[Event "American op"]
[Site "Los Angeles"]
[Date "1989.??.??"]
[Round "5"]
[White "Brooks, Michael A"]
[Black "Choobak, Khosrow"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2385"]
[PlyCount "83"]
[EventDate "1989.11.23"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Ne7 12. Nxf6+ gxf6 13. Bd3 d5 14. 0-0 Bb7 15. Re1 dxe4 16. Bxe4 Bxe4 17. Rxe4 Qxd1+ 18. Rxd1 Rd8 19. Rxd8+ Kxd8 20. Kf1 Kd7 21. c4 b4 22. Nc2 a5 23. Re1 Rc8 24. b3 Nc6 25. Rd1+ Ke7 26. Rd5 Rd8 27. Ne3 Rxd5 28. cxd5 Nd8 29. Nc4 Nb7 30. Ke2 Nc5 31. Nxa5 Kd6 32. Nc6 Na6 33. Nd8 Kxd5 34. Nxf7 Kd4 35. Nd6 Kc3 36. Ne4+ Kb2 37. Kd3 f5 38. Nd6 Kxa2 39. Kc4 f4 40. f3 Nb8 41. Kxb4 Nc6+ 42. Kc5 1-0

[Event "American op"]
[Site "Los Angeles"]
[Date "1989.??.??"]
[Round "2"]
[White "Gurevich, Dmitry"]
[Black "Choobak, Khosrow"]
[Result "1-0"]
[ECO "E99"]
[WhiteElo "2480"]
[PlyCount "99"]
[EventDate "1989.11.23"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. b4 Nf6 14. c5 h5 15. cxd6 cxd6 16. Rc1 g4 17. Nb5 g3 18. hxg3 fxg3 19. Bxg3 Bh6 20. Rc3 Ne8 21. Qc2 Ng6 22. Nd3 Bd7 23. Nc7 Nxc7 24. Rxc7 Bc6 25. Rxc6 bxc6 26. dxc6 Be3+ 27. Bf2 Qg5 28. Bxe3 Qxe3+ 29. Rf2 Kh7 30. Qc1 Qxc1+ 31. Nxc1 Rfc8 32. b5 a6 33. a4 axb5 34. Bxb5 Ne7 35. Rd2 Nxc6 36. Rxd6 Nd4 37. Nd3 Nxb5 38. Rd7+ Kh6 39. axb5 Rd8 40. Rxd8 Rxd8 41. Nxe5 Kg7 42. b6 Rd2 43. Nc4 Rd1+ 44. Kf2 Rb1 45. Ke3 Kf6 46. f4 Ke6 47. f5+ Kf6 48. Kd4 h4 49. Kc5 Rb3 50. Na5 1-0

[Event "New York op"]
[Site "New York"]
[Date "1985.??.??"]
[Round "2"]
[White "Choobak, Khosrow"]
[Black "Alburt, Lev O"]
[Result "0-1"]
[ECO "B04"]
[BlackElo "2535"]
[PlyCount "34"]
[EventDate "1985.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 c6 6. Bc4 Bg7 7. Qf3 0-0 8. Nc3 h6 9. Nge4 dxe5 10. dxe5 Nd7 11. e6 Ne5 12. Qe2 Bxe6 13. Bb3 Qb6 14. Nxd5 cxd5 15. Nc3 d4 16. Nd5 Bxd5 17. Bxd5 Qa5+ 0-1

[Event "New York op"]
[Site "New York"]
[Date "1985.??.??"]
[Round "3"]
[White "Fischer, Robert"]
[Black "Choobak, Khosrow"]
[Result "0-1"]
[ECO "A14"]
[PlyCount "58"]
[EventDate "1985.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Be7 5. g3 0-0 6. Bg2 c5 7. 0-0 Nc6 8. e3 b6 9. Nc3 Ba6 10. d3 Rc8 11. Qe2 e5 12. cxd5 e4 13. Ne1 exd3 14. Qd2 Na5 15. e4 Nd7 16. Nxd3 c4 17. b4 cxd3 18. bxa5 Ne5 19. Rac1 Bb4 20. Ba1 bxa5 21. f4 Ng4 22. Rf3 f5 23. e5 Rc4 24. h3 Re4 25. hxg4 Re2 26. Rxd3 Qb6+ 27. Kh1 Qh6+ 28. Kg1 Bc5+ 29. Kf1 Rxd2 0-1

