Chess South Africa
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Chess South Africa
Brewis, S (Sienna)
Dob:
2013/02/05 (U12)
Gender:
Female
Chess SA id:
2130136581
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2024/10/26 (45 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
1476.0
Current Weighted rating
1445.4
Current Weighted performance
1449.7
Current official/published rating (highest between Raw, WR and WP)
1476.0
Current highest rating achieved
1520.7
Current floor (min rating allowed)
1020.7
Current K-factor
32
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)
±111.9
Current Raw change used (final)
0.0
Projected new Raw rating
1476.0
Projected new Weighed rating
1330.0
Projected new Weighted performance
1449.7
Projected new final Raw rating (if new WP > new Raw)
1476.0
Projected new highest rating
1520.7
Projected new floor
1020.7
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1476.0
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
1455.6
Current Weighted rating
1430.2
Current Weighted performance
1342.1
Current official/published rating (highest between Raw, WR and WP)
1455.6
Current highest rating achieved
1518.3
Current floor (min rating allowed)
1018.3
Current K-factor
32
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)
±115.2
Current Raw change used (final)
0.0
Projected new Raw rating
1455.6
Projected new Weighed rating
1315.6
Projected new Weighted performance
1342.1
Projected new final Raw rating (if new WP > new Raw)
1455.6
Projected new highest rating
1518.3
Projected new floor
1018.3
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1455.6
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
1359.2
Current Weighted rating
1289.5
Current Weighted performance
1407.9
Current official/published rating (highest between Raw, WR and WP)
1407.9
Current highest rating achieved
1359.2
Current floor (min rating allowed)
859.2
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)
±132.2
Current Raw change used (final)
0.0
Projected new Raw rating
1359.2
Projected new Weighed rating
1188.6
Projected new Weighted performance
1407.9
Projected new final Raw rating (if new WP > new Raw)
1407.9
Projected new highest rating
1407.9
Projected new floor
907.9
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1407.9
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
1183.6
Current Weighted rating
1183.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1183.6
Current highest rating achieved
1183.6
Current floor (min rating allowed)
683.6
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)
±169.7
Current Raw change used (final)
0.0
Projected new Raw rating
1183.6
Projected new Weighed rating
1088.9
Projected new Weighted performance
292.3
Projected new final Raw rating (if new WP > new Raw)
1183.6
Projected new highest rating
1183.6
Projected new floor
683.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1183.6
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
10
George Suid Senior Skaaktoernooi 2024
2024/10/26
2024/10/26
Eden (WEG)
Rapid
20
0.47
5
5
4.0
1469.1
1331.8
Analysis
9
George Primary Top Schools 2024 (U11)
2024/07/20
2024/07/20
Eden (WEG)
Standard
60
0.83
5
4
3.0
1427.1
1399.6
Analysis
8
