Chess South Africa
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Chess South Africa
Potgieter, E (Edward)
Dob:
2008/12/08 (U18)
Gender:
Male
Chess SA id:
108076196
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2024/07/13 (14 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
1936.4
Current Weighted rating
1825.1
Current Weighted performance
1918.9
Current official/published rating (highest between Raw, WR and WP)
1936.4
Current highest rating achieved
1936.4
Current floor (min rating allowed)
1436.4
Current K-factor
24
Games played this month
12
Score (S)
8.5
Expected score (We)
6.70
Difference (S-We)
1.08
Current Raw change (no limits, including tournament time weight)
25.9
Current min/max change allowed (with limits)
±58.1
Current Raw change used (final)
25.9
Projected new Raw rating
1962.3
Projected new Weighed rating
1682.3
Projected new Weighted performance
1970.4
Projected new final Raw rating (if new WP > new Raw)
1970.4
Projected new highest rating
1970.4
Projected new floor
1470.4
Projected new K-facor
24
Projected new official/published rating (highest between new Raw, new WR and new WP)
1970.4
Projected effective change (new Official - current Official)
+34.0
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
1945.9
Current Weighted rating
1824.9
Current Weighted performance
1918.9
Current official/published rating (highest between Raw, WR and WP)
1945.9
Current highest rating achieved
1945.9
Current floor (min rating allowed)
1445.9
Current K-factor
24
Games played this month
5
Score (S)
3.5
Expected score (We)
2.60
Difference (S-We)
0.90
Current Raw change (no limits, including tournament time weight)
21.6
Current min/max change allowed (with limits)
±57.3
Current Raw change used (final)
21.6
Projected new Raw rating
1967.5
Projected new Weighed rating
1682.0
Projected new Weighted performance
1972.4
Projected new final Raw rating (if new WP > new Raw)
1972.4
Projected new highest rating
1972.4
Projected new floor
1472.4
Projected new K-facor
24
Projected new official/published rating (highest between new Raw, new WR and new WP)
1972.4
Projected effective change (new Official - current Official)
+26.5
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
1667.2
Current Weighted rating
1399.3
Current Weighted performance
1683.6
Current official/published rating (highest between Raw, WR and WP)
1683.6
Current highest rating achieved
1667.2
Current floor (min rating allowed)
1167.2
Current K-factor
28
s
Games played this month
7
Score (S)
5.0
Expected score (We)
3.14
Difference (S-We)
1.86
Current Raw change (no limits, including tournament time weight)
52.1
Current min/max change allowed (with limits)
±85.2
Current Raw change used (final)
52.1
Projected new Raw rating
1719.3
Projected new Weighed rating
1298.2
Projected new Weighted performance
1811.6
Projected new final Raw rating (if new WP > new Raw)
1811.6
Projected new highest rating
1811.6
Projected new floor
1311.6
Projected new K-facor
24
Projected new official/published rating (highest between new Raw, new WR and new WP)
1811.6
Projected effective change (new Official - current Official)
+128.0
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
1629.4
Current Weighted rating
1541.8
Current Weighted performance
1462.9
Current official/published rating (highest between Raw, WR and WP)
1629.4
Current highest rating achieved
1629.4
Current floor (min rating allowed)
1129.4
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)
±89.9
Current Raw change used (final)
0.0
Projected new Raw rating
1629.4
Projected new Weighed rating
1422.4
Projected new Weighted performance
1462.9
Projected new final Raw rating (if new WP > new Raw)
1629.4
Projected new highest rating
1629.4
Projected new floor
1129.4
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1629.4
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Tournament:
