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 5
Score 2.5
We 3.46
SWe -0.79
Temp +/- -22.2
Penalties 0
Weight perform 1626.2
Final +/- -22.2
New Rating
()
Rating 1652
K-factor 28
Floor 1103.3
Highest 1711.9 (2026-02-01)
Min/Max +/- allowed 80
Standard rating
Rating 1659.2
K-factor 28
Floor 1109.3
Highest 1720.9 (2026-02-01)
Min/Max +/- allowed 78.9
Rating Change
()
Games 5
Score 2.5
We 3.16
SWe -0.66
Temp +/- -18.4
Penalties 0
Weight perform 1626.2
Final +/- -18.4
New Rating
()
Rating 1640.8
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 1290.6
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 1447
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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 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
2 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
3 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
4 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
5 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
6 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
7 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
8 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
9 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
10 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
11 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
12 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
13 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
14 2025 Alekhine Open (B) Standard 2025-09-06 2025-09-07 Tshwane (GTP) 5 1531.2 5 1.5 1326.4 -21.8 Details
15 2025 Menlo Open (A) Standard 2025-07-26 2025-07-26 Tshwane (GTP) 5 1546.9 4 0.5 1338.2 -16.4 Details
16 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
17 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
18 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
19 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
20 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
21 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
22 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
23 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
24 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
25 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
26 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
27 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
28 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
29 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
30 SBDCU Fundraiser 2025 (Open) Standard 2025-02-01 2025-02-01 Sarah Baartman (ESB) 5 1531.6 5 3 1769.4 22.7 Details
31 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
32 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
33 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
34 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
35 Mossel Bay Open 2024 (A) Standard 2024-09-21 2024-09-22 Eden (WEG) 6 1478 6 2.5 1440.6 -5.3 Details
36 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
37 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
38 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
39 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
40 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
41 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
42 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
43 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
44 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
45 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
46 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
47 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
48 2024 Blou Bul Open Chess Tournament (A) Standard 2024-02-10 2024-02-10 Tshwane (GTP) 5 1510.5 4 0.5 1273.1 -18.6 Details
49 2024 Tshwane Chess OPEN Registration Tournament (A) Standard 2024-01-27 2024-01-27 Tshwane (GTP) 5 1542.6 5 0.5 1329.5 -20.1 Details
50 Jeffreys Bay CC Dec Rapid 2 2023 Rapid 2023-12-07 2023-12-07 Sarah Baartman (ESB) 5 1524.5 5 4 1599.4 2.7 Details
Game statistics ( )
Games 5
Wins 2
Draws 1
Losses 2
White 3
Black 2
White wins 2
Black wins 0
Score 2.5
Percent 50
Dp 0
AOR 1510.6
Performance 1510.6
Game statistics ()
Games 39
Wins 15
Draws 7
Losses 17
White 20
Black 19
White wins 9
Black wins 6
Score 18.5
Percent 47.4
Dp -21.8
AOR 1647.1
Performance 1625.3
Game statistics (History)
Games 485
Wins 249
Draws 62
Losses 174
White 245
Black 240
White wins 131
Black wins 118
Score 280
Percent 57.7
Dp 65.7
AOR 1461.4
Performance 1527.1
Rankings (Main)
National
Overall 596
Gender 560
Age group 329
Gender/Age 315
Provincial
Overall 222
Gender 206
Age group 124
Gender/Age 119
Regional
Overall 90
Gender 86
Age group 50
Gender/Age 49
Rankings (Standard)
National
Overall 641
Gender 598
Age group 335
Gender/Age 319
Provincial
Overall 244
Gender 226
Age group 128
Gender/Age 123
Regional
Overall 102
Gender 97
Age group 55
Gender/Age 54
Rankings (Rapid)
National
Overall 143
Gender 142
Age group 75
Gender/Age 75
Provincial
Overall 35
Gender 35
Age group 21
Gender/Age 21
Regional
Overall 10
Gender 10
Age group 4
Gender/Age 4
Rankings (Blitz)
National
Overall 43
Gender 43
Age group 31
Gender/Age 31
Provincial
Overall 15
Gender 15
Age group 11
Gender/Age 11
Regional
Overall 6
Gender 6
Age group 4
Gender/Age 4
Performance ( )
Games 5
Score 2.5
Percent 50
Aor 1510.6
Dp 0
Prat 1510.6
Performance ()
Games 39
Score 18.5
Percent 47.4
Aor 1647.1
Dp -21.8
Prat 1625.3
Performance (12 months)
Games 142
Score 69.5
Percent 48.9
Aor 1582.6
Dp -9
Prat 1573.6
Performance (History)
Games 485
Score 280
Percent 57.7
Aor 1461.4
Dp 65.7
Prat 1527.1
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 Lagardien, I (Ismaeel) 7 4 3 Ultimate Chess Open 2018 (A) SAJCCC ENM Players Fundraiser February 2026 (A) 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 Moos, X (Xavier) 4 1 3 Kouga Mayarol Cup 2022 (Open) SBDCU Fundraiser 2025 (Open) Details
Standard 5 Peter, NM (Neathan Mninawa) 4 0 4 SBDCU Fundraiser 2025 (Open) NMBCU Closed 2025 (U20+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 Salie, R (Riaz) 6 4 2 Jefreys Bay Chess Club Rapid 10 November 2022 Jeffreys Bay Chess Club Challenge 2024 (Open) Details
Rapid 3 Stuurman, P (Pedro) 6 3 3 Jeffreys Bay Chess Club Rapid 17 November 2022 Jeffreys Bay CC December Rapid 1 2023 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