Challenge 1115 / 1747

La Bourdonnais–McDonnell: one move holds everything together

London m6 1834. At move 27 there is exactly one move for White, and both engines agree on it, nothing else comes close. Find it, then beat Alexander McDonnell from there.

De Labourdonnais, Louis – McDonnell, Alexander
London m6 1834 · 1-0
You play White
Portrait of Alexander McDonnell

Alexander McDonnell

“The Belfast Champion”
Romantic Peak 2480
  • Opponent: Alexander McDonnell
  • Difficulty: FIDE Master
  • Goal: Beat the personality.
  • Reward: Louis-Charles de La Bourdonnais challenge · London m6 1834. At move 27 there is exactly one move for White, and both engines agree on it, nothing else comes close. Find it, then beat Alexander McDonnell from there.
Collections
  • The Executioner 0/5
  • Second Chances 0/5
  • Technique 0/5
  • Only Move 0/5
  • The Karpov File 0/3
  • The Tal File 0/3
  • The Fischer File 0/3
  • Across the Board from Kortschnoj 0/3