PLAYER PAGE
Personal
Mostert, R (Richard)
Chess SA id
1050098458FIDE id
?Date of birth
2005-12-16 (Adult)Gender
MaleRegion
Eden (WEG)Citizen
RSATitles
Chess SA registered
NoLast active game
2024-04-20Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1196.6 | 1194.9 | 1200 | 1200 |
| Raw rating | 1196.6 | 1194.9 | 1200 | 1200 |
| Weighted rating | 1195.7 | 1193.6 | 1200 | 1200 |
| Weighted performance | 942.7 | 939.3 | 0 | 0 |
| Floor | 754 | 753.3 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 166.6 | 167 | 165.8 | 165.8 |
| Highest rating | 1267.32024-02-01 | 1266.62024-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12542024-03-01 | 1253.32024-03-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 12542018-02-01 | 1253.32018-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1267.32024-02-01 | 1266.62024-02-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1196.6 | 1194.9 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1196.6 | 1194.9 | 1200 | 1200 |
| Raw rating | 1196.6 | 1194.9 | 1200 | 1200 |
| Weighted rating | 1195.7 | 1193.6 | 1200 | |
| Weighted performance | 942.7 | 939.3 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 754 | 753.3 | 700 | 700 |
| Max/Min rating change allowed | 166.6 | 167 | 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 | 1196.6 | 1194.9 | 1200 | 1200 |
| New weighted rating | 1195.6 | 1193.4 | 1200 | 1200 |
| New weighted performance | 935.6 | 932.3 | 0 | 0 |
| Temp new rating | 1196.6 | 1194.9 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1196.6 | 1194.9 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 754 | 753.3 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 18 | 18 | 0 | 0 | |
| 19 | 19 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 90 | 90 | 0 | 0 |
| Games since | |||||||||||||||||
| Main18 | Standard18 | 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 | 90 | 43 | 47.78 | -18.9 | 1088.4 | 1069.5 |
| Standard | 90 | 43 | 47.78 | -18.9 | 1088.4 | 1069.5 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1196.6 | 1194.9 | 1200 | 1200 |
| 2025-09-30 | 1196.6 | 1194.9 | 1200 | 1200 |
| 2025-09-01 | 1196.6 | 1194.9 | 1200 | 1200 |
| 2025-08-01 | 1196.6 | 1194.9 | 1200 | 1200 |
| 2025-07-01 | 1196.6 | 1194.9 | 1200 | 1200 |
| 2025-06-01 | 1196.4 | 1194.9 | 1200 | 1200 |
| 2025-05-01 | 1196 | 1194.6 | 1200 | 1200 |
| 2025-04-01 | 1195.2 | 1194.1 | 1200 | 1200 |
| 2025-03-01 | 1194.1 | 1193.1 | 1200 | 1200 |
| 2025-02-01 | 1192.7 | 1191.5 | 1200 | 1200 |
| 2025-01-01 | 1190.5 | 1186.3 | 1200 | 1200 |
| 2024-12-01 | 1190.5 | 1186.3 | 1200 | 1200 |
| 2024-11-01 | 1190.5 | 1186.3 | 1200 | 1200 |
| 2024-10-01 | 1190.5 | 1186.3 | 1200 | 1200 |
| 2024-09-01 | 1190.5 | 1186.3 | 1200 | 1200 |
| 2024-08-01 | 1190.5 | 1186.3 | 1200 | 1200 |
| 2024-07-01 | 1190.5 | 1186.3 | 1200 | 1200 |
| 2024-09-01 | 1190.5 | 1186.3 | 1200 | 1200 |
| 2024-05-01 | 1190.5 | 1186.3 | 1200 | 1200 |
| 2024-04-01 | 1230.7 | 1223.4 | 1200 | 1200 |
| 2024-03-01 | 1254 | 1253.3 | 1200 | 1200 |
| 2024-02-01 | 1202.4 | 1211.6 | 1200 | 1200 |
| 2024-01-01 | 1202.4 | 1211.6 | 1200 | 1200 |
| 2023-12-01 | 1202.4 | 1211.6 | 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 Chess Trials 2 2024 (U20) | 2024-04-13 | 2024-04-20 | Standard | Eden (WEG) | 10 | 9 | 3 | Yes | Analysis |
