Format
CA
Costiou, Arthur
🇫🇷FIDE 551053918· Male· France· Born in 2010
Follow Arthur CostiouTrack his monthly FIDE ratings, games, tournaments and more.
Arthur Costiou, a 16-year-old French player, is rated 1599 — his current career high. He plays occasionally (9 games in the last 12 months). Recent appearance: Festival Saint-Lo 2025 - Open -2000. Also played 1 rapid (including Championnat du Finistere individuel 2025 2026 U16) and 1 blitz events (including Festival Agneaux 2025 - Blitz Individuel Qualifications) recently.
Current rating
1599
Standard
Rpd1509·Blz1546
All-time high
1599
at best
Aug 2025 · age 15
Aug 2025 · age 15
Activity
12
games / yr avg. · ≈1/mo
9 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#146,786
#146,786 · players worldwide · of 216,808
Career timeline
7 entries2025
All-time peak 1599
at age 15
Aug 2025
Re-crossed 1500
at age 15
Mar 2025
2024
Best 12-month gain (+458 Elo)
1033 → 1491
Aug 2024
Crossed 1500
at age 14
Apr 2024
Crossed 1400
at age 14
Mar 2024
Crossed 1200
at age 14
Mar 2024
Standard rating history
Last 12 months — activity & highlights
Evolution
+34
1565 → 1599
Tournaments
1
9 games
Score
4.5/ 950.0%
4W1D4L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Jul 2025 | 4.5/9 | #61 | 1652 | +45.6 |
Rankings
/
France
#11,226
out of 24,420 players
Europe
#98,168
in continent
World
#146,773
out of 400,000+
National ranking
Europe & World
Europe
World
France
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| 11226 | 1,599 | |
Europe
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| ... | ||
| 98168 | 1,599 | |
World
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| 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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| ... | ||
| 146773 | 1,599 | |