Chess South Africa
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Chess South Africa
Weideman, J (Janko)
Dob:
2012/11/12 (U14)
Gender:
Male
Chess SA id:
1120134372
FIDE id:
Region:
Cape Town (WCT)
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
1611.0
Current Weighted rating
1454.6
Current Weighted performance
1561.1
Current official/published rating (highest between Raw, WR and WP)
1611.0
Current highest rating achieved
1611.0
Current floor (min rating allowed)
1111.0
Current K-factor
28
Games played this month
6
Score (S)
3.0
Expected score (We)
3.10
Difference (S-We)
-0.07
Current Raw change (no limits, including tournament time weight)
-1.8
Current min/max change allowed (with limits)
±92.3
Current Raw change used (final)
-1.8
Projected new Raw rating
1609.2
Projected new Weighed rating
1338.3
Projected new Weighted performance
1568.8
Projected new final Raw rating (if new WP > new Raw)
1609.2
Projected new highest rating
1611.0
Projected new floor
1111.0
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1609.2
Projected effective change (new Official - current Official)
-1.8
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
1613.2
Current Weighted rating
1458.4
Current Weighted performance
1569.4
Current official/published rating (highest between Raw, WR and WP)
1613.2
Current highest rating achieved
1613.2
Current floor (min rating allowed)
1113.2
Current K-factor
28
Games played this month
-4
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)
±92.0
Current Raw change used (final)
0.0
Projected new Raw rating
1613.2
Projected new Weighed rating
1342.4
Projected new Weighted performance
1569.4
Projected new final Raw rating (if new WP > new Raw)
1613.2
Projected new highest rating
1613.2
Projected new floor
1113.2
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1613.2
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
1352.7
Current Weighted rating
1357.8
Current Weighted performance
1330.1
Current official/published rating (highest between Raw, WR and WP)
1357.8
Current highest rating achieved
1480.7
Current floor (min rating allowed)
980.7
Current K-factor
32
s
Games played this month
6
Score (S)
3.0
Expected score (We)
1.69
Difference (S-We)
1.31
Current Raw change (no limits, including tournament time weight)
41.9
Current min/max change allowed (with limits)
±133.4
Current Raw change used (final)
41.9
Projected new Raw rating
1394.6
Projected new Weighed rating
1247.3
Projected new Weighted performance
1427.1
Projected new final Raw rating (if new WP > new Raw)
1427.1
Projected new highest rating
1480.7
Projected new floor
980.7
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1427.1
Projected effective change (new Official - current Official)
+69.3
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
1087.2
Current Weighted rating
1103.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1103.2
Current highest rating achieved
1113.2
Current floor (min rating allowed)
613.2
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)
±194.7
Current Raw change used (final)
0.0
Projected new Raw rating
1087.2
Projected new Weighed rating
1013.1
Projected new Weighted performance
643.5
Projected new final Raw rating (if new WP > new Raw)
1087.2
Projected new highest rating
1113.2
Projected new floor
