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

Position

White: king g1; queen f3; rooks e1/f1; pawns a2/b2/c3/d4/g3/h2. Black: king e7; queen d6; rooks g8/h8; pawns a7/b7/e6/f5. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Qxf5 — queen f3→f5, captures pawn. Now Black to move.
2. Best move: Rxg3+ — rook g8→g3, captures pawn, gives check. Opponent replies Kh1 (king g1→h1).
3. Best move: Rg1+ — rook g3→g1, gives check. Opponent replies Rxg1 (rook f1→g1, captures rook).
4. Best move: Qxh2# — queen d6→h2, captures pawn, delivers checkmate.

Tactical themes

discovered attack, endgame, long, mate, mate in 3, sacrifice. The combination ends with Qxh2# delivering checkmate.

Position data

FEN: 6rr/pp2k3/3qp3/5p2/3P4/2P2QP1/PP5P/4RRK1 w - - 2 22

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