[Event "Northwest Chess August op"]
[Site "Seattle"]
[Date "1984.08.??"]
[Round "?"]
[White "Choobak, Khosrow"]
[Black "Haessler, Carl A"]
[Result "0-1"]
[ECO "B16"]
[PlyCount "88"]
[EventDate "1984.08.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Ne2 e6 8. Ng3 Bg6 9. h4 h5 10. Be2 Qa5 11. Bd2 Bd6 12. b4 Qd5 13. Bf3 Qc4 14. Nxh5 Nd7 15. Be2 Bd3 16. Ng3 Bxg3 17. fxg3 Rg8 18. Rh3 0-0-0 19. Bxd3 Qxd3 20. Qb1 Qc4 21. Qb3 Qd3 22. Qb1 Qc4 23. Qb3 Qd3 24. 0-0-0 Qe2 25. Bf4 e5 26. dxe5 fxe5 27. Bg5 f6 28. Bh6 Rg6 29. Bd2 Qxg2 30. Qe6 Rxg3 31. Rhh1 Qd5 32. Qxd5 cxd5 33. Be1 Rg2 34. Rxd5 Rxa2 35. h5 Rh8 36. h6 Rh7 37. Rh4 b6 38. Bd2 f5 39. Bg5 f4 40. Rd6 Kc7 41. Rg6 f3 42. Rg7 f2 43. Rh1 Ra1+ 44. Kb2 Rxh1 0-1

[Event "Anaheim Labate"]
[Site "Anaheim"]
[Date "1984.02.??"]
[Round "5"]
[White "Beelby, Matthew A"]
[Black "Choobak, Khosrow"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2215"]
[PlyCount "50"]
[EventDate "1984.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 Ne7 5. Bg5 0-0 6. e3 f6 7. Bh4 c5 8. Bd3 cxd4 9. exd4 dxc4 10. Bxc4 Nbc6 11. 0-0 Nf5 12. a3 Ba5 13. d5 exd5 14. Nxd5 Kh8 15. b4 Bb6 16. Re1 Ncd4 17. Re4 Nd6 18. Nxb6 Nxf3+ 19. Qxf3 Qxb6 20. Rf4 Nxc4 21. Rxc4 Be6 22. Rc3 Qd4 23. Bg3 Rac8 24. Rac1 Rxc3 25. Qxc3 Qxc3 1/2-1/2

[Event "Anaheim Labate"]
[Site "Anaheim"]
[Date "1984.02.??"]
[Round "11"]
[White "Choobak, Khosrow"]
[Black "Ivanov, Igor Vasilievich"]
[Result "0-1"]
[ECO "B56"]
[BlackElo "2550"]
[PlyCount "64"]
[EventDate "1984.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. g3 e5 7. Nde2 Be7 8. Bg2 0-0 9. 0-0 a6 10. h3 b5 11. Be3 b4 12. Nd5 Nxd5 13. exd5 Na5 14. b3 Bg5 15. Bxg5 Qxg5 16. Qe1 Nb7 17. Qxb4 a5 18. Qc3 Bf5 19. f4 exf4 20. gxf4 Qg6 21. Nd4 Be4 22. Rf2 Bxd5 23. Kh2 Rac8 24. Qb2 Bxg2 25. Rxg2 Qf6 26. Rxg7+ Kxg7 27. Nf5+ Kg6 28. Ne7+ Qxe7 29. Rg1+ Kf5 30. Rg5+ Ke6 31. c4 Kd7 32. Qg2 Nc5 0-1

[Event "Anaheim Labate"]
[Site "Anaheim"]
[Date "1984.02.??"]
[Round "6"]
[White "Choobak, Khosrow"]
[Black "Kopec, Danny"]
[Result "1/2-1/2"]
[ECO "C14"]
[PlyCount "96"]
[EventDate "1984.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Nfd7 5. d4 a6 6. Bg5 Be7 7. h4 c5 8. dxc5 Nc6 9. Bd3 Ncxe5 10. Nxe5 Nxe5 11. Qh5 Nd7 12. Bxe7 Qxe7 13. 0-0-0 Nf6 14. Qg5 0-0 15. Rh3 h6 16. Qe5 Qxc5 17. Rg3 Kh8 18. Ne4 Qe7 19. Nd6 Ne8 20. Nxe8 f6 21. Nxf6 Rxf6 22. f4 Qf8 23. Rf3 Bd7 24. g4 Qb8 25. Rdf1 Bc6 26. Qd4 Qa7 27. Qe5 Qb8 28. g5 Qxe5 29. fxe5 Rxf3 30. Rxf3 hxg5 31. hxg5 d4 32. Rf7 Kg8 33. Re7 Rd8 34. Bg6 Bd5 35. Bf7+ Kf8 36. Rc7 d3 37. cxd3 Bxa2 38. Rxb7 Rxd3 39. Kc2 Rf3 40. g6 Bd5 41. Rb8+ Ke7 42. Re8+ Kd7 43. Rg8 Re3 44. Rxg7 Rxe5 45. Rg8 Ke7 46. Rb8 Be4+ 47. Kc3 Kf6 48. b4 Bxg6 1/2-1/2

[Event "Anaheim Labate"]
[Site "Anaheim"]
[Date "1984.02.??"]
[Round "4"]
[White "Choobak, Khosrow"]
[Black "Lucky, David N"]
[Result "1-0"]
[ECO "C11"]
[BlackElo "2270"]
[PlyCount "35"]
[EventDate "1984.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Nfd7 5. d4 b6 6. Bg5 Be7 7. h4 0-0 8. Bd3 f5 9. exf6 Nxf6 10. Ne5 c5 11. Bxf6 Rxf6 12. Qh5 h6 13. g4 cxd4 14. g5 dxc3 15. gxf6 Bxf6 16. Qf7+ Kh8 17. Ng6+ Kh7 18. Ne7+ 1-0

