Chess South Africa
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Chess South Africa
Boonzaaier, Z (Zachary Jesse)
Dob:
2007/07/27 (U18)
Gender:
Male
Chess SA id:
1070146868
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/08/03 (113 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
1222.2
Current Weighted rating
1177.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1222.2
Current highest rating achieved
1222.2
Current floor (min rating allowed)
722.2
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)
±160.7
Current Raw change used (final)
0.0
Projected new Raw rating
1222.2
Projected new Weighed rating
1084.0
Projected new Weighted performance
644.7
Projected new final Raw rating (if new WP > new Raw)
1222.2
Projected new highest rating
1222.2
Projected new floor
722.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1222.2
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
1254.7
Current Weighted rating
1212.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1254.7
Current highest rating achieved
1254.7
Current floor (min rating allowed)
754.7
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)
±153.4
Current Raw change used (final)
0.0
Projected new Raw rating
1254.7
Projected new Weighed rating
1116.0
Projected new Weighted performance
466.3
Projected new final Raw rating (if new WP > new Raw)
1254.7
Projected new highest rating
1254.7
Projected new floor
754.7
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1254.7
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
1118.0
Current Weighted rating
1118.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1118.0
Current highest rating achieved
1118.0
Current floor (min rating allowed)
618.0
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)
±186.4
Current Raw change used (final)
0.0
Projected new Raw rating
1118.0
Projected new Weighed rating
1028.6
Projected new Weighted performance
234.6
Projected new final Raw rating (if new WP > new Raw)
1118.0
Projected new highest rating
1118.0
Projected new floor
618.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1118.0
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
1
D4 Tshwane South District Schools Teams Chess Tournament 2024 (U19B)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1164.4
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
D4 Tshwane South District Schools Teams Chess Tournament 2024 (U19B)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1164.4
1200.0
Analysis
1
Afrikaanse Hoër Seunskool Interne Skaak KampioenskAP 2022
2022/09/22
2022/09/22
Tshwane (GTP)
Rapid
25
0.54
7
6
1.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
4
0
1
4.0
80.0
255.0
1200.4
1455.4
White
2
1
0
1
1.0
50.0
0.0
1200.9
1200.9
Black
3
3
0
0
3.0
100.0
425.0
1200.0
1625.0
Standard
All
5
4
0
1
4.0
80.0
255.0
1200.4
1455.4
White
2
1
0
1
1.0
50.0
0.0
1200.9
1200.9
Black
3
3
0
0
3.0
100.0
425.0
1200.0
1625.0
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
11
5
0
6
5.0
45.5
-38.6
1227.4
1188.8
White
5
1
0
4
1.0
20.0
-255.0
1252.3
997.3
Black
6
4
0
2
4.0
66.7
141.7
1206.7
1348.4
Standard
All
5
4
0
1
4.0
80.0
255.0
1200.4
1455.4
White
2
1
0
1
1.0
50.0
0.0
1200.9
1200.9
Black
3
3
0
0
3.0
100.0
425.0
1200.0
1625.0
Rapid
All
6
1
0
5
1.0
16.7
-283.3
1250.0
966.6
White
3
0
0
3
0.0
0.0
-425.0
1286.6
861.6
Black
3
1
0
2
1.0
33.3
-141.7
1213.4
1071.7
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
1060146874
Kruger, J (James Daniel)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1100309107
Joubert, A (Aiken)
1
1.0
1
0
0
100.0
1164.4
425.0
1589.4
View list
3
1080135388
Groenewald, R (Ruan)
1
1.0
1
0
0
100.0
1164.4
425.0
1589.4
View list
4
1070309101
De Bruyn, J (Juandré)
1
1.0
1
0
0
100.0
1164.4
425.0
1589.4
View list
5
1100309119
Sebola, S (Sechaba)
1
1.0
1
0
0
100.0
1164.4
425.0
1589.4
View list
6
1090309112
Matshinyatsimbi, T (Thendo)
1
0.0
0
0
1
0.0
1164.4
-425.0
739.4
View list
7
105092339
Kunz, D (Dirk)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
1070138288
Crouse, R (Ronald Clive)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
1060119615
Grobler, S (Stephan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
1070146870
Du Plessis, D (Des David)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
11
108092345
Dreyer, NJ (Nicolaas)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list