Chess Puzzle #erLDF — Advanced, Black to move, middlegame

Position

White: king g1; queen g4; rooks a1/g8; bishops a2/b2; pawns a4/b5/d5/g2/h3. Black: king e7; queen d6; rooks c8/e8; bishop c5; knight f2; pawns a5/b6/f7/h7. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Qg5+ — queen g4→g5, gives check. Now Black to move.
2. Best move: Kd7 — king e7→d7. Opponent replies Qf5+ (queen g5→f5, gives check).
3. Best move: Kc7 — king d7→c7. Opponent replies Qxf7+ (queen f5→f7, captures pawn, gives check).
4. Best move: Re7 — rook e8→e7. Opponent replies Qxe7+ (queen f7→e7, captures rook, gives check).
5. Best move: Qxe7 — queen d6→e7, captures queen.

Tactical themes

advantage, defensive move, middlegame, very long. The key move is Kd7.

Position data

FEN: 2r1r1R1/4kp1p/1p1q4/pPbP4/P5Q1/7P/BB3nP1/R5K1 w - - 2 32

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