Problem No. 77 by R. David, England. White to play and mate in two moves.
FEN 8/1PP1kPPP/1nKNNn2/8/8/8/8/8 w - - 0 1
Solution: 1. f8=N Nfd7 2. g8=N#
Mikhail Botvinnik vs Vasily Smyslov
Botvinnik - Smyslov World Championship Match (1957), Moscow URS, rd 3, Mar-09
King's Indian Defense: Fianchetto. Panno Variation Blockade Line (E63) 1/2-1/2