PLAYER PAGE
Personal
De Koker, J (Jade)
Chess SA id
1070108194FIDE id
?Date of birth
2007-11-02 (U20)Gender
MaleRegion
Eden (WEG)Citizen
RSATitles
Chess SA registered
NoLast active game
2019-02-23Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 966.3 | 928 | 1200 | 1200 |
| Raw rating | 966.3 | 928 | 1200 | 1200 |
| Weighted rating | 966.3 | 928 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 231.3 | 244.3 | 165.8 | 165.8 |
| Highest rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002018-02-01 | 12002018-02-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002018-02-01 | 12002018-02-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 966.3 | 928 | 1200 | 1200 |
| Analysis | ||||
| Rating | 966.3 | 928 | 1200 | 1200 |
| Raw rating | 966.3 | 928 | 1200 | 1200 |
| Weighted rating | 966.3 | 928 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 231.3 | 244.3 | 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 | 966.3 | 928 | 1200 | 1200 |
| New weighted rating | 966.3 | 928 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 966.3 | 928 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 966.3 | 928 | 1200 | 1200 |
| 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 | 15 | 15 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U20 | ||||||||||||||||
| Region | Eden (WEG) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 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 | 15 | 3 | 20 | -255 | 987.9 | 732.9 |
| Standard | 15 | 3 | 20 | -255 | 987.9 | 732.9 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 966.3 | 928 | 1200 | 1200 |
| 2025-09-30 | 966.3 | 928 | 1200 | 1200 |
| 2025-09-01 | 966.3 | 928 | 1200 | 1200 |
| 2025-08-01 | 966.3 | 928 | 1200 | 1200 |
| 2025-07-01 | 966.3 | 928 | 1200 | 1200 |
| 2025-06-01 | 966.3 | 928 | 1200 | 1200 |
| 2025-05-01 | 966.3 | 928 | 1200 | 1200 |
| 2025-04-01 | 966.3 | 928 | 1200 | 1200 |
| 2025-03-01 | 966.3 | 928 | 1200 | 1200 |
| 2025-02-01 | 966.3 | 928 | 1200 | 1200 |
| 2025-01-01 | 966.3 | 928 | 1200 | 1200 |
| 2024-12-01 | 966.3 | 928 | 1200 | 1200 |
| 2024-11-01 | 966.3 | 928 | 1200 | 1200 |
| 2024-10-01 | 966.3 | 928 | 1200 | 1200 |
| 2024-09-01 | 966.3 | 928 | 1200 | 1200 |
| 2024-08-01 | 966.3 | 928 | 1200 | 1200 |
| 2024-07-01 | 966.3 | 928 | 1200 | 1200 |
| 2024-09-01 | 966.3 | 928 | 1200 | 1200 |
| 2024-05-01 | 966.3 | 928 | 1200 | 1200 |
| 2024-04-01 | 966.3 | 928 | 1200 | 1200 |
| 2024-03-01 | 966.3 | 928 | 1200 | 1200 |
| 2024-02-01 | 966.3 | 928 | 1200 | 1200 |
| 2024-01-01 | 966.3 | 928 | 1200 | 1200 |
| 2023-12-01 | 966.3 | 928 | 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 | George Trials 3 2019 (U14) | 2019-02-23 | 2019-02-23 | Standard | Eden (WEG) | 5 | 5 | 2 | Yes | Analysis |
| 2 | George Trials 2 2019 (U14) | 2019-02-09 | 2019-02-09 | Standard | Eden (WEG) | 5 | 5 | 1 | Yes | Analysis |
| 3 | George Trials 1 2019 (U14) | 2019-01-26 | 2019-01-26 | Standard | Eden (WEG) | 5 | 5 | 0 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentGeorge Trials 3 2019 | TournamentGeorge Trials 3 2019 | ||||||
| date2019-02-23 | rnd3 | typeStandard | result1 | date2019-02-23 | rnd5 | typeStandard | result0.5 | ||
