Chess Puzzle #LrDuo — Expert, Black to move, endgame

Position

White: king g2; queen c4; pawn g3. Black: king e7; rook d6; pawns d2/f5/g6. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Qc7+ — queen c4→c7, gives check. Now Black to move.
2. Best move: Rd7 — rook d6→d7. Opponent replies Qe5+ (queen c7→e5, gives check).
3. Best move: Kf7 — king e7→f7. Opponent replies Qh8 (queen e5→h8).
4. Best move: d1=Q — pawn d2→d1, promotes to queen.

Tactical themes

advanced pawn, crushing, defensive move, endgame, long, promotion, queen rook endgame. The key move is Rd7.

Position data

FEN: 8/4k3/3r2p1/5p2/2Q5/6P1/3p2K1/8 w - - 0 64

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