[Event "Pasadena op"]
[Site "Pasadena"]
[Date "2008.09.01"]
[Round "6"]
[White "Matson, Dave"]
[Black "Portwood, David"]
[Result "1-0"]
[ECO "B26"]
[PlyCount "73"]
[EventDate "2008.08.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e5 7. Nge2 Nge7 8. 0-0 0-0 9. Qd2 Nd4 10. f4 Be6 11. h3 Rb8 12. Nd1 Nxe2+ 13. Qxe2 f5 14. c3 Qd7 15. Kh2 b5 16. fxe5 Bxe5 17. Bh6 Bg7 18. Bxg7 Kxg7 19. Ne3 Rbe8 20. a3 d5 21. exd5 Nxd5 22. Nxd5 Bxd5 23. Qf2 Bxg2 24. Kxg2 Re5 25. Rae1 Rd5 26. Re3 Rf7 27. Qe2 Qb7 28. Kh2 Rfd7 29. Qf3 Qc7 30. Rfe1 Qd8 31. Re8 Qg5 32. R1e3 h5 33. h4 Qf6 34. R8e6 Qf7 35. Qf4 Rxd3 36. Qe5+ Kh7 37. Rxd3 1-0

[Event "Pasadena op"]
[Site "Pasadena"]
[Date "2008.08.31"]
[Round "4"]
[White "Matson, Dave"]
[Black "Lagemann, Nathaniel B"]
[Result "1-0"]
[ECO "B26"]
[BlackElo "1942"]
[PlyCount "57"]
[EventDate "2008.08.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 e6 6. Be3 Bg7 7. Qd2 Nge7 8. Bh6 0-0 9. Bxg7 Kxg7 10. f4 d5 11. e5 Nd4 12. Nd1 b5 13. c3 Ndc6 14. Nf3 c4 15. d4 a5 16. g4 Rh8 17. Ne3 h5 18. h3 hxg4 19. hxg4 Rxh1+ 20. Bxh1 b4 21. Bg2 bxc3 22. bxc3 Rb8 23. Ke2 Qb6 24. Rh1 Bd7 25. f5 exf5 26. Nxc4 Nxe5 27. Qh6+ Kf6 28. dxe5+ Ke6 29. Ng5# 1-0

[Event "USA-chT Amateur West"]
[Site "Los Angeles"]
[Date "2008.02.18"]
[Round "6"]
[White "Zimbeck, David"]
[Black "Matson, Dave"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2188"]
[PlyCount "87"]
[EventDate "2008.02.16"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d3 d5 2. Kd2 e5 3. Kc3 Nc6 4. Kd2 Nf6 5. h3 Bc5 6. e3 Be6 7. a3 d4 8. e4 a5 9. g3 b5 10. Ke2 Nd7 11. Bg2 Rb8 12. f4 exf4 13. gxf4 Qe7 14. Kf1 f6 15. b3 Nd8 16. Bf3 Bf7 17. Ne2 h5 18. Ng3 g6 19. h4 Bd6 20. a4 Ne6 21. Ne2 g5 22. f5 Nf4 23. Nxd4 Qe5 24. c3 Rb6 25. axb5 g4 26. Bg2 Nxg2 27. Kxg2 Qg3+ 28. Kf1 Ne5 29. Qe1 Qxd3+ 30. Qe2 Bc5 31. Qxd3 Nxd3 32. Rxa5 Kd7 33. Ke2 Nxc1+ 34. Rxc1 Bxd4 35. cxd4 Rhb8 36. Na3 Bxb3 37. d5 Kd6 38. Rb1 Ba2 39. Rb2 Bxd5 40. Rd2 Ke5 41. Rxd5+ Kxe4 42. Rc5 Rd8 43. Ra4+ Rd4 44. Nc4 1-0

