PLAYER PAGE
Roelof Oberholster
1110330896ZF Mgcawu (NZF)Personal
Main rating
| Rating | 1120.7 |
| K-factor | 36 |
| Floor | 727.1 |
| Highest | 1227.1 (2026-02-28) |
| Min/Max +/- allowed | 160 |
| Rating Change () | |
| Games | 5 |
| Score | 3 |
| We | 1.39 |
| SWe | 1.35 |
| Temp +/- | 48.5 |
| Penalties | 0 |
| Weight perform | 1128.9 |
| Final +/- | +48.5 |
| New Rating () | |
| Rating | 1169.2 |
| K-factor | 36 |
| Floor | 727.1 |
| Highest | 1227.1 (2026-02-28) |
| Min/Max +/- allowed | 159.5 |
Standard rating
| Rating | 1107.2 |
| K-factor | 36 |
| Floor | 712.8 |
| Highest | 1212.8 (2026-02-28) |
| Min/Max +/- allowed | 162.8 |
| Rating Change () | |
| Games | 5 |
| Score | 3 |
| We | 1.28 |
| SWe | 1.72 |
| Temp +/- | 61.9 |
| Penalties | 0 |
| Weight perform | 1128.9 |
| Final +/- | +61.9 |
| New Rating () | |
| Rating | 1169 |
| 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 |
| 1 | 2026 Veltie Royal Chess Tournament 2 (B) | Standard | 2026-10-23 | 2026-10-24 | ZF Mgcawu (NZF) | 5 | 1120.7 | 5 | 3 | 1388.5 | 48.5 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Northern Cape Closed 2026 (U16 Open) | Standard | 2026-08-21 | 2026-08-22 | ZF Mgcawu (NZF) | 5 | 1120.7 | 5 | 1 | 908.1 | -54.8 | Details |
| 2 | 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 |
| 3 | 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 |
| 4 | HS Keimoes 2026 (U16) | Standard | 2026-03-21 | 2026-03-21 | ZF Mgcawu (NZF) | 5 | 1227.1 | 4 | 2 | 1264.6 | 5.2 | Details |
| 5 | Grey College Team Championship 2026 (B) | Standard | 2026-02-20 | 2026-02-21 | Mangaung (FMB) | 5 | 1200 | 5 | 3 | 1262.9 | 5.5 | Details |
| 6 | 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 | 5 |
| Wins | 3 |
| Draws | 0 |
| Losses | 2 |
| White | 2 |
| Black | 3 |
| White wins | 1 |
| Black wins | 2 |
| Score | 3 |
| Percent | 60 |
| Dp | 85 |
| AOR | 1303.5 |
| Performance | 1388.5 |
Game statistics ()
| Games | 36 |
| Wins | 16 |
| Draws | 0 |
| Losses | 20 |
| White | 19 |
| Black | 17 |
| White wins | 7 |
| Black wins | 9 |
| Score | 16 |
| Percent | 44.4 |
| Dp | -47.2 |
| AOR | 1225.4 |
| Performance | 1178.2 |
Game statistics (History)
| Games | 36 |
| Wins | 16 |
| Draws | 0 |
| Losses | 20 |
| White | 19 |
| Black | 17 |
| White wins | 7 |
| Black wins | 9 |
| Score | 16 |
| Percent | 44.4 |
| Dp | -47.2 |
| AOR | 1225.4 |
| Performance | 1178.2 |
Rankings (Main)
| National | |
| Overall | 17491 |
| Gender | 13061 |
| Age group | 3116 |
| Gender/Age | 2285 |
| Provincial | |
| Overall | 597 |
| Gender | 461 |
| Age group | 122 |
| Gender/Age | 96 |
| Regional | |
| Overall | 64 |
| Gender | 52 |
| Age group | 10 |
| Gender/Age | 9 |
Rankings (Standard)
| National | |
| Overall | 13240 |
| Gender | 9761 |
| Age group | 2305 |
| Gender/Age | 1674 |
| Provincial | |
| Overall | 540 |
| Gender | 414 |
| Age group | 112 |
| Gender/Age | 88 |
| Regional | |
| Overall | 65 |
| Gender | 53 |
| Age group | 10 |
| Gender/Age | 9 |
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 | 31 |
| Score | 13 |
| Percent | 41.9 |
| Aor | 1212.9 |
| Dp | -68.5 |
| Prat | 1144.3 |
Performance (12 months)
| Games | 31 |
| Score | 13 |
| Percent | 41.9 |
| Aor | 1212.9 |
| Dp | -68.5 |
| Prat | 1144.3 |
Performance (History)
| Games | 31 |
| Score | 13 |
| Percent | 41.9 |
| Aor | 1212.9 |
| Dp | -68.5 |
| Prat | 1144.3 |
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 | Engelbrecht, K (Karo) | 2 | 2 | 0 | 2025 Veltie Royal Chess tournament (B) | Grey College Team Championship 2026 (B) | Details |
| Overall | 3 | Cornelissen, D (Daniel) | 2 | 0 | 2 | 2025 Veltie Royal Chess tournament (B) | HS Keimoes 2026 (U16) | Details |
| Overall | 4 | Moyo, L (Lucas) | 2 | 2 | 0 | Inter Regional Chess Championship 2026 (Individual U16) | Northern Cape Closed 2026 (U16 Open) | Details |
| Overall | 5 | 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 |
| Standard | 2 | Moyo, L (Lucas) | 2 | 2 | 0 | Inter Regional Chess Championship 2026 (Individual U16) | Northern Cape Closed 2026 (U16 Open) | Details |