PLAYER PAGE
Personal
Mostert, M (Mj)
Chess SA id
109091542FIDE id
?Date of birth
2009-02-16 (U18)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2020-03-01Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1061.5 | 1053 | 500 | 500 |
| Raw rating | 1061.5 | 1053 | 500 | 500 |
| Weighted rating | 1061.5 | 1053 | 500 | 500 |
| Weighted performance | 298.1 | 295.8 | 0 | 0 |
| Floor | 561.5 | 553 | 500 | 500 |
| K-factor | 40 | 40 | 40 | 40 |
| Min/Max rating change allowed | 202 | 204.4 | 449.5 | 449.5 |
| Highest rating | 12002024-11-01 | 12002024-11-01 | 12002024-02-01 | 12002024-02-01 |
| Highest raw rating | 1061.52024-02-01 | 10532024-02-01 | 5002024-02-01 | 5002024-02-01 |
| Highest weighted rating | 1061.52024-11-01 | 10532024-11-01 | 5002024-11-01 | 5002024-11-01 |
| Highest weighted performance | 12002024-12-01 | 12002024-12-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1061.5 | 1053 | 500 | 500 |
| Analysis | ||||
| Rating | 1061.5 | 1053 | 500 | 500 |
| Raw rating | 1061.5 | 1053 | 500 | 500 |
| Weighted rating | 1061.5 | 1053 | 500 | |
| Weighted performance | 298.1 | 295.8 | 0 | |
| K-factor | 40 | 40 | 40 | 40 |
| Floor | 561.5 | 553 | 500 | 500 |
| Max/Min rating change allowed | 202 | 204.4 | 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 | 1061.5 | 1053 | 500 | 500 |
| New weighted rating | 1061.5 | 1053 | 500 | 500 |
| New weighted performance | 291.7 | 289.5 | 0 | 0 |
| Temp new rating | 1061.5 | 1053 | 500 | 500 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1061.5 | 1053 | 500 | 500 |
| New K-factor | 40 | 40 | 40 | 40 |
| New floor | 561.5 | 553 | 500 | 500 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 127 | 127 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U18 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 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 | 90 | 41.5 | 46.11 | -33.1 | 973 | 940 |
| Standard | 90 | 41.5 | 46.11 | -33.1 | 973 | 940 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1061.5 | 1053 | 500 | 500 |
| 2025-09-30 | 1061.5 | 1053 | 500 | 500 |
| 2025-09-01 | 1061.5 | 1053 | 500 | 500 |
| 2025-08-01 | 1061.5 | 1053 | 500 | 500 |
| 2025-07-01 | 1061.5 | 1053 | 500 | 500 |
| 2025-06-01 | 1061.5 | 1053 | 500 | 500 |
| 2025-05-01 | 1061.5 | 1053 | 500 | 500 |
| 2025-04-01 | 1061.5 | 1053 | 500 | 500 |
| 2025-03-01 | 1061.5 | 1053 | 500 | 500 |
| 2025-02-01 | 1061.5 | 1053 | 500 | 500 |
| 2025-01-01 | 1061.5 | 1053 | 500 | 500 |
| 2024-12-01 | 1061.5 | 1053 | 500 | 500 |
| 2024-11-01 | 1061.5 | 1053 | 500 | 500 |
| 2024-10-01 | 1061.5 | 1053 | 500 | 500 |
| 2024-09-01 | 1061.5 | 1053 | 500 | 500 |
| 2024-08-01 | 1061.5 | 1053 | 500 | 500 |
| 2024-07-01 | 1061.5 | 1053 | 500 | 500 |
| 2024-09-01 | 1061.5 | 1053 | 500 | 500 |
| 2024-05-01 | 1061.5 | 1053 | 500 | 500 |
| 2024-04-01 | 1061.5 | 1053 | 500 | 500 |
| 2024-03-01 | 1061.5 | 1053 | 500 | 500 |
| 2024-02-01 | 1061.5 | 1053 | 500 | 500 |
| 2024-01-01 | 1061.5 | 1053 | 500 | 500 |
| 2023-12-01 | 1061.5 | 1053 | 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 | 2020 Waterkloof Open (D) | 2020-02-29 | 2020-03-01 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 2 | 2020 Piet Robbertse (D) | 2020-01-31 | 2020-02-02 | Standard | Cape Winelands (WCW) | 5 | 4 | 2 | Yes | Analysis |
