Bound History

Instance XL-n2168-k138 (Set XL)

Plot

Value Status Reported By Timestamp Solution
$127{,}188$ BKS
Reported by Shiyao Bian (Independent Researcher), using an intelligent decompose-and-intensify matheuristic built around HGS-CVRP.
2026/10/22 00:00:00
$127{,}190$
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
$127{,}210$
Team: Sub-Appro
From CVRP BKS Challenge.
2026/02/11 00:53:52
$127{,}217$
Team: Sub-Appro
From CVRP BKS Challenge.
2026/01/19 11:17:46
$127{,}222$
Team: Sub-Appro
From CVRP BKS Challenge.
2026/01/17 14:06:05
$127{,}256$
From CVRP BKS Challenge.
2026/01/17 09:16:04
$127{,}294$
From CVRP BKS Challenge.
2026/01/17 02:36:41
$127{,}296$
From CVRP BKS Challenge.
2026/01/16 13:43:18
$127{,}297$
From CVRP BKS Challenge.
2026/01/15 23:30:04
$127{,}298$
From literature until 2025.
2025/12/31 00:00:00