Format
MJ
Mnguni, Jacob Dumisani
CM🇿🇦FIDE 14320908· Male· South Africa· Born in 1992
Follow Jacob Dumisani MnguniTrack his monthly FIDE ratings, games, tournaments and more.
Jacob Dumisani Mnguni, a 34-year-old South African Candidate Master, is rated 2179 — just 26 short of his peak of 2205 (Feb 2018, age 26) and ranked 17th among South African players, and in the top 4% worldwide. He is on a steady climb with +21 Elo over the past 12 months. 35 rated games in the past year (≈28/year long-term). Recent standard appearances include 2026 Tshwane Chess Open Registration Tournament (A), Gauteng Inter-Region 2025 at Emerald Resort (Adults and Seniors), and Najdorf Movement 2025 (A). Also played 1 blitz event (including 2025 South African Open Chess Championships (Blitz)) recently. He reached South African #10 in Feb 2022.
Awarded CM in 2025 (age 33).
Current rating
2179
Standard
Rpd2194·Blz2037
All-time high
2205
−26 pts below
Feb 2018 · age 26
Feb 2018 · age 26
Activity
36
games / yr avg. · ≈3/mo
15 past 12 mo · ≈1/mo
classical only
Active
classical only
Active
Signature stat
#17
#17 · South African players · of 1,804
Career timeline
12 entries2025
CM title awardedCM
at age 33
May 2025
2022
Peak South African rank: #10
at age 30 · rated 2182
Feb 2022
2020
Inactive for 16 months
paused at 2188 → returned at 2182
Apr 2020
2018
Crossed 2200
at age 26
Feb 2018
All-time peak 2205
at age 26 · −26 from today
Feb 2018
100 career games
at age 26
Feb 2018
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
Activity & highlights
Top opponent
Evolution
+4
2175 → 2179
Tournaments
3
19 games
Score
12/ 1963.2%
12W6D1L
Top 3 wins
Top losses
No noteworthy losses.
Last 12 months — tournaments
3 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Jan 2026 | 4/5 | #3 | — | -6.2 |
Team | Dec 2025 | 2.5/3 | #11 | 2282 | +10.2 |
Swiss | Jun 2025 | 5.5/7 | #2 | 2249 | +16.8 |
Most-Played Opponents
vsJohannes Manyedi MabuselaIM
🇿🇦RSA·2112
+3 −6 =10
19 games·last met May 2025
View head-to-head →
vsKeith KhumaloCM
🇿🇦RSA·2201
+5 −2 =9
16 games·last met Jun 2025
View head-to-head →
vsJoseph MwaleFM
🇲🇼MAW·2303
+6 −5 =1
12 games·last met Oct 2023
View head-to-head →
vsBanele MhangoFM
🇿🇦RSA·2268
+1 −4 =5
10 games·last met Apr 2025
View head-to-head →
vsRodwell MakotoIM
🇿🇼ZIM·2325
+2 −5 =2
9 games·last met Jan 2024
View head-to-head →
Rankings
/
South Africa
#17
out of 1,876 players
Africa
#135
in continent
World
#9,341
out of 400,000+
National ranking
Europe & World
Europe
World
South Africa
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| 17 | 2,179 | |
Africa
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World
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| 9341 | 2,179 | |