| page 1 of 2; games 1-25 of 34 |
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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Loman vs Duras |
 | 0-1 | 39 |
1903 |
Hilversum | C88 Ruy Lopez |
| 2. J W Te Kolste vs Duras |
 | 0-1 | 61 |
1903 |
Hilversum | C88 Ruy Lopez |
| 3. C Trimborn vs Duras |
| 0-1 | 25 |
1903 |
Hilversum | C68 Ruy Lopez, Exchange |
| 4. W Meiners vs Duras |
| ½-½ | 57 |
1903 |
Hilversum | C96 Ruy Lopez, Closed |
| 5. V Petzold vs Duras |
 | 0-1 | 18 |
1905 |
Barmen Main A, GER | C77 Ruy Lopez |
| 6. E Cohn vs Duras |
 | 0-1 | 43 |
1905 |
Barmen Main A, GER | C88 Ruy Lopez |
| 7. Gajdos vs Duras |
| 0-1 | 59 |
1905 |
Barmen Main A, GER | C88 Ruy Lopez |
| 8. G Marco vs Duras |
| 1-0 | 63 |
1907 |
Ostende-B | C84 Ruy Lopez, Closed |
| 9. G Schories vs Duras |
| 0-1 | 43 |
1907 |
Ostende-B | C88 Ruy Lopez |
| 10. H Wolf vs Duras |
 | 1-0 | 168 |
1907 |
Carlsbad it, CZE | C77 Ruy Lopez |
| 11. Maroczy vs Duras |
| ½-½ | 51 |
1908 |
Prague | C88 Ruy Lopez |
| 12. Von Bardeleben vs Duras |
 | 1-0 | 43 |
1908 |
Prague | C88 Ruy Lopez |
| 13. Prokes vs Duras |
| 0-1 | 40 |
1908 |
Prague | C84 Ruy Lopez, Closed |
| 14. Alapin vs Duras |
| 0-1 | 39 |
1908 |
Vienna | C77 Ruy Lopez |
| 15. H Suechting vs Duras |
 | 0-1 | 31 |
1908 |
Vienna | C91 Ruy Lopez, Closed |
| 16. Leonhardt vs Duras |
| ½-½ | 86 |
1909 |
Gothenburg-A | C84 Ruy Lopez, Closed |
| 17. Teichmann vs Duras |
| 0-1 | 26 |
1909 |
St. Petersburg (Russia) | C88 Ruy Lopez |
| 18. Teichmann vs Duras |
 | 0-1 | 36 |
1910 |
Hamburg (Germany) | C83 Ruy Lopez, Open |
| 19. J Esser vs Duras |
 | 0-1 | 57 |
1910 |
Amsterdam m | C68 Ruy Lopez, Exchange |
| 20. Spielmann vs Duras |
| ½-½ | 49 |
1910 |
Hamburg (Germany) | C88 Ruy Lopez |
| 21. A Speyer vs Duras |
 | 0-1 | 45 |
1910 |
Hamburg (Germany) | C62 Ruy Lopez, Old Steinitz Defense |
| 22. H Suechting vs Duras |
| 1-0 | 49 |
1911 |
Karlsbad | C88 Ruy Lopez |
| 23. J Dobias vs Duras |
 | 0-1 | 45 |
1911 |
Plzen | C84 Ruy Lopez, Closed |
| 24. Spielmann vs Duras |
| ½-½ | 47 |
1912 |
San | C92 Ruy Lopez, Closed |
| 25. Alapin vs Duras |
| ½-½ | 34 |
1912 |
Bad Pistyan it, CZE | C77 Ruy Lopez |
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| page 1 of 2; games 1-25 of 34 |
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Secrets of Opening Surprises
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