Chess South Africa
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Chess South Africa
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
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
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 rating
1222.2
Curent Weighted rating
1192.4
Curent Weighted performance
1107.0
Current official/published rating (highest between Raw, WR and WP)
1222.2
Current floor (min rating allowed)
722.2
Current highest rating achieved
1222.2
Current K-factor
36
Games played this month
0
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 rating
1222.2
Projected new Weighed rating
1194.8
Projected new Weighted performance
1107.0
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 rating
1222.2
Projected new floor
722.2
Projected new K-facor
36
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 rating
1124.6
Curent Weighted rating
1098.0
Curent Weighted performance
919.5
Current official/published rating (highest between Raw, WR and WP)
1124.6
Current floor (min rating allowed)
624.6
Current highest rating achieved
1124.6
Current K-factor
40
Games played this month
0
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 rating
1124.6
Projected new Weighed rating
1100.3
Projected new Weighted performance
919.5
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 rating
1124.6
Projected new floor
624.6
Projected new K-facor
40
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 rating
1215.9
Curent Weighted rating
1187.7
Curent Weighted performance
1079.7
Current official/published rating (highest between Raw, WR and WP)
1215.9
Current floor (min rating allowed)
715.9
Current highest rating achieved
1215.9
Current K-factor
36
Games played this month
0
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 rating
1215.9
Projected new Weighed rating
1189.8
Projected new Weighted performance
1079.7
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 rating
1215.9
Projected new floor
715.9
Projected new K-facor
36
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 rating
600.0
Curent Weighted rating
600.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
600.0
Current floor (min rating allowed)
715.9
Current highest rating achieved
600.0
Current K-factor
40
Games played this month
0
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 rating
600.0
Projected new Weighed rating
600.0
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 rating
600.0
Projected new floor
715.9
Projected new K-facor
40
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
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
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
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
1
2
Game History
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 id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
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