Player Page

Van Rooyen, D (Duncan)
Dob: 2010/04/20 (U16)
Gender: Male
Chess SA id: 1100143979
FIDE id:
Region: Gert Sibande (MGS)
Citizen: RSA
Title(s):
Last active: 2024/04/19 (31 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 rating1255.4
Curent Weighted rating1267.5
Curent Weighted performance1096.7
Current official/published rating (highest between Raw, WR and WP)1267.5
Current floor (min rating allowed)775.9
Current highest rating achieved1275.9
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)±153.2
Current Raw change used (final)0.0
Projected new Raw rating1255.4
Projected new Weighed rating1267.2
Projected new Weighted performance1096.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1267.2
Projected effective change (new Official - current Official)-0.4
Projected new highest rating1275.9
Projected new floor775.9
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 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)700.0
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 floor700.0
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 rating1259.0
Curent Weighted rating1296.1
Curent Weighted performance1144.6
Current official/published rating (highest between Raw, WR and WP)1296.1
Current floor (min rating allowed)802.2
Current highest rating achieved1302.2
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)±152.4
Current Raw change used (final)0.0
Projected new Raw rating1259.0
Projected new Weighed rating1293.6
Projected new Weighted performance1144.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1293.6
Projected effective change (new Official - current Official)-2.4
Projected new highest rating1302.2
Projected new floor802.2
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)802.2
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 floor802.2
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 NWU Super 16 2024 2024/04/19 2024/04/19 Gert Sibande (MGS) Rapid 30 0.60 6 5 2.0 1275.9 1302.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 NWU Super 16 2024 2024/04/19 2024/04/19 Gert Sibande (MGS) Rapid 30 0.60 6 5 2.0 1275.9 1302.2 Analysis
6 Govin Mbeki Teams Chess Tournament 2023 (U13 Open) 2023/08/18 2023/08/18 Gert Sibande (MGS) Rapid 30 0.60 5 5 3.0 1262.5 1297.9 Analysis
5 Highveld Ridge West 2023 (U13) 2023/08/09 2023/08/09 Gert Sibande (MGS) Rapid 30 0.60 5 4 3.0 1262.5 1297.9 Analysis
4 Hoëveldgroep 2023 (O13) 2023/07/28 2023/07/28 Gert Sibande (MGS) Rapid 30 0.60 5 5 3.0 1257.7 1297.2 Analysis
3 Gert Sibande Finaal 2022 (O13B-Spanne) 2022/08/19 2022/08/19 Gert Sibande (MGS) Rapid 30 0.60 5 5 4.5 1200.0 1200.0 Analysis
2 Govan Mbeki Uitspele 2022 (O13B-Spanne) 2022/08/12 2022/08/12 Gert Sibande (MGS) Rapid 30 0.60 5 5 3.0 1200.0 1200.0 Analysis
1 Hoeveldgroep 2022 (O13B) 2022/07/29 2022/07/29 Gert Sibande (MGS) Rapid 30 0.60 5 4 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 2 0 3 2.0 40.0 -85.0 1192.7 1107.7
White 2 1 0 1 1.0 50.0 0.0 1200.0 1200.0
Black 3 1 0 2 1.0 33.3 -141.7 1187.8 1046.1
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 5 2 0 3 2.0 40.0 -85.0 1192.7 1107.7
White 2 1 0 1 1.0 50.0 0.0 1200.0 1200.0
Black 3 1 0 2 1.0 33.3 -141.7 1187.8 1046.1
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 33 19 3 11 20.5 62.1 103.0 1194.6 1297.6
White 14 7 2 5 8.0 57.1 60.7 1189.2 1250.0
Black 19 12 1 6 12.5 65.8 134.2 1198.6 1332.8
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 33 19 3 11 20.5 62.1 103.0 1194.6 1297.6
White 14 7 2 5 8.0 57.1 60.7 1189.2 1250.0
Black 19 12 1 6 12.5 65.8 134.2 1198.6 1332.8
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 1100158765 Leskiewkz, K (Kaiden) 3 1.0 1 0 2 33.3 1260.9 -141.7 1119.2 View list
2 1090143947 De Kock, A (Alexander) 3 1.0 1 0 2 33.3 1200.0 -141.7 1058.3 View list
3 211087266 Erasmus, C (Carli) 2 2.0 2 0 0 100.0 1262.5 425.0 1687.5 View list
4 1100143940 Webb, L (Logan) 2 1.5 1 1 0 75.0 1200.0 212.5 1412.5 View list
5 1100143968 Polenakis, N (Nicholas) 2 0.5 0 1 1 25.0 1200.0 -212.5 987.5 View list
6 1100158768 Reddi, K (Kelvin) 1 1.0 1 0 0 100.0 1262.5 425.0 1687.5 View list
7 1110144812 Crowley, K (Kyle) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 1110158762 Carroll, S (Shaun) 1 1.0 1 0 0 100.0 1262.5 425.0 1687.5 View list
9 1110143941 Boloko, M (Mpake) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 1070302213 Berry, S (Sarel) 1 1.0 1 0 0 100.0 1275.9 425.0 1700.9 View list
11 1050140954 Mokgoja, K (Katlego) 1 1.0 1 0 0 100.0 1275.9 425.0 1700.9 View list
12 2100143872 Masango, U (Unathi) 1 1.0 1 0 0 100.0 1257.7 425.0 1682.7 View list
13 2090144814 Kgengwe, P (Phimi) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
14 1110145098 Ngwenya, S (Siyabonga) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
15 2110145102 Smith, A (Amelia) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
16 2100159404 Mthimkulu, A (Angel) 1 1.0 1 0 0 100.0 1262.5 425.0 1687.5 View list
17 1100145094 Msibi, N (Nhlakanipho) 1 1.0 1 0 0 100.0 1262.5 425.0 1687.5 View list
18 1110143978 Van Deventer, D (Dirk) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
19 1110143916 Viljoen, P (Pieter) 1 1.0 1 0 0 100.0 1257.7 425.0 1682.7 View list
20 1130145096 Nel, A (Awian) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list