Chess South Africa
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Chess South Africa
Chang, S (Sebastian)
Dob:
2006/09/13 (U20)
Gender:
Male
Chess SA id:
106059113
FIDE id:
Region:
Buffalo City (EBC)
Citizen:
RSA
Title(s):
Last active:
2024/02/24 (83 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
1621.8
Curent Weighted rating
1598.0
Curent Weighted performance
1559.3
Current official/published rating (highest between Raw, WR and WP)
1621.8
Current floor (min rating allowed)
1121.8
Current highest rating achieved
1621.8
Current K-factor
28
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)
±90.9
Current Raw change used (final)
0.0
Projected new Raw rating
1621.8
Projected new Weighed rating
1600.6
Projected new Weighted performance
1559.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1621.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1621.8
Projected new floor
1121.8
Projected new K-facor
28
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
1623.9
Curent Weighted rating
1595.4
Curent Weighted performance
1558.2
Current official/published rating (highest between Raw, WR and WP)
1623.9
Current floor (min rating allowed)
1123.9
Current highest rating achieved
1623.9
Current K-factor
28
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)
±90.6
Current Raw change used (final)
0.0
Projected new Raw rating
1623.9
Projected new Weighed rating
1598.5
Projected new Weighted performance
1558.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1623.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1623.9
Projected new floor
1123.9
Projected new K-facor
28
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
1422.6
Curent Weighted rating
1312.1
Curent Weighted performance
962.7
Current official/published rating (highest between Raw, WR and WP)
1422.6
Current floor (min rating allowed)
922.6
Current highest rating achieved
1422.6
Current K-factor
32
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)
±120.8
Current Raw change used (final)
0.0
Projected new Raw rating
1422.6
Projected new Weighed rating
1323.5
Projected new Weighted performance
962.7
Projected new official/published rating (highest between new Raw, new WR and new WP)
1422.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1422.6
Projected new floor
922.6
Projected new K-facor
32
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
1369.3
Curent Weighted rating
1229.9
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1369.3
Current floor (min rating allowed)
922.6
Current highest rating achieved
1369.3
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)
±130.3
Current Raw change used (final)
0.0
Projected new Raw rating
1369.3
Projected new Weighed rating
1243.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1369.3
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1369.3
Projected new floor
922.6
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Grey College Team Championship 2024 (A)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
5
4.0
1590.9
1586.7
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
63
Grey College Team Championship 2024 (A)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
5
4.0
1590.9
1586.7
Analysis
62
BCM Chess Clubs League 2023 (Premier)
2023/09/09
2023/09/09
Buffalo City (EBC)
Standard
90
0.94
5
1
0.0
1609.3
1606.6
Analysis
61
2023 African Youth Chess Championship
2023/09/02
2023/09/08
Egypt (EGY)
Standard
120
1.00
9
9
4.0
1609.3
1606.6
Analysis
60
4th BC HS Trials 2023 (U18A-Adult)
2023/08/26
2023/08/26
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.0
1613.3
1611.1
Analysis
59
2023 South African Junior Closed Chess Championships (U18 Open)
2023/03/31
2023/04/04
Chess South Africa (CSA)
Standard
120
1.00
9
9
4.5
1577.5
1577.5
Analysis
58
3rd Vikings Champs 2023 (Prestige)
2023/03/25
2023/03/25
Buffalo City (EBC)
Standard
60
0.83
5
5
3.5
1549.1
1543.3
Analysis
57
2nd Master Vikings 2023
2023/02/23
2023/02/23
Buffalo City (EBC)
Standard
60
0.83
5
5
2.0
1547.5
1542.7
Analysis
56
Grey College Team Championship 2023 (A)
2023/02/03
2023/02/04
Mangaung (FMB)
Standard
60
0.83
5
5
4.5
1547.5
1542.7
Analysis
55
