Player Page

Van Rooyen, M (Marcel)
Dob: 2010/08/17 (U16)
Gender: Male
Chess SA id: 110092783
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/04/21 (26 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 rating1387.8
Curent Weighted rating1365.0
Curent Weighted performance1361.7
Current official/published rating (highest between Raw, WR and WP)1387.8
Current floor (min rating allowed)928.4
Current highest rating achieved1428.4
Current K-factor32
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)±126.9
Current Raw change used (final)0.0
Projected new Raw rating1387.8
Projected new Weighed rating1367.3
Projected new Weighted performance1361.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1387.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1428.4
Projected new floor928.4
Projected new K-facor32
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 rating1389.0
Curent Weighted rating1360.6
Curent Weighted performance1361.6
Current official/published rating (highest between Raw, WR and WP)1389.0
Current floor (min rating allowed)933.5
Current highest rating achieved1433.5
Current K-factor32
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)±126.7
Current Raw change used (final)0.0
Projected new Raw rating1389.0
Projected new Weighed rating1363.5
Projected new Weighted performance1361.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1389.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1433.5
Projected new floor933.5
Projected new K-facor32
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 rating917.8
Curent Weighted rating917.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)917.8
Current floor (min rating allowed)500.0
Current highest rating achieved917.8
Current K-factor40
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)±247.9
Current Raw change used (final)0.0
Projected new Raw rating917.8
Projected new Weighed rating917.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)917.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating917.8
Projected new floor500.0
Projected new K-facor40
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 rating675.9
Curent Weighted rating638.3
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)675.9
Current floor (min rating allowed)500.0
Current highest rating achieved675.9
Current K-factor40
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)±349.9
Current Raw change used (final)0.0
Projected new Raw rating675.9
Projected new Weighed rating642.1
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)675.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating675.9
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 2024 Silver Lakes Open Chess Tournament (D1) 2024/04/21 2024/04/21 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1392.6 1392.5 Analysis
2 2024 Tshwane Chess AHS Open Chess Tournament (C1) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1388.4 1388.7 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U14B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.5 1372.2 1372.7 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
53 2024 Silver Lakes Open Chess Tournament (D1) 2024/04/21 2024/04/21 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1392.6 1392.5 Analysis
52 2024 Tshwane Chess AHS Open Chess Tournament (C1) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1388.4 1388.7 Analysis
51 2024 Gauteng Inter-Region Chess Championship (U14B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.5 1372.2 1372.7 Analysis
50 2023 Tuks Open Chess Tournament (C) 2023/10/07 2023/10/07 Tshwane (GTP) Standard 60 0.83 5 0 0.0 1372.2 1372.7 Analysis
49 2023 Etienne Lewis Closed Tournament (U14) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1278.0 1255.6 Analysis
48 2023 Gauteng Top Schools (U13 Mixed) 2023/08/18 2023/08/18 West Rand (GWR) Standard 60 0.83 5 5 5.0 1278.0 1255.6 Analysis
47 2023 Lubowski Open Tournament (B) 2023/06/24 2023/06/25 Tshwane (GTP) Standard 90 0.94 5 5 1.5 1305.4 1283.4 Analysis
46 2023 Gauteng North School District CLOSED Individual Championships (U13 Boys) 2023/05/13 2023/05/13 Tshwane (GTP) Standard 60 0.83 5 0 0.0 1305.4 1283.4 Analysis
