[Event "San Francisco Capps Memorial"]
[Site "San Francisco"]
[Date "1977.11.??"]
[Round "2"]
[White "Gabrielson, Roger"]
[Black "Braga, Cicero Nogueira"]
[Result "0-1"]
[ECO "E66"]
[PlyCount "72"]
[EventDate "1977.11.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nc6 7. Nc3 a6 8. d5 Na5 9. Nd2 c5 10. Qc2 Rb8 11. b3 b5 12. Bb2 bxc4 13. bxc4 Bh6 14. f4 e5 15. dxe6 fxe6 16. Rab1 Bg7 17. Ba1 Bb7 18. Bxb7 Nxb7 19. Nce4 Qe7 20. Rb6 d5 21. Ng5 Nd6 22. Rfb1 Rxb6 23. Rxb6 d4 24. Ndf3 Ng4 25. Nh4 e5 26. Nxg6 hxg6 27. Qxg6 Nf6 28. f5 Nxc4 29. Rc6 Qb7 30. Ne6 Qb1+ 31. Kf2 Ne4+ 32. Kg2 Ne3+ 33. Kh3 Qf1+ 34. Kh4 Nxf5+ 35. Kg4 Qxe2+ 36. Kh3 Nf2+ 0-1

[Event "CalChess Class-ch op"]
[Site "Berkeley"]
[Date "1977.??.??"]
[Round "1"]
[White "Chernin, Oliver"]
[Black "Gabrielson, Roger"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "79"]
[EventDate "1977.09.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 Nc6 4. Nf3 e5 5. d5 Nd4 6. Be3 c5 7. Be2 d6 8. 0-0 Ne7 9. Ne1 0-0 10. Nc3 f5 11. f3 f4 12. Bf2 g5 13. g4 h5 14. h3 Rf6 15. Nd3 Rh6 16. Kg2 Kf7 17. Rh1 Bd7 18. b4 b6 19. Rb1 Qc7 20. bxc5 bxc5 21. Qd2 Rah8 22. Qb2 Bc8 23. Nb5 Qd7 24. a4 Ng6 25. Qd2 R8h7 26. Bxd4 exd4 27. Qa5 a6 28. Nc7 Qe7 29. Nxa6 hxg4 30. hxg4 Bxg4 31. Rxh6 Rxh6 32. Qc7 Bh3+ 33. Kf2 Qxc7 34. Nxc7 Bc8 35. Rb8 Ne7 36. Kg1 Bd7 37. a5 Rh8 38. Rb7 Bc8 39. Rb1 Bh3 40. a6 1-0

[Event "CalChess Class-ch op"]
[Site "Berkeley"]
[Date "1977.??.??"]
[Round "3"]
[White "Dyslin, Mike"]
[Black "Gabrielson, Roger"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "109"]
[EventDate "1977.09.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 Nf6 5. Nc3 0-0 6. 0-0 Bg4 7. h3 Bxf3 8. Bxf3 Nc6 9. Bg5 Nd7 10. Be3 e5 11. dxe5 Ncxe5 12. Be2 Nb6 13. Rb1 Nec4 14. Bc1 c6 15. Bd3 Qf6 16. f4 Qd4+ 17. Rf2 Rae8 18. Qf3 Re7 19. Ne2 Qc5 20. b4 Qb5 21. c3 c5 22. bxc5 Qxc5 23. Qg3 Kh8 24. Kh1 d5 25. f5 Be5 26. Qh4 gxf5 27. exf5 f6 28. Nf4 Bxf4 29. Bxf4 Ne5 30. Bxe5 Rxe5 31. Rf3 Qe7 32. Rbf1 Nd7 33. Rg3 Nc5 34. Bb1 Re1 35. Rxe1 Qxe1+ 36. Kh2 Qxb1 37. Qg4 Ne6 38. fxe6 Qg6 39. Qxg6 hxg6 40. Rxg6 Kh7 41. e7 Re8 42. Rxf6 Rxe7 43. Rd6 Re2 44. Rxd5 Rxa2 45. Rd7+ Kg6 46. Rxb7 a5 47. Ra7 a4 48. c4 Kf5 49. c5 Ke5 50. c6 Kd6 51. c7 Kd7 52. h4 a3 53. Kh3 Ra1 54. Kg4 a2 55. g3 1-0

