Player Page

Van Rooyen, W (Willem)
Dob: 2011/04/19 (U14)
Gender: Male
Chess SA id: 1110159198
FIDE id:
Region: Ehlanzeni (MEN)
Citizen: RSA
Title(s):
Last active: 2023/08/05 (325 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 rating1223.1
Current Weighted rating1216.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1223.1
Current highest rating achieved1223.1
Current floor (min rating allowed)723.1
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)±160.4
Current Raw change used (final)0.0
Projected new Raw rating1223.1
Projected new Weighed rating1119.2
Projected new Weighted performance646.4
Projected new final Raw rating (if new WP > new Raw)1223.1
Projected new highest rating1223.1
Projected new floor723.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1223.1
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 rating1166.9
Current Weighted rating1176.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1176.9
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)±173.8
Current Raw change used (final)0.0
Projected new Raw rating1166.9
Projected new Weighed rating1082.2
Projected new Weighted performance312.2
Projected new final Raw rating (if new WP > new Raw)1166.9
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)1166.9
Projected effective change (new Official - current Official)-10.0
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 rating1272.0
Current Weighted rating1250.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1272.0
Current highest rating achieved1272.0
Current floor (min rating allowed)772.0
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)±149.6
Current Raw change used (final)0.0
Projected new Raw rating1272.0
Projected new Weighed rating1151.5
Projected new Weighted performance439.8
Projected new final Raw rating (if new WP > new Raw)1272.0
Projected new highest rating1272.0
Projected new floor772.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1272.0
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
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 Overberg Top Schools 2023 (U13) 2023/08/05 2023/08/05 Overberg (WOS) Standard 60 0.83 5 4 1.0 1200.0 1200.0 Analysis
1 Interprimary 2023 (U13) 2023/08/05 2023/08/05 Ehlanzeni (MEN) Rapid 30 0.60 7 6 5.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
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 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 10 6 0 4 6.0 60.0 85.0 1227.3 1312.3
White 5 3 0 2 3.0 60.0 85.0 1247.4 1332.4
Black 5 3 0 2 3.0 60.0 85.0 1207.1 1292.1
Standard All 4 1 0 3 1.0 25.0 -212.5 1266.4 1053.9
White 2 0 0 2 0.0 0.0 -425.0 1361.1 936.1
Black 2 1 0 1 1.0 50.0 0.0 1171.7 1171.7
Rapid All 6 5 0 1 5.0 83.3 283.3 1201.2 1484.5
White 3 3 0 0 3.0 100.0 425.0 1171.7 1596.7
Black 3 2 0 1 2.0 66.7 141.7 1230.7 1372.4
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 1100159179 Cassim, F (Fayaaz) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 1110151346 Ess, N (Noah) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1110149506 Williams, J (Jody) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1110152027 Thobela, K (Khayalethu) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1110159139 Siduli, B (Bahle) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1100159190 Nkosi, N (Ntsakiso) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1120145251 Kudiyarov, M (Maxim) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 1130149486 Saldanha, N (Noah) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
9 1110130188 Du Plessis, J (Jan-Dawid) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
10 210086678 Botha, E (Emily) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list