PLAYER PAGE
William Stephen Liebenberg
1120109194Ekurhuleni (GE)Personal
Main rating
| Rating | 1346.2 |
| K-factor | 36 |
| Floor | 880.1 |
| Highest | 1395 (2023-07-01) |
| Min/Max +/- allowed | 126 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1244.5 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1346.2 |
| K-factor | 36 |
| Floor | 880.1 |
| Highest | 1395 (2023-07-01) |
| Min/Max +/- allowed | 125.6 |
Standard rating
| Rating | 1359.8 |
| 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 | 1236.5 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1359.8 |
| K-factor | 36 |
| Floor | 878 |
| Highest | 1392.9 (2023-07-01) |
| Min/Max +/- allowed | 126 |
Rapid rating
| Rating | 1234.5 |
| 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 | 1234.5 |
| 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
| # | 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 North Schools Teams 2025 (U13 Open) | Standard | 2025-08-16 | 2025-08-16 | Ekurhuleni (GE) | 5 | 1358.5 | 5 | 3 | 1381.7 | 0 | Details |
| 2 | Benoni Primary School Cluster Teams 2025 (U13A) | Rapid | 2025-08-02 | 2025-08-02 | Ekurhuleni (GE) | 7 | 1358.5 | 6 | 3 | 1270.2 | 0 | Details |
| 3 | Ekurhuleni North School District Finals 2025 (U13 Boys) | Standard | 2025-06-14 | 2025-06-14 | Ekurhuleni (GE) | 5 | 1337.2 | 4 | 3 | 1487.7 | 0 | Details |
| 4 | 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 | 0 | Details |
| 5 | CPH Primrose Open 2025 (C) | Standard | 2025-02-08 | 2025-02-08 | Ekurhuleni (GE) | 5 | 1307.7 | 5 | 0 | 890 | 0 | Details |
| 6 | Ekurhuleni Trails 1 2024 (U14) | Standard | 2024-06-01 | 2024-06-01 | Ekurhuleni (GE) | 5 | 1320.5 | 5 | 2 | 1109.4 | 0 | Details |
| 7 | Benoni Primary School Cluster Individuals 2024 (U13 Boys) | Rapid | 2024-03-09 | 2024-03-09 | Ekurhuleni (GE) | 5 | 1310.1 | 4 | 3 | 1412.5 | 0 | Details |
| 8 | 2024 Gauteng Inter-Region Chess Championship (U12B) | Standard | 2024-01-13 | 2024-01-14 | Tshwane (GTP) | 5 | 1374.7 | 4 | 0 | 969.1 | 0 | Details |
| 9 | 2023 Gauteng Top Schools (U11 Mixed) | Standard | 2023-08-18 | 2023-08-18 | West Rand (GWR) | 5 | 1380.1 | 5 | 3 | 1303.9 | 0 | Details |
| 10 | 2023 Ekurhuleni North District Schools Finals (U11) | Standard | 2023-07-29 | 2023-07-29 | Ekurhuleni (GE) | 5 | 1284.1 | 5 | 4.5 | 1573.2 | 0 | Details |
| 11 | Gauteng Schools Individual Finals 2023 (U11 Boys) | Standard | 2023-05-26 | 2023-05-26 | Ekurhuleni (GE) | 5 | 1168.8 | 5 | 3 | 1334.2 | 0 | Details |
| 12 | Ekurhuleni North Schools Individual Finals 2023 (U11 Boys) | Standard | 2023-05-12 | 2023-05-12 | Ekurhuleni (GE) | 5 | 1168.8 | 5 | 4 | 1473.1 | 0 | Details |
| 13 | Ekurhuleni Trials 2 2023 (U12) | Standard | 2023-04-22 | 2023-04-22 | Ekurhuleni (GE) | 5 | 1146.6 | 5 | 3 | 1268 | 0 | Details |
| 14 | Ekhuruleni Chess Trials 1 2023 (U12) | Standard | 2023-03-25 | 2023-03-25 | Ekurhuleni (GE) | 5 | 1198.7 | 5 | 1 | 924.9 | 0 | Details |
| 15 | Ekurhuleni-North Schools Teams 2022 (U11) | Standard | 2022-08-06 | 2022-08-06 | Ekurhuleni (GE) | 5 | 1165.5 | 5 | 3 | 1329.1 | 0 | Details |
| 16 | Ekurhuleni Trials 1 2022 (U12) | Standard | 2022-04-23 | 2022-04-23 | Ekurhuleni (GE) | 5 | 1100.4 | 5 | 2.5 | 1244.9 | 0 | Details |
| 17 | ACB Premier 2022 (Primary School) | Standard | 2022-03-19 | 2022-03-19 | Ekurhuleni (GE) | 5 | 1026.9 | 5 | 3 | 1264.3 | 0 | Details |
| 18 | 2022 Gauteng Interregion (U10 Open) | Standard | 2022-02-26 | 2022-02-26 | Tshwane (GTP) | 5 | 1017.9 | 5 | 1.5 | 1059.5 | 0 | Details |
| 19 | Ekurhuleni Chess Open 2022 (D) | Standard | 2022-01-08 | 2022-01-09 | Ekurhuleni (GE) | 7 | 989.7 | 7 | 3 | 1097 | 0 | Details |
| 20 | Ekurhuleni Trials (3) | Standard | 2021-11-06 | 2021-11-06 | Ekurhuleni (GE) | 5 | 954.8 | 5 | 2.5 | 1142.1 | 0 | Details |
| 21 | Alberton Chess Club Open 2020 (E) | Standard | 2020-02-22 | 2020-02-22 | Ekurhuleni (GE) | 5 | 969.1 | 5 | 1 | 890.7 | 0 | Details |
