Challenge 1462 / 1747

Bronstein–Polugaevsky: one move holds everything together

URS-ch39 1971. At move 49 there is exactly one move for Black, and both engines agree on it, nothing else comes close. Find it, then beat Lev Polugaevsky from there.

Polugaevsky, Lev – Bronstein, David I
URS-ch39 1971 · 0-1
You play Black
Portrait of Lev Polugaevsky

Lev Polugaevsky

“The Analyst”
Soviet Era Peak 2660
  • Opponent: Lev Polugaevsky
  • Difficulty: FIDE Master
  • Goal: Beat the personality.
  • Reward: David Bronstein challenge · URS-ch39 1971. At move 49 there is exactly one move for Black, and both engines agree on it, nothing else comes close. Find it, then beat Lev Polugaevsky 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