Chess Puzzle #kpZM5 — Advanced, White to move, endgame

Position

White: king g4; pawns b5/c6/e6/f3. Black: king c7; knight a2; pawns a3/b7/h6. Black is ahead by 2 points of material. White to move.

Solution (3 moves)

1. Opponent setup: bxc6 — pawn b7→c6, captures pawn. Now White to move.
2. Best move: b6+ — pawn b5→b6, gives check. Opponent replies Kxb6 (king c7→b6, captures pawn).
3. Best move: e7 — pawn e6→e7. Opponent replies Nc3 (knight a2→c3).
4. Best move: e8=Q — pawn e7→e8, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, knight endgame, long, promotion. The key move is b6+.

Position data

FEN: 8/1pk5/2P1P2p/1P6/6K1/p4P2/n7/8 b - - 0 42

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