Player Page

Viljoen, JC (Johanna)
Dob: 2000/07/14 (Adult)
Gender: Female
Chess SA id: 200044754
FIDE id:
Region: Gert Sibande (MGS)
Citizen: RSA
Title(s):
Last active: 2018/05/19 (2190 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 rating972.0
Curent Weighted rating783.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)972.0
Current floor (min rating allowed)500.0
Current highest rating achieved972.0
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)±229.5
Current Raw change used (final)0.0
Projected new Raw rating972.0
Projected new Weighed rating802.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)972.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating972.0
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 rating972.0
Curent Weighted rating784.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)972.0
Current floor (min rating allowed)500.0
Current highest rating achieved972.0
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)±229.5
Current Raw change used (final)0.0
Projected new Raw rating972.0
Projected new Weighed rating803.2
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)972.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating972.0
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 rating577.8
Curent Weighted rating577.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)577.8
Current floor (min rating allowed)500.0
Current highest rating achieved577.8
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)±402.4
Current Raw change used (final)0.0
Projected new Raw rating577.8
Projected new Weighed rating577.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)577.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating577.8
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 rating552.6
Curent Weighted rating552.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)552.6
Current floor (min rating allowed)500.0
Current highest rating achieved552.6
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)±417.1
Current Raw change used (final)0.0
Projected new Raw rating552.6
Projected new Weighed rating552.6
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)552.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating552.6
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 Gert Sibande High Schools Chess Trials 2018 (U18 Girls) 2018/05/19 2018/05/19 Gert Sibande (MGS) Rapid 40 0.70 5 5 1.0 573.8 552.6 Analysis
2 Govan Mbeki Sub-District Trials Secondary School 2018 (U18 Girls) 2018/05/04 2018/05/04 Gert Sibande (MGS) Standard 60 0.83 5 4 3.0 573.8 573.8 Analysis
1 South African Junior Team Championships 2017 (U18B) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 7 1.0 552.6 552.6 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 16 5 0 11 5.0 31.3 -159.4 1034.9 875.6
White 9 4 0 5 4.0 44.4 -47.2 1047.2 1000.0
Black 7 1 0 6 1.0 14.3 -303.6 1019.1 715.5
Standard All 11 4 0 7 4.0 36.4 -115.9 1027.2 911.3
White 6 3 0 3 3.0 50.0 0.0 1046.2 1046.2
Black 5 1 0 4 1.0 20.0 -255.0 1004.4 749.4
Rapid All 5 1 0 4 1.0 20.0 -255.0 1051.9 796.9
White 3 1 0 2 1.0 33.3 -141.7 1049.3 907.6
Black 2 0 0 2 0.0 0.0 -425.0 1055.8 630.8
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 202003163 Botha, V (Veronica) 2 0.0 0 0 2 0.0 573.8 -425.0 148.8 View list
2 201073313 Khoza, N (Nothando) 1 1.0 1 0 0 100.0 573.8 425.0 998.8 View list
3 201022201 Mbonani, OMP (Oddelia) 1 1.0 1 0 0 100.0 573.8 425.0 998.8 View list
4 2020100843 Adigun, Z (Zainub) 1 1.0 1 0 0 100.0 573.8 425.0 998.8 View list
5 101038745 Van Buynder, B (Bart) 1 1.0 1 0 0 100.0 552.6 425.0 977.6 View list
6 201075013 Morar, A (Anjali) 1 1.0 1 0 0 100.0 573.8 425.0 998.8 View list
7 201041986 Viviers, LM (Lene) 1 0.0 0 0 1 0.0 573.8 -425.0 148.8 View list
8 100041187 Varghese, K (Kevin) 1 0.0 0 0 1 0.0 552.6 -425.0 127.6 View list
9 101040002 Van Jaarsveld, L (Lihann) 1 0.0 0 0 1 0.0 552.6 -425.0 127.6 View list
10 101075143 Mogomotsi, K (Kganya) 1 0.0 0 0 1 0.0 552.6 -425.0 127.6 View list
11 2020102321 Mabaso, P (Paulette) 1 0.0 0 0 1 0.0 573.8 -425.0 148.8 View list
12 200000585 Anagnostou, ZV (Zoe) 1 0.0 0 0 1 0.0 552.6 -425.0 127.6 View list
13 101069553 Freeks, K (Karl) 1 0.0 0 0 1 0.0 552.6 -425.0 127.6 View list
14 201044679 Dinham, M (Megan) 1 0.0 0 0 1 0.0 552.6 -425.0 127.6 View list
15 200048057 Broekman, J (Junicke) 1 0.0 0 0 1 0.0 573.8 -425.0 148.8 View list