PLAYER PAGE

Personal

Kemp, J (Jowan)

Chess SA id

1110139656

FIDE id

534007911

Date of birth

2011-06-15 (U16)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2025-12-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1557.4 1549.1 1265.2 1245.2
Raw rating 1538.3 1537.9 1265.2 1245.2
Weighted rating 1472.2 1467.9 1255.8 1213.7
Weighted performance 1557.4 1549.1 0 0
Floor 1038.3 1037.9 765.2 745.2
K-factor 32 32 36 36
Min/Max rating change allowed 102.4 102.5 151.1 155.5
Highest rating 1557.4
2026-01-01
1549.1
2026-01-01
1342.7
2023-10-01
1245.2
2025-11-01
Highest raw rating 1538.3
2026-01-01
1537.9
2026-01-01
1265.2
2025-11-01
1245.2
2025-11-01
Highest weighted rating 1472.2
2026-01-01
1467.9
2026-01-01
1254
2025-11-01
1207.3
2025-11-01
Highest weighted performance 1557.4
2026-01-01
1549.1
2026-01-01
1342.7
2023-10-01
1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change -10.2 -10.2 0 0
New rating 1547.1 1538.9 1265.2 1245.2
Analysis
Rating 1557.4 1549.1 1265.2 1245.2
Raw rating 1538.3 1537.9 1265.2 1245.2
Weighted rating 1472.2 1467.9 1255.8
Weighted performance 1557.4 1549.1 0
K-factor 32 32 36 36
Floor 1038.3 1037.9 765.2 745.2
Max/Min rating change allowed 102.4 102.5 151.1 155.5
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 1538.3 1537.9 1265.2 1245.2
New weighted rating 1478.8 1475.1 1256.7 1216.7
New weighted performance 1547.1 1538.9 0 0
Temp new rating 1547.1 1538.9 1265.2 1245.2
Temp new rating +/- -10.2 -10.2 0 0
Final new rating +/- -10.2 -10.2 0 0
New rating 1547.1 1538.9 1265.2 1245.2
New K-factor 32 32 36 36
New floor 1038.3 1037.9 765.2 745.2

Item Main Standard Rapid Blitz
0 0 0 0
90 71 5 14
64 64 0 0
55 45 10 0
10 10 0 0
0 0 0 0
History 219 190 15 14

Games since
Main
154
Standard
135
Rapid
5
Blitz
14
Gender Male
Age group U16
Region Sedibeng (GSV)
Province Gauteng (GT)
Main
RSA Province Region
Overall 1290 444 36
Male 1102 369 33
U16 157 48 3
U16 Male 125 36 2
Standard
RSA Province Region
Overall 1276 463 39
Male 1080 387 35
U16 167 53 4
U16 Male 134 41 3
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U16 -1 -1 -1
U16 Male -1 -1 -1
Blitz
RSA Province Region
Overall 385 126 9
Male 355 112 9
U16 37 13 1
U16 Male 32 10 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 90 59 65.56 132.2 1371.5 1503.7
Standard 71 47.5 66.9 143.7 1343.6 1487.2
Rapid 5 3 60 85 1389.9 1474.9
Blitz 14 8.5 60.71 91.1 1506.3 1597.4
History
Games Score % Dp AvgOpp Performance
Main 219 133 60.73 91.2 1322.9 1414.1
Standard 190 115 60.53 89.5 1306 1395.5
Rapid 15 9.5 63.33 113.3 1365.8 1479.1
Blitz 14 8.5 60.71 91.1 1506.3 1597.4

Date Main Standard Rapid Blitz
2026-01-01 1538.3 1537.9 1265.2 1245.2
2025-11-30 1497.5 1491.5 1265.2 1245.2
2025-11-01 1468.8 1454.7 1265.2 1245.2
2025-09-30 1453 1446.4 1253 1212.8
2025-09-01 1483.3 1481.3 1253 1212.8
2025-08-01 1465.4 1459.8 1253 1212.8
2025-07-01 1506.8 1497.8 1253 1212.8
2025-06-01 1515.6 1519.3 1253 1200
2025-05-01 1515.6 1519.3 1253 1200
2025-04-01 1515.6 1519.3 1253 1200
2025-03-01 1453.5 1455.9 1253 1200
2025-02-01 1448.9 1451.5 1253 1200
2025-01-01 1448.9 1451.5 1253 1200
2024-12-01 1476.6 1480.3 1253 1200
2024-11-01 1459.3 1458.8 1253 1200
2024-10-01 1379.1 1366.4 1253 1200
2024-09-01 1392.1 1379.5 1253 1200
2024-11-01 1392.1 1379.5 1253 1200
2024-07-01 1366.6 1345.9 1253 1200
2024-06-01 1391 1372.1 1253 1200
2024-05-01 1391 1372.1 1253 1200
2024-04-01 1413 1395.8 1253 1200
2024-03-01 1473.3 1465.9 1253 1200
2024-02-01 1473.3 1465.9 1253 1200

