Chess South Africa
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Chess South Africa
Lau, C (Callum)
Dob:
2008/04/20 (U18)
Gender:
Male
Chess SA id:
108091526
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2024/10/05 (59 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
1513.9
Current Weighted rating
1530.4
Current Weighted performance
1347.6
Current official/published rating (highest between Raw, WR and WP)
1530.4
Current highest rating achieved
1565.2
Current floor (min rating allowed)
1065.2
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)
±106.0
Current Raw change used (final)
0.0
Projected new Raw rating
1513.9
Projected new Weighed rating
1409.0
Projected new Weighted performance
1347.6
Projected new final Raw rating (if new WP > new Raw)
1513.9
Projected new highest rating
1565.2
Projected new floor
1065.2
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1513.9
Projected effective change (new Official - current Official)
-16.5
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
1488.0
Current Weighted rating
1511.8
Current Weighted performance
1340.2
Current official/published rating (highest between Raw, WR and WP)
1511.8
Current highest rating achieved
1558.1
Current floor (min rating allowed)
1058.1
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)
±110.0
Current Raw change used (final)
0.0
Projected new Raw rating
1488.0
Projected new Weighed rating
1392.0
Projected new Weighted performance
1340.2
Projected new final Raw rating (if new WP > new Raw)
1488.0
Projected new highest rating
1558.1
Projected new floor
1058.1
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1488.0
Projected effective change (new Official - current Official)
-23.8
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
1301.9
Current Weighted rating
1253.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1301.9
Current highest rating achieved
1301.9
Current floor (min rating allowed)
801.9
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)
±143.4
Current Raw change used (final)
0.0
Projected new Raw rating
1301.9
Projected new Weighed rating
1154.8
Projected new Weighted performance
985.5
Projected new final Raw rating (if new WP > new Raw)
1301.9
Projected new highest rating
1301.9
Projected new floor
801.9
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1301.9
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
10
Paarl Boys' High Chess Festival 2024 (Elite)
2024/10/04
2024/10/05
Cape Winelands (WCW)
Standard
60
0.83
6
4
1.0
1542.3
1522.9
Analysis
8
CT League 2024 (C)
2024/07/20
2024/09/07
Cape Town (WCT)
Standard
120
1.00
11
2
2.0
1517.0
1500.2
Analysis
9
CT League 2024 (C)
2024/07/20
2024/09/07
Cape Town (WCT)
Standard
120
1.00
11
1
0.5
1517.0
1500.2
Analysis
7
Cape Town Chess Federation Closed Chess Championships 2024 (U18)
2024/06/15
2024/06/16
Cape Town (WCT)
Standard
70
0.87
6
6
2.5
1565.2
1558.1
Analysis
6
Cape Town Junior League Finals 2024 (U18 Open A)
2024/05/18
2024/05/18
Cape Town (WCT)
Rapid
25
0.54
5
5
4.5
1551.2
1212.3
Analysis
