| 2025-04-17 | Plot problems |
| 2024-11-04 | 18 on a golf course |
| 2022-02-18 | Green features |
| 2022-01-02 | Plot problems |
| 2020-08-21 | 17 and 18, but not 19 or 20 |
| 2016-08-08 | What colanders and Swiss cheese both have |
| 2016-04-22 | Bad things to find in theories |
| 2014-11-09 | Extremely attractive bodies |
| 2013-03-24 | What darners darn |
| 2011-12-30 | Problems with an argument |
| 2011-01-31 | Targets of golf greens |
| 2009-03-03 | They may be punched |
| 2008-05-08 | Logical flaws |
| 2005-10-24 | The 18 in a round of 18 |
| 2003-05-23 | Swiss features |
| 2003-03-18 | Bagel centers |
| 2002-02-04 | Belt features |
| 2001-01-22 | Problems with theories |
| 1997-09-29 | 18 on a golf course |
| 1996-07-14 | See 36-Down |
| 1995-02-23 | Pits |
| 1994-08-14 | Golfer's goals |
| 1993-12-12 | Result of riddling |