Chess Puzzle #bCN3I — Expert, Black to move, middlegame

Position

White: king g1; queen a3; rooks a1/f1; bishop e2; knight f3; pawns a2/c4/d4/f2/g4/h3. Black: king d7; queen f4; rooks b8/g8; bishop e4; knight c6; pawns a7/e6/f6/f7/h7. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Rad1 — rook a1→d1. Now Black to move.
2. Best move: Rxg4+ — rook g8→g4, captures pawn, gives check. Opponent replies hxg4 (pawn h3→g4, captures rook).
3. Best move: Qxg4+ — queen f4→g4, captures pawn, gives check. Opponent replies Kh2 (king g1→h2).
4. Best move: Qf4+ — queen g4→f4, gives check.

Tactical themes

crushing, kingside attack, long, middlegame, sacrifice. The key move Rxg4+ captures with check, forcing a response.

Position data

FEN: 1r4r1/p2k1p1p/2n1pp2/8/2PPbqP1/Q4N1P/P3BP2/R4RK1 w - - 5 20

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