PLAYER PAGE

Personal

Liebenberg, WS (William Stephen)

Chess SA id

1120109194

FIDE id

?

Date of birth

2012-11-16 (U14)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

22

Junior GPX Points

1203.3

Item Main Standard Rapid Blitz
Rating 1346.2 1359.8 1233.7 1200
Raw rating 1346.2 1359.8 1232.9 1200
Weighted rating 1320.5 1312 1233.7 1200
Weighted performance 1293.7 1280.4 0 0
Floor 880.1 878 736 700
K-factor 36 36 36 36
Min/Max rating change allowed 134.6 132.1 158.2 165.8
Highest rating 1395
2023-07-01
1392.9
2023-07-01
1416.4
2024-03-01
1200
2018-10-01
Highest raw rating 1380.1
2023-08-01
1378
2023-08-01
1236
2024-04-01
1200
2024-02-01
Highest weighted rating 1380.1
2025-02-01
1378
2024-06-01
1233.2
2025-09-01
1200
2018-10-01
Highest weighted performance 1395
2023-07-01
1392.9
2023-07-01
1416.4
2024-03-01
1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0.4 0
New rating 1346.2 1359.8 1234.1 1200
Analysis
Rating 1346.2 1359.8 1233.7 1200
Raw rating 1346.2 1359.8 1232.9 1200
Weighted rating 1320.5 1312 1233.7
Weighted performance 1293.7 1280.4 0
K-factor 36 36 36 36
Floor 880.1 878 736 700
Max/Min rating change allowed 134.6 132.1 158.2 165.8
Games 0 0 0 0
Score 0 0 0 0
Expected score 0 0 0 0
Score-Expected 0 0 0 0
Temp raw +/- 0 0 0 0
Final raw +/- 0 0 0 0
New raw rating 1346.2 1359.8 1232.9 1200
New weighted rating 1322.5 1315.9 1234.1 1200
New weighted performance 1293.3 1280 0 0
Temp new rating 1346.2 1359.8 1234.1 1200
Temp new rating +/- 0 0 0.4 0
Final new rating +/- 0 0 0.4 0
New rating 1346.2 1359.8 1234.1 1200
New K-factor 36 36 36 36
New floor 880.1 878 736 700

Item Main Standard Rapid Blitz
0 0 0 0
25 19 6 0
13 9 4 0
30 30 0 0
27 27 0 0
5 5 0 0
History 170 160 10 0

Games since
Main
38
Standard
28
Rapid
10
Blitz
0
Gender Male
Age group U14
Region Ekurhuleni (GE)
Province Gauteng (GT)
Main
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U14 -1 -1 -1
U14 Male -1 -1 -1
Standard
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U14 -1 -1 -1
U14 Male -1 -1 -1
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U14 -1 -1 -1
U14 Male -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U14 -1 -1 -1
U14 Male -1 -1 -1

Games Score % Dp AvgOpp Performance
Main 0 0 0 0 0 0
Standard 0 0 0 0 0 0
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
Games Score % Dp AvgOpp Performance
Main 25 13 52 17 1273.1 1290.1
Standard 19 10 52.63 22.4 1274.1 1296.4
Rapid 6 3 50 0 1270.2 1270.2
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 170 75 44.12 -50 1195.9 1145.9
Standard 160 69 43.13 -58.4 1193 1134.6
Rapid 10 6 60 85 1242.1 1327.1
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-09-30 1346.2 1359.8 1232.9 1200
2025-09-01 1346.2 1359.8 1232.9 1200
2025-08-01 1358.5 1357.1 1236 1200
2025-07-01 1358.5 1357.1 1236 1200
2025-06-01 1337.2 1328.4 1236 1200
2025-05-01 1337.2 1328.4 1236 1200
2025-04-01 1308.3 1293.9 1236 1200
2025-03-01 1303.6 1288.7 1236 1200
2025-02-01 1307.7 1293.6 1236 1200
2025-01-01 1284.5 1264.8 1236 1200
2024-12-01 1284.5 1264.8 1236 1200
2024-11-01 1284.5 1264.8 1236 1200
2024-10-01 1284.5 1264.8 1236 1200
2024-09-01 1284.5 1264.8 1236 1200
2024-08-01 1284.5 1264.8 1236 1200
2024-07-01 1284.5 1264.8 1236 1200
2024-06-01 1320.5 1304.8 1236 1200
2024-08-01 1320.5 1304.8 1236 1200
2024-04-01 1320.5 1304.8 1236 1200
2024-03-01 1310.1 1304.8 1200 1200
2024-02-01 1310.1 1304.8 1200 1200
2024-01-01 1374.7 1372.1 1200 1200
2023-12-01 1374.7 1372.1 1200 1200
2023-11-01 1374.7 1372.1 1200 1200

