 Bxf3 7. Bxf3 e5 8. d5 h5 9. h4 Nbd7 10. a3 a5 11. g3 Nc5 12. Be3 Nfd7 13. b3 Bh6 14. Bxh6 Rxh6 15. Rb1 a4 16. b4 Nb3 17. Bg2 Nd4 18. Ne2 Nxe2 19. Qxe2 Kf8 20. Bh3 Nf6 21. 0-0 Nh7 22. Qe3 Kg7 23. f4 exf4 24. Rxf4 g5 25. Rf2 Qe7 26. Rbf1 Rf8 27. Bf5 g4 28. c5 c6 29. cxd6 Rxd6 30. Qc3+ f6 31. Be6 Rxe6 32. dxe6 Qxe6 33. Qc5 Qe8 34. Qf5 Qg6 35. Rd2 Qxf5 36. exf5 Rf7 37. Rfd1 Nf8 38. Rd8 Rc7 39. Kf2 c5 40. b5 c4 41. b6 Rc6 42. Re1 c3 43. Ke3 Rxb6 44. Kd3 Kf7 45. Rde8 Rb5 46. R8e7+ Kg8 47. R1e3 Rxf5 48. Rxb7 Rd5+ 49. Kxc3 f5 50. Kc4 Rd6 51. Re5 Rf6 52. Kd5 f4 53. gxf4 Ng6 54. Re8+ Rf8 55. Rxf8+ Kxf8 56. f5 Nxh4 57. Ke6 Nf3 58. Rb8+ Kg7 59. f6+ Kh7 60. f7 Ng5+ 61. Kf6 Nxf7 62. Kxf7 g3 63. Rg8 h4 64. Rg4 Kh6 65. Rxh4+ Kg5 66. Rxa4 1-0

[Event "Stockholm Hotel N GM 3rd"]
[Site "Upplands Vasby"]
[Date "2025.05.03"]
[Round "1"]
[White "Stefansson, Vignir Vatnar"]
[Black "Galperin, Platon"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2528"]
[BlackElo "2494"]
[PlyCount "91"]
[EventDate "2025.05.03"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "7"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. d3 g6 4. e5 c5 5. c3 Bg4 6. d4 Nc6 7. Nbd2 cxd4 8. cxd4 e6 9. h3 Bxf3 10. Nxf3 Nge7 11. g4 Bg7 12. Bg2 h6 13. Bd2 g5 14. h4 h5 15. Bxg5 hxg4 16. Nh2 g3 17. fxg3 Qb6 18. Bxe7 Kxe7 19. Nf3 f6 20. 0-0 Raf8 21. Kh1 fxe5 22. dxe5 Nxe5 23. Qe2 Nxf3 24. Rxf3 Qxb2 25. Qxb2 Bxb2 26. Rb1 Bd4 27. Rxb7+ Kd6 28. Rd3 Bb6 29. Rg7 Rf2 30. Rg6 Ke7 31. Bh3 Re2 32. Bg4 Re1+ 33. Kg2 Rf8 34. Rd2 Rf7 35. h5 Rf6 36. Rxf6 Kxf6 37. Re2 Rxe2+ 38. Bxe2 e5 39. Ba6 e4 40. h6 Ke6 41. g4 Be3 42. h7 Bd4 43. Bb7 Bg7 44. g5 Ke5 45. Kf2 Kd4 46. Ke2 1/2-1/2

[Event "Stockholm Hotel N GM 2nd"]
[Site "Upplands Vasby"]
[Date "2025.05.02"]
[Round "10"]
[White "Sivuk, Vitaly"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2505"]
[BlackElo "2536"]
[PlyCount "27"]
[EventDate "2025.04.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "10"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 0-0 11. Bc4 Nd7 12. 0-0 b6 13. Rfe1 Bb7 14. a4 1/2-1/2

[Event "Stockholm Hotel N GM 2nd"]
[Site "Upplands Vasby"]
[Date "2025.05.02"]
[Round "9"]
[White "Stefansson, Vignir Vatnar"]
[Black "Willow, Jonah B"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "2536"]
[BlackElo "2471"]
[PlyCount "83"]
[EventDate "2025.04.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "10"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. Bf4 d5 7. cxd5 Nxd5 8. Nxc6 bxc6 9. Bd2 Bb4 10. a3 Nxc3 11. Qc2 Nxe2 12. Bxb4 Nd4 13. Qc3 Qd5 14. 0-0-0 c5 15. Bxc5 Qxc5 16. Rxd4 Qxc3+ 17. bxc3 Bd7 18. Ba6 Bc6 19. Rhd1 0-0 20. f3 Rab8 21. Rb4 Rbd8 22. Rxd8 Rxd8 23. Rc4 Be8 24. Rc7 Kf8 25. Rxa7 Rd5 26. Be2 Rg5 27. a4 f6 28. g4 Re5 29. Kd2 Rd5+ 30. Kc2 Bg6+ 31. Kb3 Rd2 32. Bc4 Rf2 33. a5 Rxf3 34. a6 Be4 35. Rc7 h5 36. Bxe6 hxg4 37. Bc8 Bd5+ 38. Kb4 Rf4+ 39. c4 Ke8 40. Bb7 Kd8 41. Bxd5 Kxc7 42. a7 1-0

[Event "Stockholm Hotel N GM 2nd"]
[Site "Upplands Vasby"]
[Date "2025.05.01"]
[Round "8"]
[White "Galperin, Platon"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2493"]
[BlackElo "2536"]
[PlyCount "105"]
[EventDate "2025.04.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "10"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Nbd2 0-0 6. Ne5 c5 7. c3 c4 8. h4 Nc6 9. h5 Qc7 10. h6 g6 11. Nxc6 Bxf4 12. Qf3 bxc6 13. Qxf4 Qxf4 14. exf4 Nd7 15. b3 cxb3 16. axb3 c5 17. dxc5 Nxc5 18. b4 Nb7 19. Bb5 Rd8 20. Bc6 Rd6 21. b5 Rb8 22. Rxa7 Nd8 23. Re7 f6 24. Re8+ Kf7 25. Rh8 Nxc6 26. Rxh7+ Kg8 27. Rg7+ Kh8 28. bxc6 Rxc6 29. 0-0 Rb7 30. Rxg6 Rf7 31. Rg3 Kh7 32. Rb1 Rfc7 33. Rb3 Kxh6 34. Ra3 Rc5 35. c4 Bb7 36. Rh3+ Kg6 37. Rag3+ Kf7 38. Rh7+ Kf8 39. Rh8+ Ke7 40. cxd5 Bxd5 41. Rh7+ Kd6 42. Rh6 Rc1+ 43. Kh2 f5 44. Rd3 R1c2 45. f3 Rg7 46. Rh5 Kc5 47. Rg5 Rb7 48. Nf1 Bc4 49. Rd1 Be2 50. Re1 Kd4 51. Kg1 Rbb2 52. Ng3 Bxf3 53. gxf3 1/2-1/2

[Event "Stockholm Hotel N GM 2nd"]
[Site "Upplands Vasby"]
[Date "2025.05.01"]
[Round "7"]
[White "Stefansson, Vignir Vatnar"]
[Black "Seo, Jung Min"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2536"]
[BlackElo "2479"]
[PlyCount "49"]
[EventDate "2025.04.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "10"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. d4 0-0 6. Nc3 Nbd7 7. 0-0 c6 8. Qd3 b6 9. e4 dxe4 10. Nxe4 Bb7 11. Nc3 Qc7 12. Re1 Rfe8 13. Bf4 Bd6 14. Ne5 Nh5 15. Bd2 Nxe5 16. dxe5 Bxe5 17. Qe2 Bxc3 18. Bxc3 Nf6 19. Bxf6 gxf6 20. Qh5 c5 21. Be4 f5 22. Qg5+ Kh8 23. Qf6+ Kg8 24. Qg5+ Kh8 25. Qf6+ 1/2-1/2

[Event "Stockholm Hotel N GM 3rd"]
[Site "Upplands Vasby"]
[Date "2025.04.30"]
[Round "10"]
[White "Hirneise, Jens"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2328"]
[BlackElo "2528"]
[PlyCount "28"]
[EventDate "2025.05.03"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "7"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Bc4 e6 5. Nf3 d6 6. d4 Nb6 7. Bb5+ Bd7 8. Bxd7+ N8xd7 9. 0-0 d5 10. a4 a6 11. a5 Nc8 12. c4 Ne7 13. Bg5 dxc4 14. Nbd2 Qc7 1/2-1/2

[Event "Stockholm Hotel N GM 2nd"]
[Site "Upplands Vasby"]
[Date "2025.04.30"]
[Round "6"]
[White "Stefansson, Vignir Vatnar"]
[Black "Kaasen, Tor Fredrik"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2536"]
[BlackElo "2472"]
[PlyCount "70"]
[EventDate "2025.04.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "10"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a3 e5 7. Nf5 d5 8. Bg5 d4 9. Bxf6 gxf6 10. Nb1 Qb6 11. Nd2 Be6 12. Bd3 Nd7 13. b4 0-0-0 14. 0-0 Kb8 15. Qe2 Rc8 16. Rfb1 h5 17. Rb2 h4 18. h3 Rc3 19. Kf1 Nc5 20. Nc4 Bxc4 21. Bxc4 Ne6 22. Bb3 Nf4 23. Qg4 Rh5 24. Qg8 Qb5+ 25. Kg1 Rc8 26. Qxf7 Rg5 27. Nxh4 Nxh3+ 28. Kh2 Nf4 29. Re1 Qb6 30. Qd7 Rd8 31. Qf7 d3 32. c4 Rg7 33. c5 Qc6 34. Qc4 Qd7 35. f3 Rh7 0-1

[Event "Stockholm Hotel N GM 2nd"]
[Site "Upplands Vasby"]
[Date "2025.04.30"]
[Round "5"]
[White "Stefansson, Vignir Vatnar"]
[Black "Sivuk, Vitaly"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2536"]
[BlackElo "2505"]
[PlyCount "17"]
[EventDate "2025.04.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "10"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. 0-0 g6 6. b3 Bg7 7. Bb2 0-0 8. Nc3 Na6 9. d4 1/2-1/2

[Event "Stockholm Hotel N GM 2nd"]
[Site "Upplands Vasby"]
[Date "2025.04.29"]
[Round "3"]
[White "Stefansson, Vignir Vatnar"]
[Black "Galperin, Platon"]
[Result "1/2-1/2"]
[ECO "A50"]
[WhiteElo "2536"]
[BlackElo "2493"]
[PlyCount "23"]
[EventDate "2025.04.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "10"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 g6 5. d4 Bg7 6. 0-0 0-0 7. d5 Na6 8. Nc3 Nc5 9. Qc2 a5 10. Rd1 Ne8 11. Bf4 d6 12. Nb5 1/2-1/2

