PLAYER PAGE
Personal
Mostert, JC (Jacques Charles)
Chess SA id
190025230FIDE id
?Date of birth
1990-09-19 (Adult)Gender
MaleRegion
Cape Town (WCT)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-09-09Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1415.7 | 1412.2 | 1404.2 | 1386 |
| Raw rating | 1415.7 | 1412.2 | 1404.2 | 1386 |
| Weighted rating | 1415.7 | 1412.2 | 1404.1 | 1386 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 926.8 | 926.8 | 904.2 | 886 |
| K-factor | 32 | 32 | 32 | 36 |
| Min/Max rating change allowed | 121.9 | 122.6 | 124 | 127.2 |
| Highest rating | 1592.92019-09-01 | 1571.42019-09-01 | 1404.22024-02-01 | 13862024-02-01 |
| Highest raw rating | 1426.82019-12-01 | 1426.82019-12-01 | 1404.22024-02-01 | 13862024-02-01 |
| Highest weighted rating | 1426.82021-09-01 | 1426.82021-09-01 | 1403.62025-08-01 | 13862025-08-01 |
| Highest weighted performance | 1592.92019-09-01 | 1571.42019-09-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1415.7 | 1412.2 | 1404.2 | 1386 |
| Analysis | ||||
| Rating | 1415.7 | 1412.2 | 1404.2 | 1386 |
| Raw rating | 1415.7 | 1412.2 | 1404.2 | 1386 |
| Weighted rating | 1415.7 | 1412.2 | 1404.1 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 32 | 32 | 32 | 36 |
| Floor | 926.8 | 926.8 | 904.2 | 886 |
| Max/Min rating change allowed | 121.9 | 122.6 | 124 | 127.2 |
| 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 | 1415.7 | 1412.2 | 1404.2 | 1386 |
| New weighted rating | 1415.7 | 1412.2 | 1404.2 | 1386 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1415.7 | 1412.2 | 1404.2 | 1386 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1415.7 | 1412.2 | 1404.2 | 1386 |
| New K-factor | 32 | 32 | 32 | 36 |
| New floor | 926.8 | 926.8 | 904.2 | 886 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 4 | 4 | 0 | 0 | |
| 3 | 3 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 42 | 36 | 0 | 6 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Cape Town (WCT) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| 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 | 18 | 11 | 61.11 | 94.4 | 1358.9 | 1453.4 |
| Standard | 18 | 11 | 61.11 | 94.4 | 1358.9 | 1453.4 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1415.7 | 1412.2 | 1404.2 | 1386 |
| 2025-09-30 | 1415.7 | 1412.2 | 1404.2 | 1386 |
| 2025-09-01 | 1415.7 | 1412.2 | 1404.2 | 1386 |
| 2025-08-01 | 1415.7 | 1412.2 | 1404.2 | 1386 |
| 2025-07-01 | 1415.7 | 1412.2 | 1404.2 | 1386 |
| 2025-06-01 | 1415.7 | 1412.2 | 1404.2 | 1386 |
| 2025-05-01 | 1415.7 | 1412.2 | 1404.2 | 1386 |
| 2025-04-01 | 1415.7 | 1412.2 | 1404.2 | 1386 |
| 2025-03-01 | 1415.7 | 1412.2 | 1404.2 | 1386 |
| 2025-02-01 | 1415.7 | 1412.2 | 1404.2 | 1386 |
| 2025-01-01 | 1415.6 | 1412.1 | 1404.2 | 1386 |
| 2024-12-01 | 1415.6 | 1412.1 | 1404.2 | 1386 |
| 2024-11-01 | 1415.6 | 1412.1 | 1404.2 | 1386 |
| 2024-10-01 | 1415.6 | 1412.1 | 1404.2 | 1386 |
| 2024-09-01 | 1415.6 | 1412.1 | 1404.2 | 1386 |
| 2024-08-01 | 1415.6 | 1412.1 | 1404.2 | 1386 |
| 2024-07-01 | 1415.6 | 1412.1 | 1404.2 | 1386 |
| 2024-09-01 | 1415.6 | 1412.1 | 1404.2 | 1386 |
| 2024-05-01 | 1415.6 | 1412.1 | 1404.2 | 1386 |
| 2024-04-01 | 1415.6 | 1412.1 | 1404.2 | 1386 |
| 2024-03-01 | 1415.6 | 1412.1 | 1404.2 | 1386 |
| 2024-02-01 | 1415.6 | 1412.1 | 1404.2 | 1386 |
| 2024-01-01 | 1415.6 | 1412.1 | 1404.2 | 1386 |
| 2023-12-01 | 1415.6 | 1412.1 | 1385.8 | 1385.8 |
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 | WP Club League 2023 (B) | 2023-07-29 | 2023-09-09 | Standard | Cape Town (WCT) | 11 | 4 | 2 | Yes | Analysis |
| 2 | 2022 Western Province Club League (C) | 2022-08-20 | 2022-10-01 | Standard | Cape Town (WCT) | 11 | 3 | 1.5 | Yes | Analysis |
| 3 | 2019 Kraaifontein Open (Open) | 2019-12-06 | 2019-12-08 | Standard | Cape Town (WCT) | 6 | 5 | 2.5 | Yes | Analysis |
| 4 | 2019 Western Cape Closed Chess Championships (C) | 2019-09-21 | 2019-09-22 | Standard | Cape Winelands (WCW) | 6 | 6 | 5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | Tournament2019 Western Cape Closed Chess Championships | Tournament2019 Kraaifontein Open | ||||||
| date2019-09-21 | rnd1 | typeStandard | result1 | date2019-12-07 | rnd2 | typeStandard | result1 | ||
| OpponentKriel, CA (Christiaan) | OpponentMqikela, K (Kamvalethu) | ||||||||
| 2 | 2 | Tournament2022 Western Province Club League | TournamentWP Club League 2023 | ||||||
| date2022-09-17 | rnd9 | typeStandard | result0.5 | date2023-08-05 | rnd3 | typeStandard | result1 | ||
