PLAYER PAGE
Personal
Van Der Merwe, J (Johannes)
Chess SA id
1020162661FIDE id
?Date of birth
2002-01-07 (Adult)Gender
MaleRegion
Johannesburg Metro (GJM)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-10-14Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1112.4 | 1146.1 | 1094.5 | 1200 |
| Raw rating | 1112.4 | 1146.1 | 1094.5 | 1200 |
| Weighted rating | 1109.7 | 1144.2 | 1091.8 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 187.9 | 179 | 192.7 | 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 | 12002019-12-01 | 12002024-03-01 |
| Highest weighted rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002019-12-01 | 12002019-12-01 | 12002019-12-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1112.4 | 1146.1 | 1094.5 | 1200 |
| Analysis | ||||
| Rating | 1112.4 | 1146.1 | 1094.5 | 1200 |
| Raw rating | 1112.4 | 1146.1 | 1094.5 | 1200 |
| Weighted rating | 1109.7 | 1144.2 | 1091.8 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 187.9 | 179 | 192.7 | 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 | 1112.4 | 1146.1 | 1094.5 | 1200 |
| New weighted rating | 1110 | 1144.5 | 1092.1 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1112.4 | 1146.1 | 1094.5 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1112.4 | 1146.1 | 1094.5 | 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 | |
| 8 | 3 | 5 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 8 | 3 | 5 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Johannesburg Metro (GJM) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| 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 | 8 | 0 | 0 | -425 | 1203.1 | 778.1 |
| Standard | 3 | 0 | 0 | -425 | 1180.7 | 755.7 |
| Rapid | 5 | 0 | 0 | -425 | 1216.5 | 791.5 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1112.4 | 1146.1 | 1094.5 | 1200 |
| 2025-09-30 | 1112.4 | 1146.1 | 1094.5 | 1200 |
| 2025-09-01 | 1112.4 | 1146.1 | 1094.5 | 1200 |
| 2025-08-01 | 1112.4 | 1146.1 | 1094.5 | 1200 |
| 2025-07-01 | 1112.4 | 1146.1 | 1094.5 | 1200 |
| 2025-06-01 | 1112.4 | 1146.1 | 1094.5 | 1200 |
| 2025-05-01 | 1112.4 | 1146.1 | 1094.5 | 1200 |
| 2025-04-01 | 1112.4 | 1146.1 | 1094.5 | 1200 |
| 2025-03-01 | 1112.4 | 1146.1 | 1094.5 | 1200 |
| 2025-02-01 | 1112.4 | 1146.1 | 1094.5 | 1200 |
| 2025-01-01 | 1104.7 | 1140.6 | 1086.6 | 1200 |
| 2024-12-01 | 1104.7 | 1140.6 | 1086.6 | 1200 |
| 2024-11-01 | 1104.7 | 1140.6 | 1086.6 | 1200 |
| 2024-10-01 | 1104.7 | 1140.6 | 1086.6 | 1200 |
| 2024-09-01 | 1104.7 | 1140.6 | 1086.6 | 1200 |
| 2024-08-01 | 1104.7 | 1140.6 | 1086.6 | 1200 |
| 2024-07-01 | 1104.7 | 1140.6 | 1086.6 | 1200 |
| 2024-09-01 | 1104.7 | 1140.6 | 1086.6 | 1200 |
| 2024-05-01 | 1104.7 | 1140.6 | 1086.6 | 1200 |
| 2024-04-01 | 1104.7 | 1140.6 | 1086.6 | 1200 |
| 2024-03-01 | 1104.7 | 1140.6 | 1086.6 | 1200 |
| 2024-02-01 | 1104.7 | 1140.6 | 1086.6 | 1200 |
| 2024-01-01 | 1104.7 | 1140.6 | 1086.6 | 1200 |
| 2023-12-01 | 1104.7 | 1140.6 | 1086.6 | 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 | NWU Vaal Open 2023 (A) | 2023-10-14 | 2023-10-14 | Standard | Sedibeng (GSV) | 5 | 3 | 0 | Yes | Analysis |
| 2 | Wits University 100 Chess Tournament 2023 | 2023-09-30 | 2023-09-30 | Rapid | Johannesburg Metro (GJM) | 5 | 5 | 0 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
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| # | Games | Start | End | ||||||
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| # | Games | Start | End | ||||||
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| # | Games | Start | End | ||||||
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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 | Moje ,L (Lethabo) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1102.1 | 677.1 | 1068.4 | 677.1 | 0 | 0 | 0 | 0 | ||||||
| 2 | Loeto ,M (Mogale) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1239.9 | 814.9 | 1231.2 | 814.9 | 0 | 0 | 0 | 0 | ||||||
| 3 | Mkhuma ,S (Smangaliso Mbekezeli) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 4 | Mooki ,R (Remofilwe) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1193.8 | 768.8 | 0 | 0 | 556.4 | 768.8 | 0 | 0 | ||||||
| 5 | Shongwe ,L (Lusanda) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1200 | 775 | 0 | 0 | 1200 | 775 | 0 | 0 | ||||||
| 6 | Gaetsosiwe ,B (Bokamoso) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1306.6 | 881.6 | 0 | 0 | 1236.1 | 881.6 | 0 | 0 | ||||||
| 7 | Lambiso ,ME (Matlakala Elizabeth) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1143.6 | 718.6 | 0 | 0 | 1150.8 | 718.6 | 0 | 0 | ||||||
| 8 | Sithole ,J (Jabulile) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1238.6 | 813.6 | 0 | 0 | 1150.5 | 813.6 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|