[Event "USCF corr"]
[Site "USA"]
[Date "1990.??.??"]
[Round "?"]
[White "Sawyer, Timothy E"]
[Black "Estenger, Otto"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "39"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 e6 7. g4 Bg6 8. Qf3 c6 9. g5 Nfd7 10. Nxg6 hxg6 11. Bd3 Bb4 12. 0-0 Rf8 13. Ne4 Nb6 14. c3 Be7 15. Bd2 Qd5 16. Rae1 N8d7 17. Bf4 0-0-0 18. Nd6+ Bxd6 19. Qxd5 exd5 20. Bxd6 1-0

[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "4"]
[White "Estenger, Otto"]
[Black "Kevitz, Alexander"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "90"]
[EventDate "1972.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Nc6 4. d4 Bf5 5. 0-0 e6 6. c4 dxc4 7. Qa4 Nd7 8. Qxc4 Nb6 9. Qb3 Be7 10. Nc3 0-0 11. Qd1 Bf6 12. e3 Qd7 13. b3 Nb4 14. Ba3 a5 15. Ne5 Bxe5 16. dxe5 Bd3 17. Re1 Rfd8 18. Ne4 Nc2 19. Nc5 Qb5 20. Nxd3 Qxd3 21. Be7 Nxe1 22. Bxd8 Qxd1 23. Rxd1 Nxg2 24. Kxg2 Nd5 25. Bg5 h6 26. e4 Nc3 27. Rd8+ Rxd8 28. Bxd8 Nxa2 29. Bxc7 Nc1 30. Bxa5 Nxb3 31. Bb4 Nc1 32. Bd6 f6 33. exf6 gxf6 34. Bf4 Nd3 35. Bxh6 b5 36. Kf1 b4 37. Ke2 Nc5 38. f3 b3 39. Kd2 b2 40. Kc2 Nd3 41. Bd2 Ne5 42. f4 Nc4 43. Bc3 Kf7 44. h3 Nd6 45. Bxb2 Nxe4 1/2-1/2

[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "11"]
[White "Estenger, Otto"]
[Black "Mengarini, Ariel"]
[Result "0-1"]
[ECO "B28"]
[PlyCount "74"]
[EventDate "1972.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 a6 2. e4 c5 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Qd3 Nc6 8. Bd2 0-0 9. 0-0-0 a5 10. Kb1 a4 11. Nc1 b6 12. f3 a3 13. b3 Nd4 14. Nb5 Bc5 15. Nxd4 exd4 16. c4 dxc3 17. Bxc3 d5 18. e5 Nh5 19. Qxd5 Bf5+ 20. Ka1 Qg5 21. h4 Qg3 22. Be1 Qf4 23. Nd3 Bd4+ 24. Kb1 Rfd8 25. Qb5 Bxe5 26. Bf2 Bd4 27. g4 Qxf3 28. Bg2 Bxd3+ 29. Qxd3 Qxg2 30. Bxd4 Nf4 31. Qe3 Qxg4 32. Rhg1 Qf5+ 33. Ka1 Ne6 34. Rdf1 Nxd4 35. Qg3 Nc2+ 36. Kb1 Rd1+ 37. Rxd1 Ne3+ 0-1

[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "5"]
[White "Kramer, George Mortimer"]
[Black "Estenger, Otto"]
[Result "1-0"]
[ECO "B85"]
[PlyCount "69"]
[EventDate "1972.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. Be3 Nc6 9. f4 Qc7 10. Qd2 0-0 11. Rae1 Nxd4 12. Bxd4 e5 13. Be3 Be6 14. f5 Bc4 15. Bxc4 Qxc4 16. b3 Qc7 17. Bg5 Rac8 18. Bxf6 Bxf6 19. Nd5 Qc5+ 20. Kh1 Kh8 21. c4 Rg8 22. Rf3 Bd8 23. Rh3 f6 24. Qe2 g6 25. fxg6 Rxg6 26. Qh5 Rg7 27. Qe8+ Rg8 28. Qf7 Rg7 29. Rxh7+ Kxh7 30. Qh5+ Kg8 31. Qe8+ Kh7 32. Re3 Rg5 33. Rh3+ Kg7 34. Qh8+ Kf7 35. Rh7+ 1-0

