Chess South Africa
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Chess South Africa
Ngobeni, N (Njabulo)
Dob:
2006/05/21 (U20)
Gender:
Male
Chess SA id:
1060144844
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/09/01 (12 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
1518.1
Current Weighted rating
1482.8
Current Weighted performance
1430.9
Current official/published rating (highest between Raw, WR and WP)
1518.1
Current highest rating achieved
1544.9
Current floor (min rating allowed)
1044.9
Current K-factor
32
Games played this month
12
Score (S)
8.5
Expected score (We)
6.54
Difference (S-We)
1.81
Current Raw change (no limits, including tournament time weight)
57.9
Current min/max change allowed (with limits)
±105.4
Current Raw change used (final)
57.9
Projected new Raw rating
1576.0
Projected new Weighed rating
1368.8
Projected new Weighted performance
1539.3
Projected new final Raw rating (if new WP > new Raw)
1576.0
Projected new highest rating
1576.0
Projected new floor
1076.0
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1576.0
Projected effective change (new Official - current Official)
+57.9
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
1516.8
Current Weighted rating
1489.4
Current Weighted performance
1430.9
Current official/published rating (highest between Raw, WR and WP)
1516.8
Current highest rating achieved
1571.8
Current floor (min rating allowed)
1071.8
Current K-factor
32
Games played this month
12
Score (S)
8.5
Expected score (We)
6.44
Difference (S-We)
2.06
Current Raw change (no limits, including tournament time weight)
65.9
Current min/max change allowed (with limits)
±105.6
Current Raw change used (final)
65.9
Projected new Raw rating
1582.7
Projected new Weighed rating
1375.1
Projected new Weighted performance
1539.3
Projected new final Raw rating (if new WP > new Raw)
1582.7
Projected new highest rating
1582.7
Projected new floor
1082.7
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1582.7
Projected effective change (new Official - current Official)
+65.9
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
1213.6
Current Weighted rating
1208.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1213.6
Current highest rating achieved
1213.6
Current floor (min rating allowed)
713.6
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)
±162.6
Current Raw change used (final)
0.0
Projected new Raw rating
1213.6
Projected new Weighed rating
1112.4
Projected new Weighted performance
419.1
Projected new final Raw rating (if new WP > new Raw)
1213.6
Projected new highest rating
1213.6
Projected new floor
713.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1213.6
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
1191.6
Current Weighted rating
1193.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1193.8
Current highest rating achieved
1191.6
Current floor (min rating allowed)
691.6
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)
±167.8
Current Raw change used (final)
0.0
Projected new Raw rating
1191.6
Projected new Weighed rating
1098.1
Projected new Weighted performance
394.9
Projected new final Raw rating (if new WP > new Raw)
1191.6
Projected new highest rating
1191.6
Projected new floor
691.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1191.6
Projected effective change (new Official - current Official)
-2.2
Tournaments
History
Tournament:
2024 Etienne Lewis (U18+U20)
Start:
2024/08/30
End:
2024/09/01
Host:
GTP
Type:
Standard
Time:
90
Time weight:
0.94
Rounds:
7
Games:
7
Score:
4.5
Main rating:
1503.5
Rating gain/loss:
49.6
Type rating:
1498.9
Rating gain/loss:
56.0
Analysis
Tournament:
Gauteng Schools Individuals Finals 2024 (U18 Boys)
Start:
2024/08/17
End:
