PLAYER PAGE
Personal
Kotzee, J (Juvan)
Chess SA id
1120141044FIDE id
?Date of birth
2012-07-04 (U14)Gender
MaleRegion
Capricorn (LCP)Citizen
RSATitles
Chess SA registered
NoLast active game
2024-05-25Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1490 | 1492.9 | 1234.2 | 1210.8 |
| Raw rating | 1490 | 1492.9 | 1234.2 | 1210.8 |
| Weighted rating | 1487.1 | 1488.6 | 1231 | 1210.8 |
| Weighted performance | 1185 | 1184.8 | 0 | 0 |
| Floor | 1076.3 | 1080 | 734.2 | 710.8 |
| K-factor | 32 | 32 | 36 | 36 |
| Min/Max rating change allowed | 109.7 | 109.3 | 157.9 | 163.3 |
| Highest rating | 1593.62023-10-01 | 1597.42023-10-01 | 1413.42024-05-01 | 1238.22022-12-01 |
| Highest raw rating | 1576.32023-11-01 | 15802023-11-01 | 1234.22024-07-01 | 1210.82024-02-01 |
| Highest weighted rating | 1576.32025-03-01 | 15802025-03-01 | 1227.92025-08-01 | 1210.82025-02-01 |
| Highest weighted performance | 1593.62023-10-01 | 1597.42023-10-01 | 1413.42024-05-01 | 1238.22022-12-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1490 | 1492.9 | 1234.2 | 1210.8 |
| Analysis | ||||
| Rating | 1490 | 1492.9 | 1234.2 | 1210.8 |
| Raw rating | 1490 | 1492.9 | 1234.2 | 1210.8 |
| Weighted rating | 1487.1 | 1488.6 | 1231 | |
| Weighted performance | 1185 | 1184.8 | 0 | |
| K-factor | 32 | 32 | 36 | 36 |
| Floor | 1076.3 | 1080 | 734.2 | 710.8 |
| Max/Min rating change allowed | 109.7 | 109.3 | 157.9 | 163.3 |
| 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 | 1490 | 1492.9 | 1234.2 | 1210.8 |
| New weighted rating | 1487 | 1488.7 | 1231.8 | 1210.8 |
| New weighted performance | 1176.5 | 1176.1 | 0 | 0 |
| Temp new rating | 1490 | 1492.9 | 1234.2 | 1210.8 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1490 | 1492.9 | 1234.2 | 1210.8 |
| New K-factor | 32 | 32 | 36 | 36 |
| New floor | 1076.3 | 1080 | 734.2 | 710.8 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 27 | 23 | 4 | 0 | |
| 25 | 25 | 0 | 0 | |
| 23 | 16 | 0 | 7 | |
| 0 | 0 | 0 | 0 | |
| History | 75 | 64 | 4 | 7 |
| Games since | |||||||||||||||||
| Main32 | Standard28 | Rapid4 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U14 | ||||||||||||||||
| Region | Capricorn (LCP) | ||||||||||||||||
| Province | Limpopo (LP) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 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 | 75 | 55.5 | 74 | 204 | 1267 | 1471 |
| Standard | 64 | 48.5 | 75.78 | 219.1 | 1270.2 | 1489.3 |
| Rapid | 4 | 3 | 75 | 212.5 | 1264.8 | 1477.3 |
| Blitz | 7 | 4 | 57.14 | 60.7 | 1239 | 1299.7 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1490 | 1492.9 | 1234.2 | 1210.8 |
| 2025-09-30 | 1490 | 1492.9 | 1234.2 | 1210.8 |
| 2025-09-01 | 1490 | 1492.9 | 1234.2 | 1210.8 |
| 2025-08-01 | 1490 | 1492.9 | 1234.2 | 1210.8 |
| 2025-07-01 | 1490 | 1492.9 | 1234.2 | 1210.8 |
| 2025-06-01 | 1490 | 1492.9 | 1234.2 | 1210.8 |
| 2025-05-01 | 1490 | 1492.9 | 1234.2 | 1210.8 |
| 2025-04-01 | 1490 | 1492.9 | 1234.2 | 1210.8 |
| 2025-03-01 | 1490 | 1492.9 | 1234.2 | 1210.8 |
| 2025-02-01 | 1489.3 | 1492.5 | 1234.2 | 1210.8 |
| 2025-01-01 | 1479.6 | 1478.7 | 1234.2 | 1210.8 |
| 2024-12-01 | 1479.6 | 1478.7 | 1234.2 | 1210.8 |
| 2024-11-01 | 1479.6 | 1478.7 | 1234.2 | 1210.8 |
| 2024-10-01 | 1479.6 | 1478.7 | 1234.2 | 1210.8 |
| 2024-09-01 | 1479.6 | 1478.7 | 1234.2 | 1210.8 |
