Player Page

Van Rooyen, E (Ethan)
Dob: 2007/03/29 (U18)
Gender: Male
Chess SA id: 1070141466
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2024/01/14 (161 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 rating1243.6
Current Weighted rating1230.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1243.6
Current highest rating achieved1243.6
Current floor (min rating allowed)743.6
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)±155.8
Current Raw change used (final)0.0
Projected new Raw rating1243.6
Projected new Weighed rating1131.9
Projected new Weighted performance677.0
Projected new final Raw rating (if new WP > new Raw)1243.6
Projected new highest rating1243.6
Projected new floor743.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1243.6
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 rating1229.9
Current Weighted rating1211.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1229.9
Current highest rating achieved1229.9
Current floor (min rating allowed)729.9
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)±158.9
Current Raw change used (final)0.0
Projected new Raw rating1229.9
Projected new Weighed rating1114.5
Projected new Weighted performance425.8
Projected new final Raw rating (if new WP > new Raw)1229.9
Projected new highest rating1229.9
Projected new floor729.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1229.9
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 rating1237.2
Current Weighted rating1237.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1237.2
Current highest rating achieved1237.2
Current floor (min rating allowed)737.2
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)±157.3
Current Raw change used (final)0.0
Projected new Raw rating1237.2
Projected new Weighed rating1138.2
Projected new Weighted performance330.6
Projected new final Raw rating (if new WP > new Raw)1237.2
Projected new highest rating1237.2
Projected new floor737.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1237.2
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 2024 Gauteng Inter-Region Chess Championship (LSEN) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1222.1 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 2024 Gauteng Inter-Region Chess Championship (LSEN) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1222.1 1200.0 Analysis
1 Gauteng Schools Disabiltity Chess Festival 2022 (High School) 2022/05/28 2022/05/28 Ekurhuleni (GE) Rapid 30 0.60 5 5 4.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 3 0 2 3.0 60.0 85.0 1266.8 1351.8
White 3 2 0 1 2.0 66.7 141.7 1268.2 1409.9
Black 2 1 0 1 1.0 50.0 0.0 1264.8 1264.8
Standard All 5 3 0 2 3.0 60.0 85.0 1266.8 1351.8
White 3 2 0 1 2.0 66.7 141.7 1268.2 1409.9
Black 2 1 0 1 1.0 50.0 0.0 1264.8 1264.8
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 10 7 0 3 7.0 70.0 170.0 1175.3 1345.3
White 6 4 0 2 4.0 66.7 141.7 1241.4 1383.0
Black 4 3 0 1 3.0 75.0 212.5 1076.3 1288.8
Standard All 5 3 0 2 3.0 60.0 85.0 1266.8 1351.8
White 3 2 0 1 2.0 66.7 141.7 1268.2 1409.9
Black 2 1 0 1 1.0 50.0 0.0 1264.8 1264.8
Rapid All 5 4 0 1 4.0 80.0 255.0 1083.8 1338.8
White 3 2 0 1 2.0 66.7 141.7 1214.5 1356.2
Black 2 2 0 0 2.0 100.0 425.0 887.7 1312.7
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 103084405 Kopa, K (Katlego) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 1060141441 Dhlamini, K (Kamohelo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1050106647 Zimunya, T (Tumisho) 1 1.0 1 0 0 100.0 1222.1 425.0 1647.1 View list
4 1060115194 Senda, N (Nhlanhla) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1100157350 Seeri, M (Modise) 1 1.0 1 0 0 100.0 1222.1 425.0 1647.1 View list
6 1040102083 Schutte, R (Rohan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1050115379 Rottcher, K (Keenan) 1 1.0 1 0 0 100.0 1222.1 425.0 1647.1 View list
8 1030115372 Ndlovu, M (Mpumelelo) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
9 1070191605 Loukidis, L (Lucian) 1 0.0 0 0 1 0.0 1222.1 -425.0 797.1 View list
10 1060130006 Kruger, J (Joshua) 1 0.0 0 0 1 0.0 1222.1 -425.0 797.1 View list