Chess game between FM Jonathan Pein and Manuel Lamas Mercadal in II Open Internacional Ciudad de Vitoria-Gasteiz, Round 4, board 5. Result: 1-0.
Round 4 · Board 5 · Jul 29, 2026 · 1-0 · TC 90+30
B30 · Sicilian Defense: Nyezhmetdinov-Rossolimo Attack
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