Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Wang, Y (Yifan)
Dob:
2006/06/15 (U20)
Gender:
Male
Chess SA id:
106058542
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2022/08/27 (644 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
Curent Raw rating
1427.9
Curent Weighted rating
1426.7
Curent Weighted performance
1145.3
Current official/published rating (highest between Raw, WR and WP)
1427.9
Current floor (min rating allowed)
927.9
Current highest rating achieved
1427.9
Current K-factor
32
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)
±119.8
Current Raw change used (final)
0.0
Projected new Raw rating
1427.9
Projected new Weighed rating
1427.9
Projected new Weighted performance
1145.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1427.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1427.9
Projected new floor
927.9
Projected new K-facor
32
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
Curent Raw rating
1265.7
Curent Weighted rating
1265.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1265.7
Current floor (min rating allowed)
765.7
Current highest rating achieved
1265.7
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)
±151.0
Current Raw change used (final)
0.0
Projected new Raw rating
1265.7
Projected new Weighed rating
1265.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1265.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1265.7
Projected new floor
765.7
Projected new K-facor
36
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
Curent Raw rating
864.2
Curent Weighted rating
864.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
864.2
Current floor (min rating allowed)
500.0
Current highest rating achieved
864.2
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)
±267.5
Current Raw change used (final)
0.0
Projected new Raw rating
864.2
Projected new Weighed rating
864.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
864.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
864.2
Projected new floor
500.0
Projected new K-facor
40
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
Curent Raw rating
1025.4
Curent Weighted rating
1025.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1025.4
Current floor (min rating allowed)
500.0
Current highest rating achieved
1025.4
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)
±212.6
Current Raw change used (final)
0.0
Projected new Raw rating
1025.4
Projected new Weighed rating
1025.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1025.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1025.4
Projected new floor
500.0
Projected new K-facor
40
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
6
JMC 2nd Trials 2022 (C)
2022/08/27
2022/08/27
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1061.0
1064.6
Analysis
5
UJ Fundraising Tournament 2022 (C)
2022/08/13
2022/08/13
Johannesburg Metro (GJM)
Standard
62
0.84
5
5
4.5
1061.0
1064.6
Analysis
4
JMC Blitz Open 8 August 2022 (A)
2022/08/08
2022/08/08
Johannesburg Metro (GJM)
Blitz
5
0.18
9
9
5.0
1061.0
923.0
Analysis
3
JMC Trials 1 - Laerskool Fontainebleau 2022 (U16+U18)
2022/07/24
2022/07/24
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
967.2
969.8
Analysis
2
Chessheroes Bowls Club Zoo Lake Challenge 2022
2022/07/02
2022/07/02
Johannesburg Metro (GJM)
Blitz
9
0.27
7
7
2.0
967.2
864.2
Analysis
1
2022 Blou Bul Open (C)
2022/06/25
2022/06/26
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
864.2
864.2
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
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
Standard
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
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
36
20
3
13
21.5
59.7
82.6
1387.6
1470.3
White
20
9
2
9
10.0
50.0
0.0
1384.6
1384.6
Black
16
11
1
4
11.5
71.9
185.9
1391.4
1577.4
Standard
All
20
14
1
5
14.5
72.5
191.2
1281.8
1473.0
White
11
7
1
3
7.5
68.2
154.5
1251.8
1406.3
Black
9
7
0
2
7.0
77.8
236.1
1318.5
1554.6
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
16
6
2
8
7.0
43.8
-53.1
1520.0
1466.8
White
9
2
1
6
2.5
27.8
-188.9
1546.9
1358.1
Black
7
4
1
2
4.5
64.3
121.4
1485.3
1606.7
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1080138252
Britz, W (Wian)
1
1.0
1
0
0
100.0
967.2
425.0
1392.2
View list
2
161082691
Botes, D (Derick)
1
1.0
1
0
0
100.0
967.2
425.0
1392.2
View list
3
1110133758
Bloem, J (James)
1
1.0
1
0
0
100.0
1061.0
425.0
1486.0
View list
4
206001830
Bent, C (Cierra)
1
1.0
1
0
0
100.0
864.2
425.0
1289.2
View list
5
109095323
Grobler, DDI (Donovan Denzel Izak)
1
1.0
1
0
0
100.0
864.2
425.0
1289.2
View list
6
1050133869
Fragoso, TD (Tshegofatso)
1
1.0
1
0
0
100.0
967.2
425.0
1392.2
View list
7
1060134486
Donald, J (Joshua)
1
1.0
1
0
0
100.0
967.2
425.0
1392.2
View list
8
1990144949
Kubheka, N (Nosipho)
1
1.0
1
0
0
100.0
1061.0
425.0
1486.0
View list
9
1110139505
Kheswa, S (Spholami)
1
1.0
1
0
0
100.0
967.2
425.0
1392.2
View list
10
2100100924
Kayiya, A (Anashe)
1
1.0
1
0
0
100.0
1061.0
425.0
1486.0
View list
11
1120139665
Mukil, M (Mukil)
1
1.0
1
0
0
100.0
1061.0
425.0
1486.0
View list
12
189053187
Makan, B (Bhavik)
1
1.0
1
0
0
100.0
1061.0
425.0
1486.0
View list
13
2120109367
Pillay, V (Verana)
1
1.0
1
0
0
100.0
864.2
425.0
1289.2
View list
14
1110138263
Ryan, D (Declan)
1
1.0
1
0
0
100.0
1061.0
425.0
1486.0
View list
15
106050282
Voigt, H (Heinrich)
1
1.0
1
0
0
100.0
1061.0
425.0
1486.0
View list
16
1100117290
Weng, Y (Yu Bo (David))
1
1.0
1
0
0
100.0
1061.0
425.0
1486.0
View list
17
195011612
Hadebe, D (Dingulwazi)
1
0.5
0
1
0
50.0
1061.0
0.0
1061.0
View list
18
183028399
Ntombela, NL (Lwazi)
1
0.0
0
0
1
0.0
967.2
-425.0
542.2
View list
19
105058535
Liao, J (Jingpu)
1
0.0
0
0
1
0.0
1061.0
-425.0
636.0
View list
20
1050148477
Metsi, M (Musa)
1
0.0
0
0
1
0.0
967.2
-425.0
542.2
View list