Chess South Africa
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Chess South Africa
Williams, S (Sergio)
Dob:
2005/05/27 (U20)
Gender:
Male
Chess SA id:
1050110213
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2023/09/30 (215 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
1347.0
Curent Weighted rating
1327.8
Curent Weighted performance
1178.6
Current official/published rating (highest between Raw, WR and WP)
1347.0
Current floor (min rating allowed)
847.0
Current highest rating achieved
1347.0
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)
±134.5
Current Raw change used (final)
0.0
Projected new Raw rating
1347.0
Projected new Weighed rating
1330.7
Projected new Weighted performance
1178.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1347.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1347.0
Projected new floor
847.0
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
1251.2
Curent Weighted rating
1249.5
Curent Weighted performance
965.5
Current official/published rating (highest between Raw, WR and WP)
1251.2
Current floor (min rating allowed)
751.2
Current highest rating achieved
1251.2
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)
±154.2
Current Raw change used (final)
0.0
Projected new Raw rating
1251.2
Projected new Weighed rating
1250.3
Projected new Weighted performance
965.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1251.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1251.2
Projected new floor
751.2
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
1309.5
Curent Weighted rating
1268.9
Curent Weighted performance
1136.1
Current official/published rating (highest between Raw, WR and WP)
1309.5
Current floor (min rating allowed)
809.5
Current highest rating achieved
1309.5
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)
±141.9
Current Raw change used (final)
0.0
Projected new Raw rating
1309.5
Projected new Weighed rating
1274.1
Projected new Weighted performance
1136.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1309.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1309.5
Projected new floor
809.5
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
974.0
Curent Weighted rating
974.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
974.0
Current floor (min rating allowed)
809.5
Current highest rating achieved
974.0
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)
±228.8
Current Raw change used (final)
0.0
Projected new Raw rating
974.0
Projected new Weighed rating
974.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
974.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
974.0
Projected new floor
809.5
Projected new K-facor
40
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
17
Basil Ellman Rapid 2023 (B)
2023/09/30
2023/09/30
West Coast (WCU)
Rapid
30
0.60
5
5
4.5
1302.5
1208.7
Analysis
16
Western Cape Woman`s Championship 2022 (Open)
2022/09/02
2022/09/04
West Coast (WCU)
Standard
90
0.94
5
5
4.0
1241.6
1164.0
Analysis
15
Deep Blue Chess Club 2022 (Elite)
2022/08/20
2022/08/20
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1218.9
1177.0
Analysis
14
Basil Ellman Annual Rapid 2022 (Bear 2)
2022/06/25
2022/06/25
West Coast (WCU)
Rapid
30
0.60
5
5
2.0
1238.8
1211.2
Analysis
13
Onder-Weskus Top Skole 2022 (Hoerskool)
2022/06/04
2022/06/04
West Coast (WCU)
Rapid
30
0.60
5
4
3.0
1238.8
1211.2
Analysis
12
Western Cape Schools Chess 2022 (U18 Boys)
2022/05/07
2022/05/08
Eden District (WEG)
Standard
65
0.85
6
6
2.5
1255.0
1171.2
Analysis
