[Event "US Open-84"]
[Site "Pasadena"]
[Date "1983.08.19"]
[Round "12"]
[White "Matzner, Stephen"]
[Black "Parsons, Larry"]
[Result "1-0"]
[ECO "A69"]
[WhiteElo "2225"]
[PlyCount "74"]
[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 g6 2. c4 d6 3. Nc3 Bg7 4. e4 Nf6 5. f4 0-0 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Re8 10. e5 dxe5 11. fxe5 Ng4 12. Bf4 Nxe5 13. 0-0 Bf5 14. Qd2 Nbd7 15. d6 Qb6 16. Kh1 Qb4 17. Rad1 Nb6 18. Nxe5 Bxe5 19. Bxe5 Rxe5 20. Rf4 c4 21. Rh4 Rae8 22. Qh6 g5 23. Qxg5+ Bg6 24. Qd2 Qc5 25. Rf4 Nd7 26. Bxc4 Qe3 27. Qxe3 Rxe3 28. Rdf1 Ne5 29. Bb5 Rd8 30. Nd5 Rd3 31. Bxd3 Bxd3 32. Re1 Ng6 33. Ne7+ Kf8 34. Nxg6+ hxg6 35. Rd4 Bf5 36. g4 Be6 37. Kg2 Ke8 1-0

[Event "US Open-84"]
[Site "Pasadena"]
[Date "1983.08.11"]
[Round "5"]
[White "Christiansen, Larry Mark"]
[Black "Matzner, Stephen"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2520"]
[BlackElo "2225"]
[PlyCount "137"]
[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 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 d6 7. Nf3 Bg7 8. a4 0-0 9. Ra3 axb5 10. Bxb5 Ne8 11. 0-0 Nc7 12. Be2 Nd7 13. e4 Ba6 14. Bg5 Re8 15. Bxa6 Nxa6 16. Qe2 Qb6 17. Nb5 Nc7 18. Nxc7 Qxc7 19. b3 h6 20. Be3 Reb8 21. Nd2 Rb4 22. Ra2 Rb7 23. h3 Nb6 24. Rc2 Nd7 25. f4 Qa5 26. Bf2 Qb4 27. Rc4 Qa3 28. Rfc1 Rb4 29. Qd1 Nb6 30. Rxb4 Qxb4 31. Kh1 Bc3 32. Nf3 Bb2 33. Rb1 Bg7 34. Qc2 Qc3 35. Qe2 Qb4 36. Be1 Bc3 37. Bxc3 Qxc3 38. Qb5 Qa5 39. Qd3 Qb4 40. f5 g5 41. e5 Qf4 42. Qb5 Qb4 43. Qxb4 cxb4 44. Rd1 Ra5 45. exd6 exd6 46. Rd4 Nxd5 47. Nd2 Kf8 48. Nc4 Rc5 49. a5 Ke7 50. a6 Nc7 51. a7 d5 52. Nb6 Ra5 53. Rxb4 Ra6 54. a8Q Nxa8 55. Nxd5+ Kd6 56. Ne3 Nc7 57. Re4 Ra1+ 58. Kh2 Rb1 59. Nc4+ Kd5 60. Re7 Ne6 61. Rd7+ Kc5 62. Nd2 Rb2 63. Ne4+ Kb5 64. Rxf7 Nc5 65. Nxc5 Kxc5 66. Rh7 Rf2 67. Rxh6 Rxf5 68. Rh5 Kb4 69. Kg3 1-0

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.25"]
[Round "12"]
[White "Morgan, Charles T"]
[Black "Matzner, Stephen"]
[Result "0-1"]
[ECO "A12"]
[PlyCount "94"]
[EventDate "1962.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. c4 c6 5. 0-0 e6 6. b3 Bd6 7. Bb2 Nbd7 8. d3 Qe7 9. Re1 0-0 10. Nh4 Bg4 11. Nd2 e5 12. h3 Be6 13. Nhf3 h6 14. Rc1 e4 15. Nd4 e3 16. Nf1 exf2+ 17. Kxf2 Nh5 18. Nf3 f5 19. e3 Nc5 20. Ne5 Bxe5 21. Bxe5 dxc4 22. bxc4 Rad8 23. d4 Ne4+ 24. Kg1 Qf7 25. Qe2 Nhf6 26. Bxf6 Qxf6 27. Kh2 Qf7 28. Rc2 g5 29. Rec1 h5 30. Bxe4 fxe4 31. Qg2 Qf3 32. Re1 Rd7 33. Nd2 Qxg2+ 34. Kxg2 Rdf7 35. Nb3 h4 36. g4 b6 37. d5 cxd5 38. Nd4 Rf6 39. Nxe6 Rxe6 40. cxd5 Rd6 41. Rd1 Rfd8 42. Rd4 Rxd5 43. Rxe4 Rd2+ 44. Rxd2 Rxd2+ 45. Kf3 Rxa2 46. Re7 Ra4 47. Rb7 Kf8 0-1

