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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Duras vs Z von Balla |
| 1-0 | 45 |
1912 |
DSB-18.Kongress | D63 Queen's Gambit Declined, Orthodox Defense |
| 2. Duras vs Marshall |
 | 1-0 | 65 |
1912 |
DSB Kongress XVIII | D63 Queen's Gambit Declined, Orthodox Defense |
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Secrets of Opening Surprises
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