Chess Puzzle #4Z1Mg — Advanced, Black to move, middlegame

Position

White: king h1; queen b1; rooks a1/f1; bishops f4/g6; knight f3; pawns a3/b2/d4/e5/g2/h2. Black: king h8; queen d8; rook a8; bishops b5/e7; knights b4/f8; pawns a7/b7/d5/e6/g7/h6. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Rf2 — rook f1→f2. Now Black to move.
2. Best move: Nxg6 — knight f8→g6, captures bishop. Opponent replies Qxg6 (queen b1→g6, captures knight).
3. Best move: Nd3 — knight b4→d3. Opponent replies Be3 (bishop f4→e3).
4. Best move: Nxf2+ — knight d3→f2, captures rook, gives check.

Tactical themes

equality, fork, long, middlegame. The key move Nxf2+ captures with check, forcing a response.

Position data

FEN: r2q1n1k/pp2b1p1/4p1Bp/1b1pP3/1n1P1B2/P4N2/1P4PP/RQ3R1K w - - 1 21

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