45 2023 Milos Ristic Open Tournament (BC) 2023/04/27 2023/04/27 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1368.6 1359.6 Analysis
44 2023 Tshwane Chess Open Registration Tournament (B2) 2023/01/28 2023/01/28 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1396.5 1396.1 Analysis
43 2022 Etienne Lewis (U14 Open) 2022/09/02 2022/09/04 Tshwane (GTP) Standard 90 0.94 7 7 3.5 1428.4 1433.5 Analysis
42 2022 Gauteng Schools Team Championships (U13 Open) 2022/08/27 2022/08/27 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1270.3 1246.0 Analysis
41 2022 Gauteng North Schools District League Finals (U13) 2022/08/20 2022/08/20 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1270.3 1246.0 Analysis
40 2022 Blou Bul Open (C) 2022/06/25 2022/06/26 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1187.1 1173.0 Analysis
39 2022 Gauteng Schools Individual Chess Championship (U13 Boys) 2022/06/18 2022/06/18 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1187.1 1173.0 Analysis
38 Gauteng North District Individual Chess Finals 2022 (U13 Open) 2022/06/11 2022/06/11 Tshwane (GTP) Rapid 30 0.60 7 7 5.0 1187.1 719.0 Analysis
37 2022 Milos Ristic Open Chess Tournament (C) 2022/05/28 2022/05/28 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1160.5 1135.9 Analysis
36 2022 Lubowski Open Tournament (C) 2022/04/09 2022/04/10 Tshwane (GTP) Standard 90 0.94 5 5 1.5 1196.4 1170.8 Analysis
35 2022 Gauteng Interregion (U12 Open) 2022/02/26 2022/02/26 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1209.2 1180.9 Analysis
34 2022 Tshwane Chess Open Registration Tournament (C2) 2022/01/29 2022/01/29 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1192.2 1151.7 Analysis
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 15 9 1 5 9.5 63.3 113.3 1292.6 1405.9
White 6 2 1 3 2.5 41.7 -70.8 1225.4 1154.6
Black 9 7 0 2 7.0 77.8 236.1 1337.3 1573.5
Standard All 15 9 1 5 9.5 63.3 113.3 1292.6 1405.9
White 6 2 1 3 2.5 41.7 -70.8 1225.4 1154.6
Black 9 7 0 2 7.0 77.8 236.1 1337.3 1573.5
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 267 136 14 117 143.0 53.6 30.2 1118.3 1148.6
White 129 66 5 58 68.5 53.1 26.4 1110.0 1136.4
Black 138 70 9 59 74.5 54.0 33.9 1126.1 1160.0
Standard All 255 128 14 113 135.0 52.9 25.0 1111.8 1136.8
White 124 61 5 58 63.5 51.2 10.3 1104.7 1115.0
Black 131 67 9 55 71.5 54.6 38.9 1118.5 1157.5
Rapid All 12 8 0 4 8.0 66.7 141.7 1256.3 1398.0
White 5 5 0 0 5.0 100.0 425.0 1241.1 1666.1
Black 7 3 0 4 3.0 42.9 -60.7 1267.2 1206.5
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 1100098511 Dreyer, TF (Thomas) 4 3.0 3 0 1 75.0 1080.9 212.5 1293.4 View list
2 110095324 Venter, D (Dian) 4 2.0 2 0 2 50.0 1116.4 0.0 1116.4 View list
3 1080108331 Ferreira, L (Louis) 3 2.0 2 0 1 66.7 1189.2 141.7 1330.9 View list
4 109076152 Friedrich, R (Ruhan) 3 2.0 2 0 1 66.7 933.8 141.7 1075.5 View list
5 2090109345 Viljoen, A (Amber) 3 2.0 2 0 1 66.7 1223.0 141.7 1364.7 View list
6 110089428 Anderson, AP (Aidan) 3 1.0 1 0 2 33.3 1019.8 -141.7 878.1 View list
7 1100097226 Marais, JS (Jacobus) 3 1.0 1 0 2 33.3 1389.0 -141.7 1247.4 View list
8 103089889 Crossley-Forest, K (Kyle) 2 2.0 2 0 0 100.0 994.5 425.0 1419.5 View list
9 1090108333 Rambritch, A (Abhay) 2 2.0 2 0 0 100.0 1082.8 425.0 1507.8 View list
10 1120107185 Steyn, H (Henco) 2 2.0 2 0 0 100.0 1173.8 425.0 1598.8 View list
11 208059167 Oosthuizen, L (Luelsje) 2 1.5 1 1 0 75.0 981.1 212.5 1193.6 View list
12 208086374 Smith, KJ (Kayle) 2 1.5 1 1 0 75.0 995.0 212.5 1207.5 View list
13 110092271 Bennie, J (Johannes) 2 1.0 1 0 1 50.0 943.4 0.0 943.4 View list
14 1100096766 Du Preez, J (Julian) 2 1.0 1 0 1 50.0 1369.3 0.0 1369.3 View list
15 205086770 Dvir, J (Jordan) 2 1.0 1 0 1 50.0 895.8 0.0 895.8 View list
16 1110097689 Froom, J (Jacob) 2 1.0 1 0 1 50.0 1321.2 0.0 1321.2 View list
17 110088036 Liebenberg, M (Michael) 2 1.0 1 0 1 50.0 759.0 0.0 759.0 View list
18 110092655 Sutherland, R (Reuben) 2 1.0 1 0 1 50.0 1181.8 0.0 1181.8 View list
19 110095325 Lourens, J (Jurgen) 2 0.5 0 1 1 25.0 1227.0 -212.5 1014.5 View list
20 109088591 Van Dyk, SJ (Sarel Johannes) 2 0.5 0 1 1 25.0 973.7 -212.5 761.2 View list