PLAYER PAGE
Simeon Van Der Westhuizen
1130192038Ekurhuleni (GE)Personal
Main rating
| Rating | 1304.3 |
| K-factor | 36 |
| Floor | 786.9 |
| Highest | 1357.8 (2024-02-01) |
| Min/Max +/- allowed | 132 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1285.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1304.3 |
| K-factor | 36 |
| Floor | 786.9 |
| Highest | 1357.8 (2024-02-01) |
| Min/Max +/- allowed | 132.4 |
Standard rating
| Rating | 1221.9 |
| K-factor | 36 |
| Floor | 741.4 |
| Highest | 1241.4 (2025-04-01) |
| Min/Max +/- allowed | 156.3 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1154.5 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1221.9 |
| K-factor | 36 |
| Floor | 741.4 |
| Highest | 1241.4 (2025-04-01) |
| Min/Max +/- allowed | 156.3 |
Rapid rating
| Rating | 1374.8 |
| K-factor | 32 |
| Floor | 914.4 |
| Highest | 1459.5 (2024-02-01) |
| Min/Max +/- allowed | 114.6 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1351.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1374.8 |
| K-factor | 32 |
| Floor | 914.4 |
| Highest | 1459.5 (2024-02-01) |
| Min/Max +/- allowed | 114.6 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-02-01) |
| 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 (2024-02-01) |
| 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 | Benoni Cluster Laerskole Teams Mix 2026 (U13) | Rapid | 2026-06-13 | 2026-06-13 | Ekurhuleni (GE) | 5 | 1300.1 | 5 | 3 | 1339.6 | 4.2 | Details |
| 2 | Ekurhuleni 1st Trial 2026 (D U14) | Standard | 2026-04-11 | 2026-04-11 | Ekurhuleni (GE) | 5 | 1278.3 | 5 | 3 | 1409.6 | 21.7 | Details |
| 3 | East Rand Chess Club Open 2026 (D) | Rapid | 2026-03-14 | 2026-03-14 | Ekurhuleni (GE) | 5 | 1274 | 5 | 2.5 | 1310.2 | 4.4 | Details |
| 4 | LS Northmead 2026 (U13) | Rapid | 2026-01-31 | 2026-01-31 | Ekurhuleni (GE) | 5 | 1233.2 | 5 | 4 | 1562.3 | 14 | Details |
| 5 | Gauteng Inter-Region at Emerald Resort 2025 (U14 Candidates) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1234.8 | 5 | 2 | 1184 | -4.9 | Details |
| 6 | Ekurhuleni Trial 4 2025 (E) | Standard | 2025-09-21 | 2025-09-21 | Ekurhuleni (GE) | 5 | 1239.9 | 5 | 2 | 1188.3 | -5.8 | Details |
| 7 | Benoni Primary School Cluster Teams 2025 (U13B) | Rapid | 2025-08-02 | 2025-08-02 | Ekurhuleni (GE) | 5 | 1230.4 | 5 | 5 | 1614.9 | 26.8 | Details |
| 8 | Ekurhuleni Trials 2025 (E) | Standard | 2025-07-26 | 2025-07-26 | Ekurhuleni (GE) | 5 | 1230.4 | 5 | 1 | 1016.6 | -21.6 | Details |
| 9 | South African Open 2025 (U14 Open) | Classical | 2025-07-03 | 2025-07-05 | Johannesburg Metro (GJM) | 5 | 1232.1 | 5 | 1 | 1060.8 | -19.4 | Details |
| 10 | Ekurhuleni Trial 2 2025 (E) | Standard | 2025-06-21 | 2025-06-21 | Ekurhuleni (GE) | 5 | 1237.1 | 5 | 2 | 1185.3 | -5.8 | Details |
| 11 | Ekurhuleni Trials 2025 (E) | Standard | 2025-05-24 | 2025-05-24 | Ekurhuleni (GE) | 5 | 1255.6 | 5 | 1 | 934.7 | -30.5 | Details |
| 12 | East Rand Chess Club Open 2025 (C) | Standard | 2025-05-03 | 2025-05-03 | Ekurhuleni (GE) | 5 | 1255.6 | 5 | 3.5 | 1456.6 | 20.3 | Details |
| 13 | Benoni Primary School Cluster 12 April 2025 (U13 Open) | Standard | 2025-04-12 | 2025-04-12 | Ekurhuleni (GE) | 5 | 1286.9 | 5 | 2 | 1115 | -17.4 | Details |
| 14 | East Rand Chess Club Open 2025 (C) | Standard | 2025-03-01 | 2025-03-01 | Ekurhuleni (GE) | 5 | 1272.8 | 5 | 3 | 1338.3 | 5.6 | Details |
| 15 | LS Northmead Trials 2025 (U13) | Rapid | 2025-01-25 | 2025-01-25 | Ekurhuleni (GE) | 5 | 1244 | 5 | 4 | 1461.7 | 16 | Details |
| 16 | Gauteng Inter-Region at UJ 2024 (U12 Candidates) | Standard | 2024-12-07 | 2024-12-08 | Johannesburg Metro (GJM) | 5 | 1183.1 | 5 | 4 | 1496.8 | 33.8 | Details |
| 17 | Ekurhuleni Trails 3 2024 (U12) | Standard | 2024-08-24 | 2024-08-24 | Ekurhuleni (GE) | 5 | 1219.6 | 5 | 1 | 1017.5 | -20.3 | Details |
| 18 | Ekurhuleni Trails 2 2024 (U12) | Standard | 2024-07-27 | 2024-07-27 | Ekurhuleni (GE) | 5 | 1234.8 | 5 | 2 | 1155.2 | -8.5 | Details |
