Round 4: Petersohn, Sadko - Birken, Michael · Round 4.21
Petersohn, Sadko · 1–0 · Birken, Michael
Dec 29, 2025 · A46 · Indian Defense: Wade-Tartakower Defense
PGN
PGN body not stored locally. View at the original source.
Round 4: Petersohn, Sadko - Birken, Michael · Round 4.21
Dec 29, 2025 · A46 · Indian Defense: Wade-Tartakower Defense
PGN body not stored locally. View at the original source.