Find the decisive blow (difficulty 1680)
Black to move
Show solution
- e6–e7 key move
- f7–e7
- d7–e7
What makes it
A rook move and a 5-point investment: mate in 13. A quiet move, soft as anything, and yet there is no reply. It calculates 25 plies deep.
Black to move
A rook move and a 5-point investment: mate in 13. A quiet move, soft as anything, and yet there is no reply. It calculates 25 plies deep.