Format
PK
Petrov, Kosta
🇨🇭FIDE 1322117· Male· Switzerland· Born in 1948
Follow Kosta PetrovTrack his monthly FIDE ratings, games, tournaments and more.
Kosta Petrov, a 78-year-old Swiss player, is rated 1859 — his current career high. He plays occasionally (6 games in the last 12 months). Recent standard appearances include SMM Ligen 1-4 2026 round 2, SGM 2025-2026 (all leagues) Promotion, and SMM Ligen 1-4 2026 round 1.
Current rating
1859
Standard
Rpd—·Blz—
All-time high
1859
at best
May 2026 · age 78
May 2026 · age 78
Activity
18
games / yr avg. · ≈2/mo
6 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#58,854
#58,854 · players worldwide · of 216,808
Career timeline
5 entries2026
29th Swiss 75-80 player
at age 78 · rated 1859
May 2026
All-time peak 1859
at age 78
May 2026
Crossed 1800
at age 78
Feb 2026
Crossed 1600
at age 78
Feb 2026
First FIDE rating
1838 · at age 78
Feb 2026
Standard rating history
Last 12 months — activity & highlights
Evolution
+21
1838 → 1859
Tournaments
7
12 games
Score
5/ 1241.7%
6W6D0L
Top 3 wins
Top losses
Undefeated in the last 12 months.
Last 12 months — tournaments
7 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Apr 2026 | 1/1 | #254 | 2660 | +10.4 |
Team | Apr 2026 | 0.5/1 | #76 | 1864 | +0.4 |
Team | Mar 2026 | 1/1 | #406 | 2559 | +7.8 |
Team | Mar 2026 | 1/1 | #274 | 2335 | +3.0 |
Team | Feb 2026 | 0.5/1 | #835 | 1806 | -0.8 |
Hot streak: 4 tournaments without losing Elo.
Rankings
/
Switzerland
#1,042
out of 3,418 players
Europe
#43,076
in continent
World
#58,854
out of 400,000+
National ranking
Europe & World
Europe
World
Switzerland
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| 1042 | 1,859 | |
Europe
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| ... | ||
| 43076 | 1,859 | |
World
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| 58854 | 1,859 | |