Chess Puzzle #M5Kni — Advanced, Black to move, opening

Position

White: king e1; queen g3; rooks a1/h1; bishops b3/e3; knights b1/g1; pawns a2/b2/e4/f2/g2/h2. Black: king e8; queen c7; rooks a8/h8; bishops f8/g4; knights d4/f6; pawns a6/b7/d6/e7/f7/g7/h7. Black is ahead by 1 point of material. Black to move.

Solution (2 moves)

1. Opponent setup: Bxd4 — bishop e3→d4, captures knight. Now Black to move.
2. Best move: Qc1+ — queen c7→c1, gives check. Opponent replies Bd1 (bishop b3→d1).
3. Best move: Qxd1# — queen c1→d1, captures bishop, delivers checkmate.

Tactical themes

mate, mate in 2, opening, short. The combination ends with Qxd1# delivering checkmate.

Position data

FEN: r3kb1r/1pq1pppp/p2p1n2/8/3nP1b1/1B2B1Q1/PP3PPP/RN2K1NR w KQkq - 0 10

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