Chess South Africa
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Chess South Africa
Jonas, O (Ongezwa)
Dob:
1998/06/23 (Adult)
Gender:
Female
Chess SA id:
298092464
FIDE id:
Region:
Nelson Mandela Bay (ENM)
Citizen:
RSA
Title(s):
Last active:
2022/03/21 (774 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
1075.6
Curent Weighted rating
1070.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1075.6
Current floor (min rating allowed)
597.4
Current highest rating achieved
1097.4
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)
±198.0
Current Raw change used (final)
0.0
Projected new Raw rating
1075.6
Projected new Weighed rating
1071.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1075.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1097.4
Projected new floor
597.4
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
1093.6
Curent Weighted rating
1093.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1093.6
Current floor (min rating allowed)
593.6
Current highest rating achieved
1093.6
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)
±193.0
Current Raw change used (final)
0.0
Projected new Raw rating
1093.6
Projected new Weighed rating
1093.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1093.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1093.6
Projected new floor
593.6
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
1098.4
Curent Weighted rating
1098.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1098.4
Current floor (min rating allowed)
598.4
Current highest rating achieved
1098.4
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)
±191.6
Current Raw change used (final)
0.0
Projected new Raw rating
1098.4
Projected new Weighed rating
1098.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1098.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1098.4
Projected new floor
598.4
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
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)
598.4
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
598.4
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
2022 Madibaz Rapid Chess Tournament 2
2022/03/21
2022/03/21
Nelson Mandela Bay (ENM)
Rapid
15
0.39
5
5
0.0
1097.4
1200.0
Analysis
2
2019 USSA Championships (Women)
2019/12/02
2019/12/06
Sarah Baartman (ESB)
Standard
90
0.94
9
9
3.5
1095.1
1088.4
Analysis
1
2018 USSA Championship (Ladies)
2018/07/02
2018/07/06
Gert Sibande (MGS)
Standard
90
0.94
9
9
2.5
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
23
5
2
16
6.0
26.1
-203.3
1150.1
946.9
White
11
2
0
9
2.0
18.2
-270.5
1131.7
861.3
Black
12
3
2
7
4.0
33.3
-141.7
1167.0
1025.3
Standard
All
18
5
2
11
6.0
33.3
-141.7
1134.2
992.5
White
8
2
0
6
2.0
25.0
-212.5
1106.1
893.6
Black
10
3
2
5
4.0
40.0
-85.0
1156.7
1071.7
Rapid
All
5
0
0
5
0.0
0.0
-425.0
1207.5
782.5
White
3
0
0
3
0.0
0.0
-425.0
1200.0
775.0
Black
2
0
0
2
0.0
0.0
-425.0
1218.7
793.7
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
2000119900
Hlase, RH (Refiloe Hope)
1
1.0
1
0
0
100.0
1095.1
425.0
1520.1
View list
2
2000119892
Mawetu, S (Sambo)
1
1.0
1
0
0
100.0
1095.1
425.0
1520.1
View list
3
2960104036
Nxumalo, N (Nontethelelo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
2940104045
Ndlovu, N (Nomonde)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
2980119903
Nhlambo, S (Sanchia)
1
1.0
1
0
0
100.0
1095.1
425.0
1520.1
View list
6
2000119897
Jim, Y (Yolanda)
1
0.5
0
1
0
50.0
1095.1
0.0
1095.1
View list
7
2980104038
Ngcobo, P (Pretty)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
8
295034156
Sepuru, R (Robin)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
1990119863
Sajini, A (Athenkosi)
1
0.0
0
0
1
0.0
1097.4
-425.0
672.4
View list
10
2000119901
Palesa, N (Nyai)
1
0.0
0
0
1
0.0
1095.1
-425.0
670.1
View list
11
298068534
Nhlapo, K (Khabonena)
1
0.0
0
0
1
0.0
1095.1
-425.0
670.1
View list
12
1010138979
Nemusunda, A (Ashley)
1
0.0
0
0
1
0.0
1097.4
-425.0
672.4
View list
13
2000119917
Ndlovu, B (Busisiwe)
1
0.0
0
0
1
0.0
1095.1
-425.0
670.1
View list
14
299057586
Mbatha, J (Julieth)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
15
299092462
Mathe, S (Sinethemba)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
16
2980105995
Matenchi, P (Portia)
1
0.0
0
0
1
0.0
1095.1
-425.0
670.1
View list
17
298089047
Marumo, N (Nozibusiso)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
18
203069988
Makhathini, S (Samkelisiwe)
1
0.0
0
0
1
0.0
1097.4
-425.0
672.4
View list
19
298084859
Gaseitsiwe, A (Amogelang)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
20
295047276
Fihla, S (Sibulele)
1
0.0
0
0
1
0.0
1095.1
-425.0
670.1
View list