PLAYER PAGE
Personal
Valks, J (Johan)
Chess SA id
198038608FIDE id
?Date of birth
1998-04-15 (Adult)Gender
MaleRegion
Ehlanzeni (MEN)Citizen
RSATitles
Chess SA registered
NoLast active game
2019-07-21Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1223 | 1221.4 | 1266 | 1266 |
| Raw rating | 1223 | 1221.4 | 1266 | 1266 |
| Weighted rating | 1223 | 1221.4 | 1266 | 1266 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 766 | 766 | 766 | 766 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 160.5 | 160.8 | 150.9 | 150.9 |
| Highest rating | 12662018-01-01 | 12662018-01-01 | 12662019-11-01 | 12662019-11-01 |
| Highest raw rating | 12662018-01-01 | 12662018-01-01 | 12662024-02-01 | 12662024-02-01 |
| Highest weighted rating | 12662018-01-01 | 12662018-01-01 | 12662019-11-01 | 12662019-11-01 |
| Highest weighted performance | 1264.82018-01-01 | 1264.82018-01-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1223 | 1221.4 | 1266 | 1266 |
| Analysis | ||||
| Rating | 1223 | 1221.4 | 1266 | 1266 |
| Raw rating | 1223 | 1221.4 | 1266 | 1266 |
| Weighted rating | 1223 | 1221.4 | 1266 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 766 | 766 | 766 | 766 |
| Max/Min rating change allowed | 160.5 | 160.8 | 150.9 | 150.9 |
| 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 | 1223 | 1221.4 | 1266 | 1266 |
| New weighted rating | 1223 | 1221.4 | 1266 | 1266 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1223 | 1221.4 | 1266 | 1266 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1223 | 1221.4 | 1266 | 1266 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 766 | 766 | 766 | 766 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 290 | 235 | 55 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Ehlanzeni (MEN) | ||||||||||||||||
| Province | Mpumalanga (MP) | ||||||||||||||||
| 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 | 16 | 4.5 | 28.12 | -185.9 | 1400.3 | 1214.3 |
| Standard | 16 | 4.5 | 28.12 | -185.9 | 1400.3 | 1214.3 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2025-09-30 | 1223 | 1221.4 | 1266 | 1266 |
| 2025-09-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2025-08-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2025-07-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2025-06-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2025-05-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2025-04-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2025-03-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2025-02-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2025-01-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2024-12-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2024-11-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2024-10-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2024-09-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2024-08-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2024-07-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2024-09-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2024-05-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2024-04-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2024-03-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2024-02-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2024-01-01 | 1223 | 1221.4 | 1266 | 1266 |
| 2023-12-01 | 1223 | 1221.4 | 1266 | 1266 |
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 | Ehlanzeni Open 2019 (B) | 2019-07-19 | 2019-07-21 | Standard | Ehlanzeni (MEN) | 5 | 5 | 2 | Yes | Analysis |
| 2 | Malelane Primary 2018 (Open) | 2018-07-21 | 2018-07-21 | Standard | Ehlanzeni (MEN) | 5 | 4 | 1.5 | Yes | Analysis |
| 3 | South African Inter Regional Championships 2017 | 2018-01-09 | 2018-01-12 | Standard | 4 Knights (4K) | 7 | 7 | 1 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentEhlanzeni Open 2019 | TournamentEhlanzeni Open 2019 | ||||||