[Event "Stockholm Hotel N GM 2nd"]
[Site "Upplands Vasby"]
[Date "2025.04.29"]
[Round "4"]
[White "Willow, Jonah B"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2471"]
[BlackElo "2536"]
[PlyCount "147"]
[EventDate "2025.04.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "10"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. g3 Nf6 4. d3 d5 5. exd5 Nxd5 6. Bg2 Bd6 7. 0-0 0-0 8. Nc3 Nxc3 9. bxc3 h6 10. Rb1 Rb8 11. Be3 Bg4 12. h3 Be6 13. Nd2 Qd7 14. Kh2 Bxa2 15. Ra1 Be6 16. Bxa7 Nxa7 17. Rxa7 c6 18. Qe2 Qc7 19. Ne4 Be7 20. Qe3 Ra8 21. Rb1 Rxa7 22. Qxa7 Bc8 23. Nc5 Bxc5 24. Qxc5 Rd8 25. Re1 f6 26. d4 Qd6 27. Qxd6 Rxd6 28. dxe5 fxe5 29. Rxe5 Kf7 30. Be4 Rd1 31. Ra5 Re1 32. Bd3 Be6 33. c4 g5 34. g4 Rb1 35. Ra8 Rb4 36. Kg3 Kg7 37. f3 Bf7 38. h4 Be6 39. Rb8 Bf7 40. h5 Bxc4 41. c3 Ra4 42. Rxb7+ Kg8 43. Bh7+ Kf8 44. Be4 Bd5 45. Rh7 Bxe4 46. fxe4 Rxe4 47. Rxh6 Re3+ 48. Kf2 Rxc3 49. Rf6+ Kg7 50. Rg6+ Kh7 51. Rxg5 c5 52. Re5 c4 53. Re3 Rb3 54. Kf3 Rb7 55. Rc3 Rb3 56. Re3 Rb7 57. Ke4 Kh6 58. Kd4 Kg5 59. Re4 Rc7 60. Kc3 Rc8 61. Rxc4 Rd8 62. Rd4 Rc8+ 63. Kd3 Re8 64. Re4 Rd8+ 65. Ke3 Rf8 66. Kd4 Rd8+ 67. Kc5 Rd7 68. Rd4 Re7 69. Kd5 Rd7+ 70. Ke4 Rf7 71. Ke5 Re7+ 72. Kd6 Re8 73. Kd7 Re1 74. Rd2 1/2-1/2

[Event "Stockholm Hotel N GM 2nd"]
[Site "Upplands Vasby"]
[Date "2025.04.28"]
[Round "1"]
[White "Kaasen, Tor Fredrik"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2472"]
[BlackElo "2536"]
[PlyCount "100"]
[EventDate "2025.04.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "10"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. c3 d6 6. a4 g6 7. a5 a6 8. 0-0 Bg7 9. b4 0-0 10. Nbd2 Kh7 11. Re1 d5 12. Ba2 Be6 13. Ba3 Re8 14. c4 dxe4 15. dxe4 Nh5 16. g3 Bg4 17. Kg2 Qc8 18. Qc1 Bxf3+ 19. Nxf3 Nf4+ 20. Kh1 Nd3 21. Qc3 Nxe1 22. Rxe1 Qe6 23. Qc2 Rad8 24. Kg1 Qg4 25. Qe2 Qd7 26. Bb1 Qe7 27. c5 Qf6 28. Ba2 Nd4 29. Nxd4 Rxd4 30. Bc4 Red8 31. Bc1 h5 32. f4 exf4 33. gxf4 Qh4 34. Bxf7 Qxe1+ 35. Qxe1 Rd1 36. Kf2 Rxe1 37. Kxe1 Bc3+ 38. Ke2 Bxb4 39. Be3 Kg7 40. Be6 Bxa5 41. f5 gxf5 42. exf5 Bc3 43. Bf4 c6 44. Bc7 Rd2+ 45. Ke3 Rb2 46. Kd3 Bf6 47. Bc8 Rb5 48. Bb6 Be7 49. Kc4 a5 50. Bxb7 Rb4+ 0-1

[Event "Stockholm Hotel N GM 2nd"]
[Site "Upplands Vasby"]
[Date "2025.04.28"]
[Round "2"]
[White "Seo, Jung Min"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2479"]
[BlackElo "2536"]
[PlyCount "26"]
[EventDate "2025.04.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SWE"]
[EventCategory "10"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Qb6 8. Na4 Qa5+ 9. Nc3 Qb6 10. Na4 Qa5+ 11. Nc3 Qb6 12. Na4 Qa5+ 13. Nc3 Qb6 1/2-1/2

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.15"]
[Round "9"]
[White "Pipiras, Filipa Fortuna"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "2195"]
[BlackElo "2536"]
[PlyCount "116"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. g3 Bg7 5. Bg2 Bf5 6. 0-0 0-0 7. b3 a5 8. Bb2 c6 9. Nc3 Ne4 10. Nh4 Nxc3 11. Bxc3 Bd7 12. Qd2 f5 13. Rad1 a4 14. b4 Na6 15. Rfe1 Nc7 16. d5 Bxc3 17. Qxc3 cxd5 18. cxd5 Nb5 19. Qe3 Qe8 20. Nf3 Qf7 21. Nd4 Nc7 22. Qd3 Nxd5 23. Nxf5 Bxf5 24. Qxd5 Be6 25. Qxe6 Qxe6 26. Bd5 Kf7 27. e4 Rac8 28. e5 Qxd5 29. Rxd5 Ke6 30. Rb5 Rc2 31. exd6+ Kxd6 32. f4 Kc6 33. Rbe5 Rd8 34. Rxe7 Rdd2 35. R1e6+ Kd5 36. Re5+ Kc4 37. Rc5+ Kxb4 38. Rxc2 Rxc2 39. Rxb7+ Ka3 40. Rxh7 Kxa2 41. g4 a3 42. f5 gxf5 43. gxf5 Kb3 44. f6 a2 45. Ra7 Rc1+ 46. Kg2 a1Q 47. Rxa1 Rxa1 48. f7 Ra8 49. Kg3 Kc4 50. Kg4 Rf8 51. h4 Kd5 52. Kf5 Rxf7+ 53. Kg6 Ke6 54. h5 Rf1 55. h6 Rg1+ 56. Kh7 Kf7 57. Kh8 Rg8+ 58. Kh7 Rg6 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.14"]
[Round "8"]
[White "Stefansson, Vignir Vatnar"]
[Black "Kracht, Raphael"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2536"]
[BlackElo "2196"]
[PlyCount "87"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nbd2 Nxe4 8. d5 Ne7 9. 0-0 Bxd2 10. Nxd2 Nxd2 11. Bxd2 d6 12. Re1 0-0 13. Rc1 Ng6 14. Bf1 Bd7 15. Qb3 c5 16. Qxb7 Qc8 17. Qb3 Rb8 18. Qg3 Rxb2 19. Bc3 Rxa2 20. Qxd6 c4 21. Ra1 Rxa1 22. Rxa1 Qb7 23. Bxc4 Bb5 24. Ba2 Rc8 25. Qb4 Qc7 26. Bb2 Qc5 27. Qd2 Qd6 28. Re1 Bd7 29. Re3 Kh8 30. g3 f6 31. Qe2 h6 32. h4 a5 33. Qh5 Ne5 34. Rxe5 fxe5 35. Bxe5 Be8 36. Qxe8+ Rxe8 37. Bxd6 Re2 38. Bc4 Re1+ 39. Kg2 a4 40. Ba3 Re4 41. Bb5 Kg8 42. d6 Kf7 43. d7 Rd4 44. Bc5 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.13"]
[Round "7"]
[White "Prraneeth, Vuppala"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2433"]
[BlackElo "2536"]
[PlyCount "87"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 Ke8 7. f4 Bb4 8. Bd3 Nbd7 9. Nf3 exf4 10. Bxf4 c6 11. 0-0 Nc5 12. Be5 Be6 13. a3 Nxd3 14. cxd3 Be7 15. h3 Nd7 16. Bg3 Nb6 17. d4 Rd8 18. Rfe1 f6 19. a4 Nc4 20. d5 Bf7 21. b3 Na5 22. e5 fxe5 23. Bxe5 cxd5 24. Bc7 Nxb3 25. Bxd8 Kxd8 26. Rab1 d4 27. Nb5 Bc5 28. Ng5 Bc4 29. Ne6+ Bxe6 30. Rxe6 Na5 31. Re5 b6 32. Rd5+ Ke7 33. Re1+ Kf6 34. Nxd4 Rf8 35. Kh2 Nc4 36. Rd7 Ne5 37. Rxa7 Re8 38. Rf1+ Kg6 39. Nf5 Bf8 40. Nh4+ Kh6 41. Nf5+ Kg6 42. a5 bxa5 43. Ra6+ Kg5 44. Nd4 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.13"]
[Round "6"]
[White "Stefansson, Vignir Vatnar"]
[Black "Dushyant, Sharma"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2536"]
[BlackElo "2313"]
[PlyCount "55"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. Nc3 dxc4 7. Ne5 c5 8. dxc5 Qxd1+ 9. Nxd1 Bxc5 10. Ne3 c3 11. bxc3 Bxe3 12. Bxe3 Nd5 13. Bc5 Re8 14. c4 Nb6 15. a4 N8d7 16. Nxd7 Bxd7 17. a5 Nxc4 18. Bxb7 Rab8 19. a6 Bc8 20. Bc6 Rd8 21. Bxa7 Rb2 22. 0-0 Ne5 23. Bd4 Rxd4 24. a7 Nxc6 25. a8Q Ne7 26. Ra7 Kf8 27. Rc1 Rd8 28. Rxe7 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.12"]
[Round "5"]
[White "Vroombout, Enrico"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[ECO "B69"]
[WhiteElo "2161"]
[BlackElo "2536"]
[PlyCount "78"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6 gxf6 12. f5 Qb6 13. g3 0-0-0 14. Bh3 Kb8 15. fxe6 fxe6 16. Ne2 Qc5 17. Nf4 Qc4 18. b3 Qxe4 19. Rde1 Qb4 20. Qxb4 Nxb4 21. a3 e5 22. Bxd7 Rxd7 23. axb4 exf4 24. Nd4 Rc8 25. Nf5 Bf8 26. Rhf1 fxg3 27. hxg3 d5 28. Rf4 Kb7 29. Re6 Rc6 30. Rxc6 Kxc6 31. c3 Rf7 32. Kc2 Bd6 33. Rg4 Be5 34. Rg8 Kb7 35. Rd8 Rc7 36. Rxd5 Rxc3+ 37. Kd2 Rxb3 38. Rd7+ Kc6 39. Ra7 Kb6 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.11"]
[Round "4"]
[White "Stefansson, Vignir Vatnar"]
[Black "Bekker, Stefan"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2536"]
[BlackElo "2358"]
[PlyCount "138"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Bd3 Be7 7. 0-0 0-0 8. c4 Qd8 9. dxc5 Na6 10. c6 Nb4 11. cxb7 Bxb7 12. Be2 Qc7 13. h3 Rfd8 14. Qb3 Be4 15. Ne1 Rab8 16. Qe3 Bxb1 17. Rxb1 Nxa2 18. Nc2 Bd6 19. Qf3 Nxc1 20. Rfxc1 a5 21. Rd1 Bc5 22. b3 Qe5 23. Bd3 h5 24. Re1 Qg5 25. Ra1 Bxf2+ 26. Kxf2 Qd2+ 27. Re2 Qxd3 28. Ra3 Qd6 29. Qe3 h4 30. Qe5 Qd3 31. Ne1 Qb1 32. Qe3 Rd1 33. Rxa5 Rxb3 34. Qf4 Rb8 35. Rg5 Kf8 36. Qe5 Rc8 37. Qf4 Qc1 38. Qxh4 Rxc4 39. Qh8+ Ke7 40. Rge5 Qf4+ 41. Kg1 Ne4 42. Qxg7 Rxe1+ 43. Rxe1 Qf2+ 44. Kh2 Qxe1 45. Qg4 Qe3 46. h4 f5 47. Rxe6+ Kxe6 48. Qg8+ Ke5 49. Qxc4 Qg3+ 50. Kg1 Qe1+ 51. Kh2 Qxh4+ 52. Kg1 Qf2+ 53. Kh2 Qg3+ 54. Kg1 Qe3+ 55. Kh2 Qh6+ 56. Kg1 Qb6+ 57. Kh2 Qd6 58. Qf7 Nf6 59. Kh3 Qd3+ 60. g3 Qd7 61. Qa2 Qd5 62. Qb1 Ke6 63. Qe1+ Kf7 64. Qa1 Kg6 65. Qc1 Qf3 66. Qb1 Ne4 67. Qg1 Ng5+ 68. Kh2 Qe2+ 69. Kh1 Qe4+ 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.10"]
[Round "3"]
[White "Li, Guohao"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2356"]
[BlackElo "2536"]
[PlyCount "80"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 a6 5. cxd5 exd5 6. Bf4 Bd6 7. Be5 Be6 8. e3 Bxe5 9. dxe5 Nfd7 10. Be2 Nc6 11. Nxd5 Ndxe5 12. Nc3 0-0 13. 0-0 Qf6 14. Qa4 Nd7 15. Rfd1 Nb6 16. Qc2 Bf5 17. Qb3 Be6 18. Qc2 Bf5 19. Qb3 Rad8 20. Rxd8 Rxd8 21. Rd1 h6 22. h3 Qe7 23. Rd2 Rxd2 24. Nxd2 Qd7 25. Nde4 Qe7 26. Nd2 Be6 27. Qc2 Nb4 28. Qe4 c6 29. a3 N4d5 30. Nxd5 Nxd5 31. Qd4 Qf6 32. Qxf6 Nxf6 33. e4 g5 34. f3 Kf8 35. Kf2 Ke7 36. g4 h5 37. e5 Nd7 38. Ne4 hxg4 39. fxg4 Nxe5 40. Nxg5 Bd5 1/2-1/2

