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: 2023/09/30 (299 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 rating1347.0
Current Weighted rating1333.3
Current Weighted performance1138.1
Current official/published rating (highest between Raw, WR and WP)1347.0
Current highest rating achieved1347.0
Current floor (min rating allowed)847.0
Current K-factor36
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)±134.5
Current Raw change used (final)0.0
Projected new Raw rating1347.0
Projected new Weighed rating1227.7
Projected new Weighted performance1138.1
Projected new final Raw rating (if new WP > new Raw)1347.0
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)1347.0
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 rating1251.2
Current Weighted rating1250.9
Current Weighted performance942.7
Current official/published rating (highest between Raw, WR and WP)1251.2
Current highest rating achieved1251.2
Current floor (min rating allowed)751.2
Current K-factor36
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)±154.2
Current Raw change used (final)0.0
Projected new Raw rating1251.2
Projected new Weighed rating1151.1
Projected new Weighted performance942.7
Projected new final Raw rating (if new WP > new Raw)1251.2
Projected new highest rating1251.2
Projected new floor751.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1251.2
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 rating1309.5
Current Weighted rating1278.9
Current Weighted performance1115.2
Current official/published rating (highest between Raw, WR and WP)1309.5
Current highest rating achieved1309.5
Current floor (min rating allowed)809.5
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)±141.9
Current Raw change used (final)0.0
Projected new Raw rating1309.5
Projected new Weighed rating1178.5
Projected new Weighted performance1115.2
Projected new final Raw rating (if new WP > new Raw)1309.5
Projected new highest rating1309.5
Projected new floor809.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1309.5
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.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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 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
Standard 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
Rapid 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
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 90 49 6 35 52.0 57.8 66.1 1217.8 1283.9
White 41 23 4 14 25.0 61.0 93.3 1212.1 1305.4
Black 49 26 2 21 27.0 55.1 43.4 1222.5 1265.9
Standard All 38 20 3 15 21.5 56.6 55.9 1220.6 1276.5
White 18 10 2 6 11.0 61.1 94.4 1211.2 1305.6
Black 20 10 1 9 10.5 52.5 21.3 1229.1 1250.3
Rapid All 52 29 3 20 30.5 58.7 73.6 1215.7 1289.3
White 23 13 2 8 14.0 60.9 92.4 1212.8 1305.2
Black 29 16 1 12 16.5 56.9 58.6 1218.0 1276.7
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 206077294 Galant, R (Rozaan) 2 2.0 2 0 0 100.0 1134.7 425.0 1559.7 View list
5 1050115895 Galant, M (Marius) 2 2.0 2 0 0 100.0 974.7 425.0 1399.7 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 1050110200 Februarie, W (Will) 1 1.0 1 0 0 100.0 974.0 425.0 1399.0 View list
15 187009582 Floris, IC (Isaac) 1 1.0 1 0 0 100.0 1218.9 425.0 1643.9 View list
16 1070138364 Farao, A (Adrian) 1 1.0 1 0 0 100.0 1238.8 425.0 1663.8 View list
17 209077302 Ellman, E (Elle-Marie) 1 1.0 1 0 0 100.0 1238.8 425.0 1663.8 View list
18 206055118 Ellman, A (Anne-Belle) 1 1.0 1 0 0 100.0 1218.9 425.0 1643.9 View list
19 1090105096 Don, C (Cee-Jay) 1 1.0 1 0 0 100.0 1010.0 425.0 1435.0 View list
20 1030131904 Dirks, H (Heinrique) 1 1.0 1 0 0 100.0 1240.7 425.0 1665.7 View list