Chess South Africa
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Chess South Africa
Groenewald, C (Calvin)
Dob:
2009/10/28 (U16)
Gender:
Male
Chess SA id:
1090151521
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/05/11 (9 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
1018.1
Curent Weighted rating
1060.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1060.7
Current floor (min rating allowed)
660.8
Current highest rating achieved
1160.8
Current K-factor
40
Games played this month
5
Score (S)
2.0
Expected score (We)
1.33
Difference (S-We)
0.67
Current Raw change (no limits, including tournament time weight)
22.2
Current min/max change allowed (with limits)
±214.9
Current Raw change used (final)
22.2
Projected new Raw rating
1040.3
Projected new Weighed rating
1055.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1055.6
Projected effective change (new Official - current Official)
-5.0
Projected new highest rating
1160.8
Projected new floor
660.8
Projected new K-facor
40
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
994.4
Curent Weighted rating
1041.5
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1041.5
Current floor (min rating allowed)
652.4
Current highest rating achieved
1152.4
Current K-factor
40
Games played this month
5
Score (S)
2.0
Expected score (We)
1.20
Difference (S-We)
0.80
Current Raw change (no limits, including tournament time weight)
32.0
Current min/max change allowed (with limits)
±222.2
Current Raw change used (final)
32.0
Projected new Raw rating
1026.4
Projected new Weighed rating
1036.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1036.5
Projected effective change (new Official - current Official)
-5.0
Projected new highest rating
1152.4
Projected new floor
652.4
Projected new K-facor
40
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
Tournament:
2024 Gauteng North School District Individual Championships - D1 (U15 Boys)
Start:
2024/05/11
End:
2024/05/11
Host:
GTP
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
2.0
Main rating:
1018.1
Rating gain/loss:
22.2
Type rating:
994.4
Rating gain/loss:
32.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
2024 Gauteng North School District Individual Championships - D1 (U15 Boys)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1018.1
994.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
6
2024 Gauteng North School District Individual Championships - D1 (U15 Boys)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1018.1
994.4
Analysis
5
2023 Gauteng Top Schools (U15 Mixed)
2023/08/19
2023/08/19
West Rand (GWR)
Standard
60
0.83
5
5
0.0
1077.5
1056.8
Analysis
4
2023 Gauteng North School District CLOSED League Championships (D1) (U15)
2023/08/05
2023/08/05
Tshwane (GTP)
Standard
60
0.83
3
3
1.0
1077.5
1056.8
Analysis
3
2023 Gauteng North School District CLOSED Individual Championships (U15 Boys)
2023/05/13
2023/05/13
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1094.1
1072.8
Analysis
2
Silver Lakes Open Chess Tournament (C)
2023/04/15
2023/04/15
Tshwane (GTP)
Standard
60
0.83
5
5
0.0
1160.8
1152.4
Analysis
1
Chris Greyling Open Tournament 2023 (D2)
2023/03/21
2023/03/21
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
2
0
3
2.0
40.0
-85.0
1213.1
1128.1
White
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
Black
3
0
0
3
0.0
0.0
-425.0
1221.8
796.8
Standard
All
5
2
0
3
2.0
40.0
-85.0
1213.1
1128.1
White
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
Black
3
0
0
3
0.0
0.0
-425.0
1221.8
796.8
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
27
5
1
21
5.5
20.4
-251.9
1207.9
956.0
White
13
4
1
8
4.5
34.6
-130.8
1194.1
1063.3
Black
14
1
0
13
1.0
7.1
-364.3
1220.7
856.4
Standard
All
27
5
1
21
5.5
20.4
-251.9
1207.9
956.0
White
13
4
1
8
4.5
34.6
-130.8
1194.1
1063.3
Black
14
1
0
13
1.0
7.1
-364.3
1220.7
856.4
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
1100156083
Modiba, K (Kamogelo)
2
0.0
0
0
2
0.0
1077.5
-425.0
652.5
View list
2
1100304542
Sehlaha, B (Blessing)
1
1.0
1
0
0
100.0
1018.1
425.0
1443.1
View list
3
1110159684
Moya, L (Lulama)
1
1.0
1
0
0
100.0
1077.5
425.0
1502.5
View list
4
1090304539
Monyane, K (Kutlwano)
1
1.0
1
0
0
100.0
1018.1
425.0
1443.1
View list
5
1090156108
Mahlangu, J (Junior)
1
1.0
1
0
0
100.0
1094.1
425.0
1519.1
View list
6
2090152738
Van Niekerk, Z (Zani)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
1110138291
De Klerk, W (Wihan)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
8
1090154958
Shiba, L (Lindokuhle)
1
0.0
0
0
1
0.0
1094.1
-425.0
669.1
View list
9
1060112679
Shela, T (Tshepo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
1100156094
Setlwane, R (Rakgaphane)
1
0.0
0
0
1
0.0
1018.1
-425.0
593.1
View list
11
198058188
Mojela, T (Terence)
1
0.0
0
0
1
0.0
1160.8
-425.0
735.8
View list
12
1080159056
Prinsloo, G (Gareth)
1
0.0
0
0
1
0.0
1077.5
-425.0
652.5
View list
13
1090135143
Olivier, JG (Jacobus George)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
14
1090143716
Nel, J (J-Louwen)
1
0.0
0
0
1
0.0
1160.8
-425.0
735.8
View list
15
1090156109
Mahlangu, S (Sinenhlanhla)
1
0.0
0
0
1
0.0
1094.1
-425.0
669.1
View list
16
1090156103
Bhayat, J (Jaleel)
1
0.0
0
0
1
0.0
1094.1
-425.0
669.1
View list
17
1500154190
Badenhorst, M (Michael)
1
0.0
0
0
1
0.0
1160.8
-425.0
735.8
View list
18
1960154191
Le Roux, A (Arnoldus)
1
0.0
0
0
1
0.0
1160.8
-425.0
735.8
View list
19
1080161054
Koekemoer, J (James)
1
0.0
0
0
1
0.0
1077.5
-425.0
652.5
View list
20
1120149158
Fraser, J (Jacobus)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list