Player Page

Van Niekerk, J (Jazwon)
Dob: 2007/07/18 (U18)
Gender: Male
Chess SA id: 1070151317
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/07/27 (117 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 rating1248.1
Current Weighted rating1240.5
Current Weighted performance1143.0
Current official/published rating (highest between Raw, WR and WP)1248.1
Current highest rating achieved1259.4
Current floor (min rating allowed)759.4
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)±154.8
Current Raw change used (final)0.0
Projected new Raw rating1248.1
Projected new Weighed rating1141.4
Projected new Weighted performance1143.0
Projected new final Raw rating (if new WP > new Raw)1248.1
Projected new highest rating1259.4
Projected new floor759.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1248.1
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 rating1235.6
Current Weighted rating1232.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1235.6
Current highest rating achieved1251.0
Current floor (min rating allowed)751.0
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)±157.6
Current Raw change used (final)0.0
Projected new Raw rating1235.6
Projected new Weighed rating1134.0
Projected new Weighted performance1054.8
Projected new final Raw rating (if new WP > new Raw)1235.6
Projected new highest rating1251.0
Projected new floor751.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1235.6
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 rating1217.6
Current Weighted rating1210.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1217.6
Current highest rating achieved1217.6
Current floor (min rating allowed)717.6
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)±161.7
Current Raw change used (final)0.0
Projected new Raw rating1217.6
Projected new Weighed rating1114.0
Projected new Weighted performance400.6
Projected new final Raw rating (if new WP > new Raw)1217.6
Projected new highest rating1217.6
Projected new floor717.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1217.6
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
3 Cape Winelands - Top Schools 2024 (U18 Mixed) 2024/07/27 2024/07/27 Cape Winelands (WCW) Standard 60 0.83 5 4 2.5 1219.7 1199.2 Analysis
2 Cape Winelands Schools - Prestige 2024 (U18 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 1.0 1259.4 1251.0 Analysis
1 Cape Winelands Schools - HS Trials 1 2024 (U18 Boys) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 3.0 1246.8 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 Cape Winelands - Top Schools 2024 (U18 Mixed) 2024/07/27 2024/07/27 Cape Winelands (WCW) Standard 60 0.83 5 4 2.5 1219.7 1199.2 Analysis
4 Cape Winelands Schools - Prestige 2024 (U18 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 1.0 1259.4 1251.0 Analysis
3 Cape Winelands Schools - HS Trials 1 2024 (U18 Boys) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 3.0 1246.8 1200.0 Analysis
2 Cape Winelands Schools Prestige 2023 (U17 Boys) 2023/03/11 2023/03/11 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1222.6 1220.0 Analysis
1 Cape Winelands Schools Chess - Trials 1 2023 (U17 Boys) 2023/02/25 2023/02/25 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 15 6 1 8 6.5 43.3 -56.7 1308.6 1252.0
White 7 4 0 3 4.0 57.1 60.7 1268.7 1329.4
Black 8 2 1 5 2.5 31.3 -159.4 1343.6 1184.2
Standard All 9 3 1 5 3.5 38.9 -94.4 1295.4 1201.0
White 4 2 0 2 2.0 50.0 0.0 1247.2 1247.2
Black 5 1 1 3 1.5 30.0 -170.0 1334.0 1164.0
Rapid All 6 3 0 3 3.0 50.0 0.0 1328.4 1328.4
White 3 2 0 1 2.0 66.7 141.7 1297.3 1438.9
Black 3 1 0 2 1.0 33.3 -141.7 1359.6 1217.9
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 25 11 3 11 12.5 50.0 0.0 1286.7 1286.7
White 12 6 1 5 6.5 54.2 35.4 1279.6 1315.0
Black 13 5 2 6 6.0 46.2 -32.7 1293.2 1260.5
Standard All 19 8 3 8 9.5 50.0 0.0 1273.5 1273.5
White 9 4 1 4 4.5 50.0 0.0 1273.7 1273.7
Black 10 4 2 4 5.0 50.0 0.0 1273.3 1273.3
Rapid All 6 3 0 3 3.0 50.0 0.0 1328.4 1328.4
White 3 2 0 1 2.0 66.7 141.7 1297.3 1438.9
Black 3 1 0 2 1.0 33.3 -141.7 1359.6 1217.9
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1080113447 February, E (Ethan) 2 0.5 0 1 1 25.0 1239.6 -212.5 1027.1 View list
2 1080135526 Moko, K (Khaya) 1 1.0 1 0 0 100.0 1246.8 425.0 1671.8 View list
3 1070137715 Mattheys, C (Clyde) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 108076768 Van De Vyver, W (Wian) 1 1.0 1 0 0 100.0 1219.7 425.0 1644.7 View list
5 1070300521 Sineyile, H (Hlomla) 1 1.0 1 0 0 100.0 1259.4 425.0 1684.4 View list
6 106087909 Scheepers, H (Hyron) 1 1.0 1 0 0 100.0 1222.6 425.0 1647.6 View list
7 1100308115 Samuels, K (Keagan) 1 1.0 1 0 0 100.0 1219.7 425.0 1644.7 View list
8 1080192766 Combrink, P (Pieter) 1 1.0 1 0 0 100.0 1246.8 425.0 1671.8 View list
9 1060151291 Bunza, O (Oliver) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 1070151287 Abrahams, D (Daywin) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
11 1070137617 Verwey, F (Francois) 1 1.0 1 0 0 100.0 1222.6 425.0 1647.6 View list
12 1070096876 Vosloo, T (Tom) 1 1.0 1 0 0 100.0 1246.8 425.0 1671.8 View list
13 106087908 Hall, G (Gregory) 1 0.5 0 1 0 50.0 1222.6 0.0 1222.6 View list
14 107078359 Davids, R (Rafael) 1 0.5 0 1 0 50.0 1222.6 0.0 1222.6 View list
15 1080137611 Odell, E (Eugene) 1 0.0 0 0 1 0.0 1259.4 -425.0 834.4 View list
16 1070115880 Naude, J (Jan-Daniel) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
17 1060137636 Myoli, O (Oscar) 1 0.0 0 0 1 0.0 1259.4 -425.0 834.4 View list
18 1060108632 Maree, B (Brevin) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
19 1070137609 Manuhwa, P (Progress) 1 0.0 0 0 1 0.0 1219.7 -425.0 794.7 View list
20 1070137714 Lirafu, S (Siyambonga) 1 0.0 0 0 1 0.0 1246.8 -425.0 821.8 View list