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

PLAYER PAGE

Justin Rishworth

196032225
Tshwane (GTP)
Personal
Main rating
Rating 1674.3
K-factor 28
Floor 1103.3
Highest 1711.9 (2026-02-01)
Min/Max +/- allowed 80
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1662.3
Final +/- 0
New Rating
()
Rating 1674.3
K-factor 28
Floor 1103.3
Highest 1711.9 (2026-02-01)
Min/Max +/- allowed 80
Standard rating
Rating 1673.7
K-factor 28
Floor 1109.3
Highest 1720.9 (2026-02-01)
Min/Max +/- allowed 78.9
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1670.2
Final +/- 0
New Rating
()
Rating 1673.7
K-factor 28
Floor 1109.3
Highest 1720.9 (2026-02-01)
Min/Max +/- allowed 78.9
Rapid rating
Rating 1615.8
K-factor 28
Floor 1121.9
Highest 1633.9 (2023-12-01)
Min/Max +/- allowed 89.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1232.8
Final +/- 0
New Rating
()
Rating 1615.8
K-factor 28
Floor 1121.9
Highest 1633.9 (2023-12-01)
Min/Max +/- allowed 89.4
Blitz rating
Rating 1760.7
K-factor 24
Floor 1371.1
Highest 1871.1 (2024-05-01)
Min/Max +/- allowed 63.7
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1495.4
Final +/- 0
New Rating
()
Rating 1760.7
K-factor 24
Floor 1371.1
Highest 1871.1 (2024-05-01)
Min/Max +/- allowed 63.7
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 UCC Mind Over Board 2026 (A) Standard 2026-08-01 2026-08-01 Nelson Mandela Bay (ENM) 5 1674.3 5 3 1627.6 -7.6 Details
2 Chess Elevation Series - July 2026 (Level 5) Standard 2026-07-17 2026-07-18 Cape Town (WCT) 5 1616.2 5 4 1846.7 34.2 Details
3 2026 PECC Fast & Furious Blitz II Blitz 2026-05-28 2026-05-28 Nelson Mandela Bay (ENM) 7 1616.2 7 4 1689 2.8 Details
4 South African Open Championship 2026 (Advanced) Classical 2026-06-28 2026-07-05 Cape Town (WCT) 9 1616.2 9 5 1717.1 28.6 Details
5 Fountains Mall Open 2026 (Open) Standard 2026-05-16 2026-05-17 Sarah Baartman (ESB) 5 1652 5 3.5 1628.8 -4.4 Details
6 Moja Chess Extravaganza 2026 (B) Classical 2026-04-25 2026-04-30 Cape Town (WCT) 9 1652 9 3 1550.5 -31.4 Details
7 FIDE in the West 2026 (Open) Standard 2026-04-11 2026-04-11 West Rand (GWR) 5 1674.3 5 2.5 1510.6 -22.2 Details
8 2026 Lubowski Open Chess Tournament (B) Standard 2026-03-21 2026-03-22 Tshwane (GTP) 5 1665.8 5 3 1678.2 3.1 Details
9 2026 Chris Greyling Open Tournament (B) Standard 2026-03-14 2026-03-14 Tshwane (GTP) 5 1665.8 5 4 1798.6 19.3 Details
10 2026 Silver Lakes Open Chess Tournament (A) Standard 2026-03-07 2026-03-07 Tshwane (GTP) 5 1665.8 5 2 1715.4 5.6 Details
11 2026 Blou Bull Chess Tournament (A) Standard 2026-02-21 2026-02-21 Tshwane (GTP) 5 1665.8 4 1 1490.2 -19.2 Details
12 2026 AHS Chess Tournament (A) Standard 2026-02-28 2026-02-28 Tshwane (GTP) 5 1665.8 5 1.5 1510.7 -20.3 Details
