PlaySudoku.us
Expert · Puzzle #165
9
7
2
2
4
5
8
9
1
4
3
6
1
9
1
9
8
3
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5
2
8
7
9
6
"In chess, as in life, the winner is the one who makes the next-to-last mistake." — Savielly Tartakower
"In chess, as in life, the winner is the one who makes the next-to-last mistake." — Savielly Tartakower
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.