Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Joshua Joubert

1150134895
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1657.6
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 1646.2
Final +/- 0
New Rating
()
Rating 1657.6
K-factor 28
Floor 1157.6
Highest 1657.6 (2026-03-01)
Min/Max +/- allowed 86.4
Standard rating
Rating 1657.6
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 1646.2
Final +/- 0
New Rating
()
Rating 1657.6
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 1058.6
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 Blou Bull Chess Tournament (U12) Standard 2026-02-21 2026-02-21 Tshwane (GTP) 5 1564.7 5 4 1709.8 24 Details
2 JMC Trinityhouse Little Falls (U12) Standard 2026-02-28 2026-02-28 Johannesburg Metro (GJM) 5 1564.7 4 3 1683.6 15 Details
3 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
4 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
5 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
6 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
7 JMC Closed 2025 (U12) Standard 2025-08-09 2025-08-10 Johannesburg Metro (GJM) 5 1557.4 5 2 1284.5 -29.1 Details
8 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
9 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
10 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
11 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
12 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
13 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
14 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
15 MCA Summer March 2025 (Advanced) Standard 2025-03-08 2025-03-08 Johannesburg Metro (GJM) 5 1477.5 5 0 1055.1 -42 Details
16 JMC Kick Off 2025 (B) Standard 2025-02-02 2025-02-02 Johannesburg Metro (GJM) 5 1527 4 0 947.3 -45.2 Details
17 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
18 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
19 2024 Tshwane Chess Club Clash (Open) Standard 2024-10-12 2024-10-12 Tshwane (GTP) 5 1537.9 5 2 1275 -26.4 Details
20 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
21 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
22 JMC Closed 2024 (U10) Standard 2024-08-09 2024-08-09 Johannesburg Metro (GJM) 5 1542.9 5 4 1523.9 -2.3 Details
23 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
24 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
25 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
26 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
27 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
28 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
29 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
30 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
31 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
32 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
33 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
34 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
35 2023 Centurion Chess Open (C) Standard 2023-09-23 2023-09-23 Tshwane (GTP) 5 1481.6 5 2 1175.7 -28.9 Details
36 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
37 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
38 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
39 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
40 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
41 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
42 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
43 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
44 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
45 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
46 Mzansi Rapid 2023 (Intermediate) Rapid 2023-02-04 2023-02-04 Johannesburg Metro (GJM) 6 1400.8 6 2 1155.7 -18.7 Details
47 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
48 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
49 JMC 3rd Trials 2022 (U8) Standard 2022-09-11 2022-09-11 Johannesburg Metro (GJM) 5 1310 5 4 1379 6.3 Details
50 JMC Womens Day 2022 (U8) Standard 2022-08-06 2022-08-06 Johannesburg Metro (GJM) 5 1263.4 5 5 1467.1 20.7 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 24
Wins 17
Draws 3
Losses 4
White 11
Black 13
White wins 7
Black wins 10
Score 18.5
Percent 77.1
Dp 230.2
AOR 1411.3
Performance 1641.5
Game statistics (History)
Games 332
Wins 184
Draws 18
Losses 130
White 163
Black 169
White wins 93
Black wins 91
Score 193
Percent 58.1
Dp 69.1
AOR 1289.4
Performance 1358.5
Rankings (Main)
National
Overall 694
Gender 650
Age group 20
Gender/Age 19
Provincial
Overall 250
Gender 232
Age group 11
Gender/Age 10
Regional
Overall 92
Gender 83
Age group 4
Gender/Age 4
Rankings (Standard)
National
Overall 655
Gender 611
Age group 20
Gender/Age 18
Provincial
Overall 251
Gender 232
Age group 12
Gender/Age 10
Regional
Overall 88
Gender 79
Age group 5
Gender/Age 4
Rankings (Rapid)
National
Overall 3315
Gender 2640
Age group 465
Gender/Age 356
Provincial
Overall 629
Gender 498
Age group 81
Gender/Age 67
Regional
Overall 228
Gender 198
Age group 28
Gender/Age 23
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 24
Score 18.5
Percent 77.1
Aor 1411.3
Dp 230.2
Prat 1641.5
Performance (12 months)
Games 53
Score 36.5
Percent 68.9
Aor 1394.6
Dp 160.4
Prat 1555
Performance (History)
Games 332
Score 193
Percent 58.1
Aor 1289.4
Dp 69.1
Prat 1358.5
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 Ma, M (Matthew) 4 1 3 Mzansi Rapid 2023 (Intermediate) South African Junior Closed Chess Championship 2024 (U10 Open) 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 Kwint, J (Jack) 3 1 2 JMC Trials 1 - Laerskool Fontainebleau 2022 (U8) JMC Closed Aug 2023 (U10) Details