PLAYER PAGE
Personal
Van Biljon, J (Jessica)
Chess SA id
210082952FIDE id
?Date of birth
2010-03-30 (U16)Gender
FemaleRegion
Sedibeng (GSV)Citizen
RSATitles
Chess SA registered
NoLast active game
2024-10-05Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1135.1 | 1161.6 | 500 | 500 |
| Raw rating | 1135.1 | 1161.6 | 500 | 500 |
| Weighted rating | 1129.9 | 1156.9 | 500 | 500 |
| Weighted performance | 784.4 | 829.9 | 0 | 0 |
| Floor | 819.3 | 810.9 | 500 | 500 |
| K-factor | 36 | 36 | 40 | 40 |
| Min/Max rating change allowed | 181.9 | 175.1 | 449.5 | 449.5 |
| Highest rating | 1333.42019-08-01 | 1324.92019-08-01 | 12002019-12-01 | 12002024-03-01 |
| Highest raw rating | 1319.32019-09-01 | 1310.92019-09-01 | 5002024-03-01 | 5002024-03-01 |
| Highest weighted rating | 1319.32021-07-01 | 1310.92021-06-01 | 5002024-11-01 | 5002024-11-01 |
| Highest weighted performance | 1333.42019-08-01 | 1324.92019-08-01 | 12002019-12-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1135.1 | 1161.6 | 500 | 500 |
| Analysis | ||||
| Rating | 1135.1 | 1161.6 | 500 | 500 |
| Raw rating | 1135.1 | 1161.6 | 500 | 500 |
| Weighted rating | 1129.9 | 1156.9 | 500 | |
| Weighted performance | 784.4 | 829.9 | 0 | |
| K-factor | 36 | 36 | 40 | 40 |
| Floor | 819.3 | 810.9 | 500 | 500 |
| Max/Min rating change allowed | 181.9 | 175.1 | 449.5 | 449.5 |
| 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 | 1135.1 | 1161.6 | 500 | 500 |
| New weighted rating | 1130.2 | 1157.1 | 500 | 500 |
| New weighted performance | 778.4 | 823.4 | 0 | 0 |
| Temp new rating | 1135.1 | 1161.6 | 500 | 500 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1135.1 | 1161.6 | 500 | 500 |
| New K-factor | 36 | 36 | 40 | 40 |
| New floor | 819.3 | 810.9 | 500 | 500 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 12 | 11 | 1 | 0 | |
| 9 | 5 | 4 | 0 | |
| 25 | 25 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 239 | 234 | 5 | 0 |
| Games since | |||||||||||||||||
| Main12 | Standard11 | Rapid1 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | U16 | ||||||||||||||||
| Region | Sedibeng (GSV) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Female | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Female | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Female | -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 | 180 | 80 | 44.44 | -47.2 | 1070.7 | 1023.5 |
| Standard | 175 | 80 | 45.71 | -36.4 | 1067.4 | 1031 |
| Rapid | 5 | 0 | 0 | -425 | 1184.4 | 759.4 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1135.1 | 1161.6 | 500 | 500 |
| 2025-09-30 | 1135.1 | 1161.6 | 500 | 500 |
| 2025-09-01 | 1135.1 | 1161.6 | 500 | 500 |
| 2025-08-01 | 1135.1 | 1161.6 | 500 | 500 |
| 2025-07-01 | 1135.1 | 1161.6 | 500 | 500 |
| 2025-06-01 | 1135.1 | 1161.6 | 500 | 500 |
| 2025-05-01 | 1135.1 | 1161.6 | 500 | 500 |
| 2025-04-01 | 1135.1 | 1161.6 | 500 | 500 |
| 2025-03-01 | 1135.1 | 1161.6 | 500 | 500 |
| 2025-02-01 | 1134.6 | 1161 | 500 | 500 |
| 2025-01-01 | 1107.7 | 1137.7 | 500 | 500 |
| 2024-12-01 | 1107.7 | 1137.7 | 500 | 500 |
| 2024-11-01 | 1107.7 | 1137.7 | 500 | 500 |
| 2024-10-01 | 1118.6 | 1137.7 | 500 | 500 |
| 2024-09-01 | 1116.5 | 1138.4 | 500 | 500 |
| 2024-08-01 | 1130.2 | 1158.9 | 500 | 500 |
| 2024-07-01 | 1130.2 | 1158.9 | 500 | 500 |
| 2024-09-01 | 1130.2 | 1158.9 | 500 | 500 |
| 2024-05-01 | 1130.2 | 1158.9 | 500 | 500 |
