Mcconnell, Sullivan2203–Petrosian, Tl25430-1

35th Chicago Open 2026 · Round 1.8 · 2026.05.21 · E71 King's Indian Defense: Karpov System · head-to-head →

Stockfish 18 Lite1 threads
on-device engine · eval graph, accuracy, blunders
Open in explorer←/→ moves · ↑/↓ variations · drag pieces to branch
Mcconnell, Sullivan vs Petrosian, Tl, 35th Chicago Open 2026 2026 · Prep DB