[Event "Victoria Grand Pacific op 17th"]
[Site "Victoria"]
[Date "2024.03.30"]
[Round "3"]
[White "Patterson, Roger"]
[Black "Malek, Omid"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1981"]
[BlackElo "2202"]
[PlyCount "132"]
[EventDate "2024.03.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Qc2 e6 5. b3 Nbd7 6. Bb2 Bd6 7. Nc3 0-0 8. Be2 a6 9. d4 b5 10. 0-0 Bb7 11. c5 Bc7 12. b4 a5 13. a3 e5 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. Bf3 Qb8 17. h3 Re8 18. Ne2 Qc7 19. Bxe5 Rxe5 20. Nd4 a4 21. Be2 Rae8 22. Bd3 Bc8 23. Bf5 g6 24. Bxc8 Qxc8 25. Rad1 Re4 26. Rd3 Nd7 27. Rc3 R4e7 28. Nf3 Nf6 29. Rd3 Ne4 30. Nd4 f5 31. Rfd1 Qc7 32. f4 Nf6 33. Qf2 Re4 34. Qf3 Qd7 35. Rc1 R8e7 36. Kf2 Rg7 37. Rf1 h5 38. Kg1 Re8 39. Qd1 Rge7 40. Qf3 Ne4 41. Qd1 Rg7 42. Nf3 Qe6 43. Ne5 Qf6 44. Nf3 h4 45. Qa1 Qd8 46. Nd4 Rc7 47. Rf3 Qf6 48. Nc2 Qf7 49. Nd4 Ng3 50. Qe1 Qf6 51. Qd1 Rce7 52. Qd2 Re4 53. Rf2 Kh7 54. Rf3 R8e7 55. Qf2 Rg7 56. Kh2 g5 57. fxg5 Rxg5 58. Rf4 Qe5 59. Kg1 Kg6 60. Kh2 Kh6 61. Kg1 Kg6 62. Rd1 Rxe3 63. Nf3 Ne2+ 64. Qxe2 Qxf4 65. Nxh4+ Kh7 66. Qd2 Rgg3 0-1

[Event "Victoria Grand Pacific op 17th"]
[Site "Victoria"]
[Date "2024.03.29"]
[Round "1"]
[White "Patterson, Roger"]
[Black "Reeve, Jeff"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "1981"]
[BlackElo "2232"]
[PlyCount "66"]
[EventDate "2024.03.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 Bb4 5. Qc2 0-0 6. Be2 Bxc3 7. Qxc3 Re8 8. d3 d5 9. cxd5 Nxd5 10. Qd2 a5 11. 0-0 a4 12. Rb1 Be6 13. b4 axb3 14. axb3 f6 15. Qb2 Ndb4 16. Qc3 Ra2 17. Rb2 Qd5 18. e4 Qd7 19. Rd1 Rd8 20. Be3 Rxb2 21. Qxb2 Ra8 22. Qb1 Ra3 23. Nd2 Nd4 24. Bxd4 Qxd4 25. Rc1 c6 26. Nf3 Qa7 27. Nd2 Ra2 28. Rd1 Qa3 29. Bf1 Qb2 30. Qxb2 Rxb2 31. h3 Nc2 32. Nc4 Rxb3 33. Nd6 Kf8 0-1

[Event "Richmond Keres Memorial 46th"]
[Site "Richmond"]
[Date "2022.05.21"]
[Round "2"]
[White "Nunez Asencio, Jorge"]
[Black "Patterson, Roger"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2269"]
[BlackElo "2265"]
[PlyCount "91"]
[EventDate "2022.05.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. Bg5 h6 6. Bh4 d6 7. h3 g5 8. Bg3 Bf5 9. e3 c5 10. Be2 Nc6 11. d5 Na5 12. Nd2 a6 13. 0-0 Rb8 14. e4 Bg6 15. Re1 Nd7 16. Bf1 b5 17. Qc1 Nxc4 18. Bxc4 bxc4 19. Nxc4 Qc7 20. Qd2 Rb4 21. b3 Nb6 22. Nxb6 Qxb6 23. e5 Rd4 24. Qe2 Qb4 25. Rac1 Rd3 26. Nb1 Rxd5 27. Qxa6 dxe5 28. Nc3 Rd2 29. Qa7 e6 30. Qc7 e4 31. Na4 Rxa2 32. Nxc5 Bd4 33. Rf1 e3 34. Nd7 exf2+ 35. Kh2 Bd3 36. Bd6 Qa5 37. Qxa5 Rxa5 38. Nxf8 Bxf1 39. Rxf1 Rd5 40. Be7 Be5+ 41. g3 Rd3 42. Kg2 Rxg3+ 43. Kxf2 Rxb3 44. Rd1 Rxh3 45. Rd8 Kg7 46. Nd7 1-0

[Event "British Columbia-Washington"]
[Site "Victoria"]
[Date "2020.01.19"]
[Round "4.8"]
[White "Patterson, Roger"]
[Black "Seshadri, Sridhar"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2030"]
[BlackElo "1580"]
[PlyCount "79"]
[EventDate "2020.01.17"]
[EventType "team-match"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "British Columbia"]
[BlackTeam "Washington"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "USA"]

1. c4 Nf6 2. Nc3 c5 3. g3 Nc6 4. Bg2 e6 5. Nf3 d5 6. cxd5 exd5 7. d4 h6 8. 0-0 Be7 9. b3 0-0 10. Bb2 Bg4 11. dxc5 Bxc5 12. Rc1 Re8 13. h3 Be6 14. Na4 Be7 15. Nc5 Bxc5 16. Rxc5 Ne4 17. Rc1 Qb6 18. Nd4 Bd7 19. e3 Ne5 20. Qe2 Rac8 21. Rfd1 Rxc1 22. Rxc1 Rc8 23. Rxc8+ Bxc8 24. Qc2 Nd6 25. Qc3 Kh8 26. Nb5 f6 27. Nxd6 Be6 28. Nc8 Qa6 29. Ne7 Qxa2 30. Nxd5 Qb1+ 31. Qc1 Qd3 32. Bxe5 fxe5 33. Qc7 Qb1+ 34. Kh2 e4 35. Qe5 Bg8 36. Bxe4 Qxb3 37. Ne7 Qa2 38. Kg2 Bh7 39. Qb8+ Bg8 40. Bd5 1-0

[Event "British Columbia-Washington"]
[Site "Victoria"]
[Date "2020.01.19"]
[Round "5.7"]
[White "Patterson, Roger"]
[Black "Setiadikurnia, Sloan Christopher"]
[Result "0-1"]
[ECO "A23"]
[WhiteElo "2030"]
[BlackElo "1965"]
[PlyCount "36"]
[EventDate "2020.01.17"]
[EventType "team-match"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "British Columbia"]
[BlackTeam "Washington"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "USA"]

1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 Qb6 6. e3 d5 7. cxd5 cxd5 8. Bg2 Nc6 9. Nxc6 bxc6 10. f3 exf3 11. Qxf3 Ba6 12. d4 Bb4 13. Qf5 0-0 14. Bd2 Rfe8 15. 0-0-0 Rab8 16. Kb1 Qa5 17. Rc1 Bc4 18. b3 Ba3 0-1

[Event "British Columbia-Washington"]
[Site "Victoria"]
[Date "2020.01.18"]
[Round "2.7"]
[White "Patterson, Roger"]
[Black "Velea, Anne Marie"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "2030"]
[BlackElo "1955"]
[PlyCount "78"]
[EventDate "2020.01.17"]
[EventType "team-match"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "British Columbia"]
[BlackTeam "Washington"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "USA"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. 0-0 Be7 8. a3 0-0 9. b4 Be6 10. d3 a5 11. b5 Nd4 12. Nxd4 exd4 13. Na4 Nd5 14. Bb2 c5 15. bxc6 b5 16. Bxd4 bxa4 17. Qxa4 Rb8 18. Rab1 Nb6 19. Bxb6 Rxb6 20. d4 f6 21. Rfd1 Bd6 22. d5 Bf7 23. Rbc1 Rb2 24. e4 Qb6 25. Qd4 Rc8 26. Bh3 Rc7 27. Qxb6 Rxb6 28. f4 g6 29. e5 fxe5 30. fxe5 Bxe5 31. d6 Rcxc6 32. Rxc6 Rxc6 33. d7 Bf6 34. d8Q+ Bxd8 35. Rxd8+ Kg7 36. Ra8 Rc1+ 37. Kf2 Rc2+ 38. Kg1 Rc1+ 39. Kf2 Rc2+ 1/2-1/2

[Event "British Columbia-Washington"]
[Site "Victoria"]
[Date "2020.01.18"]
[Round "3.7"]
[White "Velea, Sophie"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "B34"]
[WhiteElo "1608"]
[BlackElo "2030"]
[PlyCount "80"]
[EventDate "2020.01.17"]
[EventType "team-match"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Washington"]
[BlackTeam "British Columbia"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "CAN"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nde2 Nf6 7. g3 b5 8. Bg2 Rb8 9. 0-0 0-0 10. h3 b4 11. Nd5 d6 12. Be3 Bb7 13. Nd4 a5 14. Nxc6 Bxc6 15. Bd4 Nd7 16. Bxg7 Kxg7 17. c4 bxc3 18. Qd4+ Kg8 19. Qxc3 Bxd5 20. exd5 Qb6 21. b3 Nc5 22. Qe3 Rb7 23. Rfe1 Ra8 24. Rab1 Raa7 25. Qd2 Qb4 26. Qxb4 Rxb4 27. Bf1 Kg7 28. Bc4 Rab7 29. Kg2 f5 30. f3 Kf6 31. Kg1 R4b6 32. Rbc1 Ra7 33. Re3 a4 34. Rc2 axb3 35. axb3 Ra1+ 36. Kf2 Rb1 37. Rcc3 Rb2+ 38. Re2 Rb1 39. Ree3 Rb2+ 40. Re2 Rb1 1/2-1/2

[Event "British Columbia-Washington"]
[Site "Victoria"]
[Date "2020.01.17"]
[Round "1.3"]
[White "Sinanan, Joshua C"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2178"]
[BlackElo "2030"]
[PlyCount "114"]
[EventDate "2020.01.17"]
[EventType "team-match"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Washington"]
[BlackTeam "British Columbia"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "CAN"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. Nc3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. Bg5 cxd4 10. Nxd4 h6 11. Bf4 Bg4 12. h3 Bd7 13. Rc1 Rc8 14. Be3 Na5 15. b3 Bb4 16. Qd3 Qe7 17. Kh2 Rfd8 18. Rfd1 Bxc3 19. Rxc3 Ne4 20. Rcc1 Nc6 21. Nxc6 bxc6 22. f3 Nf6 23. Bc5 Qe6 24. e3 Rc7 25. Qd4 Ra8 26. Ba3 a5 27. Bb2 Rb7 28. e4 a4 29. b4 a3 30. Bc3 dxe4 31. fxe4 Qxa2 32. e5 Ne8 33. Rd2 Qe6 34. Rcd1 Rc7 35. Qb6 Raa7 36. Qb8 Rab7 37. Qd8 Rc8 38. Qa5 Qb3 39. Rxd7 Rxd7 40. Rxd7 Qxc3 41. Qa6 Rb8 42. Qxc6 Qxc6 43. Bxc6 a2 44. Ra7 Rxb4 45. Rxa2 Nc7 46. Ra7 Rb2+ 47. Kg1 Ne6 48. h4 g6 49. Be8 Nd4 50. Bxf7+ Kf8 51. Bxg6 Nf3+ 52. Kf1 Nxe5 53. Be4 Ng4 54. Kg1 Rb4 55. Bf3 Rb1+ 56. Kg2 Rb2+ 57. Kg1 Rb1+ 1/2-1/2

[Event "Banff op"]
[Site "Banff"]
[Date "2019.11.09"]
[Round "2"]
[White "Patterson, Roger"]
[Black "Ginsburg, Mark"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "2031"]
[BlackElo "2324"]
[PlyCount "56"]
[EventDate "2019.11.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 0-0 5. e4 c5 6. Nge2 Nc6 7. 0-0 d6 8. d3 a6 9. a3 Nd4 10. Nxd4 cxd4 11. Ne2 e5 12. Bd2 b5 13. cxb5 axb5 14. Rc1 Be6 15. h3 d5 16. f4 dxe4 17. fxe5 Nd5 18. Nf4 e3 19. Bb4 Re8 20. Nxd5 Bxd5 21. Bxd5 Qxd5 22. Rc5 Qb7 23. Qg4 Bxe5 24. Rxe5 Rxe5 25. Qxd4 Qd5 26. Qf4 Rae8 27. g4 e2 28. Re1 Qxd3 0-1

[Event "Richmond Keres Memorial 44th"]
[Site "Richmond"]
[Date "2019.05.20"]
[Round "5"]
[White "Mohammed Qanee, Arpak Worya"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2194"]
[BlackElo "1999"]
[PlyCount "84"]
[EventDate "2019.05.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 Be6 7. Bxe6 fxe6 8. Bg5 Nbd7 9. 0-0-0 Bc5 10. f3 Ke7 11. Nge2 h6 12. Bd2 a6 13. Ng3 Rad8 14. Nce2 Nb8 15. c3 Nc6 16. Kc2 Rd7 17. Bc1 Rhd8 18. Rxd7+ Rxd7 19. Nf1 Kf7 20. a4 g5 21. h4 Kg6 22. g4 Bf2 23. hxg5 hxg5 24. Rh2 Bc5 25. b4 Bb6 26. Ne3 Bxe3 27. Bxe3 Rh7 28. Rxh7 Nxh7 29. Kb3 Kf6 30. b5 axb5 31. axb5 Ne7 32. Kb4 Ng6 33. c4 Nf4 34. Ng1 Nf8 35. c5 N8g6 36. Kc4 Ke7 37. Bc1 c6 38. bxc6 bxc6 39. Bb2 Kd7 40. Kc3 Kc7 41. Kd2 Kb7 42. Kc3 Ka6 1/2-1/2

[Event "Richmond Keres Memorial 44th"]
[Site "Richmond"]
[Date "2019.05.19"]
[Round "4"]
[White "Patterson, Roger"]
[Black "Bhavik, Dave"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "1999"]
[BlackElo "2081"]
[PlyCount "99"]
[EventDate "2019.05.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 Nfd7 5. d4 dxc4 6. Bxc4 Nb6 7. Bb3 c6 8. Nf3 Be7 9. 0-0 Nd5 10. Ne4 Na6 11. Bg5 h6 12. Nd6+ Kf8 13. Bxe7+ Nxe7 14. Rc1 Nc7 15. Qd2 Ne8 16. Ne4 Kg8 17. Rfd1 Kh7 18. Qd3 Ng6 19. h4 Kg8 20. g3 Ne7 21. a3 Nd5 22. Bc4 g6 23. b4 a6 24. Ba2 Kg7 25. Bb1 Qe7 26. h5 gxh5 27. Kg2 h4 28. Nxh4 Nf4+ 29. gxf4 Qxh4 30. Kf3 Qh3+ 31. Ng3 h5 32. Rh1 Qg4+ 33. Ke3 Nc7 34. Nxh5+ Kf8 35. Rcg1 Nd5+ 36. Kd2 Qxg1 37. Rxg1 Rxh5 38. Qc4 Rh8 39. Qc5+ Ke8 40. Rg4 a5 41. bxa5 Bd7 42. Bd3 Rf8 43. Rh4 Rg8 44. Bc4 Rf8 45. Qxf8+ Kxf8 46. Rh8+ Ke7 47. Rxa8 f6 48. Rb8 Nxf4 49. Rxb7 fxe5 50. a6 1-0

