Pro Tip

A hidden pair in a row is often invisible until you track each digit separately through that row.

Pro Tip
✓ Completed! 👍
9
4
1
3
3
7
1
8
2
4
9
1
5
6
5
3
2
5
1
9
1
5
8
4
3
6
Chess Wisdom

"In chess, as in life, the winner is the one who makes the next-to-last mistake." — Savielly Tartakower

Chess Wisdom