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.10"]
[Round "2"]
[White "Stefansson, Vignir Vatnar"]
[Black "Nayak, Rajesh"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2536"]
[BlackElo "2277"]
[PlyCount "89"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Nbd7 6. 0-0 c6 7. a4 b6 8. Nc3 Nd5 9. e4 Nxc3 10. bxc3 Be7 11. e5 Ba6 12. h4 Rc8 13. Ng5 h6 14. Ne4 c5 15. Qg4 Kf8 16. Be3 cxd4 17. Bxd4 Nc5 18. Bxc5 Bxc5 19. Rfd1 Qe7 20. Rd2 Rd8 21. Rxd8+ Qxd8 22. Rd1 Qe7 23. Nxc5 bxc5 24. Qe4 Qc7 25. Rd6 Bc8 26. Rc6 Qd8 27. Qxc4 g5 28. Qxc5+ Kg7 29. Qd6 gxh4 30. Qxd8 Rxd8 31. gxh4 Rd1+ 32. Kh2 Bb7 33. Rc7 Bxg2 34. Kxg2 Rd5 35. Rxa7 Rxe5 36. Rc7 Re4 37. c4 Rxh4 38. a5 Kf6 39. a6 Rg4+ 40. Kh3 Rg1 41. a7 Ra1 42. c5 Ke5 43. Rd7 f5 44. c6 Kf4 45. Kg2 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.09"]
[Round "1"]
[White "Le Pen, Steven"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2125"]
[BlackElo "2536"]
[PlyCount "68"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 g6 6. 0-0 Bg7 7. Be3 Ne7 8. c4 0-0 9. Nc3 d5 10. cxd5 exd5 11. Rc1 Nd7 12. Nb3 Nf6 13. Bd4 dxe4 14. Nxe4 Nf5 15. Bc3 Re8 16. Qf3 Nxe4 17. Bxe4 Nh4 18. Qd3 Qxd3 19. Bxd3 Be6 20. Bxg7 Kxg7 21. f3 Rad8 22. Rfd1 Rd6 23. Be4 Rb6 24. Rc7 Rb8 25. Nc5 Bxa2 26. g3 Nf5 27. Bxf5 gxf5 28. Rdd7 Rxb2 29. Nxb7 Be6 30. Re7 Bd5 31. Nd6 Rd2 32. Nxf5+ Kf6 33. Ne3 Rb1+ 34. Nf1 Rdd1 0-1

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "10"]
[White "Brzezina, Piotr"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2301"]
[BlackElo "2536"]
[PlyCount "75"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB21_2025"]
[SourceDate "2025.05.21"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.21"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. f3 c5 4. d5 g6 5. c4 Bg7 6. Nc3 0-0 7. Bg5 h6 8. Be3 e6 9. Qd2 Kh7 10. Nge2 Re8 11. Ng3 exd5 12. cxd5 b6 13. Be2 Ba6 14. 0-0 Bxe2 15. Qxe2 Nbd7 16. Rae1 a6 17. a4 Qb8 18. f4 b5 19. axb5 axb5 20. Qxb5 Qxb5 21. Nxb5 Nxe4 22. Nxe4 Rxe4 23. Nxd6 Rxe3 24. Rxe3 Bd4 25. Rfe1 Nf6 26. Kf1 Bxe3 27. Rxe3 Nxd5 28. Re5 Nxf4 29. Re7 Nd3 30. Nxf7 Nxb2 31. Ne5+ Kg8 32. Nxg6 c4 33. Rc7 Ra2 34. g4 Nd3 35. h4 Rf2+ 36. Kg1 Rc2 37. h5 c3 38. g5 1-0

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "10"]
[White "Brzezina, Piotr"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2301"]
[BlackElo "2536"]
[PlyCount "75"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. f3 c5 4. d5 g6 5. c4 Bg7 6. Nc3 0-0 7. Bg5 h6 8. Be3 e6 9. Qd2 Kh7 10. Nge2 Re8 11. Ng3 exd5 12. cxd5 b6 13. Be2 Ba6 14. 0-0 Bxe2 15. Qxe2 Nbd7 16. Rae1 a6 17. a4 Qb8 18. f4 b5 19. axb5 axb5 20. Qxb5 Qxb5 21. Nxb5 Nxe4 22. Nxe4 Rxe4 23. Nxd6 Rxe3 24. Rxe3 Bd4 25. Rfe1 Nf6 26. Kf1 Bxe3 27. Rxe3 Nxd5 28. Re5 Nxf4 29. Re7 Nd3 30. Nxf7 Nxb2 31. Ne5+ Kg8 32. Nxg6 c4 33. Rc7 Ra2 34. g4 Nd3 35. h4 Rf2+ 36. Kg1 Rc2 37. h5 c3 38. g5 1-0

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "7"]
[White "Kazakouski, Valery"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2563"]
[BlackElo "2536"]
[PlyCount "176"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB21_2025"]
[SourceDate "2025.05.21"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.21"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 c6 7. a4 a5 8. Re1 h6 9. h3 g5 10. Ba2 g4 11. hxg4 Nxg4 12. dxe5 dxe5 13. Qd3 Rg8 14. Nd1 Bh4 15. Re2 Qf6 16. Nxh4 Qxh4 17. Qg3 Qh5 18. f3 Ngf6 19. Qf2 Nf8 20. Ne3 Ng6 21. Nf5 Bxf5 22. exf5 Qxf5 23. Bd2 Nf4 24. Bxf4 Qxf4 25. Rae1 Nd7 26. Re4 Qf5 27. f4 Rg4 28. fxe5 Qxf2+ 29. Kxf2 Rxe4 30. Rxe4 Ke7 31. Bc4 Rg8 32. b3 Rg5 33. e6 Nc5 34. Rh4 fxe6 35. Rxh6 Ne4+ 36. Ke3 Nf6 37. Kf3 Rf5+ 38. Ke2 Rg5 39. Kf3 Rg7 40. Rh1 Nd7 41. Kf2 Ne5 42. Be2 Rf7+ 43. Ke3 Rg7 44. Kf2 Kf6 45. Rh4 Ng6 46. Rc4 Ke5 47. g3 Rf7+ 48. Ke3 Ne7 49. Rc5+ Nd5+ 50. Kd2 Kd6 51. Rxa5 Rg7 52. c4 Nf6 53. c5+ Ke5 54. Ra8 Ne4+ 55. Kc2 Rxg3 56. Bc4 Rg2+ 57. Kc1 Nxc5 58. Rd8 Rg1+ 59. Kc2 Rg2+ 60. Kc3 Kf6 61. Kb4 Ne4 62. Rd7 b6 63. a5 bxa5+ 64. Kxa5 c5 65. Kb6 Ke5 66. Kc6 Rd2 67. Re7 Ng5 68. Kxc5 Kf6 69. Re8 Rf2 70. Rf8+ Nf7 71. b4 Ke7 72. Rc8 Rf5+ 73. Kb6 Nd6 74. Rc7+ Kd8 75. Rc6 Kd7 76. Rc7+ Kd8 77. Rc6 Kd7 78. b5 Rf4 79. Rc7+ Kd8 80. Bxe6 Ne4 81. Rd7+ Ke8 82. Rd4 Ke7 83. Bd5 Nf6 84. Rxf4 Nxd5+ 85. Kc6 Nxf4 86. b6 Ne6 87. b7 Nd8+ 88. Kc7 Nxb7 1/2-1/2

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "7"]
[White "Kazakouski, Valery"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2563"]
[BlackElo "2536"]
[PlyCount "176"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 c6 7. a4 a5 8. Re1 h6 9. h3 g5 10. Ba2 g4 11. hxg4 Nxg4 12. dxe5 dxe5 13. Qd3 Rg8 14. Nd1 Bh4 15. Re2 Qf6 16. Nxh4 Qxh4 17. Qg3 Qh5 18. f3 Ngf6 19. Qf2 Nf8 20. Ne3 Ng6 21. Nf5 Bxf5 22. exf5 Qxf5 23. Bd2 Nf4 24. Bxf4 Qxf4 25. Rae1 Nd7 26. Re4 Qf5 27. f4 Rg4 28. fxe5 Qxf2+ 29. Kxf2 Rxe4 30. Rxe4 Ke7 31. Bc4 Rg8 32. b3 Rg5 33. e6 Nc5 34. Rh4 fxe6 35. Rxh6 Ne4+ 36. Ke3 Nf6 37. Kf3 Rf5+ 38. Ke2 Rg5 39. Kf3 Rg7 40. Rh1 Nd7 41. Kf2 Ne5 42. Be2 Rf7+ 43. Ke3 Rg7 44. Kf2 Kf6 45. Rh4 Ng6 46. Rc4 Ke5 47. g3 Rf7+ 48. Ke3 Ne7 49. Rc5+ Nd5+ 50. Kd2 Kd6 51. Rxa5 Rg7 52. c4 Nf6 53. c5+ Ke5 54. Ra8 Ne4+ 55. Kc2 Rxg3 56. Bc4 Rg2+ 57. Kc1 Nxc5 58. Rd8 Rg1+ 59. Kc2 Rg2+ 60. Kc3 Kf6 61. Kb4 Ne4 62. Rd7 b6 63. a5 bxa5+ 64. Kxa5 c5 65. Kb6 Ke5 66. Kc6 Rd2 67. Re7 Ng5 68. Kxc5 Kf6 69. Re8 Rf2 70. Rf8+ Nf7 71. b4 Ke7 72. Rc8 Rf5+ 73. Kb6 Nd6 74. Rc7+ Kd8 75. Rc6 Kd7 76. Rc7+ Kd8 77. Rc6 Kd7 78. b5 Rf4 79. Rc7+ Kd8 80. Bxe6 Ne4 81. Rd7+ Ke8 82. Rd4 Ke7 83. Bd5 Nf6 84. Rxf4 Nxd5+ 85. Kc6 Nxf4 86. b6 Ne6 87. b7 Nd8+ 88. Kc7 Nxb7 1/2-1/2

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "2"]
[White "Mayans Calvo, Mariano"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2101"]
[BlackElo "2536"]
[PlyCount "62"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB21_2025"]
[SourceDate "2025.05.21"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.21"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 Nf6 3. Bc4 e5 4. Nf3 Be7 5. h3 0-0 6. d4 Nbd7 7. a4 exd4 8. Nxd4 Nc5 9. Qf3 c6 10. 0-0 Nfd7 11. Qg3 Ne5 12. Ba2 Bf6 13. Be3 Re8 14. Rad1 Qe7 15. Rfe1 Bd7 16. f4 Bh4 17. Qh2 Bxe1 18. Rxe1 Ng6 19. Bd2 Qf6 20. Nf3 Be6 21. Bxe6 fxe6 22. e5 dxe5 23. fxe5 Qe7 24. b4 Nd7 25. Ne4 Rad8 26. Nd6 Ndxe5 27. Nxe8 Nxf3+ 28. gxf3 Nh4 29. Qf2 Rxd2 30. Nf6+ Qxf6 31. Qg3 Nxf3+ 0-1