JMC Trinityhouse Randpark Ridge 2024 (A)
Start:
2024/07/13
End:
2024/07/13
Host:
GJM
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
3.5
Main rating:
1936.4
Rating gain/loss:
17.1
Type rating:
1945.9
Rating gain/loss:
21.6
Analysis
Tournament:
JMC NG Weltevreden Church 2024
Start:
2024/06/29
End:
2024/06/29
Host:
GJM
Type:
Rapid
Time:
15
Time weight:
0.39
Rounds:
7
Games:
7
Score:
5.0
Main rating:
1936.4
Rating gain/loss:
8.8
Type rating:
1667.2
Rating gain/loss:
52.1
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
13
JMC Trinityhouse Randpark Ridge 2024 (A)
2024/07/13
2024/07/13
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.5
1936.4
1945.9
Analysis
12
JMC NG Weltevreden Church 2024
2024/06/29
2024/06/29
Johannesburg Metro (GJM)
Rapid
15
0.39
7
7
5.0
1936.4
1667.2
Analysis
11
2024 African Youth Chess Championship
2024/06/16
2024/06/22
South Africa (RSA)
Standard
120
1.00
9
9
5.0
1885.3
1888.5
Analysis
10
JMC Trinityhouse Little Falls 2024 (A)
2024/06/02
2024/06/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.5
1885.3
1888.5
Analysis
9
JMC Helpmekaar Kollege Tournament 2024 (A)
2024/05/04
2024/05/04
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1897.5
1893.8
Analysis
8
South African Junior Closed Chess Championship 2024 (U16 Open)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
6.0
1897.5
1893.8
Analysis
7
2024 KSNG CHess Academy Open Tournament (Prestige)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1883.8
1875.3
Analysis
6
2024 Lubowski Open Chess Tournament (A)
2024/03/23
2024/03/24
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1895.8
1883.2
Analysis
5
Grey College Team Championship 2024 (A)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
5
4.0
1890.3
1889.7
Analysis
4
Gear Up Mzansi Rapid 2024 (Expert)
2024/02/17
2024/02/17
Johannesburg Metro (GJM)
Rapid
35
0.66
5
5
2.0
1890.3
1593.2
Analysis
3
JMC Kick Off Tournament 2024 (A)
2024/01/28
2024/01/28
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1821.9
1821.3
Analysis
2
2024 Gauteng Inter-Region Chess Championship (U16A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
4.0
1821.9
1821.3
Analysis
1
Cape Town Masters Challenge 2024 (Masters)
2024/01/03
2024/01/07
Cape Town (WCT)
Standard
120
1.00
9
9
5.5
1821.9
1821.3
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
132
JMC Trinityhouse Randpark Ridge 2024 (A)
2024/07/13
2024/07/13
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.5
1936.4
1945.9
Analysis
131
JMC NG Weltevreden Church 2024
2024/06/29
2024/06/29
Johannesburg Metro (GJM)
Rapid
15
0.39
7
7
5.0
1936.4
1667.2
Analysis
130
2024 African Youth Chess Championship
2024/06/16
2024/06/22
South Africa (RSA)
Standard
120
1.00
9
9
5.0
1885.3
1888.5
Analysis
129
JMC Trinityhouse Little Falls 2024 (A)
2024/06/02
2024/06/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.5
1885.3
1888.5
Analysis
128
JMC Helpmekaar Kollege Tournament 2024 (A)
2024/05/04
2024/05/04
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1897.5
1893.8
Analysis
127
South African Junior Closed Chess Championship 2024 (U16 Open)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
6.0
1897.5
1893.8
Analysis
126
2024 KSNG CHess Academy Open Tournament (Prestige)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1883.8
1875.3
Analysis
125
2024 Lubowski Open Chess Tournament (A)
2024/03/23
2024/03/24
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1895.8
1883.2
Analysis
124
Grey College Team Championship 2024 (A)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
5
4.0
1890.3
1889.7
Analysis
123
Gear Up Mzansi Rapid 2024 (Expert)
2024/02/17
2024/02/17
Johannesburg Metro (GJM)
Rapid
35
0.66
5
5
2.0
1890.3
1593.2
Analysis
122
JMC Kick Off Tournament 2024 (A)
2024/01/28
2024/01/28
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1821.9
1821.3
Analysis
121