| 2024-08-01 | 1479.6 | 1478.7 | 1234.2 | 1210.8 |
| 2024-07-01 | 1479.6 | 1478.7 | 1234.2 | 1210.8 |
| 2024-09-01 | 1479.6 | 1478.7 | 1200 | 1210.8 |
| 2024-05-01 | 1465.8 | 1461.4 | 1200 | 1210.8 |
| 2024-04-01 | 1465.8 | 1461.4 | 1200 | 1210.8 |
| 2024-03-01 | 1511.7 | 1518 | 1200 | 1210.8 |
| 2024-02-01 | 1480.4 | 1478.6 | 1200 | 1210.8 |
| 2024-01-01 | 1562.5 | 1565.6 | 1200 | 1210.8 |
| 2023-12-01 | 1562.5 | 1565.6 | 1200 | 1210.8 |
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 | Capricorn District Primary Schools League Finals 2024 (U13A) | 2024-05-25 | 2024-05-25 | Rapid | Capricorn (LCP) | 5 | 4 | 3 | Yes | Analysis |
| 2 | Capricorn Junior Qualifying 4 2024 (U14) | 2024-05-04 | 2024-05-04 | Standard | Capricorn (LCP) | 5 | 5 | 4 | Yes | Analysis |
| 3 | Capricorn District Junior Qualifying 3 2024 (U14) | 2024-03-09 | 2024-03-09 | Standard | Capricorn (LCP) | 5 | 5 | 4 | Yes | Analysis |
| 4 | Capricorn Open Chess Championship 2024 (A) | 2024-03-02 | 2024-03-02 | Standard | Capricorn (LCP) | 5 | 3 | 1 | Yes | Analysis |
| 5 | Capricorn District Chess Junior Qualifying Tournament 2024 (U14) | 2024-02-03 | 2024-02-03 | Standard | Capricorn (LCP) | 5 | 5 | 5 | Yes | Analysis |
| 6 | 2024 Gauteng Inter-Region Chess Championship (U12A) | 2024-01-13 | 2024-01-14 | Standard | Tshwane (GTP) | 5 | 5 | 0 | Yes | Analysis |
| 7 | 2023 Capricorn District Junior Final Trials (U12 Boys (Group 1) | 2023-11-11 | 2023-11-11 | Standard | Capricorn (LCP) | 6 | 5 | 3 | Yes | Analysis |
| 8 | Capricorn District Chess Qualifying Tournament 2023 (U12) | 2023-10-28 | 2023-10-28 | Standard | Capricorn (LCP) | 5 | 5 | 5 | Yes | Analysis |
| 9 | Capricorn District Chess Qualifying Tournament 2023 (U12) | 2023-10-28 | 2023-10-28 | Standard | Capricorn (LCP) | 5 | 5 | 5 | Yes | Analysis |
| 10 | Capricorn Qualifying March 2023 (U12) | 2023-03-11 | 2023-03-11 | Standard | Capricorn (LCP) | 5 | 5 | 5 | Yes | Analysis |
| 11 | Capricorn Qualifying February 4th 2023 (U12) | 2023-02-04 | 2023-02-04 | Standard | Capricorn (LCP) | 5 | 5 | 5 | Yes | Analysis |
| 12 | 2022 South African Junior Team Chess Championships (U12 Open) | 2022-12-04 | 2022-12-08 | Standard | 4 Knights (4K) | 7 | 6 | 4 | Yes | Analysis |
| 13 | 2022 South Africa Junior Blitz Chess Championships (U12) | 2022-12-05 | 2022-12-05 | Blitz | 4 Knights (4K) | 7 | 7 | 4 | Yes | Analysis |
| 14 | Capricorn Qualifying August 2022 (U12) | 2022-08-27 | 2022-08-27 | Standard | Capricorn (LCP) | 5 | 5 | 4 | Yes | Analysis |
| 15 | Capricorn Qualifying May 2022 (U12) | 2022-05-21 | 2022-05-21 | Standard | Capricorn (LCP) | 5 | 5 | 3.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 23 | Tournament2022 South African Junior Team Chess Championships | Tournament2023 Capricorn District Junior Final Trials | ||||||
| date2022-12-07 | rnd6 | typeStandard | result1 | date2023-11-11 | rnd1 | typeStandard | result1 | ||
| OpponentKrimm, K (Kaelan) | OpponentZitha, VI (Vun`we) | ||||||||
| 2 | 7 | TournamentCapricorn District Junior Qualifying 3 2024 | TournamentCapricorn Junior Qualifying 4 2024 | ||||||
| date2024-03-09 | rnd2 | typeStandard | result1 | date2024-05-04 | rnd3 | typeStandard | result1 | ||
| OpponentMagolela, B (Boitumelo) | OpponentBergh, M (Martin) | ||||||||
| 3 | 5 | TournamentCapricorn District Chess Junior Qualifying Tournament 2024 | TournamentCapricorn District Chess Junior Qualifying Tournament 2024 | ||||||
