Format
BJ
Bosma, Jan
🇳🇱FIDE 1046837· Male· Netherlands· Born in 2000
Follow Jan BosmaTrack his monthly FIDE ratings, games, tournaments and more.
Jan Bosma, a 26-year-old Dutch player, is rated 1946 — just 20 short of his peak of 1966 (Mar 2024, age 24). He plays occasionally (5 games in the last 12 months) and took a 31-month break between Mar 2023 and Nov 2025. Recent appearance: Amsterdam Chess Open 2025 Group A.
At junior level, he reached #26, #30 and #35 nationally in U20, U18 and U16.
Current rating
1946
Standard
Rpd—·Blz—
All-time high
1966
−20 pts below
Mar 2024 · age 24
Mar 2024 · age 24
Activity
2
games / yr avg.
5 past 12 mo
classical only
Occasional
classical only
Occasional
Signature stat
#37,473
#37,473 · players worldwide · of 218,279
Career timeline
10 entries2024
All-time peak 1966
at age 24 · −20 from today
Mar 2024
2023
Inactive for 31 months
paused at 1943 → returned at 1946
Mar 2023
2020
26th Dutch U20 player
at age 20 · rated 1895
Oct 2020
2019
Best 12-month gain (+168 Elo)
1699 → 1867
Apr 2019
K-factor lowered to 20
at age 19
Jan 2019
2018
30th Dutch U18 player
at age 18 · rated 1841
Dec 2018
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Evolution
-20
1966 → 1946
Tournaments
1
6 games
Score
1.5/ 625.0%
1W1D4L
Top 1 win
Top 3 losses
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Oct 2025 | 1.5/5 | #93 | 1967 | -20.4 |
Rankings
/
Netherlands
#1,576
out of 4,909 players
Europe
#27,693
in continent
World
#37,472
out of 400,000+
National ranking
Europe & World
Europe
World
Netherlands
| 1 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 2 | 🇳🇱Follow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more. | 2,728 |
| 3 | 🇳🇱Follow Loek Van WelyTrack their monthly FIDE ratings, games, tournaments and more. | 2,636 |
| 4 | 🇳🇱Follow Erwin L'AmiTrack their monthly FIDE ratings, games, tournaments and more. | 2,592 |
| 5 | 🇳🇱Follow Casper SchoppenTrack their monthly FIDE ratings, games, tournaments and more. | 2,589 |
| 6 | 🇳🇱Follow Dimitri ReindermanTrack their monthly FIDE ratings, games, tournaments and more. | 2,574 |
| 7 | 🇳🇱Follow Ivan SokolovTrack their monthly FIDE ratings, games, tournaments and more. | 2,567 |
| 8 | 🇳🇱Follow Jan SmeetsTrack their monthly FIDE ratings, games, tournaments and more. | 2,564 |
| 9 | 🇳🇱Follow Benjamin BokTrack their monthly FIDE ratings, games, tournaments and more. | 2,560 |
| 10 | 🇳🇱Follow Erik Van den DoelTrack their monthly FIDE ratings, games, tournaments and more. | 2,549 |
| ... | ||
| 1576 | 1,946 | |
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 |
| 3 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 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 |
| 7 | 🇳🇱Follow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more. | 2,728 |
| 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 |
| ... | ||
| 27693 | 1,946 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 2 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 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 |
| 9 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 37472 | 1,946 | |