Chess Puzzle #izQCy — Expert, Black to move, endgame

Position

White: king g5; queen a5; knight d5. Black: king b2; bishop d3; pawns b3/c2/c4. White is ahead by 6 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Qc3+ — queen a5→c3, gives check. Now Black to move.
2. Best move: Kb1 — king b2→b1. Opponent replies Qd2 (queen c3→d2).
3. Best move: b2 — pawn b3→b2. Opponent replies Nc3+ (knight d5→c3, gives check).
4. Best move: Ka1 — king b1→a1. Opponent replies Qxc2 (queen d2→c2, captures pawn).
5. Best move: Bxc2 — bishop d3→c2, captures queen.

Tactical themes

advanced pawn, crushing, defensive move, endgame, very long. The key move is Kb1.

Position data

FEN: 8/8/8/Q2N2K1/2p5/1p1b4/1kp5/8 w - - 0 47

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