GM Sion Radamantys Galaviz Medina Full name Sion Radamantys Galaviz Medina Born Jun 27, 2005 (age 20) Place of birth Sinaloa, Mexico Federation Mexico Profiles # World Ranking 2513 Classical 2437 Rapid 2438 Blitz Bio Most Played Openings White Pieces Queen's Gambit Declined: Exchange, Positional Line (3 games) Benko Gambit (2 games) Semi-Slav Defense: Main Line, Stoltz Variation (1 games) Queen's Gambit Declined: Ragozin Defense (1 games) Dutch Defense: Classical, Rubinstein Variation (1 games) Black Pieces Sicilian Defense: Open, Najdorf Variation (3 games) Queen's Gambit Declined: Three Knights, Vienna Variation (2 games) Sicilian Defense: Canal Attack (2 games) Queen's Gambit Declined (2 games) Sicilian Defense: Anti-Qxd4 Move-Order (1 games) Games Players Result Moves Year Sion Radamantys Galaviz Medina (2679) Zurab Javakhadze (2855) 1-0 72 2026 Sion Radamantys Galaviz Medina (2665) Eric Rosen (2865) 1-0 61 2026 Sion Radamantys Galaviz Medina (2639) Sergei Zhigalko (3020) 1-0 66 2026 Sion Radamantys Galaviz Medina (2650) Burak Ozalp (2534) 1-0 36 2026 Sion Radamantys Galaviz Medina (2641) Tyrell Harriott (2417) 1-0 80 2026 Sion Radamantys Galaviz Medina (2635) Dean Klobucar (2534) 1-0 28 2026 Sion Radamantys Galaviz Medina (2636) Philipp Mester (2490) 1-0 23 2026 Sion Radamantys Galaviz Medina (2689) Akylzhan Meirkhanuly (2524) 1-0 24 2026 Sion Radamantys Galaviz Medina (2693) Sasha-Matei Craciun (2441) 1-0 26 2026 Sion Radamantys Galaviz Medina (2689) Eleftherios Boutikos (2500) 1-0 38 2026 Show All Games