Chess South Africa
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Chess South Africa
Groenewald, R (Ruan)
Dob:
2008/05/05 (U18)
Gender:
Male
Chess SA id:
1080135388
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2024/02/24 (78 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
Curent Raw rating
1201.8
Curent Weighted rating
1220.0
Curent Weighted performance
939.0
Current official/published rating (highest between Raw, WR and WP)
1220.0
Current floor (min rating allowed)
725.4
Current highest rating achieved
1225.4
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)
±165.4
Current Raw change used (final)
0.0
Projected new Raw rating
1201.8
Projected new Weighed rating
1218.3
Projected new Weighted performance
939.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1218.3
Projected effective change (new Official - current Official)
-1.7
Projected new highest rating
1225.4
Projected new floor
725.4
Projected new K-facor
36
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
Curent Raw rating
1181.3
Curent Weighted rating
1209.9
Curent Weighted performance
914.4
Current official/published rating (highest between Raw, WR and WP)
1209.9
Current floor (min rating allowed)
718.4
Current highest rating achieved
1218.4
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)
±170.3
Current Raw change used (final)
0.0
Projected new Raw rating
1181.3
Projected new Weighed rating
1207.3
Projected new Weighted performance
914.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1207.3
Projected effective change (new Official - current Official)
-2.6
Projected new highest rating
1218.4
Projected new floor
718.4
Projected new K-facor
36
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
Curent Raw rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
Curent Raw rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Grey College Team Championship 2024 (A)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
5
1.0
1225.4
1218.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
6
Grey College Team Championship 2024 (A)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
5
1.0
1225.4
1218.4
Analysis
5
2022 Gauteng Schools Team Championships (U19 Open)
2022/08/26
2022/08/26
Tshwane (GTP)
Standard
60
0.83
5
1
0.5
1225.1
1217.7
Analysis
4
2022 Gauteng Interregion (U14 Open)
2022/02/26
2022/02/26
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1223.0
1215.5
Analysis
3
Ekurhuleni Chess Open 2022 (C)
2022/01/08
2022/01/08
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1207.8
1204.0
Analysis
2
Ekurhuleni Trials (3) 2021 (U14)
2021/11/06
2021/11/06
Ekurhuleni (GE)
Standard
62
0.84
5
5
2.5
1195.7
1193.6
Analysis
1
Ekurhuleni North Schools District Finals 2021 (U13 Boys)
2021/09/11
2021/09/11
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
1
0
4
1.0
20.0
-255.0
1340.8
1085.8
White
2
0
0
2
0.0
0.0
-425.0
1419.8
994.8
Black
3
1
0
2
1.0
33.3
-141.7
1288.1
1146.5
Standard
All
5
1
0
4
1.0
20.0
-255.0
1340.8
1085.8
White
2
0
0
2
0.0
0.0
-425.0
1419.8
994.8
Black
3
1
0
2
1.0
33.3
-141.7
1288.1
1146.5
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
26
10
3
13
11.5
44.2
-49.0
1256.5
1207.5
White
11
4
1
6
4.5
40.9
-77.3
1260.2
1182.9
Black
15
6
2
7
7.0
46.7
-28.3
1253.8
1225.5
Standard
All
26
10
3
13
11.5
44.2
-49.0
1256.5
1207.5
White
11
4
1
6
4.5
40.9
-77.3
1260.2
1182.9
Black
15
6
2
7
7.0
46.7
-28.3
1253.8
1225.5
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
1090101493
Van Heerden, L (Llewellyn)
2
0.0
0
0
2
0.0
1197.8
-425.0
772.8
View list
2
2080117841
Maritz, S (Sune)
1
1.0
1
0
0
100.0
1195.7
425.0
1620.7
View list
3
1090101485
Moyo, N (Nkosana Junior)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1090134116
Mohobane, L (Lebajoa)
1
1.0
1
0
0
100.0
1225.4
425.0
1650.4
View list
5
1090135401
Phalandwa, O (Oritshidza)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
1080136704
Klaas, O (Oyintanda)
1
1.0
1
0
0
100.0
1223.0
425.0
1648.0
View list
7
2090101537
Huebsch, J (Jessica)
1
1.0
1
0
0
100.0
1195.7
425.0
1620.7
View list
8
108088646
Hawkins, J (Joshua)
1
1.0
1
0
0
100.0
1207.8
425.0
1632.8
View list
9
2050106511
De Lange, C (Cheleike)
1
1.0
1
0
0
100.0
1207.8
425.0
1632.8
View list
10
1040136324
De Goveia, D (Dominic)
1
1.0
1
0
0
100.0
1207.8
425.0
1632.8
View list
11
109086362
Yang, A (Alex)
1
1.0
1
0
0
100.0
1223.0
425.0
1648.0
View list
12
1080101241
Colan, PS (Paran Shanthan)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
13
1070146133
Ndebele, S (Sibusiso)
1
0.5
0
1
0
50.0
1225.1
0.0
1225.1
View list
14
1080107799
Du Toit, J (Jaunre)
1
0.5
0
1
0
50.0
1195.7
0.0
1195.7
View list
15
1090118184
Pieterse, EG (Erik Georg)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
16
106057282
Olivier, C (Coenraad)
1
0.0
0
0
1
0.0
1207.8
-425.0
782.8
View list
17
1060138201
Nyokong, N (Nyakallo)
1
0.0
0
0
1
0.0
1225.4
-425.0
800.4
View list
18
107086151
Nkosi, S (Siphesihle)
1
0.0
0
0
1
0.0
1207.8
-425.0
782.8
View list
19
209092636
Moalusi, P (Palesa)
1
0.0
0
0
1
0.0
1225.4
-425.0
800.4
View list
20
109092824
Labuschagne, I (Ivan)
1
0.0
0
0
1
0.0
1195.7
-425.0
770.7
View list