[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "2"]
[White "Gutkin, Ilya"]
[Black "Ottosen, David"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2289"]
[BlackElo "2067"]
[PlyCount "58"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. h4 Qxe5 12. Bf4 Qg7 13. Qxg7 Rxg7 14. cxd4 Bd7 15. c3 0-0-0 16. g3 Rh8 17. Bg2 f6 18. Kd2 Na5 19. h5 Nc4+ 20. Kc2 Ba4+ 21. Kb1 e5 22. Bc1 Kd7 23. Bf3 Kd6 24. Bg2 Be8 25. h6 Rgh7 26. dxe5+ fxe5 27. f4 Nf5 28. fxe5+ Nxe5 29. Bf4 Nxh6 0-1

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "1"]
[White "Keleberda, Timur"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2227"]
[BlackElo "2067"]
[PlyCount "49"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. 0-0 Be7 8. d3 g5 9. Be3 g4 10. Nd2 h5 11. Nc4 Be6 12. Qc2 Nd5 13. Nxd5 Bxd5 14. f3 h4 15. fxg4 hxg3 16. hxg3 Bxg2 17. Kxg2 Qd5+ 18. Rf3 0-0-0 19. Nd2 Rdg8 20. Ne4 Rxg4 21. Rc1 Kb8 22. Qc4 Qxc4 23. Rxc4 f6 24. Nxf6 Bxf6 25. Rxg4 1-0

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "4"]
[White "Morales Garcia, Sergio Joshafatt"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2249"]
[BlackElo "2067"]
[PlyCount "51"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Qc2 Nf6 5. Bf4 Bd6 6. e3 0-0 7. Nc3 a6 8. Bg5 h6 9. Bh4 Nbd7 10. c5 Be7 11. Bd3 Re8 12. 0-0 Nf8 13. b4 N6d7 14. Bg3 Bf6 15. Ne5 Nxe5 16. dxe5 Be7 17. Na4 Nd7 18. a3 Qc7 19. f4 h5 20. Rf3 Nf8 21. Bf2 f6 22. Bg6 Rd8 23. Bxh5 fxe5 24. fxe5 Qxe5 25. Bf7+ Kh8 26. Rh3+ 1-0

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "3"]
[White "Ottosen, David"]
[Black "Pasti, Aron"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2067"]
[BlackElo "2389"]
[PlyCount "48"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Nxc6 bxc6 7. Bd3 d5 8. 0-0 Nf6 9. Re1 Bc5 10. e5 Nd7 11. Bf4 0-0 12. Qh5 g6 13. Qh6 Re8 14. h4 Bd4 15. Qg5 Qb6 16. Nd1 Ba6 17. c3 Bxe5 18. Bxg6 Bxf4 19. Bxf7+ Kxf7 20. Qxf4+ Nf6 21. Ne3 e5 22. Qh6 Bd3 23. g4 Rg8 24. g5 Rg6 0-1

[Event "Titled Tuesday intern op 22nd Aug Early"]
[Site "Chess.com INT"]
[Date "2023.08.22"]
[Round "6"]
[White "Ottosen, David"]
[Black "Burmakin, Evgeniy"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2067"]
[BlackElo "2179"]
[PlyCount "78"]
[EventDate "2023.08.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 Be7 8. g5 Nfd7 9. h4 b5 10. Rg1 Bb7 11. f3 Qc7 12. h5 g6 13. Qd2 b4 14. Nce2 d5 15. exd5 Bxd5 16. Nf4 Bb7 17. Nfxe6 fxe6 18. Nxe6 Qe5 19. Bc4 Bxf3 20. h6 Nc6 21. Ng7+ Kd8 22. Be6 Ra7 23. Bg4 Bxg4 24. Rxg4 Bc5 25. Ke2 Qxe3+ 26. Qxe3 Bxe3 27. Kxe3 Nce5 28. Rd1 Nxg4+ 29. Kf4 Nge5 30. Ne6+ Ke7 31. Nd4 Rf8+ 32. Ke4 Rc7 33. Re1 Rc5 34. Nb3 Rxc2 35. Kd5 Rxb2 36. Nd4 Rd2 37. Rxe5+ Nxe5 38. Kxe5 Rxd4 39. Kxd4 Rf5 0-1

[Event "Titled Tuesday intern op 22nd Aug Early"]
[Site "Chess.com INT"]
[Date "2023.08.22"]
[Round "5"]
[White "Ottosen, David"]
[Black "Gao, Raymond"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "2067"]
[BlackElo "1938"]
[PlyCount "92"]
[EventDate "2023.08.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 Qb4 9. Nxc6 bxc6 10. Bd3 d5 11. exd5 Nxd5 12. Nxd5 cxd5 13. Qe2 0-0 14. c3 Qd6 15. Rad1 a5 16. f4 a4 17. a3 Bd7 18. f5 Rab8 19. Rf2 Be5 20. Bh6 Bxh2+ 21. Kh1 Rfe8 22. Qf3 Qg3 23. Rdf1 Qxf3 24. Rxf3 Be5 25. fxg6 fxg6 26. R1f2 Bg4 27. Rf7 Be6 28. R7f3 Bg7 29. Bc1 Rf8 30. Bc2 Bd7 31. Bg5 e5 32. Rxf8+ Rxf8 33. Rd2 d4 34. cxd4 exd4 35. Be7 Rf1+ 36. Kh2 Be5+ 37. g3 Bc6 38. Kh3 Kf7 39. Bc5 h5 40. Kh4 Bf6+ 41. Kh3 g5 42. g4 Rh1+ 43. Kg3 h4+ 44. Kf2 Rh2+ 45. Ke1 Rxd2 46. Kxd2 h3 0-1

[Event "Titled Tuesday intern op 15th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.15"]
[Round "5"]
[White "Fernandez Garcia, Gumersindo"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2162"]
[BlackElo "2067"]
[PlyCount "129"]
[EventDate "2023.08.15"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 c5 4. exd5 Qxd5 5. Nf3 Bd7 6. Nc3 Qh5 7. 0-0 Nf6 8. Be3 cxd4 9. Nxd4 Qxd1 10. Raxd1 a6 11. Rfe1 Nc6 12. Ne4 Be7 13. c3 0-0 14. Nb3 Ne5 15. Nxf6+ Bxf6 16. Be4 Bc6 17. Bd4 Bxe4 18. Rxe4 Rfd8 19. Rde1 Nc6 20. Bxf6 gxf6 21. g3 f5 22. R4e2 Rd5 23. Kg2 Rad8 24. Rc1 Kg7 25. a4 Kf6 26. h4 f4 27. g4 h5 28. g5+ Kf5 29. Rce1 Kg4 30. Re4 e5 31. Rh1 Kf5 32. f3 f6 33. gxf6 Kxf6 34. Kf2 Rg8 35. Rg1 Rxg1 36. Kxg1 Rd1+ 37. Kg2 Kf5 38. Nc5 Rd2+ 39. Kh3 Rxb2 40. Re1 Rc2 41. Ne4 Ra2 42. Rb1 Na5 43. Rb6 Nc6 44. Rxb7 Rxa4 45. Rb6 Rc4 46. Rxa6 Ke6 47. Rb6 Kd5 48. Rb7 Ra4 49. Rd7+ Kc4 50. Rh7 Kd3 51. Rxh5 Ke3 52. Rh6 Kxf3 53. Ng5+ Ke3 54. Rxc6 f3 55. Rf6 e4 56. h5 f2 57. h6 Ra3 58. h7 Ra8 59. Nf7 Ke2 60. Kg2 e3 61. h8Q Rxh8 62. Nxh8 Ke1 63. c4 e2 64. Rxf2 Kd1 65. Rxe2 1-0

[Event "Titled Tuesday intern op 15th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.15"]
[Round "9"]
[White "Harish, Neeraj"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2040"]
[BlackElo "2067"]
[PlyCount "95"]
[EventDate "2023.08.15"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 f6 7. exf6 Qxf6 8. 0-0 Bd6 9. Na3 a6 10. Bg5 Qf7 11. Nc2 Nge7 12. Re1 0-0 13. Qd2 Qh5 14. Ne5 Bxe5 15. dxe5 h6 16. Bf4 Rf7 17. Bg3 Nf5 18. c4 Nxg3 19. hxg3 Nxe5 20. cxd5 Nxd3 21. Qxd3 exd5 22. Ne3 d4 23. Nc4 Bc6 24. Ne5 Rc7 25. Qb3+ Kh7 26. Nxc6 bxc6 27. Qd3+ Qg6 28. Qc4 Qd6 29. Rac1 d3 30. Qxc5 Qxc5 31. Rxc5 Rb8 32. b3 Rb5 33. Rc3 Rd5 34. Rd1 Re7 35. Rcxd3 Rxd3 36. Rxd3 Re2 37. a4 Rb2 38. Rc3 Kg8 39. Rxc6 Rxb3 40. Rxa6 Ra3 41. Ra7 Kh7 42. g4 Kg6 43. f3 Kf6 44. Kh2 g5 45. Ra6+ Ke5 46. Kg3 Ra2 47. Rxh6 Rxa4 48. Rg6 1-0

[Event "Titled Tuesday intern op 15th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.15"]
[Round "3"]
[White "Hristodoulou, Panagiotis"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2358"]
[BlackElo "2067"]
[PlyCount "41"]
[EventDate "2023.08.15"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c6 3. e3 Qb6 4. Qc1 Bd7 5. c4 e6 6. Nc3 Nf6 7. Nf3 Be7 8. Bd3 0-0 9. 0-0 a6 10. h3 Qd8 11. Qc2 Re8 12. Rad1 h6 13. Rfe1 Bc8 14. e4 dxe4 15. Nxe4 Nxe4 16. Bxe4 Nd7 17. d5 exd5 18. cxd5 cxd5 19. Bc7 dxe4 20. Bxd8 exf3 21. Bxe7 1-0

[Event "Titled Tuesday intern op 15th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.15"]
[Round "11"]
[White "Jahnz, Fabian"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2268"]
[BlackElo "2067"]
[PlyCount "8"]
[EventDate "2023.08.15"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Ba3 4. bxa3 Nf6 1-0

[Event "Titled Tuesday intern op 15th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.15"]
[Round "2"]
[White "Ottosen, David"]
[Black "Arnold, Ken"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2067"]
[PlyCount "85"]
[EventDate "2023.08.15"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. 0-0 Bg6 7. Re1 Nf5 8. h3 h5 9. Nbd2 Nd7 10. Nf1 Be7 11. Ne3 h4 12. c3 Qb6 13. Qb3 Rc8 14. Nxf5 Bxf5 15. Be3 c5 16. Rac1 c4 17. Qd1 Qxb2 18. Bg5 Qa3 19. Bxe7 Qxe7 20. Qa4 a6 21. Nh2 Rc6 22. Bg4 Bg6 23. f4 b5 24. Qd1 Bd3 25. Qf3 g6 26. Nf1 Nb6 27. Ne3 Be4 28. Qf2 Na4 29. Bf3 Bxf3 30. Qxf3 Nb2 31. Rf1 Nd3 32. Rc2 Qd7 33. Ng4 Kd8 34. Nf6 Qb7 35. Qg4 a5 36. Qg5 b4 37. Nxd5+ Kc8 38. Ne7+ Kb8 39. Nxc6+ Qxc6 40. cxb4 Nxb4 41. Rb2 Ka8 42. Qf6 Rd8 43. Qxd8+ 1-0

[Event "Titled Tuesday intern op 15th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.15"]
[Round "4"]
[White "Ottosen, David"]
[Black "Bold, Andre"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2067"]
[BlackElo "2194"]
[PlyCount "58"]
[EventDate "2023.08.15"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. 0-0 h6 7. Re1 Nd7 8. h3 g5 9. Nh2 Bg7 10. c3 0-0 11. Nd2 Qc7 12. Ndf1 c5 13. Ng3 Bg6 14. Bh5 cxd4 15. cxd4 Rac8 16. Be3 Qc2 17. Bxg6 Nxg6 18. Qh5 Qxb2 19. Ng4 f5 20. Nxh6+ Bxh6 21. Qxg6+ Bg7 22. Nh5 Rf7 23. Bxg5 Nf8 24. Nf6+ Rxf6 25. Qh5 Rf7 26. Rab1 Qxd4 27. Bf6 Bxf6 28. exf6 Qxf6 29. Re3 Rg7 0-1

[Event "Titled Tuesday intern op 15th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.15"]
[Round "10"]
[White "Ottosen, David"]
[Black "Jankowiak, Tomasz"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2067"]
[BlackElo "2227"]
[PlyCount "69"]
[EventDate "2023.08.15"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 h5 5. Be2 e6 6. 0-0 Nd7 7. Re1 c5 8. c3 Rc8 9. Nbd2 Nh6 10. Nf1 Be4 11. Ng3 Bxf3 12. Bxf3 h4 13. Nf1 h3 14. g3 Be7 15. Be3 Nf5 16. Qd2 c4 17. Bg4 Nxe3 18. Qxe3 Nf8 19. Nd2 Ng6 20. Nf3 0-0 21. Kh1 Rc6 22. Ng1 f5 23. exf6 Rxf6 24. Bxh3 Qf8 25. f4 Qf7 26. Nf3 Nf8 27. Ne5 Qe8 28. Nxc6 bxc6 29. Re2 Qf7 30. Rae1 c5 31. Qf2 cxd4 32. cxd4 Rh6 33. Bg2 Qh5 34. Bf3 Rg6 35. Bxh5 1-0

[Event "Titled Tuesday intern op 15th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.15"]
[Round "7"]
[White "Ottosen, David"]
[Black "Korol, Dimitry"]
[Result "0-1"]
[ECO "B79"]
[WhiteElo "2067"]
[BlackElo "2287"]
[PlyCount "98"]
[EventDate "2023.08.15"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Qd2 Bd7 10. 0-0-0 Qa5 11. Kb1 Rfc8 12. Bb3 Ne5 13. Nce2 Qa6 14. h4 b5 15. Bh6 Bh8 16. h5 Nc4 17. Qc1 Qb6 18. hxg6 fxg6 19. Rh2 e5 20. Nf5 gxf5 21. Qg5+ Kf7 22. Ng3 Rg8 23. Qh4 f4 24. Nh5 Be6 25. Nxf6 Bxf6 26. Qh5+ Rg6 27. g3 fxg3 28. Rg2 Rag8 29. Rxg3 a5 30. Bg5 a4 31. Bxc4 bxc4 32. Bxf6 Kxf6 33. Qh4+ Kf7 34. Rxg6 hxg6 35. c3 a3 36. Rd2 Qe3 37. Kc2 d5 38. exd5 Bf5+ 39. Kd1 Qg1+ 40. Ke2 Qg2+ 41. Ke3 Qg1+ 42. Ke2 Bd3+ 43. Rxd3 cxd3+ 44. Kxd3 axb2 45. d6 b1Q+ 46. Kc4 Qgf1+ 47. Kd5 Qbd3+ 48. Kc6 Qc4+ 49. Kd7 Qxh4 0-1