| 19 | Ekurhuleni Trails 1 2024 (U12) | Standard | 2024-06-01 | 2024-06-01 | Ekurhuleni (GE) | 5 | 1236 | 5 | 2.5 | 1235.6 | -0.7 | Details |
| 20 | Ekurhuleni North Chess Club Open Tournament 2024 (D) | Rapid | 2024-03-02 | 2024-03-02 | Ehlanzeni (MEN) | 7 | 1231 | 6 | 3 | 1162.7 | -5.8 | Details |
| 21 | Benoni Primary School Cluster Individuals 2024 (U11 Boys) | Rapid | 2024-03-09 | 2024-03-09 | Ekurhuleni (GE) | 5 | 1231 | 4 | 3 | 1382 | 8.6 | Details |
| 22 | Laerskool Northmead Proewe 2024 (U11) | Rapid | 2024-02-10 | 2024-02-10 | Ekurhuleni (GE) | 5 | 1200 | 5 | 4 | 1424.9 | 15.5 | 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 | 12 |
| Draws | 1 |
| Losses | 7 |
| White | 11 |
| Black | 9 |
| White wins | 9 |
| Black wins | 3 |
| Score | 12.5 |
| Percent | 62.5 |
| Dp | 106.2 |
| AOR | 1299.2 |
| Performance | 1405.4 |
Game statistics (History)
| Games | 110 |
| Wins | 57 |
| Draws | 3 |
| Losses | 50 |
| White | 59 |
| Black | 51 |
| White wins | 33 |
| Black wins | 24 |
| Score | 58.5 |
| Percent | 53.2 |
| Dp | 27 |
| AOR | 1246.1 |
| Performance | 1273.1 |
Rankings (Main)
| National | |
| Overall | 6330 |
| Gender | 5196 |
| Age group | 911 |
| Gender/Age | 662 |
| Provincial | |
| Overall | 2138 |
| Gender | 1760 |
| Age group | 289 |
| Gender/Age | 214 |
| Regional | |
| Overall | 430 |
| Gender | 328 |
| Age group | 72 |
| Gender/Age | 52 |
Rankings (Standard)
| National | |
| Overall | 9182 |
| Gender | 7181 |
| Age group | 1639 |
| Gender/Age | 1180 |
| Provincial | |
| Overall | 3311 |
| Gender | 2567 |
| Age group | 591 |
| Gender/Age | 423 |
| Regional | |
| Overall | 682 |
| Gender | 486 |
| Age group | 124 |
| Gender/Age | 84 |
Rankings (Rapid)
| National | |
| Overall | 1120 |
| Gender | 966 |
| Age group | 192 |
| Gender/Age | 149 |
| Provincial | |
| Overall | 210 |
| Gender | 182 |
| Age group | 33 |
| Gender/Age | 24 |
| Regional | |
| Overall | 60 |
| Gender | 45 |
| Age group | 15 |
| Gender/Age | 11 |
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 | 12.5 |
| Percent | 62.5 |
| Aor | 1299.2 |
| Dp | 106.2 |
| Prat | 1405.4 |
Performance (12 months)
| Games | 35 |
| Score | 21.5 |
| Percent | 61.4 |
| Aor | 1275.6 |
| Dp | 97.1 |
| Prat | 1372.7 |
Performance (History)
| Games | 110 |
| Score | 58.5 |
| Percent | 53.2 |
| Aor | 1246.1 |
| Dp | 27 |
| Prat | 1273.1 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Swanevelder, Z (Zianey) | 5 | 3 | 2 | Laerskool Northmead Proewe 2024 (U11) | East Rand Chess Club Open 2025 (C) | Details |
| Overall | 2 | Motloung, R (Relebohile) | 4 | 1 | 3 | East Rand Chess Club Open 2025 (C) | Ekurhuleni Trial 4 2025 (E) | Details |
| Overall | 3 | Theron, F (Francois) | 4 | 3 | 1 | Benoni Primary School Cluster Individuals 2024 (U11 Boys) | Ekurhuleni Trial 4 2025 (E) | Details |
| Overall | 4 | Matamela, M (Mukovhe) | 3 | 2 | 1 | Ekurhuleni Trials 2025 (E) | Ekurhuleni Trial 4 2025 (E) | Details |
| Overall | 5 | Fox, C (Carter) | 2 | 0 | 2 | Ekurhuleni Trial 2 2025 (E) | Ekurhuleni Trial 4 2025 (E) | Details |
| Standard | 1 | Motloung, R (Relebohile) | 4 | 1 | 3 | East Rand Chess Club Open 2025 (C) | Ekurhuleni Trial 4 2025 (E) | Details |
| Standard | 2 | Matamela, M (Mukovhe) | 3 | 2 | 1 | Ekurhuleni Trials 2025 (E) | Ekurhuleni Trial 4 2025 (E) | Details |
| Standard | 3 | Mojapelo, D (Davey) | 2 | 2 | 0 | Ekurhuleni Trial 2 2025 (E) | Ekurhuleni Trial 4 2025 (E) | Details |
| Standard | 4 | Theron, F (Francois) | 2 | 2 | 0 | Ekurhuleni Trial 2 2025 (E) | Ekurhuleni Trial 4 2025 (E) | Details |
| Standard | 5 | Van Den Berg, L (Landon) | 2 | 2 | 0 | Ekurhuleni Trails 2 2024 (U12) | East Rand Chess Club Open 2025 (C) | Details |
| Rapid | 1 | Swanevelder, Z (Zianey) | 3 | 2 | 1 | Laerskool Northmead Proewe 2024 (U11) | LS Northmead Trials 2025 (U13) | Details |
| Rapid | 2 | Theron, F (Francois) | 2 | 1 | 1 | Benoni Primary School Cluster Individuals 2024 (U11 Boys) | Ekurhuleni North Chess Club Open Tournament 2024 (D) | Details |