Chess South Africa
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Chess South Africa
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
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
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 rating
1139.3
Current Weighted rating
1128.2
Current Weighted performance
1078.6
Current official/published rating (highest between Raw, WR and WP)
1139.3
Current highest rating achieved
1168.1
Current floor (min rating allowed)
668.1
Current K-factor
40
Games played this month
0
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 rating
1139.3
Projected new Weighed rating
1037.2
Projected new Weighted performance
1078.6
Projected new final Raw rating (if new WP > new Raw)
1139.3
Projected new highest rating
1168.1
Projected new floor
668.1
Projected new K-facor
40
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 rating
1142.0
Current Weighted rating
1119.0
Current Weighted performance
1078.6
Current official/published rating (highest between Raw, WR and WP)
1142.0
Current highest rating achieved
1170.0
Current floor (min rating allowed)
670.0
Current K-factor
40
Games played this month
0
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 rating
1142.0
Projected new Weighed rating
1028.7
Projected new Weighted performance
1078.6
Projected new final Raw rating (if new WP > new Raw)
1142.0
Projected new highest rating
1170.0
Projected new floor
670.0
Projected new K-facor
40
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
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 rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
s
Games played this month
0
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 rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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 rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
Games played this month
0
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 rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
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
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
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
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 id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
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