Chess South Africa
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Chess South Africa
Zhang, B (Boyan)
Dob:
2009/10/01 (U16)
Gender:
Male
Chess SA id:
1090306297
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2024/06/19 (9 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
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
6
Score (S)
3.0
Expected score (We)
3.13
Difference (S-We)
-0.06
Current Raw change (no limits, including tournament time weight)
-2.4
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
-2.4
Projected new Raw rating
1197.6
Projected new Weighed rating
1104.0
Projected new Weighted performance
372.8
Projected new final Raw rating (if new WP > new Raw)
1197.6
Projected new highest rating
1197.6
Projected new floor
697.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1197.6
Projected effective change (new Official - current Official)
-2.4
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
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
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
6
Score (S)
3.0
Expected score (We)
3.25
Difference (S-We)
-0.25
Current Raw change (no limits, including tournament time weight)
-10.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
-10.0
Projected new Raw rating
1190.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
392.5
Projected new final Raw rating (if new WP > new Raw)
1190.0
Projected new highest rating
1190.0
Projected new floor
690.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1190.0
Projected effective change (new Official - current Official)
-10.0
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
Tournament:
Rylib Winter Slam 2024 (Development)
Start:
2024/06/19
End:
2024/06/19
Host:
WCT
Type:
Rapid
Time:
20
Time weight:
0.47
Rounds:
6
Games:
6
Score:
3.0
Main rating:
1200.0
Rating gain/loss:
-2.4
Type rating:
1200.0
Rating gain/loss:
-10.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Rylib Winter Slam 2024 (Development)
2024/06/19
2024/06/19
Cape Town (WCT)
Rapid
20
0.47
6
6
3.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
1
Rylib Winter Slam 2024 (Development)
2024/06/19
2024/06/19
Cape Town (WCT)
Rapid
20
0.47
6
6
3.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
6
3
0
3
3.0
50.0
0.0
1181.0
1181.0
White
3
2
0
1
2.0
66.7
141.7
1178.1
1319.8
Black
3
1
0
2
1.0
33.3
-141.7
1183.9
1042.3
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
6
3
0
3
3.0
50.0
0.0
1181.0
1181.0
White
3
2
0
1
2.0
66.7
141.7
1178.1
1319.8
Black
3
1
0
2
1.0
33.3
-141.7
1183.9
1042.3
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
6
3
0
3
3.0
50.0
0.0
1181.0
1181.0
White
3
2
0
1
2.0
66.7
141.7
1178.1
1319.8
Black
3
1
0
2
1.0
33.3
-141.7
1183.9
1042.3
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
6
3
0
3
3.0
50.0
0.0
1181.0
1181.0
White
3
2
0
1
2.0
66.7
141.7
1178.1
1319.8
Black
3
1
0
2
1.0
33.3
-141.7
1183.9
1042.3
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
1160158124
Manitshane, A (Anovuyo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1120158292
Johnston, R (Reece)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1130306262
Arora, A (Ansh)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1130148299
Sinclair, D (Dino)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1690306270
De Kock, B (Brandon)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
1070306264
Baker, O (Orlando)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