2024 Gauteng Inter-Region Chess Championship (U16A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
4.0
1821.9
1821.3
Analysis
120
Cape Town Masters Challenge 2024 (Masters)
2024/01/03
2024/01/07
Cape Town (WCT)
Standard
120
1.00
9
9
5.5
1821.9
1821.3
Analysis
119
Mzansi Summer Blitz 2023
2023/12/09
2023/12/09
Johannesburg Metro (GJM)
Rapid
10
0.29
7
7
4.0
1799.9
1272.0
Analysis
118
Mzansi Bryanston Rapid 2023 (Advanced)
2023/10/07
2023/10/07
Johannesburg Metro (GJM)
Rapid
25
0.54
5
5
3.0
1800.0
1218.0
Analysis
117
Helpmekaar Kollege Blitz Chess Invitational Sep 2023
2023/09/16
2023/09/16
Johannesburg Metro (GJM)
Blitz
8
0.25
9
8
7.0
1812.1
1493.0
Analysis
116
Mzansi Spring Rapid 2023
2023/09/02
2023/09/02
Johannesburg Metro (GJM)
Rapid
15
0.39
7
6
3.5
1812.1
1151.6
Analysis
115
Shlosspark Open 2023
2023/08/24
2023/08/27
Germany (GER)
Standard
150
1.00
7
7
3.5
1734.7
1726.5
Analysis
114
Lichtenberg Summer 2023
2023/08/12
2023/08/20
Germany (GER)
Standard
150
1.00
9
8
5.0
1734.7
1726.5
Analysis
113
Bautzener Türme Open A 2023
2023/08/08
2023/08/13
Germany (GER)
Standard
150
1.00
9
8
4.5
1734.7
1726.5
Analysis
1
2
3
4
5
6
7
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
79
39
19
21
48.5
61.4
96.8
1851.3
1948.1
White
41
21
12
8
27.0
65.9
134.8
1840.6
1975.3
Black
38
18
7
13
21.5
56.6
55.9
1862.9
1918.8
Standard
All
67
33
17
17
41.5
61.9
101.5
1835.2
1936.7
White
34
19
10
5
24.0
70.6
175.0
1819.5
1994.5
Black
33
14
7
12
17.5
53.0
25.8
1851.4
1877.2
Rapid
All
12
6
2
4
7.0
58.3
70.8
1941.1
2012.0
White
7
2
2
3
3.0
42.9
-60.7
1943.1
1882.3
Black
5
4
0
1
4.0
80.0
255.0
1938.5
2193.5
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
785
379
115
291
436.5
55.6
47.6
1486.9
1534.5
White
392
196
68
128
230.0
58.7
73.7
1481.3
1555.0
Black
393
183
47
163
206.5
52.5
21.6
1492.5
1514.1
Standard
All
664
304
106
254
357.0
53.8
32.0
1480.6
1512.6
White
331
160
60
111
190.0
57.4
62.9
1473.6
1536.5
Black
333
144
46
143
167.0
50.2
1.3
1487.6
1488.9
Rapid
All
35
21
3
11
22.5
64.3
121.4
1704.5
1825.9
White
19
10
3
6
11.5
60.5
89.5
1651.9
1741.4
Black
16
11
0
5
11.0
68.8
159.4
1767.0
1926.4
Blitz
All
86
54
6
26
57.0
66.3
138.4
1446.5
1584.9
White
42
26
5
11
28.5
67.9
151.8
1464.8
1616.6
Black
44
28
1
15
28.5
64.8
125.6
1429.1
1554.7
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
110086011
Felix, R (Raphael)
10
5.5
5
1
4
55.0
1531.3
42.5
1573.8
View list
2
107069948
Jones, W (William)
9
6.0
5
2
2
66.7
1524.7
141.7
1666.3
View list
3
101023373
Mlahleki, V (Vusimuzi)
8
0.0
0
0
8
0.0
1724.5
-425.0
1299.5
View list
4
1080103221
Nwedo, K (Khodani)
7
5.5
5
1
1
78.6
1665.9
242.9
1908.8
View list
5
108064021
Coetsee, D (Dewald)
7
3.5
3
1
3
50.0
1541.9
0.0
1541.9
View list
6
109086379
Jacobs, CN (Calvin Nicholas)
7
3.5
3
1
3
50.0
1506.4
0.0
1506.4
View list
7
109069454
Sathish, A (Abinavah)
7
2.0
0
4
3
28.6
1592.8
-182.1
1410.7
View list
8
101050584
Mazibuko, K (Khanya)
7
1.5
1
1
5
21.4
1716.9
-242.9
1474.1
View list
9
108064849
Ziegenhagen, V (Vian Luke)
6
4.5
4
1
1
75.0
1511.2
212.5
1723.7
View list
10
106053297
Govender, S (Shevern)
6
3.0
2
2
2
50.0
1440.6
0.0
1440.6
View list
11
108061372
Baruch, L (Liam)
6
2.0
0
4
2
33.3
1334.6
-141.7
1193.0
View list
12
108079781
Soojay, J (Jorah)
6
0.5
0
1
5
8.3
1507.0
-354.2
1152.9
View list
13
103022974
Mhango, BF (Banele)
6
0.0
0
0
6
0.0
1745.4
-425.0
1320.4
View list
14
207082268
Badenhorst, C (Chloe)
5
3.5
3
1
1
70.0
1394.6
170.0
1564.6
View list
15
1070104078
Price, DR (Daelen)
5
3.0
2
2
1
60.0
1656.4
85.0
1741.4
View list
16
185028656
Oatlhotse, P (Providence)
5
1.5
1
1
3
30.0
1768.8
-170.0
1598.8
View list
17
184027327
Nene, TH (Themba)
5
1.0
1
0
4
20.0
1630.8
-255.0
1375.8
View list
18
107092639
Simpson, M (Michael)
5
1.0
0
2
3
20.0
1596.1
-255.0
1341.1
View list
19
101015487
Khumalo, KB (Keith)
5
0.0
0
0
5
0.0
1752.4
-425.0
1327.4
View list
20
184019054
Mabusela, JM (Johannes)
5
0.0
0
0
5
0.0
1744.2
-425.0
1319.2
View list