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Hard · Puzzle #176
9
3
7
7
9
6
7
1
2
6
3
9
1
4
6
2
7
3
5
2
8
1
6
8
3
2
"I have added these principles to the law: get the knights into action before both bishops are developed." — José Raúl Capablanca
"I have added these principles to the law: get the knights into action before both bishops are developed." — José Raúl Capablanca
"My brain is open." — Paul Erdős
"My brain is open." — Paul Erdős