Chess South Africa
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Chess South Africa
Williams, B (Brett)
Dob:
2006/09/12 (U20)
Gender:
Male
Chess SA id:
106072635
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2024/03/02 (264 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
1337.4
Current Weighted rating
1346.5
Current Weighted performance
913.5
Current official/published rating (highest between Raw, WR and WP)
1346.5
Current highest rating achieved
1376.5
Current floor (min rating allowed)
876.5
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)
±136.3
Current Raw change used (final)
0.0
Projected new Raw rating
1337.4
Projected new Weighed rating
1238.5
Projected new Weighted performance
913.5
Projected new final Raw rating (if new WP > new Raw)
1337.4
Projected new highest rating
1376.5
Projected new floor
876.5
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1337.4
Projected effective change (new Official - current Official)
-9.1
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
1241.5
Current Weighted rating
1257.3
Current Weighted performance
680.1
Current official/published rating (highest between Raw, WR and WP)
1257.3
Current highest rating achieved
1286.5
Current floor (min rating allowed)
786.5
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)
±156.3
Current Raw change used (final)
0.0
Projected new Raw rating
1241.5
Projected new Weighed rating
1156.1
Projected new Weighted performance
680.1
Projected new final Raw rating (if new WP > new Raw)
1241.5
Projected new highest rating
1286.5
Projected new floor
786.5
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1241.5
Projected effective change (new Official - current Official)
-15.8
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
1356.3
Current Weighted rating
1347.1
Current Weighted performance
806.2
Current official/published rating (highest between Raw, WR and WP)
1356.3
Current highest rating achieved
1356.3
Current floor (min rating allowed)
856.3
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)
±132.7
Current Raw change used (final)
0.0
Projected new Raw rating
1356.3
Projected new Weighed rating
1239.7
Projected new Weighted performance
806.2
Projected new final Raw rating (if new WP > new Raw)
1356.3
Projected new highest rating
1356.3
Projected new floor
856.3
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1356.3
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
981.0
Current Weighted rating
981.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
981.0
Current highest rating achieved
1015.0
Current floor (min rating allowed)
515.0
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)
±226.5
Current Raw change used (final)
0.0
Projected new Raw rating
981.0
Projected new Weighed rating
902.5
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1015.0
Projected new floor
515.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
981.0
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
2
Cape Winelands Schools - Prestige 2024 (U18 Boys)
2024/03/02
2024/03/02
Cape Winelands (WCW)
Standard
60
0.83
5
5
2.0
1376.5
1276.4
Analysis
1
Cape Winelands Schools - HS Trials 1 2024 (U18 Boys)
2024/02/17
2024/02/17
Cape Winelands (WCW)
Rapid
35
0.66
6
6
5.0
1354.9
1333.3
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
26
Cape Winelands Schools - Prestige 2024 (U18 Boys)
2024/03/02
2024/03/02
Cape Winelands (WCW)
Standard
60
0.83
5
5
2.0
1376.5
1276.4
Analysis
25
Cape Winelands Schools - HS Trials 1 2024 (U18 Boys)
2024/02/17
2024/02/17
Cape Winelands (WCW)
Rapid
35
0.66
6
6
5.0
1354.9
1333.3
Analysis
24
Western Cape Schools 2020 (U15 Boys)
2020/03/14
2020/03/15
Cape Town (WCT)
Standard
60
0.83
5
4
2.0
1348.0
1255.2
Analysis
23
Cape Winelands Schools Trials 1 2020 (U15 Boys)
2020/02/15
2020/02/15
Cape Winelands (WCW)
Rapid
30
0.60
6
6
5.0
1314.2
1273.5
Analysis
22
Nelson Mandela Rapid 2020 (High School)
2020/02/01
2020/02/01
Cape Town (WCT)
Rapid
27
0.57
6
5
3.0
1314.2
1273.5
Analysis
21
Western Cape Top Schools 2019 (U13 Mix)
2019/08/31
2019/09/01
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.0
1350.5
1286.5
Analysis
20
2019 Western Province League (C)
2019/07/27
2019/09/07
Cape Town (WCT)
Standard
120
1.00
11
1
0.0
1350.5
1286.5
Analysis
19
