Chess game between Gustavo Valcarcel Sierra and Jaime Alfonso Pena Gomez in Round 4: Valcarcel Sierra, Gustavo - Pena Gomez, Jaime Alfonso, Round 4.23. Result: 1-0.
Round 4.23 · Jun 14, 2026 · 1-0 · TC 60+30
D20 · Queen's Gambit Accepted: Old Variation
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