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: 2024/08/31 (14 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 rating1430.6
Current Weighted rating1317.6
Current Weighted performance1405.4
Current official/published rating (highest between Raw, WR and WP)1430.6
Current highest rating achieved1430.6
Current floor (min rating allowed)930.6
Current K-factor32
Games played this month5
Score (S)3.0
Expected score (We)3.31
Difference (S-We)-0.26
Current Raw change (no limits, including tournament time weight)-8.2
Current min/max change allowed (with limits)±119.4
Current Raw change used (final)-8.2
Projected new Raw rating1422.4
Projected new Weighed rating1212.6
Projected new Weighted performance1406.7
Projected new final Raw rating (if new WP > new Raw)1422.4
Projected new highest rating1430.6
Projected new floor930.6
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1422.4
Projected effective change (new Official - current Official)-8.2
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 rating1473.5
Current Weighted rating1330.8
Current Weighted performance1470.4
Current official/published rating (highest between Raw, WR and WP)1473.5
Current highest rating achieved1473.5
Current floor (min rating allowed)973.5
Current K-factor32
Games played this month5
Score (S)3.0
Expected score (We)3.64
Difference (S-We)-0.64
Current Raw change (no limits, including tournament time weight)-20.5
Current min/max change allowed (with limits)±112.3
Current Raw change used (final)-20.5
Projected new Raw rating1453.0
Projected new Weighed rating1225.5
Projected new Weighted performance1455.0
Projected new final Raw rating (if new WP > new Raw)1455.0
Projected new highest rating1473.5
Projected new floor973.5
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1455.0
Projected effective change (new Official - current Official)-18.5
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 rating1223.7
Current Weighted rating1189.5
Current Weighted performance1228.8
Current official/published rating (highest between Raw, WR and WP)1228.8
Current highest rating achieved1223.7
Current floor (min rating allowed)723.7
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)±160.3
Current Raw change used (final)0.0
Projected new Raw rating1223.7
Projected new Weighed rating1094.2
Projected new Weighted performance1228.8
Projected new final Raw rating (if new WP > new Raw)1228.8
Projected new highest rating1228.8
Projected new floor728.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1228.8
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 rating1190.0
Current Weighted rating1191.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1191.2
Current highest rating achieved1190.0
Current floor (min rating allowed)690.0
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 rating1095.7
Projected new Weighted performance392.5
Projected new final Raw rating (if new WP > new Raw)1190.0
Projected new highest rating1190.0
Projected new floor690.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1190.0
Projected effective change (new Official - current Official)-1.2
Tournaments
Tournament: JCC Khelo India 1st Annual Chess Tournament 2024 (C)
Start: 2024/08/31  End: 2024/08/31  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 3.0
Main rating: 1430.6  Rating gain/loss: -8.2
Type rating: 1473.5  Rating gain/loss: -20.5
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
14 JCC Khelo India 1st Annual Chess Tournament 2024 (C) 2024/08/31 2024/08/31 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1430.6 1473.5 Analysis
13 JMC Closed 2024 (C) 2024/08/09 2024/08/11 Johannesburg Metro (GJM) Standard 90 0.94 5 5 4.0 1384.6 1411.4 Analysis
12 JMC Trinityhouse Little Falls 2024 (C) 2024/06/02 2024/06/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1335.9 1343.2 Analysis
11 Chess Power House May Open 2024 (B) 2024/05/25 2024/05/25 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1334.0 1357.0 Analysis
