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: 2024/09/01 (36 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 rating1390.0
Current Weighted rating1374.6
Current Weighted performance1342.0
Current official/published rating (highest between Raw, WR and WP)1390.0
Current highest rating achieved1428.4
Current floor (min rating allowed)928.4
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)±126.5
Current Raw change used (final)0.0
Projected new Raw rating1390.0
Projected new Weighed rating1265.3
Projected new Weighted performance1342.0
Projected new final Raw rating (if new WP > new Raw)1390.0
Projected new highest rating1428.4
Projected new floor928.4
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1390.0
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 rating1389.4
Current Weighted rating1372.3
Current Weighted performance1342.0
Current official/published rating (highest between Raw, WR and WP)1389.4
Current highest rating achieved1433.5
Current floor (min rating allowed)933.5
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)±126.6
Current Raw change used (final)0.0
Projected new Raw rating1389.4
Projected new Weighed rating1263.3
Projected new Weighted performance1342.0
Projected new final Raw rating (if new WP > new Raw)1389.4
Projected new highest rating1433.5
Projected new floor933.5
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1389.4
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 rating917.8
Current Weighted rating917.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)917.8
Current highest rating achieved917.8
Current floor (min rating allowed)500.0
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 rating844.4
Projected new Weighted performance565.9
Projected new final Raw rating (if new WP > new Raw)917.8
Projected new highest rating917.8
Projected new floor500.0
Projected new K-facor40
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
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 rating675.9
Current Weighted rating655.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)675.9
Current highest rating achieved675.9
Current floor (min rating allowed)500.0
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 rating603.8
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating675.9
Projected new floor500.0
Projected new K-facor40
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
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
6 2024 Etienne Lewis (U16) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 3.5 1389.7 1390.0 Analysis
5 2024 Elise Steenkamp Open Chess Tournament (Queens) 2024/06/15 2024/06/17 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1387.8 1389.0 Analysis
4 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (D) 2024/06/01 2024/06/01 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1387.8 1389.0 Analysis
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
56 2024 Etienne Lewis (U16) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 3.5 1389.7 1390.0 Analysis
55 2024 Elise Steenkamp Open Chess Tournament (Queens) 2024/06/15 2024/06/17 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1387.8 1389.0 Analysis
54 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (D) 2024/06/01 2024/06/01 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1387.8 1389.0 Analysis
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
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 34 20 2 12 21.0 61.8 100.0 1300.4 1400.4
White 16 8 1 7 8.5 53.1 26.6 1278.2 1304.7
Black 18 12 1 5 12.5 69.4 165.3 1320.1 1485.4
Standard All 34 20 2 12 21.0 61.8 100.0 1300.4 1400.4
White 16 8 1 7 8.5 53.1 26.6 1278.2 1304.7
Black 18 12 1 5 12.5 69.4 165.3 1320.1 1485.4
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 286 147 15 124 154.5 54.0 34.2 1130.8 1165.0
White 139 72 5 62 74.5 53.6 30.6 1124.4 1155.0
Black 147 75 10 62 80.0 54.4 37.6 1136.9 1174.5
Standard All 274 139 15 120 146.5 53.5 29.5 1125.3 1154.8
White 134 67 5 62 69.5 51.9 15.9 1120.0 1135.9
Black 140 72 10 58 77.0 55.0 42.5 1130.4 1172.9
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 1090134032 De Roos, H (Hubert) 2 2.0 2 0 0 100.0 1388.8 425.0 1813.8 View list
10 1110108346 Mcphail, M (Matthew) 2 2.0 2 0 0 100.0 1290.0 425.0 1715.0 View list
11 1090108333 Rambritch, A (Abhay) 2 2.0 2 0 0 100.0 1082.8 425.0 1507.8 View list
12 1120107185 Steyn, H (Henco) 2 2.0 2 0 0 100.0 1173.8 425.0 1598.8 View list
13 208059167 Oosthuizen, L (Luelsje) 2 1.5 1 1 0 75.0 981.1 212.5 1193.6 View list
14 208086374 Smith, KJ (Kayle) 2 1.5 1 1 0 75.0 995.0 212.5 1207.5 View list
15 110092271 Bennie, J (Johannes) 2 1.0 1 0 1 50.0 943.4 0.0 943.4 View list
16 1100096766 Du Preez, J (Julian) 2 1.0 1 0 1 50.0 1369.3 0.0 1369.3 View list
17 205086770 Dvir, J (Jordan) 2 1.0 1 0 1 50.0 895.8 0.0 895.8 View list
18 1110097689 Froom, J (Jacob) 2 1.0 1 0 1 50.0 1321.2 0.0 1321.2 View list
19 1090109066 Jooste, J (Josh) 2 1.0 1 0 1 50.0 1347.6 0.0 1347.6 View list
20 110088036 Liebenberg, M (Michael) 2 1.0 1 0 1 50.0 759.0 0.0 759.0 View list