Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Ngculana, Z (Zachuma)
Dob:
2006/03/14 (U20)
Gender:
Male
Chess SA id:
106066546
FIDE id:
Region:
Buffalo City (EBC)
Citizen:
RSA
Title(s):
Last active:
2024/02/24 (123 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
1186.9
Current Weighted rating
1157.3
Current Weighted performance
1125.9
Current official/published rating (highest between Raw, WR and WP)
1186.9
Current highest rating achieved
1200.3
Current floor (min rating allowed)
700.3
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)
±168.9
Current Raw change used (final)
0.0
Projected new Raw rating
1186.9
Projected new Weighed rating
1068.7
Projected new Weighted performance
1125.9
Projected new final Raw rating (if new WP > new Raw)
1186.9
Projected new highest rating
1200.3
Projected new floor
700.3
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1186.9
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
1213.4
Current Weighted rating
1186.5
Current Weighted performance
1125.9
Current official/published rating (highest between Raw, WR and WP)
1213.4
Current highest rating achieved
1238.6
Current floor (min rating allowed)
738.6
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)
±162.7
Current Raw change used (final)
0.0
Projected new Raw rating
1213.4
Projected new Weighed rating
1096.2
Projected new Weighted performance
1125.9
Projected new final Raw rating (if new WP > new Raw)
1213.4
Projected new highest rating
1238.6
Projected new floor
738.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1213.4
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
840.9
Current Weighted rating
646.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
840.9
Current highest rating achieved
840.9
Current floor (min rating allowed)
500.0
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)
±276.6
Current Raw change used (final)
0.0
Projected new Raw rating
840.9
Projected new Weighed rating
599.8
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
840.9
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
840.9
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
500.0
Current Weighted rating
500.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
500.0
Current highest rating achieved
500.0
Current floor (min rating allowed)
500.0
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)
±449.5
Current Raw change used (final)
0.0
Projected new Raw rating
500.0
Projected new Weighed rating
460.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
500.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
500.0
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Grey College Team Championship 2024 (B)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
5
2.0
1200.3
1238.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
15
Grey College Team Championship 2024 (B)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
5
2.0
1200.3
1238.6
Analysis
14
4th BC HS Trials 2023 (U18A-Adult)
2023/08/26
2023/08/26
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.0
1124.9
1154.6
Analysis
13
Senior Vikings 2023 (U18A)
2023/02/11
2023/02/11
Buffalo City (EBC)
Standard
60
0.83
5
5
3.0
952.3
950.6
Analysis
12
Grey College Team Championship 2023 (B)
2023/02/03
2023/02/04
Mangaung (FMB)
Standard
60
0.83
5
5
4.0
952.3
950.6
Analysis
11
Buffalo City Trials 3 of 5 2019 (U14A)
2019/04/13
2019/04/13
Buffalo City (EBC)
Standard
60
0.83
5
5
1.0
972.6
977.4
Analysis
10
