| Date (d,m,y) | Contributor | Objective |
|---|---|---|
| 9 - 1 - 2006 | Di Gaspero and Schaerf | (0, 361878) |
| 10 - 1 - 2006 | Langford | (0, 353927) |
| 16 - 2 - 2006 | Di Gaspero and Schaerf | (0, 352947) |
| 24 - 4 - 2006 | Langford | (0, 350256) |
| 25 - 4 - 2006 | Langford | (0, 346324) |
| 30 - 5 - 2007 | Van Hentenryck and Vergados | (0, 332041) |
| 9 - 10 - 2019 | David Van Bulck, Circular TSP complemented with Anagnostopoulos SA algorithm implemented by Luigi Gianni | (0, 384797) |
| Date (d,m,y) | Contributor | Objective |
|---|---|---|
| 15 - 7 - 2006 | Melo, Ribeiro, Urrutia | (0, 316721) |