Chess Puzzle #WvOmg — Advanced, Black to move, endgame

Position

White: king g7; rook e8; pawn g6. Black: king d3; rook b4; pawn e2. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Kf7 — king g7→f7. Now Black to move.
2. Best move: Rf4+ — rook b4→f4, gives check. Opponent replies Kg8 (king f7→g8).
3. Best move: Re4 — rook f4→e4. Opponent replies Rxe4 (rook e8→e4, captures rook).
4. Best move: Kxe4 — king d3→e4, captures rook. Opponent replies g7 (pawn g6→g7).
5. Best move: e1=Q — pawn e2→e1, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, promotion, rook endgame, very long. The key move is Rf4+.

Position data

FEN: 4R3/6K1/6P1/8/1r6/3k4/4p3/8 w - - 0 84

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