Knezevic–Kasparov 1979 — Precise Mate in 3
Objective: Black to move. Deliver checkmate in the fewest possible moves. Against best defence, it is mate in 3.
Position and task condition
White's king is in the centre but has a queen and bishops nearby. Black has a dangerous pawn close to promotion. One check is not enough: calculate what happens if White tries to block the attack.
FEN
6k1/5pp1/8/1bBn1q1p/1P5P/5PP1/3Qp1B1/4K3 b - - 1 39Milorad Knežević – Garry Kasparov · 1979 · Banja Luka, 1979