Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Mthayi, O (Onikwa)
Dob:
2009/06/07 (U16)
Gender:
Male
Chess SA id:
1090145681
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2023/10/14 (217 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
1311.1
Curent Weighted rating
1292.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1311.1
Current floor (min rating allowed)
811.1
Current highest rating achieved
1311.1
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)
±141.5
Current Raw change used (final)
0.0
Projected new Raw rating
1311.1
Projected new Weighed rating
1295.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1311.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1311.1
Projected new floor
811.1
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
1252.0
Curent Weighted rating
1228.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1252.0
Current floor (min rating allowed)
752.0
Current highest rating achieved
1252.0
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)
±154.0
Current Raw change used (final)
0.0
Projected new Raw rating
1252.0
Projected new Weighed rating
1231.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1252.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1252.0
Projected new floor
752.0
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
1350.7
Curent Weighted rating
1337.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1350.7
Current floor (min rating allowed)
850.7
Current highest rating achieved
1350.7
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)
±133.8
Current Raw change used (final)
0.0
Projected new Raw rating
1350.7
Projected new Weighed rating
1339.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1350.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1350.7
Projected new floor
850.7
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)
850.7
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
850.7
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
4
Paarl Boys High Chess Festival 2023 (2nd Division)
2023/10/13
2023/10/14
Cape Winelands (WCW)
Standard
60
0.83
6
6
4.0
1293.5
1200.0
Analysis
3
CW Top Schools 2023 (U15 Mix)
2023/08/26
2023/08/26
Cape Winelands (WCW)
Rapid
32
0.63
5
5
3.0
1273.1
1338.1
Analysis
2
Courtrai Midas Rapid 2023 (U14)
2023/03/04
2023/03/04
Cape Winelands (WCW)
Rapid
13
0.35
5
5
4.0
1250.4
1281.6
Analysis
1
Stellenbosch Primary 2022 (U13)
2022/08/13
2022/08/13
Cape Winelands (WCW)
Rapid
30
0.60
6
6
5.0
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
22
16
0
6
16.0
72.7
193.2
1268.3
1461.4
White
11
7
0
4
7.0
63.6
115.9
1280.9
1396.8
Black
11
9
0
2
9.0
81.8
270.5
1255.7
1526.1
Standard
All
6
4
0
2
4.0
66.7
141.7
1233.3
1375.0
White
3
2
0
1
2.0
66.7
141.7
1202.0
1343.7
Black
3
2
0
1
2.0
66.7
141.7
1264.6
1406.2
Rapid
All
16
12
0
4
12.0
75.0
212.5
1281.4
1493.9
White
8
5
0
3
5.0
62.5
106.3
1310.4
1416.7
Black
8
7
0
1
7.0
87.5
318.8
1252.3
1571.1
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
1090098025
De Klerk, H (Hanro)
2
2.0
2
0
0
100.0
1236.5
425.0
1661.5
View list
2
1090137478
Koopman, J (Jayden)
1
1.0
1
0
0
100.0
1250.4
425.0
1675.4
View list
3
1090107483
Janse Van Rensburg, A (Arden)
1
1.0
1
0
0
100.0
1293.5
425.0
1718.5
View list
4
1090107941
Grobbelaar, A (Altus)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
109078326
Geldenhuys, L (Leathon)
1
1.0
1
0
0
100.0
1250.4
425.0
1675.4
View list
6
1100139433
Dotwana, N (Nelani)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
1090146165
Calitz, Z (Zandre)
1
1.0
1
0
0
100.0
1293.5
425.0
1718.5
View list
8
1080149843
Bukani, H (Howard-Lee)
1
1.0
1
0
0
100.0
1273.1
425.0
1698.1
View list
9
1100155949
Aphane, N (Ndumiso)
1
1.0
1
0
0
100.0
1293.5
425.0
1718.5
View list
10
2090119072
Mbambalala, O (Owam)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
11
1090153068
Mapfumo, A (Arthur)
1
1.0
1
0
0
100.0
1250.4
425.0
1675.4
View list
12
1080157809
Louw, J (Josua)
1
1.0
1
0
0
100.0
1293.5
425.0
1718.5
View list
13
1080137611
Odell, E (Eugene)
1
1.0
1
0
0
100.0
1273.1
425.0
1698.1
View list
14
1100139441
Mqolo, A (Awonke)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
15
1100153070
Pienaar, N (Naude)
1
1.0
1
0
0
100.0
1250.4
425.0
1675.4
View list
16
109083238
Strydom, MJ (Matthys)
1
0.0
0
0
1
0.0
1273.1
-425.0
848.1
View list
17
108083939
Rosenberg, W (Wagheed)
1
0.0
0
0
1
0.0
1273.1
-425.0
848.1
View list
18
1060137638
Pieters, G (Gethan)
1
0.0
0
0
1
0.0
1293.5
-425.0
868.5
View list
19
1100135522
Oosthuizen, E (Ethan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
20
1080135526
Moko, K (Khaya)
1
0.0
0
0
1
0.0
1293.5
-425.0
868.5
View list