Player Page

Pieterse, Z (Zandri)
Dob: 2011/03/01 (U14)
Gender: Female
Chess SA id: 2110152999
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2024/03/09 (107 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 rating1143.0
Current Weighted rating1182.0
Current Weighted performance977.4
Current official/published rating (highest between Raw, WR and WP)1182.0
Current highest rating achieved1208.7
Current floor (min rating allowed)708.7
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)±179.8
Current Raw change used (final)0.0
Projected new Raw rating1143.0
Projected new Weighed rating1086.8
Projected new Weighted performance977.4
Projected new final Raw rating (if new WP > new Raw)1143.0
Projected new highest rating1208.7
Projected new floor708.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1143.0
Projected effective change (new Official - current Official)-39.0
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 rating1138.0
Current Weighted rating1181.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1181.1
Current highest rating achieved1210.4
Current floor (min rating allowed)710.4
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)±181.1
Current Raw change used (final)0.0
Projected new Raw rating1138.0
Projected new Weighed rating1085.9
Projected new Weighted performance875.7
Projected new final Raw rating (if new WP > new Raw)1138.0
Projected new highest rating1210.4
Projected new floor710.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1138.0
Projected effective change (new Official - current Official)-43.1
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 rating1197.8
Current Weighted rating1199.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1199.5
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)±166.3
Current Raw change used (final)0.0
Projected new Raw rating1197.8
Projected new Weighed rating1103.5
Projected new Weighted performance376.3
Projected new final Raw rating (if new WP > new Raw)1197.8
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)1197.8
Projected effective change (new Official - current Official)-1.7
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 Benoni Primary School Cluster Individuals 2024 (U13 Girls) 2024/03/09 2024/03/09 Ekurhuleni (GE) Rapid 30 0.60 5 5 2.5 1140.0 1200.0 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U14C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 0.0 1208.7 1210.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 Benoni Primary School Cluster Individuals 2024 (U13 Girls) 2024/03/09 2024/03/09 Ekurhuleni (GE) Rapid 30 0.60 5 5 2.5 1140.0 1200.0 Analysis
4 2024 Gauteng Inter-Region Chess Championship (U14C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 0.0 1208.7 1210.4 Analysis
3 Ekurhuleni North Schools Individual Finals 2023 (U13 Girls) 2023/05/12 2023/05/12 Ekurhuleni (GE) Standard 60 0.83 5 4 2.0 1200.6 1199.6 Analysis
2 Ekurhuleni Trials 2 2023 (U14) 2023/04/22 2023/04/22 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1178.4 1172.0 Analysis
1 Ekhuruleni Chess Trials 1 2023 (U14) 2023/03/25 2023/03/25 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 9 2 1 6 2.5 27.8 -188.9 1184.9 996.0
White 5 0 1 4 0.5 10.0 -340.0 1188.7 848.7
Black 4 2 0 2 2.0 50.0 0.0 1180.2 1180.2
Standard All 4 0 0 4 0.0 0.0 -425.0 1201.4 776.4
White 2 0 0 2 0.0 0.0 -425.0 1211.3 786.3
Black 2 0 0 2 0.0 0.0 -425.0 1191.5 766.5
Rapid All 5 2 1 2 2.5 50.0 0.0 1171.7 1171.7
White 3 0 1 2 0.5 16.7 -283.3 1173.7 890.3
Black 2 2 0 0 2.0 100.0 425.0 1168.8 1593.8
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 23 9 1 13 9.5 41.3 -73.9 1200.4 1126.5
White 12 2 1 9 2.5 20.8 -247.9 1220.3 972.4
Black 11 7 0 4 7.0 63.6 115.9 1178.6 1294.5
Standard All 18 7 0 11 7.0 38.9 -94.4 1208.3 1113.9
White 9 2 0 7 2.0 22.2 -236.1 1235.9 999.8
Black 9 5 0 4 5.0 55.6 47.2 1180.7 1228.0
Rapid All 5 2 1 2 2.5 50.0 0.0 1171.7 1171.7
White 3 0 1 2 0.5 16.7 -283.3 1173.7 890.3
Black 2 2 0 0 2.0 100.0 425.0 1168.8 1593.8
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 2110107822 Myburgh, M (Melinda) 2 0.0 0 0 2 0.0 1170.0 -425.0 745.0 View list
2 2110155110 Maphuthoma, T (Tshegofatso) 1 1.0 1 0 0 100.0 1200.6 425.0 1625.6 View list
3 2110155586 Lourens, A (Ashley) 1 1.0 1 0 0 100.0 1140.0 425.0 1565.0 View list
4 2110155102 Letsolo, K (Kutlwano Masody Annah) 1 1.0 1 0 0 100.0 1200.6 425.0 1625.6 View list
5 1100111981 Hattingh, K (Kale) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 2100154022 Gwaza, U (Unathi) 1 1.0 1 0 0 100.0 1178.4 425.0 1603.4 View list
7 2110190278 Dyson, B (Brenda) 1 1.0 1 0 0 100.0 1140.0 425.0 1565.0 View list
8 1110145736 Castelyn, D (Dean) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 2110154018 Buthelezi, O (Owethu) 1 1.0 1 0 0 100.0 1178.4 425.0 1603.4 View list
10 1110154037 Uriesi, P (Patrick) 1 1.0 1 0 0 100.0 1178.4 425.0 1603.4 View list
11 2110136329 Horn, E (Erin) 1 0.5 0 1 0 50.0 1140.0 0.0 1140.0 View list
12 1110153003 Theron, C (Clea) 1 0.0 0 0 1 0.0 1140.0 -425.0 715.0 View list
13 1100153990 Segeel, K (Kian) 1 0.0 0 0 1 0.0 1178.4 -425.0 753.4 View list
14 1110135545 Mohonwe, LK (Lebone Kgosi) 1 0.0 0 0 1 0.0 1208.7 -425.0 783.7 View list
15 2100149402 Mitileni, V (Vutlhari) 1 0.0 0 0 1 0.0 1208.7 -425.0 783.7 View list
16 2110155111 Masogo, M (Mogau Raesibe) 1 0.0 0 0 1 0.0 1200.6 -425.0 775.6 View list
17 110092125 Jansen Van Vuuren, J (Joshua) 1 0.0 0 0 1 0.0 1208.7 -425.0 783.7 View list
18 2110111566 Hingorani, R (Ridhima) 1 0.0 0 0 1 0.0 1200.6 -425.0 775.6 View list
19 1120155245 Booysen, Z (Zian) 1 0.0 0 0 1 0.0 1208.7 -425.0 783.7 View list
20 1100154020 Du Preez, A (Anro) 1 0.0 0 0 1 0.0 1178.4 -425.0 753.4 View list