Chess South Africa
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Chess South Africa
Botha, S (Sebastian)
Dob:
2014/11/17 (U12)
Gender:
Male
Chess SA id:
1140153029
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2024/04/13 (66 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
1183.3
Current Weighted rating
1194.3
Current Weighted performance
1102.2
Current official/published rating (highest between Raw, WR and WP)
1194.3
Current highest rating achieved
1210.0
Current floor (min rating allowed)
710.0
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)
±169.8
Current Raw change used (final)
0.0
Projected new Raw rating
1183.3
Projected new Weighed rating
1098.5
Projected new Weighted performance
1102.2
Projected new final Raw rating (if new WP > new Raw)
1183.3
Projected new highest rating
1210.0
Projected new floor
710.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1183.3
Projected effective change (new Official - current Official)
-11.0
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
1144.6
Current Weighted rating
1182.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1182.7
Current highest rating achieved
1208.0
Current floor (min rating allowed)
708.0
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)
±179.4
Current Raw change used (final)
0.0
Projected new Raw rating
1144.6
Projected new Weighed rating
1087.4
Projected new Weighted performance
950.6
Projected new final Raw rating (if new WP > new Raw)
1144.6
Projected new highest rating
1208.0
Projected new floor
708.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1144.6
Projected effective change (new Official - current Official)
-38.1
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
1238.5
Current Weighted rating
1208.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1238.5
Current highest rating achieved
1238.5
Current floor (min rating allowed)
738.5
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)
±157.0
Current Raw change used (final)
0.0
Projected new Raw rating
1238.5
Projected new Weighed rating
1112.5
Projected new Weighted performance
738.9
Projected new final Raw rating (if new WP > new Raw)
1238.5
Projected new highest rating
1238.5
Projected new floor
738.5
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1238.5
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.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
Westwood Open 2024 (C)
2024/04/13
2024/04/13
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1192.6
1150.0
Analysis
3
Benoni Primary School Cluster Individuals 2024 (U11 Boys)
2024/03/09
2024/03/09
Ekurhuleni (GE)
Rapid
30
0.60
5
5
3.0
1156.7
1200.0
Analysis
2
Ekurhuleni North Chess Club Open Tournament 2024 (E)
2024/03/02
2024/03/02
Ehlanzeni (MEN)
Rapid
30
0.60
7
7
4.0
1156.7
1200.0
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U10B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
0.0
1205.8
1202.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
6
Westwood Open 2024 (C)
2024/04/13
2024/04/13
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1192.6
1150.0
Analysis
5
Benoni Primary School Cluster Individuals 2024 (U11 Boys)
2024/03/09
2024/03/09
Ekurhuleni (GE)
Rapid
30
0.60
5
5
3.0
1156.7
1200.0
Analysis
4
Ekurhuleni North Chess Club Open Tournament 2024 (E)
2024/03/02
2024/03/02
Ehlanzeni (MEN)
Rapid
30
0.60
7
7
4.0
1156.7
1200.0
Analysis
3
2024 Gauteng Inter-Region Chess Championship (U10B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
0.0
1205.8
1202.6
Analysis
2
Ekurhuleni Chess Trial 3 2023 (U10)
2023/06/17
2023/06/17
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1210.0
1208.0
Analysis
1
Ekhuruleni Chess Trials 1 2023 (U8+U10)
2023/03/25
2023/03/25
Ekurhuleni (GE)
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
21
9
0
12
9.0
42.9
-60.7
1233.0
1172.3
White
11
4
0
7
4.0
36.4
-115.9
1247.4
1131.5
Black
10
5
0
5
5.0
50.0
0.0
1217.2
1217.2
Standard
All
9
2
0
7
2.0
22.2
-236.1
1272.2
1036.1
White
5
1
0
4
1.0
20.0
-255.0
1281.5
1026.5
Black
4
1
0
3
1.0
25.0
-212.5
1260.7
1048.2
Rapid
All
12
7
0
5
7.0
58.3
70.8
1203.6
1274.5
White
6
3
0
3
3.0
50.0
0.0
1219.0
1219.0
Black
6
4
0
2
4.0
66.7
141.7
1188.2
1329.9
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
31
14
0
17
14.0
45.2
-41.1
1230.5
1189.3
White
17
6
0
11
6.0
35.3
-125.0
1247.3
1122.3
Black
14
8
0
6
8.0
57.1
60.7
1210.0
1270.8
Standard
All
19
7
0
12
7.0
36.8
-111.8
1247.4
1135.6
White
11
3
0
8
3.0
27.3
-193.2
1262.7
1069.5
Black
8
4
0
4
4.0
50.0
0.0
1226.4
1226.4
Rapid
All
12
7
0
5
7.0
58.3
70.8
1203.6
1274.5
White
6
3
0
3
3.0
50.0
0.0
1219.0
1219.0
Black
6
4
0
2
4.0
66.7
141.7
1188.2
1329.9
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
1140143723
Collins, J (Jaytem)
2
2.0
2
0
0
100.0
1178.3
425.0
1603.3
View list
2
1150142638
Els, L (Luan)
1
1.0
1
0
0
100.0
1210.0
425.0
1635.0
View list
3
1130301227
Du Preez, D (Daniel)
1
1.0
1
0
0
100.0
1156.7
425.0
1581.7
View list
4
1160301335
Michel, N (Nazario)
1
1.0
1
0
0
100.0
1156.7
425.0
1581.7
View list
5
2140155181
Mendonca, N (Nelita)
1
1.0
1
0
0
100.0
1156.7
425.0
1581.7
View list
6
1150151765
Louw, J (Jean)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
2130302653
Nankervis, C (Chloe)
1
1.0
1
0
0
100.0
1192.6
425.0
1617.6
View list
8
1150148078
Naicker, K (Kahlayo)
1
1.0
1
0
0
100.0
1210.0
425.0
1635.0
View list
9
1140153987
Nortje, O (Owen)
1
1.0
1
0
0
100.0
1192.6
425.0
1617.6
View list
10
1140301245
Sardinha, S (Seveano)
1
1.0
1
0
0
100.0
1156.7
425.0
1581.7
View list
11
2140158233
Van Der Westhuizen, L (L-Ree)
1
1.0
1
0
0
100.0
1156.7
425.0
1581.7
View list
12
1150151775
Van Wyk, P (Paul)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
13
1140301253
Voogt, J (Jaak)
1
1.0
1
0
0
100.0
1156.7
425.0
1581.7
View list
14
1140148614
Subroyen, J (Jeevesh)
1
0.0
0
0
1
0.0
1205.8
-425.0
780.8
View list
15
2140141407
Rossouw, L (Lience)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
16
1150139812
Ramorula, O (Oreithlaoletse)
1
0.0
0
0
1
0.0
1156.7
-425.0
731.7
View list
17
2140153037
Potgieter, L (Lienke)
1
0.0
0
0
1
0.0
1192.6
-425.0
767.6
View list
18
1140112260
Pillay, J (Joshua)
1
0.0
0
0
1
0.0
1192.6
-425.0
767.6
View list
19
1140134624
Opperman, N (Naude)
1
0.0
0
0
1
0.0
1210.0
-425.0
785.0
View list
20
1140301239
Nortje, L (Luke)
1
0.0
0
0
1
0.0
1156.7
-425.0
731.7
View list