Player Page

Jaap, I (Isabella)
Dob: 2006/07/26 (U20)
Gender: Female
Chess SA id: 206072029
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/04/06 (35 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
Curent Raw rating1306.2
Curent Weighted rating1316.2
Curent Weighted performance968.0
Current official/published rating (highest between Raw, WR and WP)1316.2
Current floor (min rating allowed)837.9
Current highest rating achieved1337.9
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)±142.5
Current Raw change used (final)0.0
Projected new Raw rating1306.2
Projected new Weighed rating1315.0
Projected new Weighted performance968.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1315.0
Projected effective change (new Official - current Official)-1.2
Projected new highest rating1337.9
Projected new floor837.9
Projected new K-facor36
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
Curent Raw rating1256.5
Curent Weighted rating1259.8
Curent Weighted performance674.9
Current official/published rating (highest between Raw, WR and WP)1259.8
Current floor (min rating allowed)783.9
Current highest rating achieved1283.9
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)±153.0
Current Raw change used (final)0.0
Projected new Raw rating1256.5
Projected new Weighed rating1259.1
Projected new Weighted performance674.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1259.1
Projected effective change (new Official - current Official)-0.7
Projected new highest rating1283.9
Projected new floor783.9
Projected new K-facor36
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
Curent Raw rating1217.9
Curent Weighted rating1202.4
Curent Weighted performance871.6
Current official/published rating (highest between Raw, WR and WP)1217.9
Current floor (min rating allowed)717.9
Current highest rating achieved1217.9
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)±161.6
Current Raw change used (final)0.0
Projected new Raw rating1217.9
Projected new Weighed rating1203.6
Projected new Weighted performance871.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1217.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1217.9
Projected new floor717.9
Projected new K-facor36
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
Curent Raw rating951.0
Curent Weighted rating951.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)951.0
Current floor (min rating allowed)717.9
Current highest rating achieved951.0
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)±236.4
Current Raw change used (final)0.0
Projected new Raw rating951.0
Projected new Weighed rating951.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)951.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating951.0
Projected new floor717.9
Projected new K-facor40
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 Hoerskool Strand Skaak Graderingstoernooi 2024 (U15+U18 Mixed) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 30 0.60 5 5 3.0 1314.0 1201.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
15 Hoerskool Strand Skaak Graderingstoernooi 2024 (U15+U18 Mixed) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 30 0.60 5 5 3.0 1314.0 1201.0 Analysis
14 District East Schools Chess Individual Trials 2023 (U17+U19 Girls) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 1 0.0 1337.9 1283.9 Analysis
13 Western Cape Schools Chess 2022 (U18 Girls) 2022/05/07 2022/05/08 Eden District (WEG) Standard 65 0.85 6 6 4.0 1333.6 1268.1 Analysis
12 2022 East Dist Individuals (U18) 2022/03/13 2022/03/13 Cape Town (WCT) Rapid 45 0.74 6 6 5.0 1299.0 1115.8 Analysis
11 Western Cape Top Schools 2019 (U13 Mix) 2019/08/31 2019/09/01 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1286.7 1252.2 Analysis
