PLAYER PAGE
Personal
Klaasen, J (James)
Chess SA id
1060137724FIDE id
?Date of birth
2006-10-25 (U20)Gender
MaleRegion
Cape Winelands (WCW)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-10-28Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1164.9 | 1112.1 | 1230.5 | 1200 |
| Raw rating | 1164.9 | 1112.1 | 1230.5 | 1200 |
| Weighted rating | 1164.9 | 1111.8 | 1230.5 | 1200 |
| Weighted performance | 764.3 | 0 | 0 | 0 |
| Floor | 709.4 | 700 | 730.5 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 174.3 | 187.9 | 158.8 | 165.8 |
| Highest rating | 1220.42022-02-01 | 12002018-10-01 | 12772022-02-01 | 12002018-10-01 |
| Highest raw rating | 1209.42022-03-01 | 12002019-12-01 | 1230.52024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1209.42022-03-01 | 12002018-10-01 | 1230.52025-08-01 | 12002018-10-01 |
| Highest weighted performance | 1220.42022-02-01 | 12002019-12-01 | 12772022-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1164.9 | 1112.1 | 1230.5 | 1200 |
| Analysis | ||||
| Rating | 1164.9 | 1112.1 | 1230.5 | 1200 |
| Raw rating | 1164.9 | 1112.1 | 1230.5 | 1200 |
| Weighted rating | 1164.9 | 1111.8 | 1230.5 | |
| Weighted performance | 764.3 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 709.4 | 700 | 730.5 | 700 |
| Max/Min rating change allowed | 174.3 | 187.9 | 158.8 | 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 | 1164.9 | 1112.1 | 1230.5 | 1200 |
| New weighted rating | 1164.9 | 1111.8 | 1230.5 | 1200 |
| New weighted performance | 757.8 | 0 | 0 | 0 |
| Temp new rating | 1164.9 | 1112.1 | 1230.5 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1164.9 | 1112.1 | 1230.5 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 709.4 | 700 | 730.5 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 11 | 5 | 6 | 0 | |
| 18 | 8 | 10 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 29 | 13 | 16 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U20 | ||||||||||||||||
| Region | Cape Winelands (WCW) | ||||||||||||||||
| 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 | 29 | 14 | 48.28 | -14.7 | 1175.7 | 1161.1 |
| Standard | 13 | 4 | 30.77 | -163.5 | 1198.5 | 1035 |
| Rapid | 16 | 10 | 62.5 | 106.2 | 1157.3 | 1263.5 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1164.9 | 1112.1 | 1230.5 | 1200 |
| 2025-09-30 | 1164.9 | 1112.1 | 1230.5 | 1200 |
| 2025-09-01 | 1164.9 | 1112.1 | 1230.5 | 1200 |
| 2025-08-01 | 1164.9 | 1112.1 | 1230.5 | 1200 |
| 2025-07-01 | 1164.9 | 1112.1 | 1230.5 | 1200 |
| 2025-06-01 | 1164.9 | 1112.1 | 1230.5 | 1200 |
| 2025-05-01 | 1164.9 | 1112.1 | 1230.5 | 1200 |
| 2025-04-01 | 1164.9 | 1112.1 | 1230.5 | 1200 |
| 2025-03-01 | 1164.9 | 1112.1 | 1230.5 | 1200 |
| 2025-02-01 | 1164.9 | 1112.1 | 1230.5 | 1200 |
| 2025-01-01 | 1164.9 | 1111.2 | 1230.5 | 1200 |
| 2024-12-01 | 1164.9 | 1111.2 | 1230.5 | 1200 |
| 2024-11-01 | 1164.9 | 1111.2 | 1230.5 | 1200 |
| 2024-10-01 | 1164.9 | 1111.2 | 1230.5 | 1200 |
| 2024-09-01 | 1164.9 | 1111.2 | 1230.5 | 1200 |
| 2024-08-01 | 1164.9 | 1111.2 | 1230.5 | 1200 |
| 2024-07-01 | 1164.9 | 1111.2 | 1230.5 | 1200 |
| 2024-09-01 | 1164.9 | 1111.2 | 1230.5 | 1200 |
| 2024-05-01 | 1164.9 | 1111.2 | 1230.5 | 1200 |
| 2024-04-01 | 1164.9 | 1111.2 | 1230.5 | 1200 |
| 2024-03-01 | 1164.9 | 1111.2 | 1230.5 | 1200 |
| 2024-02-01 | 1164.9 | 1111.2 | 1230.5 | 1200 |
| 2024-01-01 | 1164.9 | 1111.2 | 1230.5 | 1200 |
| 2023-12-01 | 1164.9 | 1111.2 | 1230.5 | 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 | Robertson Chess Tournament Oct 2023 (U17) | 2023-10-28 | 2023-10-28 | Standard | Cape Winelands (WCW) | 6 | 5 | 2 | Yes | Analysis |
