PLAYER PAGE
Personal
Gelderbloem, G (Gragan)
Chess SA id
102082821FIDE id
?Date of birth
2002-05-04 (Adult)Gender
MaleRegion
Eden (WEG)Citizen
RSATitles
Chess SA registered
NoLast active game
2020-03-07Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1159.3 | 1146.7 | 721.2 | 579.6 |
| Raw rating | 1159.3 | 1146.7 | 721.2 | 579.6 |
| Weighted rating | 1159.3 | 1146.7 | 721.2 | 579.6 |
| Weighted performance | 309.1 | 301 | 0 | 0 |
| Floor | 659.3 | 646.7 | 500 | 500 |
| K-factor | 40 | 40 | 40 | 40 |
| Min/Max rating change allowed | 175.7 | 178.9 | 328 | 401.3 |
| Highest rating | 12002018-02-01 | 12002018-02-01 | 12002018-02-01 | 12002024-02-01 |
| Highest raw rating | 1159.32024-02-01 | 1146.72024-02-01 | 721.22024-02-01 | 579.62024-02-01 |
| Highest weighted rating | 1159.32024-11-01 | 1146.72024-11-01 | 721.22024-11-01 | 579.62024-11-01 |
| Highest weighted performance | 12002018-02-01 | 12002018-02-01 | 12002018-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1159.3 | 1146.7 | 721.2 | 579.6 |
| Analysis | ||||
| Rating | 1159.3 | 1146.7 | 721.2 | 579.6 |
| Raw rating | 1159.3 | 1146.7 | 721.2 | 579.6 |
| Weighted rating | 1159.3 | 1146.7 | 721.2 | |
| Weighted performance | 309.1 | 301 | 0 | |
| K-factor | 40 | 40 | 40 | 40 |
| Floor | 659.3 | 646.7 | 500 | 500 |
| Max/Min rating change allowed | 175.7 | 178.9 | 328 | 401.3 |
| 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 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| New weighted rating | 1159.3 | 1146.7 | 721.2 | 579.6 |
| New weighted performance | 302 | 294 | 0 | 0 |
| Temp new rating | 1159.3 | 1146.7 | 721.2 | 579.6 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1159.3 | 1146.7 | 721.2 | 579.6 |
| New K-factor | 40 | 40 | 40 | 40 |
| New floor | 659.3 | 646.7 | 500 | 500 |
| 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 | 58 | 45 | 13 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Eden (WEG) | ||||||||||||||||
| 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 | 35 | 22.5 | 64.29 | 121.4 | 1029.1 | 1150.5 |
| Standard | 28 | 18 | 64.29 | 121.4 | 1028.5 | 1149.9 |
| Rapid | 7 | 4.5 | 64.29 | 121.4 | 1031.4 | 1152.8 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2025-09-30 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2025-09-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2025-08-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2025-07-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2025-06-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2025-05-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2025-04-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2025-03-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2025-02-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2025-01-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2024-12-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2024-11-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2024-10-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2024-09-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2024-08-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2024-07-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2024-09-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2024-05-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2024-04-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2024-03-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2024-02-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2024-01-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
