Sion Radamantys Galaviz Medina

MEX · 21 yrs · K=10 · Peak 2538 (Sep 2026)

Best performance: 2658 at CN 1ª divisão 2025-26(Best of 2026)

World #=352 live2#354 publishedMexico #3

OCT26 Rating

2538

Live Rating

2538.0

Change

0.0

Games Played

Rating History · Classical

Loading chart…

Classical games since the October list

No rated standard games this rating periodsince the OCT26 list (Oct 1, 2026)

	Last played	Score	TPR
	Cto. Nacional e Internacional "Aguascalientes 2026". IV Edición. InternacionalAug 5 – Aug 9TPR 2655	7½/9	2655

The live rating moves only when new rated games are played. Until then it matches the published rating.

Title Progress

Grandmaster (FIDE, registered 2025)

Panamerican Junior (U20) Championship Open 2021 Dec 2021—

45th Chess Olympiad Budapest 2024 Open Sep 20248½/11

40th Open Basque Country Sestao 2025 Sep 20257/9

Based on events we cover plus the FIDE norm registers of all federations. Norms filed elsewhere may not show up here yet.

Event timeline · Classical

50 of 78 events

Events before the current rating period show the performance, not a rating change.

Live events show the rating change; earlier events show the performance rating.

Cto. Nacional e Internacional "Aguascalientes 2026". IV Edición. Internacional2655
Aug 2026Swisschess-results.com
#2 in 2026Score 7½/9Opp avg 2382Start 2522
IV COPA PAKAL EL GRANDE: EL DESPERTAR DE LAKAM HA Categoria "Señores de Lakam Ha'" (LIBRE)—(0)
Jul – Aug 2026Swisschess-results.com
Score 6/7Start 2505
CN 1ª divisão 2025-262658
Jul 2026Round robinchess-results.com
Best of 2026Score 7/9Opp avg 2438Start 2505
XIX American Continental Chess Championship 2026 - "Jorge Vega Fernandez in Memoriam"2438
Jun 2026Swisschess-results.com
#4 in 2026Score 6½/11Opp avg 2373Start 2513
LXXI Campeonato Abierto Mexicano "Querétaro 2026" | Internacional2474
Mar – Apr 2026Swisslichess
#3 in 2026Score 6½/9Opp avg 2308Start 2514
FIDE World Cup 2025—(2)
Nov 2025Knockoutfederation source
Score 1/2Opp avg 2575Start 2512
I Campeonato Nacional e Internacional de Ajedrez Monterrey 2025 - Primera2494
Oct 2025Swissfederation source
#6 in 2025Score 6½/9Opp avg 2328Start 2515
Campeonato Nacional Absoluto de Ajedrez Zacatecas 20252387
Sep 2025Swissfederation source
#11 in 2025Score 6½/9Opp avg 2221Start 2498
40th Open Basque Country Sestao 2025GM norm2617
Sep 2025Swissfederation source
Best of 2025Score 7/9Opp avg 2397Start 2498
III Maxistral Xiria Carballo2504
Aug – Sep 2025Round robinfederation source
#4 in 2025Score 7/9Opp avg 2284Start 2497
Maia Chess Open 2025 - Maia Masters2469
Aug 2025Swissfederation source
#7 in 2025Score 6½/9Opp avg 2303Start 2497
TERCERA EDICION DEL CAMPEONATO NACIONAL E INTERNACIONAL DE AJEDREZ "AGUASCALIENTES 2025"2466
Aug 2025Swissfederation source
#8 in 2025Score 6½/9Opp avg 2300Start 2497
Olimpiada Nacional 2025. Sub 20 Varonil. Estandar2511
Jul 2025Swissfederation source
#3 in 2025Score 5½/6Opp avg 2110Start 2494
2025 AGCA GM Invitational - Summer Edition2425
Jun 2025Round robinfederation source
#10 in 2025Score 5/9Opp avg 2382Start 2503
Campeonato Sub-Zonal Absoluto 2.3.12435
Apr 2025Swissfederation source
#9 in 2025Score 7½/9Opp avg 2162Start 2511
Olimpiada Nacional Fase Macroregional "C" Tabasco 2025 Sub 20 Var2156
Apr 2025Swissfederation source
#12 in 2025Score 4/5Opp avg 1916Start 2511
Primer Magistral Internacional de Punta del Este2495
Mar 2025Round robinfederation source
#5 in 2025Score 5/10Opp avg 2495Start 2501
FIDE World Junior Championship 2025 - Open2578
Feb – Mar 2025Swissfederation source
#2 in 2025Score 8/11Opp avg 2403Start 2501
Torneo Internacional de Ajedrez Carlos Torre Repetto "In Memoriam" 2024 Magistral2393
Dec 2024Swissfederation source
#10 in 2024Score 4/6Opp avg 2268Start 2508
Qatar Masters 20242489
Dec 2024Swissfederation source
#7 in 2024Score 5½/9Opp avg 2409Start 2508
Magistral ITT Copa Revolucion2439
Nov 2024Round robinfederation source
#9 in 2024Score 4½/9Opp avg 2439Start 2507
PERLA DE LA FRONTERA INTERNATIONAL CHESS CD. JUAREZ 20242519
Oct – Nov 2024Swissfederation source
#3 in 2024Score 6/7Opp avg 2210Start 2507
45th Chess Olympiad Budapest 2024 OpenGM norm2592
Sep 2024Swisschess-results.com
#2 in 2024Score 8½/11Opp avg 2381Start 2488
30th Abu Dhabi INT. Chess Festival 2024(Masters)2507
Aug 2024Swissfederation source
#6 in 2024Score 5½/9Opp avg 2427Start 2458
2da. Edicion Campeonato Nacional e Internacional de Ajedrez, Aguascalientes 2024. Libre2637
Aug 2024Swissfederation source
Best of 2024Score 7½/9Opp avg 2364Start 2458

Rated near Sion Radamantys Galaviz Medina · Classical

World

#=352GM Sergei Azarov2538.0
#=352GM Pavel V. Tregubov2538.0
#=352GM Sion Radamantys Galaviz Medina2538.0
#=352GM Jun Zhao2538.0
#356GM Konstantin Tarlev2537.5

Mexico

#1GM Jose Eduardo Martinez Alcantara2654.0
#2GM Luis Ernesto Quesada Perez2547.8
#3GM Sion Radamantys Galaviz Medina2538.0
#4GM Juan Carlos Obregon Rivero2465.8
#5GM Juan Carlos Gonzalez Zamora2450.5

Live ratings projected from the OCT26 published list · Not affiliated with FIDE