Chess Puzzle #G2Tg0 — Advanced, Black to move, middlegame

Position

White: king b2; queen e2; rook g2; pawns a2/c2/d4/e5/f6/h3. Black: king h8; queen c6; rook c8; pawns b3/b4/d5/e6/f7/h7. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: axb3 — pawn a2→b3, captures pawn. Now Black to move.
2. Best move: Qc3+ — queen c6→c3, gives check. Opponent replies Kb1 (king b2→b1).
3. Best move: Ra8 — rook c8→a8. Opponent replies Rg8+ (rook g2→g8, gives check).
4. Best move: Rxg8 — rook a8→g8, captures rook.

Tactical themes

crushing, endgame, long, quiet move. The key move is Qc3+.

Position data

FEN: 2r4k/5p1p/2q1pP2/3pP3/1p1P4/1p5P/PKP1Q1R1/8 w - - 0 30

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