Player Page

Van Wyk, J (Jonathan)
Dob: 2008/07/28 (U18)
Gender: Male
Chess SA id: 1080109888
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2024/08/03 (67 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 rating1352.5
Current Weighted rating1323.2
Current Weighted performance1319.3
Current official/published rating (highest between Raw, WR and WP)1352.5
Current highest rating achieved1363.4
Current floor (min rating allowed)863.4
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)±133.4
Current Raw change used (final)0.0
Projected new Raw rating1352.5
Projected new Weighed rating1219.8
Projected new Weighted performance1319.3
Projected new final Raw rating (if new WP > new Raw)1352.5
Projected new highest rating1363.4
Projected new floor863.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1352.5
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 rating1359.0
Current Weighted rating1334.3
Current Weighted performance1319.3
Current official/published rating (highest between Raw, WR and WP)1359.0
Current highest rating achieved1381.6
Current floor (min rating allowed)881.6
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)±132.2
Current Raw change used (final)0.0
Projected new Raw rating1359.0
Projected new Weighed rating1230.2
Projected new Weighted performance1319.3
Projected new final Raw rating (if new WP > new Raw)1359.0
Projected new highest rating1381.6
Projected new floor881.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1359.0
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 rating1157.6
Current Weighted rating1165.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1165.4
Current highest rating achieved1157.6
Current floor (min rating allowed)657.6
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)±176.1
Current Raw change used (final)0.0
Projected new Raw rating1157.6
Projected new Weighed rating1071.4
Projected new Weighted performance335.4
Projected new final Raw rating (if new WP > new Raw)1157.6
Projected new highest rating1157.6
Projected new floor657.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1157.6
Projected effective change (new Official - current Official)-7.8
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
6 2024 Tshwane North School District Team League Finals (U19) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 4 3.0 1334.9 1338.5 Analysis
5 2024 Tshwane North School District Cluster 4 & 5 Team League (U19) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 3 2 1.0 1338.2 1343.2 Analysis
4 Eden Chess Trials 2 2024 (U18) 2024/04/13 2024/04/20 Eden (WEG) Standard 60 0.83 10 10 5.5 1329.5 1339.2 Analysis
3 Western Cape HS Individuals Championship 2024 (U20 Boys+Girls) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 4.0 1303.2 1317.2 Analysis
2 Eden School Chess Trials 1 2024 (U20 Mix) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 5 3.0 1303.2 1317.2 Analysis
1 2024 Tshwane Chess OPEN Registration Tournament (C2) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1351.3 1381.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
17 2024 Tshwane North School District Team League Finals (U19) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 4 3.0 1334.9 1338.5 Analysis
16 2024 Tshwane North School District Cluster 4 & 5 Team League (U19) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 3 2 1.0 1338.2 1343.2 Analysis
15 Eden Chess Trials 2 2024 (U18) 2024/04/13 2024/04/20 Eden (WEG) Standard 60 0.83 10 10 5.5 1329.5 1339.2 Analysis
14 Western Cape HS Individuals Championship 2024 (U20 Boys+Girls) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 4.0 1303.2 1317.2 Analysis
13 Eden School Chess Trials 1 2024 (U20 Mix) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 5 3.0 1303.2 1317.2 Analysis
12 2024 Tshwane Chess OPEN Registration Tournament (C2) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1351.3 1381.6 Analysis
