Chess Puzzle #OyDFz — Master, Black to move, middlegame

Position

White: king d3; queen d2; rooks f1/h1; bishop e2; pawns c4/d5/e4/g3/h3/h7. Black: king h8; queen b8; rook a1; bishop a4; pawns b2/c5/c7/d6/e5. White is ahead by 6 points of material. Black to move.

Solution (2 moves)

1. Opponent setup: Qg5 — queen d2→g5. Now Black to move.
2. Best move: Ra3+ — rook a1→a3, gives check. Opponent replies Kd2 (king d3→d2).
3. Best move: Qb4# — queen b8→b4, delivers checkmate.

Tactical themes

master, mate, mate in 2, middlegame, short. The combination ends with Qb4# delivering checkmate.

Position data

FEN: 1q5k/2p4P/3p4/2pPp3/b1P1P3/3K2PP/1p1QB3/r4R1R w - - 1 33

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