Boxline Daily endgame — 2026-09-18
A verified 4×4-box endgame with 9 edges left. Player 1 must secure a win or draw.
- Puzzle ID
- daily-v2:2026-09-18:bx1-6d3f4b39
- Board size
- 4×4
- Player to move
- 1
- Initial score
- 6–0
- Remaining legal edges
- 9
- Objective
- Win or draw
- Difficulty
- challenging
Starting position
This position is exact-validated because no more than 12 edges remain. Analysis is shown only after the challenge is completed.
Show the compact replay edge list
Technical edge list
[["v:2:0",0],["h:3:3",1],["v:3:1",0],["h:4:1",1],["v:2:4",0],["h:4:2",1],["v:2:1",0],["v:3:4",1],["v:0:1",0],["v:0:0",1],["v:1:0",0],["v:0:2",1],["h:0:1",0],["v:1:3",1],["h:1:0",0],["v:1:1",1],["h:0:2",0],["h:3:0",1],["h:4:3",0],["v:1:4",1],["h:0:0",0],["h:2:1",0],["h:1:3",1],["h:0:3",0],["h:2:2",1],["h:2:0",0],["v:3:3",0],["h:1:1",0],["v:3:0",0],["v:0:4",1],["h:4:0",0]]