Chess South Africa
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Chess South Africa
Vlok, J (Jan)
Dob:
2009/02/10 (U16)
Gender:
Male
Chess SA id:
109089433
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2023/07/22 (303 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
1205.5
Curent Weighted rating
1196.1
Curent Weighted performance
1012.6
Current official/published rating (highest between Raw, WR and WP)
1205.5
Current floor (min rating allowed)
709.7
Current highest rating achieved
1209.7
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)
±164.5
Current Raw change used (final)
0.0
Projected new Raw rating
1205.5
Projected new Weighed rating
1197.9
Projected new Weighted performance
1012.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1205.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1209.7
Projected new floor
709.7
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
1191.4
Curent Weighted rating
1178.4
Curent Weighted performance
1005.3
Current official/published rating (highest between Raw, WR and WP)
1191.4
Current floor (min rating allowed)
695.4
Current highest rating achieved
1195.4
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)
±167.9
Current Raw change used (final)
0.0
Projected new Raw rating
1191.4
Projected new Weighed rating
1180.8
Projected new Weighted performance
1005.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1191.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1195.4
Projected new floor
695.4
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
708.6
Curent Weighted rating
708.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
708.6
Current floor (min rating allowed)
500.0
Current highest rating achieved
708.6
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)
±333.9
Current Raw change used (final)
0.0
Projected new Raw rating
708.6
Projected new Weighed rating
708.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
708.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
708.6
Projected new floor
500.0
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
659.0
Curent Weighted rating
659.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
659.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
659.0
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)
±358.4
Current Raw change used (final)
0.0
Projected new Raw rating
659.0
Projected new Weighed rating
659.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
659.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
659.0
Projected new floor
500.0
Projected new K-facor
40
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
25
2023 Menlo Open Tournament (C)
2023/07/22
2023/07/22
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1197.7
1179.0
Analysis
24
2023 Milos Ristic Open Tournament (C)
2023/04/27
2023/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1209.7
1195.4
Analysis
23
Chris Greyling Open Tournament 2023 (C)
2023/03/21
2023/03/21
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1147.9
1113.8
Analysis
22
2021 Chris Greyling Open Tournament (C)
2021/05/08
2021/05/08
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1136.3
1089.8
Analysis
21
2020 Tuks Open (C)
2020/02/22
2020/02/22
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1171.8
1123.4
Analysis
20
Waterkloof end of Year Blitz 2019
2019/10/17
2019/10/17
Chess Excellence (CEX)
Blitz
5
0.18
6
6
3.0
1168.4
540.2
Analysis
19
2019 D4 Tshwane South Schools League Team Finals (U11)
2019/07/27
2019/07/27
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1079.6
1036.2
Analysis
18
2019 Super 12 Laerskole (Juniors)
2019/05/04
2019/05/04
Tshwane (GTP)
Rapid
30
0.60
5
5
3.0
1050.8
615.0
Analysis
17
2019 D4 Individual Finals (U11 Mixed)
2019/03/09
2019/03/09
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1010.0
