Chess South Africa
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Chess South Africa
Opperman, C (Crehasia)
Dob:
2010/06/21 (U16)
Gender:
Female
Chess SA id:
2100132004
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2024/04/20 (208 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
1069.9
Current Weighted rating
1044.2
Current Weighted performance
927.2
Current official/published rating (highest between Raw, WR and WP)
1069.9
Current highest rating achieved
1133.6
Current floor (min rating allowed)
633.6
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)
±199.6
Current Raw change used (final)
0.0
Projected new Raw rating
1069.9
Projected new Weighed rating
960.5
Projected new Weighted performance
927.2
Projected new final Raw rating (if new WP > new Raw)
1069.9
Projected new highest rating
1133.6
Projected new floor
633.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1069.9
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
1064.0
Current Weighted rating
1027.5
Current Weighted performance
927.2
Current official/published rating (highest between Raw, WR and WP)
1064.0
Current highest rating achieved
1120.0
Current floor (min rating allowed)
620.0
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)
±201.3
Current Raw change used (final)
0.0
Projected new Raw rating
1064.0
Projected new Weighed rating
945.4
Projected new Weighted performance
927.2
Projected new final Raw rating (if new WP > new Raw)
1064.0
Projected new highest rating
1120.0
Projected new floor
620.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1064.0
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
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)
±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
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
2
Eden Chess Trials 2 2024 (U16)
2024/04/13
2024/04/20
Eden (WEG)
Standard
60
0.83
10
10
4.0
1040.7
1023.2
Analysis
1
Eden School Chess Trials 1 2024 (U15 Girls)
2024/03/09
2024/03/09
Eden District (WEG)
Standard
60
0.83
5
5
2.0
1008.8
979.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
6
Eden Chess Trials 2 2024 (U16)
2024/04/13
2024/04/20
Eden (WEG)
Standard
60
0.83
10
10
4.0
1040.7
1023.2
Analysis
5
Eden School Chess Trials 1 2024 (U15 Girls)
2024/03/09
2024/03/09
Eden District (WEG)
Standard
60
0.83
5
5
2.0
1008.8
979.6
Analysis
4
Eden Trials 2+3 2023 (U14)
2023/04/15
2023/05/13
Eden District (WEG)
Standard
60
0.83
10
8
1.0
1068.9
1047.6
Analysis
3
Eden Trails 1 2023 (U13 Girls)
2023/03/11
2023/03/11
Eden District (WEG)
Standard
60
0.83
5
3
1.0
1064.9
1039.2
Analysis
2
Oudussa Proewe 1 2023 (U13 Girls)
2023/02/11
2023/02/11
Eden District (WEG)
Standard
60
0.83
5
5
0.0
1133.6
1120.0
Analysis
1
Oudtshoorn Proewe 1 2020 (O11)
2020/02/15
2020/02/15
Eden District (WEG)
Standard
60
0.83
5
4
0.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
15
6
0
9
6.0
40.0
-85.0
1220.3
1135.3
White
7
3
0
4
3.0
42.9
-60.7
1229.9
1169.2
Black
8
3
0
5
3.0
37.5
-106.3
1212.0
1105.7
Standard
All
15
6
0
9
6.0
40.0
-85.0
1220.3
1135.3
White
7
3
0
4
3.0
42.9
-60.7
1229.9
1169.2
Black
8
3
0
5
3.0
37.5
-106.3
1212.0
1105.7
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
35
8
0
27
8.0
22.9
-230.7
1208.2
977.5
White
15
3
0
12
3.0
20.0
-255.0
1223.0
968.0
Black
20
5
0
15
5.0
25.0
-212.5
1197.1
984.6
Standard
All
35
8
0
27
8.0
22.9
-230.7
1208.2
977.5
White
15
3
0
12
3.0
20.0
-255.0
1223.0
968.0
Black
20
5
0
15
5.0
25.0
-212.5
1197.1
984.6
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
2090191736
Tities, N (Nickay)
2
2.0
2
0
0
100.0
1024.8
425.0
1449.8
View list
2
2100118812
Arries, J (Jizelle)
2
0.0
0
0
2
0.0
1099.3
-425.0
674.3
View list
3
1090139251
Claasen, R (Rowen)
1
1.0
1
0
0
100.0
1040.7
425.0
1465.7
View list
4
2100300771
Goliath, F (Faith-Joy)
1
1.0
1
0
0
100.0
1040.7
425.0
1465.7
View list
5
2110130748
Basson, K (Karliayah)
1
1.0
1
0
0
100.0
1068.9
425.0
1493.9
View list
6
2110149869
Korsten, D (Dominique)
1
1.0
1
0
0
100.0
1064.9
425.0
1489.9
View list
7
2100130799
Robertson, M (Melcaylinn)
1
1.0
1
0
0
100.0
1040.7
425.0
1465.7
View list
8
2100193054
Van Wyngaardt, C (Chloƫ)
1
1.0
1
0
0
100.0
1008.8
425.0
1433.8
View list
9
2110151060
Bakkies, K (Kate Lin)
1
0.0
0
0
1
0.0
1133.6
-425.0
708.6
View list
10
1090151074
Kock, Z (Ziyaad)
1
0.0
0
0
1
0.0
1040.7
-425.0
615.7
View list
11
2090109669
Kenzenie, K (Keisha)
1
0.0
0
0
1
0.0
1008.8
-425.0
583.8
View list
12
1110140963
Keleldas, F (Ferdriano)
1
0.0
0
0
1
0.0
1068.9
-425.0
643.9
View list
13
2110151063
Julies, M (Miche)
1
0.0
0
0
1
0.0
1133.6
-425.0
708.6
View list
14
1090131994
Hintza, K (Kishean)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
15
1090130777
Harris, E (Emerique)
1
0.0
0
0
1
0.0
1040.7
-425.0
615.7
View list
16
1100110342
Fielies, C (Clayton)
1
0.0
0
0
1
0.0
1068.9
-425.0
643.9
View list
17
110095377
Du Plessis, C (Callen)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
18
2100151062
Draai, T (Tammy-Ann)
1
0.0
0
0
1
0.0
1133.6
-425.0
708.6
View list
19
2100119464
Daniels, R (Richall)
1
0.0
0
0
1
0.0
1008.8
-425.0
583.8
View list
20
1090193159
Damons, H (Hakeem)
1
0.0
0
0
1
0.0
1040.7
-425.0
615.7
View list