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

Position

White: king g1; queen b7; rooks a1/e1; bishops a3/c4; pawns a4/b3/d7/f2/g2/h2. Black: king h8; queen f6; rooks a8/d8; bishop c2; knight g5; pawns a6/f7/g7/h6. White is ahead by 2 points of material. Black to move.

Solution (2 moves)

1. Opponent setup: Qxa8 — queen b7→a8, captures rook. Now Black to move.
2. Best move: Rxa8 — rook d8→a8, captures queen. Opponent replies Re8+ (rook e1→e8, gives check).
3. Best move: Kh7 — king h8→h7.

Tactical themes

equality, hanging piece, middlegame, short. The key move Rxa8 wins material.

Position data

FEN: r2r3k/1Q1P1pp1/p4q1p/6n1/P1B5/BP6/2b2PPP/R3R1K1 w - - 1 21

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