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Ekurhuleni North Schools Teams 2025 (U13 Open) 2025-08-16 2025-08-16 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
2 Benoni Primary School Cluster Teams 2025 (U13A) 2025-08-02 2025-08-02 Rapid Ekurhuleni (GE) 7 6 3 Yes Analysis
3 Ekurhuleni North School District Finals 2025 (U13 Boys) 2025-06-14 2025-06-14 Standard Ekurhuleni (GE) 5 4 3 Yes Analysis
4 Benoni Primary School Cluster 12 April 2025 (U13 Open) 2025-04-12 2025-04-12 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
5 CPH Primrose Open 2025 (C) 2025-02-08 2025-02-08 Standard Ekurhuleni (GE) 5 5 0 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Ekurhuleni North Schools Teams 2025 (U13 Open) 2025-08-16 2025-08-16 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
2 Benoni Primary School Cluster Teams 2025 (U13A) 2025-08-02 2025-08-02 Rapid Ekurhuleni (GE) 7 6 3 Yes Analysis
3 Ekurhuleni North School District Finals 2025 (U13 Boys) 2025-06-14 2025-06-14 Standard Ekurhuleni (GE) 5 4 3 Yes Analysis
4 Benoni Primary School Cluster 12 April 2025 (U13 Open) 2025-04-12 2025-04-12 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
5 CPH Primrose Open 2025 (C) 2025-02-08 2025-02-08 Standard Ekurhuleni (GE) 5 5 0 Yes Analysis
6 Ekurhuleni Trails 1 2024 (U14) 2024-06-01 2024-06-01 Standard Ekurhuleni (GE) 5 5 2 Yes Analysis
7 Benoni Primary School Cluster Individuals 2024 (U13 Boys) 2024-03-09 2024-03-09 Rapid Ekurhuleni (GE) 5 4 3 Yes Analysis
8 2024 Gauteng Inter-Region Chess Championship (U12B) 2024-01-13 2024-01-14 Standard Tshwane (GTP) 5 4 0 Yes Analysis
9 2023 Gauteng Top Schools (U11 Mixed) 2023-08-18 2023-08-18 Standard West Rand (GWR) 5 5 3 Yes Analysis
10 2023 Ekurhuleni North District Schools Finals (U11) 2023-07-29 2023-07-29 Standard Ekurhuleni (GE) 5 5 4.5 Yes Analysis
11 Gauteng Schools Individual Finals 2023 (U11 Boys) 2023-05-26 2023-05-26 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
12 Ekurhuleni North Schools Individual Finals 2023 (U11 Boys) 2023-05-12 2023-05-12 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
13 Ekurhuleni Trials 2 2023 (U12) 2023-04-22 2023-04-22 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
14 Ekhuruleni Chess Trials 1 2023 (U12) 2023-03-25 2023-03-25 Standard Ekurhuleni (GE) 5 5 1 Yes Analysis
15 Ekurhuleni-North Schools Teams 2022 (U11) 2022-08-06 2022-08-06 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
16 Ekurhuleni Trials 1 2022 (U12) 2022-04-23 2022-04-23 Standard Ekurhuleni (GE) 5 5 2.5 Yes Analysis
17 ACB Premier 2022 (Primary School) 2022-03-19 2022-03-19 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
18 2022 Gauteng Interregion (U10 Open) 2022-02-26 2022-02-26 Standard Tshwane (GTP) 5 5 1.5 Yes Analysis
19 Ekurhuleni Chess Open 2022 (D) 2022-01-08 2022-01-09 Standard Ekurhuleni (GE) 7 7 3 Yes Analysis
20 Ekurhuleni Trials (3) 2021-11-06 2021-11-06 Standard Ekurhuleni (GE) 5 5 2.5 Yes Analysis
21 Alberton Chess Club Open 2020 (E) 2020-02-22 2020-02-22 Standard Ekurhuleni (GE) 5 5 1 Yes Analysis
22 Springs Chess Club Open 2020 (D) 2020-01-25 2020-01-25 Standard Ekurhuleni (GE) 5 5 2 Yes Analysis
23 2019 South African Junior Team Championships (U8B+U8Girls) 2020-01-04 2020-01-08 Standard 4 Knights (4K) 7 6 0 Yes Analysis
24 GJM vs GE Inter Region 2019 (U8) 2019-10-05 2019-10-05 Standard Johannesburg Metro (GJM) 5 5 1.5 Yes Analysis
25 GE vs GSV Inter Regional 2019 (U8) 2019-10-26 2019-10-26 Standard Ekurhuleni (GE) 5 5 2 Yes Analysis
26 Ekurhuleni Grand Prix 2019 (D) 2019-09-14 2019-09-14 Standard Ekurhuleni (GE) 5 5 1 Yes Analysis
27 Springs Open 2019 (D) 2019-08-31 2019-08-31 Standard Ekurhuleni (GE) 5 5 2 Yes Analysis
28 Boksburg Chess Club Open 2019 (D) 2019-07-13 2019-07-13 Standard Ekurhuleni (GE) 5 4 0 Yes Analysis
29 Ekurhuleni Trials (3) 2019-06-08 2019-06-08 Standard Ekurhuleni (GE) 5 5 3.5 Yes Analysis
30 Primrose Chess Club Open 2019 (D) 2019-04-13 2019-04-13 Standard Ekurhuleni (GE) 5 5 2 Yes Analysis
31 Ekurhuleni Trials 2 2019 (U8) 2019-04-27 2019-04-27 Standard Ekurhuleni (GE) 5 5 2.5 Yes Analysis
32 Ekurhuleni Trials 1 2019 (U8) 2019-03-09 2019-03-09 Standard Ekurhuleni (GE) 5 5 2 Yes Analysis
33 Springs Chess Club Open 2019 (D) 2019-02-09 2019-02-09 Standard Ekurhuleni (GE) 5 5 1.5 Yes Analysis
34 Alberton Chess Club Open 2019 (D) 2019-02-23 2019-02-23 Standard Ekurhuleni (GE) 5 5 2 Yes Analysis