[Event "CalChess Class-ch op"]
[Site "Berkeley"]
[Date "1977.??.??"]
[Round "6"]
[White "Gabrielson, Roger"]
[Black "John, Kenneth E"]
[Result "1-0"]
[ECO "A89"]
[PlyCount "93"]
[EventDate "1977.09.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 f5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. d4 0-0 6. Nf3 d6 7. 0-0 Nc6 8. d5 Na5 9. Nd2 c5 10. a3 Nd7 11. Qc2 Ne5 12. b3 Bd7 13. f4 Ng4 14. Nf3 e5 15. dxe6 Bxe6 16. h3 Nf6 17. Rd1 Ne4 18. Nxe4 Bxa1 19. Nxd6 Qf6 20. Ng5 Kg7 21. Bd2 Nc6 22. Bxc6 bxc6 23. Rxa1 Qd4+ 24. Kh2 Qxd6 25. Rd1 Qe7 26. Bc3+ Kg8 27. Ba1 Rfd8 28. Qb2 Kf8 29. Qh8+ Bg8 30. Bg7+ Qxg7 31. Ne6+ Ke7 32. Qxg7+ Kxe6 33. Qe5+ Kf7 34. Qc7+ Ke8 35. Qxc6+ Kf7 36. Rd7+ Rxd7 37. Qxd7+ Kf6 38. g4 fxg4 39. e4 Be6 40. Qxh7 Bf7 41. hxg4 Ke7 42. Qh4+ Kf8 43. Qh8+ Bg8 44. Qf6+ Bf7 45. e5 Re8 46. f5 Kg8 47. e6 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1976.??.??"]
[Round "3"]
[White "Gabrielson, Roger"]
[Black "Chaplin, Paul"]
[Result "0-1"]
[ECO "A15"]
[PlyCount "62"]
[EventDate "1976.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. b4 Nf6 2. Bb2 g6 3. g3 Bg7 4. Bg2 c6 5. Nf3 d6 6. 0-0 0-0 7. c4 e5 8. d3 Nbd7 9. Nc3 Nh5 10. Rb1 f5 11. b5 c5 12. Nd5 Nb6 13. Ne1 Be6 14. Nc2 f4 15. Nc3 Qd7 16. Ne4 Bh3 17. Bxh3 Qxh3 18. Nxd6 Nf6 19. f3 fxg3 20. hxg3 Qxg3+ 21. Kh1 Rad8 22. Ne4 Nxe4 23. fxe4 Qh3+ 24. Kg1 Nxc4 25. Rf3 Rxf3 26. exf3 Qg3+ 27. Kh1 Bh6 28. Qe2 Qh3+ 29. Kg1 Nd2 30. Rd1 Nxf3+ 31. Kf2 Qh2+ 0-1

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1976.??.??"]
[Round "7"]
[White "Gabrielson, Roger"]
[Black "Loftsson, Julius H"]
[Result "1/2-1/2"]
[ECO "B36"]
[PlyCount "86"]
[EventDate "1976.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. e4 Nxd4 7. Qxd4 d6 8. Be2 Bg7 9. 0-0 0-0 10. Bg5 h6 11. Bh4 Be6 12. Qd2 Qa5 13. Rad1 Rfc8 14. b3 g5 15. Bg3 b5 16. Nxb5 Qxd2 17. Rxd2 Nxe4 18. Rd3 f5 19. f4 Bd7 20. Nd4 gxf4 21. Be1 e5 22. Nc2 Bf8 23. Bf3 Be6 24. Nb4 Rab8 25. Nd5 Rb7 26. Nf6+ Kg7 27. Nxe4 fxe4 28. Bxe4 Rf7 29. Bb4 Bf5 30. Bxf5 Rxf5 31. Bxd6 e4 32. Bxf8+ Rcxf8 33. Rd7+ R8f7 34. Rfd1 e3 35. Kf1 Ra5 36. Rxf7+ Kxf7 37. Rd4 Rxa2 38. Rxf4+ Kg6 39. Re4 Ra1+ 40. Ke2 Ra2+ 41. Kxe3 Rxg2 42. Rh4 Rb2 43. Kd4 Rxb3 1/2-1/2