9 JCC SAHETI High Schools League Round Robin 2024 2024/05/20 2024/06/10 Johannesburg Metro (GJM) Rapid 20 0.47 7 4 3.0 1335.9 1168.7 Analysis
10 JCC SAHETI High Schools League Round Robin 2024 2024/05/20 2024/06/10 Johannesburg Metro (GJM) Rapid 20 0.47 7 4 2.0 1335.9 1168.7 Analysis
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
48 JCC Khelo India 1st Annual Chess Tournament 2024 (C) 2024/08/31 2024/08/31 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1430.6 1473.5 Analysis
47 JMC Closed 2024 (C) 2024/08/09 2024/08/11 Johannesburg Metro (GJM) Standard 90 0.94 5 5 4.0 1384.6 1411.4 Analysis
46 JMC Trinityhouse Little Falls 2024 (C) 2024/06/02 2024/06/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1335.9 1343.2 Analysis
45 Chess Power House May Open 2024 (B) 2024/05/25 2024/05/25 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1334.0 1357.0 Analysis
43 JCC SAHETI High Schools League Round Robin 2024 2024/05/20 2024/06/10 Johannesburg Metro (GJM) Rapid 20 0.47 7 4 3.0 1335.9 1168.7 Analysis
44 JCC SAHETI High Schools League Round Robin 2024 2024/05/20 2024/06/10 Johannesburg Metro (GJM) Rapid 20 0.47 7 4 2.0 1335.9 1168.7 Analysis
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
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 68 38 5 25 40.5 59.6 81.3 1320.4 1401.6
White 31 19 2 10 20.0 64.5 123.4 1345.2 1468.6
Black 37 19 3 15 20.5 55.4 45.9 1299.5 1345.5
Standard All 55 31 5 19 33.5 60.9 92.7 1328.1 1420.8
White 27 17 2 8 18.0 66.7 141.7 1354.7 1496.4
Black 28 14 3 11 15.5 55.4 45.5 1302.4 1347.9
Rapid All 13 7 0 6 7.0 53.8 32.7 1287.7 1320.4
White 4 2 0 2 2.0 50.0 0.0 1280.9 1280.9
Black 9 5 0 4 5.0 55.6 47.2 1290.8 1338.0
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 239 116 18 105 125.0 52.3 19.6 1294.3 1313.9
White 118 53 12 53 59.0 50.0 0.0 1305.6 1305.6
Black 121 63 6 52 66.0 54.5 38.6 1283.4 1322.0
Standard All 209 102 18 89 111.0 53.1 26.4 1286.8 1313.3
White 105 48 12 45 54.0 51.4 12.1 1298.1 1310.2
Black 104 54 6 44 57.0 54.8 40.9 1275.5 1316.4
Rapid All 24 11 0 13 11.0 45.8 -35.4 1334.5 1299.1
White 10 5 0 5 5.0 50.0 0.0 1313.6 1313.6
Black 14 6 0 8 6.0 42.9 -60.7 1349.4 1288.7
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 2090190399 Makomva, K (Kyla) 3 3.0 3 0 0 100.0 1335.3 425.0 1760.3 View list
2 108082807 Joseph, J (Jamie) 3 2.0 2 0 1 66.7 1286.8 141.7 1428.5 View list
3 2090108309 Maharaj, A (Anaamika) 3 2.0 2 0 1 66.7 1258.8 141.7 1400.5 View list
4 1140135557 Thorulsley, K (Kairaav) 3 2.0 2 0 1 66.7 1304.9 141.7 1446.6 View list
5 2100108310 Maharaj, A (Arya) 3 1.5 1 1 1 50.0 1278.7 0.0 1278.7 View list
6 1100110075 Mupalala, K (Kenzo) 3 1.5 1 1 1 50.0 1304.8 0.0 1304.8 View list
7 1090105698 Naicker, GC (Gabriel Christian) 3 1.0 1 0 2 33.3 1385.4 -141.7 1243.7 View list
8 1110134886 Thomson-Selibowitz, R (Ryder) 3 1.0 1 0 2 33.3 1315.7 -141.7 1174.1 View list
9 109089434 Van Loggerenberg, L (Logan) 3 0.0 0 0 3 0.0 1282.2 -425.0 857.2 View list
10 1080143807 Cruikshanks, C (Connor) 2 2.0 2 0 0 100.0 1276.4 425.0 1701.4 View list
11 208073206 Fauconier, A (Amber) 2 2.0 2 0 0 100.0 1318.2 425.0 1743.2 View list
12 209083780 Grootboom, C (Chante) 2 2.0 2 0 0 100.0 1330.2 425.0 1755.2 View list
13 1100116575 Iyer, A (Aditya) 2 2.0 2 0 0 100.0 1310.8 425.0 1735.8 View list
14 2120130724 Papanicolaou, A (Alexandra) 2 2.0 2 0 0 100.0 1335.0 425.0 1760.0 View list
15 1130130727 Badenhorst, M (Matthew) 2 1.5 1 1 0 75.0 1290.7 212.5 1503.2 View list
16 111092267 D`Alton, E (Ezra) 2 1.5 1 1 0 75.0 1305.7 212.5 1518.2 View list
17 1110134884 Habangana, B (Bushe) 2 1.5 1 1 0 75.0 1269.0 212.5 1481.5 View list
18 1100133076 Hazelton-Lagarrigue, V (Vincent) 2 1.5 1 1 0 75.0 1225.8 212.5 1438.3 View list
19 1080143808 Dukhan, K (Kashvir) 2 1.0 1 0 1 50.0 1302.4 0.0 1302.4 View list
20 2120115655 Mugaragumbo, A (Amour) 2 1.0 1 0 1 50.0 1231.6 0.0 1231.6 View list