Chess Puzzle #n4LzW — Advanced, Black to move, middlegame

Position

White: king c1; queen b2; knight d1; pawns a2/b3/c4/d5/e3/f4/h4. Black: king h7; rook a8; bishop f5; knight e4; pawns a6/b4/c5/d6/h6. White is ahead by 3 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Nf2 — knight d1→f2. Now Black to move.
2. Best move: Rg8 — rook a8→g8. Opponent replies Nxe4 (knight f2→e4, captures knight).
3. Best move: Rg1+ — rook g8→g1, gives check. Opponent replies Kd2 (king c1→d2).
4. Best move: Rg2+ — rook g1→g2, gives check.

Tactical themes

advantage, endgame, exposed king, long, quiet move, sacrifice. The key move is Rg8.

Position data

FEN: r7/7k/p2p3p/2pP1b2/1pP1nP1P/1P2P3/PQ6/2KN4 w - - 2 31

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