Player Page

Afonso, IS (Isabella)
Dob: 2008/02/15 (U18)
Gender: Female
Chess SA id: 208088220
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/03/17 (206 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 rating1260.3
Current Weighted rating1295.5
Current Weighted performance1085.1
Current official/published rating (highest between Raw, WR and WP)1295.5
Current highest rating achieved1372.0
Current floor (min rating allowed)872.0
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)±152.2
Current Raw change used (final)0.0
Projected new Raw rating1260.3
Projected new Weighed rating1191.2
Projected new Weighted performance1085.1
Projected new final Raw rating (if new WP > new Raw)1260.3
Projected new highest rating1372.0
Projected new floor872.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1260.3
Projected effective change (new Official - current Official)-35.2
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 rating1255.6
Current Weighted rating1294.5
Current Weighted performance1096.4
Current official/published rating (highest between Raw, WR and WP)1294.5
Current highest rating achieved1359.3
Current floor (min rating allowed)859.3
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)±153.2
Current Raw change used (final)0.0
Projected new Raw rating1255.6
Projected new Weighed rating1190.6
Projected new Weighted performance1096.4
Projected new final Raw rating (if new WP > new Raw)1255.6
Projected new highest rating1359.3
Projected new floor859.3
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1255.6
Projected effective change (new Official - current Official)-38.9
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 rating957.4
Current Weighted rating954.2
Current Weighted performance788.3
Current official/published rating (highest between Raw, WR and WP)957.4
Current highest rating achieved957.4
Current floor (min rating allowed)500.0
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)±234.3
Current Raw change used (final)0.0
Projected new Raw rating957.4
Projected new Weighed rating878.2
Projected new Weighted performance788.3
Projected new final Raw rating (if new WP > new Raw)957.4
Projected new highest rating957.4
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)957.4
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 rating675.0
Current Weighted rating675.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)675.0
Current highest rating achieved675.0
Current floor (min rating allowed)500.0
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)±350.3
Current Raw change used (final)0.0
Projected new Raw rating675.0
Projected new Weighed rating621.0
Projected new Weighted performance209.9
Projected new final Raw rating (if new WP > new Raw)675.0
Projected new highest rating675.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)675.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 Cape Town Open Chess Championship 2024 (Intermediate) 2024/03/16 2024/03/17 Cape Town (WCT) Standard 70 0.87 6 6 2.0 1312.9 1322.9 Analysis
1 North District School Trials 2024 (U18 Girls) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 4 1.5 1324.6 1336.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
45 Cape Town Open Chess Championship 2024 (Intermediate) 2024/03/16 2024/03/17 Cape Town (WCT) Standard 70 0.87 6 6 2.0 1312.9 1322.9 Analysis
44 North District School Trials 2024 (U18 Girls) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 4 1.5 1324.6 1336.6 Analysis
43 Paarl Boys High Chess Festival 2023 (2nd Division) 2023/10/13 2023/10/14 Cape Winelands (WCW) Standard 60 0.83 6 5 3.0 1325.8 1342.0 Analysis
42 Western Cape Closed Championship 2023 (D) 2023/09/24 2023/09/25 Cape Town (WCT) Standard 90 0.94 6 5 2.5 1354.5 1338.8 Analysis
41 Western Cape Closed Championship 2023 (U16) 2023/09/23 2023/09/23 Cape Town (WCT) Rapid 25 0.54 6 6 1.5 1354.5 939.8 Analysis
40 WP Closed 2023 (U16) 2023/06/16 2023/06/17 Cape Town (WCT) Standard 70 0.87 6 6 3.0 1372.0 1359.3 Analysis
39 Western Cape HS Individuals 2023 (U15 Girls) 2023/04/01 2023/04/02 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1329.8 1328.3 Analysis
