Chess Puzzle #vFzLd — Master, Black to move, middlegame

Position

White: king e1; queen h7; rooks d1/h1; bishop c4; knight a3; pawns a2/b2/c3/e4/g2/h3. Black: king e8; queen c7; rooks d8/f8; bishop e3; knight e7; pawns a7/c6/e5/g6. White is ahead by 2 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Ke2 — king e1→e2. Now Black to move.
2. Best move: Rf2+ — rook f8→f2, gives check. Opponent replies Kxe3 (king e2→e3, captures bishop).
3. Best move: Qb6+ — queen c7→b6, gives check. Opponent replies Rd4 (rook d1→d4).
4. Best move: Rxd4 — rook d8→d4, captures rook. Opponent replies Qf7+ (queen h7→f7, gives check).
5. Best move: Rxf7 — rook f2→f7, captures queen.

Tactical themes

crushing, exposed king, middlegame, sacrifice, very long. The key move is Rf2+.

Position data

FEN: 3rkr2/p1q1n2Q/2p3p1/4p3/2B1P3/N1P1b2P/PP4P1/3RK2R w K - 1 20

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