[Event "Richmond Keres Memorial 44th"]
[Site "Richmond"]
[Date "2019.05.19"]
[Round "3"]
[White "Wu, Howard"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2114"]
[BlackElo "1999"]
[PlyCount "94"]
[EventDate "2019.05.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. 0-0 Be7 5. c4 0-0 6. d4 c5 7. cxd5 exd5 8. dxc5 Bxc5 9. Nbd2 Nc6 10. Nb3 Be7 11. Bf4 Re8 12. Rc1 h6 13. Nfd4 Bd7 14. Qd3 Bf8 15. Rfd1 Qb6 16. Nxc6 bxc6 17. Be3 Qd8 18. Bd4 Ne4 19. f3 Nd6 20. Nc5 Bf5 21. e4 Bg6 22. b3 Qe7 23. Re1 Rad8 24. Qf1 dxe4 25. fxe4 Nxe4 26. Nxe4 Rxd4 27. Nf6+ gxf6 28. Rxe7 Rxe7 29. Qxf6 Rd2 30. Bf1 Re6 31. Qf4 Rxa2 32. Bg2 Ree2 33. Bf1 Rxh2 34. Rxc6 Rhc2 35. Rxg6+ fxg6 36. Bc4+ Rxc4 37. Qxc4+ Kh7 38. b4 Rb2 39. b5 h5 40. Qd4 Bg7 41. Qd7 Kh6 42. Kf1 Kh7 43. Qd5 Kh6 44. Qc5 Kh7 45. Qg5 Bh6 46. Qd8 Bg7 47. Qe8 Kh6 1/2-1/2

[Event "Richmond Keres Memorial 44th"]
[Site "Richmond"]
[Date "2019.05.18"]
[Round "1"]
[White "McLaren, Brian"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2190"]
[BlackElo "1999"]
[PlyCount "100"]
[EventDate "2019.05.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. a4 c6 8. Re1 Qc7 9. Ba2 b6 10. Bg5 Bb7 11. Rc1 a6 12. h3 b5 13. d5 bxa4 14. Nxa4 cxd5 15. exd5 Rae8 16. c4 h6 17. Be3 a5 18. Re2 Nh7 19. Qe1 f5 20. c5 Ba6 21. Rec2 Bb5 22. cxd6 Qxd6 23. Qxa5 Bxa4 24. Qxa4 Ra8 25. Qc4 e4 26. Nd4 Ne5 27. Qb3 Rfb8 28. Nb5 Rxb5 29. Qxb5 Rxa2 30. Qb3 Ra5 31. Bc5 Rxc5 32. Rxc5 Nd3 33. Rc8+ Nf8 34. R1c6 Qf4 35. d6+ Kh7 36. Qb6 Bh4 37. Rc2 Nd7 38. Qd4 Bf6 39. Qd5 Bh4 40. Qd4 Bf6 41. Qd5 Bh4 42. g3 Bxg3 43. Qg8+ Kg6 44. fxg3 Qe3+ 45. Kh2 Ne1 46. Qe8+ Kh7 47. Qg8+ Kg6 48. Qe8+ Kh7 49. Qg8+ Kg6 50. Qe8+ Kh7 1/2-1/2

[Event "Richmond Keres Memorial 44th"]
[Site "Richmond"]
[Date "2019.05.18"]
[Round "2"]
[White "Patterson, Roger"]
[Black "Moura, Eduardo Henrique B"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "1999"]
[BlackElo "2075"]
[PlyCount "66"]
[EventDate "2019.05.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. cxd5 exd5 4. d4 c5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. Bg5 c4 10. Ne5 Be6 11. f4 h6 12. Bxf6 Bxf6 13. e4 Bxe5 14. fxe5 Ne7 15. exd5 Nxd5 16. Qe2 Nxc3 17. bxc3 Bd5 18. Rab1 b6 19. Rb5 Bxg2 20. Kxg2 a6 21. Rb4 b5 22. a4 Qd7 23. Rfb1 f6 24. exf6 Rxf6 25. axb5 Raf8 26. bxa6 Rf2+ 27. Qxf2 Rxf2+ 28. Kxf2 Qf5+ 29. Kg1 Qe6 30. a7 Qe3+ 31. Kg2 Qe2+ 32. Kg1 Qe3+ 33. Kg2 Qe2+ 1/2-1/2

[Event "Victoria op"]
[Site "Victoria"]
[Date "2019.04.19"]
[Round "1"]
[White "Maisuradze, Nino"]
[Black "Patterson, Roger"]
[Result "1-0"]
[ECO "D40"]
[WhiteElo "2344"]
[BlackElo "2019"]
[PlyCount "35"]
[EventDate "2019.04.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. a3 Ne4 7. Qc2 Nxc3 8. bxc3 Be7 9. Bb2 0-0 10. Bd3 h6 11. 0-0 Qc7 12. cxd5 exd5 13. c4 dxc4 14. Bxc4 Bg4 15. dxc5 Bxf3 16. gxf3 Na5 17. Rac1 Rac8 18. Qg6 1-0

[Event "British Columbia op"]
[Site "Richmond"]
[Date "2019.02.18"]
[Round "5.7"]
[White "Patterson, Roger"]
[Black "Mohammed Qanee, Arpak Worya"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "2001"]
[BlackElo "2231"]
[PlyCount "49"]
[EventDate "2019.02.16"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 0-0 5. e4 d6 6. Nge2 a6 7. 0-0 Nc6 8. d3 Bc5 9. a3 Be6 10. b4 Ba7 11. Nd5 Bxd5 12. cxd5 Nd4 13. Be3 Nxe2+ 14. Qxe2 Bxe3 15. Qxe3 Qd7 16. d4 a5 17. dxe5 dxe5 18. Qc3 axb4 19. axb4 Qd6 20. Rfc1 Rxa1 21. Rxa1 c6 22. Qc5 Qxc5 23. bxc5 Nd7 24. dxc6 bxc6 25. Ra6 1/2-1/2

[Event "British Columbia op"]
[Site "Richmond"]
[Date "2019.02.17"]
[Round "3.8"]
[White "Patterson, Roger"]
[Black "Oszvald, Joe"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2001"]
[BlackElo "2053"]
[PlyCount "63"]
[EventDate "2019.02.16"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. e4 d6 6. Nge2 e6 7. 0-0 Nge7 8. d3 a6 9. Rb1 0-0 10. a3 a5 11. Bg5 h6 12. Be3 Nd4 13. b4 axb4 14. axb4 Nxe2+ 15. Nxe2 cxb4 16. Rxb4 d5 17. cxd5 exd5 18. Qc2 Nc6 19. Rbb1 d4 20. Bd2 Kh7 21. Nf4 Ra6 22. Nd5 Ne5 23. f4 Rc6 24. Qb3 Ng4 25. Rfd1 Be6 26. Qxb7 Bxd5 27. exd5 Rc2 28. Rbc1 Ra2 29. Ra1 Rc2 30. Rac1 Ra2 31. Ra1 Rc2 32. Rac1 1/2-1/2

[Event "British Columbia op"]
[Site "Richmond"]
[Date "2019.02.17"]
[Round "4.10"]
[White "Tang, Edward"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2013"]
[BlackElo "2001"]
[PlyCount "104"]
[EventDate "2019.02.16"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Re8 12. Rc1 Bf8 13. Na4 Bd7 14. Nc5 Bxc5 15. Rxc5 Qe7 16. Nxc6 Bxc6 17. Qd4 Ne4 18. Rc2 Qe6 19. Rd1 f5 20. Qd3 a6 21. Bd4 Rad8 22. Bh3 Rf8 23. f3 Ng5 24. Bg2 Qf7 25. e3 Qh5 26. Rf2 Nh3+ 27. Bxh3 Qxh3 28. a4 Bxa4 29. Bxg7 Rf7 30. Bf6 Rxf6 31. Qd4 Re6 32. Qxa4 Rxe3 33. Qa5 Rd7 34. Rxd5 b6 35. Qd2 Rde7 36. Rd8+ Kh7 37. Rd7 f4 38. Qc2+ Kg7 39. Rxe7+ Rxe7 40. Qc3+ Kf8 41. gxf4 Rg7+ 42. Kh1 Qf5 43. Qb4+ Kg8 44. Qc4+ Kh8 45. Qxa6 Qxf4 46. Qa8+ Rg8 47. Qc6 Qg5 48. Qc3+ Rg7 49. Qc8+ Rg8 50. Qc3+ Rg7 51. Qc8+ Rg8 52. Qc3+ Rg7 1/2-1/2

[Event "British Columbia op"]
[Site "Richmond"]
[Date "2019.02.16"]
[Round "1.2"]
[White "Patterson, Roger"]
[Black "Sohal, Tanraj"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2001"]
[BlackElo "2370"]
[PlyCount "78"]
[EventDate "2019.02.16"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Be7 5. d4 0-0 6. Bd3 dxc4 7. Bxc4 a6 8. 0-0 b5 9. Bb3 Bb7 10. Qe2 c5 11. Rd1 Qb6 12. dxc5 Bxc5 13. h3 Ne4 14. Nxe4 Bxe4 15. Bd2 h6 16. Bc3 Nc6 17. Ne5 Nxe5 18. Bxe5 Bf5 19. Qf3 Rfd8 20. Rxd8+ Qxd8 21. Rd1 Qe8 22. Bd6 Rc8 23. Qb7 Bxd6 24. Rxd6 a5 25. Bd1 Rd8 26. Qb6 Rxd6 27. Qxd6 Qc8 28. Qd2 b4 29. Bf3 Qc5 30. Qd1 g5 31. Qd8+ Kg7 32. Qd4+ Qxd4 33. exd4 Bd3 34. g4 Kf6 35. Kg2 e5 36. dxe5+ Kxe5 37. Kg3 Kd4 38. h4 Bc4 39. a3 Kd3 0-1

[Event "Victoria op"]
[Site "Victoria"]
[Date "2019.01.20"]
[Round "5.4"]
[White "Leong, Ryan"]
[Black "Patterson, Roger"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1773"]
[BlackElo "2034"]
[PlyCount "81"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. a3 d5 2. d4 e6 3. Nf3 c5 4. c3 Nc6 5. Bf4 Nf6 6. Nbd2 Be7 7. e3 0-0 8. Bd3 b6 9. Rc1 Bb7 10. b4 c4 11. Bc2 a5 12. b5 Na7 13. a4 Nc8 14. Ne5 Nd6 15. 0-0 Rc8 16. Qe2 Nfe4 17. Nxe4 dxe4 18. h3 f6 19. Ng4 Nf7 20. Nh2 Bd6 21. f3 exf3 22. Nxf3 Re8 23. Nd2 e5 24. Bh2 exd4 25. cxd4 Bxh2+ 26. Kxh2 c3 27. Nf3 Nd6 28. Nh4 Ne4 29. Qh5 Qc7+ 30. Kg1 Qf7 31. Qg4 Rcd8 32. Nf5 Kh8 33. Bxe4 Rxe4 34. Rf4 h5 35. Qg3 g6 36. Rxe4 Bxe4 37. Nd6 Rxd6 38. Qxd6 c2 39. Qxb6 Kg7 40. Qc5 Qb3 41. Qe7+ 1-0

[Event "Victoria op"]
[Site "Victoria"]
[Date "2019.01.20"]
[Round "4.3"]
[White "Patterson, Roger"]
[Black "Taylor, Tristan"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "2034"]
[BlackElo "1802"]
[PlyCount "34"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 0-0 5. e4 Re8 6. Nge2 c6 7. 0-0 d6 8. a3 Ba5 9. b4 Bc7 10. d4 a5 11. Rb1 exd4 12. Nxd4 Nbd7 13. Qc2 Ne5 14. Nce2 axb4 15. axb4 Qe7 16. Bb2 h5 17. Nf4 Bd7 1/2-1/2

[Event "Victoria op"]
[Site "Victoria"]
[Date "2019.01.19"]
[Round "3.3"]
[White "James, Rowan"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "1917"]
[BlackElo "2034"]
[PlyCount "26"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bc4 c6 7. a4 a5 8. 0-0 0-0 9. Re1 Re8 10. h3 Na6 11. Nf3 Nc5 12. e5 dxe5 13. Qxd8 Bxd8 1/2-1/2

[Event "Victoria op"]
[Site "Victoria"]
[Date "2019.01.19"]
[Round "2.4"]
[White "Patterson, Roger"]
[Black "Leblanc, Paul"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2034"]
[BlackElo "1738"]
[PlyCount "87"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. g3 Nc6 4. Bg2 Bg4 5. Ne5 e6 6. Nxg4 Nxg4 7. e4 Nf6 8. e5 Nd7 9. d4 Ne7 10. Nc3 h5 11. Ne2 Nf5 12. Qd3 Be7 13. c3 c6 14. Bd2 Qb6 15. 0-0-0 c5 16. Kb1 c4 17. Qc2 Qa6 18. Bf3 Rb8 19. Bxh5 b5 20. Bg4 g6 21. Bxf5 gxf5 22. h3 b4 23. cxb4 Bxb4 24. g4 Bxd2 25. Qxd2 fxg4 26. hxg4 Rg8 27. Rdg1 Nb6 28. Nc3 Na4 29. Nxa4 Qxa4 30. f5 Qb5 31. fxe6 fxe6 32. g5 Rb7 33. Rh6 Qb6 34. Rgh1 Rbg7 35. Rh8 Qd8 36. Rxg8+ Rxg8 37. Rh6 Qe7 38. g6 Qg7 39. Qg5 Rh8 40. Rxh8+ Qxh8 41. g7 Qh7+ 42. Kc1 Qh1+ 43. Kd2 Qh2+ 44. Kc3 1-0

[Event "White Rock Semiahmoo op"]
[Site "White Rock"]
[Date "2018.08.06"]
[Round "5.4"]
[White "Doknjas, Neil"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1989"]
[BlackElo "2027"]
[PlyCount "40"]
[EventDate "2018.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 Bb6 8. 0-0 0-0 9. Na3 Ne5 10. Be2 Qg6 11. f3 d5 12. Qc2 dxe4 13. Qxe4 Qxe4 14. fxe4 Bg4 15. Bxg4 Nxg4 16. Nc4 Nxe3 17. Nxe3 Rfe8 18. Nc4 Ng6 19. Nxb6 axb6 20. Rfe1 Ne5 1/2-1/2

[Event "White Rock Semiahmoo op"]
[Site "White Rock"]
[Date "2018.08.05"]
[Round "3.7"]
[White "Gu, Chuyang"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "C95"]
[WhiteElo "1842"]
[BlackElo "2027"]
[PlyCount "79"]
[EventDate "2018.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[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 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. a4 h6 13. Bc2 Re8 14. Nf1 c5 15. Ng3 cxd4 16. cxd4 exd4 17. Nxd4 d5 18. e5 Bb4 19. Bd2 Bxd2 20. Qxd2 Nxe5 21. axb5 Qb6 22. bxa6 Bxa6 23. b3 Ned7 24. Ngf5 Ne4 25. Qf4 Bb7 26. Rxa8 Rxa8 27. Bxe4 dxe4 28. Nd6 Bd5 29. N4f5 Qxb3 30. Nxh6+ gxh6 31. Re3 Qd1+ 32. Kh2 Nf8 33. Qxh6 Qd4 34. Rg3+ Ng6 35. h4 Qe5 36. Nxe4 Bxe4 37. h5 Ra5 38. hxg6 Qh5+ 39. Rh3 Qxh6 40. gxf7+ 1/2-1/2

[Event "White Rock Semiahmoo op"]
[Site "White Rock"]
[Date "2018.08.05"]
[Round "4.4"]
[White "Patterson, Roger"]
[Black "Ferguson, Peter"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2027"]
[BlackElo "2067"]
[PlyCount "69"]
[EventDate "2018.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 d6 4. Bg2 Nh6 5. e3 e5 6. Nge2 f5 7. d3 0-0 8. Qc2 Na6 9. a3 Nc5 10. d4 Ne6 11. d5 Nc5 12. b4 Nd7 13. f4 a5 14. Rb1 axb4 15. axb4 g5 16. 0-0 gxf4 17. exf4 e4 18. Nb5 c6 19. dxc6 Qb6+ 20. Kh1 bxc6 21. Nxd6 Ba6 22. c5 Qc7 23. Bb2 Nf6 24. Nd4 Bxf1 25. Bxf1 Qd7 26. Bc4+ Nd5 27. b5 Bxd4 28. Bxd4 Ra3 29. bxc6 Qxc6 30. Rb6 Qa8 31. Rb7 Ra1+ 32. Kg2 Nf7 33. Bxd5 e3 34. Nxf5 Qa6 35. Ne7# 1-0

