Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
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:
2024/04/20 (30 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
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
Curent Raw rating
1338.2
Curent Weighted rating
1294.3
Curent Weighted performance
1302.2
Current official/published rating (highest between Raw, WR and WP)
1338.2
Current floor (min rating allowed)
863.4
Current highest rating achieved
1363.4
Current K-factor
36
Games played this month
0
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)
±136.2
Current Raw change used (final)
0.0
Projected new Raw rating
1338.2
Projected new Weighed rating
1300.8
Projected new Weighted performance
1302.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1338.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1363.4
Projected new floor
863.4
Projected new K-facor
36
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
Curent Raw rating
1343.2
Curent Weighted rating
1305.6
Curent Weighted performance
1297.8
Current official/published rating (highest between Raw, WR and WP)
1343.2
Current floor (min rating allowed)
881.6
Current highest rating achieved
1381.6
Current K-factor
36
Games played this month
0
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)
±135.2
Current Raw change used (final)
0.0
Projected new Raw rating
1343.2
Projected new Weighed rating
1312.1
Projected new Weighted performance
1297.8
Projected new official/published rating (highest between new Raw, new WR and new WP)
1343.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1381.6
Projected new floor
881.6
Projected new K-facor
36
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
Curent Raw rating
1157.6
Curent Weighted rating
1174.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1174.6
Current floor (min rating allowed)
657.6
Current highest rating achieved
1157.6
Current K-factor
40
Games played this month
0
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 rating
1157.6
Projected new Weighed rating
1172.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1172.4
Projected effective change (new Official - current Official)
-2.1
Projected new highest rating
1157.6
Projected new floor
657.6
Projected new K-facor
40
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
Curent Raw rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
657.6
Current highest rating achieved
1200.0
Current K-factor
36
Games played this month
0
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 rating
1200.0
Projected new Weighed rating
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
657.6
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
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
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
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
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
26
13
1
12
13.5
51.9
16.3
1288.5
1304.9
White
12
6
0
6
6.0
50.0
0.0
1305.2
1305.2
Black
14
7
1
6
7.5
53.6
30.4
1274.2
1304.6
Standard
All
26
13
1
12
13.5
51.9
16.3
1288.5
1304.9
White
12
6
0
6
6.0
50.0
0.0
1305.2
1305.2
Black
14
7
1
6
7.5
53.6
30.4
1274.2
1304.6
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
81
43
5
33
45.5
56.2
52.5
1242.9
1295.4
White
37
18
2
17
19.0
51.4
11.5
1248.1
1259.6
Black
44
25
3
16
26.5
60.2
86.9
1238.5
1325.4
Standard
All
75
41
4
30
43.0
57.3
62.3
1243.3
1305.6
White
34
17
1
16
17.5
51.5
12.5
1252.3
1264.8
Black
41
24
3
14
25.5
62.2
103.7
1235.7
1339.4
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 id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1050193112
Fourie, S (Shane)
2
2.0
2
0
0
100.0
1303.2
425.0
1728.2
View list
2
1050193177
Langhtrey, B (Brentiano)
2
2.0
2
0
0
100.0
1303.2
425.0
1728.2
View list
3
2080117651
Wesinyane, T (Tshireletso)
2
1.0
1
0
1
50.0
1226.1
0.0
1226.1
View list
4
107088324
Beukes, R (Rayneqo)
1
1.0
1
0
0
100.0
1329.5
425.0
1754.5
View list
5
2080300772
Beukes, M (Meia)
1
1.0
1
0
0
100.0
1329.5
425.0
1754.5
View list
6
1090155415
Bate, Q (Quinn)
1
1.0
1
0
0
100.0
1199.1
425.0
1624.1
View list
7
103004765
Cilliers, H (Henrique)
1
1.0
1
0
0
100.0
1351.3
425.0
1776.3
View list
8
1080113648
Els, JA (Jeffrey Allan)
1
1.0
1
0
0
100.0
1199.1
425.0
1624.1
View list
9
1120109890
Grahan, T (Tylo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
10
206071024
Gladile, S (Smangele)
1
1.0
1
0
0
100.0
1279.8
425.0
1704.8
View list
11
1840151780
Hayward, S (Stuart)
1
1.0
1
0
0
100.0
1314.5
425.0
1739.5
View list
12
2120135696
Hu-Grobbelaar, L (Lalu)
1
1.0
1
0
0
100.0
1363.4
425.0
1788.4
View list
13
1140135082
Janse Van Rensburg, J (Josh)
1
1.0
1
0
0
100.0
1314.5
425.0
1739.5
View list
14
1120109887
Jonker, T (Tertius)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
15
2070161821
Julies, R (Ruche)
1
1.0
1
0
0
100.0
1329.5
425.0
1754.5
View list
16
1050300775
Marais, D (Dewandre)
1
1.0
1
0
0
100.0
1303.2
425.0
1728.2
View list
17
2070156013
Marindi, J (Jabulani)
1
1.0
1
0
0
100.0
1279.8
425.0
1704.8
View list
18
1060159833
Masuku, N (Njabulo)
1
1.0
1
0
0
100.0
1279.8
425.0
1704.8
View list
19
1090161126
Matsepane, O (Oratile)
1
1.0
1
0
0
100.0
1363.4
425.0
1788.4
View list
20
1070161127
Mavuso, M (Mpilenhle)
1
1.0
1
0
0
100.0
1279.8
425.0
1704.8
View list