[Event "US Open-101"]
[Site "Saint Paul"]
[Date "2000.08.13"]
[Round "9"]
[White "Nakamura, Asuka"]
[Black "Heurung, David"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2143"]
[BlackElo "2271"]
[PlyCount "40"]
[EventDate "2000.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[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. Nc3 dxe4 4. Nxe4 Nf6 5. Ng3 c5 6. Be3 Qb6 7. b3 e6 8. Bd3 Nd5 9. dxc5 Bxc5 10. Bxc5 Qxc5 11. N1e2 Qb4+ 12. c3 Qb6 13. Qc2 Nc6 14. Rd1 Bd7 15. Be4 Nf6 16. Bf3 Ne5 17. Be4 h5 18. h4 0-0-0 19. 0-0 Rh6 20. Qd2 Bc6 1/2-1/2

[Event "US Open-101"]
[Site "Saint Paul"]
[Date "2000.08.12"]
[Round "8"]
[White "Heurung, David"]
[Black "Hanken, Jerome B"]
[Result "1/2-1/2"]
[ECO "A31"]
[WhiteElo "2271"]
[BlackElo "2134"]
[PlyCount "124"]
[EventDate "2000.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 g6 2. g3 Bg7 3. Bg2 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Nb3 Nf6 7. c4 0-0 8. c5 b6 9. Nc3 Bb7 10. 0-0 Rc8 11. e4 Ba8 12. Be3 bxc5 13. Bxc5 d6 14. Be3 Ne5 15. Qe2 Qd7 16. Rfd1 Nc4 17. Nc5 Qc6 18. Qxc4 dxc5 19. Rd2 Ng4 20. Nd5 Rfe8 21. Bg5 Ne5 22. Qe2 Qe6 23. f4 Nc6 24. Qa6 Bd4+ 25. Kh1 f6 26. Bh6 Qf7 27. Bh3 e6 28. Nc3 Rb8 29. Qe2 Rb4 30. Bg2 Reb8 31. Nd1 Na5 32. Rc1 Bc6 33. Qa6 Qc7 34. b3 Re8 35. Qe2 f5 36. e5 Bb5 37. Qf3 Bc6 38. Qe2 Qb7 39. Bg5 Bxg2+ 40. Qxg2 Qxg2+ 41. Kxg2 Rb6 42. Kf3 Nc6 43. Nc3 Nb4 44. Ne2 Nc6 45. Nxd4 Nxd4+ 46. Ke3 Rb5 47. Rc4 a5 48. Rd3 Kf7 49. a4 Rxb3 50. Rxc5 Rxd3+ 51. Kxd3 Nf3 52. Rxa5 Nxh2 53. Ra7+ Kg8 54. a5 Ng4 55. a6 h6 56. Rb7 Ra8 57. a7 Rxa7 58. Rxa7 hxg5 59. Re7 gxf4 60. gxf4 g5 61. fxg5 Nxe5+ 62. Ke2 Ng6 1/2-1/2

[Event "US Open-101"]
[Site "Saint Paul"]
[Date "2000.08.11"]
[Round "7"]
[White "Aramil, William J"]
[Black "Heurung, David"]
[Result "1/2-1/2"]
[ECO "D85"]
[BlackElo "2271"]
[PlyCount "68"]
[EventDate "2000.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 0-0 8. Rb1 Qd7 9. h3 b6 10. Be3 Bb7 11. Bd3 c5 12. 0-0 c4 13. Bc2 f5 14. exf5 gxf5 15. Qe2 Qd5 16. Rfe1 Nd7 17. Bg5 e5 18. Ba4 exd4 19. cxd4 Rac8 20. Qe6+ Qxe6 21. Rxe6 Rf7 22. Rd6 Nf6 23. Ne5 Rff8 24. Bxf6 Rxf6 25. Rd7 Be4 26. Rc1 a6 27. f3 Ba8 28. Rxc4 Rxc4 29. Nxc4 b5 30. Nb6 Bc6 31. Bb3+ Kf8 32. d5 Bxd7 33. Nxd7+ Ke7 34. Nxf6 Bxf6 1/2-1/2

[Event "US Open-101"]
[Site "Saint Paul"]
[Date "2000.08.10"]
[Round "6"]
[White "Heurung, David"]
[Black "Jensen, Matthew R"]
[Result "1-0"]
[ECO "D77"]
[WhiteElo "2271"]
[PlyCount "47"]
[EventDate "2000.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 b6 7. cxd5 Bb7 8. Re1 Nxd5 9. e4 Nf6 10. Nc3 Nbd7 11. e5 Nd5 12. e6 Nxc3 13. bxc3 fxe6 14. Ng5 Bxg2 15. Kxg2 Nf6 16. Nxe6 Qd5+ 17. f3 Rfc8 18. Nxg7 Kxg7 19. Rxe7+ Kg8 20. Qe2 c5 21. c4 Qd6 22. Bf4 Qxd4 23. Be5 Qd8 24. Bxf6 1-0

[Event "US Open-101"]
[Site "Saint Paul"]
[Date "2000.08.09"]
[Round "5"]
[White "Djambazov, Plamen"]
[Black "Heurung, David"]
[Result "0-1"]
[ECO "D91"]
[BlackElo "2271"]
[PlyCount "72"]
[EventDate "2000.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 0-0 8. Nf3 c6 9. dxc6 Nxc6 10. e3 e5 11. dxe5 Qb6 12. Qb3 Nxe5 13. Be2 Nxf3+ 14. Bxf3 Qa6 15. Be2 Qa5 16. 0-0 Be6 17. Bc4 Bxc4 18. Qxc4 Rfc8 19. Qb3 Bxc3 20. bxc3 Rxc3 21. Qxb7 Rd8 22. Qb2 Qe5 23. Rab1 Rdc8 24. Rbc1 R8c5 25. Rxc3 Rxc3 26. Qd2 Qc5 27. h3 Rc2 28. Qd8+ Kg7 29. a4 Ra2 30. Qd7 Qa5 31. Qd4+ Kh6 32. Ra1 Rd2 33. Qf4+ Kg7 34. Rc1 Qd5 35. Qc4 Qe5 36. Qc3 Rd1+ 0-1

