Chess Puzzle #70ylV — Expert, Black to move, middlegame

Position

White: king g1; queen d1; rooks a1/f1; bishops b2/d3; knight f3; pawns a3/b3/c4/e3/f2/g2/h2. Black: king e8; queen d8; rooks a8/g6; bishops c6/d6; pawns a7/b7/c7/e6/f5/g7/h5. White is ahead by 3 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Qe2 — queen d1→e2. Now Black to move.
2. Best move: Rxg2+ — rook g6→g2, captures pawn, gives check. Opponent replies Kxg2 (king g1→g2, captures rook).
3. Best move: Qg5+ — queen d8→g5, gives check. Opponent replies Kh1 (king g2→h1).
4. Best move: Qg4 — queen g5→g4. Opponent replies e4 (pawn e3→e4).
5. Best move: fxe4 — pawn f5→e4, captures pawn.

Tactical themes

advantage, attraction, kingside attack, middlegame, pin, sacrifice, very long. The key move Rxg2+ captures with check, forcing a response.

Position data

FEN: r2qk3/ppp3p1/2bbp1r1/5p1p/2P5/PP1BPN2/1B3PPP/R2Q1RK1 w q - 0 16

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