[Event "Anaheim Labate"]
[Site "Anaheim"]
[Date "1984.02.??"]
[Round "2"]
[White "Choobak, Khosrow"]
[Black "Strauss, David J"]
[Result "1/2-1/2"]
[ECO "B70"]
[BlackElo "2410"]
[PlyCount "75"]
[EventDate "1984.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3 g6 7. Bg2 Nxd4 8. Qxd4 Bg7 9. 0-0 0-0 10. h3 Be6 11. Qd1 Rc8 12. Nd5 Re8 13. c3 Nxd5 14. exd5 Bd7 15. Bg5 b5 16. Qd2 Qb6 17. Rfe1 Bf6 18. Re4 Bxg5 19. Qxg5 e5 20. dxe6 Rxe6 21. Rxe6 Bxe6 22. a3 Rc5 23. Qe3 Qc7 24. Rd1 Re5 25. Qd4 Qc5 26. Bf1 Qxd4 27. cxd4 Rf5 28. f4 Bc4 29. Bxc4 bxc4 30. d5 g5 31. Rd4 Kg7 32. Kg2 gxf4 33. gxf4 Rh5 34. Kg3 Kg6 35. Kg4 Rf5 36. Rd2 Rh5 37. Rd1 Rf5 38. Kf3 1/2-1/2

[Event "Anaheim Labate"]
[Site "Anaheim"]
[Date "1984.02.??"]
[Round "9"]
[White "Choobak, Khosrow"]
[Black "Youngworth, Perry"]
[Result "1/2-1/2"]
[ECO "B20"]
[BlackElo "2330"]
[PlyCount "63"]
[EventDate "1984.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. b3 b6 3. Bb2 Bb7 4. Nc3 Nc6 5. Nf3 Nd4 6. Bd3 Nf6 7. 0-0 e6 8. Re1 Nxf3+ 9. Qxf3 Bd6 10. Qe2 Be5 11. Nd1 Qc7 12. Bxe5 Qxe5 13. Ne3 Qc7 14. Nc4 d5 15. exd5 Nxd5 16. Qe5 Qxe5 17. Nxe5 Nb4 18. Bb5+ Ke7 19. Rec1 Rac8 20. a3 Nc6 21. Nxc6+ Bxc6 22. a4 Bb7 23. Bf1 Rhd8 24. Rd1 a5 25. Bb5 g5 26. d3 Rd6 27. Re1 Kf6 28. Re3 h5 29. Rae1 Rcd8 30. Bc4 Bd5 31. Re5 h4 32. h3 1/2-1/2

[Event "Anaheim Labate"]
[Site "Anaheim"]
[Date "1984.02.??"]
[Round "10"]
[White "Fullbrook, Nigel"]
[Black "Choobak, Khosrow"]
[Result "1/2-1/2"]
[ECO "B33"]
[PlyCount "113"]
[EventDate "1984.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 0-0 8. 0-0 Bxc3 9. bxc3 Nxe4 10. Ba3 d6 11. Re1 Nc5 12. Bxc5 dxc5 13. Nxe5 Nxe5 14. Rxe5 b6 15. Qxd8 Rxd8 16. Rae1 Be6 17. Bxe6 fxe6 18. Rxe6 Rd2 19. Re7 h6 20. f3 Rad8 21. Re8+ Rxe8 22. Rxe8+ Kh7 23. Re7 Rxc2 24. Rxa7 Rxc3 25. Rb7 Rc1+ 26. Kf2 Rc2+ 27. Kg3 Rb2 28. a4 Rb4 29. f4 Kg6 30. Kf3 Kf6 31. g4 g5 32. f5 h5 33. gxh5 Kxf5 34. h6 Rxa4 35. Rxb6 Rh4 36. Rc6 c4 37. Kg3 Ke5 38. Rc5+ Kd4 39. Rxg5 Rxh6 40. h4 c3 41. Rg8 Rc6 42. Rd8+ Kc4 43. Rd1 c2 44. Rc1 Kc3 45. Kf4 Kd2 46. Rxc2+ Rxc2 47. h5 Rc5 48. Kg4 Ke2 49. h6 Rc7 50. Kf5 Kf3 51. Kg6 Kg4 52. h7 Rc6+ 53. Kf7 Kf5 54. h8Q Rc7+ 55. Kf8 Rc8+ 56. Kg7 Rxh8 57. Kxh8 1/2-1/2

