PLAYER PAGE
Personal
Grobbellaar, S (Shodrick)
Chess SA id
1060150986FIDE id
?Date of birth
2006-08-24 (U20)Gender
MaleRegion
Eden (WEG)Citizen
RSATitles
Chess SA registered
NoLast active game
2024-03-09Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1112.9 | 1100.5 | 1200 | 1200 |
| Raw rating | 1112.9 | 1100.5 | 1200 | 1200 |
| Weighted rating | 1110.3 | 1098.1 | 1200 | 1200 |
| Weighted performance | 796.3 | 796.1 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 187.7 | 191.1 | 165.8 | 165.8 |
| Highest rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002020-01-01 | 12002020-01-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002020-01-01 | 12002020-01-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1112.9 | 1100.5 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1112.9 | 1100.5 | 1200 | 1200 |
| Raw rating | 1112.9 | 1100.5 | 1200 | 1200 |
| Weighted rating | 1110.3 | 1098.1 | 1200 | |
| Weighted performance | 796.3 | 796.1 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 187.7 | 191.1 | 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 | 1112.9 | 1100.5 | 1200 | 1200 |
| New weighted rating | 1110.4 | 1098.1 | 1200 | 1200 |
| New weighted performance | 790.3 | 790.1 | 0 | 0 |
| Temp new rating | 1112.9 | 1100.5 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1112.9 | 1100.5 | 1200 | 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 | |
| 14 | 14 | 0 | 0 | |
| 10 | 10 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 24 | 24 | 0 | 0 |
| Games since | |||||||||||||||||
| Main14 | Standard14 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U20 | ||||||||||||||||
| Region | Eden (WEG) | ||||||||||||||||
| 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 | 24 | 7.5 | 31.25 | -159.4 | 1215.9 | 1056.5 |
| Standard | 24 | 7.5 | 31.25 | -159.4 | 1215.9 | 1056.5 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1112.9 | 1100.5 | 1200 | 1200 |
| 2025-09-30 | 1112.9 | 1100.5 | 1200 | 1200 |
| 2025-09-01 | 1112.9 | 1100.5 | 1200 | 1200 |
| 2025-08-01 | 1112.9 | 1100.5 | 1200 | 1200 |
| 2025-07-01 | 1112.9 | 1100.5 | 1200 | 1200 |
| 2025-06-01 | 1112.9 | 1100.5 | 1200 | 1200 |
| 2025-05-01 | 1112.9 | 1100.5 | 1200 | 1200 |
| 2025-04-01 | 1112.9 | 1100.5 | 1200 | 1200 |
| 2025-03-01 | 1112.9 | 1100.5 | 1200 | 1200 |
| 2025-02-01 | 1112.8 | 1100.4 | 1200 | 1200 |
| 2025-01-01 | 1102.8 | 1090.8 | 1200 | 1200 |
| 2024-12-01 | 1102.8 | 1090.8 | 1200 | 1200 |
| 2024-11-01 | 1102.8 | 1090.8 | 1200 | 1200 |
| 2024-10-01 | 1102.8 | 1090.8 | 1200 | 1200 |
| 2024-09-01 | 1102.8 | 1090.8 | 1200 | 1200 |
| 2024-08-01 | 1102.8 | 1090.8 | 1200 | 1200 |
| 2024-07-01 | 1102.8 | 1090.8 | 1200 | 1200 |
| 2024-09-01 | 1102.8 | 1090.8 | 1200 | 1200 |
| 2024-05-01 | 1102.8 | 1090.8 | 1200 | 1200 |
| 2024-04-01 | 1102.8 | 1090.8 | 1200 | 1200 |
| 2024-03-01 | 1124 | 1114.8 | 1200 | 1200 |
| 2024-02-01 | 1137.6 | 1123.6 | 1200 | 1200 |
| 2024-01-01 | 1137.6 | 1123.6 | 1200 | 1200 |
| 2023-12-01 | 1137.6 | 1123.6 | 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 |
|---|
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Eden School Chess Trials 1 2024 (U18 Boys) | 2024-03-09 | 2024-03-09 | Standard | Eden (WEG) | 5 | 5 | 1 | Yes | Analysis |
| 2 | Kannaland Proewe 2 2024 (U18 Boys) | 2024-02-24 | 2024-02-24 | Standard | Eden (WEG) | 5 | 4 | 1 | Yes | Analysis |
| 3 | Kannaland Proewe 1 (U18 Boys) | 2024-02-17 | 2024-02-17 | Standard | Eden (WEG) | 5 | 5 | 2 | Yes | Analysis |
| 4 | Eden Trails 1 2023 (U17 Boys) | 2023-03-11 | 2023-03-11 | Standard | Eden (WEG) | 5 | 5 | 1 | Yes | Analysis |
| 5 | Kannaland Proewe 1 2023 (U17 Boys) | 2023-02-18 | 2023-02-18 | Standard | Eden (WEG) | 5 | 5 | 2.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentKannaland Proewe 1 2023 | TournamentKannaland Proewe 1 2023 | ||||||
| date2023-02-18 | rnd2 | typeStandard | result1 | date2023-02-18 | rnd3 | typeStandard | result0.5 | ||
| OpponentMuller, L (Logan) | OpponentMacrew, V (Venando) | ||||||||
| 2 | 1 | TournamentEden School Chess Trials 1 2024 | TournamentEden School Chess Trials 1 2024 | ||||||
| date2024-03-09 | rnd1 | typeStandard | result1 | date2024-03-09 | rnd1 | typeStandard | result1 | ||
