PLAYER PAGE
Personal
Naidoo, J (Joshua)
Chess SA id
1110115947FIDE id
?Date of birth
2011-02-17 (U16)Gender
MaleRegion
Johannesburg Metro (GJM)Citizen
RSATitles
Chess SA registered
NoLast active game
2020-02-01Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1157.7 | 1157.2 | 1201.2 | 1200 |
| Raw rating | 1157.7 | 1157.2 | 1201.2 | 1200 |
| Weighted rating | 1157.7 | 1157.2 | 1201.2 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 700 | 701.2 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 176.1 | 176.2 | 165.5 | 165.8 |
| Highest rating | 12002018-10-01 | 12002018-10-01 | 1207.52020-02-01 | 12002018-10-01 |
| Highest raw rating | 12002018-02-01 | 12002018-02-01 | 1201.22024-02-01 | 12002024-02-01 |
| Highest weighted rating | 12002018-10-01 | 12002018-10-01 | 1201.22025-02-01 | 12002018-10-01 |
| Highest weighted performance | 12002018-02-01 | 12002018-02-01 | 1207.52020-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1157.7 | 1157.2 | 1201.2 | 1200 |
| Analysis | ||||
| Rating | 1157.7 | 1157.2 | 1201.2 | 1200 |
| Raw rating | 1157.7 | 1157.2 | 1201.2 | 1200 |
| Weighted rating | 1157.7 | 1157.2 | 1201.2 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 701.2 | 700 |
| Max/Min rating change allowed | 176.1 | 176.2 | 165.5 | 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 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| New weighted rating | 1157.7 | 1157.2 | 1201.2 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1157.7 | 1157.2 | 1201.2 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1157.7 | 1157.2 | 1201.2 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 700 | 701.2 | 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 | 6 | 2 | 4 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U16 | ||||||||||||||||
| Region | Johannesburg Metro (GJM) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 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 | 6 | 2 | 33.33 | -141.7 | 1114.8 | 973.1 |
| Standard | 2 | 0 | 0 | -425 | 1175.3 | 750.3 |
| Rapid | 4 | 2 | 50 | 0 | 1084.5 | 1084.5 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2025-09-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2025-08-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2025-07-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2025-06-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2025-05-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2025-04-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2025-03-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2025-02-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2025-01-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2024-12-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2024-11-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2024-10-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2024-09-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2024-08-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2024-07-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2024-06-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2024-08-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2024-04-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2024-03-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2024-02-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2024-01-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2023-12-01 | 1157.7 | 1157.2 | 1201.2 | 1200 |
| 2023-11-01 | 1157.7 | 1157.2 | 1201.2 | 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 | Back to School Rapid 2020 (U10) | 2020-02-01 | 2020-02-01 | Rapid | West Coast (WCU) | 5 | 4 | 2 | Yes | Analysis |
| 2 | GoForChess Junior Chess Championships 2019 (U10) | 2019-06-09 | 2019-06-09 | Standard | Johannesburg Metro (GJM) | 5 | 2 | 0 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentBack to School Rapid 2020 | TournamentBack to School Rapid 2020 | ||||||
| date2020-02-01 | rnd1 | typeRapid | result0.5 | date2020-02-01 | rnd3 | typeRapid | result1 | ||
| OpponentKleynhans, C (Caylen) | OpponentBotha, T (Tristan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentBack to School Rapid 2020 | TournamentBack to School Rapid 2020 | ||||||
| date2020-02-01 | rnd1 | typeRapid | result0.5 | date2020-02-01 | rnd3 | typeRapid | result1 | ||
| OpponentKleynhans, C (Caylen) | OpponentBotha, T (Tristan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentBack to School Rapid 2020 | TournamentBack to School Rapid 2020 | ||||||
| date2020-02-01 | rnd3 | typeRapid | result1 | date2020-02-01 | rnd3 | typeRapid | result1 | ||
| OpponentBotha, T (Tristan) | OpponentBotha, T (Tristan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentBack to School Rapid 2020 | TournamentBack to School Rapid 2020 | ||||||
| date2020-02-01 | rnd3 | typeRapid | result1 | date2020-02-01 | rnd3 | typeRapid | result1 | ||
| OpponentBotha, T (Tristan) | OpponentBotha, T (Tristan) | ||||||||
| # | 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 | Sboros ,G (Grigorios) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1149.2 | 724.2 | 1138.4 | 724.2 | 0 | 0 | 0 | 0 | ||||||
| 2 | Haitas ,A (Alexi) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1201.4 | 776.4 | 1202 | 776.4 | 0 | 0 | 0 | 0 | ||||||
| 3 | Botha ,T (Tristan) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1080.7 | 1505.7 | 0 | 0 | 1163.2 | 1505.7 | 0 | 0 | ||||||
| 4 | Ellman ,A (Andries) | 1 | 0.5 | 0 | 0 | 0 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 |
| 910.9 | 910.9 | 0 | 0 | 1065.2 | 910.9 | 0 | 0 | ||||||
| 5 | Kleynhans ,C (Caylen) | 1 | 0.5 | 0 | 0 | 0 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 |
| 1211.5 | 1211.5 | 0 | 0 | 1219.6 | 1211.5 | 0 | 0 | ||||||
| 6 | Lewaks ,A (Andrea) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1135 | 710 | 0 | 0 | 1381.8 | 710 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|