Chess Puzzle #uKBW0 — Master, White to move, middlegame

Position

White: king d2; queen c5; rook d1; bishop b6; pawns c6/e5/f2. Black: king h7; queen f3; rook f7; knight d5; pawns b7/e4/h6. Material is balanced. White to move.

Solution (4 moves)

1. Opponent setup: Qd3+ — queen f3→d3, gives check. Now White to move.
2. Best move: Kc1 — king d2→c1. Opponent replies Nf4 (knight d5→f4).
3. Best move: c7 — pawn c6→c7. Opponent replies Ne2+ (knight f4→e2, gives check).
4. Best move: Kb2 — king c1→b2. Opponent replies Qxd1 (queen d3→d1, captures rook).
5. Best move: c8=Q — pawn c7→c8, promotes to queen.

Tactical themes

advanced pawn, advantage, endgame, promotion, very long. The key move is Kc1.

Position data

FEN: 8/1p3r1k/1BP4p/2QnP3/4p3/5q2/3K1P2/3R4 b - - 0 36

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