Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Ngwangwa, N (Nonhlanhla)
Dob:
2010/11/25 (U16)
Gender:
Female
Chess SA id:
2100145853
FIDE id:
Ngwangwa
Region:
West Rand (GWR)
Citizen:
RSA
Title(s):
Last active:
2024/06/15 (7 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
1318.1
Current Weighted rating
1360.1
Current Weighted performance
1145.0
Current official/published rating (highest between Raw, WR and WP)
1360.1
Current highest rating achieved
1470.3
Current floor (min rating allowed)
970.3
Current K-factor
32
Games played this month
10
Score (S)
6.0
Expected score (We)
4.36
Difference (S-We)
1.52
Current Raw change (no limits, including tournament time weight)
48.7
Current min/max change allowed (with limits)
±140.1
Current Raw change used (final)
48.7
Projected new Raw rating
1366.8
Projected new Weighed rating
1253.4
Projected new Weighted performance
1295.1
Projected new final Raw rating (if new WP > new Raw)
1366.8
Projected new highest rating
1470.3
Projected new floor
970.3
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1366.8
Projected effective change (new Official - current Official)
+6.7
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
1328.2
Current Weighted rating
1370.3
Current Weighted performance
1176.4
Current official/published rating (highest between Raw, WR and WP)
1370.3
Current highest rating achieved
1468.7
Current floor (min rating allowed)
968.7
Current K-factor
32
Games played this month
5
Score (S)
4.0
Expected score (We)
1.75
Difference (S-We)
2.25
Current Raw change (no limits, including tournament time weight)
72.0
Current min/max change allowed (with limits)
±138.1
Current Raw change used (final)
72.0
Projected new Raw rating
1400.2
Projected new Weighed rating
1262.8
Projected new Weighted performance
1348.7
Projected new final Raw rating (if new WP > new Raw)
1400.2
Projected new highest rating
1468.7
Projected new floor
968.7
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1400.2
Projected effective change (new Official - current Official)
+29.9
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
1185.9
Current Weighted rating
1213.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1213.4
Current highest rating achieved
1273.4
Current floor (min rating allowed)
773.4
Current K-factor
36
s
Games played this month
5
Score (S)
2.0
Expected score (We)
2.13
Difference (S-We)
-0.13
Current Raw change (no limits, including tournament time weight)
-4.7
Current min/max change allowed (with limits)
±169.2
Current Raw change used (final)
-4.7
Projected new Raw rating
1181.2
Projected new Weighed rating
1116.6
Projected new Weighted performance
1183.2
Projected new final Raw rating (if new WP > new Raw)
1183.2
Projected new highest rating
1273.4
Projected new floor
773.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1183.2
Projected effective change (new Official - current Official)
-30.2
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
Tournament:
Chess Molecules Open Chess Tournament 2024 (High School Girls)
Start:
2024/06/15
End:
2024/06/15
Host:
GJM
Type:
Rapid
Time:
30
Time weight:
0.60
Rounds:
5
Games:
5
Score:
2.0
Main rating:
1318.1
Rating gain/loss:
-13.4
Type rating:
1185.9
Rating gain/loss:
-4.7
Analysis
Tournament:
JMC Trinityhouse Little Falls 2024 (C)
Start:
2024/06/02
End:
2024/06/02
Host:
GJM
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
4.0
Main rating:
1318.1
Rating gain/loss:
62.2
Type rating:
1328.2
Rating gain/loss:
72.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
6
Chess Molecules Open Chess Tournament 2024 (High School Girls)
2024/06/15
2024/06/15
Johannesburg Metro (GJM)
Rapid
30
0.60
5
5
2.0
1318.1
1185.9
Analysis
5
JMC Trinityhouse Little Falls 2024 (C)
2024/06/02
2024/06/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1318.1
1328.2
Analysis
4
Chess Power House May Open 2024 (B)
2024/05/25
2024/05/25
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
1.0
1348.4
1367.6
Analysis
3
2024 KSNG CHess Academy Open Tournament (D1)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1338.6
1361.2
Analysis
2
Chess Power House 1st Rapid 2024 (A)
2024/02/24
2024/02/24
Johannesburg Metro (GJM)
Rapid
20
0.47
5
5
1.0
1370.5
1273.4
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U14A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
1.0
1407.8
1401.2
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
16
Chess Molecules Open Chess Tournament 2024 (High School Girls)
2024/06/15
2024/06/15
Johannesburg Metro (GJM)
Rapid
30
0.60
5
5
2.0
1318.1
1185.9
Analysis