2024/08/17
Host:
GE
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
4.0
Main rating:
1503.5
Rating gain/loss:
8.2
Type rating:
1498.9
Rating gain/loss:
9.9
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
13
2024 Etienne Lewis (U18+U20)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
4.5
1503.5
1498.9
Analysis
12
Gauteng Schools Individuals Finals 2024 (U18 Boys)
2024/08/17
2024/08/17
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1503.5
1498.9
Analysis
11
D4 Tshwane South District Schools Teams Chess Tournament 2024 (U19B)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1518.1
1516.8
Analysis
10
2024 Midstream College Open Chess Tournament (A)
2024/07/20
2024/07/20
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1525.0
1528.0
Analysis
9
Menlopark Open Chess Tournament 2024 (A)
2024/07/13
2024/07/13
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1525.0
1528.0
Analysis
8
Chess Power House June Open 2024 (B)
2024/06/23
2024/06/23
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1513.0
1518.4
Analysis
7
2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (B)
2024/06/01
2024/06/01
Tshwane (GTP)
Standard
60
0.83
5
4
2.5
1513.0
1518.4
Analysis
6
2024 Tshwane South School District CLOSED Individual Championships (U18 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1513.3
1521.6
Analysis
5
2024 Milos Ristic Open Chess Tournament (A)
2024/04/27
2024/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1544.9
1571.8
Analysis
4
2024 KSNG CHess Academy Open Tournament (B)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1544.9
1571.8
Analysis
3
2024 Lubowski Open Chess Tournament (B)
2024/03/23
2024/03/24
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1537.4
1555.2
Analysis
2
2024 Piet Robbertse Open Chess Tournament (C)
2024/02/03
2024/02/04
Tshwane (GTP)
Standard
90
0.94
5
5
5.0
1495.3
1508.1
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U18A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
5.0
1455.6
1470.7
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
30
2024 Etienne Lewis (U18+U20)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
4.5
1503.5
1498.9
Analysis
29
Gauteng Schools Individuals Finals 2024 (U18 Boys)
2024/08/17
2024/08/17
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1503.5
1498.9
Analysis
28
D4 Tshwane South District Schools Teams Chess Tournament 2024 (U19B)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1518.1
1516.8
Analysis
27
2024 Midstream College Open Chess Tournament (A)
2024/07/20
2024/07/20
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1525.0
1528.0
Analysis
26
Menlopark Open Chess Tournament 2024 (A)
2024/07/13
2024/07/13
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1525.0
1528.0
Analysis
25
Chess Power House June Open 2024 (B)
2024/06/23
2024/06/23
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1513.0
1518.4
Analysis
24
2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (B)
2024/06/01
2024/06/01
Tshwane (GTP)
Standard
60
0.83
5
4
2.5
1513.0
1518.4
Analysis
23
2024 Tshwane South School District CLOSED Individual Championships (U18 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1513.3
1521.6
Analysis
22
2024 Milos Ristic Open Chess Tournament (A)
2024/04/27
2024/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1544.9
1571.8
Analysis
21
2024 KSNG CHess Academy Open Tournament (B)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1544.9
1571.8
Analysis
20
2024 Lubowski Open Chess Tournament (B)
2024/03/23
2024/03/24
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1537.4
1555.2
Analysis
19
2024 Piet Robbertse Open Chess Tournament (C)
2024/02/03
2024/02/04
Tshwane (GTP)
Standard
90
0.94
5
5
5.0
1495.3
1508.1
Analysis