| 2024-04-01 | 1130.2 | 1158.9 | 500 | 500 |
| 2024-03-01 | 1130.2 | 1158.9 | 500 | 500 |
| 2024-02-01 | 1130.2 | 1158.9 | 500 | 500 |
| 2024-01-01 | 1169.8 | 1210.7 | 500 | 500 |
| 2023-12-01 | 1169.8 | 1210.7 | 500 | 500 |
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 | Gauteng Top Schools 2024 (U19 Girls) | 2024-10-05 | 2024-10-05 | Rapid | Ekurhuleni (GE) | 5 | 1 | 0 | Yes | Analysis |
| 2 | Gauteng Schools Individuals Finals 2024 (U15 Girls) | 2024-08-17 | 2024-08-17 | Standard | Ekurhuleni (GE) | 5 | 4 | 1 | Yes | Analysis |
| 3 | Sedibeng East D7 Teams Trials 2024 (U19) | 2024-08-03 | 2024-08-03 | Standard | Sedibeng (GSV) | 5 | 3 | 1 | Yes | Analysis |
| 4 | 2024 Gauteng Inter-Region Chess Championship (U14 Girls) | 2024-01-13 | 2024-01-14 | Standard | Tshwane (GTP) | 5 | 4 | 0 | Yes | Analysis |
| 5 | Dr Pieter Hangelbroek Rapid 2023 (B) | 2023-10-28 | 2023-10-28 | Rapid | Sedibeng (GSV) | 5 | 4 | 0 | Yes | Analysis |
| 6 | Gauteng Schools D7 2023 (U13 Girls) | 2023-05-20 | 2023-05-20 | Standard | Sedibeng (GSV) | 5 | 5 | 3 | Yes | Analysis |
| 7 | Overvaal Open 2022 (D) | 2022-08-06 | 2022-08-06 | Standard | Sedibeng (GSV) | 5 | 5 | 3 | Yes | Analysis |
| 8 | D7 Teams 2022 (U13 Mixed+Girls) | 2022-08-13 | 2022-08-13 | Standard | Sedibeng (GSV) | 5 | 5 | 2 | Yes | Analysis |
| 9 | Gaueng Schools D7 2022 (U13 Girls) | 2022-06-04 | 2022-06-04 | Standard | Sedibeng (GSV) | 5 | 5 | 3 | Yes | Analysis |
| 10 | 2022 Gauteng Schools Individual Chess Championship (U13 Girls) | 2022-06-18 | 2022-06-18 | Standard | Ekurhuleni (GE) | 5 | 5 | 2 | Yes | Analysis |
| 11 | Drie Riviere Open 2022 (D) | 2022-02-18 | 2022-02-18 | Standard | Sedibeng (GSV) | 5 | 5 | 1.5 | Yes | Analysis |
| 12 | Hoerskool Drie Riviere 2020 (D) | 2020-03-07 | 2020-03-07 | Standard | Sedibeng (GSV) | 5 | 4 | 2 | Yes | Analysis |
| 13 | 2019 South African Junior Team Championships (U12 Girls) | 2020-01-04 | 2020-01-08 | Standard | 4 Knights (4K) | 7 | 6 | 3 | Yes | Analysis |
| 14 | Fonteine Ope 2019 (C) | 2019-10-19 | 2019-10-19 | Standard | Sedibeng (GSV) | 5 | 5 | 2 | Yes | Analysis |
| 15 | GE vs GSV Inter Regional 2019 (U10 Girls) | 2019-10-26 | 2019-10-26 | Standard | Ekurhuleni (GE) | 5 | 5 | 2 | Yes | Analysis |
| 16 | 2019 Gauteng School League Finals (U9 Open) | 2019-08-23 | 2019-08-23 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 17 | D7 Primary School League 2019 (U9) | 2019-08-03 | 2019-08-03 | Standard | Sedibeng (GSV) | 5 | 5 | 4.5 | Yes | Analysis |
| 18 | LS Voorwaarts & Dr P Hangelbroek Chess Open 2019 (E) | 2019-08-31 | 2019-08-31 | Standard | Sedibeng (GSV) | 5 | 5 | 3.5 | Yes | Analysis |
| 19 | Eureka Chess Open 2019 (H) | 2019-07-27 | 2019-07-27 | Standard | Sedibeng (GSV) | 5 | 5 | 3 | Yes | Analysis |
| 20 | Overvaal Chess Open 2019 (E) | 2019-06-15 | 2019-06-15 | Standard | Sedibeng (GSV) | 5 | 5 | 4 | Yes | Analysis |
| 21 | D7 Individuals 2019 (U9 Girls) | 2019-05-04 | 2019-05-04 | Standard | Sedibeng (GSV) | 5 | 5 | 3.5 | Yes | Analysis |
| 22 | Dirk de Koster Chess Open 2019 (D) | 2019-04-13 | 2019-04-13 | Standard | Sedibeng (GSV) | 5 | 5 | 1.5 | Yes | Analysis |
| 23 | AG Visser Skaak Ope 2019 (C) | 2019-02-23 | 2019-02-23 | Standard | Sedibeng (GSV) | 5 | 5 | 0.5 | Yes | Analysis |
| 24 | South African Junior Team Championships 2018 (U12D) | 2018-12-16 | 2018-12-20 | Standard | 4 Knights (4K) | 7 | 6 | 0.5 | Yes | Analysis |
