Player Page

De Graaff, R (Ruben)
Dob: 2009/10/02 (U16)
Gender: Male
Chess SA id: 1090101502
FIDE id:
Region: Overberg (WOS)
Citizen: RSA
Title(s):
Last active: 2024/10/19 (52 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 rating1268.1
Current Weighted rating1224.2
Current Weighted performance1170.3
Current official/published rating (highest between Raw, WR and WP)1268.1
Current highest rating achieved1277.7
Current floor (min rating allowed)777.7
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)±150.5
Current Raw change used (final)0.0
Projected new Raw rating1268.1
Projected new Weighed rating1126.8
Projected new Weighted performance1170.3
Projected new final Raw rating (if new WP > new Raw)1268.1
Projected new highest rating1277.7
Projected new floor777.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1268.1
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 rating1202.2
Current Weighted rating1201.4
Current Weighted performance853.6
Current official/published rating (highest between Raw, WR and WP)1202.2
Current highest rating achieved1288.7
Current floor (min rating allowed)788.7
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)±165.3
Current Raw change used (final)0.0
Projected new Raw rating1202.2
Projected new Weighed rating1105.5
Projected new Weighted performance853.6
Projected new final Raw rating (if new WP > new Raw)1202.2
Projected new highest rating1288.7
Projected new floor788.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1202.2
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 rating1285.2
Current Weighted rating1210.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1285.2
Current highest rating achieved1285.2
Current floor (min rating allowed)785.2
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)±146.9
Current Raw change used (final)0.0
Projected new Raw rating1285.2
Projected new Weighed rating1113.7
Projected new Weighted performance770.8
Projected new final Raw rating (if new WP > new Raw)1285.2
Projected new highest rating1285.2
Projected new floor785.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1285.2
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 rating1219.4
Current Weighted rating1207.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1219.4
Current highest rating achieved1219.4
Current floor (min rating allowed)719.4
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)±161.3
Current Raw change used (final)0.0
Projected new Raw rating1219.4
Projected new Weighed rating1110.8
Projected new Weighted performance420.2
Projected new final Raw rating (if new WP > new Raw)1219.4
Projected new highest rating1219.4
Projected new floor719.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1219.4
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 Worcester Knock-Out 2024 (U15 Boys) 2024/10/19 2024/10/19 Cape Winelands (WCW) Rapid 30 0.60 6 6 5.0 1219.9 1196.0 Analysis
1 HS Swellendam July Tournament 2024 2024/07/31 2024/07/31 Overberg (WOS) Blitz 5 0.18 5 5 3.0 1215.7 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
12 Worcester Knock-Out 2024 (U15 Boys) 2024/10/19 2024/10/19 Cape Winelands (WCW) Rapid 30 0.60 6 6 5.0 1219.9 1196.0 Analysis
11 HS Swellendam July Tournament 2024 2024/07/31 2024/07/31 Overberg (WOS) Blitz 5 0.18 5 5 3.0 1215.7 1200.0 Analysis
10 Strategema 2023 (U15-U19) 2023/05/13 2023/05/13 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1199.3 1178.1 Analysis
9 Overberg High Schools Trails 2023 (U15) 2023/02/24 2023/02/24 Overberg (WOS) Rapid 15 0.39 5 5 3.0 1190.0 1200.0 Analysis
8 Ekurhuleni-North Schools Teams 2022 (U13) 2022/08/06 2022/08/06 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1196.6 1187.5 Analysis
