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:
2024/03/17 (46 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
1426.0
Curent Weighted rating
1435.5
Curent Weighted performance
1350.7
Current official/published rating (highest between Raw, WR and WP)
1435.5
Current floor (min rating allowed)
1003.1
Current highest rating achieved
1503.1
Current K-factor
32
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)
±120.2
Current Raw change used (final)
0.0
Projected new Raw rating
1426.0
Projected new Weighed rating
1433.9
Projected new Weighted performance
1350.7
Projected new official/published rating (highest between new Raw, new WR and new WP)
1433.9
Projected effective change (new Official - current Official)
-1.6
Projected new highest rating
1503.1
Projected new floor
1003.1
Projected new K-facor
32
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
1429.8
Curent Weighted rating
1437.8
Curent Weighted performance
1328.5
Current official/published rating (highest between Raw, WR and WP)
1437.8
Current floor (min rating allowed)
1015.8
Current highest rating achieved
1515.8
Current K-factor
32
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)
±119.5
Current Raw change used (final)
0.0
Projected new Raw rating
1429.8
Projected new Weighed rating
1437.2
Projected new Weighted performance
1328.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1437.2
Projected effective change (new Official - current Official)
-0.7
Projected new highest rating
1515.8
Projected new floor
1015.8
Projected new K-facor
32
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
1352.7
Curent Weighted rating
1363.1
Curent Weighted performance
1271.9
Current official/published rating (highest between Raw, WR and WP)
1363.1
Current floor (min rating allowed)
980.7
Current highest rating achieved
1480.7
Current K-factor
32
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)
±133.4
Current Raw change used (final)
0.0
Projected new Raw rating
1352.7
Projected new Weighed rating
1360.4
Projected new Weighted performance
1271.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1360.4
Projected effective change (new Official - current Official)
-2.7
Projected new highest rating
1480.7
Projected new floor
980.7
Projected new K-facor
32
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
1087.2
Curent Weighted rating
1110.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1110.6
Current floor (min rating allowed)
980.7
Current highest rating achieved
1113.2
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
1106.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1106.7
Projected effective change (new Official - current Official)
-3.9
Projected new highest rating
1113.2
Projected new floor
980.7
Projected new K-facor
40
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
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
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
29
Casuarina International 2023 (Rapid)
2023/03/11
2023/03/12
Cape Town (WCT)
Rapid
35
0.66
6
5
0.0
1477.5
1454.8
Analysis
28
Casuarina International 2023 (Blitz)
2023/03/11
2023/03/11
Cape Town (WCT)
Blitz
5
0.18
9
8
1.0
1477.5
1200.0
Analysis
27
Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Boys)
2023/03/03
2023/03/04
Cape Town (WCT)
Standard
60
0.83
6
6
5.5
1477.5
1441.6
Analysis
26
Laerskool Welgemoed Rapid 2023 (U12)
2023/02/11
2023/02/11
Cape Town (WCT)
Rapid
25
0.54
6
6
4.0
1426.1
1456.7
Analysis
1
2
3
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
13
5
2
6
6.0
46.2
-32.7
1436.3
1403.6
White
6
3
2
1
4.0
66.7
141.7
1445.8
1587.5
Black
7
2
0
5
2.0
28.6
-182.1
1428.2
1246.1
Standard
All
7
2
1
4
2.5
35.7
-121.4
1522.1
1400.7
White
3
2
1
0
2.5
83.3
283.3
1497.4
1780.7
Black
4
0
0
4
0.0
0.0
-425.0
1540.7
1115.7
Rapid
All
6
3
1
2
3.5
58.3
70.8
1336.3
1407.1
White
3
1
1
1
1.5
50.0
0.0
1394.2
1394.2
Black
3
2
0
1
2.0
66.7
141.7
1278.3
1420.0
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
261
143
30
88
158.0
60.5
89.6
1344.6
1434.2
White
135
69
19
47
78.5
58.1
69.3
1348.3
1417.5
Black
126
74
11
41
79.5
63.1
111.3
1340.7
1452.0
Standard
All
157
89
23
45
100.5
64.0
119.1
1332.2
1451.3
White
80
45
12
23
51.0
63.8
116.9
1330.1
1446.9
Black
77
44
11
22
49.5
64.3
121.4
1334.5
1455.9
Rapid
All
89
51
7
31
54.5
61.2
95.5
1346.4
1441.9
White
47
22
7
18
25.5
54.3
36.2
1368.8
1405.0
Black
42
29
0
13
29.0
69.0
161.9
1321.3
1483.2
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)
4
3.5
3
1
0
87.5
1427.0
318.8
1745.7
View list
3
211087036
Osborne, H (Hannah)
4
3.0
3
0
1
75.0
1360.3
212.5
1572.8
View list
4
1120140113
Guo, A (Aleks)
4
2.5
1
3
0
62.5
1456.8
106.3
1563.0
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
107064487
Lee, MJ (Muhammad)
2
2.0
2
0
0
100.0
1483.8
425.0
1908.8
View list
18
1130135088
Meder, T (Tristan)
2
2.0
2
0
0
100.0
1439.7
425.0
1864.7
View list
19
1090109869
Priestley, L (Logan)
2
2.0
2
0
0
100.0
1412.1
425.0
1837.1
View list
20
1120138780
Rall, L (Lian)
2
2.0
2
0
0
100.0
1428.5
425.0
1853.5
View list