PLAYER PAGE

Personal

Janse Van Rensburg, J (Josh)

Chess SA id

1140135082

FIDE id

?

Date of birth

2014-08-12 (U12)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

66

Junior GPX Points

1572.2

Item Main Standard Rapid Blitz
Rating 1647.8 1648.6 1200 1200
Raw rating 1647.8 1648.6 1200 1200
Weighted rating 1582.8 1577.4 1200 1200
Weighted performance 1638.8 1635.8 0 0
Floor 1147.8 1148.6 700 700
K-factor 28 28 36 36
Min/Max rating change allowed 87.6 87.5 165.8 165.8
Highest rating 1662.6
2025-09-01
1656.9
2025-09-01
1200
2018-10-01
1200
2018-10-01
Highest raw rating 1647.8
2025-11-01
1648.6
2025-11-01
1200
2024-02-01
1200
2024-02-01
Highest weighted rating 1582.8
2025-11-01
1577.4
2025-11-01
1200
2018-10-01
1200
2018-10-01
Highest weighted performance 1662.6
2025-09-01
1656.9
2025-09-01
1200
2024-02-01
1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 1647.8 1648.6 1200 1200
Analysis
Rating 1647.8 1648.6 1200 1200
Raw rating 1647.8 1648.6 1200 1200
Weighted rating 1582.8 1577.4 1200
Weighted performance 1638.8 1635.8 0
K-factor 28 28 36 36
Floor 1147.8 1148.6 700 700
Max/Min rating change allowed 87.6 87.5 165.8 165.8
Games 0 0 0 0
Score 0 0 0 0
Expected score 0 0 0 0
Score-Expected 0 0 0 0
Temp raw +/- 0 0 0 0
Final raw +/- 0 0 0 0
New raw rating 1647.8 1648.6 1200 1200
New weighted rating 1591.6 1586.8 1200 1200
New weighted performance 1629.1 1626.1 0 0
Temp new rating 1647.8 1648.6 1200 1200
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1647.8 1648.6 1200 1200
New K-factor 28 28 36 36
New floor 1147.8 1148.6 700 700

Item Main Standard Rapid Blitz
0 0 0 0
51 51 0 0
86 86 0 0
73 73 0 0
49 49 0 0
5 5 0 0
History 264 264 0 0

Games since
Main
137
Standard
137
Rapid
0
Blitz
0
Gender Male
Age group U12
Region Tshwane (GTP)
Province Gauteng (GT)
Main
RSA Province Region
Overall 458 175 73
Male 425 161 70
U12 25 12 6
U12 Male 22 10 5
Standard
RSA Province Region
Overall 439 168 69
Male 405 154 67
U12 23 11 5
U12 Male 21 10 5
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U12 -1 -1 -1
U12 Male -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U12 -1 -1 -1
U12 Male -1 -1 -1

Games Score % Dp AvgOpp Performance
Main 0 0 0 0 0 0
Standard 0 0 0 0 0 0
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
Games Score % Dp AvgOpp Performance
Main 51 36.5 71.57 183.3 1451.3 1634.7
Standard 51 36.5 71.57 183.3 1451.3 1634.7
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 264 175 66.29 138.4 1310.6 1449.1
Standard 264 175 66.29 138.4 1310.6 1449.1
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-11-01 1647.8 1648.6 1200 1200
2025-09-30 1642.2 1641.6 1200 1200
2025-09-01 1642.2 1641.6 1200 1200
2025-08-01 1605.2 1599.1 1200 1200
2025-07-01 1605.2 1599.1 1200 1200
2025-06-01 1623.3 1619 1200 1200
2025-05-01 1577.4 1562.1 1200 1200
2025-04-01 1577.4 1562.1 1200 1200
2025-03-01 1586.2 1572.2 1200 1200
2025-02-01 1644.6 1642.9 1200 1200
2025-01-01 1626 1623.6 1200 1200
2024-12-01 1630.7 1629.2 1200 1200
2024-11-01 1630.7 1629.2 1200 1200
2024-10-01 1543.5 1541.9 1200 1200
2024-09-01 1530.9 1524.6 1200 1200
2024-08-01 1451.8 1445.3 1200 1200
2024-07-01 1390.5 1386.9 1200 1200
2024-09-01 1359.7 1357 1200 1200
2024-05-01 1399.1 1384.2 1200 1200
2024-04-01 1436.3 1426.4 1200 1200
2024-03-01 1436.3 1426.4 1200 1200
2024-02-01 1444.5 1435 1200 1200
2024-01-01 1435.7 1422.8 1200 1200
2023-12-01 1435.7 1422.8 1200 1200