[Event "USA-chT Amateur West"]
[Site "San Pedro"]
[Date "2007.02.18"]
[Round "3"]
[White "Kesavaraju, Anand"]
[Black "Matson, Dave"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "74"]
[EventDate "2007.02.17"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. b3 Nbd7 7. Bb2 c5 8. Nbd2 Rb8 9. c4 e6 10. e3 b5 11. Ne5 Nxe5 12. dxe5 Nd7 13. cxd5 Nxe5 14. f4 Nf3+ 15. Nxf3 Bxb2 16. Rb1 Bc3 17. Qc2 b4 18. Ne5 Qc7 19. Nc6 Rb6 20. e4 Re8 21. Rbd1 exd5 22. exd5 Bf5 23. Qf2 Qd6 24. Kh1 Rb7 25. h3 h5 26. Kh2 Rc7 27. Kh1 a5 28. Nxa5 Rce7 29. Nc4 Qf6 30. Qxc5 Re2 31. Qd6 Rxg2 32. Kxg2 Bxh3+ 33. Kh1 Qf5 34. Rf2 Bd4 35. Rfd2 Bf1 36. Ne5 Qh3+ 37. Rh2 Bg2# 0-1

[Event "Ileto Memorial 05th"]
[Site "Monterey Park"]
[Date "2003.12.14"]
[Round "4"]
[White "Miller, Ike S"]
[Black "Matson, Dave"]
[Result "1-0"]
[ECO "D36"]
[PlyCount "115"]
[EventDate "2003.12.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. Bg5 Nbd7 6. cxd5 exd5 7. Qc2 h6 8. Bh4 Be7 9. e3 a6 10. Bd3 0-0 11. 0-0 Re8 12. Rfe1 Ne4 13. Bxe7 Qxe7 14. Bxe4 dxe4 15. Nd2 Nf6 16. f3 Bf5 17. a3 Bg6 18. f4 Bf5 19. b4 Rad8 20. Rab1 g5 21. Rf1 gxf4 22. Rxf4 Bg6 23. Rbf1 Nd5 24. Nxd5 Rxd5 25. Nc4 Rh5 26. Ne5 Qg5 27. Qb3 Rxe5 28. dxe5 Qxe5 29. g3 Qe7 30. Rd1 Rf5 31. Rxf5 Bxf5 32. Qc3 Bh3 33. Qd4 Qe6 34. Rd2 Qf5 35. Qd8+ Kg7 36. Rf2 Qe6 37. Qh4 Qd7 38. Qf6+ Kg8 39. Qd4 Qe6 40. Qc3 b6 41. Qc2 Qd5 42. Rd2 Qf5 43. Rd8+ Kh7 44. Qf2 Qe6 45. Qf4 Qc4 46. g4 Qc1+ 47. Kf2 Qf1+ 48. Kg3 Qxf4+ 49. Kxf4 c5 50. bxc5 bxc5 51. Rd7 Kg7 52. Rc7 Bf1 53. Rxc5 Bd3 54. a4 Kg6 55. a5 f6 56. Rc6 Bb5 57. Rb6 Bd3 58. h4 1-0

[Event "Los Angeles County op"]
[Site "Monterey Park"]
[Date "2003.05.11"]
[Round "4"]
[White "Matson, Dave"]
[Black "Shreiba, Wael"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "87"]
[EventDate "2003.05.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 Nf6 5. d3 Be7 6. f4 d5 7. e5 Nd7 8. Nf3 a6 9. 0-0 0-0 10. Kh1 b6 11. b3 Qc7 12. Bb2 Rb8 13. Ne2 Bb7 14. a4 Ba8 15. d4 Rfc8 16. c3 Na5 17. Nd2 Bc6 18. f5 b5 19. fxe6 fxe6 20. Nf4 Nf8 21. Qg4 Bd7 22. axb5 Rxb5 23. Rf2 cxd4 24. cxd4 Qc2 25. Ne4 dxe4 26. Rxc2 Rxc2 27. Ba3 Bxa3 28. Bxe4 Rc1+ 29. Rxc1 Bxc1 30. Nh5 g6 31. Nf6+ Kf7 32. Nxd7 Nxd7 33. d5 Nf8 34. Qf3+ Ke8 35. d6 Nd7 36. b4 Rxb4 37. h4 Nc4 38. Bc6 Ncxe5 39. Qc3 Rb1 40. Bxd7+ Kf7 41. Qc2 Ra1 42. Qb3 Be3+ 43. Kh2 Rg1 44. Qxe6+ 1-0

