Bound History

Instance XL-n3975-k687 (Set XL)

Plot

Value Status Reported By Timestamp Solution
$525{,}555$ BKS
Reported by Shiyao Bian (Independent Researcher), using an intelligent decompose-and-intensify matheuristic built around HGS-CVRP.
2026/10/22 00:00:00
$525{,}558$
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
$525{,}560$
Team: TQrouting
From CVRP BKS Challenge.
2026/02/11 06:02:44
$525{,}561$
Team: TQrouting
From CVRP BKS Challenge.
2026/02/10 22:50:10
$525{,}563$
Team: TQrouting
From CVRP BKS Challenge.
2026/02/10 19:14:29
$525{,}566$
Team: TQrouting
From CVRP BKS Challenge.
2026/02/10 16:26:09
$525{,}578$
From CVRP BKS Challenge.
2026/02/10 01:39:07
$525{,}592$
From CVRP BKS Challenge.
2026/02/06 06:43:24
$525{,}599$
From CVRP BKS Challenge.
2026/02/05 15:39:14
$525{,}605$
From CVRP BKS Challenge.
2026/02/05 01:26:25
$525{,}616$
From CVRP BKS Challenge.
2026/01/29 07:38:27
$525{,}652$
From CVRP BKS Challenge.
2026/01/29 01:44:49
$525{,}653$
From CVRP BKS Challenge.
2026/01/28 12:29:58
$525{,}654$
Team: TQrouting
From CVRP BKS Challenge.
2026/01/22 18:25:53
$525{,}656$
Team: TQrouting
From CVRP BKS Challenge.
2026/01/22 16:55:56
$525{,}659$
Team: TQrouting
From CVRP BKS Challenge.
2026/01/22 13:39:46
$525{,}661$
Team: TQrouting
From CVRP BKS Challenge.
2026/01/22 11:41:50
$525{,}663$
Team: Sub-Appro
From CVRP BKS Challenge.
2026/01/21 05:29:16
$525{,}673$
From CVRP BKS Challenge.
2026/01/21 02:58:02
$525{,}681$
From CVRP BKS Challenge.
2026/01/20 13:18:25
$525{,}693$
From CVRP BKS Challenge.
2026/01/20 02:46:18
$525{,}719$
From CVRP BKS Challenge.
2026/01/19 14:37:47
$525{,}733$
From CVRP BKS Challenge.
2026/01/18 21:54:44
$525{,}734$
From CVRP BKS Challenge.
2026/01/17 20:55:49
$525{,}739$
From CVRP BKS Challenge.
2026/01/17 11:18:08
$525{,}755$
Team: TQrouting
From CVRP BKS Challenge.
2026/01/14 16:06:01
$525{,}762$
Team: TQrouting
From CVRP BKS Challenge.
2026/01/14 14:43:03
$525{,}764$
Team: TQrouting
From CVRP BKS Challenge.
2026/01/14 13:54:16
$525{,}771$
Team: TQrouting
From CVRP BKS Challenge.
2026/01/14 13:21:27
$525{,}810$
Team: TQrouting
From CVRP BKS Challenge.
2026/01/14 05:29:36
$525{,}823$
From CVRP BKS Challenge.
2026/01/14 01:56:06
$525{,}827$
From CVRP BKS Challenge.
2026/01/13 12:37:11
$525{,}857$
From CVRP BKS Challenge.
2026/01/13 11:42:37
$525{,}895$
From CVRP BKS Challenge.
2026/01/13 08:27:53
$525{,}901$
From literature until 2025.
2025/12/31 00:00:00