[Event "White Rock Semiahmoo op"]
[Site "White Rock"]
[Date "2018.08.04"]
[Round "2.5"]
[White "Patterson, Roger"]
[Black "Chung, Alec"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2027"]
[BlackElo "1938"]
[PlyCount "97"]
[EventDate "2018.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 5. g3 Bg7 6. Bg2 0-0 7. 0-0 c5 8. a3 Nc6 9. Qc2 Nxc3 10. bxc3 Qc7 11. d4 Bg4 12. d5 Ne5 13. Bf4 Bxf3 14. exf3 h6 15. Rfe1 g5 16. Bxe5 Bxe5 17. Rab1 Rab8 18. c4 Rfe8 19. Bh3 Bd4 20. Re4 a6 21. f4 Bf6 22. fxg5 hxg5 23. Bf1 Qd7 24. Bd3 e6 25. dxe6 Rxe6 26. Rxe6 Qxe6 27. Be4 b6 28. Bd5 Qe7 29. Rb3 Bd4 30. Rf3 Rf8 31. Qg6+ Bg7 32. Rf5 Qe1+ 33. Kg2 Qe4+ 34. Bxe4 fxg6 35. Bd5+ Kh7 36. Rxf8 Bxf8 37. a4 Kg7 38. Kf3 Kf6 39. Ke4 a5 40. Bg8 Bd6 41. Kd5 Be5 42. Kc6 Bc3 43. Kxb6 Bb4 44. f3 Kg7 45. Bd5 Kf6 46. Be4 Kg7 47. Kc6 Kf6 48. Kd5 Ba3 49. Kd6 1/2-1/2

[Event "British Columbia-ch Senior"]
[Site "Surrey"]
[Date "2018.06.23"]
[Round "3.5"]
[White "Harris, Philip"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "1690"]
[BlackElo "2064"]
[PlyCount "72"]
[EventDate "2018.06.22"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. d3 d6 8. c3 Bb7 9. Bg5 h6 10. Be3 Bxe3 11. fxe3 0-0 12. Nbd2 Ne7 13. Qe2 Ng6 14. Bc2 Qe7 15. Rfe1 d5 16. exd5 Bxd5 17. e4 Bb7 18. g3 Bc8 19. Nf1 Bh3 20. Ne3 Ng4 21. Nxg4 Bxg4 22. Qe3 c5 23. Bb3 Qd6 24. Bd5 Rae8 25. a4 Ne7 26. c4 Nxd5 27. cxd5 f5 28. Rf1 fxe4 29. dxe4 Bxf3 30. Rxf3 Rxf3 31. Qxf3 Rf8 32. Qe2 c4 33. axb5 axb5 34. Qe3 b4 35. Kg2 Rc8 36. Rc1 Rc7 1/2-1/2

[Event "British Columbia-ch Senior"]
[Site "Surrey"]
[Date "2018.06.22"]
[Round "1.4"]
[White "Ingram, Richard"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "1610"]
[BlackElo "2064"]
[PlyCount "72"]
[EventDate "2018.06.22"]
[EventType "swiss"]
[EventRounds "5"]
[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 e6 6. g4 h6 7. h4 Be7 8. Qf3 Nc6 9. Nxc6 bxc6 10. Be3 e5 11. Rg1 Nh7 12. Bc4 Be6 13. Bxe6 fxe6 14. g5 hxg5 15. Qh5+ Kd7 16. hxg5 Nxg5 17. Qg4 Bf6 18. 0-0-0 Nf7 19. Bc5 Qe7 20. Rxd6+ Nxd6 21. Rd1 Rad8 22. Bxd6 Qxd6 23. Rxd6+ Kxd6 24. b3 Ke7 25. Na4 Rh4 26. Qg3 Rxe4 27. Nc5 Rf4 28. Qh3 Rf5 29. Qg2 Kf7 30. Qxc6 Rxf2 31. Qxe6+ Kg6 32. Ne4 Rf4 33. Nd6 Kh7 34. Ne8 Kg6 35. Nd6 Kh7 36. Ne8 Kg6 1/2-1/2

[Event "Keres Memorial 43th"]
[Site "Vancouver"]
[Date "2018.05.20"]
[Round "4"]
[White "Patterson, Roger"]
[Black "Schnabel, Bennett"]
[Result "0-1"]
[ECO "A88"]
[WhiteElo "2040"]
[BlackElo "2108"]
[PlyCount "88"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 f5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. d4 d6 6. Nf3 0-0 7. 0-0 c6 8. d5 e5 9. dxe6 Bxe6 10. Nd2 d5 11. cxd5 Nxd5 12. Nxd5 Bxd5 13. e4 fxe4 14. Nxe4 Nd7 15. Qc2 Ne5 16. Bf4 Qb6 17. b3 Ng4 18. Rad1 Bd4 19. Ng5 Rf5 20. Bxd5+ cxd5 21. Nf3 Bc5 22. Nh4 Rh5 23. h3 Nxf2 24. Rxf2 Rf8 25. Kg2 Bxf2 26. Qxf2 Qxf2+ 27. Kxf2 Rxh4 28. Kg2 Rhxf4 29. gxf4 Rd8 30. Rd4 Kf7 31. Kf3 Ke6 32. Ke3 b6 33. Kd3 Rc8 34. a4 Rc1 35. Kd2 Rh1 36. f5+ Kxf5 37. Rxd5+ Kf4 38. Rd3 h5 39. Ke2 Rh2+ 40. Kf1 g5 41. Rc3 Rb2 42. Rd3 h4 43. Rc3 Rd2 44. Ke1 Rg2 0-1

[Event "Keres Memorial 43th"]
[Site "Vancouver"]
[Date "2018.05.19"]
[Round "2"]
[White "Patterson, Roger"]
[Black "James, Rowan"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2040"]
[BlackElo "1790"]
[PlyCount "61"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. b3 Be7 5. Bg2 0-0 6. 0-0 c5 7. Bb2 Nc6 8. cxd5 Nxd5 9. d3 Bf6 10. Bxf6 Qxf6 11. Na3 b6 12. Nc4 Qe7 13. Qd2 Bb7 14. a4 Nd4 15. Qb2 Nc3 16. Nxd4 Bxg2 17. Kxg2 cxd4 18. b4 e5 19. b5 f5 20. e3 f4 21. exf4 exf4 22. f3 Rae8 23. Rf2 Qf6 24. Qb3 fxg3 25. hxg3 Re2 26. Ne5+ Kh8 27. Rxe2 Nxe2 28. Qd5 Re8 29. Nf7+ Kg8 30. Ng5+ Kh8 31. Nf7+ 1/2-1/2

[Event "Victoria Grand Pacific op"]
[Site "Victoria"]
[Date "2018.04.02"]
[Round "6.9"]
[White "Patterson, Roger"]
[Black "Cheng, Louis"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2116"]
[BlackElo "2092"]
[PlyCount "34"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 e5 5. e3 0-0 6. Nge2 d6 7. 0-0 c6 8. d4 Qc7 9. Rb1 Nbd7 10. b4 Nb6 11. Qb3 Rd8 12. Rd1 d5 13. cxd5 Nfxd5 14. Nxd5 Nxd5 15. dxe5 Be6 16. Nd4 Qxe5 17. Nxe6 Qxe6 1/2-1/2

[Event "Victoria Grand Pacific op"]
[Site "Victoria"]
[Date "2018.04.01"]
[Round "4.7"]
[White "Patterson, Roger"]
[Black "Doknjas, Joshua"]
[Result "0-1"]
[ECO "B93"]
[WhiteElo "2116"]
[BlackElo "2256"]
[PlyCount "74"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[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 a6 6. f4 e5 7. Nf3 Nbd7 8. a4 Qc7 9. Bd3 Be7 10. 0-0 0-0 11. Qe1 Nc5 12. b4 Nxd3 13. cxd3 Re8 14. Kh1 Bd7 15. Bd2 Rac8 16. Rc1 Qb8 17. b5 Bd8 18. fxe5 dxe5 19. Nh4 Qd6 20. Qg3 Kh8 21. Nf5 Bxf5 22. Rxf5 Ba5 23. bxa6 bxa6 24. Nb1 Rxc1+ 25. Bxc1 Nxe4 26. Qe3 Nf6 27. Nd2 Bc7 28. Nc4 Qe6 29. Rf1 e4 30. Bb2 Ng4 31. Qd4 f6 32. h3 Nh6 33. dxe4 Qxe4 34. Qd7 Qe7 35. Qc6 Nf5 36. Kg1 Ng3 37. Rxf6 Qe1+ 0-1

[Event "Victoria Grand Pacific op"]
[Site "Victoria"]
[Date "2018.03.31"]
[Round "2.10"]
[White "Patterson, Roger"]
[Black "Escandor, Manuel Omana"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2116"]
[BlackElo "1830"]
[PlyCount "87"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. b3 Be7 4. Bb2 Nf6 5. g3 b6 6. Bg2 Bb7 7. 0-0 0-0 8. cxd5 Bxd5 9. d3 h6 10. Nbd2 Nbd7 11. Qc2 Rc8 12. Rfd1 Bb4 13. Nc4 b5 14. Ncd2 Nh7 15. e4 Bb7 16. Nd4 a6 17. Nc6 Bxc6 18. Qxc6 Nb8 19. Qc2 Nf6 20. Nf1 c5 21. Rac1 Qe7 22. a3 Ba5 23. b4 cxb4 24. Qxc8 Rxc8 25. Rxc8+ Kh7 26. axb4 Bc7 27. Rc1 Ne8 28. e5 Qd7 29. Rxe8 Qxe8 30. Rxc7 g6 31. Be4 Kg7 32. Ne3 Qd8 33. Rb7 Nd7 34. Ng4 Nb6 35. Nf6 Na4 36. Rd7 Qc8 37. Bd4 Nc3 38. Bb7 Ne2+ 39. Kf1 Qc2 40. Rd8 Qd1+ 41. Kg2 Qg1+ 42. Kh3 h5 43. Rg8+ Kh6 44. Be3+ 1-0

[Event "British Columbia op"]
[Site "Richmond"]
[Date "2018.02.12"]
[Round "6.7"]
[White "Hemstapat, Andrew"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2166"]
[BlackElo "2116"]
[PlyCount "99"]
[EventDate "2018.02.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. h3 c6 8. a4 Qc7 9. Be3 b6 10. Qe2 Bb7 11. dxe5 dxe5 12. Rfd1 a6 13. Bb3 Nc5 14. Nd2 b5 15. f3 Rad8 16. Qf2 Nfd7 17. Ne2 Nxb3 18. cxb3 Qd6 19. Nc4 Qe6 20. Na5 Ba8 21. Qe1 Rc8 22. Qc3 Rfd8 23. Rac1 c5 24. b4 c4 25. axb5 axb5 26. Qa3 Nb6 27. Bc5 Na4 28. Bxe7 Qxe7 29. Rxd8+ Rxd8 30. Nxc4 f5 31. Ne3 fxe4 32. fxe4 Bxe4 33. Qb3+ Kh8 34. Ng3 Bd3 35. Kh2 Qg5 36. Re1 h5 37. Qf7 h4 38. Ngf5 Nxb2 39. Qe7 Qxe7 40. Nxe7 Rd4 41. N3d5 e4 42. Ra1 Kh7 43. Ra7 Bc4 44. Nf6+ gxf6 45. Nf5+ Kg6 46. Nxd4 Nd3 47. Rb7 f5 48. Nxb5 Bxb5 49. Rxb5 e3 50. Rb6+ 1/2-1/2

[Event "British Columbia op"]
[Site "Richmond"]
[Date "2018.02.12"]
[Round "5.8"]
[White "Patterson, Roger"]
[Black "Zheng, Maven"]
[Result "1-0"]
[ECO "A24"]
[WhiteElo "2116"]
[BlackElo "1845"]
[PlyCount "75"]
[EventDate "2018.02.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Nge2 e5 7. d3 c5 8. 0-0 Nh5 9. f4 f5 10. exf5 gxf5 11. Rb1 Nc6 12. Nd5 Rb8 13. a3 b6 14. Nec3 Nf6 15. Nxf6+ Bxf6 16. Bxc6 Kh8 17. Bg2 Rg8 18. Nd5 Bg7 19. b4 Re8 20. Bb2 Rb7 21. Qc2 Rf7 22. Rbe1 Rg8 23. Bc3 Qd7 24. Qb2 h6 25. fxe5 dxe5 26. Bxe5 Bb7 27. Nf6 Bxf6 28. Bxf6+ Kh7 29. Bxb7 Qxb7 30. Be5 Qd7 31. d4 cxd4 32. Qxd4 Qc6 33. Qd5 Qg6 34. Bf4 Rgf8 35. Re6 Rf6 36. Rfe1 Rxe6 37. Rxe6 Rf6 38. Re7+ 1-0

[Event "British Columbia op"]
[Site "Richmond"]
[Date "2018.02.11"]
[Round "3.9"]
[White "Patterson, Roger"]
[Black "Doknjas, Neil"]
[Result "1-0"]
[ECO "B93"]
[WhiteElo "2116"]
[BlackElo "1897"]
[PlyCount "115"]
[EventDate "2018.02.10"]
[EventType "swiss"]
[EventRounds "6"]
[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 a6 6. f4 e5 7. Nf3 Nbd7 8. a4 Be7 9. Bd3 0-0 10. 0-0 Qc7 11. Kh1 exf4 12. Bxf4 Ne5 13. Nxe5 dxe5 14. Bg5 Be6 15. Qe1 Ng4 16. Bxe7 Qxe7 17. Qg3 Qc5 18. Rae1 Kh8 19. Nd5 Rad8 20. h3 Nh6 21. Qxe5 Bxd5 22. exd5 Qxd5 23. Qxd5 Rxd5 24. Re7 Rb8 25. Rfe1 g6 26. Re8+ Rxe8 27. Rxe8+ Kg7 28. Re7 b5 29. axb5 axb5 30. Rb7 Nf5 31. Rxb5 Rxb5 32. Bxb5 Kf6 33. Kg1 Ke5 34. Kf2 h6 35. Bd3 Nd6 36. Ke3 f5 37. c3 g5 38. b4 Kd5 39. Be2 Ke5 40. c4 Ne4 41. Bf3 Nf6 42. c5 h5 43. Bc6 Ng8 44. b5 Ne7 45. Bb7 Ke6 46. Kd4 h4 47. Bf3 Ng6 48. b6 Kd7 49. c6+ Kd6 50. b7 Kc7 51. Kd5 g4 52. hxg4 fxg4 53. Bxg4 Nf4+ 54. Kc5 Nd3+ 55. Kb5 Nf4 56. Ka6 Kb8 57. c7+ Kxc7 58. Ka7 1-0

[Event "British Columbia op"]
[Site "Richmond"]
[Date "2018.02.11"]
[Round "4.6"]
[White "Sali, Zulfikar A"]
[Black "Patterson, Roger"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "2233"]
[BlackElo "2116"]
[PlyCount "79"]
[EventDate "2018.02.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Qd6 6. d3 Be6 7. Be3 Nf6 8. Qe2 c5 9. h3 Be7 10. Nbd2 Nd7 11. Nc4 Bxc4 12. dxc4 0-0 13. Rad1 Qe6 14. Qd3 Bd6 15. Nh4 g6 16. b3 Rfe8 17. Bh6 Nf6 18. Rfe1 Nh5 19. g4 Nf4 20. Bxf4 exf4 21. Qd5 b5 22. Nf3 bxc4 23. bxc4 Qxd5 24. cxd5 f6 25. Rb1 g5 26. Kg2 Rab8 27. Nd2 Be5 28. Rxb8 Rxb8 29. Rb1 Rb6 30. Rb3 Kf7 31. Nc4 Rxb3 32. cxb3 Bc3 33. Kf3 Ke7 34. Ke2 Kd7 35. Kd3 Bd4 36. f3 c6 37. Na5 cxd5 38. exd5 Kd6 39. Ke4 Bc3 40. Nb7+ 1-0

