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:
2024/06/16 (41 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
1517.0
Current Weighted rating
1518.2
Current Weighted performance
1459.7
Current official/published rating (highest between Raw, WR and WP)
1518.2
Current highest rating achieved
1565.2
Current floor (min rating allowed)
1065.2
Current K-factor
32
Games played this month
-4
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)
±105.6
Current Raw change used (final)
0.0
Projected new Raw rating
1517.0
Projected new Weighed rating
1399.7
Projected new Weighted performance
1459.7
Projected new final Raw rating (if new WP > new Raw)
1517.0
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)
1517.0
Projected effective change (new Official - current Official)
-1.2
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
1500.2
Current Weighted rating
1499.7
Current Weighted performance
1440.9
Current official/published rating (highest between Raw, WR and WP)
1500.2
Current highest rating achieved
1558.1
Current floor (min rating allowed)
1058.1
Current K-factor
32
Games played this month
-4
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)
±108.1
Current Raw change used (final)
0.0
Projected new Raw rating
1500.2
Projected new Weighed rating
1382.7
Projected new Weighted performance
1440.9
Projected new final Raw rating (if new WP > new Raw)
1500.2
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)
1500.2
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
1301.9
Current Weighted rating
1221.9
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
1124.7
Projected new Weighted performance
1046.9
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
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
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
24
Stellenberg Chess Championship 2022 (Challengers 1)
2022/06/24
2022/06/25
Cape Town (WCT)
Standard
65
0.85
6
6
2.5
1448.1
1439.6
Analysis
23
Steinitz Open 2022 (B)
2022/05/20
2022/05/22
Cape Town (WCT)
Standard
90
0.94
6
6
3.0
1461.6
1456.9
Analysis
22
2022 Central District Individual Trials (U15)
2022/03/05
2022/03/05
Cape Town (WCT)
Rapid
30
0.60
5
4
2.0
1465.6
1220.5
Analysis
1
2
3
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
36
19
7
10
22.5
62.5
106.3
1412.6
1518.9
White
16
10
3
3
11.5
71.9
185.9
1400.3
1586.3
Black
20
9
4
7
11.0
55.0
42.5
1422.5
1465.0
Standard
All
29
15
5
9
17.5
60.3
87.9
1419.1
1507.0
White
15
9
3
3
10.5
70.0
170.0
1398.6
1568.6
Black
14
6
2
6
7.0
50.0
0.0
1441.1
1441.1
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
219
122
20
77
132.0
60.3
87.3
1319.8
1407.2
White
106
59
10
37
64.0
60.4
88.2
1312.4
1400.6
Black
113
63
10
40
68.0
60.2
86.5
1326.8
1413.3
Standard
All
198
111
17
70
119.5
60.4
88.0
1316.2
1404.2
White
98
55
9
34
59.5
60.7
91.1
1307.8
1398.9
Black
100
56
8
36
60.0
60.0
85.0
1324.5
1409.5
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
1070097558
Maruma, K (Katlego)
3
2.0
1
2
0
66.7
1489.7
141.7
1631.4
View list
9
1080142299
Armien, E (Eesa)
3
1.0
1
0
2
33.3
1536.1
-141.7
1394.5
View list
10
108051707
De Wit, M (Marnus)
3
1.0
1
0
2
33.3
1319.6
-141.7
1177.9
View list
11
108083939
Rosenberg, W (Wagheed)
3
0.5
0
1
2
16.7
1511.6
-283.3
1228.3
View list
12
1090107483
Janse Van Rensburg, A (Arden)
2
2.0
2
0
0
100.0
1219.6
425.0
1644.6
View list
13
1090109869
Priestley, L (Logan)
2
2.0
2
0
0
100.0
1360.8
425.0
1785.8
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