PLAYER PAGE

Jowan Kemp

1110139656
Sedibeng (GSV)
Personal
Main rating
Rating 1505.1
K-factor 32
Floor 1081.4
Highest 1581.4 (2026-07-01)
Min/Max +/- allowed 96
Rating Change
()
Games 29
Score 17.5
We 17.2
SWe 0.19
Temp +/- 6.2
Penalties 0
Weight perform 1440.1
Final +/- +6.2
New Rating
()
Rating 1511.3
K-factor 32
Floor 1081.4
Highest 1581.4 (2026-07-01)
Min/Max +/- allowed 96.3
Standard rating
Rating 1525
K-factor 32
Floor 1037.9
Highest 1549.1 (2026-01-01)
Min/Max +/- allowed 100.8
Rating Change
()
Games 15
Score 9
We 8.89
SWe 0.11
Temp +/- 3.5
Penalties 0
Weight perform 1512.7
Final +/- +3.5
New Rating
()
Rating 1528.5
K-factor 32
Floor 1037.9
Highest 1549.1 (2026-01-01)
Min/Max +/- allowed 100.8
Rapid rating
Rating 1398
K-factor 32
Floor 1018.4
Highest 1518.4 (2026-08-01)
Min/Max +/- allowed 105.3
Rating Change
()
Games 5
Score 4
We 3.13
SWe -0.23
Temp +/- -7.4
Penalties 0
Weight perform 1411
Final +/- +13
New Rating
()
Rating 1411
K-factor 32
Floor 1018.4
Highest 1518.4 (2026-08-01)
Min/Max +/- allowed 105.3
Blitz rating
Rating 1245.2
K-factor 36
Floor 745.2
Highest 1245.2 (2025-11-01)
Min/Max +/- allowed 155.5
Rating Change
()
Games 9
Score 4.5
We 6.43
SWe -1.93
Temp +/- -69.5
Penalties 0
Weight perform 0
Final +/- -69.5
New Rating
()
Rating 1175.6
K-factor 36
Floor 745.2
Highest 1245.2 (2025-11-01)
Min/Max +/- allowed 155.5
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Fonteine Chess Open 2026 (B) Standard 2026-10-24 2026-10-24 Sedibeng (GSV) 5 1505.1 5 3.5 1372.4 -12.1 Details
2 Gauteng Closed Chess Championships 2026 (U16 Open) Standard 2026-10-17 2026-10-17 Ekurhuleni (GE) 5 1505.1 5 3 1677.8 27.9 Details
3 Ponziani Chess Open 2026 (C) Standard 2026-10-10 2026-10-10 Sedibeng (GSV) 5 1505.1 5 2.5 1516 0.6 Details
4 Gauteng Top Schools Teams 2026 (U19 Open) Rapid 2026-08-28 2026-08-28 Ekurhuleni (GE) 5 1505.1 5 4 1675.5 6.6 Details
5 Chess-in-the-Vaal Blitz 2026 (A+B) Blitz 2026-09-26 2026-09-26 Sedibeng (GSV) 9 1505.1 9 4.5 1267.5 -7.9 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 FIDE ko Mkhelele, Zwakalang 2026 (A) Rapid 2026-09-19 2026-09-19 Sedibeng (GSV) 6 1514.9 5 2 1356.3 -9.8 Details
2 D8 Sedibeng West Team Championships 2026 (U19 Mixed + U19 Girls) Rapid 2026-08-22 2026-08-22 Sedibeng (GSV) 5 1514.9 5 2 1145.8 -58 Details
3 Checkmate the Cold Fundraiser 2026 (B) Rapid 2026-07-18 2026-07-18 Sedibeng (GSV) 5 1581.4 5 2.5 1465.2 -8.5 Details
4 LS Vryheidsmonument Open 2026 (A+B) Standard 2026-06-20 2026-06-20 Sedibeng (GSV) 5 1546.5 0 0 500 0 Details
5 Kings and Queens Chess Open 2026 (A) Standard 2026-06-13 2026-06-13 Sedibeng (GSV) 5 1546.5 5 3 1567.3 2.2 Details
6 D8 (Sedibeng West) Individuals League 2026 (U15 Boys) Rapid 2026-05-16 2026-05-29 Sedibeng (GSV) 4 1546.5 4 4 1720.4 0 Details
7 Fundraiser for Philip and Anika 09 May 2026 (A+B) Standard 2026-05-09 2026-05-09 Sedibeng (GSV) 5 1474.4 5 3 1688.3 33.7 Details
