[Event "US Open-92"]
[Site "Los Angeles"]
[Date "1991.??.??"]
[Round "?"]
[White "Marchand, Erich Watkinson"]
[Black "Danlag, Dan"]
[Result "0-1"]
[ECO "B54"]
[PlyCount "58"]
[EventDate "1991.07.28"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 d6 6. e4 e6 7. Be2 Be7 8. 0-0 0-0 9. Be3 a6 10. f4 Qc7 11. Rc1 Bd7 12. Bf3 Rfd8 13. Nd5 exd5 14. cxd5 Rac8 15. dxc6 bxc6 16. Kh1 Qa5 17. Nb3 Qb5 18. Rf2 Qb4 19. Bd2 Qa4 20. Ba5 Re8 21. e5 dxe5 22. fxe5 Nd5 23. Bd2 Be6 24. Qc2 c5 25. Qb1 Nb4 26. Bxb4 Qxb4 27. Rc3 c4 28. Nd4 Qb6 29. Rd2 Bb4 0-1

[Event "US Open-92"]
[Site "Los Angeles"]
[Date "1991.??.??"]
[Round "?"]
[White "Marchand, Erich Watkinson"]
[Black "Gelman, Geoffrey"]
[Result "0-1"]
[ECO "A28"]
[PlyCount "72"]
[EventDate "1991.07.28"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Bb4 7. dxe5 Nxe4 8. Qf3 Nxc3 9. bxc3 Bc5 10. Qg3 Kf8 11. Be3 d6 12. Rd1 Qe7 13. Bxc5 dxc5 14. Be2 Be6 15. 0-0 g6 16. f4 Rd8 17. Rxd8+ Qxd8 18. Qe3 b6 19. g4 Qc8 20. Qf3 h5 21. h3 hxg4 22. hxg4 Qd8 23. Qg3 Qh4 24. Qxh4 Rxh4 25. f5 gxf5 26. gxf5 Bxc4 27. Bxc4 Rxc4 28. f6 Rxc3 29. Rf5 Ra3 30. Rh5 Ke8 31. Rh8+ Kd7 32. Rf8 Ke6 33. Re8+ Kf5 34. Re7 Rxa2 35. Rxc7 Kxe5 36. Rxf7 Ke6 0-1

[Event "US Open-92"]
[Site "Los Angeles"]
[Date "1991.??.??"]
[Round "?"]
[White "Marchand, Erich Watkinson"]
[Black "Katzel, Dan"]
[Result "1/2-1/2"]
[ECO "D70"]
[PlyCount "50"]
[EventDate "1991.07.28"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 d5 3. cxd5 Nxd5 4. d4 g6 5. e4 Nb6 6. Nc3 Bg7 7. Be3 0-0 8. h3 N6d7 9. Bc4 a6 10. a4 e5 11. 0-0 exd4 12. Bxd4 c5 13. Bxg7 Kxg7 14. Qd2 Ne5 15. Qe2 Nbc6 16. Nxe5 Nxe5 17. Rad1 Qa5 18. Bd5 Rb8 19. f4 Nc6 20. Bxc6 bxc6 21. f5 Qb6 22. f6+ Kh8 23. Qd2 Be6 24. Qh6 Rg8 25. Rd2 g5 1/2-1/2

[Event "US Open-91"]
[Site "Jacksonville"]
[Date "1990.??.??"]
[Round "?"]
[White "Burger, Karl"]
[Black "Marchand, Erich Watkinson"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2345"]
[BlackElo "2205"]
[PlyCount "33"]
[EventDate "1990.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 c6 2. e4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Nf3 Nxc3 7. bxc3 e6 8. d4 Be7 9. Bc4 Nc6 10. 0-0 0-0 11. Re1 b6 12. Qe2 Na5 13. Bd3 Bb7 14. Bb2 Bf6 15. Rad1 Rc8 16. Ba3 Be7 17. Bb2 1/2-1/2

[Event "World op 18th"]
[Site "Philadelphia"]
[Date "1990.??.??"]
[Round "1"]
[White "De Fotis, Gregory"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "D72"]
[WhiteElo "2380"]
[BlackElo "2205"]
[PlyCount "29"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. cxd5 Nxd5 6. e4 Nb6 7. Ne2 0-0 8. Nbc3 Nc6 9. d5 Ne5 10. 0-0 f5 11. f4 Nf7 12. e5 Rb8 13. Nd4 Qe8 14. Qb3 a6 15. Be3 1-0

[Event "US Open-91"]
[Site "Jacksonville"]
[Date "1990.??.??"]
[Round "?"]
[White "Marchand, Erich Watkinson"]
[Black "Guthi, Emanuel"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "2205"]
[PlyCount "74"]
[EventDate "1990.08.05"]
[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 Nc6 2. d5 Ne5 3. e4 Ng6 4. Nc3 e5 5. Nf3 Bc5 6. Be3 Qe7 7. Bxc5 Qxc5 8. g3 h5 9. h4 Nh6 10. Qd2 Qb4 11. 0-0-0 d6 12. Ne1 Bd7 13. f3 0-0-0 14. Nd3 Qd4 15. Qe1 f5 16. Nf4 Qxd1+ 17. Nxd1 exf4 18. gxf4 fxe4 19. Qxe4 Nf5 20. Bh3 Ngxh4 21. Bxf5 Nxf5 22. Qe1 Rde8 23. Qg1 b6 24. Nf2 Re2 25. Rh2 Ne3 26. Ne4 Rxh2 27. Qxh2 Nxd5 28. c4 Ne3 29. b3 h4 30. Qg1 Nf5 31. Qh2 Nd4 32. Qf2 c5 33. Nxd6+ Kc7 34. Ne4 h3 35. Ng3 h2 36. Nh1 Re8 37. Kd1 Bc6 0-1

[Event "US Open-91"]
[Site "Jacksonville"]
[Date "1990.??.??"]
[Round "?"]
[White "Marchand, Erich Watkinson"]
[Black "Rogers, Catherine"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "2205"]
[BlackElo "2070"]
[PlyCount "69"]
[EventDate "1990.08.05"]
[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 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 Nbd7 7. e5 Ne8 8. exd6 exd6 9. 0-0 c5 10. Be3 Nef6 11. h3 a6 12. Qd2 b6 13. Bh6 Re8 14. Bxg7 Kxg7 15. Rad1 Bb7 16. d5 Ne5 17. Nxe5 Rxe5 18. f4 Re7 19. f5 Re5 20. fxg6 hxg6 21. Rf2 Bc8 22. Rdf1 Rf5 23. Bd3 Rxf2 24. Qxf2 Qe7 25. Re1 Qd8 26. Rf1 Qe7 27. Re1 Qd8 28. Rf1 Ra7 29. Qh4 Qe7 30. Re1 Qf8 31. Rf1 Nd7 32. Ne4 Ne5 33. Qf6+ Kg8 34. Be2 Bf5 35. Ng3 1/2-1/2

[Event "New York State-ch 112th"]
[Site "Albany"]
[Date "1989.??.??"]
[Round "?"]
[White "Baczynskyj, Boris"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2340"]
[BlackElo "2275"]
[PlyCount "40"]
[EventDate "1989.09.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 d4 11. Ne2 h6 12. 0-0 a6 13. b4 0-0 14. Bb2 Kh8 15. Qd2 Qd6 16. Rad1 Be6 17. b5 Ne5 18. bxa6 bxa6 19. Bxd4 Nc4 20. Qc3 Ng4 1-0

[Event "World op 17th"]
[Site "Philadelphia"]
[Date "1989.??.??"]
[Round "5"]
[White "Diebert, Charles"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "D00"]
[BlackElo "2275"]
[PlyCount "77"]
[EventDate "1989.06.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bf5 7. Ne5 e6 8. g4 Ne4 9. Bb5+ c6 10. 0-0 Nxc3 11. bxc3 Bg6 12. Bd3 Nd7 13. Nxg6 hxg6 14. Qf3 Qf6 15. Qg2 Qh4 16. Rb1 Qxh3 17. Rxb7 Bd6 18. Qxh3 Rxh3 19. Rxf7 Kxf7 20. Rxd7+ Be7 21. Ba3 Re8 22. Kg2 Rh4 23. Kg3 g5 24. Bd6 a5 25. c4 Rh6 26. Be4 Kf8 27. Be5 Rd8 28. Bxc6 Rxd7 29. Bxd7 Bb4 30. c5 Ke7 31. Bb5 Rh8 32. Bxg7 Rb8 33. c4 Bd2 34. Kf3 Bf4 35. Ke4 Rg8 36. Be5 Rf8 37. d5 exd5+ 38. cxd5 Kd8 39. d6 1-0

[Event "New York State-ch 112th"]
[Site "Albany"]
[Date "1989.??.??"]
[Round "?"]
[White "Marchand, Erich Watkinson"]
[Black "Christiansen, Larry Mark"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2275"]
[BlackElo "2530"]
[PlyCount "97"]
[EventDate "1989.09.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 Bg7 7. Nf3 0-0 8. Be2 axb5 9. Bxb5 Ba6 10. a4 Ne4 11. Bd2 Bxb5 12. axb5 Rxa1 13. Qxa1 Nxd2 14. Nxd2 d6 15. Nc4 Nd7 16. Qa7 Qa8 17. Qxa8 Rxa8 18. Kd2 Rb8 19. Ra1 Ne5 20. Nxe5 Bxe5 21. Ra5 g5 22. h3 Kg7 23. g3 Kg6 24. Kd3 e6 25. dxe6 fxe6 26. f4 gxf4 27. gxf4 Bf6 28. e4 Kh5 29. Ra6 Rd8 30. Ke2 Bd4 31. Ra7 h6 32. Re7 e5 33. f5 c4 34. f6 Rg8 35. Rg7 Rf8 36. f7 Kh4 37. Na4 Kxh3 38. b6 h5 39. b7 Ba7 40. Nc3 h4 41. Nd5 Kh2 42. Ne3 h3 43. Nf1+ Kh1 44. Kf3 h2 45. Rh7 d5 46. Nxh2 dxe4+ 47. Kxe4 Kg2 48. Nf3 Bc5 49. Nxe5 1-0

[Event "US Open-90"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "5"]
[White "Marchand, Erich Watkinson"]
[Black "Shipman, Walter"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2275"]
[BlackElo "2330"]
[PlyCount "100"]
[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. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. b3 0-0 6. Bb2 Nbd7 7. d3 c6 8. 0-0 Bd6 9. Nbd2 e5 10. cxd5 cxd5 11. Qc2 Re8 12. a3 Nf8 13. e4 Bg4 14. Rac1 Rc8 15. Qb1 d4 16. Rxc8 Qxc8 17. Rc1 Qd7 18. Nc4 b5 19. Nxd6 Qxd6 20. Nd2 Rc8 21. Rxc8 Bxc8 22. Qc2 Be6 23. h3 N6d7 24. f4 f6 25. f5 Bf7 26. Kh2 Qc5 27. Qb1 b4 28. a4 Nb8 29. Bf3 Nc6 30. Bd1 Na5 31. Bc2 Nd7 32. Qd1 Qc8 33. Kg2 Nc5 34. Kh2 Qa6 35. Nc4 Bxc4 36. dxc4 Qd6 37. Bc1 Nab7 38. Qe1 a5 39. Kg2 d3 40. Bd1 Qd4 41. Be3 Qxe4+ 42. Bf3 Qxf5 43. g4 Qd7 44. Bd5+ Kh8 45. g5 f5 46. g6 Qe7 47. gxh7 Nxb3 48. Bf4 d2 49. Bxd2 Nxd2 50. Qxd2 Nc5 0-1

[Event "US Open-90"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "8"]
[White "Readey, John"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2285"]
[BlackElo "2275"]
[PlyCount "79"]
[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. Nf3 d5 2. g3 Nc6 3. d4 Bf5 4. Bg2 e6 5. 0-0 Nf6 6. c3 Be7 7. b4 a6 8. Nbd2 0-0 9. Nb3 Ne4 10. Bb2 Nd6 11. Nfd2 a5 12. a3 Ra7 13. f3 e5 14. dxe5 Nxe5 15. Nxa5 b6 16. f4 Nec4 17. Nc6 Ne3 18. Nxd8 Nxd1 19. Nc6 Nxb2 20. Nxe7+ Kh8 21. Bxd5 Bh3 22. Rfc1 c5 23. Nc6 Ra6 24. Rc2 Na4 25. e4 b5 26. Nb3 Be6 27. bxc5 Nxe4 28. Bxe6 fxe6 29. Nb4 Raa8 30. c4 bxc4 31. Rxc4 Nec3 32. c6 Rfc8 33. Re1 Nd5 34. Rxe6 Nab6 35. Rce4 Nf6 36. Rd4 Rxa3 37. c7 Nbd7 38. Nc5 Nf8 39. Rd8 Raa8 40. Red6 1-0

[Event "New York State-ch 112th"]
[Site "Albany"]
[Date "1989.??.??"]
[Round "?"]
[White "Weeramantry, Sunil"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2265"]
[BlackElo "2275"]
[PlyCount "61"]
[EventDate "1989.09.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 g6 5. Bb5 Bd7 6. 0-0 Bg7 7. Bxc6 Bxc6 8. d3 b5 9. Qe1 b4 10. Nd1 h6 11. Kh1 a5 12. a3 Rb8 13. Ne3 a4 14. Nc4 Bb5 15. axb4 Bxc4 16. dxc4 Rxb4 17. c3 Rb8 18. Rxa4 e6 19. f5 e5 20. fxg6 fxg6 21. Nh4 Qd7 22. Ra6 Qe6 23. Qd1 Qxc4 24. Ra7 Ne7 25. Nxg6 Nxg6 26. Rxg7 Nf4 27. Bxf4 exf4 28. Qh5+ Kf8 29. Rxf4+ Kxg7 30. Qg4+ Kh7 31. Qf5+ 1-0

[Event "US Open-89"]
[Site "Boston"]
[Date "1988.??.??"]
[Round "?"]
[White "Dlugy, Maxim"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2550"]
[BlackElo "2320"]
[PlyCount "67"]
[EventDate "1988.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[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. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. Bd3 dxc4 8. Bxc4 e5 9. 0-0 0-0 10. h3 Qe7 11. Bb3 h6 12. Nh4 Rd8 13. Nf5 Qf8 14. Nxd6 Qxd6 15. Ne2 Nf8 16. Bd2 e4 17. Ng3 Re8 18. f4 Be6 19. Bxe6 Qxe6 20. f5 Qd5 21. Rf4 N8d7 22. Ne2 Qd6 23. Nc3 Qe7 24. Be1 g5 25. fxg6 fxg6 26. Qb3+ Qe6 27. Qxb7 Reb8 28. Qa6 Rxb2 29. Qa3 Rb7 30. Bg3 g5 31. Rf2 Rf8 32. Raf1 Rf7 33. Qd6 Qc4 34. Nxe4 1-0

[Event "New York International-A"]
[Site "New York"]
[Date "1988.??.??"]
[Round "?"]
[White "Marchand, Erich Watkinson"]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "D13"]
[BlackElo "2245"]
[PlyCount "70"]
[EventDate "1988.03.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 008"]
[Source "ChessBase"]
[SourceDate "1989.02.01"]
[SourceVersion "1"]
[SourceVersionDate "1989.02.01"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. cxd5 cxd5 4. d4 Nf6 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Bd3 Bxd3 9. Qxd3 Be7 10. 0-0 0-0 11. h3 a6 12. a3 Na5 13. b4 Nc4 14. Rfb1 b5 15. a4 Qb6 16. a5 Qb7 17. Nd2 Rac8 18. Nf3 Ne4 19. Ne2 Rfd8 20. Ra2 Rc6 21. Ne1 Rdc8 22. f3 Nf6 23. Bg3 Nh5 24. Bf2 Bd6 25. f4 Nf6 26. Ng3 Qe7 27. Qb3 Ne4 28. Nxe4 dxe4 29. Re2 Qc7 30. g4 Be7 31. Ng2 Bf6 32. Rd1 Qd7 33. Kh2 Qd5 34. Qa2 Nd6 35. Qb1 Be7 0-1