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "2"]
[White "Mayans Calvo, Mariano"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2101"]
[BlackElo "2536"]
[PlyCount "62"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 Nf6 3. Bc4 e5 4. Nf3 Be7 5. h3 0-0 6. d4 Nbd7 7. a4 exd4 8. Nxd4 Nc5 9. Qf3 c6 10. 0-0 Nfd7 11. Qg3 Ne5 12. Ba2 Bf6 13. Be3 Re8 14. Rad1 Qe7 15. Rfe1 Bd7 16. f4 Bh4 17. Qh2 Bxe1 18. Rxe1 Ng6 19. Bd2 Qf6 20. Nf3 Be6 21. Bxe6 fxe6 22. e5 dxe5 23. fxe5 Qe7 24. b4 Nd7 25. Ne4 Rad8 26. Nd6 Ndxe5 27. Nxe8 Nxf3+ 28. gxf3 Nh4 29. Qf2 Rxd2 30. Nf6+ Qxf6 31. Qg3 Nxf3+ 0-1

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "9"]
[White "Narayanan, Sunilduth Lyna"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2601"]
[BlackElo "2536"]
[PlyCount "87"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB21_2025"]
[SourceDate "2025.05.21"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.21"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Nf6 3. Nc3 Nbd7 4. e4 e5 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. h3 exd4 9. Nxd4 Re8 10. Re1 a6 11. a4 Ne5 12. b3 Bd7 13. Bb2 Nc6 14. Nxc6 Bxc6 15. Rb1 Nd7 16. Qd2 Nc5 17. Rbd1 b5 18. axb5 axb5 19. b4 Na6 20. Ba3 Nb8 21. Bb2 Na6 22. Ba3 Nb8 23. Nb1 Nd7 24. Qc1 Qf6 25. Rd3 Nb6 26. Nd2 Na4 27. c4 Qe7 28. Nb3 Nb6 29. Na5 bxc4 30. Nxc6 Qd7 31. Rde3 Qxc6 32. e5 d5 33. Bb2 Qb5 34. e6 Rxe6 35. Rxe6 fxe6 36. Bxg7 Kxg7 37. Rxe6 Qxb4 38. Qf4 Rf8 39. Qxc7+ Rf7 40. Qxb6 Qxb6 41. Rxb6 Rc7 42. Bxd5 c3 43. Rb1 c2 44. Rc1 1-0

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "9"]
[White "Narayanan, Sunilduth Lyna"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2601"]
[BlackElo "2536"]
[PlyCount "87"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Nf6 3. Nc3 Nbd7 4. e4 e5 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. h3 exd4 9. Nxd4 Re8 10. Re1 a6 11. a4 Ne5 12. b3 Bd7 13. Bb2 Nc6 14. Nxc6 Bxc6 15. Rb1 Nd7 16. Qd2 Nc5 17. Rbd1 b5 18. axb5 axb5 19. b4 Na6 20. Ba3 Nb8 21. Bb2 Na6 22. Ba3 Nb8 23. Nb1 Nd7 24. Qc1 Qf6 25. Rd3 Nb6 26. Nd2 Na4 27. c4 Qe7 28. Nb3 Nb6 29. Na5 bxc4 30. Nxc6 Qd7 31. Rde3 Qxc6 32. e5 d5 33. Bb2 Qb5 34. e6 Rxe6 35. Rxe6 fxe6 36. Bxg7 Kxg7 37. Rxe6 Qxb4 38. Qf4 Rf8 39. Qxc7+ Rf7 40. Qxb6 Qxb6 41. Rxb6 Rc7 42. Bxd5 c3 43. Rb1 c2 44. Rc1 1-0

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "4"]
[White "Pribelszky, Bence Daniel"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2400"]
[BlackElo "2536"]
[PlyCount "100"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB21_2025"]
[SourceDate "2025.05.21"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.21"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 c6 7. a4 a5 8. Re1 h6 9. h3 g5 10. dxe5 dxe5 11. Nh2 Nc5 12. Qf3 Ne6 13. Be3 Nf4 14. Rad1 Qc7 15. g4 h5 16. Bxf4 hxg4 17. Bxe5 Qxe5 18. Nxg4 Bxg4 19. hxg4 Bc5 20. Nd5 Nxg4 21. Ne3 Qh2+ 22. Kf1 Ne5 23. Qf5 Qf4 24. Bxf7+ Nxf7 25. Qxc5 Rh2 26. Nd5 Qe5 27. Qc3 Qxc3 28. Nxc3 Ke7 29. e5 Rf8 30. Ne4 Nxe5 31. Kg1 Nf3+ 32. Kf1 Rh1+ 33. Ke2 Rxe1+ 34. Rxe1 Nxe1 35. Kxe1 Rf5 36. Kd2 Ke6 37. Kd3 Rd5+ 38. Ke3 Kf5 39. Ng3+ Kg4 40. Ne4 Re5 41. Kd4 Kf4 42. Nc5 Rd5+ 43. Kc4 Rd2 44. Nxb7 Rxc2+ 45. Kb3 Rxf2 46. Nxa5 g4 47. Nxc6 g3 48. a5 g2 49. a6 g1Q 50. a7 Qg8+ 0-1

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "4"]
[White "Pribelszky, Bence Daniel"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2400"]
[BlackElo "2536"]
[PlyCount "100"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 c6 7. a4 a5 8. Re1 h6 9. h3 g5 10. dxe5 dxe5 11. Nh2 Nc5 12. Qf3 Ne6 13. Be3 Nf4 14. Rad1 Qc7 15. g4 h5 16. Bxf4 hxg4 17. Bxe5 Qxe5 18. Nxg4 Bxg4 19. hxg4 Bc5 20. Nd5 Nxg4 21. Ne3 Qh2+ 22. Kf1 Ne5 23. Qf5 Qf4 24. Bxf7+ Nxf7 25. Qxc5 Rh2 26. Nd5 Qe5 27. Qc3 Qxc3 28. Nxc3 Ke7 29. e5 Rf8 30. Ne4 Nxe5 31. Kg1 Nf3+ 32. Kf1 Rh1+ 33. Ke2 Rxe1+ 34. Rxe1 Nxe1 35. Kxe1 Rf5 36. Kd2 Ke6 37. Kd3 Rd5+ 38. Ke3 Kf5 39. Ng3+ Kg4 40. Ne4 Re5 41. Kd4 Kf4 42. Nc5 Rd5+ 43. Kc4 Rd2 44. Nxb7 Rxc2+ 45. Kb3 Rxf2 46. Nxa5 g4 47. Nxc6 g3 48. a5 g2 49. a6 g1Q 50. a7 Qg8+ 0-1

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "3"]
[White "Stefansson, Vignir Vatnar"]
[Black "Akkara, Omer"]
[Result "1-0"]
[ECO "B39"]
[WhiteElo "2536"]
[BlackElo "2132"]
[PlyCount "65"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Rc1 Qa5 11. Qd2 b6 12. g3 Bb7 13. Bg2 Rc8 14. b3 Nc5 15. Bd4 0-0 16. Bxg7 Kxg7 17. 0-0 d6 18. Rfd1 Rfe8 19. Qb2 Ne6 20. Nd5+ Kg8 21. Bh3 b5 22. e5 bxc4 23. exd6 Bxd5 24. d7 Rcd8 25. dxe8Q+ Rxe8 26. Qe5 cxb3 27. Qxd5 Qxd5 28. Rxd5 b2 29. Rb1 Rc8 30. Rxb2 Rc1+ 31. Bf1 Ng7 32. Rd8+ Ne8 33. Rxe8+ 1-0

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "3"]
[White "Stefansson, Vignir Vatnar"]
[Black "Akkara, Omer"]
[Result "1-0"]
[ECO "B39"]
[WhiteElo "2536"]
[BlackElo "2132"]
[PlyCount "65"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB21_2025"]
[SourceDate "2025.05.21"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Rc1 Qa5 11. Qd2 b6 12. g3 Bb7 13. Bg2 Rc8 14. b3 Nc5 15. Bd4 0-0 16. Bxg7 Kxg7 17. 0-0 d6 18. Rfd1 Rfe8 19. Qb2 Ne6 20. Nd5+ Kg8 21. Bh3 b5 22. e5 bxc4 23. exd6 Bxd5 24. d7 Rcd8 25. dxe8Q+ Rxe8 26. Qe5 cxb3 27. Qxd5 Qxd5 28. Rxd5 b2 29. Rb1 Rc8 30. Rxb2 Rc1+ 31. Bf1 Ng7 32. Rd8+ Ne8 33. Rxe8+ 1-0

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "1"]
[White "Stefansson, Vignir Vatnar"]
[Black "Krzywda, Andrzej"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2536"]
[BlackElo "2170"]
[PlyCount "132"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB21_2025"]
[SourceDate "2025.05.21"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.21"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 e5 4. Ng3 Be6 5. Nf3 f6 6. c3 c5 7. Bb5+ Nd7 8. d3 a6 9. Ba4 b5 10. Bb3 c4 11. dxc4 bxc4 12. Ba4 dxc3 13. bxc3 Bc5 14. Rb1 Ne7 15. Nh5 0-0 16. Rb7 Nb6 17. Qxd8 Rfxd8 18. Be3 Nxa4 19. Bxc5 Nxc5 20. Rxe7 Nd3+ 21. Kf1 Bf7 22. g4 Bxh5 23. gxh5 Nf4 24. h6 g6 25. h4 Rab8 26. Rg7+ Kh8 27. Kg1 Rb2 28. Nd4 exd4 29. cxd4 Rxd4 30. Rc7 Rd8 31. Kh2 Rxf2+ 32. Kg3 Nd3 33. Rb1 Rb2 34. Rf1 Rxa2 35. Rxf6 Ra3 36. Kg2 Ne5 37. Rf2 c3 38. Rc2 Rb3 39. Kg3 a5 40. Kf4 Nd3+ 41. Ke3 Nb4 42. R2xc3 Rxc3+ 43. Rxc3 Ra8 44. Kd4 Kg8 45. Kc4 Kf7 46. Kb5 Ke6 47. Rc7 Nd3 48. Rxh7 a4 49. Rg7 a3 50. h7 a2 51. Rg8 a1Q 52. h8Q Qxh8 53. Rxg6+ Kf7 54. Rg7+ Kxg7 55. Kc4 Rb8 56. Kxd3 Qd8+ 57. Ke3 Rb6 58. Kf3 Re6 59. Kf2 Qf6+ 60. Ke3 Qe5 61. Kd3 Qxe4+ 62. Kd2 Rd6+ 63. Kc3 Qc6+ 64. Kb4 Rd7 65. Kb3 Rb7+ 66. Ka3 Qa6# 0-1

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "1"]
[White "Stefansson, Vignir Vatnar"]
[Black "Krzywda, Andrzej"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2536"]
[BlackElo "2170"]
[PlyCount "132"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 e5 4. Ng3 Be6 5. Nf3 f6 6. c3 c5 7. Bb5+ Nd7 8. d3 a6 9. Ba4 b5 10. Bb3 c4 11. dxc4 bxc4 12. Ba4 dxc3 13. bxc3 Bc5 14. Rb1 Ne7 15. Nh5 0-0 16. Rb7 Nb6 17. Qxd8 Rfxd8 18. Be3 Nxa4 19. Bxc5 Nxc5 20. Rxe7 Nd3+ 21. Kf1 Bf7 22. g4 Bxh5 23. gxh5 Nf4 24. h6 g6 25. h4 Rab8 26. Rg7+ Kh8 27. Kg1 Rb2 28. Nd4 exd4 29. cxd4 Rxd4 30. Rc7 Rd8 31. Kh2 Rxf2+ 32. Kg3 Nd3 33. Rb1 Rb2 34. Rf1 Rxa2 35. Rxf6 Ra3 36. Kg2 Ne5 37. Rf2 c3 38. Rc2 Rb3 39. Kg3 a5 40. Kf4 Nd3+ 41. Ke3 Nb4 42. R2xc3 Rxc3+ 43. Rxc3 Ra8 44. Kd4 Kg8 45. Kc4 Kf7 46. Kb5 Ke6 47. Rc7 Nd3 48. Rxh7 a4 49. Rg7 a3 50. h7 a2 51. Rg8 a1Q 52. h8Q Qxh8 53. Rxg6+ Kf7 54. Rg7+ Kxg7 55. Kc4 Rb8 56. Kxd3 Qd8+ 57. Ke3 Rb6 58. Kf3 Re6 59. Kf2 Qf6+ 60. Ke3 Qe5 61. Kd3 Qxe4+ 62. Kd2 Rd6+ 63. Kc3 Qc6+ 64. Kb4 Rd7 65. Kb3 Rb7+ 66. Ka3 Qa6# 0-1

