WEEKLY CHALLENGE · Closed

Consecutive dominoes in a square

This week has settled; the standings and scores below are final.

2026-10-25 — 2026-11-01In play: 41 sub-problemsGo to the problem →

Champion of the week

condor#33822 records

Final standings

#NameRecords held

01condor#33822

02qiboqi#28014

03CCHES#414

04NUE_13#311

Sub-problem by sub-problem

Sub-problemAt the startAt the close

n = 1unheldqiboqichanged hands

n = 10unheldqiboqichanged hands

n = 11unheldqiboqichanged hands

n = 12unheldqiboqichanged hands

n = 13unheldqiboqichanged hands

n = 14unheldqiboqichanged hands

n = 15unheldNUE_13changed hands

n = 16unheldCCHESchanged hands

n = 17unheldCCHESchanged hands

n = 18unheldCCHESchanged hands

n = 19unheldCCHESchanged hands

n = 2unheldqiboqichanged hands

n = 20unheldcondorchanged hands

n = 21unheldcondorchanged hands

n = 22unheldcondorchanged hands

n = 23unheldcondorchanged hands

n = 24unheldcondorchanged hands

n = 25unheldcondorchanged hands

n = 26unheldcondorchanged hands

n = 27unheldcondorchanged hands

n = 28unheldcondorchanged hands

n = 29unheldcondorchanged hands

n = 3unheldqiboqichanged hands

n = 30unheldcondorchanged hands

n = 31unheldcondorchanged hands

n = 32unheldcondorchanged hands

n = 33unheldcondorchanged hands

n = 34unheldcondorchanged hands

n = 35unheldcondorchanged hands

n = 36unheldcondorchanged hands

n = 37unheldcondorchanged hands

n = 38unheldcondorchanged hands

n = 39unheldcondorchanged hands

n = 4unheldqiboqichanged hands

n = 40unheldcondorchanged hands

n = 41unheldcondorchanged hands

n = 5unheldqiboqichanged hands

n = 6unheldqiboqichanged hands

n = 7unheldqiboqichanged hands

n = 8unheldqiboqichanged hands

n = 9unheldqiboqichanged hands