Chess Puzzle #0FR91 — Beginner, White to move, endgame

Position

White: king b4; rook a4; pawns b2/g4/h3. Black: king h4; rook a7; pawn g5. White is ahead by 2 points of material. White to move.

Solution (6 moves)

1. Opponent setup: Rxa4+ — rook a7→a4, captures rook, gives check. Now White to move.
2. Best move: Kxa4 — king b4→a4, captures rook. Opponent replies Kxh3 (king h4→h3, captures pawn).
3. Best move: b4 — pawn b2→b4. Opponent replies Kxg4 (king h3→g4, captures pawn).
4. Best move: b5 — pawn b4→b5. Opponent replies Kh3 (king g4→h3).
5. Best move: b6 — pawn b5→b6. Opponent replies g4 (pawn g5→g4).
6. Best move: b7 — pawn b6→b7. Opponent replies g3 (pawn g4→g3).
7. Best move: b8=Q — pawn b7→b8, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, promotion, quiet move, very long. The key move Kxa4 wins material.

Position data

FEN: 8/r7/8/6p1/RK4Pk/7P/1P6/8 b - - 0 54

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