Chess Puzzle #QrJ6B — Master, Black to move, endgame

Position

White: king e7; rook h6; pawns d6/e5. Black: king c6; rook e1; pawn h2. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: e6 — pawn e5→e6. Now Black to move.
2. Best move: h1=Q — pawn h2→h1, promotes to queen. Opponent replies Rxh1 (rook h6→h1, captures queen).
3. Best move: Rxh1 — rook e1→h1, captures rook. Opponent replies d7 (pawn d6→d7).
4. Best move: Rh7+ — rook h1→h7, gives check. Opponent replies Kf8 (king e7→f8).
5. Best move: Rh8+ — rook h7→h8, gives check.

Tactical themes

advanced pawn, crushing, endgame, promotion, very long. The key move is h1=Q.

Position data

FEN: 8/4K3/2kP3R/4P3/8/8/7p/4r3 w - - 3 50

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