Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Oberholster, J (Joshua)
Dob:
2015/08/20 (U10)
Gender:
Male
Chess SA id:
1150135769
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2022/06/25 (734 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
1089.9
Current Weighted rating
1089.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1089.9
Current highest rating achieved
1183.1
Current floor (min rating allowed)
683.1
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)
±194.0
Current Raw change used (final)
0.0
Projected new Raw rating
1089.9
Projected new Weighed rating
1002.7
Projected new Weighted performance
385.1
Projected new final Raw rating (if new WP > new Raw)
1089.9
Projected new highest rating
1183.1
Projected new floor
683.1
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1089.9
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
1087.6
Current Weighted rating
1087.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1087.6
Current highest rating achieved
1179.2
Current floor (min rating allowed)
679.2
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)
±194.6
Current Raw change used (final)
0.0
Projected new Raw rating
1087.6
Projected new Weighed rating
1000.6
Projected new Weighted performance
385.1
Projected new final Raw rating (if new WP > new Raw)
1087.6
Projected new highest rating
1179.2
Projected new floor
679.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1087.6
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
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
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)
±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
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
2022 Blou Bul Open (F)
2022/06/25
2022/06/25
Tshwane (GTP)
Standard
90
0.94
5
5
0.0
1183.1
1179.2
Analysis
1
2021 Lardies Ope (F)
2021/10/30
2021/10/30
Tshwane (GTP)
Standard
60
0.83
5
5
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
10
1
2
7
2.0
20.0
-255.0
1185.3
930.3
White
4
0
2
2
1.0
25.0
-212.5
1195.6
983.1
Black
6
1
0
5
1.0
16.7
-283.3
1178.5
895.1
Standard
All
10
1
2
7
2.0
20.0
-255.0
1185.3
930.3
White
4
0
2
2
1.0
25.0
-212.5
1195.6
983.1
Black
6
1
0
5
1.0
16.7
-283.3
1178.5
895.1
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1140135755
Botha, D (Dante)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1140135761
Fourie, P (Pieter)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
3
2140135778
Sutherland, K (Kiona)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
4
2150137423
Vermaak, A (Alri)
1
0.0
0
0
1
0.0
1183.1
-425.0
758.1
View list
5
1140135770
Oosthuizen, V (Vaughn)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
1150134895
Joubert, J (Joshua)
1
0.0
0
0
1
0.0
1183.1
-425.0
758.1
View list
7
2160134894
Conradie, M (Minka)
1
0.0
0
0
1
0.0
1183.1
-425.0
758.1
View list
8
2150137653
Conradie, I (Ingrid)
1
0.0
0
0
1
0.0
1183.1
-425.0
758.1
View list
9
1150136649
Coetzee, A (Adriaan)
1
0.0
0
0
1
0.0
1183.1
-425.0
758.1
View list
10
1140134429
Botha, G (Gregory)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
