challenging · rating 1643
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White to move. Opponent's last move: g4.
advancedPawnadvantageendgamepromotionquietMoverookEndgameveryLong
140 plays
9 plies in the line
Reveal line
Opponent's last move: g4
Solution: c5 → g3 → c6 → g2 → c7 → Rxb7 → Rxb7 → g1=Q → c8=Q