Chess Puzzle #5i6BE — Intermediate, Black to move, middlegame

Position

White: king b2; queen f7; rooks d1/f1; pawns b3/d3/f4. Black: king h8; queen b4; rook b8; pawns d4/e5/f6/g7/h6. White is ahead by 3 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Rg1 — rook f1→g1. Now Black to move.
2. Best move: Qc3+ — queen b4→c3, gives check. Opponent replies Kb1 (king b2→b1).
3. Best move: Rxb3+ — rook b8→b3, captures pawn, gives check. Opponent replies Qxb3 (queen f7→b3, captures rook).
4. Best move: Qxb3+ — queen c3→b3, captures queen, gives check.

Tactical themes

crushing, deflection, discovered attack, endgame, long. The key move Rxb3+ captures with check, forcing a response.

Position data

FEN: 1r5k/5Qp1/5p1p/4p3/1q1p1P2/1P1P4/1K6/3R1R2 w - - 3 42

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