Player Page

Du Preez, Z (Zolani)
Dob: 2013/04/10 (U12)
Gender: Male
Chess SA id: 1130143658
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/10/13 (49 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 rating1192.4
Current Weighted rating1176.4
Current Weighted performance1133.6
Current official/published rating (highest between Raw, WR and WP)1192.4
Current highest rating achieved1196.9
Current floor (min rating allowed)696.9
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)±167.6
Current Raw change used (final)0.0
Projected new Raw rating1192.4
Projected new Weighed rating1082.6
Projected new Weighted performance1133.6
Projected new final Raw rating (if new WP > new Raw)1192.4
Projected new highest rating1196.9
Projected new floor696.9
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1192.4
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 rating1152.8
Current Weighted rating1148.7
Current Weighted performance1082.6
Current official/published rating (highest between Raw, WR and WP)1152.8
Current highest rating achieved1198.8
Current floor (min rating allowed)698.8
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)±177.3
Current Raw change used (final)0.0
Projected new Raw rating1152.8
Projected new Weighed rating1057.3
Projected new Weighted performance1082.6
Projected new final Raw rating (if new WP > new Raw)1152.8
Projected new highest rating1198.8
Projected new floor698.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1152.8
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 rating1217.1
Current Weighted rating1199.4
Current Weighted performance1161.0
Current official/published rating (highest between Raw, WR and WP)1217.1
Current highest rating achieved1229.4
Current floor (min rating allowed)729.4
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)±161.8
Current Raw change used (final)0.0
Projected new Raw rating1217.1
Projected new Weighed rating1103.1
Projected new Weighted performance1161.0
Projected new final Raw rating (if new WP > new Raw)1217.1
Projected new highest rating1229.4
Projected new floor729.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1217.1
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.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
12 UCT Open Chess Championship 2024 (U12) 2024/10/12 2024/10/13 Cape Town (WCT) Rapid 25 0.54 6 6 3.0 1186.9 1206.7 Analysis
11 Spring Slam 2024 (U12) 2024/10/05 2024/10/05 Cape Town (WCT) Rapid 20 0.47 6 6 3.0 1186.9 1206.7 Analysis
10 CT Metro Central District Top Schools 2024 (U11 Mixed) 2024/07/27 2024/07/27 Cape Town (WCT) Rapid 30 0.60 5 5 3.0 1147.8 1179.0 Analysis
9 South African Open Chess Championship 2024 (C) 2024/07/04 2024/07/07 Ethekwini (KED) Standard 90 0.94 7 7 2.5 1147.8 1138.8 Analysis
8 Cape Town Chess Federation Closed Chess Championships 2024 (U12) 2024/06/15 2024/06/16 Cape Town (WCT) Standard 70 0.87 6 6 2.0 1161.0 1158.4 Analysis
7 Cape Town Junior League Finals 2024 (U13 Open B) 2024/05/18 2024/05/18 Cape Town (WCT) Rapid 25 0.54 6 5 1.0 1178.8 1192.7 Analysis
