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

Position

White: king a2; queen a6; rooks d1/h1; bishop g6; pawns b2/d4/e6/f4/g4/h5. Black: king e7; rooks a8/h8; knights a5/c6; pawns g7/h6. White is ahead by 10 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Qe2 — queen a6→e2. Now Black to move.
2. Best move: Nb4+ — knight c6→b4, gives check. Opponent replies Ka3 (king a2→a3).
3. Best move: Rhb8 — rook h8→b8. Opponent replies Qb5 (queen e2→b5).
4. Best move: Rxb5 — rook b8→b5, captures queen.

Tactical themes

crushing, long, middlegame, quiet move. The key move is Nb4+.

Position data

FEN: r6r/4k1p1/Q1n1P1Bp/n6P/3P1PP1/8/KP6/3R3R w - - 1 30

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