Chess South Africa
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Chess South Africa
Nelson, OS (Olenka Shai)
Dob:
2007/11/01 (U18)
Gender:
Female
Chess SA id:
2070096496
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2024/04/06 (39 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
1120.4
Curent Weighted rating
1127.3
Curent Weighted performance
911.5
Current official/published rating (highest between Raw, WR and WP)
1127.3
Current floor (min rating allowed)
645.4
Current highest rating achieved
1145.4
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)
±185.7
Current Raw change used (final)
0.0
Projected new Raw rating
1120.4
Projected new Weighed rating
1126.4
Projected new Weighted performance
911.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1126.4
Projected effective change (new Official - current Official)
-1.0
Projected new highest rating
1145.4
Projected new floor
645.4
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
1064.0
Curent Weighted rating
1083.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1083.8
Current floor (min rating allowed)
601.6
Current highest rating achieved
1101.6
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)
±201.3
Current Raw change used (final)
0.0
Projected new Raw rating
1064.0
Projected new Weighed rating
1081.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1081.8
Projected effective change (new Official - current Official)
-2.0
Projected new highest rating
1101.6
Projected new floor
601.6
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
1223.9
Curent Weighted rating
1216.3
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1223.9
Current floor (min rating allowed)
723.9
Current highest rating achieved
1223.9
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)
±160.3
Current Raw change used (final)
0.0
Projected new Raw rating
1223.9
Projected new Weighed rating
1216.9
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1223.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1223.9
Projected new floor
723.9
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)
723.9
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
723.9
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
2
Cape Town Junior League Qualifier 2024 (U18 Open)
2024/04/06
2024/04/06
Cape Town (WCT)
Rapid
25
0.54
6
4
2.0
1102.3
1215.6
Analysis
1
Cape Town Open Chess Championship 2024 (Beginner)
2024/03/16
2024/03/17
Cape Town (WCT)
Standard
70
0.87
6
6
2.0
1127.0
1084.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
5
Cape Town Junior League Qualifier 2024 (U18 Open)
2024/04/06
2024/04/06
Cape Town (WCT)
Rapid
25
0.54
6
4
2.0
1102.3
1215.6
Analysis
4
Cape Town Open Chess Championship 2024 (Beginner)
2024/03/16
2024/03/17
Cape Town (WCT)
Standard
70
0.87
6
6
2.0
1127.0
1084.4
Analysis
3
Cape Town Open 2023 (Intermediate)
2023/03/25
2023/03/26
Cape Town (WCT)
Standard
70
0.87
6
5
1.0
1145.4
1101.6
Analysis
2
Stellenbosch Primary 2018 (U12)
2018/09/15
2018/09/15
Cape Winelands (WCW)
Rapid
30
0.60
7
6
4.0
1118.3
1200.0
Analysis
1
District East Schools Chess Open Trials 2018 (U11)
2018/02/02
2018/02/03
Cape Town (WCT)
Standard
60
0.83
6
5
1.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
10
4
0
6
4.0
40.0
-85.0
1220.8
1135.8
White
6
3
0
3
3.0
50.0
0.0
1241.5
1241.5
Black
4
1
0
3
1.0
25.0
-212.5
1189.8
977.3
Standard
All
6
2
0
4
2.0
33.3
-141.7
1167.8
1026.1
White
3
2
0
1
2.0
66.7
141.7
1172.9
1314.5
Black
3
0
0
3
0.0
0.0
-425.0
1162.7
737.7
Rapid
All
4
2
0
2
2.0
50.0
0.0
1300.5
1300.5
White
3
1
0
2
1.0
33.3
-141.7
1310.2
1168.5
Black
1
1
0
0
1.0
100.0
425.0
1271.4
1696.4
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
0
16
10.0
38.5
-98.1
1160.2
1062.2
White
14
6
0
8
6.0
42.9
-60.7
1106.8
1046.1
Black
12
4
0
8
4.0
33.3
-141.7
1222.6
1080.9
Standard
All
16
4
0
12
4.0
25.0
-212.5
1133.8
921.3
White
8
3
0
5
3.0
37.5
-106.3
1033.3
927.1
Black
8
1
0
7
1.0
12.5
-318.8
1234.2
915.5
Rapid
All
10
6
0
4
6.0
60.0
85.0
1202.6
1287.6
White
6
3
0
3
3.0
50.0
0.0
1204.8
1204.8
Black
4
3
0
1
3.0
75.0
212.5
1199.3
1411.8
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
2080101938
Hamann, A (Annika)
1
1.0
1
0
0
100.0
1118.3
425.0
1543.3
View list
2
2070106483
Dafeti, D (Tumisang)
1
1.0
1
0
0
100.0
1118.3
425.0
1543.3
View list
3
2080301949
Cronje, T (Taytan)
1
1.0
1
0
0
100.0
1102.3
425.0
1527.3
View list
4
1120140723
Chamberlain, E (Eduan)
1
1.0
1
0
0
100.0
1127.0
425.0
1552.0
View list
5
2070096500
Julies, J (Jodi)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
2030148275
Kraai, T (Thamsanqa)
1
1.0
1
0
0
100.0
1145.4
425.0
1570.4
View list
7
1100150490
Koopstadt, T (Tristan)
1
1.0
1
0
0
100.0
1127.0
425.0
1552.0
View list
8
1090138622
Pape, J (Joshua)
1
1.0
1
0
0
100.0
1102.3
425.0
1527.3
View list
9
1080106479
Rossouw, AJ (Aj)
1
1.0
1
0
0
100.0
1118.3
425.0
1543.3
View list
10
1070101953
Samson, G (Grant)
1
1.0
1
0
0
100.0
1118.3
425.0
1543.3
View list
11
2090141163
Roto, A (Ahluma)
1
0.0
0
0
1
0.0
1127.0
-425.0
702.0
View list
12
1070106477
Rasdelhoff, J (Jordan)
1
0.0
0
0
1
0.0
1118.3
-425.0
693.3
View list
13
1830136261
Magwaza, R (Richard)
1
0.0
0
0
1
0.0
1145.4
-425.0
720.4
View list
14
1080137511
Louw, B (Ben)
1
0.0
0
0
1
0.0
1145.4
-425.0
720.4
View list
15
1080097960
Kruger, D (Daniel)
1
0.0
0
0
1
0.0
1102.3
-425.0
677.3
View list
16
1080193698
Koetser, J (Joshua)
1
0.0
0
0
1
0.0
1127.0
-425.0
702.0
View list
17
1080157942
Koegelenberg, U (Ulrich)
1
0.0
0
0
1
0.0
1127.0
-425.0
702.0
View list
18
107064703
Hess, H (Heinrich)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
19
207094666
Green, T (Tiana)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
20
2080109012
Gebu, S (Sisipho)
1
0.0
0
0
1
0.0
1145.4
-425.0
720.4
View list