Player Page

Van Rooyen, D (Dandre)
Dob: 2012/01/03 (U14)
Gender: Male
Chess SA id: 1120148312
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/12/08 (2 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 rating1366.4
Current Weighted rating1261.9
Current Weighted performance1357.3
Current official/published rating (highest between Raw, WR and WP)1366.4
Current highest rating achieved1379.1
Current floor (min rating allowed)879.1
Current K-factor36
Games played this month5
Score (S)4.0
Expected score (We)2.74
Difference (S-We)1.18
Current Raw change (no limits, including tournament time weight)42.6
Current min/max change allowed (with limits)±130.8
Current Raw change used (final)42.6
Projected new Raw rating1409.0
Projected new Weighed rating1163.8
Projected new Weighted performance1437.8
Projected new final Raw rating (if new WP > new Raw)1437.8
Projected new highest rating1437.8
Projected new floor937.8
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1437.8
Projected effective change (new Official - current Official)+71.4
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 rating1364.9
Current Weighted rating1259.9
Current Weighted performance1357.3
Current official/published rating (highest between Raw, WR and WP)1364.9
Current highest rating achieved1377.8
Current floor (min rating allowed)877.8
Current K-factor36
Games played this month5
Score (S)4.0
Expected score (We)2.76
Difference (S-We)1.24
Current Raw change (no limits, including tournament time weight)44.6
Current min/max change allowed (with limits)±131.1
Current Raw change used (final)44.6
Projected new Raw rating1409.5
Projected new Weighed rating1162.2
Projected new Weighted performance1437.8
Projected new final Raw rating (if new WP > new Raw)1437.8
Projected new highest rating1437.8
Projected new floor937.8
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1437.8
Projected effective change (new Official - current Official)+72.9
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
Tournament: Gauteng Inter-Region at UJ 2024 (U14 Candidates)
Start: 2024/12/07  End: 2024/12/08  Host: GJM  Type: Standard   Time: 90  Time weight: 0.94  Rounds: 5
Games: 5  Score: 4.0
Main rating: 1366.4  Rating gain/loss: 42.6
Type rating: 1364.9  Rating gain/loss: 44.6
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
16 Gauteng Inter-Region at UJ 2024 (U14 Candidates) 2024/12/07 2024/12/08 Johannesburg Metro (GJM) Standard 90 0.94 5 5 4.0 1366.4 1364.9 Analysis
15 Lardies Ope 2024 (B) 2024/10/26 2024/10/26 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1354.4 1352.3 Analysis
14 2024 Etienne Lewis (U14) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 3.0 1379.1 1377.8 Analysis
13 2024 Jacaranda Round Robin Open Chess Tournament (I) 2024/08/17 2024/08/17 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1261.5 1263.5 Analysis
12 Menlopark Open Chess Tournament 2024 (B) 2024/07/13 2024/07/13 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1262.1 1265.3 Analysis
11 2024 Elise Steenkamp Open Chess Tournament (Queens) 2024/06/15 2024/06/17 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1256.7 1260.6 Analysis
10 2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1233.7 1234.0 Analysis
9 2024 Milos Ristic Open Chess Tournament (B) 2024/04/27 2024/04/27 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1210.4 1203.8 Analysis
8 2024 Silver Lakes Open Chess Tournament (D3) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1210.4 1203.8 Analysis
7 2024 Lubowski Open Chess Tournament (D1) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 5 1.0 1256.9 1252.8 Analysis
6 2024 Chris Greyling Open Chess Tournament (D2) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1256.9 1252.8 Analysis
5 2024 Wynie Robbertse Chess Tournament (D1) 2024/03/02 2024/03/02 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1256.9 1252.8 Analysis
4 2024 Constantiapark Open (D1) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1293.3 1296.3 Analysis
3 2024 Piet Robbertse Open Chess Tournament (D1) 2024/02/03 2024/02/04 Tshwane (GTP) Standard 90 0.94 5 5 2.5 1293.3 1296.3 Analysis
2 2024 Tshwane Chess OPEN Registration Tournament (D2) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1166.2 1161.3 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U12C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 5.0 1166.2 1161.3 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
31 Gauteng Inter-Region at UJ 2024 (U14 Candidates) 2024/12/07 2024/12/08 Johannesburg Metro (GJM) Standard 90 0.94 5 5 4.0 1366.4 1364.9 Analysis
30 Lardies Ope 2024 (B) 2024/10/26 2024/10/26 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1354.4 1352.3 Analysis