[Event "National op"]
[Site "Chicago"]
[Date "1988.??.??"]
[Round "?"]
[White "Shamkovich, Leonid Alexandrovic"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2435"]
[BlackElo "2320"]
[PlyCount "49"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Bb4 7. 0-0 0-0 8. Qc2 dxc4 9. Bxc4 Bd6 10. Ne4 Nxe4 11. Qxe4 Qe7 12. Bd2 e5 13. dxe5 Nxe5 14. Bc3 Nxf3+ 15. gxf3 Qg5+ 16. Kh1 Bf5 17. Qd4 Qh6 18. f4 c5 19. Qd5 Qg6 20. f3 Be6 21. Qd2 Bxc4 22. Rg1 Rad8 23. Rxg6 hxg6 24. b3 Bc7 25. Qb2 1-0

[Event "US Open-88"]
[Site "Portland"]
[Date "1987.08.11"]
[Round "9"]
[White "Phipps, Michael"]
[Black "Marchand, Erich Watkinson"]
[Result "1/2-1/2"]
[ECO "C02"]
[BlackElo "2205"]
[PlyCount "50"]
[EventDate "1987.08.02"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. c3 d5 4. e5 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. 0-0 cxd4 8. cxd4 Nxd4 9. Nxd4 Qxd4 10. Nc3 Be7 11. Qe2 f5 12. exf6 Nxf6 13. Nb5 Bxb5 14. Bxb5+ Kf7 15. Be3 Qg4 16. f3 Qb4 17. a3 Qd6 18. f4 Rhc8 19. Bd4 Kg8 20. Bd3 Ne4 21. Rad1 Bf6 22. Bxe4 Bxd4+ 23. Rxd4 Qb6 24. Qf2 dxe4 25. Rxe4 Qxf2+ 1/2-1/2

[Event "US Open-88"]
[Site "Portland"]
[Date "1987.08.02"]
[Round "1"]
[White "Hwang, Richard"]
[Black "Marchand, Erich Watkinson"]
[Result "1/2-1/2"]
[ECO "D90"]
[BlackElo "2205"]
[PlyCount "48"]
[EventDate "1987.08.02"]
[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 d5 2. Nf3 Nf6 3. e3 g6 4. c4 Bg7 5. cxd5 Nxd5 6. e4 Nb6 7. Be2 0-0 8. Nc3 Bg4 9. Be3 Nc6 10. e5 Nb4 11. h3 Bxf3 12. gxf3 N4d5 13. Qd2 Nxe3 14. fxe3 c6 15. h4 h5 16. f4 f5 17. 0-0-0 e6 18. Rdg1 Kh7 19. Rg3 Bh6 20. Rhg1 Qxh4 21. Bxh5 gxh5 22. Qg2 Qe7 23. Qf3 Rf6 24. exf6 Qxf6 1/2-1/2

[Event "US Open-87"]
[Site "Somerset"]
[Date "1986.??.??"]
[Round "3"]
[White "Marchand, Erich Watkinson"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "A21"]
[BlackElo "2430"]
[PlyCount "61"]
[EventDate "1986.08.03"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bb4 3. Qc2 Nf6 4. a3 Bxc3 5. Qxc3 Nc6 6. d3 d5 7. Bg5 dxc4 8. dxc4 0-0 9. Rd1 Qe7 10. e3 Ne4 11. Bxe7 Nxc3 12. Bxf8 Nxd1 13. Kxd1 Kxf8 14. Bd3 Be6 15. b4 Rd8 16. Kc2 f5 17. f3 e4 18. Be2 Ne5 19. Kc3 exf3 20. Nxf3 Nxf3 21. gxf3 Ke7 22. Rd1 Rxd1 23. Bxd1 g5 24. Kd4 Kf6 25. Bc2 h5 26. e4 g4 27. exf5 Bxf5 28. Bd1 Kg5 29. Ke5 h4 30. fxg4 Bxg4 31. Bc2 1/2-1/2

[Event "US Open-87"]
[Site "Somerset"]
[Date "1986.??.??"]
[Round "5"]
[White "Marchand, Erich Watkinson"]
[Black "Valvo, Michael Joseph"]
[Result "0-1"]
[ECO "A33"]
[BlackElo "2415"]
[PlyCount "40"]
[EventDate "1986.08.03"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Bxf6 gxf6 10. Na3 Be6 11. Rc1 Qa5 12. Qa4 Qxa4 13. Nxa4 d5 14. c5 Rg8 15. Nc2 d4 16. b3 Rd8 17. Nb2 Bxc5 18. e3 dxe3 19. fxe3 Nb4 20. Nd4 Bxd4 0-1

[Event "New York op"]
[Site "New York"]
[Date "1985.??.??"]
[Round "9"]
[White "Liebowitz, Errol E"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "D10"]
[PlyCount "43"]
[EventDate "1985.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[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. Nc3 e5 4. e3 dxc4 5. Bxc4 exd4 6. exd4 Nf6 7. Qb3 Qe7+ 8. Nge2 b5 9. Bd3 Be6 10. Qc2 Qd7 11. Bg5 Be7 12. 0-0 Na6 13. Bxf6 Nb4 14. Qd2 gxf6 15. Be4 f5 16. Bf3 Nd5 17. Nxd5 Bxd5 18. Bxd5 Qxd5 19. Rac1 0-0 20. Qh6 f6 21. Rc3 Kf7 22. Qh5+ 1-0

[Event "New York op"]
[Site "New York"]
[Date "1985.??.??"]
[Round "5"]
[White "Marchand, Erich Watkinson"]
[Black "Acosta, Mariano"]
[Result "1-0"]
[ECO "B37"]
[PlyCount "59"]
[EventDate "1985.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nc2 Nf6 7. e4 0-0 8. Be2 d6 9. 0-0 Nd7 10. Be3 h6 11. Qd2 Kh7 12. Rad1 b6 13. f4 Bb7 14. e5 Nc5 15. exd6 Bxc3 16. Qxc3 Ne4 17. Qe1 Nxd6 18. f5 g5 19. h4 Qe8 20. f6 Ne5 21. fxe7 Qxe7 22. c5 Ne8 23. cxb6 axb6 24. Bxb6 Qe6 25. Bc5 Rg8 26. a3 Be4 27. Nd4 Qg6 28. Bh5 Qg7 29. Qxe4+ f5 30. Nxf5 1-0

[Event "New York op"]
[Site "New York"]
[Date "1985.??.??"]
[Round "1"]
[White "Soltis, Andrew E"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2450"]
[PlyCount "55"]
[EventDate "1985.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 Nd4 4. Nxd4 cxd4 5. Nb5 e5 6. c3 a6 7. Na3 Bc5 8. b4 Ba7 9. c4 Nf6 10. d3 d6 11. Bd2 Bd7 12. Be2 b5 13. 0-0 h6 14. Qe1 0-0 15. Bd1 Bc6 16. Bb3 Rc8 17. Rc1 Qe7 18. Qe2 Kh7 19. Rc2 bxc4 20. Nxc4 d5 21. exd5 Bxd5 22. Qxe5 Qxe5 23. Nxe5 Rxc2 24. Bxc2 Re8 25. Nc4 Ne4 26. Re1 Bxc4 27. dxc4 d3 28. Rxe4 1-0

[Event "US Open-84"]
[Site "Pasadena"]
[Date "1983.08.12"]
[Round "6"]
[White "Abbott, William"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "B28"]
[BlackElo "2260"]
[PlyCount "51"]
[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. e4 c5 2. Nf3 a6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 e5 7. Nf5 d5 8. cxd5 Bxf5 9. exf5 Nd4 10. Bd3 Nxd5 11. Be4 Nxc3 12. bxc3 Nc6 13. Qg4 Qa5 14. 0-0 h5 15. Qf3 Rc8 16. Rb1 Nd8 17. Rd1 Rxc3 18. Bd2 Bb4 19. Bxc3 Bxc3 20. Rd5 b5 21. h3 Bd4 22. Rc1 h4 23. Rc8 0-0 24. Kh2 Qb6 25. Qh5 Bxf2 26. f6 1-0

[Event "US Open-84"]
[Site "Pasadena"]
[Date "1983.08.10"]
[Round "4"]
[White "Shirazi, Kamran"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "D17"]
[BlackElo "2260"]
[PlyCount "65"]
[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 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. Nh4 Bc8 7. g3 e6 8. Bg2 Bb4 9. 0-0 0-0 10. e4 e5 11. dxe5 Qxd1 12. Nxd1 Ng4 13. Nf3 Nd7 14. Bf4 Re8 15. Ne3 Ngxe5 16. Rfd1 Nxf3+ 17. Bxf3 c3 18. bxc3 Bxc3 19. Rac1 Be5 20. Nc4 Bxf4 21. gxf4 Nf6 22. Nd6 Rf8 23. Rb1 Rb8 24. e5 Nd5 25. Bxd5 cxd5 26. Rxd5 Bd7 27. Rd4 Bc6 28. a5 b5 29. f5 Rfd8 30. e6 fxe6 31. fxe6 Rf8 32. Rc1 Be8 33. Rc7 1-0

[Event "Canadian op"]
[Site "Toronto"]
[Date "1983.07.17"]
[Round "10"]
[White "Marchand, Erich Watkinson"]
[Black "Jakouljevski, Vladimir"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "2178"]
[BlackElo "2300"]
[PlyCount "50"]
[EventDate "1983.07.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. d4 c5 4. cxd5 cxd4 5. Qa4+ Bd7 6. Qxd4 exd5 7. Nxd5 Nc6 8. Qd1 Nf6 9. Nxf6+ Qxf6 10. a3 Bc5 11. e3 Rd8 12. Qc2 Bb6 13. Bd2 Bf5 14. Qc1 Rxd2 15. Kxd2 0-0 16. Bc4 Be4 17. Nf3 Bxf3 18. gxf3 Qxf3 19. Qf1 Ne5 20. b3 Rd8+ 21. Kc2 Qe4+ 22. Kc3 Ba5+ 23. b4 Rc8 24. Rc1 Nxc4 25. bxa5 Nxe3+ 0-1

[Event "Canadian op"]
[Site "Toronto"]
[Date "1983.07.16"]
[Round "9"]
[White "Mayer, Steven F"]
[Black "Marchand, Erich Watkinson"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "2148"]
[BlackElo "2178"]
[PlyCount "70"]
[EventDate "1983.07.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 Nc6 4. Bg2 g6 5. e3 Bg7 6. Nge2 0-0 7. 0-0 d6 8. a3 Ne5 9. d3 Rb8 10. Rb1 Bf5 11. e4 Bd7 12. b4 Nc6 13. h3 Ne8 14. Be3 Nd4 15. f4 b6 16. b5 Nc7 17. a4 e6 18. g4 f5 19. Ng3 Qe7 20. gxf5 exf5 21. Qd2 Rbe8 22. Rbe1 Qh4 23. Kh2 Kh8 24. Bf2 fxe4 25. Ngxe4 Nf3+ 26. Bxf3 Qxh3+ 27. Kg1 Qxf3 28. Qe2 Qxf4 29. Bxc5 dxc5 30. Rxf4 Rxf4 31. Nd5 Nxd5 32. cxd5 Bd4+ 33. Kg2 Rg4+ 34. Kf3 Rf8+ 35. Nf6 Rxf6# 0-1

[Event "Canadian op"]
[Site "Toronto"]
[Date "1983.07.10"]
[Round "2"]
[White "Spraggett, Kevin"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2584"]
[BlackElo "2178"]
[PlyCount "43"]
[EventDate "1983.07.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. d4 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 a6 8. a4 c5 9. 0-0 Be7 10. Qe2 Nb6 11. dxc5 Bxc5 12. Bd3 Nbd5 13. e4 Nxc3 14. bxc3 0-0 15. e5 Nd5 16. Bxh7+ Kxh7 17. Ng5+ Kg6 18. h4 Qe7 19. h5+ Kh6 20. Nxe6+ Kh7 21. Qd3+ Kg8 22. Ng5 1-0

[Event "US Open-82"]
[Site "Palo Alto"]
[Date "1981.??.??"]
[Round "2"]
[White "Ford, Pamela"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "A30"]
[PlyCount "61"]
[EventDate "1981.08.02"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 c5 3. g3 b6 4. Bg2 Bb7 5. 0-0 Nf6 6. d3 Be7 7. b3 0-0 8. Bb2 d6 9. Na3 e5 10. Nc2 a5 11. a3 Nc6 12. Nd2 Qc7 13. Ne4 Nd4 14. Ne3 Nxe4 15. Bxe4 Bxe4 16. dxe4 Qb7 17. Bxd4 exd4 18. Nd5 f5 19. Qd3 fxe4 20. Qxe4 Ra7 21. Rad1 Kh8 22. Rd3 Qc6 23. Rf3 Rxf3 24. exf3 Bf8 25. Re1 Rb7 26. Qf5 Kg8 27. Re4 Qd7 28. Qg5 Kh8 29. Nf4 Be7 30. Ng6+ hxg6 31. Rh4+ 1-0

