Chess game between IM Jean-Luc Roos and FM Norbert Heck in Round 4: Roos, Jean-Luc - Heck, Norbert, Round 4.1. Result: 1-0.
Round 4.1 · Jun 22, 2026 · 1-0 · TC Classical
B28 · Sicilian Defense: O'Kelly Variation, Venice System
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