Player Page

Van Der Westhuizen, W (Wihan)
Dob: 2010/05/11 (U16)
Gender: Male
Chess SA id: 110095332
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2022/06/18 (701 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 rating1150.5
Curent Weighted rating1150.5
Curent Weighted performance743.5
Current official/published rating (highest between Raw, WR and WP)1150.5
Current floor (min rating allowed)650.5
Current highest rating achieved1150.5
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)±177.9
Current Raw change used (final)0.0
Projected new Raw rating1150.5
Projected new Weighed rating1150.5
Projected new Weighted performance743.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1150.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1150.5
Projected new floor650.5
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 rating1159.4
Curent Weighted rating1159.4
Curent Weighted performance742.1
Current official/published rating (highest between Raw, WR and WP)1159.4
Current floor (min rating allowed)659.4
Current highest rating achieved1159.4
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)±175.7
Current Raw change used (final)0.0
Projected new Raw rating1159.4
Projected new Weighed rating1159.4
Projected new Weighted performance742.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1159.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1159.4
Projected new floor659.4
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
Current K-factor36
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
Current K-factor36
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
16 2022 Gauteng Schools Individual Chess Championship (U13 Boys) 2022/06/18 2022/06/18 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1107.0 1107.0 Analysis
15 2021 Gauteng Schools Chess Championships (U13 Boys) 2021/10/16 2021/10/16 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1082.4 1076.2 Analysis
14 Chessnuts Under 1200 Rated Tournament 2019 (Knights) 2019/07/13 2019/07/13 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1055.8 1046.6 Analysis
13 Chessnuts Under 1200 6 April 2019 (Knights) 2019/04/06 2019/04/06 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1030.6 1014.6 Analysis
12 South African Junior Team Championships 2018 (U10C) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 6 4.0 971.0 954.2 Analysis
11 Inter Region GE vs JHB Metro 2018 (U12 Swiss) 2018/10/06 2018/10/06 Ekurhuleni (GE) Standard 60 0.83 5 4 1.0 990.6 977.0 Analysis
10 JNW Club - Muldersdrif Open 2018 (C) 2018/08/18 2018/08/18 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.0 1060.7 1063.4 Analysis
9 JHB Metro Junior Closed 2018 (U10) 2018/07/28 2018/07/29 Johannesburg Metro (GJM) Standard 90 0.94 6 6 3.0 1047.7 1051.7 Analysis
8 Chessnuts - Under 1000 Ratings Tournament 2018 (B) 2018/07/21 2018/07/21 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1047.7 1051.7 Analysis
7 British International Prep/Chessnuts 2018 (U10) 2018/06/23 2018/06/23 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 989.5 985.2 Analysis
6 JNW Club - Unika Scholar 2018 (U10) 2018/06/02 2018/06/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 989.5 985.2 Analysis
5 Chessnuts - Charterhouse Open 2018 (C) 2018/05/12 2018/05/12 Johannesburg Metro (GJM) Standard 62 0.84 5 5 2.0 977.1 971.6 Analysis
4 Fonties Challenge 2018 (U9) 2018/04/21 2018/04/21 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 916.0 890.4 Analysis
3 2018 Blou Bul Open (D) 2018/02/17 2018/02/17 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1040.8 1040.8 Analysis
2 Chessnuts - Kickoff Open 2018 (D) 2018/02/09 2018/02/10 Johannesburg Metro (GJM) Standard 61 0.83 6 6 4.0 1040.8 1040.8 Analysis
1 South African Junior Team Championships 2017 (U8B+U8 Girls) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 6 2.0 1200.0 1200.0 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 83 40 2 41 41.0 49.4 -5.1 1008.4 1003.3
White 44 24 0 20 24.0 54.5 38.6 962.2 1000.9
Black 39 16 2 21 17.0 43.6 -54.5 1060.4 1006.0
Standard All 83 40 2 41 41.0 49.4 -5.1 1008.4 1003.3
White 44 24 0 20 24.0 54.5 38.6 962.2 1000.9
Black 39 16 2 21 17.0 43.6 -54.5 1060.4 1006.0
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 211085191 Naidoo, K (Kajol) 3 1.0 1 0 2 33.3 1076.8 -141.7 935.1 View list
2 110091702 Van Heerden, F (Freddie) 3 1.0 1 0 2 33.3 965.0 -141.7 823.3 View list
3 109076135 Van Zyl, B (Benjamin) 2 0.0 0 0 2 0.0 952.8 -425.0 527.8 View list
4 210087845 Alberts, A (Anika) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1100111813 Akula, K (Kishan) 1 1.0 1 0 0 100.0 1055.8 425.0 1480.8 View list
6 110092271 Bennie, J (Johannes) 1 1.0 1 0 0 100.0 1047.7 425.0 1472.7 View list
7 208088664 Bosman, E (Elri) 1 1.0 1 0 0 100.0 990.6 425.0 1415.6 View list
8 106056845 Buhrmann, J (Johann) 1 1.0 1 0 0 100.0 1030.6 425.0 1455.6 View list
9 109082809 De Villiers, J (Juan) 1 1.0 1 0 0 100.0 989.5 425.0 1414.5 View list
10 206050275 De Jager, K (Karli) 1 1.0 1 0 0 100.0 1040.8 425.0 1465.8 View list
11 105066726 De Arruda, A (Antonio) 1 1.0 1 0 0 100.0 977.1 425.0 1402.1 View list
12 209088524 Gu Yixiao, N (Nancy) 1 1.0 1 0 0 100.0 1040.8 425.0 1465.8 View list
13 109079423 Govender, R (Ratambara) 1 1.0 1 0 0 100.0 971.0 425.0 1396.0 View list
14 2100107298 George, C (Chloe) 1 1.0 1 0 0 100.0 1055.8 425.0 1480.8 View list
15 1120103636 Kapur, Y (Yashvardhan) 1 1.0 1 0 0 100.0 1047.7 425.0 1472.7 View list
16 2100095954 Kata, A (Amulya) 1 1.0 1 0 0 100.0 1047.7 425.0 1472.7 View list
17 106076133 Khan, A (Aamir) 1 1.0 1 0 0 100.0 1060.7 425.0 1485.7 View list
18 1030111795 Khanyile, T (Thapelo) 1 1.0 1 0 0 100.0 1030.6 425.0 1455.6 View list
19 1080135205 Mafa, R (Rethabile) 1 1.0 1 0 0 100.0 1082.4 425.0 1507.4 View list
20 2100103426 Mafatshe, K (Katlego) 1 1.0 1 0 0 100.0 989.5 425.0 1414.5 View list