Chess South Africa
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Chess South Africa
Erasmus, S (Sonja)
Dob:
2015/02/06 (U10)
Gender:
Female
Chess SA id:
2150156373
FIDE id:
Region:
West Rand (GWR)
Citizen:
RSA
Title(s):
Last active:
2024/05/04 (14 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
1312.5
Curent Weighted rating
1223.7
Curent Weighted performance
1304.7
Current official/published rating (highest between Raw, WR and WP)
1312.5
Current floor (min rating allowed)
812.5
Current highest rating achieved
1312.5
Current K-factor
36
Games played this month
5
Score (S)
3.0
Expected score (We)
3.17
Difference (S-We)
-0.17
Current Raw change (no limits, including tournament time weight)
-5.1
Current min/max change allowed (with limits)
±141.3
Current Raw change used (final)
-5.1
Projected new Raw rating
1307.4
Projected new Weighed rating
1231.0
Projected new Weighted performance
1304.7
Projected new official/published rating (highest between new Raw, new WR and new WP)
1307.4
Projected effective change (new Official - current Official)
-5.1
Projected new highest rating
1312.5
Projected new floor
812.5
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
1309.1
Curent Weighted rating
1224.7
Curent Weighted performance
1301.3
Current official/published rating (highest between Raw, WR and WP)
1309.1
Current floor (min rating allowed)
809.1
Current highest rating achieved
1309.1
Current K-factor
36
Games played this month
5
Score (S)
3.0
Expected score (We)
3.18
Difference (S-We)
-0.18
Current Raw change (no limits, including tournament time weight)
-6.5
Current min/max change allowed (with limits)
±141.9
Current Raw change used (final)
-6.5
Projected new Raw rating
1302.6
Projected new Weighed rating
1231.6
Projected new Weighted performance
1301.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1302.6
Projected effective change (new Official - current Official)
-6.5
Projected new highest rating
1309.1
Projected new floor
809.1
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
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1200.0
Projected new floor
700.0
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
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Tournaments
History
Tournament:
2024 D2 Schools Individuals (U9)
Start:
2024/05/04
End:
2024/05/04
Host:
GWR
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
3.0
Main rating:
1312.5
Rating gain/loss:
-5.1
Type rating:
1309.1
Rating gain/loss:
-6.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
5
2024 D2 Schools Individuals (U9)
2024/05/04
2024/05/04
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1312.5
1309.1
Analysis
4
2024 West Rand RHS Open (U10)
2024/04/13
2024/04/13
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1261.8
1276.5
Analysis
3
2024 West Rand Juniors (U10)
2024/03/09
2024/03/09
West Rand (GWR)
Standard
60
0.83
5
5
4.0
1217.3
1225.0
Analysis
2
2024 West Rand Open (U10)
2024/02/03
2024/02/03
West Rand (GWR)
Standard
60
0.83
5
5
4.0
1151.3
1143.6
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U10B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
0.0
1207.5
1202.3
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
10
2024 D2 Schools Individuals (U9)
2024/05/04
2024/05/04
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1312.5
1309.1
Analysis
9
2024 West Rand RHS Open (U10)
2024/04/13
2024/04/13
