Bound History

Instance XL-n2821-k208 (Set XL)

Plot

Value Status Reported By Timestamp Solution
$216{,}603$ BKS
Reported by Shiyao Bian (Independent Researcher), using an intelligent decompose-and-intensify matheuristic built around HGS-CVRP.
2026/10/22 00:00:00
$216{,}613$
Improved solution reported by Qianlong Wang, Wenhui Bai, Zengle Ge, Huaiming Li and Annan Li (Famou Agent Team, Baidu AI Cloud), using a decomposition-based improvement heuristic.
2026/09/11 00:00:00
$216{,}622$
From CVRP BKS Challenge.
2026/02/05 15:39:01
$216{,}624$
From CVRP BKS Challenge.
2026/02/04 09:08:03
$216{,}626$
From CVRP BKS Challenge.
2026/02/03 13:22:45
$216{,}629$
From CVRP BKS Challenge.
2026/01/29 01:44:34
$216{,}630$
From CVRP BKS Challenge.
2026/01/20 05:43:50
$216{,}664$
Team: TQrouting
From CVRP BKS Challenge.
2026/01/14 15:57:16
$216{,}665$
Team: TQrouting
From CVRP BKS Challenge.
2026/01/14 14:34:42
$216{,}669$
Team: TQrouting
From CVRP BKS Challenge.
2026/01/14 13:42:53
$216{,}670$
Team: TQrouting
From CVRP BKS Challenge.
2026/01/14 13:08:24
$216{,}672$
Team: TQrouting
From CVRP BKS Challenge.
2026/01/14 12:06:54
$216{,}677$
Team: TQrouting
From CVRP BKS Challenge.
2026/01/14 10:41:25
$216{,}697$
Team: TQrouting
From CVRP BKS Challenge.
2026/01/14 08:24:21
$216{,}734$
Team: TQrouting
From CVRP BKS Challenge.
2026/01/14 04:13:05
$216{,}763$
From literature until 2025.
2025/12/31 00:00:00