Chess South Africa
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Chess South Africa
De Koker, J (Juandre)
Dob:
2010/02/18 (U16)
Gender:
Male
Chess SA id:
1100149256
FIDE id:
Region:
West Rand (GWR)
Citizen:
RSA
Title(s):
Last active:
2023/07/22 (338 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
1241.0
Current Weighted rating
1236.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1241.0
Current highest rating achieved
1241.0
Current floor (min rating allowed)
741.0
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)
±156.4
Current Raw change used (final)
0.0
Projected new Raw rating
1241.0
Projected new Weighed rating
1138.0
Projected new Weighted performance
1026.1
Projected new final Raw rating (if new WP > new Raw)
1241.0
Projected new highest rating
1241.0
Projected new floor
741.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1241.0
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
1245.5
Current Weighted rating
1240.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1245.5
Current highest rating achieved
1245.5
Current floor (min rating allowed)
745.5
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)
±155.4
Current Raw change used (final)
0.0
Projected new Raw rating
1245.5
Projected new Weighed rating
1141.9
Projected new Weighted performance
1026.1
Projected new final Raw rating (if new WP > new Raw)
1245.5
Projected new highest rating
1245.5
Projected new floor
745.5
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1245.5
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
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)
±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
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.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
4
D2 School League Finals 2023 (U13)
2023/07/22
2023/07/22
West Rand (GWR)
Standard
60
0.83
5
4
2.5
1233.5
1236.9
Analysis
3
2023 West Rand RHS Open (Rooks)
2023/06/10
2023/06/10
West Rand (GWR)
Standard
60
0.83
5
5
2.0
1235.9
1241.2
Analysis
2
WR Tournament and Coaching 2023 (U14)
2023/02/25
2023/02/25
West Rand (GWR)
Standard
60
0.83
5
5
2.5
1200.0
1200.0
Analysis
1
2023 West Rand Open (U14)
2023/02/04
2023/02/04
West Rand (GWR)
Standard
60
0.83
5
5
3.0
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
19
9
2
8
10.0
52.6
22.4
1260.0
1282.4
White
12
5
1
6
5.5
45.8
-35.4
1266.9
1231.5
Black
7
4
1
2
4.5
64.3
121.4
1248.3
1369.7
Standard
All
19
9
2
8
10.0
52.6
22.4
1260.0
1282.4
White
12
5
1
6
5.5
45.8
-35.4
1266.9
1231.5
Black
7
4
1
2
4.5
64.3
121.4
1248.3
1369.7
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2110140248
Roos, S (Shani)
2
0.0
0
0
2
0.0
1218.0
-425.0
793.0
View list
2
1100149263
Rourke, E (Ethan)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1110149267
Vermeulen, R (Raegan)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1060136207
Mutsambwa, T (Trevor)
1
1.0
1
0
0
100.0
1235.9
425.0
1660.9
View list
5
1100158444
Mthembu, J (Jabulani)
1
1.0
1
0
0
100.0
1233.5
425.0
1658.5
View list
6
2100158438
Matwa, Z (Zizo)
1
1.0
1
0
0
100.0
1233.5
425.0
1658.5
View list
7
1090156316
Kgotse, T (Thoriso)
1
1.0
1
0
0
100.0
1235.9
425.0
1660.9
View list
8
1110140227
Human, H (Hanno)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
9
1110140225
De Wet, K (Kai)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
10
1110149255
De Koker, H (Hugo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
11
1100102533
Behr, A (Alexander)
1
0.5
0
1
0
50.0
1233.5
0.0
1233.5
View list
12
1100150843
Van Schalkwyk, A (Ag)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
13
1080146382
Phato, T (Thabang)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
14
1110135845
Tibane, H (Hanyani)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
15
1060149220
Sirwe, O (Oratile)
1
0.0
0
0
1
0.0
1235.9
-425.0
810.9
View list
16
1110158435
Maritz, W (Waldo Hermann)
1
0.0
0
0
1
0.0
1233.5
-425.0
808.5
View list
17
1130135848
Magagula, N (Nkosingiphile)
1
0.0
0
0
1
0.0
1235.9
-425.0
810.9
View list
18
1110102534
Esterhuizen, Z (Zane)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list