Player Page

Pretorius, WJM (Martienus)
Dob: 2005/03/05 (U20)
Gender: Male
Chess SA id: 105048022
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2023/03/04 (441 days ago)
Ratings
Raw rating=Current rating, Weighted rating (WR)Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Curent Raw rating1145.7
Curent Weighted rating1138.1
Curent Weighted performance941.3
Current official/published rating (highest between Raw, WR and WP)1145.7
Current floor (min rating allowed)645.7
Current highest rating achieved1145.7
Current K-factor40
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±179.2
Current Raw change used (final)0.0
Projected new Raw rating1145.7
Projected new Weighed rating1139.5
Projected new Weighted performance941.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1145.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1145.7
Projected new floor645.7
Projected new K-facor40
Raw rating=Current rating, Weighted rating (WR)Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Curent Raw rating1155.2
Curent Weighted rating1147.2
Curent Weighted performance934.8
Current official/published rating (highest between Raw, WR and WP)1155.2
Current floor (min rating allowed)670.0
Current highest rating achieved1170.0
Current K-factor40
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±176.7
Current Raw change used (final)0.0
Projected new Raw rating1155.2
Projected new Weighed rating1148.6
Projected new Weighted performance934.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1155.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1170.0
Projected new floor670.0
Projected new K-facor40
Raw rating=Current rating, Weighted rating (WR)Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Curent Raw rating674.6
Curent Weighted rating674.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)674.6
Current floor (min rating allowed)500.0
Current highest rating achieved674.6
Current K-factor40
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±350.5
Current Raw change used (final)0.0
Projected new Raw rating674.6
Projected new Weighed rating674.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)674.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating674.6
Projected new floor500.0
Projected new K-facor40
Raw rating=Current rating, Weighted rating (WR)Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Curent Raw rating594.2
Curent Weighted rating594.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)594.2
Current floor (min rating allowed)500.0
Current highest rating achieved674.0
Current K-factor40
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±393.1
Current Raw change used (final)0.0
Projected new Raw rating594.2
Projected new Weighed rating594.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)594.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating674.0
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
19 2023 Afrikaans Hoër Seunskool Open Chess Tournament (C) 2023/03/04 2023/03/04 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1129.8 1141.6 Analysis
18 Grey College Team Championship 2023 (B) 2023/02/03 2023/02/04 Mangaung (FMB) Standard 60 0.83 5 5 3.0 1082.0 1086.0 Analysis
17 2022 Gauteng Schools Team Championships (U17 Open) 2022/08/26 2022/08/26 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1137.8 1155.6 Analysis
16 Grey College Team Championship 2022 (A) 2022/02/18 2022/02/19 Mangaung (FMB) Standard 60 0.83 5 5 2.0 1145.1 1170.0 Analysis
15 Ekurhuleni Chess Open 2022 (C) 2022/01/08 2022/01/08 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1113.2 1145.6 Analysis
14 2021 Affies Interhuis 2021/10/28 2021/10/28 Tshwane (GTP) Rapid 30 0.60 5 4 1.0 1133.4 637.4 Analysis