[Event "British Columbia op"]
[Site "Richmond"]
[Date "2018.02.10"]
[Round "2.3"]
[White "Doknjas, John"]
[Black "Patterson, Roger"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2296"]
[BlackElo "2116"]
[PlyCount "63"]
[EventDate "2018.02.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 dxc4 5. e4 b5 6. e5 Nd5 7. a4 e6 8. axb5 Nxc3 9. bxc3 cxb5 10. Ng5 Bb7 11. Qg4 Bd5 12. Be2 h6 13. Ne4 Nc6 14. Nd6+ Bxd6 15. Qxg7 Rf8 16. exd6 Qxd6 17. Ra6 b4 18. 0-0 0-0-0 19. f3 f5 20. cxb4 Rg8 21. Qxh6 Qxb4 22. Qf4 Rd7 23. Be3 Rdg7 24. g3 Qb2 25. Bxc4 Nb4 26. Ra5 Bxc4 27. Rc5+ Kb7 28. Rxc4 Nd5 29. Qd6 Qb3 30. Qc6+ Kb8 31. Bd2 a5 32. Rc5 1-0

[Event "Victoria op RR"]
[Site "Victoria"]
[Date "2018.01.14"]
[Round "4"]
[White "Patterson, Roger"]
[Black "Cordon, Ian"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2092"]
[BlackElo "2041"]
[PlyCount "72"]
[EventDate "2018.01.12"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. Bf4 e6 6. Nf3 Bxc5 7. c3 Nge7 8. Bd3 Ng6 9. Bg3 Qc7 10. Qe2 Bd7 11. h4 Nge7 12. h5 h6 13. Nbd2 a6 14. 0-0 Rd8 15. Rad1 Nc8 16. Rfe1 f5 17. exf6 Qxg3 18. Bg6+ Kf8 19. fxg7+ Kxg7 20. Nb3 Bb6 21. Nfd4 Nxd4 22. Nxd4 Qg5 23. Rd3 Bc7 24. Re3 Rhf8 25. Rxe6 Kg8 26. Bf7+ Kxf7 27. Rg6 Qxg6 28. hxg6+ Kxg6 29. Qd3+ Kg7 30. Ne6+ Bxe6 31. Rxe6 Rf6 32. Rxf6 Kxf6 33. Qh7 Ne7 34. Qxh6+ Ng6 35. Qh7 Ne7 36. Qh6+ Ng6 1/2-1/2

[Event "Victoria op RR"]
[Site "Victoria"]
[Date "2018.01.14"]
[Round "5"]
[White "Schnabel, Bennett"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2093"]
[BlackElo "2092"]
[PlyCount "50"]
[EventDate "2018.01.12"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. Bxf7+ Kxf7 7. Ng5+ Kg8 8. Ne6 Qe8 9. Nxc7 Qg6 10. Nxa8 Qxg2 11. Rf1 exd4 12. Qe2 Nc5 13. Nd5 Bh3 14. Nxe7+ Kf7 15. Nc7 Kxe7 16. f3 Qxe2+ 17. Kxe2 d3+ 18. cxd3 Bxf1+ 19. Kxf1 Nxd3 20. Ke2 Nxc1+ 21. Rxc1 a6 22. Rd1 Rc8 23. Nd5+ Nxd5 24. Rxd5 Rc1 25. Rd2 g5 1/2-1/2

[Event "Victoria op RR"]
[Site "Victoria"]
[Date "2018.01.13"]
[Round "2"]
[White "Fratila, Adela"]
[Black "Patterson, Roger"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2202"]
[BlackElo "2092"]
[PlyCount "98"]
[EventDate "2018.01.12"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. Nd2 e6 5. c3 c6 6. Qb3 Qb6 7. Ngf3 h6 8. Ne5 Nbd7 9. Ndf3 Be7 10. Bd3 Bxd3 11. Nxd3 0-0 12. Qc2 c5 13. h3 Rac8 14. 0-0 Rfd8 15. Qe2 a5 16. Nde5 a4 17. Rab1 Qa5 18. Rfc1 b5 19. dxc5 Rxc5 20. Nd4 Nxe5 21. Bxe5 Qa6 22. b4 Rc4 23. Bxf6 Bxf6 24. f4 Rdc8 25. Qd2 R8c7 26. a3 Bxd4 27. cxd4 Qc8 28. Rxc4 Rxc4 29. Qd3 Qc6 30. Ra1 Rc3 31. Qd2 Qc4 32. Ra2 Rxe3 33. Rc2 Qd3 34. Rc8+ Kh7 35. Qxd3+ Rxd3 36. Rb8 Rxa3 37. Rxb5 Rd3 38. Ra5 Rxd4 39. g3 Rxb4 40. Kf2 Kg6 41. Ra7 h5 42. f5+ exf5 43. h4 f4 44. Ra5 fxg3+ 45. Kxg3 Rd4 46. Kh3 f6 47. Kg3 Kf5 48. Kf3 g6 49. Ke3 Ke5 0-1

[Event "Victoria op RR"]
[Site "Victoria"]
[Date "2018.01.13"]
[Round "3"]
[White "Patterson, Roger"]
[Black "Gansvind, Valeriya I"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2092"]
[BlackElo "2190"]
[PlyCount "75"]
[EventDate "2018.01.12"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 d6 3. g3 Bg7 4. Bg2 Nc6 5. e3 e5 6. Nge2 Nge7 7. 0-0 0-0 8. d3 Be6 9. Nd5 Qd7 10. Rb1 Nd8 11. b4 Nc8 12. b5 c6 13. bxc6 bxc6 14. Ndc3 Bh3 15. Qa4 Bxg2 16. Kxg2 Ne6 17. h4 f5 18. Qc2 Ne7 19. f4 Rfb8 20. Bd2 Qc8 21. Rxb8 Rxb8 22. Rb1 Kh8 23. Na4 c5 24. Rxb8 Qxb8 25. Bc3 Qb7+ 26. Kf2 Ng8 27. Qb2 Qc6 28. fxe5 Qxa4 29. exd6 Qd7 30. Bxg7+ Nxg7 31. Qe5 Nh6 32. Qxc5 Ng4+ 33. Ke1 Qb7 34. d7 Qb1+ 35. Kd2 Qb2+ 36. Ke1 Qb1+ 37. Kd2 Qb2+ 38. Ke1 1/2-1/2

[Event "Victoria op RR"]
[Site "Victoria"]
[Date "2018.01.12"]
[Round "1"]
[White "Patterson, Roger"]
[Black "Sali, Zulfikar A"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "2092"]
[BlackElo "2113"]
[PlyCount "159"]
[EventDate "2018.01.12"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 a5 9. a4 Ng4 10. Qxg4 Nxd4 11. Qh4 Nxb3 12. cxb3 d6 13. Nd5 Be6 14. Qxe7 Bxd5 15. Qxd8 Rfxd8 16. exd5 Bxb2 17. Rb1 Ba3 18. Ke2 Rac8 19. Kd3 Re8 20. Ra1 Bc5 21. Rac1 b6 22. Rhe1 f5 23. Bxc5 bxc5 24. Rxe8+ Rxe8 25. Kc4 Rb8 26. Re1 Rb4+ 27. Kc3 Rd4 28. Re7 Rxd5 29. Ra7 Rd1 30. Rxa5 Rc1+ 31. Kd2 Rb1 32. Ra8+ Kf7 33. Kc2 Rf1 34. a5 Ke6 35. a6 Kd5 36. a7 Ra1 37. Kb2 Ra6 38. Kc3 Ra2 39. Kd3 Ra3 40. Kc2 h5 41. Kb2 Ra6 42. h4 f4 43. Kc3 Ra2 44. g3 f3 45. Rf8 Rxa7 46. Rxf3 Re7 47. Rf4 Re6 48. Kd3 Kc6 49. b4 Kb5 50. bxc5 dxc5 51. Kc3 Ra6 52. g4 Ra3+ 53. Kb2 Rh3 54. gxh5 gxh5 55. f3 Rh1 56. Kc3 Rh3 57. Kd3 Rg3 58. Kc3 Rg6 59. Rf5 Ra6 60. Kb3 Re6 61. Rxh5 Re3+ 62. Kc2 Rxf3 63. Rg5 Rh3 64. h5 Rh4 65. h6 Rh2+ 66. Kc3 Rh3+ 67. Kc2 Rxh6 68. Rg3 Rh2+ 69. Kc1 Kb4 70. Rf3 Re2 71. Rh3 Ra2 72. Rg3 Rh2 73. Rf3 Re2 74. Rh3 Kc4 75. Rg3 Kd4 76. Rh3 Re4 77. Kc2 Re2+ 78. Kc1 Kc4 79. Rg3 Kb4 80. Rh3 1/2-1/2

[Event "White Rock Semiahmoo op"]
[Site "White Rock"]
[Date "2017.08.07"]
[Round "6.3"]
[White "Doknjas, John"]
[Black "Patterson, Roger"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2278"]
[BlackElo "2107"]
[PlyCount "47"]
[EventDate "2017.08.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 a6 5. Bf4 dxc4 6. Qxc4 e6 7. g3 c5 8. dxc5 Qd5 9. Qxd5 Nxd5 10. Bd6 Nd7 11. Bxf8 Kxf8 12. c6 bxc6 13. Bg2 Rb8 14. b3 Bb7 15. 0-0 Ke7 16. Rc1 Rhc8 17. Nbd2 c5 18. Ne1 N5b6 19. Nd3 Bxg2 20. Kxg2 Rc6 21. Rc2 Rbc8 22. Rac1 f6 23. Ne4 e5 24. Nb4 1-0

[Event "White Rock Semiahmoo op"]
[Site "White Rock"]
[Date "2017.08.07"]
[Round "5.1"]
[White "Patterson, Roger"]
[Black "Doknjas, Joshua"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2107"]
[BlackElo "2203"]
[PlyCount "47"]
[EventDate "2017.08.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e4 e6 6. Nge2 Nge7 7. d3 d6 8. 0-0 0-0 9. Rb1 b6 10. Be3 Nd4 11. a3 Bb7 12. b4 Qd7 13. Qd2 Rad8 14. Bh6 d5 15. Bxg7 Kxg7 16. cxd5 exd5 17. bxc5 dxe4 18. Nxd4 Qxd4 19. cxb6 axb6 20. Qb2 Ba6 21. Nxe4 Bxd3 22. Rfd1 Qxb2 23. Rxb2 Bc4 24. Rc1 1/2-1/2

[Event "White Rock Semiahmoo op"]
[Site "White Rock"]
[Date "2017.08.06"]
[Round "4.2"]
[White "Patterson, Roger"]
[Black "Su, Michael"]
[Result "1/2-1/2"]
[ECO "B49"]
[WhiteElo "2107"]
[BlackElo "1984"]
[PlyCount "95"]
[EventDate "2017.08.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[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. Be2 a6 7. 0-0 Nf6 8. Be3 Bb4 9. Nxc6 bxc6 10. Na4 Be7 11. Bd3 c5 12. c4 Bb7 13. Nc3 d6 14. f4 Nd7 15. Be2 Bf6 16. Qd3 Rd8 17. Bf3 Nb8 18. Rae1 Nc6 19. Bd1 0-0 20. Bd2 Bd4+ 21. Kh1 Ne7 22. Bc2 f5 23. exf5 exf5 24. Bd1 d5 25. cxd5 Nxd5 26. Bb3 Kh8 27. Nxd5 Bxd5 28. Bxd5 Rxd5 29. Qc4 Rd6 30. Bc3 Qb7 31. Re6 Rxe6 32. Qxe6 Qc8 33. Re1 Bxc3 34. bxc3 g6 35. Qe5+ Kg8 36. Qd5+ Rf7 37. Re7 Qf8 38. Rd7 Kg7 39. Qe5+ Kh6 40. Rxf7 Qxf7 41. Qxc5 Qxa2 42. h3 Qb1+ 43. Kh2 Qb8 44. Kg3 Qd8 45. c4 a5 46. Qe3 a4 47. c5 Qd5 48. Kf2 1/2-1/2

[Event "White Rock Semiahmoo op"]
[Site "White Rock"]
[Date "2017.08.06"]
[Round "3.3"]
[White "Sadoughian Zadeh, Farshad"]
[Black "Patterson, Roger"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2130"]
[BlackElo "2107"]
[PlyCount "100"]
[EventDate "2017.08.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bf5 5. Bg2 e6 6. 0-0 h6 7. Nc3 Be7 8. Re1 0-0 9. Bf4 Nbd7 10. h3 Ne4 11. Qc1 Re8 12. g4 Bh7 13. a3 Nxc3 14. Qxc3 Be4 15. Rad1 Rc8 16. c5 g5 17. Bh2 f5 18. Bf1 fxg4 19. hxg4 Rf8 20. Nd2 Nf6 21. f3 Bg6 22. Bh3 Qd7 23. Qe3 Rce8 24. Rf1 Rf7 25. f4 Ne4 26. Nf3 Bf6 27. fxg5 Nxg5 28. Bg2 e5 29. Nxe5 Bxe5 30. Bxe5 Qxg4 31. Rxf7 Nxf7 32. Rf1 Nxe5 33. dxe5 Qg5 34. Qh3 Qxe5 35. Rf3 Kg7 36. e3 Re7 37. b4 Qe6 38. Qh4 b6 39. Bh3 Qe4 40. Qf6+ Kh7 41. Bg2 Qe6 42. Qd4 bxc5 43. bxc5 Be4 44. Rg3 Bxg2 45. Kxg2 Qe4+ 46. Kf2 Rf7+ 47. Kg1 Qxd4 48. exd4 Rg7 49. Kf2 Rxg3 50. Kxg3 Kg6 0-1

[Event "White Rock Semiahmoo op"]
[Site "White Rock"]
[Date "2017.08.05"]
[Round "2.1"]
[White "Patterson, Roger"]
[Black "Hartman, Brian"]
[Result "1/2-1/2"]
[ECO "A39"]
[WhiteElo "2107"]
[BlackElo "2438"]
[PlyCount "99"]
[EventDate "2017.08.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c5 3. g3 Nc6 4. Bg2 g6 5. 0-0 Bg7 6. Nc3 0-0 7. d4 cxd4 8. Nxd4 Ng4 9. e3 d6 10. b3 Nge5 11. Bb2 Bg4 12. f3 Bd7 13. Qd2 Nxd4 14. exd4 Nc6 15. Nd5 e6 16. Ne3 Qb6 17. Rad1 a5 18. Bc3 e5 19. dxe5 dxe5 20. Kh1 Be6 21. Nd5 Bxd5 22. cxd5 Ne7 23. f4 Nf5 24. Rfe1 exf4 25. Bxg7 Kxg7 26. Qxf4 Rfe8 27. Re5 Rad8 28. Rf1 Rxe5 29. Qxe5+ Kg8 30. Qf4 Qd6 31. Qf2 Qb4 32. Qf3 Re8 33. Bh3 Nd6 34. Qf6 Qe4+ 35. Bg2 Qe5 36. Qf2 Qc3 37. Qf4 Qe5 38. Qf2 Nf5 39. d6 Nxd6 40. Bxb7 Qe2 41. Bd5 Qxf2 42. Rxf2 Re5 43. Rd2 Kg7 44. Bf3 Nf5 45. Kg1 Rc5 46. Kf2 h5 47. Be4 Nh6 48. Ke3 Ng4+ 49. Kd4 Nf6 50. Rb2 1/2-1/2

[Event "White Rock Semiahmoo op"]
[Site "White Rock"]
[Date "2017.08.05"]
[Round "1.8"]
[White "Tian, Sherry"]
[Black "Patterson, Roger"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1910"]
[BlackElo "2107"]
[PlyCount "76"]
[EventDate "2017.08.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 dxc4 4. e3 b5 5. a4 b4 6. Na2 e6 7. Bxc4 Nf6 8. Nf3 Be7 9. 0-0 0-0 10. Bd2 a5 11. Nc1 Nbd7 12. Nd3 c5 13. Qe2 Bb7 14. dxc5 Nxc5 15. Nd4 Nce4 16. Rac1 Qb6 17. f3 Nxd2 18. Qxd2 Rfd8 19. Qf2 Bf8 20. Rfd1 Rac8 21. Bb5 Rxc1 22. Rxc1 Nd5 23. Bc6 Nxe3 24. Qxe3 Bxc6 25. Rxc6 Qxd4 26. Qxd4 Rxd4 27. Nc1 Rd1+ 28. Kf2 Rd2+ 29. Kg3 Rxb2 30. Ra6 Rb1 31. Nd3 Rd1 32. Nb2 Rd5 33. Nc4 g6 34. Nxa5 Bd6+ 35. Kf2 Bxh2 36. Nc6 Rd2+ 37. Kf1 b3 38. Rb6 b2 0-1