13 SAJCCC ENM Players Fundraiser February 2026 (A) Standard 2026-02-14 2026-02-14 Nelson Mandela Bay (ENM) 5 1711.8 5 2 1568.8 -14.6 Details
14 Fide in the Bay 2026 (A) Standard 2026-01-24 2026-01-24 Nelson Mandela Bay (ENM) 5 1632.7 5 2.5 1702.8 2.9 Details
15 Centurion Chess Club Year End Blitz 2025 Blitz 2025-12-03 2025-12-03 Tshwane (GTP) 9 1523.7 9 5.5 1628.5 3.9 Details
16 Gauteng Inter-Region at Emerald Resort 2025 (Adults+Seniors) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1523.7 5 3.5 2032.7 45.9 Details
17 Bojanala's Merry ChessMas 2025 (Rooks) Standard 2025-11-29 2025-11-29 Bojanala Platina (NBR) 5 1523.7 5 3.5 1737.1 21.4 Details
18 2025 Laerskool Doringkloof Primary Open Chess Tournament (B) Standard 2025-10-25 2025-10-25 Tshwane (GTP) 5 1528.4 5 2.5 1560.5 2.3 Details
19 2025 Centurion Chess Open Tournament (B) Standard 2025-09-27 2025-09-27 Tshwane (GTP) 5 1531.2 5 2.5 1476.5 -4.6 Details
20 Tshwane Chess Club Clash 2025 (Prestige) Standard 2025-09-13 2025-09-13 Tshwane (GTP) 5 1531.2 5 1 1543.4 -1.8 Details
21 2025 Alekhine Open (B) Standard 2025-09-06 2025-09-07 Tshwane (GTP) 5 1531.2 5 1.5 1326.4 -21.8 Details
22 2025 Menlo Open (A) Standard 2025-07-26 2025-07-26 Tshwane (GTP) 5 1546.9 4 0.5 1338.2 -16.4 Details
23 2025 Wynie Robbertse Chess Tournament (B) Standard 2025-07-19 2025-07-19 Tshwane (GTP) 5 1546.9 5 3 1676.2 13.3 Details
24 South African Open 2025 (B) Classical 2025-06-28 2025-07-05 Johannesburg Metro (GJM) 11 1546.9 11 5.5 1502.5 -10.6 Details
25 South African Open 2025 (Blitz) Blitz 2025-07-02 2025-07-02 Johannesburg Metro (GJM) 9 1546.9 8 3 1506.5 -1.4 Details
26 2025 Jacaranda Round Robin Open Chess Tournament (C) Standard 2025-06-21 2025-06-21 Tshwane (GTP) 5 1524.4 5 3.5 1696.3 16.1 Details
27 NMBCU Closed 2025 (U20+Open) Standard 2025-06-13 2025-06-14 Nelson Mandela Bay (ENM) 6 1524.4 5 3 1540.4 0 Details
28 NMBCU Trial 4 2025 (U20+Open) Standard 2025-05-09 2025-05-10 Nelson Mandela Bay (ENM) 6 1574.7 6 4 1452.7 -13.9 Details
29 Moja Chess Extravaganza 2025 (C) Classical 2025-04-26 2025-05-01 Johannesburg Metro (GJM) 9 1574.7 8 3.5 1350.2 -42 Details
30 Moja Chess Extravaganza 2025 (Blitz) Blitz 2025-04-26 2025-04-26 Johannesburg Metro (GJM) 7 1574.7 7 3 1688.1 1.6 Details
31 2025 Silver Lakes Chess Club Open Chess Tournament (B) Standard 2025-05-03 2025-05-03 Tshwane (GTP) 5 1574.7 5 2 1438.2 -13.9 Details
32 Mpumalanga Open Chess Championship 2025 (A) Standard 2025-04-19 2025-04-19 Ehlanzeni (MEN) 5 1582.2 5 2.5 1583.9 0.9 Details
33 2025 Mid Gauteng Open Chess Tournament (B) Standard 2025-04-12 2025-04-12 Tshwane (GTP) 5 1582.2 5 2.5 1510.6 -6.3 Details
