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Mazza, Guillermo

🇦🇷

FIDEFIDE 110639· Male· Argentina· Born in 1969

Follow Guillermo MazzaTrack his monthly FIDE ratings, games, tournaments and more.

Guillermo Mazza, a 57-year-old Argentine player, is rated 1691. He has slipped back 62 Elo over the past 12 months. 12 rated games in the past year (≈5/year long-term). Recent appearance: 55 Abierto Ciudad de Mar del Plata. He had 4 career breaks: 23 months (2010–2012), 57 months (2012–2017), 27 months (2017–2019) and 44 months (2019–2023, COVID-19 included). His peak of 1818 was reached at age 55 (Mar 2024).

Current rating

1691

Standard

Rpd—·Blz1806

All-time high

1818

−127 pts below
Mar 2024 · age 55

Activity

15

games / yr avg. · ≈1/mo

12 past 12 mo · ≈1/mo
classical only
Moderately active

Signature stat

#113,234

#113,234 · players worldwide · of 218,279

Career timeline

15 entries
2025
52nd Argentine 55-60 player
at age 56 · rated 1792
Apr 2025
2024
65th Argentine 50-55 player
at age 55 · rated 1818
Apr 2024
Best 12-month gain (+95 Elo)
1723 → 1818
Mar 2024
Crossed 1800
at age 55
Mar 2024
All-time peak 1818
at age 55 · −127 from today
Mar 2024
2019
82nd Argentine 45-50 player
at age 50 · rated 1723
Sep 2019

Standard rating history

Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.

Activity & highlights

Top opponent
vs Domingo Jorge Borghetti 1,515
55 Abierto Ciudad de Mar del Plata · Mar 2026 · +4.7 Elo
Evolution
-62
1753 → 1691
Tournaments
2
14 games
Score
4/ 1428.6%
1W6D7L

Last 12 months — tournaments

2 events
EventDateScoreRankPerfΔ Elo
Campeonato Argentino Senior Supra50 2026
Swiss
May 20260.5/5#191438-27.6
55 Abierto Ciudad de Mar del Plata
Open Swiss
Mar 20263.5/7#1381683-33.0
Worst Elo result: 55 Abierto Ciudad de Mar del Plata (-33.0 Elo, finished #138).

Rankings

/
Argentina
#1,422
out of 3,298 players
Americas
#13,641
in continent
World
#113,230
out of 400,000+

National ranking

Europe & World

Europe
World
Argentina
1
🇦🇷Flores, DiegoFollow Diego FloresTrack their monthly FIDE ratings, games, tournaments and more.
2,582
2
🇦🇷Felgaer, RubenFollow Ruben FelgaerTrack their monthly FIDE ratings, games, tournaments and more.
2,556
3
🇦🇷Peralta, FernandoFollow Fernando PeraltaTrack their monthly FIDE ratings, games, tournaments and more.
2,552
4
🇦🇷Sosa, TomasFollow Tomas SosaTrack their monthly FIDE ratings, games, tournaments and more.
2,546
4
🇦🇷Mareco, SandroFollow Sandro MarecoTrack their monthly FIDE ratings, games, tournaments and more.
2,546
6
🇦🇷Perez Ponsa, FedericoFollow Federico Perez PonsaTrack their monthly FIDE ratings, games, tournaments and more.
2,541
7
🇦🇷Oro, FaustinoFollow Faustino OroTrack their monthly FIDE ratings, games, tournaments and more.
2,537
8
🇦🇷Zarnicki, PabloFollow Pablo ZarnickiTrack their monthly FIDE ratings, games, tournaments and more.
2,508
9
🇦🇷Kiselev, VitaliiFollow Vitalii KiselevTrack their monthly FIDE ratings, games, tournaments and more.
2,507
10
🇦🇷Obregon, Andres CarlosFollow Andres Carlos ObregonTrack their monthly FIDE ratings, games, tournaments and more.
2,506
...
1422🇦🇷Mazza, Guillermo1,691
Americas
1
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
1
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,792
3
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,753
4
🇺🇸Niemann, Hans MokeFollow Hans Moke NiemannTrack their monthly FIDE ratings, games, tournaments and more.
2,742
5
🇺🇸Dominguez Perez, LeinierFollow Leinier Dominguez PerezTrack their monthly FIDE ratings, games, tournaments and more.
2,732
6
🇺🇸Aronian, LevonFollow Levon AronianTrack their monthly FIDE ratings, games, tournaments and more.
2,724
7
🇺🇸Liang, AwonderFollow Awonder LiangTrack their monthly FIDE ratings, games, tournaments and more.
2,696
7
🇺🇸Sevian, SamuelFollow Samuel SevianTrack their monthly FIDE ratings, games, tournaments and more.
2,696
9
🇺🇸Xiong, JefferyFollow Jeffery XiongTrack their monthly FIDE ratings, games, tournaments and more.
2,656
10
🇺🇸Robson, RayFollow Ray RobsonTrack their monthly FIDE ratings, games, tournaments and more.
2,653
...
13641🇦🇷Mazza, Guillermo1,691
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,841
2
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
2
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,792
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
4
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
6
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,764
8
🇮🇳Erigaisi ArjunFollow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more.
2,761
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,753
9
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
113230🇦🇷Mazza, Guillermo1,691