[Event "British Columbia-ch Seniors"]
[Site "Victoria"]
[Date "2017.06.18"]
[Round "4.3"]
[White "Patterson, Roger"]
[Black "Harris, Philip"]
[Result "0-1"]
[ECO "C95"]
[WhiteElo "2161"]
[BlackElo "1688"]
[PlyCount "102"]
[EventDate "2017.06.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d6 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. Bg5 Bg7 16. Qd2 Qe7 17. Rad1 Qf8 18. d5 Nc5 19. Be3 Rad8 20. b4 Ncd7 21. a4 bxa4 22. Bxa4 Ra8 23. c4 Reb8 24. Qc3 Qe7 25. c5 Nf8 26. Nd2 h5 27. Ne2 h4 28. Bg5 N8h7 29. Be3 Nh5 30. Nc4 Rf8 31. Na5 Bc8 32. Nc6 Qf6 33. Qd2 g5 34. f3 Nf4 35. Rf1 Re8 36. Ra1 Qg6 37. cxd6 cxd6 38. Na7 Rf8 39. Bc6 Rxa7 40. Bxa7 f5 41. Nc3 g4 42. exf5 Bxf5 43. fxg4 Bd3 44. Be3 Bxf1 45. Rxf1 Bh6 46. b5 axb5 47. Bxb5 Nf6 48. Ne2 Ne4 49. Qe1 Nxe2+ 50. Qxe2 Rxf1+ 51. Kxf1 Ng3+ 0-1

[Event "British Columbia-ch Seniors"]
[Site "Victoria"]
[Date "2017.06.17"]
[Round "3.4"]
[White "Monkhouse, Neale"]
[Black "Patterson, Roger"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1845"]
[BlackElo "2161"]
[PlyCount "78"]
[EventDate "2017.06.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. Bb3 d6 7. Nbd2 Be6 8. Nf1 d5 9. Qe2 0-0 10. h3 h6 11. Ng3 Re8 12. 0-0 Qd7 13. Bc2 b5 14. b3 Rad8 15. Bb2 dxe4 16. dxe4 Bxh3 17. Rfd1 Qe6 18. gxh3 Qxh3 19. Nf5 Ng4 20. Ne3 Re6 21. Rxd8+ Nxd8 22. Nxg4 Qxg4+ 23. Kf1 Rf6 24. Bd1 Ne6 25. Bc1 Nf4 26. Bxf4 Rxf4 27. Qd3 Qh3+ 28. Ke1 Qg2 29. Kd2 Qxf2+ 30. Be2 Rf6 31. Rf1 Qg3 32. Qd8+ Bf8 33. Qxc7 Qf4+ 34. Kc2 Qe3 35. Bd1 Qxe4+ 36. Kb2 Qd3 37. Rg1 Rxf3 38. Bxf3 Qxf3 39. Qb6 Qe2+ 0-1

[Event "British Columbia-ch Seniors"]
[Site "Victoria"]
[Date "2017.06.17"]
[Round "2.2"]
[White "Patterson, Roger"]
[Black "Haines, Duncan"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2161"]
[BlackElo "1803"]
[PlyCount "49"]
[EventDate "2017.06.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. Nf3 e6 6. d4 cxd4 7. Nb5 d5 8. cxd5 Qa5+ 9. Qd2 Qxb5 10. dxc6 e5 11. cxb7 Bxb7 12. 0-0 Ne7 13. e4 0-0 14. Rd1 Nc6 15. Ne1 a5 16. b3 Rfc8 17. Ba3 Nb4 18. Rac1 Bf8 19. Rxc8 Rxc8 20. Rc1 Rxc1 21. Bxc1 Ba6 22. h4 Be7 23. Nf3 f6 24. Bh3 Qd3 25. Qh6 0-1

[Event "British Columbia-ch Seniors"]
[Site "Victoria"]
[Date "2017.06.16"]
[Round "1.2"]
[White "Boyle, Phillip"]
[Black "Patterson, Roger"]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "1613"]
[BlackElo "2161"]
[PlyCount "68"]
[EventDate "2017.06.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. d4 d5 4. cxd5 cxd5 5. Bg2 Nc6 6. Nc3 Bf5 7. a3 e6 8. Nf3 h6 9. Bf4 Be7 10. 0-0 0-0 11. Rc1 Qb6 12. b4 Ne4 13. Na4 Qb5 14. Nc5 a5 15. bxa5 Nxc5 16. dxc5 Bxc5 17. a4 Qxa5 18. Ne5 Nxe5 19. Bxe5 Ba3 20. Ra1 Qxa4 21. Qxa4 Rxa4 22. Ra2 Rfa8 23. Rfa1 b5 24. e3 Be7 25. Rxa4 Rxa4 26. Bf1 Rxa1 27. Bxa1 b4 28. Bb5 Bc2 29. Kf1 Bb3 30. Be2 Bc4 31. Ke1 b3 32. Bb2 Bf6 33. Bxf6 gxf6 34. Bd1 b2 0-1

[Event "Richmond Keres Memorial 42nd"]
[Site "Richmond"]
[Date "2017.05.22"]
[Round "5"]
[White "Gentes, Kevin"]
[Black "Patterson, Roger"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2350"]
[BlackElo "2149"]
[PlyCount "207"]
[EventDate "2017.05.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Bxc6 dxc6 6. d3 Bd6 7. Nbd2 Be6 8. b3 c5 9. Bb2 Nd7 10. 0-0 0-0 11. Nc4 Bxc4 12. dxc4 Qe7 13. Qd5 b6 14. a4 a5 15. Rad1 Rae8 16. Rfe1 h6 17. g3 Kh7 18. Bc1 f5 19. exf5 Rxf5 20. Qe4 g6 21. Nh4 Rf6 22. f4 Qf7 23. Bb2 Re7 24. f5 g5 25. Ng6 Rxg6 26. fxg6+ Qxg6 27. Rd2 Qxe4 28. Rxe4 Rf7 29. Rf2 Kg6 30. Rxf7 Kxf7 31. Kg2 Ke6 32. h3 Nf6 33. Re1 h5 34. Bc1 g4 35. hxg4 hxg4 36. Bg5 Nd7 37. Kf2 Kf5 38. Bh4 e4 39. Rd1 Ne5 40. Rd5 Ke6 41. Ke3 c6 42. Rd1 Nf3 43. Kxe4 Nd4 44. Rd2 Nf5 45. Rf2 Nxg3+ 46. Bxg3 Bxg3 47. Rg2 Bd6 48. Rxg4 Be7 49. Rg6+ Kd7 50. Kf5 Bd6 51. Rg7+ Kc8 52. Ke6 Bh2 53. Rg4 Kc7 54. Rg8 Bf4 55. Ra8 Bh2 56. Ra7+ Kc8 57. Rh7 Bg3 58. Rg7 Bf4 59. Rg4 Bh2 60. Rg2 Bf4 61. Kf5 Bd6 62. Rg6 Kc7 63. Ke6 Bf4 64. Rg7+ Kc8 65. Rg2 Kc7 66. Kf5 Bd6 67. Rg7+ Kc8 68. c3 Bh2 69. Rg2 Bd6 70. Ke6 Bf4 71. Rg6 Bh2 72. Rg2 Bf4 73. Kf5 Bd6 74. Ke6 Bf4 75. Rb2 Kc7 76. b4 cxb4 77. cxb4 axb4 78. Rxb4 Be3 79. Rb3 Bc5 80. Rh3 Bb4 81. Rh7+ Kc8 82. Rh5 Kc7 83. Rf5 Kc8 84. Rh5 Kc7 85. Rh7+ Kc8 86. Ke5 Bc5 87. Ke4 Bb4 88. Kd3 Kb8 89. Kc2 Kc8 90. Kb3 Bc5 91. Rh5 Kb7 92. Rh7+ Kb8 93. Rh5 Kb7 94. a5 Ka6 95. Rh6 Kxa5 96. Rxc6 Be3 97. Re6 Bc5 98. Re8 Ka6 99. Ka4 Kb7 100. Kb5 Kc7 101. Rh8 Bg1 102. Rh6 Bf2 103. Rh7+ Kd6 104. Rb7 1-0

[Event "Richmond Keres Memorial 42nd"]
[Site "Richmond"]
[Date "2017.05.22"]
[Round "6"]
[White "Patterson, Roger"]
[Black "Nyamdorj, Davaaochir"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2149"]
[BlackElo "2204"]
[PlyCount "72"]
[EventDate "2017.05.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. g3 Bd6 5. Bb2 0-0 6. Bg2 Nbd7 7. d4 c6 8. Nbd2 b6 9. 0-0 Bb7 10. Qc2 Rc8 11. e4 Nxe4 12. Nxe4 dxe4 13. Qxe4 Nf6 14. Qe2 c5 15. dxc5 Bxc5 16. Rad1 Qe7 17. Ne5 Bxg2 18. Kxg2 Qb7+ 19. f3 a6 20. Rd3 b5 21. Rfd1 bxc4 22. Nxc4 Qb5 23. Qe5 Be7 24. Nd6 Rc2+ 25. R3d2 Qd3 26. Ne4 Rd8 27. g4 Bf8 28. Nxf6+ gxf6 29. Qxf6 Rxd2+ 30. Kh3 Rxb2 31. Rxd3 Rxd3 32. Qxb2 Rxf3+ 33. Kg2 Rd3 34. Qe2 Rd6 35. b4 Rd4 36. a3 Rd6 1/2-1/2

[Event "Richmond Keres Memorial 42nd"]
[Site "Richmond"]
[Date "2017.05.21"]
[Round "4"]
[White "Patterson, Roger"]
[Black "Huang, Patrick"]
[Result "1-0"]
[ECO "B82"]
[WhiteElo "2149"]
[BlackElo "1927"]
[PlyCount "63"]
[EventDate "2017.05.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Qf3 Be7 8. Be3 Qc7 9. 0-0-0 Nc6 10. g4 Nxd4 11. Bxd4 e5 12. fxe5 dxe5 13. Qg3 Bd6 14. Be3 Bxg4 15. h3 Bxd1 16. Qxg7 Rg8 17. Qxf6 Bh5 18. Nd5 Qc6 19. Qh4 Bg6 20. Nf6+ Kf8 21. Bh6+ Rg7 22. Nd5 Rc8 23. Bd3 Bc5 24. Qg3 Bd6 25. h4 f5 26. h5 fxe4 27. Bxg7+ Kg8 28. hxg6 exd3 29. gxh7+ Kf7 30. Qf3+ Ke6 31. Rh6+ Kd7 32. Qf7+ 1-0

[Event "Richmond Keres Memorial 42nd"]
[Site "Richmond"]
[Date "2017.05.21"]
[Round "3"]
[White "Patterson, Roger"]
[Black "Kaufman, Raymond"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "2149"]
[BlackElo "2292"]
[PlyCount "48"]
[EventDate "2017.05.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Nf6 3. d4 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Bg4 7. 0-0 Nfd7 8. d5 Na6 9. Nd4 Bxe2 10. Ndxe2 Nac5 11. Rb1 a5 12. b3 e6 13. dxe6 fxe6 14. f4 Qe7 15. a3 Nb6 16. b4 axb4 17. axb4 Ncd7 18. Qb3 Kh8 19. Be3 Rf7 20. Rbd1 Raf8 21. Nb5 Rc8 22. Na7 Rcf8 23. Nb5 Rc8 24. Na7 Rcf8 1/2-1/2

[Event "Richmond Keres Memorial 42nd"]
[Site "Richmond"]
[Date "2017.05.20"]
[Round "2"]
[White "Chung, Alec"]
[Black "Patterson, Roger"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1805"]
[BlackElo "2149"]
[PlyCount "76"]
[EventDate "2017.05.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. e4 Nc6 5. Bg2 Be7 6. Nge2 0-0 7. d3 a6 8. h3 Rb8 9. a4 Nb4 10. Be3 d5 11. Bf4 Ra8 12. 0-0 d4 13. Na2 Nc6 14. g4 Ne8 15. Bh2 f5 16. exf5 exf5 17. Bd5+ Kh8 18. Ng3 fxg4 19. hxg4 Nf6 20. Bf3 Ne5 21. Nf5 Nxf3+ 22. Qxf3 Nxg4 23. Qxg4 Bxf5 24. Qg2 Bxd3 25. Rfe1 Bd6 26. Bxd6 Qxd6 27. Qxb7 Bxc4 28. Re7 Bd5 29. Qc7 Qf6 30. Rf1 Bxa2 31. Qxc5 Rac8 32. Rc7 Rxc7 33. Qxc7 Qf3 34. Qd6 Bd5 35. Qh2 Qg4+ 36. Qg3 Qxg3+ 37. fxg3 Rxf1+ 38. Kxf1 Bb3 0-1

[Event "Grand Pacific op 11th"]
[Site "Victoria"]
[Date "2017.04.17"]
[Round "6"]
[White "Patterson, Roger"]
[Black "Kostadinov, George"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2019"]
[BlackElo "2001"]
[PlyCount "93"]
[EventDate "2017.04.14"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Nf3 e6 6. d4 cxd4 7. Nb5 d6 8. Nfxd4 Nxd4 9. Nxd4 a6 10. 0-0 Ne7 11. e4 0-0 12. Be3 Qc7 13. Rc1 Rb8 14. Qd2 Rd8 15. Rfd1 Bd7 16. Ne2 Bc6 17. Nf4 Be5 18. Nd3 Bf6 19. Qe2 b6 20. Bf4 Be5 21. Bg5 Bg7 22. Bf4 a5 23. e5 d5 24. c5 b5 25. b4 h6 26. h4 Ra8 27. Bd2 axb4 28. Bxb4 Ra4 29. a3 Rda8 30. f4 Rd8 31. Ne1 Nf5 32. Kh2 g5 33. hxg5 hxg5 34. Nc2 Re8 35. Nd4 Nxd4 36. Rxd4 f6 37. Re1 Raa8 38. Bh3 Bd7 39. Qh5 fxe5 40. fxe5 Rf8 41. Qxg5 Rf2+ 42. Kg1 Raf8 43. c6 Qb6 44. Bxf8 Rxf8 45. cxd7 Qxd4+ 46. Kh1 Qb6 47. Qg6 1-0

[Event "Grand Pacific op 11th"]
[Site "Victoria"]
[Date "2017.04.16"]
[Round "4"]
[White "Patterson, Roger"]
[Black "Murray, Michael A"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2019"]
[BlackElo "1940"]
[PlyCount "62"]
[EventDate "2017.04.14"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. c4 Nc6 2. Nc3 e5 3. g3 d6 4. Bg2 f5 5. d3 Nf6 6. Nf3 Be7 7. 0-0 0-0 8. Rb1 Qe8 9. b4 Bd8 10. b5 Ne7 11. d4 e4 12. Ne1 d5 13. cxd5 Nexd5 14. Nxd5 Nxd5 15. e3 Be6 16. Bd2 Nb6 17. f3 Bxa2 18. fxe4 Bxb1 19. Qxb1 fxe4 20. Rxf8+ Qxf8 21. Bxe4 g6 22. Bxb7 Rb8 23. Qa2+ Kg7 24. Qxa7 Be7 25. Bc6 Bd6 26. e4 Nc4 27. Bf4 Bxf4 28. gxf4 Qxf4 29. Qxb8 Ne3 30. Nf3 Qxf3 31. Qxc7+ Kh6 0-1

[Event "Grand Pacific op 11th"]
[Site "Victoria"]
[Date "2017.04.16"]
[Round "5"]
[White "Reeve, Jeff"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2257"]
[BlackElo "2019"]
[PlyCount "28"]
[EventDate "2017.04.14"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. a4 0-0 7. 0-0 c6 8. h3 Qc7 9. a5 Nxe4 10. Nxe4 d5 11. Re1 dxc4 12. Nxe5 Nxe5 13. dxe5 Qxe5 14. Nd2 Qf6 1/2-1/2