34 NMB 2nd Trials 2025 (U20+Adults) Standard 2025-03-07 2025-03-08 Nelson Mandela Bay (ENM) 6 1602.5 5 2.5 1442.2 -14.4 Details
35 NMBCH Trial 1 2025 (U20+Open) Standard 2025-02-14 2025-02-15 Nelson Mandela Bay (ENM) 5 1531.6 5 2.5 1561.4 3.3 Details
36 Pearson High Chess Festival 2025 (A) Standard 2025-02-21 2025-02-22 Nelson Mandela Bay (ENM) 5 1531.6 4 1.5 1629.5 7.1 Details
37 SBDCU Fundraiser 2025 (Open) Standard 2025-02-01 2025-02-01 Sarah Baartman (ESB) 5 1531.6 5 3 1769.4 22.7 Details
38 NMBCU vs BCC Derby Chess Invitational 2025 (Open A) Standard 2025-01-10 2025-01-11 Nelson Mandela Bay (ENM) 5 1505.2 5 4.5 1697.5 18.8 Details
39 NMBCU vs BCC Derby Chess Invitational 2025 (Blitz Open A) Blitz 2025-01-12 2025-01-12 Nelson Mandela Bay (ENM) 9 1505.2 9 6 1563.6 2.4 Details
40 SBD Activation Tournament 2025 (Open) Rapid 2025-01-04 2025-01-04 Sarah Baartman (ESB) 5 1505.2 5 3 1426.8 -4.7 Details
41 Jeffreys Bay CC Senior vs Aston Bay CC 2024 Rapid 2024-10-19 2024-10-19 Sarah Baartman (ESB) 7 1489.6 7 5.5 1623.7 9.8 Details
42 Mossel Bay Open 2024 (A) Standard 2024-09-21 2024-09-22 Eden (WEG) 6 1478 6 2.5 1440.6 -5.3 Details
43 2024 UCC Mind Over Board (A) Classical 2024-08-30 2024-09-01 Nelson Mandela Bay (ENM) 5 1478 5 3 1588.7 9.2 Details
44 NMBCU Trial 5 2024 (U20+Open) Standard 2024-08-16 2024-08-17 Nelson Mandela Bay (ENM) 6 1459.1 6 5 1556.7 11.8 Details
45 Karen Ashworth 2024 (A) Standard 2024-07-19 2024-07-20 Nelson Mandela Bay (ENM) 6 1558.6 6 3.5 1530.7 -3.2 Details
46 South African Open Chess Championship 2024 (B) Classical 2024-06-29 2024-07-07 Ethekwini (KED) 11 1558.6 11 4.5 1330.3 -59.6 Details
47 Jeffreys Bay Chess Club Challenge 2024 (Open) Rapid 2024-06-18 2024-06-18 Sarah Baartman (ESB) 6 1555.4 6 4 1596.8 2 Details
48 Jeffreys Bay CC Rapid Tournament 2024 Rapid 2024-06-13 2024-06-13 Sarah Baartman (ESB) 5 1555.4 5 4 1543.3 0 Details
49 Fountains Mall 2024 (Open) Standard 2024-05-17 2024-05-18 Sarah Baartman (ESB) 6 1539.1 5 2.5 1575.8 2.9 Details
50 NMBCU Trial 3 2024 (U20+Open) Standard 2024-05-10 2024-05-11 Nelson Mandela Bay (ENM) 6 1539.1 6 4 1475 -7.1 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 79
Wins 31
Draws 20
Losses 28
White 42
Black 37
White wins 17
Black wins 14
Score 41
Percent 51.9
Dp 16.1
AOR 1631.1
Performance 1647.3
Game statistics (History)
Games 525
Wins 265
Draws 75
Losses 185
White 267
Black 258
White wins 139
Black wins 126
Score 302.5
Percent 57.6
Dp 64.8
AOR 1473.1
Performance 1537.9
Rankings (Main)
National
Overall 670
Gender 626
Age group 346
Gender/Age 329
Provincial
Overall 250
Gender 233
Age group 135
Gender/Age 130
Regional
Overall 99
Gender 95
Age group 56
Gender/Age 55
Rankings (Standard)
National
Overall 629
Gender 591
Age group 312
Gender/Age 297
Provincial