11
West Coast Schools Prestige 2022 (U18 Boys)
2022/02/19
2022/02/19
West Coast (WCU)
Standard
60
0.83
6
6
4.0
1240.7
1128.8
Analysis
10
Western Cape Women`s Month Tournament 2021 (Championship)
2021/08/06
2021/08/09
West Coast (WCU)
Standard
90
0.94
6
5
2.0
1241.0
1099.6
Analysis
9
West Coast Open 2021 (Open)
2021/06/26
2021/06/26
West Coast (WCU)
Rapid
28
0.58
6
5
4.0
1202.2
1137.6
Analysis
7
Lower West Coast 2021 (U18 Boys)
2021/04/10
2021/04/10
West Coast (WCU)
Rapid
30
0.60
5
1
0.0
1149.9
1052.4
Analysis
8
Lower West Coast 2021 (U18 Boys)
2021/04/10
2021/04/10
West Coast (WCU)
Rapid
30
0.60
5
5
4.0
1149.9
1052.4
Analysis
6
West Coast Schools Prestige 2020 (U15 Boys)
2020/03/07
2020/03/07
West Coast (WCU)
Rapid
30
0.60
5
5
2.0
1135.7
1025.6
Analysis
5
Onder Weskus Prestige 2020 (U15 Boys)
2020/02/15
2020/02/22
West Coast (WCU)
Standard
60
0.83
6
5
3.0
1094.6
1059.2
Analysis
4
West Coast Club Champs 2019 (A)
2019/09/13
2019/09/14
West Coast (WCU)
Standard
70
0.87
5
5
2.0
1067.1
1038.8
Analysis
3
Western Cape Womans Month Tournament 2019 (C)
2019/08/09
2019/08/11
West Coast (WCU)
Standard
70
0.87
7
6
4.0
1010.0
974.0
Analysis
2
Weskus Topskole 2019 (U15)
2019/07/20
2019/07/20
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
974.7
982.4
Analysis
1
Onder-Weskus Skole Proewe 2019 (O15 Seuns)
2019/02/16
2019/02/23
West Coast (WCU)
Rapid
30
0.60
8
7
2.0
974.0
974.0
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
90
49
6
35
52.0
57.8
66.1
1217.8
1283.9
White
41
23
4
14
25.0
61.0
93.3
1212.1
1305.4
Black
49
26
2
21
27.0
55.1
43.4
1222.5
1265.9
Standard
All
38
20
3
15
21.5
56.6
55.9
1220.6
1276.5
White
18
10
2
6
11.0
61.1
94.4
1211.2
1305.6
Black
20
10
1
9
10.5
52.5
21.3
1229.1
1250.3
Rapid
All
52
29
3
20
30.5
58.7
73.6
1215.7
1289.3
White
23
13
2
8
14.0
60.9
92.4
1212.8
1305.2
Black
29
16
1
12
16.5
56.9
58.6
1218.0
1276.7
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
105093494
Schroeder, C (Carl)
4
1.0
1
0
3
25.0
1058.8
-212.5
846.3
View list
2
105077648
Hogan, L (Lee)
3
2.0
2
0
1
66.7
1102.5
141.7
1244.1
View list
3
1060096290
Kariem, S (Shakir)
3
0.5
0
1
2
16.7
1175.7
-283.3
892.3
View list
4
206077294
Galant, R (Rozaan)
2
2.0
2
0
0
100.0
1134.7
425.0
1559.7
View list
5
1050115895
Galant, M (Marius)
2
2.0
2
0
0
100.0
974.7
425.0
1399.7
View list
6
1050117552
Koopman, L (Liam)
2
2.0
2
0
0
100.0
974.7
425.0
1399.7
View list
7
1040117548
Martinus, T (Thyrese)
2
2.0
2
0
0
100.0
974.7
425.0
1399.7
View list
8
103061699
Hendricks, M (Marquin)
2
1.0
1
0
1
50.0
1108.5
0.0
1108.5
View list
9
108090548
Lewaks, S (Shaundre)
2
1.0
1
0
1
50.0
1241.3
0.0
1241.3
View list
10
1040134021
Van Wyk, C (Charlton)
2
1.0
1
0
1
50.0
1149.9
0.0
1149.9
View list
11
104077671
Abdol, M (Mateo)
2
0.0
0
0
2
0.0
974.7
-425.0
549.7
View list
12
105094690
Williams, V (Vogan)
2
0.0
0
0
2
0.0
1106.4
-425.0
681.4
View list
13
105093497
Bezuidenhoudt, K (Keanu)
1
1.0
1
0
0
100.0
1149.9
425.0
1574.9
View list
14
1050110200
Februarie, W (Will)
1
1.0
1
0
0
100.0
974.0
425.0
1399.0
View list
15
187009582
Floris, IC (Isaac)
1
1.0
1
0
0
100.0
1218.9
425.0
1643.9
View list
16
1070138364
Farao, A (Adrian)
1
1.0
1
0
0
100.0
1238.8
425.0
1663.8
View list
17
209077302
Ellman, E (Elle-Marie)
1
1.0
1
0
0
100.0
1238.8
425.0
1663.8
View list
18
206055118
Ellman, A (Anne-Belle)
1
1.0
1
0
0
100.0
1218.9
425.0
1643.9
View list
19
1090105096
Don, C (Cee-Jay)
1
1.0
1
0
0
100.0
1010.0
425.0
1435.0
View list
20
1030131904
Dirks, H (Heinrique)
1
1.0
1
0
0
100.0
1240.7
425.0
1665.7
View list