Top 3 Streaks

# Games Start End
1 7 Tournament
Benoni Primary School Cluster 12 April 2025
Tournament
Ekurhuleni North School District Finals 2025
date
2025-04-12
rnd
2
type
Standard
result
1
date
2025-06-14
rnd
3
type
Standard
result
1
Opponent
Gordhan, V (Vihaan)
Opponent
Esterhuysen, D (Dian)
2 7 Tournament
Gauteng Schools Individual Finals 2023
Tournament
2023 Gauteng Top Schools
date
2023-05-26
rnd
5
type
Standard
result
1
date
2023-08-18
rnd
1
type
Standard
result
1
Opponent
Harmse, O (Oscar)
Opponent
Sibiya, A (Arya)
3 4 Tournament
Ekurhuleni North Schools Individual Finals 2023
Tournament
Gauteng Schools Individual Finals 2023
date
2023-05-12
rnd
4
type
Standard
result
1
date
2023-05-26
rnd
2
type
Standard
result
1
Opponent
Gadney, L (Liam)
Opponent
Tshabalala, S (Sibusiso)
# Games Start End
1 7 Tournament
Benoni Primary School Cluster 12 April 2025
Tournament
Ekurhuleni North School District Finals 2025
date
2025-04-12
rnd
2
type
Standard
result
1
date
2025-06-14
rnd
3
type
Standard
result
1
Opponent
Gordhan, V (Vihaan)
Opponent
Esterhuysen, D (Dian)
2 7 Tournament
Gauteng Schools Individual Finals 2023
Tournament
2023 Gauteng Top Schools
date
2023-05-26
rnd
5
type
Standard
result
1
date
2023-08-18
rnd
1
type
Standard
result
1
Opponent
Harmse, O (Oscar)
Opponent
Sibiya, A (Arya)
3 4 Tournament
Ekurhuleni North Schools Individual Finals 2023
Tournament
Gauteng Schools Individual Finals 2023
date
2023-05-12
rnd
4
type
Standard
result
1
date
2023-05-26
rnd
2
type
Standard
result
1
Opponent
Gadney, L (Liam)
Opponent
Tshabalala, S (Sibusiso)
# Games Start End
1 4 Tournament
Benoni Primary School Cluster Individuals 2024
Tournament
Benoni Primary School Cluster Teams 2025
date
2024-03-09
rnd
4
type
Rapid
result
1
date
2025-08-02
rnd
3
type
Rapid
result
1
Opponent
Logan, C (Carter)
Opponent
Stephens, C (CJ)
2 1 Tournament
Benoni Primary School Cluster Teams 2025
Tournament
Benoni Primary School Cluster Teams 2025
date
2025-08-02
rnd
6
type
Rapid
result
1
date
2025-08-02
rnd
6
type
Rapid
result
1
Opponent
Govender, M (Michael-Dean)
Opponent
Govender, M (Michael-Dean)
3 1 Tournament
Benoni Primary School Cluster Individuals 2024
Tournament
Benoni Primary School Cluster Individuals 2024
date
2024-03-09
rnd
1
type
Rapid
result
1
date
2024-03-09
rnd
1
type
Rapid
result
1
Opponent
Fox, C (Carter)
Opponent
Fox, C (Carter)
No games found.
# Games Start End
# Games Start End
1 7 Tournament
