PLAYER PAGE
Mari-Louise Steyn
2150134902Johannesburg Metro (GJM)Personal
Main rating
| Rating | 1296.6 |
| K-factor | 36 |
| Floor | 878.8 |
| Highest | 1378.8 (2025-01-01) |
| Min/Max +/- allowed | 129 |
| Rating Change () | |
| Games | 8 |
| Score | 2 |
| We | 2.36 |
| SWe | -0.36 |
| Temp +/- | -13.1 |
| Penalties | 0 |
| Weight perform | 1261.4 |
| Final +/- | -13.1 |
| New Rating () | |
| Rating | 1283.5 |
| K-factor | 36 |
| Floor | 878.8 |
| Highest | 1378.8 (2025-01-01) |
| Min/Max +/- allowed | 128.5 |
Standard rating
| Rating | 1294.4 |
| K-factor | 36 |
| Floor | 872.4 |
| Highest | 1372.4 (2025-01-01) |
| Min/Max +/- allowed | 129.7 |
| Rating Change () | |
| Games | 8 |
| Score | 2 |
| We | 2.36 |
| SWe | -0.36 |
| Temp +/- | -12.8 |
| Penalties | 0 |
| Weight perform | 1261.4 |
| Final +/- | -12.8 |
| New Rating () | |
| Rating | 1281.6 |
| K-factor | 36 |
| Floor | 872.4 |
| Highest | 1372.4 (2025-01-01) |
| Min/Max +/- allowed | 129.7 |
Rapid rating
| Rating | 1203.2 |
| K-factor | 36 |
| Floor | 703.2 |
| Highest | 1203.2 (2024-03-01) |
| 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 | 1203.2 |
| K-factor | 36 |
| Floor | 703.2 |
| Highest | 1203.2 (2024-03-01) |
| 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 |
| 1 | South African Junior Closed Chess Championship 2026 (U12 Girls) | Classical | 2026-03-28 | 2026-04-02 | Bojanala Platina (NBR) | 9 | 1296.6 | 8 | 2 | 1259.9 | -13.1 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | MCA Summer Heat Classic 2026 (Junior) | Standard | 2026-03-21 | 2026-03-21 | Johannesburg Metro (GJM) | 5 | 1281 | 5 | 2 | 1104.4 | -29.6 | Details |
| 2 | JMC Trinityhouse Little Falls (U12) | Standard | 2026-02-28 | 2026-02-28 | Johannesburg Metro (GJM) | 5 | 1281 | 5 | 3 | 1547.5 | 45.3 | Details |
| 3 | 2025 Mzansi Individual Championships (U12 Girls) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1286.6 | 6 | 2.5 | 1248.5 | -5.4 | Details |
| 4 | 2025 Mzansi Inter Provincial Team Championships (U12 Combined) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1286.6 | 6 | 2.5 | 1340.2 | 4.8 | Details |
| 5 | Gauteng Inter-Region at Emerald Resort 2025 (U12 Girls) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1286.6 | 4 | 2 | 1343.2 | 4.9 | Details |
| 6 | 2025 Gauteng Schools Provincial Individual Chess Championship (U11 Girls) | Standard | 2025-09-27 | 2025-09-27 | Tshwane (GTP) | 5 | 1290.3 | 5 | 3 | 1345.5 | 6.3 | Details |
| 7 | JMC Closed 2025 (U12) | Standard | 2025-08-09 | 2025-08-10 | Johannesburg Metro (GJM) | 5 | 1293.6 | 4 | 0.5 | 963.8 | -29.1 | Details |
| 8 | MCA Winter Chill Classic 2025 (Junior) | Standard | 2025-07-19 | 2025-07-19 | Johannesburg Metro (GJM) | 5 | 1292 | 5 | 2.5 | 1226 | -7.1 | Details |
| 9 | JMC Crawford Sandton 2025 (U12) | Standard | 2025-05-10 | 2025-05-10 | Johannesburg Metro (GJM) | 5 | 1317.2 | 5 | 1 | 1139.6 | -18.1 | Details |
