Chess South Africa
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Chess South Africa
Ngubeni, JM (Jackie)
Dob:
1962/10/17 (Adult)
Gender:
Male
Chess SA id:
162027530
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
PA
Last active:
2024/03/23 (28 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
1414.7
Curent Weighted rating
1532.6
Curent Weighted performance
1361.7
Current official/published rating (highest between Raw, WR and WP)
1532.6
Current floor (min rating allowed)
1219.0
Current highest rating achieved
1719.0
Current K-factor
28
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)
±122.1
Current Raw change used (final)
0.0
Projected new Raw rating
1414.7
Projected new Weighed rating
1521.8
Projected new Weighted performance
1361.7
Projected new official/published rating (highest between new Raw, new WR and new WP)
1521.8
Projected effective change (new Official - current Official)
-10.8
Projected new highest rating
1719.0
Projected new floor
1219.0
Projected new K-facor
28
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
1394.6
Curent Weighted rating
1512.8
Curent Weighted performance
1361.3
Current official/published rating (highest between Raw, WR and WP)
1512.8
Current floor (min rating allowed)
1219.0
Current highest rating achieved
1719.0
Current K-factor
28
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)
±125.7
Current Raw change used (final)
0.0
Projected new Raw rating
1394.6
Projected new Weighed rating
1501.5
Projected new Weighted performance
1361.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1501.5
Projected effective change (new Official - current Official)
-11.3
Projected new highest rating
1719.0
Projected new floor
1219.0
Projected new K-facor
28
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
1592.9
Curent Weighted rating
1582.9
Curent Weighted performance
1217.4
Current official/published rating (highest between Raw, WR and WP)
1592.9
Current floor (min rating allowed)
1219.0
Current highest rating achieved
1719.0
Current K-factor
28
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)
±94.7
Current Raw change used (final)
0.0
Projected new Raw rating
1592.9
Projected new Weighed rating
1584.7
Projected new Weighted performance
1217.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1592.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1719.0
Projected new floor
1219.0
Projected new K-facor
28
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
1570.7
Curent Weighted rating
1599.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1599.0
Current floor (min rating allowed)
1219.0
Current highest rating achieved
1719.0
Current K-factor
28
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)
±97.8
Current Raw change used (final)
0.0
Projected new Raw rating
1570.7
Projected new Weighed rating
1595.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1595.8
Projected effective change (new Official - current Official)
-3.1
Projected new highest rating
1719.0
Projected new floor
1219.0
Projected new K-facor
28
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
