Chess South Africa
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Chess South Africa
Zvinongoza, K (Kai)
Dob:
2016/02/19 (U10)
Gender:
Male
Chess SA id:
1160300103
FIDE id:
Region:
Overberg (WOS)
Citizen:
RSA
Title(s):
Last active:
2024/03/16 (253 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
1183.7
Current Weighted rating
1191.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1191.1
Current highest rating achieved
1183.7
Current floor (min rating allowed)
683.7
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)
±169.7
Current Raw change used (final)
0.0
Projected new Raw rating
1183.7
Projected new Weighed rating
1095.5
Projected new Weighted performance
612.8
Projected new final Raw rating (if new WP > new Raw)
1183.7
Projected new highest rating
1183.7
Projected new floor
683.7
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1183.7
Projected effective change (new Official - current Official)
-7.4
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
1182.4
Current Weighted rating
1190.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1190.4
Current highest rating achieved
1182.4
Current floor (min rating allowed)
682.4
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)
±170.0
Current Raw change used (final)
0.0
Projected new Raw rating
1182.4
Projected new Weighed rating
1094.8
Projected new Weighted performance
340.4
Projected new final Raw rating (if new WP > new Raw)
1182.4
Projected new highest rating
1182.4
Projected new floor
682.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1182.4
Projected effective change (new Official - current Official)
-8.0
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
1194.8
Current Weighted rating
1197.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1197.2
Current highest rating achieved
1194.8
Current floor (min rating allowed)
694.8
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)
±167.0
Current Raw change used (final)
0.0
Projected new Raw rating
1194.8
Projected new Weighed rating
1101.3
Projected new Weighted performance
358.4
Projected new final Raw rating (if new WP > new Raw)
1194.8
Projected new highest rating
1194.8
Projected new floor
694.8
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1194.8
Projected effective change (new Official - current Official)
-2.4
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
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
0.0
Current floor (min rating allowed)
700.0
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)
±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
0.0
Projected new floor
700.0
Projected new K-facor
40
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
Overberg Schools - PS Closed 2024 (U9 Boys)
2024/03/16
2024/03/16
Overberg (WOS)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
1
Overberg Schools - PS Trials Region 3 2024 (U9 Boys)
2024/03/02
2024/03/02
Overberg (WOS)
Rapid
30
0.60
5
4
2.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
Overberg Schools - PS Closed 2024 (U9 Boys)
2024/03/16
2024/03/16
Overberg (WOS)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
1
Overberg Schools - PS Trials Region 3 2024 (U9 Boys)
2024/03/02
2024/03/02
Overberg (WOS)
Rapid
30
0.60
5
4
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
9
3
2
4
4.0
44.4
-47.2
1194.3
1147.1
White
4
2
1
1
2.5
62.5
106.3
1178.6
1284.8
Black
5
1
1
3
1.5
30.0
-170.0
1206.9
1036.9
Standard
All
5
2
0
3
2.0
40.0
-85.0
1203.1
1118.1
White
2
1
0
1
1.0
50.0
0.0
1200.0
1200.0
Black
3
1
0
2
1.0
33.3
-141.7
1205.1
1063.4
Rapid
All
4
1
2
1
2.0
50.0
0.0
1183.4
1183.4
White
2
1
1
0
1.5
75.0
212.5
1157.2
1369.7
Black
2
0
1
1
0.5
25.0
-212.5
1209.6
997.1
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
9
3
2
4
4.0
44.4
-47.2
1194.3
1147.1
White
4
2
1
1
2.5
62.5
106.3
1178.6
1284.8
Black
5
1
1
3
1.5
30.0
-170.0
1206.9
1036.9
Standard
All
5
2
0
3
2.0
40.0
-85.0
1203.1
1118.1
White
2
1
0
1
1.0
50.0
0.0
1200.0
1200.0
Black
3
1
0
2
1.0
33.3
-141.7
1205.1
1063.4
Rapid
All
4
1
2
1
2.0
50.0
0.0
1183.4
1183.4
White
2
1
1
0
1.5
75.0
212.5
1157.2
1369.7
Black
2
0
1
1
0.5
25.0
-212.5
1209.6
997.1
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
1160152129
Crafford, Q (Quade)
2
0.0
0
0
2
0.0
1200.0
-425.0
775.0
View list
2
1160300093
Hayes, M (Micah)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1150300098
Oosthuizen, D (Daniel)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1150154665
Rock, A (Albert)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1160190775
Viljoen, W (Wian)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
6
1150150067
Otto, X (Xavier)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
7
1160300790
Huisamen, H (Heinrich)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
1160300091
Grieb, N (Nathan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