2022 South African Junior Wild Card Chess Championships (U18+U20 Open)
2022/12/09
2022/12/12
4 Knights (4K)
Standard
120
1.00
7
7
3.5
1580.5
1571.5
Analysis
54
2022 South African Junior Team Chess Championships (U18 Open)
2022/12/04
2022/12/08
4 Knights (4K)
Standard
120
1.00
7
7
6.0
1580.5
1571.5
Analysis
53
Slum Knights 5th 2022 (Open)
2022/10/22
2022/10/22
Buffalo City (EBC)
Standard
60
0.83
5
5
3.0
1583.7
1572.8
Analysis
52
Slum Knights 3rd Open 2022 (A)
2022/09/18
2022/09/18
Buffalo City (EBC)
Rapid
35
0.66
5
4
2.5
1579.7
1231.9
Analysis
51
Slum Knights 2022 (A)
2022/08/06
2022/08/06
Buffalo City (EBC)
Rapid
35
0.66
5
5
3.0
1577.6
1202.4
Analysis
50
2022 African Youth Chess Championships
2022/07/03
2022/07/09
Zambia (ZAM)
Standard
150
1.00
9
9
6.5
1544.3
1537.6
Analysis
49
BC Chess Trials 5 of 5 2022 (A)
2022/06/11
2022/06/11
Buffalo City (EBC)
Rapid
12
0.33
10
10
6.5
1537.3
1139.2
Analysis
48
BC Chess 4th Border Trials 2022 (A)
2022/05/21
2022/05/21
Buffalo City (EBC)
Rapid
12
0.33
10
10
5.0
1545.5
1166.0
Analysis
47
South African Junior Closed Chess Championships 2022 (U16 Open)
2022/03/28
2022/04/02
Chess South Africa (CSA)
Standard
120
1.00
11
11
7.0
1466.1
1457.6
Analysis
46
Grey College Team Championship 2022 (A)
2022/02/18
2022/02/19
Mangaung (FMB)
Standard
60
0.83
5
5
4.0
1465.6
1455.0
Analysis
45
Big Buffalo Swiss Open and Junior Closed 2021
2021/09/11
2021/09/11
Buffalo City (EBC)
Standard
63
0.84
5
5
2.0
1485.0
1473.6
Analysis
44
Vikings Closed Swiss March 2020
2020/03/07
2020/03/07
Buffalo City (EBC)
Standard
65
0.85
5
5
2.0
1499.4
1487.0
Analysis
1
2
3
4
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
3
2
0
4.0
80.0
255.0
1568.5
1823.5
White
3
1
2
0
2.0
66.7
141.7
1580.7
1722.3
Black
2
2
0
0
2.0
100.0
425.0
1550.2
1975.2
Standard
All
5
3
2
0
4.0
80.0
255.0
1568.5
1823.5
White
3
1
2
0
2.0
66.7
141.7
1580.7
1722.3
Black
2
2
0
0
2.0
100.0
425.0
1550.2
1975.2
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
380
207
45
128
229.5
60.4
88.4
1292.3
1380.7
White
187
108
24
55
120.0
64.2
120.5
1299.0
1419.4
Black
193
99
21
73
109.5
56.7
57.3
1285.9
1343.1
Standard
All
287
157
35
95
174.5
60.8
91.8
1273.6
1365.4
White
145
83
18
44
92.0
63.4
114.3
1277.3
1391.6
Black
142
74
17
51
82.5
58.1
68.8
1269.9
1338.7
Rapid
All
77
40
10
27
45.0
58.4
71.8
1348.4
1420.2
White
35
20
6
9
23.0
65.7
133.6
1373.8
1507.4
Black
42
20
4
18
22.0
52.4
20.2
1327.2
1347.5
Blitz
All
16
10
0
6
10.0
62.5
106.3
1357.8
1464.1
White
7
5
0
2
5.0
71.4
182.1
1374.0
1556.1
Black
9
5
0
4
5.0
55.6
47.2
1345.3
1392.5
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
106065282
Meise, K (Keagen)
14
0.5
0
1
13
3.6
1357.6
-394.6
962.9
View list
2
105065320
Sparg, N (Nathan)
11
2.5
2
1
8
22.7
1362.7
-231.8
1130.9
View list
3
1060104008
Totose, Z (Zimi)
10
1.5
0
3
7
15.0
1438.3
-297.5
1140.8
View list
4
106065267
Becker, M (Matthew)
9
6.0
5
2
2
66.7
1299.7
141.7
1441.3
View list
5
104043328
Xongwana, S (Sahlulelo)
9
5.5
5
1
3
61.1
1183.0
94.4
1277.5
View list
6
206044986
Wang, P-S (Pei-Shan)
8
2.0
2
0
6
25.0
1304.6
-212.5
1092.1
View list
7
104054272
Ou, J-Q (Jing-Qian)
7
6.0
6
0
1
85.7
1209.5
303.6
1513.0
View list
8
1060104005
Ndlebe, A (Anda)
7
2.0
2
0
5
28.6
1413.4
-182.1
1231.3
View list
9
110088674
Chang, S (Samuel)
6
6.0
6
0
0
100.0
1362.8
425.0
1787.8
View list
10
1070099423
Lin, C (Chenyi)
6
4.0
3
2
1
66.7
1404.2
141.7
1545.9
View list
11
1070104009
Sibanda, T (Takudzwa)
6
3.0
3
0
3
50.0
1407.2
0.0
1407.2
View list
12
1960104007
Ncube, R (Romeo)
6
2.0
2
0
4
33.3
1267.0
-141.7
1125.3
View list
13
178014094
Jikijela, M (Musa)
6
1.0
0
2
4
16.7
1312.9
-283.3
1029.5
View list
14
105054349
Wang, I (Ikai)
5
4.5
4
1
0
90.0
1318.5
340.0
1658.5
View list
15
205056862
Becker, R (Robyn)
5
3.0
2
2
1
60.0
1215.2
85.0
1300.2
View list
16
1990106168
Mdlatu, L (Lilitha)
5
2.0
2
0
3
40.0
1380.1
-85.0
1295.1
View list
17
106078250
De Villiers, E (Ethan)
4
3.5
3
1
0
87.5
1315.9
318.8
1634.6
View list
18
103088769
Rosso, T (Tyler)
4
2.0
2
0
2
50.0
1155.4
0.0
1155.4
View list
19
207044978
August, T (Thimna)
3
3.0
3
0
0
100.0
1265.5
425.0
1690.5
View list
20
104056000
Dilima, A (Anani)
3
3.0
3
0
0
100.0
1189.8
425.0
1614.8
View list