Chess tactic
Crushing Puzzle (1726)
After the setup move Kd5, it is White to move. Find the forcing continuation before checking the solution.
What to look for
Find a move that decisively changes the evaluation, usually by force.
Solution
74. a6 74... Kc6 75. b5+The full forcing line from the source position is:
73... Kd5 74. a6 74... Kc6 75. b5+
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