Chess South Africa
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Chess South Africa
Botha, D (Derick)
Dob:
2009/02/12 (U16)
Gender:
Male
Chess SA id:
1090107095
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2022/08/27 (638 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
1254.9
Curent Weighted rating
1255.0
Curent Weighted performance
881.0
Current official/published rating (highest between Raw, WR and WP)
1255.0
Current floor (min rating allowed)
764.2
Current highest rating achieved
1264.2
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)
±153.3
Current Raw change used (final)
0.0
Projected new Raw rating
1254.9
Projected new Weighed rating
1254.9
Projected new Weighted performance
881.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1254.9
Projected effective change (new Official - current Official)
-0.1
Projected new highest rating
1264.2
Projected new floor
764.2
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
1205.5
Curent Weighted rating
1205.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1205.6
Current floor (min rating allowed)
715.2
Current highest rating achieved
1215.2
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)
±164.5
Current Raw change used (final)
0.0
Projected new Raw rating
1205.5
Projected new Weighed rating
1205.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1205.5
Projected effective change (new Official - current Official)
-0.1
Projected new highest rating
1215.2
Projected new floor
715.2
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
1275.0
Curent Weighted rating
1275.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1275.0
Current floor (min rating allowed)
775.0
Current highest rating achieved
1275.0
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)
±149.0
Current Raw change used (final)
0.0
Projected new Raw rating
1275.0
Projected new Weighed rating
1275.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1275.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1275.0
Projected new floor
775.0
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)
775.0
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
775.0
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
9
Cape Winelands Schools Top Schools 2022 (U13 Mix)
2022/08/27
2022/08/27
Cape Winelands (WCW)
Standard
60
0.83
5
3
1.0
1264.2
1215.2
Analysis
8
Western Cape Schools 2022 (U13 Boys)
2022/05/28
2022/05/29
Cape Winelands (WCW)
Standard
65
0.85
6
6
3.0
1246.8
1182.4
Analysis
7
Cape Winelands Schools 2022 (U13 Boys)
2022/03/12
2022/03/12
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.5
1221.4
1150.8
Analysis
6
Cape Winelands Schools Closed 2021 (U13 Boys)
2021/09/24
2021/09/24
Cape Winelands (WCW)
Rapid
30
0.60
5
5
3.0
1207.4
1265.3
Analysis
5
2020 Western Province Open (Development)
2020/03/07
2020/03/07
Cape Town (WCT)
Standard
60
0.83
5
5
3.0
1195.1
1129.2
Analysis
4
Cape Winelands Schools Trials 1 2020 (U11 Boys)
2020/02/08
2020/02/08
Cape Winelands (WCW)
Rapid
30
0.60
6
6
4.0
1157.0
1219.6
Analysis
3
Nelson Mandela Rapid 2020 (Primary School)
2020/02/01
2020/02/01
Cape Town (WCT)
Rapid
27
0.57
6
6
3.0
1157.0
1219.6
Analysis
2
Cape Winelands Schools Closed 2019 (U11 Boys)
2019/03/16
2019/03/17
Cape Winelands (WCW)
Standard
60
0.83
7
7
2.5
1207.2
1200.0
Analysis
1
Courtrai Young Masters 2018 (U10)
2018/10/27
2018/10/27
Cape Winelands (WCW)
Rapid
15
0.39
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
48
25
2
21
26.0
54.2
35.4
1213.8
1249.2
White
23
11
2
10
12.0
52.2
18.5
1190.3
1208.7
Black
25
14
0
11
14.0
56.0
51.0
1235.5
1286.5
Standard
All
26
12
2
12
13.0
50.0
0.0
1213.6
1213.6
White
12
6
2
4
7.0
58.3
70.8
1174.4
1245.2
Black
14
6
0
8
6.0
42.9
-60.7
1247.3
1186.6
Rapid
All
22
13
0
9
13.0
59.1
77.3
1214.0
1291.3
White
11
5
0
6
5.0
45.5
-38.6
1207.6
1169.0
Black
11
8
0
3
8.0
72.7
193.2
1220.4
1413.6
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
1100135522
Oosthuizen, E (Ethan)
3
1.0
1
0
2
33.3
1244.1
-141.7
1102.5
View list
2
1100110831
Uys, K (Kayde)
2
2.0
2
0
0
100.0
1214.4
425.0
1639.4
View list
3
109088275
Zungula, C (Chulumanco)
2
1.0
1
0
1
50.0
1182.1
0.0
1182.1
View list
4
1100103428
Fourie, O (Ockert)
1
1.0
1
0
0
100.0
1264.2
425.0
1689.2
View list
5
1090112282
Kana, D (Deequin)
1
1.0
1
0
0
100.0
1157.0
425.0
1582.0
View list
6
1100116672
Kiessling, K (Kai)
1
1.0
1
0
0
100.0
1246.8
425.0
1671.8
View list
7
2080107091
Malan, J (Jade-Leigh)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
1090132306
Baron, Z (Zeke)
1
1.0
1
0
0
100.0
1207.4
425.0
1632.4
View list
9
108072617
Adonis, D (Dylan)
1
1.0
1
0
0
100.0
1195.1
425.0
1620.1
View list
10
109072619
Dangazele, S (Sibabalwe)
1
1.0
1
0
0
100.0
1221.4
425.0
1646.4
View list
11
1100132307
Du Preez, A (Andre)
1
1.0
1
0
0
100.0
1157.0
425.0
1582.0
View list
12
1090097151
De Vlam, J (Jemeal)
1
1.0
1
0
0
100.0
1207.4
425.0
1632.4
View list
13
1090130552
Panalura, O (Ongesa)
1
1.0
1
0
0
100.0
1157.0
425.0
1582.0
View list
14
1100096199
Petersen, S (Shenwin)
1
1.0
1
0
0
100.0
1246.8
425.0
1671.8
View list
15
109078335
Samuels, R (Reagan)
1
1.0
1
0
0
100.0
1221.4
425.0
1646.4
View list
16
1090130553
Scholtz, T (Triston)
1
1.0
1
0
0
100.0
1157.0
425.0
1582.0
View list
17
2130130554
September, C (Chameeka)
1
1.0
1
0
0
100.0
1157.0
425.0
1582.0
View list
18
1090107090
Sharma, M (Mihir)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
19
108090546
Theron, W (Wian)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
20
1090097150
Van Zyl, L (Louis)
1
1.0
1
0
0
100.0
1207.2
425.0
1632.2
View list