Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

Joshua Joubert

1150134895
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1616.7
K-factor 28
Floor 1157.6
Highest 1657.6 (2026-03-01)
Min/Max +/- allowed 86
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1519.8
Final +/- 0
New Rating
()
Rating 1616.7
K-factor 28
Floor 1157.6
Highest 1657.6 (2026-03-01)
Min/Max +/- allowed 86.4
Standard rating
Rating 1606.1
K-factor 28
Floor 1157.6
Highest 1657.6 (2026-03-01)
Min/Max +/- allowed 86.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1519.8
Final +/- 0
New Rating
()
Rating 1606.1
K-factor 28
Floor 1157.6
Highest 1657.6 (2026-03-01)
Min/Max +/- allowed 86.4
Rapid rating
Rating 1235.1
K-factor 36
Floor 735.1
Highest 1235.1 (2025-05-05)
Min/Max +/- allowed 157.7
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1007.8
Final +/- 0
New Rating
()
Rating 1235.1
K-factor 36
Floor 735.1
Highest 1235.1 (2025-05-05)
Min/Max +/- allowed 157.7
Blitz rating
Rating 1034.2
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1034.2
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2026 JMCA Open Chess Tournament (U12) Standard 2026-08-15 2026-08-15 Tshwane (GTP) 5 1616.7 5 2.5 1371.5 -36.4 Details
2 JMC Closed 2026 (U12) Standard 2026-08-01 2026-08-02 Johannesburg Metro (GJM) 5 1616.7 5 3.5 1692.8 6.2 Details
3 JMC Trinityhouse Randpark Ridge 2026 (U12) Standard 2026-06-27 2026-06-27 Johannesburg Metro (GJM) 5 1657.6 5 3 1471.9 -22.2 Details
4 JMC Helpmekaar 2026 (U12) Standard 2026-05-31 2026-05-31 Johannesburg Metro (GJM) 5 1657.6 5 4 1747.1 11.5 Details
5 2026 Blou Bull Chess Tournament (U12) Standard 2026-02-21 2026-02-21 Tshwane (GTP) 5 1564.7 5 4 1709.8 24 Details
6 JMC Trinityhouse Little Falls (U12) Standard 2026-02-28 2026-02-28 Johannesburg Metro (GJM) 5 1564.7 4 3 1683.6 15 Details
7 2026 Constantiapark Open Chess Tournament (U12) Standard 2026-02-14 2026-02-14 Tshwane (GTP) 5 1509.6 5 4.5 1803.7 29.4 Details
8 West Rand Open 2026 (U12) Standard 2026-02-07 2026-02-07 West Rand (GWR) 5 1509.6 5 3 1453.4 -4.6 Details
9 2026 Tshwane Chess Registration Tournament (U12-1) Standard 2026-01-31 2026-01-31 Tshwane (GTP) 5 1509.6 5 4 1565.4 2.7 Details
10 Gauteng Inter-Region at Emerald Resort 2025 (U12 Championship) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1510.8 5 3 1480.5 -3.9 Details
11 JMC Closed 2025 (U12) Standard 2025-08-09 2025-08-10 Johannesburg Metro (GJM) 5 1557.4 5 2 1284.5 -29.1 Details
12 Third Knight Riders Junior Open 2025 (B+C) Standard 2025-06-22 2025-06-22 Johannesburg Metro (GJM) 5 1481.1 4 2.5 1632.5 11.8 Details
13 West Rand Open 2.0 2025 (U12) Standard 2025-06-07 2025-06-07 West Rand (GWR) 5 1481.1 5 5 1791.9 31.2 Details
14 JMC Helpmekaar 2025 (U12) Standard 2025-06-01 2025-06-01 Johannesburg Metro (GJM) 5 1481.1 5 3.5 1467.2 -0.5 Details
15 JMC Crawford Sandton 2025 (C) Standard 2025-05-10 2025-05-10 Johannesburg Metro (GJM) 5 1479.3 5 2 1273.5 -19.3 Details
16 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Rapid) Rapid 2025-04-13 2025-04-15 Greece (GRE) 11 1476.8 11 3.5 1358.5 -14 Details
17 South African Junior Closed Chess Championships 2025 (U10 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1476.8 9 4.5 1433.2 -10 Details
18 2025 Chris Greyling Open Chess Tournament (U12) Standard 2025-03-15 2025-03-15 Tshwane (GTP) 5 1477.5 5 3.5 1564.2 7.8 Details