7 Ekurhuleni-North Schools Finals Indiv 2022 (U13 Boys) 2022/05/13 2022/05/13 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1219.6 1215.2 Analysis
6 Ekurhuleni Trials 1 2022 (U14) 2022/04/23 2022/04/23 Ekurhuleni (GE) Standard 62 0.84 5 5 2.5 1229.6 1228.2 Analysis
5 Ekurhuleni Trials (3) 2021 (U14) 2021/11/06 2021/11/06 Ekurhuleni (GE) Standard 62 0.84 5 0 0.0 1229.6 1228.2 Analysis
4 Ekurhuleni North Schools District Finals 2021 (U13 Boys) 2021/09/11 2021/09/11 Ekurhuleni (GE) Standard 60 0.83 5 4 1.0 1277.7 1288.7 Analysis
3 2019 Alekhine Open (C) 2019/08/09 2019/08/10 Tshwane (GTP) Standard 120 1.00 5 0 0.0 1277.7 1288.7 Analysis
2 Ekurhuleni North School District Finals 2019 (U11 Boys) 2019/05/11 2019/05/11 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1254.4 1266.0 Analysis
1 Ekurhuleni North District Schools Final 2018 (U9) 2018/08/04 2018/08/04 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 11 8 0 3 8.0 72.7 193.2 1244.4 1437.5
White 5 3 0 2 3.0 60.0 85.0 1259.4 1344.4
Black 6 5 0 1 5.0 83.3 283.3 1231.9 1515.2
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 6 5 0 1 5.0 83.3 283.3 1252.0 1535.3
White 3 2 0 1 2.0 66.7 141.7 1255.3 1397.0
Black 3 3 0 0 3.0 100.0 425.0 1248.7 1673.7
Blitz All 5 3 0 2 3.0 60.0 85.0 1235.2 1320.2
White 2 1 0 1 1.0 50.0 0.0 1265.4 1265.4
Black 3 2 0 1 2.0 66.7 141.7 1215.0 1356.7
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 50 28 3 19 29.5 59.0 76.5 1200.5 1277.0
White 23 12 1 10 12.5 54.3 37.0 1182.3 1219.3
Black 27 16 2 9 17.0 63.0 110.2 1216.0 1326.2
Standard All 34 17 3 14 18.5 54.4 37.5 1184.7 1222.2
White 16 7 1 8 7.5 46.9 -26.6 1168.4 1141.8
Black 18 10 2 6 11.0 61.1 94.4 1199.2 1293.7
Rapid All 11 8 0 3 8.0 72.7 193.2 1233.6 1426.7
White 5 4 0 1 4.0 80.0 255.0 1193.7 1448.7
Black 6 4 0 2 4.0 66.7 141.7 1266.8 1408.5
Blitz All 5 3 0 2 3.0 60.0 85.0 1235.2 1320.2
White 2 1 0 1 1.0 50.0 0.0 1265.4 1265.4
Black 3 2 0 1 2.0 66.7 141.7 1215.0 1356.7
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2090113265 Ramohlohla, L (Lerato Motaso) 2 1.0 1 0 1 50.0 1198.3 0.0 1198.3 View list
2 2100101516 Jordaan, M (Mine) 2 0.5 0 1 1 25.0 1213.1 -212.5 1000.6 View list
3 1060152224 Damons, K (Keagon) 1 1.0 1 0 0 100.0 1215.7 425.0 1640.7 View list
4 1100118102 Cronje, T (Tian) 1 1.0 1 0 0 100.0 1219.6 425.0 1644.6 View list
5 1100142729 Costelha, G (Gabriel) 1 1.0 1 0 0 100.0 1219.6 425.0 1644.6 View list
6 1090101501 Botha, T (Trevor Justus) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1090140977 Blaauws, I (Ilano) 1 1.0 1 0 0 100.0 1219.9 425.0 1644.9 View list
8 1090113102 Du Plessis, WJH (Willem Jacobus Hendrik) 1 1.0 1 0 0 100.0 1254.4 425.0 1679.4 View list
9 1100107816 Dippenaar, KR (Keanu Roy) 1 1.0 1 0 0 100.0 1229.6 425.0 1654.6 View list
10 1060106140 Jack, C (Chivano) 1 1.0 1 0 0 100.0 1190.0 425.0 1615.0 View list
11 1090109847 Hugo, E (Emil) 1 1.0 1 0 0 100.0 1219.9 425.0 1644.9 View list
12 2090101537 Huebsch, J (Jessica) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
13 1080105074 Hewu, S (Sange) 1 1.0 1 0 0 100.0 1254.4 425.0 1679.4 View list
14 1090141757 Gray, Z (Zhakier) 1 1.0 1 0 0 100.0 1219.9 425.0 1644.9 View list
15 1100141748 Arries, A (Aldavian) 1 1.0 1 0 0 100.0 1219.9 425.0 1644.9 View list
16 1100103428 Fourie, O (Ockert) 1 1.0 1 0 0 100.0 1219.9 425.0 1644.9 View list
17 2080156955 Flores, S (Sarah) 1 1.0 1 0 0 100.0 1215.7 425.0 1640.7 View list
18 1090101509 Janse Van Vuuren, A (Alexander) 1 1.0 1 0 0 100.0 1254.4 425.0 1679.4 View list
19 1090135391 Langa, ZC (Zolani Chabby) 1 1.0 1 0 0 100.0 1277.7 425.0 1702.7 View list
20 1100144419 Lubbe, J (Juan) 1 1.0 1 0 0 100.0 1196.6 425.0 1621.6 View list