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "11"]
[White "Stefansson, Vignir Vatnar"]
[Black "Nalbandyan, Vahan"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2536"]
[BlackElo "2155"]
[PlyCount "113"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB21_2025"]
[SourceDate "2025.05.21"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.21"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 c5 3. d3 d5 4. g3 Nc6 5. Bg2 d4 6. 0-0 Be6 7. e3 dxe3 8. Bxe3 Nd4 9. Na3 Bd5 10. c3 Nxf3+ 11. Bxf3 e6 12. Qa4+ Qd7 13. Nb5 Rc8 14. c4 Bxf3 15. Rxf3 a6 16. Nc3 Be7 17. b3 0-0 18. Qxd7 Nxd7 19. d4 Bf6 20. Rd1 Rfd8 21. Ne4 Bxd4 22. Bxd4 cxd4 23. Rxd4 Nf6 24. Nxf6+ gxf6 25. Rfd3 Rxd4 26. Rxd4 Rc7 27. Rd8+ Kg7 28. Kf2 f5 29. Ke3 Kf6 30. Kd4 Ke7 31. Rh8 Rd7+ 32. Kc3 Rd1 33. a4 Rc1+ 34. Kd2 Rb1 35. Kc2 Rf1 36. Rb8 Rf2+ 37. Kc3 Rxh2 38. Rxb7+ Kd6 39. Rb6+ Kc7 40. Rxa6 Rh3 41. Ra7+ Kd6 42. Rxf7 Rxg3+ 43. Kb4 h5 44. a5 Rg1 45. Kb5 h4 46. c5+ Kd5 47. c6 Rc1 48. Rd7+ Ke4 49. a6 h3 50. Rh7 Kxf4 51. a7 Ra1 52. Kb6 e5 53. Rxh3 e4 54. Rc3 e3 55. Rc2 Ke4 56. c7 f4 57. c8Q 1-0

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "11"]
[White "Stefansson, Vignir Vatnar"]
[Black "Nalbandyan, Vahan"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2536"]
[BlackElo "2155"]
[PlyCount "113"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 c5 3. d3 d5 4. g3 Nc6 5. Bg2 d4 6. 0-0 Be6 7. e3 dxe3 8. Bxe3 Nd4 9. Na3 Bd5 10. c3 Nxf3+ 11. Bxf3 e6 12. Qa4+ Qd7 13. Nb5 Rc8 14. c4 Bxf3 15. Rxf3 a6 16. Nc3 Be7 17. b3 0-0 18. Qxd7 Nxd7 19. d4 Bf6 20. Rd1 Rfd8 21. Ne4 Bxd4 22. Bxd4 cxd4 23. Rxd4 Nf6 24. Nxf6+ gxf6 25. Rfd3 Rxd4 26. Rxd4 Rc7 27. Rd8+ Kg7 28. Kf2 f5 29. Ke3 Kf6 30. Kd4 Ke7 31. Rh8 Rd7+ 32. Kc3 Rd1 33. a4 Rc1+ 34. Kd2 Rb1 35. Kc2 Rf1 36. Rb8 Rf2+ 37. Kc3 Rxh2 38. Rxb7+ Kd6 39. Rb6+ Kc7 40. Rxa6 Rh3 41. Ra7+ Kd6 42. Rxf7 Rxg3+ 43. Kb4 h5 44. a5 Rg1 45. Kb5 h4 46. c5+ Kd5 47. c6 Rc1 48. Rd7+ Ke4 49. a6 h3 50. Rh7 Kxf4 51. a7 Ra1 52. Kb6 e5 53. Rxh3 e4 54. Rc3 e3 55. Rc2 Ke4 56. c7 f4 57. c8Q 1-0

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "6"]
[White "Stefansson, Vignir Vatnar"]
[Black "Pichot, Alan"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "2536"]
[BlackElo "2587"]
[PlyCount "149"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB21_2025"]
[SourceDate "2025.05.21"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d3 h6 7. Nf3 Bd6 8. Nc3 0-0 9. Nd2 Bg4 10. f3 Bh5 11. Qe2 a6 12. a3 c6 13. Ba2 Rc8 14. Nde4 Nxd5 15. Nxd5 cxd5 16. Bxd5 Nc6 17. c3 Be7 18. Ba2 Kh8 19. Nf2 f5 20. Be3 Qd6 21. 0-0 Rce8 22. Rad1 Bf6 23. Qc2 Bf7 24. Bxf7 Rxf7 25. Rfe1 Rd7 26. b4 Red8 27. Qb3 Qc7 28. Qe6 f4 29. Bc1 Bh4 30. Qc4 b5 31. Qe4 Qb6 32. Re2 Rd5 33. Kf1 Bxf2 34. Rxf2 Ne7 35. Bxf4 exf4 36. Qxe7 Rxd3 37. Rxd3 Rxd3 38. Qe8+ Kh7 39. Qe4+ Qg6 40. Qxg6+ Kxg6 41. Rc2 Rd1+ 42. Ke2 Ra1 43. Kd3 Rxa3 44. Ke4 Kg5 45. Kd4 Kf5 46. Re2 g5 47. Re5+ Kf6 48. Rc5 Ra2 49. Rc6+ Kf5 50. g4+ fxg3 51. hxg3 h5 52. Rh6 Rd2+ 53. Ke3 Rc2 54. Kd3 Rg2 55. Rxh5 Rxg3 56. Ke2 Rg2+ 57. Ke3 Rc2 58. Kd3 Rf2 59. Ke3 Rb2 60. Rh6 Rc2 61. Kd4 Kf4 62. Rf6+ Kg3 63. Rxa6 Kxf3 64. Rf6+ Kg3 65. Rf5 g4 66. Rxb5 Kf4 67. Rb8 Rd2+ 68. Kc5 g3 69. Rf8+ Ke3 70. Rg8 g2 71. b5 Kd3 72. Rg3+ Ke4 73. b6 Kf4 74. Rg8 Rd5+ 75. Kxd5 1-0

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "6"]
[White "Stefansson, Vignir Vatnar"]
[Black "Pichot, Alan"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "2536"]
[BlackElo "2587"]
[PlyCount "149"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d3 h6 7. Nf3 Bd6 8. Nc3 0-0 9. Nd2 Bg4 10. f3 Bh5 11. Qe2 a6 12. a3 c6 13. Ba2 Rc8 14. Nde4 Nxd5 15. Nxd5 cxd5 16. Bxd5 Nc6 17. c3 Be7 18. Ba2 Kh8 19. Nf2 f5 20. Be3 Qd6 21. 0-0 Rce8 22. Rad1 Bf6 23. Qc2 Bf7 24. Bxf7 Rxf7 25. Rfe1 Rd7 26. b4 Red8 27. Qb3 Qc7 28. Qe6 f4 29. Bc1 Bh4 30. Qc4 b5 31. Qe4 Qb6 32. Re2 Rd5 33. Kf1 Bxf2 34. Rxf2 Ne7 35. Bxf4 exf4 36. Qxe7 Rxd3 37. Rxd3 Rxd3 38. Qe8+ Kh7 39. Qe4+ Qg6 40. Qxg6+ Kxg6 41. Rc2 Rd1+ 42. Ke2 Ra1 43. Kd3 Rxa3 44. Ke4 Kg5 45. Kd4 Kf5 46. Re2 g5 47. Re5+ Kf6 48. Rc5 Ra2 49. Rc6+ Kf5 50. g4+ fxg3 51. hxg3 h5 52. Rh6 Rd2+ 53. Ke3 Rc2 54. Kd3 Rg2 55. Rxh5 Rxg3 56. Ke2 Rg2+ 57. Ke3 Rc2 58. Kd3 Rf2 59. Ke3 Rb2 60. Rh6 Rc2 61. Kd4 Kf4 62. Rf6+ Kg3 63. Rxa6 Kxf3 64. Rf6+ Kg3 65. Rf5 g4 66. Rxb5 Kf4 67. Rb8 Rd2+ 68. Kc5 g3 69. Rf8+ Ke3 70. Rg8 g2 71. b5 Kd3 72. Rg3+ Ke4 73. b6 Kf4 74. Rg8 Rd5+ 75. Kxd5 1-0

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "5"]
[White "Stefansson, Vignir Vatnar"]
[Black "Rasulov, Vugar Ural Oglu"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "2536"]
[BlackElo "2505"]
[PlyCount "111"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Bf1 Nxd5 7. Bxb5 Bb7 8. d3 a6 9. Ba4 h6 10. Nf3 Qf6 11. Nc3 Nb6 12. Bb3 0-0-0 13. Ne4 Qe7 14. 0-0 f5 15. Nc3 e4 16. Ne1 Qh4 17. Be3 Kb8 18. Qe2 Bd6 19. g3 Qh3 20. dxe4 Ne5 21. Nd3 fxe4 22. Nxe5 Bxe5 23. Rad1 Nd7 24. Qc4 h5 25. Qe6 Qxe6 26. Bxe6 Nf6 27. Rxd8+ Rxd8 28. Rd1 Re8 29. Bc4 Ng4 30. Bd4 Bd6 31. Be2 e3 32. Bxg4 exf2+ 33. Kxf2 hxg4 34. Bxg7 Bf3 35. Re1 Bc5+ 36. Kf1 Bg2+ 37. Kxg2 Rxe1 38. h3 gxh3+ 39. Kxh3 Rh1+ 40. Kg4 Rc1 41. Ne4 Rxc2 42. Bc3 Bd6 43. Kf5 Rc1 44. g4 Rf1+ 45. Ke6 Bf8 46. g5 Rf4 47. Ke5 Rf3 48. Ke6 Rf4 49. Nf6 Kb7 50. g6 Rf1 51. Nh5 Rg1 52. g7 Bxg7 53. Nxg7 Kc6 54. Nf5 Kc5 55. Bd4+ Kc4 56. Bxg1 1-0

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "5"]
[White "Stefansson, Vignir Vatnar"]
[Black "Rasulov, Vugar Ural Oglu"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "2536"]
[BlackElo "2505"]
[PlyCount "111"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB21_2025"]
[SourceDate "2025.05.21"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Bf1 Nxd5 7. Bxb5 Bb7 8. d3 a6 9. Ba4 h6 10. Nf3 Qf6 11. Nc3 Nb6 12. Bb3 0-0-0 13. Ne4 Qe7 14. 0-0 f5 15. Nc3 e4 16. Ne1 Qh4 17. Be3 Kb8 18. Qe2 Bd6 19. g3 Qh3 20. dxe4 Ne5 21. Nd3 fxe4 22. Nxe5 Bxe5 23. Rad1 Nd7 24. Qc4 h5 25. Qe6 Qxe6 26. Bxe6 Nf6 27. Rxd8+ Rxd8 28. Rd1 Re8 29. Bc4 Ng4 30. Bd4 Bd6 31. Be2 e3 32. Bxg4 exf2+ 33. Kxf2 hxg4 34. Bxg7 Bf3 35. Re1 Bc5+ 36. Kf1 Bg2+ 37. Kxg2 Rxe1 38. h3 gxh3+ 39. Kxh3 Rh1+ 40. Kg4 Rc1 41. Ne4 Rxc2 42. Bc3 Bd6 43. Kf5 Rc1 44. g4 Rf1+ 45. Ke6 Bf8 46. g5 Rf4 47. Ke5 Rf3 48. Ke6 Rf4 49. Nf6 Kb7 50. g6 Rf1 51. Nh5 Rg1 52. g7 Bxg7 53. Nxg7 Kc6 54. Nf5 Kc5 55. Bd4+ Kc4 56. Bxg1 1-0