985.4
Analysis
16
2019 Constantia Park Open (D)
2019/02/09
2019/02/09
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1032.6
1011.0
Analysis
15
South African Junior Blitz 2018 (U10)
2018/12/19
2018/12/19
4 Knights (4K)
Blitz
5
0.18
7
7
3.0
1064.3
500.2
Analysis
14
South African Junior Team Championships 2018 (U10B)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
2.0
1064.3
1042.2
Analysis
13
2018 Lardies Ope (D)
2018/10/27
2018/10/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1075.9
1033.3
Analysis
12
2018 Etienne Lewis Trials (U10 Boys)
2018/08/31
2018/09/02
Tshwane (GTP)
Standard
120
1.00
7
7
4.0
1051.4
989.3
Analysis
11
2018 Mid Gauteng Open (D)
2018/08/18
2018/08/18
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
996.0
929.5
Analysis
10
2018 Menlo Open Chess Tournament (D)
2018/07/21
2018/07/21
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
902.0
828.1
Analysis
9
2018 Super 12 (Junior)
2018/05/05
2018/05/05
Tshwane (GTP)
Rapid
30
0.60
5
5
3.0
833.5
500.2
Analysis
8
2018 Capablanca Swiss (D)
2018/04/27
2018/04/27
Tshwane (GTP)
Standard
90
0.94
5
5
3.5
848.9
849.7
Analysis
7
2018 Chris Greyling Open (D)
2018/04/21
2018/04/21
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
848.9
849.7
Analysis
6
2018 Crawford Open (D)
2018/03/24
2018/03/24
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
560.8
582.6
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
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
Standard
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
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
134
64
6
64
67.0
50.0
0.0
1030.0
1030.0
White
65
31
2
32
32.0
49.2
-6.5
1026.1
1019.5
Black
69
33
4
32
35.0
50.7
6.2
1033.7
1039.8
Standard
All
111
52
6
53
55.0
49.5
-3.8
1004.4
1000.6
White
55
26
2
27
27.0
49.1
-7.7
1005.7
998.0
Black
56
26
4
26
28.0
50.0
0.0
1003.2
1003.2
Rapid
All
10
6
0
4
6.0
60.0
85.0
1137.9
1222.9
White
4
1
0
3
1.0
25.0
-212.5
1136.2
923.7
Black
6
5
0
1
5.0
83.3
283.3
1139.1
1422.4
Blitz
All
13
6
0
7
6.0
46.2
-32.7
1165.1
1132.4
White
6
4
0
2
4.0
66.7
141.7
1139.2
1280.8
Black
7
2
0
5
2.0
28.6
-182.1
1187.2
1005.1
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
109091542
Mostert, M (Mj)
3
3.0
3
0
0
100.0
877.1
425.0
1302.1
View list
2
208086359
Smith, LM (Luhane)
2
2.0
2
0
0
100.0
990.8
425.0
1415.8
View list
3
110092783
Van Rooyen, M (Marcel)
2
2.0
2
0
0
100.0
806.1
425.0
1231.1
View list
4
208086374
Smith, KJ (Kayle)
2
1.5
1
1
0
75.0
940.8
212.5
1153.3
View list
5
109076153
De Jager, J (Jacques)
2
0.0
0
0
2
0.0
796.7
-425.0
371.7
View list
6
109083426
Gerber, J (Juandre)
2
0.0
0
0
2
0.0
1037.2
-425.0
612.2
View list
7
109086017
Roetz, K (Kyle)
2
0.0
0
0
2
0.0
1118.0
-425.0
693.0
View list
8
109095287
Rudolph, N (Nathan)
2
0.0
0
0
2
0.0
836.0
-425.0
411.0
View list
9
1090098581
Bath, X (Xavier)
1
1.0
1
0
0
100.0
1147.9
425.0
1572.9
View list
10
1090098582
Bester, W (Waldo)
1
1.0
1
0
0
100.0
560.8
425.0
985.8
View list
11
1070112457
Bhula, S (Shyam Hitesh)
1
1.0
1
0
0
100.0
1147.9
425.0
1572.9
View list
12
109088450
Botha, A (Andre)
1
1.0
1
0
0
100.0
514.3
425.0
939.3
View list
13
1090112415
De Jager, J (Jacques)
1
1.0
1
0
0
100.0
1010.0
425.0
1435.0
View list
14
110082679
De Bruin, CL (Charl Louis)
1
1.0
1
0
0
100.0
1051.4
425.0
1476.4
View list
15
206092298
De Almeida, K (Kelly)
1
1.0
1
0
0
100.0
560.8
425.0
985.8
View list
16
1100109355
Cronje, L (Lucas)
1
1.0
1
0
0
100.0
1168.4
425.0
1593.4
View list
17
2090096768
Carney, J (Jaimie)
1
1.0
1
0
0
100.0
996.0
425.0
1421.0
View list
18
1090098584
Bouwer, G (Gustav)
1
1.0
1
0
0
100.0
1010.0
425.0
1435.0
View list
19
2110101741
De Waal, N (Nadine)
1
1.0
1
0
0
100.0
1136.3
425.0
1561.3
View list
20
1080097221
Du Randt, JC (Jean)
1
1.0
1
0
0
100.0
833.5
425.0
1258.5
View list