PLAYER PAGE
Personal
Duvenhage, K (Karina)
Chess SA id
2940141711FIDE id
?Date of birth
1994-02-10 (Adult)Gender
FemaleRegion
Bojanala Platina (NBR)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-12-09Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1179.6 | 1172.8 | 1300 | 1300 |
| Raw rating | 1179.6 | 1172.8 | 1300 | 1300 |
| Weighted rating | 1177 | 1169.5 | 1299.7 | 1299.7 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 721.8 | 726.4 | 800 | 800 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 170.7 | 172.4 | 143.8 | 143.8 |
| Highest rating | 1315.12022-05-01 | 1318.52022-05-01 | 13002024-03-01 | 13002024-03-01 |
| Highest raw rating | 1221.82022-06-01 | 1226.42022-06-01 | 13002024-03-01 | 13002024-03-01 |
| Highest weighted rating | 1221.82023-12-01 | 1226.42023-12-01 | 1296.72025-08-01 | 1296.72025-08-01 |
| Highest weighted performance | 1315.12022-05-01 | 1318.52022-05-01 | 12002024-03-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1179.6 | 1172.8 | 1300 | 1300 |
| Analysis | ||||
| Rating | 1179.6 | 1172.8 | 1300 | 1300 |
| Raw rating | 1179.6 | 1172.8 | 1300 | 1300 |
| Weighted rating | 1177 | 1169.5 | 1299.7 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 721.8 | 726.4 | 800 | 800 |
| Max/Min rating change allowed | 170.7 | 172.4 | 143.8 | 143.8 |
| 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 | 1179.6 | 1172.8 | 1300 | 1300 |
| New weighted rating | 1177.4 | 1170 | 1300 | 1300 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1179.6 | 1172.8 | 1300 | 1300 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1179.6 | 1172.8 | 1300 | 1300 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 721.8 | 726.4 | 800 | 800 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 4 | 4 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 9 | 9 | 0 | 0 |
| Games since | |||||||||||||||||
| Main4 | Standard4 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Bojanala Platina (NBR) | ||||||||||||||||
| Province | Northwest (NW) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Female | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Female | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult 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 | 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 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 9 | 3 | 33.33 | -141.7 | 1251.3 | 1109.6 |
| Standard | 9 | 3 | 33.33 | -141.7 | 1251.3 | 1109.6 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1179.6 | 1172.8 | 1300 | 1300 |
| 2025-09-30 | 1179.6 | 1172.8 | 1300 | 1300 |
| 2025-09-01 | 1179.6 | 1172.8 | 1300 | 1300 |
| 2025-08-01 | 1179.6 | 1172.8 | 1300 | 1300 |
| 2025-07-01 | 1179.6 | 1172.8 | 1300 | 1300 |
| 2025-06-01 | 1179.6 | 1172.8 | 1300 | 1300 |
| 2025-05-01 | 1179.6 | 1172.8 | 1300 | 1300 |
| 2025-04-01 | 1179.6 | 1172.8 | 1300 | 1300 |
| 2025-03-01 | 1179.6 | 1172.8 | 1300 | 1300 |
| 2025-02-01 | 1179.6 | 1172.8 | 1300 | 1300 |
| 2025-01-01 | 1172.2 | 1163.4 | 1300 | 1300 |
| 2024-12-01 | 1172.2 | 1163.4 | 1300 | 1300 |
| 2024-11-01 | 1172.2 | 1163.4 | 1300 | 1300 |
| 2024-10-01 | 1172.2 | 1163.4 | 1300 | 1300 |
| 2024-09-01 | 1172.2 | 1163.4 | 1300 | 1300 |
| 2024-08-01 | 1172.2 | 1163.4 | 1300 | 1300 |
| 2024-07-01 | 1172.2 | 1163.4 | 1300 | 1300 |
| 2024-09-01 | 1172.2 | 1163.4 | 1300 | 1300 |
| 2024-05-01 | 1172.2 | 1163.4 | 1300 | 1300 |
| 2024-04-01 | 1172.2 | 1163.4 | 1300 | 1300 |
| 2024-03-01 | 1172.2 | 1163.4 | 1300 | 1300 |
| 2024-02-01 | 1172.2 | 1163.4 | 1300 | 1300 |
| 2024-01-01 | 1172.2 | 1163.4 | 1300 | 1300 |
| 2023-12-01 | 1172.2 | 1163.4 | 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 |
|---|
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Bojanala's Merry ChessMas 2023 (Rooks) | 2023-12-09 | 2023-12-09 | Standard | Bojanala Platina (NBR) | 5 | 4 | 0 | Yes | Analysis |
