Chess Puzzle #lMCSH — Advanced, White to move, middlegame

Position

White: king a3; rooks a4/b4; pawns c3/g4/h5. Black: king g8; queen d5; pawns d6/e4/f6/g7/h6. Black is ahead by 1 point of material. White to move.

Solution (3 moves)

1. Opponent setup: e3 — pawn e4→e3. Now White to move.
2. Best move: Rb8+ — rook b4→b8, gives check. Opponent replies Kh7 (king g8→h7).
3. Best move: Raa8 — rook a4→a8. Opponent replies Qxa8+ (queen d5→a8, captures rook, gives check).
4. Best move: Rxa8 — rook b8→a8, captures queen.

Tactical themes

crushing, endgame, long, queen rook endgame, quiet move. The key move is Rb8+.

Position data

FEN: 6k1/6p1/3p1p1p/3q3P/RR2p1P1/K1P5/8/8 b - - 1 47

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