PLAYER PAGE

William Jones

107069948
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1805.4
K-factor 24
Floor 1339.8
Highest 1839.8 (2024-09-01)
Min/Max +/- allowed 67
Rating Change
()
Games 17
Score 11
We 10.54
SWe 0.37
Temp +/- 9
Penalties 0
Weight perform 1708.4
Final +/- +9
New Rating
()
Rating 1814.4
K-factor 24
Floor 1339.8
Highest 1839.8 (2024-09-01)
Min/Max +/- allowed 66.6
Standard rating
Rating 1821.1
K-factor 24
Floor 1364.6
Highest 1872.7 (2024-08-01)
Min/Max +/- allowed 63.6
Rating Change
()
Games 8
Score 5
We 4.8
SWe 0.2
Temp +/- 4.9
Penalties 0
Weight perform 1712
Final +/- +4.9
New Rating
()
Rating 1825.9
K-factor 24
Floor 1364.6
Highest 1872.7 (2024-08-01)
Min/Max +/- allowed 63.6
Rapid rating
Rating 1655.4
K-factor 28
Floor 1155.4
Highest 1655.4 (2025-03-01)
Min/Max +/- allowed 86.7
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1655.4
K-factor 28
Floor 1155.4
Highest 1655.4 (2025-03-01)
Min/Max +/- allowed 86.7
Blitz rating
Rating 1435.1
K-factor 32
Floor 935.1
Highest 1462.8 (2022-12-01)
Min/Max +/- allowed 114
Rating Change
()
Games 9
Score 6
We 5.61
SWe 0.39
Temp +/- 12.4
Penalties 0
Weight perform 1530.6
Final +/- +95.5
New Rating
()
Rating 1530.6
K-factor 32
Floor 1030.6
Highest 1530.6 (2026-04-01)
Min/Max +/- allowed 103.5
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 South African Junior Closed Chess Championship 2026 (U20 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1805.4 8 5 1842.6 8.6 Details
2 South African Junior Closed Chess Championship 2026 (Blitz) Blitz 2026-03-31 2026-03-31 Bojanala Platina (NBR) 9 1805.4 9 6 1817.6 0.4 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 MCA Tshwane Welcome 2026 (A) Standard 2026-01-24 2026-01-24 Tshwane (GTP) 5 1805.7 4 1.5 1813.8 0.3 Details
2 South African Junior Closed Chess Championships 2025 (U18 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1815.9 9 4.5 1669.7 -29.8 Details
3 JMC Crawford Ruimsig 2025 (A) Standard 2025-03-01 2025-03-01 Johannesburg Metro (GJM) 5 1808 5 3 1881.8 6.5 Details
4 JMC Rapid The Bridge School 2025 (Open) Rapid 2025-02-23 2025-02-23 Johannesburg Metro (GJM) 7 1787.3 7 5 1952.2 10.8 Details
5 2025 Blou Bul Open Chess Tournament (A) Standard 2025-02-08 2025-02-08 Tshwane (GTP) 5 1787.3 5 2 1848.1 6.5 Details
6 2025 Tshwane Chess OPEN Registration Tournament (A1) Standard 2025-01-25 2025-01-25 Tshwane (GTP) 5 1813.2 5 2.5 1597.4 -21.6 Details
7 Gauteng Inter-Region at UJ 2024 (U18 Open) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1812.5 5 4 1819.8 0.6 Details
8 JCC Khelo India 1st Annual Chess Tournament 2024 (Pestige) Standard 2024-08-31 2024-08-31 Johannesburg Metro (GJM) 5 1839.8 4 0 1548.9 -22.7 Details
9 2024 Jacaranda Round Robin Open Chess Tournament (A) Standard 2024-08-17 2024-08-17 Tshwane (GTP) 5 1828.1 5 3 1853.9 1.8 Details
