[Event "Vancouver op"]
[Site "Vancouver"]
[Date "2015.08.22"]
[Round "1"]
[White "Chalfen, Allen"]
[Black "Schill, William"]
[Result "0-1"]
[ECO "E69"]
[WhiteElo "1839"]
[BlackElo "2281"]
[PlyCount "100"]
[EventDate "2015.08.22"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 d6 5. g3 0-0 6. Bg2 Nbd7 7. 0-0 e5 8. e4 c6 9. h3 Qb6 10. c5 dxc5 11. dxe5 Ne8 12. Qc2 Qc7 13. Bf4 Nxe5 14. Nxe5 Bxe5 15. Bxe5 Qxe5 16. f4 Qe7 17. e5 Bf5 18. Qf2 Rd8 19. Rfd1 Ng7 20. Kh2 h5 21. Bf3 Rd4 22. Rxd4 cxd4 23. Qxd4 Rd8 24. Qf2 Qb4 25. Rd1 Rxd1 26. Bxd1 Ne6 27. Qd2 Qd4 28. Qxd4 Nxd4 29. g4 hxg4 30. hxg4 Bd3 31. Kg3 Ne6 32. Bf3 g5 33. f5 Nc5 34. b4 Nd7 35. e6 fxe6 36. fxe6 Nf6 37. Be2 Bh7 38. Bf3 Bd3 39. a4 Kf8 40. b5 cxb5 41. axb5 b6 42. Be2 Bc2 43. Bc4 Ke7 44. Nd5+ Nxd5 45. Bxd5 Bd3 46. Bc6 Kxe6 47. Kf3 Ke5 48. Ke3 Bc4 49. Be8 Be6 50. Kf3 Kd4 0-1

[Event "Portland op"]
[Site "Portland"]
[Date "1991.??.??"]
[Round "2"]
[White "Bricher, James"]
[Black "Chalfen, Allen"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "129"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Be7 5. Nf3 Nf6 6. Bd3 Nbd7 7. c3 0-0 8. 0-0 Nxe4 9. Bxe4 Nf6 10. Bc2 b6 11. Bg5 Bb7 12. Re1 c5 13. Qd3 g6 14. Bh6 Re8 15. Ba4 Nd7 16. Qb5 Nf6 17. Qe2 Nd7 18. Rad1 Qc7 19. dxc5 Red8 20. Bxd7 Rxd7 21. Rxd7 Qxd7 22. Qe5 Bf8 23. Bxf8 Rxf8 24. Nd4 bxc5 25. Qxc5 Rc8 26. Qe5 Bd5 27. b3 Rd8 28. f3 Qe7 29. Qe3 Qh4 30. Qf2 Qf6 31. Qe3 Qh4 32. Nc2 Bc6 33. c4 a5 34. Qc3 Qf4 35. Qe3 Qh4 36. Qe2 Qf6 37. Rd1 Rxd1+ 38. Qxd1 Qb2 39. Qd8+ Kg7 40. Qd4+ Qxd4+ 41. Nxd4 Bd7 42. f4 Kf6 43. Kf2 e5 44. fxe5+ Kxe5 45. Ke3 f5 46. Nf3+ Kd6 47. Kd4 Bc6 48. a3 h6 49. Ne5 Be8 50. g3 g5 51. b4 axb4 52. axb4 Bh5 53. c5+ Kc7 54. b5 Be2 55. b6+ Kb7 56. Nf7 f4 57. gxf4 gxf4 58. Nxh6 f3 59. Ng4 Kc6 60. Nf2 Ba6 61. h4 Bc8 62. h5 Bf5 63. h6 Bh7 64. Ke3 Bg8 65. Kxf3 1-0

[Event "Northwest Chess December op"]
[Site "Seattle"]
[Date "1985.12.??"]
[Round "?"]
[White "Chalfen, Allen"]
[Black "Ansted, Marv"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "72"]
[EventDate "1985.12.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Qc1 c5 5. c3 cxd4 6. cxd4 Nc6 7. Nc3 Qa5 8. Bd2 Qb6 9. e3 d6 10. d5 Nb4 11. Bb5+ Bd7 12. Bxd7+ Kxd7 13. 0-0 Nfxd5 14. e4 Nxc3 15. bxc3 Nd3 16. Qc2 Ne5 17. Nd4 Nc6 18. Rab1 Qa6 19. Be3 Rhc8 20. Qb3 Nd8 21. Nb5 Ke8 22. f4 Qc6 23. Bxa7 Rxa7 24. Kh1 Ra5 25. a4 Qc4 26. Qb2 Qxa4 27. e5 Rxb5 28. Qxb5+ Qxb5 29. Rxb5 Rxc3 30. exd6 exd6 31. h3 Rc5 32. Rb3 d5 33. Re3+ Kd7 34. Rfe1 Ne6 35. g4 d4 36. Re4 b5 0-1

[Event "London Bayswater op 3rd"]
[Site "London"]
[Date "1971.06.13"]
[Round "4"]
[White "Chalfen, Allen"]
[Black "Sigoun, V."]
[Result "0-1"]
[ECO "A97"]
[PlyCount "46"]
[EventDate "1971.06.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 d6 5. d4 Be7 6. Nc3 0-0 7. 0-0 Qe8 8. e3 Nbd7 9. b3 e5 10. dxe5 dxe5 11. Bb2 e4 12. Ne1 Bd6 13. Rc1 b6 14. Nb5 Be5 15. Ba3 c5 16. Qe2 Qe6 17. Rd1 a6 18. f4 axb5 19. fxe5 Nxe5 20. Bc1 bxc4 21. Bh3 g6 22. bxc4 Ba6 23. Qc2 Bxc4 0-1