[Event "Titled Tuesday intern op 15th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.15"]
[Round "6"]
[White "Ottosen, David"]
[Black "Lenoir Ibacache, Gabriel Alberto"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2067"]
[BlackElo "2225"]
[PlyCount "79"]
[EventDate "2023.08.15"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. Qd2 Be6 9. f4 Qc7 10. f5 Bc4 11. Rg1 b5 12. Bd3 Ng4 13. h3 Nxe3 14. Qxe3 h6 15. Bxc4 Qxc4 16. Qd3 Qxd3 17. cxd3 Nd7 18. Nd5 Nf6 19. Nc7+ Kd7 20. Nxa8 Rxa8 21. Ke2 d5 22. Rac1 dxe4 23. Nc5+ Bxc5 24. Rxc5 exd3+ 25. Kxd3 Kd6 26. b4 Nd5 27. a3 Rd8 28. Ke4 Nf6+ 29. Kf3 Ke7 30. Rc7+ Kf8 31. Rgc1 Rd3+ 32. Ke2 Rxa3 33. Ra7 Ra2+ 34. Kf1 Kg8 35. Rcc7 Nh5 36. Rxf7 Rb2 37. g4 Ng3+ 38. Ke1 e4 39. Rxg7+ Kf8 40. Rgb7 1-0

[Event "Titled Tuesday intern op 15th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.15"]
[Round "8"]
[White "Ugarte Soto, Cesar"]
[Black "Ottosen, David"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2088"]
[BlackElo "2067"]
[PlyCount "85"]
[EventDate "2023.08.15"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. e3 e6 4. b3 f5 5. Bb2 Nf6 6. Nbd2 Bd6 7. Bd3 0-0 8. 0-0 Ne4 9. Ne5 Nd7 10. f3 Nxd2 11. Qxd2 Qc7 12. f4 Nf6 13. c4 Ne4 14. Bxe4 fxe4 15. c5 Bxe5 16. fxe5 Bd7 17. b4 Rxf1+ 18. Rxf1 Rf8 19. Qe2 Qd8 20. Qg4 Rxf1+ 21. Kxf1 Qf8+ 22. Kg1 Qf5 23. Qxf5 exf5 24. Kf2 Kf7 25. h4 Ke6 26. Kg3 Be8 27. Bc3 Bh5 28. a4 a6 29. Kf4 Be2 30. Kg5 Bd1 31. a5 Be2 32. Be1 Bd1 33. h5 Be2 34. Bh4 Bd1 35. h6 g6 36. Kf4 Be2 37. Bf6 Bd1 38. g3 Be2 39. Bd8 Bd1 40. Kg5 Be2 41. Bc7 Bd1 42. Bb6 Be2 43. Ba7 1/2-1/2

[Event "Titled Tuesday intern op 11th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.11"]
[Round "2"]
[White "Nikologorsky, Matfei"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2182"]
[BlackElo "2067"]
[PlyCount "37"]
[EventDate "2023.07.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 c5 5. exd5 Qxd5 6. dxc5 Bxc5 7. Ngf3 Nf6 8. 0-0 Nc6 9. Qe2 0-0 10. Ne4 Nxe4 11. Bxe4 Qh5 12. c3 e5 13. Be3 Bxe3 14. Qxe3 Bg4 15. h3 Bxf3 16. Bxf3 Qf5 17. Rfe1 Rfe8 18. Rad1 Rac8 19. Bg4 1-0

[Event "Titled Tuesday intern op 11th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.11"]
[Round "1"]
[White "Ottosen, David"]
[Black "Brunner, Nicolas"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2067"]
[BlackElo "2426"]
[PlyCount "44"]
[EventDate "2023.07.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. Nc3 Nf6 5. d4 exd4 6. Nxd4 Bb4 7. Bg5 0-0 8. 0-0 h6 9. Bh4 Bxc3 10. bxc3 d5 11. Bd3 c5 12. Nf3 Nc6 13. Re1 Bg4 14. h3 Bh5 15. Rb1 b6 16. c4 d4 17. Be4 Rc8 18. Bd5 g5 19. Bg3 Nxd5 20. cxd5 Qxd5 21. c3 Rfd8 22. cxd4 Nxd4 0-1

[Event "Titled Tuesday intern op 27th Jun Late"]
[Site "Chess.com INT"]
[Date "2023.06.27"]
[Round "7"]
[White "Gertler, David"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "2218"]
[BlackElo "2067"]
[PlyCount "19"]
[EventDate "2023.06.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 Qxd5 5. Nf3 Nc6 6. Bd2 Qd8 7. Bd3 Nxd4 8. Nxd4 Qxd4 9. 0-0 Nf6 10. Nb5 1-0

[Event "Titled Tuesday intern op 27th Jun Late"]
[Site "Chess.com INT"]
[Date "2023.06.27"]
[Round "6"]
[White "Ottosen, David"]
[Black "Cardenas Carbajal, Nilson"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2067"]
[BlackElo "2126"]
[PlyCount "109"]
[EventDate "2023.06.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Qd2 Be7 9. f4 exf4 10. Bxf4 Nc6 11. Nd4 Ne5 12. Nf5 Bxf5 13. exf5 0-0 14. 0-0-0 Qc7 15. Be2 b5 16. Nd5 Nxd5 17. Qxd5 Rac8 18. Rd2 Rfd8 19. g4 Nc4 20. Bxc4 Qxc4 21. Qxc4 Rxc4 22. Rf1 d5 23. b3 Re4 24. Kd1 Bb4 25. Re2 Rd4+ 26. Bd2 Bxd2 27. Rxd2 Rxg4 28. f6 gxf6 29. Rxf6 Kg7 30. Rxa6 d4 31. Ra5 b4 32. Rb5 Rg1+ 33. Ke2 Rg2+ 34. Kd3 Rxd2+ 35. Kxd2 Re8 36. Rxb4 Re4 37. a4 f5 38. a5 f4 39. Kd3 Re5 40. Rxd4 Rxa5 41. Rxf4 Kg6 42. b4 Ra1 43. c4 Kg5 44. Rf3 h5 45. Rg3+ Kf4 46. c5 h4 47. Rg8 Rb1 48. Kc4 Rb2 49. c6 Rxh2 50. b5 Rc2+ 51. Kd5 h3 52. Rh8 Kg3 53. b6 h2 54. b7 Rb2 55. Rxh2 1-0

[Event "Titled Tuesday intern op 27th Jun Late"]
[Site "Chess.com INT"]
[Date "2023.06.27"]
[Round "5"]
[White "Waldo, Zalapa Alejandro"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1904"]
[BlackElo "2067"]
[PlyCount "47"]
[EventDate "2023.06.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nc6 5. Bd3 Bg4 6. c3 Bd6 7. Be3 Qd7 8. Nbd2 0-0-0 9. 0-0 Nge7 10. b4 f5 11. Bg5 h6 12. Bxe7 Nxe7 13. Qc2 Kb8 14. Rfe1 g5 15. Ne5 Bxe5 16. Rxe5 Ng6 17. Bxf5 Bxf5 18. Rxf5 Nf4 19. Re1 Rdg8 20. Nf3 g4 21. Ne5 Qh7 22. Nf7 Rf8 23. Nxh8 Rxh8 24. Rf8+ 1-0

[Event "Titled Tuesday intern op 23rd May Late"]
[Site "Chess.com INT"]
[Date "2023.05.23"]
[Round "6"]
[White "Ismayil, Malak"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2115"]
[BlackElo "2067"]
[PlyCount "53"]
[EventDate "2023.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 c5 5. dxc5 Bxc5 6. Ngf3 Nf6 7. 0-0 Nc6 8. Qe2 dxe4 9. Nxe4 Nxe4 10. Qxe4 Bd7 11. Bg5 Be7 12. Bxe7 Qxe7 13. Rfe1 Rc8 14. a3 Na5 15. b4 Bc6 16. Qg4 Bxf3 17. Qxf3 Nc6 18. Qg4 0-0 19. Re3 Rfd8 20. Rg3 g6 21. Qf4 e5 22. Qh6 Nd4 23. Rh3 f5 24. c4 e4 25. Bf1 Nc2 26. Rc1 Rd2 27. Qxd2 1-0

[Event "Titled Tuesday intern op 23rd May Late"]
[Site "Chess.com INT"]
[Date "2023.05.23"]
[Round "1"]
[White "Ottosen, David"]
[Black "Bruedigam, Martin"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2067"]
[BlackElo "2381"]
[PlyCount "84"]
[EventDate "2023.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. 0-0 a5 7. Re1 a4 8. a3 h6 9. Be3 Qb6 10. Qc1 Ne7 11. Nbd2 Bh7 12. Nf1 Ng6 13. Ng3 Be7 14. c3 0-0 15. Bxh6 gxh6 16. Qxh6 Rfc8 17. Nh5 Bf8 18. Qg5 Qd8 19. Qg3 Be7 20. Bd3 Qf8 21. Ng5 Qh6 22. Nxh7 Kxh7 23. Nf4 Ndf8 24. Re3 Bg5 25. Rf3 Kg7 26. Nh3 Be7 27. Rf4 c5 28. Rg4 cxd4 29. cxd4 Rc1+ 30. Rxc1 Qxc1+ 31. Bf1 Rc8 32. Nf4 Qd2 33. h4 Rc1 34. h5 Rxf1+ 35. Kh2 Qd1 36. Rxg6+ fxg6 37. Nxe6+ Nxe6 38. Qxg6+ Kf8 39. Qxe6 Rh1+ 40. Kg3 Qxh5 41. Qc8+ Kf7 42. e6+ Kf6 0-1

[Event "Titled Tuesday intern op 23rd May Late"]
[Site "Chess.com INT"]
[Date "2023.05.23"]
[Round "2"]
[White "Ottosen, David"]
[Black "Korol, Dimitry"]
[Result "1-0"]
[ECO "B79"]
[WhiteElo "2067"]
[BlackElo "2287"]
[PlyCount "115"]
[EventDate "2023.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Qd2 Bd7 10. 0-0-0 Qa5 11. Kb1 Rfc8 12. Bb3 Ne5 13. h4 b5 14. Nce2 Qxd2 15. Rxd2 Nc4 16. Bxc4 Rxc4 17. c3 a5 18. g4 h5 19. g5 Ne8 20. f4 e5 21. fxe5 dxe5 22. Nf5 Bc6 23. Ne7+ Kf8 24. Nxc6 Rxc6 25. Ng3 Nd6 26. Rd5 Nc4 27. Bc5+ Ke8 28. b3 Rac8 29. bxc4 Rxc5 30. Rxc5 Rxc5 31. cxb5 Rxb5+ 32. Kc2 f6 33. a4 Rc5 34. Rf1 fxg5 35. hxg5 h4 36. Ne2 Rc4 37. Kd3 Rxa4 38. Rh1 Bf8 39. Rxh4 Be7 40. Rh8+ Kf7 41. Rh7+ Ke6 42. Rg7 Bxg5 43. Rxg6+ Bf6 44. Rg8 Be7 45. Ra8 Ra3 46. Ra6+ Kd7 47. Ng3 Bb4 48. Ne2 Bd6 49. Kc4 Ra2 50. Ng3 a4 51. Nf5 Bf8 52. Kd5 Rb2 53. Ra7+ Ke8 54. Rxa4 Rb5+ 55. Ke6 Rb8 56. Kxe5 Rc8 57. c4 Bc5 58. Kd5 1-0

[Event "Titled Tuesday intern op 23rd May Late"]
[Site "Chess.com INT"]
[Date "2023.05.23"]
[Round "5"]
[White "Ottosen, David"]
[Black "Santos Flores, Alberto Javier"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "2067"]
[BlackElo "2164"]
[PlyCount "45"]
[EventDate "2023.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 d6 9. f3 Bd7 10. Qd2 Rc8 11. 0-0-0 Ne5 12. h4 h5 13. Bg5 Rc5 14. g4 hxg4 15. f4 Nc4 16. Qe2 b5 17. f5 Qa5 18. h5 Nxb2 19. hxg6 Qxc3 20. Bxf6 exf6 21. Qh2 Rfc8 22. gxf7+ Kf8 23. Qxd6# 1-0

[Event "Titled Tuesday intern op 23rd May Late"]
[Site "Chess.com INT"]
[Date "2023.05.23"]
[Round "7"]
[White "Ottosen, David"]
[Black "Shapiro, Daniel E"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2067"]
[BlackElo "2284"]
[PlyCount "42"]
[EventDate "2023.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 g6 6. Be3 Bg7 7. Nc3 Ne7 8. Qd2 d5 9. 0-0-0 e5 10. exd5 exd4 11. Bg5 dxc3 12. Qe3 cxb2+ 13. Kb1 h6 14. d6 hxg5 15. dxe7 Qxe7 16. Qb6 Be6 17. Rhe1 Nd7 18. Qxb7 Rb8 19. Qxa6 0-0 20. Bxg6 Ra8 21. Bxf7+ Kxf7 0-1

[Event "Titled Tuesday intern op 23rd May Late"]
[Site "Chess.com INT"]
[Date "2023.05.23"]
[Round "3"]
[White "Sattarov, Bobir"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2366"]
[BlackElo "2067"]
[PlyCount "47"]
[EventDate "2023.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Nfd7 5. d4 c5 6. dxc5 Bxc5 7. Bd3 Nc6 8. Bf4 Nb4 9. Be2 a6 10. a3 Nc6 11. Bd3 b5 12. 0-0 Nb6 13. Ng5 Be7 14. Qh5 g6 15. Qh6 Bf8 16. Qh3 h6 17. Rfe1 Nc4 18. Bxc4 dxc4 19. Rad1 Qe7 20. Nce4 Bg7 21. Nd6+ Kf8 22. Ngxf7 Rh7 23. Qf3 Kg8 24. Qxc6 1-0

[Event "Titled Tuesday intern op 23rd May Late"]
[Site "Chess.com INT"]
[Date "2023.05.23"]
[Round "4"]
[White "Stojanovski, Sandi"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2179"]
[BlackElo "2067"]
[PlyCount "73"]
[EventDate "2023.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d3 d5 2. Nf3 c5 3. g3 Nc6 4. Bg2 e5 5. 0-0 Nf6 6. c4 d4 7. e3 Be6 8. exd4 exd4 9. Ng5 Bd7 10. Re1+ Be7 11. Qe2 h6 12. Ne4 0-0 13. Nxf6+ Bxf6 14. Nd2 g6 15. Ne4 Be7 16. Bxh6 Re8 17. Qd2 Bf5 18. h4 Bxe4 19. Rxe4 Bf6 20. Rae1 Rxe4 21. Rxe4 Kh7 22. Bf4 Qd7 23. Qe2 a6 24. a3 Rc8 25. Bf3 b5 26. b3 bxc4 27. bxc4 Ne7 28. Kg2 Nf5 29. Bg4 Bg7 30. h5 Qa4 31. hxg6+ Kxg6 32. Bh5+ Kh7 33. Qg4 Qd7 34. Be5 Rg8 35. Qh3 Bh6 36. Bg4 Rxg4 37. Qxg4 1-0

