[Event "SCC Swiss"]
[Site "Sacramento"]
[Date "2004.08.18"]
[Round "5"]
[White "Mack, Donald"]
[Black "Langreck, John"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1714"]
[BlackElo "2223"]
[PlyCount "54"]
[EventDate "2004.08.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. c3 dxc3 5. Nxc3 d6 6. Bc4 e6 7. Qe2 Nf6 8. 0-0 Be7 9. Rd1 e5 10. h3 0-0 11. Be3 a6 12. Rac1 Be6 13. Bd5 Bxd5 14. Nxd5 Nxd5 15. exd5 Nb8 16. Nd2 f5 17. f4 Nd7 18. fxe5 Nxe5 19. Nc4 Nxc4 20. Qxc4 Bg5 21. Bxg5 Qxg5 22. Rc3 Rae8 23. Qb4 Re2 24. g3 Rfe8 25. Qxd6 Re1+ 26. Rxe1 Rxe1+ 27. Kf2 Qd2+ 0-1

[Event "Detroit-ch MI clsUnr"]
[Site "Detroit"]
[Date "1994.??.??"]
[Round "2"]
[White "Choate, Douglas"]
[Black "Mack, Donald"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "76"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. a3 Nf6 4. Nc3 g6 5. d4 d6 6. d5 Ne7 7. h3 Bg7 8. Bg5 0-0 9. Bxf6 Bxf6 10. g4 Bg7 11. b4 b6 12. b5 a6 13. a4 axb5 14. Nxb5 Bd7 15. c4 Bxb5 16. cxb5 Rb8 17. h4 Ra8 18. g5 Ra7 19. h5 gxh5 20. Rxh5 Ng6 21. Qd2 Nf4 22. Rh4 Ng6 23. Rh5 Qa8 24. Qc2 Rb7 25. Be2 Qa5+ 26. Kf1 f6 27. Qc6 Ra7 28. Qc4 fxg5 29. Nxg5 h6 30. Ne6 Raa8 31. Nxf8 Kxf8 32. Rf5+ Kg8 33. Qc6 Rf8 34. Qxc7 Rxf5 35. exf5 Nf4 36. Qxd6 Qc3 37. Re1 Qh3+ 38. Kg1 Qg2# 0-1

[Event "Detroit-ch MI clsUnr"]
[Site "Detroit"]
[Date "1994.??.??"]
[Round "4"]
[White "Mack, Donald"]
[Black "Heim, E."]
[Result "1-0"]
[ECO "E61"]
[PlyCount "115"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[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. Nf3 Bg7 4. Nc3 a6 5. g3 0-0 6. b3 d6 7. Bg5 Nbd7 8. Bg2 c5 9. d5 Ng4 10. Bd2 Nde5 11. Nxe5 Bxe5 12. Rc1 Bf5 13. 0-0 Qd7 14. e4 Bd4 15. Be1 Ne3 16. fxe3 Bxe3+ 17. Kh1 Bxc1 18. Qxc1 Bg4 19. Qh6 e6 20. Nd1 Bxd1 21. Bc3 f6 22. dxe6 Qxe6 23. Bh3 Qxe4+ 24. Kg1 Bf3 25. Be6+ Qxe6 26. Rxf3 Rf7 27. a4 Raf8 28. a5 Qe2 29. Rf2 Qd3 30. Qc1 Qe4 31. Qd1 Qe3 32. Bd2 Qe4 33. Re2 Qf3 34. Qe1 Qd3 35. Bh6 Qd4+ 36. Kh1 Qg4 37. Re8 Qf3+ 38. Kg1 Qh5 39. Bxf8 Rxf8 40. Qe6+ Kg7 41. Qe7+ Kh6 42. Qxf8+ Kg5 43. Qxd6 Qf3 44. Qd5+ Qf5 45. Qxf5+ Kxf5 46. Rc8 Ke4 47. Rxc5 Kd4 48. Rc7 Kc3 49. Rxb7 f5 50. Rxh7 Kxb3 51. c5 Kb4 52. c6 f4 53. gxf4 Kxa5 54. c7 Ka4 55. c8Q a5 56. Rb7 Ka3 57. Qc3+ Ka4 58. Qb3# 1-0

