Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Roos, A (Abigail)
Dob:
2005/07/25 (U20)
Gender:
Female
Chess SA id:
205082938
FIDE id:
Region:
Sedibeng (GSV)
Citizen:
RSA
Title(s):
Last active:
2022/06/04 (713 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
1184.8
Curent Weighted rating
1184.8
Curent Weighted performance
630.5
Current official/published rating (highest between Raw, WR and WP)
1184.8
Current floor (min rating allowed)
684.8
Current highest rating achieved
1184.8
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)
±169.4
Current Raw change used (final)
0.0
Projected new Raw rating
1184.8
Projected new Weighed rating
1184.8
Projected new Weighted performance
630.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1184.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1184.8
Projected new floor
684.8
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
1194.5
Curent Weighted rating
1194.5
Curent Weighted performance
634.6
Current official/published rating (highest between Raw, WR and WP)
1194.5
Current floor (min rating allowed)
694.5
Current highest rating achieved
1194.5
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)
±167.1
Current Raw change used (final)
0.0
Projected new Raw rating
1194.5
Projected new Weighed rating
1194.5
Projected new Weighted performance
634.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1194.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1194.5
Projected new floor
694.5
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
512.0
Curent Weighted rating
512.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
512.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
512.0
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)
±441.9
Current Raw change used (final)
0.0
Projected new Raw rating
512.0
Projected new Weighed rating
512.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
512.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
512.0
Projected new floor
500.0
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
512.0
Curent Weighted rating
512.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
512.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
512.0
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)
±441.9
Current Raw change used (final)
0.0
Projected new Raw rating
512.0
Projected new Weighed rating
512.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
512.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
512.0
Projected new floor
500.0
Projected new K-facor
40
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
19
Gaueng Schools D7 2022 (U18 Girls)
2022/06/04
2022/06/04
Sedibeng (GSV)
Standard
60
0.83
5
5
3.5
1183.5
1192.5
Analysis
18
Heidelberg Open 2020 (C)
2020/02/01
2020/02/01
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1164.9
1170.1
Analysis
17
2019 Gauteng School League Finals (U15 Open)
2019/08/24
2019/08/24
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1144.6
1146.1
Analysis
16
D7 High School League 2019 (U15)
2019/08/03
2019/08/03
Sedibeng (GSV)
Standard
61
0.83
6
6
4.5
1144.6
1146.1
Analysis
15
2019 Gauteng Secondary Schools Individual Chess Championships (U15 Girls)
2019/05/25
2019/05/25
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1093.7
1092.2
Analysis
14
D7 Individuals 2019 (U15 Girls)
2019/05/04
2019/05/04
Sedibeng (GSV)
Standard
60
0.83
5
5
4.0
1093.7
1092.2
Analysis
13
2019 Heidelberg Open (C)
2019/02/02
2019/02/02
Sedibeng (GSV)
Standard
120
1.00
5
5
3.0
1007.0
1008.6
Analysis
12