29 2024 Etienne Lewis (U14) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 3.0 1379.1 1377.8 Analysis
28 2024 Jacaranda Round Robin Open Chess Tournament (I) 2024/08/17 2024/08/17 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1261.5 1263.5 Analysis
27 Menlopark Open Chess Tournament 2024 (B) 2024/07/13 2024/07/13 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1262.1 1265.3 Analysis
26 2024 Elise Steenkamp Open Chess Tournament (Queens) 2024/06/15 2024/06/17 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1256.7 1260.6 Analysis
25 2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1233.7 1234.0 Analysis
24 2024 Milos Ristic Open Chess Tournament (B) 2024/04/27 2024/04/27 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1210.4 1203.8 Analysis
23 2024 Silver Lakes Open Chess Tournament (D3) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1210.4 1203.8 Analysis
22 2024 Lubowski Open Chess Tournament (D1) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 5 1.0 1256.9 1252.8 Analysis
21 2024 Chris Greyling Open Chess Tournament (D2) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1256.9 1252.8 Analysis
20 2024 Wynie Robbertse Chess Tournament (D1) 2024/03/02 2024/03/02 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1256.9 1252.8 Analysis
19 2024 Constantiapark Open (D1) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1293.3 1296.3 Analysis
18 2024 Piet Robbertse Open Chess Tournament (D1) 2024/02/03 2024/02/04 Tshwane (GTP) Standard 90 0.94 5 5 2.5 1293.3 1296.3 Analysis
17 2024 Tshwane Chess OPEN Registration Tournament (D2) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1166.2 1161.3 Analysis
16 2024 Gauteng Inter-Region Chess Championship (U12C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 5.0 1166.2 1161.3 Analysis
15 2023 Gauteng Noord (D) 2023/10/14 2023/10/15 Tshwane (GTP) Standard 90 0.94 5 5 1.0 1208.2 1206.7 Analysis
14 2023 Centurion Chess Open (D) 2023/09/23 2023/09/23 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1225.5 1227.9 Analysis
13 2023 Etienne Lewis Closed Tournament (U12) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 2.0 1163.3 1153.7 Analysis
12 2023 Jacaranda Round Robin (K) 2023/08/12 2023/08/12 Tshwane (GTP) Standard 60 0.83 7 6 5.0 1163.3 1153.7 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 84 47 2 35 48.0 57.1 60.7 1267.0 1327.7
White 43 24 1 18 24.5 57.0 59.3 1254.7 1314.0
Black 41 23 1 17 23.5 57.3 62.2 1279.9 1342.1
Standard All 84 47 2 35 48.0 57.1 60.7 1267.0 1327.7
White 43 24 1 18 24.5 57.0 59.3 1254.7 1314.0
Black 41 23 1 17 23.5 57.3 62.2 1279.9 1342.1
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 162 79 4 79 81.0 50.0 0.0 1243.8 1243.8
White 82 42 3 37 43.5 53.0 25.9 1237.5 1263.4
Black 80 37 1 42 37.5 46.9 -26.6 1250.3 1223.7
Standard All 162 79 4 79 81.0 50.0 0.0 1243.8 1243.8
White 82 42 3 37 43.5 53.0 25.9 1237.5 1263.4
Black 80 37 1 42 37.5 46.9 -26.6 1250.3 1223.7
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 2120105112 Bogaard, A (Anneke) 4 3.5 3 1 0 87.5 1275.8 318.8 1594.6 View list
2 1130143045 Ebersohn, G (Gerhard) 4 0.0 0 0 4 0.0 1223.6 -425.0 798.6 View list
3 1120133904 Fokker, CD (Christiaan Dirk) 3 1.0 1 0 2 33.3 1191.3 -141.7 1049.6 View list
4 2130148666 Westermann, L (Liezl) 3 1.0 1 0 2 33.3 1169.5 -141.7 1027.9 View list
5 1120109368 Coetzee, M (Mauritz) 2 2.0 2 0 0 100.0 1264.8 425.0 1689.8 View list
6 1120143038 Boshoff, R (Reinhardt) 2 1.0 1 0 1 50.0 1154.3 0.0 1154.3 View list
7 1120153447 Human, Z (Zachariah) 2 1.0 1 0 1 50.0 1360.4 0.0 1360.4 View list
8 1110155590 Madiba, K (Kutlwano) 2 1.0 1 0 1 50.0 1215.6 0.0 1215.6 View list
9 1100148660 Mmakou, L (Lesedi) 2 1.0 1 0 1 50.0 1215.6 0.0 1215.6 View list
10 1090143164 Mothokwa, K (Keabetswe) 2 1.0 1 0 1 50.0 1175.6 0.0 1175.6 View list
11 1120135739 Pretorius, P (Pieter) 2 1.0 1 0 1 50.0 1150.2 0.0 1150.2 View list
12 1130138297 Scheepers, T (Tristian) 2 1.0 1 0 1 50.0 1138.6 0.0 1138.6 View list
13 2140149175 Boshoff, M (Milah) 2 0.0 0 0 2 0.0 1216.8 -425.0 791.8 View list
14 2120134213 Jansen, A (Alexia) 2 0.0 0 0 2 0.0 1271.2 -425.0 846.2 View list
15 1110149163 Van Der Merwe, L (Louis) 2 0.0 0 0 2 0.0 1336.2 -425.0 911.2 View list
16 2120112515 Du Rand, L (Lea) 1 1.0 1 0 1 100.0 1261.5 425.0 1686.5 View list
17 1500154190 Badenhorst, M (Michael) 1 1.0 1 0 0 100.0 1262.1 425.0 1687.1 View list
18 2140134240 Du Plessis, M (Mia) 1 1.0 1 0 0 100.0 1354.4 425.0 1779.4 View list
19 2150147100 Dixon, G (Genevieve) 1 1.0 1 0 0 100.0 1256.9 425.0 1681.9 View list
20 2110148658 De Jager, A (Anneke) 1 1.0 1 0 0 100.0 1174.3 425.0 1599.3 View list