Chess Puzzle #ErQPZ — Expert, Black to move, middlegame

Position

White: king h4; queen e2; rook a1; bishops e3/g2; knight g1; pawns a2/b2/d5/e4/h3. Black: king g8; queen d6; rooks b8/f6; pawns a7/c7/g6/h7. White is ahead by 5 points of material. Black to move.

Solution (5 moves)

1. Opponent setup: Nf3 — knight g1→f3. Now Black to move.
2. Best move: Rf4+ — rook f6→f4, gives check. Opponent replies Kg3 (king h4→g3).
3. Best move: Rxf3+ — rook f4→f3, captures knight, gives check. Opponent replies Kxf3 (king g3→f3, captures rook).
4. Best move: Rf8+ — rook b8→f8, gives check. Opponent replies Kg4 (king f3→g4).
5. Best move: h5+ — pawn h7→h5, gives check. Opponent replies Kh4 (king g4→h4).
6. Best move: Rf4+ — rook f8→f4, gives check.

Tactical themes

attraction, crushing, discovered check, double check, middlegame, sacrifice, very long. The key move Rxf3+ captures with check, forcing a response.

Position data

FEN: 1r4k1/p1p4p/3q1rp1/3P4/4P2K/4B2P/PP2Q1B1/R5N1 w - - 3 25

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