Player Page

Arokiam, E (Ethan)
Dob: 2009/12/14 (U16)
Gender: Male
Chess SA id: 1090130895
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (6 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 rating1334.0
Curent Weighted rating1293.6
Curent Weighted performance1327.6
Current official/published rating (highest between Raw, WR and WP)1334.0
Current floor (min rating allowed)926.9
Current highest rating achieved1426.9
Current K-factor32
Games played this month10
Score (S)5.5
Expected score (We)4.62
Difference (S-We)0.88
Current Raw change (no limits, including tournament time weight)23.4
Current min/max change allowed (with limits)±137.0
Current Raw change used (final)23.4
Projected new Raw rating1357.4
Projected new Weighed rating1297.6
Projected new Weighted performance1327.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1357.4
Projected effective change (new Official - current Official)+23.4
Projected new highest rating1426.9
Projected new floor926.9
Projected new K-facor32
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 rating1357.0
Curent Weighted rating1298.0
Curent Weighted performance1349.5
Current official/published rating (highest between Raw, WR and WP)1357.0
Current floor (min rating allowed)915.1
Current highest rating achieved1415.1
Current K-factor32
Games played this month10
Score (S)5.5
Expected score (We)4.98
Difference (S-We)0.52
Current Raw change (no limits, including tournament time weight)16.6
Current min/max change allowed (with limits)±132.6
Current Raw change used (final)16.6
Projected new Raw rating1373.6
Projected new Weighed rating1303.5
Projected new Weighted performance1349.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1373.6
Projected effective change (new Official - current Official)+16.6
Projected new highest rating1415.1
Projected new floor915.1
Projected new K-facor32
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 rating1168.7
Curent Weighted rating1182.9
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1182.9
Current floor (min rating allowed)703.2
Current highest rating achieved1203.2
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)±173.4
Current Raw change used (final)0.0
Projected new Raw rating1168.7
Projected new Weighed rating1181.3
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1181.3
Projected effective change (new Official - current Official)-1.7
Projected new highest rating1203.2
Projected new floor703.2
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 rating1190.0
Curent Weighted rating1192.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1192.6
Current floor (min rating allowed)703.2
Current highest rating achieved1190.0
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)±168.2
Current Raw change used (final)0.0
Projected new Raw rating1190.0
Projected new Weighed rating1192.2
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1192.2
Projected effective change (new Official - current Official)-0.4
Projected new highest rating1190.0
Projected new floor703.2
Projected new K-facor40
Tournaments
Tournament: JMC Crawford International Sandton 2024 (C)
Start: 2024/05/11  End: 2024/05/11  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 3.5
Main rating: 1334.0  Rating gain/loss: 25.8
Type rating: 1357.0  Rating gain/loss: 26.9
Analysis
Tournament: JMC Helpmekaar Kollege Tournament 2024 (C)
