PLAYER PAGE
Personal
Pretorius, S (Stefan)
Chess SA id
1150144544FIDE id
?Date of birth
2015-03-09 (U12)Gender
MaleRegion
West Rand (GWR)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-07-22Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1006.6 | 1002.9 | 1200 | 1200 |
| Raw rating | 1006.6 | 1002.9 | 1200 | 1200 |
| Weighted rating | 1006 | 1002.1 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 218.4 | 219.6 | 165.8 | 165.8 |
| Highest rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002019-12-01 | 12002019-12-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002019-12-01 | 12002019-12-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1006.6 | 1002.9 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1006.6 | 1002.9 | 1200 | 1200 |
| Raw rating | 1006.6 | 1002.9 | 1200 | 1200 |
| Weighted rating | 1006 | 1002.1 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 218.4 | 219.6 | 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 | 1006.6 | 1002.9 | 1200 | 1200 |
| New weighted rating | 1006 | 1002.2 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1006.6 | 1002.9 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1006.6 | 1002.9 | 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 | |
| 0 | 0 | 0 | 0 | |
| 10 | 10 | 0 | 0 | |
| 15 | 15 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 25 | 25 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U12 | ||||||||||||||||
| Region | West Rand (GWR) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 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 | 25 | 3 | 12 | -323 | 1209.2 | 886.2 |
| Standard | 25 | 3 | 12 | -323 | 1209.2 | 886.2 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1006.6 | 1002.9 | 1200 | 1200 |
| 2025-09-01 | 1006.6 | 1002.9 | 1200 | 1200 |
| 2025-08-01 | 1006.6 | 1002.9 | 1200 | 1200 |
| 2025-07-01 | 1006.6 | 1002.9 | 1200 | 1200 |
| 2025-06-01 | 1006.6 | 1002.9 | 1200 | 1200 |
| 2025-05-01 | 1006.6 | 1002.9 | 1200 | 1200 |
| 2025-04-01 | 1006.6 | 1002.9 | 1200 | 1200 |
| 2025-03-01 | 1006.6 | 1002.9 | 1200 | 1200 |
| 2025-02-01 | 1006.6 | 1002.9 | 1200 | 1200 |
| 2025-01-01 | 1005 | 1001 | 1200 | 1200 |
| 2024-12-01 | 1005 | 1001 | 1200 | 1200 |
| 2024-11-01 | 1005 | 1001 | 1200 | 1200 |
| 2024-10-01 | 1005 | 1001 | 1200 | 1200 |
| 2024-09-01 | 1005 | 1001 | 1200 | 1200 |
| 2024-08-01 | 1005 | 1001 | 1200 | 1200 |
| 2024-07-01 | 1005 | 1001 | 1200 | 1200 |
| 2024-06-01 | 1005 | 1001 | 1200 | 1200 |
| 2024-08-01 | 1005 | 1001 | 1200 | 1200 |
| 2024-04-01 | 1005 | 1001 | 1200 | 1200 |
| 2024-03-01 | 1005 | 1001 | 1200 | 1200 |
| 2024-02-01 | 1005 | 1001 | 1200 | 1200 |
| 2024-01-01 | 1005 | 1001 | 1200 | 1200 |
| 2023-12-01 | 1005 | 1001 | 1200 | 1200 |
| 2023-11-01 | 1005 | 1001 | 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 | D2 School League Finals 2023 (U9) | 2023-07-22 | 2023-07-22 | Standard | West Rand (GWR) | 7 | 5 | 0 | Yes | Analysis |
| 2 | D2 Schools Individuals 2023 (U9 Boys+Girls) | 2023-05-13 | 2023-05-13 | Standard | West Rand (GWR) | 5 | 5 | 2 | Yes | Analysis |
| 3 | D2 School League Finals 2022 (U9) | 2022-08-20 | 2022-08-20 | Standard | West Rand (GWR) | 6 | 6 | 0 | Yes | Analysis |
| 4 | 2nd West Rand Open 2022 (U10) | 2022-08-06 | 2022-08-06 | Standard | West Rand (GWR) | 5 | 4 | 0.5 | Yes | Analysis |
| 5 | 2022 Gauteng Schools Team Championships (U9 Open) | 2022-08-27 | 2022-08-27 | Standard | Tshwane (GTP) | 5 | 5 | 0.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentD2 Schools Individuals 2023 | TournamentD2 Schools Individuals 2023 | ||||||
| date2023-05-13 | rnd5 | typeStandard | result1 | date2023-05-13 | rnd5 | typeStandard | result1 | ||
| OpponentModisane, M (Makhala Angelina) | OpponentModisane, M (Makhala Angelina) | ||||||||
