challenging · rating 1972
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Black to move. Opponent's last move: f4.
crushingdefensiveMoveendgamelongmastermasterVsMasterpawnEndgamezugzwang
699 plays
5 plies in the line
Reveal line
Opponent's last move: f4
Solution: Ke6 → f5+ → Kd6 → Kd4 → f6