| 2023-12-01 | 1159.3 | 1146.7 | 721.2 | 579.6 |
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 Schools Closed Trials 1 2020 (U18 Boys) | 2020-03-07 | 2020-03-07 | Standard | Eden (WEG) | 5 | 4 | 2 | Yes | Analysis |
| 2 | Mossel Bay Trials 2 2020 (U18) | 2020-02-15 | 2020-02-15 | Standard | Eden (WEG) | 5 | 4 | 2 | Yes | Analysis |
| 3 | Mossel Bay Trials 1 2020 (U18) | 2020-02-01 | 2020-02-01 | Standard | Eden (WEG) | 5 | 5 | 4 | Yes | Analysis |
| 4 | Eden Chess League 2018 (2nd Division) | 2018-09-01 | 2018-09-01 | Rapid | Eden (WEG) | 7 | 7 | 4.5 | Yes | Analysis |
| 5 | EDENSC Closed 3 2018 (U18 Open) | 2018-05-12 | 2018-05-12 | Standard | Eden (WEG) | 5 | 5 | 3.5 | Yes | Analysis |
| 6 | EDENSC Closed 2 2018 (U18 (Open) | 2018-04-14 | 2018-04-14 | Standard | Eden (WEG) | 5 | 5 | 3.5 | Yes | Analysis |
| 7 | EDENSC Closed 1 2018 (U18) | 2018-03-10 | 2018-03-10 | Standard | Eden (WEG) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentMossel Bay Trials 1 2020 | TournamentMossel Bay Trials 2 2020 | ||||||
| date2020-02-01 | rnd2 | typeStandard | result1 | date2020-02-15 | rnd1 | typeStandard | result1 | ||
| OpponentGeorge, E (Elermo) | OpponentAnderson, V (Verzhal) | ||||||||
| 2 | 5 | TournamentEDENSC Closed 1 2018 | TournamentEDENSC Closed 2 2018 | ||||||
| date2018-03-10 | rnd2 | typeStandard | result1 | date2018-04-14 | rnd1 | typeStandard | result1 | ||
| OpponentMalgas, W (William) | OpponentMans, A (Arjan) | ||||||||
| 3 | 4 | TournamentEDENSC Closed 2 2018 | TournamentEDENSC Closed 3 2018 | ||||||
| date2018-04-14 | rnd3 | typeStandard | result0.5 | date2018-05-12 | rnd1 | typeStandard | result1 | ||
| OpponentOctober, J (Juvaan) | OpponentWilliams, J (Johnadino) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentMossel Bay Trials 1 2020 | TournamentMossel Bay Trials 2 2020 | ||||||
| date2020-02-01 | rnd2 | typeStandard | result1 | date2020-02-15 | rnd1 | typeStandard | result1 | ||
| OpponentGeorge, E (Elermo) | OpponentAnderson, V (Verzhal) | ||||||||
| 2 | 5 | TournamentEDENSC Closed 1 2018 | TournamentEDENSC Closed 2 2018 | ||||||
| date2018-03-10 | rnd2 | typeStandard | result1 | date2018-04-14 | rnd1 | typeStandard | result1 | ||
| OpponentMalgas, W (William) | OpponentMans, A (Arjan) | ||||||||
| 3 | 4 | TournamentEDENSC Closed 2 2018 | TournamentEDENSC Closed 3 2018 | ||||||
| date2018-04-14 | rnd3 | typeStandard | result0.5 | date2018-05-12 | rnd1 | typeStandard | result1 | ||
| OpponentOctober, J (Juvaan) | OpponentWilliams, J (Johnadino) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentEden Chess League 2018 | TournamentEden Chess League 2018 | ||||||
| date2018-09-01 | rnd5 | typeRapid | result0.5 | date2018-09-01 | rnd7 | typeRapid | result1 | ||
| OpponentDube, TM (Talent) | OpponentAdams, L (Leonard) | ||||||||
| 2 | 2 | TournamentEden Chess League 2018 | TournamentEden Chess League 2018 | ||||||
| date2018-09-01 | rnd2 | typeRapid | result1 | date2018-09-01 | rnd3 | typeRapid | result1 | ||
| OpponentDubee, C (Cheslyn) | OpponentMeyer, J (Jared) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentMossel Bay Trials 1 2020 | TournamentMossel Bay Trials 2 2020 | ||||||
| date2020-02-01 | rnd2 | typeStandard | result1 | date2020-02-15 | rnd1 | typeStandard | result1 | ||
