authors: 
  - LAKATOS M.
  - Lakatoš, Miloš
source: Original 1983 (1439)
algebraic: 
  white: [Ke8, Qf4, Pc5, Pc4]
  black: [Ke6, Pf7]
stipulation: "#2"
solution: |
  "1...f6[a] 2.Qe4#[A]
  1...f5[b] 2.Qd6#[B]
  
  1.Qd4?? zz
     1...f6[a] 2.Qd5#[C]/Qe4#[A]
     1...f5[b] 2.Qd6#[B]
  but 1...Kf5!
  
  1.Qg5! zz
     1...f6[a] 2.Qd5#[C]
     1...f5[b] 2.Qe7#[D]"
keywords: 
  - Changed mates
  - Mutate