38 Cape Town Metro Schools Chess Closed Individuals 2023 (U15 Girls) 2023/02/03 2023/03/04 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1302.0 1294.5 Analysis
37 North District School Trials 2023 (U15 Girls) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 6 5.0 1233.0 1209.2 Analysis
36 Cape of Good Hope Open 2023 (Intermediate) 2023/01/28 2023/01/29 Cape Town (WCT) Standard 70 0.87 6 6 2.0 1262.1 1236.9 Analysis
35 Western Cape Closed Championship 2022 (Open) 2022/09/24 2022/09/25 Cape Winelands (WCW) Standard 70 0.87 6 6 2.5 1284.3 1262.1 Analysis
34 Stellenberg Chess Championship 2022 (Challengers 2) 2022/06/24 2022/06/25 Cape Town (WCT) Standard 65 0.85 6 6 2.5 1292.0 1286.2 Analysis
33 WP Closed 2022 (U16) 2022/06/16 2022/06/16 Cape Town (WCT) Standard 70 0.87 6 6 3.0 1292.0 1286.2 Analysis
32 Western Cape Schools Chess 2022 (U15 Girls) 2022/05/07 2022/05/08 Eden District (WEG) Standard 65 0.85 6 6 4.0 1266.0 1262.4 Analysis
31 District North 2022 (U15) 2022/03/06 2022/03/06 Cape Town (WCT) Rapid 30 0.60 6 6 3.0 1280.5 853.8 Analysis
30 Western Province Open 2022 (Intermediate) 2022/02/26 2022/02/27 Cape Town (WCT) Standard 70 0.87 6 6 3.0 1255.7 1212.4 Analysis
29 SA National Team School Chess Championships 2022 (Girls) 2022/02/04 2022/02/05 Lejweleputswa (FLW) Standard 60 0.83 6 6 4.0 1255.7 1212.4 Analysis
28 Western Cape Schools Championship 2021 (U13 Girls) 2021/10/02 2021/10/02 Cape Town (WCT) Rapid 35 0.66 5 5 3.5 1223.9 716.2 Analysis
27 CWP Closed 2021 (Development) 2021/09/18 2021/09/19 Cape Town (WCT) Standard 70 0.87 6 5 2.0 1232.0 1227.5 Analysis
26 WP Open 2021 (Prestige) 2021/05/08 2021/05/09 Cape Town (WCT) Standard 70 0.87 6 5 0.5 1278.7 1287.3 Analysis
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 10 3 1 6 3.5 35.0 -127.5 1268.8 1141.3
White 5 2 1 2 2.5 50.0 0.0 1286.9 1286.9
Black 5 1 0 4 1.0 20.0 -255.0 1250.6 995.6
Standard All 10 3 1 6 3.5 35.0 -127.5 1268.8 1141.3
White 5 2 1 2 2.5 50.0 0.0 1286.9 1286.9
Black 5 1 0 4 1.0 20.0 -255.0 1250.6 995.6
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 254 111 14 129 118.0 46.5 -30.1 1212.2 1182.1
White 129 63 7 59 66.5 51.6 13.2 1209.3 1222.5
Black 125 48 7 70 51.5 41.2 -74.8 1215.1 1140.3
Standard All 214 97 12 105 103.0 48.1 -15.9 1204.2 1188.4
White 109 56 7 46 59.5 54.6 39.0 1204.2 1243.2
Black 105 41 5 59 43.5 41.4 -72.9 1204.3 1131.4
Rapid All 27 11 2 14 12.0 44.4 -47.2 1255.2 1208.0
White 14 6 0 8 6.0 42.9 -60.7 1251.2 1190.5
Black 13 5 2 6 6.0 46.2 -32.7 1259.5 1226.8
Blitz All 13 3 0 10 3.0 23.1 -228.8 1253.3 1024.5
White 6 1 0 5 1.0 16.7 -283.3 1205.2 921.9
Black 7 2 0 5 2.0 28.6 -182.1 1294.6 1112.5
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 208090617 Zenzile, A (Amahle) 11 0.0 0 0 11 0.0 1160.8 -425.0 735.8 View list
2 211087036 Osborne, H (Hannah) 4 2.0 2 0 2 50.0 1037.0 0.0 1037.0 View list
3 2080109012 Gebu, S (Sisipho) 4 1.5 1 1 2 37.5 1234.0 -106.3 1127.7 View list
4 2090107968 Hector, K (Kida) 3 3.0 3 0 0 100.0 1196.5 425.0 1621.5 View list
5 2080098442 October, K (Katelin) 3 1.0 1 0 2 33.3 1142.1 -141.7 1000.4 View list
6 208086084 Olkers, C (Caitlyn) 3 0.0 0 0 3 0.0 1232.7 -425.0 807.7 View list
7 2080146879 Cabane, S (Sukume) 2 2.0 2 0 0 100.0 1267.5 425.0 1692.5 View list
8 207090602 Fani, Z (Zimi) 2 2.0 2 0 0 100.0 1161.2 425.0 1586.2 View list
9 1080136265 Mdini, A (Ayakha) 2 2.0 2 0 0 100.0 1273.8 425.0 1698.8 View list
10 2080115001 Ntabeni, P (Phelisa) 2 2.0 2 0 0 100.0 1263.0 425.0 1688.0 View list
11 207058916 Pekeur, K (Kylie) 2 2.0 2 0 0 100.0 877.8 425.0 1302.8 View list
12 208087008 Vorster, M (Milla) 2 2.0 2 0 0 100.0 954.4 425.0 1379.4 View list
13 208089522 Williams, N (Nicole) 2 2.0 2 0 0 100.0 834.8 425.0 1259.8 View list
14 2070115933 Nord, J (Jade) 2 1.5 1 1 0 75.0 1155.8 212.5 1368.3 View list
15 208069933 Sihamba, S (Somila) 2 1.5 1 1 0 75.0 1278.8 212.5 1491.3 View list
16 1860106741 Botes, J (Johann) 2 1.0 1 0 1 50.0 1030.2 0.0 1030.2 View list
17 2090150223 Hagan, B (Bianca) 2 1.0 1 0 1 50.0 1307.5 0.0 1307.5 View list
18 107085509 Li, T (Traynor) 2 1.0 1 0 1 50.0 1224.7 0.0 1224.7 View list
19 2100109060 Makhasi, A (Athule) 2 1.0 1 0 1 50.0 1247.0 0.0 1247.0 View list
20 1080137512 Louw, W (Walt) 2 0.5 0 1 1 25.0 1319.4 -212.5 1106.9 View list