Overall 242
Gender 227
Age group 128
Gender/Age 124
Regional
Overall 94
Gender 90
Age group 53
Gender/Age 52
Rankings (Rapid)
National
Overall 166
Gender 160
Age group 80
Gender/Age 79
Provincial
Overall 42
Gender 39
Age group 23
Gender/Age 23
Regional
Overall 12
Gender 11
Age group 7
Gender/Age 7
Rankings (Blitz)
National
Overall 61
Gender 60
Age group 42
Gender/Age 41
Provincial
Overall 21
Gender 21
Age group 15
Gender/Age 15
Regional
Overall 8
Gender 8
Age group 6
Gender/Age 6
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 79
Score 41
Percent 51.9
Aor 1631.1
Dp 16.1
Prat 1647.3
Performance (12 months)
Games 118
Score 61
Percent 51.7
Aor 1622.7
Dp 14.4
Prat 1637.1
Performance (History)
Games 525
Score 302.5
Percent 57.6
Aor 1473.1
Dp 64.8
Prat 1537.9
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Krieger, BCJ (Brian) 12 2 10 Jeffreys Bay Chess Club Blitz 21 November 2022 SBD Activation Tournament 2025 (Open) Details
Overall 2 Freeman, V (Vianco) 9 5 4 Nelson Mandela University Open Rapid Tournament 2018 Fide in the Bay 2026 (A) Details
Overall 3 Sibengile, Z (Zolani) 7 4 3 Kouga Mayarol Cup 2022 (Open) Fountains Mall 2024 (Open) Details
Overall 4 Moos, X (Xavier) 7 2 5 Kouga Mayarol Cup 2022 (Open) SBDCU Fundraiser 2025 (Open) Details
Overall 5 Salie, R (Riaz) 7 5 2 Jefreys Bay Chess Club Rapid 10 November 2022 Jeffreys Bay Chess Club Challenge 2024 (Open) Details
Standard 1 Lagardien, I (Ismaeel) 7 4 3 Ultimate Chess Open 2018 (A) SAJCCC ENM Players Fundraiser February 2026 (A) Details
Standard 2 Sibengile, Z (Zolani) 6 4 2 Kouga Mayarol Cup 2022 (Open) Fountains Mall 2024 (Open) Details
Standard 3 Freeman, V (Vianco) 6 4 2 2020 NMBCU Chess Trial 1 (U20+Open) Fide in the Bay 2026 (A) Details
Standard 4 Peter, NM (Neathan Mninawa) 5 1 4 SBDCU Fundraiser 2025 (Open) UCC Mind Over Board 2026 (A) Details
Standard 5 Nevin, TW (Tyler William) 4 3 1 Ultimate Chess Open 2018 (A) Fountains Mall Open 2026 (Open) Details
Rapid 1 Krieger, BCJ (Brian) 10 1 9 Jeffreys Bay Chess Club Rapid 24 November 2022 SBD Activation Tournament 2025 (Open) Details
Rapid 2 Stuurman, P (Pedro) 6 3 3 Jeffreys Bay Chess Club Rapid 17 November 2022 Jeffreys Bay CC December Rapid 1 2023 Details
Rapid 3 Salie, R (Riaz) 6 4 2 Jefreys Bay Chess Club Rapid 10 November 2022 Jeffreys Bay Chess Club Challenge 2024 (Open) Details
Rapid 4 Persent, G (Gavin) 6 3 3 Jeffreys Bay Chess Club Rapid 17 November 2022 Jeffreys Bay CC Senior vs Aston Bay CC 2024 Details
Rapid 5 Stuurman, C (Caydee) 5 4 1 Jefreys Bay Chess Club Rapid 10 November 2022 Jeffreys Bay CC Dec Rapid 2 2023 Details
Blitz 1 Malgas, GL (Glenwell Lesley) 2 0 2 PECC King Cars Grand Prix Second Leg 2019 Ulitmate Chess Open 2019 (Blitz A) Details