| 25 | 2018 Interregion Sedibeng vs Ekurhuleni (P) | 2018-11-03 | 2018-11-03 | Standard | Sedibeng (GSV) | 5 | 5 | 3.5 | Yes | Analysis |
| 26 | Fonteine Open 2018 (D) | 2018-10-13 | 2018-10-13 | Standard | Sedibeng (GSV) | 5 | 5 | 4 | Yes | Analysis |
| 27 | Eureka Chess Open 2018 (H) | 2018-09-29 | 2018-09-29 | Standard | Sedibeng (GSV) | 5 | 5 | 2 | Yes | Analysis |
| 28 | TST-MSA Tournament 2018 (F) | 2018-07-21 | 2018-07-21 | Standard | Sedibeng (GSV) | 5 | 5 | 2.5 | Yes | Analysis |
| 29 | Sasolburg Open 2018 (D) | 2018-06-02 | 2018-06-02 | Standard | Sedibeng (GSV) | 5 | 5 | 2 | Yes | Analysis |
| 30 | Hoerskool Drie Riviere Open 2018 (D) | 2018-06-09 | 2018-06-09 | Standard | Sedibeng (GSV) | 5 | 5 | 1 | Yes | Analysis |
| 31 | Broadland`s Knights Chess Open 2018 (E) | 2018-06-16 | 2018-06-16 | Standard | Sedibeng (GSV) | 5 | 5 | 2.5 | Yes | Analysis |
| 32 | D7 Primary School League 2023 (U9 Boys+Mixed) | 2018-04-21 | 2018-04-21 | Standard | Sedibeng (GSV) | 5 | 5 | 1 | Yes | Analysis |
| 33 | Henley Open 2018 (D) | 2018-03-10 | 2018-03-10 | Standard | Sedibeng (GSV) | 5 | 5 | 2.5 | Yes | Analysis |
| 34 | Carels Open 2018 (D) | 2018-03-03 | 2018-03-03 | Standard | Sedibeng (GSV) | 5 | 5 | 3 | Yes | Analysis |
| 35 | D7 Individual 2018 (U9 Girls) | 2018-02-24 | 2018-02-24 | Standard | Sedibeng (GSV) | 5 | 4 | 2.5 | Yes | Analysis |
| 36 | South African Junior Wildcard Championships 2017 (U8 Girls) | 2018-01-09 | 2018-01-12 | Standard | 4 Knights (4K) | 7 | 7 | 2 | Yes | Analysis |
| 37 | South African Junior Team Championships 2017 (U8B+U8 Girls) | 2018-01-04 | 2018-01-08 | Standard | 4 Knights (4K) | 7 | 7 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | TournamentEureka Chess Open 2019 | TournamentD7 Primary School League 2019 | ||||||
| date2019-07-27 | rnd3 | typeStandard | result1 | date2019-08-03 | rnd5 | typeStandard | result1 | ||
| OpponentMuphuthing, K (Kutlwano) | OpponentGloy, B (Bryan) | ||||||||
| 2 | 5 | Tournament2019 Gauteng School League Finals | TournamentLS Voorwaarts & Dr P Hangelbroek Chess Open 2019 | ||||||
| date2019-08-23 | rnd3 | typeStandard | result1 | date2019-08-31 | rnd2 | typeStandard | result1 | ||
| OpponentMacala, L (Lunam) | OpponentDe Koker, C (Christiaan) | ||||||||
| 3 | 5 | TournamentFonteine Open 2018 | Tournament2018 Interregion Sedibeng vs Ekurhuleni | ||||||
| date2018-10-13 | rnd4 | typeStandard | result1 | date2018-11-03 | rnd3 | typeStandard | result1 | ||
| OpponentCoetzer, C (Carl) | OpponentBarnard, M (Martin) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | TournamentEureka Chess Open 2019 | TournamentD7 Primary School League 2019 | ||||||
| date2019-07-27 | rnd3 | typeStandard | result1 | date2019-08-03 | rnd5 | typeStandard | result1 | ||
| OpponentMuphuthing, K (Kutlwano) | OpponentGloy, B (Bryan) | ||||||||
| 2 | 5 | Tournament2019 Gauteng School League Finals | TournamentLS Voorwaarts & Dr P Hangelbroek Chess Open 2019 | ||||||
| date2019-08-23 | rnd3 | typeStandard | result1 | date2019-08-31 | rnd2 | typeStandard | result1 | ||
| OpponentMacala, L (Lunam) | OpponentDe Koker, C (Christiaan) | ||||||||
| 3 | 5 | TournamentFonteine Open 2018 | Tournament2018 Interregion Sedibeng vs Ekurhuleni | ||||||
| date2018-10-13 | rnd4 | typeStandard | result1 | date2018-11-03 | rnd3 | typeStandard | result1 | ||
