Chess Puzzle #UNf00 — Advanced, Black to move, middlegame

Position

White: king g2; queen a4; rook a7; bishop f4; pawns a2/c3/d4/f2/g3/h2. Black: king g8; queen d7; rook c8; bishop g5; knight c6; pawns c7/f7/h7. Material is balanced. Black to move.

Solution (2 moves)

1. Opponent setup: Bxg5 — bishop f4→g5, captures bishop. Now Black to move.
2. Best move: Qd5+ — queen d7→d5, gives check. Opponent replies f3 (pawn f2→f3).
3. Best move: Nxa7 — knight c6→a7, captures rook.

Tactical themes

advantage, endgame, fork, master, short. The key move is Qd5+.

Position data

FEN: 2r3k1/R1pq1p1p/2n5/6b1/Q2P1B2/2P3P1/P4PKP/8 w - - 0 21

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