PLAYER PAGE
Personal
Mahlangu, B (Bontle)
Chess SA id
2130159767FIDE id
?Date of birth
2013-03-06 (U14)Gender
FemaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-05-24Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1176.3 | 1172.5 | 1200 | 1200 |
| Raw rating | 1175.2 | 1171.1 | 1200 | 1200 |
| Weighted rating | 1176.3 | 1172.5 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 171.8 | 172.8 | 165.8 | 165.8 |
| Highest rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002019-12-01 | 12002019-12-01 | 12002024-03-01 | 12002024-03-01 |
| Highest weighted rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002019-12-01 | 12002019-12-01 | 12002024-03-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0.2 | 0.3 | 0 | 0 |
| New rating | 1176.5 | 1172.7 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1176.3 | 1172.5 | 1200 | 1200 |
| Raw rating | 1175.2 | 1171.1 | 1200 | 1200 |
| Weighted rating | 1176.3 | 1172.5 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 171.8 | 172.8 | 165.8 | 165.8 |
| Games | 0 | 0 | 0 | 0 |
| Score | 0 | 0 | 0 | 0 |
| Expected score | 0 | 0 | 0 | 0 |
| Score-Expected | 0 | 0 | 0 | 0 |
| Temp raw +/- | 0 | 0 | 0 | 0 |
| Final raw +/- | 0 | 0 | 0 | 0 |
| New raw rating | 1175.2 | 1171.1 | 1200 | 1200 |
| New weighted rating | 1176.5 | 1172.7 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1176.5 | 1172.7 | 1200 | 1200 |
| Temp new rating +/- | 0.2 | 0.3 | 0 | 0 |
| Final new rating +/- | 0.2 | 0.3 | 0 | 0 |
| New rating | 1176.5 | 1172.7 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 700 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 15 | 15 | 0 | 0 |
| Games since | |||||||||||||||||
| Main10 | Standard10 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | U14 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Female | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Female | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Female | -1 | -1 | -1 | ||||||||||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 0 | 0 | 0 | 0 | 0 | 0 |
| Standard | 0 | 0 | 0 | 0 | 0 | 0 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 5 | 2 | 40 | -85 | 1228.7 | 1143.7 |
| Standard | 5 | 2 | 40 | -85 | 1228.7 | 1143.7 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 15 | 6 | 40 | -85 | 1214.4 | 1129.4 |
| Standard | 15 | 6 | 40 | -85 | 1214.4 | 1129.4 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1175.2 | 1171.1 | 1200 | 1200 |
| 2025-09-30 | 1175.2 | 1171.1 | 1200 | 1200 |
| 2025-09-01 | 1175.2 | 1171.1 | 1200 | 1200 |
| 2025-08-01 | 1175.2 | 1171.1 | 1200 | 1200 |
| 2025-07-01 | 1174.8 | 1170.5 | 1200 | 1200 |
| 2025-06-01 | 1174.3 | 1170 | 1200 | 1200 |
| 2025-05-01 | 1180.3 | 1177.6 | 1200 | 1200 |
| 2025-04-01 | 1180.3 | 1177.6 | 1200 | 1200 |
| 2025-03-01 | 1180.3 | 1177.6 | 1200 | 1200 |
| 2025-02-01 | 1180.3 | 1177.6 | 1200 | 1200 |
| 2025-01-01 | 1180.3 | 1177.6 | 1200 | 1200 |
| 2024-12-01 | 1180.3 | 1177.6 | 1200 | 1200 |
| 2024-11-01 | 1180.3 | 1177.6 | 1200 | 1200 |
| 2024-10-01 | 1180.3 | 1177.6 | 1200 | 1200 |
| 2024-09-01 | 1180.3 | 1177.6 | 1200 | 1200 |
| 2024-08-01 | 1180.3 | 1177.6 | 1200 | 1200 |
| 2024-07-01 | 1180.3 | 1177.6 | 1200 | 1200 |
| 2024-09-01 | 1180.3 | 1177.6 | 1200 | 1200 |
| 2024-05-01 | 1155.2 | 1145.6 | 1200 | 1200 |
| 2024-04-01 | 1155.2 | 1145.6 | 1200 | 1200 |
| 2024-03-01 | 1155.2 | 1145.6 | 1200 | 1200 |
| 2024-02-01 | 1155.2 | 1145.6 | 1200 | 1200 |
| 2024-01-01 | 1155.2 | 1145.6 | 1200 | 1200 |
| 2023-12-01 | 1155.2 | 1145.6 | 1200 | 1200 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Tshwane North School District CLOSED Individual Chess Championship (U13 Girls) | 2025-05-24 | 2025-05-24 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Tshwane North School District CLOSED Individual Chess Championship (U13 Girls) | 2025-05-24 | 2025-05-24 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 2 | 2024 Tshwane North School District CLOSED Individual Champioships (U11 Girls) | 2024-05-11 | 2024-05-11 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 3 | 2023 Tshwane North School District CLOSED League Championships (D3) | 2023-08-12 | 2023-08-12 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2023 Tshwane North School District CLOSED League Championships | Tournament2024 Tshwane North School District CLOSED Individual Champioships | ||||||
| date2023-08-12 | rnd5 | typeStandard | result1 | date2024-05-11 | rnd2 | typeStandard | result1 | ||
| OpponentOctober, L (Lujade) | OpponentSnyders, L (Leanika) | ||||||||