15
JMC Trinityhouse Little Falls 2024 (C)
2024/06/02
2024/06/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1318.1
1328.2
Analysis
14
Chess Power House May Open 2024 (B)
2024/05/25
2024/05/25
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
1.0
1348.4
1367.6
Analysis
13
2024 KSNG CHess Academy Open Tournament (D1)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1338.6
1361.2
Analysis
12
Chess Power House 1st Rapid 2024 (A)
2024/02/24
2024/02/24
Johannesburg Metro (GJM)
Rapid
20
0.47
5
5
1.0
1370.5
1273.4
Analysis
11
2024 Gauteng Inter-Region Chess Championship (U14A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
1.0
1407.8
1401.2
Analysis
10
Chess is My Lifestyle 2023 (Grade 5-7)
2023/12/09
2023/12/09
Johannesburg Metro (GJM)
Rapid
30
0.60
5
5
4.0
1400.9
1222.6
Analysis
9
Gauteng Soncini Finals 2023 (Girls)
2023/10/28
2023/10/28
Ekurhuleni (GE)
Rapid
20
0.47
5
5
3.0
1457.3
1224.0
Analysis
8
West Rand vs Bojanala Inter-Regional Championships 2023 (U14)
2023/10/14
2023/10/14
West Rand (GWR)
Standard
60
0.83
5
5
1.0
1457.3
1466.5
Analysis
7
Chess Molecules Rapid 2023 (Grade 5-7)
2023/09/23
2023/09/23
Ekurhuleni (GE)
Rapid
30
0.60
5
5
3.0
1470.3
1200.0
Analysis
6
2023 West Rand Trials (U14)
2023/09/09
2023/09/09
West Rand (GWR)
Standard
60
0.83
5
4
3.0
1470.3
1468.7
Analysis
5
2023 Gauteng Top Schools (U13 Girls)
2023/08/18
2023/08/18
West Rand (GWR)
Standard
60
0.83
5
5
3.5
1389.8
1413.9
Analysis
4
ThinkChess Tournament 29 July 2023
2023/07/29
2023/07/29
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1359.3
1382.9
Analysis
3
Gauteng Schools Individual Finals 2023 (U13 Girls)
2023/05/26
2023/05/26
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.5
1333.0
1358.1
Analysis
2
West Rand Juniors 2023 (U14)
2023/03/18
2023/03/18
West Rand (GWR)
Standard
60
0.83
5
5
5.0
1251.1
1261.6
Analysis
1
2022 Gauteng Schools Team Championships (U13 Girls)
2022/08/27
2022/08/27
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
29
11
1
17
11.5
39.7
-87.9
1361.8
1273.8
White
13
6
0
7
6.0
46.2
-32.7
1360.2
1327.5
Black
16
5
1
10
5.5
34.4
-132.8
1363.0
1230.2
Standard
All
19
8
1
10
8.5
44.7
-44.7
1407.9
1363.2
White
8
4
0
4
4.0
50.0
0.0
1415.8
1415.8
Black
11
4
1
6
4.5
40.9
-77.3
1402.2
1324.9
Rapid
All
10
3
0
7
3.0
30.0
-170.0
1274.1
1104.1
White
5
2
0
3
2.0
40.0
-85.0
1271.3
1186.3
Black
5
1
0
4
1.0
20.0
-255.0
1276.9
1021.9
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
78
44
3
31
45.5
58.3
70.8
1310.4
1381.2
White
37
24
1
12
24.5
66.2
137.8
1292.7
1430.5
Black
41
20
2
19
21.0
51.2
10.4
1326.4
1336.8
Standard
All
53
31
3
19
32.5
61.3
96.2
1329.6
1425.9
White
26
16
1
9
16.5
63.5
114.4
1323.2
1437.6
Black
27
15
2
10
16.0
59.3
78.7
1335.9
1414.6
Rapid
All
25
13
0
12
13.0
52.0
17.0
1269.6
1286.6
White
11
8
0
3
8.0
72.7
193.2
1220.6
1413.8
Black
14
5
0
9
5.0
35.7
-121.4
1308.2
1186.7
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
1110115390
Jonker, R (Reagan)
2
2.0
2
0
0
100.0
1360.7
425.0
1785.7
View list
2
2120147298
Petersen, Farah
2
2.0
2
0
0
100.0
1435.6
425.0
1860.6
View list
3
2100097359
Bothma, J (Jaculene)
2
1.0
1
0
1
50.0
1423.5
0.0
1423.5
View list
4
110091691
Barker, R (Ryan)
1
1.0
1
0
0
100.0
1318.1
425.0
1743.1
View list
5
1100150831
Baburam, K (Kailum)
1
1.0
1
0
0
100.0
1251.1
425.0
1676.1
View list
6
1110140213
De Jager, G (Gideon)
1
1.0
1
0
0
100.0
1407.8
425.0
1832.8
View list
7
2100160873
Dlamini, M (Mbalenhle)
1
1.0
1
0
0
100.0
1389.8
425.0
1814.8
View list
8
1120152460
Elangbam, K (Kernick)
1
1.0
1
0
0
100.0
1400.9
425.0
1825.9
View list
9
2110143289
Dube, N (Neo)
1
1.0
1
0
0
100.0
1389.8
425.0
1814.8
View list
10
1090157435
Du Toit, C (Colenso)
1
1.0
1
0
0
100.0
1338.6
425.0
1763.6
View list
11
2100145818
Greeff, L (Lanelle Leeandra)
1
1.0
1
0
0
100.0
1457.3
425.0
1882.3
View list
12
2120135696
Hu-Grobbelaar, L (Lalu)
1
1.0
1
0
0
100.0
1359.3
425.0
1784.3
View list
13
2120162438
Igwe, P (Pamela)
1
1.0
1
0
0
100.0
1470.3
425.0
1895.3
View list
14
1100153402
Isabirye, K (Kajua)
1
1.0
1
0
0
100.0
1359.3
425.0
1784.3
View list
15
1120162440
Joseph, S (Solomon)
1
1.0
1
0
0
100.0
1470.3
425.0
1895.3
View list
16
1120136689
Kalimashe, T (Tshireletso)
1
1.0
1
0
0
100.0
1251.1
425.0
1676.1
View list
17
2100112735
Koen , K (Kaylee-Jane)
1
1.0
1
0
0
100.0
1333.0
425.0
1758.0
View list
18
1160158569
Makobela, L (Leano)
1
1.0
1
0
0
100.0
1359.3
425.0
1784.3
View list
19
1130300249
Mankena, S (Satvik Ram)
1
1.0
1
0
0
100.0
1318.1
425.0
1743.1
View list
20
1110155956
Maponya, W (Warona)
1
1.0
1
0
0
100.0
1338.6
425.0
1763.6
View list