[Event "American op 10th"]
[Site "Santa Monica"]
[Date "1974.12.01"]
[Round "7"]
[White "Gabrielson, Roger"]
[Black "Hanken, Jerome B"]
[Result "1-0"]
[ECO "A37"]
[PlyCount "35"]
[EventDate "1974.11.28"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. c4 c5 4. Nc3 Nc6 5. Nf3 f5 6. 0-0 e6 7. e3 d5 8. cxd5 exd5 9. d4 c4 10. b3 Nge7 11. bxc4 dxc4 12. Qa4 Be6 13. Rb1 Qa5 14. Rxb7 Qxa4 15. Nxa4 0-0-0 16. Nc5 Bd5 17. Ng5 Bxg2 18. Kxg2 1-0

[Event "American op 10th"]
[Site "Santa Monica"]
[Date "1974.11.30"]
[Round "5"]
[White "Blackstone, John"]
[Black "Gabrielson, Roger"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "78"]
[EventDate "1974.11.28"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f3 Nf6 5. Be3 0-0 6. Bc4 c6 7. Qd2 Nbd7 8. Bb3 e5 9. d5 c5 10. a4 Nh5 11. Nh3 Nb6 12. Nf2 f5 13. a5 Nd7 14. Bg5 Bf6 15. Bh6 Rf7 16. a6 bxa6 17. Bc4 Qb6 18. 0-0 f4 19. Qd3 Nb8 20. Ra3 Bh8 21. Bg5 h6 22. Bxh6 Qd8 23. Ng4 Qh4 24. Ne2 Nf6 25. g3 Qh5 26. Nxf4 exf4 27. Nxf6+ Bxf6 28. Bxf4 Bh3 29. Re1 Bd4+ 30. Kh1 Rh7 31. Qd2 Bxb2 32. Rb3 Be5 33. g4 Bxf4 34. Qxf4 Qh4 35. Reb1 Nd7 36. Qxd6 Qf2 37. Rg1 Qxc2 38. Rb7 Bxg4 39. Rxg4 Qxc4 1-0

[Event "American op 10th"]
[Site "Santa Monica"]
[Date "1974.11.29"]
[Round "3"]
[White "Lucas, Spencer"]
[Black "Gabrielson, Roger"]
[Result "1-0"]
[ECO "B25"]
[PlyCount "91"]
[EventDate "1974.11.28"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. d3 d6 4. e4 c5 5. Nc3 Nc6 6. f4 e6 7. Nf3 Nge7 8. 0-0 0-0 9. Bd2 Rb8 10. Rb1 b5 11. a3 a5 12. a4 b4 13. Nb5 Nd4 14. c4 Nec6 15. Be3 e5 16. Nfxd4 Nxd4 17. f5 gxf5 18. Bxd4 exd4 19. exf5 Be5 20. Qh5 Bb7 21. f6 Kh8 22. Bh3 Bc8 23. Bf5 Bxf5 24. Rxf5 Bxf6 25. Rbf1 Be5 26. Rxf7 Rxf7 27. Rxf7 Qg8 28. Qf3 Qg5 29. Rf8+ Rxf8 30. Qxf8+ Qg8 31. Qxg8+ Kxg8 32. b3 Kf7 33. Kf2 Ke6 34. Nc7+ Kf5 35. Kf3 Kg5 36. Nd5 Kf5 37. Ne7+ Ke6 38. Nc6 Kd7 39. Nxe5+ dxe5 40. Ke4 Ke6 41. g4 Kf6 42. h4 h6 43. Kd5 h5 44. gxh5 Kf5 45. h6 e4 46. h7 1-0

[Event "American op 10th"]
[Site "Santa Monica"]
[Date "1974.11.28"]
[Round "2"]
[White "Gabrielson, Roger"]
[Black "Siff, Boris"]
[Result "1/2-1/2"]
[ECO "A25"]
[PlyCount "51"]
[EventDate "1974.11.28"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. g3 e5 2. c4 Nf6 3. Bg2 Bc5 4. Nc3 Nc6 5. d3 0-0 6. Nf3 d6 7. Bg5 h6 8. Bxf6 Qxf6 9. 0-0 Qd8 10. a3 a5 11. Qd2 Be6 12. e3 Bb6 13. b3 Ne7 14. d4 exd4 15. Nxd4 Bxd4 16. Qxd4 Nc6 17. Qd2 a4 18. Nxa4 Bxc4 19. bxc4 Rxa4 20. c5 dxc5 21. Qc2 Ra5 22. Bxc6 bxc6 23. Rfd1 Qf6 24. a4 g6 25. Qc4 Rfa8 26. Kg2 1/2-1/2

