[Event "Dallas Pinfork op2"]
[Site "Dallas"]
[Date "1996.??.??"]
[Round "1"]
[White "Zuniga, Ivan"]
[Black "Dunning, John"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "84"]
[EventDate "1996.04.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Bd3 Bd7 6. Nf3 Bb5 7. 0-0 Bxd3 8. Qxd3 Qa6 9. Qxa6 Nxa6 10. Be3 Rc8 11. Na3 cxd4 12. Bxd4 Bxa3 13. bxa3 Nc5 14. Rab1 b6 15. Nd2 Ne7 16. f4 0-0 17. g4 Na4 18. Rf3 Nc6 19. Bf2 Na5 20. Rc1 Nc4 21. Nb3 Nxa3 22. Nd4 Rc4 23. f5 Rfc8 24. fxe6 fxe6 25. Nxe6 Nxc3 26. Rf1 Rxg4+ 27. Bg3 h5 28. Rf8+ Rxf8 29. Rxf8+ Kh7 30. Kf1 Nc4 31. Bf4 Ne4 32. Rd8 g5 33. Rd7+ Kh6 34. Bc1 Nxe5 35. Rxd5 Nf3 36. Be3 Nxh2+ 37. Ke1 h4 38. Nf8 Rg2 39. Rd7 Kh5 40. Rh7+ Kg4 41. Rxa7 h3 42. Ng6 Rg3 0-1

[Event "USA"]
[Site "USA"]
[Date "1984.??.??"]
[Round "?"]
[White "Browne, Walter Shawn"]
[Black "Dunning, John"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2585"]
[PlyCount "69"]
[EventDate "1984.??.??"]
[EventType "game"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 Bb7 6. Nc3 Qa5 7. bxa6 Bxd5 8. Bd2 Bc6 9. Nf3 Qc7 10. Nb5 Bxb5 11. Bxb5 Nxa6 12. a4 Qb7 13. Qb3 e6 14. Bc3 Be7 15. Rd1 Rd8 16. Ba5 Rb8 17. Qd3 Nb4 18. Bxb4 cxb4 19. 0-0 0-0 20. Ne5 d5 21. Nc6 Ra8 22. Qd4 Bd6 23. Nxb4 Ne4 24. Nc6 Bc5 25. Qd3 Nd6 26. Qc3 Bb6 27. Qb4 Nxb5 28. Qxb5 Qa6 29. Ra1 Bd8 30. b4 Bf6 31. Qxa6 Rxa6 32. b5 Rxc6 33. bxc6 Bxa1 34. Rxa1 Rc8 35. a5 1-0

[Event "US Open-85"]
[Site "Fort Worth"]
[Date "1984.??.??"]
[Round "8"]
[White "Dunning, John"]
[Black "Henley, Ron W"]
[Result "0-1"]
[ECO "E96"]
[BlackElo "2495"]
[PlyCount "54"]
[EventDate "1984.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 Nbd7 7. 0-0 e5 8. Re1 c6 9. Rb1 a5 10. Bf1 Re8 11. d5 Nc5 12. b3 Bd7 13. Nd2 Qb8 14. a3 cxd5 15. cxd5 Rc8 16. Nb5 Bh6 17. f3 Kg7 18. a4 b6 19. Na3 Nh5 20. Ndc4 Bxc1 21. Qxc1 f5 22. Qe3 fxe4 23. fxe4 Nf6 24. Nd2 b5 25. Nxb5 Ng4 26. Qe2 Nd3 27. Qxd3 Bxb5 0-1

