PLAYER PAGE
Simeon Van Der Westhuizen
1130192038Ekurhuleni (GE)Personal
Main rating
| Rating | 1314.1 |
| 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 | 1278.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1314.1 |
| K-factor | 36 |
| Floor | 786.9 |
| Highest | 1357.8 (2024-02-01) |
| Min/Max +/- allowed | 132.4 |
Standard rating
| Rating | 1302.9 |
| K-factor | 36 |
| Floor | 802.9 |
| Highest | 1302.9 (2026-09-01) |
| Min/Max +/- allowed | 143.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1298.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1302.9 |
| K-factor | 36 |
| Floor | 802.9 |
| Highest | 1302.9 (2026-09-01) |
| Min/Max +/- allowed | 143.2 |
Rapid rating
| Rating | 1350.5 |
| 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 | 1301.3 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1350.5 |
| 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 | Ekurhuleni 3rd Trials 2026 (F) | Standard | 2026-07-25 | 2026-07-25 | Ekurhuleni (GE) | 5 | 1314.1 | 4 | 3 | 1447.6 | 20.3 | Details |
| 2 | EN Teams 2026 (U13) | Rapid | 2026-08-15 | 2026-08-15 | Ekurhuleni (GE) | 5 | 1314.1 | 5 | 2.5 | 1250.2 | -9.5 | Details |
| 3 | Ekurhuleni 3rd Standard Tournament 2026 (D) | Standard | 2026-08-08 | 2026-08-08 | Ekurhuleni (GE) | 5 | 1314.1 | 5 | 2 | 1306.9 | -1 | Details |
| 4 | 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 |
| 5 | 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 |
| 6 | 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 |
| 7 | LS Northmead 2026 (U13) | Rapid | 2026-01-31 | 2026-01-31 | Ekurhuleni (GE) | 5 | 1233.2 | 5 | 4 | 1562.3 | 14 | Details |
| 8 | 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 |
| 9 | Ekurhuleni Trial 4 2025 (E) | Standard | 2025-09-21 | 2025-09-21 | Ekurhuleni (GE) | 5 | 1239.9 | 5 | 2 | 1188.3 | -5.8 | Details |
| 10 | 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 |
| 11 | Ekurhuleni Trials 2025 (E) | Standard | 2025-07-26 | 2025-07-26 | Ekurhuleni (GE) | 5 | 1230.4 | 5 | 1 | 1016.6 | -21.6 | Details |
| 12 | 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 |
| 13 | Ekurhuleni Trial 2 2025 (E) | Standard | 2025-06-21 | 2025-06-21 | Ekurhuleni (GE) | 5 | 1237.1 | 5 | 2 | 1185.3 | -5.8 | Details |
| 14 | Ekurhuleni Trials 2025 (E) | Standard | 2025-05-24 | 2025-05-24 | Ekurhuleni (GE) | 5 | 1255.6 | 5 | 1 | 934.7 | -30.5 | Details |
| 15 | 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 |
| 16 | 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 |
| 17 | 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 |
| 18 | LS Northmead Trials 2025 (U13) | Rapid | 2025-01-25 | 2025-01-25 | Ekurhuleni (GE) | 5 | 1244 | 5 | 4 | 1461.7 | 16 | Details |
| 19 | 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 |
| 20 | Ekurhuleni Trails 3 2024 (U12) | Standard | 2024-08-24 | 2024-08-24 | Ekurhuleni (GE) | 5 | 1219.6 | 5 | 1 | 1017.5 | -20.3 | Details |
| 21 | Ekurhuleni Trails 2 2024 (U12) | Standard | 2024-07-27 | 2024-07-27 | Ekurhuleni (GE) | 5 | 1234.8 | 5 | 2 | 1155.2 | -8.5 | Details |
