Chess South Africa
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Chess South Africa
Joubert, Z (Zani)
Dob:
2017/05/03 (U8)
Gender:
Female
Chess SA id:
2170191603
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2024/10/04 (41 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
1089.2
Current Weighted rating
1156.2
Current Weighted performance
1000.9
Current official/published rating (highest between Raw, WR and WP)
1156.2
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)
±194.2
Current Raw change used (final)
0.0
Projected new Raw rating
1089.2
Projected new Weighed rating
1062.4
Projected new Weighted performance
1000.9
Projected new final Raw rating (if new WP > new Raw)
1089.2
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)
1089.2
Projected effective change (new Official - current Official)
-67.0
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
1080.2
Current Weighted rating
1152.6
Current Weighted performance
1000.9
Current official/published rating (highest between Raw, WR and WP)
1152.6
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)
±196.7
Current Raw change used (final)
0.0
Projected new Raw rating
1080.2
Projected new Weighed rating
1059.0
Projected new Weighted performance
1000.9
Projected new final Raw rating (if new WP > new Raw)
1080.2
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)
1080.2
Projected effective change (new Official - current Official)
-72.4
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
1160.8
Current Weighted rating
1179.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1179.6
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)
±175.3
Current Raw change used (final)
0.0
Projected new Raw rating
1160.8
Projected new Weighed rating
1084.6
Projected new Weighted performance
627.3
Projected new final Raw rating (if new WP > new Raw)
1160.8
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)
1160.8
Projected effective change (new Official - current Official)
-18.8
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
13
Gauteng Top Schools 2024 (U13 Girls)
2024/10/04
2024/10/04
Ekurhuleni (GE)
Standard
60
0.83
5
4
0.5
1119.1
1115.1
Analysis
12
Bojanala's FIDE In The Sparkling Waters 2024 (Young Junior Champs)
2024/08/17
2024/08/17
Bojanala Platina (NBR)
Standard
120
1.00
5
5
2.0
1142.0
1141.4
Analysis
11
JMC Closed 2024 (U8)
2024/08/09
2024/08/09
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
1.0
1142.0
1141.4
Analysis
10
Second Knight Riders Juniors Open Chess Tournament 2024 (U8)
2024/06/08
2024/06/08
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1134.2
1129.5
Analysis
9
JMC Trinityhouse Little Falls 2024 (U8)
2024/06/02
2024/06/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1134.2
1129.5
Analysis
8
Chess Power House May Open 2024 (E)
2024/05/25
2024/05/25
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.5
1147.0
1141.0
Analysis
7
JMC Crawford International Sandton 2024 (U8)
2024/05/11
2024/05/11
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
1.0
1147.0
1141.0
Analysis
6
JMC Helpmekaar Kollege Tournament 2024 (U8)
2024/05/04
2024/05/04
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
1.0
1147.0
1141.0
Analysis
5
Hermanus Chess Club Open 2024 (Development)
2024/04/20
2024/04/20
Overberg (WOS)
Rapid
20
0.47
7
7
3.0
1148.5
1178.4
Analysis
4
CPH St Andrew's Rapid 2024 (D)
2024/03/30
2024/03/30
Ekurhuleni (GE)
Rapid
20
0.47
5
5
2.0
1161.2
1200.0
Analysis
3
2024 Chris Greyling Open Chess Tournament (F)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1161.2
1151.4
Analysis
2
2024 Tshwane Chess AHS Open Chess Tournament (F)
2024/02/24
2024/02/24
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1149.8
1137.4
Analysis
1
JMC Kick Off Tournament 2024 (U8)
2024/01/28
2024/01/28
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
13
Gauteng Top Schools 2024 (U13 Girls)
2024/10/04
2024/10/04
Ekurhuleni (GE)
Standard
60
0.83
5
4
0.5
1119.1
1115.1
Analysis
12
Bojanala's FIDE In The Sparkling Waters 2024 (Young Junior Champs)
2024/08/17
2024/08/17
Bojanala Platina (NBR)
Standard
120
1.00
5
5
