PLAYER PAGE
Personal
Niewenhuizen, J (Jan-Hendrik)
Chess SA id
1120138600FIDE id
?Date of birth
2012-04-24 (U14)Gender
MaleRegion
Cape Town (WCT)Citizen
RSATitles
Chess SA registered
NoLast active game
2024-02-03Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1198.8 | 1186.7 | 1202.4 | 1200 |
| Raw rating | 1198.8 | 1186.7 | 1202.4 | 1200 |
| Weighted rating | 1197.9 | 1185.4 | 1202.4 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 707.4 | 700 | 702.4 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 166.1 | 169 | 165.2 | 165.8 |
| Highest rating | 1207.42024-02-01 | 12002018-10-01 | 1210.32022-03-01 | 12002018-10-01 |
| Highest raw rating | 1207.42024-02-01 | 12002024-02-01 | 1202.42024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1207.42024-02-01 | 12002018-10-01 | 1202.42024-03-01 | 12002018-10-01 |
| Highest weighted performance | 12002020-01-01 | 12002020-01-01 | 1210.32022-03-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1198.8 | 1186.7 | 1202.4 | 1200 |
| Analysis | ||||
| Rating | 1198.8 | 1186.7 | 1202.4 | 1200 |
| Raw rating | 1198.8 | 1186.7 | 1202.4 | 1200 |
| Weighted rating | 1197.9 | 1185.4 | 1202.4 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 707.4 | 700 | 702.4 | 700 |
| Max/Min rating change allowed | 166.1 | 169 | 165.2 | 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 | 1198.8 | 1186.7 | 1202.4 | 1200 |
| New weighted rating | 1197.9 | 1185.4 | 1202.4 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1198.8 | 1186.7 | 1202.4 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1198.8 | 1186.7 | 1202.4 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 707.4 | 700 | 702.4 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 6 | 0 | 6 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 11 | 5 | 6 | 0 |
| Games since | |||||||||||||||||
| Main5 | Standard5 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U14 | ||||||||||||||||
| Region | Cape Town (WCT) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| 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 | 11 | 5 | 45.45 | -38.6 | 1232.4 | 1193.8 |
| Standard | 5 | 2 | 40 | -85 | 1219.7 | 1134.7 |
| Rapid | 6 | 3 | 50 | 0 | 1243 | 1243 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1198.8 | 1186.7 | 1202.4 | 1200 |
| 2025-09-30 | 1198.8 | 1186.7 | 1202.4 | 1200 |
| 2025-09-01 | 1198.8 | 1186.7 | 1202.4 | 1200 |
| 2025-08-01 | 1198.8 | 1186.7 | 1202.4 | 1200 |
| 2025-07-01 | 1198.8 | 1186.7 | 1202.4 | 1200 |
| 2025-06-01 | 1198.8 | 1186.7 | 1202.4 | 1200 |
| 2025-05-01 | 1198.8 | 1186.7 | 1202.4 | 1200 |
| 2025-04-01 | 1198.8 | 1186.7 | 1202.4 | 1200 |
| 2025-03-01 | 1198.8 | 1186.7 | 1202.4 | 1200 |
| 2025-02-01 | 1198.7 | 1186.7 | 1202.4 | 1200 |
| 2025-01-01 | 1195.7 | 1182 | 1202.4 | 1200 |
| 2024-12-01 | 1195.7 | 1182 | 1202.4 | 1200 |
| 2024-11-01 | 1195.7 | 1182 | 1202.4 | 1200 |
| 2024-10-01 | 1195.7 | 1182 | 1202.4 | 1200 |
| 2024-09-01 | 1195.7 | 1182 | 1202.4 | 1200 |
| 2024-08-01 | 1195.7 | 1182 | 1202.4 | 1200 |
| 2024-07-01 | 1195.7 | 1182 | 1202.4 | 1200 |
| 2024-09-01 | 1195.7 | 1182 | 1202.4 | 1200 |
| 2024-05-01 | 1195.7 | 1182 | 1202.4 | 1200 |
| 2024-04-01 | 1195.7 | 1182 | 1202.4 | 1200 |
