challenging · rating 1735
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Black to move. Opponent's last move: a4.
advancedPawncrushingendgamemasterpromotionqueenEndgameveryLong
4966 plays
11 plies in the line
Reveal line
Opponent's last move: a4
Solution: Qc4 → Qxc4 → bxc4 → a5 → c3 → a6 → c2 → a7 → c1=Q → a8=Q → Qxf4+