PlaySudoku.us
Medium · Puzzle #415
6
9
1
4
6
3
7
2
5
8
3
9
2
8
5
6
3
7
6
7
5
8
3
2
2
1
4
9
9
5
8
7
8
2
6
3
1
"Chess demands total concentration." — Bobby Fischer
"Chess demands total concentration." — Bobby Fischer
Take breaks. A fresh pair of eyes often spots the move you missed after staring at the board for too long.
Take breaks. A fresh pair of eyes often spots the move you missed after staring at the board for too long.