Buffalo City Trials 1 of 5 2019 (U14)
2019/02/09
2019/02/09
Buffalo City (EBC)
Standard
60
0.83
5
5
3.0
914.8
904.6
Analysis
9
South African Junior Team Championships 2018 (U14E)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
3.0
915.2
912.2
Analysis
8
5th Vikings League 2018 (A)
2018/11/01
2018/11/01
Buffalo City (EBC)
Standard
60
0.83
5
4
0.5
945.1
944.2
Analysis
7
4th Vikings League 208 (B)
2018/10/18
2018/10/18
Buffalo City (EBC)
Standard
60
0.83
5
5
3.0
914.6
911.4
Analysis
6
Buffalo Open 29 September 2018
2018/09/29
2018/09/29
Buffalo City (EBC)
Standard
60
0.83
5
4
2.0
684.9
712.4
Analysis
5
Swiss Vikings vs South Park 1st 2018
2018/09/01
2018/09/01
Buffalo City (EBC)
Standard
60
0.83
5
5
2.0
684.9
712.4
Analysis
4
1st Border Vikings Chess League 2018 (B)
2018/07/28
2018/07/28
Buffalo City (EBC)
Standard
60
0.83
5
5
4.0
571.7
577.2
Analysis
3
5th Buffalo Trials 2018 (U14A)
2018/05/26
2018/05/26
Buffalo City (EBC)
Standard
60
0.83
5
4
1.0
583.7
598.4
Analysis
2
2nd Buffalo Trials 2018 (U14A)
2018/03/17
2018/03/17
Buffalo City (EBC)
Standard
60
0.83
5
5
2.0
577.4
593.2
Analysis
1
Buffalo City 1st Chess Trials 2018 (U14B)
2018/02/17
2018/02/17
Buffalo City (EBC)
Standard
60
0.83
5
5
3.5
500.0
500.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
2
0
3
2.0
40.0
-85.0
1215.3
1130.3
White
3
1
0
2
1.0
33.3
-141.7
1231.8
1090.1
Black
2
1
0
1
1.0
50.0
0.0
1190.6
1190.6
Standard
All
5
2
0
3
2.0
40.0
-85.0
1215.3
1130.3
White
3
1
0
2
1.0
33.3
-141.7
1231.8
1090.1
Black
2
1
0
1
1.0
50.0
0.0
1190.6
1190.6
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
74
36
2
36
37.0
50.0
0.0
1040.8
1040.8
White
38
16
2
20
17.0
44.7
-44.7
1028.7
984.0
Black
36
20
0
16
20.0
55.6
47.2
1053.5
1100.7
Standard
All
74
36
2
36
37.0
50.0
0.0
1040.8
1040.8
White
38
16
2
20
17.0
44.7
-44.7
1028.7
984.0
Black
36
20
0
16
20.0
55.6
47.2
1053.5
1100.7
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
106066545
Matayo, L (Liyema)
3
1.5
1
1
1
50.0
710.0
0.0
710.0
View list
2
207065272
Dove, M (Megan)
2
1.0
1
0
1
50.0
772.2
0.0
772.2
View list
3
1060099424
Gwababa, L (Langa)
2
1.0
1
0
1
50.0
746.1
0.0
746.1
View list
4
1060097302
Nel, C (Christiaan)
2
1.0
1
0
1
50.0
736.3
0.0
736.3
View list
5
2070104204
Pafa, A (Aqhama)
2
1.0
1
0
1
50.0
628.3
0.0
628.3
View list
6
207054337
Jikijela, A (Anisha)
2
0.0
0
0
2
0.0
772.2
-425.0
347.2
View list
7
106065267
Becker, M (Matthew)
2
0.0
0
0
2
0.0
746.1
-425.0
321.1
View list
8
110088674
Chang, S (Samuel)
2
0.0
0
0
2
0.0
815.0
-425.0
390.0
View list
9
1050136235
Brown, X (Xavier)
1
1.0
1
0
0
100.0
952.3
425.0
1377.3
View list
10
106066543
Bovu, I (Inga)
1
1.0
1
0
0
100.0
571.7
425.0
996.7
View list
11
1070097287
Basin, L (Louis)
1
1.0
1
0
0
100.0
972.6
425.0
1397.6
View list
12
105083300
Gopakumar, A (Akhil)
1
1.0
1
0
0
100.0
577.4
425.0
1002.4
View list
13
105067212
Goliath, J (Juwain)
1
1.0
1
0
0
100.0
577.4
425.0
1002.4
View list
14
1070153856
Gabela, L (Lomzi)
1
1.0
1
0
0
100.0
1124.9
425.0
1549.9
View list
15
2060136995
Jacobs, C (Christine)
1
1.0
1
0
0
100.0
952.3
425.0
1377.3
View list
16
109078830
Johnson, A (Ashar)
1
1.0
1
0
0
100.0
952.3
425.0
1377.3
View list
17
108092864
Lombaard, A (Adriaan)
1
1.0
1
0
0
100.0
914.6
425.0
1339.6
View list
18
1120131139
Mabhera, J (Jedidiah)
1
1.0
1
0
0
100.0
1124.9
425.0
1549.9
View list
19
1000106164
Mabinya, S (Sikhona)
1
1.0
1
0
0
100.0
684.9
425.0
1109.9
View list
20
208088689
Manadan, A (Anina)
1
1.0
1
0
0
100.0
914.6
425.0
1339.6
View list