Chess South Africa
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Chess South Africa
Grobler, N (Neil Jacobus)
Dob:
2013/02/22 (U12)
Gender:
Male
Chess SA id:
1130145698
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2023/03/18 (456 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
1139.3
Current Weighted rating
1144.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1144.5
Current highest rating achieved
1182.1
Current floor (min rating allowed)
682.1
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)
±180.8
Current Raw change used (final)
0.0
Projected new Raw rating
1139.3
Projected new Weighed rating
1052.2
Projected new Weighted performance
503.1
Projected new final Raw rating (if new WP > new Raw)
1139.3
Projected new highest rating
1182.1
Projected new floor
682.1
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1139.3
Projected effective change (new Official - current Official)
-5.2
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
1126.8
Current Weighted rating
1133.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1133.0
Current highest rating achieved
1178.0
Current floor (min rating allowed)
678.0
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)
±184.0
Current Raw change used (final)
0.0
Projected new Raw rating
1126.8
Projected new Weighed rating
1041.4
Projected new Weighted performance
503.1
Projected new final Raw rating (if new WP > new Raw)
1126.8
Projected new highest rating
1178.0
Projected new floor
678.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1126.8
Projected effective change (new Official - current Official)
-6.2
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
2
JMC 1 St Peters 2023 (D)
2023/03/18
2023/03/18
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.0
1182.1
1178.0
Analysis
1
2022 Gauteng Schools Team Championships (U9 Open)
2022/08/27
2022/08/27
Tshwane (GTP)
Standard
60
0.83
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
10
3
0
7
3.0
30.0
-170.0
1212.5
1042.5
White
6
2
0
4
2.0
33.3
-141.7
1199.4
1057.7
Black
4
1
0
3
1.0
25.0
-212.5
1232.1
1019.6
Standard
All
10
3
0
7
3.0
30.0
-170.0
1212.5
1042.5
White
6
2
0
4
2.0
33.3
-141.7
1199.4
1057.7
Black
4
1
0
3
1.0
25.0
-212.5
1232.1
1019.6
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
2140145709
Molefe, T (Thato)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1130145711
Neuhoff, H (Hanru)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1090152483
Tshuma, A (Andile)
1
1.0
1
0
0
100.0
1182.1
425.0
1607.1
View list
4
1130140204
Sehloho, T (Thandolwethu)
1
0.0
0
0
1
0.0
1182.1
-425.0
757.1
View list
5
2130141571
Pretorius, M (Mia)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
1090152479
Nel, S (Stephan)
1
0.0
0
0
1
0.0
1182.1
-425.0
757.1
View list
7
2110151809
Nel, L (Leah)
1
0.0
0
0
1
0.0
1182.1
-425.0
757.1
View list
8
1140152471
Lin, M (Marcus (zi Jie))
1
0.0
0
0
1
0.0
1182.1
-425.0
757.1
View list
9
1150139955
De Lange, M (Marcel)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
1130144992
Casimiro Van Wyk, N (Nathan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
