Player Page

Van Rooyen, Z (Zani)
Dob: 2012/12/28 (U14)
Gender: Female
Chess SA id: 2120139825
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (22 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 rating1305.2
Curent Weighted rating1277.7
Curent Weighted performance1237.9
Current official/published rating (highest between Raw, WR and WP)1305.2
Current floor (min rating allowed)805.2
Current highest rating achieved1305.2
Current K-factor36
Games played this month5
Score (S)4.0
Expected score (We)2.75
Difference (S-We)1.25
Current Raw change (no limits, including tournament time weight)37.4
Current min/max change allowed (with limits)±142.7
Current Raw change used (final)37.4
Projected new Raw rating1342.5
Projected new Weighed rating1282.6
Projected new Weighted performance1237.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1342.5
Projected effective change (new Official - current Official)+37.3
Projected new highest rating1342.5
Projected new floor842.5
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 rating1238.5
Curent Weighted rating1251.8
Curent Weighted performance1031.5
Current official/published rating (highest between Raw, WR and WP)1251.8
Current floor (min rating allowed)789.6
Current highest rating achieved1289.6
Current K-factor36
Games played this month5
Score (S)4.0
Expected score (We)2.35
Difference (S-We)1.65
Current Raw change (no limits, including tournament time weight)59.4
Current min/max change allowed (with limits)±157.0
Current Raw change used (final)59.4
Projected new Raw rating1297.9
Projected new Weighed rating1254.7
Projected new Weighted performance1031.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1297.9
Projected effective change (new Official - current Official)+46.1
Projected new highest rating1297.9
Projected new floor797.9
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 rating1328.4
Curent Weighted rating1281.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1328.4
Current floor (min rating allowed)828.4
Current highest rating achieved1328.4
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)±138.1
Current Raw change used (final)0.0
Projected new Raw rating1328.4
Projected new Weighed rating1285.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1328.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1328.4
Projected new floor828.4
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 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)828.4
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 floor828.4
Projected new K-facor36
Tournaments
Tournament: Ekurhuleni North Primary Schools District Individual Finals 2024 (U13 Girls)
Start: 2024/05/11  End: 2024/05/11  Host: GE  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 4.0
Main rating: 1305.2  Rating gain/loss: 37.4
Type rating: 1238.5  Rating gain/loss: 59.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Ekurhuleni North Primary Schools District Individual Finals 2024 (U13 Girls) 2024/05/11 2024/05/11 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1305.2 1238.5 Analysis
2 Benoni Primary School Cluster Individuals 2024 (U13 Girls) 2024/03/09 2024/03/09 Ekurhuleni (GE) Rapid 30 0.60 5 5 3.5 1279.5 1302.8 Analysis
1 Laerskool Northmead Proewe 2024 (U13) 2024/02/10 2024/02/10 Ekurhuleni (GE) Rapid 30 0.60 5 5 4.0 1251.9 1263.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
10 Ekurhuleni North Primary Schools District Individual Finals 2024 (U13 Girls) 2024/05/11 2024/05/11 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1305.2 1238.5 Analysis
9 Benoni Primary School Cluster Individuals 2024 (U13 Girls) 2024/03/09 2024/03/09 Ekurhuleni (GE) Rapid 30 0.60 5 5 3.5 1279.5 1302.8 Analysis
