PLAYER PAGE
Personal
Botha, C (Calum)
Chess SA id
1050098209FIDE id
?Date of birth
2005-02-01 (Adult)Gender
MaleRegion
Ekurhuleni (GE)Citizen
RSATitles
Chess SA registered
NoLast active game
2018-12-20Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1166.6 | 1168 | 1200 | 1100.4 |
| Raw rating | 1166.6 | 1168 | 1200 | 1100.4 |
| Weighted rating | 1166.6 | 1168 | 1200 | 1100.4 |
| Weighted performance | 123.8 | 122.7 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 173.9 | 173.6 | 165.8 | 191.1 |
| Highest rating | 12002018-02-01 | 12002018-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002018-02-01 | 12002018-02-01 | 12002024-02-01 | 12002018-02-01 |
| Highest weighted rating | 12002018-02-01 | 12002018-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002018-02-01 | 12002018-02-01 | 12002024-02-01 | 12002018-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1166.6 | 1168 | 1200 | 1100.4 |
| Analysis | ||||
| Rating | 1166.6 | 1168 | 1200 | 1100.4 |
| Raw rating | 1166.6 | 1168 | 1200 | 1100.4 |
| Weighted rating | 1166.6 | 1168 | 1200 | |
| Weighted performance | 123.8 | 122.7 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 173.9 | 173.6 | 165.8 | 191.1 |
| 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 | 1166.6 | 1168 | 1200 | 1100.4 |
| New weighted rating | 1166.6 | 1168 | 1200 | 1100.4 |
| New weighted performance | 117.3 | 116.2 | 0 | 0 |
| Temp new rating | 1166.6 | 1168 | 1200 | 1100.4 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1166.6 | 1168 | 1200 | 1100.4 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 700 | 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 | 50 | 46 | 0 | 4 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Ekurhuleni (GE) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| 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 | 50 | 27 | 54 | 34 | 1016.1 | 1050.1 |
| Standard | 46 | 27 | 58.7 | 73.9 | 997.2 | 1071.1 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 4 | 0 | 0 | -425 | 1233.1 | 808.1 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2025-09-30 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2025-09-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2025-08-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2025-07-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2025-06-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2025-05-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2025-04-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2025-03-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2025-02-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2025-01-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2024-12-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2024-11-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2024-10-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2024-09-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2024-08-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2024-07-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2024-09-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2024-05-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2024-04-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2024-03-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2024-02-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2024-01-01 | 1166.6 | 1168 | 1200 | 1100.4 |
| 2023-12-01 | 1166.6 | 1168 | 1200 | 1100.4 |
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 | South African Junior Blitz 2018 (U14) | 2018-12-19 | 2018-12-19 | Blitz | 4 Knights (4K) | 7 | 4 | 0 | Yes | Analysis |
| 2 | South African Junior Team Championships 2018 (U14E) | 2018-12-16 | 2018-12-20 | Standard | 4 Knights (4K) | 7 | 7 | 6 | Yes | Analysis |
| 3 | Ekurhuleni Open 2018 (C) | 2018-08-18 | 2018-08-18 | Standard | Ekurhuleni (GE) | 5 | 5 | 3 | Yes | Analysis |
| 4 | Witfield Open 2018 (C) | 2018-07-21 | 2018-07-21 | Standard | Ekurhuleni (GE) | 5 | 5 | 3.5 | Yes | Analysis |
| 5 | 2018 Swartkop Open (C) | 2018-06-23 | 2018-06-23 | Standard | Tshwane (GTP) | 5 | 4 | 1 | Yes | Analysis |
| 6 | Primrose Chess Club Open 2018 (D) | 2018-06-02 | 2018-06-02 | Standard | Ekurhuleni (GE) | 5 | 5 | 5 | Yes | Analysis |
| 7 | Ekurhuleni Trials 3 2018 (U14) | 2018-06-16 | 2018-06-16 | Standard | Ekurhuleni (GE) | 5 | 5 | 2 | Yes | Analysis |
| 8 | JNW Club - Bryanston Open 2 2018 (D) | 2018-05-05 | 2018-05-05 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2 | Yes | Analysis |
| 9 | Ekurhuleni Trials 2 2018 (U14) | 2018-04-21 | 2018-04-21 | Standard | Ekurhuleni (GE) | 5 | 5 | 2.5 | Yes | Analysis |
| 10 | Ekurhuleni Trials 1 2018 (U14) | 2018-03-10 | 2018-03-10 | Standard | Ekurhuleni (GE) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentPrimrose Chess Club Open 2018 | TournamentEkurhuleni Trials 3 2018 | ||||||