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Mzansi Individual Championships (U16 Open) 2025-12-17 2025-12-20 Standard Nelson Mandela Bay (ENM) 6 6 3 Yes Analysis
2 2025 Mzansi Inter Provincial Team Championships (U16 Open) 2025-12-15 2025-12-17 Standard Nelson Mandela Bay (ENM) 6 5 2 Yes Analysis
3 Gauteng Inter-Region at Emerald Resort 2025 (U16 Championship) 2025-12-06 2025-12-07 Standard Sedibeng (GSV) 5 5 3.5 Yes Analysis
4 Queen's Gambit Chess Open 29 Nov 2025 (C) 2025-11-29 2025-11-29 Standard Sedibeng (GSV) 5 5 4.5 Yes Analysis
5 Chess-in-the-Vaal Academy Blitz Open 25 Oct 2025 (A) 2025-10-25 2025-10-25 Blitz Sedibeng (GSV) 7 7 4.5 Yes Analysis
6 2025 Gauteng Top Schools Teams (U15) 2025-08-30 2025-08-30 Standard Tshwane (GTP) 5 5 4 Yes Analysis
7 LS Fonteine Open 18 Oct 2025 (B+C) 2025-10-18 2025-10-18 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
8 Checkmate for Change Rapid 11 Oct 2025 (B) 2025-10-11 2025-10-11 Rapid Sedibeng (GSV) 5 5 3 Yes Analysis
9 2025 Gauteng Schools Provincial Individual Chess Championship (U15 Boys) 2025-09-27 2025-09-27 Standard Tshwane (GTP) 5 5 3 Yes Analysis
10 Laerskool Eligwa Open 20 Sept 2025 (C) 2025-09-20 2025-09-20 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
11 Sedibeng Chess Open 06 Sept 2025 (C) 2025-09-06 2025-09-06 Standard Sedibeng (GSV) 5 4 1.5 Yes Analysis
12 GDE (D8) Sedibeng West Schools - Teams 2025 (U15) 2025-08-16 2025-08-16 Standard Sedibeng (GSV) 5 4 3.5 Yes Analysis
13 South African Open 2025 (U16 Open) 2025-07-03 2025-07-05 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
14 LS Vryheidsmonument Chess Open 21 Jun 2025 (C) 2025-06-21 2025-06-21 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
15 HS Driehoek Chess Open 2025 (C) 2025-06-14 2025-06-14 Standard Sedibeng (GSV) 5 5 3.5 Yes Analysis
16 GDE (D8) Sedibeng West Schools Individuals 2025 (U15 Boys) 2025-06-07 2025-06-07 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
17 Vaal Chess Club Blitz Open 31 May 2025 (A) 2025-05-31 2025-05-31 Blitz Sedibeng (GSV) 7 7 4 Yes Analysis
18 Hoerskool Drie Riviere Open 08 March 2025 (C) 2025-03-08 2025-03-08 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
19 Laerskool Vaalpark Open 01 March 25 (C) 2025-03-01 2025-03-01 Standard Sedibeng (GSV) 5 4 4 Yes Analysis
20 Laer Volkskool Open 15 Feb 2025 (C) 2025-02-15 2025-02-15 Standard Sedibeng (GSV) 5 4 1 Yes Analysis
21 Afrikaans High School Open 08 Feb 2025 (C) 2025-02-08 2025-02-08 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
22 Gauteng Inter-Region at UJ 2024 (U14 Open) 2024-12-07 2024-12-08 Standard Johannesburg Metro (GJM) 5 5 1 Yes Analysis
23 Queens Gambit Chess Open 2024 (C) 2024-11-23 2024-11-23 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
24 Fonteine Open 2024 (C) 2024-10-19 2024-10-19 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
25 NWU Vaal Chess Open 12 Oct 2024 (D) 2024-10-12 2024-10-12 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
26 Kings Gambit Chess Open 14 Sept 2024 (C) 2024-09-14 2024-09-14 Standard Sedibeng (GSV) 5 5 2.5 Yes Analysis
27 Eureka Open 27 July 2024 (F) 2024-07-27 2024-07-27 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
28 AG Visser Open 2024 (B) 2024-06-08 2024-06-08 Standard Sedibeng (GSV) 5 4 1 Yes Analysis
29 Vaalpark Primary Chess Open 2024 (B) 2024-04-13 2024-04-13 Standard Sedibeng (GSV) 5 5 2.5 Yes Analysis
30 HS Drie Riviere Chess Open Section 2024 2024-03-09 2024-03-09 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
31 Valia's Open 2024 (C) 2024-03-02 2024-03-02 Standard Sedibeng (GSV) 5 5 2 Yes Analysis
32 NG Kerk Vanderbijlpark Suid 2024 (C) 2024-02-24 2024-02-24 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
33 Laerskool Midvaal Chess Open Section 2024 (C) 2024-02-10 2024-02-10 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
34 2024 Gauteng Inter-Region Chess Championship (U14B) 2024-01-13 2024-01-14 Standard Tshwane (GTP) 5 5 3 Yes Analysis
35 Queens Gambit Chess Open 2023 (D) 2023-11-25 2023-11-25 Standard Sedibeng (GSV) 5 5 5 Yes Analysis
36 Evaton Primary Chess Open 2023 (E) 2023-11-18 2023-11-18 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
37 NWU Vaal Open 2023 (D) 2023-10-14 2023-10-14 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
38 Dr Pieter Hangelbroek Rapid 2023 (C) 2023-10-28 2023-10-28 Rapid Sedibeng (GSV) 5 5 3.5 Yes Analysis
39 Fonteine Chess Open 2023 (D) 2023-09-02 2023-09-02 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
40 Overvaal Ope Jul 2023 (C) 2023-07-22 2023-07-22 Standard Sedibeng (GSV) 5 5 2.5 Yes Analysis
41 Eureka Open 2023 (D) 2023-07-29 2023-07-29 Standard Sedibeng (GSV) 5 5 2 Yes Analysis
42 VaalPark Primary Open Chess 2023 (C) 2023-06-16 2023-06-16 Rapid Sedibeng (GSV) 5 5 3 Yes Analysis
43 Valia's Chess Tournament 2023 (C) 2023-05-06 2023-05-06 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
44 Driehoek Open Chess Tournament 2023 (C) 2023-09-13 2023-09-13 Standard Sedibeng (GSV) 5 5 2 Yes Analysis
45 Hoerskool Drie Riviere Open 2023 (D) 2023-03-11 2023-03-11 Standard Sedibeng (GSV) 5 5 2 Yes Analysis
46 Hoerskool Overvaal 2022 (C) 2022-06-11 2022-06-11 Standard Sedibeng (GSV) 5 5 1 Yes Analysis
47 Lux Deo NG Kerk Chess Open 2022 (D) 2022-04-09 2022-04-09 Standard Sedibeng (GSV) 5 5 2 Yes Analysis

