PLAYER PAGE
Personal
Erasmus, W (Willem)
Chess SA id
187009027FIDE id
?Date of birth
1987-02-24 (Adult)Gender
MaleRegion
Mangaung (FMB)Citizen
RSATitles
Chess SA registered
NoLast active game
2024-12-08Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1289.4 | 1288.9 | 1300 | 1300 |
| Raw rating | 1288 | 1287.5 | 1300 | 1300 |
| Weighted rating | 1289.4 | 1288.9 | 1299 | 1299 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 800 | 800 | 800 | 800 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 146.3 | 146.4 | 143.8 | 143.8 |
| Highest rating | 13002024-02-01 | 13002024-02-01 | 13002024-02-01 | 13002024-02-01 |
| Highest raw rating | 13002024-02-01 | 13002024-02-01 | 13002024-02-01 | 13002024-02-01 |
| Highest weighted rating | 12882025-08-01 | 1287.52025-08-01 | 1296.72025-08-01 | 1296.72025-08-01 |
| Highest weighted performance | 12002024-02-01 | 12002024-02-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0.2 | 0.2 | 0 | 0 |
| New rating | 1289.6 | 1289.1 | 1300 | 1300 |
| Analysis | ||||
| Rating | 1289.4 | 1288.9 | 1300 | 1300 |
| Raw rating | 1288 | 1287.5 | 1300 | 1300 |
| Weighted rating | 1289.4 | 1288.9 | 1299 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 800 | 800 | 800 | 800 |
| Max/Min rating change allowed | 146.3 | 146.4 | 143.8 | 143.8 |
| 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 | 1288 | 1287.5 | 1300 | 1300 |
| New weighted rating | 1289.6 | 1289.1 | 1299.7 | 1299.7 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1289.6 | 1289.1 | 1300 | 1300 |
| Temp new rating +/- | 0.2 | 0.2 | 0 | 0 |
| Final new rating +/- | 0.2 | 0.2 | 0 | 0 |
| New rating | 1289.6 | 1289.1 | 1300 | 1300 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 800 | 800 | 800 | 800 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 5 | 5 | 0 | 0 |
| Games since | |||||||||||||||||
| Main5 | Standard5 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Mangaung (FMB) | ||||||||||||||||
| Province | Free State (FS) | ||||||||||||||||
| 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 | 5 | 2 | 40 | -85 | 1296 | 1211 |
| Standard | 5 | 2 | 40 | -85 | 1296 | 1211 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1288 | 1287.5 | 1300 | 1300 |
| 2025-09-01 | 1288 | 1287.5 | 1300 | 1300 |
| 2025-08-01 | 1288 | 1287.5 | 1300 | 1300 |
| 2025-07-01 | 1286.9 | 1286.4 | 1300 | 1300 |
| 2025-06-01 | 1285.6 | 1285.1 | 1300 | 1300 |
| 2025-05-01 | 1284.1 | 1283.6 | 1300 | 1300 |
| 2025-04-01 | 1282.5 | 1282 | 1300 | 1300 |
| 2025-03-01 | 1281.7 | 1280.4 | 1300 | 1300 |
| 2025-02-01 | 1281.7 | 1279.8 | 1300 | 1300 |
| 2025-01-01 | 1281.7 | 1279.8 | 1300 | 1300 |
| 2024-12-01 | 1300 | 1300 | 1300 | 1300 |
| 2024-11-01 | 1300 | 1300 | 1300 | 1300 |
| 2024-10-01 | 1300 | 1300 | 1300 | 1300 |
| 2024-09-01 | 1300 | 1300 | 1300 | 1300 |
| 2024-08-01 | 1300 | 1300 | 1300 | 1300 |
| 2024-07-01 | 1300 | 1300 | 1300 | 1300 |
| 2024-06-01 | 1300 | 1300 | 1300 | 1300 |
| 2024-08-01 | 1300 | 1300 | 1300 | 1300 |
| 2024-04-01 | 1300 | 1300 | 1300 | 1300 |
| 2024-03-01 | 1300 | 1300 | 1300 | 1300 |
| 2024-02-01 | 1300 | 1300 | 1300 | 1300 |
| 2024-01-01 | 1300 | 1300 | 1300 | 1300 |
| 2023-12-01 | 1200 | 1200 | 1200 | 1200 |