| 2 | Eden School Chess Trials 1 2024 (U20 Mix) | 2024-03-09 | 2024-03-09 | Standard | Eden (WEG) | 5 | 5 | 2 | Yes | Analysis |
| 3 | OUDUSSA Trials 1 2024 (U20 Boys) | 2024-02-03 | 2024-02-03 | Standard | Eden (WEG) | 5 | 4 | 3 | Yes | Analysis |
| 4 | Eden Top Schools 2023 (U18 Mix) | 2023-08-19 | 2023-08-19 | Standard | Eden (WEG) | 5 | 5 | 5 | Yes | Analysis |
| 5 | Eden Trials 2+3 2023 (U20) | 2023-04-15 | 2023-05-13 | Standard | Eden (WEG) | 10 | 5 | 2.5 | Yes | Analysis |
| 6 | Eden Trails 1 2023 (U19 Boys) | 2023-03-11 | 2023-03-11 | Standard | Eden (WEG) | 5 | 4 | 1 | Yes | Analysis |
| 7 | Oudussa Proewe 1 2023 (U19 Boys) | 2023-02-11 | 2023-02-11 | Standard | Eden (WEG) | 5 | 5 | 3 | Yes | Analysis |
| 8 | Eden Schools Closed Trials 1 2020 (U15 Boys) | 2020-03-07 | 2020-03-07 | Standard | Eden (WEG) | 5 | 5 | 1.5 | Yes | Analysis |
| 9 | Oudtshoorn Proewe 1 2020 (O15) | 2020-02-15 | 2020-02-15 | Standard | Eden (WEG) | 5 | 5 | 3 | Yes | Analysis |
| 10 | Eden Trials 3 2019 (U16 Open) | 2019-05-11 | 2019-05-11 | Standard | Eden (WEG) | 5 | 5 | 2 | Yes | Analysis |
| 11 | Eden Trials 2 2019 (U16 Open) | 2019-04-13 | 2019-04-13 | Standard | Eden (WEG) | 5 | 5 | 1 | Yes | Analysis |
| 12 | Eden Trials 1 2019 (U16 Open) | 2019-03-02 | 2019-03-02 | Standard | Eden (WEG) | 5 | 5 | 2 | Yes | Analysis |
| 13 | Oudtshoorn Trials 3 2019 (U16) | 2019-02-16 | 2019-02-16 | Standard | Eden (WEG) | 5 | 4 | 2 | Yes | Analysis |
| 14 | Oudtshoorn Trials 2 2019 (U16) | 2019-02-09 | 2019-02-09 | Standard | Eden (WEG) | 5 | 5 | 3 | Yes | Analysis |
| 15 | Oudtshoorn Trials 1 2019 (U16) | 2019-01-19 | 2019-01-19 | Standard | Eden (WEG) | 5 | 5 | 4 | Yes | Analysis |
| 16 | EDENSC Closed 3 2018 (U14 Open) | 2018-05-12 | 2018-05-12 | Standard | Eden (WEG) | 5 | 4 | 3 | Yes | Analysis |
| 17 | EDENSC Closed 2 2018 (U14 Open) | 2018-04-14 | 2018-04-14 | Standard | Eden (WEG) | 5 | 5 | 1 | Yes | Analysis |
| 18 | EDENSC Closed 1 2018 (U14 Boys) | 2018-03-10 | 2018-03-10 | Standard | Eden (WEG) | 5 | 5 | 1 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | TournamentEden Top Schools 2023 | TournamentOUDUSSA Trials 1 2024 | ||||||
| date2023-08-19 | rnd1 | typeStandard | result1 | date2024-02-03 | rnd4 | typeStandard | result1 | ||
| OpponentJosephs, J (Josh) | OpponentLanghtrey, B (Brentiano) | ||||||||
| 2 | 5 | TournamentEDENSC Closed 3 2018 | TournamentOudtshoorn Trials 1 2019 | ||||||
| date2018-05-12 | rnd4 | typeStandard | result1 | date2019-01-19 | rnd3 | typeStandard | result1 | ||
| OpponentKiewiet, M (Marvin) | OpponentVon Berg, M (Meera) | ||||||||
| 3 | 3 | TournamentEden Trails 1 2023 | TournamentEden Trials 2+3 2023 | ||||||
| date2023-03-11 | rnd5 | typeStandard | result1 | date2023-04-15 | rnd2 | typeStandard | result1 | ||
| OpponentEksteen, W (Wilbur) | OpponentBotha, J (Jonathan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | TournamentEden Top Schools 2023 | TournamentOUDUSSA Trials 1 2024 | ||||||
| date2023-08-19 | rnd1 | typeStandard | result1 | date2024-02-03 | rnd4 | typeStandard | result1 | ||
| OpponentJosephs, J (Josh) | OpponentLanghtrey, B (Brentiano) | ||||||||
| 2 | 5 | TournamentEDENSC Closed 3 2018 | TournamentOudtshoorn Trials 1 2019 | ||||||
| date2018-05-12 | rnd4 | typeStandard | result1 | date2019-01-19 | rnd3 | typeStandard | result1 | ||
| OpponentKiewiet, M (Marvin) | OpponentVon Berg, M (Meera) | ||||||||
