Chess game between FM Matthias Mattenberger and Thomas Bonn in 30e Festival International Jean-Claude Loubatière, Round 1.9. Result: 1-0.
Round 1.9 · Jul 5, 2026 · 1-0 · TC 1h30 + 30s per move / 40 + 30min
E73 · King's Indian Defense: Semi-Averbakh System
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