Chess South Africa
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Chess South Africa
Posthumus, S (Stephen)
Dob:
2010/03/01 (U16)
Gender:
Male
Chess SA id:
1100138623
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2023/02/04 (468 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
1213.5
Curent Weighted rating
1208.5
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1213.5
Current floor (min rating allowed)
713.5
Current highest rating achieved
1213.5
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)
±162.7
Current Raw change used (final)
0.0
Projected new Raw rating
1213.5
Projected new Weighed rating
1209.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1213.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1213.5
Projected new floor
713.5
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
1233.6
Curent Weighted rating
1229.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1233.6
Current floor (min rating allowed)
733.6
Current highest rating achieved
1233.6
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)
±158.1
Current Raw change used (final)
0.0
Projected new Raw rating
1233.6
Projected new Weighed rating
1230.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1233.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1233.6
Projected new floor
733.6
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
1155.6
Curent Weighted rating
1154.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1155.6
Current floor (min rating allowed)
655.6
Current highest rating achieved
1155.6
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)
±176.6
Current Raw change used (final)
0.0
Projected new Raw rating
1155.6
Projected new Weighed rating
1154.9
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1155.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1155.6
Projected new floor
655.6
Projected new K-facor
40
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)
655.6
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
655.6
Projected new K-facor
36
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
3
North District School Trials 2023 (U13 Boys)
2023/02/03
2023/02/04
Cape Town (WCT)
Standard
60
0.83
6
6
3.5
1176.0
1200.0
Analysis
2
Metro Rapid 2022 (U13 Boys)
2022/10/22
2022/10/22
Cape Town (WCT)
Rapid
30
0.60
5
5
3.0
1161.4
1118.8
Analysis
1
District North 2022 (U13)
2022/03/05
2022/03/05
Cape Town (WCT)
Rapid
30
0.60
6
5
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
16
7
1
8
7.5
46.9
-26.6
1216.5
1189.9
White
9
5
0
4
5.0
55.6
47.2
1239.4
1286.6
Black
7
2
1
4
2.5
35.7
-121.4
1187.1
1065.7
Standard
All
6
3
1
2
3.5
58.3
70.8
1264.8
1335.7
White
3
1
0
2
1.0
33.3
-141.7
1329.6
1188.0
Black
3
2
1
0
2.5
83.3
283.3
1200.0
1483.3
Rapid
All
10
4
0
6
4.0
40.0
-85.0
1187.5
1102.5
White
6
4
0
2
4.0
66.7
141.7
1194.3
1335.9
Black
4
0
0
4
0.0
0.0
-425.0
1177.4
752.4
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
1080138620
Mxuma, L (Lunika)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1110150495
Marks, S (Shaydin)
1
1.0
1
0
0
100.0
1176.0
425.0
1601.0
View list
3
1110150439
Smit, D (Danie)
1
1.0
1
0
0
100.0
1176.0
425.0
1601.0
View list
4
1090134113
Rubusana, A (Anda)
1
1.0
1
0
0
100.0
1161.4
425.0
1586.4
View list
5
1110150421
Faure, D (Douglas)
1
1.0
1
0
0
100.0
1176.0
425.0
1601.0
View list
6
1100118917
Jawoodien, A (Aziz)
1
1.0
1
0
0
100.0
1161.4
425.0
1586.4
View list
7
1100130981
Damonse, C (Cameron)
1
1.0
1
0
0
100.0
1161.4
425.0
1586.4
View list
8
1100150483
Dominique, K (Kabeya Glory)
1
0.5
0
1
0
50.0
1176.0
0.0
1176.0
View list
9
109077360
Van Wyk, W (Will)
1
0.0
0
0
1
0.0
1161.4
-425.0
736.4
View list
10
1110131083
Priestley, L (Liam)
1
0.0
0
0
1
0.0
1176.0
-425.0
751.0
View list
11
2090101921
Kwali, L (Liyabona)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
12
110084035
Jacobs, R (Raidon)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
13
1100132105
Els, A (Aiden)
1
0.0
0
0
1
0.0
1161.4
-425.0
736.4
View list
14
2100097014
De Wee, J (Jaydene)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
15
2090101935
Cloete, N (Nieka)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
16
1110132058
Braaf, J (Jordan)
1
0.0
0
0
1
0.0
1176.0
-425.0
751.0
View list