Player Page

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: 2024/09/08 (33 days ago)
Ratings
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 rating1597.2
Current Weighted rating1487.9
Current Weighted performance1526.3
Current official/published rating (highest between Raw, WR and WP)1597.2
Current highest rating achieved1617.2
Current floor (min rating allowed)1117.2
Current K-factor28
Games played this month0
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)±94.2
Current Raw change used (final)0.0
Projected new Raw rating1597.2
Projected new Weighed rating1370.5
Projected new Weighted performance1526.3
Projected new final Raw rating (if new WP > new Raw)1597.2
Projected new highest rating1617.2
Projected new floor1117.2
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1597.2
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 rating1586.4
Current Weighted rating1490.3
Current Weighted performance1537.8
Current official/published rating (highest between Raw, WR and WP)1586.4
Current highest rating achieved1613.2
Current floor (min rating allowed)1113.2
Current K-factor28
Games played this month0
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)±95.6
Current Raw change used (final)0.0
Projected new Raw rating1586.4
Projected new Weighed rating1372.8
Projected new Weighted performance1537.8
Projected new final Raw rating (if new WP > new Raw)1586.4
Projected new highest rating1613.2
Projected new floor1113.2
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1586.4
Projected effective change (new Official - current Official)=0.0
s
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 rating1477.6
Current Weighted rating1381.1
Current Weighted performance1487.3
Current official/published rating (highest between Raw, WR and WP)1487.3
Current highest rating achieved1480.7
Current floor (min rating allowed)980.7
Current K-factor32
Games played this month0
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)±111.7
Current Raw change used (final)0.0
Projected new Raw rating1477.6
Projected new Weighed rating1270.7
Projected new Weighted performance1487.3
Projected new final Raw rating (if new WP > new Raw)1487.3
Projected new highest rating1487.3
Projected new floor987.3
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1487.3
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 rating1087.2
Current Weighted rating1094.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1094.9
Current highest rating achieved1113.2
Current floor (min rating allowed)613.2
Current K-factor40
Games played this month0
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 rating1087.2
Projected new Weighed rating1005.9
Projected new Weighted performance624.2
Projected new final Raw rating (if new WP > new Raw)1087.2
Projected new highest rating1113.2
Projected new floor613.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1087.2
Projected effective change (new Official - current Official)-7.7
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
11 CT League 2024 (D-Playoffs) 2024/09/07 2024/09/08 Cape Town (WCT) Standard 70 0.87 5 3 1.0 1578.8 1569.0 Analysis
10 Western Cape Top Schools Championship 2024 (U13 Mixed) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 6 4.5 1578.8 1569.0 Analysis
9 2nd Young Minds Classic 2024 (Intermediate) 2024/08/10 2024/08/11 Cape Town (WCT) Standard 90 0.94 5 5 3.0 1617.2 1613.2 Analysis
8 CT District North Top Schools 2024 (U13 Mixed) 2024/07/27 2024/07/27 Cape Town (WCT) Rapid 30 0.60 5 5 5.0 1611.0 1352.7 Analysis
7 CT League 2024 (A) 2024/07/20 2024/09/07 Cape Town (WCT) Standard 120 1.00 11 7 3.5 1578.8 1569.0 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
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
54 CT League 2024 (D-Playoffs) 2024/09/07 2024/09/08 Cape Town (WCT) Standard 70 0.87 5 3 1.0 1578.8 1569.0 Analysis
53 Western Cape Top Schools Championship 2024 (U13 Mixed) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 6 4.5 1578.8 1569.0 Analysis
52 2nd Young Minds Classic 2024 (Intermediate) 2024/08/10 2024/08/11 Cape Town (WCT) Standard 90 0.94 5 5 3.0 1617.2 1613.2 Analysis
51 CT District North Top Schools 2024 (U13 Mixed) 2024/07/27 2024/07/27 Cape Town (WCT) Rapid 30 0.60 5 5 5.0 1611.0 1352.7 Analysis
50 CT League 2024 (A) 2024/07/20 2024/09/07 Cape Town (WCT) Standard 120 1.00 11 7 3.5 1578.8 1569.0 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
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 69 38 7 24 41.5 60.1 86.2 1493.5 1579.7
White 32 19 6 7 22.0 68.8 159.4 1469.0 1628.4
Black 37 19 1 17 19.5 52.7 23.0 1514.6 1537.6
Standard All 52 27 6 19 30.0 57.7 65.4 1522.5 1587.9
White 24 14 5 5 16.5 68.8 159.4 1492.1 1651.5
Black 28 13 1 14 13.5 48.2 -15.2 1548.5 1533.3
Rapid All 17 11 1 5 11.5 67.6 150.0 1404.7 1554.7
White 8 5 1 2 5.5 68.8 159.4 1399.6 1559.0
Black 9 6 0 3 6.0 66.7 141.7 1409.2 1550.9
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 317 176 35 106 193.5 61.0 93.8 1373.3 1467.1
White 161 85 23 53 96.5 59.9 84.5 1368.6 1453.1
Black 156 91 12 53 97.0 62.2 103.5 1378.1 1481.6
Standard All 202 114 28 60 128.0 63.4 113.6 1374.6 1488.3
White 101 57 16 28 65.0 64.4 122.0 1363.6 1485.6
Black 101 57 12 32 63.0 62.4 105.2 1385.7 1490.9
Rapid All 100 59 7 34 62.5 62.5 106.3 1356.9 1463.2
White 52 26 7 19 29.5 56.7 57.2 1372.1 1429.3
Black 48 33 0 15 33.0 68.8 159.4 1340.5 1499.9
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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) 6 4.5 4 1 1 75.0 1482.9 212.5 1695.4 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 1010300817 Nelson, D (Delano) 2 2.0 2 0 0 100.0 1503.6 425.0 1928.6 View list