Player Page

Roos, A (Aleza)
Dob: 2009/01/28 (U16)
Gender: Female
Chess SA id: 209085017
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/03/02 (81 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 rating1222.2
Curent Weighted rating1192.4
Curent Weighted performance1107.0
Current official/published rating (highest between Raw, WR and WP)1222.2
Current floor (min rating allowed)722.2
Current highest rating achieved1222.2
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)±160.7
Current Raw change used (final)0.0
Projected new Raw rating1222.2
Projected new Weighed rating1194.8
Projected new Weighted performance1107.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1222.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1222.2
Projected new floor722.2
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 rating1124.6
Curent Weighted rating1098.0
Curent Weighted performance919.5
Current official/published rating (highest between Raw, WR and WP)1124.6
Current floor (min rating allowed)624.6
Current highest rating achieved1124.6
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)±184.6
Current Raw change used (final)0.0
Projected new Raw rating1124.6
Projected new Weighed rating1100.3
Projected new Weighted performance919.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1124.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1124.6
Projected new floor624.6
Projected new K-facor40
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 rating1215.9
Curent Weighted rating1187.7
Curent Weighted performance1079.7
Current official/published rating (highest between Raw, WR and WP)1215.9
Current floor (min rating allowed)715.9
Current highest rating achieved1215.9
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)±162.1
Current Raw change used (final)0.0
Projected new Raw rating1215.9
Projected new Weighed rating1189.8
Projected new Weighted performance1079.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1215.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1215.9
Projected new floor715.9
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 rating600.0
Curent Weighted rating600.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)600.0
Current floor (min rating allowed)715.9
Current highest rating achieved600.0
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)±389.8
Current Raw change used (final)0.0
Projected new Raw rating600.0
Projected new Weighed rating600.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)600.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating600.0
Projected new floor715.9
Projected new K-facor40
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 Cape Winelands Schools - Prestige 2024 (U15 Girls) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 1215.0 1093.0 Analysis
1 Cape Winelands Schools - HS Trials 1 2024 (U15 Girls) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 4.0 1174.6 1163.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
26 Cape Winelands Schools - Prestige 2024 (U15 Girls) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 1215.0 1093.0 Analysis
25 Cape Winelands Schools - HS Trials 1 2024 (U15 Girls) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 4.0 1174.6 1163.1 Analysis
24 Western Cape Closed Championship 2023 (U16) 2023/09/23 2023/09/23 Cape Town (WCT) Rapid 25 0.54 6 5 1.0 1193.0 1194.3 Analysis
23 Stellenbosch Primary 2022 (U13) 2022/08/13 2022/08/13 Cape Winelands (WCW) Rapid 30 0.60 6 6 3.0 1191.3 1190.7 Analysis
22 Western Cape Schools 2022 (U13 Girls) 2022/05/28 2022/05/29 Cape Winelands (WCW) Standard 65 0.85 6 6 2.0 1176.1 1075.8 Analysis
21 Rhenish Primary Tournament 2022 (U14) 2022/05/14 2022/05/14 Cape Winelands (WCW) Rapid 30 0.60 5 5 3.0 1176.1 1155.1 Analysis
20 Cape Winelands Schools 2022 (U13 Girls) 2022/03/12 2022/03/12 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1134.3 1000.6 Analysis
19 Central Winelands Schools Individual Trials 2022 (U13 Girls) 2022/02/19 2022/02/19 Cape Winelands (WCW) Rapid 35 0.66 5 5 3.5 1095.0 1099.9 Analysis
