Player Page

Lyu, Y (Yichen)
Dob: 2009/10/22 (U16)
Gender: Male
Chess SA id: 1090114202
FIDE id:
Region: iLembe (KIK)
Citizen: RSA
Title(s):
Last active: 2024/05/19 (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 rating1223.4
Current Weighted rating1154.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1223.4
Current highest rating achieved1223.4
Current floor (min rating allowed)723.4
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 rating1223.4
Projected new Weighed rating1062.3
Projected new Weighted performance565.1
Projected new final Raw rating (if new WP > new Raw)1223.4
Projected new highest rating1223.4
Projected new floor723.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1223.4
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 rating1261.9
Current Weighted rating1205.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1261.9
Current highest rating achieved1261.9
Current floor (min rating allowed)761.9
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)±151.8
Current Raw change used (final)0.0
Projected new Raw rating1261.9
Projected new Weighed rating1108.7
Projected new Weighted performance483.9
Projected new final Raw rating (if new WP > new Raw)1261.9
Projected new highest rating1261.9
Projected new floor761.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1261.9
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 rating1118.0
Current Weighted rating1118.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1118.0
Current highest rating achieved1118.0
Current floor (min rating allowed)618.0
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)±186.4
Current Raw change used (final)0.0
Projected new Raw rating1118.0
Projected new Weighed rating1028.6
Projected new Weighted performance106.8
Projected new final Raw rating (if new WP > new Raw)1118.0
Projected new highest rating1118.0
Projected new floor618.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1118.0
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.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 2024 ECA 2nd Youth Trials (U16) 2024/05/18 2024/05/19 Ethekwini (KED) Standard 60 0.83 6 6 4.0 1148.4 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 2024 ECA 2nd Youth Trials (U16) 2024/05/18 2024/05/19 Ethekwini (KED) Standard 60 0.83 6 6 4.0 1148.4 1200.0 Analysis
1 Centenary Chess Tournament 2019 (Senior Primary) 2019/05/11 2019/05/11 iLembe (KIK) Rapid 30 0.60 6 6 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 6 3 2 1 4.0 66.7 141.7 1329.3 1471.0
White 3 1 1 1 1.5 50.0 0.0 1374.5 1374.5
Black 3 2 1 0 2.5 83.3 283.3 1284.1 1567.4
Standard All 6 3 2 1 4.0 66.7 141.7 1329.3 1471.0
White 3 1 1 1 1.5 50.0 0.0 1374.5 1374.5
Black 3 2 1 0 2.5 83.3 283.3 1284.1 1567.4
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 12 5 2 5 6.0 50.0 0.0 1182.2 1182.2
White 6 2 1 3 2.5 41.7 -70.8 1172.3 1101.4
Black 6 3 1 2 3.5 58.3 70.8 1192.1 1262.9
Standard All 6 3 2 1 4.0 66.7 141.7 1329.3 1471.0
White 3 1 1 1 1.5 50.0 0.0 1374.5 1374.5
Black 3 2 1 0 2.5 83.3 283.3 1284.1 1567.4
Rapid All 6 2 0 4 2.0 33.3 -141.7 1035.1 893.4
White 3 1 0 2 1.0 33.3 -141.7 970.0 828.4
Black 3 1 0 2 1.0 33.3 -141.7 1100.1 958.5
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 106088917 Luthuli, K (Khwezi) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 1090157995 Mngadi, F (Fredrick) 1 1.0 1 0 0 100.0 1148.4 425.0 1573.4 View list
3 1100304968 Mkhize, O (Olebogeng) 1 1.0 1 0 0 100.0 1148.4 425.0 1573.4 View list
4 1080114200 Sagathavan, D (Deeyasha) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1100136540 Ntenga, G (Genius) 1 1.0 1 0 0 100.0 1148.4 425.0 1573.4 View list
6 1090112248 Subramoney, R (Riaan) 1 0.5 0 1 0 50.0 1148.4 0.0 1148.4 View list
7 1100097611 Narainsamy, T (Taygen) 1 0.5 0 1 0 50.0 1148.4 0.0 1148.4 View list
8 110092160 Magudulela, N (Ndumiso) 1 0.0 0 0 1 0.0 1148.4 -425.0 723.4 View list
9 208079424 Lobo, A (Abrianna) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
10 1090103646 Jugree, A (Arav) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 109082579 Hornsby, M (Mikah) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
12 2080098933 Bhatia, A (Aarshbir) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list