PLAYER PAGE
Personal
Oosthuizen, H (Haygan)
Chess SA id
105065445FIDE id
?Date of birth
2005-06-23 (Adult)Gender
MaleRegion
Eden (WEG)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-02-11Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1071.5 | 1071.3 | 754.8 | 754.8 |
| Raw rating | 1071.5 | 1071.3 | 754.8 | 754.8 |
| Weighted rating | 1071.5 | 1071.3 | 754.8 | 754.8 |
| Weighted performance | 446.8 | 445.8 | 0 | 0 |
| Floor | 589.3 | 580.1 | 500 | 500 |
| K-factor | 40 | 40 | 40 | 40 |
| Min/Max rating change allowed | 199.1 | 199.2 | 312.7 | 312.7 |
| Highest rating | 12222018-07-01 | 1222.82018-07-01 | 12002024-02-01 | 12002024-02-01 |
| Highest raw rating | 1089.32019-03-01 | 1080.12019-03-01 | 754.82024-02-01 | 754.82024-02-01 |
| Highest weighted rating | 1089.32024-11-01 | 1080.12024-11-01 | 754.82024-11-01 | 754.82024-11-01 |
| Highest weighted performance | 12222018-07-01 | 1222.82018-07-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1071.5 | 1071.3 | 754.8 | 754.8 |
| Analysis | ||||
| Rating | 1071.5 | 1071.3 | 754.8 | 754.8 |
| Raw rating | 1071.5 | 1071.3 | 754.8 | 754.8 |
| Weighted rating | 1071.5 | 1071.3 | 754.8 | |
| Weighted performance | 446.8 | 445.8 | 0 | |
| K-factor | 40 | 40 | 40 | 40 |
| Floor | 589.3 | 580.1 | 500 | 500 |
| Max/Min rating change allowed | 199.1 | 199.2 | 312.7 | 312.7 |
| 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 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| New weighted rating | 1071.5 | 1071.3 | 754.8 | 754.8 |
| New weighted performance | 440.5 | 439.5 | 0 | 0 |
| Temp new rating | 1071.5 | 1071.3 | 754.8 | 754.8 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1071.5 | 1071.3 | 754.8 | 754.8 |
| New K-factor | 40 | 40 | 40 | 40 |
| New floor | 589.3 | 580.1 | 500 | 500 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 116 | 116 | 0 | 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 | 52 | 28.5 | 54.81 | 40.9 | 1053.9 | 1094.7 |
| Standard | 52 | 28.5 | 54.81 | 40.9 | 1053.9 | 1094.7 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2025-09-30 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2025-09-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2025-08-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2025-07-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2025-06-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2025-05-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2025-04-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2025-03-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2025-02-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2025-01-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2024-12-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2024-11-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2024-10-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2024-09-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2024-08-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2024-07-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2024-09-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2024-05-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2024-04-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2024-03-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2024-02-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2024-01-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
| 2023-12-01 | 1071.5 | 1071.3 | 754.8 | 754.8 |
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 | Hessequa Proewe 2 2023 (O19 Seuns+Dogters) | 2023-02-11 | 2023-02-11 | Standard | Eden (WEG) | 5 | 5 | 3 | Yes | Analysis |
| 2 | Hessequa Skaak Proewe 2 2020 (O15 Seuns) | 2020-02-22 | 2020-02-22 | Standard | Eden (WEG) | 5 | 5 | 1 | Yes | Analysis |
| 3 | Hessequa Skaak Proewe 1 2020 (O15 Seuns) | 2020-02-01 | 2020-02-01 | Standard | Eden (WEG) | 5 | 4 | 1 | Yes | Analysis |
| 4 | Eden Trials 3 2019 (U16 Open) | 2019-05-11 | 2019-05-11 | Standard | Eden (WEG) | 5 | 4 | 2 | Yes | Analysis |
| 5 | Eden Trials 2 2019 (U16 Open) | 2019-04-13 | 2019-04-13 | Standard | Eden (WEG) | 5 | 4 | 2 | Yes | Analysis |
| 6 | Eden Trials 1 2019 (U16 Open) | 2019-03-02 | 2019-03-02 | Standard | Eden (WEG) | 5 | 5 | 2 | Yes | Analysis |
| 7 | Hessequa Proewe 2 2019 (O16) | 2019-02-16 | 2019-02-16 | Standard | Eden (WEG) | 5 | 5 | 3 | Yes | Analysis |
| 8 | Hessequa Proewe 1 2019 (O16) | 2019-01-26 | 2019-01-26 | Standard | Eden (WEG) | 5 | 5 | 3.5 | Yes | Analysis |
| 9 | Eden Top Schools 2018 (U13 Mix) | 2018-07-28 | 2018-07-28 | Standard | Eden (WEG) | 5 | 5 | 5 | Yes | Analysis |
| 10 | EDENSC Closed 3 2018 (U14 Open) | 2018-05-12 | 2018-05-12 | Standard | Eden (WEG) | 5 | 5 | 3 | Yes | Analysis |