[Event "US Open-101"]
[Site "Saint Paul"]
[Date "2000.08.08"]
[Round "4"]
[White "Heurung, David"]
[Black "Alexandrov, Alexei"]
[Result "1/2-1/2"]
[ECO "A82"]
[WhiteElo "2271"]
[BlackElo "2206"]
[PlyCount "115"]
[EventDate "2000.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 f5 2. e4 d6 3. exf5 Bxf5 4. Bd3 Qd7 5. Ne2 Bxd3 6. Qxd3 Nc6 7. d5 Ne5 8. Qb3 c6 9. f4 Nf7 10. c4 Nf6 11. Nd4 Nd8 12. f5 g6 13. 0-0 gxf5 14. Nxf5 e6 15. dxe6 Nxe6 16. Qc3 Qf7 17. Nxd6+ Bxd6 18. Rxf6 Bc5+ 19. Kf1 Bd4 20. Rxf7 Bxc3 21. Rf3 Bg7 22. Re3 0-0+ 23. Ke1 Nf4 24. Rg3 Rae8+ 25. Kd1 Ne2 26. Rf3 Nxc1 27. Rxf8+ Rxf8 28. Kxc1 Rf1+ 29. Kc2 Rf2+ 30. Nd2 Rxg2 31. h4 Rh2 32. Kd3 Rxh4 33. Nf3 Rg4 34. Rh1 Bf6 35. b3 Kg7 36. Nd2 Kg6 37. Ne4 Be7 38. Ke3 h5 39. Kf3 Bg5 40. Re1 Rf4+ 41. Kg3 h4+ 42. Kh3 Kh5 43. Kg2 Bd8 44. Nf2 Bb6 45. c5 Ba5 46. Re7 Bb4 47. Re5+ Kg6 48. Nd3 Rd4 49. Re3 Kf6 50. Kh3 b6 51. cxb6 axb6 52. Nxb4 Rxb4 53. a3 Rd4 54. a4 Kf5 55. Rc3 Kg5 56. Rf3 c5 57. Rc3 Rb4 58. a5 1/2-1/2

[Event "US Open-101"]
[Site "Saint Paul"]
[Date "2000.08.07"]
[Round "3"]
[White "Krauss, George"]
[Black "Heurung, David"]
[Result "0-1"]
[ECO "B16"]
[BlackElo "2271"]
[PlyCount "110"]
[EventDate "2000.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[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. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Nf3 Bf5 7. Bd3 e6 8. Bxf5 Qa5+ 9. c3 Qxf5 10. Be3 Nd7 11. Qe2 Rg8 12. g3 Nb6 13. 0-0-0 0-0-0 14. Nh4 Qd5 15. Kb1 Nc4 16. Bc1 f5 17. f4 Be7 18. Nf3 Nd6 19. Rhe1 Ne4 20. Nd2 Nf6 21. Nf3 Qe4+ 22. Qxe4 Nxe4 23. Be3 h5 24. Nd2 h4 25. Nxe4 fxe4 26. Rg1 f5 27. Rd2 Rg7 28. Rdg2 Rdg8 29. Kc2 b5 30. Kd1 Kd7 31. Ke2 Kd6 32. Kf1 h3 33. Rd2 a5 34. Ke2 Kd5 35. Rc1 Rb8 36. b3 Ba3 37. c4+ Kd6 38. Rcd1 bxc4 39. bxc4 Rgb7 40. Kf2 Rb1 41. Rxb1 Rxb1 42. g4 Rc1 43. c5+ Ke7 44. g5 Rc3 45. Re2 Kf7 46. Bd2 Rf3+ 47. Ke1 Bb2 48. Be3 Bc3+ 49. Kd1 Rf1+ 50. Kc2 Bb4 51. Kb2 Re1 52. Rxe1 Bxe1 53. Kb3 Bg3 54. Bg1 Bxf4 55. Ka4 Bc7 0-1

[Event "US Open-101"]
[Site "Saint Paul"]
[Date "2000.08.06"]
[Round "2"]
[White "Heurung, David"]
[Black "Skelton, Noel"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2271"]
[PlyCount "132"]
[EventDate "2000.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. c4 c6 7. b3 Bf5 8. Nh4 Be4 9. f3 Bxb1 10. Rxb1 Nbd7 11. e4 e5 12. dxe5 Nxe5 13. Bb2 Re8 14. cxd5 cxd5 15. exd5 Qd7 16. h3 Nxd5 17. Bxe5 Rxe5 18. f4 Rh5 19. Nf3 Qc7 20. g4 Nc3 21. Qc2 Ra5 22. b4 Rxa2 23. Qb3 Rxg2+ 24. Kxg2 Nxb1 25. Rxb1 Qxf4 26. Qd5 Rc8 27. Re1 Rc2+ 28. Kh1 h6 29. Qe4 Rc4 30. Qxf4 Rxf4 31. Kg2 Rxb4 32. Re8+ Bf8 33. Ne5 Kg7 34. Ra8 a6 35. Rd8 Re4 36. Nd3 b5 37. Kf3 Re6 38. Nf4 Rd6 39. Rb8 Be7 40. Rb7 Bf6 41. Ke4 Rd4+ 42. Kf3 Rd6 43. Ke4 Kf8 44. Rb8+ Kg7 45. Rb7 Bg5 46. Nd5 Re6+ 47. Kd4 Re1 48. Kc5 Bd2 49. Kd6 b4 50. Kd7 a5 51. h4 g5 52. h5 Bf4 53. Ne7 Kf6 54. Nf5 Ke5 55. Rb5+ Ke4 56. Rxa5 Kd3 57. Nxh6 Rg1 58. Ke7 b3 59. Rb5 Kc4 60. Rb7 f5 61. Nxf5 Rxg4 62. h6 Rg2 63. Kf6 Rh2 64. h7 Bd2 65. Nd6+ Kd5 66. Rxb3 Kxd6 1/2-1/2