[Event "Titled Tuesday intern op 23rd May Late"]
[Site "Chess.com INT"]
[Date "2023.05.23"]
[Round "9"]
[White "Vila Dupla, Aurelio"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2030"]
[BlackElo "2067"]
[PlyCount "27"]
[EventDate "2023.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 c6 3. c4 e6 4. cxd5 exd5 5. Nc3 Be7 6. Qc2 Nf6 7. Bg5 0-0 8. e3 h6 9. Bh4 Nbd7 10. Bd3 Re8 11. 0-0 Nf8 12. h3 Nh5 13. Bxe7 Qd7 14. Bxf8 1-0

[Event "Titled Tuesday intern op 23rd May Late"]
[Site "Chess.com INT"]
[Date "2023.05.23"]
[Round "8"]
[White "Zahn, Wolfgang"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2280"]
[BlackElo "2067"]
[PlyCount "83"]
[EventDate "2023.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. e3 Nf6 5. Nc3 Nbd7 6. b3 Bd6 7. Bd3 0-0 8. 0-0 Re8 9. Bb2 dxc4 10. bxc4 e5 11. Nd2 exd4 12. exd4 Nf8 13. Nce4 Be7 14. Qf3 Be6 15. Rad1 Qb6 16. Ba1 Nxe4 17. Nxe4 Qa5 18. Rb1 Rab8 19. Bc3 Qc7 20. Bd2 Nd7 21. Bf4 Qc8 22. Bd6 Nf6 23. Bxe7 Nxe4 24. Qxe4 f5 25. Qh4 Qd7 26. Bg5 h6 27. Be3 b5 28. d5 cxd5 29. cxb5 Qf7 30. Qg3 Kh7 31. Bf4 Rb7 32. Rfe1 g5 33. Be5 Kg8 34. Qe3 f4 35. Qd4 Rc8 36. b6 axb6 37. Rxb6 Rxb6 38. Qxb6 Qd7 39. Qd6 Qxd6 40. Bxd6 Ra8 41. Rxe6 Rxa2 42. h3 1-0

[Event "Titled Tuesday intern op 22 Mar Late"]
[Site "Chess.com INT"]
[Date "2022.03.22"]
[Round "4"]
[White "Horak, Martin"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2328"]
[BlackElo "2067"]
[PlyCount "47"]
[EventDate "2022.03.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nc3 dxc4 5. a4 Bb4 6. g3 Nf6 7. Bg2 Nbd7 8. 0-0 0-0 9. Nd2 Bxc3 10. bxc3 Nd5 11. Qc2 c5 12. Nxc4 cxd4 13. cxd4 N7f6 14. e4 Nb4 15. Qd2 a5 16. Ba3 Qc7 17. Rac1 Bd7 18. Nxa5 Qxa5 19. Bxb4 Qxa4 20. Bxf8 Rxf8 21. Rc7 Bc6 22. d5 exd5 23. exd5 Rd8 24. dxc6 1-0

[Event "Titled Tuesday intern op 22 Mar Late"]
[Site "Chess.com INT"]
[Date "2022.03.22"]
[Round "3"]
[White "Ladan, Nicholas John"]
[Black "Ottosen, David"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2158"]
[BlackElo "2067"]
[PlyCount "84"]
[EventDate "2022.03.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c6 3. e3 Qb6 4. Qc1 Nf6 5. c4 e6 6. c5 Qa5+ 7. Nc3 Nbd7 8. a3 e5 9. b4 Qc7 10. dxe5 Nxe5 11. Nf3 Nxf3+ 12. gxf3 Qd8 13. Ne2 Be7 14. Nd4 Nh5 15. Bg3 Nxg3 16. hxg3 Bf6 17. Qd2 g6 18. f4 Bg4 19. Bg2 Qe7 20. Kf1 0-0 21. Re1 Bg7 22. Kg1 Qc7 23. f3 Bd7 24. g4 a5 25. Bf1 axb4 26. axb4 Rfe8 27. g5 Ra3 28. Nc2 Rb3 29. Qh2 Bf5 30. Nd4 Rbxe3 31. Rxe3 Rxe3 32. Nxf5 gxf5 33. Qxh7+ Kf8 34. Qxf5 Rxf3 35. Rh4 Bd4+ 36. Kg2 Rf2+ 37. Kg3 Rxf1 38. g6 Bg7 39. gxf7 d4 40. Rh5 d3 41. Qe4 Qd7 42. Rf5 d2 0-1

[Event "Titled Tuesday intern op 22 Mar Late"]
[Site "Chess.com INT"]
[Date "2022.03.22"]
[Round "5"]
[White "Ottosen, David"]
[Black "Burke, Paul"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2067"]
[PlyCount "42"]
[EventDate "2022.03.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 d5 5. exd5 Qxd5 6. cxd4 Nf6 7. Nc3 Bb4 8. Bd2 Qh5 9. Be2 Bg4 10. 0-0 0-0-0 11. a3 Bd6 12. h3 Rhe8 13. Be3 Bxh3 14. gxh3 Qxh3 15. Re1 Ng4 16. Bb5 Bh2+ 17. Nxh2 Nxh2 18. Bxc6 bxc6 19. f3 Qg3+ 20. Kh1 Nxf3 21. Qe2 Qh3+ 0-1

[Event "Titled Tuesday intern op 04th Jan"]
[Site "Chess.com INT"]
[Date "2022.01.04"]
[Round "4"]
[White "Ottosen, David"]
[Black "Atanasov, Radislav"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2067"]
[BlackElo "2081"]
[PlyCount "99"]
[EventDate "2022.01.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Bc4 cxb2 6. Bxb2 Bb4+ 7. Nbd2 Nf6 8. e5 d5 9. exf6 dxc4 10. fxg7 Rg8 11. 0-0 c3 12. Re1+ Be6 13. Bxc3 Bxc3 14. Qb3 Bxa1 15. Rxe6+ fxe6 16. Qxe6+ Qe7 17. Qxg8+ Kd7 18. Qd5+ Qd6 19. g8Q Rxg8 20. Qxg8 Qg6 21. Qd5+ Kc8 22. h3 Ne7 23. Qa5 a6 24. Nb3 Bg7 25. Qc5 Qb1+ 26. Kh2 Qe4 27. Qa7 Qf4+ 28. Kg1 Nc6 29. Qa8+ Nb8 30. Qa7 b6 31. Qa8 Qc4 32. Nfd2 Qc6 33. Qxc6 Nxc6 34. f4 Nb4 35. a3 Nd5 36. f5 a5 37. Ne4 a4 38. Nbd2 Bd4+ 39. Kf1 Ne3+ 40. Ke2 Nxf5 41. Kd3 Bg7 42. g4 Nd4 43. Nc3 b5 44. h4 c5 45. g5 c4+ 46. Ke4 Nb3 47. Nf3 Bxc3 48. h5 Nd2+ 49. Nxd2 Bxd2 50. g6 1-0

[Event "Titled Tuesday intern op 04th Jan"]
[Site "Chess.com INT"]
[Date "2022.01.04"]
[Round "3"]
[White "Skuhala, Barbara"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2068"]
[BlackElo "2067"]
[PlyCount "43"]
[EventDate "2022.01.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 Be7 6. Ne2 0-0 7. 0-0 Nbd7 8. c4 Re8 9. Nbc3 Nf8 10. Be3 Ng6 11. Rc1 Nh4 12. Ng3 Nxf3+ 13. Qxf3 Rb8 14. Rfd1 Bd7 15. d5 exd5 16. cxd5 a6 17. a3 Bd6 18. Bd4 Bg4 19. Qd3 Bxd1 20. Rxd1 Bxg3 21. Qxg3 Nxd5 22. Qxg7# 1-0

[Event "Titled Tuesday intern op 02nd Nov"]
[Site "Chess.com INT"]
[Date "2021.11.02"]
[Round "6"]
[White "Bures, Vit"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "D48"]
[WhiteElo "2110"]
[BlackElo "2067"]
[PlyCount "25"]
[EventDate "2021.11.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. a4 c5 10. axb5 cxd4 11. Nxd4 Bb4 12. 0-0 0-0 13. Nc6 1-0

[Event "Titled Tuesday intern op 02nd Nov"]
[Site "Chess.com INT"]
[Date "2021.11.02"]
[Round "5"]
[White "Ottosen, David"]
[Black "Pesotskiy, Mikhail"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2067"]
[BlackElo "2217"]
[PlyCount "74"]
[EventDate "2021.11.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. e5 f6 5. f4 fxe5 6. fxe5 Qh4+ 7. g3 Qxd4 8. Nf3 Qxd1+ 9. Nxd1 Nge7 10. Bd3 Nb4 11. 0-0 Bd7 12. Ng5 Nxd3 13. cxd3 c5 14. Nf7 Rg8 15. Nd6+ Kd8 16. Nxb7+ Kc7 17. Nd6 Nc6 18. Bf4 g5 19. Nb5+ Kb6 20. Bd2 Kxb5 21. Rf7 Nxe5 22. Rxh7 Rg7 23. Rxg7 Bxg7 24. a4+ Ka6 25. Kg2 Nxd3 26. Nc3 Nxb2 27. Nb5 Bxb5 28. axb5+ Kxb5 29. Ra5+ Kb6 30. Ra2 c4 31. Bxg5 c3 32. Be3+ Kb5 33. h4 d4 34. Bf4 d3 35. h5 d2 36. h6 Bd4 37. Ra1 d1Q 0-1

[Event "Titled Tuesday intern op 28th Sept"]
[Site "Chess.com INT"]
[Date "2021.09.28"]
[Round "4"]
[White "Bailey, Ben"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2113"]
[BlackElo "2067"]
[PlyCount "79"]
[EventDate "2021.09.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 Nf6 5. Qc2 Nbd7 6. Nf3 Bd6 7. Bd3 0-0 8. 0-0 Re8 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 h6 12. Re1 e5 13. c5 Bc7 14. d5 cxd5 15. Bxd5 Nf6 16. Bb3 Bg4 17. Nh4 Nh5 18. Nf5 Qf6 19. Ne3 Bd7 20. Bd2 Bc6 21. Nd5 Bxd5 22. Bxd5 Rab8 23. Bc3 Nf4 24. Be4 Qg5 25. g3 Rf8 26. h4 Qg4 27. Bf5 Qf3 28. gxf4 g6 29. Qe4 Qh5 30. Bh3 f5 31. Qd5+ Rf7 32. Rxe5 Qxh4 33. Rae1 Rbf8 34. Qg2 Qxf4 35. Qxg6+ Rg7 36. Qxg7+ Kxg7 37. R5e4+ Be5 38. Bxe5+ Qxe5 39. Rxe5 Kf6 40. Re6+ 1-0

[Event "Titled Tuesday intern op 28th Sept"]
[Site "Chess.com INT"]
[Date "2021.09.28"]
[Round "3"]
[White "Ottosen, David"]
[Black "Karavade, Eesha"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2067"]
[BlackElo "2345"]
[PlyCount "90"]
[EventDate "2021.09.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. Qd2 Be6 9. f4 exf4 10. Bxf4 Nc6 11. Nd4 Nxd4 12. Qxd4 0-0 13. 0-0-0 Qa5 14. Bxd6 Bxd6 15. Qxd6 Rad8 16. Qf4 Rxd1+ 17. Kxd1 Rd8+ 18. Bd3 Bxa2 19. e5 Nd5 20. Nxd5 Bxd5 21. Rf1 g6 22. h4 Qa1+ 23. Kd2 Qxb2 24. h5 Rc8 25. hxg6 hxg6 26. Qf6 Qc3+ 27. Ke3 Qc5+ 28. Kd2 Qc6 29. Qf4 Qc3+ 30. Kd1 Re8 31. Bxg6 fxg6 32. Qf6 Qd4+ 33. Kc1 Qa1+ 34. Kd2 Qd4+ 35. Kc1 Qe4 36. Rh1 Qe3+ 37. Kb2 Qd4+ 38. Kc1 Qa1+ 39. Kd2 Qxh1 40. Qxg6+ Kf8 41. Qf6+ Bf7 42. Qd6+ Kg8 43. e6 Qxg2+ 44. Kc3 Rxe6 45. Qd8+ Kg7 0-1

[Event "Titled Tuesday intern op 21st Sept"]
[Site "Chess.com INT"]
[Date "2021.09.21"]
[Round "2"]
[White "Gubanov, Oleg"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2258"]
[BlackElo "2067"]
[PlyCount "61"]
[EventDate "2021.09.21"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c6 3. Nc3 Nd7 4. Nf3 g6 5. e3 Bg7 6. h4 f6 7. h5 e5 8. Bg3 e4 9. Nd2 g5 10. h6 Nxh6 11. Rxh6 Bxh6 12. Qh5+ Ke7 13. Qxh6 Qf8 14. Qxf8+ Nxf8 15. f3 f5 16. fxe4 fxe4 17. Be2 h5 18. Na4 b6 19. c4 Ng6 20. cxd5 cxd5 21. Nc3 Be6 22. Nb5 h4 23. Bh2 h3 24. g4 Rhf8 25. Bd6+ Kf7 26. Bxf8 Kxf8 27. Kf2 Kg7 28. Kg3 Rh8 29. Rh1 Rc8 30. Nc3 b5 31. Bxb5 1-0

[Event "Titled Tuesday intern op 21st Sept"]
[Site "Chess.com INT"]
[Date "2021.09.21"]
[Round "3"]
[White "Ottosen, David"]
[Black "Pesotskiy, Mikhail"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2067"]
[BlackElo "2217"]
[PlyCount "78"]
[EventDate "2021.09.21"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qg4 Kf8 9. Nf3 Nc6 10. Be2 Nge7 11. 0-0 b6 12. Rfc1 h6 13. Nh4 Ba6 14. Bxa6 Qxa6 15. f4 cxd4 16. f5 dxc3 17. Bxc3 exf5 18. Nxf5 Nxf5 19. Qxf5 Qc8 20. Qf4 Qe6 21. Rf1 h5 22. a4 Rh6 23. Bb2 Rg6 24. Ba3+ Kg8 25. Bd6 Qg4 26. Qxg4 Rxg4 27. Rf5 g6 28. Rf6 Nd4 29. Raf1 Nf5 30. h3 Rc4 31. e6 Nxd6 32. exf7+ Nxf7 33. Rxf7 Rxc2 34. Rd7 Rf8 35. Rd1 Rff2 36. Rxa7 Rxg2+ 37. Kh1 Rgf2 38. Kg1 Rf7 39. Rxd5 Rxa7 0-1

