Chess South Africa
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Chess South Africa
Jonker, W (William)
Dob:
2017/12/29 (U8)
Gender:
Male
Chess SA id:
1170192575
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2024/05/05 (52 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
1184.3
Current Weighted rating
1204.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1204.8
Current highest rating achieved
1234.2
Current floor (min rating allowed)
734.2
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)
±169.6
Current Raw change used (final)
0.0
Projected new Raw rating
1184.3
Projected new Weighed rating
1108.6
Projected new Weighted performance
893.6
Projected new final Raw rating (if new WP > new Raw)
1184.3
Projected new highest rating
1234.2
Projected new floor
734.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1184.3
Projected effective change (new Official - current Official)
-20.5
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
1139.6
Current Weighted rating
1195.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1195.2
Current highest rating achieved
1139.6
Current floor (min rating allowed)
639.6
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)
±180.7
Current Raw change used (final)
0.0
Projected new Raw rating
1139.6
Projected new Weighed rating
1099.4
Projected new Weighted performance
326.3
Projected new final Raw rating (if new WP > new Raw)
1139.6
Projected new highest rating
1139.6
Projected new floor
639.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1139.6
Projected effective change (new Official - current Official)
-55.6
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
1255.1
Current Weighted rating
1214.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1255.1
Current highest rating achieved
1255.1
Current floor (min rating allowed)
755.1
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)
±153.3
Current Raw change used (final)
0.0
Projected new Raw rating
1255.1
Projected new Weighed rating
1117.6
Projected new Weighted performance
766.9
Projected new final Raw rating (if new WP > new Raw)
1255.1
Projected new highest rating
1255.1
Projected new floor
755.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1255.1
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
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
3
Western Cape PS Individuals Championship 2024 (U7 Boys)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
2.0
1234.2
1200.0
Analysis
2
West Coast Schools Chess Prestige Championships 2024 (U7)
2024/03/09
2024/03/09
West Coast (WCU)
Rapid
30
0.60
5
5
3.5
1213.0
1221.6
Analysis
1
Bo-Weskus Skole Prestige 2024 (O7)
2024/02/10
2024/02/10
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
3
Western Cape PS Individuals Championship 2024 (U7 Boys)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
2.0
1234.2
1200.0
Analysis
2
West Coast Schools Chess Prestige Championships 2024 (U7)
2024/03/09
2024/03/09
West Coast (WCU)
Rapid
30
0.60
5
5
3.5
1213.0
1221.6
Analysis
1
Bo-Weskus Skole Prestige 2024 (O7)
2024/02/10
2024/02/10
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
16
7
3
6
8.5
53.1
26.6
1177.5
1204.0
White
7
4
0
3
4.0
57.1
60.7
1183.9
1244.6
Black
9
3
3
3
4.5
50.0
0.0
1172.5
1172.5
Standard
All
6
2
0
4
2.0
33.3
-141.7
1138.3
996.6
White
3
1
0
2
1.0
33.3
-141.7
1162.3
1020.7
Black
3
1
0
2
1.0
33.3
-141.7
1114.2
972.5
Rapid
All
10
5
3
2
6.5
65.0
127.5
1201.0
1328.5
White
4
3
0
1
3.0
75.0
212.5
1200.0
1412.5
Black
6
2
3
1
3.5
58.3
70.8
1201.7
1272.5
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
7
3
6
8.5
53.1
26.6
1177.5
1204.0
White
7
4
0
3
4.0
57.1
60.7
1183.9
1244.6
Black
9
3
3
3
4.5
50.0
0.0
1172.5
1172.5
Standard
All
6
2
0
4
2.0
33.3
-141.7
1138.3
996.6
White
3
1
0
2
1.0
33.3
-141.7
1162.3
1020.7
Black
3
1
0
2
1.0
33.3
-141.7
1114.2
972.5
Rapid
All
10
5
3
2
6.5
65.0
127.5
1201.0
1328.5
White
4
3
0
1
3.0
75.0
212.5
1200.0
1412.5
Black
6
2
3
1
3.5
58.3
70.8
1201.7
1272.5
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
1170192621
Fourie, D (Duan)
2
1.0
1
0
1
50.0
1223.6
0.0
1223.6
View list
2
2170192581
Van Wyk, L (Lara)
2
0.5
0
1
1
25.0
1206.5
-212.5
994.0
View list
3
1170300082
Le Roux, M (Markus)
1
1.0
1
0
0
100.0
1234.2
425.0
1659.2
View list
4
1170193202
Jacobs, S (Stefiano)
1
1.0
1
0
0
100.0
1234.2
425.0
1659.2
View list
5
1170192574
De Wee, R (Robiniquin)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
1170192573
De Klerk, F (Franquin)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
2170192579
Swartz, L (Leviah)
1
1.0
1
0
0
100.0
1213.0
425.0
1638.0
View list
8
2170192578
Skippers, D (Devedene)
1
1.0
1
0
0
100.0
1213.0
425.0
1638.0
View list
9
1170192580
Van Wyk, J (Jan)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
10
1170192627
Van Schalkwyk, L (Luke)
1
0.5
0
1
0
50.0
1213.0
0.0
1213.0
View list
11
1170153150
Vollgraaff, A (Alexander)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
12
1170149979
Saayman, J (Johannes)
1
0.0
0
0
1
0.0
1234.2
-425.0
809.2
View list
13
1170300085
Louw, S (Sarel Johannes)
1
0.0
0
0
1
0.0
1234.2
-425.0
809.2
View list
14
1170149856
Llopis Thomas, M (Matisse)
1
0.0
0
0
1
0.0
1234.2
-425.0
809.2
View list