PLAYER PAGE
Personal
Botha, CF (Cornelius Frede)
Chess SA id
1630111422FIDE id
?Date of birth
1963-03-13 (Adult)Gender
MaleRegion
Cape Winelands (WCW)Citizen
RSATitles
Chess SA registered
NoLast active game
2022-09-25Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1015.6 | 964.8 | 1300 | 1300 |
| Raw rating | 1015.6 | 964.8 | 1300 | 1300 |
| Weighted rating | 1015.4 | 964.8 | 1299.7 | 1299.7 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 700 | 800 | 800 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 215.7 | 231.8 | 143.8 | 143.8 |
| Highest rating | 12002018-10-01 | 12002018-10-01 | 13002024-02-01 | 13002024-02-01 |
| Highest raw rating | 12002018-01-01 | 12002018-01-01 | 13002024-02-01 | 13002024-02-01 |
| Highest weighted rating | 12002018-10-01 | 12002018-10-01 | 1296.72025-08-01 | 1296.72025-08-01 |
| Highest weighted performance | 12002018-01-01 | 12002018-01-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1015.6 | 964.8 | 1300 | 1300 |
| Analysis | ||||
| Rating | 1015.6 | 964.8 | 1300 | 1300 |
| Raw rating | 1015.6 | 964.8 | 1300 | 1300 |
| Weighted rating | 1015.4 | 964.8 | 1299.7 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 800 | 800 |
| Max/Min rating change allowed | 215.7 | 231.8 | 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 | 1015.6 | 964.8 | 1300 | 1300 |
| New weighted rating | 1015.6 | 964.8 | 1300 | 1300 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1015.6 | 964.8 | 1300 | 1300 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1015.6 | 964.8 | 1300 | 1300 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 700 | 800 | 800 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 9 | 9 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 13 | 13 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Cape Winelands (WCW) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -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 | 13 | 0 | 0 | -425 | 1151.9 | 726.9 |
| Standard | 13 | 0 | 0 | -425 | 1151.9 | 726.9 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2025-09-30 | 1015.6 | 964.8 | 1300 | 1300 |
| 2025-09-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2025-08-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2025-07-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2025-06-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2025-05-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2025-04-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2025-03-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2025-02-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2025-01-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2024-12-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2024-11-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2024-10-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2024-09-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2024-08-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2024-07-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2024-09-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2024-05-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2024-04-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2024-03-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2024-02-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2024-01-01 | 1015.6 | 964.8 | 1300 | 1300 |
| 2023-12-01 | 984.4 | 964.8 | 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 | Western Cape Closed Championship 2022 (Open) | 2022-09-24 | 2022-09-25 | Standard | Cape Winelands (WCW) | 6 | 5 | 0 | Yes | Analysis |
| 2 | SA Braille 2022 | 2022-04-16 | 2022-04-17 | Standard | Cape Winelands (WCW) | 5 | 4 | 0 | Yes | Analysis |
| 3 | SA Braille Worcester 2019 | 2019-03-23 | 2019-03-24 | Standard | Cape Winelands (WCW) | 5 | 4 | 0 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
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| # | Games | Start | End | ||||||
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| # | Games | Start | End | ||||||
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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 | Kriel ,IM (Isabel Mare) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1107.5 | 682.5 | 1101.6 | 682.5 | 0 | 0 | 0 | 0 | ||||||
| 2 | Meyer ,L (Lukas) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 952.8 | 527.8 | 953.6 | 527.8 | 0 | 0 | 0 | 0 | ||||||
| 3 | Drury ,N (Nicholas) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1246.9 | 821.9 | 1270.7 | 821.9 | 0 | 0 | 0 | 0 | ||||||
| 4 | Henning ,J (Johan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1081.7 | 656.7 | 1088.4 | 656.7 | 0 | 0 | 0 | 0 | ||||||
| 5 | Amar ,J (James) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1354.9 | 929.9 | 1279.6 | 929.9 | 0 | 0 | 0 | 0 | ||||||
| 6 | Gcuze ,K (Khanya) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1227.7 | 802.7 | 1217.9 | 802.7 | 0 | 0 | 0 | 0 | ||||||
| 7 | Geyer ,D (David) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1202.9 | 777.9 | 1203.4 | 777.9 | 0 | 0 | 0 | 0 | ||||||
| 8 | Koti ,Z (Zinathi) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1068.9 | 643.9 | 1095.6 | 643.9 | 0 | 0 | 0 | 0 | ||||||
| 9 | Conradie ,AF (Abram Francois) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1198.7 | 773.7 | 1185.8 | 773.7 | 0 | 0 | 0 | 0 | ||||||
| 10 | Sihamba ,S (Somila) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1223.5 | 798.5 | 1182.8 | 798.5 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|