Chess South Africa
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Chess South Africa
Naidoo, R (Rayna)
Dob:
2001/08/23 (Adult)
Gender:
Female
Chess SA id:
201026583
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2019/07/22 (1761 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
1373.5
Curent Weighted rating
1373.5
Curent Weighted performance
435.4
Current official/published rating (highest between Raw, WR and WP)
1373.5
Current floor (min rating allowed)
873.5
Current highest rating achieved
1373.5
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)
±129.5
Current Raw change used (final)
0.0
Projected new Raw rating
1373.5
Projected new Weighed rating
1373.5
Projected new Weighted performance
435.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1373.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1373.5
Projected new floor
873.5
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
1368.7
Curent Weighted rating
1368.7
Curent Weighted performance
426.5
Current official/published rating (highest between Raw, WR and WP)
1368.7
Current floor (min rating allowed)
868.7
Current highest rating achieved
1368.7
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)
±130.4
Current Raw change used (final)
0.0
Projected new Raw rating
1368.7
Projected new Weighed rating
1368.7
Projected new Weighted performance
426.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1368.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1368.7
Projected new floor
868.7
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
1220.8
Curent Weighted rating
1220.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1220.8
Current floor (min rating allowed)
732.0
Current highest rating achieved
1232.0
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)
±161.0
Current Raw change used (final)
0.0
Projected new Raw rating
1220.8
Projected new Weighed rating
1220.8
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1220.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1232.0
Projected new floor
732.0
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
1189.1
Curent Weighted rating
1189.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1189.1
Current floor (min rating allowed)
732.0
Current highest rating achieved
1232.0
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)
±168.4
Current Raw change used (final)
0.0
Projected new Raw rating
1189.1
Projected new Weighed rating
1189.1
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1189.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1232.0
Projected new floor
732.0
Projected new K-facor
36
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
16
JHB North High School League 2019
2019/02/19
2019/07/22
Chess Excellence (CEX)
Standard
60
0.83
5
2
2.0
1354.4
1344.9
Analysis
15
2018 Inter Region Chess Championships
2018/12/21
2018/12/24
4 Knights (4K)
Standard
120
1.00
7
6
1.5
1325.0
1319.0
Analysis
14
South African Junior Blitz 2018 (U18)
2018/12/19
2018/12/19
4 Knights (4K)
Blitz
5
0.18
7
7
4.0
1325.0
1220.8
Analysis
13
South African Junior Team Championships 2018 (U18A)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
5.0
1325.0
1319.0
Analysis
12
World Youth Chess Championships 2018
2018/10/20
2018/10/30
Greece (GRE)
Standard
150
1.00
11
10
3.0
1279.1
1274.4
Analysis
11
Inter Region GE vs JHB Metro 2018 (U18+U20)
2018/10/06
2018/10/06
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1279.1
1274.4
