CChessStats
Format
BC

Bonferroni, Carlo

🇨🇭

FIDEFIDE 1314807· Male· Switzerland· Born in 1957

Follow Carlo BonferroniTrack his monthly FIDE ratings, games, tournaments and more.

Carlo Bonferroni, a 69-year-old Swiss player, is rated 1762. He has fluctuated between 1723 and 1762 over the past 2 years. 44 rated games in the past year (≈17/year long-term). Recent standard appearances include 21 Open de Payerne - Open A round 6, Open de la Broye - Cat. A, and SMM Ligen 1-4 2026 round 1. Also played 1 rapid event (including 21. Open du Jura - Rapid) recently. His peak of 1982 was reached at age 51 (Apr 2008).

Current rating

1762

Standard

Rpd1872·Blz1781

All-time high

1982

−220 pts below
Apr 2008 · age 51

Activity

24

games / yr avg. · ≈2/mo

44 past 12 mo · ≈4/mo
classical only
Moderately active

Signature stat

#88,368

#88,368 · players worldwide · of 216,808

Career timeline

12 entries
2025
Best 12-month gain (+185 Elo)
1559 → 1744
Jan 2025
2023
80th Swiss 65-70 player
at age 66 · rated 1595
Jan 2023
2022
87th Swiss 60-65 player
at age 65 · rated 1655
Apr 2022
2020
Inactive for 15 months
paused at 1670 → returned at 1663
Apr 2020
2013
100 career games
at age 56
Jul 2013
69th Swiss 55-60 player
at age 56 · rated 1856
Apr 2013

Standard rating history

Last 12 months — activity & highlights

Best result
Bundesturnier HT2 2025
perf 1852 (+92) · 4/7 · #25
Top opponent
vs Matthias Roth 1,990
21. Open du Jura - Standard · Nov 2025 · +6.2 Elo
Evolution
+21
1741 → 1762
Tournaments
13
47 games
Score
22/ 4746.8%
12W22D13L
Top 3 losses
1.[L]vsRemi Boivin1,662·20. Open de Payerne round 6-7·R6·-12.2
2.[L]vsDavide Loggia1,795·WE 14 Citta' di Biella - B·R2·-8.1
3.[L]vsDominic Bucher1,843·Bundesturnier HT2 2025·R1·-7.7

Last 12 months — tournaments

top 10 of 13
EventDateScoreRankPerfΔ Elo
21 Open de Payerne - Open A round 6
Swiss
Apr 20260.5/1#71813+2.0
Open de la Broye - Cat. A
Open Swiss
Mar 20261.5/3#281843+8.0
SMM Ligen 1-4 2026 round 1
Team
Mar 20261/1#3782485+8.4
21 Open de Payerne - Open A Round 4-5
Swiss
Mar 20261/2#61782+1.8
24. Burgdorfer Stadthaus-Open 2026 Kat. B
Swiss
Feb 20263/5#101795+9.0
Worst Elo result: FE 23 Spilimbergo - B (-28.0 Elo, finished #47).

Rankings

/
Switzerland
#1,640
out of 3,418 players
Europe
#63,349
in continent
World
#88,367
out of 400,000+

National ranking

Europe & World

Europe
World
Switzerland
1
🇨🇭Milov, VadimFollow Vadim MilovTrack their monthly FIDE ratings, games, tournaments and more.
2,576
2
🇨🇭Bogner, SebastianFollow Sebastian BognerTrack their monthly FIDE ratings, games, tournaments and more.
2,546
3
🇨🇭Peng, Li MinFollow Li Min PengTrack their monthly FIDE ratings, games, tournaments and more.
2,535
4
🇨🇭Demuth, AdrienFollow Adrien DemuthTrack their monthly FIDE ratings, games, tournaments and more.
2,523
5
🇨🇭Georgiadis, NicoFollow Nico GeorgiadisTrack their monthly FIDE ratings, games, tournaments and more.
2,520
6
🇨🇭Pelletier, YannickFollow Yannick PelletierTrack their monthly FIDE ratings, games, tournaments and more.
2,514
7
🇨🇭Kosteniuk, AlexandraFollow Alexandra KosteniukTrack their monthly FIDE ratings, games, tournaments and more.
2,491
8
🇨🇭Georgiadis, IoannisFollow Ioannis GeorgiadisTrack their monthly FIDE ratings, games, tournaments and more.
2,483
9
🇨🇭Vernay, ClovisFollow Clovis VernayTrack their monthly FIDE ratings, games, tournaments and more.
2,465
10
🇨🇭Jenni, FlorianFollow Florian JenniTrack their monthly FIDE ratings, games, tournaments and more.
2,462
...
1640🇨🇭Bonferroni, Carlo1,762
Europe
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,840
2
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,767
3
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,759
3
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,759
5
🇵🇱Duda, Jan-KrzysztofFollow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more.
2,739
6
🇳🇱Van Foreest, JordenFollow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more.
2,735
7
🇭🇺Rapport, RichardFollow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more.
2,729
8
🇫🇷Vachier-Lagrave, MaximeFollow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more.
2,717
8
🇦🇿Mamedyarov, ShakhriyarFollow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more.
2,717
10
🇹🇷Erdogmus, Yagiz KaanFollow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more.
2,708
...
63349🇨🇭Bonferroni, Carlo1,762
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,840
2
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
3
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,788
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,780
5
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,776
6
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,759
7
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,759
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,754
10
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
88367🇨🇭Bonferroni, Carlo1,762