Benoni Primary School Cluster 12 April 2025
Tournament
Ekurhuleni North School District Finals 2025
date
2025-04-12
rnd
2
type
Standard
result
1
date
2025-06-14
rnd
3
type
Standard
result
1
Opponent
Gordhan, V (Vihaan)
Opponent
Esterhuysen, D (Dian)
2 5 Tournament
2023 Ekurhuleni North District Schools Finals
Tournament
2023 Gauteng Top Schools
date
2023-07-29
rnd
2
type
Standard
result
1
date
2023-08-18
rnd
1
type
Standard
result
1
Opponent
Maitse, R (Relebogile Reitumetse)
Opponent
Sibiya, A (Arya)
3 4 Tournament
Ekurhuleni North Schools Individual Finals 2023
Tournament
Gauteng Schools Individual Finals 2023
date
2023-05-12
rnd
4
type
Standard
result
1
date
2023-05-26
rnd
2
type
Standard
result
1
Opponent
Gadney, L (Liam)
Opponent
Tshabalala, S (Sibusiso)
# Games Start End
1 7 Tournament
Benoni Primary School Cluster 12 April 2025
Tournament
Ekurhuleni North School District Finals 2025
date
2025-04-12
rnd
2
type
Standard
result
1
date
2025-06-14
rnd
3
type
Standard
result
1
Opponent
Gordhan, V (Vihaan)
Opponent
Esterhuysen, D (Dian)
2 5 Tournament
2023 Ekurhuleni North District Schools Finals
Tournament
2023 Gauteng Top Schools
date
2023-07-29
rnd
2
type
Standard
result
1
date
2023-08-18
rnd
1
type
Standard
result
1
Opponent
Maitse, R (Relebogile Reitumetse)
Opponent
Sibiya, A (Arya)
3 4 Tournament
Ekurhuleni North Schools Individual Finals 2023
Tournament
Gauteng Schools Individual Finals 2023
date
2023-05-12
rnd
4
type
Standard
result
1
date
2023-05-26
rnd
2
type
Standard
result
1
Opponent
Gadney, L (Liam)
Opponent
Tshabalala, S (Sibusiso)
# Games Start End
1 4 Tournament
Benoni Primary School Cluster Individuals 2024
Tournament
Benoni Primary School Cluster Teams 2025
date
2024-03-09
rnd
4
type
Rapid
result
1
date
2025-08-02
rnd
3
type
Rapid
result
1
Opponent
Logan, C (Carter)
Opponent
Stephens, C (CJ)
2 1 Tournament
Benoni Primary School Cluster Teams 2025
Tournament
Benoni Primary School Cluster Teams 2025
date
2025-08-02
rnd
6
type
Rapid
result
1
date
2025-08-02
rnd
6
type
Rapid
result
1
Opponent
Govender, M (Michael-Dean)
Opponent
Govender, M (Michael-Dean)
3 1 Tournament
Benoni Primary School Cluster Individuals 2024
Tournament
Benoni Primary School Cluster Individuals 2024
date
2024-03-09
rnd
1
type
Rapid
result
1
date
2024-03-09
rnd
1
type
Rapid
result
1
Opponent
Fox, C (Carter)
Opponent
Fox, C (Carter)
No games found.
# Games Start End