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Lardies Open 2025 (U12) 2025-10-18 2025-10-18 Standard Tshwane (GTP) 5 5 3 Yes Analysis
2 2025 Gauteng Top Schools Teams (U11) 2025-08-29 2025-08-29 Standard Tshwane (GTP) 5 4 4 Yes Analysis
3 2025 Tshwane South School District CLOSED League Championship (U11A) 2025-08-15 2025-08-15 Standard Tshwane (GTP) 5 5 5 Yes Analysis
4 2025 Etienne Lewis Closed Chess Tournament (U12) 2025-08-08 2025-08-10 Standard Tshwane (GTP) 7 7 5 Yes Analysis
5 2025 Elise Steenkamp Open Chess Tournament (Bishop) 2025-06-14 2025-06-15 Standard Tshwane (GTP) 5 5 3 Yes Analysis
6 2025 Silver Lakes Chess Club Open Chess Tournament (U12) 2025-05-03 2025-05-03 Standard Tshwane (GTP) 5 5 5 Yes Analysis
7 2025 Chris Greyling Open Chess Tournament (U12) 2025-03-15 2025-03-15 Standard Tshwane (GTP) 5 5 3 Yes Analysis
8 2025 KSNG Open (U12) 2025-02-22 2025-02-22 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
9 2025 Blou Bul Open Chess Tournament (B) 2025-02-08 2025-02-08 Standard Tshwane (GTP) 5 5 1 Yes Analysis
10 2025 Tshwane Chess OPEN Registration Tournament (U12) 2025-01-25 2025-01-25 Standard Tshwane (GTP) 5 5 4 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Lardies Open 2025 (U12) 2025-10-18 2025-10-18 Standard Tshwane (GTP) 5 5 3 Yes Analysis
2 2025 Gauteng Top Schools Teams (U11) 2025-08-29 2025-08-29 Standard Tshwane (GTP) 5 4 4 Yes Analysis
3 2025 Tshwane South School District CLOSED League Championship (U11A) 2025-08-15 2025-08-15 Standard Tshwane (GTP) 5 5 5 Yes Analysis
4 2025 Etienne Lewis Closed Chess Tournament (U12) 2025-08-08 2025-08-10 Standard Tshwane (GTP) 7 7 5 Yes Analysis
5 2025 Elise Steenkamp Open Chess Tournament (Bishop) 2025-06-14 2025-06-15 Standard Tshwane (GTP) 5 5 3 Yes Analysis
6 2025 Silver Lakes Chess Club Open Chess Tournament (U12) 2025-05-03 2025-05-03 Standard Tshwane (GTP) 5 5 5 Yes Analysis
7 2025 Chris Greyling Open Chess Tournament (U12) 2025-03-15 2025-03-15 Standard Tshwane (GTP) 5 5 3 Yes Analysis
8 2025 KSNG Open (U12) 2025-02-22 2025-02-22 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
9 2025 Blou Bul Open Chess Tournament (B) 2025-02-08 2025-02-08 Standard Tshwane (GTP) 5 5 1 Yes Analysis
10 2025 Tshwane Chess OPEN Registration Tournament (U12) 2025-01-25 2025-01-25 Standard Tshwane (GTP) 5 5 4 Yes Analysis
11 Gauteng Inter-Region at UJ 2024 (U12 Open) 2024-12-07 2024-12-08 Standard Johannesburg Metro (GJM) 5 5 3.5 Yes Analysis
12 Laerskool Doringkloof Primary Open Chess Tournament 2024 (U12) 2024-10-19 2024-10-19 Standard Tshwane (GTP) 5 5 4 Yes Analysis
13 Gauteng Top Schools 2024 (U11 Open) 2024-10-04 2024-10-04 Standard Ekurhuleni (GE) 5 5 5 Yes Analysis
14 2024 Tuks Open Chess Tournament (U12) 2024-09-28 2024-09-28 Standard Tshwane (GTP) 5 5 3 Yes Analysis
15 2024 Etienne Lewis (U12) 2024-08-30 2024-09-01 Standard Tshwane (GTP) 7 7 5 Yes Analysis
16 Gauteng Schools Individuals Finals 2024 (U11 Boys) 2024-08-16 2024-08-16 Standard Ekurhuleni (GE) 5 5 4.5 Yes Analysis
17 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11A) 2024-08-03 2024-08-03 Standard Tshwane (GTP) 5 5 5 Yes Analysis
18 Menlopark Open Chess Tournament 2024 (U12) 2024-07-13 2024-07-13 Standard Tshwane (GTP) 5 5 4 Yes Analysis
19 2024 Elise Steenkamp Open Chess Tournament (Rooks) 2024-06-15 2024-06-15 Standard Tshwane (GTP) 5 5 4 Yes Analysis
20 2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed) 2024-05-11 2024-05-11 Standard Tshwane (GTP) 5 5 4.5 Yes Analysis
