Challenge 1335 / 1747

Colle–Rubinstein: both engines agree, one move

Rotterdam 1931. At move 21 there is exactly one move for White, and both engines agree on it, nothing else comes close. Find it, then beat Akiba Rubinstein from there.

Colle, Edgard – Rubinstein, Akiba
Rotterdam 1931 · 1-0
You play White
Portrait of Akiba Rubinstein

Akiba Rubinstein

“The Uncrowned King”
Classical Peak 2660
  • Opponent: Akiba Rubinstein
  • Difficulty: FIDE Master
  • Goal: Beat the personality.
  • Reward: Edgard Colle challenge · Rotterdam 1931. At move 21 there is exactly one move for White, and both engines agree on it, nothing else comes close. Find it, then beat Akiba Rubinstein 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