Format
KM
Kosonen, Markku
🇫🇮FIDE 507709· Male· Finland· Born in 1945
Follow Markku KosonenTrack his monthly FIDE ratings, games, tournaments and more.
Markku Kosonen, a 81-year-old Finnish player, is rated 1488. He plays occasionally (3 games in the last 12 months). Recent appearance: 23rd Bangkok Chess Club Challenger 2026. His peak of 1533 was reached at age 80 (Sep 2025).
Current rating
1488
Standard
Rpd—·Blz—
All-time high
1533
−45 pts below
Sep 2025 · age 80
Sep 2025 · age 80
Activity
10
games / yr avg. · ≈1/mo
3 past 12 mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#189,180
#189,180 · players worldwide · of 216,808
Career timeline
7 entries2026
20th Finnish 80+ player
at age 81 · rated 1533
Apr 2026
2025
21st Finnish 75-80 player
at age 80 · rated 1533
Dec 2025
All-time peak 1533
at age 80 · −45 from today
Sep 2025
Crossed 1500
at age 80
May 2025
Crossed 1400
at age 80
May 2025
Crossed 1200
at age 80
May 2025
Standard rating history
Last 12 months — activity & highlights
Evolution
-44
1532 → 1488
Tournaments
1
9 games
Score
3.5/ 938.9%
3W1D5L
Top wins
No noteworthy wins (no Elo gained on any game).
Top 2 losses
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Apr 2026 | 3.5/3 | #111 | 2567 | -43.6 |
Rankings
/
Finland
#731
out of 806 players
Europe
#118,363
in continent
World
#189,102
out of 400,000+
National ranking
Europe & World
Europe
World
Finland
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| ... | ||
| 731 | 1,488 | |
Europe
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| ... | ||
| 118363 | 1,488 | |
World
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| 6 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 7 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
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| ... | ||
| 189102 | 1,488 | |