Player Page

Oerson, E (Ej)
Dob: 2002/11/18 (Adult)
Gender: Male
Chess SA id: 1020119388
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2023/10/21 (209 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 rating1158.5
Curent Weighted rating1154.9
Curent Weighted performance878.1
Current official/published rating (highest between Raw, WR and WP)1158.5
Current floor (min rating allowed)682.7
Current highest rating achieved1182.7
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)±175.9
Current Raw change used (final)0.0
Projected new Raw rating1158.5
Projected new Weighed rating1156.5
Projected new Weighted performance878.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1158.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1182.7
Projected new floor682.7
Projected new K-facor40
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 rating1226.4
Curent Weighted rating1219.3
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1226.4
Current floor (min rating allowed)726.4
Current highest rating achieved1226.4
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)±159.7
Current Raw change used (final)0.0
Projected new Raw rating1226.4
Projected new Weighed rating1220.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1226.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1226.4
Projected new floor726.4
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 rating1074.8
Curent Weighted rating1078.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1078.7
Current floor (min rating allowed)659.2
Current highest rating achieved1159.2
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)±198.2
Current Raw change used (final)0.0
Projected new Raw rating1074.8
Projected new Weighed rating1079.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1079.4
Projected effective change (new Official - current Official)+0.7
Projected new highest rating1159.2
Projected new floor659.2
Projected new K-facor40
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)659.2
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 floor659.2
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
8 Bonnievale Open Rapid 2023 (Intermediate) 2023/10/21 2023/10/21 Cape Winelands (WCW) Rapid 25 0.54 6 6 1.0 1182.7 1107.2 Analysis
7 Strategema 2023 (Open) 2023/05/13 2023/05/13 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1146.8 1193.2 Analysis
6 Langeberg Schools Chess Trials 2023 (Open) 2023/02/11 2023/02/11 Cape Winelands (WCW) Rapid 30 0.60 3 3 3.0 1095.7 1017.2 Analysis
5 Robertson Strategema Club 2022 (Open) 2022/10/29 2022/10/29 Cape Winelands (WCW) Standard 60 0.83 5 4 1.0 1080.4 1200.0 Analysis
4 Strategema Chess Festival 2022 (Open) 2022/05/14 2022/05/14 Cape Winelands (WCW) Rapid 30 0.60 3 3 1.0 1084.7 1016.0 Analysis
3 Robertson Chess 2020 (U19) 2020/03/07 2020/03/07 Cape Winelands (WCW) Rapid 30 0.60 5 5 0.5 1129.6 1083.2 Analysis
2 Cape Winelands Schools Trials 1 2020 (U18 Boys) 2020/02/15 2020/02/15 Cape Winelands (WCW) Rapid 30 0.60 6 6 2.0 1173.8 1159.2 Analysis
1 Robertson Strategema 2019 (U17) 2019/10/05 2019/10/05 Cape Winelands (WCW) Rapid 30 0.60 5 4 1.0 1200.0 1200.0 Analysis
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 36 12 1 23 12.5 34.7 -129.9 1206.7 1076.9
White 19 7 0 12 7.0 36.8 -111.8 1215.0 1103.1
Black 17 5 1 11 5.5 32.4 -150.0 1197.5 1047.5
Standard All 9 4 0 5 4.0 44.4 -47.2 1316.0 1268.8
White 5 2 0 3 2.0 40.0 -85.0 1372.0 1287.0
Black 4 2 0 2 2.0 50.0 0.0 1246.0 1246.0
Rapid All 27 8 1 18 8.5 31.5 -157.4 1170.3 1012.9
White 14 5 0 9 5.0 35.7 -121.4 1158.9 1037.5
Black 13 3 1 9 3.5 26.9 -196.2 1182.6 986.4
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1890139702 Grater, R (Robert) 2 1.0 1 0 1 50.0 1115.8 0.0 1115.8 View list
2 1030119386 Friesland, A (Ashwin) 2 0.0 0 0 2 0.0 1164.8 -425.0 739.8 View list
3 199059356 Swanepoel, A (Aschwin) 2 0.0 0 0 2 0.0 1133.7 -425.0 708.7 View list
4 1030119387 Du Preez, J (Jean-Jacque) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 2990156949 Geldenhuis, C (Chine) 1 1.0 1 0 0 100.0 1146.8 425.0 1571.8 View list
6 1030132403 Adolf, C (Clifford) 1 1.0 1 0 0 100.0 1173.8 425.0 1598.8 View list
7 1910100534 Levendal, I (Ivaan) 1 1.0 1 0 0 100.0 1146.8 425.0 1571.8 View list
8 1020140976 Lundt, C (Clinton) 1 1.0 1 0 0 100.0 1084.7 425.0 1509.7 View list
9 1000147004 Oostendorff, J (Juandre Keith) 1 1.0 1 0 0 100.0 1095.7 425.0 1520.7 View list
10 1020149836 Smit, A (Angelo) 1 1.0 1 0 0 100.0 1095.7 425.0 1520.7 View list
11 1650119397 Thompson, W (William) 1 1.0 1 0 0 100.0 1095.7 425.0 1520.7 View list
12 103059062 Tshindeni, A (Avugile) 1 1.0 1 0 0 100.0 1173.8 425.0 1598.8 View list
13 1800119394 Uys, J (Jacques) 1 1.0 1 0 0 100.0 1080.4 425.0 1505.4 View list
14 1850147574 Van Niekerk, J (Johan) 1 1.0 1 0 0 100.0 1182.7 425.0 1607.7 View list
15 1040119382 Oerson, H (Herlon) 1 0.5 0 1 0 50.0 1129.6 0.0 1129.6 View list
16 1020097137 Oerson, M (Marcello) 1 0.0 0 0 1 0.0 1129.6 -425.0 704.6 View list
17 1060097568 Mizen, D (Daniel) 1 0.0 0 0 1 0.0 1182.7 -425.0 757.7 View list
18 104072643 Madolo, S (Siyolise) 1 0.0 0 0 1 0.0 1173.8 -425.0 748.8 View list
19 1070137714 Lirafu, S (Siyambonga) 1 0.0 0 0 1 0.0 1146.8 -425.0 721.8 View list
20 1040132415 Kuhn, J (Jp) 1 0.0 0 0 1 0.0 1129.6 -425.0 704.6 View list