10 JMC Closed 2024 (A) Standard 2024-08-09 2024-08-11 Johannesburg Metro (GJM) 5 1828.1 5 3 1893.6 7.9 Details
11 Helpmekaar Kollege Blitz Chess Invitational 2024 (A) Blitz 2024-07-27 2024-07-27 Johannesburg Metro (GJM) 9 1831 9 7.5 1690.9 -2.4 Details
12 2024 Tshwane Chess FIDE RATED Blitz League Championship 2 Blitz 2024-06-23 2024-06-23 Tshwane (GTP) 9 1835.2 9 6.5 1782.1 -0.4 Details
13 2024 Tshwane Chess FIDE RATED Blitz League Championship 1 Blitz 2024-05-26 2024-05-26 Tshwane (GTP) 9 1835.2 9 6 1747.4 -3.1 Details
14 South African Junior Closed Chess Championship 2024 (U18 Open) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1808.8 9 5 1909.5 22.2 Details
15 JMC Helpmekaar Kollege Tournament 2024 (A) Standard 2024-05-04 2024-05-04 Johannesburg Metro (GJM) 5 1808.8 5 2 1814.7 -0.2 Details
16 2024 Silver Lakes Open Chess Tournament (Prestige) Standard 2024-04-20 2024-04-20 Tshwane (GTP) 5 1820 5 3 1955.7 14.1 Details
17 2024 KSNG CHess Academy Open Tournament (Prestige) Standard 2024-04-06 2024-04-06 Tshwane (GTP) 5 1820 5 1 1589.2 -23.4 Details
18 2024 Chris Greyling Open Chess Tournament (A) Standard 2024-03-16 2024-03-16 Tshwane (GTP) 5 1743.9 5 4 1886.8 14.8 Details
19 JMC Unika School Tournament 2024 (A) Standard 2024-03-02 2024-03-02 Johannesburg Metro (GJM) 5 1743.9 4 1.5 1901.1 10.1 Details
20 2024 Tshwane Chess OPEN Registration Tournament (A) Standard 2024-01-27 2024-01-27 Tshwane (GTP) 5 1724.1 5 3.5 1738 2.2 Details
21 2024 Gauteng Inter-Region Chess Championship (U18A) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1724.1 5 4 1838.3 12 Details
22 2023 Moja Chess Extravaganza (Prestige) Classical 2023-09-30 2023-10-04 Frances Baard (NCF) 9 1683.7 9 4.5 1828.6 31.2 Details
23 2023 Moja Chess Extravaganza (Blitz) Blitz 2023-10-03 2023-10-03 Frances Baard (NCF) 7 1683.7 7 3 1542.2 -4.2 Details
24 2023 Alekhine Open Tournament (Prestige) Standard 2023-09-09 2023-09-10 Tshwane (GTP) 5 1689.3 5 2.5 1699.3 1.9 Details
25 Helpmekaar Kollege Blitz Chess Invitational Sep 2023 Blitz 2023-09-16 2023-09-16 Johannesburg Metro (GJM) 9 1689.3 8 6 1501.3 -5.8 Details
26 Pacaltsdorp Chess Club Open 2023 (A) Rapid 2023-08-26 2023-08-26 Eden (WEG) 6 1588.9 6 5 1794.8 17.6 Details
27 2023 Jacaranda Round Robin (B) Standard 2023-08-12 2023-08-12 Tshwane (GTP) 5 1588.9 5 3.5 1847.5 25.9 Details
28 JMC Closed Aug 2023 (U18+U20) Standard 2023-08-04 2023-08-06 Johannesburg Metro (GJM) 6 1588.9 5 5 1904.3 35.6 Details
29 JMC Trinity Little Falls 2023 (A) Standard 2023-07-02 2023-07-02 Johannesburg Metro (GJM) 5 1608.4 4 0.5 1432.1 -13.9 Details
30 JNW Open - Trinityhouse Little Falls 2023 (A) Standard 2023-06-24 2023-06-24 Johannesburg Metro (GJM) 5 1625.4 5 1.5 1508.8 -12.1 Details
31 JNW Open - Trinityhouse Little Falls 2023 (A) Standard 2023-05-13 2023-05-13 Johannesburg Metro (GJM) 5 1614.5 4 2 1715.7 7.8 Details
