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

Position

White: king c2; queen c4; pawns a2/b2/e6/h6. Black: king g8; queen g5; rook a7; pawns a4/e4/g6/h7. Black is ahead by 5 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Qxh6 — queen g5→h6, captures pawn. Now White to move.
2. Best move: e7+ — pawn e6→e7, gives check. Opponent replies Kg7 (king g8→g7).
3. Best move: e8=Q — pawn e7→e8, promotes to queen. Opponent replies Qh2+ (queen h6→h2, gives check).
4. Best move: Kb1 — king c2→b1.

Tactical themes

advanced pawn, advantage, defensive move, discovered attack, discovered check, endgame, long, promotion. The key move is e7+.

Position data

FEN: 6k1/r6p/4P1pP/6q1/p1Q1p3/8/PPK5/8 b - - 0 42

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