Player Page

Van Zyl, R (Roche-Kay)
Dob: 2014/12/08 (U12)
Gender: Female
Chess SA id: 2140153847
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/08/03 (110 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 rating1099.4
Current Weighted rating1103.7
Current Weighted performance876.9
Current official/published rating (highest between Raw, WR and WP)1103.7
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)±191.4
Current Raw change used (final)0.0
Projected new Raw rating1099.4
Projected new Weighed rating1013.7
Projected new Weighted performance876.9
Projected new final Raw rating (if new WP > new Raw)1099.4
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)1099.4
Projected effective change (new Official - current Official)-4.3
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 rating1145.6
Current Weighted rating1153.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1153.8
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)±179.2
Current Raw change used (final)0.0
Projected new Raw rating1145.6
Projected new Weighed rating1060.5
Projected new Weighted performance213.8
Projected new final Raw rating (if new WP > new Raw)1145.6
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)1145.6
Projected effective change (new Official - current Official)-8.2
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 rating1093.5
Current Weighted rating1094.1
Current Weighted performance940.1
Current official/published rating (highest between Raw, WR and WP)1094.1
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)±193.0
Current Raw change used (final)0.0
Projected new Raw rating1093.5
Projected new Weighed rating1004.9
Projected new Weighted performance940.1
Projected new final Raw rating (if new WP > new Raw)1093.5
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)1093.5
Projected effective change (new Official - current Official)-0.6
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 Pedro Booyse Top Schools Championships 2024 (U11 Girls) 2024/08/03 2024/08/03 West Coast (WCU) Rapid 30 0.60 6 3 2.0 1085.6 1074.8 Analysis
1 Lower West Coast Schools Chess Prestige 2024 (U11 Girls) 2024/02/17 2024/02/17 West Coast (WCU) Rapid 30 0.60 5 4 1.0 1094.0 1088.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
6 Pedro Booyse Top Schools Championships 2024 (U11 Girls) 2024/08/03 2024/08/03 West Coast (WCU) Rapid 30 0.60 6 3 2.0 1085.6 1074.8 Analysis
5 Lower West Coast Schools Chess Prestige 2024 (U11 Girls) 2024/02/17 2024/02/17 West Coast (WCU) Rapid 30 0.60 5 4 1.0 1094.0 1088.8 Analysis
4 Western Cape Top Schools 2023 (U11 Girls) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 6 3 0.0 1132.2 1200.0 Analysis
3 Pedro Booyse Top Schools Round 2 2023 (U11) 2023/08/22 2023/08/22 West Coast (WCU) Rapid 20 0.47 5 4 0.0 1158.1 1134.5 Analysis
2 Pedro Booyse Top Schools 2023 (U11) 2023/07/29 2023/07/29 West Coast (WCU) Rapid 30 0.60 5 4 0.5 1183.8 1170.1 Analysis
1 Lower West Coast Primary Schools Prestige Championships 2023 (U9 Girls) 2023/03/04 2023/03/04 West Coast (WCU) Rapid 30 0.60 5 4 1.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 7 3 0 4 3.0 42.9 -60.7 1174.8 1114.1
White 3 2 0 1 2.0 66.7 141.7 1194.5 1336.2
Black 4 1 0 3 1.0 25.0 -212.5 1160.1 947.6
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 7 3 0 4 3.0 42.9 -60.7 1174.8 1114.1
White 3 2 0 1 2.0 66.7 141.7 1194.5 1336.2
Black 4 1 0 3 1.0 25.0 -212.5 1160.1 947.6
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 22 4 2 16 5.0 22.7 -231.8 1196.1 964.3
White 9 3 2 4 4.0 44.4 -47.2 1182.5 1135.2
Black 13 1 0 12 1.0 7.7 -359.6 1205.6 846.0
Standard All 3 0 0 3 0.0 0.0 -425.0 1181.7 756.7
White 1 0 0 1 0.0 0.0 -425.0 1209.3 784.3
Black 2 0 0 2 0.0 0.0 -425.0 1167.8 742.8
Rapid All 19 4 2 13 5.0 26.3 -201.3 1198.4 997.1
White 8 3 2 3 4.0 50.0 0.0 1179.1 1179.1
Black 11 1 0 10 1.0 9.1 -347.7 1212.5 864.8
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 2160157870 Warner, A (Amalia) 2 2.0 2 0 0 100.0 1085.6 425.0 1510.6 View list
2 1130153773 Murdoch, G (Gabriel) 2 0.0 0 0 2 0.0 1170.9 -425.0 745.9 View list
3 2160153134 Avontuur, E (Ezrah) 2 0.0 0 0 2 0.0 1170.9 -425.0 745.9 View list
4 1140142283 Wilsnach, L (Lishan) 2 0.0 0 0 2 0.0 1170.9 -425.0 745.9 View list
5 2130192729 Snyders, J (Jadie Leigh) 2 0.0 0 0 2 0.0 1089.8 -425.0 664.8 View list
6 2140153846 Sterksee, K (Kimber-Jade) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 2130192722 Brutus, B (Benedyn) 1 1.0 1 0 0 100.0 1094.0 425.0 1519.0 View list
8 2120159411 Dyssel, L (Leila) 1 0.5 0 1 0 50.0 1183.8 0.0 1183.8 View list
9 2150146272 Nieuwenhuis, N (Nichelle) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
10 2120157858 Willemse, Z (Zeke) 1 0.0 0 0 1 0.0 1158.1 -425.0 733.1 View list
11 2140192726 Madia, K (Kgothatso) 1 0.0 0 0 1 0.0 1094.0 -425.0 669.0 View list
12 2130139082 Lott, L (Lucrecia) 1 0.0 0 0 1 0.0 1094.0 -425.0 669.0 View list
13 2130137326 Krige, Z (Zara) 1 0.0 0 0 1 0.0 1132.2 -425.0 707.2 View list
14 2130158862 Khumbuza, A (Amila) 1 0.0 0 0 1 0.0 1132.2 -425.0 707.2 View list
15 2120117934 Coertze, D (Dane) 1 0.0 0 0 1 0.0 1132.2 -425.0 707.2 View list
16 2140153843 Botha, C (Cara) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
17 2140139074 Boas, F (Fransisca) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list