[Event "Titled Tuesday intern op 21st Sept"]
[Site "Chess.com INT"]
[Date "2021.09.21"]
[Round "1"]
[White "Petesch, Gabriel N"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2330"]
[BlackElo "2067"]
[PlyCount "49"]
[EventDate "2021.09.21"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 c6 3. Be2 Bf5 4. c4 e6 5. 0-0 Nd7 6. Nc3 Ngf6 7. Nh4 Bg6 8. d3 Bd6 9. Bd2 Ng4 10. Nf3 0-0 11. e4 Ngf6 12. Qc2 dxe4 13. dxe4 e5 14. Rad1 Nc5 15. Bg5 h6 16. Nxe5 hxg5 17. Nxg6 fxg6 18. e5 Qe8 19. exd6 Rd8 20. Bf3 g4 21. Rfe1 Qf7 22. Re7 Qxc4 23. Qxg6 Rf7 24. Bd5 Qxd5 25. Nxd5 1-0

[Event "Titled Tuesday intern op 14th Sept"]
[Site "Chess.com INT"]
[Date "2021.09.14"]
[Round "4"]
[White "Mitali, Madhukar Patil"]
[Black "Ottosen, David"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1952"]
[BlackElo "2067"]
[PlyCount "62"]
[EventDate "2021.09.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. e3 Bg4 4. c4 e6 5. Qb3 Qb6 6. c5 Qc7 7. Ne5 Bf5 8. Nc3 Nd7 9. f4 f6 10. Nf3 e5 11. fxe5 fxe5 12. Be2 Ngf6 13. 0-0 g6 14. Nh4 Be6 15. dxe5 Nxc5 16. Qc2 Nfe4 17. b4 Nxc3 18. Qxc3 Ne4 19. Qd4 Be7 20. Nf3 0-0 21. Bd3 c5 22. bxc5 Bxc5 23. Qa4 a6 24. Bxe4 dxe4 25. Qxe4 Rad8 26. Bb2 Bd5 27. Qh4 Bxe3+ 28. Kh1 Qc2 29. Rab1 Bxa2 30. Ng5 Bxg5 31. Qxg5 Bxb1 0-1

[Event "Titled Tuesday intern op 14th Sept"]
[Site "Chess.com INT"]
[Date "2021.09.14"]
[Round "6"]
[White "Ottosen, David"]
[Black "Dvirnyy, Danyyil"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "2067"]
[BlackElo "2488"]
[PlyCount "88"]
[EventDate "2021.09.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 Bb4 7. Bd3 Ne5 8. 0-0 Neg4 9. a3 Nxe3 10. fxe3 Bd6 11. Qe1 Ng4 12. h3 Ne5 13. Qf2 0-0 14. Rac1 a6 15. Nf3 b5 16. Ne2 Bb7 17. Nf4 Rc8 18. Kh1 Qe7 19. Kg1 Nc4 20. Kh1 Nxb2 21. e5 Bxa3 22. Nh5 Nxd3 23. Qg3 g6 24. Nf6+ Kg7 25. Qh4 h6 26. cxd3 Rxc1 27. Rxc1 Bxf3 28. gxf3 g5 29. Rg1 Rh8 30. d4 d6 31. f4 dxe5 32. fxg5 Qb7+ 33. Kh2 Qf3 34. gxh6+ Kf8 35. h7 Ke7 36. Ng8+ Kd7 37. dxe5 Bb2 38. Qe7+ Kc6 39. Qd6+ Kb7 40. Qd7+ Kb6 41. Qd6+ Qc6 42. Qxc6+ Kxc6 43. Nf6 Bxe5+ 44. Kh1 Bxf6 0-1

[Event "Titled Tuesday intern op 14th Sept"]
[Site "Chess.com INT"]
[Date "2021.09.14"]
[Round "2"]
[White "Ottosen, David"]
[Black "Temirkanov, David"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2067"]
[BlackElo "2282"]
[PlyCount "95"]
[EventDate "2021.09.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e6 3. d4 d5 4. e5 Bd7 5. c3 f6 6. exf6 Nxf6 7. Bd3 Bd6 8. 0-0 0-0 9. Re1 Qe8 10. Nbd2 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. f4 Bg4 14. Nf3 Bxf3 15. gxf3 Ne4 16. fxe4 Qg6+ 17. Kh1 Bxf4 18. Bxf4 Rxf4 19. exd5 Qg5 20. Qe2 Qxd5+ 21. Be4 Qg5 22. Bxb7 Raf8 23. Rg1 Qh6 24. Bd5+ Kh8 25. Raf1 Qd6 26. Bg2 g6 27. Rxf4 Rxf4 28. Rf1 Rh4 29. Qe8+ Kg7 30. Qf7+ Kh6 31. Qf8+ Qxf8 32. Rxf8 Ra4 33. a3 Ra5 34. Rf7 Rb5 35. b4 Re5 36. h3 c5 37. Rxa7 Re1+ 38. Kh2 Rc1 39. bxc5 Rxc3 40. c6 Rc5 41. c7 Kg5 42. Ra5 Rxa5 43. c8Q Rxa3 44. Qc1+ Kh5 45. Qxa3 g5 46. Bf3+ Kh4 47. Qb4+ g4 48. Qxg4# 1-0

[Event "Titled Tuesday intern op 14th Sept"]
[Site "Chess.com INT"]
[Date "2021.09.14"]
[Round "3"]
[White "Ottosen, David"]
[Black "Turzo, Attila"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2067"]
[BlackElo "2312"]
[PlyCount "54"]
[EventDate "2021.09.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Nxc6 bxc6 7. Bd3 d5 8. 0-0 Nf6 9. Re1 Be7 10. e5 Nd7 11. Qg4 g6 12. Bh6 Nxe5 13. Qg3 Bd6 14. Bf4 f6 15. Rad1 0-0 16. h4 Kh8 17. Bh6 Rf7 18. f4 Nxd3 19. cxd3 Bd7 20. Qg4 e5 21. Qf3 exf4 22. d4 Rg8 23. Re2 g5 24. h5 g4 25. Qd3 f3 26. Rf2 Bh2+ 27. Kh1 Qg3 0-1

[Event "Titled Tuesday intern op 14th Sept"]
[Site "Chess.com INT"]
[Date "2021.09.14"]
[Round "5"]
[White "Sadovsky, Artem"]
[Black "Ottosen, David"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2316"]
[BlackElo "2067"]
[PlyCount "124"]
[EventDate "2021.09.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. 0-0 Nd7 5. d3 e5 6. Nbd2 Bd6 7. e4 f5 8. Qe1 Ngf6 9. exf5 Bxf5 10. Nd4 Bg6 11. f4 0-0 12. Ne6 Qb6+ 13. Kh1 Rfe8 14. f5 Bf7 15. Bh3 Bxe6 16. fxe6 Nf8 17. Nb3 Nxe6 18. Rxf6 gxf6 19. Bxe6+ Rxe6 20. Qe2 Kf7 21. Qh5+ Ke7 22. Qxh7+ Kd8 23. Qh8+ Re8 24. Qxf6+ Kc7 25. Bg5 Rac8 26. a4 Rf8 27. a5 Qf2 28. Qxf2 Rxf2 29. Be3 Rxc2 30. Bxa7 Rh8 31. Bg1 e4 32. Nd4 Rxb2 33. a6 bxa6 34. Rxa6 exd3 35. Ne6+ Kd7 36. Nd4 d2 37. Ra7+ Bc7 38. Ra1 Bb6 39. Nf3 Bxg1 40. Kxg1 c5 41. Rd1 c4 42. Nxd2 Kc6 43. Nf3 Kc5 44. g4 c3 45. Nd4 Kc4 46. g5 Rhxh2 47. Nf3 Rhg2+ 48. Kh1 Rgf2 49. Ne5+ Kb3 50. Nd3 Rh2+ 51. Kg1 Rbg2+ 52. Kf1 Rh1+ 53. Kxg2 Rxd1 54. g6 Rxd3 55. g7 c2 56. g8Q c1Q 57. Qb8+ Kc2 58. Qc7+ Kd1 59. Kf1 Rf3+ 60. Kg2 Qe3 61. Kh2 Qe2+ 62. Kg1 Rf1# 0-1

[Event "BCF-chT3N 1617 (4NCL)"]
[Site "England"]
[Date "2017.05.01"]
[Round "11.24"]
[White "Ukken, Somton"]
[Black "Ottosen, David"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1875"]
[BlackElo "2079"]
[PlyCount "68"]
[EventDate "2016.11.26"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Ashfield Breadsall II"]
[BlackTeam "Manx Liberty"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "IOM"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 Bb7 8. b3 Bxc3 9. Bxc3 a5 10. bxc4 b4 11. Bb2 Nf6 12. Bd3 Nbd7 13. e4 c5 14. d5 exd5 15. exd5 Qe7+ 16. Be2 0-0 17. 0-0 Ne8 18. Re1 f6 19. Qc2 Nd6 20. Bd3 Qd8 21. Bxh7+ Kh8 22. Qg6 Re8 23. Qh5 Rxe1+ 24. Rxe1 Nf8 25. Bd3+ Kg8 26. Nh4 Qd7 27. Nf5 Re8 28. Rxe8 Qxe8 29. Qg4 Nxf5 30. Qxf5 Qxa4 31. Qg4 Qd7 32. Bf5 Qe7 33. h3 a4 34. d6 Qxd6 0-1

[Event "BCF-chT3N 1617 (4NCL)"]
[Site "England"]
[Date "2017.04.30"]
[Round "10.24"]
[White "Ottosen, David"]
[Black "Newton, Robert"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "2079"]
[BlackElo "2035"]
[PlyCount "80"]
[EventDate "2016.11.26"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Manx Liberty"]
[BlackTeam "Manchester Manticores II"]
[WhiteTeamCountry "IOM"]
[BlackTeamCountry "ENG"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Qd2 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. Bg5 Rc5 14. g4 hxg4 15. f4 Nc4 16. Qe2 b5 17. f5 gxf5 18. exf5 Re5 19. Qf2 Qb6 20. Qg1 Bxf5 21. Bxf6 Bxf6 22. Nxf5 Qxg1 23. Nxe7+ Bxe7 24. Rdxg1 f5 25. Nxb5 d5 26. Nc3 Nb6 27. Re1 Rxe1+ 28. Rxe1 Bxh4 29. Re5 Kg7 30. Nxd5 Nxd5 31. Bxd5 Bf6 32. Re2 Kh6 33. Kd1 Kg5 34. Ke1 Bxb2 35. c4 Bd4 36. Kf1 Rb8 37. Rc2 Rb1+ 38. Kg2 Kh4 39. Kh2 Bg1+ 40. Kg2 Bc5 0-1

[Event "BCF-chT3N 1617 (4NCL)"]
[Site "England"]
[Date "2017.04.29"]
[Round "9.24"]
[White "Jarvis, Derek A"]
[Black "Ottosen, David"]
[Result "1/2-1/2"]
[ECO "B28"]
[WhiteElo "1942"]
[BlackElo "2079"]
[PlyCount "55"]
[EventDate "2016.11.26"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Ashfield Breadsall"]
[BlackTeam "Manx Liberty"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "IOM"]

1. e4 c5 2. Nf3 a6 3. c3 g6 4. d4 cxd4 5. cxd4 Bg7 6. Nc3 b5 7. Be3 Bb7 8. Bd3 Nf6 9. e5 Nd5 10. Nxd5 Bxd5 11. 0-0 Nc6 12. Qd2 Qa5 13. Qxa5 Nxa5 14. Nd2 0-0 15. b3 Nc6 16. Be4 Bxe4 17. Nxe4 d6 18. Rac1 Nb4 19. a3 Nd5 20. exd6 f5 21. dxe7 Rfe8 22. Nc3 Nxe7 23. Rfd1 Rad8 24. g3 Rd7 25. h4 Red8 26. Ne2 Kf7 27. Rc5 Nd5 28. Nf4 1/2-1/2

[Event "Douglas IoM op"]
[Site "Douglas"]
[Date "2016.10.08"]
[Round "8"]
[White "Dahl, Baard"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1921"]
[BlackElo "2105"]
[PlyCount "43"]
[EventDate "2016.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 g6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bg7 7. Be2 0-0 8. 0-0 Nc6 9. Be3 Bd7 10. Nc2 Ne5 11. f4 Neg4 12. Bd4 e5 13. fxe5 dxe5 14. Bc5 Re8 15. h3 Rc8 16. hxg4 Rxc5 17. g5 Nh5 18. Bxh5 gxh5 19. Qxh5 Be6 20. Rad1 Qc7 21. Ne3 Rc6 22. Ncd5 1-0

[Event "Douglas IoM op"]
[Site "Douglas"]
[Date "2016.10.07"]
[Round "7"]
[White "Ottosen, David"]
[Black "Van Foreest, Lucas"]
[Result "0-1"]
[ECO "C97"]
[WhiteElo "2105"]
[BlackElo "2350"]
[PlyCount "114"]
[EventDate "2016.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Be6 13. Nf1 Rfc8 14. d5 Bd7 15. Ng3 g6 16. Qd3 c4 17. Qe2 Nb7 18. Bd2 Nc5 19. b4 cxb3 20. axb3 a5 21. b4 Na4 22. Bxa4 bxa4 23. Rec1 Qc4 24. Qe1 axb4 25. cxb4 Qd3 26. Qe3 Bb5 27. Qxd3 Rxc1+ 28. Bxc1 Bxd3 29. Nd2 Rc8 30. f3 Bd8 31. Ndf1 Nd7 32. Be3 Nb6 33. Nd2 Rc2 34. Nh1 f5 35. Nf2 Bb5 36. f4 exf4 37. Bxf4 g5 38. Nf3 gxf4 39. Nd4 Rxf2 40. Kxf2 Bf6 41. Rd1 Bd7 42. exf5 a3 43. Kf3 a2 44. Ke4 Bxf5+ 45. Nxf5 Na4 46. Rc1 Bb2 47. Re1 Nc3+ 48. Kxf4 Nxd5+ 49. Ke4 Nc3+ 50. Kd3 Nb1 51. Kc2 a1Q 52. Rxb1 Qa4+ 53. Kxb2 Qxb4+ 54. Kc1 Qc3+ 55. Kd1 Qd3+ 56. Kc1 Qxf5 57. Rb2 Qf1+ 0-1

