Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Grobler, J (Janko)
Dob:
2005/08/08 (U20)
Gender:
Male
Chess SA id:
1050108859
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2022/03/13 (796 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
1258.2
Curent Weighted rating
1258.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1258.2
Current floor (min rating allowed)
758.2
Current highest rating achieved
1258.2
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)
±152.6
Current Raw change used (final)
0.0
Projected new Raw rating
1258.2
Projected new Weighed rating
1258.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1258.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1258.2
Projected new floor
758.2
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
1187.6
Curent Weighted rating
1187.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1187.6
Current floor (min rating allowed)
687.6
Current highest rating achieved
1187.6
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)
±168.8
Current Raw change used (final)
0.0
Projected new Raw rating
1187.6
Projected new Weighed rating
1187.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1187.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1187.6
Projected new floor
687.6
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
1231.6
Curent Weighted rating
1231.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1231.6
Current floor (min rating allowed)
731.6
Current highest rating achieved
1231.6
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)
±158.5
Current Raw change used (final)
0.0
Projected new Raw rating
1231.6
Projected new Weighed rating
1231.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1231.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1231.6
Projected new floor
731.6
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
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)
731.6
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
731.6
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
2
2022 East Dist Individuals (U18)
2022/03/13
2022/03/13
Cape Town (WCT)
Rapid
45
0.74
6
5
4.0
1190.7
1200.0
Analysis
1
2019 Metro-East District Schools Trials (U15)
2019/02/01
2019/02/02
Cape Town (WCT)
Standard
60
0.83
6
6
3.0
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
11
7
0
4
7.0
63.6
115.9
1237.2
1353.1
White
6
5
0
1
5.0
83.3
283.3
1280.1
1563.4
Black
5
2
0
3
2.0
40.0
-85.0
1185.7
1100.7
Standard
All
6
3
0
3
3.0
50.0
0.0
1158.3
1158.3
White
3
2
0
1
2.0
66.7
141.7
1204.4
1346.0
Black
3
1
0
2
1.0
33.3
-141.7
1112.1
970.5
Rapid
All
5
4
0
1
4.0
80.0
255.0
1331.9
1586.9
White
3
3
0
0
3.0
100.0
425.0
1355.8
1780.8
Black
2
1
0
1
1.0
50.0
0.0
1296.0
1296.0
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
1040138907
Aliva, K (Kuhlenathi)
1
1.0
1
0
0
100.0
1190.7
425.0
1615.7
View list
2
2050108846
Rhode, C (Claudia)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
106092064
Msebi, S (Simamkele)
1
1.0
1
0
0
100.0
1190.7
425.0
1615.7
View list
4
1040108873
Mbewuleni, S (Sihle)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1050103555
Matyobeni, M (Mbongeni)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
2060138923
Jacobs, C (Caitlin)
1
1.0
1
0
0
100.0
1190.7
425.0
1615.7
View list
7
2060108811
Van Niekerk, L (Lizelle)
1
1.0
1
0
0
100.0
1190.7
425.0
1615.7
View list
8
104076823
Swartz, D (David)
1
0.0
0
0
1
0.0
1190.7
-425.0
765.7
View list
9
104073101
De Kock, C (Cian)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
1040098619
Mandyoli, L (Lisakhanya)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
11
104082184
Kleynhans, T (Teon)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list