Chess Puzzle #yR77l — Expert, Black to move, middlegame

Position

White: king g1; queen b5; rook a1; bishops c2/c5; knight g3; pawns a2/b2/c3/g2/h2. Black: king g8; queen f6; rook f8; bishop e6; knights c6/g4; pawns a6/b7/c7/g6/h7. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Qxb7 — queen b5→b7, captures pawn. Now Black to move.
2. Best move: Qh4 — queen f6→h4. Opponent replies h3 (pawn h2→h3).
3. Best move: Qxg3 — queen h4→g3, captures knight. Opponent replies hxg4 (pawn h3→g4, captures knight).
4. Best move: Bd5 — bishop e6→d5. Opponent replies Be4 (bishop c2→e4).
5. Best move: Bxe4 — bishop d5→e4, captures bishop.

Tactical themes

crushing, middlegame, very long. The key move is Qh4.

Position data

FEN: 5rk1/1pp4p/p1n1bqp1/1QB5/6n1/2P3N1/PPB3PP/R5K1 w - - 0 21

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