PLAYER PAGE
Personal
Rathbone, J (Johnathan)
Chess SA id
1090110742FIDE id
?Date of birth
2009-08-23 (U18)Gender
MaleRegion
Overberg (WOS)Citizen
RSATitles
Chess SA registered
NoLast active game
2020-03-15Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1084.5 | 1077.2 | 1158 | 1200 |
| Raw rating | 1084.5 | 1077.2 | 1158 | 1200 |
| Weighted rating | 1084.5 | 1077.2 | 1158 | 1200 |
| Weighted performance | 264.2 | 236.2 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 195.5 | 197.5 | 176 | 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 | 12002020-01-01 | 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 | 12002019-12-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1084.5 | 1077.2 | 1158 | 1200 |
| Analysis | ||||
| Rating | 1084.5 | 1077.2 | 1158 | 1200 |
| Raw rating | 1084.5 | 1077.2 | 1158 | 1200 |
| Weighted rating | 1084.5 | 1077.2 | 1158 | |
| Weighted performance | 264.2 | 236.2 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 195.5 | 197.5 | 176 | 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 | 1084.5 | 1077.2 | 1158 | 1200 |
| New weighted rating | 1084.5 | 1077.2 | 1158 | 1200 |
| New weighted performance | 258.2 | 230.3 | 0 | 0 |
| Temp new rating | 1084.5 | 1077.2 | 1158 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1084.5 | 1077.2 | 1158 | 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 | 29 | 24 | 5 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U18 | ||||||||||||||||
| Region | Overberg (WOS) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 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 | 29 | 8.5 | 29.31 | -175.9 | 1170.6 | 994.7 |
| Standard | 24 | 7 | 29.17 | -177.1 | 1167.5 | 990.4 |
| Rapid | 5 | 1.5 | 30 | -170 | 1185.5 | 1015.5 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2025-09-30 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2025-09-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2025-08-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2025-07-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2025-06-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2025-05-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2025-04-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2025-03-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2025-02-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2025-01-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2024-12-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2024-11-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2024-10-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2024-09-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2024-08-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2024-07-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2024-09-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2024-05-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2024-04-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2024-03-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2024-02-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2024-01-01 | 1084.5 | 1077.2 | 1158 | 1200 |
| 2023-12-01 | 1084.5 | 1077.2 | 1158 | 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 | Overberg Closed 2020 (U11 Boys) | 2020-03-15 | 2020-03-15 | Standard | Overberg (WOS) | 5 | 5 | 2 | Yes | Analysis |
| 2 | OCF Open 2020 (U12) | 2020-01-25 | 2020-01-25 | Rapid | Overberg (WOS) | 5 | 5 | 1.5 | Yes | Analysis |
| 3 | Overberg Top Schools 2019 (U11) | 2019-07-20 | 2019-07-20 | Standard | Overberg (WOS) | 5 | 5 | 2 | Yes | Analysis |
| 4 | Trial 2 Teddy/Toy Tournament 2019 (U12) | 2019-04-06 | 2019-04-06 | Standard | Overberg (WOS) | 5 | 4 | 0 | Yes | Analysis |
| 5 | Overberg School Chess Close Champs 2019 (U11 Boys) | 2019-03-08 | 2019-03-09 | Standard | Overberg (WOS) | 6 | 6 | 3 | Yes | Analysis |
| 6 | Overberg First Trial 2019 (U12) | 2019-02-23 | 2019-02-23 | Standard | Overberg (WOS) | 5 | 4 | 0 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentOCF Open 2020 | TournamentOCF Open 2020 | ||||||
| date2020-01-25 | rnd2 | typeRapid | result0.5 | date2020-01-25 | rnd3 | typeRapid | result1 | ||
| OpponentLiebenberg, M (Malan) | OpponentDu Plessis, MA (Matthys) | ||||||||
| 2 | 2 | TournamentOverberg Top Schools 2019 | TournamentOverberg Top Schools 2019 | ||||||
| date2019-07-20 | rnd3 | typeStandard | result1 | date2019-07-20 | rnd4 | typeStandard | result1 | ||
| OpponentDreyer, CJ (Cristi Jane) | OpponentMatinywa, T (Thobani) | ||||||||
| 3 | 2 | TournamentOverberg School Chess Close Champs 2019 | TournamentOverberg School Chess Close Champs 2019 | ||||||
