Format
SW
Sithisak, William
🇫🇷FIDE 45120749· Male· France· Born in 2009
Follow William SithisakTrack his monthly FIDE ratings, games, tournaments and more.
William Sithisak, a 17-year-old French player, is rated 1823 — his current career high. He is on a steady climb with +34 Elo over the past 12 months. 12 rated games in the past year (≈25/year long-term). Recent appearances: 196e Open FIDE Interchess de 3 Rondes -1800 and Championnat de Paris 2025 Open B. Also played 1 rapid event (including Rapide du TOP Jeunes 2025) recently. He had 2 career breaks: 19 months (2022–2024) and 16 months (2024–2025).
At junior level, he reached World #74 in U10, World #87 in U8 and #34 and #13 nationally in U14 and U12.
Current rating
1823
Standard
Rpd1862·Blz1729
All-time high
1823
at best
Oct 2025 · age 16
Oct 2025 · age 16
Activity
4
games / yr avg.
12 past 12 mo · ≈1/mo
classical only
Occasional
classical only
Occasional
Signature stat
#69,188
#69,188 · players worldwide · of 216,808
Career timeline
13 entries2025
All-time peak 1823
at age 16
Oct 2025
Crossed 1800
at age 16
Sep 2025
2024
Inactive for 16 months
paused at 1789 → returned at 1794
Mar 2024
2022
Inactive for 19 months
paused at 1648 → returned at 1789
Jul 2022
34th French U14 player
at age 13 · rated 1716
Mar 2022
2021
13th French U12 player
at age 12 · rated 1692
Jan 2021
Standard rating history
Last 12 months — activity & highlights
Evolution
+34
1789 → 1823
Tournaments
2
12 games
Score
7.5/ 1262.5%
6W3D3L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
2 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Aug 2025 | 2.5/3 | #3 | 2000 | +27.6 |
Open Swiss | Jul 2025 | 5/9 | #50 | 1799 | +6.0 |
Rankings
/
France
#4,341
out of 24,420 players
Europe
#50,339
in continent
World
#69,188
out of 400,000+
National ranking
Europe & World
Europe
World
France
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| ... | ||
| 4341 | 1,823 | |
Europe
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,840 |
| 2 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
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| 5 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
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| 8 | 🇫🇷Follow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more. | 2,717 |
| 8 | 🇦🇿Follow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,717 |
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| ... | ||
| 50339 | 1,823 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,840 |
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| 5 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,776 |
| 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 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,754 |
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| ... | ||
| 69188 | 1,823 | |