PLAYER PAGE
Roelof Oberholster
1110330896ZF Mgcawu (NZF)Personal
Main rating
| Rating | 1175.5 |
| K-factor | 36 |
| Floor | 727.1 |
| Highest | 1227.1 (2026-02-28) |
| Min/Max +/- allowed | 160 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1143.6 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1175.5 |
| K-factor | 36 |
| Floor | 727.1 |
| Highest | 1227.1 (2026-02-28) |
| Min/Max +/- allowed | 159.5 |
Standard rating
| Rating | 1163.6 |
| K-factor | 36 |
| Floor | 712.8 |
| Highest | 1212.8 (2026-02-28) |
| Min/Max +/- allowed | 162.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1163.6 |
| K-factor | 36 |
| Floor | 712.8 |
| Highest | 1212.8 (2026-02-28) |
| Min/Max +/- allowed | 162.8 |
Rapid rating
| Rating | 1221.6 |
| K-factor | 36 |
| Floor | 721.6 |
| Highest | 1221.6 (2026-02-28) |
| Min/Max +/- allowed | 160.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1221.6 |
| K-factor | 36 |
| Floor | 721.6 |
| Highest | 1221.6 (2026-02-28) |
| Min/Max +/- allowed | 160.8 |
Blitz rating
| Rating | 1200 |
| K-factor | 40 |
| Floor | 700 |
| Highest | 1199 (2026-02-06) |
| Min/Max +/- allowed | 166.1 |
| 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 | 40 |
| Floor | 700 |
| Highest | 1199 (2026-02-06) |
| Min/Max +/- allowed | 166.1 |
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 | Inter Regional Chess Championship 2026 (Individual U16) | Standard | 2026-05-22 | 2026-05-23 | Mangaung (FMB) | 5 | 1190 | 5 | 2 | 1115.9 | -14.5 | Details |
| 2 | 2026 Northern Cape Open Chess Championship (B) | Standard | 2026-04-17 | 2026-04-19 | Frances Baard (NCF) | 7 | 1227.1 | 7 | 2 | 1080.5 | -42.3 | Details |
| 3 | HS Keimoes 2026 (U16) | Standard | 2026-03-21 | 2026-03-21 | ZF Mgcawu (NZF) | 5 | 1227.1 | 4 | 2 | 1264.6 | 5.2 | Details |
| 4 | Grey College Team Championship 2026 (B) | Standard | 2026-02-20 | 2026-02-21 | Mangaung (FMB) | 5 | 1200 | 5 | 3 | 1262.9 | 5.5 | Details |
| 5 | 2025 Veltie Royal Chess tournament (B) | Rapid | 2026-01-31 | 2026-01-31 | ZF Mgcawu (NZF) | 5 | 1200 | 5 | 3 | 1283.4 | 4.3 | 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 | 26 |
| Wins | 12 |
| Draws | 0 |
| Losses | 14 |
| White | 14 |
| Black | 12 |
| White wins | 5 |
| Black wins | 7 |
| Score | 12 |
| Percent | 46.2 |
| Dp | -32.7 |
| AOR | 1222.4 |
| Performance | 1189.7 |
Game statistics (History)
| Games | 26 |
| Wins | 12 |
| Draws | 0 |
| Losses | 14 |
| White | 14 |
| Black | 12 |
| White wins | 5 |
| Black wins | 7 |
| Score | 12 |
| Percent | 46.2 |
| Dp | -32.7 |
| AOR | 1222.4 |
| Performance | 1189.7 |
Rankings (Main)
| National | |
| Overall | 16188 |
| Gender | 12412 |
| Age group | 3019 |
| Gender/Age | 2254 |
| Provincial | |
| Overall | 554 |
| Gender | 442 |
| Age group | 106 |
| Gender/Age | 82 |
| Regional | |
| Overall | 67 |
| Gender | 58 |
| Age group | 9 |
| Gender/Age | 8 |
Rankings (Standard)
| National | |
| Overall | 12652 |
| Gender | 9535 |
| Age group | 2285 |
| Gender/Age | 1684 |
| Provincial | |
| Overall | 518 |
| Gender | 407 |
| Age group | 102 |
| Gender/Age | 79 |
| Regional | |
| Overall | 68 |
| Gender | 59 |
| Age group | 9 |
| Gender/Age | 8 |
Rankings (Rapid)
| 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 |
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 | 26 |
| Score | 12 |
| Percent | 46.2 |
| Aor | 1222.4 |
| Dp | -32.7 |
| Prat | 1189.7 |
Performance (12 months)
| Games | 26 |
| Score | 12 |
| Percent | 46.2 |
| Aor | 1222.4 |
| Dp | -32.7 |
| Prat | 1189.7 |
Performance (History)
| Games | 26 |
| Score | 12 |
| Percent | 46.2 |
| Aor | 1222.4 |
| Dp | -32.7 |
| Prat | 1189.7 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Abrahams, E (Elzania) | 3 | 2 | 1 | HS Keimoes 2026 (U16) | Inter Regional Chess Championship 2026 (Individual U16) | Details |
| Overall | 2 | Cornelissen, D (Daniel) | 2 | 0 | 2 | 2025 Veltie Royal Chess tournament (B) | HS Keimoes 2026 (U16) | Details |
| Overall | 3 | Engelbrecht, K (Karo) | 2 | 2 | 0 | 2025 Veltie Royal Chess tournament (B) | Grey College Team Championship 2026 (B) | Details |
| Overall | 4 | Crafford, C (Christiaan) | 2 | 0 | 2 | 2025 Veltie Royal Chess tournament (B) | 2026 Northern Cape Open Chess Championship (B) | Details |
| Standard | 1 | Abrahams, E (Elzania) | 3 | 2 | 1 | HS Keimoes 2026 (U16) | Inter Regional Chess Championship 2026 (Individual U16) | Details |