Player Page

Joubert, Z (Zani)
Dob: 2017/05/03 (U8)
Gender: Female
Chess SA id: 2170191603
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/06/08 (17 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 rating1134.2
Current Weighted rating1180.8
Current Weighted performance1095.0
Current official/published rating (highest between Raw, WR and WP)1180.8
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month10
Score (S)4.0
Expected score (We)3.74
Difference (S-We)0.22
Current Raw change (no limits, including tournament time weight)7.8
Current min/max change allowed (with limits)±182.1
Current Raw change used (final)7.8
Projected new Raw rating1142.0
Projected new Weighed rating1085.7
Projected new Weighted performance1140.8
Projected new final Raw rating (if new WP > new Raw)1142.0
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)1142.0
Projected effective change (new Official - current Official)-38.9
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 rating1129.5
Current Weighted rating1177.9
Current Weighted performance1105.9
Current official/published rating (highest between Raw, WR and WP)1177.9
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month10
Score (S)4.0
Expected score (We)3.67
Difference (S-We)0.33
Current Raw change (no limits, including tournament time weight)11.9
Current min/max change allowed (with limits)±183.3
Current Raw change used (final)11.9
Projected new Raw rating1141.4
Projected new Weighed rating1082.9
Projected new Weighted performance1140.8
Projected new final Raw rating (if new WP > new Raw)1141.4
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)1141.4
Projected effective change (new Official - current Official)-36.6
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 rating1160.8
Current Weighted rating1192.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1192.3
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)±175.3
Current Raw change used (final)0.0
Projected new Raw rating1160.8
Projected new Weighed rating1096.6
Projected new Weighted performance660.3
Projected new final Raw rating (if new WP > new Raw)1160.8
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)1160.8
Projected effective change (new Official - current Official)-31.5
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
Tournament: Second Knight Riders Juniors Open Chess Tournament 2024 (U8)
Start: 2024/06/08  End: 2024/06/08  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 2.0
Main rating: 1134.2  Rating gain/loss: 4.5
Type rating: 1129.5  Rating gain/loss: 7.9
Analysis
Tournament: JMC Trinityhouse Little Falls 2024 (U8)
Start: 2024/06/02  End: 2024/06/02  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 2.0
Main rating: 1134.2  Rating gain/loss: 3.3
Type rating: 1129.5  Rating gain/loss: 4.0
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
10 Second Knight Riders Juniors Open Chess Tournament 2024 (U8) 2024/06/08 2024/06/08 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1134.2 1129.5 Analysis
9 JMC Trinityhouse Little Falls 2024 (U8) 2024/06/02 2024/06/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1134.2 1129.5 Analysis
8 Chess Power House May Open 2024 (E) 2024/05/25 2024/05/25 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1147.0 1141.0 Analysis
7 JMC Crawford International Sandton 2024 (U8) 2024/05/11 2024/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 4 1.0 1147.0 1141.0 Analysis
6 JMC Helpmekaar Kollege Tournament 2024 (U8) 2024/05/04 2024/05/04 Johannesburg Metro (GJM) Standard 60 0.83 5 4 1.0 1147.0 1141.0 Analysis
5 Hermanus Chess Club Open 2024 (Development) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 7 3.0 1148.5 1178.4 Analysis
4 CPH St Andrew's Rapid 2024 (D) 2024/03/30 2024/03/30 Ekurhuleni (GE) Rapid 20 0.47 5 5 2.0 1161.2 1200.0 Analysis
3 2024 Chris Greyling Open Chess Tournament (F) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1161.2 1151.4 Analysis
2 2024 Tshwane Chess AHS Open Chess Tournament (F) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1149.8 1137.4 Analysis
