PLAYER PAGE
Personal
Diedericks , B (Belinda)
Chess SA id
2110109822FIDE id
?Date of birth
2011-05-12 (U16)Gender
FemaleRegion
Cape Town (WCT)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-03-02Personal details last changed
1900-01-01Junior GPX Games
16.1Junior GPX Points
999.6| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1153.5 | 1157.1 | 1172.6 | 1200 |
| Raw rating | 1153.5 | 1157.1 | 1172.6 | 1200 |
| Weighted rating | 1149.3 | 1153.3 | 1169.1 | 1200 |
| Weighted performance | 888.8 | 0 | 0 | 0 |
| Floor | 703.6 | 705 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 177.2 | 176.3 | 172.4 | 165.8 |
| Highest rating | 1203.62024-03-01 | 1229.82024-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1203.62024-03-01 | 12052024-03-01 | 12002018-02-01 | 12002024-02-01 |
| Highest weighted rating | 1203.62018-10-01 | 12052024-03-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002018-02-01 | 1229.82024-02-01 | 12002018-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1153.5 | 1157.1 | 1172.6 | 1200 |
| Analysis | ||||
| Rating | 1153.5 | 1157.1 | 1172.6 | 1200 |
| Raw rating | 1153.5 | 1157.1 | 1172.6 | 1200 |
| Weighted rating | 1149.3 | 1153.3 | 1169.1 | |
| Weighted performance | 888.8 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 703.6 | 705 | 700 | 700 |
| Max/Min rating change allowed | 177.2 | 176.3 | 172.4 | 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 | 1153.5 | 1157.1 | 1172.6 | 1200 |
| New weighted rating | 1149.1 | 1153.1 | 1169 | 1200 |
| New weighted performance | 882.8 | 0 | 0 | 0 |
| Temp new rating | 1153.5 | 1157.1 | 1172.6 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1153.5 | 1157.1 | 1172.6 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 703.6 | 705 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 9 | 9 | 0 | 0 | |
| 20 | 15 | 5 | 0 | |
| 6 | 0 | 6 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 40 | 24 | 16 | 0 |
| Games since | |||||||||||||||||
| Main29 | Standard24 | Rapid5 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | U16 | ||||||||||||||||
| Region | Cape Town (WCT) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Female | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Female | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 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 | 9 | 3 | 33.33 | -141.7 | 1230 | 1088.4 |
| Standard | 9 | 3 | 33.33 | -141.7 | 1230 | 1088.4 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 40 | 12.5 | 31.25 | -159.4 | 1232.1 | 1072.7 |
| Standard | 24 | 7.5 | 31.25 | -159.4 | 1230.4 | 1071 |
| Rapid | 16 | 5 | 31.25 | -159.4 | 1234.6 | 1075.2 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1153.5 | 1157.1 | 1172.6 | 1200 |
| 2025-09-30 | 1153.5 | 1157.1 | 1172.6 | 1200 |
| 2025-09-01 | 1153.5 | 1157.1 | 1172.6 | 1200 |
| 2025-08-01 | 1153.5 | 1157.1 | 1172.6 | 1200 |
| 2025-07-01 | 1153.5 | 1157.1 | 1172.6 | 1200 |
| 2025-06-01 | 1153.5 | 1157.1 | 1172.6 | 1200 |
| 2025-05-01 | 1153.5 | 1157.1 | 1172.6 | 1200 |
| 2025-04-01 | 1152.8 | 1156.1 | 1172.6 | 1200 |
| 2025-03-01 | 1161.9 | 1166.4 | 1172.6 | 1200 |
| 2025-02-01 | 1152.4 | 1157 | 1169 | 1200 |
| 2025-01-01 | 1095 | 1114.2 | 1110.8 | 1200 |
| 2024-12-01 | 1095 | 1114.2 | 1110.8 | 1200 |
| 2024-11-01 | 1095 | 1114.2 | 1110.8 | 1200 |
| 2024-10-01 | 1161.8 | 1156 | 1194 | 1200 |
| 2024-09-01 | 1161.8 | 1156 | 1194 | 1200 |
| 2024-08-01 | 1161.8 | 1156 | 1194 | 1200 |
| 2024-07-01 | 1161.8 | 1156 | 1194 | 1200 |
| 2024-09-01 | 1161.8 | 1156 | 1194 | 1200 |
| 2024-05-01 | 1161.8 | 1156 | 1194 | 1200 |
| 2024-04-01 | 1161.8 | 1156 | 1194 | 1200 |
| 2024-03-01 | 1203.6 | 1205 | 1194 | 1200 |
| 2024-02-01 | 1195.6 | 1200 | 1194 | 1200 |
| 2024-01-01 | 1195.6 | 1200 | 1194 | 1200 |
| 2023-12-01 | 1195.6 | 1200 | 1194 | 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 | CT Metro Schools Individual Closed 2025 (U15 Girls) | 2025-03-01 | 2025-03-02 | Standard | Cape Town (WCT) | 6 | 3 | 0 | Yes | Analysis |
