Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Kotze, Z (Ziandre)
Dob:
2016/10/04 (U10)
Gender:
Female
Chess SA id:
2160153138
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2024/02/10 (139 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
1061.1
Current Weighted rating
1091.5
Current Weighted performance
846.3
Current official/published rating (highest between Raw, WR and WP)
1091.5
Current highest rating achieved
1165.0
Current floor (min rating allowed)
665.0
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)
±202.1
Current Raw change used (final)
0.0
Projected new Raw rating
1061.1
Projected new Weighed rating
1001.6
Projected new Weighted performance
846.3
Projected new final Raw rating (if new WP > new Raw)
1061.1
Projected new highest rating
1165.0
Projected new floor
665.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1061.1
Projected effective change (new Official - current Official)
-30.4
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
1166.8
Current Weighted rating
1178.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1178.4
Current highest rating achieved
1166.8
Current floor (min rating allowed)
666.8
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)
±173.8
Current Raw change used (final)
0.0
Projected new Raw rating
1166.8
Projected new Weighed rating
1083.5
Projected new Weighted performance
316.2
Projected new final Raw rating (if new WP > new Raw)
1166.8
Projected new highest rating
1166.8
Projected new floor
666.8
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1166.8
Projected effective change (new Official - current Official)
-11.6
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
1014.0
Current Weighted rating
1043.3
Current Weighted performance
821.8
Current official/published rating (highest between Raw, WR and WP)
1043.3
Current highest rating achieved
1141.6
Current floor (min rating allowed)
641.6
Current K-factor
40
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)
±216.1
Current Raw change used (final)
0.0
Projected new Raw rating
1014.0
Projected new Weighed rating
956.2
Projected new Weighted performance
821.8
Projected new final Raw rating (if new WP > new Raw)
1014.0
Projected new highest rating
1141.6
Projected new floor
641.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1014.0
Projected effective change (new Official - current Official)
-29.3
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
1
Bo-Weskus Skole Prestige 2024 (O9 Dogters)
2024/02/10
2024/02/10
West Coast (WCU)
Rapid
30
0.60
5
5
2.0
1059.2
990.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
6
Bo-Weskus Skole Prestige 2024 (O9 Dogters)
2024/02/10
2024/02/10
West Coast (WCU)
Rapid
30
0.60
5
5
2.0
1059.2
990.0
Analysis
5
Western Cape Top Schools 2023 (U7 Mixed)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
5
5
2.0
1061.5
1200.0
Analysis
4
Pedro Booyse Top Schools Round 2 2023 (U7+U9)
2023/08/22
2023/08/22
West Coast (WCU)
Rapid
20
0.47
5
4
0.0
1086.9
1022.8
Analysis
3
Pedro Booyse Top Schools 2023 (U7+U9)
2023/07/29
2023/07/29
West Coast (WCU)
Rapid
25
0.54
5
5
0.0
1133.6
1098.0
Analysis
2
Upper West Coast Top Schools Championship 2023 (U7-U11)
2023/06/10
2023/06/10
West Coast (WCU)
Rapid
30
0.60
5
4
0.5
1165.0
1141.6
Analysis
1
Bo-Weskus Skole Prestige 2023 (O7 Dogters)
2023/03/04
2023/03/04
West Coast (WCU)
Rapid
30
0.60
5
5
1.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
2
0
3
2.0
40.0
-85.0
1152.7
1067.7
White
2
1
0
1
1.0
50.0
0.0
1167.7
1167.7
Black
3
1
0
2
1.0
33.3
-141.7
1142.7
1001.0
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
5
2
0
3
2.0
40.0
-85.0
1152.7
1067.7
White
2
1
0
1
1.0
50.0
0.0
1167.7
1167.7
Black
3
1
0
2
1.0
33.3
-141.7
1142.7
1001.0
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
28
4
3
21
5.5
19.6
-258.0
1185.3
927.3
White
14
2
2
10
3.0
21.4
-242.9
1175.7
932.9
Black
14
2
1
11
2.5
17.9
-273.2
1195.0
921.7
Standard
All
5
2
0
3
2.0
40.0
-85.0
1141.7
1056.7
White
3
1
0
2
1.0
33.3
-141.7
1109.2
967.5
Black
2
1
0
1
1.0
50.0
0.0
1190.5
1190.5
Rapid
All
23
2
3
18
3.5
15.2
-295.7
1194.8
899.2
White
11
1
2
8
2.0
18.2
-270.5
1193.9
923.4
Black
12
1
1
10
1.5
12.5
-318.8
1195.7
876.9
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
1140153169
Joseph, G (Granville)
3
0.0
0
0
3
0.0
1128.5
-425.0
703.5
View list
2
2160153827
Da Camara, I (Izabella)
2
0.0
0
0
2
0.0
1097.5
-425.0
672.5
View list
3
2150143102
Arinze, K (Karmelithe)
2
0.0
0
0
2
0.0
1112.1
-425.0
687.1
View list
4
2160153132
Adonis, G (Gia)
1
1.0
1
0
0
100.0
1059.2
425.0
1484.2
View list
5
2150157860
Klaase, N (Nizeche)
1
1.0
1
0
0
100.0
1059.2
425.0
1484.2
View list
6
2170149819
Pokwas, R (Raynicah)
1
1.0
1
0
0
100.0
1061.5
425.0
1486.5
View list
7
1160161829
Zaaiman, J (Jean)
1
1.0
1
0
0
100.0
1061.5
425.0
1486.5
View list
8
2160153135
Fortuin, M (Mia)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
9
2150157862
Meyer, J (Jenova)
1
0.5
0
1
0
50.0
1165.0
0.0
1165.0
View list
10
2160153140
Steenkamp, M (Mienke)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
11
1160153148
Sacco, A (Aldrin)
1
0.0
0
0
1
0.0
1086.9
-425.0
661.9
View list
12
1140157863
Ruiter, J (Juvandre)
1
0.0
0
0
1
0.0
1165.0
-425.0
740.0
View list
13
1160153147
Pienaar, R (Ryan)
1
0.0
0
0
1
0.0
1133.6
-425.0
708.6
View list
14
1150146269
Lewis, C (Connor)
1
0.0
0
0
1
0.0
1133.6
-425.0
708.6
View list
15
2160154655
Joubert, S (Sumari)
1
0.0
0
0
1
0.0
1061.5
-425.0
636.5
View list
16
2160150926
Fredericks, B (Bethany)
1
0.0
0
0
1
0.0
1061.5
-425.0
636.5
View list
17
1150153837
Flink, J (Jumelio)
1
0.0
0
0
1
0.0
1133.6
-425.0
708.6
View list
18
1150146267
Da Camara, S (Samuel)
1
0.0
0
0
1
0.0
1086.9
-425.0
661.9
View list
19
2160153133
Afrika, N (Nazley)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
20
2140139074
Boas, F (Fransisca)
1
0.0
0
0
1
0.0
1086.9
-425.0
661.9
View list