| 10 | MCA Welcome 2025 (Intermediate) | Standard | 2025-02-15 | 2025-02-15 | Johannesburg Metro (GJM) | 5 | 1378.8 | 4 | 0 | 940.2 | -34.2 | Details |
| 11 | Gauteng Inter-Region at UJ 2024 (u10 gIRLS) | Standard | 2024-12-07 | 2024-12-08 | Johannesburg Metro (GJM) | 5 | 1288 | 5 | 5 | 1700.6 | 46.3 | Details |
| 12 | JMC Closed 2024 (U10) | Standard | 2024-08-09 | 2024-08-09 | Johannesburg Metro (GJM) | 5 | 1285.5 | 5 | 3 | 1292.8 | 0.2 | Details |
| 13 | JMC Trinityhouse Randpark Ridge 2024 (U10) | Standard | 2024-07-13 | 2024-07-13 | Johannesburg Metro (GJM) | 5 | 1277.5 | 4 | 2 | 1292 | 1.2 | Details |
| 14 | JMC Crawford International Sandton 2024 (U10) | Standard | 2024-05-11 | 2024-05-11 | Johannesburg Metro (GJM) | 5 | 1252.5 | 5 | 3 | 1387 | 13.8 | Details |
| 15 | JMC Unika School Tournament 2024 (U10) | Standard | 2024-03-02 | 2024-03-02 | Johannesburg Metro (GJM) | 5 | 1250.1 | 4 | 2 | 1268.1 | 1.3 | Details |
| 16 | 2024 Gauteng Inter-Region Chess Championship (U8+U10 Girls) | Standard | 2024-01-13 | 2024-01-14 | Tshwane (GTP) | 5 | 1167.5 | 5 | 5 | 1574.4 | 45.8 | Details |
| 17 | JMC Closed Aug 2023 (U10) | Standard | 2023-08-04 | 2023-08-06 | Johannesburg Metro (GJM) | 6 | 1199.6 | 6 | 2 | 1063.8 | -18 | Details |
| 18 | JMC Trinity Little Falls 2023 (U10) | Standard | 2023-07-02 | 2023-07-02 | Johannesburg Metro (GJM) | 5 | 1219.9 | 5 | 2 | 1079.4 | -11.3 | Details |
| 19 | 2023 South African Junior Closed Chess Championships (U8 Girls) | Classical | 2023-03-31 | 2023-04-04 | Chess South Africa (CSA) | 9 | 1199.7 | 9 | 4 | 1249.6 | 11.2 | Details |
| 20 | JNW Open - Crawford 2023 (U10) | Standard | 2023-03-04 | 2023-03-04 | Johannesburg Metro (GJM) | 5 | 1204.2 | 5 | 2 | 1185.1 | -1.2 | Details |
| 21 | JMC 1 St Peters 2023 (D) | Standard | 2023-03-18 | 2023-03-18 | Johannesburg Metro (GJM) | 5 | 1204.2 | 5 | 2.5 | 1200 | -1.2 | Details |
| 22 | 2022 South African Junior Wild Card Chess Championships (U8 Girls) | Classical | 2022-12-09 | 2022-12-12 | 4 Knights (4K) | 7 | 1196.3 | 7 | 3 | 1175.7 | -2.6 | Details |
| 23 | 2022 South African Junior Team Chess Championships (U8 Open+Girls) | Classical | 2022-12-04 | 2022-12-08 | 4 Knights (4K) | 7 | 1196.3 | 7 | 3.5 | 1241.4 | 6.6 | Details |
| 24 | JMC 3rd Trials 2022 (U8) | Standard | 2022-09-11 | 2022-09-11 | Johannesburg Metro (GJM) | 5 | 1174.8 | 5 | 3 | 1289.8 | 12 | Details |
| 25 | JMC Womens Day 2022 (U8) | Standard | 2022-08-06 | 2022-08-06 | Johannesburg Metro (GJM) | 5 | 1165.8 | 5 | 3 | 1146.6 | -2.5 | Details |
| 26 | JMC 2nd Trials 2022 (U8) | Standard | 2022-08-27 | 2022-08-27 | Johannesburg Metro (GJM) | 5 | 1165.8 | 5 | 3 | 1249.6 | 7.5 | Details |
| 27 | JMC Bryanston 2021 (E) | Standard | 2021-11-06 | 2021-11-06 | Johannesburg Metro (GJM) | 5 | 1200.5 | 5 | 2 | 1008.8 | -19.3 | Details |
| 28 | JMC Helpmekaar 2021 (U8) | Rapid | 2021-09-06 | 2021-09-06 | Johannesburg Metro (GJM) | 5 | 1200 | 5 | 3 | 1134.2 | 0.2 | 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 | 18 |
| Wins | 7 |
| Draws | 0 |