Top 3 Streaks

# Games Start End
1 10 Tournament
Evaton Primary Chess Open 2023
Tournament
2024 Gauteng Inter-Region Chess Championship
date
2023-11-18
rnd
4
type
Standard
result
1
date
2024-01-13
rnd
3
type
Standard
result
1
Opponent
Seholaro, T (Thato)
Opponent
Schoeman, J (Juandre)
2 8 Tournament
Vaal Chess Club Blitz Open 31 May 2025
Tournament
HS Driehoek Chess Open 2025
date
2025-05-31
rnd
7
type
Blitz
result
1
date
2025-06-14
rnd
2
type
Standard
result
1
Opponent
Wagner, E (Elona)
Opponent
Visser, M (Mila)
3 6 Tournament
South African Open 2025
Tournament
2025 Gauteng Top Schools Teams
date
2025-07-05
rnd
5
type
Standard
result
0.5
date
2025-08-30
rnd
1
type
Standard
result
1
Opponent
Steele, S (Sangwani)
Opponent
Grobbelaar, G (Gideon)
# Games Start End
1 10 Tournament
Evaton Primary Chess Open 2023
Tournament
2024 Gauteng Inter-Region Chess Championship
date
2023-11-18
rnd
4
type
Standard
result
1
date
2024-01-13
rnd
3
type
Standard
result
1
Opponent
Seholaro, T (Thato)
Opponent
Schoeman, J (Juandre)
2 9 Tournament
Hoerskool Drie Riviere Open 08 March 2025
Tournament
HS Driehoek Chess Open 2025
date
2025-03-08
rnd
4
type
Standard
result
1
date
2025-06-14
rnd
2
type
Standard
result
1
Opponent
Ramothibe, B (Bonolo Gosiame)
Opponent
Visser, M (Mila)
3 6 Tournament
South African Open 2025
Tournament
Sedibeng Chess Open 06 Sept 2025
date
2025-07-05
rnd
5
type
Standard
result
0.5
date
2025-09-06
rnd
1
type
Standard
result
0.5
Opponent
Steele, S (Sangwani)
Opponent
Okelly, R (Ryan)
# Games Start End
1 4 Tournament
Dr Pieter Hangelbroek Rapid 2023
Tournament
Dr Pieter Hangelbroek Rapid 2023
date
2023-10-28
rnd
2
type
Rapid
result
1
date
2023-10-28
rnd
5
type
Rapid
result
1
Opponent
Viljoen, C (Chene)
Opponent
Van Der Merwe, W (Willem)
2 2 Tournament
VaalPark Primary Open Chess 2023
Tournament
VaalPark Primary Open Chess 2023
date
2023-06-16
rnd
1
type
Rapid
result
1
date
2023-06-16
rnd
2
type
Rapid
result
1
Opponent
Van De Venter, Z (Zandre)
Opponent
Brand, H (Henko)
3 1 Tournament
VaalPark Primary Open Chess 2023
Tournament
VaalPark Primary Open Chess 2023
date
2023-06-16
rnd
5
type
Rapid
result
1
date
2023-06-16
rnd
5
type
Rapid
result
1
Opponent
Balasubramaniam, Y (Yugandheeraa)
Opponent
Balasubramaniam, Y (Yugandheeraa)
# Games Start End
1 2 Tournament
Vaal Chess Club Blitz Open 31 May 2025
Tournament
Vaal Chess Club Blitz Open 31 May 2025
date
2025-05-31
rnd
3
type
Blitz
result
1
date
2025-05-31
rnd
4
type
Blitz
result
1
Opponent
Odendaal, H (Hayden)
Opponent
Campher, H (Hannah)
2 1 Tournament
Vaal Chess Club Blitz Open 31 May 2025
Tournament
Vaal Chess Club Blitz Open 31 May 2025
date
2025-05-31
rnd
7
type
Blitz
result
1
date
2025-05-31
rnd
7
type
Blitz
result
1
Opponent
Wagner, E (Elona)
Opponent
Wagner, E (Elona)
3 1 Tournament
Vaal Chess Club Blitz Open 31 May 2025
Tournament
Vaal Chess Club Blitz Open 31 May 2025
date
2025-05-31
rnd
1
type
Blitz
result
1
date
2025-05-31
rnd
1
type
Blitz
result
1
Opponent
Muller, L (Leighton)
Opponent
