Zavortink, Matt2161–Petesch, Gabriel23120-1

National Open 2026 · Round 4.19 · 2026.06.12 · A04 Zukertort Opening: Black Mustang Defense · head-to-head →

Stockfish 18 Lite1 threads

on-device engine · eval graph, accuracy, blunders

Open in explorer←/→ moves · ↑/↓ variations · drag pieces to branch