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Ruben De Graaff

1090101502
Overberg (WOS)
Personal
Main rating
Rating 1305
K-factor 36
Floor 805
Highest 1472.7 (2018-08-01)
Min/Max +/- allowed 112
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1204.3
Final +/- 0
New Rating
()
Rating 1305
K-factor 36
Floor 805
Highest 1472.7 (2018-08-01)
Min/Max +/- allowed 112.4
Standard rating
Rating 1202.2
K-factor 36
Floor 788.7
Highest 1475.1 (2018-08-01)
Min/Max +/- allowed 112
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 772.8
Final +/- 0
New Rating
()
Rating 1202.2
K-factor 36
Floor 788.7
Highest 1475.1 (2018-08-01)
Min/Max +/- allowed 112
Rapid rating
Rating 1317.6
K-factor 36
Floor 817.6
Highest 1317.6 (2026-02-28)
Min/Max +/- allowed 140.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1317.6
K-factor 36
Floor 817.6
Highest 1317.6 (2026-02-28)
Min/Max +/- allowed 140.2
Blitz rating
Rating 1219.4
K-factor 36
Floor 719.4
Highest 1298.2 (2024-07-01)
Min/Max +/- allowed 144.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1219.4
K-factor 36
Floor 719.4
Highest 1298.2 (2024-07-01)
Min/Max +/- allowed 144.2
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Overberg Schools High School Trials 2026 (U17 Boys) Rapid 2026-02-21 2026-02-21 Overberg (WOS) 6 1294 6 4 1365.8 0 Details
2 Overberg Schools - HS Trials 2025 (U17 Boys) Rapid 2025-02-22 2025-02-22 Overberg (WOS) 6 1268.1 6 4 1437.1 0 Details
3 Worcester Knock-Out 2024 (U15 Boys) Rapid 2024-10-19 2024-10-19 Cape Winelands (WCW) 6 1219.9 6 5 1535.3 0 Details
4 HS Swellendam July Tournament 2024 Blitz 2024-07-31 2024-07-31 Overberg (WOS) 5 1215.7 5 3 1320.2 0 Details
5 Strategema 2023 (U15-U19) Standard 2023-05-13 2023-05-13 Cape Winelands (WCW) 5 1199.3 5 3 1299.5 0 Details
6 Overberg High Schools Trails 2023 (U15) Rapid 2023-02-24 2023-02-24 Overberg (WOS) 5 1190 5 3 1296.4 0 Details
7 Ekurhuleni-North Schools Teams 2022 (U13) Standard 2022-08-06 2022-08-06 Ekurhuleni (GE) 5 1196.6 5 2 1152.9 0 Details
8 Ekurhuleni-North Schools Finals Indiv 2022 (U13 Boys) Standard 2022-05-13 2022-05-13 Ekurhuleni (GE) 5 1219.6 5 2 1080.2 0 Details
9 Ekurhuleni Trials 1 2022 (U14) Standard 2022-04-23 2022-04-23 Ekurhuleni (GE) 5 1229.6 5 2.5 1180.3 0 Details
10 Ekurhuleni Trials (3) Standard 2021-11-06 2021-11-06 Ekurhuleni (GE) 5 1229.6 0 0 0 0 Details
11 Ekurhuleni North Schools District Finals 2021 (U13 Boys) Standard 2021-09-11 2021-09-11 Ekurhuleni (GE) 5 1277.7 4 1 934.5 0 Details
12 2019 Alekhine Open (C) Classical 2019-08-09 2019-08-10 Tshwane (GTP) 5 1277.7 0 0 0 0 Details
13 Ekurhuleni North School District Finals 2019 (U11 Boys) Standard 2019-05-11 2019-05-11 Ekurhuleni (GE) 5 1254.4 5 4 1379.4 0 Details
14 Ekurhuleni North District Schools Final 2018 (U9) Standard 2018-08-04 2018-08-04 Ekurhuleni (GE) 5 1200 5 4 1471.2 0 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 6
Wins 4
Draws 0
Losses 2
White 3
Black 3
White wins 1
Black wins 3
Score 4
Percent 66.7
Dp 141.7
AOR 1224.1
Performance 1365.7
Game statistics (History)
Games 62
Wins 36
Draws 3
Losses 23
White 29
Black 33
White wins 15
Black wins 21
Score 37.5
Percent 60.5
Dp 89.1
AOR 1212
Performance 1301.1
Rankings (Main)
National
Overall 5827
Gender 4826
Age group 918
Gender/Age 746
Provincial
Overall 1753
Gender 1380
Age group 250
Gender/Age 183
Regional
Overall 120
Gender 83
Age group 19
Gender/Age 10
Rankings (Standard)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Rankings (Rapid)
National
Overall 1679
Gender 1397
Age group 214
Gender/Age 180
Provincial
Overall 772
Gender 631
Age group 106
Gender/Age 87
Regional
Overall 80
Gender 57
Age group 16
Gender/Age 9
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 6
Score 4
Percent 66.7
Aor 1224.1
Dp 141.7
Prat 1365.7
Performance (12 months)
Games 6
Score 4
Percent 66.7
Aor 1224.1
Dp 141.7
Prat 1365.7
Performance (History)
Games 62
Score 37.5
Percent 60.5
Aor 1212
Dp 89.1
Prat 1301.1
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Gabriel, J (Jonathan) 2 2 0 Overberg Schools - HS Trials 2025 (U17 Boys) Overberg Schools High School Trials 2026 (U17 Boys) Details
Overall 2 Ramohlohla, L (Lerato Motaso) 2 2 0 Ekurhuleni North District Schools Final 2018 (U9) Ekurhuleni-North Schools Teams 2022 (U13) Details
Overall 3 Jordaan, M (Mine) 2 1 1 Ekurhuleni Trials 1 2022 (U14) Ekurhuleni-North Schools Teams 2022 (U13) Details
Standard 1 Ramohlohla, L (Lerato Motaso) 2 2 0 Ekurhuleni North District Schools Final 2018 (U9) Ekurhuleni-North Schools Teams 2022 (U13) Details
Standard 2 Jordaan, M (Mine) 2 1 1 Ekurhuleni Trials 1 2022 (U14) Ekurhuleni-North Schools Teams 2022 (U13) Details
Rapid 1 Gabriel, J (Jonathan) 2 2 0 Overberg Schools - HS Trials 2025 (U17 Boys) Overberg Schools High School Trials 2026 (U17 Boys) Details