[Event "Grand Pacific op 11th"]
[Site "Victoria"]
[Date "2017.04.15"]
[Round "2"]
[White "Patterson, Roger"]
[Black "Cao, Jason"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2019"]
[BlackElo "2336"]
[PlyCount "89"]
[EventDate "2017.04.14"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[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 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. Nh2 c5 16. d5 c4 17. Rf1 Nc5 18. Be3 Rc8 19. Qd2 h5 20. Bg5 Bg7 21. Rae1 Qb6 22. Kh1 a5 23. f4 exf4 24. Qxf4 Ncd7 25. Re2 Rf8 26. Ref2 Rce8 27. Qh4 Nh7 28. Be7 Rxe7 29. Qxe7 Ne5 30. Ne2 Bc8 31. Nd4 b4 32. Nc6 Nxc6 33. dxc6 Be6 34. c7 Qc5 35. e5 Qxe5 36. Rxf7 Bxf7 37. Rxf7 Qxe7 38. Rxe7 Bf6 39. Rd7 Rc8 40. Be4 Nf8 41. Bd5+ Kh8 42. Rf7 bxc3 43. bxc3 Bxc3 44. Bb7 Kg8 45. Bxc8 1-0

[Event "Grand Pacific op 11th"]
[Site "Victoria"]
[Date "2017.04.15"]
[Round "3"]
[White "Wu, Howard"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "D17"]
[WhiteElo "2110"]
[BlackElo "2019"]
[PlyCount "39"]
[EventDate "2017.04.14"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. g3 e6 7. Bg2 Bb4 8. 0-0 Nbd7 9. Bf4 0-0 10. Nd2 Nb6 11. Be5 a5 12. e4 Bg6 13. Qe2 Nfd7 14. Bf4 f6 15. Nxc4 Nxc4 16. Qxc4 Bf7 17. Qe2 e5 18. dxe5 Nxe5 19. Rfd1 Qe7 20. Rd2 1/2-1/2

[Event "Grand Pacific op 11th"]
[Site "Victoria"]
[Date "2017.04.14"]
[Round "1"]
[White "Petrov, Oscar"]
[Black "Patterson, Roger"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1706"]
[BlackElo "2019"]
[PlyCount "56"]
[EventDate "2017.04.14"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. Bb3 d6 7. Nbd2 0-0 8. h3 Be6 9. Bc2 h6 10. Nf1 d5 11. Qe2 Qd7 12. g4 b5 13. Ng3 dxe4 14. Nxe4 Nxe4 15. Qxe4 f5 16. gxf5 Bxf5 17. Bb3+ Kh8 18. Qd5 Qd6 19. Be3 Bxe3 20. fxe3 Qf6 21. e4 Rad8 22. Qc5 Bxe4 23. Rf1 Bxf3 24. Bd1 e4 25. dxe4 Ne5 26. Be2 Qh4+ 27. Rf2 Bxe2 28. Kxe2 Rxf2+ 0-1

[Event "Victoria-Vancouver m"]
[Site "Victoria"]
[Date "2017.01.15"]
[Round "4.5"]
[White "Barranco, Francisco"]
[Black "Patterson, Roger"]
[Result "1-0"]
[ECO "D19"]
[WhiteElo "2109"]
[BlackElo "2077"]
[PlyCount "53"]
[EventDate "2017.01.13"]
[EventType "team-match"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Vancouver"]
[BlackTeam "Victoria"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "CAN"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Nbd7 10. Rd1 Bg6 11. h3 h6 12. Bd3 Bxd3 13. Qxd3 Qc7 14. e4 Rfd8 15. e5 Nd5 16. Nxd5 cxd5 17. Bf4 Rac8 18. Rac1 Qb6 19. Nh2 Bf8 20. b3 Rc6 21. Rxc6 bxc6 22. Qg3 Kh7 23. Rd3 c5 24. Rf3 cxd4 25. Bxh6 Kg8 26. Ng4 Qc5 27. Bg5 1-0

[Event "Victoria-Vancouver m"]
[Site "Victoria"]
[Date "2017.01.15"]
[Round "5.5"]
[White "Patterson, Roger"]
[Black "Richardson, Kai"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2077"]
[BlackElo "2060"]
[PlyCount "40"]
[EventDate "2017.01.13"]
[EventType "team-match"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Victoria"]
[BlackTeam "Vancouver"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "CAN"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nf3 Nc6 5. Nc3 e6 6. d4 cxd4 7. Nb5 d5 8. cxd5 Qa5+ 9. Bd2 Qxb5 10. dxc6 bxc6 11. Rc1 Bb7 12. b4 Ne7 13. Rc5 Qb6 14. 0-0 0-0 15. Qc2 Nd5 16. Rb1 Rac8 17. e4 dxe3 18. fxe3 Rfd8 19. Kh1 Bf8 20. Rc4 Nxe3 0-1

[Event "Victoria-Vancouver m"]
[Site "Victoria"]
[Date "2017.01.14"]
[Round "2.5"]
[White "Patterson, Roger"]
[Black "Doknjas, John"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2077"]
[BlackElo "2275"]
[PlyCount "69"]
[EventDate "2017.01.13"]
[EventType "team-match"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Victoria"]
[BlackTeam "Vancouver"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "CAN"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nf3 Bg7 5. Nc3 d6 6. 0-0 Bf5 7. e4 Bg4 8. h3 Bxf3 9. Bxf3 Qd7 10. Bg2 e6 11. d3 Nge7 12. Be3 0-0 13. Qd2 Rab8 14. Rad1 Nd4 15. Kh1 Nec6 16. f4 b5 17. cxb5 Nxb5 18. f5 exf5 19. exf5 gxf5 20. Bh6 Ne7 21. Nd5 Ng6 22. Bxg7 Kxg7 23. Qg5 f6 24. Qxf5 Qxf5 25. Rxf5 Nd4 26. Rf2 f5 27. Kh2 Rbe8 28. b4 cxb4 29. Nxb4 f4 30. gxf4 Rxf4 31. Rdf1 Rxf2 32. Rxf2 Re1 33. Be4 Ne5 34. Nd5 Re2 35. Kg2 1/2-1/2

[Event "Victoria-Vancouver m"]
[Site "Victoria"]
[Date "2017.01.14"]
[Round "3.5"]
[White "Patterson, Roger"]
[Black "Doknjas, Joshua"]
[Result "1/2-1/2"]
[ECO "B93"]
[WhiteElo "2077"]
[BlackElo "2222"]
[PlyCount "48"]
[EventDate "2017.01.13"]
[EventType "team-match"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Victoria"]
[BlackTeam "Vancouver"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "CAN"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Nbd7 7. Nf3 e6 8. a4 Qc7 9. Bd3 Be7 10. 0-0 Nc5 11. Qe1 Nxd3 12. cxd3 0-0 13. Qg3 Bd7 14. e5 Ne8 15. Ne4 f6 16. d4 Bc6 17. Nc3 Bxf3 18. Rxf3 fxe5 19. fxe5 Rxf3 20. Qxf3 dxe5 21. dxe5 Qxe5 22. Bf4 Qc5+ 23. Kh1 Qb6 24. Qe2 Nf6 1/2-1/2

[Event "Victoria-Vancouver m"]
[Site "Victoria"]
[Date "2017.01.13"]
[Round "1.5"]
[White "Su, Michael"]
[Black "Patterson, Roger"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "1940"]
[BlackElo "2077"]
[PlyCount "86"]
[EventDate "2017.01.13"]
[EventType "team-match"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Vancouver"]
[BlackTeam "Victoria"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "CAN"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 c6 5. Qb3 Qc7 6. Nc3 e6 7. Nh4 Bg4 8. h3 Bh5 9. g4 Bg6 10. Nxg6 hxg6 11. Bg2 Nbd7 12. Bd2 Be7 13. Rc1 Qb6 14. 0-0 0-0 15. Rfd1 Qxb3 16. axb3 g5 17. e4 Nxe4 18. Bxe4 dxe4 19. Nxe4 f6 20. Re1 Rfd8 21. Ng3 Nf8 22. Bc3 Kf7 23. Re2 Ng6 24. Nh5 Bd6 25. f3 e5 26. dxe5 Nxe5 27. Kg2 g6 28. Ng3 Nd3 29. Rce1 Nf4+ 30. Kh2 Nxe2 31. Rxe2 Re8 32. Rd2 Rad8 33. Kg2 Bxg3 34. Rxd8 Rxd8 35. Kxg3 b5 36. cxb5 cxb5 37. b4 Ke6 38. h4 gxh4+ 39. Kxh4 Rd3 40. g5 fxg5+ 41. Kxg5 Rxf3 42. Kxg6 Rg3+ 43. Kh5 Rxc3 0-1

[Event "Victoria Grand Pacific op 10th"]
[Site "Victoria"]
[Date "2016.03.27"]
[Round "5"]
[White "Patterson, Roger"]
[Black "Morozov, Grigory"]
[Result "1/2-1/2"]
[ECO "C16"]
[WhiteElo "2168"]
[BlackElo "2376"]
[PlyCount "72"]
[EventDate "2016.03.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[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. Nc3 Bb4 4. e5 Qd7 5. a3 Bf8 6. Nce2 b6 7. f4 Ba6 8. Nf3 Ne7 9. g4 h5 10. gxh5 Rxh5 11. Ng3 Rh8 12. Be3 Bxf1 13. Rxf1 Nbc6 14. Qe2 Nf5 15. Nxf5 exf5 16. 0-0-0 Be7 17. Kb1 Nd8 18. c4 Ne6 19. Rd2 0-0-0 20. Rc1 Kb7 21. c5 c6 22. cxb6 axb6 23. Rdc2 Rc8 24. Ne1 c5 25. dxc5 bxc5 26. Qg2 Qc6 27. Bxc5 Bxc5 28. Nd3 Qb5 29. Nxc5+ Nxc5 30. Qxd5+ Kb6 31. b4 Rcd8 32. Qxc5+ Qxc5 33. Rxc5 Rxh2 34. a4 Rd4 35. Rb5+ Ka6 36. Ra5+ Kb6 1/2-1/2

[Event "Victoria Grand Pacific op 10th"]
[Site "Victoria"]
[Date "2016.03.26"]
[Round "3"]
[White "Doknjas, Joshua"]
[Black "Patterson, Roger"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2185"]
[BlackElo "2168"]
[PlyCount "47"]
[EventDate "2016.03.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Nf6 7. Nc3 Nd7 8. Be3 e5 9. Qd2 h6 10. a3 Qe7 11. Nh2 Nf8 12. Na4 Ne6 13. b4 cxb4 14. axb4 a6 15. Nb6 Rb8 16. Rb1 h5 17. c3 0-0 18. Nf3 f5 19. exf5 gxf5 20. Nxc8 Rbxc8 21. Qc2 Kh8 22. 0-0 Rg8 23. Qe2 f4 24. Nxe5 1-0

[Event "British Columbia-op"]
[Site "Richmond"]
[Date "2016.02.08"]
[Round "5.6"]
[White "Patterson, Roger"]
[Black "Doknjas, Joshua"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2160"]
[BlackElo "2178"]
[PlyCount "43"]
[EventDate "2016.02.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. 0-0 Nge7 7. Ne1 d6 8. Nc2 Be6 9. Ne3 0-0 10. d3 Qd7 11. Ned5 Bh3 12. Rb1 Bxg2 13. Kxg2 Rab8 14. a3 Nxd5 15. Nxd5 Nd4 16. b4 b6 17. e3 Ne6 18. f4 f5 19. Bb2 Nc7 20. Qf3 Kh8 21. Nxc7 Qxc7 22. Qd5 1/2-1/2

[Event "British Columbia-op"]
[Site "Richmond"]
[Date "2016.02.07"]
[Round "4.5"]
[White "Gansvind, Valeriya I"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2289"]
[BlackElo "2160"]
[PlyCount "92"]
[EventDate "2016.02.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 g6 3. e3 Bg7 4. h4 h6 5. Bf4 Nf6 6. Bc4 d5 7. Be2 0-0 8. c4 e6 9. Nc3 c6 10. Nf3 Nbd7 11. Ne5 Kh7 12. Qc2 dxc4 13. Nxc4 Nd5 14. Bd6 Re8 15. g3 N7b6 16. Ba3 Nxc4 17. Bxc4 Nxc3 18. bxc3 e5 19. Bf7 exd4 20. Bxe8 Qxe8 21. cxd4 Bxd4 22. 0-0-0 Bg7 23. Bb2 Be6 24. Bxg7 Kxg7 25. Qb2+ Kg8 26. h5 Bd5 27. Rh4 g5 28. Rb4 b6 29. Qf6 Qxh5 30. Qxf5 Rf8 31. Qc2 Qf7 32. Rd2 Qf6 33. Rbd4 Re8 34. Qa4 Re7 35. e4 b5 36. Qb4 a5 37. Qb2 Rxe4 38. Rxe4 Qxb2+ 39. Kxb2 Bxe4 40. Kc3 Bd5 41. Kd4 Kf7 42. Kc5 a4 43. a3 h5 44. Rd4 Kg6 45. Kd6 Kf5 46. Kc5 Bg2 1/2-1/2

[Event "British Columbia-op"]
[Site "Richmond"]
[Date "2016.02.07"]
[Round "3.8"]
[White "Patterson, Roger"]
[Black "Martinez, Julieta"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2160"]
[PlyCount "67"]
[EventDate "2016.02.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. e4 d6 6. g3 Nc6 7. Bg2 Bg4 8. Qd2 Bxf3 9. Bxf3 e5 10. d5 Nd4 11. Bg2 Nd7 12. 0-0 a5 13. Ne2 Nxe2+ 14. Qxe2 a4 15. Rb1 Qe7 16. Be3 f5 17. f3 f4 18. Bf2 c5 19. dxc6 bxc6 20. Rbd1 Rfd8 21. Rd3 Nf8 22. Bh3 Ne6 23. Bxe6+ Qxe6 24. b3 fxg3 25. hxg3 d5 26. exd5 cxd5 27. Rfd1 d4 28. Rxd4 Rxd4 29. Rxd4 axb3 30. axb3 Qf5 31. Rd1 Rb8 32. Qd3 Qh3 33. b4 Rxb4 34. Qd5+ 1-0

[Event "British Columbia-op"]
[Site "Richmond"]
[Date "2016.02.06"]
[Round "2.3"]
[White "Morozov, Grigory"]
[Black "Patterson, Roger"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "2375"]
[BlackElo "2160"]
[PlyCount "97"]
[EventDate "2016.02.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. 0-0 Nc6 7. Nc3 Be7 8. d5 exd5 9. Nxd5 Nxd5 10. Bxd5 Nb4 11. Bc4 Qxd1 12. Rxd1 0-0 13. Bd2 Bf6 14. Bc3 Bxc3 15. bxc3 Nc6 16. Bb5 Na5 17. Ng5 b6 18. Bd3 h6 19. Bh7+ Kh8 20. Be4 Bb7 21. Bxb7 Nxb7 22. Rd7 Nd8 23. Ne4 Kg8 24. Kf1 Nc6 25. Ke2 Ne5 26. Rb7 Rfb8 27. Rxb8+ Rxb8 28. Rd1 Rb7 29. Rd8+ Kh7 30. Nd6 Re7 31. f4 Nc6 32. Rc8 Na5 33. Rf8 Kg6 34. e4 Kf6 35. Ne8+ Kg6 36. f5+ Kh7 37. Nd6 g6 38. Rxf7+ Rxf7 39. Nxf7 gxf5 40. exf5 b5 41. Nd6 b4 42. Kd3 Kg7 43. g4 Kf8 44. h3 a6 45. Ne4 c4+ 46. Kc2 b3+ 47. axb3 Nxb3 48. Nd2 Na5 49. Kb2 1-0

[Event "British Columbia-op"]
[Site "Richmond"]
[Date "2016.02.06"]
[Round "1.10"]
[White "Patterson, Roger"]
[Black "James, Rowan"]
[Result "1-0"]
[ECO "A54"]
[WhiteElo "2160"]
[BlackElo "1793"]
[PlyCount "51"]
[EventDate "2016.02.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Be7 4. Nf3 Nc6 5. Bg2 d6 6. d4 exd4 7. Nxd4 Ne5 8. b3 0-0 9. 0-0 Rb8 10. Qd2 Re8 11. Bb2 Bf8 12. e4 Bd7 13. Rae1 Qc8 14. f4 Nc6 15. Nd5 Nxd5 16. cxd5 Ne7 17. Rc1 f5 18. e5 dxe5 19. fxe5 c5 20. e6 Bc6 21. Nxc6 bxc6 22. d6 Rd8 23. d7 Qa6 24. Be5 Rb7 25. Rc4 Qb6 26. Bc3 1-0

