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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Keres vs Unzicker |
| ½-½ | 20 |
1956 |
Moskva ol (12.09.56) | C86 Ruy Lopez, Worrall Attack |
| 2. Keres vs Unzicker |
| ½-½ | 38 |
1960 |
Hamburg FRG-SU (01.08.60) | C86 Ruy Lopez, Worrall Attack |
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Secrets of Opening Surprises
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