| date2019-03-08 | rnd2 | typeStandard | result1 | date2019-03-08 | rnd3 | typeStandard | result1 | ||
| OpponentJanuarie, C (Chad) | OpponentDu Plessis, L (Luc) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentOverberg Top Schools 2019 | TournamentOverberg Top Schools 2019 | ||||||
| date2019-07-20 | rnd3 | typeStandard | result1 | date2019-07-20 | rnd4 | typeStandard | result1 | ||
| OpponentDreyer, CJ (Cristi Jane) | OpponentMatinywa, T (Thobani) | ||||||||
| 2 | 2 | TournamentOverberg School Chess Close Champs 2019 | TournamentOverberg School Chess Close Champs 2019 | ||||||
| date2019-03-08 | rnd2 | typeStandard | result1 | date2019-03-08 | rnd3 | typeStandard | result1 | ||
| OpponentJanuarie, C (Chad) | OpponentDu Plessis, L (Luc) | ||||||||
| 3 | 1 | TournamentOverberg Closed 2020 | TournamentOverberg Closed 2020 | ||||||
| date2020-03-15 | rnd4 | typeStandard | result1 | date2020-03-15 | rnd4 | typeStandard | result1 | ||
| OpponentOosthuizen, A (Andreas) | OpponentOosthuizen, A (Andreas) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentOCF Open 2020 | TournamentOCF Open 2020 | ||||||
| date2020-01-25 | rnd2 | typeRapid | result0.5 | date2020-01-25 | rnd3 | typeRapid | result1 | ||
| OpponentLiebenberg, M (Malan) | OpponentDu Plessis, MA (Matthys) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentOverberg Top Schools 2019 | TournamentOverberg Top Schools 2019 | ||||||
| date2019-07-20 | rnd3 | typeStandard | result1 | date2019-07-20 | rnd4 | typeStandard | result1 | ||
| OpponentDreyer, CJ (Cristi Jane) | OpponentMatinywa, T (Thobani) | ||||||||
| 2 | 2 | TournamentOverberg School Chess Close Champs 2019 | TournamentOverberg School Chess Close Champs 2019 | ||||||
| date2019-03-08 | rnd2 | typeStandard | result1 | date2019-03-08 | rnd3 | typeStandard | result1 | ||
| OpponentJanuarie, C (Chad) | OpponentDu Plessis, L (Luc) | ||||||||
| 3 | 1 | TournamentOverberg Closed 2020 | TournamentOverberg Closed 2020 | ||||||
| date2020-03-15 | rnd4 | typeStandard | result1 | date2020-03-15 | rnd4 | typeStandard | result1 | ||
| OpponentOosthuizen, A (Andreas) | OpponentOosthuizen, A (Andreas) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentOverberg Top Schools 2019 | TournamentOverberg Top Schools 2019 | ||||||
| date2019-07-20 | rnd3 | typeStandard | result1 | date2019-07-20 | rnd4 | typeStandard | result1 | ||
| OpponentDreyer, CJ (Cristi Jane) | OpponentMatinywa, T (Thobani) | ||||||||
| 2 | 2 | TournamentOverberg School Chess Close Champs 2019 | TournamentOverberg School Chess Close Champs 2019 | ||||||
| date2019-03-08 | rnd2 | typeStandard | result1 | date2019-03-08 | rnd3 | typeStandard | result1 | ||
| OpponentJanuarie, C (Chad) | OpponentDu Plessis, L (Luc) | ||||||||
| 3 | 1 | TournamentOverberg Closed 2020 | TournamentOverberg Closed 2020 | ||||||
| date2020-03-15 | rnd4 | typeStandard | result1 | date2020-03-15 | rnd4 | typeStandard | result1 | ||
| OpponentOosthuizen, A (Andreas) | OpponentOosthuizen, A (Andreas) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentOCF Open 2020 | TournamentOCF Open 2020 | ||||||
| date2020-01-25 | rnd3 | typeRapid | result1 | date2020-01-25 | rnd3 | typeRapid | result1 | ||
| OpponentDu Plessis, MA (Matthys) | OpponentDu Plessis, MA (Matthys) | ||||||||
| # | 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 | Januarie ,C (Chad) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1167.8 | 1592.8 | 1161.6 | 1592.8 | 0 | 0 | 0 | 0 | ||||||
| 2 | Matinywa ,T (Thobani) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1166.9 | 1166.9 | 1161.8 | 1166.9 | 0 | 0 | 0 | 0 | ||||||
| 3 | Hanekom ,L (Logan) | 2 | 0 | -425 | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1232.6 | 807.6 | 1143.2 | 807.6 | 1245.4 | 807.6 | 0 | 0 | ||||||
| 4 | Mackenzie ,T (Tayden) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1457 | 1032 | 1460.4 | 1032 | 0 | 0 | 0 | 0 | ||||||
| 5 | Koko ,A (Anisa) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1198.2 | 773.2 | 1199 | 773.2 | 0 | 0 | 0 | 0 | ||||||
| 6 | Stander ,Z (Zadrian) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1166.4 | 741.4 | 1200 | 741.4 | 0 | 0 | 0 | 0 | ||||||
| 7 | Hlanzela ,M (Milani) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1222.3 | 797.3 | 1221.9 | 797.3 | 0 | 0 | 0 | 0 | ||||||
| 8 | Davids ,W (Wayden) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 9 | Oosthuizen ,A (Andreas) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 10 | Swart ,S (Stefan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 929.5 | 504.5 | 963.6 | 504.5 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

