Chess South Africa
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Chess South Africa
Witbooi, J (Joy)
Dob:
2000/01/05 (Adult)
Gender:
Female
Chess SA id:
200043136
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2018/04/29 (2253 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
808.0
Current Weighted rating
777.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
808.0
Current highest rating achieved
808.0
Current floor (min rating allowed)
500.0
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)
±289.9
Current Raw change used (final)
0.0
Projected new Raw rating
808.0
Projected new Weighed rating
715.8
Projected new Weighted performance
156.7
Projected new final Raw rating (if new WP > new Raw)
808.0
Projected new highest rating
808.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
808.0
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
808.0
Current Weighted rating
770.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
808.0
Current highest rating achieved
808.0
Current floor (min rating allowed)
500.0
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)
±289.9
Current Raw change used (final)
0.0
Projected new Raw rating
808.0
Projected new Weighed rating
709.9
Projected new Weighted performance
121.1
Projected new final Raw rating (if new WP > new Raw)
808.0
Projected new highest rating
808.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
808.0
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
645.2
Current Weighted rating
645.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
645.2
Current highest rating achieved
645.2
Current floor (min rating allowed)
500.0
Current K-factor
40
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)
±365.5
Current Raw change used (final)
0.0
Projected new Raw rating
645.2
Projected new Weighed rating
593.6
Projected new Weighted performance
62.5
Projected new final Raw rating (if new WP > new Raw)
645.2
Projected new highest rating
645.2
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
645.2
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
570.4
Current Weighted rating
570.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
570.4
Current highest rating achieved
570.4
Current floor (min rating allowed)
500.0
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)
±406.6
Current Raw change used (final)
0.0
Projected new Raw rating
570.4
Projected new Weighed rating
524.8
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
570.4
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
570.4
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
3
Spar All Girls Festival 2018
2018/04/28
2018/04/29
Buffalo City (EBC)
Standard
60
0.83
8
8
3.0
693.8
660.4
Analysis
2
Cape Winelands Schools Prestige 2018 (U18 Girls)
2018/03/24
2018/03/25
Cape Winelands (WCW)
Standard
60
0.83
7
7
3.5
570.4
570.4
Analysis
1
Cape Winelands Schools Trials 1 2018 (U18 Girls)
2018/03/03
2018/03/03
Cape Winelands (WCW)
Rapid
30
0.60
6
6
3.0
570.4
570.4
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
21
9
1
11
9.5
45.2
-40.5
941.2
900.8
White
10
3
1
6
3.5
35.0
-127.5
1000.9
873.4
Black
11
6
0
5
6.0
54.5
38.6
887.0
925.7
Standard
All
15
6
1
8
6.5
43.3
-56.7
958.8
902.2
White
7
2
1
4
2.5
35.7
-121.4
1037.5
916.1
Black
8
4
0
4
4.0
50.0
0.0
890.0
890.0
Rapid
All
6
3
0
3
3.0
50.0
0.0
897.3
897.3
White
3
1
0
2
1.0
33.3
-141.7
915.4
773.7
Black
3
2
0
1
2.0
66.7
141.7
879.1
1020.8
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
202046589
Booysen, L (Lee-Ann)
2
0.0
0
0
2
0.0
570.4
-425.0
145.4
View list
2
202072886
Dastile, L (Lulamela)
1
1.0
1
0
0
100.0
570.4
425.0
995.4
View list
3
202087317
Olivier, E (Elginay)
1
1.0
1
0
0
100.0
570.4
425.0
995.4
View list
4
201054287
Mhlabane, N (Nelitha)
1
1.0
1
0
0
100.0
693.8
425.0
1118.8
View list
5
201016479
Kritzinger, A (Abbigail)
1
1.0
1
0
0
100.0
570.4
425.0
995.4
View list
6
202012249
Hendricks, LC (Lesego)
1
1.0
1
0
0
100.0
693.8
425.0
1118.8
View list
7
2020098019
Williams, B (Bernelee)
1
1.0
1
0
0
100.0
570.4
425.0
995.4
View list
8
202077772
Sym, M (Mcayla)
1
1.0
1
0
0
100.0
570.4
425.0
995.4
View list
9
202087320
September, A (Amelia)
1
1.0
1
0
0
100.0
570.4
425.0
995.4
View list
10
203055279
Reddy, D (Drianca)
1
1.0
1
0
0
100.0
693.8
425.0
1118.8
View list
11
202030284
Pietersen, J (Jody-Lee)
1
0.5
0
1
0
50.0
570.4
0.0
570.4
View list
12
201041927
Visser, L (Louhandri)
1
0.0
0
0
1
0.0
693.8
-425.0
268.8
View list
13
202039440
Van Der Walt, AB (Bernize)
1
0.0
0
0
1
0.0
693.8
-425.0
268.8
View list
14
200076641
Truter, T (Tehillah)
1
0.0
0
0
1
0.0
570.4
-425.0
145.4
View list
15
202049758
Pietersen, G (Genevieve)
1
0.0
0
0
1
0.0
570.4
-425.0
145.4
View list
16
202090447
Gosa, C (Cwenga)
1
0.0
0
0
1
0.0
693.8
-425.0
268.8
View list
17
202049736
Davids, C (Christa)
1
0.0
0
0
1
0.0
570.4
-425.0
145.4
View list
18
204082201
Commaille, E (Erin)
1
0.0
0
0
1
0.0
693.8
-425.0
268.8
View list
19
201079539
Amrouni, G (Gabrielle)
1
0.0
0
0
1
0.0
693.8
-425.0
268.8
View list
20
202076692
Adams, L (Logan)
1
0.0
0
0
1
0.0
570.4
-425.0
145.4
View list