Format
WY
Weng, Yu Bo (David)
🇿🇦FIDE 14364956· Male· South Africa· Born in 2010
Follow Yu Bo (David) WengTrack his monthly FIDE ratings, games, tournaments and more.
Yu Bo (David) Weng, a 16-year-old South African player, is rated 1883 — his current career high and ranked 9th among South African players under 16. He is rising rapidly, having gained +218 Elo over the past 12 months. 21 rated games in the past year (≈15/year long-term). Recent standard appearances include 2026 KZN Open Chess Championships (A), 2026 Umhlanga Chess Club Open (Open), and 2025 South African Open Chess Championships (B). Also played 1 blitz event (including 2025 South African Open Chess Championships (Blitz)) recently.
At junior level, he reached #9 and #20 nationally in U16 and U14.
Current rating
1883
Standard
Rpd—·Blz1710
All-time high
1883
at best
Jun 2026 · age 16
Jun 2026 · age 16
Activity
13
games / yr avg. · ≈1/mo
16 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#9
#9 · South African players under 16 · of 252
Career timeline
7 entries2026
9th South African U16 player
at age 16 · rated 1883
Jun 2026
Crossed 1800
at age 16
Jun 2026
All-time peak 1883
at age 16
Jun 2026
2024
20th South African U14 player
at age 14 · rated 1610
Aug 2024
Best 12-month gain (+598 Elo)
1012 → 1610
Aug 2024
Crossed 1600
at age 14
Aug 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Evolution
+218
1665 → 1883
Tournaments
3
24 games
Score
17/ 2470.8%
16W2D6L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
3 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | May 2026 | 5/7 | #6 | 2053 | +90.0 |
Swiss | Mar 2026 | 4.5/2 | #6 | 2583 | +26.4 |
Open Swiss | Jun 2025 | 7.5/7 | #39 | 2581 | +100.8 |
Hot streak: 3 tournaments without losing Elo.
Rankings
/
South Africa
#126
out of 1,876 players
Africa
#1,575
in continent
World
#52,374
out of 400,000+
National ranking
Europe & World
Europe
World
South Africa
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| ... | ||
| 126 | 1,883 | |
Africa
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| ... | ||
| 1575 | 1,883 | |
World
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| ... | ||
| 52374 | 1,883 | |