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

Position

White: king g1; queen a7; knight b1; pawns a2/f2/g2/h2. Black: king d8; rook h8; bishop a1; knights d7/f6; pawns b7/d5/e6/f7/g6/h5. Black is ahead by 4 points of material. White to move.

Solution (2 moves)

1. Opponent setup: Ke7 — king d8→e7. Now White to move.
2. Best move: Qa3+ — queen a7→a3, gives check. Opponent replies Nc5 (knight d7→c5).
3. Best move: Qxc5+ — queen a3→c5, captures knight, gives check.

Tactical themes

endgame, equality, short. The key move Qxc5+ captures with check, forcing a response.

Position data

FEN: 3k3r/Qp1n1p2/4pnp1/3p3p/8/8/P4PPP/bN4K1 b - - 0 21

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