Player Page

Du Preez, J (Janco)
Dob: 2016/06/24 (U10)
Gender: Male
Chess SA id: 1160152343
FIDE id:
Region: Overberg (WOS)
Citizen: RSA
Title(s):
Last active: 2024/05/05 (50 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 rating1197.5
Current Weighted rating1213.6
Current Weighted performance1137.6
Current official/published rating (highest between Raw, WR and WP)1213.6
Current highest rating achieved1252.2
Current floor (min rating allowed)752.2
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)±166.4
Current Raw change used (final)0.0
Projected new Raw rating1197.5
Projected new Weighed rating1116.8
Projected new Weighted performance1137.6
Projected new final Raw rating (if new WP > new Raw)1197.5
Projected new highest rating1252.2
Projected new floor752.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1197.5
Projected effective change (new Official - current Official)-16.1
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 rating1164.0
Current Weighted rating1219.5
Current Weighted performance1085.3
Current official/published rating (highest between Raw, WR and WP)1219.5
Current highest rating achieved1250.8
Current floor (min rating allowed)750.8
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)±174.5
Current Raw change used (final)0.0
Projected new Raw rating1164.0
Projected new Weighed rating1122.2
Projected new Weighted performance1085.3
Projected new final Raw rating (if new WP > new Raw)1164.0
Projected new highest rating1250.8
Projected new floor750.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1164.0
Projected effective change (new Official - current Official)-55.5
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 rating1233.2
Current Weighted rating1181.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1233.2
Current highest rating achieved1233.2
Current floor (min rating allowed)733.2
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)±158.2
Current Raw change used (final)0.0
Projected new Raw rating1233.2
Projected new Weighed rating1087.2
Projected new Weighted performance1087.1
Projected new final Raw rating (if new WP > new Raw)1233.2
Projected new highest rating1233.2
Projected new floor733.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1233.2
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
4 Western Cape PS Individuals Championship 2024 (U9 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 1.0 1252.2 1236.0 Analysis
3 Overberg Schools - PS Closed 2024 (U9 Boys) 2024/03/16 2024/03/16 Overberg (WOS) Standard 60 0.83 5 5 3.0 1202.3 1220.9 Analysis
2 Overberg Schools - PS Trials Region 3 2024 (U9 Boys) 2024/03/02 2024/03/02 Overberg (WOS) Rapid 30 0.60 5 5 4.0 1202.3 1161.6 Analysis
1 Overberg Open Rapid 2024 (U7+U9) 2024/01/27 2024/01/27 Overberg (WOS) Rapid 20 0.47 5 5 2.5 1205.0 1160.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
9 Western Cape PS Individuals Championship 2024 (U9 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 1.0 1252.2 1236.0 Analysis
8 Overberg Schools - PS Closed 2024 (U9 Boys) 2024/03/16 2024/03/16 Overberg (WOS) Standard 60 0.83 5 5 3.0 1202.3 1220.9 Analysis
7 Overberg Schools - PS Trials Region 3 2024 (U9 Boys) 2024/03/02 2024/03/02 Overberg (WOS) Rapid 30 0.60 5 5 4.0 1202.3 1161.6 Analysis