[Event "Detroit-ch MI clsUnr"]
[Site "Detroit"]
[Date "1994.??.??"]
[Round "1"]
[White "Mack, Donald"]
[Black "Priebe, R."]
[Result "1-0"]
[ECO "D10"]
[PlyCount "107"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. g3 Nf6 4. Nc3 Bf5 5. e3 e6 6. Nf3 Nbd7 7. b3 Bb4 8. Bd2 0-0 9. Bg2 Qa5 10. Qc1 Ba3 11. Qd1 Ne4 12. Nb1 Bb4 13. Bxb4 Qxb4+ 14. Nbd2 Ndf6 15. 0-0 Bg4 16. Qe1 h6 17. a3 Qc3 18. Rc1 Qb2 19. Ra1 Qc3 20. Qe2 Rad8 21. Ra2 Rd7 22. Nb1 Qa5 23. c5 Nc3 24. Qd2 Nfe4 25. Qe1 Qb5 26. Nxc3 Nxc3 27. Qxc3 f6 28. a4 Qa6 29. Re1 b6 30. a5 b5 31. b4 Qb7 32. a6 Qc8 33. Nd2 Qe8 34. Nb3 Qh5 35. Bf1 e5 36. Na5 Rb8 37. Nxc6 Rc8 38. Na5 Re7 39. c6 Rb8 40. c7 Rc8 41. dxe5 Qxe5 42. Qd3 Be6 43. Qxb5 Rexc7 44. Rea1 Bd7 45. Qe2 Rb8 46. Qd2 Qe4 47. Rb2 Bg4 48. Bd3 Qf3 49. Be2 Qf5 50. Bxg4 Qxg4 51. Qxd5+ Kf8 52. Qd6+ Kf7 53. Qxc7+ Ke6 54. Qxb8 1-0

[Event "Detroit-ch MI clsUnr"]
[Site "Detroit"]
[Date "1994.??.??"]
[Round "3"]
[White "Mack, Donald"]
[Black "Rahimzadeh, R."]
[Result "0-1"]
[ECO "E01"]
[PlyCount "56"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. g3 dxc4 4. Nc3 e6 5. e3 Bb4 6. Bxc4 Nc6 7. Bf1 e5 8. Nf3 Ng4 9. Bc4 e4 10. Ng5 Qxg5 11. Bd2 Qf6 12. Qe2 0-0 13. Nd5 Qd6 14. Bxb4 Nxb4 15. Nxb4 Qxb4+ 16. Kf1 a6 17. a3 Qa5 18. Kg2 Qf5 19. Rhf1 Qf3+ 20. Qxf3 exf3+ 21. Kxf3 Nxh2+ 22. Kg2 Nxf1 23. Rxf1 b5 24. Bd3 Bb7+ 25. Kg1 Rad8 26. Kh2 Rd5 27. Re1 Rh5+ 28. Kg1 Rh1# 0-1

[Event "Detroit-ch MI clsUnr"]
[Site "Detroit"]
[Date "1994.??.??"]
[Round "5"]
[White "Woods, O."]
[Black "Mack, Donald"]
[Result "1-0"]
[ECO "C46"]
[PlyCount "40"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bb4 4. Bb5 Bxc3 5. dxc3 d6 6. Qd5 Bd7 7. Bc4 Qe7 8. Ng5 Nh6 9. 0-0 0-0 10. Qd3 Nd8 11. Qg3 g6 12. Qh4 Qf6 13. Qxh6 Qg7 14. Qxg7+ Kxg7 15. Bd5 Rb8 16. Be3 b6 17. Nf3 Bb5 18. Rfd1 Kg8 19. b3 c6 20. Bc4 Bxc4 1-0