19 MCA Summer March 2025 (Advanced) Standard 2025-03-08 2025-03-08 Johannesburg Metro (GJM) 5 1477.5 5 0 1055.1 -42 Details
20 JMC Kick Off 2025 (B) Standard 2025-02-02 2025-02-02 Johannesburg Metro (GJM) 5 1527 4 0 947.3 -45.2 Details
21 2025 Tshwane Chess OPEN Registration Tournament (U12) Standard 2025-01-25 2025-01-25 Tshwane (GTP) 5 1541.2 5 3 1441.2 -8.8 Details
22 Gauteng Inter-Region at UJ 2024 (U10 Open) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1504.2 5 4 1705.4 23.1 Details
23 2024 Tshwane Chess Club Clash (Open) Standard 2024-10-12 2024-10-12 Tshwane (GTP) 5 1537.9 5 2 1275 -26.4 Details
24 Gauteng Top Schools 2024 (U11 Open) Standard 2024-10-04 2024-10-04 Ekurhuleni (GE) 5 1537.9 5 4 1583.4 5.3 Details
25 Bojanala's FIDE In The Sparkling Waters 2024 (Junior Champs) Classical 2024-08-17 2024-08-17 Bojanala Platina (NBR) 5 1542.9 5 3.5 1540.2 -0.8 Details
26 JMC Closed 2024 (U10) Standard 2024-08-09 2024-08-09 Johannesburg Metro (GJM) 5 1542.9 5 4 1523.9 -2.3 Details
27 Second Knight Riders Juniors Open Chess Tournament 2024 (U10) Standard 2024-06-08 2024-06-08 Johannesburg Metro (GJM) 5 1494.6 5 4 1393.2 -9.5 Details
28 JMC Trinityhouse Little Falls 2024 (U10) Standard 2024-06-02 2024-06-02 Johannesburg Metro (GJM) 5 1494.6 5 4.5 1739.3 24.7 Details
29 Chess Power House May Open 2024 (D) Standard 2024-05-25 2024-05-25 Johannesburg Metro (GJM) 5 1352.8 5 3 1459.6 11.3 Details
30 JMC Crawford International Sandton 2024 (U10) Standard 2024-05-11 2024-05-11 Johannesburg Metro (GJM) 5 1352.8 5 5 1780.3 42.5 Details
31 South African Junior Closed Chess Championship 2024 (U10 Open) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1352.8 8 2 1209.2 -27.2 Details
32 JMC Helpmekaar Kollege Tournament 2024 (U10) Standard 2024-05-04 2024-05-04 Johannesburg Metro (GJM) 5 1352.8 5 4 1553.6 20.3 Details
33 Hermanus Chess Club Open 2024 (Intermediate) Rapid 2024-04-20 2024-04-20 Overberg (WOS) 7 1374 7 3.5 1195.2 -13.3 Details
34 CPH St Andrew's Rapid 2024 (C) Rapid 2024-03-30 2024-03-30 Ekurhuleni (GE) 5 1342.3 5 4.5 1709.3 19.9 Details
35 2024 Tshwane Chess AHS Open Chess Tournament (C2) Standard 2024-02-24 2024-02-24 Tshwane (GTP) 5 1408.2 5 2 1230.1 -16.6 Details
36 2024 Blou Bul Open Chess Tournament (C) Standard 2024-02-10 2024-02-10 Tshwane (GTP) 5 1408.2 5 1.5 1148.1 -24.6 Details
37 2024 Gauteng Inter-Region Chess Championship (U10A) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1435.1 5 4 1565.5 13.5 Details
38 JMC Kick Off Tournament 2024 (D) Standard 2024-01-28 2024-01-28 Johannesburg Metro (GJM) 5 1435.1 5 2 1128.1 -30.4 Details
39 2023 Centurion Chess Open (C) Standard 2023-09-23 2023-09-23 Tshwane (GTP) 5 1481.6 5 2 1175.7 -28.9 Details
40 JMC Closed Aug 2023 (U10) Standard 2023-08-04 2023-08-06 Johannesburg Metro (GJM) 6 1477.7 6 4 1507.8 4.1 Details
41 Chess Power House 2023 (C) Standard 2023-08-19 2023-08-19 Johannesburg Metro (GJM) 5 1477.7 4 3 1456.5 -1.7 Details
42 Bojanala's FIDE in the Sparkling Waters 2023 (Junior) Classical 2023-07-29 2023-07-29 Bojanala Platina (NBR) 6 1414.1 6 5 1518.3 13.4 Details
43 JMC Trinity Little Falls 2023 (U10) Standard 2023-07-02 2023-07-02 Johannesburg Metro (GJM) 5 1414.1 5 4 1488.4 6.8 Details
