Chess South Africa
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Chess South Africa
Jonker, Z (Zander)
Dob:
2007/12/29 (U18)
Gender:
Male
Chess SA id:
1070160012
FIDE id:
Region:
Bojanala Platina (NBR)
Citizen:
RSA
Title(s):
Last active:
2024/07/27 (121 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
1139.2
Current Weighted rating
1165.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1165.8
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)
±180.8
Current Raw change used (final)
0.0
Projected new Raw rating
1139.2
Projected new Weighed rating
1071.7
Projected new Weighted performance
473.4
Projected new final Raw rating (if new WP > new Raw)
1139.2
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)
1139.2
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
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
1112.9
Current Weighted rating
1152.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1152.2
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)
±187.7
Current Raw change used (final)
0.0
Projected new Raw rating
1112.9
Projected new Weighed rating
1058.8
Projected new Weighted performance
498.3
Projected new final Raw rating (if new WP > new Raw)
1112.9
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)
1112.9
Projected effective change (new Official - current Official)
-39.3
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
Bojanala's Clash Of Schools - Secondary 2024 (High School Seniors)
2024/07/27
2024/07/27
Bojanala Platina (NBR)
Rapid
35
0.66
5
5
2.0
1172.5
1162.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
Bojanala's Clash Of Schools - Secondary 2024 (High School Seniors)
2024/07/27
2024/07/27
Bojanala Platina (NBR)
Rapid
35
0.66
5
5
2.0
1172.5
1162.6
Analysis
1
Bojanala School League 2023 (U17)
2023/08/19
2023/08/19
Bojanala Platina (NBR)
Rapid
40
0.70
5
5
1.5
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
928.3
843.3
White
3
2
0
1
2.0
66.7
141.7
975.8
1117.4
Black
2
0
0
2
0.0
0.0
-425.0
857.0
432.0
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
928.3
843.3
White
3
2
0
1
2.0
66.7
141.7
975.8
1117.4
Black
2
0
0
2
0.0
0.0
-425.0
857.0
432.0
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
10
3
1
6
3.5
35.0
-127.5
1059.4
931.9
White
6
3
1
2
3.5
58.3
70.8
1087.9
1158.7
Black
4
0
0
4
0.0
0.0
-425.0
1016.6
591.6
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
10
3
1
6
3.5
35.0
-127.5
1059.4
931.9
White
6
3
1
2
3.5
58.3
70.8
1087.9
1158.7
Black
4
0
0
4
0.0
0.0
-425.0
1016.6
591.6
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
1090307428
Mashabela, O (Omphile)
1
1.0
1
0
0
100.0
1172.5
425.0
1597.5
View list
2
108083271
Lochner, C (Christiaan)
1
1.0
1
0
0
100.0
1172.5
425.0
1597.5
View list
3
1060160022
Nkuna, B (Botlhale)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1080160024
Pule, T (Thuo)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
5
107086166
Tlhowe, T (Tlotlo)
1
0.0
0
0
1
0.0
1172.5
-425.0
747.5
View list
6
2060160019
Mojela, O (Ona)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
7
1070159981
Mogosane, T (Thapelo)
1
0.0
0
0
1
0.0
1172.5
-425.0
747.5
View list
8
2060119552
Matshego, T (Tshiamo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
2070160014
Kobane, R (Relebogile)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
107093975
Coetzer, R (Ruan)
1
0.0
0
0
1
0.0
1172.5
-425.0
747.5
View list