PLAYER PAGE
Ilya Booysen
2150303249Cape Winelands (WCW)Personal
Main rating
| Rating | 1205.3 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1205.3 (2026-02-28) |
| Min/Max +/- allowed | 165 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1207.6 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1205.3 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1205.3 (2026-02-28) |
| Min/Max +/- allowed | 164.6 |
Standard rating
| Rating | 1151.4 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-05-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1158 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1151.4 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-05-01) |
| Min/Max +/- allowed | 165.8 |
Rapid rating
| Rating | 1168.7 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-05-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1059.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1168.7 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-05-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-05-01) |
| 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 (2024-05-01) |
| 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 | Cape Winelands Schools - Primary Schools Trials 1 2026 (U11 Girls) | Standard | 2026-02-14 | 2026-02-14 | Cape Winelands (WCW) | 5 | 1107.8 | 5 | 3.5 | 1394.5 | 0 | Details |
| 2 | Marie Delport Memorial 2026 (U12 Girls) | Standard | 2026-01-31 | 2026-01-31 | Cape Winelands (WCW) | 5 | 1107.8 | 5 | 2.5 | 1270.5 | 0 | Details |
| 3 | WCSC Brian Raubenheimer Development 2025 (U11 Girls) | Rapid | 2025-11-29 | 2025-11-29 | Cape Winelands (WCW) | 5 | 1117.4 | 5 | 2 | 1139.5 | 0 | Details |
| 4 | Worcester Schools Knock-Out 2025 (U11 Girls) | Rapid | 2025-10-18 | 2025-10-18 | Cape Winelands (WCW) | 6 | 1128.9 | 5 | 2 | 1171.3 | 0 | Details |
| 5 | Worcester Library - Holiday Oct 2025 | Standard | 2025-10-08 | 2025-10-08 | Cape Winelands (WCW) | 5 | 1128.9 | 4 | 0 | 879.6 | 0 | Details |
| 6 | Worcester Chess Club 2025 | Standard | 2025-10-07 | 2025-10-07 | Cape Winelands (WCW) | 5 | 1128.9 | 4 | 0.5 | 991.5 | 0 | Details |
| 7 | De Villiers PS 2025 (U12 Girls) | Rapid | 2025-08-16 | 2025-08-16 | Cape Winelands (WCW) | 5 | 1139.7 | 5 | 0 | 870.4 | 0 | Details |
| 8 | Cape Winelands Schools Development 2025 (U11 Girls) | Rapid | 2025-08-02 | 2025-08-02 | Cape Winelands (WCW) | 5 | 1139.7 | 5 | 3 | 1253.2 | 0 | Details |
| 9 | Cape Winelands Schools - Trials 1 2025 (U11 Girls) | Standard | 2025-02-22 | 2025-02-22 | Cape Winelands (WCW) | 5 | 1137.2 | 5 | 1.5 | 1080.1 | 0 | Details |
| 10 | Worcester Knock-Out 2024 (U9 Girls) | Rapid | 2024-10-19 | 2024-10-19 | Cape Winelands (WCW) | 6 | 1061.6 | 5 | 2 | 1174.9 | 0 | Details |
| 11 | Strategema Chess October 2024 (U9) | Standard | 2024-10-05 | 2024-10-05 | Cape Winelands (WCW) | 5 | 1061.6 | 5 | 1.5 | 1031.5 | 0 | Details |
| 12 | Akkertjies Invitational 2024 (U11 Girls) | Standard | 2024-09-14 | 2024-09-14 | Cape Winelands (WCW) | 5 | 1078.5 | 4 | 1 | 972.2 | 0 | Details |
| 13 | De Villiers PS Tournament 2024 (U10) | Standard | 2024-08-17 | 2024-08-17 | Cape Winelands (WCW) | 5 | 1162.2 | 5 | 0 | 741.1 | 0 | Details |
| 14 | Worcester PS League 2024 (U11) | Standard | 2024-04-27 | 2024-04-27 | Cape Winelands (WCW) | 5 | 1200 | 2 | 0 | 715.5 | 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 | 10 |
| Wins | 5 |
| Draws | 2 |
| Losses | 3 |
| White | 4 |
| Black | 6 |
| White wins | 2 |
| Black wins | 3 |
| Score | 6 |
| Percent | 60 |
| Dp | 85 |
| AOR | 1247.5 |
| Performance | 1332.5 |
Game statistics (History)