[Event "US Open-85"]
[Site "Fort Worth"]
[Date "1984.??.??"]
[Round "5"]
[White "Gruenfeld, Yehuda"]
[Black "Dunning, John"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2435"]
[PlyCount "105"]
[EventDate "1984.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 Qc7 12. Bg5 0-0 13. Rc1 Bd7 14. Bb1 Rae8 15. Ng3 Bc8 16. Qd3 Bf4 17. Bxf4 Qxf4 18. a3 g6 19. Ba2 Ne4 20. Ne2 Qh6 21. Rcd1 Rf5 22. Ng3 Rf4 23. Qe3 Qf8 24. Bb1 Nd6 25. b3 Nb5 26. a4 Nc7 27. Ne5 Nxe5 28. Qxe5 Na6 29. Ne2 Rf7 30. f4 Nb4 31. Qe3 b6 32. Nc3 Rf6 33. Rc1 Re7 34. g3 Ref7 35. Nb5 g5 36. f5 h6 37. Rxc8 Qxc8 38. Nd6 Qf8 39. Nxf7 Qxf7 40. g4 Nc6 41. Bd3 exf5 42. Bxf5 Kg7 43. Rc1 Rd6 44. b4 Qf6 45. b5 Qxd4 46. Kf2 Qxe3+ 47. Kxe3 Nb4 48. Rc7+ Kf8 49. Kd4 a5 50. Ke5 Rd8 51. Kf6 d4 52. Be6 Ke8 53. Re7+ 1-0

[Event "USA"]
[Site "USA"]
[Date "1976.??.??"]
[Round "?"]
[White "Peters, Jack"]
[Black "Dunning, John"]
[Result "1-0"]
[ECO "C09"]
[WhiteElo "2370"]
[PlyCount "53"]
[EventDate "1976.??.??"]
[EventType "game"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. 0-0 cxd4 8. Nb3 Nge7 9. Nbxd4 0-0 10. c3 Bg4 11. Qa4 Bh5 12. Re1 Qc7 13. h3 Bg6 14. Bg5 h6 15. Bxe7 Nxe7 16. Rad1 Rfd8 17. Bd3 Rac8 18. Qc2 Bxd3 19. Rxd3 a6 20. Rde3 Nc6 21. Qf5 Bc5 22. Qg4 Nxd4 23. Nxd4 Bxd4 24. cxd4 Qb6 25. Rb3 Qa5 26. Re7 Qxa2 27. Rxf7 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1974.03.22"]
[Round "8"]
[White "Grefe, John Alan"]
[Black "Dunning, John"]
[Result "1-0"]
[ECO "B04"]
[PlyCount "83"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 d5 8. f4 f6 9. Nf3 0-0 10. 0-0 Nc6 11. c3 Bg4 12. Nbd2 Qd7 13. h3 Bxf3 14. Nxf3 Nd8 15. Bc2 f5 16. Ng5 Ne6 17. Nxe6 Qxe6 18. g4 Rac8 19. Rf2 Kh8 20. Kh1 c5 21. Rg2 cxd4 22. cxd4 Rc6 23. Bd3 Qf7 24. b3 Rfc8 25. Bd2 Bf8 26. gxf5 gxf5 27. Qf3 Rh6 28. Rag1 e6 29. Rg3 Be7 30. Qg2 Rf8 31. Bb5 Rd8 32. Rg7 Qf8 33. Ba5 Rc8 34. Kh2 Rd8 35. Bd2 Na8 36. Ba5 Nb6 37. a3 Rc8 38. a4 Rd8 39. Bb4 Nc8 40. Bd7 Bxb4 41. Qg5 Rg6 42. Rxh7+ 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1974.03.21"]
[Round "7"]
[White "Dunning, John"]
[Black "Rodriguez, Ruben"]
[Result "1/2-1/2"]
[ECO "A32"]
[PlyCount "87"]
[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. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e6 5. Nc3 Bb4 6. Bd2 Nc6 7. Nc2 Bxc3 8. Bxc3 0-0 9. g3 d5 10. cxd5 exd5 11. Bg2 Bf5 12. 0-0 Ne4 13. Nb4 Ne7 14. Bd4 Qd6 15. Nd3 Rfe8 16. Rc1 Nc6 17. Nc5 Rac8 18. Nb3 Rcd8 19. e3 Qg6 20. Bc5 Bg4 21. f3 Nxc5 22. Rxc5 Bf5 23. Rxd5 Rxd5 24. Qxd5 Rxe3 25. Nd4 Re5 26. Nxc6 Rxd5 27. Ne7+ Kf8 28. Nxg6+ hxg6 29. f4 Rb5 30. Rf2 Be6 31. a3 Ke7 32. Rd2 b6 33. Kf2 Rc5 34. Be4 g5 35. fxg5 Rxg5 36. Rc2 Re5 37. Bf3 Kd6 38. Rc6+ Kd7 39. Rc2 Bf5 40. Rd2+ Kc7 41. Rd5 Rxd5 42. Bxd5 f6 43. Ke3 Kd6 44. Kd4 1/2-1/2

