Chess South Africa
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Chess South Africa
Witbooi, J (Juan)
Dob:
2007/09/28 (U18)
Gender:
Male
Chess SA id:
1070111524
FIDE id:
Region:
Overberg (WOS)
Citizen:
RSA
Title(s):
Last active:
2023/09/03 (255 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
1275.3
Curent Weighted rating
1278.4
Curent Weighted performance
1107.6
Current official/published rating (highest between Raw, WR and WP)
1278.4
Current floor (min rating allowed)
823.4
Current highest rating achieved
1323.4
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)
±148.9
Current Raw change used (final)
0.0
Projected new Raw rating
1275.3
Projected new Weighed rating
1277.9
Projected new Weighted performance
1107.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1277.9
Projected effective change (new Official - current Official)
-0.5
Projected new highest rating
1323.4
Projected new floor
823.4
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
1263.8
Curent Weighted rating
1267.1
Curent Weighted performance
1019.4
Current official/published rating (highest between Raw, WR and WP)
1267.1
Current floor (min rating allowed)
824.3
Current highest rating achieved
1324.3
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)
±151.4
Current Raw change used (final)
0.0
Projected new Raw rating
1263.8
Projected new Weighed rating
1266.6
Projected new Weighted performance
1019.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1266.6
Projected effective change (new Official - current Official)
-0.5
Projected new highest rating
1324.3
Projected new floor
824.3
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
1238.8
Curent Weighted rating
1234.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1238.8
Current floor (min rating allowed)
738.8
Current highest rating achieved
1238.8
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)
±156.9
Current Raw change used (final)
0.0
Projected new Raw rating
1238.8
Projected new Weighed rating
1235.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1238.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1238.8
Projected new floor
738.8
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)
738.8
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
738.8
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
12
Western Cape Top Schools 2023 (U18 Mixed)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
6
5
1.0
1323.4
1324.3
Analysis
11
Overberg Top Schools 2023 (U15+U18)
2023/08/05
2023/08/05
Overberg (WOS)
Standard
60
0.83
5
5
5.0
1266.9
1251.9
Analysis
10
Overberg High School Closed 2023 (U17 Boys)
2023/03/25
2023/03/25
Overberg (WOS)
Standard
60
0.83
5
5
2.0
1289.9
1281.4
Analysis
9
Overberg High Schools Trails 2023 (U17)
2023/02/24
2023/02/24
Overberg (WOS)
Rapid
15
0.39
5
5
3.0
1291.4
1200.0
Analysis
8
Overberg Schools Open Tournament 2023 (U16)
2023/02/11
2023/02/11
Overberg (WOS)
Rapid
20
0.47
5
5
3.0
1291.4
1200.0
Analysis
7
OCF Chess Tournament 2 2020 (U14)
2020/02/01
2020/02/01
Overberg (WOS)
Standard
60
0.83
5
5
4.5
1236.9
1227.8
Analysis
6
2019 South African Junior Team Championships (U14D)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
3.0
1302.1
1293.7
Analysis
5
2019 Western Cape Club Championship (C)
2019/10/25
2019/10/27
Overberg (WOS)
Standard
65
0.85
5
5
4.0
1234.4
1233.1
Analysis
4
Western Cape Top Schools 2019 (U13 Mix)
2019/08/31
2019/09/01
Cape Winelands (WCW)
Standard
60
0.83
5
5
2.0
1260.7
1268.4
Analysis
3
Overberg Top Schools 2019 (U13)
2019/07/20
2019/07/20
Overberg (WOS)
Standard
60
0.83
5
5
5.0
1185.7
1178.4
Analysis
2
Western Cape Schools Individuals 2019 (U13 Boys)
2019/05/18
2019/05/19
Eden District (WEG)
Standard
60
0.83
6
6
3.0
1196.7
1192.4
Analysis
1
Trial 2 Teddy/Toy Tournament 2019 (U14)
2019/04/06
2019/04/06
Overberg (WOS)
Standard
60
0.83
5
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
68
43
1
24
43.5
64.0
118.7
1180.6
1299.3
White
35
26
0
9
26.0
74.3
206.4
1187.1
1393.5
Black
33
17
1
15
17.5
53.0
25.8
1173.6
1199.4
Standard
All
58
37
1
20
37.5
64.7
124.6
1177.3
1301.9
White
30
23
0
7
23.0
76.7
226.7
1179.0
1405.6
Black
28
14
1
13
14.5
51.8
15.2
1175.5
1190.7
Rapid
All
10
6
0
4
6.0
60.0
85.0
1199.4
1284.4
White
5
3
0
2
3.0
60.0
85.0
1235.9
1320.9
Black
5
3
0
2
3.0
60.0
85.0
1162.9
1247.9
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
1070100613
Gabriels, J (Jawon)
4
3.0
3
0
1
75.0
1208.0
212.5
1420.5
View list
2
1060116655
Baatjies, L (Lindrynn)
2
2.0
2
0
0
100.0
1185.7
425.0
1610.7
View list
3
1070102790
Beyers, D (Donatello)
2
2.0
2
0
0
100.0
1185.7
425.0
1610.7
View list
4
208091547
Hendricks, J (Jacquin)
2
2.0
2
0
0
100.0
1185.7
425.0
1610.7
View list
5
1070100617
Stuurman, L (Leilani)
2
2.0
2
0
0
100.0
1185.7
425.0
1610.7
View list
6
1060150675
Latier, L (Lushib)
2
1.0
1
0
1
50.0
1291.4
0.0
1291.4
View list
7
208084107
Beveridge, TG (Talitha)
1
1.0
1
0
0
100.0
1236.9
425.0
1661.9
View list
8
2090116649
Bekker, A (Angelica)
1
1.0
1
0
0
100.0
1234.4
425.0
1659.4
View list
9
1070118850
Baans, C (Coben)
1
1.0
1
0
0
100.0
1260.7
425.0
1685.7
View list
10
1070099823
Botha, J (Joshua)
1
1.0
1
0
0
100.0
1236.9
425.0
1661.9
View list
11
106076810
Botha, D (Dale)
1
1.0
1
0
0
100.0
1196.7
425.0
1621.7
View list
12
107056863
Boucher, Z (Zander)
1
1.0
1
0
0
100.0
1302.1
425.0
1727.1
View list
13
107088986
Du Toit, M (Marlo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
14
1060106598
Du Plessis, LJ (Lodewyk Johannes)
1
1.0
1
0
0
100.0
1266.9
425.0
1691.9
View list
15
1080150671
Davids, A (Abdaab)
1
1.0
1
0
0
100.0
1291.4
425.0
1716.4
View list
16
2080152207
Darby, M (Mande-Marie)
1
1.0
1
0
0
100.0
1266.9
425.0
1691.9
View list
17
1060152224
Damons, K (Keagon)
1
1.0
1
0
0
100.0
1289.9
425.0
1714.9
View list
18
2070111344
Claassen, R (Rhoda-Leigh)
1
1.0
1
0
0
100.0
1236.9
425.0
1661.9
View list
19
107091560
Fourie, T (Tristan)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
20
2080159254
Galant, K (Keira)
1
1.0
1
0
0
100.0
1266.9
425.0
1691.9
View list