| 3 | 3 | TournamentEden Trails 1 2023 | TournamentEden Trials 2+3 2023 | ||||||
| date2023-03-11 | rnd5 | typeStandard | result1 | date2023-04-15 | rnd2 | typeStandard | result1 | ||
| OpponentEksteen, W (Wilbur) | OpponentBotha, J (Jonathan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | TournamentEden Top Schools 2023 | TournamentOUDUSSA Trials 1 2024 | ||||||
| date2023-08-19 | rnd1 | typeStandard | result1 | date2024-02-03 | rnd4 | typeStandard | result1 | ||
| OpponentJosephs, J (Josh) | OpponentLanghtrey, B (Brentiano) | ||||||||
| 2 | 5 | TournamentEDENSC Closed 3 2018 | TournamentOudtshoorn Trials 1 2019 | ||||||
| date2018-05-12 | rnd4 | typeStandard | result1 | date2019-01-19 | rnd3 | typeStandard | result1 | ||
| OpponentKiewiet, M (Marvin) | OpponentVon Berg, M (Meera) | ||||||||
| 3 | 3 | TournamentOudussa Proewe 1 2023 | TournamentOudussa Proewe 1 2023 | ||||||
| date2023-02-11 | rnd2 | typeStandard | result1 | date2023-02-11 | rnd4 | typeStandard | result1 | ||
| OpponentMienies, D (Deanay) | OpponentDavids, M (Mikah Rae) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | TournamentEden Top Schools 2023 | TournamentOUDUSSA Trials 1 2024 | ||||||
| date2023-08-19 | rnd1 | typeStandard | result1 | date2024-02-03 | rnd4 | typeStandard | result1 | ||
| OpponentJosephs, J (Josh) | OpponentLanghtrey, B (Brentiano) | ||||||||
| 2 | 5 | TournamentEDENSC Closed 3 2018 | TournamentOudtshoorn Trials 1 2019 | ||||||
| date2018-05-12 | rnd4 | typeStandard | result1 | date2019-01-19 | rnd3 | typeStandard | result1 | ||
| OpponentKiewiet, M (Marvin) | OpponentVon Berg, M (Meera) | ||||||||
| 3 | 3 | TournamentOudussa Proewe 1 2023 | TournamentOudussa Proewe 1 2023 | ||||||
| date2023-02-11 | rnd2 | typeStandard | result1 | date2023-02-11 | rnd4 | typeStandard | result1 | ||
| OpponentMienies, D (Deanay) | OpponentDavids, M (Mikah Rae) | ||||||||
| # | 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 | Goliath ,P (Peterianho) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1213.3 | 788.3 | 1214.1 | 788.3 | 0 | 0 | 0 | 0 | ||||||
| 2 | Botha ,J (Jonathan) | 3 | 1 | -141.7 | 3 | 1 | -141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1031.2 | 889.5 | 1036 | 889.5 | 0 | 0 | 0 | 0 | ||||||
| 3 | Joubert ,K (Kyle) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1249.5 | 824.5 | 1237.9 | 824.5 | 0 | 0 | 0 | 0 | ||||||
| 4 | Draai ,K (Kevin) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1177.3 | 752.3 | 1170.2 | 752.3 | 0 | 0 | 0 | 0 | ||||||
| 5 | Langhtrey ,B (Brentiano) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1170.2 | 1595.2 | 1164.6 | 1595.2 | 0 | 0 | 0 | 0 | ||||||
| 6 | Brown ,M (Marquin) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1018.6 | 1443.6 | 977.6 | 1443.6 | 0 | 0 | 0 | 0 | ||||||
| 7 | Von Berg ,M (Meera) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1101.2 | 1101.2 | 1081 | 1101.2 | 0 | 0 | 0 | 0 | ||||||
| 8 | Kiewiet ,M (Marvin) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1092.7 | 1092.7 | 1109.8 | 1092.7 | 0 | 0 | 0 | 0 | ||||||
| 9 | Williams ,D (Dillon) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1097.8 | 672.8 | 1108.7 | 672.8 | 0 | 0 | 0 | 0 | ||||||
| 10 | Petersen ,C (Chesree) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 976.5 | 1401.6 | 944.4 | 1401.6 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