11 Lardies Open Tournament 2023 (C) 2023/10/28 2023/10/28 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1314.5 1343.4 Analysis
10 2023 Alekhine Open Tournament (C) 2023/09/09 2023/09/09 Tshwane (GTP) Standard 90 0.94 5 3 1.0 1363.4 1364.3 Analysis
9 2023 u16 OR Tambo Soncini Chess Tournament 2023/09/02 2023/09/02 Tshwane (GTP) Rapid 30 0.60 6 6 2.5 1363.4 1200.0 Analysis
8 2023 Gauteng Top Schools (U17 Mixed) 2023/08/19 2023/08/19 West Rand (GWR) Standard 60 0.83 5 5 4.0 1279.8 1289.4 Analysis
7 2023 Tshwane North School District CLOSED League Championships (D3) (U17) 2023/08/12 2023/08/12 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1279.8 1289.4 Analysis
6 Gauteng Schools Individual Finals 2023 (U15 Boys) 2023/05/27 2023/05/27 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1199.1 1190.0 Analysis
5 2023 Tshwane North School District CLOSED Individual Championships (D3) (U15 Open) 2023/05/13 2023/05/13 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1199.1 1190.0 Analysis
4 2023 Piet Robbertse Fide Rated Open Chess Tournament (C) 2023/02/04 2023/02/05 Tshwane (GTP) Standard 90 0.94 5 5 2.5 1172.4 1161.6 Analysis
3 2021 D3 Individual (U13 Open) 2021/10/13 2021/10/13 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1206.5 1204.1 Analysis
2 Word of Life 2019 (C) 2019/05/11 2019/05/11 Sedibeng (GSV) Standard 60 0.83 5 5 1.5 1294.6 1312.8 Analysis
1 2019 TuksChess Open (D) 2019/02/23 2019/02/23 Tshwane (GTP) Standard 60 0.83 7 6 6.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 32 17 1 14 17.5 54.7 39.8 1283.8 1323.6
White 15 7 0 8 7.0 46.7 -28.3 1298.6 1270.2
Black 17 10 1 6 10.5 61.8 100.0 1270.7 1370.7
Standard All 32 17 1 14 17.5 54.7 39.8 1283.8 1323.6
White 15 7 0 8 7.0 46.7 -28.3 1298.6 1270.2
Black 17 10 1 6 10.5 61.8 100.0 1270.7 1370.7
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 87 47 5 35 49.5 56.9 58.6 1244.3 1302.9
White 40 19 2 19 20.0 50.0 0.0 1249.9 1249.9
Black 47 28 3 16 29.5 62.8 108.5 1239.5 1348.0
Standard All 81 45 4 32 47.0 58.0 68.2 1244.7 1313.0
White 37 18 1 18 18.5 50.0 0.0 1253.9 1253.9
Black 44 27 3 14 28.5 64.8 125.6 1237.0 1362.6
Rapid All 6 2 1 3 2.5 41.7 -70.8 1238.2 1167.3
White 3 1 1 1 1.5 50.0 0.0 1200.0 1200.0
Black 3 1 0 2 1.0 33.3 -141.7 1276.3 1134.7
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1050193112 Fourie, S (Shane) 2 2.0 2 0 0 100.0 1303.2 425.0 1728.2 View list
2 1060303432 Fourie, R (Richo) 2 2.0 2 0 0 100.0 1336.6 425.0 1761.6 View list
3 1050193177 Langhtrey, B (Brentiano) 2 2.0 2 0 0 100.0 1303.2 425.0 1728.2 View list
4 1070141598 Mathe, T (Thubang) 2 1.0 1 0 1 50.0 1336.6 0.0 1336.6 View list
5 2080117651 Wesinyane, T (Tshireletso) 2 1.0 1 0 1 50.0 1226.1 0.0 1226.1 View list
6 107088324 Beukes, R (Rayneqo) 1 1.0 1 0 0 100.0 1329.5 425.0 1754.5 View list
7 2080300772 Beukes, M (Meia) 1 1.0 1 0 0 100.0 1329.5 425.0 1754.5 View list
8 1090155415 Bate, Q (Quinn) 1 1.0 1 0 0 100.0 1199.1 425.0 1624.1 View list
9 103004765 Cilliers, H (Henrique) 1 1.0 1 0 0 100.0 1351.3 425.0 1776.3 View list
10 1080113648 Els, JA (Jeffrey Allan) 1 1.0 1 0 0 100.0 1199.1 425.0 1624.1 View list
11 1120109890 Grahan, T (Tylo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
12 206071024 Gladile, S (Smangele) 1 1.0 1 0 0 100.0 1279.8 425.0 1704.8 View list
13 1840151780 Hayward, S (Stuart) 1 1.0 1 0 0 100.0 1314.5 425.0 1739.5 View list
14 2120135696 Hu-Grobbelaar, L (Lalu) 1 1.0 1 0 0 100.0 1363.4 425.0 1788.4 View list
15 1140135082 Janse Van Rensburg, J (Josh) 1 1.0 1 0 0 100.0 1314.5 425.0 1739.5 View list
16 1120109887 Jonker, T (Tertius) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
17 2070161821 Julies, R (Ruche) 1 1.0 1 0 0 100.0 1329.5 425.0 1754.5 View list
18 1050156010 Lekalakala, T (Tshepang) 1 1.0 1 0 0 100.0 1334.9 425.0 1759.9 View list
19 1050300775 Marais, D (Dewandre) 1 1.0 1 0 0 100.0 1303.2 425.0 1728.2 View list
20 2070156013 Marindi, J (Jabulani) 1 1.0 1 0 0 100.0 1279.8 425.0 1704.8 View list