PLAYER PAGE
Personal

Havenga, CJ (Christie Johanna)
Chess SA id
203084539FIDE id
?Date of birth
2003-10-28 (Adult)Gender
FemaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2019-08-24Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
Rating | 1216.4 | 1224.5 | 1200 | 1200 |
Raw rating | 1216.4 | 1224.5 | 1200 | 1200 |
Weighted rating | 1216.4 | 1224.5 | 1200 | 1200 |
Weighted performance | 229.6 | 231 | 0 | 0 |
Floor | 735.9 | 743.2 | 700 | 700 |
K-factor | 36 | 36 | 36 | 36 |
Min/Max rating change allowed | 162 | 160.1 | 165.8 | 165.8 |
Highest rating | 1283.52018-05-01 | 1286.12018-05-01 | 12002018-10-01 | 12002018-10-01 |
Highest raw rating | 1235.92018-06-01 | 1243.22018-06-01 | 12002024-02-01 | 12002024-02-01 |
Highest weighted rating | 1235.92019-02-01 | 1243.22019-02-01 | 12002018-10-01 | 12002018-10-01 |
Highest weighted performance | 1283.52018-05-01 | 1286.12018-05-01 | 12002024-02-01 | 12002024-02-01 |
Prediction | ||||
---|---|---|---|---|
Item | Main | Standard | Rapid | Blitz |
Rating change | 0 | 0 | 0 | 0 |
New rating | 1216.4 | 1224.5 | 1200 | 1200 |
Analysis | ||||
Rating | 1216.4 | 1224.5 | 1200 | 1200 |
Raw rating | 1216.4 | 1224.5 | 1200 | 1200 |
Weighted rating | 1216.4 | 1224.5 | 1200 | |
Weighted performance | 229.6 | 231 | 0 | |
K-factor | 36 | 36 | 36 | 36 |
Floor | 735.9 | 743.2 | 700 | 700 |
Max/Min rating change allowed | 162 | 160.1 | 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 | 1216.4 | 1224.5 | 1200 | 1200 |
New weighted rating | 1216.4 | 1224.5 | 1200 | 1200 |
New weighted performance | 229.2 | 230.6 | 0 | 0 |
Temp new rating | 1216.4 | 1224.5 | 1200 | 1200 |
Temp new rating +/- | 0 | 0 | 0 | 0 |
Final new rating +/- | 0 | 0 | 0 | 0 |
New rating | 1216.4 | 1224.5 | 1200 | 1200 |
New K-factor | 36 | 36 | 36 | 36 |
New floor | 735.9 | 743.2 | 700 | 700 |
Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
History | 29 | 29 | 0 | 0 |
Games since | |||||||||||||||||
Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
Gender | Female | ||||||||||||||||
Age group | Adult | ||||||||||||||||
Region | Tshwane (GTP) | ||||||||||||||||
Province | Gauteng (GT) | ||||||||||||||||
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 | 24 | 15 | 62.5 | 106.2 | 1094.4 | 1200.6 |
Standard | 24 | 15 | 62.5 | 106.2 | 1094.4 | 1200.6 |
Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
Date | Main | Standard | Rapid | Blitz |
2025-09-30 | 1216.4 | 1224.5 | 1200 | 1200 |
2025-09-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2025-08-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2025-07-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2025-06-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2025-05-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2025-04-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2025-03-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2025-02-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2025-01-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2024-12-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2024-11-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2024-10-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2024-09-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2024-08-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2024-07-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2024-06-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2024-08-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2024-04-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2024-03-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2024-02-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2024-01-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2023-12-01 | 1216.4 | 1224.5 | 1200 | 1200 |
2023-11-01 | 1216.4 | 1224.5 | 1200 | 1200 |
Comming soon.
Tournaments
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
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# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
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Last 500 tournaments since 01 January 2018
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
---|---|---|---|---|---|---|---|---|---|---|
1 | 2019 Gauteng School League Finals (U17 Open) | 2019-08-24 | 2019-08-24 | Standard | Tshwane (GTP) | 5 | 4 | 3.5 | Yes | Analysis |
2 | 2019 Gauteng Secondary Schools Individual Chess Championships (U18 Girls) | 2019-05-25 | 2019-05-25 | Standard | Tshwane (GTP) | 5 | 5 | 3.5 | Yes | Analysis |
3 | Grey College Team Championship 2019 (A) | 2019-02-22 | 2019-02-23 | Standard | Mangaung (FMB) | 5 | 5 | 1 | Yes | Analysis |
4 | 2018 Gauteng Secondary Schools Individual Chess Championships (U15 Girls) | 2018-05-26 | 2018-05-26 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
5 | Grey College Inter Team Chess Tournament 2018 (B) | 2018-02-23 | 2018-02-24 | Standard | Mangaung (FMB) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 6 | Tournament2019 Gauteng Secondary Schools Individual Chess Championships | Tournament2019 Gauteng School League Finals | ||||||
