Player Page

Yu, J (Jikun)
Dob: 2010/07/23 (U16)
Gender: Male
Chess SA id: 1100301723
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/10/14 (38 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 rating1167.8
Current Weighted rating1186.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1186.1
Current highest rating achieved1183.1
Current floor (min rating allowed)683.1
Current K-factor40
Games played this month3
Score (S)2.0
Expected score (We)1.23
Difference (S-We)0.64
Current Raw change (no limits, including tournament time weight)25.6
Current min/max change allowed (with limits)±173.6
Current Raw change used (final)25.6
Projected new Raw rating1193.4
Projected new Weighed rating1090.8
Projected new Weighted performance705.7
Projected new final Raw rating (if new WP > new Raw)1193.4
Projected new highest rating1193.4
Projected new floor693.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1193.4
Projected effective change (new Official - current Official)+7.3
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 rating1161.2
Current Weighted rating1183.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1183.2
Current highest rating achieved1179.2
Current floor (min rating allowed)679.2
Current K-factor40
Games played this month3
Score (S)2.0
Expected score (We)1.19
Difference (S-We)0.81
Current Raw change (no limits, including tournament time weight)32.4
Current min/max change allowed (with limits)±175.2
Current Raw change used (final)32.4
Projected new Raw rating1193.6
Projected new Weighed rating1088.0
Projected new Weighted performance705.7
Projected new final Raw rating (if new WP > new Raw)1193.6
Projected new highest rating1193.6
Projected new floor693.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1193.6
Projected effective change (new Official - current Official)+10.4
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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
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 achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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
Tournament: JCC St Peters High Schools League 2024 (B)
Start: 2024/09/09  End: 2024/10/14  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 3
Games: 3  Score: 2.0
Main rating: 1167.8  Rating gain/loss: 25.6
Type rating: 1161.2  Rating gain/loss: 32.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 JCC St Peters High Schools League 2024 (B) 2024/09/09 2024/10/14 Johannesburg Metro (GJM) Standard 60 0.83 5 3 2.0 1167.8 1161.2 Analysis
2 JCC Steyn City High Schools League 2024 (B) 2024/05/11 2024/05/25 Johannesburg Metro (GJM) Standard 60 0.83 6 2 0.5 1183.1 1179.2 Analysis
1 Dainfern College Chess League 2024 (B) 2024/01/29 2024/03/11 Johannesburg Metro (GJM) Standard 60 0.83 6 3 1.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 JCC St Peters High Schools League 2024 (B) 2024/09/09 2024/10/14 Johannesburg Metro (GJM) Standard 60 0.83 5 3 2.0 1167.8 1161.2 Analysis
2 JCC Steyn City High Schools League 2024 (B) 2024/05/11 2024/05/25 Johannesburg Metro (GJM) Standard 60 0.83 6 2 0.5 1183.1 1179.2 Analysis
1 Dainfern College Chess League 2024 (B) 2024/01/29 2024/03/11 Johannesburg Metro (GJM) Standard 60 0.83 6 3 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 8 3 1 4 3.5 43.8 -53.1 1206.2 1153.1
White 3 1 0 2 1.0 33.3 -141.7 1200.7 1059.0
Black 5 2 1 2 2.5 50.0 0.0 1209.5 1209.5
Standard All 8 3 1 4 3.5 43.8 -53.1 1206.2 1153.1
White 3 1 0 2 1.0 33.3 -141.7 1200.7 1059.0
Black 5 2 1 2 2.5 50.0 0.0 1209.5 1209.5
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 8 3 1 4 3.5 43.8 -53.1 1206.2 1153.1
White 3 1 0 2 1.0 33.3 -141.7 1200.7 1059.0
Black 5 2 1 2 2.5 50.0 0.0 1209.5 1209.5
Standard All 8 3 1 4 3.5 43.8 -53.1 1206.2 1153.1
White 3 1 0 2 1.0 33.3 -141.7 1200.7 1059.0
Black 5 2 1 2 2.5 50.0 0.0 1209.5 1209.5
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1090301704 Mukadam, A (Abhir) 2 1.0 1 0 1 50.0 1183.9 0.0 1183.9 View list
2 1100305920 Neethling, V (Valiant) 1 1.0 1 0 0 100.0 1167.8 425.0 1592.8 View list
3 1060301697 Maaga, L (Lebone) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1080305907 Lutchan, A (Ariyn) 1 0.5 0 1 0 50.0 1183.1 0.0 1183.1 View list
5 1100305919 Ndamase, O (Owam) 1 0.0 0 0 1 0.0 1183.1 -425.0 758.1 View list
6 2100305890 Maselela, L (Leago) 1 0.0 0 0 1 0.0 1167.8 -425.0 742.8 View list
7 1090157136 Lancaster, G (Gemma) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list