Format
MR
Mazzoni, Renzo
🇨🇭FIDE 1301616· Male· Switzerland· Born in 1941
Follow Renzo MazzoniTrack his monthly FIDE ratings, games, tournaments and more.
Renzo Mazzoni, a 85-year-old Swiss player, is rated 1620. He has held steady between 1600 and 1650 for 7 months. 15 rated games in the past year (≈5/year long-term). Recent standard appearances include SMM Ligen 1-4 2026 round 3, SGM 2025-2026 (all leagues) Round 7, and SGM 2025-2026 (all leagues) Round 5-6. He had 3 career breaks: 23 months (2015–2017), 24 months (2018–2020) and 19 months (2023–2025). His peak of 1659 was reached at age 84 (Jul 2025).
Current rating
1620
Standard
Rpd—·Blz—
All-time high
1659
−39 pts below
Jul 2025 · age 84
Jul 2025 · age 84
Activity
7
games / yr avg. · ≈1/mo
15 past 12 mo · ≈1/mo
classical only
Occasional
classical only
Occasional
Signature stat
#139,337
#139,337 · players worldwide · of 218,279
Career timeline
16 entries2025
All-time peak 1659
at age 84 · −39 from today
Jul 2025
2024
Best 12-month gain (+247 Elo)
1397 → 1644
May 2024
Crossed 1600
at age 83
Mar 2024
Re-crossed 1500
at age 83
Mar 2024
2023
Re-crossed 1400
at age 82
Aug 2023
Inactive for 19 months
paused at 1406 → returned at 1639
Aug 2023
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Evolution
-39
1659 → 1620
Tournaments
7
20 games
Score
2.5/ 2012.5%
2W7D11L
Top 2 wins
Top 3 losses
Last 12 months — tournaments
7 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | May 2026 | 0/1 | #910 | 1030 | -4.8 |
Team | Mar 2026 | 0.5/1 | #592 | 1557 | -2.0 |
Team | Feb 2026 | 0/1 | #1408 | 1020 | -5.2 |
Team | Jan 2026 | 0/1 | #1189 | 1110 | -3.4 |
Team | Dec 2025 | 0/1 | #635 | 1065 | -4.4 |
Team | Nov 2025 | 0.5/1 | #29 | 1776 | -6.8 |
Open Swiss | Oct 2025 | 1.5/4 | #36 | 1630 | -13.4 |
Rankings
/
Switzerland
#2,578
out of 3,528 players
Europe
#94,195
in continent
World
#139,328
out of 400,000+
National ranking
Europe & World
Europe
World
Switzerland
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Europe
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World
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