Challenge 110 / 1747

Korchnoi–Petrosian: both engines agree, one move

Moscow-Leningrad 1965. At move 49 there is exactly one move for Black, and both engines agree on it, nothing else comes close. Find it, then beat Tigran Petrosian from there.

Petrosian, Tigran V – Kortschnoj, Viktor
Moscow-Leningrad 1965 · 0-1
You play Black
Portrait of Tigran Petrosian

Tigran Petrosian

“Iron Tigran”
Soviet Era Peak 2680
  • Opponent: Tigran Petrosian
  • Difficulty: FIDE Master
  • Goal: Beat the personality.
  • Reward: Viktor Korchnoi challenge · Moscow-Leningrad 1965. At move 49 there is exactly one move for Black, and both engines agree on it, nothing else comes close. Find it, then beat Tigran Petrosian 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