Chess South Africa
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Chess South Africa
Oleh, O (Onyekachi)
Dob:
2015/11/30 (U10)
Gender:
Male
Chess SA id:
1150303498
FIDE id:
Region:
Buffalo City (EBC)
Citizen:
RSA
Title(s):
Last active:
2024/06/08 (15 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
1178.1
Current Weighted rating
1198.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1198.2
Current highest rating achieved
1178.1
Current floor (min rating allowed)
678.1
Current K-factor
40
Games played this month
5
Score (S)
2.0
Expected score (We)
2.47
Difference (S-We)
-0.39
Current Raw change (no limits, including tournament time weight)
-15.6
Current min/max change allowed (with limits)
±171.1
Current Raw change used (final)
-15.6
Projected new Raw rating
1162.5
Projected new Weighed rating
1102.3
Projected new Weighted performance
654.5
Projected new final Raw rating (if new WP > new Raw)
1162.5
Projected new highest rating
1178.1
Projected new floor
678.1
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1162.5
Projected effective change (new Official - current Official)
-35.8
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
1173.2
Current Weighted rating
1197.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1197.9
Current highest rating achieved
1173.2
Current floor (min rating allowed)
673.2
Current K-factor
40
Games played this month
5
Score (S)
2.0
Expected score (We)
2.45
Difference (S-We)
-0.45
Current Raw change (no limits, including tournament time weight)
-18.0
Current min/max change allowed (with limits)
±172.3
Current Raw change used (final)
-18.0
Projected new Raw rating
1155.2
Projected new Weighed rating
1101.9
Projected new Weighted performance
654.5
Projected new final Raw rating (if new WP > new Raw)
1155.2
Projected new highest rating
1173.2
Projected new floor
673.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1155.2
Projected effective change (new Official - current Official)
-42.7
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
Tournament:
4th BC Trials 2024 (U10B)
Start:
2024/06/08
End:
2024/06/08
Host:
EBC
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
2.0
Main rating:
1178.1
Rating gain/loss:
-15.6
Type rating:
1173.2
Rating gain/loss:
-18.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
2
4th BC Trials 2024 (U10B)
2024/06/08
2024/06/08
Buffalo City (EBC)
Standard
60
0.83
5
5
2.0
1178.1
1173.2
Analysis
1
3rd BC Trials 2024 (U10B)
2024/05/11
2024/05/11
Buffalo City (EBC)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
4th BC Trials 2024 (U10B)
2024/06/08
2024/06/08
Buffalo City (EBC)
Standard
60
0.83
5
5
2.0
1178.1
1173.2
Analysis
1
3rd BC Trials 2024 (U10B)
2024/05/11
2024/05/11
Buffalo City (EBC)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
10
4
0
6
4.0
40.0
-85.0
1185.7
1100.7
White
6
2
0
4
2.0
33.3
-141.7
1181.0
1039.3
Black
4
2
0
2
2.0
50.0
0.0
1192.8
1192.8
Standard
All
10
4
0
6
4.0
40.0
-85.0
1185.7
1100.7
White
6
2
0
4
2.0
33.3
-141.7
1181.0
1039.3
Black
4
2
0
2
2.0
50.0
0.0
1192.8
1192.8
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
10
4
0
6
4.0
40.0
-85.0
1185.7
1100.7
White
6
2
0
4
2.0
33.3
-141.7
1181.0
1039.3
Black
4
2
0
2
2.0
50.0
0.0
1192.8
1192.8
Standard
All
10
4
0
6
4.0
40.0
-85.0
1185.7
1100.7
White
6
2
0
4
2.0
33.3
-141.7
1181.0
1039.3
Black
4
2
0
2
2.0
50.0
0.0
1192.8
1192.8
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
1150300917
Lin, Y (Yifan)
2
0.0
0
0
2
0.0
1189.0
-425.0
764.0
View list
2
1150303494
Bokolo, A (Awande)
1
1.0
1
0
0
100.0
1178.1
425.0
1603.1
View list
3
1160303493
Blayi, A (Awande)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1180306175
Kapp, M (Michael)
1
1.0
1
0
0
100.0
1178.1
425.0
1603.1
View list
5
1150300920
Mpunga, N (Naluvuyo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
1180303499
Xu, J (Jiayi)
1
0.0
0
0
1
0.0
1178.1
-425.0
753.1
View list
7
1150191752
Kuo, C (Chih-Hsun)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
1150160305
Gambiza, A (Asante)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
1150300915
Bushula, A (Alunamda)
1
0.0
0
0
1
0.0
1178.1
-425.0
753.1
View list