PLAYER PAGE

William Stephen Liebenberg

1120109194
Ekurhuleni (GE)
Personal
Main rating
Rating 1398.4
K-factor 36
Floor 898.4
Highest 1398.4 (2026-07-01)
Min/Max +/- allowed 125
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1351.9
Final +/- 0
New Rating
()
Rating 1398.4
K-factor 36
Floor 898.4
Highest 1398.4 (2026-07-01)
Min/Max +/- allowed 125
Standard rating
Rating 1388.7
K-factor 36
Floor 878
Highest 1392.9 (2023-07-01)
Min/Max +/- allowed 126
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1346.2
Final +/- 0
New Rating
()
Rating 1388.7
K-factor 36
Floor 878
Highest 1392.9 (2023-07-01)
Min/Max +/- allowed 126
Rapid rating
Rating 1288.9
K-factor 36
Floor 736
Highest 1416.4 (2024-03-01)
Min/Max +/- allowed 121.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1288.9
K-factor 36
Floor 736
Highest 1416.4 (2024-03-01)
Min/Max +/- allowed 121.8
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
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 Ekurhuleni 2nd Trial 2026 (C) Standard 2026-06-20 2026-06-20 Ekurhuleni (GE) 5 1368.1 5 2.5 1264.3 -10.6 Details
2 Benoni Cluster Team 2026 (U15) Rapid 2026-05-23 2026-05-23 Ekurhuleni (GE) 5 1368.1 5 4 1487.3 16.3 Details
3 Benoni Cluster Individuals 2026 (U15 Boys) Standard 2026-04-25 2026-04-25 Ekurhuleni (GE) 5 1368.1 5 4 1499 24.5 Details
4 Ekurhuleni North District Individuals 2026 (U15 Boys) Standard 2026-05-09 2026-05-09 Ekurhuleni (GE) 5 1346.2 5 3 1464.2 21.9 Details
5 Ekurhuleni North Schools Teams 2025 (U13 Open) Standard 2025-08-16 2025-08-16 Ekurhuleni (GE) 5 1358.5 5 3 1381.7 1.7 Details
6 Benoni Primary School Cluster Teams 2025 (U13A) Rapid 2025-08-02 2025-08-02 Ekurhuleni (GE) 7 1358.5 6 3 1270.2 -8.5 Details
7 Ekurhuleni North School District Finals 2025 (U13 Boys) Standard 2025-06-14 2025-06-14 Ekurhuleni (GE) 5 1337.2 4 3 1487.7 11.8 Details
8 Benoni Primary School Cluster 12 April 2025 (U13 Open) Standard 2025-04-12 2025-04-12 Ekurhuleni (GE) 5 1308.3 5 4 1464.6 16.1 Details
9 CPH Primrose Open 2025 (C) Standard 2025-02-08 2025-02-08 Ekurhuleni (GE) 5 1307.7 5 0 890 -41.5 Details
10 Ekurhuleni Trails 1 2024 (U14) Standard 2024-06-01 2024-06-01 Ekurhuleni (GE) 5 1320.5 5 2 1109.4 -20 Details
11 Benoni Primary School Cluster Individuals 2024 (U13 Boys) Rapid 2024-03-09 2024-03-09 Ekurhuleni (GE) 5 1310.1 4 3 1412.5 5.8 Details
12 2024 Gauteng Inter-Region Chess Championship (U12B) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1374.7 4 0 969.1 -35.8 Details
13 2023 Gauteng Top Schools (U11 Mixed) Standard 2023-08-18 2023-08-18 West Rand (GWR) 5 1380.1 5 3 1303.9 -8 Details
14 2023 Ekurhuleni North District Schools Finals (U11) Standard 2023-07-29 2023-07-29 Ekurhuleni (GE) 5 1284.1 5 4.5 1573.2 27.6 Details