| date2024-02-03 | rnd1 | typeStandard | result1 | date2024-02-03 | rnd5 | typeStandard | result1 | ||
| OpponentVan Der Merwe, M (Monica) | OpponentMokwele, R (Ray) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 23 | Tournament2022 South African Junior Team Chess Championships | Tournament2023 Capricorn District Junior Final Trials | ||||||
| date2022-12-07 | rnd6 | typeStandard | result1 | date2023-11-11 | rnd1 | typeStandard | result1 | ||
| OpponentKrimm, K (Kaelan) | OpponentZitha, VI (Vun`we) | ||||||||
| 2 | 7 | TournamentCapricorn District Junior Qualifying 3 2024 | TournamentCapricorn Junior Qualifying 4 2024 | ||||||
| date2024-03-09 | rnd2 | typeStandard | result1 | date2024-05-04 | rnd3 | typeStandard | result1 | ||
| OpponentMagolela, B (Boitumelo) | OpponentBergh, M (Martin) | ||||||||
| 3 | 5 | TournamentCapricorn District Chess Junior Qualifying Tournament 2024 | TournamentCapricorn District Chess Junior Qualifying Tournament 2024 | ||||||
| date2024-02-03 | rnd1 | typeStandard | result1 | date2024-02-03 | rnd5 | typeStandard | result1 | ||
| OpponentVan Der Merwe, M (Monica) | OpponentMokwele, R (Ray) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentCapricorn District Primary Schools League Finals 2024 | TournamentCapricorn District Primary Schools League Finals 2024 | ||||||
| date2024-05-25 | rnd2 | typeRapid | result1 | date2024-05-25 | rnd4 | typeRapid | result1 | ||
| OpponentMoloto, S (Sebala) | OpponentLepheana, B (Bokamoso) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2022 South Africa Junior Blitz Chess Championships | Tournament2022 South Africa Junior Blitz Chess Championships | ||||||
| date2022-12-05 | rnd3 | typeBlitz | result1 | date2022-12-05 | rnd5 | typeBlitz | result1 | ||
| OpponentLabuschagne, E (Edrich) | OpponentVarghese, A (Alan) | ||||||||
| 2 | 1 | Tournament2022 South Africa Junior Blitz Chess Championships | Tournament2022 South Africa Junior Blitz Chess Championships | ||||||
| date2022-12-05 | rnd7 | typeBlitz | result1 | date2022-12-05 | rnd7 | typeBlitz | result1 | ||
| OpponentSmith, E (Euan) | OpponentSmith, E (Euan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 23 | Tournament2022 South African Junior Team Chess Championships | Tournament2023 Capricorn District Junior Final Trials | ||||||
| date2022-12-07 | rnd6 | typeStandard | result1 | date2023-11-11 | rnd1 | typeStandard | result1 | ||
| OpponentKrimm, K (Kaelan) | OpponentZitha, VI (Vun`we) | ||||||||
| 2 | 7 | TournamentCapricorn District Junior Qualifying 3 2024 | TournamentCapricorn Junior Qualifying 4 2024 | ||||||
| date2024-03-09 | rnd2 | typeStandard | result1 | date2024-05-04 | rnd3 | typeStandard | result1 | ||
| OpponentMagolela, B (Boitumelo) | OpponentBergh, M (Martin) | ||||||||
| 3 | 5 | TournamentCapricorn District Chess Junior Qualifying Tournament 2024 | TournamentCapricorn District Chess Junior Qualifying Tournament 2024 | ||||||
| date2024-02-03 | rnd1 | typeStandard | result1 | date2024-02-03 | rnd5 | typeStandard | result1 | ||
| OpponentVan Der Merwe, M (Monica) | OpponentMokwele, R (Ray) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 23 | Tournament2022 South African Junior Team Chess Championships | Tournament2023 Capricorn District Junior Final Trials | ||||||
