Chess South Africa
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Chess South Africa
Mahlangu, J (Jonas)
Dob:
2005/10/30 (U20)
Gender:
Male
Chess SA id:
1050103258
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2019/05/11 (2024 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
1158.5
Current Weighted rating
1158.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1158.5
Current highest rating achieved
1158.5
Current floor (min rating allowed)
658.5
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)
±175.9
Current Raw change used (final)
0.0
Projected new Raw rating
1158.5
Projected new Weighed rating
1065.8
Projected new Weighted performance
165.5
Projected new final Raw rating (if new WP > new Raw)
1158.5
Projected new highest rating
1158.5
Projected new floor
658.5
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1158.5
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
1153.6
Current Weighted rating
1153.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1153.6
Current highest rating achieved
1153.6
Current floor (min rating allowed)
653.6
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)
±177.1
Current Raw change used (final)
0.0
Projected new Raw rating
1153.6
Projected new Weighed rating
1061.3
Projected new Weighted performance
165.5
Projected new final Raw rating (if new WP > new Raw)
1153.6
Projected new highest rating
1153.6
Projected new floor
653.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1153.6
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
2019 D15 Individual Finals (U15 Boys)
2019/05/11
2019/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1126.3
1112.0
Analysis
1
2018 Gauteng Secondary Schools Individual Chess Championships (U13 Boys)
2018/05/25
2018/05/25
Tshwane (GTP)
Standard
60
0.83
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
4
0
5
4.0
44.4
-47.2
1065.5
1018.3
White
4
1
0
3
1.0
25.0
-212.5
1015.6
803.1
Black
5
3
0
2
3.0
60.0
85.0
1105.4
1190.4
Standard
All
9
4
0
5
4.0
44.4
-47.2
1065.5
1018.3
White
4
1
0
3
1.0
25.0
-212.5
1015.6
803.1
Black
5
3
0
2
3.0
60.0
85.0
1105.4
1190.4
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
1050115106
Mudau, G (Gerald)
1
1.0
1
0
0
100.0
1126.3
425.0
1551.3
View list
2
106089986
Moseki, L (Lutho)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1040115107
Moreku, T (Thabang)
1
1.0
1
0
0
100.0
1126.3
425.0
1551.3
View list
4
1040115119
Troy, M (Makakaba)
1
1.0
1
0
0
100.0
1126.3
425.0
1551.3
View list
5
105047605
Terblanche, F (Fred)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
1060115125
Pillay, K (Kyle)
1
0.0
0
0
1
0.0
1126.3
-425.0
701.3
View list
7
105054573
Pienaar, S (Schalk)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
106053199
Mazibuko, T (Thembinkosi)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
1040105789
Khan, AHB (Ameer Hamzah Boitumelo)
1
0.0
0
0
1
0.0
1126.3
-425.0
701.3
View list
