Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Van Niekerk, J (Johan)
Dob:
1985/10/09 (Adult)
Gender:
Male
Chess SA id:
1850147574
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2023/10/21 (353 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
1232.2
Current Weighted rating
1205.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1232.2
Current highest rating achieved
1232.2
Current floor (min rating allowed)
732.2
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)
±158.4
Current Raw change used (final)
0.0
Projected new Raw rating
1232.2
Projected new Weighed rating
1109.7
Projected new Weighted performance
238.5
Projected new final Raw rating (if new WP > new Raw)
1232.2
Projected new highest rating
1232.2
Projected new floor
732.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1232.2
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
1223.7
Current Weighted rating
1202.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1223.7
Current highest rating achieved
1223.7
Current floor (min rating allowed)
723.7
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)
±160.3
Current Raw change used (final)
0.0
Projected new Raw rating
1223.7
Projected new Weighed rating
1107.7
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1223.7
Projected new floor
723.7
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1223.7
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
1107.4
Current Weighted rating
1125.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1125.1
Current highest rating achieved
1107.4
Current floor (min rating allowed)
607.4
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)
±189.2
Current Raw change used (final)
0.0
Projected new Raw rating
1107.4
Projected new Weighed rating
1033.3
Projected new Weighted performance
251.1
Projected new final Raw rating (if new WP > new Raw)
1107.4
Projected new highest rating
1107.4
Projected new floor
607.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1107.4
Projected effective change (new Official - current Official)
-17.7
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
1300.0
Current Weighted rating
1265.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1300.0
Current highest rating achieved
1300.0
Current floor (min rating allowed)
800.0
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)
±143.8
Current Raw change used (final)
0.0
Projected new Raw rating
1300.0
Projected new Weighed rating
1165.7
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1300.0
Projected new floor
800.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1300.0
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
2
Bonnievale Open Rapid 2023 (Intermediate)
2023/10/21
2023/10/21
Cape Winelands (WCW)
Rapid
25
0.54
6
6
0.0
1172.4
1200.0
Analysis
1
Robertson Strategema Club 2022 (Open)
2022/10/29
2022/10/29
Cape Winelands (WCW)
Standard
60
0.83
5
2
0.0
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
8
0
0
8
0.0
0.0
-425.0
1279.0
854.0
White
4
0
0
4
0.0
0.0
-425.0
1285.9
860.9
Black
4
0
0
4
0.0
0.0
-425.0
1272.1
847.1
Standard
All
2
0
0
2
0.0
0.0
-425.0
1270.6
845.6
White
1
0
0
1
0.0
0.0
-425.0
1346.9
921.9
Black
1
0
0
1
0.0
0.0
-425.0
1194.3
769.3
Rapid
All
6
0
0
6
0.0
0.0
-425.0
1281.8
856.8
White
3
0
0
3
0.0
0.0
-425.0
1265.6
840.6
Black
3
0
0
3
0.0
0.0
-425.0
1298.1
873.1
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
1650119397
Thompson, W (William)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
2
1020119388
Oerson, E (Ej)
1
0.0
0
0
1
0.0
1172.4
-425.0
747.4
View list
3
1090099546
Ngudle, M (Mandisi)
1
0.0
0
0
1
0.0
1172.4
-425.0
747.4
View list
4
108068744
Mfundisi, M (Mlibo)
1
0.0
0
0
1
0.0
1172.4
-425.0
747.4
View list
5
1890139702
Grater, R (Robert)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
1660143623
Du Preez, J (Johan)
1
0.0
0
0
1
0.0
1172.4
-425.0
747.4
View list
7
107078353
De Wet, M (Malcolm)
1
0.0
0
0
1
0.0
1172.4
-425.0
747.4
View list
8
1090146165
Calitz, Z (Zandre)
1
0.0
0
0
1
0.0
1172.4
-425.0
747.4
View list
