Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Witbooi, J (Juan)
Dob:
2007/04/23 (U18)
Gender:
Male
Chess SA id:
1070106133
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2019/09/17 (1742 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
1182.0
Current Weighted rating
1182.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1182.0
Current highest rating achieved
1207.9
Current floor (min rating allowed)
707.9
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)
±170.1
Current Raw change used (final)
0.0
Projected new Raw rating
1182.0
Projected new Weighed rating
1087.4
Projected new Weighted performance
322.0
Projected new final Raw rating (if new WP > new Raw)
1182.0
Projected new highest rating
1207.9
Projected new floor
707.9
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1182.0
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
1168.4
Current Weighted rating
1168.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1168.4
Current highest rating achieved
1168.4
Current floor (min rating allowed)
668.4
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)
±173.5
Current Raw change used (final)
0.0
Projected new Raw rating
1168.4
Projected new Weighed rating
1074.9
Projected new Weighted performance
256.7
Projected new final Raw rating (if new WP > new Raw)
1168.4
Projected new highest rating
1168.4
Projected new floor
668.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1168.4
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
1213.6
Current Weighted rating
1213.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1213.6
Current highest rating achieved
1213.6
Current floor (min rating allowed)
713.6
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)
±162.6
Current Raw change used (final)
0.0
Projected new Raw rating
1213.6
Projected new Weighed rating
1116.5
Projected new Weighted performance
114.5
Projected new final Raw rating (if new WP > new Raw)
1213.6
Projected new highest rating
1213.6
Projected new floor
713.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1213.6
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
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
3
Bontebok 2019 (U14)
2019/09/17
2019/09/17
Overberg (WOS)
Standard
60
0.83
5
5
3.0
1169.7
1149.6
Analysis
2
Overberg School Chess Close Champs 2019 (U13 Boys)
2019/03/08
2019/03/09
Overberg (WOS)
Standard
60
0.83
6
5
2.0
1207.9
1200.0
Analysis
1
Strategema Robertson 2018 (U11)
2018/09/08
2018/09/08
Cape Winelands (WCW)
Rapid
30
0.60
7
5
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
15
8
0
7
8.0
53.3
28.3
1132.9
1161.2
White
8
5
0
3
5.0
62.5
106.3
1116.3
1222.5
Black
7
3
0
4
3.0
42.9
-60.7
1151.9
1091.2
Standard
All
10
5
0
5
5.0
50.0
0.0
1117.9
1117.9
White
6
3
0
3
3.0
50.0
0.0
1103.1
1103.1
Black
4
2
0
2
2.0
50.0
0.0
1140.1
1140.1
Rapid
All
5
3
0
2
3.0
60.0
85.0
1162.9
1247.9
White
2
2
0
0
2.0
100.0
425.0
1155.8
1580.8
Black
3
1
0
2
1.0
33.3
-141.7
1167.6
1025.9
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
106091562
Joubert, A (Antonio)
2
2.0
2
0
0
100.0
1188.8
425.0
1613.8
View list
2
106091575
Pekeur, W (Warren)
2
0.0
0
0
2
0.0
1188.8
-425.0
763.8
View list
3
206088946
Fradie, C (Charlize)
1
1.0
1
0
0
100.0
1169.7
425.0
1594.7
View list
4
107088986
Du Toit, M (Marlo)
1
1.0
1
0
0
100.0
1207.9
425.0
1632.9
View list
5
207088935
Dees, J (Jody)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
1070118484
Mushongera, T (Tadiwanashe)
1
1.0
1
0
0
100.0
1169.7
425.0
1594.7
View list
7
1080106139
Munzvenga, T (Tafadzwa)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
2070106134
Alexander, C (Chante)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
9
207078345
Scheepers, M (Mieke)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
108089031
Mouton, J (Jean)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
11
1070105921
Liebenberg, D (Dewald)
1
0.0
0
0
1
0.0
1207.9
-425.0
782.9
View list
12
107078359
Davids, R (Rafael)
1
0.0
0
0
1
0.0
1169.7
-425.0
744.7
View list
13
106080773
Botha, G (George)
1
0.0
0
0
1
0.0
1207.9
-425.0
782.9
View list