Chess Puzzle #Kna1K — Intermediate, White to move, middlegame

Position

White: king g1; queen e3; rook a7; pawns c2/d5/f2/g2/h2. Black: king c7; queen e7; rook h8; bishop f8; knight c4; pawns b5/d6/g7/h7. Black is ahead by 5 points of material. White to move.

Solution (2 moves)

1. Opponent setup: Kd8 — king c7→d8. Now White to move.
2. Best move: Ra8+ — rook a7→a8, gives check. Opponent replies Kc7 (king d8→c7).
3. Best move: Qa7# — queen e3→a7, delivers checkmate.

Tactical themes

endgame, mate, mate in 2, short. The combination ends with Qa7# delivering checkmate.

Position data

FEN: 5b1r/R1k1q1pp/3p4/1p1P4/2n5/4Q3/2P2PPP/6K1 b - - 2 30

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