21 South African Junior Closed Chess Championship 2024 (U10 Open) 2024-04-27 2024-05-01 Standard Ekurhuleni (GE) 9 9 2 Yes Analysis
22 2024 Silver Lakes Open Chess Tournament (D1) 2024-04-21 2024-04-21 Standard Tshwane (GTP) 5 5 1.5 Yes Analysis
23 2024 KSNG CHess Academy Open Tournament (D1) 2024-04-06 2024-04-06 Standard Tshwane (GTP) 5 5 3 Yes Analysis
24 2024 Constantiapark Open (C) 2024-02-17 2024-02-17 Standard Tshwane (GTP) 5 5 3 Yes Analysis
25 2024 Tshwane Chess OPEN Registration Tournament (C2) 2024-01-27 2024-01-27 Standard Tshwane (GTP) 5 5 2 Yes Analysis
26 2024 Gauteng Inter-Region Chess Championship (U10A) 2024-01-13 2024-01-14 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
27 Lardies Open Tournament 2023 (C) 2023-10-28 2023-10-28 Standard Tshwane (GTP) 5 5 1.5 Yes Analysis
28 2023 Gauteng Top Schools (U9 Mixed) 2023-08-18 2023-08-18 Standard West Rand (GWR) 5 5 5 Yes Analysis
29 2023 Etienne Lewis Closed Tournament (U10) 2023-08-25 2023-08-27 Standard Tshwane (GTP) 7 7 4.5 Yes Analysis
30 2023 Tshwane South School District CLOSED League Championship (U9) 2023-07-29 2023-07-29 Standard Tshwane (GTP) 5 5 5 Yes Analysis
31 2023 Menlo Open Tournament (C) 2023-07-22 2023-07-22 Standard Tshwane (GTP) 5 5 2 Yes Analysis
32 Wynie Robbertse Open Tournament 2023 (C) 2023-06-03 2023-06-03 Standard Tshwane (GTP) 5 5 2 Yes Analysis
33 2023 Elize Steenkamp Open Tournament (C) 2023-06-16 2023-06-17 Standard Tshwane (GTP) 6 6 2 Yes Analysis
34 2023 Tshwane South School District CLOSED Individual Championships (U11 Open) 2023-04-22 2023-04-22 Standard Tshwane (GTP) 5 5 4 Yes Analysis
35 2023 Milos Ristic Open Tournament (C) 2023-04-27 2023-04-27 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
36 Chris Greyling Open Tournament 2023 (D1) 2023-03-21 2023-03-21 Standard Tshwane (GTP) 5 5 3 Yes Analysis
37 Tuks Junior Developmental Chess Tournament 2023 (Red) 2023-03-18 2023-03-18 Standard Tshwane (GTP) 5 5 5 Yes Analysis
38 2023 Afrikaans Hoër Seunskool Open Chess Tournament (D1) 2023-03-04 2023-03-04 Standard Tshwane (GTP) 5 5 2 Yes Analysis
39 Laerskool Constantiapark Open Chess Tournament 2023 (U10) 2023-02-18 2023-02-18 Standard Tshwane (GTP) 5 5 4 Yes Analysis
40 2023 Tshwane Chess Open Registration Tournament (D1) 2023-01-28 2023-01-28 Standard Tshwane (GTP) 5 5 3 Yes Analysis
41 2022 South African Junior Team Chess Championships (U10 Open) 2022-12-04 2022-12-08 Standard 4 Knights (4K) 7 7 4 Yes Analysis
42 Lardies Tournament 2022 (U10) 2022-10-29 2022-10-29 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
43 2022 Etienne Lewis (U10 Open) 2022-09-02 2022-09-04 Standard Tshwane (GTP) 7 7 4 Yes Analysis
44 Tuks Junior Developmental Tournament 2022 (Yellow) 2022-08-06 2022-08-06 Standard Tshwane (GTP) 5 5 3 Yes Analysis
45 2022 Gauteng Schools Team Championships (U9 Open) 2022-08-27 2022-08-27 Standard Tshwane (GTP) 5 5 5 Yes Analysis
46 D4 Play Offs 2022 (U9) 2022-07-30 2022-07-30 Standard Tshwane (GTP) 5 5 5 Yes Analysis
47 2022 Menlo Open Tournament (E) 2022-07-23 2022-07-23 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
48 2022 Blou Bul Open (E) 2022-06-25 2022-06-25 Standard Tshwane (GTP) 5 5 1.5 Yes Analysis
49 2022 Silver Lakes Chess Club Open Chess Tournament (E) 2022-05-07 2022-05-07 Standard Tshwane (GTP) 5 5 3 Yes Analysis
50 2021 Milos Ristic Open (E+F) 2021-10-09 2021-10-09 Standard Tshwane (GTP) 5 5 2 Yes Analysis

