Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Khumalo, O (Olwethu)
Dob:
2007/07/07 (U18)
Gender:
Male
Chess SA id:
1070107566
FIDE id:
Region:
Ethekwini (KED)
Citizen:
RSA
Title(s):
Last active:
2023/03/04 (479 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
1172.0
Current Weighted rating
1173.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1173.1
Current highest rating achieved
1207.8
Current floor (min rating allowed)
707.8
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)
±172.6
Current Raw change used (final)
0.0
Projected new Raw rating
1172.0
Projected new Weighed rating
1079.1
Projected new Weighted performance
660.5
Projected new final Raw rating (if new WP > new Raw)
1172.0
Projected new highest rating
1207.8
Projected new floor
707.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1172.0
Projected effective change (new Official - current Official)
-1.1
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
1154.8
Current Weighted rating
1155.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1155.8
Current highest rating achieved
1162.8
Current floor (min rating allowed)
662.8
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)
±176.8
Current Raw change used (final)
0.0
Projected new Raw rating
1154.8
Projected new Weighed rating
1063.2
Projected new Weighted performance
429.2
Projected new final Raw rating (if new WP > new Raw)
1154.8
Projected new highest rating
1162.8
Projected new floor
662.8
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1154.8
Projected effective change (new Official - current Official)
-1.0
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
1188.0
Current Weighted rating
1188.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1188.0
Current highest rating achieved
1220.0
Current floor (min rating allowed)
720.0
Current K-factor
36
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)
±168.7
Current Raw change used (final)
0.0
Projected new Raw rating
1188.0
Projected new Weighed rating
1093.0
Projected new Weighted performance
381.8
Projected new final Raw rating (if new WP > new Raw)
1188.0
Projected new highest rating
1220.0
Projected new floor
720.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1188.0
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
1200.0
Current floor (min rating allowed)
700.0
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
5
Dolphin Coast Chess Club 2023 (Senior Primary)
2023/03/04
2023/03/04
iLembe (KIK)
Standard
60
0.83
5
5
2.0
1181.0
1162.8
Analysis
4
Ilembe Junior Rapid 2023 (Open)
2023/02/18
2023/02/18
iLembe (KIK)
Rapid
30
0.60
5
0
0.0
1181.0
1188.0
Analysis
3
Mandeni Open 2021 (A)
2021/12/21
2021/12/21
iLembe (KIK)
Rapid
20
0.47
5
5
2.0
1178.5
1220.0
Analysis
2
2019 Umhlathuze Summer Championship (U12)
2019/10/05
2019/10/05
King Cetshwayo (KUR)
Standard
60
0.83
5
5
2.0
1207.8
1200.0
Analysis
1
10th JGZF Open Team Event 2018
2018/12/20
2018/12/20
iLembe (KIK)
Rapid
15
0.39
5
4
2.5
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
19
8
1
10
8.5
44.7
-44.7
1204.4
1159.7
White
9
6
0
3
6.0
66.7
141.7
1166.4
1308.0
Black
10
2
1
7
2.5
25.0
-212.5
1238.6
1026.1
Standard
All
10
4
0
6
4.0
40.0
-85.0
1167.4
1082.4
White
5
2
0
3
2.0
40.0
-85.0
1143.2
1058.2
Black
5
2
0
3
2.0
40.0
-85.0
1191.5
1106.5
Rapid
All
9
4
1
4
4.5
50.0
0.0
1245.5
1245.5
White
4
4
0
0
4.0
100.0
425.0
1195.3
1620.3
Black
5
0
1
4
0.5
10.0
-340.0
1285.7
945.7
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
2080119190
Hlabisa, S (Snethemba)
1
1.0
1
0
0
100.0
1207.8
425.0
1632.8
View list
2
1100151881
Govender, C (Connor)
1
1.0
1
0
0
100.0
1181.0
425.0
1606.0
View list
3
1120151882
Khuzwayo, M (Melisizwe)
1
1.0
1
0
0
100.0
1181.0
425.0
1606.0
View list
4
2080107565
Khumalo, O (Owami)
1
1.0
1
0
0
100.0
1178.5
425.0
1603.5
View list
5
2080119179
Mhlongo, T (Thembekile)
1
1.0
1
0
0
100.0
1207.8
425.0
1632.8
View list
6
1070136293
Ngema, A (Asenhle)
1
1.0
1
0
0
100.0
1178.5
425.0
1603.5
View list
7
2110107534
Mthethwa, N (Nokukhanya)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
2090107563
Ntshangase, Z (Ziyanda)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
9
1110107538
Ngubane, BB (Bahlebonke)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
10
1860107531
Ngubane, LW (Lindokuhle)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
11
1720136296
Xulu, M (Musawenkosi)
1
0.0
0
0
1
0.0
1178.5
-425.0
753.5
View list
12
108077553
Wynne, J (Jesse)
1
0.0
0
0
1
0.0
1207.8
-425.0
782.8
View list
13
1130135992
Walters, T (Tom)
1
0.0
0
0
1
0.0
1181.0
-425.0
756.0
View list
14
108087428
Sibiya, M (Mlangazeli)
1
0.0
0
0
1
0.0
1207.8
-425.0
782.8
View list
15
2110136048
Pascoe, E (Emily)
1
0.0
0
0
1
0.0
1181.0
-425.0
756.0
View list
16
104073219
Mthembu, C (Clive)
1
0.0
0
0
1
0.0
1178.5
-425.0
753.5
View list
17
2090117038
Mbeje, A (Aphiwe)
1
0.0
0
0
1
0.0
1207.8
-425.0
782.8
View list
18
1120137047
Hough, J (Joshua)
1
0.0
0
0
1
0.0
1181.0
-425.0
756.0
View list
19
103077886
Chili, M (Mlondi)
1
0.0
0
0
1
0.0
1178.5
-425.0
753.5
View list