Chess South Africa
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Chess South Africa
Botha, Z (Zane)
Dob:
2009/08/23 (U16)
Gender:
Male
Chess SA id:
1090141153
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2022/11/05 (563 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
Curent Raw rating
1085.8
Curent Weighted rating
1085.3
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1085.8
Current floor (min rating allowed)
624.6
Current highest rating achieved
1124.6
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)
±195.1
Current Raw change used (final)
0.0
Projected new Raw rating
1085.8
Projected new Weighed rating
1085.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1085.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1124.6
Projected new floor
624.6
Projected new K-facor
40
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
Curent Raw rating
1052.0
Curent Weighted rating
1052.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1052.0
Current floor (min rating allowed)
606.4
Current highest rating achieved
1106.4
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)
±204.7
Current Raw change used (final)
0.0
Projected new Raw rating
1052.0
Projected new Weighed rating
1052.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1052.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1106.4
Projected new floor
606.4
Projected new K-facor
40
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
Curent Raw rating
1184.0
Curent Weighted rating
1184.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1184.8
Current floor (min rating allowed)
684.0
Current highest rating achieved
1184.0
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)
±169.6
Current Raw change used (final)
0.0
Projected new Raw rating
1184.0
Projected new Weighed rating
1184.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1184.5
Projected effective change (new Official - current Official)
-0.3
Projected new highest rating
1184.0
Projected new floor
684.0
Projected new K-facor
40
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
Curent Raw rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
684.0
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
684.0
Projected new K-facor
36
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
3
Kenridge Rapid 2022 (U14)
2022/11/05
2022/11/05
Cape Town (WCT)
Rapid
25
0.54
6
5
2.0
1075.9
1200.0
Analysis
2
WP Closed 2022 (U14)
2022/06/16
2022/06/16
Cape Town (WCT)
Standard
70
0.87
6
6
1.0
1124.6
1106.4
Analysis
1
Steinitz Open 2022 (C)
2022/05/21
2022/05/22
Cape Town (WCT)
Standard
60
0.83
5
5
0.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
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
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
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
16
3
0
13
3.0
18.8
-265.6
1227.6
962.0
White
7
2
0
5
2.0
28.6
-182.1
1179.6
997.5
Black
9
1
0
8
1.0
11.1
-330.6
1264.9
934.3
Standard
All
11
1
0
10
1.0
9.1
-347.7
1221.7
873.9
White
5
0
0
5
0.0
0.0
-425.0
1192.0
767.0
Black
6
1
0
5
1.0
16.7
-283.3
1246.3
963.0
Rapid
All
5
2
0
3
2.0
40.0
-85.0
1240.6
1155.6
White
2
2
0
0
2.0
100.0
425.0
1148.6
1573.6
Black
3
0
0
3
0.0
0.0
-425.0
1301.9
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
1090137388
Uchendu, D (David)
2
0.0
0
0
2
0.0
1138.0
-425.0
713.0
View list
2
2090141163
Roto, A (Ahluma)
2
0.0
0
0
2
0.0
1162.3
-425.0
737.3
View list
3
1090137380
Makabeni, M (Mihlali)
1
1.0
1
0
0
100.0
1075.9
425.0
1500.9
View list
4
1100109845
Borchardt, T (Tiaan)
1
1.0
1
0
0
100.0
1075.9
425.0
1500.9
View list
5
1100138073
Williams, M (Matthew)
1
1.0
1
0
0
100.0
1124.6
425.0
1549.6
View list
6
109093041
Steininger, A (Alexander)
1
0.0
0
0
1
0.0
1124.6
-425.0
699.6
View list
7
1090138625
Rieder, L (Luke)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
110094681
Meyer, M (Matthew)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
2100137375
Bellini, G (Gemma)
1
0.0
0
0
1
0.0
1124.6
-425.0
699.6
View list
10
2060096064
Jacobs, C (Caitlin)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
11
2100138514
Hastig, A (Amamkele)
1
0.0
0
0
1
0.0
1124.6
-425.0
699.6
View list
12
209095311
Grove, E (Emily)
1
0.0
0
0
1
0.0
1075.9
-425.0
650.9
View list
13
1100097517
Gous, L (Luka)
1
0.0
0
0
1
0.0
1075.9
-425.0
650.9
View list
14
1090138811
Fisher, J (Joshua)
1
0.0
0
0
1
0.0
1124.6
-425.0
699.6
View list