32 World School Chess Championships 2023 Classical 2023-04-14 2023-04-22 Greece (GRE) 9 1615.1 9 3 1366.8 -48 Details
33 2023 South African Junior Closed Chess Championships (U16 Open) Classical 2023-03-31 2023-04-04 Chess South Africa (CSA) 9 1615.1 9 6.5 1835 47.4 Details
34 Randburg New Year Swiss 2023 Standard 2023-01-31 2023-03-14 Johannesburg Metro (GJM) 7 1604.1 7 4.5 1646.2 7.5 Details
35 Ekhuruleni Chess Trials 1 2023 (Open) Standard 2023-03-25 2023-03-25 Ekurhuleni (GE) 5 1604.1 5 3.5 1582.3 0.5 Details
36 2023 Piet Robbertse Fide Rated Open Chess Tournament (A) Standard 2023-02-04 2023-02-05 Tshwane (GTP) 5 1614.1 5 1.5 1544.3 -7.1 Details
37 2023 Tshwane Chess Open Registration Tournament (A) Standard 2023-01-28 2023-01-28 Tshwane (GTP) 5 1629 5 1.5 1511.8 -10.8 Details
38 2022 South African Junior Team Chess Championships (U16 Open) Classical 2022-12-04 2022-12-08 4 Knights (4K) 7 1580.6 7 6 1727.2 25.2 Details
39 2022 South Africa Junior Blitz Chess Championships (U16+U18) Blitz 2022-12-05 2022-12-05 4 Knights (4K) 7 1580.6 7 4.5 1766.4 5.1 Details
40 2022 Wynie Robbertse Open (A) Standard 2022-10-08 2022-10-08 Tshwane (GTP) 5 1594.7 5 1.5 1499 -8.8 Details
41 JMC 3rd Trials 2022 (A) Standard 2022-09-11 2022-09-11 Johannesburg Metro (GJM) 5 1567.6 5 2.5 1672.7 8.3 Details
42 2022 Alekhine Open (A) Standard 2022-08-13 2022-08-14 Tshwane (GTP) 5 1572.3 5 2 1617.4 4.1 Details
43 JMC Womens Day 2022 (FIDE Open) Classical 2022-08-06 2022-08-09 Johannesburg Metro (GJM) 6 1572.3 5 2 1515.5 -7.6 Details
44 JMC Blitz Open 8 August 2022 (A) Blitz 2022-08-08 2022-08-08 Johannesburg Metro (GJM) 9 1572.3 9 5 1527.7 0.2 Details
45 2022 Jacaranda Round Robin (B) Standard 2022-07-30 2022-07-30 Tshwane (GTP) 5 1538 5 3.5 1697.1 14.9 Details
46 JNW Helpmekaar 2022 (Masters) Standard 2022-07-09 2022-07-09 Johannesburg Metro (GJM) 5 1538 5 1.5 1466.7 -12.3 Details
47 JMC Trials 1 - Laerskool Fontainebleau 2022 (U16+U18) Standard 2022-07-24 2022-07-24 Johannesburg Metro (GJM) 5 1538 5 4 1502.3 -0.3 Details
48 2022 Blou Bul Open (A) Standard 2022-06-25 2022-06-26 Tshwane (GTP) 5 1516 5 2.5 1649.5 13.9 Details
49 2022 Mid Gauteng Open (A) Standard 2022-05-07 2022-05-07 Tshwane (GTP) 5 1511.8 5 2 1534.1 2.8 Details
50 South African Junior Closed Chess Championships 2022 (U16 Open) Classical 2022-03-28 2022-04-02 Chess South Africa (CSA) 11 1511.2 11 5.5 1511.1 0.8 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 21
Wins 11
Draws 3
Losses 7
White 11
Black 10
White wins 6
Black wins 5
Score 12.5
Percent 59.5
Dp 81
AOR 1745.4
Performance 1826.4
Game statistics (History)
Games 586
Wins 297
Draws 84
Losses 205
White 287
Black 299
White wins 152
Black wins 145
Score 339
Percent 57.8
Dp 66.7
AOR 1445.6
Performance 1512.3
Rankings (Main)
National
Overall 234
Gender 223
Age group 25
Gender/Age 22
Provincial
Overall 91
Gender 86
Age group 6
Gender/Age 5
