Player Page

De Villiers, E (Ethan)
Dob: 2006/09/08 (U20)
Gender: Male
Chess SA id: 106078250
FIDE id:
Region: Buffalo City (EBC)
Citizen: RSA
Title(s):
Last active: 2024/05/04 (13 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
Curent Raw rating1310.9
Curent Weighted rating1307.9
Curent Weighted performance1221.3
Current official/published rating (highest between Raw, WR and WP)1310.9
Current floor (min rating allowed)822.9
Current highest rating achieved1322.9
Current K-factor36
Games played this month5
Score (S)3.0
Expected score (We)3.07
Difference (S-We)-0.07
Current Raw change (no limits, including tournament time weight)-2.1
Current min/max change allowed (with limits)±141.6
Current Raw change used (final)-2.1
Projected new Raw rating1308.8
Projected new Weighed rating1308.0
Projected new Weighted performance1221.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1308.8
Projected effective change (new Official - current Official)-2.1
Projected new highest rating1322.9
Projected new floor822.9
Projected new K-facor36
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
Curent Raw rating1288.8
Curent Weighted rating1278.6
Curent Weighted performance1185.2
Current official/published rating (highest between Raw, WR and WP)1288.8
Current floor (min rating allowed)813.7
Current highest rating achieved1313.7
Current K-factor36
Games played this month5
Score (S)3.0
Expected score (We)2.91
Difference (S-We)0.09
Current Raw change (no limits, including tournament time weight)3.2
Current min/max change allowed (with limits)±146.1
Current Raw change used (final)3.2
Projected new Raw rating1292.0
Projected new Weighed rating1279.5
Projected new Weighted performance1185.2
Projected new official/published rating (highest between new Raw, new WR and new WP)1292.0
Projected effective change (new Official - current Official)+3.2
Projected new highest rating1313.7
Projected new floor813.7
Projected new K-facor36
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
Curent Raw rating1286.2
Curent Weighted rating1129.2
Curent Weighted performance808.4
Current official/published rating (highest between Raw, WR and WP)1286.2
Current floor (min rating allowed)786.2
Current highest rating achieved1286.2
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)±146.7
Current Raw change used (final)0.0
Projected new Raw rating1286.2
Projected new Weighed rating1146.2
Projected new Weighted performance808.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1286.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1286.2
Projected new floor786.2
Projected new K-facor36
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
Curent Raw rating721.3
Curent Weighted rating659.9
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)721.3
Current floor (min rating allowed)786.2
Current highest rating achieved721.3
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)±328.0
Current Raw change used (final)0.0
Projected new Raw rating721.3
Projected new Weighed rating666.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)721.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating721.3
Projected new floor786.2
Projected new K-facor40
Tournaments
Tournament: BC Chess HS Trials 3 2024 (U18-Adult)
Start: 2024/05/04  End: 2024/05/04  Host: EBC  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 3.0
Main rating: 1310.9  Rating gain/loss: -2.1
Type rating: 1288.8  Rating gain/loss: 3.2
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 BC Chess HS Trials 3 2024 (U18-Adult) 2024/05/04 2024/05/04 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1310.9 1288.8 Analysis
2 2nd Buffalo City Chess Trials 2024 (U20A) 2024/04/06 2024/04/06 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1262.5 1220.4 Analysis
1 Grey College Team Championship 2024 (A) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 0.0 1322.9 1292.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
47 BC Chess HS Trials 3 2024 (U18-Adult) 2024/05/04 2024/05/04 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1310.9 1288.8 Analysis
46 2nd Buffalo City Chess Trials 2024 (U20A) 2024/04/06 2024/04/06 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1262.5 1220.4 Analysis
45 Grey College Team Championship 2024 (A) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 0.0 1322.9 1292.4 Analysis
44 2nd BC Trials 2023 (U18-Adults) 2023/06/17 2023/06/17 Buffalo City (EBC) Rapid 20 0.47 7 7 4.5 1308.7 981.7 Analysis
43 BC Chess Trials 1 of 5 2023 (U18A-Adult) 2023/04/29 2023/04/29 Buffalo City (EBC) Standard 60 0.83 5 5 3.5 1297.9 1273.3 Analysis
