Chess Puzzle #NALqf — Expert, White to move, middlegame

Position

White: king f2; queen e3; bishop g5; knight g3; pawns a5/b2/c4/d5/e4/f6/g2. Black: king h7; queen h2; rooks a8/g8; knight c8; pawns a6/b7/c5/d6/e5. Black is ahead by 5 points of material. White to move.

Solution (3 moves)

1. Opponent setup: b6 — pawn b7→b6. Now White to move.
2. Best move: f7 — pawn f6→f7. Opponent replies Rf8 (rook g8→f8).
3. Best move: Qf3 — queen e3→f3. Opponent replies Ra7 (rook a8→a7).
4. Best move: Qf5+ — queen f3→f5, gives check.

Tactical themes

advanced pawn, equality, long, middlegame, quiet move. The key move is f7.

Position data

FEN: r1n3r1/1p5k/p2p1P2/P1pPp1B1/2P1P3/4Q1N1/1P3KPq/8 b - - 2 40

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