5
Cape Town Junior League Qualifier 2024 (U18 Open)
2024/04/06
2024/04/06
Cape Town (WCT)
Rapid
25
0.54
6
2
0.5
1559.5
1206.5
Analysis
4
Western Cape HS Individuals Championship 2024 (U18 Boys)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
4.5
1521.6
1502.1
Analysis
3
Cape Town Open Chess Championship 2024 (Advanced)
2024/03/15
2024/03/17
Cape Town (WCT)
Standard
90
0.94
6
6
3.5
1521.6
1502.1
Analysis
2
Cape Town Metro Schools Chess Closed Individuals 2024 (U18 Boys)
2024/03/02
2024/03/03
Cape Town (WCT)
Standard
60
0.83
6
6
3.5
1521.6
1502.1
Analysis
1
CT Metro Central District Schools Chess Individuals Trials 2024 (U18 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
5
3.5
1530.6
1507.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
44
Paarl Boys' High Chess Festival 2024 (Elite)
2024/10/04
2024/10/05
Cape Winelands (WCW)
Standard
60
0.83
6
4
1.0
1542.3
1522.9
Analysis
42
CT League 2024 (C)
2024/07/20
2024/09/07
Cape Town (WCT)
Standard
120
1.00
11
2
2.0
1517.0
1500.2
Analysis
43
CT League 2024 (C)
2024/07/20
2024/09/07
Cape Town (WCT)
Standard
120
1.00
11
1
0.5
1517.0
1500.2
Analysis
41
Cape Town Chess Federation Closed Chess Championships 2024 (U18)
2024/06/15
2024/06/16
Cape Town (WCT)
Standard
70
0.87
6
6
2.5
1565.2
1558.1
Analysis
40
Cape Town Junior League Finals 2024 (U18 Open A)
2024/05/18
2024/05/18
Cape Town (WCT)
Rapid
25
0.54
5
5
4.5
1551.2
1212.3
Analysis
39
Cape Town Junior League Qualifier 2024 (U18 Open)
2024/04/06
2024/04/06
Cape Town (WCT)
Rapid
25
0.54
6
2
0.5
1559.5
1206.5
Analysis
38
Western Cape HS Individuals Championship 2024 (U18 Boys)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
4.5
1521.6
1502.1
Analysis
37
Cape Town Open Chess Championship 2024 (Advanced)
2024/03/15
2024/03/17
Cape Town (WCT)
Standard
90
0.94
6
6
3.5
1521.6
1502.1
Analysis
36
Cape Town Metro Schools Chess Closed Individuals 2024 (U18 Boys)
2024/03/02
2024/03/03
Cape Town (WCT)
Standard
60
0.83
6
6
3.5
1521.6
1502.1
Analysis
35
CT Metro Central District Schools Chess Individuals Trials 2024 (U18 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
5
3.5
1530.6
1507.5
Analysis
34
Paarl Boys High Chess Festival 2023 (Elite Division)
2023/10/13
2023/10/14
Cape Winelands (WCW)
Standard
60
0.83
6
6
4.0
1518.1
1489.9
Analysis
33
WP Club League 2023 (D PlayOffs)
2023/09/02
2023/09/09
Cape Town (WCT)
Standard
70
0.87
5
2
2.0
1507.5
1473.3
Analysis
32
Western Cape Top Schools 2023 (U15 Mixed)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
6
0
0.0
1507.5
1473.3
Analysis
31
WP Club League 2023 (D1)
2023/07/29
2023/08/19
Cape Town (WCT)
Standard
70
0.87
6
3
1.0
1535.9
1503.1
Analysis
30
Western Cape HS Individuals 2023 (U15 Boys)
2023/04/01
2023/04/02
Cape Town (WCT)
Standard
60
0.83
6
6
3.5
1521.5
1486.6
Analysis
29
Cape Town Open 2023 (Intermediate)
2023/03/25
2023/03/26
Cape Town (WCT)
Standard
70
0.87
6
6
6.0
1388.4
1381.7
Analysis
28
Cape Town Metro Schools Chess Closed Individuals 2023 (U15 Boys)
2023/02/03
2023/03/04
Cape Town (WCT)
Standard
60
0.83
6