[Event "Douglas IoM op"]
[Site "Douglas"]
[Date "2016.10.06"]
[Round "6"]
[White "Ottosen, David"]
[Black "Hamer, Martyn"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2105"]
[BlackElo "2063"]
[PlyCount "155"]
[EventDate "2016.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 0-0 6. 0-0 d6 7. h3 a6 8. Ba4 Ba7 9. Bg5 Qe7 10. Nbd2 Nd8 11. Qe2 Ne6 12. Be3 Nc5 13. Bc2 Bd7 14. b4 Na4 15. Nb1 Bxe3 16. fxe3 d5 17. exd5 Nxd5 18. Qd2 Rad8 19. e4 Nf6 20. Qg5 Rfe8 21. a3 Bb5 22. Nh4 Nd5 23. Qg3 Ndxc3 24. Rf2 Kh8 25. Nf5 Qf8 26. Nd2 Nb2 27. Nc4 Bxc4 28. dxc4 Nbd1 29. Bxd1 Nxd1 30. Re2 g6 31. Nh4 Qd6 32. Nf3 Nc3 33. Ree1 Qd3 34. Qh4 Kg7 35. Ng5 h6 36. Nxf7 Kxf7 37. Rf1+ Kg8 38. Qf6 Qe3+ 39. Kh2 Qg5 40. Qf7+ Kh8 41. Rf6 Nxe4 42. Rxg6 Qf4+ 43. Qxf4 exf4 44. Rxh6+ Kg7 45. Rh4 f3 46. Rg4+ Kh6 47. gxf3 Rd2+ 48. Kg1 Ng5 49. Rg3 Ree2 50. f4 Ne4 51. Rg4 Re3 52. a4 Rde2 53. f5 Ng5 54. Rg2 Nxh3+ 55. Kh2 Ng5 56. Rxe2 Rxe2+ 57. Kg3 Re4 58. Rc1 Kg7 59. a5 Kf6 60. b5 Kxf5 61. c5 axb5 62. c6 bxc6 63. Rc5+ Re5 64. Rxe5+ Kxe5 65. a6 Ne4+ 66. Kg2 Kd4 67. a7 c5 68. a8Q c4 69. Qd8+ Ke3 70. Qxc7 c3 71. Qb6+ Kd3 72. Qxb5+ Kd2 73. Qd5+ Kc1 74. Kf3 c2 75. Ke3 Nc3 76. Qb3 Nd1+ 77. Ke2 Nb2 78. Qa2 1-0

[Event "Douglas IoM op"]
[Site "Douglas"]
[Date "2016.10.05"]
[Round "5"]
[White "Kotepalli, Sai Nirupama"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1944"]
[BlackElo "2105"]
[PlyCount "91"]
[EventDate "2016.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Bg4 3. h3 Bh5 4. Nf3 Nd7 5. e3 Ngf6 6. c4 c6 7. Qb3 Bxf3 8. gxf3 Qb6 9. Nc3 e6 10. c5 Qxb3 11. axb3 Be7 12. b4 0-0 13. b5 e5 14. Bh2 exd4 15. exd4 Rfe8 16. Kd1 Nb8 17. Bd3 a6 18. Re1 Kf8 19. b6 g6 20. b4 Nfd7 21. Kc2 f5 22. Ne2 Nxb6 23. cxb6 Nd7 24. Bc7 Bxb4 25. Reb1 Be7 26. h4 Bd8 27. h5 Bxc7 28. bxc7 b5 29. hxg6 hxg6 30. Rh1 Ke7 31. Rh7+ Kd6 32. Nf4 Nf8 33. Rg7 Re7 34. Rxe7 Kxe7 35. Rxa6 Rc8 36. Rxc6 Kd7 37. Bxb5 Rxc7 38. Rxc7+ Kxc7 39. Nxd5+ Kd6 40. Nc3 Ne6 41. Kd3 Nf4+ 42. Kd2 Nh3 43. Ke3 g5 44. d5 g4 45. f4 Kc5 46. Bd3 1-0

[Event "Douglas IoM op"]
[Site "Douglas"]
[Date "2016.10.04"]
[Round "4"]
[White "Ottosen, David"]
[Black "Birkett, Richard"]
[Result "1-0"]
[ECO "C75"]
[WhiteElo "2105"]
[BlackElo "1996"]
[PlyCount "75"]
[EventDate "2016.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nge7 6. d4 Bd7 7. Be3 Ng6 8. h4 h5 9. d5 Nb8 10. Bc2 Bg4 11. g3 Nd7 12. Nbd2 Be7 13. Qb1 Nf6 14. Ng5 Bd7 15. f3 c6 16. dxc6 bxc6 17. Bb3 d5 18. Qd3 Qa5 19. 0-0-0 Rb8 20. exd5 cxd5 21. Nde4 Rxb3 22. Nxf6+ gxf6 23. axb3 fxg5 24. hxg5 Bc6 25. Rhe1 0-0 26. f4 e4 27. Qe2 Bb5 28. Qxh5 Qa1+ 29. Kc2 Bd3+ 30. Rxd3 exd3+ 31. Kd2 Qxb2+ 32. Kxd3 Qxb3 33. Rh1 Qc4+ 34. Kd2 Rb8 35. Bd4 Bf6 36. gxf6 Qa2+ 37. Ke3 Re8+ 38. Be5 1-0

[Event "Douglas IoM op"]
[Site "Douglas"]
[Date "2016.10.03"]
[Round "3"]
[White "Tate, Alan"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2376"]
[BlackElo "2105"]
[PlyCount "62"]
[EventDate "2016.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 c5 5. dxc5 Bxc5 6. Ngf3 Nf6 7. e5 Nfd7 8. a3 Nc6 9. b4 Be7 10. Bb2 Qc7 11. Qe2 a6 12. c4 dxc4 13. Nxc4 b5 14. Nd6+ Kf8 15. Rc1 Nb6 16. Be4 Nd5 17. Nxc8 Rxc8 18. Bxd5 exd5 19. 0-0 h5 20. e6 Rh6 21. Ne5 Rxe6 22. Qxh5 Bf6 23. Nxc6 Rxc6 24. Bxf6 gxf6 25. Qh8+ Ke7 26. Rfe1+ Kd7 27. Qh3+ Kd8 28. Qh8+ Kd7 29. Qh5 Qe5 30. Qxf7+ Kd8 31. Rcd1 Qxh2+ 1-0

[Event "Douglas IoM op"]
[Site "Douglas"]
[Date "2016.10.02"]
[Round "2"]
[White "Hemant, Sharma"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2371"]
[BlackElo "2105"]
[PlyCount "95"]
[EventDate "2016.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8. a3 g5 9. h3 h5 10. b4 g4 11. hxg4 Bxg4 12. Rb1 a6 13. Bb2 Qd7 14. Ne4 f6 15. Nc5 Qc8 16. Qc1 Bxc5 17. bxc5 Nd7 18. Qc4 Qd8 19. Nh4 Nf8 20. Ba1 Be6 21. Qe4 Ne7 22. Qxb7 Bd5 23. Bxd5 Qxd5 24. f4 Rd8 25. Qxd5 Rxd5 26. fxe5 fxe5 27. Kd2 Rg8 28. Rb8+ Kd7 29. Rf1 Ne6 30. Rxg8 Nxg8 31. Rf7+ Ke8 32. Rf5 Rxc5 33. Rxe5 Rxe5 34. Bxe5 Nh6 35. Ng6 Ng4 36. Nf4 Nxf4 37. Bxf4 Kd7 38. Kc3 Nf6 39. Kd4 c6 40. Ke5 Nd5 41. Bd2 Nc7 42. a4 Ne6 43. Be3 Ke7 44. Bg1 Ng7 45. Bc5+ Kd7 46. Kf6 Ne6 47. Be3 Nc7 48. Kg6 1-0

[Event "Douglas IoM op"]
[Site "Douglas"]
[Date "2016.10.01"]
[Round "1"]
[White "Ottosen, David"]
[Black "Puranik, Abhimanyu Sameer"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2105"]
[BlackElo "2471"]
[PlyCount "108"]
[EventDate "2016.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Be2 Be7 9. 0-0 0-0 10. a4 Nbd7 11. Qd2 Rc8 12. a5 Qc7 13. Bd3 Rfd8 14. Rfd1 Nc5 15. Nxc5 dxc5 16. Qe1 Qc6 17. f3 c4 18. Bf1 Rxd1 19. Rxd1 Bb4 20. Ra1 Nd7 21. Nd5 Bxe1 22. Ne7+ Kf8 23. Nxc6 Bh4 24. Nb4 Be7 25. Na2 Nb8 26. Nc3 Bc5 27. Nd5 Bxd5 28. Bxc5+ Rxc5 29. exd5 Rxd5 30. Bxc4 Rc5 31. Rd1 Nc6 32. Bd3 g6 33. Be4 Ke7 34. g4 Rxa5 35. h4 Ra2 36. b3 Nd4 37. Bxb7 Rxc2 38. Ra1 Rc7 39. Bxa6 Nxf3+ 40. Kf2 Nd2 41. Re1 Ke6 42. Re3 f5 43. Rd3 Ne4+ 44. Ke3 Nd6 45. b4 f4+ 46. Ke2 e4 47. Rd2 Rc3 48. Rb2 Ke5 49. Kf1 f3 50. Rd2 e3 51. Rd1 Ne4 52. Ra1 Rc2 53. Bd3 Ng3+ 54. Ke1 Rd2 0-1

[Event "BCF-chT3Nd 1516 (4NCL)"]
[Site "England"]
[Date "2016.05.02"]
[Round "11.106"]
[White "Ottosen, David"]
[Black "Collins, Richard Arnold"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2106"]
[BlackElo "1930"]
[PlyCount "36"]
[EventDate "2016.03.20"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Manx Ravens"]
[BlackTeam "Manchester Manticores III"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. 0-0 c5 7. c4 Ne7 8. Nc3 dxc4 9. Bxc4 a6 10. Qa4 Nc6 11. Qd1 cxd4 12. Nxd4 Nxd4 13. Qxd4 Bc5 14. Qf4 0-0 15. Ne4 Qb6 16. b3 Bd4 17. Be3 Bxe5 18. Qxe5 Nxe5 1/2-1/2

[Event "BCF-chT3Nd 1516 (4NCL)"]
[Site "England"]
[Date "2016.05.01"]
[Round "10.96"]
[White "Mort, Andrew J"]
[Black "Ottosen, David"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1913"]
[BlackElo "2106"]
[PlyCount "74"]
[EventDate "2016.03.20"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Spirit of Atticus III"]
[BlackTeam "Manx Ravens"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. 0-0 Be7 7. Nc3 Nb6 8. d3 g5 9. a3 g4 10. Nd2 h5 11. b4 h4 12. Bb2 hxg3 13. hxg3 Be6 14. Nde4 Nd4 15. Nc5 Bxc5 16. bxc5 Bb3 17. Qd2 Nd5 18. Nxd5 Bxd5 19. Qe3 Rh5 20. Bxd4 Bxg2 21. Kxg2 Qxd4 22. Rh1 Qd5+ 23. Qe4 Qxe4+ 24. dxe4 Rxh1 25. Rxh1 Ke7 26. Rh5 Kf6 27. Rf5+ Ke6 28. Rg5 b5 29. Rxg4 a5 30. Rh4 b4 31. axb4 axb4 32. Rh1 Kd7 33. Rb1 Rb8 34. Kf3 Kc6 35. Ke3 Kxc5 36. Kd3 Rd8+ 37. Kc2 Kb5 0-1

[Event "BCF-chT3Nd 1516 (4NCL)"]
[Site "England"]
[Date "2016.04.30"]
[Round "9.126"]
[White "Ottosen, David"]
[Black "Carpenter, Martin"]
[Result "1/2-1/2"]
[ECO "C83"]
[WhiteElo "2106"]
[BlackElo "2012"]
[PlyCount "81"]
[EventDate "2016.03.20"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Manx Ravens"]
[BlackTeam "Jorvik"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Be3 0-0 11. h3 a5 12. Qe2 Rb8 13. Rd1 Nc5 14. Bc2 Qd7 15. Nbd2 Bf5 16. Bxf5 Qxf5 17. Bxc5 Bxc5 18. Nb3 Bb6 19. Rxd5 b4 20. Nbd4 Nxd4 21. Nxd4 Bxd4 22. cxd4 Rfd8 23. Rxd8+ Rxd8 24. Qc4 Qd7 25. Rd1 c6 26. Qc5 Qd5 27. Qxd5 Rxd5 28. Rc1 Rxd4 29. Rxc6 Rd1+ 30. Kh2 Kf8 31. Rc2 Ke7 32. Kg3 Ke6 33. f4 Rd3+ 34. Kf2 b3 35. axb3 Rxb3 36. g4 Rxh3 37. Rc5 Rh2+ 38. Ke3 Rxb2 39. f5+ Ke7 40. Rxa5 Rb4 41. Ra7+ 1/2-1/2

[Event "BCF-chT3Nd 1516 (4NCL)"]
[Site "England"]
[Date "2016.03.20"]
[Round "8.116"]
[White "Doran, Chris"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "1987"]
[BlackElo "2106"]
[PlyCount "49"]
[EventDate "2016.03.20"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Holmes Chapel"]
[BlackTeam "Manx Ravens"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. e4 e6 2. d4 d5 3. Nd2 h6 4. Bd3 c5 5. c3 cxd4 6. cxd4 dxe4 7. Nxe4 Nf6 8. Nf3 Nbd7 9. Nxf6+ Nxf6 10. 0-0 Bd7 11. Ne5 Qb6 12. Be3 Nd5 13. Qf3 Nf6 14. d5 Qc7 15. Nxd7 Nxd7 16. dxe6 Ne5 17. exf7+ Kd8 18. Qe4 Bd6 19. Rac1 Qxf7 20. Bc5 Bxc5 21. Rxc5 Nc6 22. Re1 Qf6 23. Bb5 Kc7 24. Bxc6 bxc6 25. Rec1 1-0

[Event "BCF-chT3Nb 1516 (4NCL)"]
[Site "England"]
[Date "2016.03.19"]
[Round "7.116"]
[White "Ottosen, David"]
[Black "Robertson, David J"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2104"]
[BlackElo "2125"]
[PlyCount "69"]
[EventDate "2015.11.14"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Manx Ravens"]
[BlackTeam "Spirit of Atticus II"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Ndb5 Qb8 7. Be3 a6 8. Bb6 axb5 9. Nxb5 Bb4+ 10. c3 Ba5 11. Nc7+ Qxc7 12. Bxc7 Bxc7 13. Qg4 Kf8 14. Bb5 Nf6 15. Qe2 b6 16. 0-0 Bb7 17. f4 h5 18. a4 Ke7 19. Rad1 Rad8 20. e5 Ng4 21. h3 Nh6 22. Bd3 Rdg8 23. Be4 g5 24. f5 exf5 25. Bxf5 Nxf5 26. Rxf5 Nd8 27. Qc4 Bc6 28. b4 b5 29. Qc5+ Ke8 30. axb5 Ne6 31. Qc4 Bb6+ 32. Kh1 Bb7 33. Rxf7 Rg7 34. Rxg7 Nxg7 35. Qd3 1-0

