Chess South Africa
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Chess South Africa
Willemse, A (Avah)
Dob:
2015/12/25 (U10)
Gender:
Female
Chess SA id:
2150139114
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2024/11/02 (21 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
1351.1
Current Weighted rating
1264.1
Current Weighted performance
1340.6
Current official/published rating (highest between Raw, WR and WP)
1351.1
Current highest rating achieved
1351.1
Current floor (min rating allowed)
851.1
Current K-factor
36
Games played this month
5
Score (S)
3.0
Expected score (We)
3.47
Difference (S-We)
-0.39
Current Raw change (no limits, including tournament time weight)
-14.0
Current min/max change allowed (with limits)
±133.7
Current Raw change used (final)
-14.0
Projected new Raw rating
1337.1
Projected new Weighed rating
1164.7
Projected new Weighted performance
1340.6
Projected new final Raw rating (if new WP > new Raw)
1340.6
Projected new highest rating
1351.1
Projected new floor
851.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1340.6
Projected effective change (new Official - current Official)
-10.5
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
1276.4
Current Weighted rating
1173.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1276.4
Current highest rating achieved
1276.4
Current floor (min rating allowed)
776.4
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)
±148.7
Current Raw change used (final)
-6.5
Projected new Raw rating
1269.9
Projected new Weighed rating
1081.4
Projected new Weighted performance
1254.2
Projected new final Raw rating (if new WP > new Raw)
1269.9
Projected new highest rating
1276.4
Projected new floor
776.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1269.9
Projected effective change (new Official - current Official)
-6.5
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
1354.9
Current Weighted rating
1316.5
Current Weighted performance
1259.9
Current official/published rating (highest between Raw, WR and WP)
1354.9
Current highest rating achieved
1354.9
Current floor (min rating allowed)
854.9
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)
±133.0
Current Raw change used (final)
0.0
Projected new Raw rating
1354.9
Projected new Weighed rating
1211.7
Projected new Weighted performance
1259.9
Projected new final Raw rating (if new WP > new Raw)
1354.9
Projected new highest rating
1354.9
Projected new floor
854.9
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1354.9
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
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:
PR Booyse Standard Tournament 2024 (Development)
Start:
2024/11/02
End:
2024/11/02
Host:
WCU
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
3.0
Main rating:
1351.1
Rating gain/loss:
-14.0
Type rating:
1276.4
Rating gain/loss:
-6.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
7
PR Booyse Standard Tournament 2024 (Development)
2024/11/02
2024/11/02
West Coast (WCU)
Standard
60
0.83
5
5
3.0
1351.1
1276.4
Analysis
6
Western Cape Top Schools Championship 2024 (U9 Girls)
2024/08/30
2024/09/01
Eden (WEG)
Standard
60
0.83
6
5
5.0
1288.9
1166.8
Analysis
5
Pedro Booyse Top Schools Championships 2024 (U7+U9)
2024/07/20
2024/07/20
West Coast (WCU)
Rapid
30
0.60
7
7
6.0
1252.0
1317.8
Analysis
4
Pedro Booyse Annual Rapid 2024 (Development)
2024/07/06
2024/07/06
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1246.6
1320.0
Analysis
3
Western Cape PS Individuals Championship 2024 (U9 Girls)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
3.0
1266.6
1163.2
Analysis
2
West Coast Schools Chess Prestige Championships 2024 (U9 Girls)
2024/03/09
2024/03/09
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1255.2
1302.4
Analysis
1
Bo-Weskus Skole Prestige 2024 (O9 Dogters)
2024/02/10
2024/02/10
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1244.6
1288.7
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
16
PR Booyse Standard Tournament 2024 (Development)
2024/11/02
2024/11/02
West Coast (WCU)
Standard
60
0.83
5
5
3.0
1351.1
1276.4
Analysis
15
Western Cape Top Schools Championship 2024 (U9 Girls)
2024/08/30
2024/09/01
Eden (WEG)
Standard
60
0.83
6
5
5.0
1288.9
1166.8
Analysis
14
Pedro Booyse Top Schools Championships 2024 (U7+U9)
2024/07/20
2024/07/20
West Coast (WCU)
Rapid
30
0.60
7
7
6.0
1252.0
1317.8