8 Laerskool Northmead Proewe 2024 (U13) 2024/02/10 2024/02/10 Ekurhuleni (GE) Rapid 30 0.60 5 5 4.0 1251.9 1263.2 Analysis
7 2023 Gauteng Top Schools (U13 Girls) 2023/08/18 2023/08/18 West Rand (GWR) Standard 60 0.83 5 5 2.5 1265.3 1253.6 Analysis
6 2023 Ekurhuleni North District Schools Finals (U11) 2023/07/29 2023/07/29 Ekurhuleni (GE) Standard 60 0.83 5 4 1.5 1291.0 1283.8 Analysis
5 Ekurhuleni North Schools Individual Finals 2023 (U11 Girls) 2023/05/12 2023/05/12 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1296.1 1289.6 Analysis
4 Ekurhuleni-North Schools Teams 2022 (U11 Reserves) 2022/08/06 2022/08/06 Ekurhuleni (GE) Standard 60 0.83 3 3 3.0 1261.1 1241.7 Analysis
3 RMS Swiss For Rating of Players 2022 (U11) 2022/05/28 2022/05/28 Ekurhuleni (GE) Rapid 30 0.60 7 4 3.5 1220.3 1200.0 Analysis
2 Ekurhuleni-North Schools Finals Indiv 2022 (U11 Girls) 2022/05/13 2022/05/13 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1220.3 1224.4 Analysis
1 ACB Premier 2022 (Primary School) 2022/03/19 2022/03/19 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 15 11 1 3 11.5 76.7 226.7 1268.8 1495.4
White 9 6 1 2 6.5 72.2 188.9 1281.4 1470.3
Black 6 5 0 1 5.0 83.3 283.3 1249.8 1533.1
Standard All 5 4 0 1 4.0 80.0 255.0 1267.6 1522.6
White 3 3 0 0 3.0 100.0 425.0 1240.6 1665.6
Black 2 1 0 1 1.0 50.0 0.0 1308.2 1308.2
Rapid All 10 7 1 2 7.5 75.0 212.5 1269.3 1481.8
White 6 3 1 2 3.5 58.3 70.8 1301.8 1372.7
Black 4 4 0 0 4.0 100.0 425.0 1220.6 1645.6
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 29 4 13 31.0 67.4 147.8 1215.9 1363.8
White 23 15 1 7 15.5 67.4 147.8 1230.0 1377.8
Black 23 14 3 6 15.5 67.4 147.8 1201.9 1349.7
Standard All 32 19 2 11 20.0 62.5 106.3 1209.7 1315.9
White 16 11 0 5 11.0 68.8 159.4 1204.9 1364.3
Black 16 8 2 6 9.0 56.3 53.1 1214.4 1267.5
Rapid All 14 10 2 2 11.0 78.6 242.9 1230.3 1473.2
White 7 4 1 2 4.5 64.3 121.4 1287.3 1408.7
Black 7 6 1 0 6.5 92.9 364.3 1173.3 1537.6
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 2120155051 Padi, K (Karabo) 3 1.0 1 0 2 33.3 1297.4 -141.7 1155.8 View list
2 2120142703 Daubert, M (Michelle) 2 1.0 1 0 1 50.0 1287.8 0.0 1287.8 View list
3 2110111566 Hingorani, R (Ridhima) 2 0.5 0 1 1 25.0 1292.3 -212.5 1079.8 View list
4 2120135385 Van Der Schyff, C (Charlize) 2 0.0 0 0 2 0.0 1210.2 -425.0 785.2 View list
5 2110142699 Bhengu, M (Matshokwe) 1 1.0 1 0 0 100.0 1220.3 425.0 1645.3 View list
6 1110192045 Cronje, A (Alexander) 1 1.0 1 0 0 100.0 1251.9 425.0 1676.9 View list
7 1110101048 De Bruyn, R (Rico) 1 1.0 1 0 0 100.0 1261.1 425.0 1686.1 View list
8 2110301313 De Ascenio, I (Isabela) 1 1.0 1 0 0 100.0 1279.5 425.0 1704.5 View list
9 1110141526 Makgwana, S (Segfofalang (Kafiwa)) 1 1.0 1 0 0 100.0 1220.3 425.0 1645.3 View list
10 2120155034 Maitse, R (Relebogile Reitumetse) 1 1.0 1 0 0 100.0 1296.1 425.0 1721.1 View list
11 2120142706 Mabobo, M (Miracle) 1 1.0 1 0 0 100.0 1220.3 425.0 1645.3 View list
12 1110192054 Lowings, M (Michael) 1 1.0 1 0 0 100.0 1251.9 425.0 1676.9 View list
13 2110155586 Lourens, A (Ashley) 1 1.0 1 0 0 100.0 1251.9 425.0 1676.9 View list
14 1110141523 Komani, L (Lj) 1 1.0 1 0 0 100.0 1220.3 425.0 1645.3 View list
15 1120099319 Janse Van Rensburg, J (Jean-Jaques) 1 1.0 1 0 0 100.0 1220.3 425.0 1645.3 View list
16 2100156157 Gule, S (Siphesihle) 1 1.0 1 0 0 100.0 1265.3 425.0 1690.3 View list
17 2120144430 Greeff, S (Simone) 1 1.0 1 0 0 100.0 1261.1 425.0 1686.1 View list
18 2100160878 Fox, K (Keira) 1 1.0 1 0 0 100.0 1265.3 425.0 1690.3 View list
19 2120139800 Mathebula, N (Nakedi) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
20 2110142711 Matlaba, O (Oratilwe) 1 1.0 1 0 0 100.0 1220.3 425.0 1645.3 View list