Chess Puzzle #JEFDK — Intermediate, Black to move, endgame

Position

White: king e3; rook e6; pawns f5/g6/h5. Black: king g7; rook b7; pawns b3/h6. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Kd3 — king e3→d3. Now Black to move.
2. Best move: b2 — pawn b3→b2. Opponent replies f6+ (pawn f5→f6, gives check).
3. Best move: Kf8 — king g7→f8. Opponent replies Re1 (rook e6→e1).
4. Best move: b1=Q+ — pawn b2→b1, promotes to queen, gives check. Opponent replies Rxb1 (rook e1→b1, captures queen).
5. Best move: Rxb1 — rook b7→b1, captures rook.

Tactical themes

advanced pawn, crushing, defensive move, endgame, exposed king, promotion, rook endgame, very long. The key move is b2.

Position data

FEN: 8/1r4k1/4R1Pp/5P1P/8/1p2K3/8/8 w - - 0 58

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