6
1st Knights Open Tournament 2024 (B)
2024/03/23
2024/03/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1513.1
1501.0
Analysis
5
2024 Chris Greyling Open Chess Tournament (B)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1513.1
1501.0
Analysis
4
DR KKD Ferdies Mar 2024 (A)
2024/03/02
2024/03/02
Dr Kenneth Kaunda (NWP)
Standard
60
0.83
5
5
2.0
1513.1
1501.0
Analysis
3
Randburg Chess Club New Year Swiss 2024
2024/02/06
2024/02/06
Johannesburg Metro (GJM)
Standard
90
0.94
7
7
3.5
1513.1
1501.0
Analysis
2
2024 Piet Robbertse Open Chess Tournament (A)
2024/02/03
2024/02/04
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1498.6
1480.6
Analysis
1
Randburg New Year Rapid 2024
2024/01/23
2024/01/30
Johannesburg Metro (GJM)
Rapid
25
0.54
6
6
2.0
1513.6
1660.9
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
36
1st Knights Open Tournament 2024 (B)
2024/03/23
2024/03/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1513.1
1501.0
Analysis
35
2024 Chris Greyling Open Chess Tournament (B)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1513.1
1501.0
Analysis
34
DR KKD Ferdies Mar 2024 (A)
2024/03/02
2024/03/02
Dr Kenneth Kaunda (NWP)
Standard
60
0.83
5
5
2.0
1513.1
1501.0
Analysis
33
Randburg Chess Club New Year Swiss 2024
2024/02/06
2024/02/06
Johannesburg Metro (GJM)
Standard
90
0.94
7
7
3.5
1513.1
1501.0
Analysis
32
2024 Piet Robbertse Open Chess Tournament (A)
2024/02/03
2024/02/04
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1498.6
1480.6
Analysis
31
Randburg New Year Rapid 2024
2024/01/23
2024/01/30
Johannesburg Metro (GJM)
Rapid
25
0.54
6
6
2.0
1513.6
1660.9
Analysis
30
Africawide Chess Championship 2023 (Open)
2023/11/03
2023/11/05
Johannesburg Metro (GJM)
Standard
90
0.94
7
6
2.0
1514.7
1486.3
Analysis
29
2023 Moja Chess Extravaganza (Blitz)
2023/10/03
2023/10/03
Frances Baard (NCF)
Blitz
5
0.18
7
7
3.0
1528.8
1626.1
Analysis
28
2023 Moja Chess Extravaganza (B)
2023/09/30
2023/10/04
Frances Baard (NCF)
Standard
120
1.00
9
9
5.0
1528.8
1492.5
Analysis
27
2023 Thomas Lechelele North West Open (Presige)
2023/09/15
2023/09/16
Dr Kenneth Kaunda (NWP)
Standard
90
0.94
7
6
2.0
1568.5
1526.7
Analysis
26
Chess Power House 2023 (A)
2023/08/19
2023/08/20
Johannesburg Metro (GJM)
Standard
90
0.94
5
4
0.0
1598.3
1560.9
Analysis
25
Randburg Club Championship Rapid 2023
2023/08/15
2023/08/22
Johannesburg Metro (GJM)
Rapid
25
0.54
6
6
4.0
1598.3
1590.5
Analysis
24
Eureka Open 2023 (A)
2023/07/29
2023/07/29
Sedibeng (GSV)
Standard
60
0.83
5
4
0.0
1637.8
1603.5
Analysis
23
2023 Lubowski Open Tournament (A)
2023/06/24
2023/06/25
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1572.6
1569.9
Analysis
22
Randburg Mid-Year Themed Rapid 2023
2023/05/30
2023/06/06
Johannesburg Metro (GJM)
Rapid
25
0.54
6
6
5.0
1572.6
1548.8
Analysis
21
Moja Open 2022 (Prestige)
2022/03/19
2022/03/22
Frances Baard (NCF)
Standard
120
1.00
7
6
2.0
1578.2
1573.8
Analysis
20
JMC @ Pinnacle 2022 (Premier)
2022/02/19
2022/02/20
Johannesburg Metro (GJM)
Standard
90
0.94
5
5
1.0
1614.5
1611.3
Analysis
19
