PLAYER PAGE
Personal
Louw, WI (Wilhelm Izak)
Chess SA id
183018659FIDE id
?Date of birth
1983-11-04 (Adult)Gender
MaleRegion
Johannesburg Metro (GJM)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-10-04Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1651.4 | 1652 | 1648.4 | 1649.1 |
| Raw rating | 1644.1 | 1652 | 1607.2 | 1615.3 |
| Weighted rating | 1651.4 | 1652 | 1648.4 | 1649.1 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 1152 | 1152 | 1152 | 1152 |
| K-factor | 28 | 28 | 28 | 28 |
| Min/Max rating change allowed | 88.1 | 87.1 | 92.8 | 91.8 |
| Highest rating | 16522019-02-01 | 16522019-02-01 | 16522019-02-01 | 16522019-02-01 |
| Highest raw rating | 16522024-02-01 | 16522024-02-01 | 16522024-02-01 | 16522024-02-01 |
| Highest weighted rating | 16522019-02-01 | 16522019-02-01 | 16522019-02-01 | 16522019-02-01 |
| Highest weighted performance | 12002024-02-01 | 12002024-02-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | -0.6 | 0 | -3.4 | -2.8 |
| New rating | 1650.8 | 1652 | 1645 | 1646.3 |
| Analysis | ||||
| Rating | 1651.4 | 1652 | 1648.4 | 1649.1 |
| Raw rating | 1644.1 | 1652 | 1607.2 | 1615.3 |
| Weighted rating | 1651.4 | 1652 | 1648.4 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 28 | 28 | 28 | 28 |
| Floor | 1152 | 1152 | 1152 | 1152 |
| Max/Min rating change allowed | 88.1 | 87.1 | 92.8 | 91.8 |
| 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 | 1644.1 | 1652 | 1607.2 | 1615.3 |
| New weighted rating | 1650.8 | 1652 | 1645 | 1646.3 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1650.8 | 1652 | 1645 | 1646.3 |
| Temp new rating +/- | -0.6 | 0 | -3.4 | -2.8 |
| Final new rating +/- | -0.6 | 0 | -3.4 | -2.8 |
| New rating | 1650.8 | 1652 | 1645 | 1646.3 |
| New K-factor | 28 | 28 | 28 | 28 |
| New floor | 1152 | 1152 | 1152 | 1152 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 16 | 0 | 7 | 9 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 28 | 12 | 7 | 9 |
| Games since | |||||||||||||||||
| Main16 | Standard0 | Rapid7 | Blitz9 | ||||||||||||||
| 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 | 16 | 8.5 | 53.12 | 26.6 | 1584.2 | 1610.7 |
| Standard | 0 | 0 | 0 | 0 | 0 | 0 |
| Rapid | 7 | 3.5 | 50 | 0 | 1578.4 | 1578.4 |
| Blitz | 9 | 5 | 55.56 | 47.2 | 1588.7 | 1635.9 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 16 | 8.5 | 53.12 | 26.6 | 1584.2 | 1610.7 |
| Standard | 0 | 0 | 0 | 0 | 0 | 0 |
| Rapid | 7 | 3.5 | 50 | 0 | 1578.4 | 1578.4 |
| Blitz | 9 | 5 | 55.56 | 47.2 | 1588.7 | 1635.9 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1644.1 | 1652 | 1607.2 | 1615.3 |
| 2025-09-30 | 1652 | 1652 | 1652 | 1652 |
| 2025-09-01 | 1652 | 1652 | 1652 | 1652 |
| 2025-08-01 | 1652 | 1652 | 1652 | 1652 |
| 2025-07-01 | 1652 | 1652 | 1652 | 1652 |
| 2025-06-01 | 1652 | 1652 | 1652 | 1652 |
| 2025-05-01 | 1652 | 1652 | 1652 | 1652 |
| 2025-04-01 | 1652 | 1652 | 1652 | 1652 |
| 2025-03-01 | 1652 | 1652 | 1652 | 1652 |
| 2025-02-01 | 1652 | 1652 | 1652 | 1652 |
| 2025-01-01 | 1652 | 1652 | 1652 | 1652 |
| 2024-12-01 | 1652 | 1652 | 1652 | 1652 |
| 2024-11-01 | 1652 | 1652 | 1652 | 1652 |
| 2024-10-01 | 1652 | 1652 | 1652 | 1652 |
| 2024-09-01 | 1652 | 1652 | 1652 | 1652 |
| 2024-08-01 | 1652 | 1652 | 1652 | 1652 |