Muller, L (Leighton)
# Games Start End
1 10 Tournament
Evaton Primary Chess Open 2023
Tournament
2024 Gauteng Inter-Region Chess Championship
date
2023-11-18
rnd
4
type
Standard
result
1
date
2024-01-13
rnd
3
type
Standard
result
1
Opponent
Seholaro, T (Thato)
Opponent
Schoeman, J (Juandre)
2 5 Tournament
Laerskool Vaalpark Open 01 March 25
Tournament
Hoerskool Drie Riviere Open 08 March 2025
date
2025-03-01
rnd
1
type
Standard
result
1
date
2025-03-08
rnd
1
type
Standard
result
1
Opponent
Nkwe, O (Oratilwe Ellen)
Opponent
Laage, U (Ulrich)
3 5 Tournament
NWU Vaal Chess Open 12 Oct 2024
Tournament
Fonteine Open 2024
date
2024-10-12
rnd
3
type
Standard
result
1
date
2024-10-19
rnd
2
type
Standard
result
1
Opponent
Maloka, L (Lesedi)
Opponent
Williams, A (Anika)
# Games Start End
1 10 Tournament
Evaton Primary Chess Open 2023
Tournament
2024 Gauteng Inter-Region Chess Championship
date
2023-11-18
rnd
4
type
Standard
result
1
date
2024-01-13
rnd
3
type
Standard
result
1
Opponent
Seholaro, T (Thato)
Opponent
Schoeman, J (Juandre)
2 5 Tournament
Laerskool Vaalpark Open 01 March 25
Tournament
Hoerskool Drie Riviere Open 08 March 2025
date
2025-03-01
rnd
1
type
Standard
result
1
date
2025-03-08
rnd
1
type
Standard
result
1
Opponent
Nkwe, O (Oratilwe Ellen)
Opponent
Laage, U (Ulrich)
3 5 Tournament
NWU Vaal Chess Open 12 Oct 2024
Tournament
Fonteine Open 2024
date
2024-10-12
rnd
3
type
Standard
result
1
date
2024-10-19
rnd
2
type
Standard
result
1
Opponent
Maloka, L (Lesedi)
Opponent
Williams, A (Anika)
# Games Start End
1 2 Tournament
Dr Pieter Hangelbroek Rapid 2023
Tournament
Dr Pieter Hangelbroek Rapid 2023
date
2023-10-28
rnd
2
type
Rapid
result
1
date
2023-10-28
rnd
3
type
Rapid
result
1
Opponent
Viljoen, C (Chene)
Opponent
Schoombie, W (Willem)
2 2 Tournament
VaalPark Primary Open Chess 2023
Tournament
VaalPark Primary Open Chess 2023
date
2023-06-16
rnd
1
type
Rapid
result
1
date
2023-06-16
rnd
2
type
Rapid
result
1
Opponent
Van De Venter, Z (Zandre)
Opponent
Brand, H (Henko)
3 1 Tournament
Dr Pieter Hangelbroek Rapid 2023
Tournament
Dr Pieter Hangelbroek Rapid 2023
date
2023-10-28
rnd
5
type
Rapid
result
1
date
2023-10-28
rnd
5
type
Rapid
result
1
Opponent
Van Der Merwe, W (Willem)
Opponent
Van Der Merwe, W (Willem)
# Games Start End
1 2 Tournament
Vaal Chess Club Blitz Open 31 May 2025
Tournament
Vaal Chess Club Blitz Open 31 May 2025
date
2025-05-31
rnd
3
type
Blitz
result
1
date
2025-05-31
rnd
4
type
Blitz
result
1
Opponent
Odendaal, H (Hayden)
Opponent
Campher, H (Hannah)
2 1 Tournament
Vaal Chess Club Blitz Open 31 May 2025
Tournament
Vaal Chess Club Blitz Open 31 May 2025
date
2025-05-31
rnd
7
type
Blitz
result
1
date
2025-05-31
rnd
7
type
Blitz
result
1
Opponent
Wagner, E (Elona)
Opponent
Wagner, E (Elona)
3 1 Tournament
Vaal Chess Club Blitz Open 31 May 2025
Tournament
Vaal Chess Club Blitz Open 31 May 2025
date
2025-05-31
rnd
1
type
Blitz
result
1
date
2025-05-31
rnd
1
type
Blitz
result
1
Opponent
Muller, L (Leighton)
Opponent
Muller, L (Leighton)