| OpponentCoetzer, C (Carl) | OpponentBarnard, M (Martin) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentEureka Chess Open 2019 | TournamentD7 Primary School League 2019 | ||||||
| date2019-07-27 | rnd3 | typeStandard | result1 | date2019-08-03 | rnd3 | typeStandard | result1 | ||
| OpponentMuphuthing, K (Kutlwano) | OpponentDe Koker, C (Christiaan) | ||||||||
| 2 | 5 | Tournament2019 Gauteng School League Finals | TournamentLS Voorwaarts & Dr P Hangelbroek Chess Open 2019 | ||||||
| date2019-08-23 | rnd3 | typeStandard | result1 | date2019-08-31 | rnd2 | typeStandard | result1 | ||
| OpponentMacala, L (Lunam) | OpponentDe Koker, C (Christiaan) | ||||||||
| 3 | 4 | TournamentGE vs GSV Inter Regional 2019 | Tournament2019 South African Junior Team Championships | ||||||
| date2019-10-26 | rnd4 | typeStandard | result1 | date2020-01-04 | rnd2 | typeStandard | result1 | ||
| OpponentBothma, J (Jaculene) | OpponentNtlahla, A (Anathi) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentEureka Chess Open 2019 | TournamentD7 Primary School League 2019 | ||||||
| date2019-07-27 | rnd3 | typeStandard | result1 | date2019-08-03 | rnd3 | typeStandard | result1 | ||
| OpponentMuphuthing, K (Kutlwano) | OpponentDe Koker, C (Christiaan) | ||||||||
| 2 | 5 | Tournament2019 Gauteng School League Finals | TournamentLS Voorwaarts & Dr P Hangelbroek Chess Open 2019 | ||||||
| date2019-08-23 | rnd3 | typeStandard | result1 | date2019-08-31 | rnd2 | typeStandard | result1 | ||
| OpponentMacala, L (Lunam) | OpponentDe Koker, C (Christiaan) | ||||||||
| 3 | 4 | TournamentGE vs GSV Inter Regional 2019 | Tournament2019 South African Junior Team Championships | ||||||
| date2019-10-26 | rnd4 | typeStandard | result1 | date2020-01-04 | rnd2 | typeStandard | result1 | ||
| OpponentBothma, J (Jaculene) | OpponentNtlahla, A (Anathi) | ||||||||
| # | 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 | Williams ,A (Anika) | 6 | 0 | -425 | 6 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1048 | 623 | 1043.3 | 623 | 0 | 0 | 0 | 0 | ||||||
| 2 | Weber ,KP (Keagan Peter) | 4 | 1 | -212.5 | 4 | 1 | -212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1130.8 | 918.3 | 1116.2 | 918.3 | 0 | 0 | 0 | 0 | ||||||
| 3 | Pretorius ,PJ (Petrus) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 869.6 | 444.6 | 871.6 | 444.6 | 0 | 0 | 0 | 0 | ||||||
| 4 | Tshabalala ,R (Reatlaretse) | 3 | 0.5 | -283.3 | 3 | 0.5 | -283.3 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1311 | 1027.7 | 1306 | 1027.7 | 0 | 0 | 0 | 0 | ||||||
| 5 | De Lange ,H (Henro) | 3 | 3 | 425 | 3 | 3 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1078.1 | 1503.1 | 1066.5 | 1503.1 | 0 | 0 | 0 | 0 | ||||||
| 6 | Minnaar ,R (Rochelle) | 3 | 1 | -141.7 | 3 | 1 | -141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1061.3 | 919.6 | 1056 | 919.6 | 0 | 0 | 0 | 0 | ||||||
| 7 | Coetzer ,Z (Zinique) | 3 | 2 | 141.7 | 3 | 2 | 141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1140.4 | 1282 | 1129.3 | 1282 | 0 | 0 | 0 | 0 | ||||||
| 8 | Kuveya ,R (Rufaro) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1096.4 | 1096.4 | 1080.8 | 1096.4 | 0 | 0 | 0 | 0 | ||||||
| 9 | Barnard ,T (Tobie) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 10 | Viljoen ,C (Chene) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1244.9 | 1244.9 | 1246 | 1244.9 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|