Massachusetts Masters vs Challengers Invitational 2026 · Masters vs Challengers Round 2

Zachary Pan (2271) vs GM Nadezda Kosintseva (2533)

Board 1, Challengers – Masters. Result: 1-0. 42 moves. Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation (B31).

Key moments