PLAYER PAGE
Personal
Isaks, R (Ruaan)
Chess SA id
1100302539FIDE id
?Date of birth
2010-06-21 (U16)Gender
MaleRegion
Central Karoo (WCK)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-02-22Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1213.1 | 1214.2 | 1200 | 1200 |
| Raw rating | 1212.7 | 1213.8 | 1200 | 1200 |
| Weighted rating | 1213.1 | 1214.2 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 716.9 | 718.4 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 162.8 | 162.6 | 165.8 | 165.8 |
| Highest rating | 1266.72024-04-01 | 12572024-04-01 | 12002024-05-01 | 12002024-05-01 |
| Highest raw rating | 1216.92024-05-01 | 1218.42024-05-01 | 12002024-05-01 | 12002024-05-01 |
| Highest weighted rating | 1216.92024-10-01 | 1218.42024-10-01 | 12002024-05-01 | 12002024-05-01 |
| Highest weighted performance | 1266.72024-04-01 | 12572024-04-01 | 12002024-05-01 | 12002024-05-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0.1 | 0.1 | 0 | 0 |
| New rating | 1213.2 | 1214.4 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1213.1 | 1214.2 | 1200 | 1200 |
| Raw rating | 1212.7 | 1213.8 | 1200 | 1200 |
| Weighted rating | 1213.1 | 1214.2 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 716.9 | 718.4 | 700 | 700 |
| Max/Min rating change allowed | 162.8 | 162.6 | 165.8 | 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 | 1212.7 | 1213.8 | 1200 | 1200 |
| New weighted rating | 1213.2 | 1214.4 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1213.2 | 1214.4 | 1200 | 1200 |
| Temp new rating +/- | 0.1 | 0.1 | 0 | 0 |
| Final new rating +/- | 0.1 | 0.1 | 0 | 0 |
| New rating | 1213.2 | 1214.4 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 716.9 | 718.4 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 10 | 10 | 0 | 0 |
| Games since | |||||||||||||||||
| Main10 | Standard10 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U16 | ||||||||||||||||
| Region | Central Karoo (WCK) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| 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 | 5 | 2 | 40 | -85 | 1204.4 | 1119.4 |
| Standard | 5 | 2 | 40 | -85 | 1204.4 | 1119.4 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 10 | 5 | 50 | 0 | 1199.6 | 1199.6 |
| Standard | 10 | 5 | 50 | 0 | 1199.6 | 1199.6 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1212.7 | 1213.8 | 1200 | 1200 |
| 2025-09-01 | 1212.7 | 1213.8 | 1200 | 1200 |
| 2025-08-01 | 1212.7 | 1213.8 | 1200 | 1200 |
| 2025-07-01 | 1212.4 | 1213.5 | 1200 | 1200 |
| 2025-06-01 | 1212.2 | 1213.2 | 1200 | 1200 |
| 2025-05-01 | 1211.8 | 1212.9 | 1200 | 1200 |
| 2025-04-01 | 1211.5 | 1212.4 | 1200 | 1200 |
| 2025-03-01 | 1210.3 | 1210.9 | 1200 | 1200 |
| 2025-02-01 | 1216.9 | 1218.4 | 1200 | 1200 |
| 2025-01-01 | 1216.9 | 1218.4 | 1200 | 1200 |
| 2024-12-01 | 1216.9 | 1218.4 | 1200 | 1200 |
| 2024-11-01 | 1216.9 | 1218.4 | 1200 | 1200 |
| 2024-10-01 | 1216.9 | 1218.4 | 1200 | 1200 |
| 2024-09-01 | 1216.9 | 1218.4 | 1200 | 1200 |
| 2024-08-01 | 1216.9 | 1218.4 | 1200 | 1200 |
| 2024-07-01 | 1216.9 | 1218.4 | 1200 | 1200 |
| 2024-06-01 | 1216.9 | 1218.4 | 1200 | 1200 |
| 2024-08-01 | 1216.9 | 1218.4 | 1200 | 1200 |
| 2024-04-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-03-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-02-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-01-01 | 1200 | 1200 | 1200 | 1200 |
| 2023-12-01 | 1200 | 1200 | 1200 | 1200 |
| 2023-11-01 | 1200 | 1200 | 1200 | 1200 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Central Karoo Schools Chess Trail 1 2025 (U15) | 2025-02-22 | 2025-02-22 | Standard | Central Karoo (WCK) | 5 | 5 | 2 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Central Karoo Schools Chess Trail 1 2025 (U15) | 2025-02-22 | 2025-02-22 | Standard | Central Karoo (WCK) | 5 | 5 | 2 | Yes | Analysis |
| 2 | Central Karoo Schools Chess Trial 1 2024 (U15) | 2024-03-02 | 2024-03-02 | Standard | Central Karoo (WCK) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentCentral Karoo Schools Chess Trail 1 2025 | TournamentCentral Karoo Schools Chess Trail 1 2025 | ||||||
| date2025-02-22 | rnd3 | typeStandard | result1 | date2025-02-22 | rnd4 | typeStandard | result1 | ||
| OpponentKloppers, E (El-Reziano) | OpponentGeduld, M (Marchelino) | ||||||||
| 2 | 2 | TournamentCentral Karoo Schools Chess Trial 1 2024 | TournamentCentral Karoo Schools Chess Trial 1 2024 | ||||||
| date2024-03-02 | rnd1 | typeStandard | result1 | date2024-03-02 | rnd2 | typeStandard | result1 | ||
