Boxline

Boxline Daily endgame — 2026-08-28

A verified 4×4-box endgame with 9 edges left. Player 1 must secure a win or draw.

Puzzle ID
daily-v2:2026-08-28:bx1-ad84ee28
Board size
4×4
Player to move
1
Initial score
9–1
Remaining legal edges
9
Objective
Win or draw
Difficulty
challenging

Starting position

4×4 boxes, 9 legal edges remain. Ivory marks belong to Player 1 and coral marks belong to Player 2.

This position is exact-validated because no more than 12 edges remain. Analysis is shown only after the challenge is completed.

Play this exact endgame

Show the compact replay edge list

Technical edge list

[["h:4:0",0],["v:0:2",1],["v:3:1",0],["v:2:1",1],["h:2:2",0],["v:3:4",1],["h:2:0",0],["h:4:1",1],["v:0:4",0],["v:2:0",1],["h:1:1",0],["h:1:2",1],["h:3:0",0],["h:0:1",0],["h:2:1",1],["v:1:0",0],["v:2:3",1],["h:0:2",0],["h:0:3",1],["v:1:1",0],["h:1:0",1],["v:1:3",1],["v:1:2",0],["v:0:0",0],["v:1:4",1],["v:0:3",0],["h:0:0",0],["h:2:3",1],["v:0:1",0],["v:3:0",0],["h:1:3",0]]