Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Van Niekerk, R (Ronita)
Dob:
2000/12/08 (Adult)
Gender:
Female
Chess SA id:
200040215
FIDE id:
Region:
Sedibeng (GSV)
Citizen:
RSA
Title(s):
Last active:
2023/12/08 (163 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
1197.0
Curent Weighted rating
1192.6
Curent Weighted performance
838.5
Current official/published rating (highest between Raw, WR and WP)
1197.0
Current floor (min rating allowed)
698.2
Current highest rating achieved
1198.2
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)
±166.5
Current Raw change used (final)
0.0
Projected new Raw rating
1197.0
Projected new Weighed rating
1194.0
Projected new Weighted performance
838.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1197.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1198.2
Projected new floor
698.2
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
1199.8
Curent Weighted rating
1197.8
Curent Weighted performance
837.3
Current official/published rating (highest between Raw, WR and WP)
1199.8
Current floor (min rating allowed)
704.8
Current highest rating achieved
1204.8
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)
±165.9
Current Raw change used (final)
0.0
Projected new Raw rating
1199.8
Projected new Weighed rating
1198.9
Projected new Weighted performance
837.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1199.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1204.8
Projected new floor
704.8
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
955.0
Curent Weighted rating
929.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
955.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
976.0
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)
±235.1
Current Raw change used (final)
0.0
Projected new Raw rating
955.0
Projected new Weighed rating
932.3
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
955.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
976.0
Projected new floor
500.0
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
915.2
Curent Weighted rating
915.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
915.2
Current floor (min rating allowed)
500.0
Current highest rating achieved
976.0
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)
±248.8
Current Raw change used (final)
0.0
Projected new Raw rating
915.2
Projected new Weighed rating
915.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
915.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
976.0
Projected new floor
500.0
Projected new K-facor
40
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
17
2023 USSA Championships (Ladies)
2023/12/04
2023/12/08
Ethekwini (KED)
Standard
120
1.00
9
9
4.5
1198.2
1204.8
Analysis
16
Ussa Chess Championships 2022 (Ladies)
2022/12/05
2022/12/09
Frances Baard (NCF)
Standard
120
1.00
9
9
5.0
1125.4
1135.2
Analysis
15
2019 Gauteng School League Finals (U19 Open)
2019/08/24
2019/08/24
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1079.6
1078.0
Analysis
14
D7 High School League 2019 (U19)
2019/08/03
2019/08/03
Sedibeng (GSV)
Standard
61
0.83
10
8
6.5
1079.6
1078.0
Analysis
13
South African Junior Team Championships 2018 (U16-U20 Girls)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
6
2.5
1092.8
1089.6
Analysis
12
2018 Interregion Sedibeng vs Ekurhuleni (M)
2018/11/03
2018/11/03
Sedibeng (GSV)
Standard
60
0.83
6
5
0.0
1106.7
1106.8
Analysis
11
