Chess Puzzle #KJu8w — Expert, White to move, middlegame

Position

White: king b3; queen e4; rooks d1/e1; knight d5; pawns a3/b2/f2/g2/h2. Black: king f8; queen d6; rooks c8/h8; bishop f6; knight g8; pawns a7/b7/f7/g7/h7. Black is ahead by 3 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Qe6 — queen d6→e6. Now White to move.
2. Best move: Qb4+ — queen e4→b4, gives check. Opponent replies Be7 (bishop f6→e7).
3. Best move: Qxb7 — queen b4→b7, captures pawn. Opponent replies Qc6 (queen e6→c6).
4. Best move: Qxc6 — queen b7→c6, captures queen. Opponent replies Rxc6 (rook c8→c6, captures queen).
5. Best move: Nxe7 — knight d5→e7, captures bishop.

Tactical themes

advantage, middlegame, very long. The key move is Qb4+.

Position data

FEN: 2r2knr/pp3ppp/3q1b2/3N4/4Q3/PK6/1P3PPP/3RR3 b - - 2 24

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