[Event "US Open-101"]
[Site "Saint Paul"]
[Date "2000.08.05"]
[Round "1"]
[White "Zentner, Perry"]
[Black "Heurung, David"]
[Result "0-1"]
[ECO "A48"]
[BlackElo "2271"]
[PlyCount "80"]
[EventDate "2000.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 0-0 5. b3 d6 6. Bb2 e5 7. dxe5 Ng4 8. 0-0 Nc6 9. Nbd2 Ngxe5 10. Nxe5 Nxe5 11. Bxe5 dxe5 12. e4 Qe7 13. Qe2 c6 14. Rfd1 h5 15. h3 Qg5 16. Kh2 f5 17. f3 h4 18. Rg1 Bh6 19. Nf1 Qf6 20. Re1 Bf4+ 21. Kh1 Kh8 22. a4 Bd7 23. Nd2 Rad8 24. Rd1 Qg5 25. Nf1 Be6 26. g3 hxg3 27. Qg2 fxe4 28. fxe4 Qh4 29. Nxg3 Bxh3 30. Qh2 g5 31. Rde1 Bg4 32. Qxh4+ gxh4 33. Ne2 Bf3+ 34. Rg2 h3 35. Nxf4 Rxf4 36. Kg1 hxg2 37. Re3 Rdf8 38. Be2 Bxe4 39. Rh3+ Kg7 40. Rg3+ Kf6 0-1

[Event "Chicago op"]
[Site "Chicago"]
[Date "1993.??.??"]
[Round "1"]
[White "Benesa, Arnulfo"]
[Black "Heurung, David"]
[Result "0-1"]
[ECO "D77"]
[PlyCount "82"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d5 6. c4 Nc6 7. Nc3 dxc4 8. e4 Bg4 9. Be3 e5 10. d5 Na5 11. Qa4 Bxf3 12. Bxf3 b6 13. Bc5 Re8 14. Bb4 Nb7 15. Qc6 Nd6 16. Nb5 Nxb5 17. Qxb5 Qd7 18. Qxc4 a5 19. Bd2 b5 20. Qc2 Rec8 21. Rac1 Ne8 22. Qc6 Qxc6 23. Rxc6 Nd6 24. b3 a4 25. Bb4 axb3 26. axb3 Bf8 27. Rfc1 Nxe4 28. Bxf8 Nd2 29. Bd1 Kxf8 30. Kg2 Ne4 31. Bf3 Ng5 32. Rxc7 Rxc7 33. Rxc7 e4 34. Bg4 f5 35. Bd1 Ra1 36. Bc2 Nf3 37. d6 Rg1+ 38. Kh3 Rh1 39. g4 f4 40. g5 Rxh2+ 41. Kg4 Rh4# 0-1

[Event "Chicago op"]
[Site "Chicago"]
[Date "1993.??.??"]
[Round "2"]
[White "Heurung, David"]
[Black "Ivanov, Alexander"]
[Result "0-1"]
[ECO "A04"]
[BlackElo "2525"]
[PlyCount "40"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. g3 c5 4. Bg2 cxd4 5. Nxd4 Nc6 6. Nb3 d6 7. Nc3 Bxc3+ 8. bxc3 Qc7 9. 0-0 h5 10. c4 Nf6 11. c5 dxc5 12. Nxc5 Qe5 13. Nb3 h4 14. Bxc6+ bxc6 15. Qd4 Qxe2 16. Bg5 hxg3 17. Rae1 gxh2+ 18. Kg2 Bh3+ 19. Kg3 Bxf1 20. Rxe2 Rh3+ 0-1

[Event "Chicago op"]
[Site "Chicago"]
[Date "1993.??.??"]
[Round "5"]
[White "Heurung, David"]
[Black "Kurzdorfer, Peter"]
[Result "1/2-1/2"]
[ECO "E05"]
[PlyCount "108"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. 0-0 0-0 6. c4 dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Nc6 11. Rd1 Nxd4 12. Nxd4 Bxg2 13. Ba5 Be4 14. Qxc7 Qxc7 15. Bxc7 Rac8 16. Ba5 Nd5 17. Nd2 Bg6 18. N2b3 Nb4 19. a3 Nc6 20. Nxc6 Rxc6 21. Nd4 Rcc8 22. Rac1 Be4 23. f3 Bb7 24. Bc7 Bf6 25. e4 Bd8 26. Bd6 Rxc1 27. Rxc1 Re8 28. Kf2 Bb6 29. Bc5 Rc8 30. b4 Bxc5 31. bxc5 Bc6 32. Ke3 Kf8 33. Rd1 Ke7 34. f4 f6 35. Rd3 g6 36. Rc3 e5 37. fxe5 fxe5 38. Nf3 Kf6 39. Rd3 Re8 40. Rd6+ Re6 41. Rxe6+ Kxe6 42. Ng5+ Ke7 43. Nxh7 a5 44. Kd3 b4 45. axb4 axb4 46. Ng5 Bb5+ 47. Kc2 Ba4+ 48. Kb2 Kd7 49. h4 Kc6 50. Nf3 Kxc5 51. Nxe5 Kd4 52. Nxg6 Kxe4 53. g4 Bd1 54. Ne7 Kf4 1/2-1/2

