PLAYER PAGE
Personal
Luiz, J (Juan)
Chess SA id
1070152523FIDE id
?Date of birth
2007-07-26 (U20)Gender
MaleRegion
West Rand (GWR)Citizen
RSATitles
Chess SA registered
NoLast active game
2024-07-20Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1219.9 | 1227.2 | 1200 | 1200 |
| Raw rating | 1219.9 | 1227.2 | 1200 | 1200 |
| Weighted rating | 1213.4 | 1219.1 | 1200 | 1200 |
| Weighted performance | 1000 | 1001.6 | 0 | 0 |
| Floor | 719.9 | 727.2 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 161.2 | 159.5 | 165.8 | 165.8 |
| Highest rating | 1219.92024-08-01 | 1227.22024-08-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1219.92024-08-01 | 1227.22024-08-01 | 12002024-03-01 | 12002024-03-01 |
| Highest weighted rating | 1219.92018-10-01 | 1227.22018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002019-12-01 | 12002019-12-01 | 12002024-03-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1219.9 | 1227.2 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1219.9 | 1227.2 | 1200 | 1200 |
| Raw rating | 1219.9 | 1227.2 | 1200 | 1200 |
| Weighted rating | 1213.4 | 1219.1 | 1200 | |
| Weighted performance | 1000 | 1001.6 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 719.9 | 727.2 | 700 | 700 |
| Max/Min rating change allowed | 161.2 | 159.5 | 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 | 1219.9 | 1227.2 | 1200 | 1200 |
| New weighted rating | 1214.7 | 1220.7 | 1200 | 1200 |
| New weighted performance | 998.7 | 1000.3 | 0 | 0 |
| Temp new rating | 1219.9 | 1227.2 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1219.9 | 1227.2 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 719.9 | 727.2 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 9 | 9 | 0 | 0 | |
| 15 | 15 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 24 | 24 | 0 | 0 |
| Games since | |||||||||||||||||
| Main9 | Standard9 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U20 | ||||||||||||||||
| Region | West Rand (GWR) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 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 | 24 | 11 | 45.83 | -35.4 | 1244.4 | 1208.9 |
| Standard | 24 | 11 | 45.83 | -35.4 | 1244.4 | 1208.9 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1219.9 | 1227.2 | 1200 | 1200 |
| 2025-09-01 | 1219.9 | 1227.2 | 1200 | 1200 |
| 2025-08-01 | 1219.9 | 1227.2 | 1200 | 1200 |
| 2025-07-01 | 1219.9 | 1227.2 | 1200 | 1200 |
| 2025-06-01 | 1219.9 | 1227.2 | 1200 | 1200 |
| 2025-05-01 | 1219.9 | 1227.2 | 1200 | 1200 |
| 2025-04-01 | 1219.9 | 1227.2 | 1200 | 1200 |
| 2025-03-01 | 1219.9 | 1227.2 | 1200 | 1200 |
| 2025-02-01 | 1219.9 | 1227.2 | 1200 | 1200 |
| 2025-01-01 | 1219.9 | 1227.2 | 1200 | 1200 |
| 2024-12-01 | 1219.9 | 1227.2 | 1200 | 1200 |
| 2024-11-01 | 1219.9 | 1227.2 | 1200 | 1200 |
| 2024-10-01 | 1219.9 | 1227.2 | 1200 | 1200 |
| 2024-09-01 | 1219.9 | 1227.2 | 1200 | 1200 |
| 2024-08-01 | 1219.9 | 1227.2 | 1200 | 1200 |
| 2024-07-01 | 1180.4 | 1177.2 | 1200 | 1200 |
| 2024-06-01 | 1180.4 | 1177.2 | 1200 | 1200 |
| 2024-08-01 | 1174.1 | 1170.4 | 1200 | 1200 |
| 2024-04-01 | 1174.1 | 1170.4 | 1200 | 1200 |
| 2024-03-01 | 1174.1 | 1170.4 | 1200 | 1200 |
| 2024-02-01 | 1174.1 | 1170.4 | 1200 | 1200 |
| 2024-01-01 | 1174.1 | 1170.4 | 1200 | 1200 |
| 2023-12-01 | 1174.1 | 1170.4 | 1200 | 1200 |
| 2023-11-01 | 1174.1 | 1170.4 | 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 2024 (U17) | 2024-07-20 | 2024-07-20 | Standard | West Rand (GWR) | 5 | 4 | 3 | Yes | Analysis |
| 2 | 2024 D2 Schools Individuals (U18 Boys) | 2024-05-04 | 2024-05-04 | Standard | West Rand (GWR) | 5 | 5 | 2 | Yes | Analysis |
| 3 | D2 School League Finals 2023 (U19) | 2023-07-22 | 2023-07-22 | Standard | West Rand (GWR) | 5 | 5 | 2 | Yes | Analysis |
| 4 | D2 Schools Individuals 2023 (U18 Boys) | 2023-05-13 | 2023-05-13 | Standard | West Rand (GWR) | 5 | 5 | 2 | Yes | Analysis |
| 5 | West Rand Juniors 2023 (U18) | 2023-03-18 | 2023-03-18 | Standard | West Rand (GWR) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2024 D2 Schools Individuals | TournamentD2 School League Finals 2024 | ||||||
| date2024-05-04 | rnd5 | typeStandard | result1 | date2024-07-20 | rnd2 | typeStandard | result1 | ||
| OpponentMabhena, S (Sibusiso) | OpponentNyirenda, L (Letlotlo Kumbo) | ||||||||
| 2 | 1 | TournamentD2 School League Finals 2024 | TournamentD2 School League Finals 2024 | ||||||
