Player Page

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: 2024/05/18 (26 days ago)
Ratings
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 rating1565.2
Current Weighted rating1514.8
Current Weighted performance1546.8
Current official/published rating (highest between Raw, WR and WP)1565.2
Current highest rating achieved1565.2
Current floor (min rating allowed)1065.2
Current K-factor32
Games played this month0
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)±98.6
Current Raw change used (final)0.0
Projected new Raw rating1565.2
Projected new Weighed rating1396.8
Projected new Weighted performance1546.8
Projected new final Raw rating (if new WP > new Raw)1565.2
Projected new highest rating1565.2
Projected new floor1065.2
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1565.2
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 rating1558.1
Current Weighted rating1496.2
Current Weighted performance1520.1
Current official/published rating (highest between Raw, WR and WP)1558.1
Current highest rating achieved1558.1
Current floor (min rating allowed)1058.1
Current K-factor32
Games played this month0
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)±99.6
Current Raw change used (final)0.0
Projected new Raw rating1558.1
Projected new Weighed rating1379.7
Projected new Weighted performance1520.1
Projected new final Raw rating (if new WP > new Raw)1558.1
Projected new highest rating1558.1
Projected new floor1058.1
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1558.1
Projected effective change (new Official - current Official)=0.0
s
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 rating1301.9
Current Weighted rating1214.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1301.9
Current highest rating achieved1301.9
Current floor (min rating allowed)801.9
Current K-factor36
Games played this month0
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 rating1301.9
Projected new Weighed rating1117.7
Projected new Weighted performance1067.8
Projected new final Raw rating (if new WP > new Raw)1301.9
Projected new highest rating1301.9
Projected new floor801.9
Projected new K-facor36
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
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 rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
21 Western Province Open 2022 (Intermediate) 2022/02/26 2022/02/27 Cape Town (WCT) Standard 70 0.87 6 6 5.5 1407.4 1389.7 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 30 17 6 7 20.0 66.7 141.7 1417.3 1559.0
White 13 9 2 2 10.0 76.9 228.8 1410.4 1639.2
Black 17 8 4 5 10.0 58.8 75.0 1422.6 1497.6
Standard All 23 13 4 6 15.0 65.2 129.3 1426.9 1556.2
White 12 8 2 2 9.0 75.0 212.5 1409.0 1621.5
Black 11 5 2 4 6.0 54.5 38.6 1446.4 1485.0
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 213 120 19 74 129.5 60.8 91.8 1317.9 1409.7
White 103 58 9 36 62.5 60.7 90.8 1311.1 1401.9
Black 110 62 10 38 67.0 60.9 92.7 1324.2 1416.9
Standard All 192 109 16 67 117.0 60.9 93.0 1313.9 1406.9
White 95 54 8 33 58.0 61.1 93.9 1306.2 1400.2
Black 97 55 8 34 59.0 60.8 92.0 1321.5 1413.5
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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 2080109012 Gebu, S (Sisipho) 3 3.0 3 0 0 100.0 1404.5 425.0 1829.5 View list
5 107064487 Lee, MJ (Muhammad) 3 3.0 3 0 0 100.0 1446.7 425.0 1871.7 View list
6 107076747 Osborne, R (Ryan Eugene) 3 3.0 3 0 0 100.0 1364.5 425.0 1789.5 View list
7 1070097558 Maruma, K (Katlego) 3 2.0 1 2 0 66.7 1489.7 141.7 1631.4 View list
8 108051707 De Wit, M (Marnus) 3 1.0 1 0 2 33.3 1319.6 -141.7 1177.9 View list
9 1080162366 Craig, C (Connor) 2 2.0 2 0 0 100.0 1540.9 425.0 1965.9 View list
10 1090107483 Janse Van Rensburg, A (Arden) 2 2.0 2 0 0 100.0 1219.6 425.0 1644.6 View list
11 1090109869 Priestley, L (Logan) 2 2.0 2 0 0 100.0 1360.8 425.0 1785.8 View list
12 208069933 Sihamba, S (Somila) 2 2.0 2 0 0 100.0 1397.9 425.0 1822.9 View list
13 1080130949 Von Seidel, V (Victor) 2 2.0 2 0 0 100.0 1365.7 425.0 1790.7 View list
14 109092070 Wilson, J (James) 2 2.0 2 0 0 100.0 1325.6 425.0 1750.6 View list
15 194028263 November, EJ (Enrique) 2 1.5 1 1 0 75.0 1263.5 212.5 1476.0 View list
16 1080103429 Winter, C (Cuthanzario) 2 1.5 1 1 0 75.0 1385.8 212.5 1598.3 View list
17 1080142299 Armien, E (Eesa) 2 1.0 1 0 1 50.0 1521.6 0.0 1521.6 View list
18 108072976 Du Plessis, A (Arno) 2 1.0 1 0 1 50.0 1521.5 0.0 1521.5 View list
19 163092629 Goosen, P (Pierre) 2 1.0 1 0 1 50.0 1403.5 0.0 1403.5 View list
20 109087931 Michiel, RRJ (Raidan) 2 1.0 1 0 1 50.0 1348.0 0.0 1348.0 View list