| 2024-07-01 | 1652 | 1652 | 1652 | 1652 |
| 2024-09-01 | 1652 | 1652 | 1652 | 1652 |
| 2024-05-01 | 1652 | 1652 | 1652 | 1652 |
| 2024-04-01 | 1652 | 1652 | 1652 | 1652 |
| 2024-03-01 | 1652 | 1652 | 1652 | 1652 |
| 2024-02-01 | 1652 | 1652 | 1652 | 1652 |
| 2024-01-01 | 1652 | 1652 | 1652 | 1652 |
| 2023-12-01 | 1652 | 1652 | 1652 | 1652 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Mossel Bay Open (Rapid A) | 2025-10-04 | 2025-10-04 | Rapid | Eden (WEG) | 7 | 7 | 3.5 | Yes | Analysis |
| 2 | 2025 Mossel Bay Open (Blitz) | 2025-10-03 | 2025-10-03 | Blitz | Eden (WEG) | 9 | 9 | 5 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Mossel Bay Open (Rapid A) | 2025-10-04 | 2025-10-04 | Rapid | Eden (WEG) | 7 | 7 | 3.5 | Yes | Analysis |
| 2 | 2025 Mossel Bay Open (Blitz) | 2025-10-03 | 2025-10-03 | Blitz | Eden (WEG) | 9 | 9 | 5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2025 Mossel Bay Open | Tournament2025 Mossel Bay Open | ||||||
| date2025-10-04 | rnd5 | typeRapid | result1 | date2025-10-04 | rnd7 | typeRapid | result0.5 | ||
| OpponentMarner, B (Bryan Neil) | OpponentCoetzer, PWJ (Pieter Wilhelm) | ||||||||
| 2 | 2 | Tournament2025 Mossel Bay Open | Tournament2025 Mossel Bay Open | ||||||
| date2025-10-03 | rnd5 | typeBlitz | result1 | date2025-10-03 | rnd6 | typeBlitz | result1 | ||
| OpponentBotha, J (Jaylie) | OpponentCloete, R (Ralph) | ||||||||
| 3 | 1 | Tournament2025 Mossel Bay Open | Tournament2025 Mossel Bay Open | ||||||
| date2025-10-04 | rnd3 | typeRapid | result1 | date2025-10-04 | rnd3 | typeRapid | result1 | ||
| OpponentPlaatjies, R (Rumark) | OpponentPlaatjies, R (Rumark) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | 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 | Cloete ,R (Ralph) | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | -425 | 1 | 1 | 425 |
| 1552.2 | 1552.2 | 0 | 0 | 1440.2 | 1127.2 | 1326.3 | 1977.2 | ||||||
| 2 | Dyzel ,P (Pieter) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1645.2 | 1220.2 | 0 | 0 | 1312 | 1220.2 | 0 | 0 | ||||||
| 3 | Plaatjies ,A (Ayren) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1357.2 | 1782.2 | 0 | 0 | 1198.8 | 1782.2 | 0 | 0 | ||||||
| 4 | Coetzer ,PWJ (Pieter Wilhelm) | 1 | 0.5 | 0 | 0 | 0 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 |
| 2072 | 2072 | 0 | 0 | 2069.4 | 2072 | 0 | 0 | ||||||
| 5 | Plaatjies ,R (Rumark) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1242.7 | 1667.7 | 0 | 0 | 1208.1 | 1667.7 | 0 | 0 | ||||||
| 6 | Nortje ,P (Pieter) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1565.6 | 1140.6 | 0 | 0 | 1430.3 | 1140.6 | 0 | 0 | ||||||
| 7 | Marner ,B (Bryan Neil) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1613.7 | 2038.7 | 0 | 0 | 1411.1 | 2038.7 | 0 | 0 | ||||||
| 8 | Flores Bartoli ,A (Andrew) | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | -425 |
| 1755.5 | 1330.5 | 0 | 0 | 0 | 0 | 1646.5 | 1330.5 | ||||||
| 9 | Swart ,S (Sune) | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | -425 |
| 1567.9 | 1142.9 | 0 | 0 | 0 | 0 | 1445.1 | 1142.9 | ||||||
| 10 | Louw ,WI (Wilhelm) | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 425 |
| 1609.9 | 2034.9 | 0 | 0 | 0 | 0 | 1670 | 2034.9 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|