Chess Puzzle #KhR06 — Advanced, Black to move, middlegame

Position

White: king e3; queen a5; rook c1; bishops a2/d2; knights c3/g1; pawns a3/d5/e4/f3. Black: king d7; queen g2; rooks a8/g3; knight e5; pawns a6/b5/c7/d6/f6/h7. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Nxb5 — knight c3→b5, captures pawn. Now Black to move.
2. Best move: Rxf3+ — rook g3→f3, captures pawn, gives check. Opponent replies Nxf3 (knight g1→f3, captures rook).
3. Best move: Qxf3+ — queen g2→f3, captures knight, gives check. Opponent replies Kd4 (king e3→d4).
4. Best move: Qd3# — queen f3→d3, delivers checkmate.

Tactical themes

long, mate, mate in 3, middlegame. The combination ends with Qd3# delivering checkmate.

Position data

FEN: r7/2pk3p/p2p1p2/Qp1Pn3/4P3/P1N1KPr1/B2B2q1/2R3N1 w - - 5 29

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