[Event "USA"]
[Site "USA"]
[Date "1977.??.??"]
[Round "?"]
[White "Shamkovich, Leonid Alexandrovic"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "2485"]
[PlyCount "49"]
[EventDate "1977.??.??"]
[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 c5 2. Nf3 a6 3. Nc3 b5 4. d4 cxd4 5. Nxd4 Bb7 6. Bg5 Qa5 7. Nb3 Qb6 8. Be2 e6 9. 0-0 b4 10. Na4 Qc6 11. Na5 Qxa4 12. Nxb7 Qc6 13. Nd8 Qc7 14. Bh5 g6 15. Qf3 d6 16. Bg4 h6 17. Bh4 Bg7 18. e5 d5 19. Bxe6 fxe6 20. Nxe6 Qb7 21. Nxg7+ Qxg7 22. Qxd5 Qa7 23. Rad1 g5 24. e6 Kf8 25. Qf3+ 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1976.??.??"]
[Round "5"]
[White "Marchand, Erich Watkinson"]
[Black "Alston, Thomas"]
[Result "1-0"]
[ECO "E90"]
[PlyCount "63"]
[EventDate "1976.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 0-0 5. d4 d6 6. Be3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nd5 Nxd5 10. cxd5 c6 11. Bc4 b5 12. Bb3 Bb7 13. dxc6 Bxc6 14. Ng5 Rd7 15. Rd1 Rxd1+ 16. Kxd1 Be8 17. Bd5 Nc6 18. Nxf7 Bxf7 19. Bxc6 Rd8+ 20. Ke2 a6 21. b3 Rc8 22. Rc1 Bf8 23. Bb7 Rxc1 24. Bxc1 a5 25. Bc6 a4 26. bxa4 bxa4 27. Bd5 Bc5 28. Bb2 Bd6 29. Kd3 Kf8 30. Bxf7 Kxf7 31. Kc4 Ke6 32. Bc3 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1976.??.??"]
[Round "7"]
[White "Marchand, Erich Watkinson"]
[Black "Barry, Devin"]
[Result "1-0"]
[ECO "B38"]
[PlyCount "105"]
[EventDate "1976.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c5 3. Nc3 g6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bg7 7. Be2 0-0 8. 0-0 Nc6 9. Be3 Bd7 10. Nc2 Rc8 11. Rc1 Qc7 12. f3 Rfd8 13. Qd2 Ne5 14. b3 Qa5 15. Nd4 Bc6 16. Bh6 e6 17. Rfd1 d5 18. cxd5 Bxh6 19. Qxh6 exd5 20. Qg5 Ned7 21. e5 h6 22. Qxh6 Nxe5 23. Qg5 Ned7 24. f4 Nh7 25. Qg3 Ndf6 26. f5 g5 27. h4 Qc7 28. Qxc7 Rxc7 29. hxg5 Nxg5 30. Ncb5 Re7 31. Nxa7 Bd7 32. Bb5 Bxb5 33. Naxb5 Rdd7 34. a4 Nge4 35. Rc8+ Kg7 36. Rd3 Ng4 37. f6+ Nexf6 38. Nf5+ Kg6 39. Nxe7+ Rxe7 40. Rc1 Re2 41. Nc3 Rb2 42. Rb1 Rc2 43. Nxd5 Nxd5 44. Rxd5 Ne3 45. Rb5 Nxg2 46. Rf1 Ne3 47. Rb6+ Kg5 48. Rxf7 Rc1+ 49. Kh2 Nf1+ 50. Kh3 Rc3+ 51. Kg2 Ne3+ 52. Kf2 Ng4+ 53. Ke2 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1976.??.??"]
[Round "3"]
[White "Marchand, Erich Watkinson"]
[Black "Bisguier, Arthur Bernard"]
[Result "0-1"]
[ECO "A28"]
[BlackElo "2440"]
[PlyCount "100"]
[EventDate "1976.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. Be3 Ng4 7. Bg5 f6 8. Bh4 h5 9. h3 Nh6 10. d4 g5 11. Bg3 h4 12. Bh2 Qe7 13. d5 Bxc3+ 14. bxc3 Nb8 15. Nd2 Na6 16. Nb3 g4 17. hxg4 Nxg4 18. Bg1 f5 19. f3 Nf6 20. exf5 Bxf5 21. g4 Bg6 22. Bf2 Nd7 23. Qd2 0-0-0 24. Be3 Qf7 25. Rh3 Nac5 26. 0-0-0 Bh7 27. Nxc5 Nxc5 28. Bxc5 dxc5 29. Qe3 Qf6 30. Rd2 b6 31. Kb2 Rdf8 32. Bd3 Bxd3 33. Rxd3 Kd7 34. Kb3 Qf4 35. Qe1 b5 36. Qe4 a6 37. Re3 Kd6 38. Re2 Qg5 39. cxb5 axb5 40. Kb2 Rf4 41. Qd3 Rb8 42. Qe3 b4 43. c4 Qf6 44. Rxh4 e4+ 45. Kb1 exf3 46. Rh6 fxe2 47. Qxf4+ Kd7 48. Rh7+ Ke8 49. Qe4+ Kf8 50. Qxe2 Re8 0-1

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1976.??.??"]
[Round "8"]
[White "Weinstein, Norman"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2430"]
[PlyCount "67"]
[EventDate "1976.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3 e6 9. Nf3 Be7 10. d5 exd5 11. cxd5 Nb4 12. Nd4 Bg6 13. Bb5+ c6 14. dxc6 bxc6 15. Nxc6 Qxd1+ 16. Rxd1 Nc2+ 17. Kd2 Nxe3 18. Nxe7+ Kxe7 19. Kxe3 a6 20. Rd6 axb5 21. Rxb6 Rhb8 22. Nd5+ Kf8 23. Rxb8+ Rxb8 24. Rc1 Bf5 25. Rc7 Be6 26. Nb4 Bc4 27. a4 Bf1 28. Kf2 Bc4 29. a5 Ke8 30. a6 Kd8 31. Rxc4 bxc4 32. Nc6+ Kc7 33. Nxb8 Kxb8 34. Ke3 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1973.03.16"]
[Round "8"]
[White "Sebeckis, A."]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "D46"]
[PlyCount "87"]
[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 d5 2. c4 e6 3. Nf3 c6 4. e3 Nf6 5. Nc3 Nbd7 6. Bd3 Bb4 7. 0-0 0-0 8. a3 Bd6 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Nf6 12. Bc2 h6 13. b3 b5 14. Bb2 Rb8 15. Ra2 bxc4 16. bxc4 Ba6 17. Qd3 g6 18. Bc1 Kg7 19. Ne5 Qe8 20. h4 Rh8 21. Ba4 Rc8 22. Re1 Rc7 23. Qc3 Qc8 24. Bb2 Be7 25. Raa1 Rf8 26. Rac1 Kh7 27. Bc2 Rb7 28. Ba1 Qe8 29. Qa5 Bxc4 30. Nxc4 Nd5 31. h5 Nf4 32. hxg6+ fxg6 33. Ne5 Bd6 34. g3 Bxe5 35. Qxe5 Nh3+ 36. Kg2 Nxf2 37. Qxe6 Qf7 38. Qxf7+ Rbxf7 39. Re6 Nd3 40. Bxd3 Rf2+ 41. Kg1 R2f3 42. Bxg6+ Kg8 43. Kg2 Rxa3 44. Re8 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1973.03.15"]
[Round "5"]
[White "Marchand, Erich Watkinson"]
[Black "Tarjan, James Edward"]
[Result "0-1"]
[ECO "E62"]
[PlyCount "102"]
[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. Nf3 g6 2. d4 Nf6 3. g3 Bg7 4. c4 0-0 5. Bg2 d6 6. Nc3 c6 7. 0-0 Qa5 8. Bd2 Qh5 9. h4 Ng4 10. Bg5 Re8 11. d5 h6 12. Bf4 Na6 13. dxc6 bxc6 14. Nd4 e5 15. Bxc6 exd4 16. Bxa8 dxc3 17. bxc3 g5 18. Bxd6 gxh4 19. Qd5 Be5 20. Bxe5 Nxe5 21. Qh1 Bg4 22. f3 Be6 23. Bd5 Nxc4 24. Bxe6 Qc5+ 25. Kh2 hxg3+ 26. Kxg3 Rxe6 27. Qh4 Kh7 28. e4 Nd2 29. Rf2 Qxc3 30. Qf4 Nxe4+ 31. Kh2 Ng5 32. Rc1 Qf6 33. Qxf6 Rxf6 34. Kg2 Nb4 35. Rc7 Nd3 36. Rf1 a6 37. Kg3 Kg6 38. Rb7 h5 39. Re7 Nf4 40. Rb7 Kh6 41. Rfb1 Nd5 42. R1b3 Rf4 43. R7b6+ f6 44. Rxa6 h4+ 45. Kg2 Rd4 46. Kf2 h3 47. Kg3 Rd2 48. f4 Rg2+ 49. Kh4 Nxf4 50. Rxf6+ Ng6+ 51. Rxg6+ Kxg6 0-1

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1973.03.13"]
[Round "3"]
[White "Marchand, Erich Watkinson"]
[Black "Shipman, Walter"]
[Result "1/2-1/2"]
[ECO "D13"]
[PlyCount "107"]
[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. c4 Nf6 2. Nf3 c6 3. Nc3 d5 4. cxd5 cxd5 5. d4 Nc6 6. Bf4 e6 7. e3 Be7 8. Bd3 0-0 9. h3 b6 10. Rc1 Bb7 11. 0-0 a6 12. a3 Rc8 13. Qe2 b5 14. a4 b4 15. Nb1 Qb6 16. Ne5 Nxe5 17. Bxe5 Qa5 18. b3 Qb6 19. Qb2 a5 20. Rxc8 Rxc8 21. Rc1 Qd8 22. Nd2 Ne8 23. Nf3 f6 24. Bg3 Nd6 25. Nd2 g6 26. Rc2 Kf7 27. Qc1 Rxc2 28. Qxc2 Qc8 29. Qxc8 Bxc8 30. Kf1 Bb7 31. f3 Ke8 32. Ke2 Kd7 33. Bh2 Bd8 34. e4 Bb6 35. e5 fxe5 36. Bxe5 Nf5 37. Bb5+ Bc6 38. Bxc6+ Kxc6 39. Kd3 Bc7 40. g4 Ne7 41. f4 Kd7 42. Nf3 Bd8 43. Ng5 h5 44. gxh5 gxh5 45. Nh7 Nf5 46. Nf8+ Ke7 47. Nh7 Kd7 48. Bf6 Be7 49. Be5 Nh4 50. Nf6+ Bxf6 51. Bxf6 Nf5 52. Be5 Kc8 53. Ke2 Ng3+ 54. Kf2 1/2-1/2

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1971.03.19"]
[Round "7"]
[White "Ervin, Roy C"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "133"]
[EventDate "1971.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 d5 4. Bg2 d4 5. Nce2 e5 6. d3 Nc6 7. f4 Bd6 8. Nf3 Nf6 9. 0-0 Bg4 10. c3 Qb6 11. cxd4 cxd4 12. a3 a5 13. Kh1 0-0 14. fxe5 Bxe5 15. Nxe5 Nxe5 16. Bf4 Qxb2 17. Bxe5 Bxe2 18. Rf2 Qb5 19. Qxe2 Qxe5 20. Rf5 Qe7 21. Qb2 Rfd8 22. Rb5 Ra7 23. Rb1 g6 24. Bf3 h5 25. Rxb7 Rxb7 26. Qxb7 Qxa3 27. e5 Ng4 28. Bxg4 hxg4 29. e6 fxe6 30. Qe4 Qe7 31. Qxg6+ Qg7 32. Qxe6+ Qf7 33. Qxg4+ Qg7 34. Qxg7+ Kxg7 35. Kg2 Ra8 36. Kf3 Re8 37. Kf4 Re3 38. Rb3 Re2 39. h4 Rf2+ 40. Kg5 Rf6 41. g4 a4 42. Ra3 Ra6 43. Kf5 Kh6 44. Ke5 Kg7 45. Kxd4 Rg6 46. g5 Ra6 47. Ke5 Ra5+ 48. Kf4 Kg6 49. Kg4 Ra8 50. h5+ Kf7 51. d4 Ke6 52. h6 Kf7 53. Kh5 Ra5 54. d5 Rxd5 55. Rxa4 Kg8 56. Ra8+ Kh7 57. Ra7+ Kg8 58. Re7 Ra5 59. Kg4 Rb5 60. g6 Rb8 61. Kf5 Rb5+ 62. Ke6 Rb8 63. Kd7 Rb7+ 64. Kd8 Rb8+ 65. Kc7 Ra8 66. Kb7 Rd8 67. Rc7 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1971.03.18"]
[Round "6"]
[White "Anderson, Robert L"]
[Black "Marchand, Erich Watkinson"]
[Result "1/2-1/2"]
[ECO "B43"]
[PlyCount "97"]
[EventDate "1971.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 b5 7. Bg2 Bb7 8. 0-0 Nc6 9. Nxc6 Qxc6 10. Qe2 Rc8 11. a3 Qc4 12. Qxc4 Rxc4 13. Be3 Bc5 14. Bxc5 Rxc5 15. Rfd1 h5 16. Rd2 Ne7 17. Rad1 Rc7 18. e5 Bxg2 19. Kxg2 Nc6 20. Re2 Ke7 21. f4 Na5 22. Ne4 Nc4 23. c3 Rc6 24. h3 f6 25. exf6+ gxf6 26. Kf3 d5 27. Nf2 Rd8 28. g4 h4 29. Nd3 a5 30. f5 Kf7 31. fxe6+ Rxe6 32. Rxe6 Kxe6 33. Nf4+ Kf7 34. Rxd5 Rb8 35. Rd7+ Kg8 36. Ng6 b4 37. Rc7 bxa3 38. bxa3 Nxa3 39. Ne7+ Kf8 40. Ng6+ Kg8 41. Ne7+ Kf8 42. Nd5 Rb3 43. Nxf6 Nb5 44. Rd7 Rxc3+ 45. Kf4 Rc7 46. Nh7+ Kg8 47. Nf6+ Kf8 48. Nh7+ Kg8 49. Nf6+ 1/2-1/2

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1971.03.18"]
[Round "5"]
[White "Marchand, Erich Watkinson"]
[Black "Barnes, Craig N"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2208"]
[BlackElo "2042"]
[PlyCount "108"]
[EventDate "1971.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 0-0 7. Qd2 Qa5 8. f3 Nbd7 9. Nh3 Rb8 10. Nb5 Qxd2+ 11. Bxd2 a6 12. Na7 Ne5 13. Nxc8 Rfxc8 14. Nf2 b5 15. a4 Nc4 16. axb5 axb5 17. Bxc4 bxc4 18. Bc3 Rc7 19. Nd1 Nd7 20. Bxg7 Kxg7 21. Kd2 g5 22. h4 g4 23. fxg4 Nf6 24. Nf2 Rxb2 25. g5 Nd7 26. Ng4 Rcb7 27. Ra4 R2b4 28. Rha1 Nb6 29. Ra7 c3+ 30. Ke3 Nxd5+ 31. Kf3 Nc7 32. Rxb7 Rxb7 33. Ra3 Nb5 34. Ra8 Nd4+ 35. Ke3 f6 36. Nh6 fxg5 37. hxg5 Kg6 38. Rg8+ Kh5 39. Kd3 Rb2 40. g4+ Kh4 41. Rg7 Rxc2 42. Nf5+ Nxf5 43. Rxh7+ Kxg4 44. Kxc2 Nd4+ 45. Kxc3 Kxg5 46. Rxe7 Kf4 47. Kc4 Nc6 48. Re8 Nb4 49. Kb5 Ke3 50. Kb6 Kd4 51. Kc7 d5 52. e5 Nd3 53. Kd6 c4 54. Rh8 Nf4 1/2-1/2

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1971.03.17"]
[Round "4"]
[White "Marchand, Erich Watkinson"]
[Black "Evans, Larry Melvyn"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "138"]
[EventDate "1971.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Nd2 Bg7 4. e4 d6 5. c3 h6 6. Bh4 e5 7. dxe5 dxe5 8. Bc4 0-0 9. Ngf3 Nbd7 10. 0-0 c6 11. a4 Qc7 12. Qc2 Nc5 13. Ne1 Be6 14. f3 Rfd8 15. Bxe6 Nxe6 16. Bf2 Rd7 17. a5 Rad8 18. Nc4 Qb8 19. Be3 Bf8 20. b4 c5 21. b5 Ne8 22. g3 Bg7 23. Rb1 Nd6 24. Nxd6 Qxd6 25. Rf2 h5 26. h4 Qf8 27. Rd2 Bh6 28. Bxh6 Qxh6 29. Rxd7 Rxd7 30. Qc1 Qd2 31. Ng2 Qxc1+ 32. Rxc1 Rd2 33. Ne3 Rb2 34. b6 axb6 35. Nc4 Rb3 36. axb6 f6 37. Ne3 Nf8 38. Nd5 Nd7 39. Ra1 Nxb6 40. Nxb6 Rxb6 41. Ra8+ Kf7 42. Rc8 Rb5 43. c4 Rb1+ 44. Kf2 b6 45. Rc7+ Ke6 46. Rg7 Rb4 47. Rb7 Rb2+ 48. Ke3 Rb3+ 49. Kf2 f5 50. exf5+ Kxf5 51. Rb8 Rb2+ 52. Kf1 Rb4 53. Kf2 Rxc4 54. Rxb6 e4 55. g4+ hxg4 56. fxg4+ Kxg4 57. Rxg6+ Kf4 58. h5 Rc2+ 59. Ke1 Rh2 60. h6 Kf3 61. Rf6+ Ke3 62. Kd1 Rh1+ 63. Kc2 Ke2 64. Rf4 e3 65. Rf6 Ke1 66. Rf3 Rh2+ 67. Kd3 e2 68. Rf6 Kd1 69. Ra6 Rh3+ 0-1

