PLAYER PAGE
Personal
Gumbo, B (Bajabulile)
Chess SA id
209094347FIDE id
?Date of birth
2009-09-24 (U18)Gender
FemaleRegion
Johannesburg Metro (GJM)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-30Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1111.6 | 1120.6 | 1177 | 1200 |
| Raw rating | 1084.9 | 1086.8 | 1177 | 1200 |
| Weighted rating | 1111.6 | 1120.6 | 1173.2 | 1200 |
| Weighted performance | 841.7 | 781.1 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 195.4 | 194.8 | 171.3 | 165.8 |
| Highest rating | 12002018-02-01 | 12002018-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002018-02-01 | 12002018-02-01 | 12002024-03-01 | 12002024-03-01 |
| Highest weighted rating | 12002018-02-01 | 12002018-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002024-12-01 | 12002024-12-01 | 12002024-03-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | -2.3 | -2.6 | 0 | 0 |
| New rating | 1109.3 | 1118 | 1177 | 1200 |
| Analysis | ||||
| Rating | 1111.6 | 1120.6 | 1177 | 1200 |
| Raw rating | 1084.9 | 1086.8 | 1177 | 1200 |
| Weighted rating | 1111.6 | 1120.6 | 1173.2 | |
| Weighted performance | 841.7 | 781.1 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 195.4 | 194.8 | 171.3 | 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 | 1084.9 | 1086.8 | 1177 | 1200 |
| New weighted rating | 1109.3 | 1118 | 1173 | 1200 |
| New weighted performance | 835.8 | 774.9 | 0 | 0 |
| Temp new rating | 1109.3 | 1118 | 1177 | 1200 |
| Temp new rating +/- | -2.3 | -2.6 | 0 | 0 |
| Final new rating +/- | -2.3 | -2.6 | 0 | 0 |
| New rating | 1109.3 | 1118 | 1177 | 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 | |
| 10 | 5 | 5 | 0 | |
| 0 | 0 | 0 | 0 | |
| 7 | 7 | 0 | 0 | |
| 4 | 4 | 0 | 0 | |
| History | 41 | 36 | 5 | 0 |
| Games since | |||||||||||||||||
| Main15 | Standard10 | Rapid5 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | U18 | ||||||||||||||||
| Region | Johannesburg Metro (GJM) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Female | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Female | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 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 | 1 | 20 | -255 | 1208.2 | 953.2 |
| Standard | 5 | 1 | 20 | -255 | 1208.2 | 953.2 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 36 | 10 | 27.78 | -188.9 | 1228.1 | 1039.2 |
| Standard | 31 | 10 | 32.26 | -150.8 | 1202.6 | 1051.8 |
| Rapid | 5 | 0 | 0 | -425 | 1385.9 | 960.9 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1084.9 | 1086.8 | 1177 | 1200 |
| 2025-09-30 | 1114.7 | 1126.4 | 1177 | 1200 |
| 2025-09-01 | 1114.7 | 1126.4 | 1177 | 1200 |
| 2025-08-01 | 1114.7 | 1126.4 | 1177 | 1200 |
| 2025-07-01 | 1114.7 | 1126.4 | 1177 | 1200 |
| 2025-06-01 | 1114.7 | 1126.4 | 1177 | 1200 |
| 2025-05-01 | 1114.7 | 1126.4 | 1177 | 1200 |
| 2025-04-01 | 1114.7 | 1126.4 | 1177 | 1200 |
| 2025-03-01 | 1114.7 | 1126.4 | 1177 | 1200 |
| 2025-02-01 | 1113.8 | 1126.4 | 1173.1 | 1200 |
| 2025-01-01 | 1099.1 | 1126.4 | 1110.4 | 1200 |
| 2024-12-01 | 1099.1 | 1126.4 | 1110.4 | 1200 |
| 2024-11-01 | 1099.1 | 1126.4 | 1110.4 | 1200 |
| 2024-10-01 | 1127.9 | 1126.4 | 1200 | 1200 |
| 2024-09-01 | 1119.3 | 1112 | 1200 | 1200 |
| 2024-08-01 | 1119.3 | 1112 | 1200 | 1200 |
