Koellner, Aaron Noah2217–Ostovic, M24030-1

38th Sonnenterassen Open · Round 4.6 · 2025.08.05 · D04 Queen's Pawn Game: Colle System · head-to-head →

Stockfish 18 Lite1 threads
on-device engine · eval graph, accuracy, blunders
Open in explorer←/→ moves · ↑/↓ variations · drag pieces to branch
Koellner, Aaron Noah vs Ostovic, M, 38th Sonnenterassen Open 2025 · Prep DB