18 Cape Winelands Schools Trials 1 2020 (U11 Girls) 2020/02/08 2020/02/08 Cape Winelands (WCW) Rapid 30 0.60 6 6 4.0 1004.4 864.4 Analysis
17 OCF Chess Tournament 2 2020 (U12) 2020/02/01 2020/02/01 Overberg (WOS) Standard 60 0.83 5 5 2.5 1004.4 945.0 Analysis
16 2019 South African Junior Team Championships (U12 Girls) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 6 2.0 1003.2 924.6 Analysis
15 Western Cape Top Schools 2019 (U11 Mix) 2019/08/31 2019/09/01 Cape Winelands (WCW) Standard 60 0.83 5 3 0.0 1038.4 955.4 Analysis
14 Cape Winelands Schools - Top Schools 2019 (U11 Mix) 2019/07/27 2019/07/27 Cape Winelands (WCW) Rapid 30 0.60 5 3 2.0 984.9 791.6 Analysis
13 Western Cape Schools Individuals 2019 (U11 Girls) 2019/05/18 2019/05/19 Eden District (WEG) Standard 60 0.83 6 6 2.5 989.2 931.4 Analysis
12 Stellenberg Youth Chess Championship 2019 (B) 2019/04/30 2019/05/01 Cape Town (WCT) Standard 60 0.83 6 5 0.0 989.2 931.4 Analysis
11 Cape Winelands Open 2019 (U12) 2019/04/27 2019/04/27 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 956.0 902.4 Analysis
10 Steinitz Chess Festival 2019 (C) 2019/04/05 2019/04/07 Cape Town (WCT) Standard 70 0.87 6 2 0.0 956.0 902.4 Analysis
9 Cape Winelands Schools Closed 2019 (U11 Girls) 2019/03/16 2019/03/17 Cape Winelands (WCW) Standard 60 0.83 7 7 3.5 871.7 783.6 Analysis
8 CW Schools Open 2019 (U11 Girls) 2019/02/02 2019/02/02 Cape Winelands (WCW) Rapid 30 0.60 6 6 3.5 795.4 652.8 Analysis
7 Cape Winelands Schools Chess - Top Schools 2018 (U9+U11 Mix) 2018/07/28 2018/07/28 Cape Winelands (WCW) Rapid 30 0.60 5 4 0.0 815.6 672.4 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 11 6 0 5 6.0 54.5 38.6 1288.6 1327.2
White 5 2 0 3 2.0 40.0 -85.0 1276.6 1191.6
Black 6 4 0 2 4.0 66.7 141.7 1298.6 1440.3
Standard All 5 2 0 3 2.0 40.0 -85.0 1334.2 1249.2
White 2 0 0 2 0.0 0.0 -425.0 1391.6 966.6
Black 3 2 0 1 2.0 66.7 141.7 1296.0 1437.6
Rapid All 6 4 0 2 4.0 66.7 141.7 1250.6 1392.3
White 3 2 0 1 2.0 66.7 141.7 1199.9 1341.6
Black 3 2 0 1 2.0 66.7 141.7 1301.2 1442.9
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 140 54 6 80 57.0 40.7 -78.9 1131.0 1052.0
White 71 24 3 44 25.5 35.9 -119.7 1126.8 1007.1
Black 69 30 3 36 31.5 45.7 -37.0 1135.3 1098.3
Standard All 85 26 4 55 28.0 32.9 -145.0 1101.4 956.4
White 42 8 2 32 9.0 21.4 -242.9 1104.8 862.0
Black 43 18 2 23 19.0 44.2 -49.4 1098.0 1048.6
Rapid All 55 28 2 25 29.0 52.7 23.2 1176.7 1199.9
White 29 16 1 12 16.5 56.9 58.6 1158.6 1217.2
Black 26 12 1 13 12.5 48.1 -16.3 1197.0 1180.6
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 209078334 Nortje, D (Dell-Maree) 6 0.5 0 1 5 8.3 864.4 -354.2 510.2 View list
2 209093050 Mente, L (Limi) 3 3.0 3 0 0 100.0 835.3 425.0 1260.3 View list
3 209093031 Ntlahla, A (Anathi) 3 2.0 2 0 1 66.7 906.5 141.7 1048.1 View list
4 209095311 Grove, E (Emily) 3 0.0 0 0 3 0.0 1071.3 -425.0 646.3 View list
5 210088278 Nieuwoudt, N (Noreht) 3 0.0 0 0 3 0.0 813.2 -425.0 388.2 View list
6 209093030 Pretorius, A (Amanda Karen) 3 0.0 0 0 3 0.0 845.7 -425.0 420.7 View list
7 2090098082 Pekeur, M (Megane) 2 2.0 2 0 0 100.0 984.9 425.0 1409.9 View list
8 2090097168 Steyn, N (Nicole) 2 2.0 2 0 0 100.0 647.7 425.0 1072.7 View list
9 2090118434 Swart, C (Charnel) 2 2.0 2 0 0 100.0 984.9 425.0 1409.9 View list
10 2090099594 Engelbrecht, J (Jane) 2 1.5 1 1 0 75.0 930.5 212.5 1143.0 View list
11 2090108623 Steenkamp, K (Kristen) 2 1.5 1 1 0 75.0 833.5 212.5 1046.0 View list
12 209084197 Crotz, K (Kirsten) 2 1.0 1 0 1 50.0 500.0 0.0 500.0 View list
13 209087792 Groenewald, A (Ancha) 2 0.0 0 0 2 0.0 685.9 -425.0 260.9 View list
14 2090097162 Neethling, A (Ashrique) 2 0.0 0 0 2 0.0 817.1 -425.0 392.1 View list
15 109078335 Samuels, R (Reagan) 2 0.0 0 0 2 0.0 984.9 -425.0 559.9 View list
16 2100119371 Van Deventer, L (Lia) 2 0.0 0 0 2 0.0 1194.8 -425.0 769.8 View list
17 108085315 Wearing, E (Ethan) 2 0.0 0 0 2 0.0 819.2 -425.0 394.2 View list
18 210086678 Botha, E (Emily) 1 1.0 1 0 0 100.0 1004.4 425.0 1429.4 View list
19 2080097087 Buis, J (Joane) 1 1.0 1 0 0 100.0 871.7 425.0 1296.7 View list
20 1090106476 Coetsee, E (Ewaldt) 1 1.0 1 0 0 100.0 1176.1 425.0 1601.1 View list