Chess South Africa
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Chess South Africa
Zhang, Y (Yingxin)
Dob:
2014/08/20 (U12)
Gender:
Male
Chess SA id:
1140147326
FIDE id:
Region:
Johannesburg Matro (GJM)
Citizen:
RSA
Title(s):
Last active:
2024/04/20 (65 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
1189.9
Current Weighted rating
1187.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1189.9
Current highest rating achieved
1189.9
Current floor (min rating allowed)
689.9
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)
±168.2
Current Raw change used (final)
0.0
Projected new Raw rating
1189.9
Projected new Weighed rating
1092.7
Projected new Weighted performance
1027.0
Projected new final Raw rating (if new WP > new Raw)
1189.9
Projected new highest rating
1189.9
Projected new floor
689.9
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1189.9
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
1210.8
Current Weighted rating
1202.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1210.8
Current highest rating achieved
1210.8
Current floor (min rating allowed)
710.8
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)
±163.3
Current Raw change used (final)
0.0
Projected new Raw rating
1210.8
Projected new Weighed rating
1106.2
Projected new Weighted performance
717.5
Projected new final Raw rating (if new WP > new Raw)
1210.8
Projected new highest rating
1210.8
Projected new floor
710.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1210.8
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
1159.6
Current Weighted rating
1175.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1175.1
Current highest rating achieved
1181.2
Current floor (min rating allowed)
681.2
Current K-factor
40
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)
±175.6
Current Raw change used (final)
0.0
Projected new Raw rating
1159.6
Projected new Weighed rating
1080.7
Projected new Weighted performance
582.1
Projected new final Raw rating (if new WP > new Raw)
1159.6
Projected new highest rating
1181.2
Projected new floor
681.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1159.6
Projected effective change (new Official - current Official)
-15.5
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
1200.0
Current floor (min rating allowed)
700.0
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)
±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
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
3
First Knight Riders Junior Open 2024 (C)
2024/04/20
2024/04/20
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.5
1184.6
1208.3
Analysis
2
1st Knights Open Tournament 2024 (U10)
2024/03/23
2024/03/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1172.6
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
2.0
1189.0
1181.2
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
4
First Knight Riders Junior Open 2024 (C)
2024/04/20
2024/04/20
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.5
1184.6
1208.3
Analysis
3
1st Knights Open Tournament 2024 (U10)
2024/03/23
2024/03/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1172.6
1200.0
Analysis
2
Gear Up Mzansi Rapid 2024 (Junior)
2024/02/17
2024/02/17
Johannesburg Metro (GJM)
Rapid
35
0.66
5
5
2.0
1189.0
1181.2
Analysis
1
Chess Power House Rapid 2022 (U8)
2022/10/22
2022/10/22
Johannesburg Metro (GJM)
Rapid
30
0.60
5
5
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
15
7
1
7
7.5
50.0
0.0
1183.0
1183.0
White
9
5
1
3
5.5
61.1
94.4
1198.5
1292.9
Black
6
2
0
4
2.0
33.3
-141.7
1159.8
1018.1
Standard
All
10
5
1
4
5.5
55.0
42.5
1187.3
1229.8
White
6
3
1
2
3.5
58.3
70.8
1216.9
1287.7
Black
4
2
0
2
2.0
50.0
0.0
1143.0
1143.0
Rapid
All
5
2
0
3
2.0
40.0
-85.0
1174.4
1089.4
White
3
2
0
1
2.0
66.7
141.7
1161.7
1303.3
Black
2
0
0
2
0.0
0.0
-425.0
1193.4
768.4
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
9
1
10
9.5
47.5
-21.3
1187.0
1165.7
White
11
6
1
4
6.5
59.1
77.3
1198.3
1275.5
Black
9
3
0
6
3.0
33.3
-141.7
1173.1
1031.5
Standard
All
10
5
1
4
5.5
55.0
42.5
1187.3
1229.8
White
6
3
1
2
3.5
58.3
70.8
1216.9
1287.7
Black
4
2
0
2
2.0
50.0
0.0
1143.0
1143.0
Rapid
All
10
4
0
6
4.0
40.0
-85.0
1186.6
1101.6
White
5
3
0
2
3.0
60.0
85.0
1175.9
1260.9
Black
5
1
0
4
1.0
20.0
-255.0
1197.3
942.3
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
1140192110
Wang, X (Xingkong)
2
2.0
2
0
0
100.0
1186.8
425.0
1611.8
View list
2
1150301098
Msibi, N (Neo)
1
1.0
1
0
0
100.0
1172.6
425.0
1597.6
View list
3
1140149124
Wu, O (Oscar)
1
1.0
1
0
0
100.0
1189.0
425.0
1614.0
View list
4
2140190842
Mahale, A (Agastya)
1
1.0
1
0
0
100.0
1184.6
425.0
1609.6
View list
5
1150148609
Liebenberg, N (Nathan)
1
1.0
1
0
0
100.0
1172.6
425.0
1597.6
View list
6
1140146686
Joffa, A (Asher Atticus)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
1160155757
Hlabangwane, N (Ntwanano)
1
1.0
1
0
0
100.0
1172.6
425.0
1597.6
View list
8
1140146678
Chetty, A (Aryanna Emma)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
9
2140139659
Du Toit, M (Monika)
1
0.5
0
1
0
50.0
1184.6
0.0
1184.6
View list
10
1160146705
Zhu, R (Ryan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
11
2090116678
Mkulisi, P (Philisiwe)
1
0.0
0
0
1
0.0
1184.6
-425.0
759.6
View list
12
1160191601
Meijer, C (Carlo)
1
0.0
0
0
1
0.0
1172.6
-425.0
747.6
View list
13
1100152485
Van Heerden, A (Alexander)
1
0.0
0
0
1
0.0
1189.0
-425.0
764.0
View list
14
1170147325
Stelloh, A (Alexander)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
15
2110151809
Nel, L (Leah)
1
0.0
0
0
1
0.0
1189.0
-425.0
764.0
View list
16
1110149129
Fryer, T (Thomas)
1
0.0
0
0
1
0.0
1189.0
-425.0
764.0
View list
17
1160158551
Collard, J (Jake)
1
0.0
0
0
1
0.0
1172.6
-425.0
747.6
View list
18
210075196
Chauke, N (Nosipho)
1
0.0
0
0
1
0.0
1184.6
-425.0
759.6
View list
19
1140147322
Bowyer, J (Jade Li)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list