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: 2024/05/12 (39 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 rating1521.1
Current Weighted rating1441.6
Current Weighted performance1457.1
Current official/published rating (highest between Raw, WR and WP)1521.1
Current highest rating achieved1521.1
Current floor (min rating allowed)1021.1
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)±104.9
Current Raw change used (final)0.0
Projected new Raw rating1521.1
Projected new Weighed rating1325.7
Projected new Weighted performance1457.1
Projected new final Raw rating (if new WP > new Raw)1521.1
Projected new highest rating1521.1
Projected new floor1021.1
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1521.1
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 rating1524.2
Current Weighted rating1444.7
Current Weighted performance1460.4
Current official/published rating (highest between Raw, WR and WP)1524.2
Current highest rating achieved1524.2
Current floor (min rating allowed)1024.2
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)±104.5
Current Raw change used (final)0.0
Projected new Raw rating1524.2
Projected new Weighed rating1329.4
Projected new Weighted performance1460.4
Projected new final Raw rating (if new WP > new Raw)1524.2
Projected new highest rating1524.2
Projected new floor1024.2
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1524.2
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 rating1352.7
Current Weighted rating1360.4
Current Weighted performance1348.5
Current official/published rating (highest between Raw, WR and WP)1360.4
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)±133.4
Current Raw change used (final)0.0
Projected new Raw rating1352.7
Projected new Weighed rating1249.5
Projected new Weighted performance1348.5
Projected new final Raw rating (if new WP > new Raw)1352.7
Projected new highest rating1480.7
Projected new floor980.7
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1352.7
Projected effective change (new Official - current Official)-7.7
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 rating1106.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1106.7
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 rating1016.2
Projected new Weighted performance652.9
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)-19.5
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
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
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
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 28 13 5 10 15.5 55.4 45.5 1463.5 1509.0
White 14 6 5 3 8.5 60.7 91.1 1484.2 1575.2
Black 14 7 0 7 7.0 50.0 0.0 1442.8 1442.8
Standard All 22 10 4 8 12.0 54.5 38.6 1498.2 1536.8
White 11 5 4 2 7.0 63.6 115.9 1508.7 1624.6
Black 11 5 0 6 5.0 45.5 -38.6 1487.7 1449.0
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 276 151 33 92 167.5 60.7 90.9 1352.4 1443.2
White 143 72 22 49 83.0 58.0 68.4 1357.5 1425.8
Black 133 79 11 43 84.5 63.5 115.0 1346.9 1461.9
Standard All 172 97 26 49 110.0 64.0 118.6 1345.7 1464.3
White 88 48 15 25 55.5 63.1 111.1 1346.7 1457.8
Black 84 49 11 24 54.5 64.9 126.5 1344.7 1471.2
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1120135094 Singh, S (Shaurya) 7 2.0 1 2 4 28.6 1444.0 -182.1 1261.9 View list
2 1120140113 Guo, A (Aleks) 5 3.5 2 3 0 70.0 1450.6 170.0 1620.6 View list
3 1110109002 Maruma, KB (Kamogelo) 4 3.5 3 1 0 87.5 1427.0 318.8 1745.7 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 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