| Games | 64 |
| Wins | 16 |
| Draws | 7 |
| Losses | 41 |
| White | 32 |
| Black | 32 |
| White wins | 9 |
| Black wins | 7 |
| Score | 19.5 |
| Percent | 30.5 |
| Dp | -166 |
| AOR | 1235.4 |
| Performance | 1069.4 |
Rankings (Main)
| National | |
| Overall | 12148 |
| Gender | 2565 |
| Age group | 1498 |
| Gender/Age | 371 |
| Provincial | |
| Overall | 3480 |
| Gender | 816 |
| Age group | 486 |
| Gender/Age | 141 |
| Regional | |
| Overall | 522 |
| Gender | 144 |
| Age group | 69 |
| Gender/Age | 21 |
Rankings (Standard)
| National | |
| Overall | 12807 |
| Gender | 3179 |
| Age group | 1764 |
| Gender/Age | 510 |
| Provincial | |
| Overall | 3646 |
| Gender | 1026 |
| Age group | 578 |
| Gender/Age | 201 |
| Regional | |
| Overall | 574 |
| Gender | 184 |
| Age group | 100 |
| Gender/Age | 37 |
Rankings (Rapid)
| National | |
| Overall | 5463 |
| Gender | 1344 |
| Age group | 863 |
| Gender/Age | 249 |
| Provincial | |
| Overall | 2175 |
| Gender | 564 |
| Age group | 368 |
| Gender/Age | 113 |
| Regional | |
| Overall | 297 |
| Gender | 89 |
| Age group | 46 |
| 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 | 10 |
| Score | 6 |
| Percent | 60 |
| Aor | 1247.5 |
| Dp | 85 |
| Prat | 1332.5 |
Performance (12 months)
| Games | 38 |
| Score | 13.5 |
| Percent | 35.5 |
| Aor | 1254.1 |
| Dp | -123 |
| Prat | 1131.1 |
Performance (History)
| Games | 64 |
| Score | 19.5 |
| Percent | 30.5 |
| Aor | 1235.4 |
| Dp | -166 |
| Prat | 1069.4 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Baadjies, Q (Qiana) | 6 | 3 | 3 | De Villiers PS Tournament 2024 (U10) | Marie Delport Memorial 2026 (U12 Girls) | Details |
| Overall | 2 | Africa, F (Faithlynn) | 4 | 0 | 4 | Worcester Knock-Out 2024 (U9 Girls) | Worcester Schools Knock-Out 2025 (U11 Girls) | Details |
| Overall | 3 | Fortuin, P (Pearl) | 3 | 1 | 2 | De Villiers PS Tournament 2024 (U10) | Cape Winelands Schools - Primary Schools Trials 1 2026 (U11 Girls) | Details |
| Overall | 4 | Visser, A (Amiera) | 3 | 1 | 2 | De Villiers PS Tournament 2024 (U10) | Worcester Schools Knock-Out 2025 (U11 Girls) | Details |
| Overall | 5 | Du Toit, S (Shanika) | 3 | 2 | 1 | Worcester Knock-Out 2024 (U9 Girls) | Worcester Schools Knock-Out 2025 (U11 Girls) | Details |
| Standard | 1 | Baadjies, Q (Qiana) | 4 | 2 | 2 | De Villiers PS Tournament 2024 (U10) | Marie Delport Memorial 2026 (U12 Girls) | Details |
| Standard | 2 | Van Der Westhuizen, L (Linli) | 3 | 1 | 2 | Akkertjies Invitational 2024 (U11 Girls) | Worcester Library - Holiday Oct 2025 | Details |
| Standard | 3 | Venter, A (Andrea) | 2 | 2 | 0 | Cape Winelands Schools - Trials 1 2025 (U11 Girls) | Marie Delport Memorial 2026 (U12 Girls) | Details |
| Standard | 4 | Sedan, A (Abubacker) | 2 | 2 | 0 | Worcester Chess Club 2025 | Worcester Library - Holiday Oct 2025 | Details |
| Standard | 5 | Nell, C (Clarisse) | 2 | 1 | 1 | Cape Winelands Schools - Trials 1 2025 (U11 Girls) | Cape Winelands Schools - Primary Schools Trials 1 2026 (U11 Girls) | Details |
| Rapid | 1 | Africa, F (Faithlynn) | 4 | 0 | 4 | Worcester Knock-Out 2024 (U9 Girls) | Worcester Schools Knock-Out 2025 (U11 Girls) | Details |
| Rapid | 2 | Du Toit, S (Shanika) | 3 | 2 | 1 | Worcester Knock-Out 2024 (U9 Girls) | Worcester Schools Knock-Out 2025 (U11 Girls) | Details |
| Rapid | 3 | Visser, A (Amiera) | 2 | 1 | 1 | Cape Winelands Schools Development 2025 (U11 Girls) | Worcester Schools Knock-Out 2025 (U11 Girls) | Details |
| Rapid | 4 | Baadjies, Q (Qiana) | 2 | 1 | 1 | De Villiers PS 2025 (U12 Girls) | Worcester Schools Knock-Out 2025 (U11 Girls) | Details |