Top 10 opponents most often played

# Opponent Main Standard Rapid Blitz
Gms Score Dp Gms Score Dp Gms Score Dp Gms Score Dp
Aor Prat Aor Prat Aor Prat Aor Prat
1 Gxumisa ,T (Tshiamo) 4 0.5 -318.8 4 0.5 -318.8 0 0 0 0 0 0
1248 929.2 1245.7 929.2 0 0 0 0
2 Judeel ,A (Amorey) 3 2.5 283.3 3 2.5 283.3 0 0 0 0 0 0
1066.9 1350.2 1047.7 1350.2 0 0 0 0
3 Els ,I (Ineldi) 3 2 141.7 3 2 141.7 0 0 0 0 0 0
786.3 928 767.2 928 0 0 0 0
4 Bodha ,A (Aryan Aiden) 2 2 425 2 2 425 0 0 0 0 0 0
1198.4 1623.4 1196.2 1623.4 0 0 0 0
5 Deulkar ,R (Ronit) 2 0 -425 2 0 -425 0 0 0 0 0 0
1197.8 772.8 1192.8 772.8 0 0 0 0
6 Labuschagne ,A (Anandi) 2 1.5 212.5 2 1.5 212.5 0 0 0 0 0 0
1079.4 1291.9 1064.8 1291.9 0 0 0 0
7 Baloi ,T (Thato) 2 1 0 2 1 0 0 0 0 0 0 0
1188.7 1188.7 1186.8 1188.7 0 0 0 0
8 Van Den Berg ,L (Landon) 2 0.5 -212.5 2 0.5 -212.5 0 0 0 0 0 0
1126.3 913.8 1125.8 913.8 0 0 0 0
9 Du Plessis ,Z (Zander) 2 1.5 212.5 2 1.5 212.5 0 0 0 0 0 0
1266.3 1478.8 1271.7 1478.8 0 0 0 0
10 Ngqweqwe ,S (Sanele) 2 0 -425 2 0 -425 0 0 0 0 0 0
1114.2 689.2 1100.6 689.2 0 0 0 0

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
© Chess South Africa