[Event "Chicago op"]
[Site "Chicago"]
[Date "1993.??.??"]
[Round "7"]
[White "Heurung, David"]
[Black "Stone, Raymond"]
[Result "0-1"]
[ECO "D77"]
[BlackElo "2365"]
[PlyCount "48"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. Nc4 Nc6 10. Nfe5 Nd5 11. Bb2 Nxe5 12. Nxe5 Bxe5 13. dxe5 Be6 14. Qc2 Qc7 15. Rad1 Rfd8 16. h4 Nb6 17. h5 Nc4 18. hxg6 hxg6 19. Bc1 Rxd1 20. Rxd1 Rd8 21. Bxb7 Rxd1+ 22. Qxd1 Qxb7 23. Qd8+ Kh7 24. Kh2 Qe4 0-1

[Event "Chicago op"]
[Site "Chicago"]
[Date "1993.??.??"]
[Round "4"]
[White "Jordan, Rafael"]
[Black "Heurung, David"]
[Result "0-1"]
[ECO "A16"]
[PlyCount "200"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. e4 Nxc3 5. bxc3 g6 6. Nf3 Bg7 7. Be2 0-0 8. 0-0 c5 9. h3 Nc6 10. a4 b6 11. Bb2 Qc7 12. Qc2 Na5 13. c4 e5 14. Nh2 Be6 15. d3 f5 16. f3 f4 17. Ng4 Rad8 18. Nf2 Rd6 19. Nd1 Nc6 20. Bc3 Qd7 21. Nf2 g5 22. Qb2 h5 23. Rfd1 Bf6 24. Qb5 Qg7 25. Kf1 Bd7 26. Qb2 Ne7 27. Ke1 Ng6 28. Kd2 Nh4 29. Rg1 Be6 30. Kc2 Ng6 31. Rgd1 Qc7 32. Qa3 Rb8 33. Rab1 Bd7 34. Ra1 a6 35. Rdb1 Ne7 36. Kd2 Be6 37. Ke1 Qc6 38. Rb2 Qd7 39. Rab1 Qc7 40. a5 Bd7 41. axb6 Rdxb6 42. Qa5 Nc8 43. Bd1 Qd6 44. Bc2 Kf7 45. Rxb6 Rxb6 46. Rxb6 Qxb6 47. Qxb6 Nxb6 48. Nd1 g4 49. hxg4 hxg4 50. Nb2 g3 51. Ba5 Nc8 52. Ba4 Ke8 53. Ke2 Be7 54. Bxd7+ Kxd7 55. Na4 Kc6 56. Nc3 Bd6 57. Nd5 Bb8 58. Kd2 Nd6 59. Ne7+ Kd7 60. Nd5 Nf7 61. Ke2 Ng5 62. Bb6 Ne6 63. Ke1 Kc6 64. Ba5 Bd6 65. Bc3 Nd8 66. Kd2 Bb8 67. Ba5 Nb7 68. Bc3 a5 69. Ne7+ Kd7 70. Nd5 Kd6 71. Nb6 Bc7 72. Nd5 Bd8 73. Kc2 a4 74. Bb2 Ba5 75. Bc3 Bxc3 76. Nxc3 Na5 77. Nxa4 Nc6 78. Nc3 Nd4+ 79. Kd2 Nb3+ 80. Kd1 Nd4 81. Ke1 Kc6 82. Nd5 Nc2+ 83. Kf1 Nd4 84. Ne7+ Kb6 85. Ng6 Nc6 86. Ke2 Ka5 87. Kd2 Kb4 88. Ne7 Nxe7 89. Kc2 Nc6 90. Kd2 Nd4 91. Ke1 Kc3 92. Kf1 Kd2 93. Kg1 Ke2 94. Kh1 Kxd3 95. Kg1 Kxc4 96. Kf1 Kd3 97. Kg1 c4 98. Kf1 c3 99. Kg1 c2 100. Kf1 c1Q# 0-1

[Event "Chicago op"]
[Site "Chicago"]
[Date "1993.??.??"]
[Round "6"]
[White "Nahumovich, Anatoly"]
[Black "Heurung, David"]
[Result "0-1"]
[ECO "D91"]
[PlyCount "68"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 0-0 8. e3 c6 9. Nf3 cxd5 10. Qb3 e6 11. Be2 Nc6 12. 0-0 Bd7 13. Rfc1 Qe7 14. a3 Rfc8 15. Qd1 Na5 16. b3 Qd8 17. Bd3 Bf8 18. Ne5 Be8 19. b4 f6 20. Nf3 Nc4 21. Bxc4 Rxc4 22. Nd2 Rc7 23. Nb3 b6 24. Rc2 a5 25. bxa5 bxa5 26. Qg4 f5 27. Qe2 Rac8 28. Nc5 Bxc5 29. dxc5 Rxc5 30. Rac1 Qc7 31. Qd2 Ba4 32. Nxd5 Rxc2 33. Nf6+ Kf7 34. Rxc2 Qxc2 0-1