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "8"]
[White "Stefansson, Vignir Vatnar"]
[Black "Theodorou, Nikolas"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2536"]
[BlackElo "2611"]
[PlyCount "54"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. h3 Nf6 4. d4 Nc6 5. Nf3 Qd6 6. c4 Bf5 7. Nc3 Nb4 8. c5 Qe6+ 9. Be3 Nc2+ 10. Kd2 Nxa1 11. Qxa1 Ne4+ 12. Nxe4 Qxe4 13. Ke1 0-0-0 14. Nd2 Qc6 15. b4 e5 16. dxe5 Be7 17. Qc3 Rhe8 18. b5 Qd5 19. c6 b6 20. Rg1 Qxa2 21. g4 Be6 22. Bd3 Bb4 23. Qc2 Qxc2 24. Bxc2 Bc4 25. Kd1 Rxd2+ 26. Bxd2 Rd8 27. Bf5+ Be6 0-1

[Event "Titled Tuesday intern op 01st Apr Late"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "8"]
[White "Stefansson, Vignir Vatnar"]
[Black "Theodorou, Nikolas"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2536"]
[BlackElo "2611"]
[PlyCount "54"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB21_2025"]
[SourceDate "2025.05.21"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.21"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. h3 Nf6 4. d4 Nc6 5. Nf3 Qd6 6. c4 Bf5 7. Nc3 Nb4 8. c5 Qe6+ 9. Be3 Nc2+ 10. Kd2 Nxa1 11. Qxa1 Ne4+ 12. Nxe4 Qxe4 13. Ke1 0-0-0 14. Nd2 Qc6 15. b4 e5 16. dxe5 Be7 17. Qc3 Rhe8 18. b5 Qd5 19. c6 b6 20. Rg1 Qxa2 21. g4 Be6 22. Bd3 Bb4 23. Qc2 Qxc2 24. Bxc2 Bc4 25. Kd1 Rxd2+ 26. Bxd2 Rd8 27. Bf5+ Be6 0-1

[Event "EU-ch 25th"]
[Site "Eforie Nord"]
[Date "2025.03.26"]
[Round "11"]
[White "Willems, Niels"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[ECO "A27"]
[WhiteElo "2406"]
[BlackElo "2551"]
[PlyCount "84"]
[EventDate "2025.03.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Ng5 Bb4 6. Nh3 d6 7. e3 Bxc3+ 8. bxc3 Nf6 9. Nf4 Qd7 10. Ba3 b6 11. c5 dxc5 12. dxc5 g5 13. Ne2 Ba6 14. Qxd7+ Nxd7 15. f4 exf3 16. gxf3 Nde5 17. Kf2 0-0-0 18. Nd4 Bxf1 19. Rhxf1 Nxd4 20. cxd4 Nc4 21. Bb4 Rhe8 22. cxb6 axb6 23. Rfe1 Nb2 24. Reb1 Nd3+ 25. Ke2 Rxd4 26. Bc3 Rd6 27. Rd1 Nf4+ 28. Kf2 Nd5 29. Rac1 Kd7 30. Bd2 Ra8 31. e4 fxe4 32. fxe4 Nf6 33. e5 Ng4+ 34. Kg3 Nxe5 35. Bxg5 Ra3+ 36. Kh4 Nf3+ 37. Kh5 Nxg5 38. Rxd6+ Kxd6 39. Kxg5 Rxa2 40. h4 c5 41. h5 b5 42. Kh6 Ra7 0-1

[Event "EU-ch 25th"]
[Site "Eforie Nord"]
[Date "2025.03.25"]
[Round "10"]
[White "Stefansson, Vignir Vatnar"]
[Black "Smolik, Jachym"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2551"]
[BlackElo "2308"]
[PlyCount "81"]
[EventDate "2025.03.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. d3 dxe4 4. dxe4 Qxd1+ 5. Kxd1 Nf6 6. Nbd2 Nbd7 7. Ne1 Ng4 8. Nd3 Nde5 9. Nxe5 Nxe5 10. Nc4 Nxc4 11. Bxc4 e5 12. Be3 Bd6 13. a4 b6 14. Ke2 Ke7 15. Rhd1 Be6 16. Bxe6 Kxe6 17. a5 Bc5 18. Bxc5 bxc5 19. Ra3 Rhd8 20. c3 Rxd1 21. Kxd1 Rb8 22. Kc2 Rb5 23. b3 a6 24. Kd3 Kd6 25. Kc4 h6 26. h4 g6 27. Ra1 Ke7 28. g3 Ke6 29. b4 cxb4 30. cxb4 Kd6 31. Rd1+ Ke7 32. g4 f6 33. f3 h5 34. gxh5 gxh5 35. Rd2 Rb8 36. Kc5 Rb5+ 37. Kxc6 Rxb4 38. Rd7+ Ke6 39. Ra7 Rb3 40. Rxa6 Rxf3 41. Rb6 1-0

[Event "EU-ch 25th"]
[Site "Eforie Nord"]
[Date "2025.03.24"]
[Round "9"]
[White "Hnydiuk, Aleksander"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2328"]
[BlackElo "2551"]
[PlyCount "113"]
[EventDate "2025.03.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Nf6 3. c4 g6 4. g3 Bd7 5. Nc3 Bg7 6. Bg2 Qc8 7. 0-0 Bh3 8. Qb3 Bxg2 9. Kxg2 0-0 10. h3 a5 11. Be3 Re8 12. Rfd1 Nbd7 13. Rac1 c6 14. Qc2 Qc7 15. Qd2 Rad8 16. Bh6 e5 17. Bxg7 Kxg7 18. e4 exd4 19. Qxd4 Qb6 20. Qxb6 Nxb6 21. Nd2 Nfd7 22. b3 Nc5 23. Rc2 Nbd7 24. Nf1 Nb8 25. f3 Kf8 26. Rcd2 Ke7 27. Ne3 Nba6 28. Kf2 a4 29. bxa4 Rd7 30. h4 h5 31. g4 hxg4 32. Nxg4 Nc7 33. f4 Ra8 34. e5 dxe5 35. Nxe5 Rxd2+ 36. Rxd2 Ne8 37. Kf3 Nd6 38. Re2 Ne6 39. Rb2 Rh8 40. Kg4 Kf6 41. Ne2 Kg7 42. Rd2 Ne4 43. Rb2 N6c5 44. Ng3 Nf6+ 45. Kh3 Re8 46. Kg2 Ra8 47. Rb4 Rd8 48. Rb2 Rd4 49. Kf3 Ne8 50. Ke3 Rd8 51. Ne4 Nxe4 52. Kxe4 Nd6+ 53. Kf3 c5 54. Rb6 Kf8 55. a5 Kg7 56. a6 bxa6 57. Rxa6 1/2-1/2

[Event "EU-ch 25th"]
[Site "Eforie Nord"]
[Date "2025.03.23"]
[Round "8"]
[White "Stefansson, Vignir Vatnar"]
[Black "Pancevski, Filip"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2551"]
[BlackElo "2421"]
[PlyCount "106"]
[EventDate "2025.03.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. Bg2 d6 6. d4 e5 7. dxe5 Nfd7 8. Nc3 dxe5 9. Qd2 Nc6 10. 0-0-0 a5 11. h4 h6 12. h5 g5 13. Ne1 a4 14. Nxa4 Qe7 15. Qe3 Re8 16. Bxc6 bxc6 17. f4 Rxa4 18. bxa4 Nb6 19. Qa3 c5 20. Nd3 Nc4 21. Qxc5 Qxc5 22. Nxc5 Nxb2 23. Kxb2 exf4+ 24. Kb3 fxg3 25. Rd3 g2 26. Rg1 Bf8 27. Kc4 Rxe2 28. Rd8 Bf5 29. Nd7 Bxd7 30. Rxd7 Rxc2+ 31. Kb3 Re2 32. Rxc7 f5 33. Rc2 Re3+ 34. Rc3 Bc5 35. Rxg2 f4 36. Rxe3 Bxe3 37. Re2 g4 38. a5 f3 39. Rxe3 f2 40. Rg3 f1Q 41. Rxg4+ Kf7 42. Rc4 Qb1+ 43. Ka4 Ke6 44. a3 Qd3 45. Kb4 Kd5 46. Rc5+ Kd6 47. Rb5 Qb1+ 48. Ka4 Qc2+ 49. Kb4 Kc6 50. a4 Qb2+ 51. Kc4 Qa3 52. Rb6+ Kc7 53. Rb4 Qc1+ 0-1

[Event "EU-ch 25th"]
[Site "Eforie Nord"]
[Date "2025.03.22"]
[Round "7"]
[White "Vijayakumar, Rishi"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2311"]
[BlackElo "2551"]
[PlyCount "98"]
[EventDate "2025.03.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. g3 c5 4. dxc5 Qa5+ 5. c3 Qxc5 6. Bg2 g6 7. Be3 Qc7 8. 0-0 Bg7 9. a4 0-0 10. Na3 Nc6 11. h3 Bd7 12. Nd4 a6 13. Kh2 Rfd8 14. Qb3 Re8 15. Rfd1 Rac8 16. Rac1 Na5 17. Qb4 Qc5 18. Ndb5 Qh5 19. Qxa5 Ng4+ 20. Kg1 Nxe3 21. fxe3 axb5 22. Kh2 Be5 23. Rf1 Qxe2 24. Rc2 Qxe3 25. Rf3 Qe1 26. axb5 Bf5 27. Rcf2 Be4 28. Rxf7 Bxg2 29. Kxg2 Bf6 30. R7xf6 exf6 31. Nc2 Qd1 32. Qa2+ Kg7 33. Qa7 Qd5+ 34. Kh2 Qxb5 35. Nd4 Qd5 36. Qb6 Re1 37. Nf3 Rd1 38. Qe3 Rc7 39. h4 b5 40. g4 Rf7 41. h5 Rd3 42. h6+ Kf8 43. Qb6 Re7 44. Qd8+ Kf7 45. Kg3 Qe5+ 46. Kg2 Qf4 47. Qc8 Rxf3 48. Rxf3 Re2+ 49. Kg1 Qh2+ 0-1

[Event "EU-ch 25th"]
[Site "Eforie Nord"]
[Date "2025.03.20"]
[Round "6"]
[White "Stefansson, Vignir Vatnar"]
[Black "Pogorelskikh, Sofia"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2551"]
[BlackElo "2313"]
[PlyCount "57"]
[EventDate "2025.03.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 dxe4 3. Nxe4 Nf6 4. Nxf6+ exf6 5. d4 Bd6 6. Bd3 0-0 7. Be3 Nc6 8. Ne2 Nb4 9. Bc4 Bf5 10. Rc1 c6 11. 0-0 Qc7 12. Ng3 Bg6 13. f4 Rfe8 14. Bd2 Be4 15. Nxe4 Rxe4 16. c3 Nd5 17. Qf3 Rae8 18. g3 g6 19. Bd3 R4e7 20. c4 Bb4 21. Bxb4 Nxb4 22. Bb1 Re3 23. Qg2 Qd6 24. Rcd1 Re2 25. Rf2 Re1+ 26. Rf1 R1e2 27. Rf2 Re1+ 28. Rf1 R1e2 29. Rf2 1/2-1/2

