Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Onyemah, I (Ifeoma)
Dob:
2011/06/24 (U14)
Gender:
Female
Chess SA id:
2110107817
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2020/02/29 (1548 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
1105.2
Curent Weighted rating
1105.2
Curent Weighted performance
512.8
Current official/published rating (highest between Raw, WR and WP)
1105.2
Current floor (min rating allowed)
628.3
Current highest rating achieved
1128.3
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)
±189.8
Current Raw change used (final)
0.0
Projected new Raw rating
1105.2
Projected new Weighed rating
1105.2
Projected new Weighted performance
512.8
Projected new official/published rating (highest between new Raw, new WR and new WP)
1105.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1128.3
Projected new floor
628.3
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
1097.4
Curent Weighted rating
1097.4
Curent Weighted performance
509.2
Current official/published rating (highest between Raw, WR and WP)
1097.4
Current floor (min rating allowed)
617.6
Current highest rating achieved
1117.6
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)
±191.9
Current Raw change used (final)
0.0
Projected new Raw rating
1097.4
Projected new Weighed rating
1097.4
Projected new Weighted performance
509.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1097.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1117.6
Projected new floor
617.6
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
1221.6
Curent Weighted rating
1221.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1221.6
Current floor (min rating allowed)
721.6
Current highest rating achieved
1221.6
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)
±160.8
Current Raw change used (final)
0.0
Projected new Raw rating
1221.6
Projected new Weighed rating
1221.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1221.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1221.6
Projected new floor
721.6
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
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
721.6
Current highest rating achieved
1200.0
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
721.6
Projected new K-facor
36
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
17
Chessnuts 1 - 29 February 2020 (Knights)
2020/02/29
2020/02/29
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.0
1095.6
1086.3
Analysis
16
JNW Club - Bryanston Open1 2020 (E)
2020/02/01
2020/02/01
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
2.0
1095.6
1086.3
Analysis
15
2019 Wild Card Chess Championship (U10 Girls)
2020/01/09
2020/01/12
4 Knights (4K)
Standard
120
1.00
7
7
3.0
1061.6
1055.9
Analysis
14
2019 South African Junior Team Championships (U10 Girls)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
6
2.0
1061.6
1055.9
Analysis
13
Chessnuts November Tournament 2019 (Pawns)
2019/11/08
2019/11/08
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.5
1037.0
1024.7
Analysis
12
GJM vs GE Inter Region 2019 (U10B)
2019/10/05
2019/10/05
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.0
1059.6
1053.9
Analysis
11
2019 Gauteng School League Finals (U9 Open)
2019/08/23
2019/08/23
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1061.1
1025.2
Analysis
10
2019 Alekhine Open (E)
2019/08/09
2019/08/09
Tshwane (GTP)
Standard
120
1.00
5
4
1.5
1061.1
1025.2
Analysis
9
JNW Club - Maragon Open 2019 (E)
2019/08/03
2019/08/03
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.0
1061.1
1025.2
Analysis
8
JHB Metro Closed 2019 (U10)
2019/07/27
2019/07/28
Johannesburg Metro (GJM)
Standard
90
0.94
6
6
2.5
1063.0
1020.4
Analysis
7
JNW Club - Hoerskool Linden 2019 (E)
2019/06/15
2019/06/15
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1104.8
1046.8
Analysis
6
Fonties Challange 2019 (U9)
2019/06/08
2019/06/08
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.0
1104.8
1046.8
Analysis
5
The Metro Open 2019 (Cadets)
2019/05/25
2019/05/25
Johannesburg Metro (GJM)
Standard
90
0.94
5
5
2.0
1070.2
1048.0
Analysis
4
Gauteng D9 Finals 2019 (U9 Girls)
2019/05/18
2019/05/18
Johannesburg Metro (GJM)
Rapid
45
0.74
5
5
3.0
1070.2
1200.0
Analysis
3
JNW Club - Bryanston Open 1 2019 (U10)
2019/01/26
2019/01/26
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
0.5
1128.3
1117.6
Analysis
2
Boksburg Open 2019 (D)
2019/01/19
2019/01/19
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.5
1128.3
1117.6
Analysis
1
GoForChess Grayston Junior Chess Championship 2018 (U8)
2018/06/10
2018/06/10
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
0.5
1200.0
1200.0
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
87
27
7
53
30.5
35.1
-127.0
1180.0
1052.9
White
41
15
3
23
16.5
40.2
-82.9
1172.1
1089.2
Black
46
12
4
30
14.0
30.4
-166.3
1186.9
1020.6
Standard
All
82
24
7
51
27.5
33.5
-139.9
1178.5
1038.6
White
39
14
3
22
15.5
39.7
-87.2
1170.7
1083.5
Black
43
10
4
29
12.0
27.9
-187.8
1185.7
997.9
Rapid
All
5
3
0
2
3.0
60.0
85.0
1203.1
1288.1
White
2
1
0
1
1.0
50.0
0.0
1200.0
1200.0
Black
3
2
0
1
2.0
66.7
141.7
1205.2
1346.9
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
210091697
Botha, A (Andrea)
3
0.5
0
1
2
16.7
1061.2
-283.3
777.9
View list
2
1110099290
Gough, R (Rowan)
3
0.0
0
0
3
0.0
1084.1
-425.0
659.1
View list
3
2100105562
Li, Y (Yangyang)
2
2.0
2
0
0
100.0
1087.5
425.0
1512.5
View list
4
210075151
Smit, A (Anika)
2
2.0
2
0
0
100.0
1061.6
425.0
1486.6
View list
5
2100108310
Maharaj, A (Arya)
2
1.5
1
1
0
75.0
1093.9
212.5
1306.4
View list
6
2110113798
Uwakata, SK (Samantha)
2
1.5
1
1
0
75.0
1082.9
212.5
1295.4
View list
7
2100097359
Bothma, J (Jaculene)
2
1.0
1
0
1
50.0
1094.9
0.0
1094.9
View list
8
210075196
Chauke, N (Nosipho)
2
1.0
1
0
1
50.0
1060.6
0.0
1060.6
View list
9
2100101517
Lovett, S (Saffron)
2
1.0
1
0
1
50.0
1094.9
0.0
1094.9
View list
10
210092814
Van Der Sandt, I (Iliana)
2
1.0
1
0
1
50.0
1062.0
0.0
1062.0
View list
11
1110112163
Chen, Y (Youlin)
2
0.0
0
0
2
0.0
1087.5
-425.0
662.5
View list
12
210092704
Deysel, H (Hannah)
2
0.0
0
0
2
0.0
1082.2
-425.0
657.2
View list
13
111092705
Moonsammy, E (Ethan)
2
0.0
0
0
2
0.0
1152.4
-425.0
727.4
View list
14
2110099599
Peete, O (Ofentse)
2
0.0
0
0
2
0.0
1094.9
-425.0
669.9
View list
15
2100115785
Trousset, A (Ariane)
2
0.0
0
0
2
0.0
1104.8
-425.0
679.8
View list
16
111092813
Van Der Merwe, E (Ethan)
2
0.0
0
0
2
0.0
1116.5
-425.0
691.5
View list
17
2110114036
Baza, P (Providence)
1
1.0
1
0
0
100.0
1070.2
425.0
1495.2
View list
18
2100114034
Dai, T (Talucia)
1
1.0
1
0
0
100.0
1070.2
425.0
1495.2
View list
19
111092267
D`Alton, E (Ezra)
1
1.0
1
0
0
100.0
1095.6
425.0
1520.6
View list
20
2110119752
Eustace, A (Ally)
1
1.0
1
0
0
100.0
1037.0
425.0
1462.0
View list