| 2 | Bojanala Fields Rapid-Blitz-Blindfold Champions 2022 (C) | 2022-05-28 | 2022-05-28 | Standard | Bojanala Platina (NBR) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentBojanala Fields Rapid-Blitz-Blindfold Champions 2022 | TournamentBojanala Fields Rapid-Blitz-Blindfold Champions 2022 | ||||||
| date2022-05-28 | rnd4 | typeStandard | result1 | date2022-05-28 | rnd5 | typeStandard | result1 | ||
| OpponentOkoli, C (Chidubem) | OpponentMafube, L (Lethokuhle Itumeleng) | ||||||||
| 2 | 1 | TournamentBojanala Fields Rapid-Blitz-Blindfold Champions 2022 | TournamentBojanala Fields Rapid-Blitz-Blindfold Champions 2022 | ||||||
| date2022-05-28 | rnd1 | typeStandard | result1 | date2022-05-28 | rnd1 | typeStandard | result1 | ||
| OpponentSmith, J (Jayden) | OpponentSmith, J (Jayden) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentBojanala Fields Rapid-Blitz-Blindfold Champions 2022 | TournamentBojanala Fields Rapid-Blitz-Blindfold Champions 2022 | ||||||
| date2022-05-28 | rnd4 | typeStandard | result1 | date2022-05-28 | rnd5 | typeStandard | result1 | ||
| OpponentOkoli, C (Chidubem) | OpponentMafube, L (Lethokuhle Itumeleng) | ||||||||
| 2 | 1 | TournamentBojanala Fields Rapid-Blitz-Blindfold Champions 2022 | TournamentBojanala Fields Rapid-Blitz-Blindfold Champions 2022 | ||||||
| date2022-05-28 | rnd1 | typeStandard | result1 | date2022-05-28 | rnd1 | typeStandard | result1 | ||
| OpponentSmith, J (Jayden) | OpponentSmith, J (Jayden) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentBojanala Fields Rapid-Blitz-Blindfold Champions 2022 | TournamentBojanala Fields Rapid-Blitz-Blindfold Champions 2022 | ||||||
| date2022-05-28 | rnd4 | typeStandard | result1 | date2022-05-28 | rnd5 | typeStandard | result1 | ||
| OpponentOkoli, C (Chidubem) | OpponentMafube, L (Lethokuhle Itumeleng) | ||||||||
| 2 | 1 | TournamentBojanala Fields Rapid-Blitz-Blindfold Champions 2022 | TournamentBojanala Fields Rapid-Blitz-Blindfold Champions 2022 | ||||||
| date2022-05-28 | rnd1 | typeStandard | result1 | date2022-05-28 | rnd1 | typeStandard | result1 | ||
| OpponentSmith, J (Jayden) | OpponentSmith, J (Jayden) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentBojanala Fields Rapid-Blitz-Blindfold Champions 2022 | TournamentBojanala Fields Rapid-Blitz-Blindfold Champions 2022 | ||||||
| date2022-05-28 | rnd4 | typeStandard | result1 | date2022-05-28 | rnd5 | typeStandard | result1 | ||
| OpponentOkoli, C (Chidubem) | OpponentMafube, L (Lethokuhle Itumeleng) | ||||||||
| 2 | 1 | TournamentBojanala Fields Rapid-Blitz-Blindfold Champions 2022 | TournamentBojanala Fields Rapid-Blitz-Blindfold Champions 2022 | ||||||
| date2022-05-28 | rnd1 | typeStandard | result1 | date2022-05-28 | rnd1 | typeStandard | result1 | ||
| OpponentSmith, J (Jayden) | OpponentSmith, J (Jayden) | ||||||||
| # | 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 | Wilson ,AE (Anthony) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1142.9 | 717.9 | 1119.4 | 717.9 | 0 | 0 | 0 | 0 | ||||||
| 2 | Lesejane ,T (Tshireletso) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1237 | 812 | 1246.4 | 812 | 0 | 0 | 0 | 0 | ||||||
| 3 | Rammitlwa ,M (Masedi) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1206.4 | 781.4 | 1205.2 | 781.4 | 0 | 0 | 0 | 0 | ||||||
| 4 | Mafube ,L (Lethokuhle Itumeleng) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1251.7 | 1676.7 | 1261.6 | 1676.7 | 0 | 0 | 0 | 0 | ||||||
| 5 | Crowie ,A (Allegra) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1460.9 | 1035.9 | 1448.2 | 1035.9 | 0 | 0 | 0 | 0 | ||||||
| 6 | Smith ,J (Jayden) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1195.6 | 1620.6 | 1194 | 1620.6 | 0 | 0 | 0 | 0 | ||||||
| 7 | Potgieter ,R (Reinhardt) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1285.8 | 860.8 | 1285.4 | 860.8 | 0 | 0 | 0 | 0 | ||||||
| 8 | Changara ,A (Alvis Tafadzwa) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1281.1 | 856.1 | 1268.8 | 856.1 | 0 | 0 | 0 | 0 | ||||||
| 9 | Okoli ,C (Chidubem) | 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 |
|---|---|---|---|---|---|---|---|---|