[Event "Anaheim Labate"]
[Site "Anaheim"]
[Date "1984.02.??"]
[Round "7"]
[White "McCambridge, Vincent"]
[Black "Choobak, Khosrow"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2465"]
[PlyCount "65"]
[EventDate "1984.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 e5 4. g3 g6 5. Bg2 Bg7 6. a3 d6 7. 0-0 Be6 8. d3 Nge7 9. b4 e4 10. Nxe4 Bxa1 11. Bh6 f5 12. Qxa1 fxe4 13. Ng5 Kd7 14. Nxe6 Kxe6 15. Bh3+ Nf5 16. dxe4 Kf7 17. exf5 Qf6 18. Qd1 g5 19. Qd5+ Ke7 20. Qe4+ Kf7 21. Qd5+ Ke7 22. Qe6+ Qxe6 23. fxe6 Rhg8 24. f4 gxf4 25. Rxf4 Nd8 26. bxc5 dxc5 27. Bf5 Nxe6 28. Re4 Rg6 29. Be3 b6 30. Kg2 Rf8 31. Bxg6 hxg6 32. h4 Rd8 33. Bg5+ 1-0

[Event "Anaheim Labate"]
[Site "Anaheim"]
[Date "1984.02.??"]
[Round "1"]
[White "Micayabas, Marlo"]
[Black "Choobak, Khosrow"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2325"]
[PlyCount "73"]
[EventDate "1984.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nb5 Nf6 6. N1c3 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Bxf6 gxf6 11. Nd5 Bg7 12. Bd3 Ne7 13. Nxe7 Qxe7 14. c4 f5 15. 0-0 Bb7 16. f3 0-0 17. Kh1 fxe4 18. fxe4 f5 19. cxb5 fxe4 20. Bc4+ Kh8 21. Rxf8+ Qxf8 22. bxa6 Rxa6 23. Qb3 Qa8 24. Bxa6 Bxa6 25. Nb5 Qc6 26. a4 d5 27. Nc3 Bb7 28. Re1 e3 29. Nxd5 Qxd5 30. Qxd5 Bxd5 31. Rxe3 e4 32. b4 Bd4 33. Re2 e3 34. Rc2 Bb3 35. Rc8+ Kg7 36. Re8 Bc4 37. g4 0-1

[Event "Anaheim Labate"]
[Site "Anaheim"]
[Date "1984.02.??"]
[Round "8"]
[White "Remlinger, Larry"]
[Black "Choobak, Khosrow"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "2380"]
[PlyCount "148"]
[EventDate "1984.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 Nd7 8. Bd3 Bd6 9. 0-0 Qe7 10. Qc2 0-0 11. Rad1 Kh8 12. Kh1 dxc4 13. Bxc4 e5 14. Ne4 Bb8 15. Ng3 exd4 16. exd4 Nb6 17. Bb3 Nd5 18. Rfe1 Be6 19. Qe4 Bxg3 20. fxg3 Rae8 21. Bc2 Nf6 22. Qd3 g6 23. Qd2 Kg7 24. Ne5 Nd5 25. a3 Qg5 26. Qf2 Nf6 27. h3 Bd5 28. Kg1 Be6 29. Rf1 Nd5 30. Rde1 h5 31. Re4 Bf5 32. Nf3 Qf6 33. Rxe8 Rxe8 34. Bb3 Be4 35. Re1 Re7 36. Nd2 Qxf2+ 37. Kxf2 Bf5 38. Rxe7 Nxe7 39. Nf3 Kf6 40. Ne5 Be6 41. Bc2 Kg7 42. Nd3 Nd5 43. Nc5 Bc8 44. Be4 Nc7 45. Ke3 g5 46. Bf3 g4 47. hxg4 hxg4 48. Be4 f5 49. Bc2 Nd5+ 50. Kf2 Kf6 51. Bb3 b6 52. Nd3 Be6 53. Ba4 Ne7 54. Nb4 b5 55. Bc2 Bc4 56. Na6 Bd5 57. Nc5 Nc8 58. Nd7+ Kg5 59. Nc5 Nd6 60. b3 Kf6 61. Bd3 Be4 62. Bxe4 Nxe4+ 63. Nxe4+ fxe4 64. Ke3 Kf5 65. a4 b4 66. a5 a6 67. Kd2 Ke6 68. Ke2 Kd6 69. Kd2 c5 70. Ke3 c4 71. Kxe4 cxb3 72. Kd3 Kd5 73. Kd2 Kxd4 74. Kc1 Kc4 0-1

[Event "Anaheim Labate"]
[Site "Anaheim"]
[Date "1984.02.??"]
[Round "3"]
[White "Root, Douglas"]
[Black "Choobak, Khosrow"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2370"]
[PlyCount "71"]
[EventDate "1984.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 c6 5. cxd5 cxd5 6. Qb3 Qc7 7. Nc3 e6 8. Bd2 Be7 9. Rc1 Nc6 10. Ne5 0-0 11. Bb5 Na5 12. Qa4 a6 13. Nd1 Qb8 14. Bxa5 axb5 15. Qxb5 Qa7 16. Bc3 Ne4 17. a3 Nd6 18. Qe2 f6 19. Nd3 Rac8 20. f3 Rfe8 21. 0-0 Bf8 22. Nf4 Nc4 23. Nf2 Bd6 24. Rfe1 Qb8 25. g3 Kf7 26. e4 Bxf4 27. gxf4 Qxf4 28. exf5 Qg5+ 29. Kf1 exf5 30. f4 Qh4 31. Qf3 Qxh2 32. Qxd5+ Kg6 33. Rxe8 Rxe8 34. Qxc4 Qxf4 35. Re1 Re4 36. Qd3 1-0

