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:
2024/09/01 (63 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
Current Raw rating
1124.6
Current Weighted rating
1182.9
Current Weighted performance
1024.1
Current official/published rating (highest between Raw, WR and WP)
1182.9
Current highest rating achieved
1230.3
Current floor (min rating allowed)
730.3
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)
±184.6
Current Raw change used (final)
0.0
Projected new Raw rating
1124.6
Projected new Weighed rating
1088.0
Projected new Weighted performance
1024.1
Projected new final Raw rating (if new WP > new Raw)
1124.6
Projected new highest rating
1230.3
Projected new floor
730.3
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1124.6
Projected effective change (new Official - current Official)
-58.3
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
Current Raw rating
1063.2
Current Weighted rating
1131.4
Current Weighted performance
982.9
Current official/published rating (highest between Raw, WR and WP)
1131.4
Current highest rating achieved
1144.4
Current floor (min rating allowed)
644.4
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)
±201.5
Current Raw change used (final)
0.0
Projected new Raw rating
1063.2
Projected new Weighed rating
1039.7
Projected new Weighted performance
982.9
Projected new final Raw rating (if new WP > new Raw)
1063.2
Projected new highest rating
1144.4
Projected new floor
644.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1063.2
Projected effective change (new Official - current Official)
-68.2
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
Current Raw rating
1310.2
Current Weighted rating
1281.8
Current Weighted performance
1190.7
Current official/published rating (highest between Raw, WR and WP)
1310.2
Current highest rating achieved
1310.2
Current floor (min rating allowed)
810.2
Current K-factor
36
s
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
1180.9
Projected new Weighted performance
1190.7
Projected new final Raw rating (if new WP > new Raw)
1310.2
Projected new highest rating
1310.2
Projected new floor
810.2
Projected new K-facor
36
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
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
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
5
Western Cape Top Schools Championship 2024 (U13 Girls)
2024/08/30
2024/09/01
Eden (WEG)
Standard
60
0.83
6
5
0.0
1176.9
1116.0
Analysis
4
Pedro Booyse Top Schools Championships 2024 (U13 Girls)
2024/07/20
2024/07/20
West Coast (WCU)
Standard
60
0.83
6
6
2.0
1209.2
1144.4
Analysis
3
Western Cape PS Individuals Championship 2024 (U13 Girls)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
2.0
1224.7
1142.4
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
11
Western Cape Top Schools Championship 2024 (U13 Girls)
2024/08/30
2024/09/01
Eden (WEG)
Standard
60
0.83
6
5
0.0
1176.9
1116.0
Analysis
10
Pedro Booyse Top Schools Championships 2024 (U13 Girls)
2024/07/20
2024/07/20
West Coast (WCU)
Standard
60
0.83
6
6
2.0
1209.2
1144.4
Analysis
9
Western Cape PS Individuals Championship 2024 (U13 Girls)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
2.0
1224.7
1142.4
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
27
11
0
16
11.0
40.7
-78.7
1247.9
1169.2
White
14
4
0
10
4.0
28.6
-182.1
1277.2
1095.0
Black
13
7
0
6
7.0
53.8
32.7
1216.4
1249.1
Standard
All
17
4
0
13
4.0
23.5
-225.0
1265.4
1040.4
White
9
1
0
8
1.0
11.1
-330.6
1292.2
961.6
Black
8
3
0
5
3.0
37.5
-106.3
1235.3
1129.0
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
54
23
1
30
23.5
43.5
-55.1
1225.7
1170.6
White
29
9
0
20
9.0
31.0
-161.2
1256.4
1095.2
Black
25
14
1
10
14.5
58.0
68.0
1190.1
1258.1
Standard
All
30
8
0
22
8.0
26.7
-198.3
1249.1
1050.8
White
16
2
0
14
2.0
12.5
-318.8
1277.5
958.7
Black
14
6
0
8
6.0
42.9
-60.7
1216.7
1156.0
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
2120192540
Van Schalkwyk, J (Jayme-Lee)
3
0.0
0
0
3
0.0
1198.4
-425.0
773.4
View list
3
2100153184
Frans, T (Tiffany)
2
2.0
2
0
0
100.0
1195.8
425.0
1620.8
View list
4
2120159414
Mehlomakulu, O (Okuhle)
2
2.0
2
0
0
100.0
1209.2
425.0
1634.2
View list
5
2110111789
Owies, C (Chamica)
2
1.5
1
1
0
75.0
1195.8
212.5
1408.3
View list
6
2110099723
Cardinal, J (Jacelynn)
2
1.0
1
0
1
50.0
1205.3
0.0
1205.3
View list
7
2120119684
Moses, J (Jay-Leigh)
2
0.0
0
0
2
0.0
1181.9
-425.0
756.9
View list
8
2110103511
Philander, M (Megan)
2
0.0
0
0
2
0.0
1209.2
-425.0
784.2
View list
9
1120192533
Da Silva, J (Jeraldine)
1
1.0
1
0
0
100.0
1172.0
425.0
1597.0
View list
10
2120111379
Coetzee, C (Carli)
1
1.0
1
0
0
100.0
1139.1
425.0
1564.1
View list
11
2100153181
Christiaans, S (Shamone)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
12
2120139091
Fortuin, T (Tashnic)
1
1.0
1
0
0
100.0
1172.0
425.0
1597.0
View list
13
2110192674
Fortuin, C (Chante)
1
1.0
1
0
0
100.0
1186.0
425.0
1611.0
View list
14
2110300518
Hendricks, T (Tamia)
1
1.0
1
0
0
100.0
1186.0
425.0
1611.0
View list
15
2120192671
Brophy, K (Kettarin)
1
1.0
1
0
0
100.0
1186.0
425.0
1611.0
View list
16
2100158975
Koopman, N (Nuria)
1
1.0
1
0
0
100.0
1139.1
425.0
1564.1
View list
17
2120138444
Otto, J (Johanne)
1
1.0
1
0
0
100.0
1224.7
425.0
1649.7
View list
18
2100151350
Pieterse, J (Jay-Leigh)
1
1.0
1
0
0
100.0
1139.1
425.0
1564.1
View list
19
2120153114
Scheepers, J (Jemimah)
1
1.0
1
0
0
100.0
1172.0
425.0
1597.0
View list
20
2110153190
Slabbert, L (Lee-Shaan)
1
1.0
1
0
0
100.0
1191.6
425.0
1616.6
View list