[Event "Victoria op Scheveningen"]
[Site "Victoria"]
[Date "2016.01.17"]
[Round "4.2"]
[White "Patterson, Roger"]
[Black "Yoos, John C"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "2149"]
[BlackElo "2355"]
[PlyCount "100"]
[EventDate "2016.01.15"]
[EventType "schev"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Nc6 4. Nc3 Bb4 5. Bd2 d6 6. a3 Bxc3 7. Bxc3 0-0 8. g3 a5 9. b3 Qe7 10. Bg2 e5 11. d5 Nb8 12. 0-0 Ne4 13. Bb2 f5 14. Ne1 Nd7 15. Nd3 Ndf6 16. f3 Ng5 17. Bc1 Nf7 18. e4 c6 19. Bb2 cxd5 20. exd5 Re8 21. a4 Qd8 22. Qc2 h5 23. Rae1 h4 24. f4 e4 25. Nf2 hxg3 26. hxg3 Nh6 27. Bd4 Nh5 28. Qc3 Qd7 29. Nh3 Qf7 30. Ng5 Qg6 31. Bh3 Nf7 32. Nxf7 Kxf7 33. Kf2 Bd7 34. Rh1 Nf6 35. Bxf6 Qxf6 36. Qxf6+ Kxf6 37. Bf1 Rh8 38. Be2 g5 39. Ke3 Rag8 40. fxg5+ Kxg5 41. Reg1 Be8 42. Rh4 Kf6 43. Rf4 Rh3 44. Kf2 Ke5 45. Bf1 e3+ 46. Kxe3 Rhxg3+ 47. Rxg3 Rxg3+ 48. Rf3 f4+ 49. Kf2 Rxf3+ 50. Kxf3 Bh5+ 0-1

[Event "Victoria op Scheveningen"]
[Site "Victoria"]
[Date "2016.01.17"]
[Round "5.1"]
[White "Sohal, Tanraj"]
[Black "Patterson, Roger"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "2358"]
[BlackElo "2149"]
[PlyCount "93"]
[EventDate "2016.01.15"]
[EventType "schev"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. 0-0 Nc6 7. Nc3 Be7 8. Qe2 cxd4 9. Rd1 0-0 10. exd4 Nb4 11. a3 Nbd5 12. Ne5 Bd7 13. Bg5 Bc6 14. Nxc6 bxc6 15. Rac1 Nxc3 16. Rxc3 Nd5 17. Bxd5 Bxg5 18. Bxc6 Rc8 19. b4 Bf6 20. Qe4 Qb6 21. b5 Rfd8 22. Rcd3 Rd6 23. a4 Rcd8 24. d5 exd5 25. Bxd5 Qc5 26. g3 h6 27. Kg2 Qc2 28. R1d2 Qc5 29. h4 Qb6 30. Qc4 R6d7 31. a5 Qxa5 32. Bxf7+ Rxf7 33. Rxd8+ Qxd8 34. Rxd8+ Bxd8 35. f4 Bb6 36. f5 Kf8 37. Qc8+ Ke7 38. Kf3 Rf6 39. Ke4 Kf7 40. g4 Rd6 41. g5 hxg5 42. hxg5 Rd8 43. Qe6+ Kf8 44. f6 gxf6 45. Qxf6+ Kg8 46. g6 Re8+ 47. Kd5 1-0

[Event "Victoria op Scheveningen"]
[Site "Victoria"]
[Date "2016.01.16"]
[Round "2.4"]
[White "Doknjas, Joshua"]
[Black "Patterson, Roger"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2198"]
[BlackElo "2149"]
[PlyCount "104"]
[EventDate "2016.01.15"]
[EventType "schev"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. 0-0 0-0 7. a4 c6 8. Qe2 Qc7 9. Ba2 b6 10. Rd1 a6 11. Be3 Bb7 12. Nd2 b5 13. Bb3 Rfe8 14. h3 b4 15. Na2 exd4 16. Bxd4 c5 17. Bxf6 Bxf6 18. c3 bxc3 19. Nxc3 Bxc3 20. bxc3 Nf6 21. f3 d5 22. Bc2 Re7 23. Re1 Rae8 24. Rab1 h6 25. Rb3 dxe4 26. Nxe4 Nxe4 27. Bxe4 Bxe4 28. fxe4 Qf4 29. Qf3 Qe5 30. Rb6 Re6 31. Rxe6 Rxe6 32. g4 Rf6 33. Qe3 Rf4 34. Qd3 h5 35. Qd8+ Kh7 36. Qh4 g6 37. Re3 Kg7 38. Kg2 Rxe4 39. Rxe4 Qxe4+ 40. Kh2 Qe2+ 41. Kh1 Qf3+ 42. Kh2 hxg4 43. hxg4 Qxc3 44. g5 Qd4 45. Qxd4+ cxd4 46. Kg3 f6 47. gxf6+ Kxf6 48. Kf4 g5+ 49. Ke4 g4 50. Kxd4 Kg5 51. Ke3 Kh4 52. Kf2 Kh3 0-1

[Event "Victoria op Scheveningen"]
[Site "Victoria"]
[Date "2016.01.16"]
[Round "3.3"]
[White "Patterson, Roger"]
[Black "Doknjas, John"]
[Result "1/2-1/2"]
[ECO "B93"]
[WhiteElo "2149"]
[BlackElo "2274"]
[PlyCount "36"]
[EventDate "2016.01.15"]
[EventType "schev"]
[EventRounds "5"]
[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 a6 6. f4 e5 7. Nf3 Nbd7 8. a4 Be7 9. Bd3 0-0 10. 0-0 exf4 11. Kh1 Nc5 12. Bxf4 Bg4 13. Qd2 Bh5 14. Rae1 Re8 15. Nd4 Nxd3 16. cxd3 Bg6 17. Be3 Qd7 18. Nf5 d5 1/2-1/2

[Event "Victoria op Scheveningen"]
[Site "Victoria"]
[Date "2016.01.15"]
[Round "1.5"]
[White "Patterson, Roger"]
[Black "Kenney, Jason"]
[Result "1/2-1/2"]
[ECO "B83"]
[WhiteElo "2149"]
[BlackElo "2192"]
[PlyCount "83"]
[EventDate "2016.01.15"]
[EventType "schev"]
[EventRounds "5"]
[EventCountry "CAN"]
[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. Be2 Nf6 7. 0-0 Be7 8. Be3 0-0 9. f4 d6 10. Qe1 Nxd4 11. Bxd4 b6 12. Qg3 Bb7 13. e5 dxe5 14. Bxe5 Qc8 15. Bd3 g6 16. Rae1 Nh5 17. Qh3 Bc5+ 18. Kh1 f6 19. f5 exf5 20. Bf4 Re8 21. Bd2 Rxe1 22. Bxe1 Qe8 23. Bc4+ Kh8 24. Bd2 Rd8 25. Re1 Qf8 26. Bc1 Re8 27. Rd1 Qd6 28. Qh4 Qe5 29. Be2 Be3 30. Bxe3 Qxe3 31. Bxh5 gxh5 32. Qxf6+ Kg8 33. Qxf5 Rf8 34. Qxh5 Rf2 35. Rd8+ Kg7 36. Qg4+ Kf6 37. Rf8+ Ke7 38. Qg7+ Kd6 39. Rd8+ Ke6 40. Re8+ Kd6 41. Rd8+ Ke6 42. Re8+ 1/2-1/2

[Event "Richmond Keres Memorial 40th"]
[Site "Richmond"]
[Date "2015.05.18"]
[Round "5.6"]
[White "Patterson, Roger"]
[Black "Doknjas, Joshua"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2116"]
[BlackElo "2120"]
[PlyCount "65"]
[EventDate "2015.05.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e6 6. 0-0 Nge7 7. d4 Nxd4 8. Nxd4 cxd4 9. Nb5 Nf5 10. Bg5 Qb6 11. a4 f6 12. Bf4 e5 13. Bd2 a6 14. c5 Qd8 15. Nd6+ Nxd6 16. cxd6 Qb6 17. Rc1 0-0 18. Rc7 Qxd6 19. Qb3+ Kh8 20. Rfc1 Qe6 21. Bd5 Qg4 22. Bb4 d6 23. Bxd6 Re8 24. Bxb7 Be6 25. Qb6 Rad8 26. Bxa6 Qh3 27. Bb7 Bg8 28. Be7 Rd7 29. Bxf6 Rf7 30. Bxg7+ Rxg7 31. Qf6 Qh6 32. a5 e4 33. Qxd4 1-0

[Event "Richmond Keres Memorial 40th"]
[Site "Richmond"]
[Date "2015.05.18"]
[Round "6.5"]
[White "Wu, Howard"]
[Black "Patterson, Roger"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2227"]
[BlackElo "2116"]
[PlyCount "77"]
[EventDate "2015.05.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. f3 b5 8. g4 Nfd7 9. Qd2 Nb6 10. a3 N8d7 11. Qf2 Bb7 12. 0-0-0 Rc8 13. h4 Rxc3 14. bxc3 Qc7 15. Bxb5 axb5 16. Nxb5 Qc6 17. Na7 Qxc3 18. Bxb6 Qxa3+ 19. Kd2 Qb4+ 20. c3 Qb2+ 21. Ke1 Qxc3+ 22. Kf1 Nxb6 23. Kg2 Nd7 24. Rb1 Nc5 25. Rhc1 Qa5 26. Rxc5 Qxc5 27. Rxb7 Qxf2+ 28. Kxf2 Be7 29. g5 Bd8 30. Nc6 h6 31. Nxd8 hxg5 32. Nxf7 Rxh4 33. Nxg5 d5 34. e5 d4 35. Nxe6 Rh2+ 36. Ke1 d3 37. Nxg7+ Kd8 38. f4 Kc8 39. Rf7 1-0

[Event "Richmond Keres Memorial 40th"]
[Site "Richmond"]
[Date "2015.05.17"]
[Round "4.9"]
[White "Murphy, Kevin J"]
[Black "Patterson, Roger"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "1775"]
[BlackElo "2116"]
[PlyCount "100"]
[EventDate "2015.05.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. d3 d6 8. h3 Na5 9. Bd2 Nxb3 10. axb3 0-0 11. Nc3 Bb7 12. Re1 Qe7 13. Be3 Bxe3 14. Rxe3 c5 15. Ne2 Nh5 16. g4 Nf4 17. Nxf4 exf4 18. Re1 Rae8 19. Kh2 Qf6 20. c3 g5 21. c4 Qxb2 22. Re2 Qf6 23. Nd2 Bc8 24. f3 h5 25. Kg1 Kg7 26. Nf1 Rh8 27. Raa2 hxg4 28. hxg4 Qd4+ 29. Kg2 Kf6 30. Qa1 Ke5 31. Qxd4+ Kxd4 32. Red2 b4 33. Kf2 Bb7 34. Ke2 Rh3 35. Kf2 Ra8 36. Kg2 Rh6 37. Kf2 a5 38. Ke1 Bc6 39. Kd1 a4 40. Kc1 Rh1 41. Rd1 f6 42. Kb1 axb3 43. Rxa8 Bxa8 44. Kb2 Bc6 45. Kxb3 Rh3 46. Nd2 Rh2 47. e5 Rxd2 48. exf6 Ba4+ 49. Kxa4 Rxd1 50. f7 Ra1+ 0-1

[Event "Richmond Keres Memorial 40th"]
[Site "Richmond"]
[Date "2015.05.17"]
[Round "3.8"]
[White "Patterson, Roger"]
[Black "Shao, Nathan"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2116"]
[BlackElo "1807"]
[PlyCount "82"]
[EventDate "2015.05.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 Bc5 4. Bg2 0-0 5. e3 Re8 6. Nge2 Nc6 7. 0-0 d6 8. d4 exd4 9. exd4 Bb6 10. h3 Bf5 11. Be3 Qc8 12. Kh2 a6 13. Nf4 Ne7 14. Re1 Ng6 15. Nfd5 Nxd5 16. Nxd5 Ba7 17. Qd2 c6 18. Nc3 Qd7 19. f4 d5 20. cxd5 cxd5 21. Nxd5 Bxh3 22. Bxh3 Qxd5 23. Bg2 Qh5+ 24. Kg1 Rad8 25. Bf2 Qb5 26. Rxe8+ Rxe8 27. Re1 Rxe1+ 28. Bxe1 Ne7 29. Bf2 g6 30. Qc2 Nf5 31. Qc8+ Kg7 32. Qxb7 Bxd4 33. Qxb5 axb5 34. g4 Bxf2+ 35. Kxf2 Nd6 36. b4 f5 37. g5 h5 38. gxh6+ Kxh6 39. Bc6 g5 40. fxg5+ Kxg5 41. Kf3 f4 1/2-1/2

[Event "Richmond Keres Memorial 40th"]
[Site "Richmond"]
[Date "2015.05.16"]
[Round "2.5"]
[White "Sohal, Tanraj"]
[Black "Patterson, Roger"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2240"]
[BlackElo "2116"]
[PlyCount "83"]
[EventDate "2015.05.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. 0-0 0-0 6. c4 b6 7. Nc3 Bb7 8. Ne5 Na6 9. Qa4 Qe8 10. Qd1 Rd8 11. cxd5 exd5 12. Bg5 c5 13. e3 Ne4 14. Bxe7 Qxe7 15. Rc1 Nc7 16. Qc2 Ne6 17. dxc5 N6xc5 18. Nf3 Nxc3 19. Qxc3 Ne4 20. Qd4 Rc8 21. Rfd1 Rc7 22. Qe5 Qxe5 23. Nxe5 Rcc8 24. Bh3 Rxc1 25. Rxc1 Nd6 26. Rc7 Rd8 27. Nxf7 Nxf7 28. Rxb7 Ng5 29. Bd7 Kf8 30. Rxa7 Nf3+ 31. Kg2 Ne5 32. Bf5 d4 33. exd4 Rxd4 34. Rb7 g6 35. Be6 Rd6 36. Bb3 Rd2 37. Rxh7 Rxb2 38. Rb7 Nd3 39. Rxb6 Rxf2+ 40. Kg1 Rb2 41. Rxg6 Nc1 42. Rf6+ 1-0

[Event "Victoria Grand Pacific op 9th"]
[Site "Victoria"]
[Date "2015.04.06"]
[Round "6"]
[White "Patterson, Roger"]
[Black "Sasata, Robert"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2095"]
[BlackElo "2374"]
[PlyCount "108"]
[EventDate "2015.04.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. cxd5 exd5 5. d4 c6 6. Bg5 Be7 7. Qc2 g6 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 0-0 11. 0-0 Nbd7 12. Rab1 a5 13. Rbc1 Re8 14. Na4 Ne4 15. Bxe7 Qxe7 16. Nd2 Nd6 17. Rfe1 Qg5 18. Nc5 Re7 19. Nxd7 Rxd7 20. Qa3 Kg7 21. Nf3 Qd8 22. Qd3 Re7 23. a4 Qd7 24. Rb1 Ne4 25. b4 axb4 26. Rxb4 Qd6 27. Reb1 Ra7 28. Qc2 h5 29. Nd2 Ng5 30. Qc5 Qxc5 31. dxc5 Ne4 32. Nb3 Nc3 33. Ra1 Re4 34. Nd4 Re8 35. Ra3 Ne4 36. Nb3 Rea8 37. a5 Kf6 38. Ra1 Ke7 39. f3 Ng5 40. Rd1 Ne6 41. Kf2 Rd8 42. Rd2 Rd7 43. h4 Ra8 44. Ra4 Rdd8 45. Ra1 Nc7 46. Rad1 Nb5 47. Ra1 Kd7 48. Rd3 Kc7 49. Nd4 Ra6 50. Nb3 Re8 51. Ra4 Raa8 52. Nd4 Re7 53. Ra2 Re5 54. Rb3 Nxd4 1/2-1/2

