Player Page

De Graaff, R (Ruben)
Dob: 2012/04/23 (U14)
Gender: Male
Chess SA id: 1120117573
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2020/01/25 (1614 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 rating1176.8
Current Weighted rating1176.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1176.8
Current highest rating achieved1247.5
Current floor (min rating allowed)747.5
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)±171.4
Current Raw change used (final)0.0
Projected new Raw rating1176.8
Projected new Weighed rating1082.7
Projected new Weighted performance374.8
Projected new final Raw rating (if new WP > new Raw)1176.8
Projected new highest rating1247.5
Projected new floor747.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1176.8
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 rating1169.8
Current Weighted rating1169.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1169.8
Current highest rating achieved1257.2
Current floor (min rating allowed)757.2
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)±173.1
Current Raw change used (final)0.0
Projected new Raw rating1169.8
Projected new Weighed rating1076.2
Projected new Weighted performance374.8
Projected new final Raw rating (if new WP > new Raw)1169.8
Projected new highest rating1257.2
Projected new floor757.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1169.8
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 2020 Registration Tournament (E) 2020/01/25 2020/01/25 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1214.1 1218.0 Analysis
3 2019 Alekhine Open (F) 2019/08/09 2019/08/09 Tshwane (GTP) Standard 120 1.00 5 5 2.0 1245.4 1252.9 Analysis
2 2018 Gauteng League Final (U9) 2018/08/24 2018/08/24 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1247.5 1257.2 Analysis
1 Ekurhuleni North Schools Individuals 2018 2018/05/12 2018/05/12 Ekurhuleni (GE) Standard 60 0.83 5 5 4.5 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 25 13 1 11 13.5 54.0 34.0 1134.8 1168.8
White 14 6 0 8 6.0 42.9 -60.7 1185.5 1124.8
Black 11 7 1 3 7.5 68.2 154.5 1070.3 1224.9
Standard All 25 13 1 11 13.5 54.0 34.0 1134.8 1168.8
White 14 6 0 8 6.0 42.9 -60.7 1185.5 1124.8
Black 11 7 1 3 7.5 68.2 154.5 1070.3 1224.9
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 1120106596 Prinsloo, M (Migael) 2 2.0 2 0 0 100.0 1245.4 425.0 1670.4 View list
2 1120109369 De Jager, G (Gustave) 2 2.0 2 0 0 100.0 1245.4 425.0 1670.4 View list
3 1130112187 Le Roux, J (Johannes) 2 0.0 0 0 2 0.0 1245.4 -425.0 820.4 View list
4 2120105112 Bogaard, A (Anneke) 2 0.0 0 0 2 0.0 1245.4 -425.0 820.4 View list
5 1120117574 Stander, A (Andrew) 2 0.0 0 0 2 0.0 1245.4 -425.0 820.4 View list
6 2110106589 Friedrich, M (Miane) 1 1.0 1 0 0 100.0 1214.1 425.0 1639.1 View list
7 1090105697 Poustie, LM (Liam Marx) 1 1.0 1 0 0 100.0 1247.5 425.0 1672.5 View list
8 1090101484 Negota, K (Khodani) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 2090105660 Moll, N (Nieke) 1 1.0 1 0 0 100.0 1247.5 425.0 1672.5 View list
10 1000101482 Mlotshwa, N (Njabulo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
11 2120117083 Lombard, N (Nicole) 1 1.0 1 0 0 100.0 1214.1 425.0 1639.1 View list
12 1000101492 Van Zyl, S (Sharick) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
13 1090101501 Botha, T (Trevor Justus) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
14 1090105696 Barradas, K (Keanu) 1 1.0 1 0 0 100.0 1247.5 425.0 1672.5 View list
15 109084256 Hattingh, T (Tiaan) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
16 1120116373 Weitz, J (Johann) 1 0.0 0 0 1 0.0 1214.1 -425.0 789.1 View list
17 109083430 Swanepoel, D (Darius) 1 0.0 0 0 1 0.0 1247.5 -425.0 822.5 View list
18 109069454 Sathish, A (Abinavah) 1 0.0 0 0 1 0.0 1247.5 -425.0 822.5 View list
19 1110119616 Kruger, J (Jason) 1 0.0 0 0 1 0.0 1214.1 -425.0 789.1 View list
20 1110100045 Gondwe, P (Prosper) 1 0.0 0 0 1 0.0 1214.1 -425.0 789.1 View list