44 JNW Open - Trinityhouse Little Falls 2023 (U10) Standard 2023-06-24 2023-06-24 Johannesburg Metro (GJM) 5 1359.2 5 4 1491.6 12.3 Details
45 JNW Open - Trinityhouse Little Falls 2023 (U10) Standard 2023-05-13 2023-05-13 Johannesburg Metro (GJM) 5 1323.9 5 4 1544.4 22.2 Details
46 Silver Lakes Open Chess Tournament (C) Standard 2023-04-15 2023-04-15 Tshwane (GTP) 5 1292.6 5 2.5 1317.3 3.2 Details
47 2023 South African Junior Closed Chess Championships (U8 Open) Classical 2023-03-31 2023-04-04 Chess South Africa (CSA) 9 1292.6 9 4.5 1367.2 16.4 Details
48 Chris Greyling Open Tournament 2023 (D1) Standard 2023-03-21 2023-03-21 Tshwane (GTP) 5 1370.7 5 3 1240.4 -11.8 Details
49 JMC 1 St Peters 2023 (C) Standard 2023-03-18 2023-03-18 Johannesburg Metro (GJM) 5 1370.7 5 1 997.5 -37 Details
50 Mzansi Rapid 2023 (Intermediate) Rapid 2023-02-04 2023-02-04 Johannesburg Metro (GJM) 6 1400.8 6 2 1155.7 -18.7 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 44
Wins 29
Draws 5
Losses 10
White 22
Black 22
White wins 13
Black wins 16
Score 31.5
Percent 71.6
Dp 183.5
AOR 1425.8
Performance 1609.4
Game statistics (History)
Games 352
Wins 196
Draws 20
Losses 136
White 174
Black 178
White wins 99
Black wins 97
Score 206
Percent 58.5
Dp 72.4
AOR 1298.1
Performance 1370.6
Rankings (Main)
National
Overall 968
Gender 897
Age group 60
Gender/Age 54
Provincial
Overall 363
Gender 333
Age group 28
Gender/Age 25
Regional
Overall 140
Gender 125
Age group 14
Gender/Age 11
Rankings (Standard)
National
Overall 941
Gender 863
Age group 58
Gender/Age 52
Provincial
Overall 367
Gender 335
Age group 27
Gender/Age 23
Regional
Overall 141
Gender 124
Age group 15
Gender/Age 11
Rankings (Rapid)
National
Overall 3520
Gender 2795
Age group 567
Gender/Age 429
Provincial
Overall 834
Gender 660
Age group 116
Gender/Age 90
Regional
Overall 233
Gender 194
Age group 30
Gender/Age 22
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 44
Score 31.5
Percent 71.6
Aor 1425.8
Dp 183.5
Prat 1609.4
Performance (12 months)
Games 49
Score 34.5
Percent 70.4
Aor 1422.8
Dp 173.5
Prat 1596.2
Performance (History)
Games 352
Score 206
Percent 58.5
Aor 1298.1
Dp 72.4
Prat 1370.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Stelloh, S (Sebastian) 8 3 5 2023 South African Junior Closed Chess Championships (U8 Open) JMC Closed 2026 (U12) Details
Overall 2 Pillay, Y (Yishai) 7 4 3 JMC Bryanston 2021 (E) West Rand Open 2.0 2025 (U12) Details
Overall 3 Conradie, M (Minka) 6 0 6 2022 Tshwane Chess Open Registration Tournament (F) JMC Trinityhouse Little Falls 2024 (U10) Details
Overall 4 Le Kay, A (Alexa) 5 3 2 2022 Milos Ristic Open Chess Tournament (F) JMC Closed 2025 (U12) Details
Overall 5 Steyn, M (Mari-Louise) 4 0 4 JMC Womens Day 2022 (U8) JMC Trinityhouse Randpark Ridge 2026 (U12) Details
Standard 1 Stelloh, S (Sebastian) 8 3 5 2023 South African Junior Closed Chess Championships (U8 Open) JMC Closed 2026 (U12) Details
Standard 2 Pillay, Y (Yishai) 7 4 3 JMC Bryanston 2021 (E) West Rand Open 2.0 2025 (U12) Details
Standard 3 Conradie, M (Minka) 6 0 6 2022 Tshwane Chess Open Registration Tournament (F) JMC Trinityhouse Little Falls 2024 (U10) Details
Standard 4 Le Kay, A (Alexa) 5 3 2 2022 Milos Ristic Open Chess Tournament (F) JMC Closed 2025 (U12) Details
Standard 5 Steyn, M (Mari-Louise) 4 0 4 JMC Womens Day 2022 (U8) JMC Trinityhouse Randpark Ridge 2026 (U12) Details