Chess South Africa
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Chess South Africa
Diederiks, K (Katryn)
Dob:
2011/02/14 (U14)
Gender:
Female
Chess SA id:
2110150081
FIDE id:
Region:
Overberg (WOS)
Citizen:
RSA
Title(s):
Last active:
2024/03/16 (97 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
1084.8
Current Weighted rating
1085.9
Current Weighted performance
931.7
Current official/published rating (highest between Raw, WR and WP)
1085.9
Current highest rating achieved
1172.4
Current floor (min rating allowed)
672.4
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)
±195.4
Current Raw change used (final)
0.0
Projected new Raw rating
1084.8
Projected new Weighed rating
998.5
Projected new Weighted performance
931.7
Projected new final Raw rating (if new WP > new Raw)
1084.8
Projected new highest rating
1172.4
Projected new floor
672.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1084.8
Projected effective change (new Official - current Official)
-1.1
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
1086.0
Current Weighted rating
1084.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1086.0
Current highest rating achieved
1166.0
Current floor (min rating allowed)
666.0
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)
±195.1
Current Raw change used (final)
0.0
Projected new Raw rating
1086.0
Projected new Weighed rating
997.1
Projected new Weighted performance
837.3
Projected new final Raw rating (if new WP > new Raw)
1086.0
Projected new highest rating
1166.0
Projected new floor
666.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1086.0
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
1105.6
Current Weighted rating
1109.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1109.9
Current highest rating achieved
1138.4
Current floor (min rating allowed)
638.4
Current K-factor
40
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)
±189.7
Current Raw change used (final)
0.0
Projected new Raw rating
1105.6
Projected new Weighed rating
1020.5
Projected new Weighted performance
825.5
Projected new final Raw rating (if new WP > new Raw)
1105.6
Projected new highest rating
1138.4
Projected new floor
638.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1105.6
Projected effective change (new Official - current Official)
-4.3
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
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Overberg Schools - PS Closed 2024 (U13 Girls)
2024/03/16
2024/03/16
Overberg (WOS)
Standard
60
0.83
5
5
2.0
1082.1
1080.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
9
Overberg Schools - PS Closed 2024 (U13 Girls)
2024/03/16
2024/03/16
Overberg (WOS)
Standard
60
0.83
5
5
2.0
1082.1
1080.0
Analysis
8
Hermanus Rapid 2023 (C)
2023/04/22
2023/04/22
Overberg (WOS)
Rapid
25
0.54
6
6
2.0
1089.0
1126.4
Analysis
7
Overberg School Chess Closed Tournament 2023 (U11 Girls)
2023/03/25
2023/03/25
Overberg (WOS)
Standard
60
0.83
5
5
1.5
1103.9
1102.0
Analysis
6
Overberg Schools Bredasdorp Zone Trails 2023 (U11)
2023/02/16
2023/03/02
Overberg (WOS)
Rapid
20
0.47
6
6
2.5
1103.9
1128.0
Analysis
5
Overberg Schools Open Tournament 2023 (U12)
2023/02/11
2023/02/11
Overberg (WOS)
Rapid
20
0.47
5
5
2.0
1104.5
1138.4
Analysis
4
Western Cape Top Schools 2022 (U11 Mix)
2022/09/16
2022/09/17
Overberg (WOS)
Standard
60
0.83
5
2
0.0
1127.1
1128.8
Analysis
3
Overberg Topskole 2022 (O11)
2022/08/30
2022/08/30
Overberg (WOS)
Standard
60
0.83
6
4
1.0
1156.3
1166.0
Analysis
2
The Hermanus Open 2022 (U12)
2022/05/14
2022/05/14
Overberg (WOS)
Rapid
10
0.29
6
5
1.0
1172.4
1200.0
Analysis
1
Overberg Primary Schools Closed 2022 (U11 Girls)
2022/03/12
2022/03/12
Overberg (WOS)
Standard
60
0.83
5
5
1.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
2
0
3
2.0
40.0
-85.0
1188.3
1103.3
White
3
2
0
1
2.0
66.7
141.7
1183.3
1325.0
Black
2
0
0
2
0.0
0.0
-425.0
1195.8
770.8
Standard
All
5
2
0
3
2.0
40.0
-85.0
1188.3
1103.3
White
3
2
0
1
2.0
66.7
141.7
1183.3
1325.0
Black
2
0
0
2
0.0
0.0
-425.0
1195.8
770.8
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
43
11
5
27
13.5
31.4
-158.1
1199.9
1041.8
White
24
3
2
19
4.0
16.7
-283.3
1203.2
919.9
Black
19
8
3
8
9.5
50.0
0.0
1195.8
1195.8
Standard
All
21
5
2
14
6.0
28.6
-182.1
1206.5
1024.3
White
12
3
0
9
3.0
25.0
-212.5
1210.2
997.7
Black
9
2
2
5
3.0
33.3
-141.7
1201.5
1059.9
Rapid
All
22
6
3
13
7.5
34.1
-135.2
1193.7
1058.5
White
12
0
2
10
1.0
8.3
-354.2
1196.3
842.1
Black
10
6
1
3
6.5
65.0
127.5
1190.6
1318.1
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2120138441
Fortuin, E (Eron)
2
0.0
0
0
2
0.0
1141.0
-425.0
716.0
View list
2
1110145241
Nqoza, U (Usenathi)
2
0.0
0
0
2
0.0
1156.3
-425.0
731.3
View list
3
2120147467
Spinnler, E (Elizabeth Hendrina)
2
0.0
0
0
2
0.0
1103.9
-425.0
678.9
View list
4
2120138448
Van Der Westhuizen, M (Mika)
2
0.0
0
0
2
0.0
1104.2
-425.0
679.2
View list
5
1120138427
Nelson, L (Lihan)
1
1.0
1
0
0
100.0
1172.4
425.0
1597.4
View list
6
2130152311
Kotze, M (Marlie)
1
1.0
1
0
0
100.0
1103.9
425.0
1528.9
View list
7
1110151339
Dreyer, C (Christiano)
1
1.0
1
0
0
100.0
1103.9
425.0
1528.9
View list
8
2130151338
Adshade, L (Lea-Linize)
1
1.0
1
0
0
100.0
1103.9
425.0
1528.9
View list
9
2120193246
Oosthuizen, A (Alana)
1
1.0
1
0
0
100.0
1082.1
425.0
1507.1
View list
10
1150154665
Rock, A (Albert)
1
1.0
1
0
0
100.0
1089.0
425.0
1514.0
View list
11
1120150086
Theron, J (Joshua)
1
1.0
1
0
0
100.0
1104.5
425.0
1529.5
View list
12
1110150087
Truter, J (Jake)
1
1.0
1
0
0
100.0
1104.5
425.0
1529.5
View list
13
2120138447
Van Den Berg, P (Petro)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
14
1120145244
Vermeulen, D (Durius)
1
1.0
1
0
0
100.0
1156.3
425.0
1581.3
View list
15
2120193253
Witbooi, C (Carla)
1
1.0
1
0
0
100.0
1082.1
425.0
1507.1
View list
16
2130152306
Beets, L (Lisa)
1
0.5
0
1
0
50.0
1103.9
0.0
1103.9
View list
17
2120138436
Blignaut, L (Liza)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
18
1140154654
Jam Jam, B (Buhle)
1
0.5
0
1
0
50.0
1089.0
0.0
1089.0
View list
19
1140139711
Hanekom, D (Derick)
1
0.5
0
1
0
50.0
1089.0
0.0
1089.0
View list
20
1130145279
Moses, J (Jivano)
1
0.5
0
1
0
50.0
1103.9
0.0
1103.9
View list