Chess South Africa
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Chess South Africa
Jacobs, A (Akifah)
Dob:
2010/02/07 (U16)
Gender:
Female
Chess SA id:
2100158973
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2023/09/03 (402 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
1170.3
Current Weighted rating
1174.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1174.5
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)
±173.0
Current Raw change used (final)
0.0
Projected new Raw rating
1170.3
Projected new Weighed rating
1080.0
Projected new Weighted performance
537.4
Projected new final Raw rating (if new WP > new Raw)
1170.3
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)
1170.3
Projected effective change (new Official - current Official)
-4.2
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
1180.6
Current Weighted rating
1184.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1184.2
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)
±170.5
Current Raw change used (final)
0.0
Projected new Raw rating
1180.6
Projected new Weighed rating
1089.1
Projected new Weighted performance
321.7
Projected new final Raw rating (if new WP > new Raw)
1180.6
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)
1180.6
Projected effective change (new Official - current Official)
-3.6
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
1165.8
Current Weighted rating
1169.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1169.9
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
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)
±174.1
Current Raw change used (final)
0.0
Projected new Raw rating
1165.8
Projected new Weighed rating
1075.7
Projected new Weighted performance
283.8
Projected new final Raw rating (if new WP > new Raw)
1165.8
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)
1165.8
Projected effective change (new Official - current Official)
-4.1
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
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.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
Western Cape Top Schools 2023 (U13 Girls)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
6
5
2.0
1179.9
1200.0
Analysis
1
CT Metro District South Top Schools 2023 (U9+U11 Mixed + U13 Girls)
2023/07/29
2023/07/29
Cape Town (WCT)
Rapid
30
0.60
5
4
1.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
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
Standard
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
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
9
3
0
6
3.0
33.3
-141.7
1208.5
1066.9
White
4
0
0
4
0.0
0.0
-425.0
1229.8
804.8
Black
5
3
0
2
3.0
60.0
85.0
1191.5
1276.5
Standard
All
5
2
0
3
2.0
40.0
-85.0
1204.1
1119.1
White
2
0
0
2
0.0
0.0
-425.0
1259.7
834.7
Black
3
2
0
1
2.0
66.7
141.7
1167.0
1308.7
Rapid
All
4
1
0
3
1.0
25.0
-212.5
1214.1
1001.6
White
2
0
0
2
0.0
0.0
-425.0
1200.0
775.0
Black
2
1
0
1
1.0
50.0
0.0
1228.2
1228.2
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
2120159240
Groenewald, L (Libby)
1
1.0
1
0
0
100.0
1179.9
425.0
1604.9
View list
2
2120159038
Nelson, C (Chanel)
1
1.0
1
0
0
100.0
1179.9
425.0
1604.9
View list
3
2130158966
Abrahams, A (Amani)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1120158980
Ngcukana, S (Siphesihle)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
2110131958
Moses, F (Fabiante)
1
0.0
0
0
1
0.0
1179.9
-425.0
754.9
View list
6
1140146771
Morrison, C (Charlie)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
7
2130139077
Don, M (Mikayla)
1
0.0
0
0
1
0.0
1179.9
-425.0
754.9
View list
8
2100118904
Claassen, K (Keaney)
1
0.0
0
0
1
0.0
1179.9
-425.0
754.9
View list
9
1120158968
Berry, S (Seth)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list