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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Olland vs D Bleykmans |
| 1-0 | 63 |
1901 |
Haarlem | C87 Ruy Lopez |
| 2. Olland vs Von Bardeleben |
| 1-0 | 80 |
1902 |
Hanover | C84 Ruy Lopez, Closed |
| 3. Olland vs H Wolf |
| 1-0 | 33 |
1902 |
Hanover | C79 Ruy Lopez, Steinitz Defense Deferred |
| 4. Olland vs H E Atkins |
| 0-1 | 46 |
1902 |
Hanover | C70 Ruy Lopez |
| 5. Olland vs J N Berger |
 | 1-0 | 47 |
1907 |
Carlsbad it, CZE | C87 Ruy Lopez |
| 6. Olland vs E Cohn |
| 1-0 | 45 |
1907 |
Carlsbad it, CZE | C87 Ruy Lopez |
| 7. Olland vs Tartakower |
 | 0-1 | 36 |
1907 |
Carlsbad it, CZE | C63 Ruy Lopez, Schliemann Defense |
| 8. Olland vs Schlechter |
 | 0-1 | 26 |
1907 |
Carlsbad it, CZE | C88 Ruy Lopez |
| 9. Olland vs Leonhardt |
| 0-1 | 43 |
1907 |
Carlsbad it, CZE | C67 Ruy Lopez |
| 10. Olland vs Teichmann |
 | ½-½ | 54 |
1907 |
Carlsbad it, CZE | C88 Ruy Lopez |
| 11. Olland vs B Leussen |
| 0-1 | 37 |
1909 |
NED-ch | C79 Ruy Lopez, Steinitz Defense Deferred |
| 12. Olland vs Alekhine |
 | 0-1 | 37 |
1913 |
Scheveningen, #18 | C61 Ruy Lopez, Bird's Defense |
| 13. Olland vs M Marchand |
| 0-1 | 63 |
1919 |
Hastings | C66 Ruy Lopez |
| 14. Olland vs Wahltuch |
| 1-0 | 41 |
1919 |
Hastings | C87 Ruy Lopez |
| 15. Olland vs A G Conde |
| 1-0 | 38 |
1919 |
Hastings | C88 Ruy Lopez |
| 16. Olland vs G A Thomas |
| ½-½ | 38 |
1919 |
Hastings | C62 Ruy Lopez, Old Steinitz Defense |
| 17. Olland vs Gruenfeld |
 | ½-½ | 57 |
1920 |
Goteborg B | C77 Ruy Lopez |
| 18. Olland vs Euwe |
| 1-0 | 30 |
1920 |
Amsterdam | C66 Ruy Lopez |
| 19. Olland vs Euwe |
 | 1-0 | 41 |
1920 |
Goteborg B | C83 Ruy Lopez, Open |
| 20. Olland vs Euwe |
 | 1-0 | 34 |
1920 |
Amsterdam | C66 Ruy Lopez |
| 21. Olland vs H Von Hennig |
 | 1-0 | 27 |
1920 |
Goteborg B | C66 Ruy Lopez |
| 22. Olland vs Euwe |
| 0-1 | 34 |
1920 |
Amsterdam | C66 Ruy Lopez |
| 23. Olland vs A Olsson |
| 0-1 | 46 |
1920 |
Goteborg B | C83 Ruy Lopez, Open |
| 24. Olland vs Euwe |
| 0-1 | 41 |
1920 |
Amsterdam | C66 Ruy Lopez |
| 25. Olland vs A Larsson |
| ½-½ | 30 |
1920 |
Goteborg B | C83 Ruy Lopez, Open |
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| page 1 of 2; games 1-25 of 30 |
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Secrets of Opening Surprises
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