Format
BT
Bonferroni, Thierry
🇨🇭FIDE 1306812· Male· Switzerland· Born in 1987
Follow Thierry BonferroniTrack his monthly FIDE ratings, games, tournaments and more.
Thierry Bonferroni, a 39-year-old Swiss player, is rated 1950. He is progressing steadily with +20 Elo over the past 12 months. 28 rated games in the past year (≈27/year long-term). Recent standard appearances include SMM Ligen 1-4 2026 round 3, 21 Open de Payerne - Open A round 6, and SMM Ligen 1-4 2026 round 2. Also played 2 rapid events (including 21. Open du Jura - Rapid) recently. His peak of 2002 was reached at age 31 (Jun 2018).
At junior level, he reached #20 nationally in U20.
Current rating
1950
Standard
Rpd1985·Blz1959
All-time high
2002
−52 pts below
Jun 2018 · age 31
Jun 2018 · age 31
Activity
28
games / yr avg. · ≈2/mo
26 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#36,656
#36,656 · players worldwide · of 218,279
Career timeline
12 entries2026
33rd Swiss 35-40 player
at age 39 · rated 1962
May 2026
500 career games
at age 39
Mar 2026
2022
85th Swiss 20-35 player
at age 35 · rated 1963
Mar 2022
2018
Crossed 2000
at age 31
Jun 2018
All-time peak 2002
at age 31 · −52 from today
Jun 2018
2017
Best 12-month gain (+82 Elo)
1908 → 1990
Mar 2017
Standard rating history
Peak
FIDE title
Threshold
First rated
COVID-19
FIDE recal.
Activity & highlights
Top opponent
Evolution
+32
1918 → 1950
Tournaments
16
27 games
Score
13/ 2748.1%
11W6D10L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
16 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | May 2026 | 0.5/1 | #11 | 1830 | -3.4 |
Team | May 2026 | 0/1 | #1342 | 1222 | -8.4 |
Swiss | Apr 2026 | 1.5/2 | #1 | 2237 | +14.2 |
Team | Apr 2026 | 1/1 | #145 | 2570 | +5.4 |
Team | Mar 2026 | 0.5/1 | #703 | 2041 | +2.8 |
Team | Mar 2026 | 0/1 | #836 | 976 | -14.2 |
Swiss | Mar 2026 | 1.5/2 | #4 | 2216 | +14.2 |
Open Swiss | Feb 2026 | 2/5 | #59 | 1867 | -12.8 |
Team | Feb 2026 | 0/1 | #1229 | 978 | -14.8 |
Swiss | Feb 2026 | 1/2 | #7 | 2045 | +6.2 |
Most-Played Opponents
vsIgor Kupalov
🇨🇭SUI·1916
+4 −3 =4
11 games·last met Jan 2026
View head-to-head →
vsJean-Robert VesinFM
🇫🇷FRA·2054
+2 −4 =2
8 games·last met Apr 2026
View head-to-head →
vsVivian Rochat
🇨🇭SUI·1957
+3 −0 =3
6 games·last met Apr 2026
View head-to-head →
vsCarlo Bonferroni
🇨🇭SUI·1767
+5 −0 =0
5 games·last met Jan 2026
View head-to-head →
vsSimon StoeriFM
🇨🇭SUI·2276
+0 −5 =0
5 games·last met Dec 2019
View head-to-head →
Rankings
/
Switzerland
#593
out of 3,528 players
Europe
#27,076
in continent
World
#36,655
out of 400,000+
National ranking
Europe & World
Europe
World
Switzerland
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| 593 | 1,950 | |
Europe
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| 27076 | 1,950 | |
World
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| ... | ||
| 36655 | 1,950 | |