Chess game between Konstantin Mueller and Cao Kien Binh in FIDE World U9-U17 Rapid Chess Championships | U9 Open, Round 4, board 12. Result: 1-0.
Round 4 · Board 12 · Dec 17, 2025 · 1-0 · TC 15+10
B94 · Sicilian Defense: Najdorf Variation
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