Chess South Africa
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Chess South Africa
Yu, CRR (Changrui)
Dob:
2004/06/25 (Adult)
Gender:
Male
Chess SA id:
104043420
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2020/03/14 (1509 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
1677.9
Curent Weighted rating
1677.9
Curent Weighted performance
774.8
Current official/published rating (highest between Raw, WR and WP)
1677.9
Current floor (min rating allowed)
1177.9
Current highest rating achieved
1677.9
Current K-factor
28
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)
±83.9
Current Raw change used (final)
0.0
Projected new Raw rating
1677.9
Projected new Weighed rating
1677.9
Projected new Weighted performance
774.8
Projected new official/published rating (highest between new Raw, new WR and new WP)
1677.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1677.9
Projected new floor
1177.9
Projected new K-facor
28
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
1686.3
Curent Weighted rating
1686.3
Curent Weighted performance
775.6
Current official/published rating (highest between Raw, WR and WP)
1686.3
Current floor (min rating allowed)
1186.3
Current highest rating achieved
1686.3
Current K-factor
28
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)
±82.9
Current Raw change used (final)
0.0
Projected new Raw rating
1686.3
Projected new Weighed rating
1686.3
Projected new Weighted performance
775.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1686.3
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1686.3
Projected new floor
1186.3
Projected new K-facor
28
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
1588.8
Curent Weighted rating
1588.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1588.8
Current floor (min rating allowed)
1088.8
Current highest rating achieved
1588.8
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)
±95.3
Current Raw change used (final)
0.0
Projected new Raw rating
1588.8
Projected new Weighed rating
1588.8
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1588.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1588.8
Projected new floor
1088.8
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
1588.8
Curent Weighted rating
1588.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1588.8
Current floor (min rating allowed)
1088.8
Current highest rating achieved
1588.8
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)
±95.3
Current Raw change used (final)
0.0
Projected new Raw rating
1588.8
Projected new Weighed rating
1588.8
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1588.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1588.8
Projected new floor
1088.8
Projected new K-facor
32
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
12
2020 Metro Trials (U18 Girls)
2020/03/13
2020/03/14
Cape Town (WCT)
Standard
60
0.83
5
5
4.0
1670.5
1678.5
Analysis
11
Metro North Individual Trials 2020 (U17)
2020/02/07
2020/02/08
Cape Town (WCT)
Standard
60
0.83
6
6
5.0
1674.0
1683.3
Analysis
10
2019 South African Junior Team Championships (U16A)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
4.0
1662.5
1674.3
Analysis
9
2019 SA Schools Winter Games (U15 Boys)
2019/07/01
2019/07/04
Ethekwini (KED)
Standard
90
0.94
7
7
5.5
1641.4
1652.7
Analysis
8
Western Cape Schools Individuals 2019 (U15 Boys)
2019/05/04
2019/05/05
Eden District (WEG)
Standard
60
0.83
6
6
5.0
1622.6
1632.8
Analysis
7
Metro School Chess Closed Individual Trials 2019 (U15 Boys)
2019/03/01
2019/03/02
Cape Town (WCT)
Standard
60
0.83
6
6
5.5
1598.2
1602.3
Analysis
6
District North Schools Chess Trials 2019 (U15)
2019/01/25
2019/01/26
Cape Town (WCT)
Standard
60
0.83
6
6
5.0
1603.1
1608.5
Analysis
5
South African Junior Team Championships 2018 (U20A)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
6
5.0
1602.8
1607.4
Analysis
4
Stellenberg Youth Chess Champs 2018 (A)
2018/06/22
2018/06/23
Cape Town (WCT)
Standard
60
0.83
6
6
5.0
1580.5
1577.7
Analysis
3
2018 WP Schools Closed Trials (U15 Boys)
2018/03/09
2018/03/10
Cape Town (WCT)
Standard
60
0.83
6
6
3.5
1610.0
1614.4
Analysis
2
District North Schools Chess Open Trials 2018 (U15)
2018/02/09
2018/02/10
Cape Town (WCT)
Standard
60
0.83
6
6
6.0
1588.8
1588.8
Analysis
1
2018 Cape of Good Hope Open Chess Championships (Prestige)
2018/01/26
2018/01/28
Cape Town (WCT)
Standard
70
0.87
6
0
0.0
1588.8
1588.8
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
74
57
4
13
59.0
79.7
252.7
1387.2
1639.9
White
37
32
1
4
32.5
87.8
321.6
1375.3
1697.0
Black
37
25
3
9
26.5
71.6
183.8
1399.1
1582.9
Standard
All
74
57
4
13
59.0
79.7
252.7
1387.2
1639.9
White
37
32
1
4
32.5
87.8
321.6
1375.3
1697.0
Black
37
25
3
9
26.5
71.6
183.8
1399.1
1582.9
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
104008516
Eaton, DWL (Dante)
5
4.0
4
0
1
80.0
1618.0
255.0
1873.0
View list
2
104006413
De Jager, AJ (Andreas)
4
0.5
0
1
3
12.5
1601.1
-318.8
1282.3
View list
3
105065442
Kleinhans, T (Theo)
3
3.0
3
0
0
100.0
1635.1
425.0
2060.1
View list
4
105048751
Venter, L (Lian)
3
3.0
3
0
0
100.0
1635.1
425.0
2060.1
View list
5
104009473
Fihla, LL (Lonwabo)
2
2.0
2
0
0
100.0
1641.4
425.0
2066.4
View list
6
104007000
De Wit, PJ (Petrie)
2
2.0
2
0
0
100.0
1629.7
425.0
2054.7
View list
7
103085390
Kedama, S (Sandiso)
2
2.0
2
0
0
100.0
1595.3
425.0
2020.3
View list
8
104069181
Lingard, B (Bevan)
2
2.0
2
0
0
100.0
1641.4
425.0
2066.4
View list
9
104019181
Madiba, MM (Madimetja)
2
2.0
2
0
0
100.0
1641.4
425.0
2066.4
View list
10
204050827
Williams, K (Kecia)
2
2.0
2
0
0
100.0
1595.9
425.0
2020.9
View list
11
104028947
Olkers, LP (Lleyton)
2
1.0
1
0
1
50.0
1599.4
0.0
1599.4
View list
12
104095803
Mkhize, O (Olwethu)
2
1.0
0
2
0
50.0
1641.4
0.0
1641.4
View list
13
105009732
Fourie, B (Brandon)
2
0.0
0
0
2
0.0
1641.4
-425.0
1216.4
View list
14
1030096948
Davids, L (Luciano)
1
1.0
1
0
0
100.0
1588.8
425.0
2013.8
View list
15
105046624
Crookes, J (Jonas)
1
1.0
1
0
0
100.0
1622.6
425.0
2047.6
View list
16
104069661
Clarke, N (Nathaniel)
1
1.0
1
0
0
100.0
1610.0
425.0
2035.0
View list
17
201004780
Cilliers, M (Michaela)
1
1.0
1
0
0
100.0
1602.8
425.0
2027.8
View list
18
104059592
Boshoff, C (Chris)
1
1.0
1
0
0
100.0
1580.5
425.0
2005.5
View list
19
204092711
Bhila, L (Lindokuhle)
1
1.0
1
0
0
100.0
1662.5
425.0
2087.5
View list
20
1040108915
Beni, S (Siyanda)
1
1.0
1
0
0
100.0
1598.2
425.0
2023.2
View list