| OpponentJonkers, T (Tristan) | OpponentMguce, V (Vuyo) | ||||||||
| 3 | 2 | Tournament2019 Kraaifontein Open | Tournament2022 Western Province Club League | ||||||
| date2019-12-08 | rnd5 | typeStandard | result0.5 | date2022-09-03 | rnd5 | typeStandard | result1 | ||
| OpponentNtukela, A (Amzolele) | OpponentPearce, AJ (Andre) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | Tournament2019 Western Cape Closed Chess Championships | Tournament2019 Kraaifontein Open | ||||||
| date2019-09-21 | rnd1 | typeStandard | result1 | date2019-12-07 | rnd2 | typeStandard | result1 | ||
| OpponentKriel, CA (Christiaan) | OpponentMqikela, K (Kamvalethu) | ||||||||
| 2 | 2 | Tournament2022 Western Province Club League | TournamentWP Club League 2023 | ||||||
| date2022-09-17 | rnd9 | typeStandard | result0.5 | date2023-08-05 | rnd3 | typeStandard | result1 | ||
| OpponentJonkers, T (Tristan) | OpponentMguce, V (Vuyo) | ||||||||
| 3 | 2 | Tournament2019 Kraaifontein Open | Tournament2022 Western Province Club League | ||||||
| date2019-12-08 | rnd5 | typeStandard | result0.5 | date2022-09-03 | rnd5 | typeStandard | result1 | ||
| OpponentNtukela, A (Amzolele) | OpponentPearce, AJ (Andre) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2019 Western Cape Closed Chess Championships | Tournament2019 Western Cape Closed Chess Championships | ||||||
| date2019-09-21 | rnd1 | typeStandard | result1 | date2019-09-21 | rnd3 | typeStandard | result1 | ||
| OpponentKriel, CA (Christiaan) | OpponentCrotz, G (Greagan) | ||||||||
| 2 | 2 | Tournament2019 Kraaifontein Open | Tournament2019 Kraaifontein Open | ||||||
| date2019-12-06 | rnd1 | typeStandard | result1 | date2019-12-07 | rnd2 | typeStandard | result1 | ||
| OpponentNonco, L (Lwazi) | OpponentMqikela, K (Kamvalethu) | ||||||||
| 3 | 1 | TournamentWP Club League 2023 | TournamentWP Club League 2023 | ||||||
| date2023-08-26 | rnd7 | typeStandard | result1 | date2023-08-26 | rnd7 | typeStandard | result1 | ||
| OpponentMaxwell, T (Tristan) | OpponentMaxwell, T (Tristan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2019 Western Cape Closed Chess Championships | Tournament2019 Western Cape Closed Chess Championships | ||||||
| date2019-09-21 | rnd1 | typeStandard | result1 | date2019-09-21 | rnd3 | typeStandard | result1 | ||
| OpponentKriel, CA (Christiaan) | OpponentCrotz, G (Greagan) | ||||||||
| 2 | 2 | Tournament2019 Kraaifontein Open | Tournament2019 Kraaifontein Open | ||||||
| date2019-12-06 | rnd1 | typeStandard | result1 | date2019-12-07 | rnd2 | typeStandard | result1 | ||
| OpponentNonco, L (Lwazi) | OpponentMqikela, K (Kamvalethu) | ||||||||
| 3 | 1 | TournamentWP Club League 2023 | TournamentWP Club League 2023 | ||||||
| date2023-08-26 | rnd7 | typeStandard | result1 | date2023-08-26 | rnd7 | typeStandard | result1 | ||
| OpponentMaxwell, T (Tristan) | OpponentMaxwell, T (Tristan) | ||||||||
| # | 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 | Mchontsi ,A (Ayabonga) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1465.4 | 1040.4 | 1444.7 | 1040.4 | 0 | 0 | 0 | 0 | ||||||
| 2 | Pearce ,AJ (Andre Jacques) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1337.7 | 1762.7 | 1340.5 | 1762.7 | 0 | 0 | 0 | 0 | ||||||
| 3 | Nonco ,L (Lwazi) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1524.3 | 1949.3 | 1524.3 | 1949.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Crotz ,G (Greagan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1169.4 | 1594.4 | 1113.8 | 1594.4 | 0 | 0 | 0 | 0 | ||||||
| 5 | Pietersen ,W (Willmore) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1420.8 | 995.8 | 1446.4 | 995.8 | 0 | 0 | 0 | 0 | ||||||
| 6 | Van Tonder ,W (Wium) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1356.6 | 1781.6 | 1310.8 | 1781.6 | 0 | 0 | 0 | 0 | ||||||
| 7 | Manshon ,L (Liam) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1342.8 | 917.8 | 1342.3 | 917.8 | 0 | 0 | 0 | 0 | ||||||
| 8 | Mguce ,V (Vuyo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1386.9 | 1811.9 | 1387.1 | 1811.9 | 0 | 0 | 0 | 0 | ||||||
| 9 | Ntukela ,A (Amzolele) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1288.5 | 1288.5 | 1272.1 | 1288.5 | 0 | 0 | 0 | 0 | ||||||
| 10 | Kriel ,CA (Christiaan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1210.4 | 1635.4 | 1203.8 | 1635.4 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