[Event "Victoria Grand Pacific op 9th"]
[Site "Victoria"]
[Date "2015.04.05"]
[Round "5"]
[White "Villavieja, Butch"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "B85"]
[WhiteElo "2207"]
[BlackElo "2095"]
[PlyCount "138"]
[EventDate "2015.04.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Be7 7. Be3 a6 8. f4 Nc6 9. 0-0 Qc7 10. Kh1 0-0 11. Qe1 Nxd4 12. Bxd4 b5 13. e5 dxe5 14. fxe5 Nd7 15. Bf3 Bb7 16. Bxb7 Qxb7 17. Ne4 Rac8 18. c3 Nc5 19. Bxc5 Bxc5 20. Qh4 Be7 21. Nf6+ gxf6 22. exf6 Bxf6 23. Qxf6 Rc4 24. h3 Qe4 25. Rf3 Qg6 26. Qe7 f5 27. Re1 Re8 28. Qd6 f4 29. Rxf4 Rxf4 30. Qxf4 e5 31. Rxe5 Rxe5 32. Qxe5 Qb1+ 33. Kh2 Qxb2 34. Qe6+ Kg7 35. Qxa6 Qxc3 36. Qxb5 Qc7+ 37. Kg1 Qa7+ 38. Kh1 Qxa2 39. Qe5+ Kg6 40. Kh2 Qf2 41. Qg3+ Qxg3+ 42. Kxg3 Kg5 43. Kf3 Kf5 44. g3 Ke5 45. Kg4 Kf6 46. Kh5 Kg7 47. Kg5 Kh8 48. Kf6 Kg8 49. g4 Kf8 50. h4 Kg8 51. h5 Kf8 52. g5 Kg8 53. Ke6 Kf8 54. Kd5 Kg7 55. Ke5 Kf7 56. Kd6 Kg7 57. Ke7 Kh8 58. Kf6 Kg8 59. Kf5 Kf7 60. Ke5 Kg7 61. Ke6 Kh8 62. Kf6 Kg8 63. Kf5 Kg7 64. Kg4 Kh8 65. Kf4 Kg7 66. Kf5 Kh8 67. Ke5 Kg7 68. Ke6 Kh8 69. Kf6 Kg8 1/2-1/2

[Event "Victoria Grand Pacific op 9th"]
[Site "Victoria"]
[Date "2015.04.04"]
[Round "2"]
[White "Patterson, Roger"]
[Black "Doknjas, John"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2095"]
[BlackElo "2293"]
[PlyCount "62"]
[EventDate "2015.04.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e6 6. 0-0 Nge7 7. d3 0-0 8. Bd2 b6 9. Rb1 Bb7 10. a3 d5 11. cxd5 exd5 12. b4 cxb4 13. axb4 d4 14. Na4 Nd5 15. b5 Nce7 16. Qb3 Rc8 17. Rbc1 Qd7 18. Rfe1 Rxc1 19. Rxc1 Re8 20. e4 dxe3 21. fxe3 Nf5 22. e4 Nd4 23. Nxd4 Bxd4+ 24. Kh1 Ne3 25. Bxe3 Bxe3 26. Rf1 Re5 27. Nc3 Rc5 28. Nd1 Bd4 29. Bh3 Bd5 30. exd5 Qxh3 31. Rf3 Qh5 0-1

[Event "Victoria Grand Pacific op 9th"]
[Site "Victoria"]
[Date "2015.04.04"]
[Round "4"]
[White "Patterson, Roger"]
[Black "Ingram, Richard"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2095"]
[BlackElo "1869"]
[PlyCount "95"]
[EventDate "2015.04.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 0-0 5. e3 Re8 6. Nge2 Nc6 7. 0-0 Rb8 8. d4 exd4 9. exd4 Be7 10. b3 d6 11. Bb2 Bg4 12. Qd2 Qd7 13. Nf4 a6 14. Rfe1 Bf8 15. Ncd5 Nh5 16. Nxh5 Bxh5 17. Rxe8 Rxe8 18. Re1 Rxe1+ 19. Qxe1 Bg6 20. Bc3 Bf5 21. Be4 Bg6 22. Kg2 Nd8 23. Nf4 Bf5 24. Qb1 Bxe4+ 25. Qxe4 c6 26. d5 Qe7 27. Kf3 g6 28. h4 Qxe4+ 29. Kxe4 f5+ 30. Ke3 Bh6 31. Bf6 Nf7 32. Be7 c5 33. Ke2 Bf8 34. Bg5 h6 35. Bf6 Bg7 36. Be7 Bf8 37. Bxf8 Kxf8 38. Nxg6+ Kg7 39. Nf4 Kf6 40. Ne6 b5 41. f4 b4 42. h5 a5 43. Kf3 Ke7 44. g4 Kf6 45. Kg3 Nh8 46. g5+ hxg5 47. fxg5+ Kf7 48. Kf4 1-0

[Event "British Columbia-op"]
[Site "Richmond"]
[Date "2015.02.08"]
[Round "3.4"]
[White "Patterson, Roger"]
[Black "Kenney, Jason"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2106"]
[BlackElo "2158"]
[PlyCount "94"]
[EventDate "2015.02.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. Bg2 Nf6 5. a3 d6 6. Nf3 e4 7. Ng5 h6 8. Nh3 g5 9. d3 exd3 10. exd3 Qe7+ 11. Qe2 Qxe2+ 12. Kxe2 Nd4+ 13. Kd1 Nb3 14. Rb1 Nxc1 15. Rxc1 Bg7 16. Re1+ Kd8 17. Rc2 Re8 18. Rxe8+ Nxe8 19. Re2 c6 20. Ng1 Nc7 21. Nf3 Rb8 22. Nd2 Bd7 23. Kc2 Ne6 24. Nb3 Be5 25. Rd2 Nd4+ 26. Nxd4 Bxd4 27. Re2 Bf6 28. Rd2 a6 29. d4 b5 30. cxb5 axb5 31. b4 Ke7 32. d5 c5 33. bxc5 dxc5 34. d6+ Kd8 35. Nd5 Be5 36. f4 Bxd6 37. Nf6 Rb6 38. fxg5 hxg5 39. Nxd7 Kxd7 40. h4 Ke6 41. hxg5 Bxg3 42. Rd5 b4 43. axb4 cxb4 44. Kb3 Be5 45. Rc5 Bd6 46. Ra5 f4 47. Be4 Be7 1/2-1/2

[Event "British Columbia-op"]
[Site "Richmond"]
[Date "2015.02.07"]
[Round "1.9"]
[White "Caluza, Severo"]
[Black "Patterson, Roger"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1756"]
[BlackElo "2106"]
[PlyCount "78"]
[EventDate "2015.02.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 f5 2. b3 d6 3. d4 Nf6 4. Nbd2 g6 5. e3 Bg7 6. Bd3 Nc6 7. Bb2 0-0 8. 0-0 e5 9. dxe5 Ng4 10. h3 Ngxe5 11. Nxe5 Nxe5 12. Nc4 Nxd3 13. Qxd3 Bxb2 14. Nxb2 Qf6 15. Na4 Be6 16. Nc3 Rad8 17. Rad1 c6 18. Qd4 Qxd4 19. Rxd4 Rd7 20. Rfd1 Rfd8 21. Ne2 Kg7 22. c4 Kf6 23. f4 c5 24. R4d2 d5 25. Nc3 dxc4 26. Rxd7 Rxd7 27. Rxd7 Bxd7 28. bxc4 Be6 29. e4 Bxc4 30. e5+ Ke6 31. a4 b6 32. Kf2 a6 33. Ke3 b5 34. a5 Kd7 35. g4 Kc6 36. Nb1 b4 37. Nd2 Be6 38. gxf5 Bxf5 39. h4 Kd5 0-1

[Event "British Columbia-op"]
[Site "Richmond"]
[Date "2015.02.07"]
[Round "2.1"]
[White "Sohal, Tanraj"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2329"]
[BlackElo "2106"]
[PlyCount "99"]
[EventDate "2015.02.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 a6 5. Bxc4 e6 6. 0-0 c5 7. Bb3 Nc6 8. Nc3 Be7 9. a3 0-0 10. h3 Bd7 11. Qe2 cxd4 12. exd4 Rc8 13. Bf4 Na5 14. Bc2 Nc4 15. Nd1 Bc6 16. Be3 Nxe3 17. fxe3 Ne4 18. Bxe4 Bxe4 19. Nc3 Bd5 20. Nxd5 exd5 21. Rac1 Bd6 22. Qd3 Qe7 23. Rxc8 Rxc8 24. Kh1 Bb8 25. Qf5 Rf8 26. Qxd5 Qxe3 27. Qxb7 Qd3 28. Re1 Bg3 29. Qe4 Qxe4 30. Rxe4 Rc8 31. Re3 Rc1+ 32. Ng1 Bd6 33. Re8+ Bf8 34. Kh2 f6 35. g3 Kf7 36. Re2 Bd6 37. Nf3 h5 38. Kg2 g5 39. g4 hxg4 40. hxg4 Bf4 41. Kf2 a5 42. Ne1 Rd1 43. Nf3 Rc1 44. Kg2 a4 45. Kf2 Rc4 46. Kg1 Rc1+ 47. Kg2 Rc4 48. Kf2 Rc1 49. Re1 Rc2+ 50. Re2 1/2-1/2

[Event "Washington Class-ch Masters"]
[Site "Lynnwood"]
[Date "2014.11.30"]
[Round "5"]
[White "Villavieja, Butch"]
[Black "Patterson, Roger"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2173"]
[BlackElo "2069"]
[PlyCount "43"]
[EventDate "2014.11.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[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 b5 6. Bb3 Bc5 7. c3 d6 8. h3 Bb7 9. Re1 Bb6 10. d3 Ne7 11. Nbd2 0-0 12. Nf1 h6 13. Nh4 Re8 14. Ng3 d5 15. Nh5 Qd6 16. exd5 Bxd5 17. Bxd5 Nfxd5 18. Qg4 g5 19. Bxg5 hxg5 20. Qxg5+ Ng6 21. Nf5 Qf8 22. c4 1-0

[Event "Washington Class-ch Masters"]
[Site "Lynnwood"]
[Date "2014.11.29"]
[Round "4"]
[White "Patterson, Roger"]
[Black "Bishop, Alan"]
[Result "1/2-1/2"]
[ECO "A39"]
[WhiteElo "2069"]
[BlackElo "1856"]
[PlyCount "41"]
[EventDate "2014.11.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nf3 Bg7 5. Nc3 Nf6 6. d4 cxd4 7. Nxd4 0-0 8. 0-0 Qb6 9. Nb3 d6 10. Bg5 Be6 11. Nd5 Bxd5 12. cxd5 Ne5 13. Be3 Qb5 14. Bd4 Nfd7 15. f4 Nc4 16. Bxg7 Kxg7 17. Qd4+ Kg8 18. Rfc1 Rfc8 19. Bh3 Ncb6 20. e4 a5 21. Rxc8+ 1/2-1/2

[Event "Washington Class-ch Masters"]
[Site "Lynnwood"]
[Date "2014.11.29"]
[Round "3"]
[White "Patterson, Roger"]
[Black "Doknjas, Joshua"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2069"]
[BlackElo "2005"]
[PlyCount "88"]
[EventDate "2014.11.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 e6 6. d3 Nge7 7. e4 0-0 8. Nc3 d6 9. Be3 e5 10. Nd2 f5 11. f4 Be6 12. Nd5 exf4 13. gxf4 Qd7 14. Rb1 Rfe8 15. Bf2 Bf7 16. Nf3 h6 17. Qd2 fxe4 18. dxe4 Nxd5 19. cxd5 Ne7 20. Rbd1 Qa4 21. Rfe1 Qxa2 22. e5 Nxd5 23. Nh4 Nxf4 24. Qxf4 g5 25. Qd2 gxh4 26. exd6 Rxe1+ 27. Rxe1 Qc4 28. Bxb7 Rd8 29. Re4 Qb5 30. Bd5 Bxd5 31. Qxd5+ Kh8 32. Qxc5 Qxb2 33. Rxh4 Rg8 34. Rg4 Rf8 35. d7 Qb1+ 36. Kg2 Qb7+ 37. Kg1 Qxd7 38. h3 Qd1+ 39. Kg2 Qf3+ 40. Kg1 Rd8 41. Kh2 Rd2 42. Rg2 Re2 43. Qxa7 Qf8 44. Bg3 Rxg2+ 1/2-1/2

[Event "Washington Class-ch Masters"]
[Site "Lynnwood"]
[Date "2014.11.28"]
[Round "2"]
[White "Greninger, Harley"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2166"]
[BlackElo "2069"]
[PlyCount "55"]
[EventDate "2014.11.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 g6 3. Nc3 Bg7 4. e4 fxe4 5. Nxe4 d5 6. Nc5 b6 7. Nb3 Nf6 8. Nf3 0-0 9. Be2 Nbd7 10. 0-0 Bb7 11. Bh4 Re8 12. Ne5 Nxe5 13. dxe5 Nd7 14. f4 Nf8 15. Bg4 c5 16. c3 Qc7 17. Qc2 e6 18. a4 a5 19. Be2 Nd7 20. Bb5 Bf8 21. Nd2 Be7 22. Bxe7 Rxe7 23. Nf3 Bc6 24. Bxc6 Qxc6 25. h4 Rf8 26. g3 Nb8 27. Kh2 Qe8 28. Ng5 1/2-1/2

[Event "Washington Class-ch Masters"]
[Site "Lynnwood"]
[Date "2014.11.28"]
[Round "1"]
[White "Patterson, Roger"]
[Black "Sinanan, Joshua C"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2069"]
[BlackElo "2229"]
[PlyCount "84"]
[EventDate "2014.11.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. Bg2 Nf6 5. e3 d5 6. cxd5 Nb4 7. d3 Nbxd5 8. a3 c6 9. Nge2 Be6 10. 0-0 a5 11. Qc2 Bd6 12. e4 fxe4 13. dxe4 Nxc3 14. Qxc3 0-0 15. f3 Nd7 16. Be3 Qe7 17. Rac1 Rfc8 18. f4 b6 19. fxe5 Bxe5 20. Bd4 Bg4 21. Nf4 Bxd4+ 22. Qxd4 Qe5 23. Qc4+ Kh8 24. h3 Bh5 25. Rf2 Nf6 26. Nxh5 Qxh5 27. Rf5 Qe8 28. Rcf1 Qe7 29. e5 Nd7 30. Qd4 Qc5 31. Qxc5 Nxc5 32. Bxc6 g6 33. Bxa8 gxf5 34. Bg2 Rf8 35. Rd1 Re8 36. Rd6 Rxe5 37. Rxb6 a4 38. Rb4 Re1+ 39. Kh2 Rc1 40. g4 fxg4 41. Rxg4 Rc2 42. Rb4 Kg7 1/2-1/2

[Event "Richmond Keres Memorial 39th"]
[Site "Richmond"]
[Date "2014.05.19"]
[Round "6.7"]
[White "Patterson, Roger"]
[Black "Roback, Joe"]
[Result "0-1"]
[ECO "A29"]
[BlackElo "1940"]
[PlyCount "84"]
[EventDate "2014.05.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. 0-0 Be7 8. a3 a5 9. d3 0-0 10. Be3 f5 11. Rc1 Bf6 12. Bxb6 cxb6 13. Nd2 Be6 14. Nb5 Rc8 15. Nc4 Nd4 16. Nxd4 Qxd4 17. Qb3 e4 18. Qxb6 Qxb6 19. Nxb6 Rxc1 20. Rxc1 Bxb2 21. Rb1 Bxa3 22. dxe4 fxe4 23. Bxe4 Bc5 24. e3 Rb8 25. Rb5 Bb4 26. Nd5 Bd7 27. Rb6 Bc5 28. Rb1 b5 29. Rc1 Bd6 30. Rd1 Kf7 31. Nf6 Kxf6 32. Rxd6+ Ke7 33. Ra6 a4 34. Bxh7 b4 35. f4 b3 36. g4 b2 37. Kf2 b1Q 38. Bxb1 Rxb1 39. h4 Ra1 40. f5 a3 41. e4 a2 42. e5 Rf1+ 0-1

