Format
ND
Nkosi, Dumisa Jacob
🇿🇦FIDE 14314916· Male· South Africa· Born in 1982
Follow Dumisa Jacob NkosiTrack his monthly FIDE ratings, games, tournaments and more.
Dumisa Jacob Nkosi, a 44-year-old South African player, is rated 1770. He has slipped back 55 Elo over the past 12 months. 30 rated games in the past year (≈18/year long-term). Recent standard appearances include 2025 Mzansi Individual Championships (Adults), 2025 Mzansi Inter Provincial Team Championships (Adults), and 2025 South African Open Chess Championships (Championship). Also played 1 rapid (including St Thomas Future Masters Challenge 2025 (Prestige)) and 1 blitz events (including MIDDELBURG COUNTRY CLUB RAPID & BLITZ 2026) recently. His peak of 1862 was reached at age 33 (Jun 2015, South African #85 at the time).
Current rating
1770
Standard
Rpd1884·Blz1872
All-time high
1862
−92 pts below
Jun 2015 · age 33
Jun 2015 · age 33
Activity
20
games / yr avg. · ≈2/mo
22 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#85,841
#85,841 · players worldwide · of 218,279
Career timeline
13 entries2024
Best 12-month gain (+98 Elo)
1724 → 1822
Nov 2024
Re-crossed 1800
at age 42
Mar 2024
2023
11th South African 40-45 player
at age 41 · rated 1755
Oct 2023
2020
Inactive for 13 months
paused at 1711 → returned at 1690
Apr 2020
2019
100 career games
at age 37
Mar 2019
2015
Peak South African rank: #85
at age 33 · rated 1862
Jul 2015
Standard rating history
Peak
FIDE title
Threshold
First rated
COVID-19
FIDE recal.
Activity & highlights
Evolution
-55
1825 → 1770
Tournaments
3
28 games
Score
8/ 2828.6%
10W5D13L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
3 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Dec 2025 | 4.5/6 | #2 | 1817 | +9.4 |
Team | Dec 2025 | 3/6 | #16 | 1771 | +2.0 |
Open Swiss | Jun 2025 | 0.5/10 | #45 | 1411 | -65.8 |
Worst Elo result: 2025 South African Open Chess Championships (Championship) (-65.8 Elo, finished #45).
Most-Played Opponents
vsKaden Muller
🇿🇦RSA·1693
+9 −1 =2
12 games·last met Aug 2023
View head-to-head →
vsFrederick Odendaal
🇿🇦RSA·1968
+0 −4 =6
10 games·last met Nov 2025
View head-to-head →
vsKulasande Mafanya
🇿🇦RSA·1823
+2 −6 =1
9 games·last met Oct 2023
View head-to-head →
vsNeathan PeterCM
🇿🇦RSA·1978
+2 −6 =0
8 games·last met Dec 2025
View head-to-head →
vsTyler NevinCM
🇿🇦RSA·1997
+1 −2 =2
5 games·last met Mar 2024
View head-to-head →
Rankings
/
South Africa
#296
out of 1,876 players
Africa
#3,021
in continent
World
#85,839
out of 400,000+
National ranking
Europe & World
Europe
World
South Africa
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World
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