Chess South Africa
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Chess South Africa
Van Der Westhuizen, M (Mika)
Dob:
2012/09/08 (U14)
Gender:
Female
Chess SA id:
2120138448
FIDE id:
Region:
Overberg (WOS)
Citizen:
RSA
Title(s):
Last active:
2024/05/05 (16 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
1374.9
Curent Weighted rating
1371.1
Curent Weighted performance
1223.0
Current official/published rating (highest between Raw, WR and WP)
1374.9
Current floor (min rating allowed)
937.0
Current highest rating achieved
1437.0
Current K-factor
32
Games played this month
6
Score (S)
3.0
Expected score (We)
3.45
Difference (S-We)
-0.45
Current Raw change (no limits, including tournament time weight)
-12.0
Current min/max change allowed (with limits)
±129.2
Current Raw change used (final)
-12.0
Projected new Raw rating
1362.9
Projected new Weighed rating
1374.6
Projected new Weighted performance
1223.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1374.6
Projected effective change (new Official - current Official)
-0.3
Projected new highest rating
1437.0
Projected new floor
937.0
Projected new K-facor
32
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
1457.4
Curent Weighted rating
1380.9
Curent Weighted performance
1390.5
Current official/published rating (highest between Raw, WR and WP)
1457.4
Current floor (min rating allowed)
966.4
Current highest rating achieved
1466.4
Current K-factor
32
Games played this month
6
Score (S)
3.0
Expected score (We)
4.12
Difference (S-We)
-1.12
Current Raw change (no limits, including tournament time weight)
-35.8
Current min/max change allowed (with limits)
±114.9
Current Raw change used (final)
-35.8
Projected new Raw rating
1421.6
Projected new Weighed rating
1389.6
Projected new Weighted performance
1390.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1421.6
Projected effective change (new Official - current Official)
-35.8
Projected new highest rating
1466.4
Projected new floor
966.4
Projected new K-facor
32
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
1256.7
Curent Weighted rating
1321.8
Curent Weighted performance
1203.1
Current official/published rating (highest between Raw, WR and WP)
1321.8
Current floor (min rating allowed)
860.7
Current highest rating achieved
1360.7
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)
±152.9
Current Raw change used (final)
0.0
Projected new Raw rating
1256.7
Projected new Weighed rating
1317.8
Projected new Weighted performance
1203.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1317.8
Projected effective change (new Official - current Official)
-4.0
Projected new highest rating
1360.7
Projected new floor
860.7
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)
860.7
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
860.7
Projected new K-facor
36
Tournaments
History
Tournament:
Western Cape PS Individuals Championship 2024 (U13 Girls)
Start:
2024/05/04
End:
2024/05/05
Host:
WCU
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
6
Games:
6
Score:
3.0
Main rating:
1374.9
Rating gain/loss:
-12.0
Type rating:
1457.4
Rating gain/loss:
-35.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
Western Cape PS Individuals Championship 2024 (U13 Girls)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
3.0
1374.9
1457.4
Analysis
3
Hermanus Chess Club Open 2024 (Intermediate)
2024/04/20
2024/04/20
Overberg (WOS)
Rapid
20
0.47
7
7
2.0
1421.1
1348.1
Analysis
2
Overberg Schools - PS Closed 2024 (U13 Girls)
2024/03/16
2024/03/16
Overberg (WOS)
Standard
60
0.83
5
5
4.0
1437.0
1466.4
Analysis
1
Overberg Schools - PS Trials Region 3 2024 (U13 Girls)
2024/03/02
2024/03/02
Overberg (WOS)
Rapid
30
0.60
5
5
3.0
1437.0
1360.7
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
18
Western Cape PS Individuals Championship 2024 (U13 Girls)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
3.0
1374.9
1457.4
Analysis
17
Hermanus Chess Club Open 2024 (Intermediate)
2024/04/20
2024/04/20
Overberg (WOS)
Rapid
20
0.47
7
7
2.0
1421.1
1348.1
Analysis
16
Overberg Schools - PS Closed 2024 (U13 Girls)
2024/03/16
2024/03/16
Overberg (WOS)
Standard
60
0.83
5
5
4.0
1437.0
1466.4
Analysis
15
Overberg Schools - PS Trials Region 3 2024 (U13 Girls)
2024/03/02
2024/03/02
Overberg (WOS)
Rapid
30
0.60
5
5
3.0
1437.0
1360.7
Analysis
14
