Player Page

Ehlers, R (Ruben)
Dob: 2007/03/19 (U18)
Gender: Male
Chess SA id: 107961373
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2024/08/17 (22 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 rating1360.7
Current Weighted rating1389.2
Current Weighted performance1273.0
Current official/published rating (highest between Raw, WR and WP)1389.2
Current highest rating achieved1503.1
Current floor (min rating allowed)1003.1
Current K-factor32
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)±131.9
Current Raw change used (final)0.0
Projected new Raw rating1360.7
Projected new Weighed rating1276.7
Projected new Weighted performance1273.0
Projected new final Raw rating (if new WP > new Raw)1360.7
Projected new highest rating1503.1
Projected new floor1003.1
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1360.7
Projected effective change (new Official - current Official)-28.5
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 rating1349.2
Current Weighted rating1376.0
Current Weighted performance1273.0
Current official/published rating (highest between Raw, WR and WP)1376.0
Current highest rating achieved1491.5
Current floor (min rating allowed)991.5
Current K-factor32
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)±134.1
Current Raw change used (final)0.0
Projected new Raw rating1349.2
Projected new Weighed rating1264.7
Projected new Weighted performance1273.0
Projected new final Raw rating (if new WP > new Raw)1349.2
Projected new highest rating1491.5
Projected new floor991.5
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1349.2
Projected effective change (new Official - current Official)-26.8
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 rating888.3
Current Weighted rating888.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)888.3
Current highest rating achieved905.0
Current floor (min rating allowed)500.0
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)±258.5
Current Raw change used (final)0.0
Projected new Raw rating888.3
Projected new Weighed rating817.2
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating905.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)888.3
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 rating888.3
Current Weighted rating888.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)888.3
Current highest rating achieved905.0
Current floor (min rating allowed)500.0
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)±258.5
Current Raw change used (final)0.0
Projected new Raw rating888.3
Projected new Weighed rating817.2
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating905.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)888.3
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
8 Eden Top Schools 2024 (U18 Open) 2024/08/17 2024/08/17 Eden (WEG) Standard 60 0.83 5 4 1.0 1380.4 1373.5 Analysis
7 George HS Top Schools 2024 (U18) 2024/07/13 2024/07/13 Eden (WEG) Standard 60 0.83 5 4 2.5 1373.8 1363.6 Analysis
6 Eden Chess Trials 2 2024 (U18) 2024/04/13 2024/04/20 Eden (WEG) Standard 60 0.83 10 10 6.5 1316.4 1284.2 Analysis
5 Western Cape HS Individuals Championship 2024 (U18 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 1.0 1383.1 1370.6 Analysis
4 Eden School Chess Trials 1 2024 (U18 Boys) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 5 3.5 1383.1 1370.6 Analysis
3 George Schools Trials 3 2024 (U18 Boys) 2024/03/02 2024/03/02 Eden District (WEG) Standard 60 0.83 5 0 0.0 1383.1 1370.6 Analysis
2 George Schools Trials 2 2024 (U18 Boys) 2024/02/17 2024/02/17 Eden District (WEG) Standard 60 0.83 5 5 3.0 1410.2 1398.4 Analysis
1 George Schools Trials 1 2024 (U18 Boys) 2024/02/03 2024/02/03 Eden District (WEG) Standard 60 0.83 5 5 3.0 1410.2 1398.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
39 Eden Top Schools 2024 (U18 Open) 2024/08/17 2024/08/17 Eden (WEG) Standard 60 0.83 5 4 1.0 1380.4 1373.5 Analysis
38 George HS Top Schools 2024 (U18) 2024/07/13 2024/07/13 Eden (WEG) Standard 60 0.83 5 4 2.5 1373.8 1363.6 Analysis
37 Eden Chess Trials 2 2024 (U18) 2024/04/13 2024/04/20 Eden (WEG) Standard 60 0.83 10 10 6.5 1316.4 1284.2 Analysis
36 Western Cape HS Individuals Championship 2024 (U18 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 1.0 1383.1 1370.6 Analysis