| 2 | CT Metro District East Schools Chess Individuals Trials 2025 (U15 Girls) | 2025-02-01 | 2025-02-02 | Standard | Cape Town (WCT) | 6 | 6 | 3 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | CT Metro Schools Individual Closed 2025 (U15 Girls) | 2025-03-01 | 2025-03-02 | Standard | Cape Town (WCT) | 6 | 3 | 0 | Yes | Analysis |
| 2 | CT Metro District East Schools Chess Individuals Trials 2025 (U15 Girls) | 2025-02-01 | 2025-02-02 | Standard | Cape Town (WCT) | 6 | 6 | 3 | Yes | Analysis |
| 3 | Laerskool Welgemoed Rapid 2024 (U14) | 2024-10-19 | 2024-10-19 | Rapid | Cape Town (WCT) | 6 | 5 | 0 | Yes | Analysis |
| 4 | Grant East Annual Primary School Invitational Chess Tournament 2024 (U13) | 2024-10-05 | 2024-10-05 | Standard | Cape Town (WCT) | 5 | 5 | 1 | Yes | Analysis |
| 5 | Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Girls) | 2024-03-02 | 2024-03-03 | Standard | Cape Town (WCT) | 6 | 6 | 1.5 | Yes | Analysis |
| 6 | CT District East Schools Chess Individuals Trails 2024 (U13 Girls) | 2024-02-03 | 2024-02-03 | Standard | Cape Town (WCT) | 5 | 4 | 2 | Yes | Analysis |
| 7 | Laerskool Welgemoed Rapid 2023 (U14) | 2023-02-11 | 2023-02-11 | Rapid | Cape Town (WCT) | 6 | 6 | 3 | Yes | Analysis |
| 8 | Welgemoed Chess Challenge 2019 (U10) | 2019-02-23 | 2019-02-23 | Rapid | Cape Town (WCT) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentCT District East Schools Chess Individuals Trails 2024 | TournamentCape Town Metro Schools Chess Closed Individuals 2024 | ||||||
| date2024-02-03 | rnd4 | typeStandard | result1 | date2024-03-02 | rnd1 | typeStandard | result0.5 | ||
| OpponentRoss, S (Shenica) | OpponentRas, H (Hanaan) | ||||||||
| 2 | 2 | TournamentCT Metro District East Schools Chess Individuals Trials 2025 | TournamentCT Metro District East Schools Chess Individuals Trials 2025 | ||||||
| date2025-02-02 | rnd5 | typeStandard | result1 | date2025-02-02 | rnd6 | typeStandard | result1 | ||
| OpponentChristians, C (Casey-lee) | OpponentHuman, I (Isabella) | ||||||||
| 3 | 2 | TournamentLaerskool Welgemoed Rapid 2023 | TournamentLaerskool Welgemoed Rapid 2023 | ||||||
| date2023-02-11 | rnd5 | typeRapid | result1 | date2023-02-11 | rnd6 | typeRapid | result1 | ||
| OpponentSeabrook, E (Ethan) | OpponentSmit, D (Danie) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentCT District East Schools Chess Individuals Trails 2024 | TournamentCape Town Metro Schools Chess Closed Individuals 2024 | ||||||
| date2024-02-03 | rnd4 | typeStandard | result1 | date2024-03-02 | rnd1 | typeStandard | result0.5 | ||
| OpponentRoss, S (Shenica) | OpponentRas, H (Hanaan) | ||||||||
| 2 | 2 | TournamentCT Metro District East Schools Chess Individuals Trials 2025 | TournamentCT Metro District East Schools Chess Individuals Trials 2025 | ||||||
| date2025-02-02 | rnd5 | typeStandard | result1 | date2025-02-02 | rnd6 | typeStandard | result1 | ||
| OpponentChristians, C (Casey-lee) | OpponentHuman, I (Isabella) | ||||||||
| 3 | 1 | TournamentCT Metro District East Schools Chess Individuals Trials 2025 | TournamentCT Metro District East Schools Chess Individuals Trials 2025 | ||||||
| date2025-02-01 | rnd3 | typeStandard | result1 | date2025-02-01 | rnd3 | typeStandard | result1 | ||
| OpponentMouton, S (Strom) | OpponentMouton, S (Strom) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentLaerskool Welgemoed Rapid 2023 | TournamentLaerskool Welgemoed Rapid 2023 | ||||||
| date2023-02-11 | rnd5 | typeRapid | result1 | date2023-02-11 | rnd6 | typeRapid | result1 | ||
| OpponentSeabrook, E (Ethan) | OpponentSmit, D (Danie) | ||||||||
| 2 | 1 | TournamentLaerskool Welgemoed Rapid 2023 | TournamentLaerskool Welgemoed Rapid 2023 | ||||||
| date2023-02-11 | rnd2 | typeRapid | result1 | date2023-02-11 | rnd2 | typeRapid | result1 | ||
| OpponentSandi, D (Dylan) | OpponentSandi, D (Dylan) | ||||||||
| 3 | 1 | TournamentWelgemoed Chess Challenge 2019 | TournamentWelgemoed Chess Challenge 2019 | ||||||
| date2019-02-23 | rnd5 | typeRapid | result1 | date2019-02-23 | rnd5 | typeRapid | result1 | ||
