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

Position

White: king g1; queen h6; rooks e1/e3; pawns b3/d5/e4/f2/g2/h4. Black: king g8; queen b2; rook a8; knight f4; pawns c5/e5/e7/f7/g6. White is ahead by 3 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: g3 — pawn g2→g3. Now Black to move.
2. Best move: Ra2 — rook a8→a2. Opponent replies Rf3 (rook e3→f3).
3. Best move: Nh3+ — knight f4→h3, gives check. Opponent replies Kg2 (king g1→g2).
4. Best move: Nxf2 — knight h3→f2, captures pawn.

Tactical themes

advantage, endgame, long, quiet move. The key move is Ra2.

Position data

FEN: r5k1/4pp2/6pQ/2pPp3/4Pn1P/1P2R3/1q3PP1/4R1K1 w - - 3 29

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