Round 1: Castrillon Arevalo, Hector Anibal - Ayala Delgado, Sergio Alejandro · Round 1.2
Castrillon Arevalo, Hector Anibal · 0–1 · Ayala Delgado, Sergio Alejandro
Oct 27, 2025 · D50 · Queen's Gambit Declined: Been-Koomen Variation
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