42 Grey College Team Championship 2023 (A) 2023/02/03 2023/02/04 Mangaung (FMB) Standard 60 0.83 5 5 2.5 1303.3 1280.1 Analysis
41 BC Chess Trials 5 of 5 2022 (A) 2022/06/11 2022/06/11 Buffalo City (EBC) Rapid 12 0.33 10 9 4.5 1294.6 908.9 Analysis
40 BC Chess 4th Border Trials 2022 (A) 2022/05/21 2022/05/21 Buffalo City (EBC) Rapid 12 0.33 10 10 4.5 1287.0 824.5 Analysis
39 South African Junior Closed Chess Championships 2022 (U16 Open) 2022/03/28 2022/04/02 Chess South Africa (CSA) Standard 120 1.00 11 10 2.5 1317.8 1313.7 Analysis
38 BC Trials 3 2022 (U18A+U20A) 2022/03/05 2022/03/05 Buffalo City (EBC) Standard 60 0.83 5 5 2.5 1273.1 1292.7 Analysis
37 Grey College Team Championship 2022 (A) 2022/02/18 2022/02/19 Mangaung (FMB) Standard 60 0.83 5 5 3.0 1210.4 1220.3 Analysis
36 BC Trials 1 2022 (U18A+Open) 2022/02/11 2022/02/11 Buffalo City (EBC) Standard 60 0.83 5 5 3.5 1210.4 1220.3 Analysis
35 Big Buffalo Swiss Open and Junior Closed 2021 2021/09/11 2021/09/11 Buffalo City (EBC) Standard 63 0.84 5 5 2.5 1177.7 1185.7 Analysis
34 BC Trials 2 2020 (U16A) 2020/03/07 2020/03/07 Buffalo City (EBC) Standard 60 0.83 5 5 2.5 1187.0 1199.7 Analysis
33 BC Trials 1 2020 (U16A) 2020/02/22 2020/02/22 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1172.7 1187.1 Analysis
32 2019 South African Junior Team Championships (U14B) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 2.5 1183.9 1205.8 Analysis
31 Vikings League 5 of 6 2019 (Open) 2019/10/12 2019/10/12 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1178.5 1200.8 Analysis
30 Vikings League 4 of 6 2019 (A) 2019/09/14 2019/09/14 Buffalo City (EBC) Standard 60 0.83 5 4 0.0 1210.8 1247.2 Analysis
29 Vikings League 3 of 6 2019 (B) 2019/08/24 2019/08/24 Buffalo City (EBC) Standard 60 0.83 5 5 4.0 1204.8 1262.3 Analysis
28 Vikings League 2 of 6 2019 (A) 2019/08/17 2019/08/17 Buffalo City (EBC) Standard 60 0.83 5 5 1.0 1204.8 1262.3 Analysis
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 15 6 0 9 6.0 40.0 -85.0 1355.3 1270.3
White 7 2 0 5 2.0 28.6 -182.1 1339.5 1157.3
Black 8 4 0 4 4.0 50.0 0.0 1369.1 1369.1
Standard All 15 6 0 9 6.0 40.0 -85.0 1355.3 1270.3
White 7 2 0 5 2.0 28.6 -182.1 1339.5 1157.3
Black 8 4 0 4 4.0 50.0 0.0 1369.1 1369.1
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 258 103 28 127 117.0 45.3 -39.5 1186.3 1146.7
White 121 50 13 58 56.5 46.7 -28.1 1185.4 1157.3
Black 137 53 15 69 60.5 44.2 -49.6 1187.0 1137.4
Standard All 191 75 23 93 86.5 45.3 -40.1 1175.9 1135.9
White 88 38 11 39 43.5 49.4 -4.8 1175.8 1171.0
Black 103 37 12 54 43.0 41.7 -70.1 1176.0 1105.8
Rapid All 58 25 4 29 27.0 46.6 -29.3 1212.8 1183.5
White 29 11 2 16 12.0 41.4 -73.3 1200.5 1127.3
Black 29 14 2 13 15.0 51.7 14.7 1225.0 1239.7
Blitz All 9 3 1 5 3.5 38.9 -94.4 1235.0 1140.6
White 4 1 0 3 1.0 25.0 -212.5 1286.4 1073.9
Black 5 2 1 2 2.5 50.0 0.0 1193.9 1193.9
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2060098046 Jacobs, E (Elsje) 7 5.5 5 1 1 78.6 1086.3 242.9 1329.2 View list
2 106065282 Meise, K (Keagen) 6 0.5 0 1 5 8.3 1104.0 -354.2 749.8 View list
3 1060105511 Marnitz, K (Keenan) 5 4.5 4 1 0 90.0 1237.7 340.0 1577.7 View list
4 110088674 Chang, S (Samuel) 5 1.0 1 0 4 20.0 1108.3 -255.0 853.3 View list
5 206044986 Wang, P-S (Pei-Shan) 5 0.5 0 1 4 10.0 1147.8 -340.0 807.8 View list
6 106066545 Matayo, L (Liyema) 4 3.0 3 0 1 75.0 1079.0 212.5 1291.5 View list
7 206044984 Qangule, MK (Mandibonge) 4 2.5 2 1 1 62.5 1205.3 106.3 1311.6 View list
8 106059113 Chang, S (Sebastian) 4 0.5 0 1 3 12.5 1041.6 -318.8 722.9 View list
9 105054349 Wang, I (Ikai) 4 0.5 0 1 3 12.5 736.2 -318.8 417.5 View list
10 106065267 Becker, M (Matthew) 4 0.0 0 0 4 0.0 1082.5 -425.0 657.5 View list
11 1070099423 Lin, C (Chenyi) 4 0.0 0 0 4 0.0 1157.2 -425.0 732.2 View list
12 204051811 Diemieniet, P (Phoebe) 3 3.0 3 0 0 100.0 1268.1 425.0 1693.1 View list
13 1060099424 Gwababa, L (Langa) 3 3.0 3 0 0 100.0 1071.4 425.0 1496.4 View list
14 108088680 Pearson, E (Ethan) 3 3.0 3 0 0 100.0 1267.0 425.0 1692.0 View list
15 208076314 Bixa, T (Tshegofatso) 3 2.0 2 0 1 66.7 1014.3 141.7 1155.9 View list
16 207065272 Dove, M (Megan) 3 2.0 2 0 1 66.7 1141.5 141.7 1283.1 View list
17 208065268 Beshe, A (Akhanye) 3 1.0 1 0 2 33.3 928.3 -141.7 786.7 View list
18 102016911 Labuschagne, C (Conrad) 3 1.0 1 0 2 33.3 1004.3 -141.7 862.7 View list
19 103088769 Rosso, T (Tyler) 3 1.0 1 0 2 33.3 1028.6 -141.7 886.9 View list
20 1070104009 Sibanda, T (Takudzwa) 3 1.0 1 0 2 33.3 1173.3 -141.7 1031.6 View list