Chess South Africa
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Chess South Africa
Roos, G (Gabriella)
Dob:
2008/10/07 (U18)
Gender:
Female
Chess SA id:
208066845
FIDE id:
Region:
Sedibeng (GSV)
Citizen:
RSA
Title(s):
Last active:
2020/02/01 (1567 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
1120.9
Curent Weighted rating
1120.9
Curent Weighted performance
488.1
Current official/published rating (highest between Raw, WR and WP)
1120.9
Current floor (min rating allowed)
620.9
Current highest rating achieved
1120.9
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)
±185.6
Current Raw change used (final)
0.0
Projected new Raw rating
1120.9
Projected new Weighed rating
1120.9
Projected new Weighted performance
488.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1120.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1120.9
Projected new floor
620.9
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
1112.0
Curent Weighted rating
1112.0
Curent Weighted performance
483.1
Current official/published rating (highest between Raw, WR and WP)
1112.0
Current floor (min rating allowed)
612.0
Current highest rating achieved
1112.0
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)
±188.0
Current Raw change used (final)
0.0
Projected new Raw rating
1112.0
Projected new Weighed rating
1112.0
Projected new Weighted performance
483.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1112.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1112.0
Projected new floor
612.0
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
626.0
Curent Weighted rating
626.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
626.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
626.0
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)
±375.7
Current Raw change used (final)
0.0
Projected new Raw rating
626.0
Projected new Weighed rating
626.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
626.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
626.0
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
626.0
Curent Weighted rating
626.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
626.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
626.0
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)
±375.7
Current Raw change used (final)
0.0
Projected new Raw rating
626.0
Projected new Weighed rating
626.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
626.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
626.0
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
18
Heidelberg Open 2020 (C)
2020/02/01
2020/02/01
Sedibeng (GSV)
Standard
60
0.83
5
5
2.5
1109.3
1095.2
Analysis
17
2019 Gauteng School League Finals (U13 Girls)
2019/08/23
2019/08/23
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
943.6
943.0
Analysis
16
D7 Primary School League 2019 (Girls)
2019/08/03
2019/08/03
Sedibeng (GSV)
Standard
60
0.83
6
6
4.0
943.6
943.0
Analysis
15
D7 Individuals 2019 (U11 Girls)
2019/05/04
2019/05/04
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
891.8
877.8
Analysis
14
2019 Heidelberg Open (C)
2019/02/02
2019/02/02
Sedibeng (GSV)
Standard
120
1.00
5
5
1.0
919.8
901.4
Analysis
13
South African Junior Team Championships 2018 (U12D)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
6
2.5
1065.5
1063.8
Analysis
12
Eagle`s Open 2018 (C)
2018/12/08
2018/12/08
Sedibeng (GSV)
Standard
61
0.83
5
4
0.0
1065.5