| OpponentGeorge, E (Elermo) | OpponentAnderson, V (Verzhal) | ||||||||
| 2 | 3 | TournamentEDENSC Closed 2 2018 | TournamentEDENSC Closed 3 2018 | ||||||
| date2018-04-14 | rnd4 | typeStandard | result1 | date2018-05-12 | rnd1 | typeStandard | result1 | ||
| OpponentBaatjies, J (Jayden) | OpponentWilliams, J (Johnadino) | ||||||||
| 3 | 2 | TournamentEden Schools Closed Trials 1 2020 | TournamentEden Schools Closed Trials 1 2020 | ||||||
| date2020-03-07 | rnd3 | typeStandard | result1 | date2020-03-07 | rnd4 | typeStandard | result1 | ||
| OpponentStuurman, J (Junaton) | OpponentManuel, W (Wychiffe) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentMossel Bay Trials 1 2020 | TournamentMossel Bay Trials 2 2020 | ||||||
| date2020-02-01 | rnd2 | typeStandard | result1 | date2020-02-15 | rnd1 | typeStandard | result1 | ||
| OpponentGeorge, E (Elermo) | OpponentAnderson, V (Verzhal) | ||||||||
| 2 | 3 | TournamentEDENSC Closed 2 2018 | TournamentEDENSC Closed 3 2018 | ||||||
| date2018-04-14 | rnd4 | typeStandard | result1 | date2018-05-12 | rnd1 | typeStandard | result1 | ||
| OpponentBaatjies, J (Jayden) | OpponentWilliams, J (Johnadino) | ||||||||
| 3 | 2 | TournamentEden Schools Closed Trials 1 2020 | TournamentEden Schools Closed Trials 1 2020 | ||||||
| date2020-03-07 | rnd3 | typeStandard | result1 | date2020-03-07 | rnd4 | typeStandard | result1 | ||
| OpponentStuurman, J (Junaton) | OpponentManuel, W (Wychiffe) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentEden Chess League 2018 | TournamentEden Chess League 2018 | ||||||
| date2018-09-01 | rnd6 | typeRapid | result1 | date2018-09-01 | rnd7 | typeRapid | result1 | ||
| OpponentErasmus, W (Wiaan) | OpponentAdams, L (Leonard) | ||||||||
| 2 | 2 | TournamentEden Chess League 2018 | TournamentEden Chess League 2018 | ||||||
| date2018-09-01 | rnd2 | typeRapid | result1 | date2018-09-01 | rnd3 | typeRapid | result1 | ||
| OpponentDubee, C (Cheslyn) | OpponentMeyer, J (Jared) | ||||||||
| # | 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 | Miller ,M (Mikyle) | 3 | 2 | 141.7 | 3 | 2 | 141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1267 | 1408.6 | 1249.9 | 1408.6 | 0 | 0 | 0 | 0 | ||||||
| 2 | Muller ,L (Luzane) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1135.7 | 1135.7 | 1132.5 | 1135.7 | 0 | 0 | 0 | 0 | ||||||
| 3 | Nomdie ,J (Jodi) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 688.8 | 1113.8 | 712.8 | 1113.8 | 0 | 0 | 0 | 0 | ||||||
| 4 | Mans ,A (Arjan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 747.4 | 1172.4 | 761.6 | 1172.4 | 0 | 0 | 0 | 0 | ||||||
| 5 | Stephanus ,M (Melissa) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1089.6 | 664.6 | 1089.6 | 664.6 | 0 | 0 | 0 | 0 | ||||||
| 6 | George ,E (Elermo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 7 | Manuel ,W (Wychiffe) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1166.1 | 1591.1 | 1156.4 | 1591.1 | 0 | 0 | 0 | 0 | ||||||
| 8 | October ,J (Juvaan) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 675.2 | 675.2 | 688.6 | 675.2 | 0 | 0 | 0 | 0 | ||||||
| 9 | Mguzulwa ,E (Esona) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 755.2 | 1180.2 | 745.2 | 1180.2 | 0 | 0 | 0 | 0 | ||||||
| 10 | Stuurman ,L (Luciano) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1256.8 | 831.8 | 1287 | 831.8 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

