Round 4: Petersohn, Sadko - Birken, Michael · Round 4.21

Petersohn, Sadko · 1–0 · Birken, Michael

Dec 29, 2025 · A46 · Indian Defense: Wade-Tartakower Defense

White

1721 EloFIDE 12966711

Black

1972 EloFIDE 34600892

PGN

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Petersohn, Sadko vs Birken, Michael · Round 4: Petersohn, Sadko - Birken, Michael Dec 29, 2025 · Chesscope