PLAYER PAGE
Personal
Koegelenberg, J (Jc)
Chess SA id
1120303288FIDE id
?Date of birth
2012-02-05 (U14)Gender
MaleRegion
Namakwa (NCN)Citizen
RSATitles
Chess SA registered
NoLast active game
2024-04-27Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1233.2 | 1240 | 1200 | 1200 |
| Raw rating | 1233.2 | 1240 | 1200 | 1200 |
| Weighted rating | 1230.9 | 1237.2 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 733.2 | 740 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 158.2 | 156.6 | 165.8 | 165.8 |
| Highest rating | 1362.42024-05-01 | 1360.42024-05-01 | 12002024-05-01 | 12002024-05-01 |
| Highest raw rating | 1233.22024-06-01 | 12402024-06-01 | 12002024-05-01 | 12002024-05-01 |
| Highest weighted rating | 1233.22024-10-01 | 12402024-10-01 | 12002024-05-01 | 12002024-05-01 |
| Highest weighted performance | 1362.42024-05-01 | 1360.42024-05-01 | 12002024-05-01 | 12002024-05-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1233.2 | 1240 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1233.2 | 1240 | 1200 | 1200 |
| Raw rating | 1233.2 | 1240 | 1200 | 1200 |
| Weighted rating | 1230.9 | 1237.2 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 733.2 | 740 | 700 | 700 |
| Max/Min rating change allowed | 158.2 | 156.6 | 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 | 1233.2 | 1240 | 1200 | 1200 |
| New weighted rating | 1231.5 | 1238 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1233.2 | 1240 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1233.2 | 1240 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 733.2 | 740 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 5 | 5 | 0 | 0 |
| Games since | |||||||||||||||||
| Main5 | Standard5 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U14 | ||||||||||||||||
| Region | Namakwa (NCN) | ||||||||||||||||
| Province | Northern Cape (NC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 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 | 5 | 3.5 | 70 | 170 | 1194.3 | 1364.3 |
| Standard | 5 | 3.5 | 70 | 170 | 1194.3 | 1364.3 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1233.2 | 1240 | 1200 | 1200 |
| 2025-09-30 | 1233.2 | 1240 | 1200 | 1200 |
| 2025-09-01 | 1233.2 | 1240 | 1200 | 1200 |
| 2025-08-01 | 1233.2 | 1240 | 1200 | 1200 |
| 2025-07-01 | 1233.2 | 1240 | 1200 | 1200 |
| 2025-06-01 | 1233.2 | 1240 | 1200 | 1200 |
| 2025-05-01 | 1233.2 | 1240 | 1200 | 1200 |
| 2025-04-01 | 1233.2 | 1240 | 1200 | 1200 |
| 2025-03-01 | 1233.2 | 1240 | 1200 | 1200 |
| 2025-02-01 | 1233.2 | 1240 | 1200 | 1200 |
| 2025-01-01 | 1233.2 | 1240 | 1200 | 1200 |
| 2024-12-01 | 1233.2 | 1240 | 1200 | 1200 |
| 2024-11-01 | 1233.2 | 1240 | 1200 | 1200 |
| 2024-10-01 | 1233.2 | 1240 | 1200 | 1200 |
| 2024-09-01 | 1233.2 | 1240 | 1200 | 1200 |
| 2024-08-01 | 1233.2 | 1240 | 1200 | 1200 |
| 2024-07-01 | 1233.2 | 1240 | 1200 | 1200 |
| 2024-09-01 | 1233.2 | 1240 | 1200 | 1200 |
| 2024-05-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-04-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-03-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-02-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-01-01 | 1200 | 1200 | 1200 | 1200 |
| 2023-12-01 | 1200 | 1200 | 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 | Namakwa Toernooi 27 April 2024 (U13) | 2024-04-27 | 2024-04-27 | Standard | Namakwa (NCN) | 5 | 5 | 3.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentNamakwa Toernooi 27 April 2024 | TournamentNamakwa Toernooi 27 April 2024 | ||||||
| date2024-04-27 | rnd4 | typeStandard | result1 | date2024-04-27 | rnd5 | typeStandard | result0.5 | ||
| OpponentOctober, L (Liam) | OpponentRamafalo, D (Darryl) | ||||||||
| 2 | 2 | TournamentNamakwa Toernooi 27 April 2024 | TournamentNamakwa Toernooi 27 April 2024 | ||||||
| date2024-04-27 | rnd1 | typeStandard | result1 | date2024-04-27 | rnd2 | typeStandard | result1 | ||
| OpponentSharma, A (Aadya) | OpponentOckhuizen, J (Justin) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentNamakwa Toernooi 27 April 2024 | TournamentNamakwa Toernooi 27 April 2024 | ||||||
| date2024-04-27 | rnd4 | typeStandard | result1 | date2024-04-27 | rnd5 | typeStandard | result0.5 | ||
| OpponentOctober, L (Liam) | OpponentRamafalo, D (Darryl) | ||||||||
| 2 | 2 | TournamentNamakwa Toernooi 27 April 2024 | TournamentNamakwa Toernooi 27 April 2024 | ||||||
| date2024-04-27 | rnd1 | typeStandard | result1 | date2024-04-27 | rnd2 | typeStandard | result1 | ||
| OpponentSharma, A (Aadya) | OpponentOckhuizen, J (Justin) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentNamakwa Toernooi 27 April 2024 | TournamentNamakwa Toernooi 27 April 2024 | ||||||
| date2024-04-27 | rnd1 | typeStandard | result1 | date2024-04-27 | rnd2 | typeStandard | result1 | ||
| OpponentSharma, A (Aadya) | OpponentOckhuizen, J (Justin) | ||||||||
| 2 | 1 | TournamentNamakwa Toernooi 27 April 2024 | TournamentNamakwa Toernooi 27 April 2024 | ||||||
| date2024-04-27 | rnd4 | typeStandard | result1 | date2024-04-27 | rnd4 | typeStandard | result1 | ||
| OpponentOctober, L (Liam) | OpponentOctober, L (Liam) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentNamakwa Toernooi 27 April 2024 | TournamentNamakwa Toernooi 27 April 2024 | ||||||
| date2024-04-27 | rnd1 | typeStandard | result1 | date2024-04-27 | rnd2 | typeStandard | result1 | ||
| OpponentSharma, A (Aadya) | OpponentOckhuizen, J (Justin) | ||||||||
| 2 | 1 | TournamentNamakwa Toernooi 27 April 2024 | TournamentNamakwa Toernooi 27 April 2024 | ||||||
| date2024-04-27 | rnd4 | typeStandard | result1 | date2024-04-27 | rnd4 | typeStandard | result1 | ||
| OpponentOctober, L (Liam) | OpponentOctober, L (Liam) | ||||||||
| # | 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 | Ramafalo ,D (Darryl) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1165.5 | 1165.5 | 1158.4 | 1165.5 | 0 | 0 | 0 | 0 | ||||||
| 2 | October ,L (Liam) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1235.2 | 1660.2 | 1238 | 1660.2 | 0 | 0 | 0 | 0 | ||||||
| 3 | Ockhuizen ,J (Justin) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1184.7 | 1609.7 | 1181.6 | 1609.7 | 0 | 0 | 0 | 0 | ||||||
| 4 | Van Den Heever ,J (Joshua) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1201.3 | 776.3 | 1201.6 | 776.3 | 0 | 0 | 0 | 0 | ||||||
| 5 | Sharma ,A (Aadya) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1184.7 | 1609.7 | 1181.6 | 1609.7 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|