613.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1087.2
Projected effective change (new Official - current Official)
-16.0
Tournaments
History
Tournament:
Curro Durbanville Chess Rapid Open 2024 (Championship)
Start:
2024/07/13
End:
2024/07/13
Host:
WCT
Type:
Rapid
Time:
35
Time weight:
0.66
Rounds:
6
Games:
6
Score:
3.0
Main rating:
1611.0
Rating gain/loss:
-1.8
Type rating:
1352.7
Rating gain/loss:
41.9
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
6
Curro Durbanville Chess Rapid Open 2024 (Championship)
2024/07/13
2024/07/13
Cape Town (WCT)
Rapid
35
0.66
6
6
3.0
1611.0
1352.7
Analysis
5
2024 African Youth Chess Championship
2024/06/16
2024/06/22
South Africa (RSA)
Standard
120
1.00
9
9
6.0
1521.1
1524.2
Analysis
4
Steinitz Chess Festival 2024 (Open)
2024/05/10
2024/05/12
Cape Town (WCT)
Standard
90
0.94
6
6
3.5
1426.0
1429.8
Analysis
3
South African Junior Closed Chess Championship 2024 (U12 Open)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
6.0
1426.0
1429.8
Analysis
2
Cape Town Open Rapid Chess Championship 2024 (Open)
2024/03/17
2024/03/17
Cape Town (WCT)
Rapid
25
0.54
6
6
3.5
1428.4
1356.5
Analysis
1
Cape Town Masters Challenge 2024 (Advanced)
2024/01/03
2024/01/07
Cape Town (WCT)
Standard
120
1.00
7
7
2.5
1436.7
1435.2
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
49
Curro Durbanville Chess Rapid Open 2024 (Championship)
2024/07/13
2024/07/13
Cape Town (WCT)
Rapid
35
0.66
6
6
3.0
1611.0
1352.7
Analysis
48
2024 African Youth Chess Championship
2024/06/16
2024/06/22
South Africa (RSA)
Standard
120
1.00
9
9
6.0
1521.1
1524.2
Analysis
47
Steinitz Chess Festival 2024 (Open)
2024/05/10
2024/05/12
Cape Town (WCT)
Standard
90
0.94
6
6
3.5
1426.0
1429.8
Analysis
46
South African Junior Closed Chess Championship 2024 (U12 Open)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
6.0
1426.0
1429.8
Analysis
45
Cape Town Open Rapid Chess Championship 2024 (Open)
2024/03/17
2024/03/17
Cape Town (WCT)
Rapid
25
0.54
6
6
3.5
1428.4
1356.5
Analysis
44
Cape Town Masters Challenge 2024 (Advanced)
2024/01/03
2024/01/07
Cape Town (WCT)
Standard
120
1.00
7
7
2.5
1436.7
1435.2
Analysis
43
Kraaifontein Open 2023 (Adanced)
2023/12/09
2023/12/10
Cape Town (WCT)
Standard
70
0.87
6
6
3.0
1423.9
1420.2
Analysis
42
Chas Everitt and MHI Attorneys Rapid 2023 (B)
2023/11/04
2023/11/04
Cape Town (WCT)
Rapid
25
0.54
6
6
4.5
1403.5
1305.3
Analysis
41
Bonnievale Open Rapid 2023 (Advanced)
2023/10/21
2023/10/21
Cape Winelands (WCW)
Rapid
25
0.54
6
6
2.0
1405.9
1322.6
Analysis
40
Western Cape Closed Championship 2023 (C)
2023/09/24
2023/09/25
Cape Town (WCT)
Standard
90
0.94
6
6
3.0
1433.2
1452.5
Analysis
39
Western Cape Closed Championship 2023 (Blitz)
2023/09/23
2023/09/25
Cape Town (WCT)
Blitz
7
0.23
7
7
2.0
1433.2
1113.2
Analysis
38
WP Club League 2023 (D1)
2023/07/29
2023/08/19
Cape Town (WCT)
Standard
70
0.87
6
3
2.0
1440.2
1470.7
Analysis
37
CT Metro District North Top Schools Chess 2023 (U11 Mixed)
2023/07/29
2023/07/29
Cape Town (WCT)
Rapid
30
0.60
5
3
2.0
1497.9
1352.7
Analysis
36
Cape Winelands Open 2023 (Advanced)
2023/07/22
2023/07/23
Cape Winelands (WCW)
Standard
70
0.87
6
6
2.0
1497.9
1515.8
Analysis
35
Curro Durbanville Chess Open Rapid 2023 (Advanced)
2023/07/15
2023/07/15
Cape Town (WCT)
Rapid
35
0.66
6
6
2.0
1497.9
1352.7
Analysis
34
WP Closed 2023 (U12)
2023/06/16
