Chess Puzzle #UsE0n — Expert, Black to move, middlegame

Position

White: king g1; queen e8; rooks c1/f1; bishop h2; pawns a2/c3/d4/e3/f2. Black: king h7; queen h3; rook a8; bishop f5; pawns a7/b5/c6/g4/g7/h5. White is ahead by 4 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Qxa8 — queen e8→a8, captures rook. Now Black to move.
2. Best move: Be4 — bishop f5→e4. Opponent replies f3 (pawn f2→f3).
3. Best move: g3 — pawn g4→g3. Opponent replies Bxg3 (bishop h2→g3, captures pawn).
4. Best move: Qxg3+ — queen h3→g3, captures bishop, gives check.

Tactical themes

endgame, equality, long, quiet move, trapped piece. The key move Qxg3+ captures with check, forcing a response.

Position data

FEN: r3Q3/p5pk/2p5/1p3b1p/3P2p1/2P1P2q/P4P1B/2R2RK1 w - - 0 29

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