| 3 | 2020 Registration Tournament (D) | 2020-01-25 | 2020-01-25 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 4 | 2019 Gauteng School League Finals (U11 Open) | 2019-08-23 | 2019-08-23 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 5 | 2019 D4 Tshwane South Schools League Team Finals (U11) | 2019-07-27 | 2019-07-27 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 6 | 2019 D4 Individual Finals (U11 Mixed) | 2019-03-09 | 2019-03-09 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 7 | 2018 Tshwane Inter Region (U10F) | 2018-12-01 | 2018-12-01 | Standard | Cape Town (WCT) | 5 | 5 | 5 | Yes | Analysis |
| 8 | South African Junior Team Championships 2018 (U10B) | 2018-12-16 | 2018-12-20 | Standard | 4 Knights (4K) | 7 | 7 | 1 | Yes | Analysis |
| 9 | 2018 Etienne Lewis Trials (U10 Boys) | 2018-08-31 | 2018-09-02 | Standard | Tshwane (GTP) | 7 | 7 | 3 | Yes | Analysis |
| 10 | 2018 D4 Tshwane South Schools League Finals (U9) | 2018-08-03 | 2018-08-03 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 11 | 2018 Menlo Open Chess Tournament (D) | 2018-07-21 | 2018-07-21 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 12 | 2018 Chris Greyling Open (D) | 2018-04-21 | 2018-04-21 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 13 | 2018 Capablanca Swiss (D) | 2018-04-27 | 2018-04-27 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 14 | 2018 D4 Tshwane North Individual Chess Championships (U9 Boys) | 2018-03-10 | 2018-03-10 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 15 | 2018 Blou Bul Open (D) | 2018-02-17 | 2018-02-17 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 16 | 2018 Tshwane Registration Open Chess Tournament (E) | 2018-01-27 | 2018-01-27 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 17 | South African Junior Team Championships 2017 (U10C) | 2018-01-04 | 2018-01-08 | Standard | 4 Knights (4K) | 7 | 7 | 3.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2018 Tshwane Inter Region | Tournament2018 Tshwane Inter Region | ||||||
| date2018-12-01 | rnd1 | typeStandard | result1 | date2018-12-01 | rnd5 | typeStandard | result1 | ||
| OpponentDreyer, TF (Thomas) | OpponentVan Der Walt, AJ (Antonie) | ||||||||
| 2 | 4 | Tournament2018 Blou Bul Open | Tournament2018 D4 Tshwane North Individual Chess Championships | ||||||
| date2018-02-17 | rnd4 | typeStandard | result1 | date2018-03-10 | rnd2 | typeStandard | result1 | ||
| OpponentVan Der Westhuizen, W (Wihan) | OpponentGerber, J (Juandre) | ||||||||
| 3 | 3 | Tournament2019 D4 Individual Finals | Tournament2019 D4 Individual Finals | ||||||
| date2019-03-09 | rnd2 | typeStandard | result0.5 | date2019-03-09 | rnd4 | typeStandard | result1 | ||
| OpponentErnst, AJ (Alex Johan) | OpponentNel, H (Henco) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2018 Tshwane Inter Region | Tournament2018 Tshwane Inter Region | ||||||
| date2018-12-01 | rnd1 | typeStandard | result1 | date2018-12-01 | rnd5 | typeStandard | result1 | ||
| OpponentDreyer, TF (Thomas) | OpponentVan Der Walt, AJ (Antonie) | ||||||||
| 2 | 4 | Tournament2018 Blou Bul Open | Tournament2018 D4 Tshwane North Individual Chess Championships | ||||||
| date2018-02-17 | rnd4 | typeStandard | result1 | date2018-03-10 | rnd2 | typeStandard | result1 | ||
| OpponentVan Der Westhuizen, W (Wihan) | OpponentGerber, J (Juandre) | ||||||||
| 3 | 3 | Tournament2019 D4 Individual Finals | Tournament2019 D4 Individual Finals | ||||||