| OpponentCarolus, Z (Zirkquin) | OpponentGould, N (Nakisha) | ||||||||
| 2 | 1 | TournamentGeorge Trials 2 2019 | TournamentGeorge Trials 2 2019 | ||||||
| date2019-02-09 | rnd5 | typeStandard | result1 | date2019-02-09 | rnd5 | typeStandard | result1 | ||
| OpponentSmith, J (Josh) | OpponentSmith, J (Josh) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentGeorge Trials 3 2019 | TournamentGeorge Trials 3 2019 | ||||||
| date2019-02-23 | rnd3 | typeStandard | result1 | date2019-02-23 | rnd5 | typeStandard | result0.5 | ||
| OpponentCarolus, Z (Zirkquin) | OpponentGould, N (Nakisha) | ||||||||
| 2 | 1 | TournamentGeorge Trials 2 2019 | TournamentGeorge Trials 2 2019 | ||||||
| date2019-02-09 | rnd5 | typeStandard | result1 | date2019-02-09 | rnd5 | typeStandard | result1 | ||
| OpponentSmith, J (Josh) | OpponentSmith, J (Josh) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentGeorge Trials 3 2019 | TournamentGeorge Trials 3 2019 | ||||||
| date2019-02-23 | rnd3 | typeStandard | result1 | date2019-02-23 | rnd3 | typeStandard | result1 | ||
| OpponentCarolus, Z (Zirkquin) | OpponentCarolus, Z (Zirkquin) | ||||||||
| 2 | 1 | TournamentGeorge Trials 2 2019 | TournamentGeorge Trials 2 2019 | ||||||
| date2019-02-09 | rnd5 | typeStandard | result1 | date2019-02-09 | rnd5 | typeStandard | result1 | ||
| OpponentSmith, J (Josh) | OpponentSmith, J (Josh) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentGeorge Trials 3 2019 | TournamentGeorge Trials 3 2019 | ||||||
| date2019-02-23 | rnd3 | typeStandard | result1 | date2019-02-23 | rnd3 | typeStandard | result1 | ||
| OpponentCarolus, Z (Zirkquin) | OpponentCarolus, Z (Zirkquin) | ||||||||
| 2 | 1 | TournamentGeorge Trials 2 2019 | TournamentGeorge Trials 2 2019 | ||||||
| date2019-02-09 | rnd5 | typeStandard | result1 | date2019-02-09 | rnd5 | typeStandard | result1 | ||
| OpponentSmith, J (Josh) | OpponentSmith, J (Josh) | ||||||||
| # | 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 | Bezuidenhout ,J (Jacques) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 653.3 | 228.3 | 682.8 | 228.3 | 0 | 0 | 0 | 0 | ||||||
| 2 | Carolus ,Z (Zirkquin) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1103.1 | 1528.1 | 1149.6 | 1528.1 | 0 | 0 | 0 | 0 | ||||||
| 3 | Van Zyl ,I (Izak) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1001.8 | 576.8 | 965.6 | 576.8 | 0 | 0 | 0 | 0 | ||||||
| 4 | Van As ,A (Abrie) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 666.2 | 241.2 | 666.2 | 241.2 | 0 | 0 | 0 | 0 | ||||||
| 5 | Gould ,N (Nakisha) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1133.3 | 1133.3 | 1122.8 | 1133.3 | 0 | 0 | 0 | 0 | ||||||
| 6 | Jacobs ,C (Charzey) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1034.2 | 609.2 | 1034.2 | 609.2 | 0 | 0 | 0 | 0 | ||||||
| 7 | Badenhorst ,R (Renee) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1059.9 | 634.9 | 1064.6 | 634.9 | 0 | 0 | 0 | 0 | ||||||
| 8 | Smith ,J (Josh) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1127.6 | 1552.6 | 1112.8 | 1552.6 | 0 | 0 | 0 | 0 | ||||||
| 9 | Damons ,R (Rowan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 10 | Kiewiet ,X (Xzavior) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

