Player Page

Van Zyl, J (Johanna)
Dob: 2014/07/03 (U12)
Gender: Female
Chess SA id: 2140146480
FIDE id:
Region: John Taolo Gaetswewe (NCJ)
Citizen: RSA
Title(s):
Last active: 2024/05/05 (49 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
Current Raw rating1139.3
Current Weighted rating1128.2
Current Weighted performance1078.6
Current official/published rating (highest between Raw, WR and WP)1139.3
Current highest rating achieved1168.1
Current floor (min rating allowed)668.1
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)±180.8
Current Raw change used (final)0.0
Projected new Raw rating1139.3
Projected new Weighed rating1037.2
Projected new Weighted performance1078.6
Projected new final Raw rating (if new WP > new Raw)1139.3
Projected new highest rating1168.1
Projected new floor668.1
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1139.3
Projected effective change (new Official - current Official)=0.0
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
Current Raw rating1142.0
Current Weighted rating1119.0
Current Weighted performance1078.6
Current official/published rating (highest between Raw, WR and WP)1142.0
Current highest rating achieved1170.0
Current floor (min rating allowed)670.0
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)±180.1
Current Raw change used (final)0.0
Projected new Raw rating1142.0
Projected new Weighed rating1028.7
Projected new Weighted performance1078.6
Projected new final Raw rating (if new WP > new Raw)1142.0
Projected new highest rating1170.0
Projected new floor670.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1142.0
Projected effective change (new Official - current Official)=0.0
s
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
Current Raw rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
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
Current Raw rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Spartan Bishops Chess Championships 2024 (Big Pawns) 2024/05/04 2024/05/05 Bojanala Platina (NBR) Standard 60 0.83 5 5 1.0 1166.9 1170.0 Analysis
2 Hopetown Open Chess Tournament 2024 (U12) 2024/02/10 2024/02/10 Frances Baard (NCF) Standard 62 0.84 5 5 3.0 1099.4 1083.2 Analysis
1 2024 Frances Baard Schools Open (U11) 2024/02/03 2024/02/03 Frances Baard (NCF) Standard 62 0.84 5 5 3.0 1099.4 1083.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 Spartan Bishops Chess Championships 2024 (Big Pawns) 2024/05/04 2024/05/05 Bojanala Platina (NBR) Standard 60 0.83 5 5 1.0 1166.9 1170.0 Analysis
6 Hopetown Open Chess Tournament 2024 (U12) 2024/02/10 2024/02/10 Frances Baard (NCF) Standard 62 0.84 5 5 3.0 1099.4 1083.2 Analysis
5 2024 Frances Baard Schools Open (U11) 2024/02/03 2024/02/03 Frances Baard (NCF) Standard 62 0.84 5 5 3.0 1099.4 1083.2 Analysis
4 2023 Northern Cape Closed Chess Championships (U10 Girls) 2023/08/25 2023/08/27 Frances Baard (NCF) Standard 92 0.94 4 4 2.0 1091.5 1072.4 Analysis
3 Inter Regional Chess Championship 2023 (U10) 2023/05/19 2023/05/20 Mangaung (FMB) Standard 62 0.84 5 4 0.0 1155.0 1146.4 Analysis
2 Hopetown Schools Chess Open Tournament 2023 (U11) 2023/02/25 2023/02/25 John Taolo Gaetswewe (NCJ) Standard 62 0.84 5 5 2.0 1168.1 1160.8 Analysis
1 Pixley Chess Trials 2022 (U10) 2022/09/03 2022/09/03 Pixley-ka-Seme (NCP) Standard 62 0.84 5 4 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 15 7 0 8 7.0 46.7 -28.3 1216.1 1187.8
White 7 3 0 4 3.0 42.9 -60.7 1197.5 1136.8
Black 8 4 0 4 4.0 50.0 0.0 1232.3 1232.3
Standard All 15 7 0 8 7.0 46.7 -28.3 1216.1 1187.8
White 7 3 0 4 3.0 42.9 -60.7 1197.5 1136.8
Black 8 4 0 4 4.0 50.0 0.0 1232.3 1232.3
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 32 11 2 19 12.0 37.5 -106.3 1197.5 1091.2
White 16 5 1 10 5.5 34.4 -132.8 1195.2 1062.3
Black 16 6 1 9 6.5 40.6 -79.7 1199.8 1120.1
Standard All 32 11 2 19 12.0 37.5 -106.3 1197.5 1091.2
White 16 5 1 10 5.5 34.4 -132.8 1195.2 1062.3
Black 16 6 1 9 6.5 40.6 -79.7 1199.8 1120.1
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 2140140889 Niesing, N (Naomi) 2 1.0 1 0 1 50.0 1133.8 0.0 1133.8 View list
2 2150147000 Mokoena, N (Naledientle) 2 0.0 0 0 2 0.0 1123.3 -425.0 698.3 View list
3 1140134181 Bruwer, L (Louis) 1 1.0 1 0 0 100.0 1099.4 425.0 1524.4 View list
4 2140161421 Dire, M (Motse) 1 1.0 1 0 0 100.0 1091.5 425.0 1516.5 View list
5 1140191646 Mogalie, L (Liam Serame Tyrique) 1 1.0 1 0 0 100.0 1099.4 425.0 1524.4 View list
6 1140159351 Jansen, A (Aimee) 1 1.0 1 0 0 100.0 1099.4 425.0 1524.4 View list
7 2130192451 Heyns, R (Rashnique) 1 1.0 1 0 0 100.0 1099.4 425.0 1524.4 View list
8 1130146476 Green, M (Melanique) 1 1.0 1 0 0 100.0 1099.4 425.0 1524.4 View list
9 2130136585 Fischer, C (Calinke) 1 1.0 1 0 0 100.0 1099.4 425.0 1524.4 View list
10 1140303170 Mokefane, K (Kopano) 1 1.0 1 0 0 100.0 1166.9 425.0 1591.9 View list
11 2160140887 Murphy, K (Klara Catherine) 1 1.0 1 0 0 100.0 1091.5 425.0 1516.5 View list
12 1120146485 Thiso, O (Owami) 1 1.0 1 0 0 100.0 1168.1 425.0 1593.1 View list
13 1130134185 Olivier, D (Delene) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
14 1130146477 Pienaar, J (Joshwin) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
15 1120106806 Pienaar, D (David) 1 0.0 0 0 1 0.0 1168.1 -425.0 743.1 View list
16 1140132585 Murphy, S (Saul) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
17 2150140888 Murphy, M (Melinke Frances-Laine) 1 0.0 0 0 1 0.0 1091.5 -425.0 666.5 View list
18 1140144040 Mogomotsi, G (Gofaone) 1 0.0 0 0 1 0.0 1166.9 -425.0 741.9 View list
19 1150140884 Finck, L (Lynden) 1 0.0 0 0 1 0.0 1168.1 -425.0 743.1 View list
20 1140143832 Du Plessis, J (Johandre Jan-Phillip) 1 0.0 0 0 1 0.0 1155.0 -425.0 730.0 View list