| 2 | 1 | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | ||||||
| date2025-05-24 | rnd5 | typeStandard | result1 | date2025-05-24 | rnd5 | typeStandard | result1 | ||
| OpponentCharlie, O (Otlotleng) | OpponentCharlie, O (Otlotleng) | ||||||||
| 3 | 1 | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | ||||||
| date2025-05-24 | rnd1 | typeStandard | result1 | date2025-05-24 | rnd1 | typeStandard | result1 | ||
| OpponentPhoshoko, S (Sarah) | OpponentPhoshoko, S (Sarah) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2023 Tshwane North School District CLOSED League Championships | Tournament2024 Tshwane North School District CLOSED Individual Champioships | ||||||
| date2023-08-12 | rnd5 | typeStandard | result1 | date2024-05-11 | rnd2 | typeStandard | result1 | ||
| OpponentOctober, L (Lujade) | OpponentSnyders, L (Leanika) | ||||||||
| 2 | 1 | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | ||||||
| date2025-05-24 | rnd5 | typeStandard | result1 | date2025-05-24 | rnd5 | typeStandard | result1 | ||
| OpponentCharlie, O (Otlotleng) | OpponentCharlie, O (Otlotleng) | ||||||||
| 3 | 1 | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | ||||||
| date2025-05-24 | rnd1 | typeStandard | result1 | date2025-05-24 | rnd1 | typeStandard | result1 | ||
| OpponentPhoshoko, S (Sarah) | OpponentPhoshoko, S (Sarah) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2023 Tshwane North School District CLOSED League Championships | Tournament2024 Tshwane North School District CLOSED Individual Champioships | ||||||
| date2023-08-12 | rnd5 | typeStandard | result1 | date2024-05-11 | rnd2 | typeStandard | result1 | ||
| OpponentOctober, L (Lujade) | OpponentSnyders, L (Leanika) | ||||||||
| 2 | 1 | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | ||||||
| date2025-05-24 | rnd5 | typeStandard | result1 | date2025-05-24 | rnd5 | typeStandard | result1 | ||
| OpponentCharlie, O (Otlotleng) | OpponentCharlie, O (Otlotleng) | ||||||||
| 3 | 1 | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | ||||||
| date2025-05-24 | rnd1 | typeStandard | result1 | date2025-05-24 | rnd1 | typeStandard | result1 | ||
| OpponentPhoshoko, S (Sarah) | OpponentPhoshoko, S (Sarah) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2023 Tshwane North School District CLOSED League Championships | Tournament2024 Tshwane North School District CLOSED Individual Champioships | ||||||
| date2023-08-12 | rnd5 | typeStandard | result1 | date2024-05-11 | rnd2 | typeStandard | result1 | ||
| OpponentOctober, L (Lujade) | OpponentSnyders, L (Leanika) | ||||||||
| 2 | 1 | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | ||||||
| date2025-05-24 | rnd5 | typeStandard | result1 | date2025-05-24 | rnd5 | typeStandard | result1 | ||
| OpponentCharlie, O (Otlotleng) | OpponentCharlie, O (Otlotleng) | ||||||||
| 3 | 1 | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | Tournament2025 Tshwane North School District CLOSED Individual Chess Championship | ||||||
| date2025-05-24 | rnd1 | typeStandard | result1 | date2025-05-24 | rnd1 | typeStandard | result1 | ||
| OpponentPhoshoko, S (Sarah) | OpponentPhoshoko, S (Sarah) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
Top 10 opponents most often played
| # | Opponent | Main | Standard | Rapid | Blitz | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | ||
| Aor | Prat | Aor | Prat | Aor | Prat | Aor | Prat | ||||||
| 1 | Charlie ,O (Otlotleng) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 2 | Mkhonza ,B (Busisiwe) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 3 | Molese ,S (Simphiwe) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1177.6 | 752.6 | 1171.9 | 752.6 | 0 | 0 | 0 | 0 | ||||||
| 4 | Shongwe ,R (Reneilwe) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 5 | Phoshoko ,S (Sarah) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 6 | Baloi ,B (Boikanyo) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 7 | Mashilo ,B (Bygrace) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1222.1 | 1647.1 | 1226.3 | 1647.1 | 0 | 0 | 0 | 0 | ||||||
| 8 | Smith ,L (Leah) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1304.5 | 879.5 | 1296.3 | 879.5 | 0 | 0 | 0 | 0 | ||||||
| 9 | Vilakazi ,K (Kgosietsile) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1186.3 | 761.3 | 1183.4 | 761.3 | 0 | 0 | 0 | 0 | ||||||
| 10 | Kekana ,K (Katlego) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1181.5 | 1606.5 | 1177 | 1606.5 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|