Chess South Africa
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Chess South Africa
Sibanda, S (Sharon)
Dob:
2005/11/22 (U20)
Gender:
Female
Chess SA id:
2050153078
FIDE id:
Region:
Sarah Baartman (ESB)
Citizen:
RSA
Title(s):
Last active:
2024/12/03 (7 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
Current Raw rating
1204.4
Current Weighted rating
1192.9
Current Weighted performance
1047.1
Current official/published rating (highest between Raw, WR and WP)
1204.4
Current highest rating achieved
1226.3
Current floor (min rating allowed)
726.3
Current K-factor
36
Games played this month
9
Score (S)
6.0
Expected score (We)
3.75
Difference (S-We)
2.25
Current Raw change (no limits, including tournament time weight)
81.0
Current min/max change allowed (with limits)
±164.8
Current Raw change used (final)
81.0
Projected new Raw rating
1285.4
Projected new Weighed rating
1097.3
Projected new Weighted performance
1182.8
Projected new final Raw rating (if new WP > new Raw)
1285.4
Projected new highest rating
1285.4
Projected new floor
785.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1285.4
Projected effective change (new Official - current Official)
+81.0
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
Current Raw rating
1194.4
Current Weighted rating
1174.1
Current Weighted performance
1047.1
Current official/published rating (highest between Raw, WR and WP)
1194.4
Current highest rating achieved
1199.2
Current floor (min rating allowed)
699.2
Current K-factor
40
Games played this month
9
Score (S)
6.0
Expected score (We)
3.58
Difference (S-We)
2.42
Current Raw change (no limits, including tournament time weight)
96.8
Current min/max change allowed (with limits)
±167.1
Current Raw change used (final)
96.8
Projected new Raw rating
1291.2
Projected new Weighed rating
1079.9
Projected new Weighted performance
1182.8
Projected new final Raw rating (if new WP > new Raw)
1291.2
Projected new highest rating
1291.2
Projected new floor
791.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1291.2
Projected effective change (new Official - current Official)
+96.8
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
Current Raw rating
1272.8
Current Weighted rating
1266.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1272.8
Current highest rating achieved
1272.8
Current floor (min rating allowed)
772.8
Current K-factor
36
s
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)
±149.5
Current Raw change used (final)
0.0
Projected new Raw rating
1272.8
Projected new Weighed rating
1165.9
Projected new Weighted performance
403.6
Projected new final Raw rating (if new WP > new Raw)
1272.8
Projected new highest rating
1272.8
Projected new floor
772.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1272.8
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
Tournaments
History
Tournament:
USSA Chess Championships 2024 (Ladies)
Start:
2024/11/29
End:
2024/12/03
Host:
GTP
Type:
Standard
Time:
120
Time weight:
1.00
Rounds:
9
Games:
9
Score:
6.0
Main rating:
1204.4
Rating gain/loss:
81.0
Type rating:
1194.4
Rating gain/loss:
96.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
USSA Chess Championships 2024 (Ladies)
2024/11/29
2024/12/03
Tshwane (GTP)
Standard
120
1.00
9
9
6.0
1204.4
1194.4
Analysis
3
EC Students Team League 2024 (Ladies)
2024/09/14
2024/10/05
Amathole (EAL)
Standard
65
0.85
7
3
2.0
1189.7
1172.4
Analysis
2
UFH Open 2024 (B)
2024/04/13
2024/04/14
Amathole (EAL)
Standard
62
0.84
7
7
2.5
1189.4
1167.6
Analysis
1
SBDCU Trial 2 2024 (Open)
2024/03/23
2024/03/23
Sarah Baartman (ESB)
Standard
62
0.84
5
5
2.0
1193.0
1170.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
11
USSA Chess Championships 2024 (Ladies)
2024/11/29
2024/12/03
Tshwane (GTP)
Standard
120
1.00
9
9
6.0
