Player Page

Xu, J (Jiayi)
Dob: 2018/07/28 (U8)
Gender: Male
Chess SA id: 1180303499
FIDE id:
Region: Buffalo City (EBC)
Citizen: RSA
Title(s):
Last active: 2024/06/08 (18 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 rating1194.0
Current Weighted rating1199.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1199.5
Current highest rating achieved1194.0
Current floor (min rating allowed)694.0
Current K-factor40
Games played this month5
Score (S)3.0
Expected score (We)2.47
Difference (S-We)0.44
Current Raw change (no limits, including tournament time weight)17.6
Current min/max change allowed (with limits)±167.2
Current Raw change used (final)17.6
Projected new Raw rating1211.6
Projected new Weighed rating1103.5
Projected new Weighted performance731.0
Projected new final Raw rating (if new WP > new Raw)1211.6
Projected new highest rating1211.6
Projected new floor711.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1211.6
Projected effective change (new Official - current Official)+12.1
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 rating1191.2
Current Weighted rating1199.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1199.3
Current highest rating achieved1191.2
Current floor (min rating allowed)691.2
Current K-factor40
Games played this month5
Score (S)3.0
Expected score (We)2.46
Difference (S-We)0.54
Current Raw change (no limits, including tournament time weight)21.6
Current min/max change allowed (with limits)±167.9
Current Raw change used (final)21.6
Projected new Raw rating1212.8
Projected new Weighed rating1103.3
Projected new Weighted performance731.0
Projected new final Raw rating (if new WP > new Raw)1212.8
Projected new highest rating1212.8
Projected new floor712.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1212.8
Projected effective change (new Official - current Official)+13.5
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: 4th BC Trials 2024 (U10B)
Start: 2024/06/08  End: 2024/06/08  Host: EBC  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 3.0
Main rating: 1194.0  Rating gain/loss: 17.6
Type rating: 1191.2  Rating gain/loss: 21.6
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 4th BC Trials 2024 (U10B) 2024/06/08 2024/06/08 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1194.0 1191.2 Analysis
1 3rd BC Trials 2024 (U10B) 2024/05/11 2024/05/11 Buffalo City (EBC) Standard 60 0.83 5 5 2.5 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 4th BC Trials 2024 (U10B) 2024/06/08 2024/06/08 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1194.0 1191.2 Analysis
1 3rd BC Trials 2024 (U10B) 2024/05/11 2024/05/11 Buffalo City (EBC) Standard 60 0.83 5 5 2.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 10 5 1 4 5.5 55.0 42.5 1182.8 1225.3
White 5 2 0 3 2.0 40.0 -85.0 1195.8 1110.8
Black 5 3 1 1 3.5 70.0 170.0 1169.7 1339.7
Standard All 10 5 1 4 5.5 55.0 42.5 1182.8 1225.3
White 5 2 0 3 2.0 40.0 -85.0 1195.8 1110.8
Black 5 3 1 1 3.5 70.0 170.0 1169.7 1339.7
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 5 1 4 5.5 55.0 42.5 1182.8 1225.3
White 5 2 0 3 2.0 40.0 -85.0 1195.8 1110.8
Black 5 3 1 1 3.5 70.0 170.0 1169.7 1339.7
Standard All 10 5 1 4 5.5 55.0 42.5 1182.8 1225.3
White 5 2 0 3 2.0 40.0 -85.0 1195.8 1110.8
Black 5 3 1 1 3.5 70.0 170.0 1169.7 1339.7
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 1160300921 Qhali, K (Kutlwano) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 1150303498 Oleh, O (Onyekachi) 1 1.0 1 0 0 100.0 1194.0 425.0 1619.0 View list
3 1150160305 Gambiza, A (Asante) 1 1.0 1 0 0 100.0 1194.0 425.0 1619.0 View list
4 1150303494 Bokolo, A (Awande) 1 1.0 1 0 0 100.0 1194.0 425.0 1619.0 View list
5 1160303493 Blayi, A (Awande) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1150300920 Mpunga, N (Naluvuyo) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
7 2140160312 Xawuka, R (Raphaella) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 2150191758 Mrwetyana, K (Kazimla) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
9 1150300917 Lin, Y (Yifan) 1 0.0 0 0 1 0.0 1194.0 -425.0 769.0 View list
10 1150191752 Kuo, C (Chih-Hsun) 1 0.0 0 0 1 0.0 1194.0 -425.0 769.0 View list