| 22 | Ekurhuleni Trails 1 2024 (U12) | Standard | 2024-06-01 | 2024-06-01 | Ekurhuleni (GE) | 5 | 1236 | 5 | 2.5 | 1235.6 | -0.7 | Details |
| 23 | 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 |
| 24 | 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 |
| 25 | 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 | 34 |
| Wins | 19 |
| Draws | 2 |
| Losses | 13 |
| White | 19 |
| Black | 15 |
| White wins | 12 |
| Black wins | 7 |
| Score | 20 |
| Percent | 58.8 |
| Dp | 75 |
| AOR | 1298.1 |
| Performance | 1373.1 |
Game statistics (History)
| Games | 124 |
| Wins | 64 |
| Draws | 4 |
| Losses | 56 |
| White | 67 |
| Black | 57 |
| White wins | 36 |
| Black wins | 28 |
| Score | 66 |
| Percent | 53.2 |
| Dp | 27.4 |
| AOR | 1251.8 |
| Performance | 1279.2 |
Rankings (Main)
| National | |
| Overall | 5769 |
| Gender | 4740 |
| Age group | 860 |
| Gender/Age | 624 |
| Provincial | |
| Overall | 1967 |
| Gender | 1616 |
| Age group | 274 |
| Gender/Age | 206 |
| Regional | |
| Overall | 388 |
| Gender | 295 |
| Age group | 70 |
| Gender/Age | 51 |
Rankings (Standard)
| National | |
| Overall | 5430 |
| Gender | 4403 |
| Age group | 838 |
| Gender/Age | 598 |
| Provincial | |
| Overall | 1938 |
| Gender | 1574 |
| Age group | 282 |
| Gender/Age | 212 |
| Regional | |
| Overall | 364 |
| Gender | 273 |
| Age group | 63 |
| Gender/Age | 46 |
Rankings (Rapid)
| National | |
| Overall | 1427 |
| Gender | 1205 |
| Age group | 267 |
| Gender/Age | 197 |
| Provincial | |
| Overall | 300 |
| Gender | 247 |
| Age group | 53 |
| Gender/Age | 36 |
| Regional | |
| Overall | 95 |
| Gender | 69 |
| Age group | 25 |
| Gender/Age | 19 |
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 | 34 |
| Score | 20 |
| Percent | 58.8 |
| Aor | 1298.1 |
| Dp | 75 |
| Prat | 1373.1 |
Performance (12 months)
| Games | 44 |
| Score | 24 |
| Percent | 54.5 |
| Aor | 1292 |
| Dp | 38.6 |
| Prat | 1330.6 |
Performance (History)
| Games | 124 |
| Score | 66 |
| Percent | 53.2 |
| Aor | 1251.8 |
| Dp | 27.4 |
| Prat | 1279.2 |
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 | Theron, F (Francois) | 4 | 3 | 1 | Benoni Primary School Cluster Individuals 2024 (U11 Boys) | Ekurhuleni Trial 4 2025 (E) | Details |
| Overall | 3 | Motloung, R (Relebohile) | 4 | 1 | 3 | East Rand Chess Club Open 2025 (C) | 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 | Hattingh, B (Ben) | 3 | 1 | 2 | Ekurhuleni Trails 2 2024 (U12) | Ekurhuleni 3rd Trials 2026 (F) | 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 | Hattingh, B (Ben) | 3 | 1 | 2 | Ekurhuleni Trails 2 2024 (U12) | Ekurhuleni 3rd Trials 2026 (F) | Details |
| Standard | 4 | Kanji, T (Tahil) | 2 | 0 | 2 | Ekurhuleni 3rd Standard Tournament 2026 (D) | Ekurhuleni 3rd Trials 2026 (F) | Details |
| Standard | 5 | Shaik, H (Haneef) | 2 | 0 | 2 | 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 |
| Rapid | 3 | Roos, M (Marnitz) | 2 | 0 | 2 | Benoni Cluster Laerskole Teams Mix 2026 (U13) | EN Teams 2026 (U13) | Details |