Player Page

Van Der Merwe, R (Ruben)
Dob: 2007/03/15 (U18)
Gender: Male
Chess SA id: 1070105122
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2023/02/04 (464 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 rating1210.6
Curent Weighted rating1215.8
Curent Weighted performance928.3
Current official/published rating (highest between Raw, WR and WP)1215.8
Current floor (min rating allowed)753.9
Current highest rating achieved1253.9
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)±163.3
Current Raw change used (final)0.0
Projected new Raw rating1210.6
Projected new Weighed rating1214.6
Projected new Weighted performance928.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1214.6
Projected effective change (new Official - current Official)-1.2
Projected new highest rating1253.9
Projected new floor753.9
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 rating1136.8
Curent Weighted rating1141.9
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1141.9
Current floor (min rating allowed)679.2
Current highest rating achieved1179.2
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)±181.4
Current Raw change used (final)0.0
Projected new Raw rating1136.8
Projected new Weighed rating1140.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1140.8
Projected effective change (new Official - current Official)-1.1
Projected new highest rating1179.2
Projected new floor679.2
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 rating1252.8
Curent Weighted rating1252.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1252.8
Current floor (min rating allowed)752.8
Current highest rating achieved1252.8
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)±153.8
Current Raw change used (final)0.0
Projected new Raw rating1252.8
Projected new Weighed rating1252.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1252.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1252.8
Projected new floor752.8
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 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)752.8
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 floor752.8
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
8 Central District School Trials 2023 (U17 Boys) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 5 1.0 1253.9 1179.2 Analysis
7 CTCA Rapid Masters @ Claremont Chess Club 2022 (Open) 2022/04/18 2022/04/18 Cape Town (WCT) Rapid 15 0.39 6 6 3.0 1229.9 1184.0 Analysis
6 CTCA Rapid Masters @ Claremont Chess Club 2022 (Open) 2022/03/21 2022/03/21 Cape Town (WCT) Rapid 15 0.39 6 6 2.0 1202.8 1164.4 Analysis
5 2022 Central District Individual Trials (U15) 2022/03/05 2022/03/05 Cape Town (WCT) Rapid 30 0.60 5 5 3.0 1202.8 1164.4 Analysis
4 Western Province Open 2022 (Intermediate) 2022/02/26 2022/02/27 Cape Town (WCT) Standard 70 0.87 6 6 3.0 1162.1 1132.0 Analysis
3 2022 Cape Of Good Hope Open (Intrmediate) 2022/01/29 2022/01/30 Cape Town (WCT) Standard 70 0.87 6 6 3.0 1131.5 1099.6 Analysis
2 Jacques Vuyo Le Roux Memorial Rapid 2021 2021/12/04 2021/12/04 Cape Town (WCT) Rapid 20 0.47 6 6 2.5 1116.3 1200.0 Analysis
1 2018 D4 Tshwane South Schools League Finals (U11) 2018/08/03 2018/08/03 Tshwane (GTP) Standard 60 0.83 5 5 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 45 17 3 25 18.5 41.1 -75.6 1302.1 1226.5
White 21 9 0 12 9.0 42.9 -60.7 1330.2 1269.5
Black 24 8 3 13 9.5 39.6 -88.5 1277.4 1188.9
Standard All 22 7 2 13 8.0 36.4 -115.9 1216.8 1100.9
White 10 5 0 5 5.0 50.0 0.0 1269.3 1269.3
Black 12 2 2 8 3.0 25.0 -212.5 1173.0 960.5
Rapid All 23 10 1 12 10.5 45.7 -37.0 1383.6 1346.7
White 11 4 0 7 4.0 36.4 -115.9 1385.6 1269.7
Black 12 6 1 5 6.5 54.2 35.4 1381.8 1417.2
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 1060108804 Ntukela, A (Amzolele) 2 0.0 0 0 2 0.0 1159.5 -425.0 734.5 View list
2 1120134740 De La Rey, C (Callum) 1 1.0 1 0 0 100.0 1131.5 425.0 1556.5 View list
3 106092092 Budge, D (Daniel) 1 1.0 1 0 0 100.0 1116.3 425.0 1541.3 View list
4 2080109012 Gebu, S (Sisipho) 1 1.0 1 0 0 100.0 1131.5 425.0 1556.5 View list
5 207090606 Gcuze, K (Khanya) 1 1.0 1 0 0 100.0 1162.1 425.0 1587.1 View list
6 108089520 Adams, K (Kyron) 1 1.0 1 0 0 100.0 1202.8 425.0 1627.8 View list
7 1060138678 Hendricks, I (Ighlaas) 1 1.0 1 0 0 100.0 1229.9 425.0 1654.9 View list
8 1720112190 Jegels, L (Llewellin) 1 1.0 1 0 0 100.0 1229.9 425.0 1654.9 View list
9 1070135110 Herrestrup, K (Karsten) 1 1.0 1 0 0 100.0 1116.3 425.0 1541.3 View list
10 2100109060 Makhasi, A (Athule) 1 1.0 1 0 0 100.0 1131.5 425.0 1556.5 View list
11 1070138092 Maumbe, T (Taponeswa) 1 1.0 1 0 0 100.0 1202.8 425.0 1627.8 View list
12 1080138095 Moodley, L (Liam) 1 1.0 1 0 0 100.0 1202.8 425.0 1627.8 View list
13 108093217 Motsa, KA (Khetsa Avumile) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
14 1060139310 Narza, K (Khelil) 1 1.0 1 0 0 100.0 1202.8 425.0 1627.8 View list
15 1070138099 Ntanda, M (Massude) 1 1.0 1 0 0 100.0 1202.8 425.0 1627.8 View list
16 107076747 Osborne, R (Ryan Eugene) 1 1.0 1 0 0 100.0 1162.1 425.0 1587.1 View list
17 1070150622 Salie, A (Aadam) 1 1.0 1 0 0 100.0 1253.9 425.0 1678.9 View list
18 1060136975 Tasriet, M (Mohammed Saalih) 1 1.0 1 0 0 100.0 1229.9 425.0 1654.9 View list
19 100086060 Adams, K (Keenan) 1 0.5 0 1 0 50.0 1162.1 0.0 1162.1 View list
20 1080110836 Henning, C (Chris) 1 0.5 0 1 0 50.0 1162.1 0.0 1162.1 View list