| OpponentBarnard, S (Schalk) | OpponentBarnard, S (Schalk) | ||||||||
| 3 | 1 | TournamentKannaland Proewe 1 | TournamentKannaland Proewe 1 | ||||||
| date2024-02-17 | rnd5 | typeStandard | result1 | date2024-02-17 | rnd5 | typeStandard | result1 | ||
| OpponentJantjies, S (Shaun-Michael) | OpponentJantjies, S (Shaun-Michael) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentKannaland Proewe 1 2023 | TournamentKannaland Proewe 1 2023 | ||||||
| date2023-02-18 | rnd2 | typeStandard | result1 | date2023-02-18 | rnd3 | typeStandard | result0.5 | ||
| OpponentMuller, L (Logan) | OpponentMacrew, V (Venando) | ||||||||
| 2 | 1 | TournamentEden School Chess Trials 1 2024 | TournamentEden School Chess Trials 1 2024 | ||||||
| date2024-03-09 | rnd1 | typeStandard | result1 | date2024-03-09 | rnd1 | typeStandard | result1 | ||
| OpponentBarnard, S (Schalk) | OpponentBarnard, S (Schalk) | ||||||||
| 3 | 1 | TournamentKannaland Proewe 1 | TournamentKannaland Proewe 1 | ||||||
| date2024-02-17 | rnd5 | typeStandard | result1 | date2024-02-17 | rnd5 | typeStandard | result1 | ||
| OpponentJantjies, S (Shaun-Michael) | OpponentJantjies, S (Shaun-Michael) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentEden School Chess Trials 1 2024 | TournamentEden School Chess Trials 1 2024 | ||||||
| date2024-03-09 | rnd1 | typeStandard | result1 | date2024-03-09 | rnd1 | typeStandard | result1 | ||
| OpponentBarnard, S (Schalk) | OpponentBarnard, S (Schalk) | ||||||||
| 2 | 1 | TournamentKannaland Proewe 1 | TournamentKannaland Proewe 1 | ||||||
| date2024-02-17 | rnd5 | typeStandard | result1 | date2024-02-17 | rnd5 | typeStandard | result1 | ||
| OpponentJantjies, S (Shaun-Michael) | OpponentJantjies, S (Shaun-Michael) | ||||||||
| 3 | 1 | TournamentKannaland Proewe 1 | TournamentKannaland Proewe 1 | ||||||
| date2024-02-17 | rnd1 | typeStandard | result1 | date2024-02-17 | rnd1 | typeStandard | result1 | ||
| OpponentBooysen, W (Whandre) | OpponentBooysen, W (Whandre) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentEden School Chess Trials 1 2024 | TournamentEden School Chess Trials 1 2024 | ||||||
| date2024-03-09 | rnd1 | typeStandard | result1 | date2024-03-09 | rnd1 | typeStandard | result1 | ||
| OpponentBarnard, S (Schalk) | OpponentBarnard, S (Schalk) | ||||||||
| 2 | 1 | TournamentKannaland Proewe 1 | TournamentKannaland Proewe 1 | ||||||
| date2024-02-17 | rnd5 | typeStandard | result1 | date2024-02-17 | rnd5 | typeStandard | result1 | ||
| OpponentJantjies, S (Shaun-Michael) | OpponentJantjies, S (Shaun-Michael) | ||||||||
| 3 | 1 | TournamentKannaland Proewe 1 | TournamentKannaland Proewe 1 | ||||||
| date2024-02-17 | rnd1 | typeStandard | result1 | date2024-02-17 | rnd1 | typeStandard | result1 | ||
| OpponentBooysen, W (Whandre) | OpponentBooysen, W (Whandre) | ||||||||
| # | 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 | Pieterse ,K (Kaynell) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1178.8 | 753.8 | 1177.1 | 753.8 | 0 | 0 | 0 | 0 | ||||||
| 2 | Anta ,P (Paton) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1263 | 838 | 1272.7 | 838 | 0 | 0 | 0 | 0 | ||||||
| 3 | Arendse ,R (Rayden) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1158.1 | 733.1 | 1153.1 | 733.1 | 0 | 0 | 0 | 0 | ||||||
| 4 | Erasmus ,T (Tristan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1129.2 | 704.2 | 1117.9 | 704.2 | 0 | 0 | 0 | 0 | ||||||
| 5 | Booysen ,W (Whandre) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1276.8 | 1701.8 | 1282.9 | 1701.8 | 0 | 0 | 0 | 0 | ||||||
| 6 | Guyo ,I (Isheanesu) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1349.9 | 924.9 | 1363 | 924.9 | 0 | 0 | 0 | 0 | ||||||
| 7 | Bezuidenhout ,J (Jacques) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1150.8 | 725.8 | 1148.2 | 725.8 | 0 | 0 | 0 | 0 | ||||||
| 8 | Gentle ,M (Mathew) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1229.7 | 804.7 | 1221.2 | 804.7 | 0 | 0 | 0 | 0 | ||||||
| 9 | Magwebu ,L (Luyabusiswa) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1173.3 | 748.3 | 1166 | 748.3 | 0 | 0 | 0 | 0 | ||||||
| 10 | Faurie ,D (Dawie) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1206.5 | 781.5 | 1198.9 | 781.5 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

