Format
BB
Ballmer, Boris
🇨🇭FIDE 1333925· Male· Switzerland· Born in 1975
Follow Boris BallmerTrack his monthly FIDE ratings, games, tournaments and more.
Boris Ballmer, a 51-year-old Swiss player, is rated 1966. He plays occasionally (1 game in the last 12 months) and had 2 career breaks: 80 months (2017–2024) and 20 months (2024–2025). Recent appearance: SGM 2025-2026 (all leagues) Round 1-2. Also played 2 blitz events (including Biel Chess Festival 2025 - BTZ) recently. His peak of 2012 was reached at age 41 (Feb 2016).
Current rating
1966
Standard
Rpd—·Blz1948
All-time high
2012
−46 pts below
Feb 2016 · age 41
Feb 2016 · age 41
Activity
—
1 past 12 mo
classical only
classical only
Signature stat
#33,431
#33,431 · players worldwide · of 216,808
Career timeline
12 entries2026
57th Swiss 50-55 player
at age 51 · rated 1966
May 2026
2025
44th Swiss 45-50 player
at age 50 · rated 1966
Dec 2025
2024
Inactive for 20 months
paused at 1975 → returned at 1966
Mar 2024
2017
Inactive for 80 months
paused at 1958 → returned at 1975
Jun 2017
2016
K-factor lowered to 20
at age 41
Dec 2016
55th Swiss 40-45 player
at age 41 · rated 2012
Aug 2016
Standard rating history
Last 12 months — activity & highlights
Evolution
-9
1975 → 1966
Tournaments
1
1 games
Score
0/ 10.0%
0W0D1L
Top wins
No standard wins or draws in the last 12 months.
Top 1 loss
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Nov 2025 | 0/1 | #1306 | 1211 | -9.0 |
Rankings
/
Switzerland
#525
out of 3,418 players
Europe
#24,716
in continent
World
#33,431
out of 400,000+
National ranking
Europe & World
Europe
World
Switzerland
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Europe
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| 24716 | 1,966 | |
World
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