[Event "US Open-84"]
[Site "Pasadena"]
[Date "1983.08.19"]
[Round "12"]
[White "Choobak, Khosrow"]
[Black "Pollard, Alan"]
[Result "1-0"]
[ECO "B84"]
[BlackElo "2350"]
[PlyCount "69"]
[EventDate "1983.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb6 7. Nb3 e6 8. 0-0 Be7 9. Kh1 0-0 10. Be3 Qc7 11. Be2 a6 12. a4 b6 13. f4 Rb8 14. Qe1 Na5 15. e5 Ne8 16. Nxa5 bxa5 17. Bd4 dxe5 18. fxe5 Bc5 19. Bxc5 Qxc5 20. Bd3 Rb4 21. Qg3 Bb7 22. Rae1 Nc7 23. b3 Qe7 24. Ne4 Bxe4 25. Rxe4 Rd8 26. h3 g6 27. Bc4 Nd5 28. Re2 Qa7 29. Qg5 Rbb8 30. Ref2 Qe3 31. Qh4 Rf8 32. Re2 Qb6 33. Qg5 Nc3 34. Re3 Ne4 35. Rxe4 1-0

[Event "US Open-84"]
[Site "Pasadena"]
[Date "1983.08.18"]
[Round "11"]
[White "Salas, Fidel"]
[Black "Choobak, Khosrow"]
[Result "0-1"]
[ECO "D18"]
[PlyCount "86"]
[EventDate "1983.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

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. Nh4 Bd6 10. Nxf5 exf5 11. h3 a5 12. Qf3 g6 13. g3 Qe7 14. Kg2 Nbd7 15. Rh1 h5 16. Bd2 Ne4 17. Nxe4 fxe4 18. Qe2 Nb6 19. Bb3 Kg7 20. f4 exf3+ 21. Qxf3 f5 22. h4 Nd7 23. Bc3 Bb4 24. Bc2 Nf6 25. Rhf1 Rae8 26. Rae1 Nd5 27. Bxb4 Qxb4 28. Re2 Qxb2 29. Rb1 Nxe3+ 30. Kh3 Qxd4 31. Rxb7+ Rf7 32. Rxf7+ Kxf7 33. Bb3+ Kf8 34. Rf2 Qg4+ 35. Qxg4 Nxg4 36. Rc2 Re3 37. Bc4 f4 38. Rg2 f3 39. Rd2 Re1 40. Bf1 Ne3 41. Bd3 Rh1+ 42. Rh2 Rxh2+ 43. Kxh2 f2 0-1

[Event "US Open-84"]
[Site "Pasadena"]
[Date "1983.08.15"]
[Round "8"]
[White "Gurevich, Dmitry"]
[Black "Choobak, Khosrow"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2470"]
[PlyCount "45"]
[EventDate "1983.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. e3 e6 5. d4 Nbd7 6. Bd3 Bb4 7. 0-0 0-0 8. a3 Ba5 9. b4 Bc7 10. Bb2 e5 11. cxd5 exd4 12. Nxd4 Ne5 13. dxc6 Nfg4 14. h3 Nh2 15. Be4 Qh4 16. cxb7 Bg4 17. bxa8Q Rxa8 18. Bxa8 Bxd1 19. Rfxd1 Nhg4 20. Rd2 Nc4 21. Nf3 Qe7 22. Nd5 Qd8 23. Nf6+ 1-0

[Event "US Open-84"]
[Site "Pasadena"]
[Date "1983.08.14"]
[Round "7"]
[White "Choobak, Khosrow"]
[Black "McLee, Russ"]
[Result "1-0"]
[ECO "C26"]
[PlyCount "33"]
[EventDate "1983.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 Nxd5 5. Bg2 Nf6 6. Nf3 Nc6 7. d3 Be7 8. 0-0 0-0 9. Re1 Bc5 10. Bg5 Re8 11. Bxf6 Qxf6 12. Ne4 Qe7 13. Nxc5 Qxc5 14. d4 Qb6 15. d5 Na5 16. Nxe5 Qxb2 17. Nc4 1-0