| 2023-11-01 | 1200 | 1200 | 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 | Gauteng Inter-Region at UJ 2024 (Adult+Senior) | 2024-12-07 | 2024-12-08 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentGauteng Inter-Region at UJ 2024 | TournamentGauteng Inter-Region at UJ 2024 | ||||||
| date2024-12-08 | rnd5 | typeStandard | result1 | date2024-12-08 | rnd5 | typeStandard | result1 | ||
| OpponentNiayesh, H (Hani) | OpponentNiayesh, H (Hani) | ||||||||
| 2 | 1 | TournamentGauteng Inter-Region at UJ 2024 | TournamentGauteng Inter-Region at UJ 2024 | ||||||
| date2024-12-07 | rnd1 | typeStandard | result1 | date2024-12-07 | rnd1 | typeStandard | result1 | ||
| OpponentErnst, W (Werner) | OpponentErnst, W (Werner) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentGauteng Inter-Region at UJ 2024 | TournamentGauteng Inter-Region at UJ 2024 | ||||||
| date2024-12-08 | rnd5 | typeStandard | result1 | date2024-12-08 | rnd5 | typeStandard | result1 | ||
| OpponentNiayesh, H (Hani) | OpponentNiayesh, H (Hani) | ||||||||
| 2 | 1 | TournamentGauteng Inter-Region at UJ 2024 | TournamentGauteng Inter-Region at UJ 2024 | ||||||
| date2024-12-07 | rnd1 | typeStandard | result1 | date2024-12-07 | rnd1 | typeStandard | result1 | ||
| OpponentErnst, W (Werner) | OpponentErnst, W (Werner) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentGauteng Inter-Region at UJ 2024 | TournamentGauteng Inter-Region at UJ 2024 | ||||||
| date2024-12-08 | rnd5 | typeStandard | result1 | date2024-12-08 | rnd5 | typeStandard | result1 | ||
| OpponentNiayesh, H (Hani) | OpponentNiayesh, H (Hani) | ||||||||
| 2 | 1 | TournamentGauteng Inter-Region at UJ 2024 | TournamentGauteng Inter-Region at UJ 2024 | ||||||
| date2024-12-07 | rnd1 | typeStandard | result1 | date2024-12-07 | rnd1 | typeStandard | result1 | ||
| OpponentErnst, W (Werner) | OpponentErnst, W (Werner) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentGauteng Inter-Region at UJ 2024 | TournamentGauteng Inter-Region at UJ 2024 | ||||||
| date2024-12-08 | rnd5 | typeStandard | result1 | date2024-12-08 | rnd5 | typeStandard | result1 | ||
| OpponentNiayesh, H (Hani) | OpponentNiayesh, H (Hani) | ||||||||
| 2 | 1 | TournamentGauteng Inter-Region at UJ 2024 | TournamentGauteng Inter-Region at UJ 2024 | ||||||
| date2024-12-07 | rnd1 | typeStandard | result1 | date2024-12-07 | rnd1 | typeStandard | result1 | ||
| OpponentErnst, W (Werner) | OpponentErnst, W (Werner) | ||||||||
| # | 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 | Molapo ,J (Justice) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 741 | 316 | 874.6 | 316 | 0 | 0 | 0 | 0 | ||||||
| 2 | Tracey ,T (Terence) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1335.8 | 910.8 | 1375.4 | 910.8 | 0 | 0 | 0 | 0 | ||||||
| 3 | Ernst ,W (Werner) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1238.5 | 1663.5 | 1182 | 1663.5 | 0 | 0 | 0 | 0 | ||||||
| 4 | Niayesh ,H (Hani) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1323 | 1748 | 1327.6 | 1748 | 0 | 0 | 0 | 0 | ||||||
| 5 | Mathe ,NJ (Neo Joseph) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1841.6 | 1416.6 | 1849.3 | 1416.6 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|