[Event "US Open-75"]
[Site "New York"]
[Date "1974.08.14"]
[Round "4"]
[White "Gilden, Lawrence C"]
[Black "Gabrielson, Roger"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "59"]
[EventDate "1974.08.11"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Qb6 7. Qb3 Bd7 8. Nd2 Qxb3 9. axb3 e6 10. h3 Be7 11. Ngf3 0-0 12. Ke2 Rfc8 13. Ra2 Nh5 14. Bh2 g5 15. b4 Nf4+ 16. Bxf4 gxf4 17. b5 Nd8 18. Rha1 f6 19. Rxa7 Rxa7 20. Rxa7 Bd6 21. c4 dxc4 22. Nxc4 Be7 23. Nb6 Rc7 24. d5 e5 25. Ra8 e4 26. Bxe4 Bxb5+ 27. Kd1 Kg7 28. Nd4 Bc5 29. Rxd8 Bxb6 30. Ne6+ 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1974.03.22"]
[Round "8"]
[White "Gabrielson, Roger"]
[Black "Denker, Arnold Sheldon"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "70"]
[EventDate "1974.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 0-0 6. 0-0 Nc6 7. d5 Nb8 8. h3 c6 9. c4 Na6 10. Nc3 cxd5 11. cxd5 Nc5 12. Bc2 Bd7 13. Be3 Rc8 14. Qd2 b5 15. b4 Na6 16. e5 dxe5 17. Nxe5 Nxb4 18. Bb3 a5 19. a4 bxa4 20. Nxa4 Bxa4 21. Rxa4 Nfxd5 22. Bxd5 Nxd5 23. Rxa5 Nxe3 24. Qxd8 Rfxd8 25. fxe3 f5 26. Rf2 Rd1+ 27. Kh2 Re1 28. Rf3 Bf6 29. Nd3 Rd1 30. Nf4 Bh4 31. Rd5 Ra1 32. Ne2 Rc2 33. Rd8+ Kf7 34. Rf4 Bg5 35. Nd4 Bxf4+ 0-1

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1974.03.20"]
[Round "5"]
[White "Gabrielson, Roger"]
[Black "Kaplan, Julio P"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "56"]
[EventDate "1974.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 d6 3. g3 Nc6 4. Bg2 f5 5. c4 Nf6 6. Nc3 g6 7. Nf3 e4 8. Ng5 Bg7 9. h4 0-0 10. 0-0 h6 11. Nh3 Ng4 12. d3 e3 13. f4 Qe8 14. Qc1 Nd4 15. Bf3 c6 16. b4 Bd7 17. b5 cxb5 18. Nxb5 Bxb5 19. cxb5 Rc8 20. Qd1 Nxf3+ 21. Rxf3 Qxb5 22. Bxg7 Kxg7 23. Rb1 Qd5 24. Qa4 Rf7 25. Qxa7 Rc2 26. Re1 Rxe2 27. Rxe2 Qxf3 28. Qd4+ Kh7 0-1

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1974.03.19"]
[Round "3"]
[White "Gabrielson, Roger"]
[Black "Grefe, John Alan"]
[Result "1/2-1/2"]
[ECO "A15"]
[PlyCount "80"]
[EventDate "1974.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 e5 7. c4 c6 8. Nc3 Re8 9. d3 d5 10. cxd5 cxd5 11. Rc1 Nc6 12. Qc2 Bg4 13. Qb1 d4 14. Na4 Rc8 15. h3 Be6 16. Nc5 Bd5 17. Ne4 Nh5 18. Ba3 Bf8 19. Bxf8 Rxf8 20. Ned2 Qe7 21. Nc4 b5 22. e4 dxe3 23. Nxe3 Be6 24. Qb2 Qd6 25. Rfd1 Nd4 26. Nxd4 exd4 27. Ng4 b4 28. Qe2 Rc3 29. Qe5 Qxe5 30. Nxe5 Rfc8 31. Nc6 R8xc6 32. Bxc6 Bxh3 33. Bd5 Nf6 34. Bc4 Nd7 35. Re1 Kf8 36. f4 Bf5 37. Kf2 Nc5 38. Rxc3 bxc3 39. Ke2 Bg4+ 40. Kf2 Bf5 1/2-1/2