| 2024-07-01 | 1119.3 | 1112 | 1200 | 1200 |
| 2024-09-01 | 1119.3 | 1112 | 1200 | 1200 |
| 2024-05-01 | 1119.3 | 1112 | 1200 | 1200 |
| 2024-04-01 | 1119.3 | 1112 | 1200 | 1200 |
| 2024-03-01 | 1119.3 | 1112 | 1200 | 1200 |
| 2024-02-01 | 1119.3 | 1112 | 1200 | 1200 |
| 2024-01-01 | 1119.3 | 1112 | 1200 | 1200 |
| 2023-12-01 | 1119.3 | 1112 | 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 Gauteng Top Schools Teams (U19 Girls) | 2025-08-30 | 2025-08-30 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Gauteng Top Schools Teams (U19 Girls) | 2025-08-30 | 2025-08-30 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 2 | Gauteng Top Schools 2024 (U19 Girls) | 2024-10-05 | 2024-10-05 | Rapid | Ekurhuleni (GE) | 5 | 5 | 0 | Yes | Analysis |
| 3 | Gauteng Schools Individuals Finals 2024 (U15 Girls) | 2024-08-17 | 2024-08-17 | Standard | Ekurhuleni (GE) | 5 | 5 | 2 | Yes | Analysis |
| 4 | 2022 Gauteng Schools Team Championships (U13 Open) | 2022-08-27 | 2022-08-27 | Standard | Tshwane (GTP) | 5 | 2 | 1 | Yes | Analysis |
| 5 | 2022 Gauteng Schools Individual Chess Championship (U13 Girls) | 2022-06-18 | 2022-06-18 | Standard | Ekurhuleni (GE) | 5 | 5 | 2 | Yes | Analysis |
| 6 | 2021 Gauteng Schools Chess Championships (U13 Girls) | 2021-10-16 | 2021-10-16 | Standard | Tshwane (GTP) | 5 | 4 | 1 | Yes | Analysis |
| 7 | 2018 Gauteng League Final (U9) | 2018-08-24 | 2018-08-24 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 8 | JCC Wits 2018 (Development) | 2018-02-25 | 2018-02-25 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 1 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2018 Gauteng League Final | Tournament2018 Gauteng League Final | ||||||
| date2018-08-24 | rnd2 | typeStandard | result1 | date2018-08-24 | rnd3 | typeStandard | result1 | ||
| OpponentGoncalves-Jardine, C (Cruz) | OpponentNcube, T (Thabiso Aiden) | ||||||||
| 2 | 1 | Tournament2025 Gauteng Top Schools Teams | Tournament2025 Gauteng Top Schools Teams | ||||||
| date2025-08-30 | rnd2 | typeStandard | result1 | date2025-08-30 | rnd2 | typeStandard | result1 | ||
| OpponentHaman, L (Lizandri) | OpponentHaman, L (Lizandri) | ||||||||
| 3 | 1 | TournamentGauteng Schools Individuals Finals 2024 | TournamentGauteng Schools Individuals Finals 2024 | ||||||
| date2024-08-17 | rnd5 | typeStandard | result1 | date2024-08-17 | rnd5 | typeStandard | result1 | ||
| OpponentKritzinger, M (Madeleine) | OpponentKritzinger, M (Madeleine) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2018 Gauteng League Final | Tournament2018 Gauteng League Final | ||||||
| date2018-08-24 | rnd2 | typeStandard | result1 | date2018-08-24 | rnd3 | typeStandard | result1 | ||
| OpponentGoncalves-Jardine, C (Cruz) | OpponentNcube, T (Thabiso Aiden) | ||||||||
| 2 | 1 | TournamentGauteng Schools Individuals Finals 2024 | TournamentGauteng Schools Individuals Finals 2024 | ||||||
| date2024-08-17 | rnd5 | typeStandard | result1 | date2024-08-17 | rnd5 | typeStandard | result1 | ||
| OpponentKritzinger, M (Madeleine) | OpponentKritzinger, M (Madeleine) | ||||||||
| 3 | 1 | TournamentGauteng Schools Individuals Finals 2024 | TournamentGauteng Schools Individuals Finals 2024 | ||||||