Regional
Overall 37
Gender 33
Age group 3
Gender/Age 2
Rankings (Standard)
National
Overall 211
Gender 202
Age group 25
Gender/Age 22
Provincial
Overall 79
Gender 75
Age group 6
Gender/Age 5
Regional
Overall 32
Gender 29
Age group 3
Gender/Age 2
Rankings (Rapid)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Rankings (Blitz)
National
Overall 154
Gender 150
Age group 19
Gender/Age 18
Provincial
Overall 53
Gender 52
Age group 5
Gender/Age 4
Regional
Overall 29
Gender 28
Age group 3
Gender/Age 2
Performance ( )
Games 8
Score 5
Percent 62.5
Aor 1736.3
Dp 106.2
Prat 1842.5
Performance ()
Games 21
Score 12.5
Percent 59.5
Aor 1745.4
Dp 81
Prat 1826.4
Performance (12 months)
Games 21
Score 12.5
Percent 59.5
Aor 1745.4
Dp 81
Prat 1826.4
Performance (History)
Games 586
Score 339
Percent 57.8
Aor 1445.6
Dp 66.7
Prat 1512.3
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Potgieter, E (Edward) 10 4 6 JNW Club - Unika Scholar 2018 (Open) Helpmekaar Kollege Blitz Chess Invitational 2024 (A) Details
Overall 2 Jacobs, CN (Calvin Nicholas) 8 4 4 2018 Centurion Chess Club Open (C) JMC Rapid The Bridge School 2025 (Open) Details
Overall 3 Price, DR (Daelen Rowan) 7 3 4 Ekurhuleni Trials 1 2019 (U14) 2023 South African Junior Closed Chess Championships (U16 Open) Details
Overall 4 Simpson, M (Michael) 6 2 4 Inter Region GE vs JHB Metro 2018 (U12A) 2025 Blou Bul Open Chess Tournament (A) Details
Overall 5 Jones, E (Edward) 6 2 4 The Outpost Chess Club Open 2018 (B) JMC Rapid The Bridge School 2025 (Open) Details
Standard 1 Potgieter, E (Edward) 8 4 4 JNW Club - Unika Scholar 2018 (Open) JMC Trinity Little Falls 2023 (A) Details
Standard 2 Jacobs, CN (Calvin Nicholas) 7 3 4 2018 Centurion Chess Club Open (C) JCC Khelo India 1st Annual Chess Tournament 2024 (Pestige) Details
Standard 3 Price, DR (Daelen Rowan) 7 3 4 Ekurhuleni Trials 1 2019 (U14) 2023 South African Junior Closed Chess Championships (U16 Open) Details
Standard 4 Kruger, N (Neeke) 6 4 2 2023 South African Junior Closed Chess Championships (U16 Open) South African Junior Closed Chess Championships 2025 (U18 Open) Details
Standard 5 Simpson, M (Michael) 5 2 3 Inter Region GE vs JHB Metro 2018 (U12A) 2025 Blou Bul Open Chess Tournament (A) Details
Blitz 1 Mkotong, B (Boipelo) 2 2 0 2024 Tshwane Chess FIDE RATED Blitz League Championship 1 2024 Tshwane Chess FIDE RATED Blitz League Championship 2 Details
Blitz 2 Kajee, C (Caleb) 2 0 2 Helpmekaar Kollege Blitz Chess Invitational Sep 2023 Helpmekaar Kollege Blitz Chess Invitational 2024 (A) Details
Blitz 3 Potgieter, E (Edward) 2 0 2 Helpmekaar Kollege Blitz Chess Invitational Sep 2023 Helpmekaar Kollege Blitz Chess Invitational 2024 (A) Details
Blitz 4 Mabusela, JM (Johannes Manyedi) 2 2 0 2024 Tshwane Chess FIDE RATED Blitz League Championship 1 2024 Tshwane Chess FIDE RATED Blitz League Championship 2 Details