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

Position

White: king g3; queen d3; rook b3; pawns c4/d6/e4/f3/g4/h5. Black: king g7; queen a1; rook a8; pawns c5/e5/f7/g5/h6. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Qe3 — queen d3→e3. Now Black to move.
2. Best move: Ra2 — rook a8→a2. Opponent replies Rd3 (rook b3→d3).
3. Best move: Qh1 — queen a1→h1. Opponent replies Rd2 (rook d3→d2).
4. Best move: Qh4+ — queen h1→h4, gives check. Opponent replies Kg2 (king g3→g2).
5. Best move: Ra1 — rook a2→a1.

Tactical themes

crushing, defensive move, endgame, quiet move, very long. The key move is Ra2.

Position data

FEN: r7/5pk1/3P3p/2p1p1pP/2P1P1P1/1R1Q1PK1/8/q7 w - - 3 55

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