Chess Puzzle #joxaX — Advanced, Black to move, middlegame

Position

White: king h1; queen a5; rooks b7/e1; bishop g1; pawns a3/b2/e3/f4/g5/h3. Black: king f8; queen d5; rook e4; bishop g7; knight d4; pawns c5/f5/g6. White is ahead by 5 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Qa8+ — queen a5→a8, gives check. Now Black to move.
2. Best move: Re8+ — rook e4→e8, gives check. Opponent replies e4 (pawn e3→e4).
3. Best move: fxe4 — pawn f5→e4, captures pawn. Opponent replies Rb8 (rook b7→b8).
4. Best move: Qxa8 — queen d5→a8, captures queen. Opponent replies Rxa8 (rook b8→a8, captures queen).
5. Best move: Rxa8 — rook e8→a8, captures rook.

Tactical themes

discovered attack, discovered check, equality, master, middlegame, very long, X-ray attack. The key move is Re8+.

Position data

FEN: 5k2/1R4b1/6p1/Q1pq1pP1/3nrP2/P3P2P/1P6/4R1BK w - - 1 43

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