[Event "National op"]
[Site "Chicago"]
[Date "1991.??.??"]
[Round "2"]
[White "Brodie, Hugh"]
[Black "Heurung, David"]
[Result "0-1"]
[ECO "B14"]
[PlyCount "94"]
[EventDate "1991.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Qb3 Bg7 7. cxd5 0-0 8. Be2 Na6 9. Bf3 e6 10. dxe6 Re8 11. Nge2 Bxe6 12. Qxb7 Qa5 13. Qb5 Qxb5 14. Nxb5 Rab8 15. Nbc3 Nb4 16. 0-0 Nc2 17. Rb1 Rbd8 18. b4 Nxd4 19. Nxd4 Rxd4 20. Be3 Rd3 21. Rfc1 Nd7 22. Nb5 Bxa2 23. Be2 Bxb1 24. Rxb1 Rdxe3 25. fxe3 Bh6 26. Ra1 Bxe3+ 27. Kf1 Ne5 28. Ra3 Bb6 29. Nxa7 Rb8 30. Nb5 Nc6 31. Bc4 Kg7 32. Nd6 Nxb4 33. Ke2 Nc2 34. Rd3 Nd4+ 35. Kd2 f5 36. Ba2 Bc5 37. Nc4 Kf6 38. Kc3 Ra8 39. Bb1 Rd8 40. Rh3 h5 41. Bd3 Rb8 42. Nd2 Ne6 43. Rf3 Bb4+ 44. Kc2 Nd4+ 45. Kd1 Nxf3 46. Nxf3 g5 47. h4 g4 0-1

[Event "USA-chT 1st 11 corr9193"]
[Site "USA corr"]
[Date "1991.??.??"]
[Round "?"]
[White "Curry, Robert L"]
[Black "Heurung, David"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "69"]
[EventDate "1991.??.??"]
[EventType "team (corr)"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 Qb6 5. g4 Bd7 6. Na4 Qc7 7. Nc5 e6 8. Nxd7 Nxd7 9. f4 c5 10. c3 Ne7 11. Nf3 h5 12. gxh5 Nf5 13. Bd3 0-0-0 14. Bxf5 exf5 15. Qd3 Rxh5 16. Ng5 cxd4 17. cxd4 Kb8 18. Bd2 g6 19. Rc1 Qb6 20. Nxf7 Re8 21. 0-0 Be7 22. Rf2 Rh4 23. Bc3 Rf8 24. Qe2 Rg4+ 25. Kh1 Qe6 26. Ng5 Bxg5 27. fxg5 Qe7 28. Qd2 Qxg5 29. Qxg5 Rxg5 30. Bb4 Re8 31. Bd6+ Ka8 32. Rfc2 Nb6 33. a4 a6 34. b3 Ka7 35. a5 1-0

[Event "USA-chT 1st 11 corr9193"]
[Site "USA corr"]
[Date "1991.??.??"]
[Round "?"]
[White "Doren, Dennis M"]
[Black "Heurung, David"]
[Result "1/2-1/2"]
[ECO "A34"]
[PlyCount "70"]
[EventDate "1991.??.??"]
[EventType "team (corr)"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 c5 5. Bg2 Nc7 6. Nf3 Nc6 7. d3 e5 8. Nd2 Bd7 9. Nc4 b5 10. Nd2 Rc8 11. 0-0 Be7 12. a3 0-0 13. Nb3 Nd4 14. Na5 b4 15. axb4 cxb4 16. Nb7 Qe8 17. Ne4 Ncb5 18. Be3 f5 19. Bxd4 Nxd4 20. Ned6 Bxd6 21. Nxd6 Qh5 22. Re1 Rc6 23. e3 Qxd1 24. Rexd1 Rxd6 25. exd4 Rxd4 26. Re1 Re8 27. Rxa7 Rxd3 28. Bf1 Rd4 29. b3 e4 30. Rb7 Be6 31. Bc4 Bxc4 32. Rxb4 Rd3 33. bxc4 Rc3 34. Rd1 Rc8 35. Rd7 e3 1/2-1/2

[Event "USA-chT 1st 11 corr9193"]
[Site "USA corr"]
[Date "1991.??.??"]
[Round "?"]
[White "Heurung, David"]
[Black "Curry, Robert L"]
[Result "0-1"]
[ECO "A46"]
[PlyCount "66"]
[EventDate "1991.??.??"]
[EventType "team (corr)"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 b5 5. 0-0 Bb7 6. a4 b4 7. c4 Be7 8. Nbd2 0-0 9. dxc5 Na6 10. Nb3 Nxc5 11. Nxc5 Bxc5 12. Bf4 d6 13. a5 Qc7 14. Qb3 Rab8 15. Ne1 Bxg2 16. Nxg2 Ne4 17. Be3 Rfd8 18. Rfc1 f5 19. Nf4 Kf7 20. h4 Bxe3 21. Qxe3 Qc5 22. Qf3 g6 23. Nd3 Qc7 24. Qe3 Nc5 25. Nf4 Qe7 26. b3 Qf6 27. a6 Qe5 28. Qf3 Qe4 29. Qxe4 fxe4 30. Rcb1 Rb6 31. f3 exf3 32. exf3 Rc8 33. Kf2 Rcc6 0-1