6 Steinitz Chess Festival 2024 (U12) 2024/05/11 2024/05/11 Cape Town (WCT) Rapid 20 0.47 5 5 3.0 1178.8 1192.7 Analysis
5 Cape Town Junior League - Qualifier 2 2024 (U13) 2024/04/20 2024/04/20 Cape Town (WCT) Rapid 25 0.54 6 5 2.0 1178.8 1192.7 Analysis
4 Cape Town Junior League Qualifier 2024 (U13 Open) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 25 0.54 6 5 3.0 1158.3 1152.4 Analysis
3 Cape Town Metro Schools Chess Closed Individuals 2024 (U11 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 2.0 1167.9 1177.6 Analysis
2 Cape of Good Hope Open Chess Tournament 2024 (U12) 2024/02/17 2024/02/17 Cape Town (WCT) Rapid 30 0.60 6 6 1.0 1187.6 1216.8 Analysis
1 CT Metro Central District Schools Chess Individuals Trials 2024 (U11 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 3.0 1187.6 1142.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
30 UCT Open Chess Championship 2024 (U12) 2024/10/12 2024/10/13 Cape Town (WCT) Rapid 25 0.54 6 6 3.0 1186.9 1206.7 Analysis
29 Spring Slam 2024 (U12) 2024/10/05 2024/10/05 Cape Town (WCT) Rapid 20 0.47 6 6 3.0 1186.9 1206.7 Analysis
28 CT Metro Central District Top Schools 2024 (U11 Mixed) 2024/07/27 2024/07/27 Cape Town (WCT) Rapid 30 0.60 5 5 3.0 1147.8 1179.0 Analysis
27 South African Open Chess Championship 2024 (C) 2024/07/04 2024/07/07 Ethekwini (KED) Standard 90 0.94 7 7 2.5 1147.8 1138.8 Analysis
26 Cape Town Chess Federation Closed Chess Championships 2024 (U12) 2024/06/15 2024/06/16 Cape Town (WCT) Standard 70 0.87 6 6 2.0 1161.0 1158.4 Analysis
25 Cape Town Junior League Finals 2024 (U13 Open B) 2024/05/18 2024/05/18 Cape Town (WCT) Rapid 25 0.54 6 5 1.0 1178.8 1192.7 Analysis
24 Steinitz Chess Festival 2024 (U12) 2024/05/11 2024/05/11 Cape Town (WCT) Rapid 20 0.47 5 5 3.0 1178.8 1192.7 Analysis
23 Cape Town Junior League - Qualifier 2 2024 (U13) 2024/04/20 2024/04/20 Cape Town (WCT) Rapid 25 0.54 6 5 2.0 1178.8 1192.7 Analysis
22 Cape Town Junior League Qualifier 2024 (U13 Open) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 25 0.54 6 5 3.0 1158.3 1152.4 Analysis
21 Cape Town Metro Schools Chess Closed Individuals 2024 (U11 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 2.0 1167.9 1177.6 Analysis
20 Cape of Good Hope Open Chess Tournament 2024 (U12) 2024/02/17 2024/02/17 Cape Town (WCT) Rapid 30 0.60 6 6 1.0 1187.6 1216.8 Analysis
19 CT Metro Central District Schools Chess Individuals Trials 2024 (U11 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 3.0 1187.6 1142.4 Analysis
18 Gugulethu Chess College Bashment Cup 2023 (U11) 2023/12/06 2023/12/06 Cape Town (WCT) Rapid 20 0.47 5 5 3.0 1176.3 1193.8 Analysis
17 Bonnievale Open Rapid 2023 (U12) 2023/10/21 2023/10/21 Cape Winelands (WCW) Rapid 25 0.54 6 6 3.0 1158.8 1169.3 Analysis
16 Western Cape Closed Championship 2023 (U12) 2023/09/23 2023/09/23 Cape Town (WCT) Rapid 25 0.54 6 6 2.0 1160.9 1209.6 Analysis
15 Cape Town Junior Chess League Finals 2023 (U12A) 2023/09/16 2023/09/16 Cape Town (WCT) Rapid 25 0.54 7 7 2.5 1160.9 1209.6 Analysis
