Player Page

Coertzen, Z (Za-Niel)
Dob: 2004/04/21 (Adult)
Gender: Female
Chess SA id: 2040131172
FIDE id:
Region: Mangaung (FMB)
Citizen: RSA
Title(s):
Last active: 2022/08/12 (660 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 rating1154.8
Curent Weighted rating1154.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1154.8
Current floor (min rating allowed)699.0
Current highest rating achieved1199.0
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)±176.8
Current Raw change used (final)0.0
Projected new Raw rating1154.8
Projected new Weighed rating1154.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1154.8
Projected effective change (new Official - current Official)-0.0
Projected new highest rating1199.0
Projected new floor699.0
Projected new K-facor40
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 rating1198.4
Curent Weighted rating1198.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1198.4
Current floor (min rating allowed)698.4
Current highest rating achieved1198.4
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)±166.2
Current Raw change used (final)0.0
Projected new Raw rating1198.4
Projected new Weighed rating1198.4
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1198.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1198.4
Projected new floor698.4
Projected new K-facor40
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 rating1115.6
Curent Weighted rating1115.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1115.6
Current floor (min rating allowed)618.8
Current highest rating achieved1118.8
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)±187.0
Current Raw change used (final)0.0
Projected new Raw rating1115.6
Projected new Weighed rating1115.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1115.6
Projected effective change (new Official - current Official)-0.0
Projected new highest rating1118.8
Projected new floor618.8
Projected new K-facor40
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)618.8
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor618.8
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Bloemfontein School League 2022 (U19) 2022/08/12 2022/08/12 Mangaung (FMB) Rapid 35 0.66 5 5 2.0 1157.7 1118.8 Analysis
3 Bloemfontein Schools League 2022 (U19+Open) 2022/02/25 2022/02/25 Mangaung (FMB) Rapid 22 0.50 5 5 3.0 1142.3 1104.4 Analysis
2 Morris Chess Club Challenge 2021 2021/04/10 2021/04/10 Mangaung (FMB) Rapid 32 0.63 5 4 0.0 1199.0 1200.0 Analysis
1 Morris Club Tournament 2020 2020/02/15 2020/02/15 Mangaung (FMB) 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 6 1 10 6.5 38.2 -100.0 1190.7 1090.7
White 9 4 0 5 4.0 44.4 -47.2 1169.4 1122.1
Black 8 2 1 5 2.5 31.3 -159.4 1214.8 1055.4
Standard All 3 1 1 1 1.5 50.0 0.0 1177.2 1177.2
White 1 0 0 1 0.0 0.0 -425.0 1200.0 775.0
Black 2 1 1 0 1.5 75.0 212.5 1165.8 1378.3
Rapid All 14 5 0 9 5.0 35.7 -121.4 1193.6 1072.2
White 8 4 0 4 4.0 50.0 0.0 1165.5 1165.5
Black 6 1 0 5 1.0 16.7 -283.3 1231.1 947.8
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 1070134117 Motae, K (Kamohelo) 2 0.0 0 0 2 0.0 1199.0 -425.0 774.0 View list
2 1050138221 Seletswane, U (Unathi) 1 1.0 1 0 0 100.0 1142.3 425.0 1567.3 View list
3 1060145481 Rossouw, H (Hardus) 1 1.0 1 0 0 100.0 1157.7 425.0 1582.7 View list
4 1050138218 Pretorius, C (Chad) 1 1.0 1 0 0 100.0 1142.3 425.0 1567.3 View list
5 207061418 Pretorius, A (Ane) 1 1.0 1 0 0 100.0 1142.3 425.0 1567.3 View list
6 1040145479 Nthunya, M (Mpho) 1 1.0 1 0 0 100.0 1157.7 425.0 1582.7 View list
7 1080111842 Mhlontlo, K (Kamohelo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 107095831 Fokase, T (Tshepang) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
9 201034278 Shaba, K (Keneuwe) 1 0.0 0 0 1 0.0 1199.0 -425.0 774.0 View list
10 1110108383 Olivier, R (Riley) 1 0.0 0 0 1 0.0 1199.0 -425.0 774.0 View list
11 1040138214 Molelekoa, R (Retshepile) 1 0.0 0 0 1 0.0 1142.3 -425.0 717.3 View list
12 1060111831 Mitchell, V (Vanadium) 1 0.0 0 0 1 0.0 1157.7 -425.0 732.7 View list
13 1040132535 Barnes, D (Damien) 1 0.0 0 0 1 0.0 1157.7 -425.0 732.7 View list
14 2000100899 Mathibeli, R (Rethabile) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 1050145478 Leserwane, T (Thuto) 1 0.0 0 0 1 0.0 1157.7 -425.0 732.7 View list
16 1070119327 Gerber, M (Michar) 1 0.0 0 0 1 0.0 1142.3 -425.0 717.3 View list