Player Page

Janneker, J (Joel)
Dob: 2005/02/26 (U20)
Gender: Male
Chess SA id: 105078013
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/09/07 (94 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 rating1339.9
Current Weighted rating1318.0
Current Weighted performance1057.4
Current official/published rating (highest between Raw, WR and WP)1339.9
Current highest rating achieved1392.5
Current floor (min rating allowed)892.5
Current K-factor36
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)±135.9
Current Raw change used (final)0.0
Projected new Raw rating1339.9
Projected new Weighed rating1212.8
Projected new Weighted performance1057.4
Projected new final Raw rating (if new WP > new Raw)1339.9
Projected new highest rating1392.5
Projected new floor892.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1339.9
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 rating1307.3
Current Weighted rating1277.7
Current Weighted performance1065.0
Current official/published rating (highest between Raw, WR and WP)1307.3
Current highest rating achieved1366.4
Current floor (min rating allowed)866.4
Current K-factor36
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)±142.3
Current Raw change used (final)0.0
Projected new Raw rating1307.3
Projected new Weighed rating1175.8
Projected new Weighted performance1065.0
Projected new final Raw rating (if new WP > new Raw)1307.3
Projected new highest rating1366.4
Projected new floor866.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1307.3
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 rating1221.6
Current Weighted rating1221.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1221.6
Current highest rating achieved1221.6
Current floor (min rating allowed)721.6
Current K-factor36
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)±160.8
Current Raw change used (final)0.0
Projected new Raw rating1221.6
Projected new Weighed rating1123.9
Projected new Weighted performance604.4
Projected new final Raw rating (if new WP > new Raw)1221.6
Projected new highest rating1221.6
Projected new floor721.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1221.6
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 CT League 2024 (D) 2024/08/03 2024/08/03 Cape Town (WCT) Standard 70 0.87 6 4 2.5 1311.5 1268.8 Analysis
1 CT League 2024 (C) 2024/07/20 2024/09/07 Cape Town (WCT) Standard 120 1.00 11 2 1.0 1311.5 1268.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
9 CT League 2024 (D) 2024/08/03 2024/08/03 Cape Town (WCT) Standard 70 0.87 6 4 2.5 1311.5 1268.8 Analysis
8 CT League 2024 (C) 2024/07/20 2024/09/07 Cape Town (WCT) Standard 120 1.00 11 2 1.0 1311.5 1268.8 Analysis
7 Western Cape Top Schools 2022 (U18 Mix) 2022/09/16 2022/09/17 Overberg (WOS) Standard 60 0.83 5 5 0.0 1392.5 1366.4 Analysis
6 Pedro Booyse Top Schools 2022 (U18 Open) 2022/07/23 2022/07/23 West Coast (WCU) Standard 60 0.83 6 5 4.0 1329.1 1327.2 Analysis
5 Onder-Weskus Top Skole 2022 (Hoerskool) 2022/06/04 2022/06/04 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1312.3 1171.6 Analysis
4 Western Cape Schools Chess 2022 (U18 Boys) 2022/05/07 2022/05/08 Eden District (WEG) Standard 65 0.85 6 6 4.0 1249.3 1262.8 Analysis
3 West Coast Schools Prestige 2022 (U18 Boys) 2022/02/19 2022/02/19 West Coast (WCU) Standard 60 0.83 6 5 4.0 1207.5 1200.0 Analysis
2 Lower West Coast 2021 (U18 Boys) 2021/04/10 2021/04/10 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1197.2 1161.2 Analysis
1 Back to School Rapid 2020 (Boys) 2020/02/01 2020/02/01 West Coast (WCU) Rapid 20 0.47 5 4 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 6 3 1 2 3.5 58.3 70.8 1380.0 1450.8
White 4 2 0 2 2.0 50.0 0.0 1416.3 1416.3
Black 2 1 1 0 1.5 75.0 212.5 1307.3 1519.8
Standard All 6 3 1 2 3.5 58.3 70.8 1380.0 1450.8
White 4 2 0 2 2.0 50.0 0.0 1416.3 1416.3
Black 2 1 1 0 1.5 75.0 212.5 1307.3 1519.8
Rapid 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
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 41 23 1 17 23.5 57.3 62.2 1297.1 1359.3
White 21 11 0 10 11.0 52.4 20.2 1292.1 1312.3
Black 20 12 1 7 12.5 62.5 106.3 1302.3 1408.5
Standard All 27 15 1 11 15.5 57.4 63.0 1325.1 1388.0
White 14 7 0 7 7.0 50.0 0.0 1331.2 1331.2
Black 13 8 1 4 8.5 65.4 130.8 1318.5 1449.3
Rapid All 14 8 0 6 8.0 57.1 60.7 1243.0 1303.7
White 7 4 0 3 4.0 57.1 60.7 1213.9 1274.6
Black 7 4 0 3 4.0 57.1 60.7 1272.1 1332.8
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1050110467 Don, W (Wian) 3 2.0 2 0 1 66.7 1288.6 141.7 1430.2 View list
2 1060099677 Njokweni, L (Llyabona) 3 2.0 2 0 1 66.7 1323.5 141.7 1465.2 View list
3 1060109638 Bester, C (Coenraad) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 104077671 Abdol, M (Mateo) 1 1.0 1 0 0 100.0 1197.2 425.0 1622.2 View list
5 1120132064 Fourie, R (Ruan) 1 1.0 1 0 0 100.0 1311.5 425.0 1736.5 View list
6 106066235 Fillis, J (Jordan) 1 1.0 1 0 0 100.0 1207.5 425.0 1632.5 View list
7 1030110219 Klein, I (Irwin) 1 1.0 1 0 0 100.0 1197.2 425.0 1622.2 View list
8 1060110180 Klein, C (Calvin) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1030138393 Klein, C (Calvin) 1 1.0 1 0 0 100.0 1207.5 425.0 1632.5 View list
10 105077648 Hogan, L (Lee) 1 1.0 1 0 0 100.0 1207.5 425.0 1632.5 View list
11 1080157927 Matthee, C (Connor) 1 1.0 1 0 0 100.0 1311.5 425.0 1736.5 View list
12 1040099693 Goliath, R (Raoul) 1 1.0 1 0 0 100.0 1312.3 425.0 1737.3 View list
13 1040112273 Mitchell, R (Raynard) 1 1.0 1 0 0 100.0 1249.3 425.0 1674.3 View list
14 104086286 Murphy, S (Sidwell) 1 1.0 1 0 0 100.0 1249.3 425.0 1674.3 View list
15 1060131898 Ngoma, N (Nathan) 1 1.0 1 0 0 100.0 1207.5 425.0 1632.5 View list
16 108077754 Opperman, M (Matthew) 1 1.0 1 0 0 100.0 1312.3 425.0 1737.3 View list
17 182057489 Page, R (Romayo) 1 1.0 1 0 0 100.0 1311.5 425.0 1736.5 View list
18 105080864 Roesch, S (Samuel) 1 1.0 1 0 0 100.0 1329.1 425.0 1754.1 View list
19 1050097108 Segelaar, G (Geriant) 1 1.0 1 0 0 100.0 1249.3 425.0 1674.3 View list
20 106045843 Smith, H (Hasan) 1 1.0 1 0 0 100.0 1249.3 425.0 1674.3 View list