| 11 | EDENSC Closed 1 2018 (U14 Boys) | 2018-03-10 | 2018-03-10 | Standard | Eden (WEG) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 9 | TournamentEDENSC Closed 3 2018 | TournamentHessequa Proewe 1 2019 | ||||||
| date2018-05-12 | rnd5 | typeStandard | result1 | date2019-01-26 | rnd3 | typeStandard | result1 | ||
| OpponentSpangenberg, C (Cherise) | OpponentJoseph, C (Christopher) | ||||||||
| 2 | 3 | TournamentHessequa Proewe 2 2023 | TournamentHessequa Proewe 2 2023 | ||||||
| date2023-02-11 | rnd2 | typeStandard | result1 | date2023-02-11 | rnd4 | typeStandard | result1 | ||
| OpponentDoman, R (Ruan) | OpponentEksteen, W (Wilbur) | ||||||||
| 3 | 3 | TournamentHessequa Proewe 1 2019 | TournamentHessequa Proewe 2 2019 | ||||||
| date2019-01-26 | rnd5 | typeStandard | result0.5 | date2019-02-16 | rnd2 | typeStandard | result1 | ||
| OpponentErasmus, W (Wiaan) | OpponentStevens, R (Rubenique) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 9 | TournamentEDENSC Closed 3 2018 | TournamentHessequa Proewe 1 2019 | ||||||
| date2018-05-12 | rnd5 | typeStandard | result1 | date2019-01-26 | rnd3 | typeStandard | result1 | ||
| OpponentSpangenberg, C (Cherise) | OpponentJoseph, C (Christopher) | ||||||||
| 2 | 3 | TournamentHessequa Proewe 2 2023 | TournamentHessequa Proewe 2 2023 | ||||||
| date2023-02-11 | rnd2 | typeStandard | result1 | date2023-02-11 | rnd4 | typeStandard | result1 | ||
| OpponentDoman, R (Ruan) | OpponentEksteen, W (Wilbur) | ||||||||
| 3 | 3 | TournamentHessequa Proewe 1 2019 | TournamentHessequa Proewe 2 2019 | ||||||
| date2019-01-26 | rnd5 | typeStandard | result0.5 | date2019-02-16 | rnd2 | typeStandard | result1 | ||
| OpponentErasmus, W (Wiaan) | OpponentStevens, R (Rubenique) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 9 | TournamentEDENSC Closed 3 2018 | TournamentHessequa Proewe 1 2019 | ||||||
| date2018-05-12 | rnd5 | typeStandard | result1 | date2019-01-26 | rnd3 | typeStandard | result1 | ||
| OpponentSpangenberg, C (Cherise) | OpponentJoseph, C (Christopher) | ||||||||
| 2 | 3 | TournamentHessequa Proewe 2 2023 | TournamentHessequa Proewe 2 2023 | ||||||
| date2023-02-11 | rnd2 | typeStandard | result1 | date2023-02-11 | rnd4 | typeStandard | result1 | ||
| OpponentDoman, R (Ruan) | OpponentEksteen, W (Wilbur) | ||||||||
| 3 | 2 | TournamentEden Trials 3 2019 | TournamentEden Trials 3 2019 | ||||||
| date2019-05-11 | rnd3 | typeStandard | result1 | date2019-05-11 | rnd4 | typeStandard | result1 | ||
| OpponentBarends, X (Xavier) | OpponentPieterse, A (Amelick) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 9 | TournamentEDENSC Closed 3 2018 | TournamentHessequa Proewe 1 2019 | ||||||
| date2018-05-12 | rnd5 | typeStandard | result1 | date2019-01-26 | rnd3 | typeStandard | result1 | ||
| OpponentSpangenberg, C (Cherise) | OpponentJoseph, C (Christopher) | ||||||||
| 2 | 3 | TournamentHessequa Proewe 2 2023 | TournamentHessequa Proewe 2 2023 | ||||||
| date2023-02-11 | rnd2 | typeStandard | result1 | date2023-02-11 | rnd4 | typeStandard | result1 | ||
| OpponentDoman, R (Ruan) | OpponentEksteen, W (Wilbur) | ||||||||
| 3 | 2 | TournamentEden Trials 3 2019 | TournamentEden Trials 3 2019 | ||||||
| date2019-05-11 | rnd3 | typeStandard | result1 | date2019-05-11 | rnd4 | typeStandard | result1 | ||
| OpponentBarends, X (Xavier) | OpponentPieterse, A (Amelick) | ||||||||
| # | 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 | Joseph ,C (Christopher) | 3 | 1 | -141.7 | 3 | 1 | -141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1108.7 | 967 | 1104 | 967 | 0 | 0 | 0 | 0 | ||||||
| 2 | Sheldon ,A (Ackim) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 909.7 | 909.7 | 915.5 | 909.7 | 0 | 0 | 0 | 0 | ||||||
| 3 | Stevens ,R (Rubenique) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 901.3 | 1326.3 | 872.4 | 1326.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Pietersen ,E (Enzalin) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1203.4 | 778.4 | 1209.6 | 778.4 | 0 | 0 | 0 | 0 | ||||||
| 5 | Eksteen ,W (Wilbur) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 852.2 | 1277.2 | 851.4 | 1277.2 | 0 | 0 | 0 | 0 | ||||||
| 6 | Koen ,I (Ivan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1342.2 | 917.2 | 1325.3 | 917.2 | 0 | 0 | 0 | 0 | ||||||
| 7 | Spangenberg ,C (Cherise) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 870.6 | 1295.6 | 886.6 | 1295.6 | 0 | 0 | 0 | 0 | ||||||
| 8 | Erasmus ,W (Wiaan) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 913.7 | 913.7 | 919.1 | 913.7 | 0 | 0 | 0 | 0 | ||||||
| 9 | Petersen ,JD (John-Wayne Dwight) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 921.6 | 1346.6 | 921.6 | 1346.6 | 0 | 0 | 0 | 0 | ||||||
| 10 | Kiewiet ,M (Marvin) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 969.9 | 544.9 | 975.2 | 544.9 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