35 Eden School Chess Trials 1 2024 (U18 Boys) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 5 3.5 1383.1 1370.6 Analysis
34 George Schools Trials 3 2024 (U18 Boys) 2024/03/02 2024/03/02 Eden District (WEG) Standard 60 0.83 5 0 0.0 1383.1 1370.6 Analysis
33 George Schools Trials 2 2024 (U18 Boys) 2024/02/17 2024/02/17 Eden District (WEG) Standard 60 0.83 5 5 3.0 1410.2 1398.4 Analysis
32 George Schools Trials 1 2024 (U18 Boys) 2024/02/03 2024/02/03 Eden District (WEG) Standard 60 0.83 5 5 3.0 1410.2 1398.4 Analysis
31 Eden Trials 2+3 2023 (U18) 2023/04/15 2023/05/13 Eden District (WEG) Standard 60 0.83 10 10 6.5 1383.6 1362.2 Analysis
30 Eden Trails 1 2023 (U17 Boys) 2023/03/11 2023/03/11 Eden District (WEG) Standard 60 0.83 5 5 2.5 1399.3 1377.6 Analysis
29 George Chess Trials 3 2023 (U17 Boys) 2023/02/25 2023/02/25 Eden District (WEG) Standard 60 0.83 5 5 3.0 1435.7 1413.8 Analysis
28 George Chess Trials 2 2023 (U17 Boys) 2023/02/11 2023/02/11 Cape Town (WCT) Standard 60 0.83 5 5 3.5 1435.7 1413.8 Analysis
27 George Chess Trials 1 2023 (U17 Boys) 2023/01/28 2023/01/28 Eden District (WEG) Standard 60 0.83 5 5 3.0 1460.1 1441.3 Analysis
26 George Open 2022 (B) 2022/12/03 2022/12/03 Eden District (WEG) Standard 60 0.83 5 5 3.0 1503.1 1491.5 Analysis
25 Western Cape Top Schools 2022 (U15 Mix) 2022/09/16 2022/09/17 Overberg (WOS) Standard 60 0.83 5 5 5.0 1458.1 1448.6 Analysis
24 Western Cape Schools Chess 2022 (U15 Boys) 2022/05/07 2022/05/08 Eden District (WEG) Standard 65 0.85 6 6 4.0 1433.2 1433.9 Analysis
23 Eden Proewe 2 2022 (O15 Seuns) 2022/04/09 2022/04/09 Eden District (WEG) Standard 65 0.85 5 5 4.0 1347.1 1352.7 Analysis
22 Eden Proewe 1 2022 (O15 Seuns) 2022/03/12 2022/03/12 Eden District (WEG) Standard 65 0.85 5 5 4.0 1318.0 1319.6 Analysis
21 George Trials 3 2022 (U15) 2022/02/26 2022/02/26 Eden District (WEG) Standard 60 0.83 5 5 3.0 1306.6 1302.0 Analysis
20 George Trials 2 2022 (U15) 2022/02/12 2022/02/12 Eden District (WEG) Standard 60 0.83 5 5 3.0 1306.6 1302.0 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 39 19 3 17 20.5 52.6 21.8 1307.7 1329.5
White 19 12 1 6 12.5 65.8 134.2 1311.5 1445.7
Black 20 7 2 11 8.0 40.0 -85.0 1304.2 1219.2
Standard All 39 19 3 17 20.5 52.6 21.8 1307.7 1329.5
White 19 12 1 6 12.5 65.8 134.2 1311.5 1445.7
Black 20 7 2 11 8.0 40.0 -85.0 1304.2 1219.2
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 200 123 17 60 131.5 65.8 133.9 1161.5 1295.4
White 105 73 8 24 77.0 73.3 198.3 1153.2 1351.5
Black 95 50 9 36 54.5 57.4 62.6 1170.7 1233.3
Standard All 200 123 17 60 131.5 65.8 133.9 1161.5 1295.4
White 105 73 8 24 77.0 73.3 198.3 1153.2 1351.5
Black 95 50 9 36 54.5 57.4 62.6 1170.7 1233.3
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 107086420 Kruger, S (Sachin) 7 5.0 4 2 1 71.4 1071.1 182.1 1253.2 View list
2 1080131119 Rossouw, L (Liam) 5 3.5 3 1 1 70.0 1333.9 170.0 1503.9 View list
3 1070097033 Williams, I (Igor) 5 2.0 2 0 3 40.0 1208.9 -85.0 1123.9 View list
4 107086423 Heesen, T (Tyler) 5 1.5 1 1 3 30.0 1383.7 -170.0 1213.7 View list
5 107082963 Barnardo, M (Miguel) 4 3.0 3 0 1 75.0 1315.8 212.5 1528.3 View list
6 107075213 Miggels, A (Alaric) 4 3.0 3 0 1 75.0 1117.0 212.5 1329.5 View list
7 108072976 Du Plessis, A (Arno) 4 1.0 1 0 3 25.0 1239.5 -212.5 1027.0 View list
8 207082958 Kuyler, L (Luzandri) 3 3.0 3 0 0 100.0 1207.9 425.0 1632.9 View list
9 108085285 Harker, C (Cassidy) 3 2.5 2 1 0 83.3 1176.1 283.3 1459.4 View list
10 108085296 Meyer, M (Marsouw) 3 2.0 2 0 1 66.7 1051.7 141.7 1193.3 View list
11 107089396 Valentine, J (Jaden) 3 2.0 2 0 1 66.7 1301.8 141.7 1443.5 View list
12 107088309 Michaels, A (Antonio) 3 1.5 1 1 1 50.0 1339.3 0.0 1339.3 View list
13 207072850 Nel, D (Danika) 3 1.5 1 1 1 50.0 1232.2 0.0 1232.2 View list
14 107082959 Geduld, L (Lucian) 3 0.0 0 0 3 0.0 1174.2 -425.0 749.2 View list
15 107089399 Jacobs, A (Aiden) 3 0.0 0 0 3 0.0 1344.9 -425.0 919.9 View list
16 107092948 Adams, A (Ashley) 2 2.0 2 0 0 100.0 1357.1 425.0 1782.1 View list
17 107085289 Ehlers, A (Alexander) 2 2.0 2 0 0 100.0 906.0 425.0 1331.0 View list
18 1070108193 Erasmus, T (Tristan) 2 2.0 2 0 0 100.0 1384.6 425.0 1809.6 View list
19 106072980 Fourie, J (Janco) 2 2.0 2 0 0 100.0 1447.9 425.0 1872.9 View list
20 1060192928 Jansen, M (Mac) 2 2.0 2 0 0 100.0 1410.2 425.0 1835.2 View list