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: 2024/03/02 (116 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 rating1219.7
Current Weighted rating1236.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1236.4
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)±161.2
Current Raw change used (final)0.0
Projected new Raw rating1219.7
Projected new Weighed rating1138.1
Projected new Weighted performance1023.3
Projected new final Raw rating (if new WP > new Raw)1219.7
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)1219.7
Projected effective change (new Official - current Official)-16.7
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 rating1199.2
Current Weighted rating1233.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1233.5
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)±166.0
Current Raw change used (final)0.0
Projected new Raw rating1199.2
Projected new Weighed rating1135.2
Projected new Weighted performance850.9
Projected new final Raw rating (if new WP > new Raw)1199.2
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)1199.2
Projected effective change (new Official - current Official)-34.3
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 rating1205.3
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 rating1109.0
Projected new Weighted performance423.1
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
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
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 11 4 0 7 4.0 36.4 -115.9 1306.0 1190.0
White 5 2 0 3 2.0 40.0 -85.0 1276.0 1191.0
Black 6 2 0 4 2.0 33.3 -141.7 1330.9 1189.2
Standard All 5 1 0 4 1.0 20.0 -255.0 1279.0 1024.0
White 2 0 0 2 0.0 0.0 -425.0 1244.2 819.2
Black 3 1 0 2 1.0 33.3 -141.7 1302.2 1160.5
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 21 9 2 10 10.0 47.6 -20.2 1281.1 1260.9
White 10 4 1 5 4.5 45.0 -42.5 1285.5 1243.0
Black 11 5 1 5 5.5 50.0 0.0 1277.1 1277.1
Standard All 15 6 2 7 7.0 46.7 -28.3 1262.2 1233.8
White 7 2 1 4 2.5 35.7 -121.4 1280.4 1159.0
Black 8 4 1 3 4.5 56.3 53.1 1246.2 1299.3
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 1070300521 Sineyile, H (Hlomla) 1 1.0 1 0 0 100.0 1259.4 425.0 1684.4 View list
2 106087909 Scheepers, H (Hyron) 1 1.0 1 0 0 100.0 1222.6 425.0 1647.6 View list
3 1070096876 Vosloo, T (Tom) 1 1.0 1 0 0 100.0 1246.8 425.0 1671.8 View list
4 1070137617 Verwey, F (Francois) 1 1.0 1 0 0 100.0 1222.6 425.0 1647.6 View list
5 1080135526 Moko, K (Khaya) 1 1.0 1 0 0 100.0 1246.8 425.0 1671.8 View list
6 1070137715 Mattheys, C (Clyde) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1080192766 Combrink, P (Pieter) 1 1.0 1 0 0 100.0 1246.8 425.0 1671.8 View list
8 1060151291 Bunza, O (Oliver) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1070151287 Abrahams, D (Daywin) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 106087908 Hall, G (Gregory) 1 0.5 0 1 0 50.0 1222.6 0.0 1222.6 View list
11 107078359 Davids, R (Rafael) 1 0.5 0 1 0 50.0 1222.6 0.0 1222.6 View list
12 108072148 Van Heerden, EJ (Ethan Joel) 1 0.0 0 0 1 0.0 1246.8 -425.0 821.8 View list
13 1080137611 Odell, E (Eugene) 1 0.0 0 0 1 0.0 1259.4 -425.0 834.4 View list
14 1070115880 Naude, J (Jan-Daniel) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 1060137636 Myoli, O (Oscar) 1 0.0 0 0 1 0.0 1259.4 -425.0 834.4 View list
16 1060108632 Maree, B (Brevin) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
17 1070137714 Lirafu, S (Siyambonga) 1 0.0 0 0 1 0.0 1246.8 -425.0 821.8 View list
18 1060132378 Konstabel, M (Marquen) 1 0.0 0 0 1 0.0 1246.8 -425.0 821.8 View list
19 1070137605 Jaeger, D (Daniel) 1 0.0 0 0 1 0.0 1259.4 -425.0 834.4 View list
20 107078341 Ismail, A (Amar) 1 0.0 0 0 1 0.0 1222.6 -425.0 797.6 View list