[Event "US Open-84"]
[Site "Pasadena"]
[Date "1983.08.12"]
[Round "6"]
[White "Fedorowicz, John P"]
[Black "Choobak, Khosrow"]
[Result "1-0"]
[ECO "D17"]
[WhiteElo "2430"]
[PlyCount "93"]
[EventDate "1983.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 Rd8 11. Qc1 Bd6 12. Nxd6+ Qxd6 13. Bg2 0-0 14. 0-0 a5 15. Qe3 Nfd7 16. Rfd1 Qe6 17. Rd4 Nc4 18. Qxe6 Bxe6 19. Rad1 Nxb2 20. Rb1 Nc5 21. Rxd8 Rxd8 22. Rxb2 Nxa4 23. Rd2 Rxd2 24. Bxd2 Nb2 25. Bc1 Nc4 26. Kf1 f5 27. Ke1 Bd7 28. e4 g6 29. f4 Kf7 30. e5 b5 31. Kd1 Ke7 32. Kc2 Kd8 33. Bf1 Nb6 34. Be3 Kc7 35. Bc5 Be6 36. Bd6+ Kd7 37. Be2 b4 38. Bc5 Nc4 39. Na4 Na3+ 40. Kb2 Bd5 41. Bb6 Bc4 42. Bxc4 Nxc4+ 43. Kb1 Nd2+ 44. Kc2 Nc4 45. Kd3 Nxb6 46. Nxb6+ Kc7 47. Na4 1-0

[Event "US Open-84"]
[Site "Pasadena"]
[Date "1983.08.11"]
[Round "5"]
[White "McCambridge, Vincent"]
[Black "Choobak, Khosrow"]
[Result "0-1"]
[ECO "D15"]
[PlyCount "80"]
[EventDate "1983.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 6. e5 Nd5 7. a4 e6 8. axb5 Nxc3 9. bxc3 cxb5 10. Ng5 Bb7 11. Qh5 Qd7 12. Be2 Bd5 13. Nxh7 Nc6 14. Nxf8 Rxf8 15. Qg5 a5 16. 0-0 Qe7 17. Qxg7 Kd7 18. Qg5 Qxg5 19. Bxg5 Rg8 20. h4 b4 21. Rfc1 b3 22. Ra4 Be4 23. Bf3 Bd3 24. d5 exd5 25. Bxd5 b2 26. Re1 Rgb8 27. Bxf7 Nxe5 28. Rxe5 b1Q+ 29. Kh2 Rb5 30. Re7+ Kd6 31. Re6+ Kd7 32. Re7+ Kc6 33. Re6+ Kb7 34. Re7+ Ka6 35. Be3 Rbb8 36. Rxc4 Bxc4 37. Bxc4+ Rb5 38. h5 a4 39. h6 a3 40. h7 a2 0-1

[Event "US Open-84"]
[Site "Pasadena"]
[Date "1983.08.10"]
[Round "4"]
[White "Choobak, Khosrow"]
[Black "Ferguson, Bobby"]
[Result "1-0"]
[ECO "B10"]
[BlackElo "2215"]
[PlyCount "83"]
[EventDate "1983.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 g6 4. d4 dxe4 5. Nxe4 Bg7 6. Nf3 Nd7 7. Bc4 Ngf6 8. Nxf6+ Nxf6 9. 0-0 0-0 10. c3 Nd5 11. Re1 Qc7 12. Bg5 Be6 13. Qd2 Rfe8 14. Bh6 Bh8 15. Re4 b5 16. Bb3 Rad8 17. Rae1 c5 18. Rxe6 fxe6 19. Ng5 c4 20. Nxe6 Qd7 21. Bc2 Rb8 22. Qg5 Bf6 23. Qg4 Kh8 24. Qh3 Kg8 25. Be4 Rb6 26. Qf3 Nc7 27. Nc5 Qd6 28. Bf4 e5 29. Bg3 Kg7 30. Qg4 Ne6 31. Nb7 Qc7 32. dxe5 Bxe5 33. Bxg6 Bxg3 34. Bxe8+ Kf6 35. hxg3 Qxb7 36. Qh4+ Kg7 37. Qg4+ Kf6 38. Bxb5 Ng5 39. Bxc4 Rxb2 40. Qf4+ Kg6 41. Bd3+ Kh5 42. Qh4# 1-0

[Event "US Open-84"]
[Site "Pasadena"]
[Date "1983.08.08"]
[Round "2"]
[White "Choobak, Khosrow"]
[Black "Gelman, Jeffrey A"]
[Result "1-0"]
[ECO "C28"]
[PlyCount "35"]
[EventDate "1983.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. f4 d6 4. Nf3 Nf6 5. Bc4 Be7 6. d3 0-0 7. a3 Nd7 8. f5 Nb6 9. Ba2 Nd4 10. 0-0 c6 11. Nxd4 exd4 12. Ne2 c5 13. Nf4 Bd7 14. Qh5 Bf6 15. Rf3 Bg5 16. Ng6 Bxc1 17. Rxc1 Re8 18. Qxh7+ 1-0