| Losses | 11 |
| White | 9 |
| Black | 9 |
| White wins | 5 |
| Black wins | 2 |
| Score | 7 |
| Percent | 38.9 |
| Dp | -94.4 |
| AOR | 1391 |
| Performance | 1296.6 |
Game statistics (History)
| Games | 154 |
| Wins | 70 |
| Draws | 8 |
| Losses | 76 |
| White | 77 |
| Black | 77 |
| White wins | 37 |
| Black wins | 33 |
| Score | 74 |
| Percent | 48.1 |
| Dp | -16.6 |
| AOR | 1259.7 |
| Performance | 1243.2 |
Rankings (Main)
| National | |
| Overall | 6325 |
| Gender | 1133 |
| Age group | 614 |
| Gender/Age | 144 |
| Provincial | |
| Overall | 2100 |
| Gender | 363 |
| Age group | 200 |
| Gender/Age | 38 |
| Regional | |
| Overall | 574 |
| Gender | 77 |
| Age group | 62 |
| Gender/Age | 10 |
Rankings (Standard)
| National | |
| Overall | 5741 |
| Gender | 1071 |
| Age group | 579 |
| Gender/Age | 136 |
| Provincial | |
| Overall | 2021 |
| Gender | 365 |
| Age group | 203 |
| Gender/Age | 37 |
| Regional | |
| Overall | 530 |
| Gender | 78 |
| Age group | 61 |
| Gender/Age | 10 |
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 | 8 |
| Score | 2 |
| Percent | 25 |
| Aor | 1472.4 |
| Dp | -212.5 |
| Prat | 1259.9 |
Performance ()
| Games | 18 |
| Score | 7 |
| Percent | 38.9 |
| Aor | 1391 |
| Dp | -94.4 |
| Prat | 1296.6 |
Performance (12 months)
| Games | 53 |
| Score | 21 |
| Percent | 39.6 |
| Aor | 1345.8 |
| Dp | -88.2 |
| Prat | 1257.6 |
Performance (History)
| Games | 154 |
| Score | 74 |
| Percent | 48.1 |
| Aor | 1259.7 |
| Dp | -16.6 |
| Prat | 1243.2 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Gerber, Z (Zoe) | 4 | 2 | 2 | JMC 3rd Trials 2022 (U8) | JMC Closed 2024 (U10) | Details |
| Overall | 2 | Stelloh, S (Sebastian) | 4 | 2 | 2 | JMC 2nd Trials 2022 (U8) | JMC Trinityhouse Randpark Ridge 2024 (U10) | Details |
| Overall | 3 | Exarchos, I (Isabella) | 4 | 3 | 1 | JMC 2nd Trials 2022 (U8) | 2023 South African Junior Closed Chess Championships (U8 Girls) | Details |
| Overall | 4 | Kgame, O (Onalenna Itumeleng) | 3 | 3 | 0 | 2022 South African Junior Team Chess Championships (U8 Open+Girls) | 2023 South African Junior Closed Chess Championships (U8 Girls) | Details |
| Overall | 5 | Conradie, M (Minka) | 3 | 1 | 2 | JMC Bryanston 2021 (E) | JMC Closed 2024 (U10) | Details |
| Standard | 1 | Gerber, Z (Zoe) | 4 | 2 | 2 | JMC 3rd Trials 2022 (U8) | JMC Closed 2024 (U10) | Details |
| Standard | 2 | Stelloh, S (Sebastian) | 4 | 2 | 2 | JMC 2nd Trials 2022 (U8) | JMC Trinityhouse Randpark Ridge 2024 (U10) | Details |
| Standard | 3 | Exarchos, I (Isabella) | 4 | 3 | 1 | JMC 2nd Trials 2022 (U8) | 2023 South African Junior Closed Chess Championships (U8 Girls) | Details |
| Standard | 4 | Pillay, Y (Yishai) | 3 | 1 | 2 | JMC Bryanston 2021 (E) | JMC Crawford Sandton 2025 (U12) | Details |
| Standard | 5 | Kgame, O (Onalenna Itumeleng) | 3 | 3 | 0 | 2022 South African Junior Team Chess Championships (U8 Open+Girls) | 2023 South African Junior Closed Chess Championships (U8 Girls) | Details |