Player Page

Zhou, Z (Zhihao)
Dob: 2006/05/21 (U20)
Gender: Male
Chess SA id: 1060105751
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/06/10 (168 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 rating1112.0
Current Weighted rating1115.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1115.4
Current highest rating achieved1117.3
Current floor (min rating allowed)617.3
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)±188.0
Current Raw change used (final)0.0
Projected new Raw rating1112.0
Projected new Weighed rating1026.1
Projected new Weighted performance44.5
Projected new final Raw rating (if new WP > new Raw)1112.0
Projected new highest rating1117.3
Projected new floor617.3
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1112.0
Projected effective change (new Official - current Official)-3.4
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 rating1100.8
Current Weighted rating1100.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1100.8
Current highest rating achieved1100.8
Current floor (min rating allowed)600.8
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)±191.0
Current Raw change used (final)0.0
Projected new Raw rating1100.8
Projected new Weighed rating1012.7
Projected new Weighted performance44.5
Projected new final Raw rating (if new WP > new Raw)1100.8
Projected new highest rating1100.8
Projected new floor600.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1100.8
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 rating1184.9
Current Weighted rating1194.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1194.5
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)±169.4
Current Raw change used (final)0.0
Projected new Raw rating1184.9
Projected new Weighed rating1098.7
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)1184.9
Projected effective change (new Official - current Official)-9.6
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
1 JCC SAHETI High Schools League Round Robin 2024 2024/05/20 2024/06/10 Johannesburg Metro (GJM) Rapid 20 0.47 7 1 0.0 1117.3 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 JCC SAHETI High Schools League Round Robin 2024 2024/05/20 2024/06/10 Johannesburg Metro (GJM) Rapid 20 0.47 7 1 0.0 1117.3 1200.0 Analysis
1 2018 Gauteng League Final (U13) 2018/08/24 2018/08/24 Tshwane (GTP) Standard 60 0.83 5 4 0.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 1 0 0 1 0.0 0.0 -425.0 1346.3 921.3
White 1 0 0 1 0.0 0.0 -425.0 1346.3 921.3
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 1 0 0 1 0.0 0.0 -425.0 1346.3 921.3
White 1 0 0 1 0.0 0.0 -425.0 1346.3 921.3
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 5 0 0 5 0.0 0.0 -425.0 1100.7 675.7
White 4 0 0 4 0.0 0.0 -425.0 1075.9 650.9
Black 1 0 0 1 0.0 0.0 -425.0 1200.0 775.0
Standard All 4 0 0 4 0.0 0.0 -425.0 1039.3 614.3
White 3 0 0 3 0.0 0.0 -425.0 985.7 560.7
Black 1 0 0 1 0.0 0.0 -425.0 1200.0 775.0
Rapid All 1 0 0 1 0.0 0.0 -425.0 1346.3 921.3
White 1 0 0 1 0.0 0.0 -425.0 1346.3 921.3
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1060105742 Zulu, M (Muthulisi Simon) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
2 1060105759 Wang, KT (Kaifei Tony) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
3 105050994 Van Den Berg, D (Dawid) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
4 107090302 Setshedi, N (Neo) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
5 2060133808 Mafinya, T (Thama) 1 0.0 0 0 1 0.0 1117.3 -425.0 692.3 View list