Format
BB
Bos, Bas
🇳🇱FIDE 1056719· Male· Netherlands· Born in 1954
Follow Bas BosTrack his monthly FIDE ratings, games, tournaments and more.
Bas Bos, a 72-year-old Dutch player, is rated 1822 — just 9 short of his peak of 1831 (Mar 2024, age 70). He has held steady between 1800 and 1850 for 2 years. 10 rated games in the past year (≈6/year long-term). Recent appearances: Dutch Team Competition - klasse 4 Round 6 and Tata Steel Chess 2026 - Tienkampen. He had 2 career breaks: 33 months (2020–2023, COVID-19 included) and 22 months (2024–2026).
Current rating
1822
Standard
Rpd—·Blz—
All-time high
1831
−9 pts below
Mar 2024 · age 70
Mar 2024 · age 70
Activity
7
games / yr avg. · ≈1/mo
10 past 12 mo · ≈1/mo
classical only
Occasional
classical only
Occasional
Signature stat
#69,488
#69,488 · players worldwide · of 216,808
Career timeline
9 entries2026
K-factor lowered to 20
at age 72
Mar 2026
2024
Inactive for 22 months
paused at 1822 → returned at 1830
Apr 2024
Best 12-month gain (+150 Elo)
1681 → 1831
Mar 2024
Crossed 1800
at age 70
Mar 2024
All-time peak 1831
at age 70 · −9 from today
Mar 2024
2020
Inactive for 33 months
paused at 1687 → returned at 1681
Apr 2020
Standard rating history
Last 12 months — activity & highlights
Evolution
0
1822 → 1822
Tournaments
2
10 games
Score
5.5/ 1055.0%
3W5D2L
Top 3 wins
Top 2 losses
Last 12 months — tournaments
2 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Mar 2026 | 0/1 | #624 | 1112 | -7.8 |
Round-Robin | Jan 2026 | 5.5/9 | #89 | 1835 | +7.6 |
Rankings
/
Netherlands
#2,882
out of 4,901 players
Europe
#50,547
in continent
World
#69,488
out of 400,000+
National ranking
Europe & World
Europe
World
Netherlands
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