| date2024-08-17 | rnd1 | typeStandard | result1 | date2024-08-17 | rnd1 | typeStandard | result1 | ||
| OpponentThomas, J (Jenna) | OpponentThomas, J (Jenna) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2018 Gauteng League Final | Tournament2018 Gauteng League Final | ||||||
| date2018-08-24 | rnd2 | typeStandard | result1 | date2018-08-24 | rnd3 | typeStandard | result1 | ||
| OpponentGoncalves-Jardine, C (Cruz) | OpponentNcube, T (Thabiso Aiden) | ||||||||
| 2 | 1 | TournamentGauteng Schools Individuals Finals 2024 | TournamentGauteng Schools Individuals Finals 2024 | ||||||
| date2024-08-17 | rnd5 | typeStandard | result1 | date2024-08-17 | rnd5 | typeStandard | result1 | ||
| OpponentKritzinger, M (Madeleine) | OpponentKritzinger, M (Madeleine) | ||||||||
| 3 | 1 | TournamentGauteng Schools Individuals Finals 2024 | TournamentGauteng Schools Individuals Finals 2024 | ||||||
| date2024-08-17 | rnd1 | typeStandard | result1 | date2024-08-17 | rnd1 | typeStandard | result1 | ||
| OpponentThomas, J (Jenna) | OpponentThomas, J (Jenna) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2018 Gauteng League Final | Tournament2018 Gauteng League Final | ||||||
| date2018-08-24 | rnd2 | typeStandard | result1 | date2018-08-24 | rnd3 | typeStandard | result1 | ||
| OpponentGoncalves-Jardine, C (Cruz) | OpponentNcube, T (Thabiso Aiden) | ||||||||
| 2 | 1 | TournamentGauteng Schools Individuals Finals 2024 | TournamentGauteng Schools Individuals Finals 2024 | ||||||
| date2024-08-17 | rnd5 | typeStandard | result1 | date2024-08-17 | rnd5 | typeStandard | result1 | ||
| OpponentKritzinger, M (Madeleine) | OpponentKritzinger, M (Madeleine) | ||||||||
| 3 | 1 | TournamentGauteng Schools Individuals Finals 2024 | TournamentGauteng Schools Individuals Finals 2024 | ||||||
| date2024-08-17 | rnd1 | typeStandard | result1 | date2024-08-17 | rnd1 | typeStandard | result1 | ||
| OpponentThomas, J (Jenna) | OpponentThomas, J (Jenna) | ||||||||
| # | 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 | Cannon ,NC (Natalie Christene) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1079.8 | 654.8 | 1085.4 | 654.8 | 0 | 0 | 0 | 0 | ||||||
| 2 | De Rouwe ,ED (Eckhard) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1267.4 | 842.4 | 1280.4 | 842.4 | 0 | 0 | 0 | 0 | ||||||
| 3 | Minnaar ,R (Rochelle) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1294.2 | 869.2 | 1311.5 | 869.2 | 0 | 0 | 0 | 0 | ||||||
| 4 | Madonda ,P (Promrose) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 5 | Shiba ,C (Crestina) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1146.9 | 1571.9 | 1135.6 | 1571.9 | 0 | 0 | 0 | 0 | ||||||
| 6 | Mtaku ,B (Bugle) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 7 | Ramohlohla ,L (Lerato Motaso) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1319 | 894 | 1327.7 | 894 | 0 | 0 | 0 | 0 | ||||||
| 8 | Ncube ,T (Thabiso Aiden) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 9 | Radebe ,T (Tshepang) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1166.5 | 741.5 | 1163 | 741.5 | 0 | 0 | 0 | 0 | ||||||
| 10 | Hlangebi ,R (Rethabile) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1193.5 | 768.5 | 1192.3 | 768.5 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|