8 Checkmate for Change Rapid 2026 (C+D) Rapid 2026-05-02 2026-05-02 Sedibeng (GSV) 5 1474.4 5 4 1675.8 15.3 Details
9 South African Junior Closed Chess Championship 2026 (U16 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1537 9 3 1355.9 -62.5 Details
10 Laer Volkskool Chess Open 14 March 2026 (A) Standard 2026-03-14 2026-03-14 Sedibeng (GSV) 5 1538.3 5 2.5 1513.6 -4.9 Details
11 Hoerskool Drie Riviere Chess Open 07 March 2026 (A) Standard 2026-03-07 2026-03-07 Sedibeng (GSV) 5 1538.3 5 3 1567.7 3.6 Details
12 2025 Mzansi Individual Championships (U16 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1497.9 6 3 1483.7 -2 Details
13 2025 Mzansi Inter Provincial Team Championships (U16 Open) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1497.9 5 2 1590.2 8.1 Details
14 Gauteng Inter-Region at Emerald Resort 2025 (U16 Championship) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1497.9 5 3.5 1666.1 19.4 Details
15 Queen's Gambit Chess Open 29 Nov 2025 (C) Standard 2025-11-29 2025-11-29 Sedibeng (GSV) 5 1469.3 5 4.5 1643.5 17.9 Details
16 Chess-in-the-Vaal Academy Blitz Open 25 Oct 2025 (A) Blitz 2025-10-25 2025-10-25 Sedibeng (GSV) 7 1460.7 7 4.5 1636.9 7.2 Details
17 2025 Gauteng Top Schools Teams (U15) Standard 2025-08-30 2025-08-30 Tshwane (GTP) 5 1460.7 5 4 1519.7 6.6 Details
18 LS Fonteine Open 18 Oct 2025 (B+C) Standard 2025-10-18 2025-10-18 Sedibeng (GSV) 5 1460.7 5 3 1426.2 -2.5 Details
19 Checkmate for Change Rapid 11 Oct 2025 (B) Rapid 2025-10-11 2025-10-11 Sedibeng (GSV) 5 1460.7 5 3 1474.9 0.3 Details
20 2025 Gauteng Schools Provincial Individual Chess Championship (U15 Boys) Standard 2025-09-27 2025-09-27 Tshwane (GTP) 5 1460.7 5 3 1435.5 -1.8 Details
21 Laerskool Eligwa Open 20 Sept 2025 (C) Standard 2025-09-20 2025-09-20 Sedibeng (GSV) 5 1483.3 5 3 1446.2 -2.8 Details
22 Sedibeng Chess Open 06 Sept 2025 (C) Standard 2025-09-06 2025-09-06 Sedibeng (GSV) 5 1483.3 4 1.5 1277.7 -15.9 Details
23 GDE (D8) Sedibeng West Schools - Teams 2025 (U15) Standard 2025-08-16 2025-08-16 Sedibeng (GSV) 5 1465.4 4 3.5 1606.6 11.1 Details
24 South African Open 2025 (U16 Open) Classical 2025-07-03 2025-07-05 Johannesburg Metro (GJM) 5 1506.8 5 2.5 1291.6 -25.8 Details
25 LS Vryheidsmonument Chess Open 21 Jun 2025 (C) Standard 2025-06-21 2025-06-21 Sedibeng (GSV) 5 1515.6 5 3 1411.2 -10.6 Details
26 HS Driehoek Chess Open 2025 (C) Standard 2025-06-14 2025-06-14 Sedibeng (GSV) 5 1515.6 5 3.5 1579.9 5.6 Details
27 GDE (D8) Sedibeng West Schools Individuals 2025 (U15 Boys) Standard 2025-06-07 2025-06-07 Sedibeng (GSV) 5 1515.6 5 4 1485.1 -2 Details
28 Vaal Chess Club Blitz Open 31 May 2025 (A) Blitz 2025-05-31 2025-05-31 Sedibeng (GSV) 7 1515.6 7 4 1557.9 1.5 Details
29 Hoerskool Drie Riviere Open 08 March 2025 (C) Standard 2025-03-08 2025-03-08 Sedibeng (GSV) 5 1453.5 5 3 1461.5 1.5 Details
