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Expert · Puzzle #569
5
1
8
6
4
7
9
2
2
7
6
2
8
1
5
6
8
1
3
6
1
7
4
5
4
3
"When you see a good move, look for a better one." — Emanuel Lasker
"When you see a good move, look for a better one." — Emanuel Lasker
"What is a proof? It is a demonstration that a statement is necessarily true — a guarantee that no exception can exist." — Henri Poincaré
"What is a proof? It is a demonstration that a statement is necessarily true — a guarantee that no exception can exist." — Henri Poincaré