Player Page

Van Der Merwe, E (Ethan)
Dob: 2011/09/17 (U14)
Gender: Male
Chess SA id: 111092813
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2023/03/04 (440 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 rating1192.2
Curent Weighted rating1190.5
Curent Weighted performance679.8
Current official/published rating (highest between Raw, WR and WP)1192.2
Current floor (min rating allowed)836.7
Current highest rating achieved1336.7
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)±167.7
Current Raw change used (final)0.0
Projected new Raw rating1192.2
Projected new Weighed rating1190.8
Projected new Weighted performance679.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1192.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1336.7
Projected new floor836.7
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 rating1158.0
Curent Weighted rating1158.0
Curent Weighted performance470.2
Current official/published rating (highest between Raw, WR and WP)1158.0
Current floor (min rating allowed)828.0
Current highest rating achieved1328.0
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)±176.0
Current Raw change used (final)0.0
Projected new Raw rating1158.0
Projected new Weighed rating1158.0
Projected new Weighted performance470.2
Projected new official/published rating (highest between new Raw, new WR and new WP)1158.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1328.0
Projected new floor828.0
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 rating1233.6
Curent Weighted rating1228.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1233.6
Current floor (min rating allowed)733.6
Current highest rating achieved1233.6
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)±158.1
Current Raw change used (final)0.0
Projected new Raw rating1233.6
Projected new Weighed rating1229.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1233.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1233.6
Projected new floor733.6
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)733.6
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor733.6
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
25 Courtrai Midas Rapid 2023 (U12) 2023/03/04 2023/03/04 Cape Winelands (WCW) Rapid 13 0.35 5 5 3.0 1180.6 1200.0 Analysis
24 2019 South African Junior Team Championships (U10B) 2020/01/08 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 4.0 1159.4 1133.9 Analysis
23 JNW Club - Maragon Open 2019 (D) 2019/08/03 2019/08/03 Johannesburg Metro (GJM) Standard 60 0.83 5 4 1.0 1204.2 1190.1 Analysis
22 JHB Metro Closed 2019 (U10) 2019/07/27 2019/07/28 Johannesburg Metro (GJM) Standard 90 0.94 6 6 3.0 1096.1 1061.0 Analysis
21 Chessnuts Under 1200 Rated Tournament 2019 (Knights) 2019/07/13 2019/07/13 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1096.1 1061.0 Analysis
20 Fonties Challange 2019 (U9) 2019/06/08 2019/06/08 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1111.9 1081.5 Analysis
19 The Metro Open 2019 (Cadets) 2019/05/25 2019/05/25 Johannesburg Metro (GJM) Standard 90 0.94 5 5 2.5 1095.7 1057.4 Analysis
18 2019 South African Junior Closed Chess Championship (U8 Open) 2019/03/17 2019/03/22 Chess South Africa (CSA) Standard 120 1.00 9 9 3.5 1135.7 1096.6 Analysis
17 2019 Waterkloof Open (C) 2019/03/02 2019/03/03 Tshwane (GTP) Standard 90 0.94 5 3 0.0 1135.7 1096.6 Analysis
16 2019 Blou Bul (C) 2019/02/16 2019/02/16 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1263.6 1239.5 Analysis