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1973.03.16"]
[Round "8"]
[White "Dunning, John"]
[Black "Grefe, John Alan"]
[Result "0-1"]
[ECO "A56"]
[PlyCount "82"]
[EventDate "1973.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nge2 a6 7. Ng3 g6 8. Bd3 h5 9. f3 Nh7 10. Be3 Bg5 11. Qe2 Nd7 12. Nf1 h4 13. a3 Kf8 14. Nd2 Kg7 15. Rb1 Bxe3 16. Qxe3 Nhf6 17. Kd1 Nh5 18. Kc2 Nf4 19. g3 Nxd3 20. Kxd3 b5 21. Kc2 Rb8 22. Ne2 bxc4 23. Nxc4 Nb6 24. Nxb6 Qxb6 25. g4 Bd7 26. Nc3 Qb3+ 27. Kd2 Rb7 28. Rhc1 Rhb8 29. Rc2 Ba4 30. Rcc1 a5 31. Qd3 Bb5 32. Qc2 Qc4 33. Nxb5 Qxc2+ 34. Rxc2 Rxb5 35. Kc1 Rb3 36. Rc3 Kh6 37. Kc2 a4 38. Rxb3 Rxb3 39. Rf1 Kg5 40. Rf2 Kf4 41. Rf1 h3 0-1

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1973.03.15"]
[Round "7"]
[White "Dunning, John"]
[Black "Kavalek, Lubomir"]
[Result "1/2-1/2"]
[ECO "E69"]
[PlyCount "101"]
[EventDate "1973.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. h3 c6 9. e4 Qb6 10. Re1 Re8 11. d5 Nc5 12. Rb1 a5 13. b3 Bd7 14. a3 cxd5 15. cxd5 Rec8 16. Bf1 Qd8 17. a4 Ne8 18. Nd2 f5 19. f3 f4 20. g4 Bf6 21. Nc4 h5 22. Re2 hxg4 23. hxg4 Nxa4 24. Nxa4 Bxa4 25. bxa4 Rxc4 26. Rxb7 Qc8 27. Rb1 Qc5+ 28. Kh1 Rc8 29. Bb2 Qa7 30. Rh2 R4c7 31. Bb5 Rh7 32. Rxh7 Qxh7+ 33. Kg1 Bd8 34. Bc6 Qh3 35. Bc3 Qg3+ 36. Kf1 Nf6 37. Be1 Qh3+ 38. Ke2 Nxg4 39. fxg4 Qe3+ 40. Kf1 Qxe4 41. Rb3 Qh1+ 42. Ke2 Qg2+ 43. Bf2 Bh4 44. Qg1 Qe4+ 45. Kd2 Bg5 46. Qb1 f3+ 47. Kc3 Qxg4 48. Qxg6+ Kh8 49. Qxd6 Qf4 50. Qxe5+ Qxe5+ 51. Bd4 1/2-1/2

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1973.03.14"]
[Round "6"]
[White "Formanek, Edward W"]
[Black "Dunning, John"]
[Result "0-1"]
[ECO "B03"]
[PlyCount "38"]
[EventDate "1973.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. f4 dxe5 5. fxe5 Bf5 6. Nf3 e6 7. a3 Nb6 8. b4 a5 9. b5 c5 10. bxc6 bxc6 11. Be3 Be7 12. c4 0-0 13. Nc3 N8d7 14. Bd3 Bxd3 15. Qxd3 Nc5 16. Qe2 Nb3 17. Rb1 a4 18. c5 Nd5 19. Nxa4 Qa5+ 0-1