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1971.03.16"]
[Round "3"]
[White "Klein, Robert"]
[Black "Marchand, Erich Watkinson"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "73"]
[EventDate "1971.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nf3 a6 4. g3 b5 5. Bg2 Bb7 6. d3 Nc6 7. 0-0 d6 8. Be3 Nf6 9. Nd2 Be7 10. h3 d5 11. Ne2 d4 12. Bg5 h6 13. Bxf6 Bxf6 14. f4 e5 15. Nf3 Qb6 16. Kh2 Rd8 17. f5 c4 18. g4 a5 19. Ng3 Nb8 20. Nh5 Nd7 21. h4 g6 22. fxg6 fxg6 23. Nxf6+ Nxf6 24. Kh1 Nxg4 25. Nxd4 h5 26. Qf3 Rxd4 27. Qf7+ Kd8 28. Qg7 Re8 29. Rf8 Rxf8 30. Qxf8+ Kc7 31. Rf1 Rd7 32. Qg8 Qd6 33. Rf8 Nf6 34. Qh8 Ng4 35. Qg8 cxd3 36. cxd3 Qe7 37. Qb3 0-1

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1971.03.15"]
[Round "2"]
[White "Marchand, Erich Watkinson"]
[Black "Martz, William E"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "94"]
[EventDate "1971.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nd2 c5 4. Ne4 Qa5+ 5. Bd2 Qa4 6. Nxf6+ gxf6 7. Bc3 cxd4 8. Bxd4 Be7 9. c3 Qxd1+ 10. Rxd1 b6 11. e4 Bb7 12. f3 Nc6 13. Be3 Rc8 14. Ne2 Ne5 15. Nd4 Nc4 16. Bxc4 Rxc4 17. Nb5 Ra4 18. a3 Bc6 19. Nd4 Bc5 20. Nc2 Ke7 21. b3 Ra6 22. a4 Bxe3 23. Nxe3 b5 24. axb5 Bxb5 25. c4 Bc6 26. b4 Ra3 27. Ke2 a6 28. Ra1 Rb3 29. Nc2 Rg8 30. g4 f5 31. Nd4 Rb2+ 32. Ke3 fxe4 33. Nxc6+ dxc6 34. Rxa6 exf3 35. Kxf3 Rb3+ 36. Kf4 Rxb4 37. Ra7+ Kf6 38. Rc1 e5+ 39. Kg3 h5 40. Rf1+ Ke6 41. h3 f6 42. Rc1 hxg4 43. Rc3 gxh3+ 44. Kxh3 Rb1 45. Kh2 Rh8+ 46. Kg3 Rbh1 47. Raa3 R1h2 0-1

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1971.03.14"]
[Round "1"]
[White "Simms, Gary M"]
[Black "Marchand, Erich Watkinson"]
[Result "0-1"]
[ECO "B41"]
[PlyCount "52"]
[EventDate "1971.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 d6 7. Be2 Be7 8. 0-0 Qc7 9. f4 Nc6 10. Nc2 0-0 11. Be3 b6 12. Qe1 Rb8 13. g4 Na5 14. g5 Ne8 15. Rf3 Nxc4 16. Bxc4 Qxc4 17. Rh3 Bb7 18. Nd4 f5 19. Qh4 h6 20. Rc1 fxe4 21. Qh5 e5 22. fxe5 Bxg5 23. Bxg5 Qxd4+ 24. Be3 Qxe5 25. Qxe5 dxe5 26. Bxb6 Bc8 0-1

[Event "US Open-72"]
[Site "Ventura"]
[Date "1971.??.??"]
[Round "9"]
[White "Marchand, Erich Watkinson"]
[Black "McDaniel, Andrew"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "95"]
[EventDate "1971.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nd2 c5 4. Ne4 Qa5+ 5. Bd2 Qb6 6. dxc5 Bxc5 7. Nxc5 Qxc5 8. a3 Nc6 9. Nf3 0-0 10. b4 Qf5 11. h3 e5 12. b5 Ne7 13. g4 Qe6 14. Bg2 d5 15. Bb4 Re8 16. 0-0 e4 17. Nd4 Qe5 18. f4 exf3 19. exf3 Ng6 20. Re1 Qg3 21. Rxe8+ Nxe8 22. Qe1 Qxe1+ 23. Rxe1 Bd7 24. Kf2 Nc7 25. Bf1 Rc8 26. Kg3 Ne6 27. Nxe6 fxe6 28. Bd3 Kf7 29. f4 Re8 30. Bc3 Ne7 31. Bd4 a6 32. bxa6 bxa6 33. Rb1 Nc6 34. Bc5 Rb8 35. Rxb8 Nxb8 36. Bd6 Nc6 37. Bxa6 Nd4 38. c3 Nb5 39. Bb4 Kf6 40. Bb7 g5 41. fxg5+ Kxg5 42. a4 Nc7 43. Bd6 Ne8 44. Bf4+ Kf6 45. a5 e5 46. Be3 Nd6 47. a6 Ne4+ 48. Kh2 1-0

[Event "US Open-72"]
[Site "Ventura"]
[Date "1971.??.??"]
[Round "5"]
[White "Marchand, Erich Watkinson"]
[Black "Mills, Michael D"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "98"]
[EventDate "1971.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. f3 Nf6 5. c3 Bf5 6. e3 e6 7. Qb3 Qc8 8. Nd2 Nbd7 9. g4 Bg6 10. h4 h5 11. g5 Ng8 12. c4 Nb6 13. c5 Nd7 14. e4 Ne7 15. Bh3 b6 16. cxb6 cxb6 17. Ne2 Qb7 18. Nc3 a6 19. 0-0 Nc6 20. Be3 Na5 21. Qa4 dxe4 22. fxe4 Bd6 23. e5 Be7 24. Bg2 Qb8 25. Bxa8 Qxa8 26. b4 Nb7 27. a3 Nd8 28. Rf4 Qb7 29. Qd1 0-0 30. Qf3 Qb8 31. Qg2 Nxe5 32. dxe5 Qxe5 33. Nc4 Qxc3 34. Rc1 Qb3 35. Bxb6 Qa4 36. Qf3 Qb5 37. Qe3 Nc6 38. Bc5 Rd8 39. Bxe7 Nxe7 40. Qc5 Qb7 41. Na5 Qd7 42. Nc6 Nxc6 43. Qxc6 Qd2 44. Rf2 Qe3 45. Qc3 Rd3 46. Qe1 Qd4 47. Kg2 Qg4+ 48. Kf1 Rg3 49. Rc8+ Kh7 0-1

[Event "US Open-72"]
[Site "Ventura"]
[Date "1971.??.??"]
[Round "11"]
[White "Marchand, Erich Watkinson"]
[Black "O'Donnell, Robert"]
[Result "1-0"]
[ECO "D15"]
[PlyCount "45"]
[EventDate "1971.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. e3 b5 6. a4 b4 7. Na2 e6 8. Bxc4 Bb7 9. 0-0 Be7 10. Qe2 0-0 11. e4 a5 12. Rd1 c5 13. e5 Nd5 14. dxc5 Bxc5 15. Ng5 h6 16. Ne4 Be7 17. Qg4 Kh8 18. Rd3 Nc6 19. Bxh6 gxh6 20. Rh3 Bg5 21. Nxg5 Nxe5 22. Rxh6+ Kg8 23. Qh5 1-0

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.22"]
[Round "12"]
[White "Stoutenborough, Ross"]
[Black "Marchand, Erich Watkinson"]
[Result "0-1"]
[ECO "A13"]
[PlyCount "74"]
[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. c4 e6 2. g3 d5 3. b3 d4 4. Bg2 Nf6 5. Nf3 Nc6 6. 0-0 e5 7. d3 Be7 8. Na3 0-0 9. Nc2 h6 10. Bd2 a5 11. a3 Re8 12. b4 Bf8 13. Nfe1 e4 14. dxe4 axb4 15. axb4 Rxa1 16. Qxa1 Nxe4 17. Qd1 Nxd2 18. Qxd2 Ne5 19. Nxd4 Nxc4 20. Qc3 Nb6 21. Nd3 g6 22. e3 Bg7 23. Nc5 Nd5 24. Qc4 c6 25. b5 Nb6 26. Qc3 cxb5 27. Rb1 Nd5 28. Qd2 b4 29. Nd3 Bf8 30. Rc1 Nc3 31. Qb2 Bg7 32. Bf1 Bf8 33. Nxb4 Bxb4 34. Rxc3 Bxc3 35. Qxc3 Qb6 36. Nb5 Bd7 37. Na3 Rc8 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.21"]
[Round "11"]
[White "Marchand, Erich Watkinson"]
[Black "Burstow, John"]
[Result "1-0"]
[ECO "D34"]
[PlyCount "55"]
[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. c4 c5 2. Nf3 e6 3. g3 d5 4. Bg2 Nc6 5. 0-0 Nf6 6. cxd5 exd5 7. d4 Be7 8. Nc3 0-0 9. Bg5 cxd4 10. Nxd4 h6 11. Bf4 a6 12. h3 Nxd4 13. Qxd4 Be6 14. Rfd1 Qa5 15. Nxd5 Nxd5 16. Bxd5 Rad8 17. e4 Bxh3 18. Qe5 Bc5 19. Bxf7+ Kxf7 20. Rxd8 Rxd8 21. Qh5+ Kg8 22. Qxh3 Qb6 23. Rf1 Rf8 24. b3 g5 25. Qg4 Kh7 26. Qd7+ Kg6 27. Be5 Kh5 28. Kg2 1-0

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.20"]
[Round "10"]
[White "Roode, James"]
[Black "Marchand, Erich Watkinson"]
[Result "0-1"]
[ECO "B48"]
[PlyCount "80"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Bd3 Nf6 8. 0-0 Ne5 9. h3 Bc5 10. f4 Nc6 11. Nf5 Bxe3+ 12. Nxe3 Qb6 13. Qc1 d6 14. Kh2 Qc7 15. Qd1 b5 16. a3 Bb7 17. g3 h5 18. Qd2 Qb6 19. b4 Nd4 20. a4 Rc8 21. axb5 axb5 22. Ra5 Ng4+ 23. hxg4 hxg4+ 24. Kg2 Nf3 25. Rxf3 gxf3+ 26. Kxf3 f5 27. Kg2 Kf7 28. Rxb5 Qa7 29. Ra5 Qd4 30. Nb5 Bxe4+ 31. Kg1 Rxc2 32. Nxd4 Rh1+ 33. Kf2 Rxd2+ 34. Be2 Rxd4 35. Nc4 Bd3 36. Bxd3 Rxd3 37. Ra6 Ke7 38. Ra7+ Kf6 39. b5 Rh2+ 40. Ke1 Rc3 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.18"]
[Round "8"]
[White "Olins, Ermanis"]
[Black "Marchand, Erich Watkinson"]
[Result "0-1"]
[ECO "D46"]
[PlyCount "72"]
[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 d5 2. c4 e6 3. Nf3 c6 4. e3 Nf6 5. Bd3 Nbd7 6. 0-0 dxc4 7. Bxc4 Bd6 8. Nc3 0-0 9. a3 e5 10. e4 h6 11. Ba2 a5 12. h3 b6 13. Be3 Ba6 14. Re1 b5 15. Rc1 b4 16. Na4 bxa3 17. bxa3 Bxa3 18. Rxc6 Bb5 19. Rxf6 Nxf6 20. Nxe5 Bb4 21. Nxf7 Rxf7 22. Bxf7+ Kxf7 23. Qb3+ Kg6 24. Rd1 Qe8 25. Nc3 Bxc3 26. Qxc3 Qxe4 27. Bc1 Kh7 28. Re1 Qc6 29. Qb3 Qc4 30. Qf3 Re8 31. Be3 Qd5 32. Qg3 Bc6 33. Rc1 Nh5 34. Qg4 Nf6 35. Qg3 Ne4 36. Qc7 Nc3 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.17"]
[Round "7"]
[White "Marchand, Erich Watkinson"]
[Black "Presser, David"]
[Result "0-1"]
[ECO "E91"]
[PlyCount "102"]
[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. c4 g6 2. e4 Bg7 3. d4 d6 4. Nf3 Nf6 5. Nc3 0-0 6. Be2 Nbd7 7. e5 Ne8 8. 0-0 c5 9. exd6 Nxd6 10. d5 Nf6 11. Be3 b6 12. Bf4 Nh5 13. Bg5 h6 14. Bd2 e5 15. g3 Kh7 16. Ne1 Bh3 17. Ng2 f5 18. f3 Qe7 19. Qc2 Rae8 20. Rae1 Nf6 21. Bd3 e4 22. Qb1 Qe5 23. Re3 Nxc4 24. Bxc4 Bxg2 25. Kxg2 Qd4 26. fxe4 Qxc4 27. b3 Qb4 28. a3 Qxa3 29. Nb5 Qa6 30. Nc7 Qb7 31. Nxe8 Rxe8 32. exf5 Qxd5+ 33. Kh3 g5 34. g4 Qd4 35. Qd1 Rxe3+ 36. Bxe3 Qxe3+ 37. Rf3 Qe4 38. Rd3 Qf4 39. Qf3 Qxf3+ 40. Rxf3 h5 41. Kg2 Nxg4 42. Rd3 Bd4 43. Rd1 Ne3+ 44. Kf3 Nxd1 45. Ke4 Nc3+ 46. Kd3 Kg7 47. Kc4 g4 48. b4 h4 49. b5 g3 50. hxg3 hxg3 51. f6+ Kxf6 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.15"]
[Round "6"]
[White "Marchand, Erich Watkinson"]
[Black "Stoyko, Stephen E"]
[Result "1/2-1/2"]
[ECO "B39"]
[PlyCount "49"]
[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. c4 g6 2. e4 c5 3. Nf3 Bg7 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 Nc6 7. Be3 Ng4 8. Qxg4 Nxd4 9. Qd1 e5 10. Bd3 0-0 11. 0-0 d6 12. Nd5 Be6 13. Kh1 Bxd5 14. cxd5 Rc8 15. f4 exf4 16. Bxf4 Be5 17. Qg4 f6 18. Rac1 Kg7 19. Be3 Rxc1 20. Rxc1 f5 21. exf5 Nxf5 22. Bxf5 Rxf5 23. Qb4 b6 24. h3 Qf8 25. Qb5 1/2-1/2

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.14"]
[Round "5"]
[White "Wheeler, Bill"]
[Black "Marchand, Erich Watkinson"]
[Result "1/2-1/2"]
[ECO "B44"]
[PlyCount "46"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nb5 d6 6. Bf4 e5 7. Be3 Nf6 8. Bg5 Be7 9. N1c3 a6 10. Bxf6 gxf6 11. Na3 b5 12. Nd5 f5 13. Bd3 f4 14. g3 h5 15. c3 Bg5 16. Qe2 Kf8 17. gxf4 exf4 18. f3 Ne5 19. 0-0-0 Bg4 20. Rhf1 Bh3 21. Rg1 Bg4 22. Rgf1 Bh3 23. Rg1 Bg4 1/2-1/2

