Wang, Isaac2370–Koustav, Chatterjee24750-1

35th North American Open · Round 4.8 · 2025.12.27 · D38 Queen's Gambit Declined: Ragozin Defense · head-to-head →

Stockfish 18 Lite1 threads
on-device engine · eval graph, accuracy, blunders
Open in explorer←/→ moves · ↑/↓ variations · drag pieces to branch
Wang, Isaac vs Koustav, Chatterjee, 35th North American Open 2025 · Prep DB