Analysis
13
Pedro Booyse Annual Rapid 2024 (Development)
2024/07/06
2024/07/06
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1246.6
1320.0
Analysis
12
Western Cape PS Individuals Championship 2024 (U9 Girls)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
3.0
1266.6
1163.2
Analysis
11
West Coast Schools Chess Prestige Championships 2024 (U9 Girls)
2024/03/09
2024/03/09
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1255.2
1302.4
Analysis
10
Bo-Weskus Skole Prestige 2024 (O9 Dogters)
2024/02/10
2024/02/10
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1244.6
1288.7
Analysis
9
Western Cape Top Schools 2023 (U9 Girls)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
5
4
3.0
1222.2
1107.6
Analysis
8
Upper West Coast Top Schools Championship 2023 (U7-U11)
2023/06/10
2023/06/10
West Coast (WCU)
Rapid
30
0.60
5
5
2.0
1240.1
1340.2
Analysis
7
West Coast Schools Development Championships 2023 (U7 Open+U9 Girls)
2023/04/22
2023/04/22
West Coast (WCU)
Rapid
30
0.60
5
5
4.0
1177.7
1284.8
Analysis
6
PRBCC Closed 2023 (C)
2023/04/15
2023/04/15
West Coast (WCU)
Rapid
35
0.66
6
6
4.0
1177.7
1284.8
Analysis
5
Bo-Weskus Skole Prestige 2023 (O9 Dogters)
2023/03/04
2023/03/04
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1170.1
1299.2
Analysis
4
West Coast Schools Chess Grand Challenge 2022 (PS Development)
2022/10/29
2022/10/29
West Coast (WCU)
Rapid
30
0.60
5
0
0.0
1170.1
1299.2
Analysis
3
Western Cape Top Schools 2022 (U7 Mix)
2022/09/16
2022/09/17
Overberg (WOS)
Standard
60
0.83
6
4
0.0
1243.6
1200.0
Analysis
2
Bo-Weskus Top Skole 2022 (O7)
2022/06/11
2022/06/11
West Coast (WCU)
Rapid
20
0.47
6
6
6.0
1187.0
1178.4
Analysis
1
Bo Weskus Skole Skaak Prestige (O7 Dogters)
2022/03/19
2022/03/19
West Coast (WCU)
Rapid
30
0.60
3
3
1.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
38
26
0
12
26.0
68.4
156.6
1203.0
1359.5
White
20
12
0
8
12.0
60.0
85.0
1202.6
1287.6
Black
18
14
0
4
14.0
77.8
236.1
1203.3
1439.4
Standard
All
16
11
0
5
11.0
68.8
159.4
1188.7
1348.0
White
8
5
0
3
5.0
62.5
106.3
1188.9
1295.2
Black
8
6
0
2
6.0
75.0
212.5
1188.4
1400.9
Rapid
All
22
15
0
7
15.0
68.2
154.5
1213.4
1367.9
White
12
7
0
5
7.0
58.3
70.8
1211.8
1282.6
Black
10
8
0
2
8.0
80.0
255.0
1215.3
1470.3
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
76
49
0
27
49.0
64.5
123.0
1191.7
1314.8
White
40
24
0
16
24.0
60.0
85.0
1198.2
1283.2
Black
36
25
0
11
25.0
69.4
165.3
1184.5
1349.8
Standard
All
24
14
0
10
14.0
58.3
70.8
1177.9
1248.7
White
12
7
0
5
7.0
58.3
70.8
1180.9
1251.7
Black
12
7
0
5
7.0
58.3
70.8
1174.8
1245.7
Rapid
All
52
35
0
17
35.0
67.3
147.1
1198.1
1345.2
White
28
17
0
11
17.0
60.7
91.1
1205.6
1296.7
Black
24
18
0
6
18.0
75.0
212.5
1189.4
1401.9
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
2150143110
Julies, J (Jazne)
6
5.0
5
0
1
83.3
1235.4
283.3
1518.7
View list
2
2150139113
Van Wyk, F (Faith)
4
1.0
1
0
3
25.0
1219.4
-212.5
1006.9
View list
3
2150139112
Skippers, G (Glenice)
3
3.0
3
0
0
100.0
1191.3
425.0
1616.3
View list
4
2150146763
Tieties, L (Lilanie)
3
1.0
1
0
2
33.3
1201.0
-141.7
1059.3
View list
5
2150146762
Paulse, V (Virginia)
3
0.0
0
0
3
0.0
1198.1
-425.0
773.1
View list
6
2150143105
Cloete, S (Simone)
2
2.0
2
0
0
100.0
1187.0
425.0
1612.0
View list
7
2160153135
Fortuin, M (Mia)
2
2.0
2
0
0
100.0
1177.7
425.0
1602.7
View list
8
2160157861
Kotze, M (Mirah)
2
2.0
2
0
0
100.0
1270.5
425.0
1695.5
View list
9
1150143117
Uys, R (Rayvon)
2
2.0
2
0
0
100.0
1187.0
425.0
1612.0
View list
10
1160146207
Kleinbooi, R (Riley)
2
0.0
0
0
2
0.0
1243.6
-425.0
818.6
View list
11
1150142293
Opperman, C (Caden)
2
0.0
0
0
2
0.0
1243.6
-425.0
818.6
View list
12
2150192641
Kersouw, A (Althea)
1
1.0
1
0
0
100.0
1255.2
425.0
1680.2
View list
13
2160153137
Kapank, K (Kristen)
1
1.0
1
0
0
100.0
1266.6
425.0
1691.6
View list
14
2140161831
Kanase, S (Sindisiwe)
1
1.0
1
0
0
100.0
1222.2
425.0
1647.2
View list
15
2160161826
Flores, Z (Zhoe)
1
1.0
1
0
0
100.0
1288.9
425.0
1713.9
View list
16
2160153136
Julies, A (Anja)
1
1.0
1
0
0
100.0
1177.7
425.0
1602.7
View list
17
2160154655
Joubert, S (Sumari)
1
1.0
1
0
0
100.0
1266.6
425.0
1691.6
View list
18
2150192584
Jonas, D (Dunica)
1
1.0
1
0
0
100.0
1244.6
425.0
1669.6
View list
19
2170308737
Jantjies, A (Amia)
1
1.0
1
0
0
100.0
1252.0
425.0
1677.0
View list
20
2150154603
Hengson, S (Sunet)
1
1.0
1
0
0
100.0
1177.7
425.0
1602.7
View list