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.13"]
[Round "4"]
[White "Marchand, Erich Watkinson"]
[Black "Nash, Edmund"]
[Result "1-0"]
[ECO "A35"]
[PlyCount "72"]
[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. c4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nb3 d6 7. e4 Nf6 8. Be2 0-0 9. 0-0 Be6 10. f3 Na5 11. Nd5 Bxd5 12. cxd5 Qb6+ 13. Kh1 Nxb3 14. axb3 Nd7 15. Bg5 Rfe8 16. Rb1 h6 17. Bh4 Nc5 18. Bc4 Rac8 19. Bf2 Qc7 20. Be3 Nd7 21. Rf2 Qb8 22. Bf1 Rc7 23. g3 a5 24. Ra1 b6 25. Bh3 Nc5 26. Bf1 Ra7 27. Bb5 Rc8 28. Rc1 h5 29. h4 Rac7 30. Rfc2 Qa7 31. Kh2 Kh7 32. Qf1 Nd7 33. f4 Nf6 34. Re2 Nxe4 35. Rc6 Nc5 36. f5 Rxc6 1-0

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.12"]
[Round "3"]
[White "Ackerman, David"]
[Black "Marchand, Erich Watkinson"]
[Result "1/2-1/2"]
[ECO "B49"]
[PlyCount "121"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 a6 7. a3 b5 8. 0-0 Bb7 9. Be3 Nf6 10. Bf3 Ne5 11. Re1 Be7 12. Bf4 Nxf3+ 13. Qxf3 e5 14. Nd5 Bxd5 15. exd5 d6 16. Nc6 Kf8 17. Rad1 e4 18. Qb3 Rc8 19. c3 Kg8 20. f3 Qb6+ 21. Kh1 Bf8 22. fxe4 Ng4 23. Rd4 Nf2+ 24. Kg1 Nd3 25. Rf1 Nc5 26. Qc2 h6 27. e5 dxe5 28. Bxe5 Nd7 29. Qf5 Nxe5 30. Qxc8 Nxc6 31. Qxc6 Bc5 32. Qc8+ Kh7 33. Qf5+ Qg6 34. Qxf7 Qxf7 35. Rxf7 Bxd4+ 36. cxd4 Rd8 37. Rf5 Kg6 38. Re5 Kf7 39. Kf2 Rc8 40. Ke3 Rc2 41. d6 Rc6 42. Rf5+ Ke8 43. Re5+ Kd7 44. Re7+ Kxd6 45. Rxg7 Rc2 46. b4 Kd5 47. Rg6 Rc3+ 48. Kd2 Rxa3 49. Rxh6 Ra2+ 50. Kc3 Rxg2 51. Rh5+ Kd6 52. Kd3 Rb2 53. Rh6+ Kd5 54. Rxa6 Rb3+ 55. Kc2 Rh3 56. Rb6 Rxh2+ 57. Kc3 Rh3+ 58. Kb2 Kc4 59. Rc6+ Kxb4 60. Rc2 Rd3 61. Rh2 1/2-1/2

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.11"]
[Round "2"]
[White "Marchand, Erich Watkinson"]
[Black "Gustafson, Dale L"]
[Result "1-0"]
[ECO "A27"]
[PlyCount "69"]
[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. c4 e5 2. Nc3 Nc6 3. Nf3 Bc5 4. e3 d6 5. d4 Bb4 6. dxe5 Bxc3+ 7. bxc3 Nxe5 8. Nxe5 dxe5 9. Qa4+ c6 10. Ba3 Bd7 11. Qb4 Ne7 12. Qxb7 Rb8 13. Qxa7 Ra8 14. Bxe7 Kxe7 15. Qc5+ Ke6 16. e4 Qc7 17. Be2 f6 18. Bg4+ Kf7 19. Bxd7 Qxd7 20. 0-0 Rhd8 21. a4 Qd3 22. Qxc6 Rac8 23. Qb7+ Kg6 24. a5 Qxc4 25. a6 Rb8 26. Qe7 Qxe4 27. a7 Ra8 28. h3 Qc6 29. Ra5 Qxc3 30. Rfa1 Rd1+ 31. Rxd1 Qxa5 32. Rd7 Qe1+ 33. Kh2 Kf5 34. Qxg7 h5 35. Rd6 1-0

[Event "US Open-66"]
[Site "San Juan"]
[Date "1965.07.??"]
[Round "?"]
[White "Marchand, Erich Watkinson"]
[Black "Rivera, D."]
[Result "1-0"]
[ECO "D30"]
[PlyCount "99"]
[EventDate "1965.07.26"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e6 2. d4 Nf6 3. Nf3 c5 4. g3 d5 5. cxd5 exd5 6. Bg2 Nc6 7. 0-0 c4 8. Nc3 Bb4 9. Bg5 Be6 10. e4 Bxc3 11. bxc3 dxe4 12. Nd2 Qa5 13. Bxf6 gxf6 14. Nxe4 0-0-0 15. Qf3 f5 16. Nc5 Rd6 17. Rfb1 b6 18. Nxe6 fxe6 19. a4 Rhd8 20. Rb5 Qa6 21. Qh5 R8d7 22. d5 exd5 23. Qxf5 Kc7 24. Bxd5 Qc8 25. Qf4 a6 26. Bxc6 Kxc6 27. Qxc4+ Kb7 28. Qe4+ Qc6 29. Rb4 Re6 30. Qxc6+ Rxc6 31. Rab1 Rd5 32. Re1 a5 33. Re7+ Ka6 34. Rf4 b5 35. Rxh7 bxa4 36. Rxa4 Rxc3 37. h4 Rc1+ 38. Kg2 Rc2 39. Rf7 Kb5 40. Ra1 Kb4 41. Rb7+ Kc3 42. Ra3+ Kd4 43. Ra7 Rf5 44. R7xa5 Rfxf2+ 45. Kh3 Rc8 46. R3a4+ Ke3 47. Re5+ Kd3 48. Ra1 Kd4 49. Re7 Rcf8 50. Rd1+ 1-0

[Event "Illinois op"]
[Site "Illinois"]
[Date "1965.??.??"]
[Round "?"]
[White "Marchand, Erich Watkinson"]
[Black "Butler, W."]
[Result "1/2-1/2"]
[ECO "A42"]
[PlyCount "77"]
[EventDate "1965.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 g6 2. e4 Bg7 3. d4 d6 4. Nc3 Nc6 5. d5 Nd4 6. Be3 e5 7. dxe6 Nxe6 8. Nf3 Ne7 9. Be2 0-0 10. Nd4 Nc6 11. Nc2 Nc5 12. f3 f5 13. exf5 Bxf5 14. Nd4 Nxd4 15. Bxd4 Nd3+ 16. Bxd3 Bxd4 17. Bxf5 Bxc3+ 18. bxc3 Rxf5 19. 0-0 Qg5 20. Qd4 b6 21. f4 Qf6 22. g4 Qxd4+ 23. cxd4 Ra5 24. f5 gxf5 25. gxf5 Re8 26. Rf4 Ra4 27. d5 Re2 28. Kh1 Raxa2 29. Rg1+ Kf7 30. Rh4 Kf6 31. Rf1 Rac2 32. Rxh7 Rxc4 33. Rh6+ Kf7 34. f6 Rcc2 35. Rh7+ Kg8 36. Rh6 Rf2 37. Rg1+ Kf8 38. Re1 Rce2 39. Rg1 1/2-1/2

[Event "Illinois op"]
[Site "Illinois"]
[Date "1965.??.??"]
[Round "?"]
[White "Tautvaisas, Povilas"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "B48"]
[PlyCount "49"]
[EventDate "1965.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be3 Qc7 7. Bd3 Ne5 8. Qe2 Bb4 9. 0-0 Bxc3 10. bxc3 Qxc3 11. f4 Nxd3 12. cxd3 Nf6 13. Nb3 d6 14. Bd4 Qc7 15. e5 dxe5 16. fxe5 Nd5 17. Rac1 Qe7 18. Nd2 Qd7 19. Bc5 b6 20. Ba3 Nc7 21. Qg4 f5 22. exf6 gxf6 23. Ne4 Qd4+ 24. Kh1 Kd8 25. Qg7 1-0

[Event "Ontario op"]
[Site "Kingston"]
[Date "1965.??.??"]
[Round "?"]
[White "Winterton, Ken"]
[Black "Marchand, Erich Watkinson"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "64"]
[EventDate "1965.05.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Nbd2 Bg7 5. Ne5 0-0 6. f4 Bf5 7. Bd3 Bxd3 8. Nxd3 Nbd7 9. Qf3 c5 10. c3 Qc7 11. h4 h5 12. Nf2 b5 13. Nf1 a5 14. g4 b4 15. Bd2 Ra6 16. Ng3 hxg4 17. Nxg4 Nxg4 18. Qxg4 bxc3 19. Bxc3 cxd4 20. exd4 Re6+ 21. Ne2 Nf6 22. Qf3 Nh5 23. 0-0-0 Bh6 24. Kb1 Rb8 25. Ka1 a4 26. f5 Re3 27. Qg2 Ng3 28. Nxg3 Rxc3 29. Ne2 Rc2 30. fxg6 a3 31. gxf7+ Kh7 32. b3 Rxa2+ 0-1

[Event "US Open-65"]
[Site "Boston"]
[Date "1964.08.??"]
[Round "?"]
[White "Oster, Roy"]
[Black "Marchand, Erich Watkinson"]
[Result "0-1"]
[ECO "D46"]
[PlyCount "100"]
[EventDate "1964.08.17"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 e6 4. Nf3 Nf6 5. Nc3 Nbd7 6. Bd3 Bb4 7. 0-0 0-0 8. Qc2 Qe7 9. cxd5 exd5 10. a3 Bd6 11. b4 a6 12. Na4 Ne4 13. Nc5 Ndxc5 14. dxc5 Bc7 15. Bb2 Bg4 16. Bxe4 dxe4 17. Nd2 Rfe8 18. Rfe1 Bh5 19. Bd4 Rad8 20. Qb2 Qg5 21. Nf1 Re6 22. Ng3 Rd5 23. Rf1 Rh6 24. h3 Bf3 25. Kh2 Qg4 26. Rh1 Rxh3+ 27. gxh3 Bxg3+ 28. fxg3 Qxh3+ 29. Kg1 Qxh1+ 30. Kf2 Qg2+ 31. Ke1 Qg1+ 32. Kd2 Qxg3 33. Kc3 h5 34. Kc4 h4 35. Rc1 h3 36. a4 h2 37. b5 axb5+ 38. axb5 h1Q 39. Rxh1 Bxh1 40. bxc6 bxc6 41. Qb7 Qg6 42. Qc8+ Kh7 43. Qf8 Bf3 44. Kc3 Rg5 45. Kb4 Rg1 46. Ka5 Qe6 47. Kb6 Qd7 48. Ka5 Qa7+ 49. Kb4 Rb1+ 50. Kc3 Qa3+ 0-1

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.25"]
[Round "12"]
[White "Zangerle, Karl"]
[Black "Marchand, Erich Watkinson"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "42"]
[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 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6 5. 0-0 e6 6. b3 cxd4 7. Nxd4 Bc5 8. Nxc6 bxc6 9. Nc3 0-0 10. Na4 Be7 11. c4 Nd7 12. cxd5 cxd5 13. e4 Ba6 14. Re1 Nf6 15. exd5 Nxd5 16. Bb2 Bb7 17. Rc1 Bf6 18. Bxf6 Qxf6 19. Nc5 Bc8 20. Qf3 Qb2 21. Qe2 Qf6 1/2-1/2

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.24"]
[Round "11"]
[White "Marchand, Erich Watkinson"]
[Black "O'Keefe, Jack"]
[Result "0-1"]
[ECO "A34"]
[PlyCount "104"]
[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. c4 Nf6 2. Nf3 g6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Bg7 6. Bg2 c5 7. 0-0 Nxc3 8. bxc3 Nc6 9. Ba3 Qa5 10. Qc1 0-0 11. Rb1 b6 12. Nd4 cxd4 13. Bxc6 Bh3 14. Bxe7 Bxf1 15. Bxa8 Rxa8 16. Qxf1 dxc3 17. dxc3 Qxa2 18. Qe1 Re8 19. Ra1 Qe6 20. Bg5 Qxe2 21. Qxe2 Rxe2 22. Rxa7 Bxc3 23. Bh6 Re8 24. Rb7 Bd4 25. Be3 Bxe3 26. fxe3 Re6 27. e4 Kg7 28. Kg2 Kf6 29. Kf3 h5 30. h4 Ke5 31. Ke3 f5 32. exf5 Kxf5+ 33. Kf3 Rd6 34. Rf7+ Ke5 35. Ke3 Kd5 36. Rf4 Kc5 37. g4 hxg4 38. Rxg4 b5 39. Rg5+ Kc4 40. h5 gxh5 41. Rxh5 b4 42. Rh8 Kc3 43. Rc8+ Kb2 44. Rb8 b3 45. Ra8 Kc2 46. Rc8+ Kb1 47. Rb8 b2 48. Ra8 Kc1 49. Rc8+ Kd1 50. Rb8 Rd2 51. Rb7 Kc1 52. Rb8 Rc2 0-1

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.23"]
[Round "10"]
[White "Marchand, Erich Watkinson"]
[Black "Morgan, Charles T"]
[Result "0-1"]
[ECO "A21"]
[PlyCount "86"]
[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. c4 e5 2. Nc3 d6 3. g3 f5 4. Nf3 Nf6 5. d4 e4 6. Nd2 Be7 7. f3 e3 8. Nb3 f4 9. Qd3 g5 10. h4 gxh4 11. gxf4 Nh5 12. Qxe3 Ng3 13. Rh2 Nd7 14. Nd5 Nf5 15. Qd3 Nf6 16. Nxe7 Qxe7 17. Bh3 Ng3 18. Bxc8 Rxc8 19. Rxh4 Kd7 20. Rh3 Qg7 21. Kd1 Rce8 22. e4 Nfxe4 23. Be3 Nf5 24. fxe4 Qg4+ 25. Kd2 Qxh3 26. exf5 Rhg8 27. Re1 Rg2+ 28. Re2 Rxe2+ 29. Qxe2 Qxf5 30. d5 Rg8 31. Nd4 Qe4 32. Nf3 h6 33. Qf1 Rg3 34. c5 Qxf3 35. Qb5+ Kd8 36. Qd3 Rg2+ 37. Kc3 Re2 38. Bd4 Qxd3+ 39. Kxd3 Rg2 40. cxd6 cxd6 41. Ke4 h5 42. Kf3 Rg8 43. Bf6+ Ke8 0-1

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.22"]
[Round "9"]
[White "Rubin, Sidney J"]
[Black "Marchand, Erich Watkinson"]
[Result "0-1"]
[ECO "B44"]
[PlyCount "106"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Be3 Nf6 6. Nd2 d5 7. Bb5 Bd7 8. Nxc6 bxc6 9. Bd3 Bd6 10. f4 dxe4 11. Nxe4 Nxe4 12. Bxe4 Qa5+ 13. c3 Bc5 14. Qh5 Bb6 15. Qxa5 Bxa5 16. Rd1 Bb6 17. Bd4 f6 18. 0-0 Ke7 19. b4 Bxd4+ 20. Rxd4 Rac8 21. Rfd1 Rc7 22. Kf2 g6 23. h4 Rb8 24. h5 gxh5 25. Bxh7 f5 26. Rh1 Be8 27. Re1 Kf8 28. Rxe6 Rxh7 29. Rdd6 Rd7 30. Rxd7 Bxd7 31. Rh6 Kg7 32. Rxh5 Be6 33. a3 Rd8 34. Ke3 Rd1 35. a4 Kg6 36. Rg5+ Kf6 37. Rh5 a6 38. Rh6+ Ke7 39. Rh7+ Kd6 40. Ra7 Bc4 41. Rg7 Rd3+ 42. Kf2 Rxc3 43. g4 fxg4 44. Rxg4 Bd5 45. Rg6+ Ke7 46. Rg7+ Bf7 47. Rg5 Rb3 48. Rc5 Kd6 49. Rf5 Be6 50. Ra5 Bc4 51. f5 Rxb4 52. f6 Ke6 53. Rc5 Bd5 0-1

