Black to move
| Date: | 1956 |
| White: | NN |
| Black: | XY |
| Combination strength: | 5 |
| Game section | Endgame |
| Decisive material advantage | Double attack |
| Mate combination | - |
| Date: | 1956 |
| White: | NN |
| Black: | XY |
| Combination strength: | 5 |
| Game section | Endgame |
| Decisive material advantage | Double attack |
| Mate combination | - |