advanced · rating 2499
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Black to move. Opponent's last move: Kb1.
advancedPawncrushingdefensiveMoveendgameveryLongzugzwang
1974 plays
9 plies in the line
Reveal line
Opponent's last move: Kb1
Solution: Ka3 → Rc6 → b2 → Ra6 → Kb3 → Rxa4 → Kxa4 → Kxb2 → Kb4