Player Page

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
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 rating1097.5
Current Weighted rating1092.1
Current Weighted performance830.3
Current official/published rating (highest between Raw, WR and WP)1097.5
Current highest rating achieved1182.1
Current floor (min rating allowed)682.1
Current K-factor40
Games played this month0
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 rating1097.5
Projected new Weighed rating1005.2
Projected new Weighted performance830.3
Projected new final Raw rating (if new WP > new Raw)1097.5
Projected new highest rating1182.1
Projected new floor682.1
Projected new K-facor40
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 rating1092.4
Current Weighted rating1085.5
Current Weighted performance830.3
Current official/published rating (highest between Raw, WR and WP)1092.4
Current highest rating achieved1178.0
Current floor (min rating allowed)678.0
Current K-factor40
Games played this month0
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 rating1092.4
Projected new Weighed rating999.2
Projected new Weighted performance830.3
Projected new final Raw rating (if new WP > new Raw)1092.4
Projected new highest rating1178.0
Projected new floor678.0
Projected new K-facor40
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
s
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
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 rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
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 rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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