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: 2024/03/17 (46 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
Curent Raw rating1426.0
Curent Weighted rating1435.5
Curent Weighted performance1350.7
Current official/published rating (highest between Raw, WR and WP)1435.5
Current floor (min rating allowed)1003.1
Current highest rating achieved1503.1
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)±120.2
Current Raw change used (final)0.0
Projected new Raw rating1426.0
Projected new Weighed rating1433.9
Projected new Weighted performance1350.7
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 rating1503.1
Projected new floor1003.1
Projected new K-facor32
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 rating1429.8
Curent Weighted rating1437.8
Curent Weighted performance1328.5
Current official/published rating (highest between Raw, WR and WP)1437.8
Current floor (min rating allowed)1015.8
Current highest rating achieved1515.8
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)±119.5
Current Raw change used (final)0.0
Projected new Raw rating1429.8
Projected new Weighed rating1437.2
Projected new Weighted performance1328.5
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 rating1515.8
Projected new floor1015.8
Projected new K-facor32
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 rating1352.7
Curent Weighted rating1363.1
Curent Weighted performance1271.9
Current official/published rating (highest between Raw, WR and WP)1363.1
Current floor (min rating allowed)980.7
Current highest rating achieved1480.7
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 rating1360.4
Projected new Weighted performance1271.9
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 rating1480.7
Projected new floor980.7
Projected new K-facor32
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 rating1087.2
Curent Weighted rating1110.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1110.6
Current floor (min rating allowed)980.7
Current highest rating achieved1113.2
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 rating1106.7
Projected new Weighted performance0.0
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 rating1113.2
Projected new floor980.7
Projected new K-facor40
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
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
123
Game 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 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) 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