PLAYER PAGE
Personal
Lubbe, J (Juan)
Chess SA id
1100144419FIDE id
?Date of birth
2010-03-11 (U18)Gender
MaleRegion
Ekurhuleni (GE)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-08-18Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1243.2 | 1247.3 | 1200 | 1200 |
| Raw rating | 1243.2 | 1247.3 | 1200 | 1200 |
| Weighted rating | 1243.2 | 1247.3 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 743.2 | 747.3 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 155.9 | 155 | 165.8 | 165.8 |
| Highest rating | 1326.42023-08-01 | 1319.92023-08-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1243.22024-02-01 | 1247.32024-02-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1243.22025-07-01 | 1247.32025-07-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1326.42023-08-01 | 1319.92023-08-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1243.2 | 1247.3 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1243.2 | 1247.3 | 1200 | 1200 |
| Raw rating | 1243.2 | 1247.3 | 1200 | 1200 |
| Weighted rating | 1243.2 | 1247.3 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 743.2 | 747.3 | 700 | 700 |
| Max/Min rating change allowed | 155.9 | 155 | 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 | 1243.2 | 1247.3 | 1200 | 1200 |
| New weighted rating | 1243.2 | 1247.3 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1243.2 | 1247.3 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1243.2 | 1247.3 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 743.2 | 747.3 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 8 | 8 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 13 | 13 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U16 | ||||||||||||||||
| Region | Ekurhuleni (GE) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 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 | 13 | 8 | 61.54 | 98.1 | 1190.2 | 1288.3 |
| Standard | 13 | 8 | 61.54 | 98.1 | 1190.2 | 1288.3 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2026-01-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2025-11-30 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2025-11-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2025-09-30 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2025-09-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2025-08-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2025-07-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2025-06-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2025-05-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2025-04-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2025-03-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2025-02-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2025-01-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2024-12-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2024-11-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2024-10-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2024-09-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2024-11-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2024-07-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2024-06-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2024-05-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2024-04-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2024-03-01 | 1243.2 | 1247.3 | 1200 | 1200 |
| 2024-02-01 | 1243.2 | 1247.3 | 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 | 2023 Gauteng Top Schools (U13 Mixed) | 2023-08-18 | 2023-08-18 | Standard | West Rand (GWR) | 5 | 5 | 4 | Yes | Analysis |
| 2 | 2023 Ekurhuleni North District Schools Finals (U13) | 2023-07-29 | 2023-07-29 | Standard | Ekurhuleni (GE) | 5 | 3 | 2 | Yes | Analysis |
| 3 | Ekurhuleni-North Schools Teams 2022 (U13) | 2022-08-06 | 2022-08-06 | Standard | Ekurhuleni (GE) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2023 Gauteng Top Schools | Tournament2023 Gauteng Top Schools | ||||||
| date2023-08-18 | rnd3 | typeStandard | result1 | date2023-08-18 | rnd5 | typeStandard | result1 | ||
| OpponentNolte, C (Carli) | OpponentYousafzai, S (Sangin Khan) | ||||||||
| 2 | 2 | Tournament2023 Ekurhuleni North District Schools Finals | Tournament2023 Ekurhuleni North District Schools Finals | ||||||
| date2023-07-29 | rnd1 | typeStandard | result1 | date2023-07-29 | rnd2 | typeStandard | result1 | ||