2018 Sedibeng Summer Open (F)
2018/10/20
2018/10/20
Sedibeng (GSV)
Standard
60
0.83
5
5
4.5
1041.0
1024.8
Analysis
10
2018 Gauteng League Final (U19)
2018/08/25
2018/08/25
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1033.4
1012.8
Analysis
9
TST-MSA Tournament 2018 (B)
2018/07/21
2018/07/21
Sedibeng (GSV)
Standard
61
0.83
5
5
2.0
1082.2
1069.2
Analysis
8
Hoerskool Drie Riviere Open 2018 (B)
2018/06/09
2018/06/09
Sedibeng (GSV)
Standard
61
0.83
5
5
2.0
1156.6
1156.0
Analysis
7
Amigo Spur Eligwa Chess Open 2018 (B)
2018/05/19
2018/05/19
Sedibeng (GSV)
Standard
60
0.83
5
5
3.5
1168.6
1169.2
Analysis
6
2018 D7 Teams (U19)
2018/04/21
2018/04/21
Sedibeng (GSV)
Standard
60
0.83
5
5
4.5
942.2
963.6
Analysis
5
2018 South African Junior Closed Chess Championships (U18 Girls)
2018/04/01
2018/04/07
Chess South Africa (CSA)
Standard
120
1.00
11
11
2.0
942.2
963.6
Analysis
4
2018 - D7 High Schools Individuals (U17+U19 Girls)
2018/02/24
2018/02/24
Sedibeng (GSV)
Standard
60
0.83
5
5
4.0
838.0
838.0
Analysis
3
2018 Volkskool Open (B)
2018/02/17
2018/02/17
Sedibeng (GSV)
Standard
60
0.83
5
4
0.5
838.0
838.0
Analysis
2
South African Junior Wildcard Championships 2017 (U18+U20 Girls)
2018/01/09
2018/01/12
4 Knights (4K)
Standard
120
1.00
7
7
5.0
915.2
915.2
Analysis
1
South African Junior Team Championships 2017 (U16-U20 Girls)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
7
0.0
915.2
915.2
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
106
45
15
46
52.5
49.5
-4.0
1070.6
1066.6
White
52
22
10
20
27.0
51.9
16.3
1083.4
1099.8
Black
54
23
5
26
25.5
47.2
-23.6
1058.3
1034.7
Standard
All
106
45
15
46
52.5
49.5
-4.0
1070.6
1066.6
White
52
22
10
20
27.0
51.9
16.3
1083.4
1099.8
Black
54
23
5
26
25.5
47.2
-23.6
1058.3
1034.7
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
2020097607
Nyathi, N (Nicole)
3
2.5
2
1
0
83.3
999.1
283.3
1282.4
View list
2
101086517
Scheepers, C (Coenraad)
3
2.0
2
0
1
66.7
1079.6
141.7
1221.3
View list
3
101007993
Du Plooy, K (Konrad)
2
2.0
2
0
0
100.0
1061.6
425.0
1486.6
View list
4
299091265
Raborethe, T (Tumelo)
2
2.0
2
0
0
100.0
890.1
425.0
1315.1
View list
5
1050100365
Vermaak, D (Divan)
2
2.0
2
0
0
100.0
1079.6
425.0
1504.6
View list
6
201052281
Msiza, AS (Aurelie Sakhile)
2
1.5
1
1
0
75.0
928.7
212.5
1141.2
View list
7
203069079
Zulu, N (Nozipho)
2
1.0
1
0
1
50.0
1079.6
0.0
1079.6
View list
8
201079539
Amrouni, G (Gabrielle)
2
0.0
0
0
2
0.0
1017.5
-425.0
592.5
View list
9
200052854
Mabitsela, KM (Miranda)
2
0.0
0
0
2
0.0
1033.8
-425.0
608.8
View list
10
201038778
Van Den Berg, A (Ane)
2
0.0
0
0
2
0.0
928.7
-425.0
503.7
View list
11
201041796
Villoen, S (Sharise)
2
0.0
0
0
2
0.0
890.1
-425.0
465.1
View list
12
207061368
Goosen, M (Mignon)
1
1.0
1
0
0
100.0
1156.6
425.0
1581.6
View list
13
202008750
Emanuel, P (Prithee)
1
1.0
1
0
0
100.0
838.0
425.0
1263.0
View list
14
202077097
Chani, N (Naomi)
1
1.0
1
0
0
100.0
1168.6
425.0
1593.6
View list
15
102073156
Das, D (Deeptanshu)
1
1.0
1
0
0
100.0
1033.4
425.0
1458.4
View list
16
205087157
Coetzee, Z (Zahne)
1
1.0
1
0
0
100.0
1041.0
425.0
1466.0
View list
17
105077104
Coetzee, J (Jaco)
1
1.0
1
0
0
100.0
1041.0
425.0
1466.0
View list
18
1020102242
Hilyard, J (Justin)
1
1.0
1
0
0
100.0
1079.6
425.0
1504.6
View list
19
202060319
Iyman, J (Jaelene)
1
1.0
1
0
0
100.0
1092.8
425.0
1517.8
View list
20
201076394
Jansen, C (Casey)
1
1.0
1
0
0
100.0
1092.8
425.0
1517.8
View list