Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Johnson, M (Michaela)
Dob:
2010/09/08 (U16)
Gender:
Female
Chess SA id:
2100161526
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2023/11/04 (383 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
1136.7
Current Weighted rating
1148.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1148.2
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)
±181.5
Current Raw change used (final)
0.0
Projected new Raw rating
1136.7
Projected new Weighed rating
1055.2
Projected new Weighted performance
475.5
Projected new final Raw rating (if new WP > new Raw)
1136.7
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)
1136.7
Projected effective change (new Official - current Official)
-11.5
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
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
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
1099.9
Current Weighted rating
1117.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1117.9
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)
±191.2
Current Raw change used (final)
0.0
Projected new Raw rating
1099.9
Projected new Weighed rating
1026.7
Projected new Weighted performance
500.5
Projected new final Raw rating (if new WP > new Raw)
1099.9
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)
1099.9
Projected effective change (new Official - current Official)
-18.0
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
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
Grant East Primary School Invitational Chess Tournament 2023 (U13 Mixed)
2023/11/04
2023/11/04
Cape Town (WCT)
Rapid
30
0.60
6
6
1.0
1176.0
1160.0
Analysis
1
Stellenbosch Primary Chess Tournament 2023 (U14)
2023/08/19
2023/08/19
Cape Winelands (WCW)
Rapid
30
0.60
6
6
2.0
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
12
3
0
9
3.0
25.0
-212.5
1193.6
981.1
White
6
2
0
4
2.0
33.3
-141.7
1207.8
1066.1
Black
6
1
0
5
1.0
16.7
-283.3
1179.4
896.1
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
12
3
0
9
3.0
25.0
-212.5
1193.6
981.1
White
6
2
0
4
2.0
33.3
-141.7
1207.8
1066.1
Black
6
1
0
5
1.0
16.7
-283.3
1179.4
896.1
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
1110191235
Grohban, H (Hendricks Paulo)
1
1.0
1
0
0
100.0
1176.0
425.0
1601.0
View list
2
1110161530
Kemp, R (Rian)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1110161528
Jordaan, A (Aj)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
2110156939
October, A (Azraa)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1110147435
Kramer, R (Ruan)
1
0.0
0
0
1
0.0
1176.0
-425.0
751.0
View list
6
1100156929
Janse Van Rensburg, D (Daniel)
1
0.0
0
0
1
0.0
1176.0
-425.0
751.0
View list
7
1100113421
Hamann, L (Louis)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
1100191233
Cornelius, W (Wayden)
1
0.0
0
0
1
0.0
1176.0
-425.0
751.0
View list
9
2100156922
Arries, M (Manon)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
2110156921
Arendse, C (Cadence)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
11
1110191231
Alexander, K (Keathon)
1
0.0
0
0
1
0.0
1176.0
-425.0
751.0
View list
12
1100130337
Abrahams, A (Alvin Ernest)
1
0.0
0
0
1
0.0
1176.0
-425.0
751.0
View list