Pinnacle College Waterfall Open (Premier)
2021/10/02
2021/10/03
Johannesburg Metro (GJM)
Standard
90
0.94
6
6
2.0
1637.9
1634.0
Analysis
18
Spring at The King`s Gate 2021 (A)
2021/09/11
2021/09/11
Bojanala Platina (NBR)
Standard
60
0.83
5
5
4.0
1578.4
1587.4
Analysis
17
2021 Gauteng North Open Tournament (A)
2021/08/28
2021/08/29
Tshwane (GTP)
Standard
90
0.94
5
4
2.0
1578.4
1591.0
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
33
13
1
19
13.5
40.9
-77.3
1476.1
1398.8
White
19
9
1
9
9.5
50.0
0.0
1469.4
1469.4
Black
14
4
0
10
4.0
28.6
-182.1
1485.2
1303.1
Standard
All
27
11
1
15
11.5
42.6
-63.0
1467.3
1404.3
White
16
8
1
7
8.5
53.1
26.6
1452.8
1479.4
Black
11
3
0
8
3.0
27.3
-193.2
1488.3
1295.1
Rapid
All
6
2
0
4
2.0
33.3
-141.7
1515.8
1374.1
White
3
1
0
2
1.0
33.3
-141.7
1557.5
1415.8
Black
3
1
0
2
1.0
33.3
-141.7
1474.0
1332.3
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
207
100
5
102
102.5
49.5
-4.1
1534.7
1530.6
White
106
56
3
47
57.5
54.2
36.1
1518.9
1555.0
Black
101
44
2
55
45.0
44.6
-46.3
1551.4
1505.1
Standard
All
147
68
4
75
70.0
47.6
-20.2
1524.3
1504.0
White
76
39
3
34
40.5
53.3
28.0
1492.5
1520.5
Black
71
29
1
41
29.5
41.5
-71.8
1558.3
1486.4
Rapid
All
35
19
0
16
19.0
54.3
36.4
1528.6
1565.0
White
18
12
0
6
12.0
66.7
141.7
1550.0
1691.7
Black
17
7
0
10
7.0
41.2
-75.0
1506.0
1431.0
Blitz
All
25
13
1
11
13.5
54.0
34.0
1604.9
1638.9
White
12
5
0
7
5.0
41.7
-70.8
1639.3
1568.5
Black
13
8
1
4
8.5
65.4
130.8
1573.2
1704.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1570160789
Tracey, T (Terence)
3
3.0
3
0
0
100.0
1541.7
425.0
1966.7
View list
2
198056522
Teeke, K (Karabo)
3
1.0
1
0
2
33.3
1623.9
-141.7
1482.3
View list
3
1930111397
Ruchaka, K (Kenneth)
3
0.0
0
0
3
0.0
1605.2
-425.0
1180.2
View list
4
179057929
Essop, H (Haroon)
2
2.0
2
0
0
100.0
1555.7
425.0
1980.7
View list
5
1070104078
Price, DR (Daelen)
2
1.5
1
1
0
75.0
1586.8
212.5
1799.3
View list
6
155015320
Kgosi, BV (Bushy)
2
1.0
1
0
1
50.0
1567.5
0.0
1567.5
View list
7
182017839
Lesuthu, KM (Kali)
2
1.0
1
0
1
50.0
1595.0
0.0
1595.0
View list
8
184016728
Makhosonke, KM (Kuhlase)
2
1.0
1
0
1
50.0
1602.3
0.0
1602.3
View list
9
106067184
Mthembu, L (Lebogang)
2
1.0
1
0
1
50.0
1632.5
0.0
1632.5
View list
10
1100103439
Mungal, E (Ethan)
2
1.0
1
0
1
50.0
1543.1
0.0
1543.1
View list
11
1080103221
Nwedo, K (Khodani)
2
1.0
1
0
1
50.0
1593.5
0.0
1593.5
View list
12
1130116883
Tak, R (Rannveer)
2
1.0
1
0
1
50.0
1543.1
0.0
1543.1
View list
13
169042155
Vorster, SPM (Stephanus)
2
1.0
1
0
1
50.0
1568.2
0.0
1568.2
View list
14
107059584
Molusi, K (Katlego)
2
0.5
0
1
1
25.0
1540.8
-212.5
1328.3
View list
15
103007373
Dinham, J (James)
2
0.0
0
0
2
0.0
1617.9
-425.0
1192.9
View list
16
110086011
Felix, R (Raphael)
2
0.0
0
0
2
0.0
1593.5
-425.0
1168.5
View list
17
194076242
Mavuso, GT (Godfrey)
2
0.0
0
0
2
0.0
1587.7
-425.0
1162.7
View list
18
101050584
Mazibuko, K (Khanya)
2
0.0
0
0
2
0.0
1585.4
-425.0
1160.4
View list
19
194026329
Mwale, J (Joseph)
2
0.0
0
0
2
0.0
1567.8
-425.0
1142.8
View list
20
184027327
Nene, TH (Themba)
2
0.0
0
0
2
0.0
1599.0
-425.0
1174.0
View list