Chess Puzzle #Ubnfy — Master, White to move, middlegame

Position

White: king g3; pawns a2/b3/c4/f2/f4/h3. Black: king d4; pawns a7/b6/c5/f5/g5/h6. Material is balanced. White to move.

Solution (5 moves)

1. Opponent setup: gxf4+ — pawn g5→f4, captures pawn, gives check. Now White to move.
2. Best move: Kxf4 — king g3→f4, captures pawn. Opponent replies a6 (pawn a7→a6).
3. Best move: Kxf5 — king f4→f5, captures pawn. Opponent replies b5 (pawn b6→b5).
4. Best move: f4 — pawn f2→f4. Opponent replies bxc4 (pawn b5→c4, captures pawn).
5. Best move: bxc4 — pawn b3→c4, captures pawn. Opponent replies Kxc4 (king d4→c4, captures pawn).
6. Best move: Ke4 — king f5→e4.

Tactical themes

crushing, defensive move, endgame, pawn endgame, quiet move, very long. The key move Kxf4 wins material.

Position data

FEN: 8/p7/1p5p/2p2pp1/2Pk1P2/1P4KP/P4P2/8 b - - 0 34

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