| page 1 of 1; 13 games |
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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Breyer vs Gruenfeld |
| 1-0 | 20 |
1920 |
Vienna AUT | C84 Ruy Lopez, Closed |
| 2. A Olsson vs Gruenfeld |
| ½-½ | 60 |
1920 |
Goteborg B | C97 Ruy Lopez, Closed, Chigorin |
| 3. Tarrasch vs Gruenfeld |
| ½-½ | 23 |
1922 |
Bad Pistyan it, CZE | C84 Ruy Lopez, Closed |
| 4. Reti vs Gruenfeld |
| ½-½ | 48 |
1922 |
13, Teplitz-Schonau it GER | C86 Ruy Lopez, Worrall Attack |
| 5. O Chajes vs Gruenfeld |
 | 0-1 | 120 |
1923 |
Karlsbad | C88 Ruy Lopez |
| 6. K Emmrich vs Gruenfeld |
| 0-1 | 43 |
1923 |
23. DSB Kongress | C88 Ruy Lopez |
| 7. G A Thomas vs Gruenfeld |
| 0-1 | 100 |
1925 |
Baden-Baden | C98 Ruy Lopez, Closed, Chigorin |
| 8. Yates vs Gruenfeld |
| 0-1 | 41 |
1925 |
Marienbad | C88 Ruy Lopez |
| 9. Yates vs Gruenfeld |
| 1-0 | 31 |
1925 |
Baden-Baden | C88 Ruy Lopez |
| 10. L Steiner vs Gruenfeld |
| ½-½ | 26 |
1933 |
Olympiad | C88 Ruy Lopez |
| 11. G A Thomas vs Gruenfeld |
| 0-1 | 47 |
1934 |
Ujpest | C84 Ruy Lopez, Closed |
| 12. D Andric vs Gruenfeld |
| ½-½ | 40 |
1952 |
Belgrade | C98 Ruy Lopez, Closed, Chigorin |
| 13. C B Van den Berg vs Gruenfeld |
| ½-½ | 34 |
1961 |
Hoogovens | C94 Ruy Lopez, Closed, Breyer Defense |
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Secrets of Opening Surprises
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