[Event "Blackpool op 40th"]
[Site "Blackpool"]
[Date "2016.03.13"]
[Round "4"]
[White "Ottosen, David"]
[Black "Paul, Nathanael"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2114"]
[BlackElo "1926"]
[PlyCount "87"]
[EventDate "2016.03.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. 0-0 c5 7. c3 Nec6 8. Be3 Nd7 9. Nbd2 cxd4 10. cxd4 Be7 11. Rc1 0-0 12. a3 a5 13. Re1 Rc8 14. Nf1 f6 15. exf6 Nxf6 16. Ng3 Ng4 17. Qb3 Nxe3 18. Qxe3 Qd7 19. Bb5 Bd6 20. Nxf5 exf5 21. Ne5 Bxe5 22. dxe5 f4 23. Qd2 Qe6 24. Bxc6 bxc6 25. f3 Rf5 26. Qd4 c5 27. Rxc5 Rxc5 28. Qxc5 Rxe5 29. Rxe5 Qxe5 30. Kf1 a4 31. Qc8+ Kf7 32. Qd7+ Kg6 33. Qxa4 Qxb2 34. Qc6+ Kh5 35. Qxd5+ g5 36. Qf7+ Kh6 37. Qf8+ Kh5 38. g4+ fxg3 39. Qf7+ Kh6 40. hxg3 Qc1+ 41. Kg2 Qc2+ 42. Kh3 Qc8+ 43. g4 Qxg4+ 44. Kxg4 1/2-1/2

[Event "Blackpool op 40th"]
[Site "Blackpool"]
[Date "2016.03.12"]
[Round "3"]
[White "Phillips, David A"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "C04"]
[WhiteElo "1969"]
[BlackElo "2114"]
[PlyCount "65"]
[EventDate "2016.03.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. c3 e5 5. dxe5 Nxe5 6. Ngf3 Bg4 7. Qa4+ Bd7 8. Qb3 Nxf3+ 9. Nxf3 dxe4 10. Ne5 Be6 11. Qxb7 Bd6 12. Bb5+ Kf8 13. Qxe4 Nf6 14. Qe2 a6 15. Bc6 Rb8 16. 0-0 Rb6 17. Bf3 Rb5 18. Nc6 Qc8 19. Na7 Qb8 20. Nxb5 axb5 21. b3 c5 22. g3 h5 23. Rd1 h4 24. Rxd6 Qxd6 25. Bf4 Qb6 26. Qe5 hxg3 27. hxg3 Ke7 28. Rd1 c4 29. Be3 Qa6 30. Bc5+ Ke8 31. Qb8+ Bc8 32. Re1+ Kd8 33. Bb6+ 1-0

[Event "BCF-chT3Nb 1516 (4NCL)"]
[Site "England"]
[Date "2016.01.17"]
[Round "4.126"]
[White "Sreeves, Clement"]
[Black "Ottosen, David"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "2349"]
[BlackElo "2104"]
[PlyCount "118"]
[EventDate "2015.11.14"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]
[WhiteTeam "Alba"]
[BlackTeam "Manx Ravens"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. c4 e5 2. g3 Nc6 3. Nc3 Bc5 4. Bg2 Nf6 5. Nf3 d6 6. 0-0 0-0 7. d3 h6 8. a3 a6 9. b4 Ba7 10. Bb2 Be6 11. Rc1 Qd7 12. e3 Bh3 13. d4 Bxg2 14. Kxg2 exd4 15. exd4 d5 16. Ne5 Qd6 17. c5 Qe6 18. Re1 Rfe8 19. Qd3 Rad8 20. Nf3 Qc8 21. Rxe8+ Rxe8 22. Nd1 Ne7 23. Ne3 c6 24. a4 Ne4 25. Ne5 f6 26. f3 Ng5 27. N5g4 Bb8 28. Bc3 Qc7 29. Re1 Qd7 30. Bd2 Rf8 31. Nf2 f5 32. Nf1 f4 33. g4 Rf6 34. h4 Nf7 35. Qe2 Kf8 36. Nd3 h5 37. Ne5 Nxe5 38. dxe5 Rg6 39. e6 Qe8 40. Kh3 hxg4+ 41. fxg4 Rf6 42. Nh2 Rh6 43. Nf3 Qg6 44. b5 axb5 45. axb5 Nf5 46. Qf2 Nxh4 47. Nxh4 Qf6 48. bxc6 g5 49. Qf3 Rxh4+ 50. Kg2 bxc6 51. e7+ Ke8 52. Bc3 d4 53. Bxd4 Qh6 54. Bg7 Qg6 55. Qb3 f3+ 56. Kg1 Rh1+ 57. Kf2 Rh2+ 58. Kf1 Rh1+ 59. Kf2 Rh2+ 1/2-1/2

[Event "BCF-chT3Nb 1516 (4NCL)"]
[Site "England"]
[Date "2016.01.16"]
[Round "3.126"]
[White "Ottosen, David"]
[Black "Patrick, David A"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2104"]
[BlackElo "1861"]
[PlyCount "153"]
[EventDate "2015.11.14"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]
[WhiteTeam "Manx Ravens"]
[BlackTeam "Bradford DCA Knights III"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. Qf2 Qb6 10. f5 cxd4 11. Nxd4 Nxd4 12. Bxd4 Bc5 13. fxe6 fxe6 14. Bxc5 Qxc5 15. Qg3 Qd4 16. Qxg7 Qxe5+ 17. Qxe5 Nxe5 18. 0-0-0 0-0 19. Re1 Ng4 20. Be2 Nf6 21. Bf3 Kg7 22. Rhf1 Bd7 23. Re5 Rac8 24. Be2 h6 25. Rf3 b4 26. Rg3+ Kh8 27. Nd1 Ne4 28. Rh3 Kg7 29. Bxa6 Ra8 30. Bd3 Rxa2 31. Bxe4 Ra1+ 32. Kd2 dxe4 33. Rg3+ Kh7 34. Rxe4 Rf1 35. Ne3 Rf2+ 36. Kd3 Bb5+ 37. Kd4 Ra5 38. Rxe6 Rf4+ 39. Re4 Rf7 40. Nd5 Bc6 41. Re5 Ra1 42. Nxb4 Bb7 43. c4 Rf4+ 44. Kc5 Ra5+ 45. Kd6 Rxe5 46. Kxe5 Rxc4 47. Nd3 Rc2 48. b4 Bxg2 49. Nc5 Ba8 50. h3 Rb2 51. Nd7 Re2+ 52. Kd6 Rf2 53. b5 h5 54. b6 Kh6 55. Ra3 Bg2 56. Rc3 Rb2 57. Kc7 Bh1 58. Ne5 Ba8 59. Nc6 Kg5 60. Rc4 h4 61. Ra4 Bxc6 62. Kxc6 Rc2+ 63. Kb7 Rc3 64. Rb4 Rxh3 65. Kc6 Rc3+ 66. Kd7 Rd3+ 67. Ke7 Re3+ 68. Kf7 Rd3 69. b7 Rd7+ 70. Ke6 Rxb7 71. Rxb7 Kg4 72. Ke5 h3 73. Ke4 Kg3 74. Ke3 Kg2 75. Rb2+ Kg1 76. Kf3 Kh1 77. Kg3 1-0

[Event "Douglas PokerStars op"]
[Site "Douglas"]
[Date "2015.10.08"]
[Round "6"]
[White "Sipos, Silvester"]
[Black "Ottosen, David"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2003"]
[BlackElo "2096"]
[PlyCount "59"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 c5 4. c3 Nc6 5. Ne2 cxd4 6. cxd4 dxe4 7. Bxe4 Nf6 8. Bd3 g6 9. 0-0 Bg7 10. Nbc3 0-0 11. Bb5 Ne7 12. Bg5 a6 13. Bd3 Bd7 14. Qd2 Bc6 15. Rad1 Ned5 16. a3 Qc7 17. h3 Rac8 18. Rfe1 b5 19. Bh6 Qb7 20. Bxg7 Kxg7 21. Nxd5 Bxd5 22. Nf4 Bc6 23. Re5 Rfd8 24. Rde1 Rxd4 25. Nh5+ Nxh5 26. Rxh5 gxh5 27. Qg5+ Kf8 28. Qf6 Rxd3 29. Rxe6 Kg8 30. Qg5+ 1/2-1/2

[Event "Douglas PokerStars op"]
[Site "Douglas"]
[Date "2015.10.06"]
[Round "4"]
[White "Ottosen, David"]
[Black "Gaehwiler, Gabriel"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2096"]
[BlackElo "2328"]
[PlyCount "50"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Qd2 Be7 9. f4 exf4 10. Bxf4 Nc6 11. 0-0-0 Ne5 12. Qe1 Qc7 13. Nd4 0-0 14. Kb1 b5 15. Nf5 Rfc8 16. Qd2 Bxf5 17. exf5 b4 18. Na4 Qc6 19. b3 Nd5 20. Qe2 Bf6 21. Rg1 Nf3 22. Qc4 Nxg1 23. Qxc6 Rxc6 24. Bc4 Rxc4 25. bxc4 Ne2 0-1

[Event "Douglas PokerStars op"]
[Site "Douglas"]
[Date "2015.10.04"]
[Round "2"]
[White "Ottosen, David"]
[Black "Ansell, Simon"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2096"]
[BlackElo "2360"]
[PlyCount "91"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N1c3 a6 8. Na3 Nf6 9. Be2 0-0 10. Nc2 Be6 11. 0-0 Rc8 12. b3 b5 13. cxb5 axb5 14. Qd3 Na7 15. Ne3 b4 16. Ncd5 Nc6 17. Nc2 Rb8 18. Bd2 Bxd5 19. exd5 e4 20. Qe3 Nxd5 21. Qxe4 Nc3 22. Bxc3 d5 23. Qd3 bxc3 24. Bf3 Bf6 25. Qxd5 Ne5 26. Rfd1 Qc8 27. Be4 Rd8 28. Qa5 Qg4 29. f3 Qg5 30. Qa7 Ng6 31. Qe3 Qa5 32. b4 Qc7 33. a4 Be5 34. a5 Bxh2+ 35. Kf1 Qc4+ 36. Qe2 Qe6 37. Nd4 Rxd4 38. Rxd4 Be5 39. Bxg6 Bxd4 40. Qxe6 fxe6 41. Bc2 Rxb4 42. Ke2 Rb7 43. Kd3 e5 44. a6 Rc7 45. f4 Ba7 46. fxe5 1/2-1/2

[Event "Douglas PokerStars op"]
[Site "Douglas"]
[Date "2015.10.03"]
[Round "1"]
[White "Pert, Richard G"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "C04"]
[WhiteElo "2450"]
[BlackElo "2096"]
[PlyCount "63"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Bd3 f6 7. exf6 Qxf6 8. Nf1 Bd6 9. Ne3 0-0 10. 0-0 Nb4 11. Ng4 Qe7 12. Be2 c5 13. c3 Nc6 14. Re1 Bf4 15. h3 Qd6 16. Bb5 cxd4 17. cxd4 Nf6 18. Nge5 Ne4 19. Bxf4 Rxf4 20. Bxc6 bxc6 21. Qc1 Qf8 22. Qxc6 Rb8 23. Rac1 Nd6 24. b3 Rb6 25. Qc5 Ra6 26. a4 Bb7 27. Qc7 Ba8 28. Qd7 Rf6 29. Re3 Rb6 30. Qc7 Rb7 31. Qa5 Nf7 32. Rec3 1-0

[Event "Red Deer Battle of Alberta"]
[Site "Red Deer"]
[Date "2014.09.13"]
[Round "1.12"]
[White "Karmali, Hafiz"]
[Black "Ottosen, David"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "2039"]
[BlackElo "2128"]
[PlyCount "62"]
[EventDate "2014.09.13"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "South"]
[BlackTeam "North"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "CAN"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Nc3 c5 7. Be3 cxd4 8. Bxd4 Nf6 9. a3 Be7 10. Nf3 Nc6 11. Be3 0-0 12. Qc2 Ng4 13. Bf4 e5 14. Bg3 f5 15. Rd1 Qe8 16. h3 Nd4 17. Nxd4 exd4 18. Ne2 Nf6 19. Rxd4 Bc5 20. Rd1 Ne4 21. Qd3 f4 22. Bh4 Bf5 23. Qd5+ Kh8 24. f3 Qh5 25. fxe4 Qxh4+ 26. g3 fxg3 27. Bg2 Bf2+ 28. Kf1 Bg6 29. Qxb7 Rab8 30. Qc6 Rxb2 31. e5 Bh5 0-1

[Event "Red Deer Battle of Alberta"]
[Site "Red Deer"]
[Date "2014.09.13"]
[Round "2.12"]
[White "Ottosen, David"]
[Black "Karmali, Hafiz"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "2128"]
[BlackElo "2039"]
[PlyCount "82"]
[EventDate "2014.09.13"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "North"]
[BlackTeam "South"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "CAN"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. d4 d6 7. cxd6 cxd6 8. Nxd5 exd5 9. Nf3 Nc6 10. Bd3 Bg4 11. 0-0 Be7 12. h3 Bh5 13. exd6 Qxd6 14. Be3 0-0 15. Rc1 Bg6 16. Re1 Rac8 17. Qb3 Bxd3 18. Qxd3 Bf6 19. a3 Rfe8 20. b4 Qd7 21. Qb3 b6 22. Qd3 Ne7 23. Ne5 Qf5 24. Qa6 Bxe5 25. dxe5 Nc6 26. b5 Nxe5 27. Rxc8 Rxc8 28. Qxa7 Nc4 29. Bxb6 d4 30. Bxd4 Qxb5 31. a4 Qd5 32. Qc5 Qxc5 33. Bxc5 f6 34. Bb4 Rb8 35. Bc5 Rc8 36. Ba7 Nb2 37. a5 Nd3 38. Re7 Nb4 39. Rb7 Nc6 40. a6 Ra8 41. Be3 Rxa6 1/2-1/2

[Event "Red Deer Battle of Alberta"]
[Site "Red Deer"]
[Date "2013.09.07"]
[Round "1.10"]
[White "Ottosen, David"]
[Black "Shi, Diwen"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "2118"]
[BlackElo "1892"]
[PlyCount "126"]
[EventDate "2013.09.07"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bg5 Bg7 7. Bb5+ Bd7 8. Qe2 a6 9. Bxd7+ Nbxd7 10. 0-0-0 Qa5 11. f4 Rc8 12. Nb3 Qc7 13. Rhe1 h6 14. Bh4 e6 15. Qd2 Nh5 16. e5 dxe5 17. fxe5 Bxe5 18. Rxe5 Nxe5 19. Qd4 g5 20. Re1 f6 21. Bf2 Kf7 22. Kb1 Qc4 23. Qd1 Qg4 24. Ne4 Rcd8 25. Nd6+ Kg6 26. Bb6 Qb4 27. Bc5 Qa4 28. c3 Qc6 29. Qc2+ Kg7 30. Nd4 Qd7 31. g3 b6 32. Ba3 Kg8 33. Qe2 Ng7 34. Ne4 Qf7 35. Qxa6 Kh7 36. Qxb6 Rb8 37. Qa6 Rhc8 38. Qf1 Ne8 39. Qh3 Rb6 40. Ka1 Ra8 41. Rf1 Qg6 42. Nc5 Ng7 43. Qg2 Rd8 44. Ne4 f5 45. Be7 Rdb8 46. Nf6+ Kh8 47. Qe2 Nc6 48. Nxc6 Rxc6 49. Qe5 Rb7 50. Rd1 Rc8 51. Bd6 Re7 52. Ba3 Rf7 53. Nd7 f4 54. gxf4 gxf4 55. Nb6 Rg8 56. Bc5 Rf5 57. Qd6 f3 58. Bf2 Qg2 59. Qd4 e5 60. Qe3 Kh7 61. Nd5 Rd8 62. a3 Rxd5 63. Rxd5 Qf1+ 0-1