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.24"]
[Round "11"]
[White "Matzner, Stephen"]
[Black "Zuckerman, Bernard"]
[Result "1-0"]
[ECO "D91"]
[PlyCount "71"]
[EventDate "1962.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8. Qd2 exd5 9. Qe3+ Kf8 10. Qf4 Bf6 11. h4 h6 12. Nxd5 Bxg5 13. Qe5 f6 14. Qxc7 Qxd5 15. Qxc8+ Kg7 16. Qc7+ Nd7 17. hxg5 Rac8 18. gxf6+ Kf7 19. Qf4 Rc2 20. f3 Re8 21. Rxh6 Nxf6 22. Rc1 Rxc1+ 23. Qxc1 Qxd4 24. Qd2 Qe5 25. Kf2 Qc5+ 26. e3 Qg5 27. Bc4+ Kg7 28. Rh1 Rd8 29. Qb4 Ne4+ 30. fxe4 Rf8+ 31. Ke2 Qxg2+ 32. Kd3 Rd8+ 33. Kc3 Qxe4 34. Rh7+ Kf6 35. Rf7+ Kg5 36. Qe7+ 1-0

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.23"]
[Round "10"]
[White "Fernandez Leon, Jose"]
[Black "Matzner, Stephen"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "53"]
[EventDate "1962.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Bxf7+ Kxf7 6. Nxe4 d5 7. Neg5+ Kg8 8. d4 h6 9. Nh3 e4 10. Nfg1 Qf6 11. Be3 Bd6 12. Qd2 Bg4 13. c3 Kh7 14. Ne2 Bxh3 15. gxh3 Rhf8 16. 0-0-0 a5 17. Rdg1 a4 18. Rg4 Na5 19. Rhg1 Nb3+ 20. axb3 axb3 21. Kd1 Qf3 22. Ke1 Bxh2 23. Rxg7+ Kh8 24. R1g2 Bf4 25. Bxf4 Rxf4 26. Qxf4 Ra1+ 27. Nc1 1-0

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.22"]
[Round "9"]
[White "Matzner, Stephen"]
[Black "Smith, Kenneth Ray"]
[Result "1-0"]
[ECO "E26"]
[PlyCount "69"]
[EventDate "1962.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 0-0 9. Ne2 Nc6 10. e4 Ne8 11. Be3 d6 12. 0-0 Na5 13. Ng3 Qd7 14. a4 f5 15. exf5 exf5 16. Bf4 g6 17. Re1 Ng7 18. Ra2 Rfe8 19. dxc5 Rxe1+ 20. Qxe1 dxc5 21. Rd2 Qxa4 22. Nxf5 gxf5 23. Qg3 Re8 24. Be5 Rxe5 25. Qxe5 Qd7 26. g4 Nc6 27. Qg3 Ne7 28. h4 Kh8 29. h5 fxg4 30. h6 Bxf3 31. hxg7+ Kxg7 32. Qe5+ Kf8 33. Qf6+ Ke8 34. Qh8+ Kf7 35. Bg6+ 1-0

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.16"]
[Round "4"]
[White "Matzner, Stephen"]
[Black "Spence, Jack"]
[Result "1/2-1/2"]
[ECO "E29"]
[PlyCount "77"]
[EventDate "1962.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 0-0 7. Bd3 Nc6 8. Nf3 b6 9. e4 d6 10. Bg5 e5 11. d5 Na5 12. Nd2 h6 13. Bh4 g5 14. Bg3 Bg4 15. Be2 Qc8 16. h3 Bxe2 17. Qxe2 Kg7 18. Nf1 a6 19. f3 Nh5 20. h4 Nf4 21. Bxf4 gxf4 22. g3 f5 23. gxf4 fxe4 24. Rg1+ Kh7 25. Qxe4+ Qf5 26. fxe5 dxe5 27. Ne3 Qxe4 28. fxe4 Rf4 29. Rb1 Rxe4 30. Kd2 b5 31. cxb5 c4 32. Rb4 axb5 33. Rxb5 Nb3+ 34. Ke2 Rxa3 35. Rb7+ Kh8 36. Rb8+ Kh7 37. Rb7+ Kh8 38. Rb8+ Kh7 39. Rb7+ 1/2-1/2

