PlaySudoku.us
Hard · Puzzle #135
1
7
4
3
6
1
8
2
4
7
2
5
3
9
1
8
3
4
7
4
9
7
4
1
6
8
5
6
9
Practice solving puzzles at a difficulty level where you succeed 90% of the time. That's the zone of maximum skill growth.
Practice solving puzzles at a difficulty level where you succeed 90% of the time. That's the zone of maximum skill growth.
"I don't believe in psychology. I believe in good moves." — Bobby Fischer
"I don't believe in psychology. I believe in good moves." — Bobby Fischer