Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
O'Niell, S (Stephan)
Dob:
2006/07/26 (U20)
Gender:
Male
Chess SA id:
1060152833
FIDE id:
Region:
Frances Baard (NCF)
Citizen:
RSA
Title(s):
Last active:
2024/03/02 (79 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
1250.7
Curent Weighted rating
1229.1
Curent Weighted performance
1171.2
Current official/published rating (highest between Raw, WR and WP)
1250.7
Current floor (min rating allowed)
761.9
Current highest rating achieved
1261.9
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)
±154.3
Current Raw change used (final)
0.0
Projected new Raw rating
1250.7
Projected new Weighed rating
1231.6
Projected new Weighted performance
1171.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1250.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1261.9
Projected new floor
761.9
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
1270.3
Curent Weighted rating
1234.6
Curent Weighted performance
1198.9
Current official/published rating (highest between Raw, WR and WP)
1270.3
Current floor (min rating allowed)
770.3
Current highest rating achieved
1270.3
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)
±150.0
Current Raw change used (final)
0.0
Projected new Raw rating
1270.3
Projected new Weighed rating
1238.4
Projected new Weighted performance
1198.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1270.3
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1270.3
Projected new floor
770.3
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
1178.0
Curent Weighted rating
1196.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1196.6
Current floor (min rating allowed)
700.0
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)
±171.1
Current Raw change used (final)
0.0
Projected new Raw rating
1178.0
Projected new Weighed rating
1194.9
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1194.9
Projected effective change (new Official - current Official)
-1.6
Projected new highest rating
1200.0
Projected new floor
700.0
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)
700.0
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
700.0
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
2
2024 Frances Baard Schools Teams (High School)
2024/03/02
2024/03/02
Frances Baard (NCF)
Rapid
30
0.60
5
5
2.0
1261.9
1200.0
Analysis
1
2024 Frances Baard Schools Open II (U19)
2024/02/17
2024/02/17
Frances Baard (NCF)
Standard
62
0.84
5
5
3.5
1230.1
1232.9
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
6
2024 Frances Baard Schools Teams (High School)
2024/03/02
2024/03/02
Frances Baard (NCF)
Rapid
30
0.60
5
5
2.0
1261.9
1200.0
Analysis
5
2024 Frances Baard Schools Open II (U19)
2024/02/17
2024/02/17
Frances Baard (NCF)
Standard
62
0.84
5
5
3.5
1230.1
1232.9
Analysis
4
2023 Northern Cape Closed Chess Championships (U18 Open)
2023/08/25
2023/08/27
Frances Baard (NCF)
Standard
92
0.94
5
4
2.0
1220.1
1223.5
Analysis
3
Frances Baard Schools Open III 2023 (U17)
2023/08/05
2023/08/05
Frances Baard (NCF)
Standard
62
0.84
5
5
3.0
1220.1
1223.5
Analysis
2
Frances Baard Schools Trials 2023 (U18 Boys)
2023/05/27
2023/05/27
Frances Baard (NCF)
Standard
62
0.84
5
5
2.5
1219.2
1222.4
Analysis
1
Frances Baard School Open II 2023 (U17)
2023/03/18
2023/03/18
Frances Baard (NCF)
Standard
62
0.84
5
5
3.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
10
5
1
4
5.5
55.0
42.5
1248.0
1290.5
White
5
2
1
2
2.5
50.0
0.0
1267.0
1267.0
Black
5
3
0
2
3.0
60.0
85.0
1229.0
1314.0
Standard
All
5
3
1
1
3.5
70.0
170.0
1244.4
1414.4
White
3
1
1
1
1.5
50.0
0.0
1274.1
1274.1
Black
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
Rapid
All
5
2
0
3
2.0
40.0
-85.0
1251.5
1166.5
White
2
1
0
1
1.0
50.0
0.0
1256.4
1256.4
Black
3
1
0
2
1.0
33.3
-141.7
1248.3
1106.6
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
29
15
2
12
16.0
55.2
44.0
1222.3
1266.3
White
14
7
2
5
8.0
57.1
60.7
1236.7
1297.4
Black
15
8
0
7
8.0
53.3
28.3
1208.9
1237.3
Standard
All
24
13
2
9
14.0
58.3
70.8
1216.3
1287.1
White
12
6
2
4
7.0
58.3
70.8
1233.4
1304.2
Black
12
7
0
5
7.0
58.3
70.8
1199.1
1270.0
Rapid
All
5
2
0
3
2.0
40.0
-85.0
1251.5
1166.5
White
2
1
0
1
1.0
50.0
0.0
1256.4
1256.4
Black
3
1
0
2
1.0
33.3
-141.7
1248.3
1106.6
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
2070110636
Mathamela, O (Omphemetse)
2
1.0
1
0
1
50.0
1231.0
0.0
1231.0
View list
2
1050156807
Louw, S (Shaun)
2
0.5
0
1
1
25.0
1224.7
-212.5
1012.2
View list
3
2070159376
Mabilo, R (Ratang)
1
1.0
1
0
0
100.0
1220.1
425.0
1645.1
View list
4
206050681
Ahjum, J (Jordan)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1070142026
Dawson, L (Liam)
1
1.0
1
0
0
100.0
1220.1
425.0
1645.1
View list
6
1090156109
Cader, G (Ghamza)
1
1.0
1
0
0
100.0
1261.9
425.0
1686.9
View list
7
1060192435
Brekfis, L (Liyema)
1
1.0
1
0
0
100.0
1230.1
425.0
1655.1
View list
8
1050192437
Gift, M (Moltale)
1
1.0
1
0
0
100.0
1230.1
425.0
1655.1
View list
9
1070142028
Gene-April, K (Keeran)
1
1.0
1
0
0
100.0
1220.1
425.0
1645.1
View list
10
1100156772
Gabaikangwe, K (Kutlwano)
1
1.0
1
0
0
100.0
1261.9
425.0
1686.9
View list
11
2070156819
March, A (Atlegang)
1
1.0
1
0
0
100.0
1220.1
425.0
1645.1
View list
12
1050145187
Maputle, K (Katlego)
1
1.0
1
0
0
100.0
1230.1
425.0
1655.1
View list
13
1060156804
Katlanie, G (Goitsione)
1
1.0
1
0
0
100.0
1219.2
425.0
1644.2
View list
14
2070152827
Lottering, Z (Zoey)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
15
1060156816
Strydom, R (Ruan)
1
1.0
1
0
0
100.0
1219.2
425.0
1644.2
View list
16
1070142041
Van Wyk, I (Ivano)
1
1.0
1
0
0
100.0
1220.1
425.0
1645.1
View list
17
1050156805
Kesekile, T (Tsholofelo)
1
0.5
0
1
0
50.0
1219.2
0.0
1219.2
View list
18
1060161454
Molefe, N (Nkemiso)
1
0.0
0
0
1
0.0
1220.1
-425.0
795.1
View list
19
106083693
Malgas, O (Omogolo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
20
107064238
Grove, E (Enrique)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list