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

Position

White: king g1; queen b7; rooks b1/e3; bishop d3; pawns a4/e5/g2/g3. Black: king d8; queen d4; rook h8; bishop e8; knight c7; pawns a6/c6/e6/g5. White is ahead by 2 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Qb6 — queen b7→b6. Now Black to move.
2. Best move: Qxb6 — queen d4→b6, captures queen. Opponent replies Rxb6 (rook b1→b6, captures queen).
3. Best move: Nd5 — knight c7→d5. Opponent replies Rb8+ (rook b6→b8, gives check).
4. Best move: Kc7 — king d8→c7. Opponent replies Rxe8 (rook b8→e8, captures bishop).
5. Best move: Rxe8 — rook h8→e8, captures rook.

Tactical themes

equality, fork, middlegame, pin, very long. The key move Qxb6 wins material.

Position data

FEN: 3kb2r/1Qn5/p1p1p3/4P1p1/P2q4/3BR1P1/6P1/1R4K1 w - - 1 31

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