Player Page

Williams, S (Sergio)
Dob: 2005/05/27 (U20)
Gender: Male
Chess SA id: 1050110213
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/08/24 (108 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 rating1339.1
Current Weighted rating1338.5
Current Weighted performance1222.0
Current official/published rating (highest between Raw, WR and WP)1339.1
Current highest rating achieved1347.0
Current floor (min rating allowed)847.0
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)±136.0
Current Raw change used (final)0.0
Projected new Raw rating1339.1
Projected new Weighed rating1232.1
Projected new Weighted performance1222.0
Projected new final Raw rating (if new WP > new Raw)1339.1
Projected new highest rating1347.0
Projected new floor847.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1339.1
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 rating1254.8
Current Weighted rating1252.3
Current Weighted performance1008.2
Current official/published rating (highest between Raw, WR and WP)1254.8
Current highest rating achieved1254.8
Current floor (min rating allowed)754.8
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)±153.4
Current Raw change used (final)0.0
Projected new Raw rating1254.8
Projected new Weighed rating1152.1
Projected new Weighted performance1008.2
Projected new final Raw rating (if new WP > new Raw)1254.8
Projected new highest rating1254.8
Projected new floor754.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1254.8
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 rating1326.4
Current Weighted rating1301.3
Current Weighted performance1178.3
Current official/published rating (highest between Raw, WR and WP)1326.4
Current highest rating achieved1326.4
Current floor (min rating allowed)826.4
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)±138.5
Current Raw change used (final)0.0
Projected new Raw rating1326.4
Projected new Weighed rating1199.1
Projected new Weighted performance1178.3
Projected new final Raw rating (if new WP > new Raw)1326.4
Projected new highest rating1326.4
Projected new floor826.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1326.4
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 rating974.0
Current Weighted rating974.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)974.0
Current highest rating achieved974.0
Current floor (min rating allowed)500.0
Current K-factor40
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)±228.8
Current Raw change used (final)0.0
Projected new Raw rating974.0
Projected new Weighed rating896.1
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating974.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)974.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 The Rooibos Open 2024 (Elite) 2024/08/24 2024/08/24 West Coast (WCU) Rapid 35 0.66 5 5 3.0 1328.2 1309.5 Analysis
1 Western Cape Women’s Championship 2024 (Intermediate) 2024/08/10 2024/08/10 West Coast (WCU) Standard 60 0.83 5 5 2.5 1347.0 1251.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
19 The Rooibos Open 2024 (Elite) 2024/08/24 2024/08/24 West Coast (WCU) Rapid 35 0.66 5 5 3.0 1328.2 1309.5 Analysis
18 Western Cape Women’s Championship 2024 (Intermediate) 2024/08/10 2024/08/10 West Coast (WCU) Standard 60 0.83 5 5 2.5 1347.0 1251.2 Analysis
17 Basil Ellman Rapid 2023 (B) 2023/09/30 2023/09/30 West Coast (WCU) Rapid 30 0.60 5 5 4.5 1302.5 1208.7 Analysis
16 Western Cape Woman`s Championship 2022 (Open) 2022/09/02 2022/09/04 West Coast (WCU) Standard 90 0.94 5 5 4.0 1241.6 1164.0 Analysis
15 Deep Blue Chess Club 2022 (Elite) 2022/08/20 2022/08/20 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1218.9 1177.0 Analysis
14 Basil Ellman Annual Rapid 2022 (Bear 2) 2022/06/25 2022/06/25 West Coast (WCU) Rapid 30 0.60 5 5 2.0 1238.8 1211.2 Analysis
13 Onder-Weskus Top Skole 2022 (Hoerskool) 2022/06/04 2022/06/04 West Coast (WCU) Rapid 30 0.60 5 4 3.0 1238.8 1211.2 Analysis
12 Western Cape Schools Chess 2022 (U18 Boys) 2022/05/07 2022/05/08 Eden District (WEG) Standard 65 0.85 6 6 2.5 1255.0 1171.2 Analysis