| date2024-07-20 | rnd5 | typeStandard | result1 | date2024-07-20 | rnd5 | typeStandard | result1 | ||
| OpponentMokhoantle, H (Hlohonolofatso) | OpponentMokhoantle, H (Hlohonolofatso) | ||||||||
| 3 | 1 | Tournament2024 D2 Schools Individuals | Tournament2024 D2 Schools Individuals | ||||||
| date2024-05-04 | rnd3 | typeStandard | result1 | date2024-05-04 | rnd3 | typeStandard | result1 | ||
| OpponentMthethwa, L (Lungisani) | OpponentMthethwa, L (Lungisani) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2024 D2 Schools Individuals | TournamentD2 School League Finals 2024 | ||||||
| date2024-05-04 | rnd5 | typeStandard | result1 | date2024-07-20 | rnd2 | typeStandard | result1 | ||
| OpponentMabhena, S (Sibusiso) | OpponentNyirenda, L (Letlotlo Kumbo) | ||||||||
| 2 | 1 | TournamentD2 School League Finals 2024 | TournamentD2 School League Finals 2024 | ||||||
| date2024-07-20 | rnd5 | typeStandard | result1 | date2024-07-20 | rnd5 | typeStandard | result1 | ||
| OpponentMokhoantle, H (Hlohonolofatso) | OpponentMokhoantle, H (Hlohonolofatso) | ||||||||
| 3 | 1 | Tournament2024 D2 Schools Individuals | Tournament2024 D2 Schools Individuals | ||||||
| date2024-05-04 | rnd3 | typeStandard | result1 | date2024-05-04 | rnd3 | typeStandard | result1 | ||
| OpponentMthethwa, L (Lungisani) | OpponentMthethwa, L (Lungisani) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2024 D2 Schools Individuals | TournamentD2 School League Finals 2024 | ||||||
| date2024-05-04 | rnd5 | typeStandard | result1 | date2024-07-20 | rnd2 | typeStandard | result1 | ||
| OpponentMabhena, S (Sibusiso) | OpponentNyirenda, L (Letlotlo Kumbo) | ||||||||
| 2 | 1 | TournamentD2 School League Finals 2024 | TournamentD2 School League Finals 2024 | ||||||
| date2024-07-20 | rnd5 | typeStandard | result1 | date2024-07-20 | rnd5 | typeStandard | result1 | ||
| OpponentMokhoantle, H (Hlohonolofatso) | OpponentMokhoantle, H (Hlohonolofatso) | ||||||||
| 3 | 1 | Tournament2024 D2 Schools Individuals | Tournament2024 D2 Schools Individuals | ||||||
| date2024-05-04 | rnd3 | typeStandard | result1 | date2024-05-04 | rnd3 | typeStandard | result1 | ||
| OpponentMthethwa, L (Lungisani) | OpponentMthethwa, L (Lungisani) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2024 D2 Schools Individuals | TournamentD2 School League Finals 2024 | ||||||
| date2024-05-04 | rnd5 | typeStandard | result1 | date2024-07-20 | rnd2 | typeStandard | result1 | ||
| OpponentMabhena, S (Sibusiso) | OpponentNyirenda, L (Letlotlo Kumbo) | ||||||||
| 2 | 1 | TournamentD2 School League Finals 2024 | TournamentD2 School League Finals 2024 | ||||||
| date2024-07-20 | rnd5 | typeStandard | result1 | date2024-07-20 | rnd5 | typeStandard | result1 | ||
| OpponentMokhoantle, H (Hlohonolofatso) | OpponentMokhoantle, H (Hlohonolofatso) | ||||||||
| 3 | 1 | Tournament2024 D2 Schools Individuals | Tournament2024 D2 Schools Individuals | ||||||
| date2024-05-04 | rnd3 | typeStandard | result1 | date2024-05-04 | rnd3 | typeStandard | result1 | ||
| OpponentMthethwa, L (Lungisani) | OpponentMthethwa, L (Lungisani) | ||||||||
| # | 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 | Nyirenda ,L (Letlotlo Kumbo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1226.9 | 1651.9 | 1228.1 | 1651.9 | 0 | 0 | 0 | 0 | ||||||
| 2 | Visi ,M (Moloko) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1429.7 | 1004.7 | 1422.8 | 1004.7 | 0 | 0 | 0 | 0 | ||||||
| 3 | Van Den Heever ,N (Natasha) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1198 | 1623 | 1195.6 | 1623 | 0 | 0 | 0 | 0 | ||||||
| 4 | Smit ,F (Francois) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 5 | Morobe ,N (Nhlakanipho Thato) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1288.7 | 863.7 | 1306.4 | 863.7 | 0 | 0 | 0 | 0 | ||||||
| 6 | Ngobeni ,N (Ntumbuluko) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1315.4 | 890.4 | 1299.5 | 890.4 | 0 | 0 | 0 | 0 | ||||||
| 7 | Mutsambwa ,T (Trevor) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1490.5 | 1065.5 | 1485.5 | 1065.5 | 0 | 0 | 0 | 0 | ||||||
| 8 | Mthethwa ,L (Lungisani) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 9 | Golden ,B (Bokamoso) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1280.4 | 855.4 | 1278.1 | 855.4 | 0 | 0 | 0 | 0 | ||||||
| 10 | Tau ,K (Kamohelo) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1405.5 | 980.5 | 1406.1 | 980.5 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|