1 JMC Kick Off Tournament 2024 (U8) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
10 Second Knight Riders Juniors Open Chess Tournament 2024 (U8) 2024/06/08 2024/06/08 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1134.2 1129.5 Analysis
9 JMC Trinityhouse Little Falls 2024 (U8) 2024/06/02 2024/06/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1134.2 1129.5 Analysis
8 Chess Power House May Open 2024 (E) 2024/05/25 2024/05/25 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1147.0 1141.0 Analysis
7 JMC Crawford International Sandton 2024 (U8) 2024/05/11 2024/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 4 1.0 1147.0 1141.0 Analysis
6 JMC Helpmekaar Kollege Tournament 2024 (U8) 2024/05/04 2024/05/04 Johannesburg Metro (GJM) Standard 60 0.83 5 4 1.0 1147.0 1141.0 Analysis
5 Hermanus Chess Club Open 2024 (Development) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 7 3.0 1148.5 1178.4 Analysis
4 CPH St Andrew's Rapid 2024 (D) 2024/03/30 2024/03/30 Ekurhuleni (GE) Rapid 20 0.47 5 5 2.0 1161.2 1200.0 Analysis
3 2024 Chris Greyling Open Chess Tournament (F) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1161.2 1151.4 Analysis
2 2024 Tshwane Chess AHS Open Chess Tournament (F) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1149.8 1137.4 Analysis
1 JMC Kick Off Tournament 2024 (U8) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 50 18 3 29 19.5 39.0 -93.5 1212.6 1119.1
White 25 8 2 15 9.0 36.0 -119.0 1211.2 1092.2
Black 25 10 1 14 10.5 42.0 -68.0 1214.0 1146.0
Standard All 38 13 3 22 14.5 38.2 -100.7 1216.5 1115.8
White 19 5 2 12 6.0 31.6 -156.6 1213.6 1057.0
Black 19 8 1 10 8.5 44.7 -44.7 1219.3 1174.6
Rapid All 12 5 0 7 5.0 41.7 -70.8 1200.5 1129.7
White 6 3 0 3 3.0 50.0 0.0 1203.8 1203.8
Black 6 2 0 4 2.0 33.3 -141.7 1197.3 1055.6
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 50 18 3 29 19.5 39.0 -93.5 1212.6 1119.1
White 25 8 2 15 9.0 36.0 -119.0 1211.2 1092.2
Black 25 10 1 14 10.5 42.0 -68.0 1214.0 1146.0
Standard All 38 13 3 22 14.5 38.2 -100.7 1216.5 1115.8
White 19 5 2 12 6.0 31.6 -156.6 1213.6 1057.0
Black 19 8 1 10 8.5 44.7 -44.7 1219.3 1174.6
Rapid All 12 5 0 7 5.0 41.7 -70.8 1200.5 1129.7
White 6 3 0 3 3.0 50.0 0.0 1203.8 1203.8
Black 6 2 0 4 2.0 33.3 -141.7 1197.3 1055.6
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 2170149596 Mabugu, R (Refilwe) 4 1.5 1 1 2 37.5 1148.0 -106.3 1041.8 View list
2 1170300288 Van Zijl, A (Adolf) 2 2.0 2 0 0 100.0 1147.0 425.0 1572.0 View list
3 2170303049 Levitan, E (Eliana) 2 1.0 1 0 1 50.0 1140.6 0.0 1140.6 View list
4 1170157327 Bekker, J (Jacobus) 2 0.0 0 0 2 0.0 1167.1 -425.0 742.1 View list
5 2170151830 Malemane, A (Atlehang Faith) 2 0.0 0 0 2 0.0 1173.5 -425.0 748.5 View list
6 1170157329 Roberts, M (Marthinus) 2 0.0 0 0 2 0.0 1180.6 -425.0 755.6 View list
7 1170147325 Stelloh, A (Alexander) 2 0.0 0 0 2 0.0 1154.1 -425.0 729.1 View list
8 1180305181 Logan, I (Irvine) 1 1.0 1 0 0 100.0 1147.0 425.0 1572.0 View list
9 1170300279 Bender, D (Divan) 1 1.0 1 0 0 100.0 1134.2 425.0 1559.2 View list
10 1170306085 Boungou-Poati, U (U'Tamsi) 1 1.0 1 0 0 100.0 1134.2 425.0 1559.2 View list
11 1170302191 Davids, N (Noah) 1 1.0 1 0 0 100.0 1148.5 425.0 1573.5 View list
12 2170191352 Kgwale, K (Keratilwe) 1 1.0 1 0 0 100.0 1161.2 425.0 1586.2 View list
13 1160154139 Haupt, D (Dawid) 1 1.0 1 0 0 100.0 1149.8 425.0 1574.8 View list
14 2130302195 Mkhapheni, A (Ayakha) 1 1.0 1 0 0 100.0 1148.5 425.0 1573.5 View list
15 2170191631 Muller, L (Limay) 1 1.0 1 0 0 100.0 1161.2 425.0 1586.2 View list
16 1180192091 Peter, B (Bulumko) 1 1.0 1 0 0 100.0 1161.2 425.0 1586.2 View list
17 2160301381 Pistorius, A (Anja) 1 1.0 1 0 0 100.0 1161.2 425.0 1586.2 View list
18 2170300020 Prinsloo, E (Elsje) 1 1.0 1 0 0 100.0 1149.8 425.0 1574.8 View list
19 1110150087 Truter, J (Jake) 1 1.0 1 0 0 100.0 1148.5 425.0 1573.5 View list
20 1170300022 Van Zyl, E (Elijah) 1 1.0 1 0 0 100.0 1149.8 425.0 1574.8 View list