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

Position

White: king f1; rook d4; pawns a3/b2/c4. Black: king e3; pawns a4/b5/f4/g3. White is ahead by 4 points of material. Black to move.

Solution (5 moves)

1. Opponent setup: Rxf4 — rook d4→f4, captures pawn. Now Black to move.
2. Best move: Kxf4 — king e3→f4, captures rook. Opponent replies cxb5 (pawn c4→b5, captures pawn).
3. Best move: Ke5 — king f4→e5. Opponent replies b6 (pawn b5→b6).
4. Best move: Kd6 — king e5→d6. Opponent replies Kg2 (king f1→g2).
5. Best move: Kc6 — king d6→c6. Opponent replies Kxg3 (king g2→g3, captures pawn).
6. Best move: Kxb6 — king c6→b6, captures pawn.

Tactical themes

endgame, equality, very long. The key move Kxf4 wins material.

Position data

FEN: 8/8/8/1p6/p1PR1p2/P3k1p1/1P6/5K2 w - - 1 45

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