IM Ruben Gideon Koellner vs Niklas Wunder - Oberbank Challenger Open 2026, Round 2 | ChessEver

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2122

55:30

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87654321

IMRuben Gideon Koellner

2531

53:12

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Trompowsky Attack· A45

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Oberbank Challenger Open 2026

Round 2 · Board 1 · Aug 12, 2026 · Live

A45 · Trompowsky Attack

IM Ruben Gideon Koellner

2531GERFIDE 12993093

2122GERFIDE 12933031

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