Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Justin Rishworth

196032225
Tshwane (GTP)
Personal
Main rating
Rating 1616.2
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 1581.6
Final +/- 0
New Rating
()
Rating 1616.2
K-factor 28
Floor 1103.3
Highest 1711.9 (2026-02-01)
Min/Max +/- allowed 80
Standard rating
Rating 1605.9
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 1581.6
Final +/- 0
New Rating
()
Rating 1605.9
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 1270.8
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 1809.4
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 1426.5
Final +/- 0
New Rating
()
Rating 1809.4
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 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
2 Moja Chess Extravaganza 2026 (B) Classical 2026-04-25 2026-04-30 Cape Town (WCT) 9 1652 9 3 1550.5 -31.4 Details
3 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
4 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
5 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
6 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
7 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
8 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
9 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
10 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
11 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
12 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
13 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
14 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
15 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
16 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
17 2025 Alekhine Open (B) Standard 2025-09-06 2025-09-07 Tshwane (GTP) 5 1531.2 5 1.5 1326.4 -21.8 Details
18 2025 Menlo Open (A) Standard 2025-07-26 2025-07-26 Tshwane (GTP) 5 1546.9 4 0.5 1338.2 -16.4 Details
19 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
20 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
21 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
22 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
23 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
24 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
25 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
26 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
27 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
28 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
29 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
30 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
31 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
32 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
33 SBDCU Fundraiser 2025 (Open) Standard 2025-02-01 2025-02-01 Sarah Baartman (ESB) 5 1531.6 5 3 1769.4 22.7 Details
34 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
35 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
36 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
37 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
38 Mossel Bay Open 2024 (A) Standard 2024-09-21 2024-09-22 Eden (WEG) 6 1478 6 2.5 1440.6 -5.3 Details
39 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
40 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
41 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
42 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
43 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
44 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
45 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
46 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
47 NMBCU Trials 2 2024 (U20+Open) Standard 2024-04-12 2024-04-13 Nelson Mandela Bay (ENM) 6 1483.2 4 3.5 1775.6 22.9 Details
48 UCC Strategic Moves 2024 (A) Standard 2024-03-08 2024-03-09 Nelson Mandela Bay (ENM) 5 1477.5 5 3 1521.1 3.6 Details
49 2024 Tshwane Chess AHS Open Chess Tournament (A) Standard 2024-02-24 2024-02-24 Tshwane (GTP) 5 1510.5 5 1.5 1489.6 -1.5 Details
50 2024 Piet Robbertse Open Chess Tournament (A) Standard 2024-02-03 2024-02-04 Tshwane (GTP) 5 1510.5 4 1 1492.7 -0.2 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 53
Wins 19
Draws 12
Losses 22
White 28
Black 25
White wins 11
Black wins 8
Score 25
Percent 47.2
Dp -24.1
AOR 1637
Performance 1612.9
Game statistics (History)
Games 499
Wins 253
Draws 67
Losses 179
White 253
Black 246
White wins 133
Black wins 120
Score 286.5
Percent 57.4
Dp 63
AOR 1465.5
Performance 1528.5
Rankings (Main)
National
Overall 955
Gender 882
Age group 461
Gender/Age 439
Provincial
Overall 338
Gender 309
Age group 165
Gender/Age 157
Regional
Overall 123
Gender 117
Age group 67
Gender/Age 65
Rankings (Standard)
National
Overall 932
Gender 855
Age group 420
Gender/Age 400
Provincial
Overall 336
Gender 305
Age group 153
Gender/Age 146
Regional
Overall 122
Gender 114
Age group 62
Gender/Age 60
Rankings (Rapid)
National
Overall 149
Gender 147
Age group 77
Gender/Age 77
Provincial
Overall 38
Gender 37
Age group 22
Gender/Age 22
Regional
Overall 8
Gender 8
Age group 4
Gender/Age 4
Rankings (Blitz)
National
Overall 55
Gender 54
Age group 39
Gender/Age 38
Provincial
Overall 21
Gender 21
Age group 14
Gender/Age 14
Regional
Overall 9
Gender 9
Age group 6
Gender/Age 6
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 53
Score 25
Percent 47.2
Aor 1637
Dp -24.1
Prat 1612.9
Performance (12 months)
Games 130
Score 63.5
Percent 48.8
Aor 1602.3
Dp -9.8
Prat 1592.5
Performance (History)
Games 499
Score 286.5
Percent 57.4
Aor 1465.5
Dp 63
Prat 1528.5
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 Salie, R (Riaz) 7 5 2 Jefreys Bay Chess Club Rapid 10 November 2022 Jeffreys Bay Chess Club Challenge 2024 (Open) Details
Overall 5 Lagardien, I (Ismaeel) 7 4 3 Ultimate Chess Open 2018 (A) SAJCCC ENM Players Fundraiser February 2026 (A) Details
Standard 1 Lagardien, I (Ismaeel) 7 4 3 Ultimate Chess Open 2018 (A) SAJCCC ENM Players Fundraiser February 2026 (A) Details
Standard 2 Freeman, V (Vianco) 6 4 2 2020 NMBCU Chess Trial 1 (U20+Open) Fide in the Bay 2026 (A) Details
Standard 3 Sibengile, Z (Zolani) 6 4 2 Kouga Mayarol Cup 2022 (Open) Fountains Mall 2024 (Open) Details
Standard 4 Moos, X (Xavier) 4 1 3 Kouga Mayarol Cup 2022 (Open) SBDCU Fundraiser 2025 (Open) 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