Chess Puzzle #NW2Ju — Expert, Black to move, middlegame

Position

White: king c1; queen c2; rook c7; bishop f4; pawns a2/b4/e3/e5/f3/g4/h2. Black: king e8; queen a3; bishop g6; knight c4; pawns e6/f5/g7/h7. White is ahead by 5 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Kb1 — king c1→b1. Now Black to move.
2. Best move: Qxb4+ — queen a3→b4, captures pawn, gives check. Opponent replies Kc1 (king b1→c1).
3. Best move: Qe1+ — queen b4→e1, gives check. Opponent replies Qd1 (queen c2→d1).
4. Best move: Qc3+ — queen e1→c3, gives check.

Tactical themes

endgame, equality, long, queenside attack. The key move Qxb4+ captures with check, forcing a response.

Position data

FEN: 4k3/2R3pp/4p1b1/4Pp2/1Pn2BP1/q3PP2/P1Q4P/2K5 w - - 1 26

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