18
2024 Gauteng Inter-Region Chess Championship (U18A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
5.0
1455.6
1470.7
Analysis
17
Chess is My Lifestyle 2023 (High School Boys)
2023/12/09
2023/12/09
Johannesburg Metro (GJM)
Rapid
30
0.60
5
5
3.0
1464.6
1200.0
Analysis
16
Tshwane Chess Arbiter Norm Blitz Tournament 2023
2023/10/29
2023/10/29
Tshwane (GTP)
Blitz
5
0.18
11
11
6.0
1498.6
1200.0
Analysis
15
Lardies Open Tournament 2023 (C)
2023/10/28
2023/10/28
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1498.6
1500.5
Analysis
14
2023 Tuks Open Chess Tournament (C)
2023/10/07
2023/10/07
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1498.6
1500.5
Analysis
13
2023 Etienne Lewis Closed Tournament (U18+U20)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
6
3.5
1495.6
1498.9
Analysis
12
2023 Lubowski Open Tournament (C)
2023/06/24
2023/06/25
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1451.4
1446.7
Analysis
11
2023 Elize Steenkamp Open Tournament (C)
2023/06/16
2023/06/17
Tshwane (GTP)
Standard
90
0.94
6
6
5.0
1451.4
1446.7
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
66
37
10
19
42.0
63.6
115.9
1436.9
1552.8
White
33
18
6
9
21.0
63.6
115.9
1428.0
1543.9
Black
33
19
4
10
21.0
63.6
115.9
1445.7
1561.6
Standard
All
66
37
10
19
42.0
63.6
115.9
1436.9
1552.8
White
33
18
6
9
21.0
63.6
115.9
1428.0
1543.9
Black
33
19
4
10
21.0
63.6
115.9
1445.7
1561.6
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
157
93
18
46
102.0
65.0
127.2
1342.3
1469.5
White
80
47
11
22
52.5
65.6
132.8
1329.4
1462.3
Black
77
46
7
24
49.5
64.3
121.4
1355.6
1477.1
Standard
All
141
85
16
40
93.0
66.0
135.6
1347.5
1483.2
White
71
41
10
20
46.0
64.8
125.7
1345.3
1471.0
Black
70
44
6
20
47.0
67.1
145.7
1349.8
1495.6
Rapid
All
5
3
0
2
3.0
60.0
85.0
1305.1
1390.1
White
3
2
0
1
2.0
66.7
141.7
1311.4
1453.0
Black
2
1
0
1
1.0
50.0
0.0
1295.7
1295.7
Blitz
All
11
5
2
4
6.0
54.5
38.6
1291.8
1330.4
White
6
4
1
1
4.5
75.0
212.5
1150.9
1363.4
Black
5
1
1
3
1.5
30.0
-170.0
1460.9
1290.9
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
107088585
Grobler, JTW (Johannes Theodorus Wessel)
3
2.5
2
1
0
83.3
1470.4
283.3
1753.7
View list
2
1080139932
Wolfaardt, J (John Eduan)
3
2.0
2
0
1
66.7
1406.5
141.7
1548.2
View list
3
1090116742
Baloyi, B (Boikanyo)
2
2.0
2
0
0
100.0
1339.8
425.0
1764.8
View list
4
1070112457
Bhula, S (Shyam Hitesh)
2
2.0
2
0
0
100.0
1315.3
425.0
1740.3
View list
5
1120109890
Grahan, T (Tylo)
2
2.0
2
0
0
100.0
1297.2
425.0
1722.2
View list
6
1130108354
Jansen Van Vuuren, G (Gianni)
2
2.0
2
0
0
100.0
1315.3
425.0
1740.3
View list
7
1090130089
Matsiokolo, G (Godisang)
2
2.0
2
0
0
100.0
1488.2
425.0
1913.2
View list
8
1090149162
Murray, H (Henry)
2
2.0
2
0
0
100.0
1286.8
425.0
1711.8
View list
9
1100148730
Nkabinde, L (Lwazi)
2
2.0
2
0
0
100.0
1482.2
425.0
1907.2
View list
10
2140135776
Roberts, F (Frans-Leigh)
2
2.0
2
0
0
100.0
1286.8
425.0
1711.8
View list
11
1090098581
Bath, X (Xavier)
2
1.5
1
1
0
75.0
1317.9
212.5
1530.4
View list
12
108090807
Mcphail, R (Ryan)
2
1.0
1
0
1
50.0
1508.4
0.0
1508.4
View list
13
199092500
Molobi, G (Gomolemo)
2
1.0
1
0
1
50.0
1518.0
0.0
1518.0
View list
14
1090161709
Msimango, M (Moremi)
2
1.0
1
0
1
50.0
1520.1
0.0
1520.1
View list
15
175000249
Adamson, LJ (Luke)
2
0.5
0
1
1
25.0
1541.2
-212.5
1328.7
View list
16
1110100045
Gondwe, P (Prosper)
2
0.5
0
1
1
25.0
1519.0
-212.5
1306.5
View list
17
1070134686
Kruger, N (Neeke)
2
0.5
0
1
1
25.0
1499.5
-212.5
1287.0
View list
18
199089714
Motsoaledi, B (Boipelo)
2
0.5
0
1
1
25.0
1184.4
-212.5
971.9
View list
19
1020190901
Takaindisa, A (Abel)
2
0.5
0
1
1
25.0
1529.0
-212.5
1316.5
View list
20
1090116741
Kekana, N (Neo)
2
0.0
0
0
2
0.0
1456.5
-425.0
1031.5
View list