Cape Winelands Schools - Top Schools 2019 (U13 Mix)
2019/07/27
2019/07/27
Cape Winelands (WCW)
Rapid
30
0.60
5
5
4.5
1321.3
1210.1
Analysis
18
Western Cape Schools Individuals 2019 (U13 Boys)
2019/05/18
2019/05/19
Eden District (WEG)
Standard
60
0.83
6
6
4.0
1298.0
1245.1
Analysis
17
Cape Winelands Schools Closed 2019 (U13 Boys)
2019/03/16
2019/03/17
Cape Winelands (WCW)
Standard
60
0.83
7
7
5.5
1284.3
1249.1
Analysis
16
CW Schools Open 2019 (U13 Boys)
2019/02/02
2019/02/02
Cape Winelands (WCW)
Rapid
30
0.60
6
6
5.0
1269.4
1174.1
Analysis
15
South African Junior Team Championships 2018 (U14A)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
5.5
1207.8
1179.3
Analysis
14
Courtrai Young Masters 2018 (U14)
2018/10/27
2018/10/27
Cape Winelands (WCW)
Rapid
15
0.39
7
5
3.0
1188.7
1123.0
Analysis
13
Western Cape Kings & Queens 2018 (Boys)
2018/10/20
2018/10/20
Cape Winelands (WCW)
Rapid
30
0.60
5
4
3.0
1188.7
1123.0
Analysis
12
Western Cape Top Schools 2018 (U13 Mix)
2018/08/25
2018/08/26
Overberg (WOS)
Standard
60
0.83
5
5
1.5
1258.5
1255.7
Analysis
11
2018 Western Province League (B)
2018/08/04
2018/09/15
Cape Town (WCT)
Standard
90
0.94
11
4
0.5
1223.2
1215.7
Analysis
10
Cape Winelands Schools Chess - Top Schools 2018 (U13 Mix)
2018/07/28
2018/07/28
Cape Winelands (WCW)
Rapid
30
0.60
5
5
3.5
1251.4
1066.6
Analysis
9
Drakenstein Dragons Rapid 2018 (U13)
2018/06/09
2018/06/09
Cape Winelands (WCW)
Rapid
20
0.47
7
7
3.5
1262.2
1023.0
Analysis
8
Western Cape Schools Individuals 2018 (U13 Boys)
2018/05/19
2018/05/20
Overberg (WOS)
Standard
60
0.83
6
6
4.0
1153.0
1150.6
Analysis
7
Inter Regional 2018 (U14 Team)
2018/05/04
2018/05/05
Frances Baard (NCF)
Standard
60
0.83
5
5
4.0
1153.0
1150.6
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
11
7
0
4
7.0
63.6
115.9
1208.8
1324.7
White
6
4
0
2
4.0
66.7
141.7
1226.0
1367.7
Black
5
3
0
2
3.0
60.0
85.0
1188.1
1273.1
Standard
All
5
2
0
3
2.0
40.0
-85.0
1242.8
1157.8
White
3
1
0
2
1.0
33.3
-141.7
1227.3
1085.6
Black
2
1
0
1
1.0
50.0
0.0
1266.1
1266.1
Rapid
All
6
5
0
1
5.0
83.3
283.3
1180.5
1463.8
White
3
3
0
0
3.0
100.0
425.0
1224.8
1649.8
Black
3
2
0
1
2.0
66.7
141.7
1136.1
1277.8
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
146
92
10
44
97.0
66.4
139.7
1133.5
1273.2
White
77
48
7
22
51.5
66.9
143.5
1154.2
1297.7
Black
69
44
3
22
45.5
65.9
135.5
1110.3
1245.8
Standard
All
79
46
6
27
49.0
62.0
102.2
1133.1
1235.3
White
41
21
6
14
24.0
58.5
72.6
1153.2
1225.7
Black
38
25
0
13
25.0
65.8
134.2
1111.4
1245.6
Rapid
All
67
46
4
17
48.0
71.6
184.0
1133.9
1317.9
White
36
27
1
8
27.5
76.4
224.3
1155.5
1379.8
Black
31
19
3
9
20.5
66.1
137.1
1108.9
1246.0
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
206083933
Hlakaza, O (Okuhle)
3
3.0
3
0
0
100.0
1214.9
425.0
1639.9
View list
2
1060108651
Ras, N (Nizaamudeen)
3
3.0
3
0
0
100.0
1318.9
425.0
1743.9
View list
3
106045226
Palmer, C (Cheslin)
3
1.5
1
1
1
50.0
1105.0
0.0
1105.0
View list
4
1100097431
Lielieveld, J (Jadrian)
3
1.5
0
3
0
50.0
1298.0
0.0
1298.0
View list
5
106087912
Lielieveld, F (Franco)
3
1.0
1
0
2
33.3
1176.4
-141.7
1034.8
View list
6
106068754
Smit, N (Nicolaas)
3
1.0
1
0
2
33.3
1107.4
-141.7
965.7
View list
7
105033072
Samuels, K (Kieran)
3
0.0
0
0
3
0.0
1146.0
-425.0
721.0
View list
8
106087911
Benvenuto, O (Oscar)
2
2.0
2
0
0
100.0
1170.3
425.0
1595.3
View list
9
106072018
Bantam, G (Gio)
2
2.0
2
0
0
100.0
1147.9
425.0
1572.9
View list
10
106078288
Africa, G (Gillmore)
2
2.0
2
0
0
100.0
1138.9
425.0
1563.9
View list
11
108086610
Isaacs, S (Sean-Patrick)
2
2.0
2
0
0
100.0
1365.7
425.0
1790.7
View list
12
2060108662
Luyt, I (Imke)
2
2.0
2
0
0
100.0
1321.3
425.0
1746.3
View list
13
1090098107
Manuel, C (Craig)
2
2.0
2
0
0
100.0
1321.3
425.0
1746.3
View list
14
106084365
Singh, N (Nimai)
2
2.0
2
0
0
100.0
981.0
425.0
1406.0
View list
15
107057156
Van Zyl, R (Rigter)
2
2.0
2
0
0
100.0
1276.8
425.0
1701.8
View list
16
105073361
Africa, L (Lindsay)
2
1.0
1
0
1
50.0
1170.3
0.0
1170.3
View list
17
106078280
Mocke, C (Christiaan)
2
1.0
1
0
1
50.0
1260.4
0.0
1260.4
View list
18
105057149
Van Der Merwe, A (Alexander)
2
0.0
0
0
2
0.0
1233.6
-425.0
808.6
View list
19
1050097437
Coleman, J (Jack)
1
1.0
1
0
0
100.0
1269.4
425.0
1694.4
View list
20
105093497
Bezuidenhoudt, K (Keanu)
1
1.0
1
0
0
100.0
1188.7
425.0
1613.7
View list