| date2022-12-07 | rnd6 | typeStandard | result1 | date2023-11-11 | rnd1 | typeStandard | result1 | ||
| OpponentKrimm, K (Kaelan) | OpponentZitha, VI (Vun`we) | ||||||||
| 2 | 7 | TournamentCapricorn District Junior Qualifying 3 2024 | TournamentCapricorn Junior Qualifying 4 2024 | ||||||
| date2024-03-09 | rnd2 | typeStandard | result1 | date2024-05-04 | rnd3 | typeStandard | result1 | ||
| OpponentMagolela, B (Boitumelo) | OpponentBergh, M (Martin) | ||||||||
| 3 | 5 | TournamentCapricorn District Chess Junior Qualifying Tournament 2024 | TournamentCapricorn District Chess Junior Qualifying Tournament 2024 | ||||||
| date2024-02-03 | rnd1 | typeStandard | result1 | date2024-02-03 | rnd5 | typeStandard | result1 | ||
| OpponentVan Der Merwe, M (Monica) | OpponentMokwele, R (Ray) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentCapricorn District Primary Schools League Finals 2024 | TournamentCapricorn District Primary Schools League Finals 2024 | ||||||
| date2024-05-25 | rnd2 | typeRapid | result1 | date2024-05-25 | rnd4 | typeRapid | result1 | ||
| OpponentMoloto, S (Sebala) | OpponentLepheana, B (Bokamoso) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2022 South Africa Junior Blitz Chess Championships | Tournament2022 South Africa Junior Blitz Chess Championships | ||||||
| date2022-12-05 | rnd3 | typeBlitz | result1 | date2022-12-05 | rnd5 | typeBlitz | result1 | ||
| OpponentLabuschagne, E (Edrich) | OpponentVarghese, A (Alan) | ||||||||
| 2 | 1 | Tournament2022 South Africa Junior Blitz Chess Championships | Tournament2022 South Africa Junior Blitz Chess Championships | ||||||
| date2022-12-05 | rnd7 | typeBlitz | result1 | date2022-12-05 | rnd7 | typeBlitz | result1 | ||
| OpponentSmith, E (Euan) | OpponentSmith, E (Euan) | ||||||||
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 | Motsifane ,L (Lesedi) | 4 | 4 | 425 | 4 | 4 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1310.8 | 1735.8 | 1321.4 | 1735.8 | 0 | 0 | 0 | 0 | ||||||
| 2 | Mamadi ,A (Alpha) | 3 | 3 | 425 | 3 | 3 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1215.1 | 1640.1 | 1218.9 | 1640.1 | 0 | 0 | 0 | 0 | ||||||
| 3 | Tebeila ,L (Leago) | 3 | 2 | 141.7 | 3 | 2 | 141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1375.7 | 1517.3 | 1399 | 1517.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Thobejane ,D (Dimpho) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1223.3 | 1648.3 | 1229.2 | 1648.3 | 0 | 0 | 0 | 0 | ||||||
| 5 | Malebati ,B (Bentley) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1198.7 | 1623.7 | 1198.4 | 1623.7 | 0 | 0 | 0 | 0 | ||||||
| 6 | Verreynne ,K (Kobus) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1291.4 | 1716.4 | 1294.1 | 1716.4 | 0 | 0 | 0 | 0 | ||||||
| 7 | Ras ,H (Henre) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1217.2 | 1642.2 | 1219.7 | 1642.2 | 0 | 0 | 0 | 0 | ||||||
| 8 | Malema ,T (Thabile) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1276.1 | 851.1 | 1272.2 | 851.1 | 0 | 0 | 0 | 0 | ||||||
| 9 | Kgafane ,S (Shadi) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 10 | Moloto ,S (Sebala) | 2 | 2 | 425 | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1301.8 | 1726.8 | 1193.6 | 1726.8 | 1258.3 | 1726.8 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

