Format
GT
Gueldenapfel, Thomas
🇨🇭FIDE 1320696· Male· Switzerland· Born in 1963
Follow Thomas GueldenapfelTrack his monthly FIDE ratings, games, tournaments and more.
Thomas Gueldenapfel, a 63-year-old Swiss player, is rated 1437. He has slipped back 52 Elo over the past 12 months. 14 rated games in the past year (≈8/year long-term). Recent standard appearances include 83. Zuercher Stadtmeisterschaft 2026 - Klasse B Round 1-3, 49.Zuercher Weihnachtsopen Allgemein, and Biel Chess Festival 2025 - ATO. His peak of 1513 was reached at age 61 (Mar 2024).
Current rating
1437
Standard
Rpd—·Blz—
All-time high
1513
−76 pts below
Mar 2024 · age 61
Mar 2024 · age 61
Activity
12
games / yr avg. · ≈1/mo
14 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#206,988
#206,988 · players worldwide · of 216,808
Career timeline
10 entries2025
100 career games
at age 62
Aug 2025
2024
Best 12-month gain (+328 Elo)
1185 → 1513
Mar 2024
Crossed 1500
at age 61
Mar 2024
Crossed 1400
at age 61
Mar 2024
Re-crossed 1200
at age 61
Mar 2024
All-time peak 1513
at age 61 · −76 from today
Mar 2024
Standard rating history
Last 12 months — activity & highlights
Evolution
-52
1489 → 1437
Tournaments
3
16 games
Score
2.5/ 1615.6%
1W3D12L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
3 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Apr 2026 | 0/2 | #26 | 813 | -11.4 |
Open Swiss | Dec 2025 | 1.5/5 | #167 | 1474 | -20.2 |
Open Swiss | Jul 2025 | 1/7 | #107 | 1339 | -21.0 |
Rankings
/
Switzerland
#3,135
out of 3,418 players
Europe
#125,270
in continent
World
#206,742
out of 400,000+
National ranking
Europe & World
Europe
World
Switzerland
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Europe
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World
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