Format
BS
Bootsumran, Sirin
🇹🇭FIDE 6206654· Female· Thailand· Born in 2008
Follow Sirin BootsumranTrack her monthly FIDE ratings, games, tournaments and more.
Sirin Bootsumran, a 18-year-old player, is rated 1789 — her current career high. She is progressing steadily with +45 Elo over the past 12 months. 30 rated games in the past year (≈25/year long-term). Recent standard appearances include Thailand Final Qualifying Round for 46th Olympiad - Women, 49th Thailand Chess Championship 2026 - Women, and 21st Thailand Junior Chess Championship 2026 - G18. Also played 1 rapid event (including 3rd TigerDen Chess Tournament - Open) recently. She reached #28 nationally in Jun 2026.
At junior level, she reached #3, #5, #3, #9 and #5 nationally in U18, U16, U14, U12 and U10.
Current rating
1789
Standard
Rpd1632·Blz1538
All-time high
1789
at best
Jun 2026 · age 18
Jun 2026 · age 18
Activity
29
games / yr avg. · ≈2/mo
30 past 12 mo · ≈3/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#79,811
#79,811 · players worldwide · of 218,279
Career timeline
15 entries2026
Peak national rank: #28
at age 18 · rated 1789
Jun 2026
3rd U18 player nationally
at age 18 · rated 1789
Jun 2026
All-time peak 1789
at age 18
Jun 2026
2024
Crossed 1600
at age 16
Mar 2024
Crossed 1500
at age 16
Mar 2024
2023
Re-crossed 1400
at age 15
Nov 2023
Standard rating history
Peak
FIDE title
Threshold
First rated
COVID-19
FIDE recal.
Activity & highlights
Top opponent
Evolution
+46
1743 → 1789
Tournaments
4
34 games
Score
24/ 3470.6%
19W10D5L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
4 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Round-Robin | May 2026 | 6.5/9 | #2 | 1822 | +34.8 |
Open Swiss | Apr 2026 | 6.5/8 | #2 | 1846 | +19.6 |
Swiss | Apr 2026 | 7/6 | #3 | 2355 | -20.0 |
Open Swiss | Mar 2026 | 4/7 | #11 | 1782 | +10.8 |
Most-Played Opponents
vsNapat KhantreeWCM
🇹🇭THA·1666
+8 −6 =3
17 games·last met Apr 2024
View head-to-head →
vsAraya PrommuangWCM
🇹🇭THA·1909
+3 −6 =4
13 games·last met Apr 2025
View head-to-head →
vsNatrada Kaewwattha
🇹🇭THA·1715
+4 −4 =4
12 games·last met May 2026
View head-to-head →
vsSarocha ChuemsakulWFM
🇹🇭THA·1990
+0 −8 =2
10 games·last met May 2026
View head-to-head →
vsOrachaporn Junput
🇹🇭THA·1587
+7 −2 =1
10 games·last met Apr 2026
View head-to-head →
Rankings
/
Thailand
#28
out of 397 players
Asia-Pacific
#9,825
in continent
World
#79,809
out of 400,000+
National ranking
Europe & World
Europe
World
Thailand
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| ... | ||
| 28 | 1,789 | |
Asia-Pacific
| 1 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 1 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 3 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
| 4 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
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| 7 | 🇮🇳Follow Praggnanandhaa RTrack their monthly FIDE ratings, games, tournaments and more. | 2,735 |
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| ... | ||
| 9825 | 1,789 | |
World
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| 4 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
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| 8 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 9 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 79809 | 1,789 | |