[Event "US Open-74"]
[Site "Chicago"]
[Date "1973.??.??"]
[Round "5"]
[White "Cushing, J."]
[Black "Dunning, John"]
[Result "0-1"]
[ECO "B04"]
[PlyCount "58"]
[EventDate "1973.08.12"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 d5 8. f4 f6 9. Nf3 Nc6 10. c3 Be6 11. 0-0 Qd7 12. Bc2 0-0-0 13. Nbd2 Bf5 14. a4 Bxc2 15. Qxc2 Qf5 16. Qd1 Qxf4 17. a5 Nd7 18. e6 Nf8 19. a6 b6 20. Nc4 Qg4 21. Re1 dxc4 22. Qa4 Nb8 23. Qxc4 Qf5 24. b3 g5 25. b4 Rd6 26. b5 Rxe6 27. Ba3 Rxe1+ 28. Rxe1 Ng6 29. Bxe7 Qd7 0-1

[Event "US Open-74"]
[Site "Chicago"]
[Date "1973.??.??"]
[Round "6"]
[White "Dunning, John"]
[Black "Holzinger, Rolf"]
[Result "1-0"]
[ECO "E92"]
[PlyCount "47"]
[EventDate "1973.08.12"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. Be3 Ng4 8. Bg5 Qd7 9. h3 exd4 10. Nxd4 Ne5 11. 0-0 f6 12. Be3 Qf7 13. Rc1 Nbc6 14. Ndb5 a6 15. Na3 Be6 16. Nd5 f5 17. f4 Nd7 18. Nxc7 Rac8 19. Nxe6 Qxe6 20. Qd2 Rfe8 21. Rcd1 Nf6 22. Bf3 Nxe4 23. Bxe4 Qxe4 24. Bf2 1-0

[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "12"]
[White "Dunning, John"]
[Black "Karklins, Andrew"]
[Result "1-0"]
[ECO "E50"]
[PlyCount "107"]
[EventDate "1972.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 c5 6. Nf3 b6 7. 0-0 Ba6 8. d5 Bxc3 9. bxc3 d6 10. e4 Nbd7 11. dxe6 fxe6 12. Ng5 Re8 13. f4 h6 14. Nf3 Bb7 15. Qc2 e5 16. f5 b5 17. Nd2 b4 18. Rb1 a5 19. Rf3 Bc6 20. Nf1 Nb6 21. Rg3 Kh8 22. Bd2 Na4 23. Re1 Ra7 24. Rg6 Nxc3 25. Bxc3 bxc3 26. Qxc3 Qa8 27. Nd2 Rb8 28. g4 Be8 29. g5 Bxg6 30. fxg6 Nh5 31. Bf1 Rf8 32. Bh3 Qd8 33. Nf3 hxg5 34. Bf5 Nf4 35. Kh1 Qf6 36. Rg1 Ne2 37. Qe1 Nxg1 38. Qxg1 Qd8 39. Qg4 Rxf5 40. exf5 Qf6 41. Nxg5 Kg8 42. Ne4 Qd8 43. Qh5 Qa8 44. Qh7+ Kf8 45. Qh8+ Ke7 46. Qxg7+ Kd8 47. Qf8+ Kc7 48. Qxd6+ Kc8 49. Qf8+ Kd7 50. Qxa8 Rxa8 51. Kg2 Ke7 52. f6+ Kf8 53. h4 Rd8 54. h5 1-0

[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "11"]
[White "Dunning, John"]
[Black "McCormick, Edgar Thomas"]
[Result "1-0"]
[ECO "D09"]
[PlyCount "47"]
[EventDate "1972.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Bg4 6. Bg2 Bc5 7. a3 a5 8. Bf4 Nge7 9. Nbd2 0-0 10. Ne4 Ba7 11. Qd2 Qc8 12. Nf6+ gxf6 13. exf6 Ng6 14. Be5 Nce7 15. fxe7 Re8 16. Qh6 Nxe5 17. Nxe5 Qf5 18. Qf4 Qxf4 19. gxf4 Be6 20. Rg1 Kh8 21. Bxb7 Rab8 22. Bd5 Rxb2 23. Bxe6 fxe6 24. Nc6 1-0

