Koppenens, Oscar2024Bok, B25910-1

Open NK Rapid 2025 · Round 4.21 · 2025.05.03 · B90 Sicilian Defense: Najdorf Variation, English Attack · head-to-head →

Stockfish 18 Lite1 threads
on-device engine · eval graph, accuracy, blunders
Open in explorer←/→ moves · ↑/↓ variations · drag pieces to branch
Koppenens, Oscar vs Bok, B, Open NK Rapid 2025 2025 · Prep DB