PlaySudoku.us
Expert · Puzzle #823
1
9
7
6
2
5
8
3
6
5
1
2
3
9
5
8
9
5
6
1
4
8
7
"Even the laziest king flees wildly in the face of a double check!" — Aaron Nimzowitsch
"Even the laziest king flees wildly in the face of a double check!" — Aaron Nimzowitsch
"One cannot escape the feeling that these mathematical formulas have an independent existence and an intelligence of their own." — Heinrich Hertz
"One cannot escape the feeling that these mathematical formulas have an independent existence and an intelligence of their own." — Heinrich Hertz