challenging · rating 1624
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White to move. Opponent's last move: f3.
crushingendgamepawnEndgamequietMoveveryLong
267 plays
7 plies in the line
Reveal line
Opponent's last move: f3
Solution: a4 → f2 → Ke2 → b4 → a5 → f1=Q+ → Kxf1