| OpponentKuhn, M (Max) | OpponentKuhn, M (Max) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentCT Metro District East Schools Chess Individuals Trials 2025 | TournamentCT Metro District East Schools Chess Individuals Trials 2025 | ||||||
| date2025-02-02 | rnd5 | typeStandard | result1 | date2025-02-02 | rnd6 | typeStandard | result1 | ||
| OpponentChristians, C (Casey-lee) | OpponentHuman, I (Isabella) | ||||||||
| 2 | 2 | TournamentCT District East Schools Chess Individuals Trails 2024 | TournamentCT District East Schools Chess Individuals Trails 2024 | ||||||
| date2024-02-03 | rnd4 | typeStandard | result1 | date2024-02-03 | rnd5 | typeStandard | result1 | ||
| OpponentRoss, S (Shenica) | OpponentGeduldt, R (Reche) | ||||||||
| 3 | 2 | TournamentLaerskool Welgemoed Rapid 2023 | TournamentLaerskool Welgemoed Rapid 2023 | ||||||
| date2023-02-11 | rnd5 | typeRapid | result1 | date2023-02-11 | rnd6 | typeRapid | result1 | ||
| OpponentSeabrook, E (Ethan) | OpponentSmit, D (Danie) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentCT Metro District East Schools Chess Individuals Trials 2025 | TournamentCT Metro District East Schools Chess Individuals Trials 2025 | ||||||
| date2025-02-02 | rnd5 | typeStandard | result1 | date2025-02-02 | rnd6 | typeStandard | result1 | ||
| OpponentChristians, C (Casey-lee) | OpponentHuman, I (Isabella) | ||||||||
| 2 | 2 | TournamentCT District East Schools Chess Individuals Trails 2024 | TournamentCT District East Schools Chess Individuals Trails 2024 | ||||||
| date2024-02-03 | rnd4 | typeStandard | result1 | date2024-02-03 | rnd5 | typeStandard | result1 | ||
| OpponentRoss, S (Shenica) | OpponentGeduldt, R (Reche) | ||||||||
| 3 | 1 | TournamentCT Metro District East Schools Chess Individuals Trials 2025 | TournamentCT Metro District East Schools Chess Individuals Trials 2025 | ||||||
| date2025-02-01 | rnd3 | typeStandard | result1 | date2025-02-01 | rnd3 | typeStandard | result1 | ||
| OpponentMouton, S (Strom) | OpponentMouton, S (Strom) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentLaerskool Welgemoed Rapid 2023 | TournamentLaerskool Welgemoed Rapid 2023 | ||||||
| date2023-02-11 | rnd5 | typeRapid | result1 | date2023-02-11 | rnd6 | typeRapid | result1 | ||
| OpponentSeabrook, E (Ethan) | OpponentSmit, D (Danie) | ||||||||
| 2 | 1 | TournamentLaerskool Welgemoed Rapid 2023 | TournamentLaerskool Welgemoed Rapid 2023 | ||||||
| date2023-02-11 | rnd2 | typeRapid | result1 | date2023-02-11 | rnd2 | typeRapid | result1 | ||
| OpponentSandi, D (Dylan) | OpponentSandi, D (Dylan) | ||||||||
| 3 | 1 | TournamentWelgemoed Chess Challenge 2019 | TournamentWelgemoed Chess Challenge 2019 | ||||||
| date2019-02-23 | rnd5 | typeRapid | result1 | date2019-02-23 | rnd5 | typeRapid | result1 | ||
| OpponentKuhn, M (Max) | OpponentKuhn, M (Max) | ||||||||
| # | 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 | Lugwayi ,L (Liyabona) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 2 | Gaibe ,A (Aisha) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1178.4 | 753.4 | 1181.6 | 753.4 | 0 | 0 | 0 | 0 | ||||||
| 3 | Mouton ,S (Strom) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 4 | Akpagu ,M (Muna) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1263.4 | 838.4 | 1199.2 | 838.4 | 0 | 0 | 0 | 0 | ||||||
| 5 | Januarie ,M (Micherle) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1199.8 | 774.8 | 1199.8 | 774.8 | 0 | 0 | 0 | 0 | ||||||
| 6 | Vockerodt ,L (Liam) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1130 | 1555 | 1120 | 1555 | 0 | 0 | 0 | 0 | ||||||
| 7 | Ras ,H (Hanaan) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1376.2 | 1376.2 | 1388.3 | 1376.2 | 0 | 0 | 0 | 0 | ||||||
| 8 | Donaldson ,Z (Zainninossa) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1146.9 | 1571.9 | 1140.4 | 1571.9 | 0 | 0 | 0 | 0 | ||||||
| 9 | Ross ,S (Shenica) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 10 | Human ,I (Isabella) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

