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

Position

White: king g2; queen d1; rook a1; bishops d2/e4; knights d5/h4; pawns a3/b2/c4/d3/e2/g3/h3. Black: king g8; queen c5; rooks a8/f8; bishop c8; knight e6; pawns a5/b6/c7/d7/f6/g7/h7. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Nxf6+ — knight d5→f6, captures pawn, gives check. Now Black to move.
2. Best move: Rxf6 — rook f8→f6, captures knight. Opponent replies Bxa8 (bishop e4→a8, captures rook).
3. Best move: Qf2+ — queen c5→f2, gives check. Opponent replies Kh1 (king g2→h1).
4. Best move: Qxg3 — queen f2→g3, captures pawn. Opponent replies Bg2 (bishop a8→g2).
5. Best move: Qxh4 — queen g3→h4, captures knight.

Tactical themes

deflection, equality, middlegame, sacrifice, very long. The key move Rxf6 wins material.

Position data

FEN: r1b2rk1/2pp2pp/1p2np2/p1qN4/2P1B2N/P2P2PP/1P1BP1K1/R2Q4 w - - 3 18

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