Player Page

Luo, Y (Yichen)
Dob: 2014/12/27 (U12)
Gender: Male
Chess SA id: 1140192105
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/05/25 (32 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 rating1226.6
Current Weighted rating1209.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1226.6
Current highest rating achieved1253.2
Current floor (min rating allowed)753.2
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)±159.6
Current Raw change used (final)0.0
Projected new Raw rating1226.6
Projected new Weighed rating1112.7
Projected new Weighted performance1123.8
Projected new final Raw rating (if new WP > new Raw)1226.6
Projected new highest rating1253.2
Projected new floor753.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1226.6
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 rating1227.4
Current Weighted rating1209.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1227.4
Current highest rating achieved1261.6
Current floor (min rating allowed)761.6
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)±159.5
Current Raw change used (final)0.0
Projected new Raw rating1227.4
Projected new Weighed rating1113.0
Projected new Weighted performance972.4
Projected new final Raw rating (if new WP > new Raw)1227.4
Projected new highest rating1261.6
Projected new floor761.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1227.4
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 rating1200.8
Current Weighted rating1200.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.8
Current highest rating achieved1200.8
Current floor (min rating allowed)700.8
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)±165.6
Current Raw change used (final)0.0
Projected new Raw rating1200.8
Projected new Weighed rating1104.2
Projected new Weighted performance398.4
Projected new final Raw rating (if new WP > new Raw)1200.8
Projected new highest rating1200.8
Projected new floor700.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.8
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Chess Power House May Open 2024 (D) 2024/05/25 2024/05/25 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1232.0 1235.7 Analysis
3 First Knight Riders Junior Open 2024 (C) 2024/04/20 2024/04/20 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1253.2 1261.6 Analysis
2 1st Knights Open Tournament 2024 (E) 2024/03/23 2024/03/23 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1208.7 1200.0 Analysis
1 Gear Up Mzansi Rapid 2024 (Junior) 2024/02/17 2024/02/17 Johannesburg Metro (GJM) Rapid 35 0.66 5 5 2.5 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Chess Power House May Open 2024 (D) 2024/05/25 2024/05/25 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1232.0 1235.7 Analysis
3 First Knight Riders Junior Open 2024 (C) 2024/04/20 2024/04/20 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1253.2 1261.6 Analysis
2 1st Knights Open Tournament 2024 (E) 2024/03/23 2024/03/23 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1208.7 1200.0 Analysis
1 Gear Up Mzansi Rapid 2024 (Junior) 2024/02/17 2024/02/17 Johannesburg Metro (GJM) Rapid 35 0.66 5 5 2.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 20 10 1 9 10.5 52.5 21.3 1238.8 1260.1
White 9 3 0 6 3.0 33.3 -141.7 1257.2 1115.6
Black 11 7 1 3 7.5 68.2 154.5 1223.8 1378.3
Standard All 15 8 0 7 8.0 53.3 28.3 1234.8 1263.1
White 7 2 0 5 2.0 28.6 -182.1 1253.4 1071.2
Black 8 6 0 2 6.0 75.0 212.5 1218.6 1431.1
Rapid All 5 2 1 2 2.5 50.0 0.0 1250.9 1250.9
White 2 1 0 1 1.0 50.0 0.0 1270.7 1270.7
Black 3 1 1 1 1.5 50.0 0.0 1237.8 1237.8
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 20 10 1 9 10.5 52.5 21.3 1238.8 1260.1
White 9 3 0 6 3.0 33.3 -141.7 1257.2 1115.6
Black 11 7 1 3 7.5 68.2 154.5 1223.8 1378.3
Standard All 15 8 0 7 8.0 53.3 28.3 1234.8 1263.1
White 7 2 0 5 2.0 28.6 -182.1 1253.4 1071.2
Black 8 6 0 2 6.0 75.0 212.5 1218.6 1431.1
Rapid All 5 2 1 2 2.5 50.0 0.0 1250.9 1250.9
White 2 1 0 1 1.0 50.0 0.0 1270.7 1270.7
Black 3 1 1 1 1.5 50.0 0.0 1237.8 1237.8
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 1120132213 Williams, J (Joshua) 2 0.0 0 0 2 0.0 1226.6 -425.0 801.6 View list
2 1160190845 Orren, JJ (Jade Junior) 1 1.0 1 0 0 100.0 1232.0 425.0 1657.0 View list
3 1110155754 Ngubane, L (Lesedi) 1 1.0 1 0 0 100.0 1253.2 425.0 1678.2 View list
4 2140161312 Murugan, S (Shreya) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1140161338 Tau, K (Kemiso) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1150146684 Jack, N (Nandi) 1 1.0 1 0 0 100.0 1232.0 425.0 1657.0 View list
7 1130301087 Hlatshwayo, G (Gcwali) 1 1.0 1 0 0 100.0 1208.7 425.0 1633.7 View list
8 1110301086 Gillman, D (Daniel) 1 1.0 1 0 0 100.0 1208.7 425.0 1633.7 View list
9 2140139659 Du Toit, M (Monika) 1 1.0 1 0 0 100.0 1253.2 425.0 1678.2 View list
10 1140301084 Crossan, A (Addison) 1 1.0 1 0 0 100.0 1208.7 425.0 1633.7 View list
11 2140301082 Baloyi, B (Botlhale) 1 1.0 1 0 0 100.0 1208.7 425.0 1633.7 View list
12 1160160634 Botha, J (Johann Alexander) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
13 1140192110 Wang, X (Xingkong) 1 0.0 0 0 1 0.0 1253.2 -425.0 828.2 View list
14 1120148615 Upadhyay, S (Savya) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 1160157330 Steyn, K (Kahn) 1 0.0 0 0 1 0.0 1232.0 -425.0 807.0 View list
16 1090301090 Phiri, A (Alinane) 1 0.0 0 0 1 0.0 1208.7 -425.0 783.7 View list
17 2160151766 Mafane, A (Atlegang) 1 0.0 0 0 1 0.0 1232.0 -425.0 807.0 View list
18 1140149149 Dsouza, E (Ethan) 1 0.0 0 0 1 0.0 1232.0 -425.0 807.0 View list
19 210075196 Chauke, N (Nosipho) 1 0.0 0 0 1 0.0 1253.2 -425.0 828.2 View list