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: 2024/06/16 (41 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 rating1517.0
Current Weighted rating1518.2
Current Weighted performance1459.7
Current official/published rating (highest between Raw, WR and WP)1518.2
Current highest rating achieved1565.2
Current floor (min rating allowed)1065.2
Current K-factor32
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 rating1517.0
Projected new Weighed rating1399.7
Projected new Weighted performance1459.7
Projected new final Raw rating (if new WP > new Raw)1517.0
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)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 rating1500.2
Current Weighted rating1499.7
Current Weighted performance1440.9
Current official/published rating (highest between Raw, WR and WP)1500.2
Current highest rating achieved1558.1
Current floor (min rating allowed)1058.1
Current K-factor32
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 rating1500.2
Projected new Weighed rating1382.7
Projected new Weighted performance1440.9
Projected new final Raw rating (if new WP > new Raw)1500.2
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)1500.2
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 rating1221.9
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 rating1124.7
Projected new Weighted performance1046.9
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
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
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
123
Game 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 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 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