Start: 2024/05/04  End: 2024/05/04  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 2.0
Main rating: 1334.0  Rating gain/loss: -2.4
Type rating: 1357.0  Rating gain/loss: -10.2
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
8 JMC Crawford International Sandton 2024 (C) 2024/05/11 2024/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1334.0 1357.0 Analysis
7 JMC Helpmekaar Kollege Tournament 2024 (C) 2024/05/04 2024/05/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1334.0 1357.0 Analysis
6 2024 Silver Lakes Open Chess Tournament (D2) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1318.9 1333.5 Analysis
5 Ekurhuleni Open 2024 (B) 2024/04/06 2024/04/06 Ekurhuleni (GE) Standard 60 0.83 5 5 2.5 1318.9 1333.5 Analysis
4 JMC Unika School Tournament 2024 (C) 2024/03/02 2024/03/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1308.5 1322.6 Analysis
3 Chess Power House 1st Rapid 2024 (A) 2024/02/24 2024/02/24 Johannesburg Metro (GJM) Rapid 20 0.47 5 5 2.0 1307.0 1168.3 Analysis
2 JMC Kick Off Tournament 2024 (C) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1244.3 1259.9 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U16C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1244.3 1259.9 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
42 JMC Crawford International Sandton 2024 (C) 2024/05/11 2024/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1334.0 1357.0 Analysis
41 JMC Helpmekaar Kollege Tournament 2024 (C) 2024/05/04 2024/05/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1334.0 1357.0 Analysis
40 2024 Silver Lakes Open Chess Tournament (D2) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1318.9 1333.5 Analysis
39 Ekurhuleni Open 2024 (B) 2024/04/06 2024/04/06 Ekurhuleni (GE) Standard 60 0.83 5 5 2.5 1318.9 1333.5 Analysis
38 JMC Unika School Tournament 2024 (C) 2024/03/02 2024/03/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1308.5 1322.6 Analysis
37 Chess Power House 1st Rapid 2024 (A) 2024/02/24 2024/02/24 Johannesburg Metro (GJM) Rapid 20 0.47 5 5 2.0 1307.0 1168.3 Analysis
36 JMC Kick Off Tournament 2024 (C) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1244.3 1259.9 Analysis
35 2024 Gauteng Inter-Region Chess Championship (U16C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1244.3 1259.9 Analysis
34 Mzansi Bryanston Rapid 2023 (Intermediate) 2023/10/07 2023/10/07 Johannesburg Metro (GJM) Rapid 25 0.54 5 4 1.0 1274.7 1203.2 Analysis
33 St Peters College Chess League 2023 (A) 2023/09/11 2023/10/23 Johannesburg Metro (GJM) Standard 60 0.83 6 3 1.0 1274.7 1279.4 Analysis
32 ThinkChess Academy 2023 (A) 2023/09/09 2023/09/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1277.3 1285.8 Analysis
31 Mzansi Spring Rapid 2023 2023/09/02 2023/09/02 Johannesburg Metro (GJM) Rapid 15 0.39 7 7 3.0 1277.3 1200.0 Analysis
30 Chess Power House 2023 (B) 2023/08/19 2023/08/19 Johannesburg Metro (GJM) Standard 90 0.94 5 5 1.5 1314.0 1327.4 Analysis
29 JMC Trinity Little Falls 2023 (B) 2023/07/02 2023/07/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.5 1318.2 1329.5 Analysis
28 JNW Open - Trinityhouse Little Falls 2023 (B) 2023/06/24 2023/06/24 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1238.3 1208.7 Analysis
27 JMC Blitz - Higher Ground 2023 2023/06/17 2023/06/17 Johannesburg Metro (GJM) Blitz 8 0.25 7 6 3.0 1238.3 1200.0 Analysis
