Chess Puzzle #1uKlI — Beginner, White to move, opening

Position

White: king g1; queen d1; rooks a1/e1; bishops b5/c1; knights c3/f3; pawns a2/b2/c2/d4/g2/h2. Black: king e8; queen b6; rooks a8/h8; bishops c8/g7; knights b8/g8; pawns a7/b7/c7/f4/f7/g5/h6. Black is ahead by 1 point of material. White to move.

Solution (1 move)

1. Opponent setup: Kf8 — king e8→f8. Now White to move.
2. Best move: Re8# — rook e1→e8, delivers checkmate.

Tactical themes

mate, mate in 1, one move, opening. The combination ends with Re8# delivering checkmate.

Position data

FEN: rnb1k1nr/ppp2pb1/1q5p/1B4p1/3P1p2/2N2N2/PPP3PP/R1BQR1K1 b kq - 5 10

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