| 2024-03-01 | 1195.7 | 1182 | 1202.4 | 1200 |
| 2024-02-01 | 1207.4 | 1200 | 1202.4 | 1200 |
| 2024-01-01 | 1207.4 | 1200 | 1202.4 | 1200 |
| 2023-12-01 | 1207.4 | 1200 | 1202.4 | 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 | North District School Trials 2024 (U13 Boys) | 2024-02-03 | 2024-02-03 | Standard | Cape Town (WCT) | 5 | 5 | 2 | Yes | Analysis |
| 2 | District North 2022 (U11) | 2022-03-05 | 2022-03-05 | Rapid | Cape Town (WCT) | 6 | 6 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentNorth District School Trials 2024 | TournamentNorth District School Trials 2024 | ||||||
| date2024-02-03 | rnd4 | typeStandard | result1 | date2024-02-03 | rnd4 | typeStandard | result1 | ||
| OpponentStephens, Z (Zevin) | OpponentStephens, Z (Zevin) | ||||||||
| 2 | 1 | TournamentNorth District School Trials 2024 | TournamentNorth District School Trials 2024 | ||||||
| date2024-02-03 | rnd2 | typeStandard | result1 | date2024-02-03 | rnd2 | typeStandard | result1 | ||
| OpponentSatande, B (Blessing) | OpponentSatande, B (Blessing) | ||||||||
| 3 | 1 | TournamentDistrict North 2022 | TournamentDistrict North 2022 | ||||||
| date2022-03-05 | rnd6 | typeRapid | result1 | date2022-03-05 | rnd6 | typeRapid | result1 | ||
| OpponentFumhai, A (Albert) | OpponentFumhai, A (Albert) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentNorth District School Trials 2024 | TournamentNorth District School Trials 2024 | ||||||
| date2024-02-03 | rnd4 | typeStandard | result1 | date2024-02-03 | rnd4 | typeStandard | result1 | ||
| OpponentStephens, Z (Zevin) | OpponentStephens, Z (Zevin) | ||||||||
| 2 | 1 | TournamentNorth District School Trials 2024 | TournamentNorth District School Trials 2024 | ||||||
| date2024-02-03 | rnd2 | typeStandard | result1 | date2024-02-03 | rnd2 | typeStandard | result1 | ||
| OpponentSatande, B (Blessing) | OpponentSatande, B (Blessing) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentDistrict North 2022 | TournamentDistrict North 2022 | ||||||
| date2022-03-05 | rnd6 | typeRapid | result1 | date2022-03-05 | rnd6 | typeRapid | result1 | ||
| OpponentFumhai, A (Albert) | OpponentFumhai, A (Albert) | ||||||||
| 2 | 1 | TournamentDistrict North 2022 | TournamentDistrict North 2022 | ||||||
| date2022-03-05 | rnd4 | typeRapid | result1 | date2022-03-05 | rnd4 | typeRapid | result1 | ||
| OpponentJoey, S (Shiriyapenga) | OpponentJoey, S (Shiriyapenga) | ||||||||
| 3 | 1 | TournamentDistrict North 2022 | TournamentDistrict North 2022 | ||||||
| date2022-03-05 | rnd2 | typeRapid | result1 | date2022-03-05 | rnd2 | typeRapid | result1 | ||
| OpponentVan Rooyen, C (Caleb) | OpponentVan Rooyen, C (Caleb) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentNorth District School Trials 2024 | TournamentNorth District School Trials 2024 | ||||||
| date2024-02-03 | rnd4 | typeStandard | result1 | date2024-02-03 | rnd4 | typeStandard | result1 | ||
| OpponentStephens, Z (Zevin) | OpponentStephens, Z (Zevin) | ||||||||
| 2 | 1 | TournamentNorth District School Trials 2024 | TournamentNorth District School Trials 2024 | ||||||
| date2024-02-03 | rnd2 | typeStandard | result1 | date2024-02-03 | rnd2 | typeStandard | result1 | ||
