Chess South Africa
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Chess South Africa
Chen, Z (Zhiyan)
Dob:
2010/08/13 (U16)
Gender:
Female
Chess SA id:
2100301898
FIDE id:
Region:
Ethekwini (KED)
Citizen:
RSA
Title(s):
Last active:
2024/04/14 (225 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
1191.4
Current Weighted rating
1195.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1195.8
Current highest rating achieved
1191.4
Current floor (min rating allowed)
691.4
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)
±167.9
Current Raw change used (final)
0.0
Projected new Raw rating
1191.4
Projected new Weighed rating
1100.0
Projected new Weighted performance
357.7
Projected new final Raw rating (if new WP > new Raw)
1191.4
Projected new highest rating
1191.4
Projected new floor
691.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1191.4
Projected effective change (new Official - current Official)
-4.4
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
1188.0
Current Weighted rating
1194.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1194.1
Current highest rating achieved
1188.0
Current floor (min rating allowed)
688.0
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)
±168.7
Current Raw change used (final)
0.0
Projected new Raw rating
1188.0
Projected new Weighed rating
1098.4
Projected new Weighted performance
357.7
Projected new final Raw rating (if new WP > new Raw)
1188.0
Projected new highest rating
1188.0
Projected new floor
688.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1188.0
Projected effective change (new Official - current Official)
-6.1
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
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)
±165.8
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
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
1
2024 ECA 1st Youth Trials (U16)
2024/04/13
2024/04/14
Ethekwini (KED)
Standard
60
0.83
6
6
2.5
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
1
2024 ECA 1st Youth Trials (U16)
2024/04/13
2024/04/14
Ethekwini (KED)
Standard
60
0.83
6
6
2.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
6
2
1
3
2.5
41.7
-70.8
1233.5
1162.6
White
3
1
1
1
1.5
50.0
0.0
1209.6
1209.6
Black
3
1
0
2
1.0
33.3
-141.7
1257.3
1115.6
Standard
All
6
2
1
3
2.5
41.7
-70.8
1233.5
1162.6
White
3
1
1
1
1.5
50.0
0.0
1209.6
1209.6
Black
3
1
0
2
1.0
33.3
-141.7
1257.3
1115.6
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
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
6
2
1
3
2.5
41.7
-70.8
1233.5
1162.6
White
3
1
1
1
1.5
50.0
0.0
1209.6
1209.6
Black
3
1
0
2
1.0
33.3
-141.7
1257.3
1115.6
Standard
All
6
2
1
3
2.5
41.7
-70.8
1233.5
1162.6
White
3
1
1
1
1.5
50.0
0.0
1209.6
1209.6
Black
3
1
0
2
1.0
33.3
-141.7
1257.3
1115.6
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
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
1090156609
Charless, Z (Zaine)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1100301902
Ngema, N (Nsindiso)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1100162117
Makaza, T (Thabo)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
4
1090157512
Nhlangulela, P (Phumlani)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1100111146
Ndunakazi, S (Siyabonga)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
1090301899
Gokal, D (Dev)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