6 Overberg Open Rapid 2024 (U7+U9) 2024/01/27 2024/01/27 Overberg (WOS) Rapid 20 0.47 5 5 2.5 1205.0 1160.0 Analysis
5 Kingsway Open 2023 (U8) 2023/10/28 2023/10/28 Overberg (WOS) Rapid 20 0.47 5 5 2.5 1209.6 1160.0 Analysis
4 Overberg Top Schools 2023 (U7+U9) 2023/08/05 2023/08/05 Overberg (WOS) Standard 60 0.83 5 5 2.0 1232.3 1250.8 Analysis
3 Western Cape PS Individuals 2023 (U7 Boys) 2023/05/05 2023/05/06 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1195.4 1218.4 Analysis
2 Overberg School Chess Closed Tournament 2023 (U7 Boys+Girls) 2023/03/25 2023/03/25 Overberg (WOS) Standard 60 0.83 5 5 3.0 1200.0 1200.0 Analysis
1 Overberg Primary School Trials (Region 2) 2023 (U7 Mix) 2023/02/24 2023/03/10 Overberg (WOS) Rapid 20 0.47 6 3 0.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 21 10 1 10 10.5 50.0 0.0 1223.9 1223.9
White 11 5 0 6 5.0 45.5 -38.6 1225.1 1186.5
Black 10 5 1 4 5.5 55.0 42.5 1222.5 1265.0
Standard All 11 4 0 7 4.0 36.4 -115.9 1247.6 1131.7
White 6 3 0 3 3.0 50.0 0.0 1239.5 1239.5
Black 5 1 0 4 1.0 20.0 -255.0 1257.2 1002.2
Rapid All 10 6 1 3 6.5 65.0 127.5 1197.8 1325.3
White 5 2 0 3 2.0 40.0 -85.0 1207.8 1122.8
Black 5 4 1 0 4.5 90.0 340.0 1187.7 1527.7
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 45 20 5 20 22.5 50.0 0.0 1210.5 1210.5
White 26 11 2 13 12.0 46.2 -32.7 1213.8 1181.1
Black 19 9 3 7 10.5 55.3 44.7 1206.1 1250.8
Standard All 27 12 2 13 13.0 48.1 -15.7 1223.4 1207.6
White 16 8 1 7 8.5 53.1 26.6 1226.2 1252.8
Black 11 4 1 6 4.5 40.9 -77.3 1219.3 1142.0
Rapid All 18 8 3 7 9.5 52.8 23.6 1191.3 1214.9
White 10 3 1 6 3.5 35.0 -127.5 1194.0 1066.5
Black 8 5 2 1 6.0 75.0 212.5 1187.9 1400.4
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 1150154665 Rock, A (Albert) 3 2.5 2 1 0 83.3 1215.6 283.3 1499.0 View list
2 1150152348 Du Plessis, E (Eben) 2 2.0 2 0 0 100.0 1202.3 425.0 1627.3 View list
3 1160300790 Huisamen, H (Heinrich) 2 1.0 1 0 1 50.0 1227.3 0.0 1227.3 View list
4 1160152344 Faasen, C (Charles) 2 0.5 0 1 1 25.0 1200.0 -212.5 987.5 View list
5 1160159271 Grobbelaar, M (Marlo) 2 0.0 0 0 2 0.0 1205.9 -425.0 780.9 View list
6 1160150060 Badenhorst, R (Rouxan) 2 0.0 0 0 2 0.0 1200.0 -425.0 775.0 View list
7 1150300092 Groenewald, P (Patrick) 1 1.0 1 0 0 100.0 1202.3 425.0 1627.3 View list
8 1150154652 Fourie, D (David) 1 1.0 1 0 0 100.0 1202.3 425.0 1627.3 View list
9 1150138484 Henning, I (Ivan) 1 1.0 1 0 0 100.0 1205.0 425.0 1630.0 View list
10 1160151357 Adshade, J (Josua Daniel) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
11 2140146613 Du Toit, W (Wilmari) 1 1.0 1 0 0 100.0 1232.3 425.0 1657.3 View list
12 1160300091 Grieb, N (Nathan) 1 1.0 1 0 0 100.0 1202.3 425.0 1627.3 View list
13 1160142362 Beyers, A (Adriaan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
14 1180191693 Mackenzie, T (Tylo) 1 1.0 1 0 0 100.0 1205.0 425.0 1630.0 View list
15 1160148063 Marner, L (Loannes) 1 1.0 1 0 0 100.0 1195.4 425.0 1620.4 View list
16 1150139117 Mpondombini, P (Payton) 1 1.0 1 0 0 100.0 1252.2 425.0 1677.2 View list
17 1160300099 Ponoane, B (Bohlale) 1 1.0 1 0 0 100.0 1202.3 425.0 1627.3 View list
18 1160148876 Prins, K (Kai) 1 1.0 1 0 0 100.0 1195.4 425.0 1620.4 View list
19 1150151365 Stodart, D (Daniël) 1 1.0 1 0 0 100.0 1209.6 425.0 1634.6 View list
20 2160152345 Van Rensburg, A (Aubrielle) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list