15 Gauteng Schools Individual Finals 2023 (U11 Boys) Standard 2023-05-26 2023-05-26 Ekurhuleni (GE) 5 1168.8 5 3 1334.2 15.4 Details
16 Ekurhuleni North Schools Individual Finals 2023 (U11 Boys) Standard 2023-05-12 2023-05-12 Ekurhuleni (GE) 5 1168.8 5 4 1473.1 28.9 Details
17 Ekurhuleni Trials 2 2023 (U12) Standard 2023-04-22 2023-04-22 Ekurhuleni (GE) 5 1146.6 5 3 1268 11.1 Details
18 Ekhuruleni Chess Trials 1 2023 (U12) Standard 2023-03-25 2023-03-25 Ekurhuleni (GE) 5 1198.7 5 1 924.9 -26.1 Details
19 Ekurhuleni-North Schools Teams 2022 (U11) Standard 2022-08-06 2022-08-06 Ekurhuleni (GE) 5 1165.5 5 3 1329.1 16.6 Details
20 Ekurhuleni Trials 1 2022 (U12) Standard 2022-04-23 2022-04-23 Ekurhuleni (GE) 5 1100.4 5 2.5 1244.9 13.4 Details
21 ACB Premier 2022 (Primary School) Standard 2022-03-19 2022-03-19 Ekurhuleni (GE) 5 1026.9 5 3 1264.3 20.9 Details
22 2022 Gauteng Interregion (U10 Open) Standard 2022-02-26 2022-02-26 Tshwane (GTP) 5 1017.9 5 1.5 1059.5 4.5 Details
23 Ekurhuleni Chess Open 2022 (D) Standard 2022-01-08 2022-01-09 Ekurhuleni (GE) 7 989.7 7 3 1097 13.8 Details
24 Ekurhuleni Trials (3) Standard 2021-11-06 2021-11-06 Ekurhuleni (GE) 5 954.8 5 2.5 1142.1 17.6 Details
25 Alberton Chess Club Open 2020 (E) Standard 2020-02-22 2020-02-22 Ekurhuleni (GE) 5 969.1 5 1 890.7 -7.1 Details
26 Springs Chess Club Open 2020 (D) Standard 2020-01-25 2020-01-25 Ekurhuleni (GE) 5 1024.8 5 2 1107.4 7.1 Details
27 2019 South African Junior Team Championships (U8B+U8Girls) Classical 2020-01-04 2020-01-08 4 Knights (4K) 7 1024.8 6 0 778.3 -35 Details
28 GJM vs GE Inter Region 2019 (U8) Standard 2019-10-05 2019-10-05 Johannesburg Metro (GJM) 5 1046.7 5 1.5 1009 -4.5 Details
29 GE vs GSV Inter Regional 2019 (U8) Standard 2019-10-26 2019-10-26 Ekurhuleni (GE) 5 1046.7 5 2 988.2 -6.5 Details
30 Ekurhuleni Grand Prix 2019 (D) Standard 2019-09-14 2019-09-14 Ekurhuleni (GE) 5 1074.6 5 1 928.1 -13.8 Details
31 Springs Open 2019 (D) Standard 2019-08-31 2019-08-31 Ekurhuleni (GE) 5 1070.3 5 2 1086.7 2.2 Details
32 Boksburg Chess Club Open 2019 (D) Standard 2019-07-13 2019-07-13 Ekurhuleni (GE) 5 1135 4 0 721.5 -32.4 Details
33 Ekurhuleni Trials (3) Standard 2019-06-08 2019-06-08 Ekurhuleni (GE) 5 1096.8 5 3.5 1299.1 19.1 Details
34 Primrose Chess Club Open 2019 (D) Standard 2019-04-13 2019-04-13 Ekurhuleni (GE) 5 1102.4 5 2 1053.5 -5.5 Details
35 Ekurhuleni Trials 2 2019 (U8) Standard 2019-04-27 2019-04-27 Ekurhuleni (GE) 5 1102.4 5 2.5 1135.7 2.5 Details
36 Ekurhuleni Trials 1 2019 (U8) Standard 2019-03-09 2019-03-09 Ekurhuleni (GE) 5 1126.3 5 2 1011 -12 Details
