Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Van Rooyen, Z (Zahnie)
Dob:
2012/08/25 (U14)
Gender:
Female
Chess SA id:
2120145871
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/05/11 (46 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
1142.2
Current Weighted rating
1166.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1166.1
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)
±180.0
Current Raw change used (final)
0.0
Projected new Raw rating
1142.2
Projected new Weighed rating
1072.7
Projected new Weighted performance
796.2
Projected new final Raw rating (if new WP > new Raw)
1142.2
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)
1142.2
Projected effective change (new Official - current Official)
-23.9
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
1132.8
Current Weighted rating
1159.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1159.4
Current highest rating achieved
1161.6
Current floor (min rating allowed)
661.6
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)
±182.5
Current Raw change used (final)
0.0
Projected new Raw rating
1132.8
Projected new Weighed rating
1066.5
Projected new Weighted performance
796.2
Projected new final Raw rating (if new WP > new Raw)
1132.8
Projected new highest rating
1161.6
Projected new floor
661.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1132.8
Projected effective change (new Official - current Official)
-26.6
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
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
2
2024 Tshwane North School District CLOSED Individual Champioships (U13 Girls)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1168.1
1161.6
Analysis
1
District 3 Cluster 4 and 5 Individuals 2024 (U13 Girls)
2024/05/04
2024/05/04
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1168.1
1161.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
3
2024 Tshwane North School District CLOSED Individual Champioships (U13 Girls)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1168.1
1161.6
Analysis
2
District 3 Cluster 4 and 5 Individuals 2024 (U13 Girls)
2024/05/04
2024/05/04
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1168.1
1161.6
Analysis
1
2022 Gauteng Schools Team Championships (U13 Girls)
2022/08/27
2022/08/27
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
9
3
0
6
3.0
33.3
-141.7
1231.3
1089.6
White
4
0
0
4
0.0
0.0
-425.0
1270.4
845.4
Black
5
3
0
2
3.0
60.0
85.0
1200.0
1285.0
Standard
All
9
3
0
6
3.0
33.3
-141.7
1231.3
1089.6
White
4
0
0
4
0.0
0.0
-425.0
1270.4
845.4
Black
5
3
0
2
3.0
60.0
85.0
1200.0
1285.0
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
13
4
0
9
4.0
30.8
-163.5
1224.0
1060.5
White
6
0
0
6
0.0
0.0
-425.0
1246.9
821.9
Black
7
4
0
3
4.0
57.1
60.7
1204.3
1265.0
Standard
All
13
4
0
9
4.0
30.8
-163.5
1224.0
1060.5
White
6
0
0
6
0.0
0.0
-425.0
1246.9
821.9
Black
7
4
0
3
4.0
57.1
60.7
1204.3
1265.0
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
2120303695
Mmekoa, T (Tlotlang)
1
1.0
1
0
0
100.0
1168.1
425.0
1593.1
View list
2
2120303370
Masebe, B (Bokang)
1
1.0
1
0
0
100.0
1168.1
425.0
1593.1
View list
3
2100145858
Rakau, L (Lebohang)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
2120303699
Motsepe, M (Mphoentle)
1
1.0
1
0
0
100.0
1168.1
425.0
1593.1
View list
5
2120303374
Van Broekhuizen, M (Marené)
1
0.0
0
0
1
0.0
1168.1
-425.0
743.1
View list
6
2110157405
Strauss, L (Luné)
1
0.0
0
0
1
0.0
1168.1
-425.0
743.1
View list
7
1090118657
Semenekane, L (Lesedi)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
2110303373
Mojela, O (Oratile)
1
0.0
0
0
1
0.0
1168.1
-425.0
743.1
View list
9
2120303371
Moeketsane, M (Mpho)
1
0.0
0
0
1
0.0
1168.1
-425.0
743.1
View list
10
2110145832
Mangela, O (Owethu)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
11
2110159819
Lekhuleni, N (Nqobile)
1
0.0
0
0
1
0.0
1168.1
-425.0
743.1
View list
12
2110303369
Du Toit, L (Leoné)
1
0.0
0
0
1
0.0
1168.1
-425.0
743.1
View list
13
2090144962
Brooks, H (Hadey)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list