Player Page

Coetzee, C (Chelsy)
Dob: 2005/12/16 (U20)
Gender: Female
Chess SA id: 2050140608
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2023/09/16 (282 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 rating1144.3
Current Weighted rating1137.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1144.3
Current highest rating achieved1144.3
Current floor (min rating allowed)644.3
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)±179.5
Current Raw change used (final)0.0
Projected new Raw rating1144.3
Projected new Weighed rating1046.5
Projected new Weighted performance727.1
Projected new final Raw rating (if new WP > new Raw)1144.3
Projected new highest rating1144.3
Projected new floor644.3
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1144.3
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 rating1102.0
Current Weighted rating1102.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1102.2
Current highest rating achieved1114.4
Current floor (min rating allowed)614.4
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)±190.7
Current Raw change used (final)0.0
Projected new Raw rating1102.0
Projected new Weighed rating1014.0
Projected new Weighted performance219.7
Projected new final Raw rating (if new WP > new Raw)1102.0
Projected new highest rating1114.4
Projected new floor614.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1102.0
Projected effective change (new Official - current Official)-0.2
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 rating1144.0
Current Weighted rating1153.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1153.3
Current highest rating achieved1156.0
Current floor (min rating allowed)656.0
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)±179.6
Current Raw change used (final)0.0
Projected new Raw rating1144.0
Projected new Weighed rating1060.0
Projected new Weighted performance626.6
Projected new final Raw rating (if new WP > new Raw)1144.0
Projected new highest rating1156.0
Projected new floor656.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1144.0
Projected effective change (new Official - current Official)-9.3
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 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 Cape Town Junior Chess League Finals 2023 (U20A) 2023/09/16 2023/09/16 Cape Town (WCT) Rapid 25 0.54 7 1 1.0 1132.0 1123.2 Analysis
5 Cape Town Junior Chess League - Round 1 2023 (U20) 2023/07/22 2023/07/22 Cape Town (WCT) Rapid 25 0.54 7 7 2.0 1126.0 1156.0 Analysis
4 Cape Town Junior Chess League Q1 2023 2023/05/13 2023/05/13 Cape Town (WCT) Rapid 25 0.54 7 7 2.0 1117.1 1200.0 Analysis
3 2022 Western Province Club League (D) 2022/08/27 2022/10/01 Cape Town (WCT) Standard 70 0.87 7 3 1.0 1127.9 1114.4 Analysis
2 South African Open 2022 (U20) 2022/07/11 2022/07/13 Cape Town (WCT) Standard 90 0.94 6 0 0.0 1127.9 1114.4 Analysis
1 Western Cape Schools Chess 2022 (U18 Girls) 2022/05/07 2022/05/08 Eden District (WEG) Standard 65 0.85 6 6 2.0 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 24 8 0 16 8.0 33.3 -141.7 1260.1 1118.4
White 13 6 0 7 6.0 46.2 -32.7 1230.8 1198.1
Black 11 2 0 9 2.0 18.2 -270.5 1294.7 1024.3
Standard All 9 3 0 6 3.0 33.3 -141.7 1090.5 948.9
White 5 2 0 3 2.0 40.0 -85.0 1067.1 982.1
Black 4 1 0 3 1.0 25.0 -212.5 1119.8 907.3
Rapid All 15 5 0 10 5.0 33.3 -141.7 1361.8 1220.2
White 8 4 0 4 4.0 50.0 0.0 1333.1 1333.1
Black 7 1 0 6 1.0 14.3 -303.6 1394.7 1091.2
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 108051707 De Wit, M (Marnus) 2 0.0 0 0 2 0.0 1121.5 -425.0 696.5 View list
2 205004871 Claassen, JLA (Jay-Lee-Ann) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 204051966 Bokwana, W (Wilmarie) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1130116442 Grove, T (Tyler) 1 1.0 1 0 0 100.0 1117.1 425.0 1542.1 View list
5 1080157927 Matthee, C (Connor) 1 1.0 1 0 0 100.0 1126.0 425.0 1551.0 View list
6 1070134101 Rubusana, O (Onako) 1 1.0 1 0 0 100.0 1132.0 425.0 1557.0 View list
7 1040148205 Roji, C (Cwenga) 1 1.0 1 0 0 100.0 1126.0 425.0 1551.0 View list
8 2010147052 Quickfall, Z (Zoe) 1 1.0 1 0 0 100.0 1127.9 425.0 1552.9 View list
9 2110109006 Jacobs, T (Teleah) 1 1.0 1 0 0 100.0 1117.1 425.0 1542.1 View list
10 1760146855 Swarts, P (Paul) 1 0.0 0 0 1 0.0 1127.9 -425.0 702.9 View list
11 104086077 Herder, J (Jovanne) 1 0.0 0 0 1 0.0 1126.0 -425.0 701.0 View list
12 205080777 Haarhoff, T (Tsoanello) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
13 1070157929 Philander, A (Adam) 1 0.0 0 0 1 0.0 1126.0 -425.0 701.0 View list
14 205088959 Pekeur, A (Amy) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 1060108804 Ntukela, A (Amzolele) 1 0.0 0 0 1 0.0 1126.0 -425.0 701.0 View list
16 205088953 Ndavala, J (Jeffline) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
17 106092062 Ncethelo, B (Bongolethu) 1 0.0 0 0 1 0.0 1117.1 -425.0 692.1 View list
18 1070097558 Maruma, K (Katlego) 1 0.0 0 0 1 0.0 1117.1 -425.0 692.1 View list
19 103094510 Majija, A (Achumile) 1 0.0 0 0 1 0.0 1127.9 -425.0 702.9 View list
20 106087912 Lielieveld, F (Franco) 1 0.0 0 0 1 0.0 1126.0 -425.0 701.0 View list