30 Laerskool Vaalpark Open 01 March 25 (C) Standard 2025-03-01 2025-03-01 Sedibeng (GSV) 5 1453.5 4 4 1851.8 31.2 Details
31 Laer Volkskool Open 15 Feb 2025 (C) Standard 2025-02-15 2025-02-15 Sedibeng (GSV) 5 1448.9 4 1 1239.6 -16.4 Details
32 Afrikaans High School Open 08 Feb 2025 (C) Standard 2025-02-08 2025-02-08 Sedibeng (GSV) 5 1448.9 5 4 1637.8 19.3 Details
33 Gauteng Inter-Region at UJ 2024 (U14 Open) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1476.6 5 1 1330.2 -17.3 Details
34 Queens Gambit Chess Open 2024 (C) Standard 2024-11-23 2024-11-23 Sedibeng (GSV) 5 1459.3 5 3 1483.3 1.5 Details
35 Fonteine Open 2024 (C) Standard 2024-10-19 2024-10-19 Sedibeng (GSV) 5 1379.1 5 4 1612.8 23.6 Details
36 NWU Vaal Chess Open 12 Oct 2024 (D) Standard 2024-10-12 2024-10-12 Sedibeng (GSV) 5 1379.1 5 4 1484.4 9.6 Details
37 Kings Gambit Chess Open 14 Sept 2024 (C) Standard 2024-09-14 2024-09-14 Sedibeng (GSV) 5 1392.1 5 2.5 1317.2 -8.1 Details
38 Eureka Open 27 July 2024 (F) Standard 2024-07-27 2024-07-27 Sedibeng (GSV) 5 1366.6 5 4 1522 15.9 Details
39 AG Visser Open 2024 (B) Standard 2024-06-08 2024-06-08 Sedibeng (GSV) 5 1391 4 1 1194.2 -15.3 Details
40 Vaalpark Primary Chess Open 2024 (B) Standard 2024-04-13 2024-04-13 Sedibeng (GSV) 5 1413 5 2.5 1154 -21.9 Details
41 HS Drie Riviere Chess Open Section 2024 Standard 2024-03-09 2024-03-09 Sedibeng (GSV) 5 1413 5 4 1501.7 8.1 Details
42 Valia's Open 2024 (C) Standard 2024-03-02 2024-03-02 Sedibeng (GSV) 5 1473.3 5 2 1173.5 -29.9 Details
43 NG Kerk Vanderbijlpark Suid 2024 (C) Standard 2024-02-24 2024-02-24 Sedibeng (GSV) 5 1473.3 5 4 1466.6 -1.2 Details
44 Laerskool Midvaal Chess Open Section 2024 (C) Standard 2024-02-10 2024-02-10 Sedibeng (GSV) 5 1473.3 5 3 1396 -6.8 Details
45 2024 Gauteng Inter-Region Chess Championship (U14B) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1496.8 5 3 1353.5 -14.6 Details
46 Queens Gambit Chess Open 2023 (D) Standard 2023-11-25 2023-11-25 Sedibeng (GSV) 5 1341.3 5 5 1785.3 44 Details
47 Evaton Primary Chess Open 2023 (E) Standard 2023-11-18 2023-11-18 Sedibeng (GSV) 5 1341.3 5 3 1324.9 -0.8 Details
48 NWU Vaal Open 2023 (D) Standard 2023-10-14 2023-10-14 Sedibeng (GSV) 5 1233 5 4 1571.7 33.9 Details
49 Dr Pieter Hangelbroek Rapid 2023 (C) Rapid 2023-10-28 2023-10-28 Sedibeng (GSV) 5 1233 5 3.5 1523.2 21 Details
50 Fonteine Chess Open 2023 (D) Standard 2023-09-02 2023-09-02 Sedibeng (GSV) 5 1224 5 3 1281.3 5 Details
Game statistics ( )
Games 15
Wins 7
Draws 4
Losses 4
White 8
Black 7
White wins 5
Black wins 2
Score 9
Percent 60
Dp 85
AOR 1437.1
Performance 1522.1
Game statistics ()
Games 82
Wins 43
Draws 7
Losses 32
White 41
Black 42
White wins 22
Black wins 22
Score 46.5
Percent 56.7
Dp 57
AOR 1425.9
Performance 1482.9
Game statistics (History)
Games 317
Wins 176
Draws 24
Losses 117
White 154
Black 164
White wins 86
Black wins 91
Score 188
Percent 59.3
Dp 79.1
AOR 1360.9
Performance 1440
Rankings (Main)
National
