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

PLAYER PAGE

Joshua Joubert

1150134895
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1646.9
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 1601.3
Final +/- 0
New Rating
()
Rating 1646.9
K-factor 28
Floor 1157.6
Highest 1657.6 (2026-03-01)
Min/Max +/- allowed 86.4
Standard rating
Rating 1644.3
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 1601.3
Final +/- 0
New Rating
()
Rating 1644.3
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 1025.3
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 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
2 JMC Helpmekaar 2026 (U12) Standard 2026-05-31 2026-05-31 Johannesburg Metro (GJM) 5 1657.6 5 4 1747.1 11.5 Details
3 2026 Blou Bull Chess Tournament (U12) Standard 2026-02-21 2026-02-21 Tshwane (GTP) 5 1564.7 5 4 1709.8 24 Details
4 JMC Trinityhouse Little Falls (U12) Standard 2026-02-28 2026-02-28 Johannesburg Metro (GJM) 5 1564.7 4 3 1683.6 15 Details
5 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
6 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
7 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
8 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
9 JMC Closed 2025 (U12) Standard 2025-08-09 2025-08-10 Johannesburg Metro (GJM) 5 1557.4 5 2 1284.5 -29.1 Details
10 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
11 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
12 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
13 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
14 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
15 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
16 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
17 MCA Summer March 2025 (Advanced) Standard 2025-03-08 2025-03-08 Johannesburg Metro (GJM) 5 1477.5 5 0 1055.1 -42 Details
18 JMC Kick Off 2025 (B) Standard 2025-02-02 2025-02-02 Johannesburg Metro (GJM) 5 1527 4 0 947.3 -45.2 Details
19 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
20 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
21 2024 Tshwane Chess Club Clash (Open) Standard 2024-10-12 2024-10-12 Tshwane (GTP) 5 1537.9 5 2 1275 -26.4 Details
22 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
23 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
24 JMC Closed 2024 (U10) Standard 2024-08-09 2024-08-09 Johannesburg Metro (GJM) 5 1542.9 5 4 1523.9 -2.3 Details
25 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
26 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
27 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
28 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
29 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
30 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
31 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
32 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
33 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
34 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
35 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
36 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
37 2023 Centurion Chess Open (C) Standard 2023-09-23 2023-09-23 Tshwane (GTP) 5 1481.6 5 2 1175.7 -28.9 Details
38 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
39 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
40 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
41 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
42 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
43 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
44 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
45 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
46 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
47 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
48 Mzansi Rapid 2023 (Intermediate) Rapid 2023-02-04 2023-02-04 Johannesburg Metro (GJM) 6 1400.8 6 2 1155.7 -18.7 Details
49 2023 Tshwane Chess Open Registration Tournament (E) Standard 2023-01-28 2023-01-28 Tshwane (GTP) 5 1398.1 5 4 1404.7 1.7 Details
50 2022 South African Junior Team Chess Championships (U8 Open+Girls) Classical 2022-12-04 2022-12-08 4 Knights (4K) 7 1321.1 7 7 1574.5 42.8 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 34
Wins 24
Draws 3
Losses 7
White 16
Black 18
White wins 10
Black wins 14
Score 25.5
Percent 75
Dp 212.5
AOR 1419.6
Performance 1632.1
Game statistics (History)
Games 342
Wins 191
Draws 18
Losses 133
White 168
Black 174
White wins 96
Black wins 95
Score 200
Percent 58.5
Dp 72.1
AOR 1293.8
Performance 1365.8
Rankings (Main)
National
Overall 811
Gender 754
Age group 35
Gender/Age 29
Provincial
Overall 290
Gender 266
Age group 16
Gender/Age 11
Regional
Overall 116
Gender 103
Age group 12
Gender/Age 8
Rankings (Standard)
National
Overall 771
Gender 714
Age group 39
Gender/Age 33
Provincial
Overall 282
Gender 260
Age group 18
Gender/Age 13
Regional
Overall 109
Gender 97
Age group 13
Gender/Age 9
Rankings (Rapid)
National
Overall 3497
Gender 2784
Age group 555
Gender/Age 421
Provincial
Overall 751
Gender 594
Age group 107
Gender/Age 85
Regional
Overall 243
Gender 203
Age group 34
Gender/Age 26
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 34
Score 25.5
Percent 75
Aor 1419.6
Dp 212.5
Prat 1632.1
Performance (12 months)
Games 44
Score 30.5
Percent 69.3
Aor 1411.2
Dp 164.2
Prat 1575.4
Performance (History)
Games 342
Score 200
Percent 58.5
Aor 1293.8
Dp 72.1
Prat 1365.8
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Pillay, Y (Yishai) 7 4 3 JMC Bryanston 2021 (E) West Rand Open 2.0 2025 (U12) Details
Overall 2 Stelloh, S (Sebastian) 7 2 5 2023 South African Junior Closed Chess Championships (U8 Open) Third Knight Riders Junior Open 2025 (B+C) 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 Pillay, Y (Yishai) 7 4 3 JMC Bryanston 2021 (E) West Rand Open 2.0 2025 (U12) Details
Standard 2 Stelloh, S (Sebastian) 7 2 5 2023 South African Junior Closed Chess Championships (U8 Open) Third Knight Riders Junior Open 2025 (B+C) 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