26 GoForChess Junior Chess Championship 2023 (Senior) 2023/06/10 2023/06/10 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1238.3 1208.7 Analysis
25 Wynie Robbertse Open Tournament 2023 (B) 2023/06/03 2023/06/03 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1238.3 1208.7 Analysis
24 Gauteng Open Arnold Classic 2023 (C) 2023/05/20 2023/05/20 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1229.8 1192.4 Analysis
23 2023 Milos Ristic Open Tournament (B) 2023/04/27 2023/04/27 Tshwane (GTP) Standard 60 0.83 5 4 0.0 1273.9 1243.9 Analysis
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 40 20 5 15 22.5 56.3 53.1 1332.8 1386.0
White 19 11 2 6 12.0 63.2 111.8 1344.6 1456.5
Black 21 9 3 9 10.5 50.0 0.0 1322.2 1322.2
Standard All 35 18 5 12 20.5 58.6 72.9 1322.9 1395.8
White 17 10 2 5 11.0 64.7 125.0 1337.9 1462.9
Black 18 8 3 7 9.5 52.8 23.6 1308.8 1332.4
Rapid All 5 2 0 3 2.0 40.0 -85.0 1402.1 1317.1
White 2 1 0 1 1.0 50.0 0.0 1402.0 1402.0
Black 3 1 0 2 1.0 33.3 -141.7 1402.1 1260.4
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 211 98 18 95 107.0 50.7 6.0 1293.3 1299.3
White 106 45 12 49 51.0 48.1 -16.0 1301.0 1285.0
Black 105 53 6 46 56.0 53.3 28.3 1285.4 1313.8
Standard All 189 89 18 82 98.0 51.9 15.7 1281.5 1297.3
White 95 41 12 42 47.0 49.5 -4.5 1289.1 1284.6
Black 94 48 6 40 51.0 54.3 36.2 1273.9 1310.0
Rapid All 16 6 0 10 6.0 37.5 -106.3 1393.6 1287.3
White 8 4 0 4 4.0 50.0 0.0 1352.0 1352.0
Black 8 2 0 6 2.0 25.0 -212.5 1435.2 1222.7
Blitz All 6 3 0 3 3.0 50.0 0.0 1395.0 1395.0
White 3 0 0 3 0.0 0.0 -425.0 1541.8 1116.8
Black 3 3 0 0 3.0 100.0 425.0 1248.3 1673.3
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 108082807 Joseph, J (Jamie) 3 2.0 2 0 1 66.7 1286.8 141.7 1428.5 View list
2 2090108309 Maharaj, A (Anaamika) 3 2.0 2 0 1 66.7 1258.8 141.7 1400.5 View list
3 1140135557 Thorulsley, K (Kairaav) 3 2.0 2 0 1 66.7 1304.9 141.7 1446.6 View list
4 2100108310 Maharaj, A (Arya) 3 1.5 1 1 1 50.0 1278.7 0.0 1278.7 View list
5 1100110075 Mupalala, K (Kenzo) 3 1.5 1 1 1 50.0 1304.8 0.0 1304.8 View list
6 1090105698 Naicker, GC (Gabriel Christian) 3 1.0 1 0 2 33.3 1385.4 -141.7 1243.7 View list
7 109089434 Van Loggerenberg, L (Logan) 3 0.0 0 0 3 0.0 1282.2 -425.0 857.2 View list
8 1080143807 Cruikshanks, C (Connor) 2 2.0 2 0 0 100.0 1276.4 425.0 1701.4 View list
9 208073206 Fauconier, A (Amber) 2 2.0 2 0 0 100.0 1318.2 425.0 1743.2 View list
10 1100116575 Iyer, A (Aditya) 2 2.0 2 0 0 100.0 1310.8 425.0 1735.8 View list
11 1130130727 Badenhorst, M (Matthew) 2 1.5 1 1 0 75.0 1290.7 212.5 1503.2 View list
12 111092267 D`Alton, E (Ezra) 2 1.5 1 1 0 75.0 1305.7 212.5 1518.2 View list
13 1110134884 Habangana, B (Bushe) 2 1.5 1 1 0 75.0 1269.0 212.5 1481.5 View list
14 1100133076 Hazelton-Lagarrigue, V (Vincent) 2 1.5 1 1 0 75.0 1225.8 212.5 1438.3 View list
15 1080143808 Dukhan, K (Kashvir) 2 1.0 1 0 1 50.0 1302.4 0.0 1302.4 View list
16 2120115655 Mugaragumbo, A (Amour) 2 1.0 1 0 1 50.0 1231.6 0.0 1231.6 View list
17 1120111803 Retief, A (Antonie) 2 1.0 1 0 1 50.0 1285.8 0.0 1285.8 View list
18 1100117290 Weng, Y (Yu Bo (David)) 2 1.0 1 0 1 50.0 1302.4 0.0 1302.4 View list
19 109086017 Roetz, K (Kyle) 2 0.5 0 1 1 25.0 1325.7 -212.5 1113.2 View list
20 109069449 Boheim, E (Eugene) 2 0.0 0 0 2 0.0 1291.2 -425.0 866.2 View list