IVANS
| Date | Clue |
|---|---|
| 2021-11-26 | Several Russian czars |
| 2018-02-11 | Several Russian czars |
| 2014-11-17 | Two Romanov czars |
| 2012-08-08 | Several Russian czars |
| 2006-03-12 | Several czars |
| 2006-01-30 | Several Russian czars |
| 2003-12-25 | Several czars |
| 2001-09-16 | Several czars |
| 2001-07-02 | Several Russian czars |
| 2000-07-21 | Six Russian czars and grand dukes |
| 1998-11-13 | Three czars |
| 1998-04-14 | Pavlov and Lendl |
| 1994-01-21 | Russian Johns |