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

Position

White: king c3; rooks g3/h6; knight e3; pawns c4/d5/e4. Black: king f8; rook b8; knights a4/e5; pawns c5/f7. White is ahead by 3 points of material. Black to move.

Solution (6 moves)

1. Opponent setup: Kc2 — king c3→c2. Now Black to move.
2. Best move: Rb2+ — rook b8→b2, gives check. Opponent replies Kd1 (king c2→d1).
3. Best move: Nc3+ — knight a4→c3, gives check. Opponent replies Ke1 (king d1→e1).
4. Best move: Nd3+ — knight e5→d3, gives check. Opponent replies Kf1 (king e1→f1).
5. Best move: Rf2+ — rook b2→f2, gives check. Opponent replies Kg1 (king f1→g1).
6. Best move: Ne2+ — knight c3→e2, gives check. Opponent replies Kh1 (king g1→h1).
7. Best move: Nxg3+ — knight e2→g3, captures rook, gives check.

Tactical themes

advantage, endgame, exposed king, fork, very long. The key move Nxg3+ captures with check, forcing a response.

Position data

FEN: 1r3k2/5p2/7R/2pPn3/n1P1P3/2K1N1R1/8/8 w - - 1 43

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