Overall 1935
Gender 1704
Age group 219
Gender/Age 179
Provincial
Overall 686
Gender 600
Age group 72
Gender/Age 56
Regional
Overall 61
Gender 56
Age group 6
Gender/Age 5
Rankings (Standard)
National
Overall 1550
Gender 1363
Age group 180
Gender/Age 148
Provincial
Overall 580
Gender 507
Age group 64
Gender/Age 48
Regional
Overall 50
Gender 47
Age group 3
Gender/Age 2
Rankings (Rapid)
National
Overall 992
Gender 858
Age group 157
Gender/Age 125
Provincial
Overall 198
Gender 167
Age group 27
Gender/Age 18
Regional
Overall 30
Gender 26
Age group 7
Gender/Age 5
Rankings (Blitz)
National
Overall 416
Gender 390
Age group 43
Gender/Age 39
Provincial
Overall 132
Gender 119
Age group 9
Gender/Age 8
Regional
Overall 9
Gender 9
Age group 1
Gender/Age 1
Performance ( )
Games 10
Score 5.5
Percent 55
Aor 1554.4
Dp 42.5
Prat 1596.9
Performance ()
Games 77
Score 43
Percent 55.8
Aor 1440.4
Dp 49.7
Prat 1490.1
Performance (12 months)
Games 98
Score 56
Percent 57.1
Aor 1450.9
Dp 60.7
Prat 1511.6
Performance (History)
Games 312
Score 184.5
Percent 59.1
Aor 1363.4
Dp 77.6
Prat 1441.1
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Campher, H (Hannah) 7 5 2 Hoerskool Drie Riviere Open 2023 (D) Laer Volkskool Chess Open 14 March 2026 (A) Details
Overall 2 Visser, M (Mila) 6 1 5 Lux Deo NG Kerk Chess Open 2022 (D) LS Fonteine Open 18 Oct 2025 (B+C) Details
Overall 3 Williams, A (Anika) 6 2 4 Fonteine Open 2024 (C) Fundraiser for Philip and Anika 09 May 2026 (A+B) Details
Overall 4 Van De Venter, ZI (Zandre) 6 2 4 VaalPark Primary Open Chess 2023 (C) HS Driehoek Chess Open 2025 (C) Details
Overall 5 Laage, U (Ulrich) 5 2 3 Afrikaans High School Open 08 Feb 2025 (C) South African Junior Closed Chess Championship 2026 (U16 Open) Details
Standard 1 Visser, M (Mila) 6 1 5 Lux Deo NG Kerk Chess Open 2022 (D) LS Fonteine Open 18 Oct 2025 (B+C) Details
Standard 2 Williams, A (Anika) 6 2 4 Fonteine Open 2024 (C) Fundraiser for Philip and Anika 09 May 2026 (A+B) Details
Standard 3 Laage, U (Ulrich) 5 2 3 Afrikaans High School Open 08 Feb 2025 (C) South African Junior Closed Chess Championship 2026 (U16 Open) Details
Standard 4 Campher, H (Hannah) 5 3 2 Hoerskool Drie Riviere Open 2023 (D) Laer Volkskool Chess Open 14 March 2026 (A) Details
Standard 5 Van Eyssen, AJ (Arend) 4 2 2 NG Kerk Vanderbijlpark Suid 2024 (C) Kings and Queens Chess Open 2026 (A) Details
Rapid 1 Ralebenya, L (Lebenya) 2 2 0 Checkmate for Change Rapid 2026 (C+D) D8 (Sedibeng West) Individuals League 2026 (U15 Boys) Details
Rapid 2 Brand, HVN (Hendrik van Niekerk (Henko)) 2 0 2 VaalPark Primary Open Chess 2023 (C) Dr Pieter Hangelbroek Rapid 2023 (C) Details
Rapid 3 Kalimashe, T (Tshireletso) 2 2 0 VaalPark Primary Open Chess 2023 (C) Checkmate the Cold Fundraiser 2026 (B) Details
Blitz 1 Campher, H (Hannah) 2 2 0 Vaal Chess Club Blitz Open 31 May 2025 (A) Chess-in-the-Vaal Academy Blitz Open 25 Oct 2025 (A) Details