challenging · rating 1722
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White to move. Opponent's last move: Rf6.
advancedPawncrushingendgamemasterpromotionveryLong
4005 plays
7 plies in the line
Reveal line
Opponent's last move: Rf6
Solution: f8=Q → Rxf8+ → Kxf8 → Kf6 → e7 → b1=Q → Nxb1