Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Dumasi, N (Nceba)
Dob:
2002/04/26 (Adult)
Gender:
Male
Chess SA id:
102087698
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2019/04/27 (1866 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
1308.8
Curent Weighted rating
1308.8
Curent Weighted performance
456.5
Current official/published rating (highest between Raw, WR and WP)
1308.8
Current floor (min rating allowed)
808.8
Current highest rating achieved
1308.8
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)
±142.0
Current Raw change used (final)
0.0
Projected new Raw rating
1308.8
Projected new Weighed rating
1308.8
Projected new Weighted performance
456.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1308.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1308.8
Projected new floor
808.8
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
1304.7
Curent Weighted rating
1304.7
Curent Weighted performance
455.0
Current official/published rating (highest between Raw, WR and WP)
1304.7
Current floor (min rating allowed)
804.7
Current highest rating achieved
1304.7
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)
±142.8
Current Raw change used (final)
0.0
Projected new Raw rating
1304.7
Projected new Weighed rating
1304.7
Projected new Weighted performance
455.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1304.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1304.7
Projected new floor
804.7
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
851.2
Curent Weighted rating
851.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
851.2
Current floor (min rating allowed)
500.0
Current highest rating achieved
851.2
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)
±272.5
Current Raw change used (final)
0.0
Projected new Raw rating
851.2
Projected new Weighed rating
851.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
851.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
851.2
Projected new floor
500.0
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
851.2
Curent Weighted rating
851.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
851.2
Current floor (min rating allowed)
500.0
Current highest rating achieved
851.2
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)
±272.5
Current Raw change used (final)
0.0
Projected new Raw rating
851.2
Projected new Weighed rating
851.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
851.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
851.2
Projected new floor
500.0
Projected new K-facor
40
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
8
2019 Chris Greyling (B)
2019/04/27
2019/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1278.8
1272.6
Analysis
7
2019 Waterkloof Open (C)
2019/03/02
2019/03/03
Tshwane (GTP)
Standard
90
0.94
5
5
4.0
1188.4
1185.7
Analysis
6
Grey College Team Championship 2019 (B)
2019/02/22
2019/02/23
Mangaung (FMB)
Standard
60
0.83
5
5
5.0
1076.7
1078.4
Analysis
5
South African Junior Team Championships 2018 (U18B)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
5.5
1010.2
1019.6
Analysis
4
2018 Etienne Lewis Trials (U20)
2018/08/31
2018/09/02
Tshwane (GTP)
Standard
120
1.00
7
6
2.5
992.6
1004.8
Analysis
3
2018 Gauteng League Final (U17)
2018/08/25
2018/08/25
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
962.1
969.6
Analysis
2
2018 Tshwane Registration Open Chess Tournament (C)
2018/01/27
2018/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
851.2
851.2
Analysis
1
South African Junior Team Championships 2017 (U16B)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
6
4.5
851.2
851.2
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
44
26
5
13
28.5
64.8
125.6
1087.9
1213.4
White
25
14
4
7
16.0
64.0
119.0
1058.1
1177.1
Black
19
12
1
6
12.5
65.8
134.2
1127.1
1261.3
Standard
All
44
26
5
13
28.5
64.8
125.6
1087.9
1213.4
White
25
14
4
7
16.0
64.0
119.0
1058.1
1177.1
Black
19
12
1
6
12.5
65.8
134.2
1127.1
1261.3
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
201079539
Amrouni, G (Gabrielle)
2
0.5
0
1
1
25.0
1135.7
-212.5
923.2
View list
2
1040109772
Marshall, L (Lorenscious)
1
1.0
1
0
0
100.0
1076.7
425.0
1501.7
View list
3
101044645
Maharaj, K (Kiashen)
1
1.0
1
0
0
100.0
1278.8
425.0
1703.8
View list
4
102019052
Mabuse, K (Katlego)
1
1.0
1
0
0
100.0
851.2
425.0
1276.2
View list
5
100014232
Jonas, LF (Lesedi)
1
1.0
1
0
0
100.0
851.2
425.0
1276.2
View list
6
201078484
Janse Van Rensburg, N (Natasha)
1
1.0
1
0
0
100.0
992.6
425.0
1417.6
View list
7
1070096808
Jacobs, A (Angelo)
1
1.0
1
0
0
100.0
1188.4
425.0
1613.4
View list
8
101011523
Guneliev, AA (Andrey)
1
1.0
1
0
0
100.0
1010.2
425.0
1435.2
View list
9
1120104109
Bowers, M (Mpho)
1
1.0
1
0
0
100.0
1188.4
425.0
1613.4
View list
10
101054184
Botha, A (Austen)
1
1.0
1
0
0
100.0
1010.2
425.0
1435.2
View list
11
104002361
Blignaut, JF (Jacques)
1
1.0
1
0
0
100.0
851.2
425.0
1276.2
View list
12
110089428
Anderson, AP (Aidan)
1
1.0
1
0
0
100.0
1188.4
425.0
1613.4
View list
13
101055286
De Wet, E (Erasmus)
1
1.0
1
0
0
100.0
1076.7
425.0
1501.7
View list
14
1020097974
Melissas, M (Johnny)
1
1.0
1
0
0
100.0
1010.2
425.0
1435.2
View list
15
103090695
Mokhantso, T (Thato)
1
1.0
1
0
0
100.0
962.1
425.0
1387.1
View list
16
105065850
Neethling, JC (Jandre Constantene)
1
1.0
1
0
0
100.0
1188.4
425.0
1613.4
View list
17
202048079
Pienaar, LH (Lelanie)
1
1.0
1
0
0
100.0
851.2
425.0
1276.2
View list
18
102088576
Pillay, Y (Yastiel)
1
1.0
1
0
0
100.0
992.6
425.0
1417.6
View list
19
101061351
Pule, L (Lesedi)
1
1.0
1
0
0
100.0
962.1
425.0
1387.1
View list
20
103088395
Ramjee, S (Sharik)
1
1.0
1
0
0
100.0
1076.7
425.0
1501.7
View list