Sion Radamantys Galaviz

Sion Radamantys Galaviz
Personal information
Born (2005-06-27) June 27, 2005
Sinaloa, Mexico
Chess career
CountryMexico
TitleInternational Master (2022)
FIDE rating2514 (December 2025)
Peak rating2515 (October 2025)

Sion Radamantys Galaviz Medina[a] (born 2005) is a Mexican chess player who holds the title of International Master.[1] Born in the state of Sinaloa, he currently lives in Mérida, Yucatán.[2][3]

Chess career

In 2022, he took first place in the Alejandro Preve Castro Memorial tournament, finishing ahead of his brother Atlas Adomaitas.[4]

In 2024, he won the gold medal at the CONADE National Games.[5] He represented Mexico at the 45th Chess Olympiad in 2024 in Budapest on board one, scoring 8.5/11 and earning a Grandmaster (GM) norm.[6] Having earned sufficient norms and meeting the rating criteria, as of November 2025 he is a GM-elect.[7]

He qualified to play in the Chess World Cup 2025.[8] At the event, he was defeated by Luis Paulo Supi in the first round.

Notes

  1. ^ In this Spanish name, the first or paternal surname is Galaviz and the second or maternal family name is Medina.

References

  1. ^ "Galaviz Medina, Sion Radamantys FIDE Chess Profile". International Chess Federation (FIDE). Retrieved 2025-11-01.
  2. ^ "Sión Galaviz hace historia: undécimo GM mexicano". Notirvas (in Spanish). 19 September 2025.
  3. ^ "Sion Galaviz es Maestro Internacional". El Diario de Yucatán (in Spanish). 23 December 2021.
  4. ^ "Los hermanos Galaviz Medina, Sión Radamantys y Atlas Adomaitis, hicieron el uno y dos respectivamente en la sexta edición del". Infolliteras (in Spanish). March 28, 2022. Retrieved 2025-11-01.
  5. ^ "Sion Galaviz Medina da a Yucatán su primera medalla de oro en ajedrez". La Jornada Maya (in Spanish). May 25, 2024. Retrieved 2025-11-01.
  6. ^ "Chess-Results Server Chess-results.com - 45th Chess Olympiad Budapest 2024". s3.chess-results.com. Retrieved 2025-11-01.
  7. ^ "Sion Radamantys Galaviz Medina earns GM norm at the Chess Olympiad 2024 – Chessdom". September 21, 2024. Retrieved 2025-11-01.
  8. ^ "World Cup Participants – FIDE World Cup 2025, Goa India, World Chess Cup". Retrieved 2025-10-31.
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