[Event "US Open-62"]
[Site "San Francisco"]
[Date "1961.08.23"]
[Round "9"]
[White "Bullockus, Theodore"]
[Black "Matzner, Stephen"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "68"]
[EventDate "1961.08.14"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d3 d5 5. h3 dxe4 6. dxe4 Qxd1+ 7. Kxd1 Be6 8. Bd3 0-0-0 9. a3 Bc4 10. Ke2 Nd4+ 11. Kd1 Nxc2 12. Kxc2 Bxd3+ 13. Kb3 Nxe4 14. Nxe5 Nc5+ 15. Ka2 Bf5 16. b3 Be6 17. Nc4 Nxb3 18. Kxb3 Rd4 19. Nb5 Bxc4+ 20. Kc3 Bxb5 21. Kxd4 Be7 22. Ra2 c5+ 23. Kc3 Bf6+ 24. Kb3 Bc6 25. Rc2 Bd5+ 26. Ka4 b6 27. f3 a6 28. Rd1 Be6 29. Be3 Be7 30. g4 Kc7 31. Rcd2 Kc6 32. f4 a5 33. Rb2 f6 34. Rdb1 Rb8 0-1

[Event "US Open-62"]
[Site "San Francisco"]
[Date "1961.08.22"]
[Round "8"]
[White "Matzner, Stephen"]
[Black "Cantone, Anthony"]
[Result "1-0"]
[ECO "D36"]
[PlyCount "65"]
[EventDate "1961.08.14"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. e3 c6 6. Bd3 Nbd7 7. cxd5 exd5 8. Qc2 0-0 9. Nc3 Re8 10. 0-0-0 b5 11. Ne5 Bb7 12. Nxd7 Qxd7 13. Bxf6 Bxf6 14. Bxh7+ Kh8 15. Bf5 Qe7 16. h4 a5 17. Qe2 g6 18. Bc2 a4 19. h5 g5 20. h6 Qb4 21. Qd3 Kg8 22. Ne2 Qc4 23. Qh7+ Kf8 24. Ng3 a3 25. b3 Qc3 26. Nf5 Re6 27. Qg7+ Ke8 28. Qg8+ Kd7 29. Qxf7+ Be7 30. Nxe7 Rxe7 31. Qf5+ Re6 32. h7 Rh8 33. Rh6 1-0

[Event "US Open-62"]
[Site "San Francisco"]
[Date "1961.08.20"]
[Round "6"]
[White "Matzner, Stephen"]
[Black "Cramer, Fred"]
[Result "0-1"]
[ECO "A52"]
[PlyCount "90"]
[EventDate "1961.08.14"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe5 5. Be3 Bb4+ 6. Nc3 d6 7. Be2 Be6 8. Qb3 Nbc6 9. Nf3 0-0 10. 0-0-0 a5 11. Nxe5 Nxe5 12. f4 Ng4 13. Bxg4 Bxg4 14. Rd2 Qe7 15. h3 Bf5 16. g4 Bxc3 17. Qxc3 Bxe4 18. Re1 f5 19. Rde2 Qf7 20. Bd2 b5 21. gxf5 Bxf5 22. Re7 b4 23. Qd4 c5 24. Rxf7 cxd4 25. Rc7 Rac8 26. Ree7 Rxc7 27. Rxc7 Rc8 28. Rxc8+ Bxc8 29. a3 bxa3 30. bxa3 Bxh3 31. Bxa5 Bf1 32. Bc7 Bxc4 33. Bxd6 Kf7 34. Kd2 g6 35. Bc5 d3 36. Ke3 Kf6 37. Bf8 h5 38. Bb4 Kf5 39. Kf3 Ba6 40. Bd2 h4 41. Be1 Bb7+ 42. Ke3 Kg4 43. Bf2 Be4 44. Bg1 Kg3 45. Bf2+ Kg4 0-1

[Event "US Open-62"]
[Site "San Francisco"]
[Date "1961.08.17"]
[Round "4"]
[White "Henin, Charles"]
[Black "Matzner, Stephen"]
[Result "1-0"]
[ECO "E06"]
[PlyCount "35"]
[EventDate "1961.08.14"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 dxc4 5. g3 Nf6 6. Bg2 Be7 7. Ne5 0-0 8. 0-0 Nbd7 9. Nxc4 c5 10. Bf4 Ne8 11. dxc5 Bxc5 12. Rc1 Qe7 13. Ne4 f6 14. Nxc5 Nxc5 15. Nd6 e5 16. Nxc8 Rxc8 17. Be3 Rd8 18. Bxc5 1-0

