Chess South Africa
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Chess South Africa
Pieterse, Z (Zandri)
Dob:
2011/03/01 (U14)
Gender:
Female
Chess SA id:
2110152999
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2024/03/09 (107 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
1143.0
Current Weighted rating
1182.0
Current Weighted performance
977.4
Current official/published rating (highest between Raw, WR and WP)
1182.0
Current highest rating achieved
1208.7
Current floor (min rating allowed)
708.7
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)
±179.8
Current Raw change used (final)
0.0
Projected new Raw rating
1143.0
Projected new Weighed rating
1086.8
Projected new Weighted performance
977.4
Projected new final Raw rating (if new WP > new Raw)
1143.0
Projected new highest rating
1208.7
Projected new floor
708.7
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1143.0
Projected effective change (new Official - current Official)
-39.0
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
1138.0
Current Weighted rating
1181.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1181.1
Current highest rating achieved
1210.4
Current floor (min rating allowed)
710.4
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)
±181.1
Current Raw change used (final)
0.0
Projected new Raw rating
1138.0
Projected new Weighed rating
1085.9
Projected new Weighted performance
875.7
Projected new final Raw rating (if new WP > new Raw)
1138.0
Projected new highest rating
1210.4
Projected new floor
710.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1138.0
Projected effective change (new Official - current Official)
-43.1
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
1197.8
Current Weighted rating
1199.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1199.5
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)
±166.3
Current Raw change used (final)
0.0
Projected new Raw rating
1197.8
Projected new Weighed rating
1103.5
Projected new Weighted performance
376.3
Projected new final Raw rating (if new WP > new Raw)
1197.8
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)
1197.8
Projected effective change (new Official - current Official)
-1.7
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
2
Benoni Primary School Cluster Individuals 2024 (U13 Girls)
2024/03/09
2024/03/09
Ekurhuleni (GE)
Rapid
30
0.60
5
5
2.5
1140.0
1200.0
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U14C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
0.0
1208.7
1210.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
5
Benoni Primary School Cluster Individuals 2024 (U13 Girls)
2024/03/09
2024/03/09
Ekurhuleni (GE)
Rapid
30
0.60
5
5
2.5
1140.0
1200.0
Analysis
4
2024 Gauteng Inter-Region Chess Championship (U14C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
0.0
1208.7
1210.4
Analysis
3
Ekurhuleni North Schools Individual Finals 2023 (U13 Girls)
2023/05/12
2023/05/12
Ekurhuleni (GE)
Standard
60
0.83
5
4
2.0
1200.6
1199.6
Analysis
2
Ekurhuleni Trials 2 2023 (U14)
2023/04/22
2023/04/22
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1178.4
1172.0
Analysis
1
Ekhuruleni Chess Trials 1 2023 (U14)
2023/03/25
2023/03/25
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
9
2
1
6
2.5
27.8
-188.9
1184.9
996.0
White
5
0
1
4
0.5
10.0
-340.0
1188.7
848.7
Black
4
2
0
2
2.0
50.0
0.0
1180.2
1180.2
Standard
All
4
0
0
4
0.0
0.0
-425.0
1201.4
776.4
White
2
0
0
2
0.0
0.0
-425.0
1211.3
786.3
Black
2
0
0
2
0.0
0.0
-425.0
1191.5
766.5
Rapid
All
5
2
1
2
2.5
50.0
0.0
1171.7
1171.7
White
3
0
1
2
0.5
16.7
-283.3
1173.7
890.3
Black
2
2
0
0
2.0
100.0
425.0
1168.8
1593.8
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
23
9
1
13
9.5
41.3
-73.9
1200.4
1126.5
White
12
2
1
9
2.5
20.8
-247.9
1220.3
972.4
Black
11
7
0
4
7.0
63.6
115.9
1178.6
1294.5
Standard
All
18
7
0
11
7.0
38.9
-94.4
1208.3
1113.9
White
9
2
0
7
2.0
22.2
-236.1
1235.9
999.8
Black
9
5
0
4
5.0
55.6
47.2
1180.7
1228.0
Rapid
All
5
2
1
2
2.5
50.0
0.0
1171.7
1171.7
White
3
0
1
2
0.5
16.7
-283.3
1173.7
890.3
Black
2
2
0
0
2.0
100.0
425.0
1168.8
1593.8
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 id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2110107822
Myburgh, M (Melinda)
2
0.0
0
0
2
0.0
1170.0
-425.0
745.0
View list
2
2110155110
Maphuthoma, T (Tshegofatso)
1
1.0
1
0
0
100.0
1200.6
425.0
1625.6
View list
3
2110155586
Lourens, A (Ashley)
1
1.0
1
0
0
100.0
1140.0
425.0
1565.0
View list
4
2110155102
Letsolo, K (Kutlwano Masody Annah)
1
1.0
1
0
0
100.0
1200.6
425.0
1625.6
View list
5
1100111981
Hattingh, K (Kale)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
2100154022
Gwaza, U (Unathi)
1
1.0
1
0
0
100.0
1178.4
425.0
1603.4
View list
7
2110190278
Dyson, B (Brenda)
1
1.0
1
0
0
100.0
1140.0
425.0
1565.0
View list
8
1110145736
Castelyn, D (Dean)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
9
2110154018
Buthelezi, O (Owethu)
1
1.0
1
0
0
100.0
1178.4
425.0
1603.4
View list
10
1110154037
Uriesi, P (Patrick)
1
1.0
1
0
0
100.0
1178.4
425.0
1603.4
View list
11
2110136329
Horn, E (Erin)
1
0.5
0
1
0
50.0
1140.0
0.0
1140.0
View list
12
1110153003
Theron, C (Clea)
1
0.0
0
0
1
0.0
1140.0
-425.0
715.0
View list
13
1100153990
Segeel, K (Kian)
1
0.0
0
0
1
0.0
1178.4
-425.0
753.4
View list
14
1110135545
Mohonwe, LK (Lebone Kgosi)
1
0.0
0
0
1
0.0
1208.7
-425.0
783.7
View list
15
2100149402
Mitileni, V (Vutlhari)
1
0.0
0
0
1
0.0
1208.7
-425.0
783.7
View list
16
2110155111
Masogo, M (Mogau Raesibe)
1
0.0
0
0
1
0.0
1200.6
-425.0
775.6
View list
17
110092125
Jansen Van Vuuren, J (Joshua)
1
0.0
0
0
1
0.0
1208.7
-425.0
783.7
View list
18
2110111566
Hingorani, R (Ridhima)
1
0.0
0
0
1
0.0
1200.6
-425.0
775.6
View list
19
1120155245
Booysen, Z (Zian)
1
0.0
0
0
1
0.0
1208.7
-425.0
783.7
View list
20
1100154020
Du Preez, A (Anro)
1
0.0
0
0
1
0.0
1178.4
-425.0
753.4
View list