Format
BJ
Bosson, Jean-Claude
🇨🇭FIDE 1303554· Male· Switzerland· Born in 1947
Follow Jean-Claude BossonTrack his monthly FIDE ratings, games, tournaments and more.
Jean-Claude Bosson, a 79-year-old Swiss player, is rated 1835 — his current career high. He plays occasionally (9 games in the last 12 months) and took a 13-month break between May 2024 and Jul 2025. Recent standard appearances include SMM Ligen 1-4 2026 round 2, Coupe du Leman 2025-2026 Vaud Category C, and SMM Ligen 1-4 2026 round 1.
Current rating
1835
Standard
Rpd—·Blz—
All-time high
1835
at best
May 2026 · age 79
May 2026 · age 79
Activity
5
games / yr avg.
9 past 12 mo · ≈1/mo
classical only
Occasional
classical only
Occasional
Signature stat
#65,713
#65,713 · players worldwide · of 218,279
Career timeline
12 entries2026
All-time peak 1835
at age 79
May 2026
2024
Inactive for 13 months
paused at 1810 → returned at 1819
May 2024
Best 12-month gain (+98 Elo)
1731 → 1829
Apr 2024
Re-crossed 1800
at age 77
Mar 2024
2023
16th Swiss 75-80 player
at age 76 · rated 1737
Dec 2023
2022
37th Swiss 70-75 player
at age 75 · rated 1739
May 2022
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Evolution
+16
1819 → 1835
Tournaments
4
10 games
Score
6/ 1060.0%
6W0D4L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
4 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Apr 2026 | 1/1 | #167 | 2527 | +7.2 |
Team | Mar 2026 | 3/5 | #8 | 1918 | -10.4 |
Team | Mar 2026 | 1/1 | #176 | 2669 | +11.2 |
Team | Sep 2025 | 1/1 | #52 | 2552 | +8.2 |
Rankings
/
Switzerland
#1,180
out of 3,528 players
Europe
#47,945
in continent
World
#65,712
out of 400,000+
National ranking
Europe & World
Europe
World
Switzerland
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| ... | ||
| 1180 | 1,835 | |
Europe
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
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| 4 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,744 |
| 5 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
| 6 | 🇭🇺Follow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more. | 2,729 |
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| 8 | 🇫🇷Follow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more. | 2,721 |
| 9 | 🇦🇿Follow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,717 |
| 10 | 🇹🇷Follow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more. | 2,713 |
| ... | ||
| 47945 | 1,835 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
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| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 4 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 6 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 8 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
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| ... | ||
| 65712 | 1,835 | |