| Year | Method | Pope | % Correct |
|---|---|---|---|
| 882 | Poisoned and clubbed | John VIII | 89%
|
| 928 | Smothered with a pillow | John X | 89%
|
| 964 | Probably beaten | John XII | 89%
|
| 984 | Poisoned | John XIV | 89%
|
| 974 | Strangled | Benedict VI | 61%
|
| 904 | Strangled | Leo V | 50%
|
| 897 | Strangled | Stephen VI | 29%
|