Top 3 Streaks

# Games Start End
1 19 Tournament
2024 Elise Steenkamp Open Chess Tournament
Tournament
2024 Etienne Lewis
date
2024-06-15
rnd
4
type
Standard
result
1
date
2024-08-31
rnd
2
type
Standard
result
1
Opponent
Motsamai, O (Ontlametse Bokamoso)
Opponent
Mabuza, O (Oluhle)
2 18 Tournament
2023 Menlo Open Tournament
Tournament
2023 Etienne Lewis Closed Tournament
date
2023-07-22
rnd
3
type
Standard
result
1
date
2023-08-27
rnd
5
type
Standard
result
0.5
Opponent
Du Toit, J (John-Henry)
Opponent
Van Der Merwe, ZC (Zander Christiaan)
3 10 Tournament
2025 Tshwane South School District CLOSED League Championship
Tournament
Lardies Open 2025
date
2025-08-15
rnd
1
type
Standard
result
1
date
2025-10-18
rnd
1
type
Standard
result
1
Opponent
Deary, A (Alex)
Opponent
Du Toit, W (Wilco)
# Games Start End
1 19 Tournament
2024 Elise Steenkamp Open Chess Tournament
Tournament
2024 Etienne Lewis
date
2024-06-15
rnd
4
type
Standard
result
1
date
2024-08-31
rnd
2
type
Standard
result
1
Opponent
Motsamai, O (Ontlametse Bokamoso)
Opponent
Mabuza, O (Oluhle)
2 18 Tournament
2023 Menlo Open Tournament
Tournament
2023 Etienne Lewis Closed Tournament
date
2023-07-22
rnd
3
type
Standard
result
1
date
2023-08-27
rnd
5
type
Standard
result
0.5
Opponent
Du Toit, J (John-Henry)
Opponent
Van Der Merwe, ZC (Zander Christiaan)
3 9 Tournament
2023 Afrikaans Hoër Seunskool Open Chess Tournament
Tournament
Chris Greyling Open Tournament 2023
date
2023-03-04
rnd
4
type
Standard
result
1
date
2023-03-21
rnd
2
type
Standard
result
1
Opponent
Setumo, T (Tlou)
Opponent
Padayachy, V (Vidya)
No games found.
# Games Start End
No games found.
# Games Start End
# Games Start End
1 14 Tournament
2023 Tshwane South School District CLOSED League Championship
Tournament
2023 Etienne Lewis Closed Tournament
date
2023-07-29
rnd
1
type
Standard
result
1
date
2023-08-26
rnd
4
type
Standard
result
1
Opponent
Hewitt, E (Edwin)
Opponent
Grobbelaar, M (Mienje)
2 9 Tournament
2023 Afrikaans Hoër Seunskool Open Chess Tournament
Tournament
Chris Greyling Open Tournament 2023
date
2023-03-04
rnd
4
type
Standard
result
1
date
2023-03-21
rnd
2
type
Standard
result
1
Opponent
Setumo, T (Tlou)
Opponent
Padayachy, V (Vidya)
3 8 Tournament
D4 Tshwane South District Schools Teams Chess Tournament 2024
Tournament
Gauteng Schools Individuals Finals 2024
date
2024-08-03
rnd
1
type
Standard
result
1
date
2024-08-16
rnd
3
type
Standard
result
1
Opponent
Van Reenen, C (Connor)
Opponent
Botha, L (Logan)
# Games Start End
1 14 Tournament
2023 Tshwane South School District CLOSED League Championship
Tournament
2023 Etienne Lewis Closed Tournament
date
2023-07-29
rnd
1
type
Standard
result
1
date
2023-08-26
rnd
4
type
Standard
result
1
Opponent
Hewitt, E (Edwin)
Opponent
Grobbelaar, M (Mienje)
2 9 Tournament
2023 Afrikaans Hoër Seunskool Open Chess Tournament
Tournament
Chris Greyling Open Tournament 2023
date
2023-03-04
rnd
4
type
Standard
result
1
date
2023-03-21
rnd
2
type
Standard
result
1
Opponent
Setumo, T (Tlou)
Opponent
Padayachy, V (Vidya)
3 8 Tournament
D4 Tshwane South District Schools Teams Chess Tournament 2024
Tournament
Gauteng Schools Individuals Finals 2024
date
2024-08-03
rnd
1
type
Standard
result
1
date
2024-08-16
rnd
3
type
Standard
result
1
Opponent
Van Reenen, C (Connor)
Opponent
Botha, L (Logan)
No games found.
# Games Start End
No games found.
# Games Start End

