challenging · rating 1682
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Black to move. Opponent's last move: Re1.
advancedPawncrushingendgamepromotionveryLong
5111 plays
7 plies in the line
Reveal line
Opponent's last move: Re1
Solution: Rxe1 → Kxe1 → a3 → Kd2 → a2 → Kc3 → a1=Q+