[Event "USA-chT 1st 11 corr9193"]
[Site "USA corr"]
[Date "1991.??.??"]
[Round "?"]
[White "Heurung, David"]
[Black "Doren, Dennis M"]
[Result "1-0"]
[ECO "A05"]
[PlyCount "79"]
[EventDate "1991.??.??"]
[EventType "team (corr)"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. b3 c5 7. Bb2 Nbd7 8. Na3 Re8 9. c4 cxd4 10. Nxd4 Nf8 11. Ndc2 dxc4 12. Nxc4 Bf5 13. N2e3 Be4 14. f3 Bc6 15. Qe1 N8d7 16. Kh1 Nd5 17. Bxg7 Nxe3 18. Nxe3 Kxg7 19. Qc3+ f6 20. Rfd1 Rc8 21. Rd4 Qc7 22. Rad1 Ne5 23. Qd2 Nf7 24. Nd5 Bxd5 25. Rxd5 Red8 26. Qe3 Rxd5 27. Rxd5 Qc1+ 28. Qg1 Qa3 29. Rd7 Rc2 30. Rxb7 Rxa2 31. Qf2 Ne5 32. h3 Nd3 33. Qe3 Qc1+ 34. Qxc1 Nxc1 35. Rxe7+ Kh6 36. e3 Nxb3 37. f4 Ra5 38. g4 a6 39. Kh2 Nc1 40. h4 1-0

[Event "National op"]
[Site "Chicago"]
[Date "1991.??.??"]
[Round "5"]
[White "Heurung, David"]
[Black "Fishbein, Alexander"]
[Result "0-1"]
[ECO "E62"]
[BlackElo "2465"]
[PlyCount "60"]
[EventDate "1991.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 c6 7. Nc3 Qa5 8. h3 e5 9. e4 exd4 10. Nxd4 Qc5 11. Nde2 Rd8 12. b3 Na6 13. a3 Qe5 14. Bf4 Qe7 15. Ra2 Nc5 16. f3 Nh5 17. Bd2 f5 18. exf5 gxf5 19. g4 fxg4 20. fxg4 Nf6 21. Bg5 Rf8 22. Nd4 Qe8 23. Re2 Qg6 24. Bf4 Nxg4 25. hxg4 Bxg4 26. b4 Nd3 27. Be3 Rxf1+ 28. Qxf1 Re8 29. Nd5 Bxe2 30. Qxe2 Bxd4 0-1

[Event "USA-chT 1st 11 corr9193"]
[Site "USA corr"]
[Date "1991.??.??"]
[Round "?"]
[White "Heurung, David"]
[Black "Madsen, Craig"]
[Result "0-1"]
[ECO "A31"]
[PlyCount "76"]
[EventDate "1991.??.??"]
[EventType "team (corr)"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nb5 d5 6. cxd5 Bc5 7. N5c3 0-0 8. e3 e4 9. Nd2 Re8 10. a3 Bf5 11. b4 Bf8 12. Nc4 Nbd7 13. Bb2 Ng4 14. Qd4 a6 15. Be2 b5 16. Bxg4 Bxg4 17. Nd2 f5 18. h3 Bh5 19. g4 Ne5 20. gxh5 Nd3+ 21. Ke2 Nxb2 22. h6 Qh4 23. d6 Qh5+ 24. Kf1 Rad8 25. Nd5 Qf7 26. Rg1 Rxd6 27. hxg7 Bxg7 28. Ne7+ Qxe7 29. Rxg7+ Qxg7 30. Qxd6 Nd3 31. Ra2 Kh8 32. Nb3 Ne5 33. Nd4 Nc4 34. Qf4 Rg8 35. Qh2 Qh6 36. Ke1 Qg7 37. Kf1 Ne5 38. Rc2 Nf3 0-1

[Event "USA-chT 1st 11 corr9193"]
[Site "USA corr"]
[Date "1991.??.??"]
[Round "?"]
[White "Heurung, David"]
[Black "Shea, Quinlan"]
[Result "0-1"]
[ECO "A46"]
[PlyCount "66"]
[EventDate "1991.??.??"]
[EventType "team (corr)"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b5 4. Bg2 Bb7 5. 0-0 c5 6. a4 b4 7. Nbd2 Be7 8. c4 bxc3 9. bxc3 Na6 10. Rb1 Rb8 11. Re1 0-0 12. e4 d5 13. Qe2 cxd4 14. Rxb7 Rxb7 15. Qxa6 Rb6 16. Qa5 dxc3 17. Qxc3 Bb4 18. Qc2 Qc8 19. Qxc8 Rxc8 20. exd5 Nxd5 21. Ne5 Ra6 22. Bxd5 exd5 23. Nd3 Rxa4 24. Rd1 a5 25. Nb3 Rc3 26. Nd4 Ra1 27. Ne2 Rc2 28. Nd4 Rc4 29. Ne2 Ba3 30. Kf1 a4 31. Ke1 Bd6 32. Kd2 a3 33. Nc3 Bc7 0-1

[Event "USA-chT 1st 11 corr9193"]
[Site "USA corr"]
[Date "1991.??.??"]
[Round "?"]
[White "Madsen, Craig"]
[Black "Heurung, David"]
[Result "1-0"]
[ECO "D97"]
[PlyCount "45"]
[EventDate "1991.??.??"]
[EventType "team (corr)"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 a6 8. Qb3 b5 9. e5 Nfd7 10. Be3 Nb6 11. Rd1 Bb7 12. Be2 Nc6 13. 0-0 Na5 14. Qc2 Nd5 15. a3 Ra7 16. b4 Nc4 17. Bxc4 bxc4 18. Nd2 Qa8 19. g3 Nb6 20. f4 e6 21. Rf2 f5 22. h3 c6 23. d5 1-0