13 2019 Swartkop Open (C) 2019/06/15 2019/06/15 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1038.1 1031.2 Analysis
12 South African Junior Team Championships 2018 (U14E) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 5.0 975.7 978.0 Analysis
11 Inter Region GE vs JHB Metro 2018 (U14E) 2018/10/06 2018/10/06 Ekurhuleni (GE) Standard 60 0.83 5 3 0.0 1037.1 1056.0 Analysis
10 Ekurhuleni Open 2018 (C) 2018/08/18 2018/08/18 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1011.6 1034.8 Analysis
9 Witfield Open 2018 (C) 2018/07/21 2018/07/21 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1018.9 1030.4 Analysis
8 2018 Swartkop Open (D) 2018/06/23 2018/06/23 Tshwane (GTP) Standard 60 0.83 5 5 5.0 900.2 899.8 Analysis
7 Ekurhuleni Trials 3 2018 (U14) 2018/06/16 2018/06/16 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 900.2 899.8 Analysis
6 2018 Super 12 (Senior) 2018/05/05 2018/05/05 Tshwane (GTP) Rapid 30 0.60 5 5 2.0 899.2 594.2 Analysis
5 Ekurhuleni Trials 2 2018 (U14) 2018/04/21 2018/04/21 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 702.1 719.0 Analysis
4 Human Rights Day Open 2018 (C) 2018/03/21 2018/03/21 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 680.2 695.8 Analysis
3 Ekurhuleni Trials 1 2018 (U14) 2018/03/10 2018/03/10 Ekurhuleni (GE) Standard 60 0.83 5 5 1.0 680.2 695.8 Analysis
2 Brakpan Open 2018 (C) 2018/02/24 2018/02/24 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 655.3 667.8 Analysis
1 Johan Jurgens Open 2018 (C) 2018/01/26 2018/01/27 Ekurhuleni (GE) Standard 60 0.83 6 4 4.0 594.2 594.2 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Standard All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Rapid All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 93 47 1 45 47.5 51.1 9.1 1032.0 1041.1
White 47 23 1 23 23.5 50.0 0.0 1018.9 1018.9
Black 46 24 0 22 24.0 52.2 18.5 1045.3 1063.8
Standard All 84 44 1 39 44.5 53.0 25.3 1027.5 1052.8
White 42 21 1 20 21.5 51.2 10.1 1018.8 1028.9
Black 42 23 0 19 23.0 54.8 40.5 1036.2 1076.7
Rapid All 9 3 0 6 3.0 33.3 -141.7 1073.6 931.9
White 5 2 0 3 2.0 40.0 -85.0 1019.7 934.7
Black 4 1 0 3 1.0 25.0 -212.5 1141.0 928.5
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1060096802 Jones, E (Ethan) 3 2.0 2 0 1 66.7 760.8 141.7 902.5 View list
2 105085038 Gibbens, JJW (James) 3 0.0 0 0 3 0.0 826.5 -425.0 401.5 View list
3 108088044 Deans, J (Jarred) 2 1.0 1 0 1 50.0 624.8 0.0 624.8 View list
4 205079715 Evans, R (Robyn) 2 1.0 1 0 1 50.0 828.0 0.0 828.0 View list
5 206088651 Bothma, L (Liandri) 1 1.0 1 0 0 100.0 900.2 425.0 1325.2 View list
6 105088026 Black, B (Brayden) 1 1.0 1 0 0 100.0 1113.2 425.0 1538.2 View list
7 1070097358 Bell, S (Shaune) 1 1.0 1 0 0 100.0 1113.2 425.0 1538.2 View list
8 1080108607 Coetzee, C (Conlinn) 1 1.0 1 0 0 100.0 1082.0 425.0 1507.0 View list
9 1070108325 Cilliers, R (Ruben) 1 1.0 1 0 0 100.0 1137.8 425.0 1562.8 View list
10 2050106511 De Lange, C (Cheleike) 1 1.0 1 0 0 100.0 1113.2 425.0 1538.2 View list
11 108092345 Dreyer, NJ (Nicolaas) 1 1.0 1 0 0 100.0 900.2 425.0 1325.2 View list
12 1050099234 Albrecht, E (Eben) 1 1.0 1 0 0 100.0 680.2 425.0 1105.2 View list
13 106066234 Fillis, J (Jared) 1 1.0 1 0 0 100.0 975.7 425.0 1400.7 View list
14 107079669 Fuhri, R (Ruben) 1 1.0 1 0 0 100.0 1133.4 425.0 1558.4 View list
15 109083426 Gerber, J (Juandre) 1 1.0 1 0 0 100.0 1038.1 425.0 1463.1 View list
16 105083300 Gopakumar, A (Akhil) 1 1.0 1 0 0 100.0 975.7 425.0 1400.7 View list
17 112089895 Govender, P (Pranau) 1 1.0 1 0 0 100.0 900.2 425.0 1325.2 View list
18 1120109890 Grahan, T (Tylo) 1 1.0 1 0 0 100.0 1129.8 425.0 1554.8 View list
19 105059135 Greyling, S (Schalk) 1 1.0 1 0 0 100.0 1018.9 425.0 1443.9 View list
20 209083780 Grootboom, C (Chante) 1 1.0 1 0 0 100.0 1038.1 425.0 1463.1 View list