Chess South Africa
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Chess South Africa
Coetzee, AA (Annika Arnel)
Dob:
2006/09/26 (U20)
Gender:
Female
Chess SA id:
206093987
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2023/07/22 (327 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
1097.5
Current Weighted rating
1092.1
Current Weighted performance
830.3
Current official/published rating (highest between Raw, WR and WP)
1097.5
Current highest rating achieved
1182.1
Current floor (min rating allowed)
682.1
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)
±191.9
Current Raw change used (final)
0.0
Projected new Raw rating
1097.5
Projected new Weighed rating
1005.2
Projected new Weighted performance
830.3
Projected new final Raw rating (if new WP > new Raw)
1097.5
Projected new highest rating
1182.1
Projected new floor
682.1
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1097.5
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
1092.4
Current Weighted rating
1085.5
Current Weighted performance
830.3
Current official/published rating (highest between Raw, WR and WP)
1092.4
Current highest rating achieved
1178.0
Current floor (min rating allowed)
678.0
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)
±193.3
Current Raw change used (final)
0.0
Projected new Raw rating
1092.4
Projected new Weighed rating
999.2
Projected new Weighted performance
830.3
Projected new final Raw rating (if new WP > new Raw)
1092.4
Projected new highest rating
1178.0
Projected new floor
678.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1092.4
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.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
6
D2 School League Finals 2023 (U19 Girls)
2023/07/22
2023/07/22
West Rand (GWR)
Standard
60
0.83
5
4
2.0
1076.9
1066.0
Analysis
5
2022 Gauteng Schools Team Championships (U19 Girls)
2022/08/26
2022/08/26
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1078.2
1061.2
Analysis
4
D2 School League Finals 2022 (U18)
2022/08/20
2022/08/20
West Rand (GWR)
Standard
60
0.83
5
5
0.0
1078.2
1061.2
Analysis
3
2019 Gauteng Primary Schools Individual Chess Championships (U13 Girls)
2019/05/25
2019/05/25
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1093.5
1073.6
Analysis
2
2018 Gauteng League Final (U13)
2018/08/24
2018/08/24
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1182.1
1178.0
Analysis
1
2018 Gauteng Secondary Schools Individual Chess Championships (U13 Girls)
2018/05/25
2018/05/25
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1200.0
1200.0
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
29
10
1
18
10.5
36.2
-117.2
1144.7
1027.4
White
17
7
1
9
7.5
44.1
-50.0
1104.2
1054.2
Black
12
3
0
9
3.0
25.0
-212.5
1202.0
989.5
Standard
All
29
10
1
18
10.5
36.2
-117.2
1144.7
1027.4
White
17
7
1
9
7.5
44.1
-50.0
1104.2
1054.2
Black
12
3
0
9
3.0
25.0
-212.5
1202.0
989.5
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
206089126
Valoi, G (Gina)
2
0.0
0
0
2
0.0
1085.8
-425.0
660.8
View list
2
2050146084
Bende Mbenga, M (Monique)
1
1.0
1
0
0
100.0
1078.2
425.0
1503.2
View list
3
2060103270
Mavhungu, N (Ntokoza)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
2080158479
Mosadi, T (Tshepiso)
1
1.0
1
0
0
100.0
1076.9
425.0
1501.9
View list
5
206070765
Ndlovu, M (Mitchelle)
1
1.0
1
0
0
100.0
1093.5
425.0
1518.5
View list
6
2060146100
Mtshali, N (Nomcebo)
1
1.0
1
0
0
100.0
1078.2
425.0
1503.2
View list
7
2060146087
Lesofe, K (Katlego)
1
1.0
1
0
0
100.0
1078.2
425.0
1503.2
View list
8
206050588
Malan, C (Chanel)
1
1.0
1
0
0
100.0
1182.1
425.0
1607.1
View list
9
206081223
Litelu, D (Dineo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
10
2070158470
Chigutei, D (Dineo)
1
1.0
1
0
0
100.0
1076.9
425.0
1501.9
View list
11
2070112916
Thulo, K (Katleho)
1
1.0
1
0
0
100.0
1093.5
425.0
1518.5
View list
12
206071018
Besele, N (Nomsa)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
13
207067183
Msiwa, N (Nokuthula)
1
0.0
0
0
1
0.0
1093.5
-425.0
668.5
View list
14
1060144986
Modiba, B (Bafentswe)
1
0.0
0
0
1
0.0
1078.2
-425.0
653.2
View list
15
2070140276
Mbolongwe, N (Nonhlanhla)
1
0.0
0
0
1
0.0
1076.9
-425.0
651.9
View list
16
107092294
Mathibe, O (Onalenna)
1
0.0
0
0
1
0.0
1182.1
-425.0
757.1
View list
17
206071179
Marumo, L (Leiebogile)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
18
205081219
Marema, P (Phindile)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
19
2060117826
Letlape, KO (Kekeletso Oratile)
1
0.0
0
0
1
0.0
1078.2
-425.0
653.2
View list
20
105061707
Kula, VJ (Vuyani)
1
0.0
0
0
1
0.0
1078.2
-425.0
653.2
View list