Chess Puzzle #mU5vi — Master, White to move, endgame

Position

White: king f3; pawns b6/c5. Black: king e6; pawns b7/d5/f5/g5. Black is ahead by 2 points of material. White to move.

Solution (5 moves)

1. Opponent setup: d4 — pawn d5→d4. Now White to move.
2. Best move: c6 — pawn c5→c6. Opponent replies g4+ (pawn g5→g4, gives check).
3. Best move: Kf4 — king f3→f4. Opponent replies d3 (pawn d4→d3).
4. Best move: cxb7 — pawn c6→b7, captures pawn. Opponent replies d2 (pawn d3→d2).
5. Best move: b8=Q — pawn b7→b8, promotes to queen. Opponent replies d1=Q (pawn d2→d1, promotes to queen).
6. Best move: Qe8+ — queen b8→e8, gives check.

Tactical themes

advanced pawn, crushing, defensive move, endgame, pawn endgame, promotion, very long. The key move is c6.

Position data

FEN: 8/1p6/1P2k3/2Pp1pp1/8/5K2/8/8 b - - 0 55

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