Chess Puzzle #rLXz6 — Master, Black to move, middlegame

Position

White: king b2; queen d2; rook g3; pawns b3/c2/d4/e3/g5. Black: king g7; queen b5; rook f1; pawns a3/a5/d5/d6/e4. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: Kxa3 — king b2→a3, captures pawn. Now Black to move.
2. Best move: a4 — pawn a5→a4. Opponent replies Qh2 (queen d2→h2).
3. Best move: axb3 — pawn a4→b3, captures pawn. Opponent replies Qh6+ (queen h2→h6, gives check).
4. Best move: Kf7 — king g7→f7.

Tactical themes

crushing, endgame, long. The key move is a4.

Position data

FEN: 8/6k1/3p4/pq1p2P1/3Pp3/pP2P1R1/1KPQ4/5r2 w - - 0 33

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