South African Junior Team Championships 2018 (U16-U20 Girls)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
2.0
931.3
943.9
Analysis
11
Eagle`s Open 2018 (C)
2018/12/08
2018/12/08
Sedibeng (GSV)
Standard
61
0.83
5
5
3.0
931.3
943.9
Analysis
10
2018 Interregion Sedibeng vs Ekurhuleni (L)
2018/11/03
2018/11/03
Sedibeng (GSV)
Standard
60
0.83
5
5
4.0
887.8
888.3
Analysis
9
2018 Sedibeng Summer Open (H)
2018/10/20
2018/10/20
Sedibeng (GSV)
Standard
60
0.83
5
5
2.0
905.7
910.7
Analysis
8
2018 Gauteng League Final (U13 Girls)
2018/08/24
2018/08/24
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
905.0
906.7
Analysis
7
Hoerskool Drie Riviere Open 2018 (C)
2018/06/09
2018/06/09
Sedibeng (GSV)
Standard
61
0.83
5
5
2.5
923.6
928.3
Analysis
6
2018 Gauteng Secondary Schools Individual Chess Championships (U13 Girls)
2018/05/25
2018/05/25
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
695.3
727.2
Analysis
5
Word of Life Open 2018 (C)
2018/05/12
2018/05/12
Sedibeng (GSV)
Standard
60
0.83
5
5
2.0
695.3
727.2
Analysis
4
Heidelberg Skaak Klub 2018 (Team 10)
2018/05/05
2018/05/05
Sedibeng (GSV)
Standard
60
0.83
5
5
4.0
695.3
727.2
Analysis
3
D7 Primary School League 2023 (U9-U13 Girls)
2018/04/21
2018/04/21
Sedibeng (GSV)
Standard
61
0.83
5
5
4.0
618.6
636.8
Analysis
2
D7 Individual 2018 (U13 Girls)
2018/02/24
2018/02/24
Sedibeng (GSV)
Standard
61
0.83
5
4
4.0
529.6
529.6
Analysis
1
South African Junior Team Championships 2017 (U14 Girls)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
6
2.0
512.0
512.0
Analysis
Game History
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
98
56
4
38
58.0
59.2
78.1
955.4
1033.5
White
49
33
1
15
33.5
68.4
156.1
951.9
1108.0
Black
49
23
3
23
24.5
50.0
0.0
958.9
958.9
Standard
All
98
56
4
38
58.0
59.2
78.1
955.4
1033.5
White
49
33
1
15
33.5
68.4
156.1
951.9
1108.0
Black
49
23
3
23
24.5
50.0
0.0
958.9
958.9
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
206066091
Roos, R (Roxanne)
5
4.0
3
2
0
80.0
937.9
255.0
1192.9
View list
2
205078940
Hancke, C (Carli)
2
2.0
2
0
0
100.0
811.7
425.0
1236.7
View list
3
1040117226
Tshelwane, L (Livine)
2
2.0
2
0
0
100.0
1144.6
425.0
1569.6
View list
4
105079006
Gounden, L (Liam)
2
1.5
1
1
0
75.0
1144.6
212.5
1357.1
View list
5
1070097826
De Wet, J (James)
2
1.0
1
0
1
50.0
914.7
0.0
914.7
View list
6
206079945
Gaula, M (Mateboho)
2
1.0
1
0
1
50.0
901.0
0.0
901.0
View list
7
1040112780
Cronje, J (Jacques)
2
1.0
1
0
1
50.0
1144.6
0.0
1144.6
View list
8
1050108484
Bholo, SV (Sicelo Vuyo)
1
1.0
1
0
0
100.0
1007.0
425.0
1432.0
View list
9
206071018
Besele, N (Nomsa)
1
1.0
1
0
0
100.0
1183.5
425.0
1608.5
View list
10
108070894
Barnard, M (Martin)
1
1.0
1
0
0
100.0
931.3
425.0
1356.3
View list
11
204073350
Adams, A (Atiyyah)
1
1.0
1
0
0
100.0
512.0
425.0
937.0
View list
12
106080831
Cronje, C (Cor)
1
1.0
1
0
0
100.0
1007.0
425.0
1432.0
View list
13
205087157
Coetzee, Z (Zahne)
1
1.0
1
0
0
100.0
1093.7
425.0
1518.7
View list
14
208089371
Coetzee, G (Gisele)
1
1.0
1
0
0
100.0
931.3
425.0
1356.3
View list
15
204006460
De Jager, V (Vivica)
1
1.0
1
0
0
100.0
1093.7
425.0
1518.7
View list
16
206065188
De Beer, E (Elrize)
1
1.0
1
0
0
100.0
695.3
425.0
1120.3
View list
17
204057823
Darvall, BR (Bianca)
1
1.0
1
0
0
100.0
1144.6
425.0
1569.6
View list
18
109087166
Cronje, O (Omri)
1
1.0
1
0
0
100.0
1164.9
425.0
1589.9
View list
19
1040118298
Greyling, D (Darius)
1
1.0
1
0
0
100.0
1144.6
425.0
1569.6
View list
20
107085046
Hanekom, J (Jayden)
1
1.0
1
0
0
100.0
695.3
425.0
1120.3
View list