37 Springs Chess Club Open 2019 (D) Standard 2019-02-09 2019-02-09 Ekurhuleni (GE) 5 1200 5 1.5 918.7 -28.1 Details
38 Alberton Chess Club Open 2019 (D) Standard 2019-02-23 2019-02-23 Ekurhuleni (GE) 5 1200 5 2 1102.8 -8.8 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 20
Wins 13
Draws 1
Losses 6
White 8
Black 12
White wins 7
Black wins 6
Score 13.5
Percent 67.5
Dp 148.8
AOR 1280
Performance 1428.7
Game statistics (History)
Games 190
Wins 77
Draws 23
Losses 90
White 100
Black 90
White wins 45
Black wins 32
Score 88.5
Percent 46.6
Dp -29.1
AOR 1204.7
Performance 1175.7
Rankings (Main)
National
Overall 3674
Gender 3107
Age group 503
Gender/Age 401
Provincial
Overall 1257
Gender 1057
Age group 175
Gender/Age 136
Regional
Overall 204
Gender 162
Age group 35
Gender/Age 25
Rankings (Standard)
National
Overall 3466
Gender 2893
Age group 496
Gender/Age 394
Provincial
Overall 1235
Gender 1043
Age group 177
Gender/Age 139
Regional
Overall 189
Gender 156
Age group 36
Gender/Age 27
Rankings (Rapid)
National
Overall 2312
Gender 1896
Age group 452
Gender/Age 347
Provincial
Overall 481
Gender 393
Age group 86
Gender/Age 58
Regional
Overall 175
Gender 124
Age group 40
Gender/Age 22
Rankings (Blitz)
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
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 20
Score 13.5
Percent 67.5
Aor 1280
Dp 148.8
Prat 1428.7
Performance (12 months)
Games 31
Score 19.5
Percent 62.9
Aor 1280.8
Dp 109.7
Prat 1390.4
Performance (History)
Games 190
Score 88.5
Percent 46.6
Aor 1204.7
Dp -29.1
Prat 1175.7
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Gxumisa, T (Tshiamo) 4 4 0 Ekurhuleni Trials 1 2019 (U8) GJM vs GE Inter Region 2019 (U8) Details
Overall 2 Els, I (Ineldi) 3 1 2 Ekurhuleni Trials 1 2019 (U8) Ekurhuleni Trials (3) Details
Overall 3 Judeel, A (Amorey) 3 0 3 Alberton Chess Club Open 2019 (D) Primrose Chess Club Open 2019 (D) Details
Overall 4 Van Den Berg, L (Landon) 2 2 0 ACB Premier 2022 (Primary School) Ekurhuleni Trials 2 2023 (U12) Details
Overall 5 Esterhuysen, D (Dian) 2 0 2 Benoni Primary School Cluster 12 April 2025 (U13 Open) Ekurhuleni North School District Finals 2025 (U13 Boys) Details
Standard 1 Gxumisa, T (Tshiamo) 4 4 0 Ekurhuleni Trials 1 2019 (U8) GJM vs GE Inter Region 2019 (U8) Details
Standard 2 Els, I (Ineldi) 3 1 2 Ekurhuleni Trials 1 2019 (U8) Ekurhuleni Trials (3) Details
Standard 3 Judeel, A (Amorey) 3 0 3 Alberton Chess Club Open 2019 (D) Primrose Chess Club Open 2019 (D) Details
Standard 4 Liebenberg, M (Michael) 2 1 1 Primrose Chess Club Open 2019 (D) Ekurhuleni 2nd Trial 2026 (C) Details
Standard 5 Bothma, J (Jaculene) 2 1 1 Springs Chess Club Open 2019 (D) Boksburg Chess Club Open 2019 (D) Details