Chess Puzzle #oE0XC — Expert, Black to move, endgame

Position

White: king c2; queen h5; rook b2; pawns a2/f4/g3. Black: king f8; queen g1; bishop a4; pawns a7/f5/g4. White is ahead by 2 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Kd2 — king c2→d2. Now Black to move.
2. Best move: Qd4+ — queen g1→d4, gives check. Opponent replies Ke1 (king d2→e1).
3. Best move: Qc3+ — queen d4→c3, gives check. Opponent replies Rd2 (rook b2→d2).
4. Best move: Qc1+ — queen c3→c1, gives check. Opponent replies Ke2 (king e1→e2).
5. Best move: Bb5+ — bishop a4→b5, gives check.

Tactical themes

crushing, endgame, exposed king, fork, very long. The key move is Qd4+.

Position data

FEN: 5k2/p7/8/5p1Q/b4Pp1/6P1/PRK5/6q1 w - - 3 41

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