Chess Puzzle #5QSmg — Beginner, Black to move, endgame

Position

White: king e2; rook b7; pawns e3/f4/h2. Black: king a2; pawns a4/b2/g6. White is ahead by 5 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Kd3 — king e2→d3. Now Black to move.
2. Best move: b1=Q+ — pawn b2→b1, promotes to queen, gives check. Opponent replies Rxb1 (rook b7→b1, captures queen).
3. Best move: Kxb1 — king a2→b1, captures rook. Opponent replies e4 (pawn e3→e4).
4. Best move: a3 — pawn a4→a3.

Tactical themes

advanced pawn, crushing, endgame, long, promotion. The key move is b1=Q+.

Position data

FEN: 8/1R6/6p1/8/p4P2/4P3/kp2K2P/8 w - - 0 46

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