[Event "EU-ch 25th"]
[Site "Eforie Nord"]
[Date "2025.03.19"]
[Round "5"]
[White "Ahmad, Khagan"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2391"]
[BlackElo "2551"]
[PlyCount "101"]
[EventDate "2025.03.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 f5 3. g3 Nf6 4. Bg2 g6 5. 0-0 Bg7 6. Nc3 0-0 7. d3 d5 8. cxd5 exd5 9. Bf4 c6 10. e4 d4 11. Qb3+ Kh8 12. e5 dxc3 13. exf6 Qxf6 14. Be5 Qf7 15. Qxc3 Nd7 16. Ng5 Qe7 17. Bxg7+ Qxg7 18. Qxg7+ Kxg7 19. Ne6+ Kf6 20. Nxf8 Nxf8 21. b4 Ne6 22. d4 Nc7 23. a4 a6 24. d5 Nxd5 25. Bxd5 cxd5 26. Rfd1 Be6 27. Rac1 Bd7 28. Rxd5 Bxa4 29. Rc7 Bc6 30. Rd6+ Ke5 31. Rd2 g5 32. Rxh7 Rc8 33. Re7+ Kf6 34. Re1 g4 35. Rd6+ Kf7 36. Re5 Be4 37. Rc5 Rxc5 38. bxc5 a5 39. Rd4 Bc6 40. Kf1 a4 41. Ke1 Ke6 42. Rd3 Be4 43. Rd6+ Ke5 44. h4 a3 45. Rd1 a2 46. Ra1 Bb1 47. Kd2 Ke4 48. h5 Ke5 49. Ke3 f4+ 50. gxf4+ Kf5 51. Kd4 1-0

[Event "EU-ch 25th"]
[Site "Eforie Nord"]
[Date "2025.03.18"]
[Round "4"]
[White "Stefansson, Vignir Vatnar"]
[Black "Maltsevskaya, Aleksandra"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2551"]
[BlackElo "2376"]
[PlyCount "98"]
[EventDate "2025.03.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Be3 Bd6 7. Bd3 f5 8. Ne2 0-0 9. Qd2 Be6 10. 0-0 Nd7 11. Bf4 Nf6 12. c4 Re8 13. Rfd1 Ne4 14. Qc1 Bxf4 15. Qxf4 Qb6 16. Rab1 Qb4 17. b3 Rad8 18. Rbc1 a5 19. Bxe4 fxe4 20. Nc3 f5 21. d5 cxd5 22. Nxd5 Bxd5 23. cxd5 g6 24. d6 Rd7 25. Rc7 Red8 26. Rxd7 Rxd7 27. Qe5 Kf7 28. h3 h5 29. Kh2 Qb6 30. Rd4 Qd8 31. Qd5+ Kf6 32. Kg1 Qb6 33. g3 Qc6 34. Qxa5 Rxd6 35. Rc4 Qd5 36. Qc3+ Qe5 37. Qe3 Qa1+ 38. Kg2 Qe5 39. Qh6 e3 40. Qf8+ Ke6 41. Rc8 Qe4+ 42. Kh2 exf2 43. Re8+ Kd5 44. Qf7+ Re6 45. Qxb7+ Kd4 46. Qa7+ Kd3 47. Rxe6 f1N+ 48. Kg1 Qxe6 49. Kxf1 Qe2+ 1/2-1/2

[Event "EU-ch 25th"]
[Site "Eforie Nord"]
[Date "2025.03.17"]
[Round "3"]
[White "Dotzer, Lukas"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2425"]
[BlackElo "2551"]
[PlyCount "88"]
[EventDate "2025.03.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nge2 Nf6 4. d4 d5 5. exd5 exd5 6. Be3 c4 7. g3 Bg4 8. Bg2 Bb4 9. 0-0 Bxc3 10. bxc3 Qe7 11. Re1 Nbd7 12. Qb1 Bxe2 13. Qxb7 Rb8 14. Qxa7 0-0 15. Rxe2 Ra8 16. Qc7 Rfc8 17. Qf4 Qa3 18. g4 Qxc3 19. Rae1 h6 20. h4 Nf8 21. g5 Ng6 22. Qg3 hxg5 23. Qxg5 Nf8 24. h5 Ne6 25. Qh4 Rxa2 26. h6 Rxc2 27. hxg7 Nh7 28. Rxc2 Qxe1+ 29. Kh2 Qa5 30. Bh3 Qd8 31. Qh5 Nxg7 32. Qh6 Rb8 33. Qf4 Rb6 34. Ra2 Nf8 35. Ra7 Rf6 36. Qg3 Qd6 37. Qxd6 Rxd6 38. Bg2 Nf5 39. Bf4 Rd8 40. Bg5 Rd6 41. Bf4 Rd8 42. Bc7 Rc8 43. Bh3 Ne6 44. Be5 c3 1/2-1/2

[Event "EU-ch 25th"]
[Site "Eforie Nord"]
[Date "2025.03.16"]
[Round "2"]
[White "Stefansson, Vignir Vatnar"]
[Black "Eren, Ataberk"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2551"]
[BlackElo "2402"]
[PlyCount "120"]
[EventDate "2025.03.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. dxc5 Bxc5 9. Qd2 Qa5 10. Bxc5 Nxc5 11. Nb5 Qxd2+ 12. Kxd2 Ke7 13. Bd3 Bd7 14. Nbd4 h6 15. g4 Raf8 16. Rae1 Rc8 17. f5 h5 18. h3 Ne4+ 19. Ke3 hxg4 20. hxg4 Nxd4 21. Nxd4 Ng5 22. Kf4 Nh3+ 23. Kg3 Ng5 24. Rh4 Rxh4 25. Kxh4 f6 26. fxe6 Rh8+ 27. Kg3 Bxe6 28. Bf5 Bxf5 29. Nxf5+ Kf7 30. exf6 Kxf6 31. Ne3 Ne4+ 32. Kg2 Ke5 33. Rf1 Nd6 34. Re1 Ne4 35. Rd1 Rd8 36. c3 g6 37. Rd4 b5 38. Kf1 Nc5 39. Nc2 Rf8+ 40. Ke2 Ne4 41. Nb4 a5 42. Nd3+ Kd6 43. a4 Nc5 44. axb5 Re8+ 45. Kf3 Nxd3 46. Rxd3 Kc5 47. Rd4 Rb8 48. b4+ axb4 49. Rxb4 g5 50. Ke3 Rxb5 51. Rxb5+ Kxb5 52. Kd4 Kc6 53. c4 dxc4 54. Kxc4 Kd6 55. Kd4 Ke6 56. Ke4 Kf6 57. Kd5 Kf7 58. Ke5 Kg6 59. Ke6 Kg7 60. Kf5 Kf7 1/2-1/2

[Event "EU-ch 25th"]
[Site "Eforie Nord"]
[Date "2025.03.15"]
[Round "1"]
[White "Sgircea, Silvia Raluca"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2221"]
[BlackElo "2551"]
[PlyCount "94"]
[EventDate "2025.03.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 g6 5. 0-0 Bg7 6. Nc3 0-0 7. Qc2 c5 8. b3 d5 9. cxd5 Nxd5 10. Bb2 e5 11. Nxd5 Qxd5 12. d3 Nc6 13. Rfd1 Rfe8 14. Bc3 Rac8 15. Rac1 Qd7 16. Qb2 Qe7 17. Re1 h6 18. a4 Nb4 19. Qa1 Nd5 20. Bb2 a6 21. Nd2 Qc7 22. Red1 Kh7 23. e3 Nb4 24. Bxb7 Qxb7 25. Nc4 Qb8 26. d4 exd4 27. exd4 Re2 28. dxc5 Bxb2 29. Nxb2 Qe5 30. Nc4 Qf5 31. Qd4 bxc5 32. Qf4 Qxf4 33. gxf4 Rc6 34. Kf1 Re4 35. Na5 Rf6 36. Rxc5 Rexf4 37. Rd2 Rf3 38. Rc4 Nd3 39. Rcc2 Nf4 40. Rb2 Rh3 41. Nc4 Rxh2 42. f3 Rh3 43. Kf2 Ne6 44. Rd3 g5 45. b4 g4 46. b5 Nc5 47. Ra3 Rfxf3+ 0-1

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "5"]
[White "Fellowes, Billy"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2203"]
[BlackElo "2551"]
[PlyCount "69"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 e5 6. d3 Nge7 7. a4 0-0 8. Nbd2 a6 9. Bc4 d5 10. exd5 Nxd5 11. Ne4 b6 12. Bg5 f6 13. Qb3 Be6 14. Bc1 Rb8 15. Qc2 Qc8 16. Re1 Rd8 17. Qe2 h6 18. Nh4 Bf7 19. Ng3 f5 20. Nf3 b5 21. axb5 axb5 22. Bb3 Kh7 23. h4 Be6 24. h5 g5 25. Bc2 Bf6 26. d4 cxd4 27. cxd4 Kh8 28. dxe5 Bg7 29. Bd3 b4 30. Bd2 Nde7 31. Rec1 Qd7 32. Bb5 g4 33. Bxc6 Nxc6 34. Nh4 Nxe5 35. Bf4 1-0

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "8"]
[White "Jagirapu, Harshin Reddy"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2073"]
[BlackElo "2551"]
[PlyCount "63"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. Bf4 d6 4. e3 b6 5. Nbd2 Bb7 6. h3 Nd7 7. c3 e5 8. Bh2 Ne7 9. Bd3 0-0 10. 0-0 f5 11. dxe5 dxe5 12. Bc4+ Kh8 13. Ng5 Nc5 14. b4 Nd5 15. h4 Nxc3 16. Qc2 N5e4 17. Ndxe4 Nxe4 18. Ne6 Qxh4 19. Nxg7 Kxg7 20. Bxe5+ Kh6 21. Rad1 Rfe8 22. Qb2 Re7 23. f3 Rxe5 24. Qxe5 Ng3 25. Rfe1 Qxc4 26. Qxg3 Qxb4 27. Qxc7 Ba6 28. Qh2+ Kg7 29. Rd7+ Kf6 30. Red1 Re8 31. Qxh7 Re7 32. R1d6+ 1-0

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "2"]
[White "Jimenez Salas, Maria Teresa"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2071"]
[BlackElo "2551"]
[PlyCount "118"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 h5 6. Be2 g6 7. Nxc6 bxc6 8. e5 Nh7 9. f4 Qb6 10. Qd3 a5 11. Qe3 Qb8 12. 0-0 Bg7 13. Ne4 0-0 14. c3 d6 15. exd6 exd6 16. Bf3 Re8 17. Qf2 d5 18. Ng5 Nf6 19. Be3 Bf5 20. Rfe1 a4 21. a3 Qd6 22. g3 Rab8 23. Bc5 Qd7 24. Rxe8+ Nxe8 25. Re1 Nd6 26. Bg2 Bf8 27. Bxd6 Qxd6 28. Nf3 Qc5 29. Qxc5 Bxc5+ 30. Kh1 Rxb2 31. Ne5 Bxa3 32. Nxc6 Be6 33. Nd4 Rb6 34. Ra1 Bc5 35. Bf3 a3 36. Nxe6 fxe6 37. Kg2 Rb2+ 38. Kf1 Rf2+ 39. Ke1 Rxf3 40. Ke2 Rxc3 41. Kd2 Rb3 42. Kc2 Rb2+ 43. Kc3 Rxh2 44. Rd1 Rg2 45. Kb3 Rxg3+ 46. Ka2 h4 47. f5 gxf5 48. Rh1 h3 49. Kb1 Kf7 50. Rd1 Kf6 51. Ka1 Rg1 52. Rxg1 Bxg1 53. Ka2 h2 54. Kxa3 h1Q 55. Kb3 Qe4 56. Kb2 Qc4 57. Ka1 Qb5 58. Ka2 Qb4 59. Ka1 Bd4+ 0-1

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "10"]
[White "Sargsyan, Anna M"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2357"]
[BlackElo "2551"]
[PlyCount "66"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 c6 4. Nc3 d5 5. exd5 cxd5 6. Be2 Nc6 7. 0-0 Nh6 8. h3 0-0 9. Bxh6 Bxh6 10. Ne5 f6 11. Nxc6 bxc6 12. Na4 e5 13. c4 Be6 14. Nc5 Bf7 15. Qa4 Qd6 16. cxd5 cxd5 17. Rfd1 e4 18. Qd7 Rfd8 19. Qxd6 Rxd6 20. b4 f5 21. a4 Bg7 22. b5 Rc8 23. Rab1 Bxd4 24. Nb7 Rd7 25. Na5 Bf6 26. b6 axb6 27. Rxb6 Bd8 28. Ra6 d4 29. Bb5 Rd5 30. Nc6 d3 31. Nb4 Rdc5 32. Rd6 Be7 33. Rd7 Rxb5 0-1