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.21"]
[Round "8"]
[White "Marchand, Erich Watkinson"]
[Black "Lyman, Shelby"]
[Result "1/2-1/2"]
[ECO "A14"]
[PlyCount "80"]
[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. c4 Nf6 2. Nf3 e6 3. b3 Be7 4. Bb2 0-0 5. g3 c5 6. Bg2 d5 7. 0-0 Nc6 8. cxd5 Nxd5 9. Na3 Bd7 10. Nc4 Rc8 11. a3 Be8 12. d4 b5 13. Ncd2 cxd4 14. Nxd4 Nxd4 15. Bxd4 Nc3 16. Bxc3 Rxc3 17. b4 Bc6 18. Bxc6 Rxc6 19. Nb3 Qb6 20. Qd4 Bf6 21. Qxb6 axb6 22. Ra2 Rc3 23. Nd2 Rd8 24. Ne4 Rc4 25. Nxf6+ gxf6 26. Rb1 Rc3 27. a4 bxa4 28. Rxa4 Rc2 29. Ra6 Rd6 30. e3 Kg7 31. h4 f5 32. b5 Kf6 33. Kg2 e5 34. Kg1 Ke6 35. Kg2 Kf6 36. Kg1 h5 37. Kg2 Ke6 38. Kg1 f4 39. exf4 exf4 40. gxf4 Kf5 1/2-1/2

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.20"]
[Round "7"]
[White "Berry, George Wendel"]
[Black "Marchand, Erich Watkinson"]
[Result "0-1"]
[ECO "B48"]
[PlyCount "64"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. g3 a6 7. Be3 b5 8. a4 b4 9. Nce2 Nf6 10. Bg2 Bb7 11. Nb3 Na5 12. Nd2 Ng4 13. 0-0 Nxe3 14. fxe3 Bc5 15. Nd4 e5 16. Qf3 d5 17. Nf5 0-0-0 18. Nxg7 d4 19. Nb3 Nxb3 20. cxb3 dxe3 21. Kh1 Rd2 22. Nf5 Qb6 23. Rfe1 Rf2 24. Qg4 Kb8 25. a5 Qa7 26. Qg5 Rxg2 27. Nxe3 Rd2 28. Qxe5+ Ka8 29. Qxh8+ Qb8 30. Qxb8+ Kxb8 31. Nd5 Rxd5 32. Re2 Re5 0-1

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.19"]
[Round "6"]
[White "Marchand, Erich Watkinson"]
[Black "Gilden, Lawrence C"]
[Result "0-1"]
[ECO "E91"]
[PlyCount "58"]
[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. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 Bg4 7. Be3 Nc6 8. h3 Bxf3 9. Bxf3 e5 10. d5 Nd4 11. Bxd4 exd4 12. Ne2 Ne8 13. 0-0 Rb8 14. Rb1 Qf6 15. Qa4 d3 16. Nc1 d2 17. Nb3 Qf4 18. Rfd1 Be5 19. Nxd2 Qh2+ 20. Kf1 Ng7 21. Ke2 f5 22. Rh1 Qf4 23. g3 Qg5 24. Qb3 Rbe8 25. Kd1 fxe4 26. Nxe4 Qf5 27. Bg2 Bxg3 28. f3 Rxe4 29. fxe4 Qh5+ 0-1

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.17"]
[Round "5"]
[White "Aronson, Eva"]
[Black "Marchand, Erich Watkinson"]
[Result "0-1"]
[ECO "D31"]
[PlyCount "52"]
[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 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Nf3 Bf5 6. Bf4 Nd7 7. e3 Qb6 8. Qd2 Ngf6 9. a3 Be7 10. b4 a5 11. b5 Ne4 12. Nxe4 dxe4 13. bxc6 exf3 14. cxd7+ Bxd7 15. gxf3 Bxa3 16. Rxa3 Qb1+ 17. Ke2 Bb5+ 18. Rd3 Rc8 19. Bh3 Bxd3+ 20. Qxd3 Rc2+ 21. Qxc2 Qxc2+ 22. Kf1 0-0 23. Rg1 a4 24. Kg2 a3 25. Kh1 a2 26. Bh6 Qg6 0-1

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.16"]
[Round "4"]
[White "Marchand, Erich Watkinson"]
[Black "Szedlacsek, Louis"]
[Result "0-1"]
[ECO "D74"]
[PlyCount "80"]
[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. c4 Nf6 2. Nf3 g6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 c6 6. Bg2 Bg7 7. d4 0-0 8. 0-0 Nb6 9. Bf4 N8d7 10. Qc1 Nf6 11. Bh6 Qd6 12. Bxg7 Kxg7 13. Rd1 Bf5 14. Ne5 Be6 15. b3 Qb4 16. a3 Qd6 17. Qb2 Rad8 18. Rac1 Kg8 19. h3 Qb8 20. Kh2 h6 21. Rd2 Kh7 22. Rcd1 Nh5 23. Qc2 f5 24. f4 Qd6 25. Qb2 Nd5 26. Nc4 Qb8 27. Bxd5 Bxd5 28. Ne5 Nf6 29. b4 a6 30. Na4 g5 31. e3 Rg8 32. Nc5 Rg7 33. Qc2 e6 34. Rg1 Rdg8 35. a4 gxf4 36. exf4 Nh5 37. Rf2 Rxg3 38. Rxg3 Rxg3 39. Ncd7 Qg8 40. Ng4 Rxh3+ 0-1

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.15"]
[Round "3"]
[White "Slater, William"]
[Black "Marchand, Erich Watkinson"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "70"]
[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 d5 2. Nf3 Nf6 3. Bf4 c6 4. e3 Qb6 5. Qc1 Bf5 6. Nbd2 Nbd7 7. Nb3 e6 8. Be2 Be7 9. 0-0 0-0 10. Nh4 Bg4 11. Bxg4 Nxg4 12. Nf3 c5 13. c3 a5 14. h3 Ngf6 15. Qc2 a4 16. Nbd2 Rfc8 17. Rab1 Qa6 18. Rfe1 b5 19. Qd3 b4 20. Qxa6 Rxa6 21. Ne5 Nxe5 22. Bxe5 Nd7 23. Bg3 f6 24. Kf1 Kf7 25. f3 bxc3 26. bxc3 cxd4 27. cxd4 Rc2 28. Rb7 Ke8 29. Ke2 Rb6 30. Rb1 Rxb1 31. Rxb1 Rxa2 32. Kd3 Ra3+ 33. Ke2 Rc3 34. Rb2 a3 35. Ra2 Nb6 0-1

[Event "US Open-61"]
[Site "Saint Louis"]
[Date "1960.08.19"]
[Round "12"]
[White "Abram, Gary"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "59"]
[EventDate "1960.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5 Nd5 7. Bd2 Nxc3 8. bxc3 Be7 9. Qg4 Kf8 10. Bd3 Nc6 11. Qg3 d6 12. Nxc6 bxc6 13. 0-0 dxe5 14. Qxe5 Qd5 15. Qxd5 exd5 16. Bf4 g5 17. Be3 Bf6 18. Bd4 Kg7 19. f4 g4 20. Rab1 h5 21. Rb3 Bxd4+ 22. cxd4 Kf6 23. Rfb1 Bf5 24. Bxf5 Kxf5 25. Rb7 Kxf4 26. Rxf7+ Ke3 27. Rd1 Rhf8 28. Re7+ Kf4 29. Re5 g3 30. h3 1-0

[Event "US Open-61"]
[Site "Saint Louis"]
[Date "1960.08.18"]
[Round "11"]
[White "Marchand, Erich Watkinson"]
[Black "Cantone, Anthony"]
[Result "1/2-1/2"]
[ECO "A13"]
[PlyCount "87"]
[EventDate "1960.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 e6 2. b3 f5 3. Bb2 Nf6 4. g3 Be7 5. Bg2 0-0 6. a3 d6 7. d4 Qe8 8. Nd2 Qg6 9. Nh3 Nh5 10. e3 Nd7 11. Bf3 Ndf6 12. Nf4 Nxf4 13. gxf4 Rb8 14. Qc2 Bd7 15. 0-0-0 Bc6 16. d5 exd5 17. cxd5 Bd7 18. Rhg1 Qf7 19. e4 fxe4 20. Bxe4 c6 21. Nf3 cxd5 22. Ng5 Qh5 23. Bxh7+ Nxh7 24. Qxh7+ Qxh7 25. Nxh7 Rf7 26. Ng5 Bxg5 27. Rxg5 Rc8+ 28. Kd2 Rxf4 29. Rxg7+ Kf8 30. Rxd7 Rxf2+ 31. Kd3 Rxb2 32. Rxb7 Rxh2 33. Kd4 Rc5 34. Rf1+ Kg8 35. Rf3 Rh4+ 36. Kd3 d4 37. Rbf7 Rc3+ 38. Kd2 Rh2+ 39. Rf2 Rxb3 40. Rxh2 Kxf7 41. Rh7+ Ke6 42. Rxa7 Kd5 43. a4 Kc4 44. Rc7+ 1/2-1/2

[Event "US Open-61"]
[Site "Saint Louis"]
[Date "1960.08.15"]
[Round "8"]
[White "Marchand, Erich Watkinson"]
[Black "Nash, Edmund"]
[Result "0-1"]
[ECO "E18"]
[PlyCount "96"]
[EventDate "1960.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. b3 d6 6. d4 Be7 7. 0-0 0-0 8. Bb2 Nbd7 9. Nbd2 Ne4 10. Nxe4 Bxe4 11. Qd2 f5 12. d5 e5 13. Nxe5 Nxe5 14. f3 Bg5 15. Qc3 Bxf3 16. exf3 Bf6 17. Qd2 Nf7 18. Rae1 Bxb2 19. Qxb2 Ne5 20. Qd2 Re8 21. Rf2 Nd7 22. Rxe8+ Qxe8 23. Re2 Qf7 24. Qe3 Kf8 25. Bh3 Ne5 26. f4 Ng6 27. Qd3 Ne7 28. g4 fxg4 29. Bxg4 Qg6 30. Qxg6 Nxg6 31. Bh5 Nxf4 32. Rf2 g5 33. h4 Kg7 34. Bg4 h6 35. Kh2 Re8 36. hxg5 hxg5 37. Kg3 Re3+ 38. Kh2 Kf6 39. Bd7 a5 40. Bg4 Ke5 41. Bf3 Nd3 42. Rf1 Re1 43. Rxe1+ Nxe1 44. Bh5 Nd3 45. Bg6 Nc1 46. Bb1 Kd4 47. Kg3 Kc3 48. Kg4 Kb2 0-1

[Event "US Open-61"]
[Site "Saint Louis"]
[Date "1960.08.13"]
[Round "6"]
[White "Levy, Louis"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "141"]
[EventDate "1960.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Bd3 Nc6 7. Nxc6 dxc6 8. 0-0 e5 9. Bg5 h6 10. Bd2 Be6 11. a3 Bd6 12. Qe2 0-0 13. Nd1 a5 14. Ne3 Qc7 15. Kh1 Rfe8 16. g4 Nh7 17. Nf5 Bf8 18. Rg1 g5 19. Qe3 b5 20. a4 Bd7 21. Qh3 Re6 22. Qf1 bxa4 23. Bc4 Rf6 24. Rxa4 c5 25. Ra2 Bc6 26. f3 a4 27. Bc3 Bg7 28. Bb5 Nf8 29. Bxc6 Rxc6 30. Qc4 Rca6 31. Rga1 Qa7 32. Nxg7 Kxg7 33. Bxe5+ f6 34. Bc3 Ng6 35. Rd1 Nf4 36. Qb5 Kg6 37. Rd7 Qb6 38. Qc4 Qe6 39. Qxe6 Rxe6 40. Bd2 Ne2 41. Be3 Rc6 42. Rd3 Nd4 43. Bxd4 cxd4 44. Rd2 Rac8 45. Rxa4 Rxc2 46. Raxd4 Rc1+ 47. Rd1 R1c2 48. R4d2 R2c6 49. Rb1 h5 50. h3 hxg4 51. hxg4 Rb8 52. b4 Rb5 53. Kg2 Rc4 54. Rdb2 Kf7 55. Kf2 Ke6 56. Rb3 Rc2+ 57. Ke3 Ke5 58. Ra1 Rc4 59. Ra5 Rxa5 60. bxa5 Ra4 61. Rb5+ Ke6 62. Rf5 Rc4 63. Kd3 Rc1 64. Kd4 Rc2 65. e5 fxe5+ 66. Rxe5+ Kf6 67. Rc5 Rd2+ 68. Kc4 Rb2 69. a6 Ra2 70. Kb5 Ra3 71. Kb6 1-0

[Event "US Open-61"]
[Site "Saint Louis"]
[Date "1960.08.12"]
[Round "5"]
[White "Marchand, Erich Watkinson"]
[Black "Harrow, Martin"]
[Result "1-0"]
[ECO "A14"]
[PlyCount "92"]
[EventDate "1960.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. b3 d5 4. Bb2 c5 5. g3 Be7 6. Bg2 0-0 7. 0-0 Nc6 8. cxd5 Nxd5 9. Na3 Bf6 10. Bxf6 Qxf6 11. Rc1 b6 12. Qc2 Ba6 13. d3 Nd4 14. Qd2 Rad8 15. Nc4 Bb7 16. Nxd4 cxd4 17. e4 dxe3 18. fxe3 Qg5 19. Qf2 Ba6 20. h4 Qh6 21. Rcd1 b5 22. Bxd5 Rxd5 23. e4 Rdd8 24. Ne5 f6 25. Nc6 Rd7 26. Qf4 Qg6 27. Ne5 Qe8 28. Nxd7 Qxd7 29. d4 b4 30. Rf2 Rc8 31. Rfd2 Rc3 32. Kh2 Bb7 33. d5 exd5 34. exd5 Bc8 35. g4 Qxg4 36. Qxg4 Bxg4 37. d6 Bd7 38. Rd3 Rc8 39. R1d2 g5 40. hxg5 fxg5 41. Re3 h5 42. Re5 g4 43. Rxh5 Kg7 44. Re5 Kf6 45. Re7 Rh8+ 46. Kg1 Bc6 1-0

[Event "US Open-60"]
[Site "Omaha"]
[Date "1959.08.01"]
[Round "12"]
[White "O'Keefe, Jack"]
[Black "Marchand, Erich Watkinson"]
[Result "1/2-1/2"]
[ECO "D31"]
[PlyCount "72"]
[EventDate "1959.07.20"]
[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 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 c6 5. Nf3 Bf5 6. Bg5 Be7 7. Bxe7 Qxe7 8. e3 Nd7 9. Bd3 Nh6 10. Qc2 Bxd3 11. Qxd3 0-0 12. 0-0 f5 13. Rab1 Rae8 14. b4 a6 15. Na4 Nf6 16. Nc5 Ne4 17. Ne5 Ng4 18. Nxg4 fxg4 19. a4 Rf6 20. Nxe4 dxe4 21. Qe2 Rg6 22. g3 h5 23. b5 axb5 24. axb5 h4 25. bxc6 bxc6 26. Rb6 Qg5 27. Qc4+ Kh7 28. Rxc6 h3 29. Qc5 Qh6 30. Qf5 Qg5 31. Qxg6+ Qxg6 32. Rxg6 Kxg6 33. Rc1 Ra8 34. Kf1 Kf6 35. Rc6+ Kf7 36. Rc5 Kf6 1/2-1/2

