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 1767. He is progressing steadily with +26 Elo over the past 12 months. 45 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

1767

Standard

Rpd1872·Blz1781

All-time high

1982

−215 pts below
Apr 2008 · age 51

Activity

25

games / yr avg. · ≈2/mo

37 past 12 mo · ≈3/mo
classical only
Moderately active

Signature stat

#86,863

#86,863 · players worldwide · of 218,279

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

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

Activity & highlights

Best result
European Senior Chess Championship 2026 - Over 65 - Open
perf 1850 (+83) · 4/9 · #84
Top opponent
vs Gabriele Mileto 2,077
European Senior Chess Championship 2026 - Over 65 - Open · Jun 2026 · +7.1 Elo
Evolution
+7
1760 → 1767
Tournaments
13
49 games
Score
23/ 4946.9%
11W26D12L

Last 12 months — tournaments

13 events
EventDateScoreRankPerfΔ Elo
European Senior Chess Championship 2026 - Over 65 - Open
Open Swiss
Jun 20264/9#841850+17.2
21 Open de Payerne - Open A round 7
Swiss
May 20261/1#22434+4.8
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
21 Open de Payerne - Open A Round 2-3
Swiss
Feb 20261/2#101762-0.2
21 Open de Payerne - Open A Round 1
Swiss
Jan 20260/1#141158-4.4
21. Open du Jura - Standard
Open Swiss
Nov 20252/3#712033+14.2
Worst Elo result: FE 23 Spilimbergo - B (-28.0 Elo, finished #47).

Most-Played Opponents

vsThierry Bonferroni
🇨🇭SUI·1950
+0 −5 =0
5 games·last met Jan 2026
View head-to-head →
vsPierre-Andre Buffat
🇨🇭SUI·1641
+4 −1 =0
5 games·last met Mar 2025
View head-to-head →
vsCedric Peclard
🇨🇭SUI·1660
+3 −0 =2
5 games·last met Feb 2023
View head-to-head →

Rankings

/
Switzerland
#1,621
out of 3,528 players
Europe
#62,391
in continent
World
#86,861
out of 400,000+

National ranking

Europe & World

Europe
World
Switzerland
1
🇨🇭Milov, VadimFollow Vadim MilovTrack their monthly FIDE ratings, games, tournaments and more.
2,577
2
🇨🇭Bogner, SebastianFollow Sebastian BognerTrack their monthly FIDE ratings, games, tournaments and more.
2,547
3
🇨🇭Peng, Li MinFollow Li Min PengTrack their monthly FIDE ratings, games, tournaments and more.
2,541
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.
2,496
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
...
1621🇨🇭Bonferroni, Carlo1,767
Europe
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,841
2
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,767
3
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,764
4
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,744
5
🇵🇱Duda, Jan-KrzysztofFollow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more.
2,739
6
🇭🇺Rapport, RichardFollow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more.
2,729
7
🇳🇱Van Foreest, JordenFollow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more.
2,728
8
🇫🇷Vachier-Lagrave, MaximeFollow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more.
2,721
9
🇦🇿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.
2,713
...
62391🇨🇭Bonferroni, Carlo1,767
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
...
86861🇨🇭Bonferroni, Carlo1,767