Player Page

Mammen, J (Jayden)
Dob: 2010/02/24 (U16)
Gender: Male
Chess SA id: 1100133934
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2023/03/18 (466 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 rating1290.5
Current Weighted rating1286.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1290.5
Current highest rating achieved1290.5
Current floor (min rating allowed)790.5
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)±145.8
Current Raw change used (final)0.0
Projected new Raw rating1290.5
Projected new Weighed rating1184.1
Projected new Weighted performance1015.3
Projected new final Raw rating (if new WP > new Raw)1290.5
Projected new highest rating1290.5
Projected new floor790.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1290.5
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 rating1303.2
Current Weighted rating1298.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1303.2
Current highest rating achieved1303.2
Current floor (min rating allowed)803.2
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)±143.1
Current Raw change used (final)0.0
Projected new Raw rating1303.2
Projected new Weighed rating1195.3
Projected new Weighted performance1015.3
Projected new final Raw rating (if new WP > new Raw)1303.2
Projected new highest rating1303.2
Projected new floor803.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1303.2
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 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
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.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 JMC 1 St Peters 2023 (D) 2023/03/18 2023/03/18 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1256.4 1264.3 Analysis
3 2022 Gauteng Schools Team Championships (U13 Open) 2022/08/27 2022/08/27 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1214.9 1216.4 Analysis
2 2022 Gauteng Schools Individual Chess Championship (U13 Boys) 2022/06/18 2022/06/18 Ekurhuleni (GE) Standard 60 0.83 5 4 2.5 1199.0 1198.0 Analysis
1 JNW Trinityhouse LF 2022 (Contenders) 2022/03/12 2022/03/12 Johannesburg Metro (GJM) Standard 60 0.83 5 3 1.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
Standard 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
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 17 10 4 3 12.0 70.6 175.0 1198.0 1373.0
White 9 5 3 1 6.5 72.2 188.9 1195.0 1383.9
Black 8 5 1 2 5.5 68.8 159.4 1201.4 1360.8
Standard All 17 10 4 3 12.0 70.6 175.0 1198.0 1373.0
White 9 5 3 1 6.5 72.2 188.9 1195.0 1383.9
Black 8 5 1 2 5.5 68.8 159.4 1201.4 1360.8
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2060118254 Tunmise-Fashina, S (Sammy) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 1090143372 Tladi, T (Teboho) 1 1.0 1 0 0 100.0 1199.0 425.0 1624.0 View list
3 1110134886 Thomson-Selibowitz, R (Ryder) 1 1.0 1 0 0 100.0 1256.4 425.0 1681.4 View list
4 1090117308 Silvo, L (Luan) 1 1.0 1 0 0 100.0 1214.9 425.0 1639.9 View list
5 1100145901 Mogale, K (Kamogelo) 1 1.0 1 0 0 100.0 1214.9 425.0 1639.9 View list
6 1090145899 Moatlhodi, K (Keabetswe) 1 1.0 1 0 0 100.0 1214.9 425.0 1639.9 View list
7 1090113576 Fiford, JA (Jason) 1 1.0 1 0 0 100.0 1199.0 425.0 1624.0 View list
8 1100113478 Esterhuizen, D (Declan) 1 1.0 1 0 0 100.0 1214.9 425.0 1639.9 View list
9 1150152457 Carin, Z (Zakir) 1 1.0 1 0 0 100.0 1256.4 425.0 1681.4 View list
10 1090152468 Kojetin, C (Connor) 1 1.0 1 0 0 100.0 1256.4 425.0 1681.4 View list
11 1090151793 Grice, S (Simon) 1 0.5 0 1 0 50.0 1256.4 0.0 1256.4 View list
12 1090130089 Matsioloko, G (Godisang) 1 0.5 0 1 0 50.0 1199.0 0.0 1199.0 View list
13 2100108310 Maharaj, A (Arya) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
14 1130147307 Radebe, G (Gaur Sihle) 1 0.5 0 1 0 50.0 1256.4 0.0 1256.4 View list
15 1060138261 Nghondzweni, B (Bohlale) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
16 1100110075 Mupalala, K (Kenzo) 1 0.0 0 0 1 0.0 1199.0 -425.0 774.0 View list
17 210088596 Louw, N (Nova) 1 0.0 0 0 1 0.0 1214.9 -425.0 789.9 View list