1204.4
1194.4
Analysis
10
EC Students Team League 2024 (Ladies)
2024/09/14
2024/10/05
Amathole (EAL)
Standard
65
0.85
7
3
2.0
1189.7
1172.4
Analysis
9
UFH Open 2024 (B)
2024/04/13
2024/04/14
Amathole (EAL)
Standard
62
0.84
7
7
2.5
1189.4
1167.6
Analysis
8
SBDCU Trial 2 2024 (Open)
2024/03/23
2024/03/23
Sarah Baartman (ESB)
Standard
62
0.84
5
5
2.0
1193.0
1170.0
Analysis
7
2023 USSA Championships (Ladies)
2023/12/04
2023/12/08
Ethekwini (KED)
Standard
120
1.00
9
9
4.5
1153.8
1110.0
Analysis
6
Eastern Cape Chess Team Championship 2023 (Open)
2023/10/07
2023/10/08
Sarah Baartman (ESB)
Standard
65
0.85
5
5
1.0
1226.3
1189.6
Analysis
5
Eastern Cape Provincial Individual Championship 2023 (U20 Boys+Girls)
2023/10/05
2023/10/06
Nelson Mandela Bay (ENM)
Standard
65
0.85
7
7
3.0
1226.3
1189.6
Analysis
4
EC InterVarsity Chess Championship 2023 (Ladies)
2023/08/11
2023/08/11
Sarah Baartman (ESB)
Rapid
20
0.47
6
6
5.0
1191.5
1200.0
Analysis
3
SBDCU Closed Trials 2023 (Open)
2023/07/28
2023/07/29
Sarah Baartman (ESB)
Standard
65
0.85
6
4
0.5
1199.3
1199.2
Analysis
2
Rhodes Chess Club Invitational 2023 (B)
2023/07/22
2023/07/22
Sarah Baartman (ESB)
Standard
62
0.84
5
5
3.0
1199.3
1199.2
Analysis
1
SBDCU Trial 2 2023 (Open)
2023/04/01
2023/04/01
Sarah Baartman (ESB)
Standard
62
0.84
5
4
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
24
11
3
10
12.5
52.1
17.7
1274.2
1291.9
White
13
7
1
5
7.5
57.7
65.4
1309.4
1374.8
Black
11
4
2
5
5.0
45.5
-38.6
1232.6
1194.0
Standard
All
24
11
3
10
12.5
52.1
17.7
1274.2
1291.9
White
13
7
1
5
7.5
57.7
65.4
1309.4
1374.8
Black
11
4
2
5
5.0
45.5
-38.6
1232.6
1194.0
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
64
29
5
30
31.5
49.2
-6.6
1243.6
1237.0
White
32
17
2
13
18.0
56.3
53.1
1237.0
1290.1
Black
32
12
3
17
13.5
42.2
-66.4
1250.2
1183.8
Standard
All
58
24
5
29
26.5
45.7
-36.6
1251.2
1214.6
White
29
14
2
13
15.0
51.7
14.7
1247.5
1262.1
Black
29
10
3
16
11.5
39.7
-87.9
1255.0
1167.0
Rapid
All
6
5
0
1
5.0
83.3
283.3
1169.9
1453.2
White
3
3
0
0
3.0
100.0
425.0
1135.7
1560.7
Black
3
2
0
1
2.0
66.7
141.7
1204.0
1345.7
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
2050159434
Mokhosi, P (Pulane)
2
2.0
2
0
0
100.0
1191.5
425.0
1616.5
View list
2
2010151840
Phosa, L (Lerato)
2
2.0
2
0
0
100.0
1179.1
425.0
1604.1
View list
3
203088628
Mahlangu, A (Ayanda)
2
1.5
1
1
0
75.0
1199.3
212.5
1411.8
View list
4
2050134002
Booysen, T (Tamia)
2
1.0
1
0
1
50.0
1212.8
0.0
1212.8
View list
5
2020134258
Mbaba, Z (Zinathi)
2
1.0
1
0
1
50.0
1197.1
0.0
1197.1
View list
6
2040108881
Dyantyi, S (Simamkele)
1
1.0
1
0
0
100.0
1153.8
425.0
1578.8
View list
7
2040304990
Khwitshana, E (Ezile)
1
1.0
1
0
0
100.0
1189.7
425.0
1614.7
View list
8
1040151175
Kalimashe, V (Vuyo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
9
2030151599
Magazi, S (Sipahle)
1
1.0
1
0
0
100.0
1191.5
425.0
1616.5
View list
10
2030153853
Madasa, A (Anita)
1
1.0
1
0
0
100.0
1191.5
425.0
1616.5
View list
11
1010301002
Manyama, M (Mohale)
1
1.0
1
0
0
100.0
1193.0
425.0
1618.0
View list
12
1140149001
Manqunyana, L (Luphelo)
1
1.0
1
0
0
100.0
1189.4
425.0
1614.4
View list
13
106087648
Masoka, O (Oyama)
1
1.0
1
0
0
100.0
1193.0
425.0
1618.0
View list
14
2040307271
Mathabatha, A (Audrey)
1
1.0
1
0
0
100.0
1204.4
425.0
1629.4
View list
15
1070162614
Mda, L (Lunathi)
1
1.0
1
0
0
100.0
1226.3
425.0
1651.3
View list
16
203081829
Mdletshe, L (Lungelo)
1
1.0
1
0
0
100.0
1204.4
425.0
1629.4
View list
17
2020150728
Mncam, S (Siphephelo)
1
1.0
1
0
0
100.0
1199.3
425.0
1624.3
View list
18
1060300908
Mneke, M (Musa)
1
1.0
1
0
0
100.0
1189.4
425.0
1614.4
View list
19
2050311806
Mohutsiwa, K (Kebabaletswe)
1
1.0
1
0
0
100.0
1189.7
425.0
1614.7
View list
20
2100151704
Moller, S (Sarah)
1
1.0
1
0
0
100.0
1199.3
425.0
1624.3
View list