2023/06/17
Cape Town (WCT)
Standard
70
0.87
6
6
5.0
1457.3
1476.4
Analysis
33
Steinitz Open 2023 (A+B)
2023/05/26
2023/05/28
Cape Town (WCT)
Standard
90
0.94
6
6
2.0
1401.8
1434.2
Analysis
32
Western Cape PS Individuals 2023 (U11 Boys)
2023/05/05
2023/05/06
Cape Town (WCT)
Standard
60
0.83
6
6
5.5
1401.8
1434.2
Analysis
31
Hermanus Rapid 2023 (B)
2023/04/22
2023/04/22
Overberg (WOS)
Rapid
25
0.54
6
6
3.5
1396.1
1367.1
Analysis
30
Cape Town Open 2023 (Intermediate)
2023/03/25
2023/03/26
Cape Town (WCT)
Standard
70
0.87
6
6
3.0
1477.5
1441.6
Analysis
1
2
3
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
43
22
5
16
24.5
57.0
59.3
1522.1
1581.4
White
21
11
5
5
13.5
64.3
121.4
1505.3
1626.7
Black
22
11
0
11
11.0
50.0
0.0
1538.1
1538.1
Standard
All
31
16
4
11
18.0
58.1
68.5
1543.7
1612.2
White
15
8
4
3
10.0
66.7
141.7
1531.6
1673.2
Black
16
8
0
8
8.0
50.0
0.0
1555.0
1555.0
Rapid
All
12
6
1
5
6.5
54.2
35.4
1466.4
1501.8
White
6
3
1
2
3.5
58.3
70.8
1439.7
1510.5
Black
6
3
0
3
3.0
50.0
0.0
1493.0
1493.0
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
291
160
33
98
176.5
60.7
90.5
1366.8
1457.3
White
150
77
22
51
88.0
58.7
73.7
1366.3
1440.0
Black
141
83
11
47
88.5
62.8
108.5
1367.2
1475.7
Standard
All
181
103
26
52
116.0
64.1
119.8
1361.1
1480.9
White
92
51
15
26
58.5
63.6
115.5
1357.5
1472.9
Black
89
52
11
26
57.5
64.6
124.2
1364.9
1489.0
Rapid
All
95
54
7
34
57.5
60.5
89.5
1362.2
1451.7
White
50
24
7
19
27.5
55.0
42.5
1375.8
1418.3
Black
45
30
0
15
30.0
66.7
141.7
1347.1
1488.7
Blitz
All
15
3
0
12
3.0
20.0
-255.0
1463.7
1208.7
White
8
2
0
6
2.0
25.0
-212.5
1409.4
1196.9
Black
7
1
0
6
1.0
14.3
-303.6
1525.8
1222.3
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1120135094
Singh, S (Shaurya)
7
2.0
1
2
4
28.6
1444.0
-182.1
1261.9
View list
2
1110109002
Maruma, KB (Kamogelo)
5
4.5
4
1
0
90.0
1463.8
340.0
1803.8
View list
3
1120140113
Guo, A (Aleks)
5
3.5
2
3
0
70.0
1450.6
170.0
1620.6
View list
4
211087036
Osborne, H (Hannah)
4
3.0
3
0
1
75.0
1360.3
212.5
1572.8
View list
5
2120109817
Hagen, S (Sophia)
4
2.0
2
0
2
50.0
1319.7
0.0
1319.7
View list
6
1110109831
Strydom, H (Henroux)
4
2.0
2
0
2
50.0
1371.9
0.0
1371.9
View list
7
2120114045
Wilson, EM (Emlyn)
4
2.0
2
0
2
50.0
1394.5
0.0
1394.5
View list
8
1110104004
Shapiro, M (Matthew)
4
0.5
0
1
3
12.5
1385.4
-318.8
1066.7
View list
9
161042919
Willenberg, RC (Roland)
4
0.0
0
0
4
0.0
1453.9
-425.0
1028.9
View list
10
1110108081
Muller, H (Helgard)
3
3.0
3
0
0
100.0
1394.9
425.0
1819.9
View list
11
1120132089
Russell, C (Christopher)
3
3.0
3
0
0
100.0
1372.7
425.0
1797.7
View list
12
2110109830
Snyman, MM (Mila Marie)
3
1.0
1
0
2
33.3
1370.5
-141.7
1228.8
View list
13
1140136551
Resnekov, O (Oliver)
3
0.0
0
0
3
0.0
1448.3
-425.0
1023.3
View list
14
1110132058
Braaf, J (Jordan)
2
2.0
2
0
0
100.0
1429.6
425.0
1854.6
View list
15
1120150391
Dennis, N (Nathier)
2
2.0
2
0
0
100.0
1426.1
425.0
1851.1
View list
16
1140134075
Donker, J (Jesse)
2
2.0
2
0
0
100.0
1326.3
425.0
1751.3
View list
17
108087782
Jonkers, T (Tristan)
2
2.0
2
0
0
100.0
1557.0
425.0
1982.0
View list
18
107064487
Lee, MJ (Muhammad)
2
2.0
2
0
0
100.0
1483.8
425.0
1908.8
View list
19
1130135088
Meder, T (Tristan)
2
2.0
2
0
0
100.0
1439.7
425.0
1864.7
View list
20
1090109869
Priestley, L (Logan)
2
2.0
2
0
0
100.0
1412.1
425.0
1837.1
View list