[Event "IRI-ch"]
[Site "Iran"]
[Date "1975.??.??"]
[Round "?"]
[White "Choobak, Khosrow"]
[Black "Dehghan, B."]
[Result "0-1"]
[ECO "B79"]
[PlyCount "75"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "IRI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 0-0 8. Bb3 Qa5 9. f3 d6 10. Qd2 Bd7 11. 0-0-0 Rfc8 12. h4 Ne5 13. h5 Nxh5 14. g4 Nf6 15. Nd5 Qxd2+ 16. Rxd2 Nxd5 17. Bxd5 Bc6 18. Bb3 Nd7 19. g5 a5 20. a3 Rab8 21. Rdh2 Nf8 22. Nf5 gxf5 23. exf5 a4 24. Ba2 d5 25. g6 fxg6 26. Rg2 gxf5 27. Rhg1 Ng6 28. Kb1 e6 29. c4 d4 30. Bf4 e5 31. Bh2 Bxf3 32. c5+ Kf8 33. Rg5 Ke7 34. Ka1 Be4 35. Rh5 Kf6 36. Rxh7 Rh8 37. Rxh8 Rxh8 38. Bg3 0-1

[Event "IRI-ch"]
[Site "Iran"]
[Date "1975.??.??"]
[Round "?"]
[White "Choobak, Khosrow"]
[Black "Motamedi, Mano"]
[Result "1-0"]
[ECO "B85"]
[PlyCount "61"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "IRI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 Bd7 7. Be3 Rc8 8. Nb3 a6 9. a4 e6 10. a5 Qc7 11. f4 Be7 12. 0-0 0-0 13. g4 Nb4 14. g5 Ne8 15. f5 f6 16. g6 d5 17. Bd3 Nxd3 18. Qh5 h6 19. Bxh6 gxh6 20. Qxh6 Bc5+ 21. Kh1 Bb5 22. Nxb5 Qg7 23. Qh7+ Qxh7 24. gxh7+ Kxh7 25. cxd3 axb5 26. Rfc1 exf5 27. exd5 Nd6 28. Nxc5 Rf7 29. Ne6 Rd7 30. Rxc8 Nxc8 31. Nf8+ 1-0

[Event "IRI-ch"]
[Site "Iran"]
[Date "1975.??.??"]
[Round "?"]
[White "Shahsavar, Khosro"]
[Black "Choobak, Khosrow"]
[Result "0-1"]
[ECO "E65"]
[PlyCount "142"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "IRI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. Nc3 Nc6 7. d4 d6 8. h3 cxd4 9. Nxd4 Nxd4 10. Qxd4 Nd7 11. Qd2 Nc5 12. b3 Ne6 13. Bb2 Qa5 14. Rfd1 Bd7 15. a3 Nd4 16. b4 Qh5 17. Nd5 e5 18. Bxd4 exd4 19. Rac1 Rae8 20. Re1 Re5 21. Nf4 Qh6 22. Qxd4 g5 23. Nd5 Rxe2 24. Qxa7 Rfe8 25. Rxe2 Rxe2 26. g4 Be5 27. Qxb7 Be6 28. Ne7+ Kg7 29. Qf3 Rd2 30. Rd1 Rc2 31. Qe4 Ra2 32. Nc6 Bf4 33. Qd4+ Qf6 34. Qxf6+ Kxf6 35. Bd5 Rxa3 36. Bxe6 fxe6 37. Kg2 Ra2 38. Kf3 Ra3+ 39. Kg2 Ra2 40. Kf3 Ra3+ 41. Kg2 Rc3 42. Rd4 Rc2 43. Kf3 Rc3+ 44. Kg2 Rc2 45. Kg1 Rc1+ 46. Kg2 Rc2 47. Kf1 Rc1+ 48. Ke2 Rc3 49. b5 Rxh3 50. Rd3 Rh1 51. Na5 Ra1 52. Nb3 Ra2+ 53. Ke1 Ra4 54. Rc3 Rb4 55. Nd4 d5 56. Nc6 Rb1+ 57. Ke2 dxc4 58. Na7 Rb2+ 59. Kf1 Bc7 60. Rxc4 Bb6 61. Nc8 Bxf2 62. Rc7 Bg3 63. Rb7 Ke5 64. b6 Kf4 65. Rd7 Kxg4 66. b7 Bf4 67. Ke1 Kf3 68. Kd1 h5 69. Ne7 h4 70. Nc6 h3 71. Rd3+ Kg2 0-1

[Event "IRI-ch"]
[Site "Iran"]
[Date "1974.??.??"]
[Round "?"]
[White "Behroozi, Ebrahim Shirazi"]
[Black "Choobak, Khosrow"]
[Result "1-0"]
[ECO "C64"]
[PlyCount "67"]
[EventDate "1974.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "IRI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 f5 5. d4 fxe4 6. Nxe5 Nxe5 7. dxe5 c6 8. Bc4 e3 9. Bxg8 Qh4 10. Bxe3 Bxe3 11. 0-0 Bb6 12. Bb3 g5 13. Nd2 Rf8 14. Qe2 Kd8 15. Nc4 Bc5 16. Nd6 g4 17. Ne4 Bb6 18. Rad1 Re8 19. Nd6 Rf8 20. e6 Qf6 21. Nxc8 Kxc8 22. Rxd7 a5 23. Rf7 Rxf7 24. exf7 Kb8 25. Qxg4 Ka7 26. a3 Rd8 27. Qe2 Bc5 28. Ba2 a4 29. g3 b5 30. Kg2 Qh6 31. Rd1 Rxd1 32. Qxd1 Qd6 33. Qxd6 Bxd6 34. Kf3 1-0

