PLAYER PAGE
Antonio Joubert
106091562Overberg (WOS)Personal
Main rating
| Rating | 1187.9 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-02-01) |
| Min/Max +/- allowed | 166 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 758.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1187.9 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-02-01) |
| Min/Max +/- allowed | 165.8 |
Standard rating
| Rating | 1158.4 |
| 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 | 701.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1158.4 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Rapid rating
| Rating | 1202.9 |
| K-factor | 36 |
| Floor | 702.9 |
| Highest | 1202.9 (2025-09-30) |
| Min/Max +/- allowed | 165.1 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1202.9 |
| K-factor | 36 |
| Floor | 702.9 |
| Highest | 1202.9 (2025-09-30) |
| Min/Max +/- allowed | 165.1 |
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 | Overberg Club Championship 2025 | Rapid | 2025-09-13 | 2025-09-13 | Overberg (WOS) | 7 | 1181.3 | 2 | 1 | 1329.5 | 0 | Details |
| 2 | Overberg High Schools Trails 2023 (U17) | Rapid | 2023-02-24 | 2023-02-24 | Overberg (WOS) | 5 | 1176.3 | 5 | 2.5 | 1224.9 | 0 | Details |
| 3 | Western Cape Top Schools 2022 (U18 Mix) | Standard | 2022-09-16 | 2022-09-17 | Overberg (WOS) | 5 | 1138.5 | 5 | 3 | 1340.3 | 0 | Details |
| 4 | Overberg Topskole 2022 (O18) | Standard | 2022-08-30 | 2022-08-30 | Overberg (WOS) | 5 | 1175.4 | 4 | 1 | 937.7 | 0 | Details |
| 5 | Overberg Schools Trials 2021 (U15+U18 Boys) | Rapid | 2021-09-18 | 2021-09-18 | Overberg (WOS) | 5 | 1155.7 | 5 | 3 | 1289.1 | 0 | Details |
| 6 | OCF Club Champs 2021 (Seniors) | Standard | 2021-06-05 | 2021-08-14 | Overberg (WOS) | 10 | 1131.8 | 10 | 4 | 1185.9 | 0 | Details |
| 7 | Kleinmond Open 2021 (U16) | Standard | 2021-04-17 | 2021-04-17 | Overberg (WOS) | 5 | 1080 | 5 | 3 | 1338.6 | 0 | Details |
| 8 | OCF Roadshow 2020 (Seniors) | Standard | 2020-11-21 | 2020-11-21 | Overberg (WOS) | 5 | 1125.8 | 5 | 1 | 883 | 0 | Details |
| 9 | Overberg Closed 2020 (U15 Boys) | Standard | 2020-03-15 | 2020-03-15 | Overberg (WOS) | 5 | 1130.1 | 5 | 2 | 1116.5 | 0 | Details |
| 10 | OCF Chess Tournament 2 2020 (Open) | Standard | 2020-02-01 | 2020-02-01 | Overberg (WOS) | 5 | 1096.2 | 5 | 3 | 1262.7 | 0 | Details |
| 11 | Bontebok 2019 (U14) | Standard | 2019-09-17 | 2019-09-17 | Overberg (WOS) | 5 | 1052.4 | 5 | 3 | 1274.2 | 0 | Details |
| 12 | Overberg Top Schools 2019 (U13) | Standard | 2019-07-20 | 2019-07-20 | Overberg (WOS) | 5 | 1104.5 | 5 | 1 | 846.5 | 0 | Details |
| 13 | Overberg School Chess Close Champs 2019 (U13 Boys) | Standard | 2019-03-08 | 2019-03-09 | Overberg (WOS) | 6 | 1160.9 | 6 | 2 | 919.1 | 0 | Details |
| 14 | VRT Pitt Open 2018 (U14) | Rapid | 2018-06-02 | 2018-06-02 | Overberg (WOS) | 6 | 1200 | 6 | 2 | 968.8 | 0 | Details |
| 15 | Bontebok Vrt Pitt Skaak Ope 2017 (U12) | Rapid | 2017-06-03 | 2017-06-03 | Overberg (WOS) | 5 | 0 | 5 | 2 | 500 | 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 | 73 |
| Wins | 31 |
| Draws | 1 |
| Losses | 41 |
| White | 35 |
| Black | 38 |
| White wins | 14 |
| Black wins | 17 |
| Score | 31.5 |
| Percent | 43.2 |
| Dp | -58.2 |
| AOR | 1188 |
| Performance | 1129.8 |
Rankings (Main)
| 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 (Standard)
| 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 (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 | 2 |
| Score | 1 |
| Percent | 50 |
| Aor | 1329.5 |
| Dp | 0 |
| Prat | 1329.5 |
Performance (History)
| Games | 73 |
| Score | 31.5 |
| Percent | 43.2 |
| Aor | 1188 |
| Dp | -58.2 |
| Prat | 1129.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Crookes, J (Jonas) | 4 | 3 | 1 | OCF Chess Tournament 2 2020 (Open) | OCF Club Champs 2021 (Seniors) | Details |
| Overall | 2 | Pekeur, A (Amy) | 3 | 3 | 0 | VRT Pitt Open 2018 (U14) | OCF Roadshow 2020 (Seniors) | Details |
| Overall | 3 | Pekeur, W (Warren) | 3 | 2 | 1 | Overberg Closed 2020 (U15 Boys) | Kleinmond Open 2021 (U16) | Details |
| Overall | 4 | Jonas, SG (Sue-Win Gurshlin) | 2 | 2 | 0 | Overberg Top Schools 2019 (U13) | Overberg High Schools Trails 2023 (U17) | Details |
| Overall | 5 | Waldeck, S (Stanvil) | 2 | 1 | 1 | Overberg School Chess Close Champs 2019 (U13 Boys) | Kleinmond Open 2021 (U16) | Details |
| Standard | 1 | Crookes, J (Jonas) | 4 | 3 | 1 | OCF Chess Tournament 2 2020 (Open) | OCF Club Champs 2021 (Seniors) | Details |
| Standard | 2 | Pekeur, W (Warren) | 3 | 2 | 1 | Overberg Closed 2020 (U15 Boys) | Kleinmond Open 2021 (U16) | Details |
| Standard | 3 | Witbooi, J (Juan) | 2 | 2 | 0 | Overberg School Chess Close Champs 2019 (U13 Boys) | Bontebok 2019 (U14) | Details |
| Standard | 4 | Opperman, E (Eldon) | 2 | 1 | 1 | Overberg School Chess Close Champs 2019 (U13 Boys) | Overberg Closed 2020 (U15 Boys) | Details |
| Standard | 5 | Higham, E (Ethan) | 2 | 1 | 1 | OCF Roadshow 2020 (Seniors) | Kleinmond Open 2021 (U16) | Details |