Format
SM
Stern, Mason Jesse
🇿🇦FIDE 14368757· Male· South Africa· Born in 2015
Follow Mason Jesse SternTrack his monthly FIDE ratings, games, tournaments and more.
Mason Jesse Stern, a 11-year-old South African player, is rated 1608. He is progressing steadily with +46 Elo over the past 12 months. 41 rated games in the past year (≈32/year long-term). Recent standard appearances include 2026 South African Junior Closed (U12 Boys), 16th AFRICAN YOUTH CHESS CHAMPIONSHIP 2025 UNDER 10 OPEN, and COMMONWEALTH CHESS CHAMPIONSHIP 2025 - U10 Open Event. Also played 1 rapid (including 2026 Africa Youth Chess Championship 17th Edition Rapid Open Section) and 1 blitz events (including COMMONWEALTH CHESS CHAMPIONSHIP 2025 - Blitz Youth Event) recently. His peak of 1654 was reached at age 11 (May 2026).
At junior level, he reached #5 and #1 nationally in U12 and U10.
Current rating
1608
Standard
Rpd1561·Blz1484
All-time high
1654
−46 pts below
May 2026 · age 11
May 2026 · age 11
Activity
31
games / yr avg. · ≈3/mo
41 past 12 mo · ≈3/mo
classical only
Active
classical only
Active
Signature stat
#143,920
#143,920 · players worldwide · of 218,279
Career timeline
11 entries2026
5th South African U12 player
at age 11 · rated 1654
May 2026
Best 12-month gain (+92 Elo)
1562 → 1654
May 2026
Re-crossed 1600
at age 11
May 2026
All-time peak 1654
at age 11 · −46 from today
May 2026
Re-crossed 1500
at age 11
Jan 2026
2025
Re-crossed 1500
at age 10
May 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Best result
2026 Africa Youth Chess Championship - 17th Edition (U12 Boys)perf 2274 (+666) · 6.5/5 · #14
Top opponent
Evolution
+46
1562 → 1608
Tournaments
6
57 games
Score
29/ 5750.9%
25W18D14L
Top 3 wins
Top 3 losses
1.[L]vsTuryatemba Augustine1,509·2026 Africa Youth Chess Championship - 17th Edition (U12 Boys)·R6·-25.5
Last 12 months — tournaments
6 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | May 2026 | 6.5/5 | #14 | 2274 | -46.4 |
Open Swiss | Mar 2026 | 7.5/9 | #1 | 1787 | +94.4 |
Open Swiss | Dec 2025 | 6/7 | #6 | 1941 | +68.0 |
Open Swiss | Nov 2025 | 3/4 | #27 | 1841 | -19.6 |
Swiss | Oct 2025 | 1/6 | #20 | 1442 | -31.2 |
Open Swiss | Sep 2025 | 5/9 | #138 | 1629 | -18.4 |
Worst Elo result: 2026 Africa Youth Chess Championship - 17th Edition (U12 Boys) (-46.4 Elo, finished #14).
Rankings
/
South Africa
#882
out of 1,876 players
Africa
#5,933
in continent
World
#143,909
out of 400,000+
National ranking
Europe & World
Europe
World
South Africa
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