| 2 | Bonnievale Open Rapid 2023 (Developmen) | 2023-10-21 | 2023-10-21 | Rapid | Cape Winelands (WCW) | 6 | 6 | 4 | Yes | Analysis |
| 3 | Cape Winelands Schools Top Schools 2022 (U18 Mix) | 2022-08-27 | 2022-08-27 | Standard | Cape Winelands (WCW) | 5 | 4 | 1 | Yes | Analysis |
| 4 | Strategema Chess Festival 2022 (U18 Open) | 2022-05-14 | 2022-05-14 | Rapid | Cape Winelands (WCW) | 5 | 5 | 3 | Yes | Analysis |
| 5 | Cape Winelands Schools 2022 (U18 Boys) | 2022-03-05 | 2022-03-05 | Standard | Cape Winelands (WCW) | 5 | 4 | 1 | Yes | Analysis |
| 6 | Lanfeberg Schools Chess Trials 2022 (U18) | 2022-02-26 | 2022-02-26 | Rapid | Cape Winelands (WCW) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentBonnievale Open Rapid 2023 | TournamentRobertson Chess Tournament Oct 2023 | ||||||
| date2023-10-21 | rnd5 | typeRapid | result1 | date2023-10-28 | rnd1 | typeStandard | result1 | ||
| OpponentSlingers, V (Vanessa) | OpponentMattheys, C (Clyde) | ||||||||
| 2 | 3 | TournamentStrategema Chess Festival 2022 | TournamentCape Winelands Schools Top Schools 2022 | ||||||
| date2022-05-14 | rnd4 | typeRapid | result1 | date2022-08-27 | rnd1 | typeStandard | result1 | ||
| OpponentCupido, M (Martin) | OpponentStokes, J (Jody) | ||||||||
| 3 | 3 | TournamentLanfeberg Schools Chess Trials 2022 | TournamentLanfeberg Schools Chess Trials 2022 | ||||||
| date2022-02-26 | rnd3 | typeRapid | result1 | date2022-02-26 | rnd5 | typeRapid | result1 | ||
| OpponentConradie, J (Jordan) | OpponentVan Tonder, R (Riette) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentCape Winelands Schools 2022 | TournamentCape Winelands Schools Top Schools 2022 | ||||||
| date2022-03-05 | rnd5 | typeStandard | result1 | date2022-08-27 | rnd1 | typeStandard | result1 | ||
| OpponentVerhoog, W (Walken) | OpponentStokes, J (Jody) | ||||||||
| 2 | 1 | TournamentRobertson Chess Tournament Oct 2023 | TournamentRobertson Chess Tournament Oct 2023 | ||||||
| date2023-10-28 | rnd6 | typeStandard | result1 | date2023-10-28 | rnd6 | typeStandard | result1 | ||
| OpponentSmith, O (Oswill) | OpponentSmith, O (Oswill) | ||||||||
| 3 | 1 | TournamentRobertson Chess Tournament Oct 2023 | TournamentRobertson Chess Tournament Oct 2023 | ||||||
| date2023-10-28 | rnd1 | typeStandard | result1 | date2023-10-28 | rnd1 | typeStandard | result1 | ||
| OpponentMattheys, C (Clyde) | OpponentMattheys, C (Clyde) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentStrategema Chess Festival 2022 | TournamentBonnievale Open Rapid 2023 | ||||||
| date2022-05-14 | rnd4 | typeRapid | result1 | date2023-10-21 | rnd2 | typeRapid | result1 | ||
| OpponentCupido, M (Martin) | OpponentJacobs, D (Deno) | ||||||||
| 2 | 4 | TournamentLanfeberg Schools Chess Trials 2022 | TournamentStrategema Chess Festival 2022 | ||||||
| date2022-02-26 | rnd3 | typeRapid | result1 | date2022-05-14 | rnd1 | typeRapid | result1 | ||
| OpponentConradie, J (Jordan) | OpponentDaphula, L (Lelethu) | ||||||||
| 3 | 2 | TournamentBonnievale Open Rapid 2023 | TournamentBonnievale Open Rapid 2023 | ||||||
| date2023-10-21 | rnd5 | typeRapid | result1 | date2023-10-21 | rnd6 | typeRapid | result1 | ||
| OpponentSlingers, V (Vanessa) | OpponentStallenberg, R (Runiel) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentBonnievale Open Rapid 2023 | TournamentRobertson Chess Tournament Oct 2023 | ||||||
| date2023-10-21 | rnd5 | typeRapid | result1 | date2023-10-28 | rnd1 | typeStandard | result1 | ||
| OpponentSlingers, V (Vanessa) | OpponentMattheys, C (Clyde) | ||||||||
| 2 | 3 | TournamentStrategema Chess Festival 2022 | TournamentCape Winelands Schools Top Schools 2022 | ||||||