11 West Coast Schools Prestige 2022 (U18 Boys) 2022/02/19 2022/02/19 West Coast (WCU) Standard 60 0.83 6 6 4.0 1240.7 1128.8 Analysis
10 Western Cape Women`s Month Tournament 2021 (Championship) 2021/08/06 2021/08/09 West Coast (WCU) Standard 90 0.94 6 5 2.0 1241.0 1099.6 Analysis
9 West Coast Open 2021 (Open) 2021/06/26 2021/06/26 West Coast (WCU) Rapid 28 0.58 6 5 4.0 1202.2 1137.6 Analysis
7 Lower West Coast 2021 (U18 Boys) 2021/04/10 2021/04/10 West Coast (WCU) Rapid 30 0.60 5 1 0.0 1149.9 1052.4 Analysis
8 Lower West Coast 2021 (U18 Boys) 2021/04/10 2021/04/10 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1149.9 1052.4 Analysis
6 West Coast Schools Prestige 2020 (U15 Boys) 2020/03/07 2020/03/07 West Coast (WCU) Rapid 30 0.60 5 5 2.0 1135.7 1025.6 Analysis
5 Onder Weskus Prestige 2020 (U15 Boys) 2020/02/15 2020/02/22 West Coast (WCU) Standard 60 0.83 6 5 3.0 1094.6 1059.2 Analysis
4 West Coast Club Champs 2019 (A) 2019/09/13 2019/09/14 West Coast (WCU) Standard 70 0.87 5 5 2.0 1067.1 1038.8 Analysis
3 Western Cape Womans Month Tournament 2019 (C) 2019/08/09 2019/08/11 West Coast (WCU) Standard 70 0.87 7 6 4.0 1010.0 974.0 Analysis
2 Weskus Topskole 2019 (U15) 2019/07/20 2019/07/20 West Coast (WCU) Rapid 30 0.60 5 5 3.0 974.7 982.4 Analysis
1 Onder-Weskus Skole Proewe 2019 (O15 Seuns) 2019/02/16 2019/02/23 West Coast (WCU) Rapid 30 0.60 8 7 2.0 974.0 974.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 10 5 1 4 5.5 55.0 42.5 1279.9 1322.4
White 5 3 0 2 3.0 60.0 85.0 1317.0 1402.0
Black 5 2 1 2 2.5 50.0 0.0 1242.8 1242.8
Standard All 5 2 1 2 2.5 50.0 0.0 1231.8 1231.8
White 2 0 0 2 0.0 0.0 -425.0 1440.6 1015.6
Black 3 2 1 0 2.5 83.3 283.3 1092.7 1376.0
Rapid All 5 3 0 2 3.0 60.0 85.0 1328.0 1413.0
White 3 3 0 0 3.0 100.0 425.0 1234.7 1659.7
Black 2 0 0 2 0.0 0.0 -425.0 1468.0 1043.0
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 100 54 7 39 57.5 57.5 63.7 1224.0 1287.7
White 46 26 4 16 28.0 60.9 92.4 1223.5 1315.9
Black 54 28 3 23 29.5 54.6 39.4 1224.4 1263.8
Standard All 43 22 4 17 24.0 55.8 49.4 1221.9 1271.3
White 20 10 2 8 11.0 55.0 42.5 1234.1 1276.6
Black 23 12 2 9 13.0 56.5 55.4 1211.3 1266.7
Rapid All 57 32 3 22 33.5 58.8 74.6 1225.6 1300.1
White 26 16 2 8 17.0 65.4 130.8 1215.3 1346.1
Black 31 16 1 14 16.5 53.2 27.4 1234.2 1261.6
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 105093494 Schroeder, C (Carl) 4 1.0 1 0 3 25.0 1058.8 -212.5 846.3 View list
2 105077648 Hogan, L (Lee) 3 2.0 2 0 1 66.7 1102.5 141.7 1244.1 View list
3 1060096290 Kariem, S (Shakir) 3 0.5 0 1 2 16.7 1175.7 -283.3 892.3 View list
4 1050115895 Galant, M (Marius) 2 2.0 2 0 0 100.0 974.7 425.0 1399.7 View list
5 206077294 Galant, R (Rozaan) 2 2.0 2 0 0 100.0 1134.7 425.0 1559.7 View list
6 1050117552 Koopman, L (Liam) 2 2.0 2 0 0 100.0 974.7 425.0 1399.7 View list
7 1040117548 Martinus, T (Thyrese) 2 2.0 2 0 0 100.0 974.7 425.0 1399.7 View list
8 103061699 Hendricks, M (Marquin) 2 1.0 1 0 1 50.0 1108.5 0.0 1108.5 View list
9 108090548 Lewaks, S (Shaundre) 2 1.0 1 0 1 50.0 1241.3 0.0 1241.3 View list
10 1040134021 Van Wyk, C (Charlton) 2 1.0 1 0 1 50.0 1149.9 0.0 1149.9 View list
11 104077671 Abdol, M (Mateo) 2 0.0 0 0 2 0.0 974.7 -425.0 549.7 View list
12 105094690 Williams, V (Vogan) 2 0.0 0 0 2 0.0 1106.4 -425.0 681.4 View list
13 105093497 Bezuidenhoudt, K (Keanu) 1 1.0 1 0 0 100.0 1149.9 425.0 1574.9 View list
14 1030131904 Dirks, H (Heinrique) 1 1.0 1 0 0 100.0 1240.7 425.0 1665.7 View list
15 1100157819 De Bruin, M (Matthew) 1 1.0 1 0 0 100.0 1302.5 425.0 1727.5 View list
16 1060130313 Davids, C (Cleverton) 1 1.0 1 0 0 100.0 1202.2 425.0 1627.2 View list
17 1100138315 Conradie, Q (Quewin) 1 1.0 1 0 0 100.0 1238.8 425.0 1663.8 View list
18 1070138364 Farao, A (Adrian) 1 1.0 1 0 0 100.0 1238.8 425.0 1663.8 View list
19 112090522 Erasmus, H (Heinrich) 1 1.0 1 0 0 100.0 1328.2 425.0 1753.2 View list
20 209077302 Ellman, E (Elle-Marie) 1 1.0 1 0 0 100.0 1238.8 425.0 1663.8 View list