Chess Puzzle #Mgu9Z — Advanced, Black to move, endgame

Position

White: king f1; queen h7; rook a1; bishop d3; pawn a4. Black: king f8; rooks f6/g2; pawns b7/f3/f7/g3. White is ahead by 4 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Re1 — rook a1→e1. Now Black to move.
2. Best move: Rg1+ — rook g2→g1, gives check. Opponent replies Kxg1 (king f1→g1, captures rook).
3. Best move: f2+ — pawn f3→f2, gives check. Opponent replies Kg2 (king g1→g2).
4. Best move: fxe1=Q — pawn f2→e1, captures rook, promotes to queen.

Tactical themes

advanced pawn, attraction, crushing, endgame, exposed king, fork, long, promotion, sacrifice. The key move is Rg1+.

Position data

FEN: 5k2/1p3p1Q/5r2/8/P7/3B1pp1/6r1/R4K2 w - - 2 44

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