Chess South Africa
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Chess South Africa
Foster, B (Bjorn)
Dob:
2015/02/11 (U10)
Gender:
Male
Chess SA id:
1150150111
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2024/03/03 (115 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
1153.2
Current Weighted rating
1177.5
Current Weighted performance
1079.1
Current official/published rating (highest between Raw, WR and WP)
1177.5
Current highest rating achieved
1226.4
Current floor (min rating allowed)
726.4
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)
±177.2
Current Raw change used (final)
0.0
Projected new Raw rating
1153.2
Projected new Weighed rating
1082.6
Projected new Weighted performance
1079.1
Projected new final Raw rating (if new WP > new Raw)
1153.2
Projected new highest rating
1226.4
Projected new floor
726.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1153.2
Projected effective change (new Official - current Official)
-24.3
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
1146.4
Current Weighted rating
1190.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1190.4
Current highest rating achieved
1239.6
Current floor (min rating allowed)
739.6
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)
±179.0
Current Raw change used (final)
0.0
Projected new Raw rating
1146.4
Projected new Weighed rating
1094.8
Projected new Weighted performance
872.9
Projected new final Raw rating (if new WP > new Raw)
1146.4
Projected new highest rating
1239.6
Projected new floor
739.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1146.4
Projected effective change (new Official - current Official)
-44.0
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
1159.5
Current Weighted rating
1167.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1167.1
Current highest rating achieved
1223.2
Current floor (min rating allowed)
723.2
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)
±175.7
Current Raw change used (final)
0.0
Projected new Raw rating
1159.5
Projected new Weighed rating
1072.9
Projected new Weighted performance
954.2
Projected new final Raw rating (if new WP > new Raw)
1159.5
Projected new highest rating
1223.2
Projected new floor
723.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1159.5
Projected effective change (new Official - current Official)
-7.6
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
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
3
Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys)
2024/03/02
2024/03/03
Cape Town (WCT)
Standard
60
0.83
6
6
0.5
1226.4
1239.6
Analysis
2
De Hoop Teams Play Offs 2023 (U9 Mixed)
2024/02/10
2024/02/10
Cape Town (WCT)
Standard
60
0.83
5
5
3.0
1170.5
1200.0
Analysis
1
CT District East Schools Chess Individuals Trails 2024 (U7+U9 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
5
3.0
1170.5
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
8
Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys)
2024/03/02
2024/03/03
Cape Town (WCT)
Standard
60
0.83
6
6
0.5
1226.4
1239.6
Analysis
7
De Hoop Teams Play Offs 2023 (U9 Mixed)
2024/02/10
2024/02/10
Cape Town (WCT)
Standard
60
0.83
5
5
3.0
1170.5
1200.0
Analysis
6
CT District East Schools Chess Individuals Trails 2024 (U7+U9 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
5
3.0
1170.5
1200.0
Analysis
5
Grant East Primary School Invitational Chess Tournament 2023 (U9 Mixed)
2023/11/04
2023/11/04
Cape Town (WCT)
Rapid
30
0.60
6
6
3.5
1151.5
1122.4
Analysis
4
De Hoop Chess Championship 2023 (U8)
2023/10/14
2023/10/14
Cape Town (WCT)
Rapid
30
0.60
5
4
1.0
1169.2
1147.6
Analysis
3
CT Metro District East Top Schools Chess 2023 (U9 Mixed)
2023/07/29
2023/07/29
Cape Town (WCT)
Rapid
30
0.60
5
2
0.0
1190.6
1182.2
Analysis
2
Rhenish Primary Tournament 2023 (U10)
2023/05/13
2023/05/13
Cape Winelands (WCW)
Rapid
30
0.60
5
5
1.5
1214.4
1223.2
Analysis
1
De Hoop Teams Play Offs 2023 (U9 Mixed)
2023/02/11
2023/02/11
Cape Town (WCT)
Rapid
30
0.60
5
5
3.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
16
6
1
9
6.5
40.6
-79.7
1241.0
1161.3
White
8
2
0
6
2.0
25.0
-212.5
1275.2
1062.7
Black
8
4
1
3
4.5
56.3
53.1
1206.8
1259.9
Standard
All
16
6
1
9
6.5
40.6
-79.7
1241.0
1161.3
White
8
2
0
6
2.0
25.0
-212.5
1275.2
1062.7
Black
8
4
1
3
4.5
56.3
53.1
1206.8
1259.9
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
38
14
3
21
15.5
40.8
-78.3
1220.6
1142.3
White
19
5
1
13
5.5
28.9
-178.9
1238.0
1059.0
Black
19
9
2
8
10.0
52.6
22.4
1203.3
1225.6
Standard
All
16
6
1
9
6.5
40.6
-79.7
1241.0
1161.3
White
8
2
0
6
2.0
25.0
-212.5
1275.2
1062.7
Black
8
4
1
3
4.5
56.3
53.1
1206.8
1259.9
Rapid
All
22
8
2
12
9.0
40.9
-77.3
1205.8
1128.5
White
11
3
1
7
3.5
31.8
-154.5
1210.9
1056.3
Black
11
5
1
5
5.5
50.0
0.0
1200.7
1200.7
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
1150150107
Burnett, T (Tomas)
3
1.0
1
0
2
33.3
1179.9
-141.7
1038.2
View list
2
1150150112
Fourie, S (Steph)
3
0.0
0
0
3
0.0
1179.9
-425.0
754.9
View list
3
1160150117
Lin, J (Junming)
2
2.0
2
0
0
100.0
1161.0
425.0
1586.0
View list
4
1160158922
Koen, G (Gustav)
2
0.0
0
0
2
0.0
1180.5
-425.0
755.5
View list
5
1150140699
Marais, A (Alexander)
2
0.0
0
0
2
0.0
1161.0
-425.0
736.0
View list
6
1150193273
Krengo, O (Olwakhe)
1
1.0
1
0
0
100.0
1170.5
425.0
1595.5
View list
7
1150193466
Luzaruo, P (Prins)
1
1.0
1
0
0
100.0
1170.5
425.0
1595.5
View list
8
1160162752
Lourens, S (Simeon Juda)
1
1.0
1
0
0
100.0
1170.5
425.0
1595.5
View list
9
1150193462
Biesenbach, J (Johannes)
1
1.0
1
0
0
100.0
1170.5
425.0
1595.5
View list
10
2170193481
Armstrong, C (Charlotte)
1
1.0
1
0
0
100.0
1170.5
425.0
1595.5
View list
11
1140151156
Amoraal, S (Simeon)
1
1.0
1
0
0
100.0
1151.5
425.0
1576.5
View list
12
1140156877
Cloete, D (Dale)
1
1.0
1
0
0
100.0
1214.4
425.0
1639.4
View list
13
1140150119
Potgieter, E (Ean)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
14
1150150122
Schutte, M (Maks)
1
1.0
1
0
0
100.0
1169.2
425.0
1594.2
View list
15
1150191256
Snyman, D (Daniel)
1
1.0
1
0
0
100.0
1151.5
425.0
1576.5
View list
16
1150150124
Wantenaar, X (Xander)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
17
1140191245
Du Toit, N (Nayvin)
1
0.5
0
1
0
50.0
1151.5
0.0
1151.5
View list
18
1140156879
Kruger, H (Hanko)
1
0.5
0
1
0
50.0
1214.4
0.0
1214.4
View list
19
1150147907
Sonday, R (Rayyan)
1
0.5
0
1
0
50.0
1226.4
0.0
1226.4
View list
20
1140156880
Massyn, L (Lincoln)
1
0.0
0
0
1
0.0
1214.4
-425.0
789.4
View list