Top 10 opponents most often played

# Opponent Main Standard Rapid Blitz
Gms Score Dp Gms Score Dp Gms Score Dp Gms Score Dp
Aor Prat Aor Prat Aor Prat Aor Prat
1 Barkhuizen ,SJ (Simon Jurgens) 6 1.5 -212.5 6 1.5 -212.5 0 0 0 0 0 0
1466.2 1253.7 1457.3 1253.7 0 0 0 0
2 Van Der Merwe ,ZC (Zander Christiaan) 5 4.5 340 5 4.5 340 0 0 0 0 0 0
1399.4 1739.4 1388.4 1739.4 0 0 0 0
3 Truscott ,A (Adriaan) 4 2 0 4 2 0 0 0 0 0 0 0
1345.7 1345.7 1342 1345.7 0 0 0 0
4 Oosthuizen ,J (Jaco) 3 2.5 283.3 3 2.5 283.3 0 0 0 0 0 0
1272.6 1556 1275.7 1556 0 0 0 0
5 Grobbelaar ,M (Mienje) 3 3 425 3 3 425 0 0 0 0 0 0
1391.7 1816.7 1397.2 1816.7 0 0 0 0
6 Coetzee ,M (Marko) 3 2.5 283.3 3 2.5 283.3 0 0 0 0 0 0
1219.3 1502.6 1209.4 1502.6 0 0 0 0
7 Wolvaardt ,J (Jonathan) 3 2 141.7 3 2 141.7 0 0 0 0 0 0
1402.6 1544.2 1419 1544.2 0 0 0 0
8 Minny ,O (Oban) 3 2.5 283.3 3 2.5 283.3 0 0 0 0 0 0
1383 1666.3 1362.7 1666.3 0 0 0 0
9 Goncalves ,E (Emilio) 3 2 141.7 3 2 141.7 0 0 0 0 0 0
1616.6 1758.2 1613.7 1758.2 0 0 0 0
10 Olivier ,F (Frederik) 3 3 425 3 3 425 0 0 0 0 0 0
1234.4 1659.4 1228.5 1659.4 0 0 0 0

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
© Chess South Africa