14 Western Cape Top Schools 2023 (U11 Mixed) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 6 5 2.0 1160.9 1130.8 Analysis
13 Cape Town Junior Chess League - Round 1 2023 (U12A) 2023/07/22 2023/07/22 Cape Town (WCT) Rapid 25 0.54 7 6 2.5 1167.7 1228.3 Analysis
12 Curro Durbanville Chess Open Rapid 2023 (U12) 2023/07/15 2023/07/15 Cape Town (WCT) Rapid 35 0.66 6 6 2.0 1167.7 1228.3 Analysis
11 WP Closed 2023 (U12) 2023/06/16 2023/06/17 Cape Town (WCT) Standard 70 0.87 6 6 2.0 1162.7 1122.0 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 67 28 1 38 28.5 42.5 -63.4 1236.8 1173.4
White 32 13 1 18 13.5 42.2 -66.4 1240.6 1174.2
Black 35 15 0 20 15.0 42.9 -60.7 1233.4 1172.6
Standard All 24 9 1 14 9.5 39.6 -88.5 1263.3 1174.7
White 11 5 1 5 5.5 50.0 0.0 1243.7 1243.7
Black 13 4 0 9 4.0 30.8 -163.5 1279.9 1116.4
Rapid All 43 19 0 24 19.0 44.2 -49.4 1222.0 1172.6
White 21 8 0 13 8.0 38.1 -101.2 1239.0 1137.8
Black 22 11 0 11 11.0 50.0 0.0 1205.9 1205.9
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 169 70 4 95 72.0 42.6 -62.9 1236.9 1174.0
White 83 36 2 45 37.0 44.6 -46.1 1233.9 1187.8
Black 86 34 2 50 35.0 40.7 -79.1 1239.8 1160.7
Standard All 63 23 1 39 23.5 37.3 -107.9 1258.0 1150.1
White 30 13 1 16 13.5 45.0 -42.5 1233.3 1190.8
Black 33 10 0 23 10.0 30.3 -167.4 1280.5 1113.1
Rapid All 106 47 3 56 48.5 45.8 -36.1 1224.3 1188.2
White 53 23 1 29 23.5 44.3 -48.1 1234.2 1186.1
Black 53 24 2 27 25.0 47.2 -24.1 1214.5 1190.4
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 2130134080 Nyengula, A (Ayole) 5 4.0 4 0 1 80.0 1181.4 255.0 1436.4 View list
2 1140135124 Nogaga, O (Owethu) 5 2.5 2 1 2 50.0 1170.9 0.0 1170.9 View list
3 1130134079 Mngqibisa, P (Phila) 4 2.0 2 0 2 50.0 1171.2 0.0 1171.2 View list
4 1130135090 Mputing, T (Thando) 4 1.0 1 0 3 25.0 1183.6 -212.5 971.1 View list
5 1130116442 Grove, T (Tyler) 4 0.0 0 0 4 0.0 1171.5 -425.0 746.5 View list
6 1130146772 Mrwetyana, L (Lethu) 3 3.0 3 0 0 100.0 1172.7 425.0 1597.7 View list
7 1130134077 Manentsa, K (Kungawo) 3 1.0 1 0 2 33.3 1162.7 -141.7 1021.1 View list
8 1120143639 Mabaso, A (Ahlumile) 3 0.0 0 0 3 0.0 1167.2 -425.0 742.2 View list
9 2130147550 Batyi, L (Lelethu) 2 2.0 2 0 0 100.0 1168.4 425.0 1593.4 View list
10 2130152903 Kotliar, B (Beatrisa) 2 2.0 2 0 0 100.0 1173.7 425.0 1598.7 View list
11 1110157909 Teka, A (Azolo) 2 2.0 2 0 0 100.0 1161.8 425.0 1586.8 View list
12 1120147432 Damane, L (Lukhanyo) 2 1.0 1 0 1 50.0 1167.3 0.0 1167.3 View list
13 1130150133 Makumbe, P (Passion) 2 1.0 1 0 1 50.0 1164.2 0.0 1164.2 View list
14 1130193291 Mu’azzam, M (Muhammad Zaid Ghafi) 2 1.0 1 0 1 50.0 1177.8 0.0 1177.8 View list
15 2130118022 Shapiro, H (Hannah) 2 1.0 1 0 1 50.0 1180.5 0.0 1180.5 View list
16 1130132165 Calitz, S (Steyn) 2 0.0 0 0 2 0.0 1164.3 -425.0 739.3 View list
17 1120112770 Botha, E (Eduan) 2 0.0 0 0 2 0.0 1161.6 -425.0 736.6 View list
18 1120150398 He, Z (Zonghan) 2 0.0 0 0 2 0.0 1173.3 -425.0 748.3 View list
19 1130158782 Magubane, P (Phila) 2 0.0 0 0 2 0.0 1164.4 -425.0 739.4 View list
20 1140137570 Robertson, M (Marvin) 2 0.0 0 0 2 0.0 1164.3 -425.0 739.3 View list