PLAYER PAGE
Maria Margaretha (Aretha) Dreyer
2120112736Tshwane (GTP)Personal
Main rating
| Rating | 1153.5 |
| K-factor | 36 |
| Floor | 714.9 |
| Highest | 1286.6 (2019-02-01) |
| Min/Max +/- allowed | 147 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 834.6 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1153.5 |
| K-factor | 36 |
| Floor | 714.9 |
| Highest | 1286.6 (2019-02-01) |
| Min/Max +/- allowed | 146.6 |
Standard rating
| Rating | 1157.5 |
| K-factor | 36 |
| Floor | 718 |
| Highest | 1285.9 (2019-02-01) |
| Min/Max +/- allowed | 146.7 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 834.6 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1157.5 |
| K-factor | 36 |
| Floor | 718 |
| Highest | 1285.9 (2019-02-01) |
| Min/Max +/- allowed | 146.7 |
Rapid 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 |
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 | 2023 Tshwane North School District CLOSED League Championships (D3) | Standard | 2023-08-12 | 2023-08-12 | Tshwane (GTP) | 3 | 1176.2 | 2 | 0 | 846 | 0 | Details |
| 2 | 2023 Tshwane North School District CLOSED Individual Championships (D3) | Standard | 2023-05-13 | 2023-05-13 | Tshwane (GTP) | 5 | 1107.5 | 5 | 3 | 1263.1 | 0 | Details |
| 3 | Gauteng Schools Individual Finals 2023 (U11 Girls) | Standard | 2023-05-26 | 2023-05-26 | Ekurhuleni (GE) | 5 | 1107.5 | 5 | 3 | 1327.3 | 0 | Details |
| 4 | 2022 Gauteng Schools Team Championships (U11 Open) | Standard | 2022-08-27 | 2022-08-27 | Tshwane (GTP) | 5 | 1103.6 | 5 | 2 | 1122.5 | 0 | Details |
| 5 | 2022 D3 Cluster City Schools (U11) | Standard | 2022-04-23 | 2022-04-23 | Tshwane (GTP) | 5 | 1119.1 | 5 | 1.5 | 1037.6 | 0 | Details |
| 6 | CP Ope 2022 (D1) | Standard | 2022-02-19 | 2022-02-19 | Tshwane (GTP) | 5 | 1128.4 | 5 | 2 | 1085.1 | 0 | Details |
| 7 | 2021 Lardies Ope (E) | Standard | 2021-10-30 | 2021-10-30 | Tshwane (GTP) | 5 | 1120.6 | 5 | 3 | 1180.4 | 0 | Details |
| 8 | 2021 D3 Individual (U13 Girls) | Standard | 2021-10-13 | 2021-10-13 | Tshwane (GTP) | 5 | 1120.6 | 5 | 2 | 1097.4 | 0 | Details |
| 9 | 2019 South African Junior Team Championships (U8B+U8Girls) | Classical | 2020-01-04 | 2020-01-08 | 4 Knights (4K) | 7 | 1117.7 | 6 | 3 | 1127.3 | 0 | Details |
| 10 | 2019 TC SAJCC Prep Tournament (C) | Standard | 2019-11-30 | 2019-11-30 | Tshwane (GTP) | 5 | 1150.6 | 4 | 1 | 916 | 0 | Details |
| 11 | 2019 Etienne Lewis Trials (U8 Girls) | Classical | 2019-08-30 | 2019-09-01 | Tshwane (GTP) | 7 | 1183.7 | 7 | 3 | 1065.9 | 0 | Details |
| 12 | 2019 Swartkop Open (F) | Standard | 2019-06-15 | 2019-06-15 | Tshwane (GTP) | 5 | 1133.2 | 5 | 4 | 1412.2 | 0 | Details |
| 13 | Wonderboom Interhuis 2019 (U9) | Standard | 2019-05-04 | 2019-05-22 | Tshwane (GTP) | 7 | 1144.3 | 7 | 3 | 1105.1 | 0 | Details |
| 14 | 2019 D3 Individuals (U9 Girls) | Standard | 2019-04-13 | 2019-04-13 | Tshwane (GTP) | 5 | 1214.9 | 5 | 1.5 | 931.8 | 0 | Details |
| 15 | 2019 Capablanca Chess Festival (Swiss F) | Standard | 2019-04-19 | 2019-04-19 | Tshwane (GTP) | 5 | 1214.9 | 4 | 1.5 | 1066.6 | 0 | Details |
| 16 | 2019 Constantia Park Open (F) | Standard | 2019-02-09 | 2019-02-09 | Tshwane (GTP) | 5 | 1200 | 5 | 3 | 1283.1 | 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 | 80 |
| Wins | 34 |
| Draws | 5 |
| Losses | 41 |
| White | 39 |
| Black | 41 |
| White wins | 19 |
| Black wins | 15 |
| Score | 36.5 |
| Percent | 45.6 |
| Dp | -37.2 |
| AOR | 1165.8 |
| Performance | 1128.6 |
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 | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (History)
| Games | 80 |
| Score | 36.5 |
| Percent | 45.6 |
| Aor | 1165.8 |
| Dp | -37.2 |
| Prat | 1128.6 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Jansen Van Vuuren, G (Gianni) | 3 | 1 | 2 | 2019 Constantia Park Open (F) | 2019 TC SAJCC Prep Tournament (C) | Details |
| Overall | 2 | Doyle, U (Uisce) | 3 | 1 | 2 | 2019 Swartkop Open (F) | 2019 TC SAJCC Prep Tournament (C) | Details |
| Overall | 3 | Theron, C (Carla) | 2 | 1 | 1 | 2019 Constantia Park Open (F) | 2019 Etienne Lewis Trials (U8 Girls) | Details |
| Overall | 4 | Erasmus, KA (Kean Andre) | 2 | 0 | 2 | 2019 Swartkop Open (F) | 2019 TC SAJCC Prep Tournament (C) | Details |
| Overall | 5 | De Swardt, M (Mieke) | 2 | 1 | 1 | 2019 Capablanca Chess Festival (Swiss F) | 2019 Etienne Lewis Trials (U8 Girls) | Details |
| Standard | 1 | Jansen Van Vuuren, G (Gianni) | 3 | 1 | 2 | 2019 Constantia Park Open (F) | 2019 TC SAJCC Prep Tournament (C) | Details |
| Standard | 2 | Doyle, U (Uisce) | 3 | 1 | 2 | 2019 Swartkop Open (F) | 2019 TC SAJCC Prep Tournament (C) | Details |
| Standard | 3 | Prinsloo, V (Veronique) | 2 | 1 | 1 | 2021 D3 Individual (U13 Girls) | 2023 Tshwane North School District CLOSED Individual Championships (D3) | Details |
| Standard | 4 | Gruenenfelder, E (Ellie) | 2 | 1 | 1 | 2019 Constantia Park Open (F) | 2019 Etienne Lewis Trials (U8 Girls) | Details |
| Standard | 5 | Theron, C (Carla) | 2 | 1 | 1 | 2019 Constantia Park Open (F) | 2019 Etienne Lewis Trials (U8 Girls) | Details |