| 2 | 1 | TournamentD2 Schools Individuals 2023 | TournamentD2 Schools Individuals 2023 | ||||||
| date2023-05-13 | rnd1 | typeStandard | result1 | date2023-05-13 | rnd1 | typeStandard | result1 | ||
| OpponentVan Tonder, J (Jennike) | OpponentVan Tonder, J (Jennike) | ||||||||
| 3 | 1 | Tournament2022 Gauteng Schools Team Championships | Tournament2022 Gauteng Schools Team Championships | ||||||
| date2022-08-27 | rnd1 | typeStandard | result0.5 | date2022-08-27 | rnd1 | typeStandard | result0.5 | ||
| OpponentEngelbrecht, M (Marico) | OpponentEngelbrecht, M (Marico) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentD2 Schools Individuals 2023 | TournamentD2 Schools Individuals 2023 | ||||||
| date2023-05-13 | rnd5 | typeStandard | result1 | date2023-05-13 | rnd5 | typeStandard | result1 | ||
| OpponentModisane, M (Makhala Angelina) | OpponentModisane, M (Makhala Angelina) | ||||||||
| 2 | 1 | TournamentD2 Schools Individuals 2023 | TournamentD2 Schools Individuals 2023 | ||||||
| date2023-05-13 | rnd1 | typeStandard | result1 | date2023-05-13 | rnd1 | typeStandard | result1 | ||
| OpponentVan Tonder, J (Jennike) | OpponentVan Tonder, J (Jennike) | ||||||||
| 3 | 1 | Tournament2022 Gauteng Schools Team Championships | Tournament2022 Gauteng Schools Team Championships | ||||||
| date2022-08-27 | rnd1 | typeStandard | result0.5 | date2022-08-27 | rnd1 | typeStandard | result0.5 | ||
| OpponentEngelbrecht, M (Marico) | OpponentEngelbrecht, M (Marico) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentD2 Schools Individuals 2023 | TournamentD2 Schools Individuals 2023 | ||||||
| date2023-05-13 | rnd5 | typeStandard | result1 | date2023-05-13 | rnd5 | typeStandard | result1 | ||
| OpponentModisane, M (Makhala Angelina) | OpponentModisane, M (Makhala Angelina) | ||||||||
| 2 | 1 | TournamentD2 Schools Individuals 2023 | TournamentD2 Schools Individuals 2023 | ||||||
| date2023-05-13 | rnd1 | typeStandard | result1 | date2023-05-13 | rnd1 | typeStandard | result1 | ||
| OpponentVan Tonder, J (Jennike) | OpponentVan Tonder, J (Jennike) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentD2 Schools Individuals 2023 | TournamentD2 Schools Individuals 2023 | ||||||
| date2023-05-13 | rnd5 | typeStandard | result1 | date2023-05-13 | rnd5 | typeStandard | result1 | ||
| OpponentModisane, M (Makhala Angelina) | OpponentModisane, M (Makhala Angelina) | ||||||||
| 2 | 1 | TournamentD2 Schools Individuals 2023 | TournamentD2 Schools Individuals 2023 | ||||||
| date2023-05-13 | rnd1 | typeStandard | result1 | date2023-05-13 | rnd1 | typeStandard | result1 | ||
| OpponentVan Tonder, J (Jennike) | OpponentVan Tonder, J (Jennike) | ||||||||
| # | 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 | Pilliner ,H (Hunter) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 2 | Marais ,E (Ewald Pierre) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1175.2 | 750.2 | 1171.2 | 750.2 | 0 | 0 | 0 | 0 | ||||||
| 3 | Pieters ,I (Imrich) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 4 | Van Tonder ,J (Jennike) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 5 | Kampiyau ,S (Shane) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1252.3 | 827.3 | 1264.6 | 827.3 | 0 | 0 | 0 | 0 | ||||||
| 6 | Schutte ,CB (Christiaan Benjamin) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 7 | Ngwenya ,O (Ofentse) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 8 | Cronje ,B (Blake) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 9 | Motlhabi ,O (Oreneile) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 10 | Naidoo ,J (James) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1484.6 | 1059.6 | 1486 | 1059.6 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|