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1261.8
1276.5
Analysis
8
2024 West Rand Juniors (U10)
2024/03/09
2024/03/09
West Rand (GWR)
Standard
60
0.83
5
5
4.0
1217.3
1225.0
Analysis
7
2024 West Rand Open (U10)
2024/02/03
2024/02/03
West Rand (GWR)
Standard
60
0.83
5
5
4.0
1151.3
1143.6
Analysis
6
2024 Gauteng Inter-Region Chess Championship (U10B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
0.0
1207.5
1202.3
Analysis
5
West Rand vs Bojanala Inter-Regional Championships 2023 (U10)
2023/10/14
2023/10/14
West Rand (GWR)
Standard
60
0.83
5
5
0.0
1260.1
1266.7
Analysis
4
2023 West Rand Trials (U10)
2023/09/09
2023/09/09
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1256.8
1264.5
Analysis
3
West Rand at Bastion 2023 (U10)
2023/08/05
2023/08/05
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1235.6
1241.1
Analysis
2
2023 West Rand RHS Open (U10)
2023/06/10
2023/06/10
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1224.5
1229.2
Analysis
1
D2 Schools Individuals 2023 (U9 Boys+Girls)
2023/05/13
2023/05/13
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
24
14
0
10
14.0
58.3
70.8
1252.2
1323.1
White
12
8
0
4
8.0
66.7
141.7
1243.0
1384.6
Black
12
6
0
6
6.0
50.0
0.0
1261.5
1261.5
Standard
All
24
14
0
10
14.0
58.3
70.8
1252.2
1323.1
White
12
8
0
4
8.0
66.7
141.7
1243.0
1384.6
Black
12
6
0
6
6.0
50.0
0.0
1261.5
1261.5
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
49
26
0
23
26.0
53.1
26.0
1257.3
1283.3
White
25
13
0
12
13.0
52.0
17.0
1247.6
1264.6
Black
24
13
0
11
13.0
54.2
35.4
1267.3
1302.7
Standard
All
49
26
0
23
26.0
53.1
26.0
1257.3
1283.3
White
25
13
0
12
13.0
52.0
17.0
1247.6
1264.6
Black
24
13
0
11
13.0
54.2
35.4
1267.3
1302.7
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
1150157468
Ninham, G (Grant)
3
3.0
3
0
0
100.0
1247.7
425.0
1672.7
View list
2
1140156381
Nxumalo, T (Thando Amohelang)
2
2.0
2
0
0
100.0
1217.8
425.0
1642.8
View list
3
1150159296
Willemse, B (Bernard)
2
2.0
2
0
0
100.0
1184.3
425.0
1609.3
View list
4
1160161346
White, J (Joshua)
2
1.0
1
0
1
50.0
1184.3
0.0
1184.3
View list
5
1150149223
Botha, AZ (Adriaan Zander)
2
0.0
0
0
2
0.0
1248.7
-425.0
823.7
View list
6
1150149226
De Koker, R (Rigardt)
1
1.0
1
0
0
100.0
1224.5
425.0
1649.5
View list
7
1150301051
Carr, P (Phillip Stuart)
1
1.0
1
0
0
100.0
1261.8
425.0
1686.8
View list
8
1160149635
Gouws, P (Philip)
1
1.0
1
0
0
100.0
1151.3
425.0
1576.3
View list
9
1150303142
Gege, P (Phumlane)
1
1.0
1
0
0
100.0
1312.5
425.0
1737.5
View list
10
2160159291
Kalimashe, L (Liyabukwa)
1
1.0
1
0
0
100.0
1151.3
425.0
1576.3
View list
11
1150149229
Jordaan, L (Louryn)
1
1.0
1
0
0
100.0
1217.3
425.0
1642.3
View list
12
2140161843
Jacobs, Z (Zunique)
1
1.0
1
0
0
100.0
1256.8
425.0
1681.8
View list
13
2140161842
Jacobs, L (Lienke)
1
1.0
1
0
0
100.0
1256.8
425.0
1681.8
View list
14
2150140298
Mathabatha, B (Bubo)
1
1.0
1
0
0
100.0
1235.6
425.0
1660.6
View list
15
2140157466
Mangqayi, B (Busisiwe)
1
1.0
1
0
0
100.0
1224.5
425.0
1649.5
View list
16
1150159298
Kloppers, B (Ben)
1
1.0
1
0
0
100.0
1235.6
425.0
1660.6
View list
17
2150156380
Mostafa, S (Sumaya Sharmin)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
18
1180159293
Myburgh, M (Morne)
1
1.0
1
0
0
100.0
1151.3
425.0
1576.3
View list
19
1150302463
Oldjohn, L (Lazola)
1
1.0
1
0
0
100.0
1312.5
425.0
1737.5
View list
20
2150303147
Phantsi, N (Nina)
1
1.0
1
0
0
100.0
1312.5
425.0
1737.5
View list