Western Cape - Kings and Queens 2024 (Girls)
2024/06/08
2024/06/08
Overberg (WOS)
Rapid
30
0.60
5
4
3.5
1397.9
1261.2
Analysis
7
Western Cape PS Individuals Championship 2024 (U11 Girls)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
2.0
1505.2
1506.7
Analysis
6
South African Junior Closed Chess Championship 2024 (U12 Girls)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
8
2.5
1505.2
1506.7
Analysis
5
Eden Chess Trials 2 2024 (U12)
2024/04/13
2024/04/20
Eden (WEG)
Standard
60
0.83
10
10
7.0
1485.7
1470.7
Analysis
4
Eden School Chess Trials 1 2024 (U11 Girls)
2024/03/09
2024/03/09
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1415.6
1398.3
Analysis
3
George Schools Trials 3 2024 (U11 Girls)
2024/03/02
2024/03/02
Eden District (WEG)
Standard
60
0.83
5
5
3.5
1415.6
1398.3
Analysis
2
George Schools Trials 2 2024 (U11 Girls)
2024/02/17
2024/02/17
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1410.3
1385.5
Analysis
1
George Schools Trials 1 2024 (U11 Girls)
2024/02/03
2024/02/03
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1410.3
1385.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
29
George Suid Senior Skaaktoernooi 2024
2024/10/26
2024/10/26
Eden (WEG)
Rapid
20
0.47
5
5
4.0
1469.1
1331.8
Analysis
28
George Primary Top Schools 2024 (U11)
2024/07/20
2024/07/20
Eden (WEG)
Standard
60
0.83
5
4
3.0
1427.1
1399.6
Analysis
27
Western Cape - Kings and Queens 2024 (Girls)
2024/06/08
2024/06/08
Overberg (WOS)
Rapid
30
0.60
5
4
3.5
1397.9
1261.2
Analysis
26
Western Cape PS Individuals Championship 2024 (U11 Girls)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
2.0
1505.2
1506.7
Analysis
25
South African Junior Closed Chess Championship 2024 (U12 Girls)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
8
2.5
1505.2
1506.7
Analysis
24
Eden Chess Trials 2 2024 (U12)
2024/04/13
2024/04/20
Eden (WEG)
Standard
60
0.83
10
10
7.0
1485.7
1470.7
Analysis
23
Eden School Chess Trials 1 2024 (U11 Girls)
2024/03/09
2024/03/09
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1415.6
1398.3
Analysis
22
George Schools Trials 3 2024 (U11 Girls)
2024/03/02
2024/03/02
Eden District (WEG)
Standard
60
0.83
5
5
3.5
1415.6
1398.3
Analysis
21
George Schools Trials 2 2024 (U11 Girls)
2024/02/17
2024/02/17
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1410.3
1385.5
Analysis
20
George Schools Trials 1 2024 (U11 Girls)
2024/02/03
2024/02/03
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1410.3
1385.5
Analysis
19
Pacaltsdorp Chess Club Open 2023 (Development)
2023/08/26
2023/08/26
Eden District (WEG)
Rapid
30
0.60
6
6
5.0
1389.2
1200.0
Analysis
18
Top Schools 2023 (U13)
2023/07/29
2023/07/29
Eden District (WEG)
Standard
60
0.83
5
4
1.0
1434.3
1430.0
Analysis
17
Knysna Oyster Festival 2023 (Juniors)
2023/07/01
2023/07/01
Eden District (WEG)
Rapid
30
0.60
6
6
3.5
1434.3
1190.8
Analysis
16
Western Cape PS Individuals 2023 (U11 Girls)
2023/05/05
2023/05/06
Cape Town (WCT)
Standard
60
0.83
6
6
5.0
1467.8
1485.7
Analysis
15
Eden Trials 2+3 2023 (U12)
2023/04/15
2023/05/13
Eden District (WEG)
Standard
60
0.83
10
9
4.0
1467.8
1485.7
Analysis
14
Eden Trails 1 2023 (U11 Girls)
2023/03/11
2023/03/11
Eden District (WEG)
Standard
60
0.83
5
5
3.5
1478.2
1500.7
Analysis
13