| date2022-05-14 | rnd4 | typeRapid | result1 | date2022-08-27 | rnd1 | typeStandard | result1 | ||
| OpponentCupido, M (Martin) | OpponentStokes, J (Jody) | ||||||||
| 3 | 3 | TournamentLanfeberg Schools Chess Trials 2022 | TournamentLanfeberg Schools Chess Trials 2022 | ||||||
| date2022-02-26 | rnd3 | typeRapid | result1 | date2022-02-26 | rnd5 | typeRapid | result1 | ||
| OpponentConradie, J (Jordan) | OpponentVan Tonder, R (Riette) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentCape Winelands Schools 2022 | TournamentCape Winelands Schools Top Schools 2022 | ||||||
| date2022-03-05 | rnd5 | typeStandard | result1 | date2022-08-27 | rnd1 | typeStandard | result1 | ||
| OpponentVerhoog, W (Walken) | OpponentStokes, J (Jody) | ||||||||
| 2 | 1 | TournamentRobertson Chess Tournament Oct 2023 | TournamentRobertson Chess Tournament Oct 2023 | ||||||
| date2023-10-28 | rnd6 | typeStandard | result1 | date2023-10-28 | rnd6 | typeStandard | result1 | ||
| OpponentSmith, O (Oswill) | OpponentSmith, O (Oswill) | ||||||||
| 3 | 1 | TournamentRobertson Chess Tournament Oct 2023 | TournamentRobertson Chess Tournament Oct 2023 | ||||||
| date2023-10-28 | rnd1 | typeStandard | result1 | date2023-10-28 | rnd1 | typeStandard | result1 | ||
| OpponentMattheys, C (Clyde) | OpponentMattheys, C (Clyde) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentStrategema Chess Festival 2022 | TournamentBonnievale Open Rapid 2023 | ||||||
| date2022-05-14 | rnd4 | typeRapid | result1 | date2023-10-21 | rnd2 | typeRapid | result1 | ||
| OpponentCupido, M (Martin) | OpponentJacobs, D (Deno) | ||||||||
| 2 | 4 | TournamentLanfeberg Schools Chess Trials 2022 | TournamentStrategema Chess Festival 2022 | ||||||
| date2022-02-26 | rnd3 | typeRapid | result1 | date2022-05-14 | rnd1 | typeRapid | result1 | ||
| OpponentConradie, J (Jordan) | OpponentDaphula, L (Lelethu) | ||||||||
| 3 | 2 | TournamentBonnievale Open Rapid 2023 | TournamentBonnievale Open Rapid 2023 | ||||||
| date2023-10-21 | rnd5 | typeRapid | result1 | date2023-10-21 | rnd6 | typeRapid | result1 | ||
| OpponentSlingers, V (Vanessa) | OpponentStallenberg, R (Runiel) | ||||||||
| # | 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 | George ,C (Cornelius) | 2 | 0 | -425 | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1150.2 | 725.2 | 1200 | 725.2 | 1107.6 | 725.2 | 0 | 0 | ||||||
| 2 | Mattheys ,C (Clyde) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1134.7 | 1559.7 | 1178.4 | 1559.7 | 0 | 0 | 0 | 0 | ||||||
| 3 | Scheepers ,M (Mieke) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1228.3 | 803.3 | 1073.7 | 803.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Smith ,O (Oswill) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1156.2 | 1581.2 | 1160.8 | 1581.2 | 0 | 0 | 0 | 0 | ||||||
| 5 | Cupido ,R (Reagon) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 6 | Stokes ,J (Jody) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1333.3 | 1758.3 | 1248.2 | 1758.3 | 0 | 0 | 0 | 0 | ||||||
| 7 | Schwarte ,R (Richard) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1208.2 | 783.2 | 1200 | 783.2 | 0 | 0 | 0 | 0 | ||||||
| 8 | Verhoog ,W (Walken) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1124.7 | 1549.7 | 1200.4 | 1549.7 | 0 | 0 | 0 | 0 | ||||||
| 9 | Goeieman ,J (Jody-Anne) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1394.1 | 969.1 | 1399.8 | 969.1 | 0 | 0 | 0 | 0 | ||||||
| 10 | Tamanie ,N (Nicole) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1107.5 | 682.5 | 1057.6 | 682.5 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