[Event "IRI-ch"]
[Site "Iran"]
[Date "1974.??.??"]
[Round "?"]
[White "Choobak, Khosrow"]
[Black "Harandi, Khosro"]
[Result "0-1"]
[ECO "C29"]
[PlyCount "62"]
[EventDate "1974.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "IRI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Be7 6. d4 c5 7. Bb5+ Nc6 8. Qe2 Nxc3 9. bxc3 a6 10. Bxc6+ bxc6 11. a4 a5 12. Ba3 cxd4 13. cxd4 0-0 14. Kf2 Rb8 15. Bxe7 Qxe7 16. Rhb1 Rxb1 17. Rxb1 Qa3 18. Qe3 Qxa4 19. Qc3 Ba6 20. Ra1 Qb5 21. Rxa5 Qe2+ 22. Kg3 f5 23. Qxc6 f4+ 24. Kh4 Qf2+ 25. Kh5 Qxg2 26. Qe6+ Kh8 27. Rxa6 Qxf3+ 28. Qg4 g6+ 29. Kh4 Qf2+ 30. Kg5 Qxh2 31. Rf6 h6+ 0-1

[Event "IRI-ch"]
[Site "Iran"]
[Date "1974.??.??"]
[Round "?"]
[White "Choobak, Khosrow"]
[Black "Shahsavar, Khosro"]
[Result "0-1"]
[ECO "B78"]
[PlyCount "62"]
[EventDate "1974.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "IRI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 d6 9. f3 Bd7 10. Qd2 Rc8 11. 0-0-0 Ne5 12. g4 Nc4 13. Bxc4 Rxc4 14. h4 b5 15. h5 b4 16. Nd5 Nxd5 17. exd5 Qa5 18. Kb1 Rfc8 19. hxg6 fxg6 20. Qh2 h6 21. Rd2 g5 22. f4 Qxd5 23. fxg5 Qe4 24. Qg1 Ba4 25. gxh6 Rxc2 26. Rxc2 Rxc2 27. Ka1 Rg2 28. h7+ Kh8 29. Qc1 Bd7 30. Qc7 Rf2 31. Re1 Qxe3 0-1

[Event "IRI-ch"]
[Site "Iran"]
[Date "1974.??.??"]
[Round "?"]
[White "Choobak, Khosrow"]
[Black "Sharif, Mershad"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "52"]
[EventDate "1974.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "IRI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 d6 3. c3 Nf6 4. Bd3 e5 5. f4 Bg7 6. Nf3 Nbd7 7. 0-0 0-0 8. Qe1 exd4 9. cxd4 Re8 10. Qh4 c5 11. e5 Nd5 12. Ng5 Nf8 13. f5 Bxf5 14. Bxf5 gxf5 15. Rxf5 dxe5 16. Rxf7 Nf6 17. Rxb7 Qxd4+ 18. Qxd4 cxd4 19. Nf3 N6d7 20. Kf2 e4 21. Ne1 Nc5 22. Rc7 Nfe6 23. Rc6 e3+ 24. Kf1 Rf8+ 25. Nf3 Rae8 26. Rd6 Nf4 0-1

[Event "IRI-ch"]
[Site "Iran"]
[Date "1974.??.??"]
[Round "?"]
[White "Harandi, Khosro"]
[Black "Choobak, Khosrow"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "53"]
[EventDate "1974.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "IRI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 c5 3. c3 cxd4 4. cxd4 Bg7 5. Nf3 d6 6. Bc4 Nf6 7. Nc3 0-0 8. Qe2 Nc6 9. 0-0 Bg4 10. Rd1 Rc8 11. Bb3 Nd7 12. Be3 e5 13. dxe5 Ndxe5 14. Bf4 Bxf3 15. gxf3 Qh4 16. Bg3 Qh5 17. Kg2 Na5 18. Nd5 Kh8 19. Nf4 Qh6 20. Rxd6 Nec4 21. Bxc4 Nxc4 22. Rd7 Bxb2 23. Rb1 Be5 24. Nd5 Bxg3 25. hxg3 Nd2 26. Rh1 Qg5 27. f4 1-0

[Event "IRI-ch"]
[Site "Iran"]
[Date "1974.??.??"]
[Round "?"]
[White "Mamoori, MS."]
[Black "Choobak, Khosrow"]
[Result "0-1"]
[ECO "B34"]
[PlyCount "31"]
[EventDate "1974.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "IRI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Be2 d5 8. Nxc6 bxc6 9. e5 Nd7 10. f4 0-0 11. 0-0 e6 12. Na4 Qa5 13. Qd4 f6 14. Bd2 fxe5 15. fxe5 Rxf1+ 16. Rxf1 0-1