| date2019-07-21 | rnd4 | typeStandard | result1 | date2019-07-21 | rnd5 | typeStandard | result0.5 | ||
| OpponentDlamini, S (Sincobile) | OpponentOgunjiofor, AJ (Asinobi) | ||||||||
| 2 | 2 | TournamentMalelane Primary 2018 | TournamentMalelane Primary 2018 | ||||||
| date2018-07-21 | rnd4 | typeStandard | result0.5 | date2018-07-21 | rnd5 | typeStandard | result1 | ||
| OpponentSchoeman, T (Tristan) | OpponentMndawe, S (Samkelo) | ||||||||
| 3 | 1 | TournamentEhlanzeni Open 2019 | TournamentEhlanzeni Open 2019 | ||||||
| date2019-07-20 | rnd2 | typeStandard | result0.5 | date2019-07-20 | rnd2 | typeStandard | result0.5 | ||
| OpponentMagongo, M (Martin) | OpponentMagongo, M (Martin) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentEhlanzeni Open 2019 | TournamentEhlanzeni Open 2019 | ||||||
| date2019-07-21 | rnd4 | typeStandard | result1 | date2019-07-21 | rnd5 | typeStandard | result0.5 | ||
| OpponentDlamini, S (Sincobile) | OpponentOgunjiofor, AJ (Asinobi) | ||||||||
| 2 | 2 | TournamentMalelane Primary 2018 | TournamentMalelane Primary 2018 | ||||||
| date2018-07-21 | rnd4 | typeStandard | result0.5 | date2018-07-21 | rnd5 | typeStandard | result1 | ||
| OpponentSchoeman, T (Tristan) | OpponentMndawe, S (Samkelo) | ||||||||
| 3 | 1 | TournamentEhlanzeni Open 2019 | TournamentEhlanzeni Open 2019 | ||||||
| date2019-07-20 | rnd2 | typeStandard | result0.5 | date2019-07-20 | rnd2 | typeStandard | result0.5 | ||
| OpponentMagongo, M (Martin) | OpponentMagongo, M (Martin) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentEhlanzeni Open 2019 | TournamentEhlanzeni Open 2019 | ||||||
| date2019-07-21 | rnd4 | typeStandard | result1 | date2019-07-21 | rnd4 | typeStandard | result1 | ||
| OpponentDlamini, S (Sincobile) | OpponentDlamini, S (Sincobile) | ||||||||
| 2 | 1 | TournamentMalelane Primary 2018 | TournamentMalelane Primary 2018 | ||||||
| date2018-07-21 | rnd5 | typeStandard | result1 | date2018-07-21 | rnd5 | typeStandard | result1 | ||
| OpponentMndawe, S (Samkelo) | OpponentMndawe, S (Samkelo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentEhlanzeni Open 2019 | TournamentEhlanzeni Open 2019 | ||||||
| date2019-07-21 | rnd4 | typeStandard | result1 | date2019-07-21 | rnd4 | typeStandard | result1 | ||
| OpponentDlamini, S (Sincobile) | OpponentDlamini, S (Sincobile) | ||||||||
| 2 | 1 | TournamentMalelane Primary 2018 | TournamentMalelane Primary 2018 | ||||||
| date2018-07-21 | rnd5 | typeStandard | result1 | date2018-07-21 | rnd5 | typeStandard | result1 | ||
| OpponentMndawe, S (Samkelo) | OpponentMndawe, S (Samkelo) | ||||||||
| # | 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 | Oberholzer ,M (Marni) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1613 | 1613 | 1613 | 1613 | 0 | 0 | 0 | 0 | ||||||
| 2 | Zwane ,L (Linda) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1292 | 867 | 1292 | 867 | 0 | 0 | 0 | 0 | ||||||
| 3 | Fakude ,HM (Hopewell Mongezi) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1824.8 | 1399.8 | 1824.8 | 1399.8 | 0 | 0 | 0 | 0 | ||||||
| 4 | Seloana ,RA (Reamogetswe Annitjie) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1197.2 | 1197.2 | 1197.2 | 1197.2 | 0 | 0 | 0 | 0 | ||||||
| 5 | Magongo ,M (Martin) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1200 | 1200 | 1200 | 0 | 0 | 0 | 0 | ||||||
| 6 | Richter ,J-M (Jan-Michael) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1621 | 1196 | 1621 | 1196 | 0 | 0 | 0 | 0 | ||||||
| 7 | Dlamini ,S (Sincobile) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 8 | Mpya ,TM (Tshediso Matome) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1955.6 | 1530.6 | 1955.6 | 1530.6 | 0 | 0 | 0 | 0 | ||||||
| 9 | Mndawe ,S (Samkelo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1261.3 | 1686.3 | 1266 | 1686.3 | 0 | 0 | 0 | 0 | ||||||
| 10 | Yende ,T (Thokozile) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1157.7 | 732.7 | 1135.1 | 732.7 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