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 Visser ,M (Mila) 6 4 141.7 6 4 141.7 0 0 0 0 0 0
1323.2 1464.8 1321.5 1464.8 0 0 0 0
2 Van De Venter ,ZI (Zandre) 6 2 -141.7 4 1 -212.5 1 1 425 1 0 -425
1499.5 1357.9 1499.3 1287 1200 1924.5 1205 1074.5
3 Campher ,H (Hannah) 6 3.5 70.8 4 1.5 -106.2 0 0 0 2 2 425
1418.6 1489.4 1405.3 1312.3 0 0 1169.7 1843.6
4 Williams ,A (Anika) 4 1 -212.5 4 1 -212.5 0 0 0 0 0 0
1507.2 1294.7 1494.5 1294.7 0 0 0 0
5 Laage ,U (Ulrich) 4 4 425 4 4 425 0 0 0 0 0 0
1150.6 1575.6 1140.2 1575.6 0 0 0 0
6 Naidoo ,K (Kajol) 4 0 -425 4 0 -425 0 0 0 0 0 0
1663.9 1238.9 1688.5 1238.9 0 0 0 0
7 Brand ,HVN (Hendrik van Niekerk (Henko)) 4 1 -212.5 2 0 -425 2 1 0 0 0 0
1485.6 1273.1 1484.6 1060.6 1230.8 1485.6 0 0
8 Emanuel ,C (Caitlin) 3 3 425 3 3 425 0 0 0 0 0 0
1330.2 1755.2 1305.8 1755.2 0 0 0 0
9 Okelly ,R (Ryan) 3 1 -141.7 3 1 -141.7 0 0 0 0 0 0
1342 1200.3 1355.8 1200.3 0 0 0 0
10 Lempe ,RK (Rorisang Katleho) 3 2 141.7 3 2 141.7 0 0 0 0 0 0
1178.7 1320.3 1173.5 1320.3 0 0 0 0

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
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