Player Page

Van Rooyen, D (Dion)
Dob: 2011/07/13 (U14)
Gender: Male
Chess SA id: 1110139824
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2024/01/14 (140 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 rating1298.9
Curent Weighted rating1284.3
Curent Weighted performance1184.4
Current official/published rating (highest between Raw, WR and WP)1298.9
Current floor (min rating allowed)810.0
Current highest rating achieved1310.0
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)±144.0
Current Raw change used (final)0.0
Projected new Raw rating1298.9
Projected new Weighed rating1285.5
Projected new Weighted performance1184.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1298.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1310.0
Projected new floor810.0
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 rating1289.2
Curent Weighted rating1273.0
Curent Weighted performance1181.6
Current official/published rating (highest between Raw, WR and WP)1289.2
Current floor (min rating allowed)800.4
Current highest rating achieved1300.4
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)±146.0
Current Raw change used (final)0.0
Projected new Raw rating1289.2
Projected new Weighed rating1274.2
Projected new Weighted performance1181.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1289.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1300.4
Projected new floor800.4
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 rating1280.0
Curent Weighted rating1278.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1280.0
Current floor (min rating allowed)780.0
Current highest rating achieved1280.0
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)±148.0
Current Raw change used (final)0.0
Projected new Raw rating1280.0
Projected new Weighed rating1279.2
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1280.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1280.0
Projected new floor780.0
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)780.0
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 floor780.0
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 2024 Gauteng Inter-Region Chess Championship (U14A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1261.0 1248.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
9 2024 Gauteng Inter-Region Chess Championship (U14A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1261.0 1248.2 Analysis
8 2023 Gauteng Top Schools (U13 Mixed) 2023/08/18 2023/08/18 West Rand (GWR) Standard 60 0.83 5 5 3.0 1251.4 1233.4 Analysis
7 2023 Ekurhuleni North District Schools Finals (U13) 2023/07/29 2023/07/29 Ekurhuleni (GE) Standard 60 0.83 5 5 1.0 1307.9 1300.4 Analysis
6 Ekurhuleni Chess Trial 3 2023 (U14) 2023/06/17 2023/06/17 Ekurhuleni (GE) Standard 60 0.83 5 5 3.5 1289.4 1272.7 Analysis
5 Ekhuruleni Chess Trials 1 2023 (U14) 2023/03/25 2023/03/25 Ekurhuleni (GE) Standard 60 0.83 5 5 2.5 1310.0 1300.1 Analysis
4 Super 8 Skaak 2022 (Seniors) 2022/10/14 2022/10/14 Bojanala Platina (NBR) Rapid 30 0.60 7 6 5.0 1285.8 1200.0 Analysis
3 Ekurhuleni-North Schools Teams 2022 (U11) 2022/08/06 2022/08/06 Ekurhuleni (GE) Standard 60 0.83 5 5 5.0 1203.0 1204.0 Analysis
2 Ekurhuleni-North Schools Finals Indiv 2022 (U11 Boys) 2022/05/13 2022/05/13 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1178.1 1174.0 Analysis
1 ACB Premier 2022 (Primary School) 2022/03/19 2022/03/19 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 3 0 2 3.0 60.0 85.0 1375.2 1460.2
White 3 2 0 1 2.0 66.7 141.7 1383.2 1524.8
Black 2 1 0 1 1.0 50.0 0.0 1363.3 1363.3
Standard All 5 3 0 2 3.0 60.0 85.0 1375.2 1460.2
White 3 2 0 1 2.0 66.7 141.7 1383.2 1524.8
Black 2 1 0 1 1.0 50.0 0.0 1363.3 1363.3
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 46 26 4 16 28.0 60.9 92.4 1228.6 1321.0
White 25 15 3 7 16.5 66.0 136.0 1236.9 1372.9
Black 21 11 1 9 11.5 54.8 40.5 1218.8 1259.3
Standard All 40 21 4 15 23.0 57.5 63.7 1238.8 1302.6
White 22 12 3 7 13.5 61.4 96.6 1244.9 1341.5
Black 18 9 1 8 9.5 52.8 23.6 1231.4 1255.0
Rapid All 6 5 0 1 5.0 83.3 283.3 1160.6 1443.9
White 3 3 0 0 3.0 100.0 425.0 1178.1 1603.1
Black 3 2 0 1 2.0 66.7 141.7 1143.1 1284.8
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 110088036 Liebenberg, M (Michael) 2 1.0 1 0 1 50.0 1254.0 0.0 1254.0 View list
2 1110142674 Choma, L (Lesego) 1 1.0 1 0 0 100.0 1178.1 425.0 1603.1 View list
3 1110142672 Bouwer, J (Jayden) 1 1.0 1 0 0 100.0 1178.1 425.0 1603.1 View list
4 2110130015 Botha, C (Cathri Amari) 1 1.0 1 0 0 100.0 1203.0 425.0 1628.0 View list
5 1120116463 Bosman, J (Johan) 1 1.0 1 0 0 100.0 1203.0 425.0 1628.0 View list
6 2100101007 Bassie, U (Unathi) 1 1.0 1 0 0 100.0 1261.0 425.0 1686.0 View list
7 1110138291 De Klerk, W (Wihan) 1 1.0 1 0 0 100.0 1310.0 425.0 1735.0 View list
8 1120144399 Jordaan, L (Liam) 1 1.0 1 0 0 100.0 1203.0 425.0 1628.0 View list
9 1090131411 Horne, T (Tiaan) 1 1.0 1 0 0 100.0 1285.8 425.0 1710.8 View list
10 1100112727 Froneman, BW (Bernard Wilhelm) 1 1.0 1 0 0 100.0 1251.4 425.0 1676.4 View list
11 1120130065 Lovett, K (Kurgan) 1 1.0 1 0 0 100.0 1203.0 425.0 1628.0 View list
12 1100152996 Majola, N (Njabula) 1 1.0 1 0 0 100.0 1289.4 425.0 1714.4 View list
13 1120147118 Mans, M (Milan) 1 1.0 1 0 0 100.0 1285.8 425.0 1710.8 View list
14 110086792 Mogashoa, MR (Mahlonamela) 1 1.0 1 0 0 100.0 1261.0 425.0 1686.0 View list
15 1100160979 Mugurasen, T (Tristan) 1 1.0 1 0 0 100.0 1251.4 425.0 1676.4 View list
16 2110142718 Mzwakali, N (Nompumelelo) 1 1.0 1 0 0 100.0 1203.0 425.0 1628.0 View list
17 1110139524 Nene, S (Sisekelo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
18 1120141530 Nwosu, E (Ebube) 1 1.0 1 0 0 100.0 1310.0 425.0 1735.0 View list
19 1120111297 Obrien, P (Patrick) 1 1.0 1 0 0 100.0 1285.8 425.0 1710.8 View list
20 1100151855 Okelly, R (Ryan) 1 1.0 1 0 0 100.0 1261.0 425.0 1686.0 View list