6
4.0
1388.4
1381.7
Analysis
27
Central District School Trials 2023 (U15 Boys)
2023/02/03
2023/02/04
Cape Town (WCT)
Standard
60
0.83
6
6
4.5
1353.3
1343.6
Analysis
26
2022 Western Province Club League (D)
2022/08/27
2022/10/01
Cape Town (WCT)
Standard
70
0.87
7
6
4.0
1345.5
1337.2
Analysis
25
South African Open 2022 (B)
2022/07/09
2022/07/17
Cape Town (WCT)
Standard
120
1.00
11
11
4.5
1422.0
1406.0
Analysis
1
2
3
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
43
22
8
13
26.0
60.5
89.0
1423.8
1512.7
White
18
11
3
4
12.5
69.4
165.3
1412.6
1577.9
Black
25
11
5
9
13.5
54.0
34.0
1431.9
1465.9
Standard
All
36
18
6
12
21.0
58.3
70.8
1431.2
1502.0
White
17
10
3
4
11.5
67.6
150.0
1411.7
1561.7
Black
19
8
3
8
9.5
50.0
0.0
1448.6
1448.6
Rapid
All
7
4
2
1
5.0
71.4
182.1
1385.8
1567.9
White
1
1
0
0
1.0
100.0
425.0
1427.0
1852.0
Black
6
3
2
1
4.0
66.7
141.7
1378.9
1520.6
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
226
125
21
80
135.5
60.0
84.6
1324.8
1409.4
White
108
60
10
38
65.0
60.2
86.6
1316.1
1402.7
Black
118
65
11
42
70.5
59.7
82.8
1332.8
1415.7
Standard
All
205
114
18
73
123.0
60.0
85.0
1321.9
1406.9
White
100
56
9
35
60.5
60.5
89.2
1311.9
1401.1
Black
105
58
9
38
62.5
59.5
81.0
1331.4
1412.3
Rapid
All
21
11
3
7
12.5
59.5
81.0
1353.8
1434.7
White
8
4
1
3
4.5
56.3
53.1
1369.2
1422.3
Black
13
7
2
4
8.0
61.5
98.1
1344.3
1442.4
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
108092087
Mthi, Y (Yamkela)
4
1.0
1
0
3
25.0
1333.2
-212.5
1120.7
View list
2
108053347
Allie, I (Ishmaeel)
4
0.5
0
1
3
12.5
1337.6
-318.8
1018.8
View list
3
108072311
Karsten, JD (Jan)
4
0.0
0
0
4
0.0
1323.0
-425.0
898.0
View list
4
1080162366
Craig, C (Connor)
3
3.0
3
0
0
100.0
1549.0
425.0
1974.0
View list
5
2080109012
Gebu, S (Sisipho)
3
3.0
3
0
0
100.0
1404.5
425.0
1829.5
View list
6
107064487
Lee, MJ (Muhammad)
3
3.0
3
0
0
100.0
1446.7
425.0
1871.7
View list
7
107076747
Osborne, R (Ryan Eugene)
3
3.0
3
0
0
100.0
1364.5
425.0
1789.5
View list
8
1090109869
Priestley, L (Logan)
3
3.0
3
0
0
100.0
1412.9
425.0
1837.9
View list
9
1070097558
Maruma, K (Katlego)
3
2.0
1
2
0
66.7
1489.7
141.7
1631.4
View list
10
1080142299
Armien, E (Eesa)
3
1.0
1
0
2
33.3
1536.1
-141.7
1394.5
View list
11
108051707
De Wit, M (Marnus)
3
1.0
1
0
2
33.3
1319.6
-141.7
1177.9
View list
12
108083939
Rosenberg, W (Wagheed)
3
0.5
0
1
2
16.7
1511.6
-283.3
1228.3
View list
13
1090107483
Janse Van Rensburg, A (Arden)
2
2.0
2
0
0
100.0
1219.6
425.0
1644.6
View list
14
208069933
Sihamba, S (Somila)
2
2.0
2
0
0
100.0
1397.9
425.0
1822.9
View list
15
1080130949
Von Seidel, V (Victor)
2
2.0
2
0
0
100.0
1365.7
425.0
1790.7
View list
16
109092070
Wilson, J (James)
2
2.0
2
0
0
100.0
1325.6
425.0
1750.6
View list
17
194028263
November, EJ (Enrique)
2
1.5
1
1
0
75.0
1263.5
212.5
1476.0
View list
18
1080103429
Winter, C (Cuthanzario)
2
1.5
1
1
0
75.0
1385.8
212.5
1598.3
View list
19
108072976
Du Plessis, A (Arno)
2
1.0
1
0
1
50.0
1521.5
0.0
1521.5
View list
20
163092629
Goosen, P (Pierre)
2
1.0
1
0
1
50.0
1403.5
0.0
1403.5
View list