date2019-05-25 | rnd4 | typeStandard | result0.5 | date2019-08-24 | rnd4 | typeStandard | result1 | ||
OpponentKerr, Z (Zandile) | OpponentKekana, T (Thabang) | ||||||||
2 | 4 | TournamentGrey College Inter Team Chess Tournament 2018 | Tournament2018 Gauteng Secondary Schools Individual Chess Championships | ||||||
date2018-02-24 | rnd4 | typeStandard | result1 | date2018-05-26 | rnd2 | typeStandard | result1 | ||
OpponentRoux, AJ (Andre Johan) | OpponentKhanyisile, T (Thuse) | ||||||||
3 | 3 | TournamentGrey College Team Championship 2019 | Tournament2019 Gauteng Secondary Schools Individual Chess Championships | ||||||
date2019-02-23 | rnd5 | typeStandard | result0.5 | date2019-05-25 | rnd2 | typeStandard | result1 | ||
OpponentMaile, E (Edward) | OpponentLunga, S (Sandisiwe) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 6 | Tournament2019 Gauteng Secondary Schools Individual Chess Championships | Tournament2019 Gauteng School League Finals | ||||||
date2019-05-25 | rnd4 | typeStandard | result0.5 | date2019-08-24 | rnd4 | typeStandard | result1 | ||
OpponentKerr, Z (Zandile) | OpponentKekana, T (Thabang) | ||||||||
2 | 4 | TournamentGrey College Inter Team Chess Tournament 2018 | Tournament2018 Gauteng Secondary Schools Individual Chess Championships | ||||||
date2018-02-24 | rnd4 | typeStandard | result1 | date2018-05-26 | rnd2 | typeStandard | result1 | ||
OpponentRoux, AJ (Andre Johan) | OpponentKhanyisile, T (Thuse) | ||||||||
3 | 3 | TournamentGrey College Team Championship 2019 | Tournament2019 Gauteng Secondary Schools Individual Chess Championships | ||||||
date2019-02-23 | rnd5 | typeStandard | result0.5 | date2019-05-25 | rnd2 | typeStandard | result1 | ||
OpponentMaile, E (Edward) | OpponentLunga, S (Sandisiwe) |
# | Games | Start | End |
---|
# | Games | Start | End |
---|
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 4 | TournamentGrey College Inter Team Chess Tournament 2018 | Tournament2018 Gauteng Secondary Schools Individual Chess Championships | ||||||
date2018-02-24 | rnd4 | typeStandard | result1 | date2018-05-26 | rnd2 | typeStandard | result1 | ||
OpponentRoux, AJ (Andre Johan) | OpponentKhanyisile, T (Thuse) | ||||||||
2 | 2 | Tournament2019 Gauteng School League Finals | Tournament2019 Gauteng School League Finals | ||||||
date2019-08-24 | rnd3 | typeStandard | result1 | date2019-08-24 | rnd4 | typeStandard | result1 | ||
OpponentSetsome, G (Grace) | OpponentKekana, T (Thabang) | ||||||||
3 | 2 | Tournament2019 Gauteng Secondary Schools Individual Chess Championships | Tournament2019 Gauteng School League Finals | ||||||
date2019-05-25 | rnd5 | typeStandard | result1 | date2019-08-24 | rnd1 | typeStandard | result1 | ||
OpponentRamphele, B (Brenda) | OpponentVan Den Berg, H (Hanno) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 4 | TournamentGrey College Inter Team Chess Tournament 2018 | Tournament2018 Gauteng Secondary Schools Individual Chess Championships | ||||||
date2018-02-24 | rnd4 | typeStandard | result1 | date2018-05-26 | rnd2 | typeStandard | result1 | ||
OpponentRoux, AJ (Andre Johan) | OpponentKhanyisile, T (Thuse) | ||||||||
2 | 2 | Tournament2019 Gauteng School League Finals | Tournament2019 Gauteng School League Finals | ||||||
date2019-08-24 | rnd3 | typeStandard | result1 | date2019-08-24 | rnd4 | typeStandard | result1 | ||
OpponentSetsome, G (Grace) | OpponentKekana, T (Thabang) | ||||||||
3 | 2 | Tournament2019 Gauteng Secondary Schools Individual Chess Championships | Tournament2019 Gauteng School League Finals | ||||||
date2019-05-25 | rnd5 | typeStandard | result1 | date2019-08-24 | rnd1 | typeStandard | result1 | ||
OpponentRamphele, B (Brenda) | OpponentVan Den Berg, H (Hanno) |
# | 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 | Khanyisile ,T (Thuse) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
2 | Monegi ,L (Leagilwe) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
1125.1 | 1125.1 | 1135.6 | 1125.1 | 0 | 0 | 0 | 0 | ||||||
3 | Fihla ,NR (Nombulelo Regina) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1297.7 | 872.7 | 1301.2 | 872.7 | 0 | 0 | 0 | 0 | ||||||
4 | Lara ,K (Katleho) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
5 | Makwabe ,V (Vuyo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
6 | Ndaba ,B (Bonga) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
7 | Davids ,R (Rameez) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1180.1 | 755.1 | 1176 | 755.1 | 0 | 0 | 0 | 0 | ||||||
8 | Setsome ,G (Grace) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1133.9 | 1558.9 | 1118.8 | 1558.9 | 0 | 0 | 0 | 0 | ||||||
9 | Maile ,E (Edward) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
1100.6 | 1100.6 | 1085.2 | 1100.6 | 0 | 0 | 0 | 0 | ||||||
10 | Van Den Berg ,H (Hanno) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1130.4 | 1555.4 | 1151.8 | 1555.4 | 0 | 0 | 0 | 0 |
Norms
# | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
---|---|---|---|---|---|---|---|---|