10 Cape Winelands Schools - Top Schools 2019 (U13 Mix) 2019/07/27 2019/07/27 Cape Winelands (WCW) Rapid 30 0.60 5 5 3.5 1283.2 1057.4 Analysis
9 Western Cape Schools Individuals 2019 (U13 Girls) 2019/05/18 2019/05/19 Eden District (WEG) Standard 60 0.83 6 6 5.0 1249.4 1166.2 Analysis
8 Cape Winelands Schools Closed 2019 (U13 Girls) 2019/03/16 2019/03/17 Cape Winelands (WCW) Standard 60 0.83 7 7 6.0 1176.4 1053.8 Analysis
7 CW Schools Open 2019 (U13 Girls) 2019/02/02 2019/02/02 Cape Winelands (WCW) Rapid 30 0.60 6 6 3.0 1196.1 1067.8 Analysis
6 Western Cape Top Schools 2018 (U13 Mix) 2018/08/25 2018/08/26 Overberg (WOS) Standard 60 0.83 5 5 5.0 1041.2 934.2 Analysis
5 Cape Winelands Schools Chess - Top Schools 2018 (U13 Mix) 2018/07/28 2018/07/28 Cape Winelands (WCW) Rapid 30 0.60 5 4 4.0 929.7 941.0 Analysis
4 Inter Regional 2018 (U14 Individual) 2018/05/04 2018/05/05 Frances Baard (NCF) Standard 60 0.83 5 5 3.5 912.8 912.6 Analysis
3 Cape Winelands Schools Prestige 2018 (U13 Girls) 2018/03/24 2018/03/25 Cape Winelands (WCW) Standard 60 0.83 7 7 4.0 991.8 951.0 Analysis
2 Cape Winelands Schools Trials 1 2018 (U13 Girls) 2018/03/03 2018/03/03 Cape Winelands (WCW) Rapid 30 0.60 6 6 3.0 991.8 1025.4 Analysis
1 Mandela Drakenstein Mgt Area Rapid Chess 2018 (Primary School) 2018/02/03 2018/02/03 Cape Winelands (WCW) Rapid 27 0.57 7 7 5.0 951.0 951.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 3 0 2 3.0 60.0 85.0 1159.9 1244.9
White 2 0 0 2 0.0 0.0 -425.0 1179.4 754.4
Black 3 3 0 0 3.0 100.0 425.0 1146.9 1571.9
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 5 3 0 2 3.0 60.0 85.0 1159.9 1244.9
White 2 0 0 2 0.0 0.0 -425.0 1179.4 754.4
Black 3 3 0 0 3.0 100.0 425.0 1146.9 1571.9
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 86 58 5 23 60.5 70.3 173.0 1050.6 1223.6
White 40 25 1 14 25.5 63.8 116.9 1043.6 1160.5
Black 46 33 4 9 35.0 76.1 221.7 1056.7 1278.4
Standard All 42 29 3 10 30.5 72.6 192.3 1056.3 1248.5
White 20 14 1 5 14.5 72.5 191.2 1041.8 1233.0
Black 22 15 2 5 16.0 72.7 193.2 1069.5 1262.7
Rapid All 44 29 2 13 30.0 68.2 154.5 1045.2 1199.8
White 20 11 0 9 11.0 55.0 42.5 1045.5 1088.0
Black 24 18 2 4 19.0 79.2 247.9 1045.0 1292.9
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 206068761 Theron, A (Anja) 3 2.0 2 0 1 66.7 1121.4 141.7 1263.1 View list
2 207086602 Bredenkamp, E (Elzaan) 2 2.0 2 0 0 100.0 1283.2 425.0 1708.2 View list
3 206088943 Fradie, F (Faith) 2 2.0 2 0 0 100.0 1268.1 425.0 1693.1 View list
4 2070097085 Joseph, H (Halle) 2 2.0 2 0 0 100.0 1283.2 425.0 1708.2 View list
5 206082107 Mpukumpa, S (Sisanda) 2 2.0 2 0 0 100.0 1283.2 425.0 1708.2 View list
6 2060106555 Phongoma, L (Lisakhanya) 2 2.0 2 0 0 100.0 1186.3 425.0 1611.3 View list
7 205082160 Qolongile, S (Sinoxolo) 2 2.0 2 0 0 100.0 991.8 425.0 1416.8 View list
8 2060096540 Diniso, S (Solulele) 2 1.5 1 1 0 75.0 1145.3 212.5 1357.8 View list
9 206078297 Demas, G (Genevieve) 2 1.0 1 0 1 50.0 1093.9 0.0 1093.9 View list
10 206049651 Augustyn, A (Anika) 2 1.0 1 0 1 50.0 991.8 0.0 991.8 View list
11 206059036 Stokes, J (Jody) 2 1.0 1 0 1 50.0 1084.1 0.0 1084.1 View list
12 1060097997 Jefthas, Z (Zairon) 2 1.0 0 2 0 50.0 1283.2 0.0 1283.2 View list
13 207085454 Ferreira, M (Mila) 2 0.0 0 0 2 0.0 1073.5 -425.0 648.5 View list
14 206059028 Neels, S (Shannon) 2 0.0 0 0 2 0.0 1093.9 -425.0 668.9 View list
15 1080103429 Winter, C (Cuthanzario) 2 0.0 0 0 2 0.0 1283.2 -425.0 858.2 View list
16 205078149 Esau, S (Shenique) 1 1.0 1 0 0 100.0 1333.6 425.0 1758.6 View list
17 205056390 Ebrahim, MB (Mumtaaz) 1 1.0 1 0 0 100.0 1041.2 425.0 1466.2 View list
18 105051983 Du Toit, A (Aidan) 1 1.0 1 0 0 100.0 1299.0 425.0 1724.0 View list
19 1000104267 Cupido, E (Ethan) 1 1.0 1 0 0 100.0 929.7 425.0 1354.7 View list
20 2060130448 Cornelius, C (Caitlin) 1 1.0 1 0 0 100.0 1314.0 425.0 1739.0 View list