| date2018-06-02 | rnd1 | typeStandard | result1 | date2018-06-16 | rnd1 | typeStandard | result1 | ||
| OpponentLubedu, B (Bonginkosi) | OpponentDe Beer, J (Janka) | ||||||||
| 2 | 4 | TournamentSouth African Junior Team Championships 2018 | TournamentSouth African Junior Team Championships 2018 | ||||||
| date2018-12-17 | rnd3 | typeStandard | result1 | date2018-12-19 | rnd6 | typeStandard | result1 | ||
| OpponentZeuner, H (Heinz) | OpponentGovender, C (Chaneeka) | ||||||||
| 3 | 3 | TournamentWitfield Open 2018 | TournamentEkurhuleni Open 2018 | ||||||
| date2018-07-21 | rnd4 | typeStandard | result0.5 | date2018-08-18 | rnd1 | typeStandard | result1 | ||
| OpponentAttwell, R (Rowan) | OpponentJanse Van Rensburg, J (Jayden) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentPrimrose Chess Club Open 2018 | TournamentEkurhuleni Trials 3 2018 | ||||||
| date2018-06-02 | rnd1 | typeStandard | result1 | date2018-06-16 | rnd1 | typeStandard | result1 | ||
| OpponentLubedu, B (Bonginkosi) | OpponentDe Beer, J (Janka) | ||||||||
| 2 | 5 | TournamentSouth African Junior Team Championships 2018 | TournamentSouth African Junior Team Championships 2018 | ||||||
| date2018-12-17 | rnd3 | typeStandard | result1 | date2018-12-20 | rnd7 | typeStandard | result1 | ||
| OpponentZeuner, H (Heinz) | OpponentNtshangase, N (Nkululeko) | ||||||||
| 3 | 3 | TournamentWitfield Open 2018 | TournamentEkurhuleni Open 2018 | ||||||
| date2018-07-21 | rnd4 | typeStandard | result0.5 | date2018-08-18 | rnd1 | typeStandard | result1 | ||
| OpponentAttwell, R (Rowan) | OpponentJanse Van Rensburg, J (Jayden) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentPrimrose Chess Club Open 2018 | TournamentEkurhuleni Trials 3 2018 | ||||||
| date2018-06-02 | rnd1 | typeStandard | result1 | date2018-06-16 | rnd1 | typeStandard | result1 | ||
| OpponentLubedu, B (Bonginkosi) | OpponentDe Beer, J (Janka) | ||||||||
| 2 | 4 | TournamentSouth African Junior Team Championships 2018 | TournamentSouth African Junior Team Championships 2018 | ||||||
| date2018-12-17 | rnd3 | typeStandard | result1 | date2018-12-19 | rnd6 | typeStandard | result1 | ||
| OpponentZeuner, H (Heinz) | OpponentGovender, C (Chaneeka) | ||||||||
| 3 | 2 | TournamentEkurhuleni Open 2018 | TournamentSouth African Junior Team Championships 2018 | ||||||
| date2018-08-18 | rnd5 | typeStandard | result1 | date2018-12-16 | rnd1 | typeStandard | result1 | ||
| OpponentScheepers, D (Divan) | OpponentBeere, A (Aidan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentPrimrose Chess Club Open 2018 | TournamentEkurhuleni Trials 3 2018 | ||||||
| date2018-06-02 | rnd1 | typeStandard | result1 | date2018-06-16 | rnd1 | typeStandard | result1 | ||
| OpponentLubedu, B (Bonginkosi) | OpponentDe Beer, J (Janka) | ||||||||
| 2 | 5 | TournamentSouth African Junior Team Championships 2018 | TournamentSouth African Junior Team Championships 2018 | ||||||
| date2018-12-17 | rnd3 | typeStandard | result1 | date2018-12-20 | rnd7 | typeStandard | result1 | ||
| OpponentZeuner, H (Heinz) | OpponentNtshangase, N (Nkululeko) | ||||||||
| 3 | 2 | TournamentEkurhuleni Open 2018 | TournamentSouth African Junior Team Championships 2018 | ||||||
| date2018-08-18 | rnd5 | typeStandard | result1 | date2018-12-16 | rnd1 | typeStandard | result1 | ||
| OpponentScheepers, D (Divan) | OpponentBeere, A (Aidan) | ||||||||
| # | 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 | Arthur ,T (Ty) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 832.7 | 832.7 | 843.4 | 832.7 | 0 | 0 | 0 | 0 | ||||||
| 2 | Waring ,G (Gabriel) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 705.9 | 1130.9 | 704.4 | 1130.9 | 0 | 0 | 0 | 0 | ||||||
| 3 | Singh ,N (Nimai) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1083.1 | 658.1 | 1035.2 | 658.1 | 0 | 0 | 0 | 0 | ||||||
| 4 | Nayak ,D (Dhwani) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1167.1 | 1592.1 | 1160.4 | 1592.1 | 0 | 0 | 0 | 0 | ||||||
| 5 | Flockhart ,E (Elijah) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 952.5 | 527.5 | 914.4 | 527.5 | 0 | 0 | 0 | 0 | ||||||
| 6 | Ntshangase ,N (Nkululeko) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1157.8 | 1582.8 | 1151.6 | 1582.8 | 0 | 0 | 0 | 0 | ||||||
| 7 | Scheepers ,D (Divan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1071 | 1496 | 1070 | 1496 | 0 | 0 | 0 | 0 | ||||||
| 8 | Smit ,J (Jan-Daniel) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 757.1 | 332.1 | 750.6 | 332.1 | 0 | 0 | 0 | 0 | ||||||
| 9 | Gibbens ,JJW (James) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 994 | 994 | 997 | 994 | 0 | 0 | 0 | 0 | ||||||
| 10 | Rossouw ,W (Wessel Johannes) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1098.7 | 673.7 | 1079.2 | 673.7 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