[Event "Red Deer Battle of Alberta"]
[Site "Red Deer"]
[Date "2013.09.07"]
[Round "2.10"]
[White "Shi, Diwen"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "1892"]
[BlackElo "2118"]
[PlyCount "55"]
[EventDate "2013.09.07"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 a6 7. Qg4 f5 8. Qg3 c5 9. Nf3 Nc6 10. dxc5 Nxc5 11. Be2 b5 12. a3 Qc7 13. Bf4 Kf8 14. Rd1 Ne4 15. Nxe4 dxe4 16. Ng5 Nd8 17. Rd2 Nf7 18. Bh5 g6 19. Nxh7+ Rxh7 20. Qxg6 Rxh5 21. Qxh5 Bb7 22. Qg6 Qc6 23. h5 Rd8 24. Bh6+ Nxh6 25. Qxh6+ Kf7 26. Qh7+ Ke8 27. Qg8+ Bf8 28. Qg6+ 1-0

[Event "Blackpool op 35th"]
[Site "Blackpool"]
[Date "2011.03.11"]
[Round "1"]
[White "Cooper, Lawrence"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2316"]
[BlackElo "2133"]
[PlyCount "83"]
[EventDate "2011.03.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. c4 e6 4. e3 Nf6 5. Nc3 Nbd7 6. Qc2 Bd6 7. Be2 0-0 8. 0-0 Re8 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 e5 12. Bg5 exd4 13. Qxd4 Qc7 14. Rfe1 Ne5 15. Bf4 Bf5 16. Bg3 Nxf3+ 17. Bxf3 Bxg3 18. hxg3 Be6 19. b3 a6 20. Rad1 Qa5 21. Qb2 Rad8 22. b4 Qa4 23. Be2 b5 24. cxb5 cxb5 25. a3 Qb3 26. Qxb3 Bxb3 27. Rxd8 Rxd8 28. Rc1 g6 29. Rc6 Ra8 30. Bf3 Ra7 31. Rb6 Bc4 32. Rb7 Ra8 33. Rxf7 Kxf7 34. Bxa8 Ke6 35. Bb7 Ke5 36. f4+ Kd4 37. Kf2 Kc3 38. Ke3 Kb3 39. Kd4 Kxa3 40. Kc5 h5 41. Bxa6 Ka4 42. Bb7 1-0

[Event "Edmonton Ottosen op"]
[Site "Edmonton"]
[Date "2008.08.07"]
[Round "1"]
[White "McKay, Arnold"]
[Black "Ottosen, David"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1834"]
[BlackElo "2109"]
[PlyCount "62"]
[EventDate "2008.08.07"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "CAN"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Nf3 Nf6 6. e3 Bf5 7. a3 e6 8. Bb5 Nd7 9. Bd2 Bd6 10. Rc1 0-0 11. 0-0 g5 12. Bxc6 bxc6 13. e4 dxe4 14. Nxg5 Nf6 15. Qe2 Kh8 16. f3 exf3 17. Qxf3 Qb6 18. Ne2 Nd5 19. Qh5 Bg6 20. Qh6 Qxb2 21. Rxc6 Be7 22. Nc3 Rad8 23. Rb1 Bxb1 24. Nxb1 Qxb1+ 25. Rc1 Qg6 26. Qh4 h6 27. Nxf7+ Rxf7 28. Qh3 Bg5 29. Bxg5 Qxg5 30. Re1 Nf4 31. Qf3 Qxg2+ 0-1

[Event "Battle of Alberta"]
[Site "Red Deer"]
[Date "2006.07.08"]
[Round "1"]
[White "Hansen, Eric"]
[Black "Ottosen, David"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2023"]
[BlackElo "2077"]
[PlyCount "80"]
[EventDate "2006.07.08"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "CAN"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Qb6 6. Na3 a6 7. Bf1 d6 8. c3 Nf6 9. d4 cxd4 10. cxd4 Bg4 11. Nc4 Qc7 12. d5 b5 13. Ne3 Bxf3 14. gxf3 Nd8 15. a4 Rb8 16. Nc2 Nd7 17. Nd4 bxa4 18. Bxa6 Qb6 19. Rxa4 0-0 20. Bf1 Nc5 21. Rc4 e5 22. Nc2 Nb3 23. Rb4 Qc7 24. Be3 f5 25. Rxb8 Qxb8 26. Na3 Nd4 27. Bxd4 exd4 28. Nc4 Nf7 29. f4 fxe4 30. Rxe4 Qb7 31. Rxd4 Bxd4 32. Qxd4 Qd7 33. Ne3 g5 34. Qf6 Ne5 35. Qxg5+ Kh8 36. Kh1 Nf3 37. Qg3 Nd4 38. Bd3 Qf7 39. Qh4 Rg8 40. Ng4 Qxd5+ 0-1

[Event "Battle of Alberta"]
[Site "Red Deer"]
[Date "2006.07.08"]
[Round "2"]
[White "Ottosen, David"]
[Black "Hansen, Eric"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2077"]
[BlackElo "2023"]
[PlyCount "77"]
[EventDate "2006.07.08"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "CAN"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Rf8 10. 0-0 c6 11. b4 h6 12. Be3 Kh7 13. Nd2 Ng4 14. Bc5 Rd8 15. Rad1 Na6 16. Be7 Rd7 17. Bh4 Rd6 18. c5 Rd4 19. a3 Be6 20. Nf3 Rxd1 21. Rxd1 Nc7 22. Bg3 f5 23. h3 f4 24. Bh4 Nf6 25. Bxf6 Bxf6 26. Rd6 Kg7 27. b5 Be7 28. bxc6 Bxd6 29. cxd6 Ne8 30. d7 Nf6 31. cxb7 Rb8 32. d8Q Rxd8 33. Nxe5 Rb8 34. Ba6 Nd7 35. Nc6 Re8 36. Nb5 Rh8 37. Nbxa7 Bb3 38. Nc8 Re8 39. Bb5 1-0

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.25"]
[Round "9"]
[White "Jimenez Molina, Juan Leon"]
[Black "Ottosen, David"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2207"]
[BlackElo "2113"]
[PlyCount "103"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 c6 2. c4 Nf6 3. g3 d5 4. Bg2 e6 5. 0-0 Bd6 6. d4 0-0 7. Qc2 Nbd7 8. Nbd2 e5 9. cxd5 cxd5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Nf3 Bd6 13. Be3 Be6 14. Rfd1 Qa5 15. Bd4 Ne4 16. Nd2 Rac8 17. Qd3 f5 18. Nb3 Qa4 19. e3 b6 20. f3 Nc5 21. Qd2 Rf7 22. Nc1 a5 23. Ne2 Rd7 24. Nc3 Qc6 25. Bf1 Qb7 26. Bb5 Rdd8 27. Qe2 Qf7 28. Rd2 Be7 29. Rad1 Qg6 30. Qg2 Bf7 31. Be2 Ne6 32. Ba6 Rc7 33. Be5 Ra7 34. Qe2 Bc5 35. Kh1 d4 36. Bc4 d3 37. Rxd3 Rxd3 38. Rxd3 h5 39. Nd5 Kh7 40. Rd1 Be8 41. Nf4 Nxf4 42. gxf4 Bc6 43. Bd5 Rd7 44. Rg1 Qh6 45. Bxc6 Qxc6 46. Rg5 g6 47. Rg1 Qd5 48. Qg2 Qc6 49. Qe2 Qd5 50. Qg2 Qc6 51. Qe2 Qd5 52. Qg2 1/2-1/2

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.22"]
[Round "8"]
[White "Ottosen, David"]
[Black "Arias Formoso, Rodolfo"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2113"]
[BlackElo "2062"]
[PlyCount "79"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. e3 Bf5 6. Qb3 b5 7. cxd5 cxd5 8. Ne5 Qd6 9. e4 Bxe4 10. Bf4 Qe6 11. a4 g5 12. Be3 Bh6 13. axb5 0-0 14. Nxe4 Nxe4 15. Bd3 Nd6 16. 0-0 f6 17. Nf3 Nd7 18. Rfe1 Qf7 19. bxa6 Rfb8 20. Qa4 Nb6 21. Qc6 Nbc4 22. Bxc4 dxc4 23. Nd2 Rc8 24. Qd7 Ne8 25. Ne4 Rc7 26. Qh3 Bf8 27. Ra5 Rca7 28. Rea1 Nc7 29. Nc5 e6 30. d5 exd5 31. Qf5 Kg7 32. Bd4 h6 33. Nd7 Rxa6 34. Rxa6 Rxa6 35. Rxa6 Nxa6 36. Nxf6 Kh8 37. Nxd5+ Kg8 38. Nf6+ Kh8 39. Qc8 Nb4 40. Nd7+ 1-0

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.21"]
[Round "7"]
[White "Alfaro Murillo, Carlos Andres"]
[Black "Ottosen, David"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2058"]
[BlackElo "2113"]
[PlyCount "25"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Nf3 Qxd5 5. Be2 e6 6. 0-0 Nc6 7. h3 Bh5 8. Be3 0-0-0 9. c4 Qf5 10. Nc3 Bc5 11. Nh4 Bxe2 12. Qxe2 Qxf2+ 13. Bxf2 1-0

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.20"]
[Round "6"]
[White "Ottosen, David"]
[Black "Trejos Perez, Jose Enrique"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2113"]
[BlackElo "2203"]
[PlyCount "55"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bg5 Bg7 7. Bb5+ Bd7 8. Qe2 0-0 9. 0-0-0 Qa5 10. f4 Bg4 11. Nf3 h6 12. Bh4 Nh5 13. Bxe7 Rc8 14. Bxd6 Rxc3 15. bxc3 Bxc3 16. Qc4 Nxf4 17. Qb3 Nxg2 18. Rd3 Bg7 19. Rg1 Nc6 20. Bxc6 bxc6 21. Bb4 Qc7 22. Rxg2 c5 23. Qd5 Rc8 24. Rxg4 cxb4 25. Qb3 Qb6 26. e5 a5 27. Rf4 Qc7 28. Rfd4 1-0

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.16"]
[Round "5"]
[White "Bermudez Vives, Sergio"]
[Black "Ottosen, David"]
[Result "1/2-1/2"]
[ECO "C13"]
[WhiteElo "2127"]
[BlackElo "2113"]
[PlyCount "106"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 b6 8. Qd2 Bb7 9. Bd3 Nd7 10. 0-0-0 g6 11. Qf4 Bg7 12. h4 h5 13. Kb1 Bh6 14. Qg3 Nf6 15. Neg5 Ng4 16. Rhe1 Qd6 17. Ne5 Bxg5 18. hxg5 Nxe5 19. dxe5 Qb4 20. c3 Qg4 21. Qxg4 hxg4 22. Be4 Bxe4+ 23. Rxe4 g3 24. f4 Rh2 25. Re2 Rd8 26. Rf1 Rd5 27. Kc2 Ra5 28. a3 Ra4 29. Kd3 Rh4 30. Re4 Ra5 31. c4 c5 32. Rf3 b5 33. Rxg3 bxc4+ 34. Rxc4 Rb5 35. Kc3 Rh1 36. Kc2 Re1 37. b3 Re2+ 38. Kc3 Rf2 39. a4 Rb7 40. Rf3 Rxg2 41. Rxc5 Rg1 42. Kc2 Re1 43. Rc4 Re2+ 44. Kc3 Re1 45. Kd2 Rb1 46. Kc2 Re1 47. b4 Ra1 48. a5 Ra4 49. Kb3 Rxa5 50. Rc7 Rxc7 51. bxa5 Rd7 52. Kb4 Rb7+ 53. Kc5 a6 1/2-1/2

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.15"]
[Round "4"]
[White "Ottosen, David"]
[Black "Jimenez, Alvarado Alonso"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2113"]
[BlackElo "2066"]
[PlyCount "95"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 d6 6. 0-0 Bg4 7. h3 Bxf3 8. Bxf3 e6 9. d3 Nge7 10. Be3 0-0 11. Ne2 Nd4 12. Bg2 Rb8 13. c3 Nxe2+ 14. Qxe2 b5 15. d4 cxd4 16. cxd4 d5 17. Bg5 dxe4 18. Qxe4 h6 19. Bf4 Rc8 20. Qb7 Nd5 21. Be5 Bxe5 22. dxe5 Qb6 23. Bxd5 exd5 24. Qxd5 Rc5 25. Qd4 Re8 26. Rae1 Qc7 27. e6 Rxe6 28. Rxe6 fxe6 29. Qe3 Kg7 30. Qxe6 Re5 31. Qg4 h5 32. Qd4 Kh7 33. Rd1 a6 34. Qd7+ Qxd7 35. Rxd7+ Kh6 36. Kf1 Rc5 37. Rd2 h4 38. b3 hxg3 39. fxg3 Rc3 40. Kg2 a5 41. h4 a4 42. bxa4 bxa4 43. Kh3 Re3 44. Kg4 Rc3 45. Kf4 Rc4+ 46. Ke5 Rc3 47. g4 Rh3 48. h5 1/2-1/2

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.13"]
[Round "3"]
[White "Rodriguez, Adrian"]
[Black "Ottosen, David"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "2113"]
[BlackElo "2113"]
[PlyCount "50"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e6 fxe6 5. e4 Ne5 6. Qh5+ Ng6 7. Nf3 Bb4+ 8. Bd2 Bxd2+ 9. Nbxd2 Qf6 10. 0-0-0 Nc6 11. Bd3 e5 12. c5 b6 13. cxb6 axb6 14. Kb1 Ba6 15. Bxa6 Rxa6 16. Qg4 0-0 17. Qxd7 Nge7 18. Qd3 Rfa8 19. Qc4+ Kh8 20. a3 b5 21. Qc5 b4 22. axb4 Ra4 23. b5 Nb4 24. Nb3 Qe6 25. Nfd2 Ra1+ 0-1

