Chess South Africa
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Chess South Africa
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
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
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 rating
1226.6
Current Weighted rating
1209.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1226.6
Current highest rating achieved
1253.2
Current floor (min rating allowed)
753.2
Current K-factor
36
Games played this month
0
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 rating
1226.6
Projected new Weighed rating
1112.7
Projected new Weighted performance
1123.8
Projected new final Raw rating (if new WP > new Raw)
1226.6
Projected new highest rating
1253.2
Projected new floor
753.2
Projected new K-facor
36
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 rating
1227.4
Current Weighted rating
1209.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1227.4
Current highest rating achieved
1261.6
Current floor (min rating allowed)
761.6
Current K-factor
36
Games played this month
0
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 rating
1227.4
Projected new Weighed rating
1113.0
Projected new Weighted performance
972.4
Projected new final Raw rating (if new WP > new Raw)
1227.4
Projected new highest rating
1261.6
Projected new floor
761.6
Projected new K-facor
36
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
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 rating
1200.8
Current Weighted rating
1200.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.8
Current highest rating achieved
1200.8
Current floor (min rating allowed)
700.8
Current K-factor
36
s
Games played this month
0
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 rating
1200.8
Projected new Weighed rating
1104.2
Projected new Weighted performance
398.4
Projected new final Raw rating (if new WP > new Raw)
1200.8
Projected new highest rating
1200.8
Projected new floor
700.8
Projected new K-facor
36
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 rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
0.0
Current floor (min rating allowed)
700.0
Current K-factor
40
Games played this month
0
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 rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
0.0
Projected new floor
700.0
Projected new K-facor
40
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
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
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
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
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
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 id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
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