Chess South Africa
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Chess South Africa
Van Niekerk, J (Jacobus)
Dob:
2008/01/18 (U18)
Gender:
Male
Chess SA id:
1080161489
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2023/10/30 (240 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
1134.7
Current Weighted rating
1159.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1159.8
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)
±182.0
Current Raw change used (final)
0.0
Projected new Raw rating
1134.7
Projected new Weighed rating
1065.8
Projected new Weighted performance
583.6
Projected new final Raw rating (if new WP > new Raw)
1134.7
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)
1134.7
Projected effective change (new Official - current Official)
-25.1
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
1170.5
Current Weighted rating
1182.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1182.3
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)
±172.9
Current Raw change used (final)
0.0
Projected new Raw rating
1170.5
Projected new Weighed rating
1087.2
Projected new Weighted performance
330.7
Projected new final Raw rating (if new WP > new Raw)
1170.5
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)
1170.5
Projected effective change (new Official - current Official)
-11.8
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
1116.5
Current Weighted rating
1147.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1147.9
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)
±186.8
Current Raw change used (final)
0.0
Projected new Raw rating
1116.5
Projected new Weighed rating
1054.5
Projected new Weighted performance
332.7
Projected new final Raw rating (if new WP > new Raw)
1116.5
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)
1116.5
Projected effective change (new Official - current Official)
-31.4
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
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
3
Paarl Gimnasium Championship 2023 (A)
2023/10/24
2023/10/30
Cape Winelands (WCW)
Rapid
30
0.60
9
4
0.0
1189.6
1178.8
Analysis
2
Paarl Boys High Chess Festival 2023 (Elite Division)
2023/10/13
2023/10/14
Cape Winelands (WCW)
Standard
60
0.83
6
6
1.0
1189.6
1200.0
Analysis
1
CW Top Schools 2023 (U15 Mix)
2023/08/26
2023/08/26
Cape Winelands (WCW)
Rapid
32
0.63
5
5
2.0
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
15
3
0
12
3.0
20.0
-255.0
1297.4
1042.4
White
7
1
0
6
1.0
14.3
-303.6
1279.2
975.6
Black
8
2
0
6
2.0
25.0
-212.5
1313.4
1100.9
Standard
All
6
1
0
5
1.0
16.7
-283.3
1370.8
1087.5
White
3
1
0
2
1.0
33.3
-141.7
1381.6
1239.9
Black
3
0
0
3
0.0
0.0
-425.0
1360.0
935.0
Rapid
All
9
2
0
7
2.0
22.2
-236.1
1248.5
1012.4
White
4
0
0
4
0.0
0.0
-425.0
1202.4
777.4
Black
5
2
0
3
2.0
40.0
-85.0
1285.4
1200.4
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
1090137694
Lombaard, R (Romelio)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1080132141
Janelidze, M (Mariam)
1
1.0
1
0
0
100.0
1189.6
425.0
1614.6
View list
3
1090151236
Binnedell, H (Hendry)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1080151232
Abrahams, Q (Qasim)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1080161488
Van Der Schyff, L (Luhan)
1
0.0
0
0
1
0.0
1189.6
-425.0
764.6
View list
6
1080161487
Van Den Berg, H (Henno)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
7
1070138106
Thakersee, A (Akshay)
1
0.0
0
0
1
0.0
1189.6
-425.0
764.6
View list
8
1070161497
Steenkamp, C (Carel-Gert)
1
0.0
0
0
1
0.0
1189.6
-425.0
764.6
View list
9
1080162689
Roux, A (Adriaan)
1
0.0
0
0
1
0.0
1189.6
-425.0
764.6
View list
10
1090108767
Potgieter, W (Werne)
1
0.0
0
0
1
0.0
1189.6
-425.0
764.6
View list
11
1070146181
Petersen, J (Joshua)
1
0.0
0
0
1
0.0
1189.6
-425.0
764.6
View list
12
106060686
Greef, J (Janus)
1
0.0
0
0
1
0.0
1189.6
-425.0
764.6
View list
13
207085454
Ferreira, M (Mila)
1
0.0
0
0
1
0.0
1189.6
-425.0
764.6
View list
14
108078354
De Vos, ES (Eustace Steyn)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
15
2070147511
Caudwell, R (Renee)
1
0.0
0
0
1
0.0
1189.6
-425.0
764.6
View list