PLAYER PAGE
Personal
Claassen, J (John)
Chess SA id
1720148165FIDE id
?Date of birth
1972-09-22 (Adult)Gender
MaleRegion
West Coast (WCU)Citizen
RSATitles
Chess SA registered
NoLast active game
2022-12-10Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1282.8 | 1300 | 1226.4 | 1300 |
| Raw rating | 1282.8 | 1300 | 1226.4 | 1300 |
| Weighted rating | 1282.5 | 1299.7 | 1226.2 | 1299.7 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 782.8 | 800 | 726.4 | 800 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 147.4 | 143.8 | 159.7 | 143.8 |
| Highest rating | 1282.82024-02-01 | 13002024-02-01 | 1226.42024-02-01 | 13002024-02-01 |
| Highest raw rating | 1282.82024-02-01 | 13002024-02-01 | 1226.42024-02-01 | 13002024-02-01 |
| Highest weighted rating | 1279.72025-08-01 | 1296.72025-08-01 | 1224.32025-08-01 | 1296.72025-08-01 |
| Highest weighted performance | 12002019-12-01 | 12002024-02-01 | 12002019-12-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1282.8 | 1300 | 1226.4 | 1300 |
| Analysis | ||||
| Rating | 1282.8 | 1300 | 1226.4 | 1300 |
| Raw rating | 1282.8 | 1300 | 1226.4 | 1300 |
| Weighted rating | 1282.5 | 1299.7 | 1226.2 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 782.8 | 800 | 726.4 | 800 |
| Max/Min rating change allowed | 147.4 | 143.8 | 159.7 | 143.8 |
| 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 | 1282.8 | 1300 | 1226.4 | 1300 |
| New weighted rating | 1282.8 | 1300 | 1226.4 | 1300 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1282.8 | 1300 | 1226.4 | 1300 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1282.8 | 1300 | 1226.4 | 1300 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 782.8 | 800 | 726.4 | 800 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 4 | 0 | 4 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 4 | 0 | 4 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | West Coast (WCU) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult 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 | 4 | 1 | 25 | -212.5 | 1331 | 1118.5 |
| Standard | 0 | 0 | 0 | 0 | 0 | 0 |
| Rapid | 4 | 1 | 25 | -212.5 | 1331 | 1118.5 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2025-09-30 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2025-09-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2025-08-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2025-07-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2025-06-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2025-05-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2025-04-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2025-03-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2025-02-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2025-01-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2024-12-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2024-11-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2024-10-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2024-09-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2024-08-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2024-07-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2024-09-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2024-05-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2024-04-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2024-03-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2024-02-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2024-01-01 | 1282.8 | 1300 | 1226.4 | 1300 |
| 2023-12-01 | 1189.7 | 1200 | 1164.4 | 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 | Clanwilliam Open 2022 (A) | 2022-12-10 | 2022-12-10 | Rapid | West Coast (WCU) | 5 | 4 | 1 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentClanwilliam Open 2022 | TournamentClanwilliam Open 2022 | ||||||
| date2022-12-10 | rnd2 | typeRapid | result1 | date2022-12-10 | rnd2 | typeRapid | result1 | ||
| OpponentClaassen, JA (Jacque Andrew) | OpponentClaassen, JA (Jacque Andrew) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentClanwilliam Open 2022 | TournamentClanwilliam Open 2022 | ||||||
| date2022-12-10 | rnd2 | typeRapid | result1 | date2022-12-10 | rnd2 | typeRapid | result1 | ||
| OpponentClaassen, JA (Jacque Andrew) | OpponentClaassen, JA (Jacque Andrew) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentClanwilliam Open 2022 | TournamentClanwilliam Open 2022 | ||||||
| date2022-12-10 | rnd2 | typeRapid | result1 | date2022-12-10 | rnd2 | typeRapid | result1 | ||
| OpponentClaassen, JA (Jacque Andrew) | OpponentClaassen, JA (Jacque Andrew) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentClanwilliam Open 2022 | TournamentClanwilliam Open 2022 | ||||||
| date2022-12-10 | rnd2 | typeRapid | result1 | date2022-12-10 | rnd2 | typeRapid | result1 | ||
| OpponentClaassen, JA (Jacque Andrew) | OpponentClaassen, JA (Jacque Andrew) | ||||||||
| # | 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 | Matemberere ,C (Clarence) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1200 | 775 | 0 | 0 | 1200 | 775 | 0 | 0 | ||||||
| 2 | Claassen ,JA (Jacque Andrew) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1217.3 | 1642.3 | 0 | 0 | 1212.4 | 1642.3 | 0 | 0 | ||||||
| 3 | Resandt ,A (Arthur) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1404.2 | 979.2 | 0 | 0 | 1093.6 | 979.2 | 0 | 0 | ||||||
| 4 | Mitchells ,J (Jamie-Lee) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1502.5 | 1077.5 | 0 | 0 | 1378.2 | 1077.5 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|