Tal’s queen sacrifice
Objective: White to move. Find the combination that preserves an advantage of at least 2.5.
Position and task condition
Black threatens to invade on a1, but the king has very few squares. White must begin a forcing sequence before the defence consolidates.
FEN
r1bb1r1k/p4ppp/2p2n1N/7Q/2p5/2B2N2/qPP2PPP/2KR3R w - - 2 19Theme: Queen sacrifice and overload
Mikhail Tal – Vasily Smyslov · 1959 · Candidates Tournament, Bled