Chess Puzzle #AKK90 — Advanced, White to move, middlegame

Position

White: king g1; queen g4; rooks e1/g5; knight d5; pawns a3/c2/d4/f2/g6. Black: king f8; queen f6; rooks g8/h6; knight b2; pawns a6/b5/e6/f7. White is ahead by 1 point of material. White to move.

Solution (3 moves)

1. Opponent setup: exd5 — pawn e6→d5, captures knight. Now White to move.
2. Best move: g7+ — pawn g6→g7, gives check. Opponent replies Rxg7 (rook g8→g7, captures pawn).
3. Best move: Qc8+ — queen g4→c8, gives check. Opponent replies Qd8 (queen f6→d8).
4. Best move: Qxd8# — queen c8→d8, captures queen, delivers checkmate.

Tactical themes

advanced pawn, long, mate, mate in 3, middlegame. The combination ends with Qxd8# delivering checkmate.

Position data

FEN: 5kr1/5p2/p3pqPr/1p1N2R1/3P2Q1/P7/1nP2P2/4R1K1 b - - 0 28

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