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

Position

White: king g1; queen b5; rook b3; pawns a3/f3/g2/h3. Black: king h8; queen f6; rook d8; pawns b6/g7/h6. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: a4 — pawn a3→a4. Now Black to move.
2. Best move: Rd1+ — rook d8→d1, gives check. Opponent replies Kf2 (king g1→f2).
3. Best move: Qh4+ — queen f6→h4, gives check. Opponent replies g3 (pawn g2→g3).
4. Best move: Qd4+ — queen h4→d4, gives check.

Tactical themes

crushing, endgame, long. The key move is Rd1+.

Position data

FEN: 3r3k/6p1/1p3q1p/1Q6/8/PR3P1P/6P1/6K1 w - - 2 46

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