Player Page

Pietersen, J (Jayline)
Dob: 2009/06/02 (U16)
Gender: Female
Chess SA id: 209078593
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2023/06/10 (400 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 rating1015.9
Current Weighted rating1013.4
Current Weighted performance738.5
Current official/published rating (highest between Raw, WR and WP)1015.9
Current highest rating achieved1015.9
Current floor (min rating allowed)515.9
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)±215.5
Current Raw change used (final)0.0
Projected new Raw rating1015.9
Projected new Weighed rating932.6
Projected new Weighted performance738.5
Projected new final Raw rating (if new WP > new Raw)1015.9
Projected new highest rating1015.9
Projected new floor515.9
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1015.9
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 rating803.6
Current Weighted rating803.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)803.6
Current highest rating achieved803.6
Current floor (min rating allowed)500.0
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)±291.7
Current Raw change used (final)0.0
Projected new Raw rating803.6
Projected new Weighed rating739.3
Projected new Weighted performance318.0
Projected new final Raw rating (if new WP > new Raw)803.6
Projected new highest rating803.6
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)803.6
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 rating784.0
Current Weighted rating771.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)784.0
Current highest rating achieved784.0
Current floor (min rating allowed)500.0
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)±299.9
Current Raw change used (final)0.0
Projected new Raw rating784.0
Projected new Weighed rating711.4
Projected new Weighted performance680.5
Projected new final Raw rating (if new WP > new Raw)784.0
Projected new highest rating784.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)784.0
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 rating500.0
Current Weighted rating500.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)500.0
Current highest rating achieved500.0
Current floor (min rating allowed)500.0
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)±449.5
Current Raw change used (final)0.0
Projected new Raw rating500.0
Projected new Weighed rating460.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating500.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)500.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 Upper West Coast Top Schools Championship 2023 (High School) 2023/06/10 2023/06/10 West Coast (WCU) Rapid 30 0.60 5 4 2.0 1002.5 718.0 Analysis
6 Bo-Weskus Top Skole 2022 (O13) 2022/06/11 2022/06/11 West Coast (WCU) Rapid 30 0.60 5 5 3.0 962.9 599.2 Analysis
5 West Coast Schools Prestige 2020 (U11 Girls) 2020/03/07 2020/03/07 West Coast (WCU) Rapid 30 0.60 5 5 2.5 753.4 500.0 Analysis
4 Bo-Weskus Skole Prestige 2020 (O11 Dogters) 2020/02/15 2020/02/15 West Coast (WCU) Standard 60 0.83 6 6 4.0 621.9 645.2 Analysis
3 Western Cape Top Schools 2018 (U9+U11 Girls) 2018/08/25 2018/08/26 Overberg (WOS) Standard 60 0.83 5 3 0.0 622.2 645.6 Analysis
2 Western Cape Schools Individuals 2018 (U9 Girls) 2018/05/19 2018/05/20 Overberg (WOS) Standard 60 0.83 6 6 1.0 615.2 638.8 Analysis
1 West Coast Schools Prestige Individual Championship 2018 (U9 Girls) 2018/03/10 2018/03/24 West Coast (WCU) Standard 60 0.83 6 6 3.5 500.0 500.0 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 35 15 2 18 16.0 45.7 -36.4 1147.5 1111.0
White 18 6 1 11 6.5 36.1 -118.1 1133.2 1015.1
Black 17 9 1 7 9.5 55.9 50.0 1162.6 1212.6
Standard All 21 8 1 12 8.5 40.5 -81.0 1130.8 1049.8
White 11 3 0 8 3.0 27.3 -193.2 1133.3 940.2
Black 10 5 1 4 5.5 55.0 42.5 1128.0 1170.5
Rapid All 14 7 1 6 7.5 53.6 30.4 1172.5 1202.8
White 7 3 1 3 3.5 50.0 0.0 1132.9 1132.9
Black 7 4 0 3 4.0 57.1 60.7 1212.1 1272.8
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 2090099753 De Bruin, E (Elrise) 4 1.0 1 0 3 25.0 622.6 -212.5 410.1 View list
2 2100131816 Lukas, L (Lizle) 1 1.0 1 0 0 100.0 621.9 425.0 1046.9 View list
3 2000099754 Love, J (Jo-Anlynne) 1 1.0 1 0 0 100.0 500.0 425.0 925.0 View list
4 1100110492 November, J (Jovanni) 1 1.0 1 0 0 100.0 962.9 425.0 1387.9 View list
5 2090131818 Nel, R (Roxaan) 1 1.0 1 0 0 100.0 621.9 425.0 1046.9 View list
6 2100131822 Skippers, M (Moche) 1 1.0 1 0 0 100.0 621.9 425.0 1046.9 View list
7 1090156585 Singh, C (Connor) 1 1.0 1 0 0 100.0 1002.5 425.0 1427.5 View list
8 1100143096 September, G (G-Naro) 1 1.0 1 0 0 100.0 962.9 425.0 1387.9 View list
9 2100117562 Peterson, C (Celeste) 1 1.0 1 0 0 100.0 753.4 425.0 1178.4 View list
10 2090110389 Owies, K (Kaylee-Ann) 1 1.0 1 0 0 100.0 962.9 425.0 1387.9 View list
11 2000099756 Van Niekerk, M (Mine) 1 1.0 1 0 0 100.0 500.0 425.0 925.0 View list
12 2100131826 Visagie, S (Sumia) 1 1.0 1 0 0 100.0 621.9 425.0 1046.9 View list
13 1090156588 Warren, K (Kelvin) 1 1.0 1 0 0 100.0 1002.5 425.0 1427.5 View list
14 2100131827 Willemse, J (Jadiah) 1 1.0 1 0 0 100.0 753.4 425.0 1178.4 View list
15 2000099755 Willemse, S (Shudine) 1 1.0 1 0 0 100.0 500.0 425.0 925.0 View list
16 210090539 Cloete, L (Leigh-Marcia) 1 0.5 0 1 0 50.0 500.0 0.0 500.0 View list
17 2100131825 Van Schalkwyk, M (Mia-Leigh Che) 1 0.5 0 1 0 50.0 753.4 0.0 753.4 View list
18 209090556 Sauls, J (Jada) 1 0.0 0 0 1 0.0 500.0 -425.0 75.0 View list
19 1090105980 Oncke, T (Troy) 1 0.0 0 0 1 0.0 962.9 -425.0 537.9 View list
20 2100131690 Mitchells, C (Chloe) 1 0.0 0 0 1 0.0 753.4 -425.0 328.4 View list