Mario Leon

ARG · K=20 · Peak 1909 (By Jul 2008)

Best performance: 2233 at IRT Ciudad de Olavarria(Best of 2020)

World #=64005 live1835#62,170 publishedArgentina #=826

OCT26 Rating

1848

Live Rating

1848.0

Change

0.0

Games Played

How live ratings are calculated

Rating History · Classical

Loading chart…

Official classical rating by month

List	Rating	Change
Oct 2026	1848	0
Sep 2026	1848	0
Aug 2026	1848	0
Jul 2026	1848	0
Jun 2026	1848	0
May 2026	1848	0
Apr 2026	1848	-14
Mar 2026	1862	0
Feb 2026	1862	0
Jan 2026	1862	0
Dec 2025	1862	0
Nov 2025	1862	+8

Classical games since the October list

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

	Last played	Score	TPR
	Torneo Clasificatorio a la ChallenguerMar 6 – Mar 8TPR 1689	1/4	1689

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

Event timeline · Classical

27 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.

Torneo Clasificatorio a la Challenguer1689
Mar 2026Swissfederation source
Best of 2026Score 1/4Opp avg 1814Start 1862
Semifinales Campeonato Argentino Amateur 2025 Memorial MF. Gustavo Mendez1959
Sep 2025Swissfederation source
Best of 2025Score 3/6Opp avg 1834Start 1854
TORNEO 25 DE MAYO 20251873
May 2025Swissfederation source
#2 in 2025Score 3/6Opp avg 1873Start 1852
IRT MARZO LA221816
Mar 2025Swissfederation source
#3 in 2025Score 2/4Opp avg 1691Start 1852
42 Edicion del Torneo de Playa Union- Rawson- Chubut1705
Feb 2025Swissfederation source
#4 in 2025Score 2/5Opp avg 1705Start 1869
Final Chess Club LA22 20241722
Dec 2024Swissfederation source
#4 in 2024Score 1½/4Opp avg 1809Start 1886
ABIERTO INTERNACIONAL "LA TORRE DEL SUR" 2da. Ed1910
Oct 2024Swissfederation source
Best of 2024Score 4½/7Opp avg 1910Start 1885
Abierto Internacional de Ajedrez Ciudad de Puerto Madryn1840
Aug 2024Swissfederation source
#2 in 2024Score 2½/6Opp avg 1840Start 1893
Torneo IRT Sub 2400 "Ciudad de Victorica"1754
Jan 2024Swissfederation source
#3 in 2024Score 1½/5Opp avg 1754Start 1827
Abierto Internacional Magistral XXIII "102 Aniversario de Rio Grande"1738
Jul 2023Swissfederation source
Best of 2023Score 4/7Opp avg 1863Start 1853
TORNEO IRT JUNIO LA221735
Jun – Jul 2023Swissfederation source
#2 in 2023Score 1/5Opp avg 1860Start 1873
II TORNEO ABIERTO INTERNACIONAL CIUDAD DE BAHIA BLANCA1691
Jun 2023Swissfederation source
#3 in 2023Score 4½/7Opp avg 1634Start 1873
1er Torneo Abierto IRT de Lago Puelo2206
Nov 2022Swissfederation source
Best of 2022Score 5/7Opp avg 2134Start 1829
Memorial Jorge Herrera1571
Aug 2022Swissfederation source
#2 in 2022Score 3½/6Opp avg 1514Start 1859
LA 221794
Sep 2021Round robinfederation source
Best of 2021Score 7/9Opp avg 1794Start 1844
Torneo de Fin de anio ADAR—(2)
Dec 2020Swissfederation source
Score 3½/4Opp avg 1892Start 1831
IRT Ciudad de Olavarria2233
Feb 2020Swissfederation source
Best of 2020Score 4/5Opp avg 1993Start 1780
Torneo de Verano ADAR—(2)
Jan 2020Swissfederation source
Score 3½/5Opp avg 2107Start 1775
6to IRT sub-2200 Alejandro Judewicz1793
Sep 2019Swissfederation source
Best of 2019Score 4/7Opp avg 1793Start 1780
2do IRT Sub 2200 Ciudad de Bahia Blanca1714
Sep 2019Swissfederation source
#2 in 2019Score 3½/7Opp avg 1786Start 1780
Final Campeonato Arg. Amateur Sub 2000 -20181668
Nov 2018Swissfederation source
#2 in 2018Score 3/8Opp avg 1755Start 1870
Torneo Abierto Complejo Recreativo Betania1823
Feb 2018Swissfederation source
Best of 2018Score 3/6Opp avg 1823Start 1895
XLII Abierto Internacional de Mar del Plata—(2)
Apr 2011Swissfederation source
Score 4/9Opp avg 2287Start 1900
41 Abierto Internacional Mar del Plata1882
Mar 2010Swissfederation source
Best of 2010Score 2/8Opp avg 2155Start 1902
XL Abierto de Mar del Plata—(2)
Apr 2009Swissfederation source
Score 5/9Opp avg 2276Start 1909

Rated near Mario Leon · Classical

World

#=64005Zbigniew Glatty1848.0
#=64005Marek Szczerba1848.0
#=64005Mario Leon1848.0
#=64005Dao Thien Kim1848.0
#=64005Le Van Loi1848.0

Argentina

#=824Diego Zalazar1848.4
#=824Jose Rubilar1848.4
#=826Mario Leon1848.0
#=826Gabriel Charalambous1848.0
#828Raul Antonio Vecchio1847.8

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