Player Page

Pietersen, M (Mikayla)
Dob: 2008/05/21 (U18)
Gender: Female
Chess SA id: 2080142237
FIDE id:
Region: ZF Mgcawu (NZF)
Citizen: RSA
Title(s):
Last active: 2023/06/24 (517 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 rating1138.9
Current Weighted rating1138.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1138.9
Current highest rating achieved1194.0
Current floor (min rating allowed)694.0
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)±180.9
Current Raw change used (final)0.0
Projected new Raw rating1138.9
Projected new Weighed rating1047.6
Projected new Weighted performance782.6
Projected new final Raw rating (if new WP > new Raw)1138.9
Projected new highest rating1194.0
Projected new floor694.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1138.9
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 rating1131.6
Current Weighted rating1131.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1131.6
Current highest rating achieved1192.0
Current floor (min rating allowed)692.0
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)±182.8
Current Raw change used (final)0.0
Projected new Raw rating1131.6
Projected new Weighed rating1040.6
Projected new Weighted performance782.6
Projected new final Raw rating (if new WP > new Raw)1131.6
Projected new highest rating1192.0
Projected new floor692.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1131.6
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 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 2023 Northern Cape Schools Provincial Trials (U15 Girls) 2023/06/24 2023/06/24 Frances Baard (NCF) Standard 62 0.84 5 5 2.0 1134.9 1122.0 Analysis
3 ZF Mgcawu Open 2023 (U13+U15) 2023/03/04 2023/03/04 ZF Mgcawu (NZF) Standard 60 0.83 5 5 2.0 1139.9 1127.2 Analysis
2 Northern Cape Provincial Schools Trials 2022 (U15 Girls) 2022/06/24 2022/06/24 Frances Baard (NCF) Standard 62 0.84 5 5 1.0 1194.0 1192.0 Analysis
1 ZFM Schools Trials 2022 (U15 Girls) 2022/05/28 2022/05/28 ZF Mgcawu (NZF) Standard 60 0.83 5 4 2.0 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 19 7 0 12 7.0 36.8 -111.8 1193.4 1081.5
White 9 3 0 6 3.0 33.3 -141.7 1215.3 1073.6
Black 10 4 0 6 4.0 40.0 -85.0 1173.7 1088.7
Standard All 19 7 0 12 7.0 36.8 -111.8 1193.4 1081.5
White 9 3 0 6 3.0 33.3 -141.7 1215.3 1073.6
Black 10 4 0 6 4.0 40.0 -85.0 1173.7 1088.7
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 2080142236 Irion, T (Tash-Lee) 2 2.0 2 0 0 100.0 1170.0 425.0 1595.0 View list
2 2080142051 Molale, M (Mamello) 2 0.0 0 0 2 0.0 1164.5 -425.0 739.5 View list
3 2070142044 El Mokadam, L (Labeba) 1 1.0 1 0 0 100.0 1194.0 425.0 1619.0 View list
4 2090135179 Mabunda, P (Precious) 1 1.0 1 0 0 100.0 1139.9 425.0 1564.9 View list
5 2100157706 Tanke, A (Atlegang) 1 1.0 1 0 0 100.0 1134.9 425.0 1559.9 View list
6 2090157708 Visagie, J (Jaylin) 1 1.0 1 0 0 100.0 1134.9 425.0 1559.9 View list
7 2080142239 Van Wyk, T (Tashney) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 2080153360 Van Wyk, C (Chloe) 1 0.0 0 0 1 0.0 1134.9 -425.0 709.9 View list
9 1080135192 Titus, O (Obed Clayd) 1 0.0 0 0 1 0.0 1139.9 -425.0 714.9 View list
10 2100150907 Sebolai, R (Refentse) 1 0.0 0 0 1 0.0 1134.9 -425.0 709.9 View list
11 2080135807 Mouers, M (Melvia) 1 0.0 0 0 1 0.0 1194.0 -425.0 769.0 View list
12 2070141355 Mosimane, A (Atlegang) 1 0.0 0 0 1 0.0 1194.0 -425.0 769.0 View list
13 208086409 Makatong, S (Sara-Lee) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
14 1080135187 Jaartzen, N (Neville) 1 0.0 0 0 1 0.0 1139.9 -425.0 714.9 View list
15 109086408 Iglesias Giannantonio, M (Mario) 1 0.0 0 0 1 0.0 1139.9 -425.0 714.9 View list
16 2070110895 Gorrah, J (Jaime) 1 0.0 0 0 1 0.0 1194.0 -425.0 769.0 View list
17 207084932 Baai, A (Andrea) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list