[Event "USA-chT 1st 11 corr9193"]
[Site "USA corr"]
[Date "1991.??.??"]
[Round "?"]
[White "Shea, Quinlan"]
[Black "Heurung, David"]
[Result "1-0"]
[ECO "D94"]
[PlyCount "67"]
[EventDate "1991.??.??"]
[EventType "team (corr)"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. Bd3 c5 7. 0-0 cxd4 8. exd4 Nc6 9. h3 dxc4 10. Bxc4 Na5 11. Bd3 Be6 12. Re1 Rc8 13. Bg5 Nc4 14. Qe2 Re8 15. Rac1 a6 16. Bxf6 exf6 17. Bxc4 Bxc4 18. Qxe8+ Qxe8 19. Rxe8+ Rxe8 20. d5 f5 21. b3 Bd3 22. Rd1 Bc2 23. Rc1 Be4 24. Nxe4 fxe4 25. Nd2 Bh6 26. Rd1 b5 27. a4 e3 28. fxe3 Rxe3 29. axb5 Rd3 30. bxa6 Rxd2 31. Rxd2 Bxd2 32. Kf2 Ba5 33. Ke3 Kf8 34. Kd3 1-0

[Event "National op"]
[Site "Chicago"]
[Date "1991.??.??"]
[Round "4"]
[White "Stern, Howard"]
[Black "Heurung, David"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "34"]
[EventDate "1991.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c6 2. f4 d5 3. e5 Bf5 4. d4 e6 5. Nf3 Qb6 6. Bd3 Nh6 7. c3 c5 8. h3 Nc6 9. g4 Be4 10. Bxe4 dxe4 11. Nfd2 cxd4 12. Nxe4 0-0-0 13. Qb3 Qa6 14. Nbd2 dxc3 15. Nxc3 Nd4 16. Qd1 Qd3 17. Qa4 Bc5 0-1

[Event "USA-chT Amateur"]
[Site "USA"]
[Date "1990.??.??"]
[Round "?"]
[White "Eckert, Doug D"]
[Black "Heurung, David"]
[Result "1-0"]
[ECO "D87"]
[WhiteElo "2300"]
[PlyCount "65"]
[EventDate "1990.??.??"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Be3 c5 9. Ne2 Nc6 10. 0-0 Qc7 11. Rc1 Rd8 12. f4 Na5 13. Bd3 e6 14. f5 exf5 15. exf5 Re8 16. Bg5 b6 17. Nf4 Bb7 18. d5 c4 19. Bb1 Be5 20. Nh5 Qc5+ 21. Rf2 Bxd5 22. Nf6+ Bxf6 23. Bxf6 Be4 24. fxg6 hxg6 25. Qd2 Qh5 26. Bxe4 Rxe4 27. Rf3 Rg4 28. Kh1 g5 29. Rh3 Rh4 30. Rxh4 gxh4 31. Re1 Qg6 32. Qf4 Rc8 33. Qxh4 1-0

[Event "US Open-90"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "8"]
[White "Heurung, David"]
[Black "Formanek, Edward W"]
[Result "1/2-1/2"]
[ECO "A43"]
[BlackElo "2340"]
[PlyCount "71"]
[EventDate "1989.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. g3 cxd4 4. Nxd4 d5 5. Bg2 e5 6. Nb3 Nc6 7. 0-0 Be7 8. Bg5 Be6 9. Nc3 d4 10. Bxf6 gxf6 11. Ne4 Bd5 12. c3 f5 13. Ned2 Bxg2 14. Kxg2 dxc3 15. bxc3 Qd5+ 16. e4 fxe4 17. c4 Qe6 18. Nxe4 Qxc4 19. Qg4 Qe6 20. Qxe6 fxe6 21. Nbc5 Bxc5 22. Nxc5 0-0-0 23. Rab1 b6 24. Nxe6 Rd2 25. Rfd1 Rc2 26. Rbc1 Rxc1 27. Rxc1 Kd7 28. Ng5 b5 29. Kf3 Rf8+ 30. Ke3 Nd4 31. f4 h6 32. Nh7 exf4+ 33. Kxd4 Rf7 34. gxf4 Rxh7 35. Kc5 Rf7 36. Kxb5 1/2-1/2

[Event "US Open-90"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "9"]
[White "Levit, Roman Izrailevich"]
[Black "Heurung, David"]
[Result "0-1"]
[ECO "D91"]
[PlyCount "111"]
[EventDate "1989.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[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. Nf3 Bg7 4. Nc3 d5 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 c6 8. e3 e6 9. Nf3 exd5 10. Be2 0-0 11. 0-0 Qe7 12. Ne1 Be6 13. Nd3 Nd7 14. b4 a5 15. a3 axb4 16. axb4 b5 17. Qd2 Nb6 18. Nc5 Bf5 19. Qb2 h5 20. Rxa8 Rxa8 21. Ra1 Bh6 22. Rxa8+ Nxa8 23. Kf1 Qa7 24. Qa2 Qxa2 25. Nxa2 Nb6 26. Nc1 Bf8 27. N1b3 Nc4 28. Ke1 Na3 29. Kd1 Bc2+ 30. Kc1 Bxb3 31. Kb2 Bxc5 32. dxc5 Nc4+ 33. Kxb3 Nd2+ 34. Kc2 Ne4 35. f3 Ng5 36. h4 Ne6 37. g4 hxg4 38. fxg4 Kg7 39. Kd2 f6 40. Bf3 f5 41. h5 Ng5 42. Be2 Ne4+ 43. Kc2 fxg4 44. Bxg4 Nf6 45. Bh3 gxh5 46. Kd3 Kf7 47. Kd4 Ke7 48. Ke5 Ng4+ 49. Kf4 Ke6 50. Bg2 Nf6 51. Bh3+ Ng4 52. Bg2 Ne5 53. Bf1 Kf6 54. Be2 h4 55. Bf1 h3 56. Kg3 0-1

