Korchnoi–Spassky 1952 — Forced Mate in 3
Objective: Task goal: deliver checkmate in the fewest possible moves. In this position, there is a mate in 3.
Position and task condition
A position from Viktor Korchnoi–Boris Spassky, Leningrad 1952. White's king has very little space and Black's pieces are ideally placed for a direct attack. This is a good exercise in calculating a short and concrete mating sequence.
FEN
3r3k/6pp/r3bB2/2R5/1q2p3/4Q3/1N5P/2K1R3 b - - 0 1Viktor Korchnoi – Boris Spassky · 1952 · Leningrad, 1952