1063.8
Analysis
11
2018 Interregion Sedibeng vs Ekurhuleni (P)
2018/11/03
2018/11/03
Sedibeng (GSV)
Standard
60
0.83
5
5
2.5
1091.7
1096.2
Analysis
10
2018 Sedibeng Summer Open (I)
2018/10/20
2018/10/20
Sedibeng (GSV)
Standard
60
0.83
5
5
4.5
1059.2
1059.0
Analysis
9
2018 Gauteng League Final (U11)
2018/08/24
2018/08/24
Tshwane (GTP)
Standard
60
0.83
5
4
2.0
1064.2
1067.4
Analysis
8
Hoerskool Drie Riviere Open 2018 (D)
2018/06/09
2018/06/09
Sedibeng (GSV)
Standard
61
0.83
5
5
3.0
1028.4
1031.8
Analysis
7
2018 Gauteng Secondary Schools Individual Chess Championships (U11 Girls)
2018/05/25
2018/05/25
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
732.8
757.2
Analysis
6
Word of Life Open 2018 (D)
2018/05/12
2018/05/12
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
732.8
757.2
Analysis
5
Heidelberg Skaak Klub 2018 (Team 11)
2018/05/05
2018/05/05
Sedibeng (GSV)
Standard
60
0.83
5
5
2.0
732.8
757.2
Analysis
4
D7 Primary School League 2023 (U11 Boys+Mixed)
2018/04/21
2018/04/21
Sedibeng (GSV)
Standard
61
0.83
5
5
4.0
622.9
625.2
Analysis
3
D7 Individual 2018 (U11 Girls)
2018/02/24
2018/02/24
Sedibeng (GSV)
Standard
61
0.83
5
5
3.0
611.6
611.6
Analysis
2
2018 Volkskool Open (E)
2018/02/17
2018/02/17
Sedibeng (GSV)
Standard
60
0.83
5
5
2.0
611.6
611.6
Analysis
1
South African Junior Team Championships 2017 (U10 Girls)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
6
2.5
626.0
626.0
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
91
43
9
39
47.5
52.2
18.7
952.6
971.3
White
48
28
3
17
29.5
61.5
97.4
924.3
1021.7
Black
43
15
6
22
18.0
41.9
-69.2
984.2
915.0
Standard
All
91
43
9
39
47.5
52.2
18.7
952.6
971.3
White
48
28
3
17
29.5
61.5
97.4
924.3
1021.7
Black
43
15
6
22
18.0
41.9
-69.2
984.2
915.0
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2080108481
Kok, S (Sydney)
3
3.0
3
0
0
100.0
998.8
425.0
1423.8
View list
2
1080100350
Beere, A (Aidan)
3
2.5
2
1
0
83.3
794.7
283.3
1078.0
View list
3
2070108498
Janse Van Rensburg, L (Lene)
2
2.0
2
0
0
100.0
943.6
425.0
1368.6
View list
4
207091197
Vogel, D (Dane)
2
2.0
2
0
0
100.0
611.6
425.0
1036.6
View list
5
207064041
Coetzee, A (Anika)
2
0.0
0
0
2
0.0
611.6
-425.0
186.6
View list
6
1070097828
Husha, O (Omphile)
2
0.0
0
0
2
0.0
677.8
-425.0
252.8
View list
7
207071071
Motloung, L (Lerato)
2
0.0
0
0
2
0.0
838.5
-425.0
413.5
View list
8
107086032
Naude, E (Enrique)
2
0.0
0
0
2
0.0
880.6
-425.0
455.6
View list
9
206091203
Smangele, G (Gladile)
2
0.0
0
0
2
0.0
943.6
-425.0
518.6
View list
10
108091991
Arlow, JP (Jp)
1
1.0
1
0
0
100.0
622.9
425.0
1047.9
View list
11
2080113613
Ackerman, B (Beulah)
1
1.0
1
0
0
100.0
891.8
425.0
1316.8
View list
12
108091411
Botha, K (Kriegler)
1
1.0
1
0
0
100.0
732.8
425.0
1157.8
View list
13
207093992
Bosley, S (Sarah-Ann)
1
1.0
1
0
0
100.0
943.6
425.0
1368.6
View list
14
1000108483
Bokang, M (Mthambo)
1
1.0
1
0
0
100.0
919.8
425.0
1344.8
View list
15
208073206
Fauconier, A (Amber)
1
1.0
1
0
0
100.0
626.0
425.0
1051.0
View list
16
2080103249
Dube, A (Amahle)
1
1.0
1
0
0
100.0
732.8
425.0
1157.8
View list
17
107083657
Kesiamang, O (Oreratile)
1
1.0
1
0
0
100.0
1065.5
425.0
1490.5
View list
18
207077136
Kleynhans, N (Nelrie)
1
1.0
1
0
0
100.0
943.6
425.0
1368.6
View list
19
207079018
Labuschagne, R (Reinhilde)
1
1.0
1
0
0
100.0
611.6
425.0
1036.6
View list
20
208060777
Mahlangu, N (Noluthando)
1
1.0
1
0
0
100.0
732.8
425.0
1157.8
View list