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1988.??.??"]
[Round "4"]
[White "Friedman, Edward"]
[Black "Heurung, David"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "80"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. f3 exf3 5. Qxf3 Nf6 6. Bd3 Bg4 7. Qg3 e6 8. Bf4 Be7 9. Bc7 Qc8 10. Be5 Nbd7 11. Ne4 Nxe4 12. Bxe4 f5 13. h3 Nxe5 14. dxe5 0-0 15. hxg4 fxe4 16. 0-0-0 Qe8 17. Nh3 Qg6 18. Kb1 Rad8 19. Rde1 Bb4 20. Re2 Rd3 21. cxd3 exd3 22. Re3 d2+ 23. Rd3 Qe4 24. Rd1 Qe2 25. Kc2 Rf1 26. R1xd2 Bxd2 27. Rxd2 Qc4+ 28. Qc3 Qa4+ 29. b3 Qxa2+ 30. Qb2 Qa5 31. Ng5 Qc5+ 32. Qc3 Rc1+ 33. Kxc1 Qxc3+ 34. Kd1 Qxb3+ 35. Ke2 Qc4+ 36. Ke1 Qb4 37. Nxe6 Qxg4 38. Nd8 Qg3+ 39. Rf2 Qxe5+ 40. Re2 Qa5+ 0-1

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1988.??.??"]
[Round "1"]
[White "Heurung, David"]
[Black "Frias Pablaza, Victor J"]
[Result "0-1"]
[ECO "E12"]
[BlackElo "2485"]
[PlyCount "64"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Bf4 Bb7 5. e3 Bb4+ 6. Nbd2 0-0 7. Bd3 d6 8. Qc2 Bxd2+ 9. Nxd2 Nc6 10. a3 e5 11. Bg5 h6 12. Bxf6 Qxf6 13. d5 Nd8 14. 0-0 Bc8 15. Rae1 Nb7 16. b4 a5 17. f4 axb4 18. axb4 exf4 19. Ne4 Qd8 20. Rxf4 Qe7 21. Qf2 Qe5 22. h4 Ra3 23. Bb1 Bd7 24. Rf1 Nd8 25. Nf6+ gxf6 26. Re4 Qh5 27. Qxf6 Qg6 28. Qe7 Bf5 29. h5 Qxh5 30. g4 Bxg4 31. Rxg4+ Qxg4+ 32. Kf2 Rb3 0-1

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1988.??.??"]
[Round "5"]
[White "Heurung, David"]
[Black "Karklins, Andrew"]
[Result "1-0"]
[ECO "E12"]
[BlackElo "2300"]
[PlyCount "81"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Bf4 Bb7 5. e3 Ne4 6. Bd3 Bb4+ 7. Nbd2 Nxd2 8. Nxd2 Bxd2+ 9. Kxd2 d5 10. Qg4 g6 11. Be5 0-0 12. h4 Nd7 13. h5 Nxe5 14. dxe5 dxc4 15. Qxc4 Qd5 16. Qxd5 Bxd5 17. e4 Bb7 18. Ke3 Rfd8 19. f4 Rd7 20. hxg6 hxg6 21. Rh3 Rad8 22. Bc2 Kf8 23. Rh8+ Ke7 24. Rah1 c5 25. g4 c4 26. Rxd8 Rxd8 27. Rh7 Bc6 28. f5 gxf5 29. exf5 exf5 30. gxf5 Rd5 31. e6 Be8 32. Be4 Rd1 33. Kf4 Kf6 34. exf7 Bxf7 35. Rh6+ Kg7 36. Rc6 Rd7 37. Kg5 Rd4 38. f6+ Kf8 39. Rc8+ Be8 40. Bg6 Rd5+ 41. Kh6 1-0

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1988.??.??"]
[Round "3"]
[White "Heurung, David"]
[Black "Lukowiak, William"]
[Result "1-0"]
[ECO "D11"]
[PlyCount "31"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 c6 5. c4 e6 6. Qb3 Qb6 7. Nc3 Nbd7 8. 0-0 Be7 9. c5 Qxb3 10. axb3 e5 11. dxe5 Ng4 12. h3 Ngxe5 13. Nd4 g6 14. f4 Bxc5 15. Be3 f6 16. Nxf5 1-0

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1988.??.??"]
[Round "2"]
[White "Sullivan, M."]
[Black "Heurung, David"]
[Result "1/2-1/2"]
[ECO "A48"]
[PlyCount "81"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. c3 d6 5. Nbd2 Nbd7 6. e4 0-0 7. Be2 c6 8. 0-0 Qc7 9. Re1 e5 10. h3 Re8 11. dxe5 dxe5 12. Qc2 Nc5 13. Rad1 Ne6 14. Bc4 Nh5 15. g3 b5 16. Bb3 Nc5 17. Kg2 Nxb3 18. Nxb3 c5 19. c4 b4 20. Rd5 Bf8 21. Red1 Be6 22. R5d3 f5 23. Ng1 h6 24. Be3 a5 25. f3 Qf7 26. Nxc5 Bxc5 27. Bxc5 Rac8 28. Qf2 fxe4 29. fxe4 Qxf2+ 30. Bxf2 Rxc4 31. Rd8 Kf7 32. Rxe8 Kxe8 33. Rd6 Ke7 34. Ra6 Nf6 35. Ra7+ Kd6 36. Ra6+ Rc6 37. Rxa5 Nxe4 38. Be1 Rc2+ 39. Kf3 Nd2+ 40. Bxd2 Rxd2 41. b3 1/2-1/2