Analysis
10
JNW Club - Helpmekaar Open 2018 (B)
2018/09/15
2018/09/15
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1319.1
1324.4
Analysis
9
JNW Club - Maragon Open 2018 (B)
2018/08/04
2018/08/04
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1325.1
1332.0
Analysis
8
JHB Metro Junior Closed 2018 (Open)
2018/07/28
2018/07/29
Johannesburg Metro (GJM)
Standard
90
0.94
6
6
3.5
1332.2
1342.4
Analysis
7
2018 Capablanca Swiss (B)
2018/04/27
2018/04/29
Tshwane (GTP)
Standard
90
0.94
7
7
4.0
1215.5
1213.2
Analysis
6
2018 Chris Greyling Open (B)
2018/04/21
2018/04/21
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1215.5
1213.2
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
7.0
1215.5
1213.2
Analysis
4
JNW Club - Trinityhouse Randpark Ridge Open 2018 (B)
2018/03/24
2018/03/24
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1281.5
1293.8
Analysis
3
2018 Volkskool Open (A)
2018/02/17
2018/02/17
Sedibeng (GSV)
Standard
60
0.83
5
5
2.0
1246.2
1252.8
Analysis
2
JNW Club - Bryanston Open 2018 (B)
2018/01/26
2018/01/27
Johannesburg Metro (GJM)
Standard
65
0.85
6
6
4.0
1220.8
1220.8
Analysis
1
South African Junior Team Championships 2017 (U18A)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
6
3.0
1220.8
1220.8
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
98
45
13
40
51.5
52.6
21.7
1302.7
1324.4
White
52
25
5
22
27.5
52.9
24.5
1289.7
1314.2
Black
46
20
8
18
24.0
52.2
18.5
1317.5
1336.0
Standard
All
91
42
11
38
47.5
52.2
18.7
1296.2
1314.9
White
49
24
4
21
26.0
53.1
26.0
1290.4
1316.4
Black
42
18
7
17
21.5
51.2
10.1
1303.1
1313.2
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
7
3
2
2
4.0
57.1
60.7
1387.4
1448.1
White
3
1
1
1
1.5
50.0
0.0
1278.3
1278.3
Black
4
2
1
1
2.5
62.5
106.3
1469.3
1575.5
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
201044679
Dinham, M (Megan)
2
1.5
1
1
0
75.0
1325.0
212.5
1537.5
View list
2
102027765
Nieuwoudt, H (Hanno)
2
1.0
1
0
1
50.0
1270.3
0.0
1270.3
View list
3
201043193
Wolmarans, R (Riekie)
2
1.0
0
2
0
50.0
1230.8
0.0
1230.8
View list
4
201039926
Van Heerden, L (Lara)
2
0.5
0
1
1
25.0
1215.5
-212.5
1003.0
View list
5
102014657
Joule, EJ (Ethan)
2
0.0
0
0
2
0.0
1305.7
-425.0
880.7
View list
6
188023581
Moche, J (Johannes)
2
0.0
0
0
2
0.0
1285.6
-425.0
860.6
View list
7
107046393
Fourie, K (Keanan)
1
1.0
1
0
0
100.0
1215.5
425.0
1640.5
View list
8
200007735
Du Plessis, AC (Anika)
1
1.0
1
0
0
100.0
1215.5
425.0
1640.5
View list
9
102005069
Coertzen, D (Dylan)
1
1.0
1
0
0
100.0
1325.1
425.0
1750.1
View list
10
103071924
De Beer, T (Thinus)
1
1.0
1
0
0
100.0
1215.5
425.0
1640.5
View list
11
206006270
De Beer, MA (Mignonne)
1
1.0
1
0
0
100.0
1281.5
425.0
1706.5
View list
12
101001101
Bain, J (Jonathan)
1
1.0
1
0
0
100.0
1325.0
425.0
1750.0
View list
13
106064421
Brandt, DW (Declan William)
1
1.0
1
0
0
100.0
1220.8
425.0
1645.8
View list
14
173086742
Botha, JF (Julian)
1
1.0
1
0
0
100.0
1281.5
425.0
1706.5
View list
15
203010232
Gardiner, N (Noa)
1
1.0
1
0
0
100.0
1220.8
425.0
1645.8
View list
16
201010836
Gouws, KM (Karla)
1
1.0
1
0
0
100.0
1215.5
425.0
1640.5
View list
17
201078484
Janse Van Rensburg, N (Natasha)
1
1.0
1
0
0
100.0
1215.5
425.0
1640.5
View list
18
299014717
Jurisich, A (Ashley)
1
1.0
1
0
0
100.0
1220.8
425.0
1645.8
View list
19
201015184
Kettledas, DT (Danielle)
1
1.0
1
0
0
100.0
1215.5
425.0
1640.5
View list
20
102068280
Kippen, R (Ryan)
1
1.0
1
0
0
100.0
1325.0
425.0
1750.0
View list