Plotkin, Mark2360–Tapie, P21381-0

19th American Continental · Round 4.21 · 2026.06.04 · E01 Catalan Opening: Open Defense · head-to-head →

Stockfish 18 Lite1 threads
on-device engine · eval graph, accuracy, blunders
Open in explorer←/→ moves · ↑/↓ variations · drag pieces to branch
Plotkin, Mark vs Tapie, P, 19th American Continental 2026 · Prep DB