2.0
1142.0
1141.4
Analysis
11
JMC Closed 2024 (U8)
2024/08/09
2024/08/09
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
1.0
1142.0
1141.4
Analysis
10
Second Knight Riders Juniors Open Chess Tournament 2024 (U8)
2024/06/08
2024/06/08
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1134.2
1129.5
Analysis
9
JMC Trinityhouse Little Falls 2024 (U8)
2024/06/02
2024/06/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1134.2
1129.5
Analysis
8
Chess Power House May Open 2024 (E)
2024/05/25
2024/05/25
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.5
1147.0
1141.0
Analysis
7
JMC Crawford International Sandton 2024 (U8)
2024/05/11
2024/05/11
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
1.0
1147.0
1141.0
Analysis
6
JMC Helpmekaar Kollege Tournament 2024 (U8)
2024/05/04
2024/05/04
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
1.0
1147.0
1141.0
Analysis
5
Hermanus Chess Club Open 2024 (Development)
2024/04/20
2024/04/20
Overberg (WOS)
Rapid
20
0.47
7
7
3.0
1148.5
1178.4
Analysis
4
CPH St Andrew's Rapid 2024 (D)
2024/03/30
2024/03/30
Ekurhuleni (GE)
Rapid
20
0.47
5
5
2.0
1161.2
1200.0
Analysis
3
2024 Chris Greyling Open Chess Tournament (F)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1161.2
1151.4
Analysis
2
2024 Tshwane Chess AHS Open Chess Tournament (F)
2024/02/24
2024/02/24
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1149.8
1137.4
Analysis
1
JMC Kick Off Tournament 2024 (U8)
2024/01/28
2024/01/28
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
63
21
4
38
23.0
36.5
-114.7
1213.5
1098.8
White
31
9
3
19
10.5
33.9
-137.1
1204.7
1067.6
Black
32
12
1
19
12.5
39.1
-93.0
1222.0
1129.0
Standard
All
51
16
4
31
18.0
35.3
-125.0
1216.6
1091.6
White
25
6
3
16
7.5
30.0
-170.0
1205.0
1035.0
Black
26
10
1
15
10.5
40.4
-81.7
1227.7
1146.0
Rapid
All
12
5
0
7
5.0
41.7
-70.8
1200.5
1129.7
White
6
3
0
3
3.0
50.0
0.0
1203.8
1203.8
Black
6
2
0
4
2.0
33.3
-141.7
1197.3
1055.6
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
63
21
4
38
23.0
36.5
-114.7
1213.5
1098.8
White
31
9
3
19
10.5
33.9
-137.1
1204.7
1067.6
Black
32
12
1
19
12.5
39.1
-93.0
1222.0
1129.0
Standard
All
51
16
4
31
18.0
35.3
-125.0
1216.6
1091.6
White
25
6
3
16
7.5
30.0
-170.0
1205.0
1035.0
Black
26
10
1
15
10.5
40.4
-81.7
1227.7
1146.0
Rapid
All
12
5
0
7
5.0
41.7
-70.8
1200.5
1129.7
White
6
3
0
3
3.0
50.0
0.0
1203.8
1203.8
Black
6
2
0
4
2.0
33.3
-141.7
1197.3
1055.6
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
2170149596
Mabugu, R (Refilwe)
4
1.5
1
1
2
37.5
1148.0
-106.3
1041.8
View list
2
1170157327
Bekker, J (Jacobus)
3
0.0
0
0
3
0.0
1158.7
-425.0
733.7
View list
3
1170147325
Stelloh, A (Alexander)
3
0.0
0
0
3
0.0
1150.1
-425.0
725.1
View list
4
1170300288
Van Zijl, A (Adolf)
2
2.0
2
0
0
100.0
1147.0
425.0
1572.0
View list
5
2170303049
Levitan, E (Eliana)
2
1.0
1
0
1
50.0
1140.6
0.0
1140.6
View list
6
2170151830
Malemane, A (Atlehang Faith)
2
0.0
0
0
2
0.0
1173.5
-425.0
748.5
View list
7
1170157329
Roberts, M (Marthinus)
2
0.0
0
0
2
0.0
1180.6
-425.0
755.6
View list
8
1170162033
Sahoo, S (Shaurya)
2
0.0
0
0
2
0.0
1138.1
-425.0
713.1
View list
9
2170191352
Kgwale, K (Keratilwe)
1
1.0
1
0
0
100.0
1161.2
425.0
1586.2
View list
10
1160154139
Haupt, D (Dawid)
1
1.0
1
0
0
100.0
1149.8
425.0
1574.8
View list
11
1170300279
Bender, D (Divan)
1
1.0
1
0
0
100.0
1134.2
425.0
1559.2
View list
12
1170306085
Boungou-Poati, U (U'Tamsi)
1
1.0
1
0
0
100.0
1134.2
425.0
1559.2
View list
13
1170302191
Davids, N (Noah)
1
1.0
1
0
0
100.0
1148.5
425.0
1573.5
View list
14
1180309772
Coetsee, L (Luca)
1
1.0
1
0
0
100.0
1142.0
425.0
1567.0
View list
15
1180305181
Logan, I (Irvine)
1
1.0
1
0
0
100.0
1147.0
425.0
1572.0
View list
16
2180300285
Luus, A (Ava)
1
1.0
1
0
0
100.0
1142.0
425.0
1567.0
View list
17
2130302195
Mkhapheni, A (Ayakha)
1
1.0
1
0
0
100.0
1148.5
425.0
1573.5
View list
18
2170191631
Muller, L (Limay)
1
1.0
1
0
0
100.0
1161.2
425.0
1586.2
View list
19
1180192091
Peter, B (Bulumko)
1
1.0
1
0
0
100.0
1161.2
425.0
1586.2
View list
20
2160301381
Pistorius, A (Anja)
1
1.0
1
0
0
100.0
1161.2
425.0
1586.2
View list