| date2019-03-09 | rnd2 | typeStandard | result0.5 | date2019-03-09 | rnd4 | typeStandard | result1 | ||
| OpponentErnst, AJ (Alex Johan) | OpponentNel, H (Henco) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2018 Tshwane Inter Region | Tournament2018 Tshwane Inter Region | ||||||
| date2018-12-01 | rnd1 | typeStandard | result1 | date2018-12-01 | rnd5 | typeStandard | result1 | ||
| OpponentDreyer, TF (Thomas) | OpponentVan Der Walt, AJ (Antonie) | ||||||||
| 2 | 4 | Tournament2018 Blou Bul Open | Tournament2018 D4 Tshwane North Individual Chess Championships | ||||||
| date2018-02-17 | rnd4 | typeStandard | result1 | date2018-03-10 | rnd2 | typeStandard | result1 | ||
| OpponentVan Der Westhuizen, W (Wihan) | OpponentGerber, J (Juandre) | ||||||||
| 3 | 2 | Tournament2020 Waterkloof Open | Tournament2020 Waterkloof Open | ||||||
| date2020-03-01 | rnd4 | typeStandard | result1 | date2020-03-01 | rnd5 | typeStandard | result1 | ||
| OpponentSegale, T (Tshiamo) | OpponentAdamson, A (Amani) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2018 Tshwane Inter Region | Tournament2018 Tshwane Inter Region | ||||||
| date2018-12-01 | rnd1 | typeStandard | result1 | date2018-12-01 | rnd5 | typeStandard | result1 | ||
| OpponentDreyer, TF (Thomas) | OpponentVan Der Walt, AJ (Antonie) | ||||||||
| 2 | 4 | Tournament2018 Blou Bul Open | Tournament2018 D4 Tshwane North Individual Chess Championships | ||||||
| date2018-02-17 | rnd4 | typeStandard | result1 | date2018-03-10 | rnd2 | typeStandard | result1 | ||
| OpponentVan Der Westhuizen, W (Wihan) | OpponentGerber, J (Juandre) | ||||||||
| 3 | 2 | Tournament2020 Waterkloof Open | Tournament2020 Waterkloof Open | ||||||
| date2020-03-01 | rnd4 | typeStandard | result1 | date2020-03-01 | rnd5 | typeStandard | result1 | ||
| OpponentSegale, T (Tshiamo) | OpponentAdamson, A (Amani) | ||||||||
| # | 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 | Vlok ,J (Jan) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 877.1 | 452.1 | 841.9 | 452.1 | 0 | 0 | 0 | 0 | ||||||
| 2 | Nel ,H (Henco) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1014.3 | 1014.3 | 997.4 | 1014.3 | 0 | 0 | 0 | 0 | ||||||
| 3 | Ernst ,AJ (Alex Johan) | 2 | 1.5 | 212.5 | 2 | 1.5 | 212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 955.7 | 1168.2 | 920.6 | 1168.2 | 0 | 0 | 0 | 0 | ||||||
| 4 | Govender ,T (Talia) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1298.7 | 873.7 | 1297.4 | 873.7 | 0 | 0 | 0 | 0 | ||||||
| 5 | Rust ,A (Andreas) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1161.8 | 1586.8 | 1153 | 1586.8 | 0 | 0 | 0 | 0 | ||||||
| 6 | Gruenenfelder ,W (Werni) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1100 | 675 | 1089.6 | 675 | 0 | 0 | 0 | 0 | ||||||
| 7 | Smit ,A (Anika) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 737.7 | 737.7 | 730.8 | 737.7 | 0 | 0 | 0 | 0 | ||||||
| 8 | Lourens ,J (Jurgen) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1200 | 1200 | 1200 | 0 | 0 | 0 | 0 | ||||||
| 9 | August ,S (Siyolise) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1158.7 | 733.7 | 1150.1 | 733.7 | 0 | 0 | 0 | 0 | ||||||
| 10 | Mavuso ,T (Thamsanqa) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 500 | 75 | 500 | 75 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