[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "10"]
[White "Meyer, Eugene B"]
[Black "Dunning, John"]
[Result "1-0"]
[ECO "E20"]
[PlyCount "41"]
[EventDate "1972.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e6 5. Nc3 Bb4 6. g3 d5 7. Qa4+ Nc6 8. Nxc6 Bxc3+ 9. bxc3 Qd7 10. cxd5 exd5 11. Ba3 Qxc6 12. Qb4 Qc7 13. Bg2 Be6 14. 0-0 0-0-0 15. Rab1 Rd7 16. Rfd1 Kb8 17. Bc1 Ka8 18. Rb3 Rc8 19. Ra3 Qc4 20. Qb6 a6 21. Be3 1-0

[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "3"]
[White "Saidy, Anthony Fred"]
[Black "Dunning, John"]
[Result "1-0"]
[ECO "A57"]
[PlyCount "47"]
[EventDate "1972.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 e6 6. Nc3 exd5 7. Nxd5 Bb7 8. Nxf6+ Qxf6 9. Nf3 Bd6 10. Be2 0-0 11. bxa6 Nxa6 12. Bd2 Rfe8 13. 0-0 Nc7 14. Bc3 Qh6 15. h3 Nd5 16. Qd2 Bf4 17. Qc2 Re6 18. Bd2 Rg6 19. exf4 Re8 20. f5 Rxg2+ 21. Kxg2 Nf4+ 22. Bxf4 Qxf4 23. Rfe1 Re4 24. Qb3 1-0

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.19"]
[Round "9"]
[White "Dunning, John"]
[Black "Grefe, John Alan"]
[Result "0-1"]
[ECO "A41"]
[PlyCount "52"]
[EventDate "1969.08.10"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 Bg4 5. e4 Nc6 6. Be3 e5 7. d5 Nd4 8. Be2 Bxf3 9. Bxf3 Ne7 10. Be2 c5 11. 0-0 0-0 12. g4 a6 13. a3 b6 14. b4 Kh8 15. Rb1 Ra7 16. f3 f5 17. Kg2 Ng8 18. Qd2 Raf7 19. h3 Bf6 20. a4 Bh4 21. bxc5 bxc5 22. Na2 h5 23. gxh5 gxh5 24. Kh1 Rg7 25. Rg1 Bg3 26. Nc1 Qh4 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.18"]
[Round "8"]
[White "Harger, Daniel"]
[Black "Dunning, John"]
[Result "0-1"]
[ECO "E92"]
[PlyCount "62"]
[EventDate "1969.08.10"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. Nd2 Qe8 11. 0-0 Nh7 12. f3 h5 13. a3 Bd7 14. b3 Bh6 15. Bf2 Qe7 16. Ra2 h4 17. Qe1 Bg5 18. Rb2 Kg7 19. b4 axb4 20. axb4 Rh8 21. Bd3 Nf6 22. Be3 Nh5 23. c5 Bf4 24. Ndb1 Qg5 25. Bxf4 Nxf4 26. Bxa6 Rxa6 27. Qd2 Rha8 28. Rf2 Ra1 29. Kf1 R8a3 30. cxd6 Rxc3 31. Qxc3 Bb5+ 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.15"]
[Round "6"]
[White "Asselin, John"]
[Black "Dunning, John"]
[Result "1/2-1/2"]
[ECO "B06"]
[PlyCount "135"]
[EventDate "1969.08.10"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. f4 d6 4. c3 Nd7 5. Nf3 c6 6. Bc4 e6 7. Nbd2 Ne7 8. 0-0 0-0 9. Bd3 Qc7 10. Nc4 b5 11. Ne3 Rb8 12. Qe1 c5 13. Bd2 Bb7 14. Qh4 Nf6 15. f5 exf5 16. exf5 c4 17. Bc2 Rbe8 18. Ng4 Nxg4 19. Qxg4 Qd7 20. Qh4 Nd5 21. Bg5 Re2 22. Bd1 Rxb2 23. f6 Nxc3 24. fxg7 Re8 25. Bc1 Ne2+ 26. Kh1 Nxc1 27. Rxc1 Re4 28. Qf6 Rg4 29. Rc2 Rb1 30. Ne5 dxe5 31. Bxg4 Rxf1+ 32. Qxf1 Qxg4 33. dxe5 Kxg7 34. Rf2 Bd5 35. Rf4 Qg5 36. Rf2 Qxe5 37. h3 b4 38. Re2 Qf6 39. Qd1 Be6 40. Re4 b3 41. axb3 cxb3 42. Ra4 Qf2 43. Qc1 Qb6 44. Qb2+ f6 45. Ra3 Qb7 46. Kh2 Qc7+ 47. Kg1 Qb7 48. Kh1 Bd5 49. Kh2 Qc7+ 50. Kg1 Qc2 51. Rxa7+ Kh6 52. Qxc2 bxc2 53. Rc7 Be4 54. Kf2 Kg5 55. g3 h5 56. Rc5+ f5 57. Rc3 h4 58. Rc5 Bd3 59. Kf3 hxg3 60. Kxg3 Be4 61. h4+ Kf6 62. Kf4 Ke6 63. Ke3 Kd6 64. Rc3 Kd5 65. Rc7 f4+ 66. Kxf4 Kd4 67. Kg5 Bd3 68. Rxc2 1/2-1/2

