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

Position

White: king b1; queen d1; knight g6; pawns a2/b2/c3/e5/e7. Black: king c7; queen c5; rook h6; pawns a7/b7/c6/d5/g3/g7. Black is ahead by 3 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Kd7 — king c7→d7. Now White to move.
2. Best move: Qg4+ — queen d1→g4, gives check. Opponent replies Kc7 (king d7→c7).
3. Best move: e8=Q — pawn e7→e8, promotes to queen. Opponent replies Rh1+ (rook h6→h1, gives check).
4. Best move: Kc2 — king b1→c2.

Tactical themes

advanced pawn, crushing, deflection, endgame, long, promotion. The key move is Qg4+.

Position data

FEN: 8/ppk1P1p1/2p3Nr/2qpP3/8/2P3p1/PP6/1K1Q4 b - - 0 28

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