| OpponentBuis, P (Peter-Jon) | OpponentLottering, A (Austin) | ||||||||
| 3 | 1 | TournamentCentral Karoo Schools Chess Trial 1 2024 | TournamentCentral Karoo Schools Chess Trial 1 2024 | ||||||
| date2024-03-02 | rnd5 | typeStandard | result1 | date2024-03-02 | rnd5 | typeStandard | result1 | ||
| OpponentWindvoel, J (Jayden) | OpponentWindvoel, J (Jayden) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentCentral Karoo Schools Chess Trail 1 2025 | TournamentCentral Karoo Schools Chess Trail 1 2025 | ||||||
| date2025-02-22 | rnd3 | typeStandard | result1 | date2025-02-22 | rnd4 | typeStandard | result1 | ||
| OpponentKloppers, E (El-Reziano) | OpponentGeduld, M (Marchelino) | ||||||||
| 2 | 2 | TournamentCentral Karoo Schools Chess Trial 1 2024 | TournamentCentral Karoo Schools Chess Trial 1 2024 | ||||||
| date2024-03-02 | rnd1 | typeStandard | result1 | date2024-03-02 | rnd2 | typeStandard | result1 | ||
| OpponentBuis, P (Peter-Jon) | OpponentLottering, A (Austin) | ||||||||
| 3 | 1 | TournamentCentral Karoo Schools Chess Trial 1 2024 | TournamentCentral Karoo Schools Chess Trial 1 2024 | ||||||
| date2024-03-02 | rnd5 | typeStandard | result1 | date2024-03-02 | rnd5 | typeStandard | result1 | ||
| OpponentWindvoel, J (Jayden) | OpponentWindvoel, J (Jayden) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentCentral Karoo Schools Chess Trail 1 2025 | TournamentCentral Karoo Schools Chess Trail 1 2025 | ||||||
| date2025-02-22 | rnd3 | typeStandard | result1 | date2025-02-22 | rnd4 | typeStandard | result1 | ||
| OpponentKloppers, E (El-Reziano) | OpponentGeduld, M (Marchelino) | ||||||||
| 2 | 2 | TournamentCentral Karoo Schools Chess Trial 1 2024 | TournamentCentral Karoo Schools Chess Trial 1 2024 | ||||||
| date2024-03-02 | rnd1 | typeStandard | result1 | date2024-03-02 | rnd2 | typeStandard | result1 | ||
| OpponentBuis, P (Peter-Jon) | OpponentLottering, A (Austin) | ||||||||
| 3 | 1 | TournamentCentral Karoo Schools Chess Trial 1 2024 | TournamentCentral Karoo Schools Chess Trial 1 2024 | ||||||
| date2024-03-02 | rnd5 | typeStandard | result1 | date2024-03-02 | rnd5 | typeStandard | result1 | ||
| OpponentWindvoel, J (Jayden) | OpponentWindvoel, J (Jayden) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentCentral Karoo Schools Chess Trail 1 2025 | TournamentCentral Karoo Schools Chess Trail 1 2025 | ||||||
| date2025-02-22 | rnd3 | typeStandard | result1 | date2025-02-22 | rnd4 | typeStandard | result1 | ||
| OpponentKloppers, E (El-Reziano) | OpponentGeduld, M (Marchelino) | ||||||||
| 2 | 2 | TournamentCentral Karoo Schools Chess Trial 1 2024 | TournamentCentral Karoo Schools Chess Trial 1 2024 | ||||||
| date2024-03-02 | rnd1 | typeStandard | result1 | date2024-03-02 | rnd2 | typeStandard | result1 | ||
| OpponentBuis, P (Peter-Jon) | OpponentLottering, A (Austin) | ||||||||
| 3 | 1 | TournamentCentral Karoo Schools Chess Trial 1 2024 | TournamentCentral Karoo Schools Chess Trial 1 2024 | ||||||
| date2024-03-02 | rnd5 | typeStandard | result1 | date2024-03-02 | rnd5 | typeStandard | result1 | ||
| OpponentWindvoel, J (Jayden) | OpponentWindvoel, J (Jayden) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | 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 | Kloppers ,E (El-Reziano) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1129.9 | 1554.9 | 1118 | 1554.9 | 0 | 0 | 0 | 0 | ||||||
| 2 | Lottering ,A (Austin) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1147.6 | 1572.6 | 1138.4 | 1572.6 | 0 | 0 | 0 | 0 | ||||||
| 3 | Geduld ,M (Marchelino) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1210.6 | 1635.6 | 1211.6 | 1635.6 | 0 | 0 | 0 | 0 | ||||||
| 4 | Bosman ,B (Beauthin) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 5 | Buis ,K (Kayla) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 6 | Windvoel ,J (Jayden) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 7 | Bostander ,W (Whithney) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 8 | Hagis ,M (Methyle) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1266.6 | 841.6 | 1231.9 | 841.6 | 0 | 0 | 0 | 0 | ||||||
| 9 | Buis ,P (Peter-Jon) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1159.8 | 1584.8 | 1155 | 1584.8 | 0 | 0 | 0 | 0 | ||||||
| 10 | Stalmeester ,J (Jaiden) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1281.7 | 856.7 | 1269.2 | 856.7 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|