Chess South Africa
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Chess South Africa
Opperman, K (Kelly-Ann)
Dob:
2011/03/07 (U14)
Gender:
Female
Chess SA id:
2110153189
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2024/03/09 (59 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
1224.7
Curent Weighted rating
1187.7
Curent Weighted performance
1213.6
Current official/published rating (highest between Raw, WR and WP)
1224.7
Current floor (min rating allowed)
730.3
Current highest rating achieved
1230.3
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)
±160.1
Current Raw change used (final)
0.0
Projected new Raw rating
1224.7
Projected new Weighed rating
1190.4
Projected new Weighted performance
1213.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1224.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1230.3
Projected new floor
730.3
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
1142.4
Curent Weighted rating
1151.9
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1151.9
Current floor (min rating allowed)
642.4
Current highest rating achieved
1142.4
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)
±180.0
Current Raw change used (final)
0.0
Projected new Raw rating
1142.4
Projected new Weighed rating
1150.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1150.0
Projected effective change (new Official - current Official)
-1.9
Projected new highest rating
1142.4
Projected new floor
642.4
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
1310.2
Curent Weighted rating
1250.9
Curent Weighted performance
1277.9
Current official/published rating (highest between Raw, WR and WP)
1310.2
Current floor (min rating allowed)
810.2
Current highest rating achieved
1310.2
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)
±141.7
Current Raw change used (final)
0.0
Projected new Raw rating
1310.2
Projected new Weighed rating
1257.0
Projected new Weighted performance
1277.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1310.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1310.2
Projected new floor
810.2
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)
810.2
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
810.2
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
West Coast Schools Chess Prestige Championships 2024 (U13 Girls)
2024/03/09
2024/03/09
West Coast (WCU)
Rapid
30
0.60
5
5
4.0
1186.0
1262.3
Analysis
1
Bo-Weskus Skole Prestige 2024 (O13 Dogters)
2024/02/10
2024/02/10
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1172.0
1250.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
8
West Coast Schools Chess Prestige Championships 2024 (U13 Girls)
2024/03/09
2024/03/09
West Coast (WCU)
Rapid
30
0.60
5
5
4.0
1186.0
1262.3
Analysis
7
Bo-Weskus Skole Prestige 2024 (O13 Dogters)
2024/02/10
2024/02/10
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1172.0
1250.4
Analysis
6
Western Cape Top Schools 2023 (U13 Girls)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
6
5
3.0
1139.1
1087.6
Analysis
5
Pedro Booyse Top Schools 2023 (U13)
2023/07/29
2023/07/29
West Coast (WCU)
Standard
60
0.83
5
5
1.0
1178.5
1138.8
Analysis
4
West Coast Open 2023 (Open)
2023/05/20
2023/06/03
West Coast (WCU)
Standard
90
0.94
5
3
0.0
1230.3
1200.0
Analysis
3
West Coast Schools Development Championships 2023 (U11-U15 Girls)
2023/04/22
2023/04/22
West Coast (WCU)
Rapid
30
0.60
5
4
3.0
1191.6
1185.2
Analysis
2
PRBCC Closed 2023 (B)
2023/04/15
2023/04/15
West Coast (WCU)
Rapid
35
0.66
6
5
3.0
1191.6
1185.2
Analysis
1
Bo-Weskus Skole Prestige 2023 (O13 Dogters)
2023/03/04
2023/03/04
West Coast (WCU)
Rapid
30
0.60
5
5
2.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
10
7
0
3
7.0
70.0
170.0
1218.2
1388.2
White
5
3
0
2
3.0
60.0
85.0
1250.2
1335.2
Black
5
4
0
1
4.0
80.0
255.0
1186.2
1441.2
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
10
7
0
3
7.0
70.0
170.0
1218.2
1388.2
White
5
3
0
2
3.0
60.0
85.0
1250.2
1335.2
Black
5
4
0
1
4.0
80.0
255.0
1186.2
1441.2
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
37
19
1
17
19.5
52.7
23.0
1207.5
1230.4
White
20
8
0
12
8.0
40.0
-85.0
1240.3
1155.3
Black
17
11
1
5
11.5
67.6
150.0
1168.8
1318.8
Standard
All
13
4
0
9
4.0
30.8
-163.5
1227.9
1064.4
White
7
1
0
6
1.0
14.3
-303.6
1258.6
955.0
Black
6
3
0
3
3.0
50.0
0.0
1192.0
1192.0
Rapid
All
24
15
1
8
15.5
64.6
124.0
1196.4
1320.4
White
13
7
0
6
7.0
53.8
32.7
1230.5
1263.2
Black
11
8
1
2
8.5
77.3
231.8
1156.1
1387.9
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
2110153179
Arries, G (Geroneeze)
3
2.0
2
0
1
66.7
1185.1
141.7
1326.7
View list
2
2100153184
Frans, T (Tiffany)
2
2.0
2
0
0
100.0
1195.8
425.0
1620.8
View list
3
2110111789
Owies, C (Chamica)
2
1.5
1
1
0
75.0
1195.8
212.5
1408.3
View list
4
1120192533
Da Silva, J (Jeraldine)
1
1.0
1
0
0
100.0
1172.0
425.0
1597.0
View list
5
2120111379
Coetzee, C (Carli)
1
1.0
1
0
0
100.0
1139.1
425.0
1564.1
View list
6
2100153181
Christiaans, S (Shamone)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
2120139091
Fortuin, T (Tashnic)
1
1.0
1
0
0
100.0
1172.0
425.0
1597.0
View list
8
2110192674
Fortuin, C (Chante)
1
1.0
1
0
0
100.0
1186.0
425.0
1611.0
View list
9
2110099723
Cardinal, J (Jacelynn)
1
1.0
1
0
0
100.0
1186.0
425.0
1611.0
View list
10
2120192671
Brophy, K (Kettarin)
1
1.0
1
0
0
100.0
1186.0
425.0
1611.0
View list
11
2110300518
Hendricks, T (Tamia)
1
1.0
1
0
0
100.0
1186.0
425.0
1611.0
View list
12
2100158975
Koopman, N (Nuria)
1
1.0
1
0
0
100.0
1139.1
425.0
1564.1
View list
13
2100151350
Pieterse, J (Jay-Leigh)
1
1.0
1
0
0
100.0
1139.1
425.0
1564.1
View list
14
2120153114
Scheepers, J (Jemimah)
1
1.0
1
0
0
100.0
1172.0
425.0
1597.0
View list
15
2110153190
Slabbert, L (Lee-Shaan)
1
1.0
1
0
0
100.0
1191.6
425.0
1616.6
View list
16
1100150441
Wainright, J (John-William)
1
1.0
1
0
0
100.0
1178.5
425.0
1603.5
View list
17
2090110100
Willemse, M (Mia)
1
1.0
1
0
0
100.0
1191.6
425.0
1616.6
View list
18
1130139149
Pieters, A (Aj)
1
0.0
0
0
1
0.0
1191.6
-425.0
766.6
View list
19
2110099720
Peters, C (Chantel)
1
0.0
0
0
1
0.0
1186.0
-425.0
761.0
View list
20
1060157874
Oliphant, T (Theuns)
1
0.0
0
0
1
0.0
1230.3
-425.0
805.3
View list