[Event "US Open-60"]
[Site "Omaha"]
[Date "1959.07.31"]
[Round "11"]
[White "Marchand, Erich Watkinson"]
[Black "Brasket, Curt Justin"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "124"]
[EventDate "1959.07.20"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 f5 2. b3 e5 3. Bb2 d6 4. d4 Nd7 5. dxe5 dxe5 6. e4 fxe4 7. Qh5+ g6 8. Qd1 Ngf6 9. a3 a5 10. Nc3 Bh6 11. h4 c6 12. g4 Nxg4 13. Nxe4 0-0 14. c5 Ndf6 15. Qxd8 Rxd8 16. Bc4+ Nd5 17. Nh3 Bf8 18. Rg1 Be7 19. h5 Bf5 20. hxg6 hxg6 21. Nhg5 Rf8 22. 0-0-0 Rad8 23. Rde1 Rfe8 24. f3 Nh6 25. Bxe5 Nf7 26. Nxf7 Kxf7 27. Rh1 g5 28. Bd6 Kg6 29. Bxd5 cxd5 30. Bxe7 Rxe7 31. Nd6 Rc7 32. Kd2 Rxc5 33. Nxf5 Kxf5 34. Rh7 b5 35. Rf7+ Kg6 36. Ra7 Rdc8 37. Rxa5 Rc2+ 38. Kd3 R8c3+ 39. Kd4 Rxb3 40. Kxd5 Rxf3 41. Ra6+ Kf5 42. Re5+ Kg4 43. Rg6 Rd3+ 44. Ke4 Re2+ 45. Kxd3 Rxe5 46. Kd4 Rf5 47. Ke3 Rf3+ 48. Ke2 Rxa3 49. Rb6 Ra2+ 50. Kf1 Kf3 51. Rf6+ Kg4 52. Rb6 Rb2 53. Rg6 Kf3 54. Rf6+ Kg3 55. Rg6 g4 56. Rd6 Rb1+ 57. Ke2 Kg2 58. Rg6 g3 59. Rb6 Rb2+ 60. Ke1 Kf3 61. Rf6+ Ke4 62. Kf1 Rf2+ 0-1

[Event "US Open-60"]
[Site "Omaha"]
[Date "1959.07.30"]
[Round "10"]
[White "Wang, Arthur D"]
[Black "Marchand, Erich Watkinson"]
[Result "0-1"]
[ECO "D12"]
[PlyCount "98"]
[EventDate "1959.07.20"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Bf5 3. Bb2 e6 4. e3 Nf6 5. Be2 Nbd7 6. 0-0 Bd6 7. d4 0-0 8. Nbd2 Ne4 9. c4 c6 10. Nxe4 Bxe4 11. Nd2 Bg6 12. Re1 Qh4 13. g3 Qe7 14. Bf3 Ba3 15. Qc1 Bxb2 16. Qxb2 Qf6 17. Bg2 Rfd8 18. Rac1 Nc5 19. Bf1 Nd3 20. Bxd3 Bxd3 21. Qc3 Bf5 22. f3 dxc4 23. Nxc4 h5 24. Kg2 Bg6 25. Ne5 Bh7 26. e4 Qe7 27. f4 f6 28. Nf3 Qd6 29. Qe3 Qa3 30. Rc2 Bg6 31. h3 a5 32. g4 a4 33. f5 exf5 34. gxf5 Bf7 35. Rb1 axb3 36. axb3 Qb4 37. Kf2 Ra3 38. Rcb2 Rda8 39. e5 fxe5 40. dxe5 Bd5 41. f6 Ra2 42. fxg7 Qe4 43. Nd2 Qg2+ 44. Ke1 Rxb2 45. Rxb2 Ra1+ 46. Rb1 Rxb1+ 47. Nxb1 Qh1+ 48. Ke2 Qxb1 49. Qh6 Qh7 0-1

[Event "US Open-60"]
[Site "Omaha"]
[Date "1959.07.29"]
[Round "9"]
[White "Marchand, Erich Watkinson"]
[Black "Krause, David"]
[Result "1-0"]
[ECO "A96"]
[PlyCount "63"]
[EventDate "1959.07.20"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 f5 3. b3 Nf6 4. Bb2 Be7 5. g3 0-0 6. Bg2 Qe8 7. 0-0 d6 8. d4 Qh5 9. Nfd2 Qg6 10. Qc2 Nc6 11. d5 exd5 12. cxd5 Nb4 13. Qc4 a5 14. a3 Na6 15. b4 Ng4 16. h3 Ne5 17. Bxe5 dxe5 18. d6+ Be6 19. Bd5 Bxd6 20. Bxe6+ Kh8 21. Bd5 e4 22. Nxe4 fxe4 23. Bxe4 Qf6 24. Nc3 axb4 25. axb4 Nxb4 26. Rxa8 Rxa8 27. Bxb7 Ra3 28. Ne4 Qe5 29. Nxd6 Qxd6 30. Bg2 h5 31. Qf7 Qc5 32. Qe8+ 1-0

[Event "US Open-60"]
[Site "Omaha"]
[Date "1959.07.28"]
[Round "8"]
[White "Harris, Walter"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "A08"]
[PlyCount "55"]
[EventDate "1959.07.20"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. 0-0 e5 5. d3 Nf6 6. Nbd2 Be7 7. e4 dxe4 8. dxe4 0-0 9. c3 Qc7 10. Qe2 Na5 11. Nh4 c4 12. Nf5 Bc5 13. Ne3 b5 14. b4 cxb3 15. axb3 b4 16. Bb2 bxc3 17. Bxc3 Nc6 18. Nd5 Nxd5 19. exd5 Bd4 20. Rfc1 Bxc3 21. Rxc3 Nd4 22. Rxc7 Nxe2+ 23. Kf1 Nd4 24. d6 a5 25. Bxa8 Ba6+ 26. Kg2 Rxa8 27. Rxa5 Nc6 28. Rxa6 1-0

[Event "US Open-60"]
[Site "Omaha"]
[Date "1959.07.26"]
[Round "6"]
[White "Marchand, Erich Watkinson"]
[Black "Rivera, Donato"]
[Result "0-1"]
[ECO "E94"]
[PlyCount "68"]
[EventDate "1959.07.20"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. dxe5 dxe5 8. Bg5 Nbd7 9. 0-0 c6 10. Qc2 Qc7 11. Rad1 a5 12. Na4 b6 13. b3 Re8 14. c5 b5 15. Nb2 h6 16. Bc1 Bf8 17. a4 Nxc5 18. axb5 Ncxe4 19. bxc6 Bf5 20. Nh4 Be6 21. Be3 Rab8 22. Rd3 Nd5 23. Rdd1 Nxe3 24. fxe3 Nc5 25. Nc4 e4 26. Rb1 Red8 27. Qc3 Bg7 28. Qxa5 Qxc6 29. Rfc1 Nd3 30. Bxd3 exd3 31. Ne5 Qb6 32. Qxb6 Rxb6 33. Nc4 Bxc4 34. bxc4 d2 0-1

[Event "US Open-60"]
[Site "Omaha"]
[Date "1959.07.24"]
[Round "5"]
[White "McLellan, Richard Alan"]
[Black "Marchand, Erich Watkinson"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "2166"]
[BlackElo "2230"]
[PlyCount "84"]
[EventDate "1959.07.20"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 dxc6 7. Qxd8+ Kxd8 8. Bg5 Be7 9. 0-0-0+ Ke8 10. f3 e5 11. Bc4 Nd7 12. Bxe7 Kxe7 13. Rd2 b5 14. Be2 Nb6 15. Nd1 Be6 16. Ne3 g6 17. Rhd1 Rhc8 18. Kb1 Rab8 19. Rc1 Rd8 20. Rcd1 Rxd2 21. Rxd2 f5 22. b3 fxe4 23. fxe4 Rf8 24. Kc1 h5 25. g3 Nd7 26. Kd1 Nc5 27. Bd3 a5 28. Ke2 a4 29. Rd1 Bh3 30. Rg1 axb3 31. axb3 Ne6 32. c3 Ra8 33. Bc2 b4 34. Kd3 Rd8+ 35. Kc4 bxc3 36. Kxc3 Nd4 37. Ra1 Nb5+ 38. Kb4 Rd2 39. Nd5+ cxd5 40. Kxb5 Rxc2 41. Ra7+ Bd7+ 42. Kb4 dxe4 0-1

[Event "US Open-60"]
[Site "Omaha"]
[Date "1959.07.23"]
[Round "4"]
[White "Berliner, Hans Jack"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "D31"]
[PlyCount "77"]
[EventDate "1959.07.20"]
[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 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+ 8. Be2 Qxg2 9. Qd6 Nd7 10. 0-0-0 Qg5+ 11. f4 Qe7 12. Qd4 e5 13. Qd2 c5 14. Bc3 Ngf6 15. Bd3 e4 16. Re1 b6 17. Bxe4 Nxe4 18. Qd5 f5 19. Qxa8 0-0 20. Nf3 Ndf6 21. Bxf6 Qxf6 22. Ne5 b5 23. cxb5 c4 24. Qxa7 c3 25. Rhg1 cxb2+ 26. Kxb2 g6 27. Rd1 Be6 28. Qd4 Rc8 29. Nc6 Qh4 30. Rg2 Ra8 31. Ka1 Qh3 32. Rb2 Qf3 33. b6 Nc5 34. b7 Nxb7 35. Rxb7 Rxa2+ 36. Kb1 Ra1+ 37. Kxa1 Qa3+ 38. Kb1 Ba2+ 39. Kc2 1-0

[Event "US Open-60"]
[Site "Omaha"]
[Date "1959.07.22"]
[Round "3"]
[White "Marchand, Erich Watkinson"]
[Black "Herbst, Henry"]
[Result "1-0"]
[ECO "A28"]
[PlyCount "103"]
[EventDate "1959.07.20"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. d3 Be7 7. Bg2 0-0 8. Nxe5 Nxc3 9. Nxc6 Nxd1 10. Nxd8 Nxf2 11. Kxf2 Rxd8 12. Be3 Bf6 13. Rac1 c6 14. b3 Bd4 15. Bxd4 Rxd4 16. Rhd1 Be6 17. e3 Rd6 18. Bf3 Rad8 19. d4 g6 20. Rd2 h5 21. h4 Bh3 22. Kg1 Be6 23. b4 a6 24. Rc3 Bd5 25. e4 Be6 26. d5 f6 27. Kf2 Kf8 28. a4 Ke7 29. Re3 Bg8 30. Rde2 Kf8 31. dxc6 bxc6 32. e5 fxe5 33. Rxe5 Rf6 34. Kg2 Bf7 35. Rc2 Rd4 36. Re4 Rdd6 37. Re3 Rd4 38. Rxc6 Rxc6 39. Bxc6 Rxb4 40. Rc3 Rb6 41. Kf2 Rb2+ 42. Ke3 Rb3 43. Rxb3 Bxb3 44. Kd4 Ke7 45. a5 Kd6 46. Bb7 Ba4 47. Bxa6 Ke6 48. Bd3 Kf6 49. a6 g5 50. a7 Bc6 51. Be4 gxh4 52. Bxc6 1-0

[Event "US Open-60"]
[Site "Omaha"]
[Date "1959.07.21"]
[Round "2"]
[White "Taylor, David C"]
[Black "Marchand, Erich Watkinson"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "44"]
[EventDate "1959.07.20"]
[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 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Nf3 e6 6. Nxd4 Nc6 7. Bc4 Qc7 8. Nxc6 bxc6 9. Qe2 Nb6 10. Bd3 d6 11. Bf4 Nd5 12. exd6 Nxf4 13. dxc7 Nxe2 14. Bxe2 Kd7 15. 0-0 Kxc7 16. Nd2 Be7 17. Rad1 Bb7 18. Nf3 Rad8 19. Ne5 f6 20. Ng4 Bd6 21. Ne3 g6 22. Rd2 Bxh2+ 0-1

[Event "US Open-60"]
[Site "Omaha"]
[Date "1959.07.20"]
[Round "1"]
[White "Marchand, Erich Watkinson"]
[Black "Abram, Gary1111"]
[Result "1-0"]
[ECO "A09"]
[PlyCount "61"]
[EventDate "1959.07.20"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. e3 c5 4. b4 dxe3 5. fxe3 Bg4 6. bxc5 e5 7. Qa4+ Qd7 8. Qxd7+ Nxd7 9. d4 exd4 10. exd4 Bxf3 11. gxf3 g6 12. Nd2 Bg7 13. Nb3 Ne7 14. Be3 Nc6 15. Rd1 Nb4 16. Rd2 b6 17. a3 Nc6 18. Kf2 bxc5 19. d5 Nce5 20. Nxc5 Nxc5 21. Bxc5 Rc8 22. Bd4 0-0 23. c5 Rfd8 24. d6 Nd7 25. Be3 Nxc5 26. Rd5 Nb7 27. d7 Rc2+ 28. Kg3 Bf6 29. Ba6 Rc3 30. Re1 Rc7 31. Bh6 1-0

[Event "US Open-59"]
[Site "Rochester"]
[Date "1958.08.15"]
[Round "12"]
[White "Popel, Stephan A"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "A06"]
[PlyCount "69"]
[EventDate "1958.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 c5 3. Bb5+ Bd7 4. Qe2 Nc6 5. 0-0 g6 6. Nc3 Nf6 7. d3 Bg7 8. Bxc6 Bxc6 9. Ne5 Qc7 10. Nxc6 Qxc6 11. e4 d4 12. Nb1 e5 13. Nd2 b5 14. a4 bxa4 15. Nc4 Nd7 16. f4 f6 17. fxe5 Nxe5 18. Nxe5 fxe5 19. c3 Rf8 20. Qc2 Rxf1+ 21. Kxf1 dxc3 22. Qxc3 Rd8 23. Be3 Qb5 24. Qc4 Qxc4 25. dxc4 Bf8 26. Rxa4 Rd7 27. Ra6 Rb7 28. Re6+ Kf7 29. Rxe5 Rxb2 30. Bxc5 Bxc5 31. Rxc5 Ra2 32. Rc7+ Kg8 33. c5 Ra4 34. c6 a5 35. Rd7 1-0

[Event "US Open-59"]
[Site "Rochester"]
[Date "1958.08.13"]
[Round "10"]
[White "Marchand, Erich Watkinson"]
[Black "Koelsche, Giles A"]
[Result "1-0"]
[ECO "A28"]
[PlyCount "93"]
[EventDate "1958.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Bxf2+ 6. Kxf2 Nxe5 7. d4 Ng6 8. e5 Ng8 9. g3 d6 10. exd6 Qxd6 11. Bg2 Qf6+ 12. Kg1 c6 13. Ne4 Qd8 14. c5 N8e7 15. Nd6+ Kf8 16. h4 h5 17. Bg5 Be6 18. Kh2 Qd7 19. Rf1 Nf5 20. d5 cxd5 21. Nxf5 Bxf5 22. Qxd5 Be6 23. Qxd7 Bxd7 24. Bxb7 Re8 25. c6 Be6 26. c7 f6 27. Be3 Ne5 28. Bxa7 Ng4+ 29. Kg1 Kf7 30. a4 Rhg8 31. Rac1 Ne5 32. Rc3 Nc4 33. c8Q Rxc8 34. Bxc8 Rxc8 35. b3 Ra8 36. Bd4 Nd2 37. Re1 Nxb3 38. Rc7+ Kg6 39. Ba7 Bg4 40. Rb1 Nd2 41. Rb8 Bf3 42. Rxa8 Bxa8 43. Bc5 Nf3+ 44. Kf2 Ne5 45. Bf8 Nf7 46. a5 f5 47. a6 1-0