George Chess Trials 2 2023 (U11 Girls)
2023/02/11
2023/02/11
Cape Town (WCT)
Standard
60
0.83
5
5
4.0
1486.4
1515.7
Analysis
12
George Chess Trials 1 2023 (U11 Girls)
2023/01/28
2023/01/28
Eden District (WEG)
Standard
60
0.83
5
5
4.5
1443.6
1467.1
Analysis
11
George Open 2022 (C)
2022/12/03
2022/12/03
Eden District (WEG)
Standard
60
0.83
5
5
2.0
1478.9
1515.1
Analysis
10
Mossel Bay Open 2022 (C)
2022/10/01
2022/10/01
Eden District (WEG)
Rapid
30
0.60
5
5
2.5
1507.7
1200.0
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
57
35
3
19
36.5
64.0
119.3
1342.3
1461.6
White
28
20
1
7
20.5
73.2
197.3
1363.6
1560.9
Black
29
15
2
12
16.0
55.2
44.0
1321.7
1365.6
Standard
All
48
28
2
18
29.0
60.4
88.5
1342.0
1430.6
White
23
16
1
6
16.5
71.7
184.8
1356.0
1540.8
Black
25
12
1
12
12.5
50.0
0.0
1329.2
1329.2
Rapid
All
9
7
1
1
7.5
83.3
283.3
1343.7
1627.0
White
5
4
0
1
4.0
80.0
255.0
1398.8
1653.8
Black
4
3
1
0
3.5
87.5
318.8
1274.8
1593.5
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
156
102
9
45
106.5
68.3
155.3
1295.9
1451.1
White
78
52
4
22
54.0
69.2
163.5
1304.6
1468.0
Black
78
50
5
23
52.5
67.3
147.1
1287.2
1434.3
Standard
All
125
84
4
37
86.0
68.8
159.8
1294.3
1454.1
White
62
44
2
16
45.0
72.6
191.9
1300.4
1492.4
Black
63
40
2
21
41.0
65.1
128.2
1288.3
1416.5
Rapid
All
26
16
5
5
18.5
71.2
179.8
1294.5
1474.3
White
13
8
2
3
9.0
69.2
163.5
1298.1
1461.6
Black
13
8
3
2
9.5
73.1
196.2
1290.8
1487.0
Blitz
All
5
2
0
3
2.0
40.0
-85.0
1341.3
1256.3
White
3
0
0
3
0.0
0.0
-425.0
1417.9
992.9
Black
2
2
0
0
2.0
100.0
425.0
1226.3
1651.3
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2130130133
Le Roux, M (Melandi)
6
5.0
5
0
1
83.3
1369.7
283.3
1653.0
View list
2
2130136603
Zaaiman, J (Jana)
6
5.0
5
0
1
83.3
1352.3
283.3
1635.7
View list
3
2130136965
Pringle, K (Kirsten)
5
4.0
4
0
1
80.0
1388.2
255.0
1643.2
View list
4
2140159141
Cathi, B (Beunielle)
4
4.0
4
0
0
100.0
1412.9
425.0
1837.9
View list
5
2140148829
Greeff, M (Mari)
4
2.0
2
0
2
50.0
1410.5
0.0
1410.5
View list
6
2130134504
Blignaut, DC (Dane Chelsea)
4
1.5
2
2
2
37.5
1367.7
-106.3
1261.4
View list
7
2120116532
Cornforth, K (Kayleigh)
4
0.5
0
1
3
12.5
1456.5
-318.8
1137.7
View list
8
2130148770
Bruiners, C (Chandre)
3
3.0
3
0
0
100.0
1471.9
425.0
1896.9
View list
9
2130136579
Barkhuysen, A (Ankia)
3
3.0
3
0
0
100.0
1402.7
425.0
1827.7
View list
10
2140148833
Mouton, C (Carli)
3
2.0
2
0
1
66.7
1435.4
141.7
1577.1
View list
11
1120119465
Prins, E (Eddie)
3
2.0
2
0
1
66.7
1489.1
141.7
1630.8
View list
12
2130147007
Douglas, K (Keyla)
3
1.0
1
0
2
33.3
1454.8
-141.7
1313.2
View list
13
2130139077
Don, M (Mikayla)
2
2.0
2
0
0
100.0
1432.3
425.0
1857.3
View list
14
2140132053
Jassen, T (Teshmia)
2
2.0
2
0
0
100.0
1408.3
425.0
1833.3
View list
15
2130136595
Polden, I (Isabelle)
2
2.0
2
0
0
100.0
1237.8
425.0
1662.8
View list
16
2130118022
Shapiro, H (Hannah)
2
2.0
2
0
0
100.0
1432.3
425.0
1857.3
View list
17
1110148057
Volontiya, S (Sidima)
2
2.0
2
0
0
100.0
1456.6
425.0
1881.6
View list
18
2130134504
Blignaut, DC (Dane)
2
1.5
2
2
2
75.0
1415.6
212.5
1628.1
View list
19
1140144672
Brewis, F (Fox)
2
1.5
1
1
0
75.0
1411.8
212.5
1624.3
View list
20
1130134042
Coleman, F (Ferdinand)
2
1.0
1
0
1
50.0
1476.8
0.0
1476.8
View list