15 GoForChess - Introduction to chess tournament 2019 2019/02/10 2019/02/10 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1263.6 1239.5 Analysis
14 Chessnuts Challenge 1 2019 (Kings) 2019/02/02 2019/02/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.0 1263.6 1239.5 Analysis
13 JNW Club - Bryanston Open 1 2019 (U10) 2019/01/26 2019/01/26 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1314.1 1299.6 Analysis
12 South African Junior Team Championships 2018 (U8A) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 6.0 1248.6 1222.9 Analysis
11 Chessnuts November 2018 (A) 2018/11/17 2018/11/17 Johannesburg Metro (GJM) Standard 60 0.83 5 5 0.0 1336.7 1328.0 Analysis
10 Inter Region GE vs JHB Metro 2018 (U8) 2018/10/06 2018/10/06 Ekurhuleni (GE) Standard 60 0.83 5 4 4.0 1273.3 1268.6 Analysis
9 Chessnuts Spring 2018 (Knights) 2018/09/29 2018/09/29 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1268.2 1262.5 Analysis
8 GoForChess Saheti Junior Chess Championships 2018 (U8+U10) 2018/09/22 2018/09/22 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1268.2 1262.5 Analysis
7 JNW Club - Maragon Open 2018 (U8) 2018/08/04 2018/08/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1245.0 1237.6 Analysis
6 JHB Metro Junior Closed 2018 (U8) 2018/07/28 2018/07/29 Johannesburg Metro (GJM) Standard 90 0.94 6 6 4.0 1200.3 1206.8 Analysis
12
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 131 65 5 61 67.5 51.5 13.0 1157.3 1170.2
White 65 36 2 27 37.0 56.9 58.8 1164.3 1223.1
Black 66 29 3 34 30.5 46.2 -32.2 1150.4 1118.2
Standard All 126 62 5 59 64.5 51.2 10.1 1153.8 1163.9
White 63 34 2 27 35.0 55.6 47.2 1161.2 1208.4
Black 63 28 3 32 29.5 46.8 -27.0 1146.3 1119.3
Rapid All 5 3 0 2 3.0 60.0 85.0 1245.2 1330.2
White 2 2 0 0 2.0 100.0 425.0 1259.8 1684.8
Black 3 1 0 2 1.0 33.3 -141.7 1235.5 1093.8
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 111092267 D`Alton, E (Ezra) 7 2.5 2 1 4 35.7 1220.7 -121.4 1099.3 View list
2 111092705 Moonsammy, E (Ethan) 4 0.0 0 0 4 0.0 1219.5 -425.0 794.5 View list
3 1120104109 Bowers, M (Mpho) 3 2.0 2 0 1 66.7 1262.6 141.7 1404.2 View list
4 1110103542 Marais, E (Enzo) 3 2.0 2 0 1 66.7 1170.8 141.7 1312.5 View list
5 1110097852 Bezuidenhout, D (Dawid) 3 0.5 0 1 2 16.7 1160.0 -283.3 876.7 View list
6 1120106564 Bennie, T (Thomas) 2 2.0 2 0 0 100.0 1148.2 425.0 1573.2 View list
7 1110099533 Buys, B (Boaz) 2 2.0 2 0 0 100.0 1192.2 425.0 1617.2 View list
8 212091698 Chinoruma, K (Kupa) 2 2.0 2 0 0 100.0 1200.2 425.0 1625.2 View list
9 2110107817 Onyemah, I (Ifeoma) 2 2.0 2 0 0 100.0 1213.0 425.0 1638.0 View list
10 1090100329 Mitchell, D (Dylan) 2 1.0 1 0 1 50.0 1182.2 0.0 1182.2 View list
11 112089895 Govender, P (Pranau) 2 0.0 0 0 2 0.0 1236.2 -425.0 811.2 View list
12 1100103439 Mungal, E (Ethan) 2 0.0 0 0 2 0.0 1095.9 -425.0 670.9 View list
13 211085191 Naidoo, K (Kajol) 2 0.0 0 0 2 0.0 1290.8 -425.0 865.8 View list
14 1120096779 Yang, JD (Daniel) 2 0.0 0 0 2 0.0 1256.1 -425.0 831.1 View list
15 1100106583 Couloubis, P (Pano) 1 1.0 1 0 0 100.0 1268.2 425.0 1693.2 View list
16 1110103541 Comara, M (Michael) 1 1.0 1 0 0 100.0 1183.7 425.0 1608.7 View list
17 210075196 Chauke, N (Nosipho) 1 1.0 1 0 0 100.0 1096.1 425.0 1521.1 View list
18 1110097777 Britz, JD (Jakobus) 1 1.0 1 0 0 100.0 1135.7 425.0 1560.7 View list
19 1110108729 Breed, M (Mattys) 1 1.0 1 0 0 100.0 1180.6 425.0 1605.6 View list
20 1110098219 Davis, D (Dante) 1 1.0 1 0 0 100.0 1273.3 425.0 1698.3 View list