Chess South Africa
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Chess South Africa
Groenewald, J (John)
Dob:
2007/06/20 (U18)
Gender:
Male
Chess SA id:
1070308388
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2024/07/27 (54 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
1146.0
Current Weighted rating
1195.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1195.7
Current highest rating achieved
1146.0
Current floor (min rating allowed)
646.0
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)
±179.1
Current Raw change used (final)
0.0
Projected new Raw rating
1146.0
Projected new Weighed rating
1099.9
Projected new Weighted performance
256.6
Projected new final Raw rating (if new WP > new Raw)
1146.0
Projected new highest rating
1146.0
Projected new floor
646.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1146.0
Projected effective change (new Official - current Official)
-49.7
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
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
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
1081.6
Current Weighted rating
1190.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1190.5
Current highest rating achieved
1081.6
Current floor (min rating allowed)
581.6
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)
±196.3
Current Raw change used (final)
0.0
Projected new Raw rating
1081.6
Projected new Weighed rating
1094.9
Projected new Weighted performance
270.1
Projected new final Raw rating (if new WP > new Raw)
1081.6
Projected new highest rating
1081.6
Projected new floor
581.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1094.9
Projected effective change (new Official - current Official)
-95.6
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
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
1
Westerford Chess Challenger 2024 (U18)
2024/07/27
2024/07/27
Cape Town (WCT)
Rapid
30
0.60
6
5
0.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
1
Westerford Chess Challenger 2024 (U18)
2024/07/27
2024/07/27
Cape Town (WCT)
Rapid
30
0.60
6
5
0.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
0
0
5
0.0
0.0
-425.0
1250.7
825.7
White
3
0
0
3
0.0
0.0
-425.0
1235.4
810.4
Black
2
0
0
2
0.0
0.0
-425.0
1273.7
848.7
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
0
0
5
0.0
0.0
-425.0
1250.7
825.7
White
3
0
0
3
0.0
0.0
-425.0
1235.4
810.4
Black
2
0
0
2
0.0
0.0
-425.0
1273.7
848.7
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
5
0
0
5
0.0
0.0
-425.0
1250.7
825.7
White
3
0
0
3
0.0
0.0
-425.0
1235.4
810.4
Black
2
0
0
2
0.0
0.0
-425.0
1273.7
848.7
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
0
0
5
0.0
0.0
-425.0
1250.7
825.7
White
3
0
0
3
0.0
0.0
-425.0
1235.4
810.4
Black
2
0
0
2
0.0
0.0
-425.0
1273.7
848.7
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
1070308395
Reeves, S (Seth)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
2
1080157927
Matthee, C (Connor)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
3
1080308391
Kebolo, M (Munkia)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
4
108069275
Gluckman, L (Levi)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1080308387
Francis, B (Blake)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list