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.12"]
[Round "2"]
[White "Ottosen, David"]
[Black "Barrios, Carlos"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2113"]
[BlackElo "2034"]
[PlyCount "32"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Nc6 7. Be3 Be7 8. Qd2 Bf5 9. 0-0-0 0-0 10. Qd5 Qd7 11. Bd3 Bxd3 12. Rxd3 Qe6 13. Re1 Qxd5 14. Rxd5 Rfe8 15. Bf4 Bf6 16. Rdd1 h6 1/2-1/2

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.11"]
[Round "1"]
[White "Murillo Arguedas, Jaime"]
[Black "Ottosen, David"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2009"]
[BlackElo "2113"]
[PlyCount "80"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Nc3 Bd6 7. Nb5 Bb4+ 8. Bd2 Bxd2+ 9. Qxd2 a6 10. Nc3 Bxf3 11. gxf3 Nc6 12. 0-0-0 Nge7 13. Qg5 Nf5 14. Qxd8+ Rxd8 15. d5 Ne5 16. dxe6 Rxd1+ 17. Nxd1 fxe6 18. Bh3 Nxf3 19. Bg4 N3h4 20. Re1 Kf7 21. Ne3 Rd8 22. c3 Nxe3 23. Rxe3 Nf5 24. Re4 Kf6 25. Kc2 Rd6 26. a4 g5 27. f4 gxf4 28. Rxf4 Ke5 29. Rb4 Ne3+ 30. Kc1 c5 31. Rxb7 Nxg4 32. Rxh7 Ne3 33. b4 cxb4 34. cxb4 Rb6 35. b5 axb5 36. axb5 Rxb5 37. Kd2 Nf5 38. h4 Kf4 39. Rh8 e5 40. Rf8 Rb2+ 0-1

[Event "Edmonton June-C"]
[Site "Edmonton"]
[Date "2004.06.06"]
[Round "4"]
[White "Ottosen, David"]
[Black "Nguyen, Kim David"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2089"]
[BlackElo "2079"]
[PlyCount "53"]
[EventDate "2004.06.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg1 b5 7. g4 Bb7 8. Bd3 Nc6 9. Be3 b4 10. g5 bxc3 11. gxf6 gxf6 12. Qh5 cxb2 13. Rb1 Nxd4 14. Bxd4 e5 15. Rxb2 Bc6 16. Be3 Rb8 17. Bc4 d5 18. exd5 Rxb2 19. dxc6 Qe7 20. Bc5 Qc7 21. Bxf7+ Kd8 22. Qd1+ Kc8 23. Be6+ Kb8 24. Rg7 Qa5+ 25. Kf1 Qb5+ 26. Kg1 Rb1 27. c7+ 1-0

[Event "Edmonton June-C"]
[Site "Edmonton"]
[Date "2004.06.06"]
[Round "5"]
[White "Rekhson, Vladislav"]
[Black "Ottosen, David"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2026"]
[BlackElo "2089"]
[PlyCount "44"]
[EventDate "2004.06.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. f3 exf3 5. Nxf3 c5 6. d5 Nf6 7. Bg5 Be7 8. Bb5+ Bd7 9. dxe6 fxe6 10. Bc4 Nc6 11. 0-0 0-0 12. Qe2 Kh8 13. Rad1 Nd4 14. Qe5 b5 15. Nxd4 cxd4 16. Nxb5 Qb6 17. Kh1 Ng4 18. Qxd4 Qxd4 19. Rxd4 Rxf1+ 20. Bxf1 Nf2+ 21. Kg1 Bc5 22. Rxd7 Nh3+ 1/2-1/2

[Event "Edmonton June-C"]
[Site "Edmonton"]
[Date "2004.06.05"]
[Round "2"]
[White "Gustafson, Dale L"]
[Black "Ottosen, David"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2022"]
[BlackElo "2089"]
[PlyCount "129"]
[EventDate "2004.06.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. c3 Qa5 3. Nf3 Nc6 4. Bc4 e6 5. 0-0 b5 6. Bb3 Bb7 7. d4 Nce7 8. Bc2 Ng6 9. dxc5 b4 10. Be3 Nf6 11. e5 Nd5 12. Bd4 Bxc5 13. cxb4 Qxb4 14. a3 Qb6 15. Nc3 Bxd4 16. Nxd4 Nxe5 17. Na4 Qd6 18. Rc1 Qe7 19. f4 Ne3 20. Qe2 Nxf1 21. fxe5 Nxh2 22. Be4 Qh4 23. Bxb7 Qxd4+ 24. Kxh2 Qf4+ 25. g3 Qxc1 26. Bxa8 0-0 27. Be4 f5 28. Bc2 Rc8 29. Bb3 Qh6+ 30. Kg2 Rc1 31. Bd1 f4 32. Nc3 Qg5 33. Qd3 fxg3 34. Qxd7 h5 35. Qe8+ Kh7 36. Qxh5+ Qxh5 37. Bxh5 Rc2+ 38. Kxg3 Rxb2 39. Ne4 Rb3+ 40. Kf4 Rxa3 41. Bf7 Ra1 42. Bxe6 Kg6 43. Bf5+ Kf7 44. e6+ Ke7 45. Nc3 Re1 46. Kg5 a5 47. Kg6 Rg1+ 48. Kh7 g5 49. Kg6 g4 50. Nd5+ Kd6 51. Nf4 g3 52. Kf6 Re1 53. Ng2 Re2 54. Bh3 Rf2+ 55. Kg5 a4 56. Ne3 Re2 57. Kf4 g2 58. Bxg2 Kxe6 59. Bd5+ Kd6 60. Bg8 Kc5 61. Ke4 Rd2 62. Nf5 a3 63. Ke3 Rd8 64. Ba2 Kb4 65. Nd4 1/2-1/2

[Event "Edmonton June-C"]
[Site "Edmonton"]
[Date "2004.06.05"]
[Round "3"]
[White "Ottosen, David"]
[Black "Yearwood, Roy"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2089"]
[BlackElo "2089"]
[PlyCount "65"]
[EventDate "2004.06.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 b6 5. e4 Bb7 6. f3 c5 7. d5 d6 8. Bd3 0-0 9. Nge2 b5 10. b3 bxc4 11. bxc4 Nbd7 12. 0-0 Re8 13. Nd1 exd5 14. cxd5 Ne5 15. Bb5 Rf8 16. f4 Ng6 17. Ne3 a6 18. Bd3 Re8 19. Rb1 Bc8 20. a3 Ba5 21. Nc4 Bc7 22. h3 Qe7 23. Ng3 h5 24. Bb2 h4 25. Bxf6 Qxf6 26. e5 dxe5 27. fxe5 Qd8 28. Bxg6 fxg6 29. Qxg6 Re7 30. Nh5 Kh8 31. d6 Be6 32. Rf4 Bxc4 33. Nf6 1-0

[Event "Edmonton June op"]
[Site "Edmonton"]
[Date "2004.06.04"]
[Round "1"]
[White "Ottosen, David"]
[Black "Kazakevich, Anastasia"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2089"]
[PlyCount "35"]
[EventDate "2004.06.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Qf3 Nc6 4. Nge2 Nb4 5. Kd1 Be7 6. Qg3 g6 7. Nb5 d6 8. e5 d5 9. h4 h5 10. d4 Nc6 11. Bg5 Bxg5 12. Nd6+ Kf8 13. hxg5 Qc7 14. Rh3 Rh7 15. Qf4 f5 16. gxf6 Nxe5 17. Qxe5 Rd7 18. Rh4 1-0

[Event "Edmonton June-C"]
[Site "Edmonton"]
[Date "2004.06.04"]
[Round "1"]
[White "Ottosen, David"]
[Black "Kazakevich, Anastasia"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2089"]
[BlackElo "1984"]
[PlyCount "51"]
[EventDate "2004.06.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Qf3 Nc6 4. Nge2 Nb4 5. Kd1 Be7 6. Qg3 g6 7. Nb5 d6 8. e5 d5 9. h4 h5 10. d4 Nc6 11. Bg5 Bxg5 12. Nd6+ Kf8 13. hxg5 cxd4 14. Qf4 Qc7 15. g4 h4 16. Rh3 Rh7 17. Nxd4 Nxd4 18. Qxd4 Ne7 19. Bd3 Nc6 20. Qf4 f5 21. gxf6 Nxe5 22. Qxe5 Rd7 23. Bxg6 Qxd6 24. Rxh4 Kg8 25. f7+ Kf8 26. Rh8+ 1-0

[Event "Southern Alberta op"]
[Site "Calgary"]
[Date "2002.11.16"]
[Round "2"]
[White "Lovi, Aaron"]
[Black "Ottosen, David"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1631"]
[BlackElo "2025"]
[PlyCount "110"]
[EventDate "2002.11.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Nf3 Qxd5 5. Be2 e6 6. 0-0 Nc6 7. c4 Qf5 8. Nc3 0-0-0 9. Be3 h5 10. d5 exd5 11. cxd5 Nxd5 12. Nxd5 Qxd5 13. Qa4 Qa5 14. Qf4 Bd6 15. Qxf7 Ne5 16. Qb3 Nxf3+ 17. gxf3 Bh3 18. Rfd1 Qe5 19. f4 Qe4 20. f3 Qg6+ 21. Kf2 Qg2+ 22. Ke1 Bb4+ 23. Qxb4 Qh1+ 24. Kf2 Qxh2+ 25. Ke1 Rde8 26. Qd4 Qg3+ 27. Bf2 Qxf3 28. Rd2 Bg4 29. Qd8+ Rxd8 30. Rxd8+ Rxd8 31. Bxf3 Bxf3 32. Bh4 Rd4 33. Bg5 Re4+ 34. Kd2 Kd7 35. Rc1 Re2+ 36. Kc3 g6 37. Rd1+ Kc6 38. Rd8 b5 39. Rg8 Be4 40. Re8 Rc2+ 41. Kb3 Bf5 42. Re3 a5 43. Rc3+ Rxc3+ 44. Kxc3 b4+ 45. Kd4 Kb5 46. a3 c5+ 47. Ke3 Kc4 48. axb4 cxb4 49. Kd2 Kb3 50. Kc1 a4 51. Bf6 a3 52. bxa3 bxa3 53. Kd2 a2 54. Ke3 Kc2 55. Kf2 Kb1 0-1

[Event "Southern Alberta op"]
[Site "Calgary"]
[Date "2002.11.16"]
[Round "3"]
[White "Ottosen, David"]
[Black "Hughey, Micah"]
[Result "1/2-1/2"]
[ECO "C89"]
[WhiteElo "2025"]
[BlackElo "2032"]
[PlyCount "26"]
[EventDate "2002.11.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 Bb7 8. c3 d5 9. exd5 Nxd5 10. d4 exd4 11. Nxd4 Nxd4 12. Qxd4 0-0 13. Nd2 c5 1/2-1/2

[Event "Southern Alberta op"]
[Site "Calgary"]
[Date "2002.11.16"]
[Round "1"]
[White "Ottosen, David"]
[Black "Kaminski, Victor Kazimierz"]
[Result "1/2-1/2"]
[ECO "C16"]
[WhiteElo "2025"]
[BlackElo "1719"]
[PlyCount "101"]
[EventDate "2002.11.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Bxc3+ 5. bxc3 Ne7 6. Qg4 0-0 7. Bg5 c5 8. Bf6 g6 9. Qh4 Qa5 10. Ne2 Nf5 11. Qf4 Nd7 12. g4 Ng7 13. h4 Nxf6 14. exf6 Ne8 15. h5 Qc7 16. Qf3 e5 17. g5 e4 18. Qf4 cxd4 19. cxd4 Bf5 20. hxg6 fxg6 21. Qxc7 Nxc7 22. Nf4 Rad8 23. Bh3 Bxh3 24. Rxh3 Rd6 25. Rb1 b6 26. Rbb3 Ne6 27. Nxe6 Rxe6 28. Rbc3 Ree8 29. Rc7 Rf7 30. Rxf7 Kxf7 31. Rxh7+ Ke6 32. Rxa7 Kf5 33. Rd7 Kxg5 34. f7 Rf8 35. Rxd5+ Kf4 36. Rd7 e3 37. Re7 exf2+ 38. Kxf2 Kf5 39. d5 Kf6 40. d6 Rxf7 41. Rc7 Ke6+ 42. Kg3 Rxc7 43. dxc7 Kd7 44. Kg4 Kxc7 45. Kg5 Kd6 46. Kxg6 Ke6 47. a3 b5 48. Kg5 Kd5 49. Kf5 Kc4 50. Ke5 Kc3 51. Kd5 1/2-1/2

[Event "Alberta op"]
[Site "Calgary"]
[Date "2002.10.15"]
[Round "2"]
[White "Cacho, Belly"]
[Black "Ottosen, David"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "1730"]
[BlackElo "2000"]
[PlyCount "72"]
[EventDate "2002.10.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Bc4 0-0 9. Qd2 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. Kb1 Nc4 13. Bxc4 Rxc4 14. Nb3 a5 15. Qd3 Rc8 16. g4 a4 17. Nd4 a3 18. g5 Nh5 19. b3 e6 20. Ncb5 d5 21. exd5 exd5 22. Nxa3 Qa5 23. Nab5 Rc5 24. a4 Rfc8 25. c3 Rxb5 26. Bd2 Qxa4 27. Kc2 Qa2+ 28. Kc1 Bxd4 29. Qc2 Qxc2+ 30. Kxc2 Bf5+ 31. Kb2 Be5 32. Rhe1 d4 33. c4 d3+ 34. Bc3 Bxc3+ 35. Kxc3 Rb6 36. Re7 Ra6 0-1

[Event "Alberta op"]
[Site "Calgary"]
[Date "2002.10.15"]
[Round "1"]
[White "Ottosen, David"]
[Black "Chapman, James"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2000"]
[BlackElo "1651"]
[PlyCount "47"]
[EventDate "2002.10.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5 11. h3 Nf6 12. Qd2 Qa5 13. Nb3 Qb4 14. a3 Qb6 15. e5 dxe5 16. Qxg5 Bh6 17. Qxe5 Nc6 18. Nd5 Qxf2+ 19. Bxf2 Nxe5 20. Nc7+ Kf8 21. Nxa8 Nd5 22. Nb6 Ne3 23. Bxe3 Bxe3 24. Nxc8 1-0

[Event "Alberta op"]
[Site "Calgary"]
[Date "2002.10.14"]
[Round "6"]
[White "Ottosen, David"]
[Black "Huber, Gregory"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "2000"]
[BlackElo "2301"]
[PlyCount "42"]
[EventDate "2002.10.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Bb4+ 7. Nc3 Nc6 8. Be3 Bxc3+ 9. bxc3 Qa5 10. 0-0 0-0 11. f4 d6 12. c5 Qxc5 13. Qf3 Qxc3 14. Nxc6 Qxd3 15. Ne7+ Kh8 16. e5 dxe5 17. fxe5 Nd5 18. Bc5 Qxf3 19. Rxf3 Nxe7 20. Bxe7 Re8 21. Rxf7 Bd7 1/2-1/2