| 22 | Springs Chess Club Open 2020 (D) | Standard | 2020-01-25 | 2020-01-25 | Ekurhuleni (GE) | 5 | 1024.8 | 5 | 2 | 1107.4 | 0 | Details |
| 23 | 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 | 0 | Details |
| 24 | GJM vs GE Inter Region 2019 (U8) | Standard | 2019-10-05 | 2019-10-05 | Johannesburg Metro (GJM) | 5 | 1046.7 | 5 | 1.5 | 1009 | 0 | Details |
| 25 | GE vs GSV Inter Regional 2019 (U8) | Standard | 2019-10-26 | 2019-10-26 | Ekurhuleni (GE) | 5 | 1046.7 | 5 | 2 | 988.2 | 0 | Details |
| 26 | Ekurhuleni Grand Prix 2019 (D) | Standard | 2019-09-14 | 2019-09-14 | Ekurhuleni (GE) | 5 | 1074.6 | 5 | 1 | 928.1 | 0 | Details |
| 27 | Springs Open 2019 (D) | Standard | 2019-08-31 | 2019-08-31 | Ekurhuleni (GE) | 5 | 1070.3 | 5 | 2 | 1086.7 | 0 | Details |
| 28 | Boksburg Chess Club Open 2019 (D) | Standard | 2019-07-13 | 2019-07-13 | Ekurhuleni (GE) | 5 | 1135 | 4 | 0 | 721.5 | 0 | Details |
| 29 | Ekurhuleni Trials (3) | Standard | 2019-06-08 | 2019-06-08 | Ekurhuleni (GE) | 5 | 1096.8 | 5 | 3.5 | 1299.1 | 0 | Details |
| 30 | Primrose Chess Club Open 2019 (D) | Standard | 2019-04-13 | 2019-04-13 | Ekurhuleni (GE) | 5 | 1102.4 | 5 | 2 | 1053.5 | 0 | Details |
| 31 | Ekurhuleni Trials 2 2019 (U8) | Standard | 2019-04-27 | 2019-04-27 | Ekurhuleni (GE) | 5 | 1102.4 | 5 | 2.5 | 1135.7 | 0 | Details |
| 32 | Ekurhuleni Trials 1 2019 (U8) | Standard | 2019-03-09 | 2019-03-09 | Ekurhuleni (GE) | 5 | 1126.3 | 5 | 2 | 1011 | 0 | Details |
| 33 | Springs Chess Club Open 2019 (D) | Standard | 2019-02-09 | 2019-02-09 | Ekurhuleni (GE) | 5 | 1200 | 5 | 1.5 | 918.7 | 0 | Details |
| 34 | Alberton Chess Club Open 2019 (D) | Standard | 2019-02-23 | 2019-02-23 | Ekurhuleni (GE) | 5 | 1200 | 5 | 2 | 1102.8 | 0 | 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 | 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 (History)
| Games | 170 |
| Wins | 64 |
| Draws | 22 |
| Losses | 84 |
| White | 92 |
| Black | 78 |
| White wins | 38 |
| Black wins | 26 |
| Score | 75 |
| Percent | 44.1 |
| Dp | -50 |
| AOR | 1195.9 |
| Performance | 1145.9 |
Rankings (Main)
| National | |
| Overall | 4518 |
| Gender | 3785 |
| Age group | 707 |
| Gender/Age | 547 |
| Provincial | |
| Overall | 1516 |
| Gender | 1270 |
| Age group | 240 |
| Gender/Age | 183 |
| Regional | |
| Overall | 284 |
| Gender | 229 |
| Age group | 56 |
| Gender/Age | 41 |
Rankings (Standard)
| National | |
| Overall | 3784 |
| Gender | 3164 |
| Age group | 573 |
| Gender/Age | 445 |
| Provincial | |
| Overall | 1347 |
| Gender | 1124 |
| Age group | 217 |
| Gender/Age | 165 |
| Regional | |
| Overall | 229 |
| Gender | 188 |
| Age group | 46 |
| Gender/Age | 35 |
Rankings (Rapid)
| National | |
| Overall | 3374 |
| Gender | 2684 |
| Age group | 734 |
| Gender/Age | 549 |
| Provincial | |
| Overall | 643 |
| Gender | 507 |
| Age group | 128 |
| Gender/Age | 84 |
| Regional | |
| Overall | 236 |
| Gender | 162 |
| Age group | 57 |
| Gender/Age | 29 |
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 | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (12 months)
| Games | 20 |
| Score | 13 |
| Percent | 65 |
| Aor | 1262.7 |
| Dp | 127.5 |
| Prat | 1390.2 |
Performance (History)
| Games | 170 |
| Score | 75 |
| Percent | 44.1 |
| Aor | 1195.9 |
| Dp | -50 |
| Prat | 1145.9 |
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 | Mosupye, I (Itumeleng) | 2 | 1 | 1 | Ekurhuleni Grand Prix 2019 (D) | Springs Chess Club Open 2020 (D) | Details |
| Overall | 5 | Govender, M (Michael-Dean) | 2 | 1 | 1 | Benoni Primary School Cluster 12 April 2025 (U13 Open) | Benoni Primary School Cluster Teams 2025 (U13A) | 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 | Bodha, A (Aryan Aiden) | 2 | 2 | 0 | ACB Premier 2022 (Primary School) | 2023 Ekurhuleni North District Schools Finals (U11) | Details |
| Standard | 5 | Bothma, J (Jaculene) | 2 | 1 | 1 | Springs Chess Club Open 2019 (D) | Boksburg Chess Club Open 2019 (D) | Details |