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JT

Jonker, Tertius

🇿🇦

FIDEFIDE 14379325· Male· South Africa· Born in 2012

Follow Tertius JonkerTrack his monthly FIDE ratings, games, tournaments and more.

Tertius Jonker, a 14-year-old South African player, is rated 1473 — just 25 short of his peak of 1498 (Apr 2025, age 13). He has fluctuated between 1412 and 1498 over the past 2 years. 42 rated games in the past year (≈49/year long-term). Recent standard appearances include 2026 South African Junior Closed (U14 Boys), 2026 Lubowski Open Chess Tournament (C), and 2026 Chris Greyling Tournament (C). Also played 2 blitz events (including 2025 South African Open Chess Championships (Blitz)) recently.

At junior level, he reached #70 nationally in U14.

Current rating

1473

Standard

Rpd—·Blz—

All-time high

1498

−25 pts below
Apr 2025 · age 13

Activity

46

games / yr avg. · ≈4/mo

42 past 12 mo · ≈4/mo
classical only
Active

Signature stat

#194,686

#194,686 · players worldwide · of 216,808

Career timeline

5 entries
2025
All-time peak 1498
at age 13 · −25 from today
Apr 2025
70th South African U14 player
at age 13 · rated 1494
Mar 2025
Crossed 1400
at age 13
Mar 2025
Crossed 1200
at age 13
Mar 2025
First FIDE rating
1494 · at age 13
Mar 2025

Standard rating history

Last 12 months — activity & highlights

Best result
2026 Blou Bul Open Chess Tournament (B)
perf 1595 (+144) · 2.5/5 · #9
Top opponent
vs Neo Kekana 1,669
2026 Blou Bul Open Chess Tournament (B) · Feb 2026 · +11.1 Elo
Evolution
-7
1480 → 1473
Tournaments
15
90 games
Score
39.5/ 9043.9%
39W13D38L

Last 12 months — tournaments

top 10 of 15
EventDateScoreRankPerfΔ Elo
2026 South African Junior Closed (U14 Boys)
Open Swiss
Mar 20262/5#571482+16.4
2026 Lubowski Open Chess Tournament (C)
Swiss
Mar 20262.5/4#121592-0.4
2026 Chris Greyling Tournament (C)
Swiss
Mar 20263.5/3#42304+15.2
2026 Silver Lakes Chess Club Open (C)
Swiss
Mar 20264/1#102286+23.6
2026 AHS Open Chess Tournament (B)
Swiss
Feb 20260.5/3#241309-32.8
Worst Elo result: 2025 Alekhine Open Chess Tournament (C) (-38.0 Elo, finished #12).

Rankings

/
South Africa
#1,516
out of 1,842 players
Africa
#8,176
in continent
World
#194,585
out of 400,000+

National ranking

Europe & World

Europe
World
South Africa
1
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2,408
2
🇿🇦Karsten, JanFollow Jan KarstenTrack their monthly FIDE ratings, games, tournaments and more.
2,382
3
🇿🇦Cawdery, DanielFollow Daniel CawderyTrack their monthly FIDE ratings, games, tournaments and more.
2,312
4
🇿🇦Felix, RaphaelFollow Raphael FelixTrack their monthly FIDE ratings, games, tournaments and more.
2,293
4
🇿🇦Bezuidenhout, RolandFollow Roland BezuidenhoutTrack their monthly FIDE ratings, games, tournaments and more.
2,293
6
🇿🇦Levitan, Caleb LeviFollow Caleb Levi LevitanTrack their monthly FIDE ratings, games, tournaments and more.
2,291
7
🇿🇦Solomon, Kenneth TerenceFollow Kenneth Terence SolomonTrack their monthly FIDE ratings, games, tournaments and more.
2,270
8
🇿🇦Kobese, WatuFollow Watu KobeseTrack their monthly FIDE ratings, games, tournaments and more.
2,258
9
🇿🇦Mhango, BaneleFollow Banele MhangoTrack their monthly FIDE ratings, games, tournaments and more.
2,256
10
🇿🇦Barrish, DanielFollow Daniel BarrishTrack their monthly FIDE ratings, games, tournaments and more.
2,245
...
1516🇿🇦Jonker, Tertius1,473
Africa
1
🇪🇬Amin, BassemFollow Bassem AminTrack their monthly FIDE ratings, games, tournaments and more.
2,627
2
🇪🇬Adly, AhmedFollow Ahmed AdlyTrack their monthly FIDE ratings, games, tournaments and more.
2,580
3
🇲🇦Hamdouchi, HichamFollow Hicham HamdouchiTrack their monthly FIDE ratings, games, tournaments and more.
2,502
4
🇩🇿Bellahcene, BilelFollow Bilel BellahceneTrack their monthly FIDE ratings, games, tournaments and more.
2,493
5
🇪🇬Fawzy, AdhamFollow Adham FawzyTrack their monthly FIDE ratings, games, tournaments and more.
2,467
6
🇩🇿Arab, AdlaneFollow Adlane ArabTrack their monthly FIDE ratings, games, tournaments and more.
2,453
7
🇪🇬Shoker, SamyFollow Samy ShokerTrack their monthly FIDE ratings, games, tournaments and more.
2,442
8
🇲🇬Rakotomaharo, Fy AntenainaFollow Fy Antenaina RakotomaharoTrack their monthly FIDE ratings, games, tournaments and more.
2,441
9
🇹🇳Njili, KamelFollow Kamel NjiliTrack their monthly FIDE ratings, games, tournaments and more.
2,414
10
🇪🇬Labib, Ibrahim HasanFollow Ibrahim Hasan LabibTrack their monthly FIDE ratings, games, tournaments and more.
2,412
...
8176🇿🇦Jonker, Tertius1,473
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,840
2
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
3
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,788
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,780
5
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,776
6
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,759
7
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,759
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,754
10
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
194585🇿🇦Jonker, Tertius1,473