| OpponentSatande, B (Blessing) | OpponentSatande, B (Blessing) | ||||||||
| 3 | 1 | TournamentDistrict North 2022 | TournamentDistrict North 2022 | ||||||
| date2022-03-05 | rnd6 | typeRapid | result1 | date2022-03-05 | rnd6 | typeRapid | result1 | ||
| OpponentFumhai, A (Albert) | OpponentFumhai, A (Albert) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentNorth District School Trials 2024 | TournamentNorth District School Trials 2024 | ||||||
| date2024-02-03 | rnd4 | typeStandard | result1 | date2024-02-03 | rnd4 | typeStandard | result1 | ||
| OpponentStephens, Z (Zevin) | OpponentStephens, Z (Zevin) | ||||||||
| 2 | 1 | TournamentNorth District School Trials 2024 | TournamentNorth District School Trials 2024 | ||||||
| date2024-02-03 | rnd2 | typeStandard | result1 | date2024-02-03 | rnd2 | typeStandard | result1 | ||
| OpponentSatande, B (Blessing) | OpponentSatande, B (Blessing) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentDistrict North 2022 | TournamentDistrict North 2022 | ||||||
| date2022-03-05 | rnd6 | typeRapid | result1 | date2022-03-05 | rnd6 | typeRapid | result1 | ||
| OpponentFumhai, A (Albert) | OpponentFumhai, A (Albert) | ||||||||
| 2 | 1 | TournamentDistrict North 2022 | TournamentDistrict North 2022 | ||||||
| date2022-03-05 | rnd4 | typeRapid | result1 | date2022-03-05 | rnd4 | typeRapid | result1 | ||
| OpponentJoey, S (Shiriyapenga) | OpponentJoey, S (Shiriyapenga) | ||||||||
| 3 | 1 | TournamentDistrict North 2022 | TournamentDistrict North 2022 | ||||||
| date2022-03-05 | rnd2 | typeRapid | result1 | date2022-03-05 | rnd2 | typeRapid | result1 | ||
| OpponentVan Rooyen, C (Caleb) | OpponentVan Rooyen, C (Caleb) | ||||||||
| # | 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 | Fumhai ,A (Albert) | 2 | 1 | 0 | 1 | 0 | -425 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1202.7 | 1202.7 | 1207.6 | 777.7 | 1200 | 1627.7 | 0 | 0 | ||||||
| 2 | Ebrahim ,Z (Zaidan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1224 | 799 | 1200 | 799 | 0 | 0 | 0 | 0 | ||||||
| 3 | Harvey ,G (Griffin) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1368.2 | 943.2 | 1200 | 943.2 | 0 | 0 | 0 | 0 | ||||||
| 4 | Stephens ,Z (Zevin) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1124.1 | 1549.1 | 1160.8 | 1549.1 | 0 | 0 | 0 | 0 | ||||||
| 5 | Satande ,B (Blessing) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1177.1 | 1602.1 | 1201.6 | 1602.1 | 0 | 0 | 0 | 0 | ||||||
| 6 | Barends ,Z (Zac) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1195.1 | 770.1 | 0 | 0 | 1200 | 770.1 | 0 | 0 | ||||||
| 7 | Wilson ,EM (Emlyn Marissa) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1330.6 | 905.6 | 0 | 0 | 1214.8 | 905.6 | 0 | 0 | ||||||
| 8 | Weideman ,J (Janko) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1332.1 | 907.1 | 0 | 0 | 1236.8 | 907.1 | 0 | 0 | ||||||
| 9 | Joey ,S (Shiriyapenga) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1200 | 1625 | 0 | 0 | 1200 | 1625 | 0 | 0 | ||||||
| 10 | Van Rooyen ,C (Caleb) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1200 | 1625 | 0 | 0 | 1200 | 1625 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