[Event "US Open-59"]
[Site "Rochester"]
[Date "1958.08.12"]
[Round "9"]
[White "Henin, Charles"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "A09"]
[PlyCount "89"]
[EventDate "1958.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nf6 3. Bg2 d5 4. Nf3 d4 5. 0-0 Nc6 6. d3 e5 7. Na3 Be7 8. Nc2 0-0 9. Rb1 h6 10. Bd2 a5 11. a3 e4 12. Nfe1 exd3 13. exd3 a4 14. b4 axb3 15. Rxb3 Bd6 16. Qc1 Qc7 17. f4 Bf5 18. Qb2 Ra7 19. Nf3 Re8 20. Nh4 Bc8 21. Qc1 Kh7 22. Qd1 Bg4 23. Bf3 Qc8 24. Bxg4 Nxg4 25. Qf3 f5 26. Qd5 Bf8 27. Re1 Rxe1+ 28. Nxe1 Ne7 29. Qf3 Qc7 30. Nxf5 Nf6 31. Nxe7 Bxe7 32. g4 b6 33. g5 Ng8 34. Qe4+ Kh8 35. Nf3 Bd6 36. h4 Qf7 37. Kf2 b5 38. Rxb5 Rxa3 39. Rb7 Qh5 40. Kg3 hxg5 41. hxg5 Qh1 42. Rd7 Bb8 43. Qg6 Qh7 44. Qxh7+ Kxh7 45. Rd8 1-0

[Event "US Open-59"]
[Site "Rochester"]
[Date "1958.08.11"]
[Round "8"]
[White "Marchand, Erich Watkinson"]
[Black "Satterlee, Ray"]
[Result "1-0"]
[ECO "A28"]
[PlyCount "67"]
[EventDate "1958.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 d6 5. d4 Bg4 6. d5 Nd4 7. Be3 Nxf3+ 8. gxf3 Bh5 9. Be2 Bg6 10. Qa4+ Qd7 11. c5 Qxa4 12. Nxa4 Nh5 13. Bb5+ Kd8 14. Bd3 Nf4 15. Bxf4 exf4 16. Rc1 dxc5 17. Nxc5 Bxc5 18. Rxc5 Re8 19. 0-0 Re5 20. Rfc1 Rc8 21. Bf1 Kd7 22. Bh3+ f5 23. b4 Kd6 24. b5 h5 25. a4 Bh7 26. a5 b6 27. axb6 axb6 28. Rc6+ Kd7 29. Kf1 Kd8 30. Ke2 Re7 31. d6 Rd7 32. e5 g5 33. e6 Rg7 34. e7+ 1-0

[Event "US Open-59"]
[Site "Rochester"]
[Date "1958.08.09"]
[Round "6"]
[White "Marchand, Erich Watkinson"]
[Black "Theodorovich, Ivan"]
[Result "0-1"]
[ECO "A16"]
[PlyCount "97"]
[EventDate "1958.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 d6 4. e4 e5 5. d4 exd4 6. Nxd4 Bg7 7. h3 0-0 8. Be2 Re8 9. Qd3 Nbd7 10. Nb3 Ne5 11. Qc2 Be6 12. Nd5 Nfd7 13. 0-0 Nc5 14. Be3 b6 15. Rad1 Nxb3 16. axb3 f5 17. Nf4 Bd7 18. exf5 Bxf5 19. Qd2 Be4 20. Nd5 Nf7 21. Nc3 Bb7 22. Bd4 Bh6 23. f4 c5 24. Bf2 Qf6 25. Bg3 Bg7 26. Bf3 Bxf3 27. Rxf3 Rad8 28. Kh2 Nh6 29. Rd3 Re6 30. Re1 Rxe1 31. Qxe1 Nf5 32. Nd5 Qf7 33. Qd2 Re8 34. Bf2 h5 35. b4 Re4 36. b3 Kh7 37. g4 hxg4 38. hxg4 Nh6 39. Qd1 Qe6 40. Rh3 Kg8 41. Rg3 Re2 42. Kg1 Bd4 43. Nf6+ Kf7 44. f5 Bxf2+ 45. Kf1 gxf5 46. gxf5 Nxf5 47. Rg7+ Kxf6 48. Qxe2 Qxe2+ 49. Kxe2 0-1

[Event "US Open-59"]
[Site "Rochester"]
[Date "1958.08.08"]
[Round "5"]
[White "Mauer, George"]
[Black "Marchand, Erich Watkinson"]
[Result "0-1"]
[ECO "A09"]
[PlyCount "106"]
[EventDate "1958.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. e3 Nc6 4. exd4 Nxd4 5. Nxd4 Qxd4 6. Nc3 c6 7. d3 e5 8. Be3 Qd6 9. Be2 Bf5 10. 0-0 Nf6 11. d4 exd4 12. Qxd4 Qxd4 13. Bxd4 Be7 14. Rfe1 Be6 15. Bf3 Bxc4 16. Bxf6 gxf6 17. Re4 Be6 18. Bh5 Kf8 19. Rae1 f5 20. R4e2 Bf6 21. Na4 Rd8 22. Nc5 Bc8 23. g3 b6 24. Nb3 Kg7 25. Bf3 c5 26. Nc1 Ba6 27. Rc2 Rhe8 28. Rxe8 Rxe8 29. Ne2 Bg5 30. h4 Bd3 31. Rc3 Bxe2 32. hxg5 Bxf3 33. Rxf3 Kg6 34. Ra3 Re2 35. Rxa7 Rxb2 36. Kg2 b5 37. a3 c4 38. Rc7 Kxg5 39. Rxf7 Kg6 40. Rc7 Ra2 41. Rc5 Rb2 42. a4 bxa4 43. Rxc4 a3 44. Ra4 a2 45. Ra6+ Kg7 46. Kf3 Kf7 47. Kg2 Ke7 48. Kf3 Kd7 49. Kg2 Kc7 50. Ra7+ Kb6 51. Ra4 Kb5 52. Ra7 Kb4 53. Kf3 Rb3+ 0-1

[Event "US Open-58"]
[Site "Cleveland"]
[Date "1957.08.16"]
[Round "12"]
[White "Marchand, Erich Watkinson"]
[Black "Saidy, Anthony Fred"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "100"]
[EventDate "1957.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 g6 2. d4 Bg7 3. Nc3 Nf6 4. b3 c5 5. Nf3 d5 6. e3 Bg4 7. cxd5 0-0 8. Be2 Nxd5 9. Nxd5 Qxd5 10. 0-0 cxd4 11. Nxd4 Bxe2 12. Qxe2 Bxd4 13. exd4 Nc6 14. Bh6 Rfe8 15. Rad1 Nxd4 16. Qd2 e5 17. f4 Qc5 18. Kh1 Nf5 19. fxe5 Rxe5 20. Bf4 Re4 21. Rc1 Qd4 22. Qxd4 Nxd4 23. Bh6 Rae8 24. Rc7 R4e7 25. Rxe7 Rxe7 26. Rd1 f5 27. h3 Ne6 28. Bc1 Kf7 29. Ba3 Rc7 30. Rd2 Ng5 31. Kh2 Ke6 32. Rd6+ Ke5 33. Rd8 Ne4 34. Bf8 a6 35. a4 Ke6 36. Bb4 Rd7 37. Re8+ Kf7 38. Rb8 Ke6 39. Ba3 Nd2 40. b4 Nc4 41. Bc1 Nb6 42. a5 Nd5 43. Bd2 Ne7 44. Bg5 Nc6 45. Re8+ Kf7 46. Re2 Nxb4 47. g4 Nc6 48. Rf2 Rd5 49. Bd2 Nxa5 50. gxf5 gxf5 0-1

[Event "US Open-58"]
[Site "Cleveland"]
[Date "1957.08.15"]
[Round "11"]
[White "Collins, John William"]
[Black "Marchand, Erich Watkinson"]
[Result "1/2-1/2"]
[ECO "A08"]
[PlyCount "148"]
[EventDate "1957.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. 0-0 e5 5. d3 Be7 6. Nbd2 Nf6 7. e4 dxe4 8. dxe4 Qc7 9. c3 h6 10. Re1 Be6 11. Qe2 0-0 12. Nh4 Rfd8 13. Nf5 Bf8 14. Nf1 c4 15. h4 Na5 16. Nh2 b5 17. g4 Nh7 18. Be3 Nb7 19. Kh1 Bc5 20. Rg1 Bxe3 21. Nxe3 Nc5 22. Nd5 Qd6 23. Rad1 Nd3 24. Ne3 a5 25. Nf3 Qe7 26. Nf5 Qc5 27. Rgf1 Rd7 28. Kg1 f6 29. Rd2 Rad8 30. Rfd1 Nf8 31. h5 Kh7 32. Bf1 g6 33. hxg6+ Nxg6 34. Qe3 Qxe3 35. Nxe3 Ngf4 36. Bxd3 cxd3 37. Kh2 a4 38. a3 Rg8 39. Rg1 Rdg7 40. Ne1 h5 41. f3 hxg4 42. fxg4 Rh8 43. Rh1 Bxg4 44. Kg3+ Bh5+ 45. Kf2 Rd7 46. Nd5 Kg6 47. Nxf4+ exf4 48. Rxd3 Rhd8 49. Rhh3 f3 50. Rxd7 Rxd7 51. Nxf3 Bxf3 52. Rg3+ Kh5 53. Rxf3 Rd2+ 54. Ke3 Rxb2 55. Rxf6 Rb3 56. Kd4 Rxa3 57. Rf5+ Kg6 58. Rxb5 Kf7 59. Ra5 Ra1 60. c4 a3 61. Ke5 a2 62. Ra7+ Kf8 63. Ke6 Rc1 64. Rxa2 Rxc4 65. e5 Re4 66. Ra8+ Kg7 67. Kd6 Kf7 68. Ra7+ Ke8 69. Ke6 Kf8 70. Rc7 Re1 71. Rc6 Re2 72. Rc5 Re1 73. Rc8+ Kg7 74. Kd6 Kf7 1/2-1/2

[Event "US Open-58"]
[Site "Cleveland"]
[Date "1957.08.14"]
[Round "10"]
[White "Marchand, Erich Watkinson"]
[Black "Burger, Karl"]
[Result "1-0"]
[ECO "E94"]
[PlyCount "33"]
[EventDate "1957.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 d6 5. d4 0-0 6. Nc3 Nbd7 7. e4 e5 8. dxe5 dxe5 9. Be2 c6 10. 0-0 Re8 11. Qc2 Qc7 12. Rfd1 Nh5 13. b4 a5 14. a3 Nf4 15. Bf1 Nf8 16. h3 Qe7 17. c5 1-0

[Event "US Open-58"]
[Site "Cleveland"]
[Date "1957.08.13"]
[Round "9"]
[White "Bisguier, Arthur Bernard"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "B45"]
[PlyCount "99"]
[EventDate "1957.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. g3 Bb4 7. Bg2 d5 8. exd5 Nxd5 9. 0-0 Nxc3 10. bxc3 Bxc3 11. Nxc6 Qxd1 12. Rxd1 Bd7 13. Rb1 Bxc6 14. Bxc6+ bxc6 15. Ba3 a5 16. Kf1 Bb4 17. Bxb4 axb4 18. Rxb4 0-0 19. a4 g6 20. Ke2 c5 21. Rc4 Ra5 22. Rd7 Rc8 23. Rf4 f5 24. Rh4 h5 25. Rc4 e5 26. f3 e4 27. fxe4 Re8 28. Ke3 Kf8 29. Rd1 Kf7 30. Ra1 h4 31. gxh4 Ke6 32. Rb1 Kf7 33. Rb5 Ra6 34. Rbxc5 Ree6 35. h5 gxh5 36. Rxf5+ Kg6 37. a5 Ra8 38. Ra4 Raa6 39. h4 Rec6 40. c4 Rd6 41. Rb5 Ra8 42. Rd5 Rf6 43. Rg5+ Kh6 44. Rb4 Rf1 45. Rb6+ Kh7 46. Rxh5+ Kg7 47. Rd5 Re1+ 48. Kd4 Rd1+ 49. Ke5 Re8+ 50. Re6 1-0

[Event "US Open-58"]
[Site "Cleveland"]
[Date "1957.08.12"]
[Round "8"]
[White "Marchand, Erich Watkinson"]
[Black "Brandts, Paul"]
[Result "1-0"]
[ECO "E60"]
[PlyCount "79"]
[EventDate "1957.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 g6 2. d4 Nf6 3. Nf3 Bg7 4. b3 0-0 5. Bb2 d5 6. g3 e6 7. Bg2 Ne4 8. 0-0 Nd7 9. Na3 c6 10. Nc2 b6 11. cxd5 exd5 12. Nb4 Bb7 13. Nd3 Rc8 14. Rc1 Qe7 15. Rc2 c5 16. dxc5 bxc5 17. Bxg7 Kxg7 18. Nf4 Nb6 19. Qa1+ f6 20. Bh3 Rc6 21. Rd1 Rd6 22. Nd3 d4 23. b4 c4 24. Nc5 d3 25. exd3 Nxc5 26. bxc5 Rxd3 27. cxb6 Bxf3 28. Re1 Qc5 29. Bf1 Rd4 30. Qc3 Be4 31. Rce2 Bc6 32. Re7+ Rf7 33. bxa7 Qd5 34. f3 Rxe7 35. Rxe7+ Kh6 36. Qe3+ g5 37. Re6 Bd7 38. Rxf6+ Kh5 39. g4+ Bxg4 40. Qe8+ 1-0

[Event "US Open-58"]
[Site "Cleveland"]
[Date "1957.08.11"]
[Round "7"]
[White "McLain, G."]
[Black "Marchand, Erich Watkinson"]
[Result "0-1"]
[ECO "A03"]
[PlyCount "78"]
[EventDate "1957.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 c5 3. g3 Nc6 4. Bg2 d4 5. 0-0 Nf6 6. d3 g6 7. e4 Bg7 8. h3 0-0 9. Nbd2 Nh5 10. Kh2 e5 11. f5 Qc7 12. Ne1 Bd7 13. Bf3 Nf6 14. g4 gxf5 15. gxf5 Bxf5 16. exf5 e4+ 17. Kh1 exf3 18. Qxf3 Ne5 19. Qg2 Kh8 20. Ne4 Nxe4 21. Qxe4 Qb6 22. Bg5 f6 23. Bc1 Rae8 24. Ng2 c4 25. dxc4 Nxc4 26. Qf4 Re2 27. b3 Qc6 28. Rf2 Re4 29. Qf3 Ne5 30. Qh5 d3 31. cxd3 Re1+ 32. Kh2 Rxc1 33. Rxc1 Qxc1 34. Nf4 Qe3 35. Rf1 Rc8 36. Ne6 Qd2+ 37. Kh1 Qxd3 38. Rg1 Qe4+ 39. Rg2 Nf3 0-1

