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

Position

White: king g3; queen d6; rook e6; pawns a2/e7/g5/h3. Black: king g7; queen e8; rook f7; bishop d4; pawns a5/b6/c5/g6/h7. Black is ahead by 4 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Qb5 — queen e8→b5. Now White to move.
2. Best move: e8=Q — pawn e7→e8, promotes to queen. Opponent replies Qd3+ (queen b5→d3, gives check).
3. Best move: Re3 — rook e6→e3. Opponent replies Qxe3+ (queen d3→e3, captures rook, gives check).
4. Best move: Qxe3 — queen e8→e3, captures queen.

Tactical themes

advanced pawn, crushing, defensive move, endgame, long, promotion. The key move is e8=Q.

Position data

FEN: 4q3/4Prkp/1p1QR1p1/p1p3P1/3b4/6KP/P7/8 b - - 4 40

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