Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Van Rooyen, J (Jean)
Dob:
2009/04/06 (U16)
Gender:
Male
Chess SA id:
1090156762
FIDE id:
Region:
Bojanala Platina (NBR)
Citizen:
RSA
Title(s):
Last active:
2023/08/19 (272 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
1235.6
Curent Weighted rating
1227.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1235.6
Current floor (min rating allowed)
735.6
Current highest rating achieved
1235.6
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)
±157.6
Current Raw change used (final)
0.0
Projected new Raw rating
1235.6
Projected new Weighed rating
1228.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1235.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1235.6
Projected new floor
735.6
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
1237.4
Curent Weighted rating
1229.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1237.4
Current floor (min rating allowed)
737.4
Current highest rating achieved
1237.4
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)
±157.2
Current Raw change used (final)
0.0
Projected new Raw rating
1237.4
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)
1237.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1237.4
Projected new floor
737.4
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
1150.0
Curent Weighted rating
1167.5
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1167.5
Current floor (min rating allowed)
700.0
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)
±178.1
Current Raw change used (final)
0.0
Projected new Raw rating
1150.0
Projected new Weighed rating
1165.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1165.2
Projected effective change (new Official - current Official)
-2.3
Projected new highest rating
1200.0
Projected new floor
700.0
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)
700.0
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
700.0
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
Bojanala School League 2023 (U15)
2023/08/19
2023/08/19
Bojanala Platina (NBR)
Rapid
40
0.70
5
5
2.0
1231.1
1200.0
Analysis
2
Bojanala's Rosewood 2023 (Rooks)
2023/08/12
2023/08/12
Bojanala Platina (NBR)
Standard
60
0.83
5
0
0.0
1231.1
1237.4
Analysis
1
Olienpark - 2nd One for the Ages 2023 (U16)
2023/05/13
2023/05/13
Bojanala Platina (NBR)
Standard
60
0.83
5
4
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
9
5
0
4
5.0
55.6
47.2
1281.1
1328.3
White
4
1
0
3
1.0
25.0
-212.5
1329.4
1116.9
Black
5
4
0
1
4.0
80.0
255.0
1242.4
1497.4
Standard
All
4
3
0
1
3.0
75.0
212.5
1208.8
1421.3
White
2
1
0
1
1.0
50.0
0.0
1226.8
1226.8
Black
2
2
0
0
2.0
100.0
425.0
1190.8
1615.8
Rapid
All
5
2
0
3
2.0
40.0
-85.0
1338.9
1253.9
White
2
0
0
2
0.0
0.0
-425.0
1432.0
1007.0
Black
3
2
0
1
2.0
66.7
141.7
1276.9
1418.5
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
1080156759
Mogapi, B (Blessing)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
208092670
Mfi, R (Reatlegile)
1
1.0
1
0
0
100.0
1231.1
425.0
1656.1
View list
3
1090159997
Masilo, T (Tumelo)
1
1.0
1
0
0
100.0
1231.1
425.0
1656.1
View list
4
1090140022
Lesejane, T (Tshireletso)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1090149566
Du Plessis, A (Anika)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
108065178
Van Der Walt, JHT (Jean Hendrik T)
1
0.0
0
0
1
0.0
1231.1
-425.0
806.1
View list
7
1090111282
Pedersen, J (Jj)
1
0.0
0
0
1
0.0
1231.1
-425.0
806.1
View list
8
208078409
Morake, O (Orefile)
1
0.0
0
0
1
0.0
1231.1
-425.0
806.1
View list
9
108076459
Molefinyane, O (Otlotleng)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list