Chess Puzzle #nUwP9 — Advanced, Black to move, middlegame

Position

White: king g1; queen d1; rooks a1/e1; pawns a5/d4/f2/g2/h2. Black: king g8; queen g4; rooks d8/e4; pawns a7/d5/f7/g7/h7. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: Ra4 — rook a1→a4. Now Black to move.
2. Best move: Rde8 — rook d8→e8. Opponent replies Ra1 (rook a4→a1).
3. Best move: Rxe1+ — rook e4→e1, captures rook, gives check. Opponent replies Qxe1 (queen d1→e1, captures rook).
4. Best move: Rxe1+ — rook e8→e1, captures queen, gives check.

Tactical themes

crushing, endgame, fork, long, quiet move. The key move Rxe1+ captures with check, forcing a response.

Position data

FEN: 3r2k1/p4ppp/8/P2p4/3Pr1q1/8/5PPP/R2QR1K1 w - - 1 21

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