Format
BS
Brewis, Sienna
🇿🇦FIDE 123104340· Female· South Africa· Born in 2013
Follow Sienna BrewisTrack her monthly FIDE ratings, games, tournaments and more.
Sienna Brewis, a 13-year-old South African player, is rated 1571. She has slipped back 73 Elo over the past 12 months. 14 rated games in the past year (≈13/year long-term). Recent standard appearances include 2026 South African Junior Closed (U14 Girls), 2025 Mzansi Individual Championships (U20 Open), and 2025 Mzansi Individual Championships (U14 Girls). Also played 1 blitz event (including 2026 South African Junior Closed (Blitz)) recently. Her peak of 1644 was reached at age 13 (Feb 2026).
At junior level, she reached #31 nationally in U14.
Current rating
1571
Standard
Rpd1432·Blz1538
All-time high
1644
−73 pts below
Feb 2026 · age 13
Feb 2026 · age 13
Activity
12
games / yr avg. · ≈1/mo
14 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#158,156
#158,156 · players worldwide · of 218,279
Career timeline
6 entries2026
31st South African U14 player
at age 13 · rated 1644
Feb 2026
Crossed 1600
at age 13
Feb 2026
Crossed 1500
at age 13
Feb 2026
Crossed 1400
at age 13
Feb 2026
All-time peak 1644
at age 13 · −73 from today
Feb 2026
First FIDE rating
1644 · at age 13
Feb 2026
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Best comeback
2025 Mzansi Inter Provincial Team Championships (U14 Girls Championship)finished #3 (seeded #17 of 50)
Evolution
—
Tournaments
4
27 games
Score
15.5/ 2757.4%
15W1D11L
Top 1 win
Top 3 losses
Last 12 months — tournaments
4 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Mar 2026 | 4/4 | #27 | 2283 | -73.2 |
Open Swiss | Dec 2025 | 3/5 | #6 | 1635 | 0.0 |
Open Swiss | Dec 2025 | 3.5/3 | #19 | 1248 | 0.0 |
Team | Dec 2025 | 5/2 | #3 | 1609 | 0.0 |
Rankings
/
South Africa
#1,066
out of 1,876 players
Africa
#6,663
in continent
World
#158,140
out of 400,000+
National ranking
Europe & World
Europe
World
South Africa
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World
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