[Event "USA Annual op-ch69"]
[Site "Aspen"]
[Date "1968.08.??"]
[Round "?"]
[White "Beattie, William"]
[Black "Dunning, John"]
[Result "0-1"]
[ECO "C18"]
[PlyCount "38"]
[EventDate "1968.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 cxd4 8. Qxg7 Rg8 9. Qxh7 Qc7 10. Ne2 Nbc6 11. f4 Bd7 12. a4 0-0-0 13. Ba3 Nf5 14. g3 Rde8 15. Rb1 Rh8 16. Qxf7 Nd8 17. Qg6 Reg8 18. Qf6 Rh6 19. Bd6 Qa5 0-1

[Event "USA Annual op-ch69"]
[Site "Aspen"]
[Date "1968.08.??"]
[Round "?"]
[White "Gross, Ronald Joseph"]
[Black "Dunning, John"]
[Result "1-0"]
[ECO "D94"]
[PlyCount "35"]
[EventDate "1968.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. Bd2 c6 7. Rc1 Nbd7 8. Bd3 dxc4 9. Bxc4 Nb6 10. Bb3 Bf5 11. Qe2 Nbd5 12. 0-0 Nxc3 13. Bxc3 Ne4 14. Bb4 a5 15. Ba3 Nd6 16. Ne5 Nb5 17. g4 a4 18. Bxf7+ 1-0

[Event "USA"]
[Site "USA"]
[Date "1968.??.??"]
[Round "?"]
[White "Welsh"]
[Black "Dunning, John"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "81"]
[EventDate "1968.??.??"]
[EventType "game"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. Bd3 cxd4 6. 0-0 Nge7 7. Bf4 Ng6 8. Bg3 Qb6 9. Qc1 Bd7 10. Nbd2 Rc8 11. a3 a5 12. Re1 Bc5 13. Rb1 0-0 14. h4 f6 15. exf6 gxf6 16. h5 Nge7 17. c4 dxc3 18. bxc3 Qa7 19. Nb3 Nd8 20. Qh6 Rf7 21. Nh4 Nec6 22. c4 Bf8 23. Bxh7+ Rxh7 24. Qxf6 Bg7 25. Qg6 Nf7 26. cxd5 Ne7 27. dxe6 Nxg6 28. exf7+ Kxf7 29. hxg6+ Kg8 30. gxh7+ Kxh7 31. Re7 Bg4 32. Be5 Rg8 33. Nd4 Qc5 34. Rbxb7 Qc1+ 35. Kh2 Kh6 36. Nhf5+ Bxf5 37. Nxf5+ Kg5 38. Nxg7 Rh8+ 39. Kg3 Qxa3+ 40. f3 Rg8 41. Bf4+ 1-0