2023 Western Cape Rural Cup (U12)
2023/12/09
2023/12/10
Cape Winelands (WCW)
Standard
60
0.83
5
4
3.0
1410.4
1418.4
Analysis
13
Bonnievale Open Rapid 2023 (U12)
2023/10/21
2023/10/21
Cape Winelands (WCW)
Rapid
25
0.54
6
6
3.5
1411.6
1342.0
Analysis
12
Western Cape Top Schools 2023 (U11 Mixed)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
6
6
3.5
1419.3
1420.1
Analysis
11
Overberg Top Schools 2023 (U11)
2023/08/05
2023/08/05
Overberg (WOS)
Standard
60
0.83
5
5
4.5
1400.2
1375.6
Analysis
10
Overberg Club Championships 2023 (A+B)
2023/07/29
2023/07/29
Overberg (WOS)
Rapid
30
0.60
5
5
4.0
1384.2
1302.5
Analysis
9
Zwelihle Chess Club Rapid 2023 (C)
2023/06/17
2023/06/17
Overberg (WOS)
Rapid
20
0.47
6
6
5.0
1364.7
1236.6
Analysis
8
Western Cape PS Individuals 2023 (U11 Girls)
2023/05/05
2023/05/06
Cape Town (WCT)
Standard
60
0.83
6
6
6.0
1252.1
1238.8
Analysis
7
Hermanus Rapid 2023 (C)
2023/04/22
2023/04/22
Overberg (WOS)
Rapid
25
0.54
6
6
2.0
1280.5
1295.6
Analysis
6
Overberg School Chess Closed Tournament 2023 (U11 Girls)
2023/03/25
2023/03/25
Overberg (WOS)
Standard
60
0.83
5
5
4.0
1206.6
1160.8
Analysis
5
Overberg Primary School Trials (Region 2) 2023 (U11 Girls)
2023/02/24
2023/03/10
Overberg (WOS)
Rapid
20
0.47
6
5
3.5
1206.6
1275.4
Analysis
4
Overberg Schools Open Tournament 2023 (U12)
2023/02/11
2023/02/11
Overberg (WOS)
Rapid
20
0.47
5
5
3.0
1199.3
1276.8
Analysis
3
OCF Youth Day Tournament 2022 (C)
2022/06/18
2022/06/18
Overberg (WOS)
Rapid
15
0.39
5
5
4.5
1164.7
1200.0
Analysis
2
Western Cape Schools 2022 (U11 Girls)
2022/05/28
2022/05/29
Cape Winelands (WCW)
Standard
65
0.85
6
5
1.0
1197.3
1199.6
Analysis
1
Overberg Primary Schools Closed 2022 (U11 Girls)
2022/03/12
2022/03/12
Overberg (WOS)
Standard
60
0.83
5
4
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
23
12
0
11
12.0
52.2
18.5
1231.6
1250.1
White
10
7
0
3
7.0
70.0
170.0
1211.0
1381.0
Black
13
5
0
8
5.0
38.5
-98.1
1247.5
1149.4
Standard
All
11
7
0
4
7.0
63.6
115.9
1239.7
1355.6
White
5
4
0
1
4.0
80.0
255.0
1213.1
1468.1
Black
6
3
0
3
3.0
50.0
0.0
1261.9
1261.9
Rapid
All
12
5
0
7
5.0
41.7
-70.8
1224.2
1153.4
White
5
3
0
2
3.0
60.0
85.0
1208.9
1293.9
Black
7
2
0
5
2.0
28.6
-182.1
1235.2
1053.1
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
96
58
7
31
61.5
64.1
119.5
1251.5
1371.0
White
45
29
3
13
30.5
67.8
151.1
1259.2
1410.3
Black
51
29
4
18
31.0
60.8
91.7
1244.7
1336.3
Standard
All
46
29
4
13
31.0
67.4
147.8
1268.5
1416.3
White
21
17
1
3
17.5
83.3
283.3
1238.6
1522.0
Black
25
12
3
10
13.5
54.0
34.0
1293.5
1327.5
Rapid
All
50
29
3
18
30.5
61.0
93.5
1235.8
1329.3
White
24
12
2
10
13.0
54.2
35.4
1277.1
1312.5
Black
26
17
1
8
17.5
67.3
147.1
1197.7
1344.8
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
2120138446
Stevens, DA (Danielle-Ann)
4
1.5
1
1
2
37.5
1252.1
-106.3
1145.8
View list
2
2120138441
Fortuin, E (Eron)
3
3.0
3
0
0
100.0
1347.9
425.0
1772.9
View list
3
2130138496
Beyers, S (Skylar)
3
2.5
2
1
0
83.3
1342.0
283.3
1625.4
View list
4
2110150081
Diederiks, K (Katryn)
2
2.0
2
0
0
100.0
1202.9
425.0
1627.9
View list
5
2140154645
Bota, A (Alupheli)
2
2.0
2
0
0
100.0
1340.3
425.0
1765.3
View list
6
2130146614
Gouws, A (Anne-Marie)
2
2.0
2
0
0
100.0
1206.6
425.0
1631.6
View list
7
2110133358
Jara, I (Iviwe)
2
1.5
1
1
0
75.0
1282.3
212.5
1494.8
View list
8
2130139487
Cilliers, D (Dene)
2
1.0
1
0
1
50.0
1411.0
0.0
1411.0
View list
9
2120133357
Buhr, G (Gretchen)
2
1.0
1
0
1
50.0
1203.3
0.0
1203.3
View list
10
2110130329
Pieper, Q (Qiella)
2
1.0
1
0
1
50.0
1437.0
0.0
1437.0
View list
11
2120118993
Webb, A (Amori)
2
1.0
1
0
1
50.0
1393.3
0.0
1393.3
View list
12
2120110759
Ntontelo, K (Khazimla)
2
0.5
0
1
1
25.0
1206.6
-212.5
994.1
View list
13
2120138439
Du Preez, A (Alet)
2
0.0
0
0
2
0.0
1317.2
-425.0
892.2
View list
14
1110151346
Ess, N (Noah)
1
1.0
1
0
0
100.0
1364.7
425.0
1789.7
View list
15
1120139718
Du Toit, V (Victor)
1
1.0
1
0
0
100.0
1400.2
425.0
1825.2
View list
16
1130143658
Du Preez, Z (Zolani)
1
1.0
1
0
0
100.0
1419.3
425.0
1844.3
View list
17
2120138437
Collins, E (Esme)
1
1.0
1
0
0
100.0
1206.6
425.0
1631.6
View list
18
2120111379
Coetzee, C (Carli)
1
1.0
1
0
0
100.0
1252.1
425.0
1677.1
View list
19
1120130328
Drury, R (Riko)
1
1.0
1
0
0
100.0
1199.3
425.0
1624.3
View list
20
2130136581
Brewis, S (Sienna)
1
1.0
1
0
0
100.0
1252.1
425.0
1677.1
View list