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "6"]
[White "Sroczynski, Maciej"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2247"]
[BlackElo "2551"]
[PlyCount "126"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 a6 5. cxd5 exd5 6. Bg5 Be6 7. e3 Nbd7 8. Bd3 c6 9. 0-0 Bd6 10. Qc2 Qc7 11. h3 h6 12. Bxf6 Nxf6 13. Rab1 g5 14. e4 dxe4 15. Nxe4 Nxe4 16. Bxe4 Bxa2 17. Rbe1 Be6 18. Bf5 0-0-0 19. Bxe6+ fxe6 20. Rxe6 Rdf8 21. Ne5 Bxe5 22. dxe5 Re8 23. Qf5 Qd7 24. Rxe8+ Rxe8 25. Qe4 Qd5 26. Qxd5 cxd5 27. Re1 Kd7 28. g3 Rf8 29. e6+ Ke7 30. Re5 Kd6 31. Re2 Re8 32. Kg2 Rxe6 33. Rd2 Re4 34. Kf3 Ke5 35. Rc2 Rb4 36. Re2+ Kd6 37. Ke3 Re4+ 38. Kd3 Rxe2 39. Kxe2 Ke5 40. Kd3 a5 41. f3 b5 42. Kc3 d4+ 43. Kd3 a4 44. f4+ gxf4 45. gxf4+ Kxf4 46. Kxd4 b4 47. Kc4 a3 48. bxa3 bxa3 49. Kb3 Kg3 50. Kxa3 Kxh3 51. Kb3 Kg2 52. Kc3 h5 53. Kd4 h4 54. Ke3 h3 55. Kf4 h2 56. Kg4 h1Q 57. Kf4 Qf1+ 58. Kg4 Qf3+ 59. Kh4 Qf7 60. Kg5 Kf3 61. Kh4 Qg7 62. Kh5 Kf4 63. Kh4 Qg4# 0-1

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "1"]
[White "Stefansson, Vignir Vatnar"]
[Black "Demaria, Juan Pablo"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2551"]
[BlackElo "2215"]
[PlyCount "154"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nd7 3. Nc3 e5 4. Nge2 Ngf6 5. g3 Be7 6. Bg2 h5 7. h3 Nf8 8. Be3 Ng6 9. Qd2 c6 10. a4 Qa5 11. Rb1 Be6 12. b4 Qc7 13. 0-0 Rd8 14. d5 cxd5 15. Nxd5 Nxd5 16. exd5 Bf5 17. Rbc1 b6 18. c4 0-0 19. f4 Qd7 20. Kh2 exf4 21. Nxf4 h4 22. g4 Nxf4 23. Bxf4 Bg6 24. Ra1 Rc8 25. Rfc1 Bf6 26. Ra3 Rfe8 27. a5 Be5 28. axb6 axb6 29. Bxe5 Rxe5 30. Qd4 Re2 31. Rca1 Be4 32. Rg1 b5 33. Rc3 bxc4 34. Rxc4 Qe8 35. Kh1 Rxg2 36. Rxg2 Rxc4 37. Qxc4 Qe5 38. Kg1 Qa1+ 39. Kh2 Bxg2 40. Kxg2 Qe5 41. Qd3 Qb2+ 42. Kf3 Qxb4 43. Qf5 Qc3+ 44. Ke2 Qc4+ 45. Ke3 Qc3+ 46. Ke2 Qxh3 47. Qc8+ Kh7 48. Qf5+ Kh8 49. Qc8+ Kh7 50. Qf5+ g6 51. Qxf7+ Kh6 52. Qf4+ Kg7 53. Qd4+ Kf7 54. Qf4+ Kg7 55. Qxd6 Qxg4+ 56. Kf2 h3 57. Qg3 Qf5+ 58. Kg1 Qxd5 59. Qxh3 Qd1+ 60. Kh2 Qe2+ 61. Qg2 Qxg2+ 62. Kxg2 Kf6 63. Kf2 Kf5 64. Kf3 Kg5 65. Kg3 Kh5 66. Kh3 Kg5 67. Kg3 Kf5 68. Kf3 g5 69. Kg3 g4 70. Kg2 Kf4 71. Kf2 g3+ 72. Kg2 Kg4 73. Kg1 Kf4 74. Kg2 Kg4 75. Kg1 Kh3 76. Kh1 Kh4 77. Kg2 Kg4 1/2-1/2

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "7"]
[White "Stefansson, Vignir Vatnar"]
[Black "Melillo, Lucius"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2551"]
[BlackElo "2195"]
[PlyCount "77"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 dxe4 3. Nxe4 Nf6 4. Nxf6+ exf6 5. d4 Bd6 6. Bd3 0-0 7. Ne2 Re8 8. 0-0 Nd7 9. Bf4 Nf8 10. Bxd6 Qxd6 11. Qd2 Ng6 12. Rfe1 Be6 13. c3 Rad8 14. Ng3 Qf4 15. Qc2 c6 16. a4 a5 17. Re4 Qd6 18. Rae1 Nf4 19. Bf1 g6 20. Qd2 Nd5 21. h4 f5 22. Re5 h5 23. Qg5 Qe7 24. Qh6 Qf8 25. Qd2 Nf6 26. Rxa5 Bd5 27. Ra7 Rxe1 28. Qxe1 Re8 29. Qd2 Qe7 30. a5 Ne4 31. Nxe4 Qxe4 32. Rxb7 Qb1 33. Qd3 Re1 34. Qxb1 Rxb1 35. a6 Bc4 36. a7 Rxf1+ 37. Kh2 Ra1 38. Rb8+ Kg7 39. a8Q 1-0

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "11"]
[White "Stefansson, Vignir Vatnar"]
[Black "Naranjo Moreno, Antonio"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2551"]
[BlackElo "2269"]
[PlyCount "137"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. Nc3 Nf6 2. e4 d6 3. d4 g6 4. Bg5 Bg7 5. e5 dxe5 6. dxe5 Ng4 7. Qxd8+ Kxd8 8. 0-0-0+ Nd7 9. Nd5 c6 10. Nxe7 h6 11. Bh4 g5 12. Nxc8 gxh4 13. Nd6 Nxf2 14. Nxf7+ Ke7 15. Nxh8 Nxe5 16. Nh3 Nxd1 17. Kxd1 Rxh8 18. Be2 Rd8+ 19. Kc1 h5 20. Bxh5 Bh6+ 21. Kb1 Rd2 22. Re1 Kd6 23. Be2 Be3 24. Rd1 Nc4 25. c3 Ke5 26. Rxd2 Nxd2+ 27. Kc2 Ne4 28. a4 Bb6 29. b4 Bc7 30. Bf3 Kf5 31. Bxe4+ Kxe4 32. Nf2+ Ke3 33. Ng4+ Ke2 34. a5 Kf1 35. Ne3+ Kf2 36. Nf5 Kxg2 37. Nxh4+ Kxh2 38. Kd3 Kg3 39. Ng6 Kg4 40. Ke4 Kg5 41. Ne5 Kf6 42. Nd3 Ke7 43. Kd4 Kd6 44. Kc4 b6 45. a6 Bd8 46. Nf2 b5+ 47. Kd3 Kd5 48. Ng4 Be7 49. Ne3+ Kd6 50. Nc2 Bf6 51. Ne3 Bh8 52. Nf5+ Kd5 53. Ne7+ Kd6 54. Nc8+ Kc7 55. Nxa7 Kb6 56. Nc8+ Kxa6 57. Ne7 Kb6 58. Nf5 Be5 59. Ne7 c5 60. Nc8+ Kc6 61. Ne7+ Kd6 62. Ng6 Bf6 63. Nf4 cxb4 64. cxb4 Kc6 65. Ne2 Be7 66. Kc3 Bxb4+ 67. Kxb4 Kb6 68. Nc3 Kc6 69. Nxb5 1/2-1/2

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "4"]
[White "Stefansson, Vignir Vatnar"]
[Black "Oparin, Grigoriy"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "2551"]
[BlackElo "2660"]
[PlyCount "58"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bc5 6. Nb3 Bb4 7. Bd3 Nf6 8. 0-0 0-0 9. Bf4 e5 10. Bg5 Bxc3 11. bxc3 h6 12. Bh4 d6 13. Nd2 g5 14. Bg3 Be6 15. c4 Rc8 16. h4 b6 17. Qe2 Nd4 18. Qd1 Kg7 19. Qc1 Nh5 20. Bh2 Nf4 21. Re1 Qf6 22. Qa3 gxh4 23. Qxa7 Qg5 24. Bxf4 Qxf4 25. Nf1 Rg8 26. Nh2 Kh8 27. Re3 Rg7 28. Qe7 Rcg8 29. Bf1 Bxc4 0-1

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "3"]
[White "Stefansson, Vignir Vatnar"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "E00"]
[WhiteElo "2551"]
[BlackElo "2145"]
[PlyCount "85"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nd2 c5 5. a3 Bxd2+ 6. Qxd2 cxd4 7. Nf3 d5 8. cxd5 e5 9. Nxe5 Qxd5 10. Nf3 Nc6 11. Bg2 0-0 12. 0-0 Qd8 13. b4 Ne4 14. Qb2 Bg4 15. b5 Na5 16. Qxd4 Bxf3 17. Qxd8 Raxd8 18. Bxf3 Nc3 19. a4 a6 20. Ba3 Rfe8 21. Bb4 Nb3 22. Bxc3 Nxa1 23. Rxa1 axb5 24. axb5 Rb8 25. e3 h6 26. Bd4 Re7 27. Ra7 g6 28. h4 Rd7 29. Be5 Re8 30. Bf4 Ree7 31. Bxh6 Kh7 32. Bg5 Re5 33. Be2 Rd2 34. Kf1 Rd7 35. Bf6 Rc5 36. Bd4 Rc1+ 37. Kg2 Rc2 38. Bf3 Rcc7 39. b6 Rc2 40. Rxb7 Rxb7 41. Bxb7 Rc1 42. Be4 Rb1 43. Bxb1 1-0

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "9"]
[White "Stefansson, Vignir Vatnar"]
[Black "Yelisieiev, Yevhenii"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2551"]
[BlackElo "2421"]
[PlyCount "92"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. Nc3 d6 2. e4 Nf6 3. d4 e5 4. Nf3 Nbd7 5. Rg1 h5 6. h3 c6 7. a4 a5 8. Be3 Be7 9. Qd2 exd4 10. Nxd4 Nc5 11. f3 Qb6 12. 0-0-0 Qb4 13. b3 Be6 14. Nxe6 fxe6 15. Kb2 d5 16. exd5 exd5 17. g4 hxg4 18. hxg4 0-0-0 19. Qd4 Qb6 20. g5 Nfd7 21. f4 Rh2 22. Rg2 Rh3 23. Re2 Rf3 24. Bg2 Rg3 25. Rh1 Bd6 26. Rh2 Nf8 27. Bh3+ Kb8 28. Rh1 Rxh3 29. Rxh3 Nfe6 30. Qd1 d4 31. Bxd4 Nxf4 32. Bxc5 Bxc5 33. Rd2 Rxd2 34. Qxd2 Nxh3 35. Qh2+ Ka7 36. Qxh3 Bd4 37. Kc1 Qc5 38. Ne4 Qa3+ 39. Kd2 Qa1 40. Qd3 Qg1 41. Qe2 Qh1 42. Kd3 c5 43. Kc4 Qh3 44. c3 Qe6+ 45. Kb5 Qxb3+ 46. Kxa5 Qb6# 0-1