| OpponentEls, E (Erik) | OpponentVan Der Westhuizen, C (Christiaan) | ||||||||
| 3 | 2 | TournamentEkurhuleni-North Schools Teams 2022 | TournamentEkurhuleni-North Schools Teams 2022 | ||||||
| date2022-08-06 | rnd3 | typeStandard | result1 | date2022-08-06 | rnd4 | typeStandard | result1 | ||
| OpponentShabangu, S (Simphiwe) | OpponentDe Lange, N (Nadia) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2023 Gauteng Top Schools | Tournament2023 Gauteng Top Schools | ||||||
| date2023-08-18 | rnd3 | typeStandard | result1 | date2023-08-18 | rnd5 | typeStandard | result1 | ||
| OpponentNolte, C (Carli) | OpponentYousafzai, S (Sangin Khan) | ||||||||
| 2 | 2 | Tournament2023 Ekurhuleni North District Schools Finals | Tournament2023 Ekurhuleni North District Schools Finals | ||||||
| date2023-07-29 | rnd1 | typeStandard | result1 | date2023-07-29 | rnd2 | typeStandard | result1 | ||
| OpponentEls, E (Erik) | OpponentVan Der Westhuizen, C (Christiaan) | ||||||||
| 3 | 2 | TournamentEkurhuleni-North Schools Teams 2022 | TournamentEkurhuleni-North Schools Teams 2022 | ||||||
| date2022-08-06 | rnd3 | typeStandard | result1 | date2022-08-06 | rnd4 | typeStandard | result1 | ||
| OpponentShabangu, S (Simphiwe) | OpponentDe Lange, N (Nadia) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2023 Gauteng Top Schools | Tournament2023 Gauteng Top Schools | ||||||
| date2023-08-18 | rnd3 | typeStandard | result1 | date2023-08-18 | rnd5 | typeStandard | result1 | ||
| OpponentNolte, C (Carli) | OpponentYousafzai, S (Sangin Khan) | ||||||||
| 2 | 2 | Tournament2023 Ekurhuleni North District Schools Finals | Tournament2023 Ekurhuleni North District Schools Finals | ||||||
| date2023-07-29 | rnd1 | typeStandard | result1 | date2023-07-29 | rnd2 | typeStandard | result1 | ||
| OpponentEls, E (Erik) | OpponentVan Der Westhuizen, C (Christiaan) | ||||||||
| 3 | 2 | TournamentEkurhuleni-North Schools Teams 2022 | TournamentEkurhuleni-North Schools Teams 2022 | ||||||
| date2022-08-06 | rnd3 | typeStandard | result1 | date2022-08-06 | rnd4 | typeStandard | result1 | ||
| OpponentShabangu, S (Simphiwe) | OpponentDe Lange, N (Nadia) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2023 Gauteng Top Schools | Tournament2023 Gauteng Top Schools | ||||||
| date2023-08-18 | rnd3 | typeStandard | result1 | date2023-08-18 | rnd5 | typeStandard | result1 | ||
| OpponentNolte, C (Carli) | OpponentYousafzai, S (Sangin Khan) | ||||||||
| 2 | 2 | Tournament2023 Ekurhuleni North District Schools Finals | Tournament2023 Ekurhuleni North District Schools Finals | ||||||
| date2023-07-29 | rnd1 | typeStandard | result1 | date2023-07-29 | rnd2 | typeStandard | result1 | ||
| OpponentEls, E (Erik) | OpponentVan Der Westhuizen, C (Christiaan) | ||||||||
| 3 | 2 | TournamentEkurhuleni-North Schools Teams 2022 | TournamentEkurhuleni-North Schools Teams 2022 | ||||||
| date2022-08-06 | rnd3 | typeStandard | result1 | date2022-08-06 | rnd4 | typeStandard | result1 | ||
| OpponentShabangu, S (Simphiwe) | OpponentDe Lange, N (Nadia) | ||||||||
| # | 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 | De Ascenao ,I (Isabella) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1185.1 | 1610.1 | 1181.6 | 1610.1 | 0 | 0 | 0 | 0 | ||||||
| 2 | Oberholzer ,T (Troy) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1184.5 | 759.5 | 1179.8 | 759.5 | 0 | 0 | 0 | 0 | ||||||
| 3 | De Graaff ,R (Ruben) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1196.6 | 771.6 | 1187.5 | 771.6 | 0 | 0 | 0 | 0 | ||||||
| 4 | Yousafzai ,S (Sangin Khan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1173.1 | 1598.1 | 1167.2 | 1598.1 | 0 | 0 | 0 | 0 | ||||||
| 5 | Manana ,M (Musa) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1206 | 781 | 1140.8 | 781 | 0 | 0 | 0 | 0 | ||||||
| 6 | De Lange ,N (Nadia) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1103 | 1528 | 1080.6 | 1528 | 0 | 0 | 0 | 0 | ||||||
| 7 | Shabangu ,S (Simphiwe) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1152.2 | 1577.2 | 1142 | 1577.2 | 0 | 0 | 0 | 0 | ||||||
| 8 | Ramohlohla ,L (Lerato Motaso) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1370.2 | 945.2 | 1364.6 | 945.2 | 0 | 0 | 0 | 0 | ||||||
| 9 | Van Der Westhuizen ,C (Christiaan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 10 | Fritz ,L (Lucy) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1228 | 803 | 1233.6 | 803 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

