PLAYER PAGE
Johnro Pretorius
1150141570Ekurhuleni (GE)Personal
Main rating
| Rating | 1271.2 |
| K-factor | 36 |
| Floor | 771.2 |
| Highest | 1271.2 (2025-09-01) |
| Min/Max +/- allowed | 150 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1271.2 |
| K-factor | 36 |
| Floor | 771.2 |
| Highest | 1271.2 (2025-09-01) |
| Min/Max +/- allowed | 149.8 |
Standard rating
| Rating | 1235.9 |
| K-factor | 36 |
| Floor | 735.9 |
| Highest | 1235.9 (2025-09-01) |
| Min/Max +/- allowed | 157.6 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1235.9 |
| K-factor | 36 |
| Floor | 735.9 |
| Highest | 1235.9 (2025-09-01) |
| Min/Max +/- allowed | 157.6 |
Rapid rating
| Rating | 1268.8 |
| K-factor | 36 |
| Floor | 768.8 |
| Highest | 1268.8 (2025-06-01) |
| Min/Max +/- allowed | 150.3 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1268.8 |
| K-factor | 36 |
| Floor | 768.8 |
| Highest | 1268.8 (2025-06-01) |
| Min/Max +/- allowed | 150.3 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| 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 (2018-10-01) |
| 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 | 2025 Tshwane South School District CLOSED League Championship (U11A) | Standard | 2025-08-15 | 2025-08-15 | Tshwane (GTP) | 5 | 1267.4 | 5 | 2 | 1282.9 | 0 | Details |
| 2 | RMS Rapid Chess Open 31 May 2025 (U11) | Rapid | 2025-05-31 | 2025-05-31 | Sedibeng (GSV) | 6 | 1189 | 6 | 5 | 1563.8 | 0 | Details |
| 3 | 2025 Tshwane South School District Individual Finals (D4) (U11 Boys) | Standard | 2025-05-10 | 2025-05-10 | Tshwane (GTP) | 5 | 1189 | 5 | 2.5 | 1302.4 | 0 | Details |
| 4 | RMS Swiss For Rating of Players 2022 (U9) | Rapid | 2022-05-28 | 2022-05-28 | Ekurhuleni (GE) | 7 | 1200 | 1 | 0 | 775 | 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 | 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 (History)
| Games | 17 |
| Wins | 9 |
| Draws | 1 |
| Losses | 7 |
| White | 7 |
| Black | 10 |
| White wins | 4 |
| Black wins | 5 |
| Score | 9.5 |
| Percent | 55.9 |
| Dp | 50 |
| AOR | 1307.9 |
| Performance | 1357.9 |
Rankings (Main)
| National | |
| Overall | 7217 |
| Gender | 5915 |
| Age group | 708 |
| Gender/Age | 555 |
| Provincial | |
| Overall | 2466 |
| Gender | 2007 |
| Age group | 248 |
| Gender/Age | 197 |
| Regional | |
| Overall | 526 |
| Gender | 404 |
| Age group | 49 |
| Gender/Age | 37 |
Rankings (Standard)
| National | |
| Overall | 7890 |
| Gender | 6288 |
| Age group | 865 |
| Gender/Age | 666 |
| Provincial | |
| Overall | 2844 |
| Gender | 2249 |
| Age group | 321 |
| Gender/Age | 253 |
| Regional | |
| Overall | 581 |
| Gender | 428 |
| Age group | 63 |
| Gender/Age | 43 |
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 | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (12 months)
| Games | 16 |
| Score | 9.5 |
| Percent | 59.4 |
| Aor | 1314.7 |
| Dp | 79.7 |
| Prat | 1394.3 |
Performance (History)
| Games | 17 |
| Score | 9.5 |
| Percent | 55.9 |
| Aor | 1307.9 |
| Dp | 50 |
| Prat | 1357.9 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Koenig, L (Liam) | 2 | 1 | 1 | RMS Rapid Chess Open 31 May 2025 (U11) | RMS Rapid Chess Open 31 May 2025 (U11) | Details |
| Overall | 2 | Du Bruyn, J (Juan) | 2 | 1 | 1 | RMS Rapid Chess Open 31 May 2025 (U11) | RMS Rapid Chess Open 31 May 2025 (U11) | Details |
| Overall | 3 | Rossouw, L (Lience) | 2 | 1 | 1 | RMS Rapid Chess Open 31 May 2025 (U11) | RMS Rapid Chess Open 31 May 2025 (U11) | Details |
| Rapid | 1 | Koenig, L (Liam) | 2 | 1 | 1 | RMS Rapid Chess Open 31 May 2025 (U11) | RMS Rapid Chess Open 31 May 2025 (U11) | Details |
| Rapid | 2 | Du Bruyn, J (Juan) | 2 | 1 | 1 | RMS Rapid Chess Open 31 May 2025 (U11) | RMS Rapid Chess Open 31 May 2025 (U11) | Details |
| Rapid | 3 | Rossouw, L (Lience) | 2 | 1 | 1 | RMS Rapid Chess Open 31 May 2025 (U11) | RMS Rapid Chess Open 31 May 2025 (U11) | Details |