Chess game between Oleg Iolis and IM Nico Zwirs in Round 4: Iolis, Oleg - Zwirs, Nico, Round 4.3. Result: 0-1.
Round 4.3 · Jun 28, 2026 · 0-1 · TC 60+30
B90 · Sicilian Defense: Najdorf Variation, English Attack
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