Chess South Africa
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Chess South Africa
Jantjies, J (Jowan)
Dob:
2002/07/14 (Adult)
Gender:
Male
Chess SA id:
102083810
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2019/10/27 (1665 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
1141.7
Curent Weighted rating
1141.7
Curent Weighted performance
450.9
Current official/published rating (highest between Raw, WR and WP)
1141.7
Current floor (min rating allowed)
664.7
Current highest rating achieved
1164.7
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)
±180.2
Current Raw change used (final)
0.0
Projected new Raw rating
1141.7
Projected new Weighed rating
1141.7
Projected new Weighted performance
450.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1141.7
Projected effective change (new Official - current Official)
-0.0
Projected new highest rating
1164.7
Projected new floor
664.7
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
1115.6
Curent Weighted rating
1115.6
Curent Weighted performance
440.5
Current official/published rating (highest between Raw, WR and WP)
1115.6
Current floor (min rating allowed)
639.6
Current highest rating achieved
1139.6
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)
±187.0
Current Raw change used (final)
0.0
Projected new Raw rating
1115.6
Projected new Weighed rating
1115.6
Projected new Weighted performance
440.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1115.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1139.6
Projected new floor
639.6
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
729.7
Curent Weighted rating
729.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
729.7
Current floor (min rating allowed)
500.0
Current highest rating achieved
729.7
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)
±324.1
Current Raw change used (final)
0.0
Projected new Raw rating
729.7
Projected new Weighed rating
729.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
729.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
729.7
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
640.9
Curent Weighted rating
640.9
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
640.9
Current floor (min rating allowed)
500.0
Current highest rating achieved
640.9
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)
±367.8
Current Raw change used (final)
0.0
Projected new Raw rating
640.9
Projected new Weighed rating
640.9
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
640.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
640.9
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
13
2019 Western Cape Club Championship (A+B)
2019/10/25
2019/10/27
Overberg (WOS)
Standard
65
0.85
6
5
2.0
1159.4
1136.4
Analysis
12
Eden Top Schools 2019 (U18)
2019/07/20
2019/07/20
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1164.7
1139.6
Analysis
11
Oyster Rapid Chess Festival 2019
2019/06/30
2019/06/30
Eden District (WEG)
Rapid
25
0.54
6
6
3.0
1161.5
643.7
Analysis
10
Eden Trials 1 2019 (U18 Open)
2019/03/02
2019/03/02
Eden District (WEG)
Standard
60
0.83
5
5
2.5
1122.2
1106.5
Analysis
9
Hessequa Proewe 3 2019 (O18)
2019/02/23
2019/02/23
Eden District (WEG)
Standard
60
0.83
5
4
3.0
834.0
810.4
Analysis
8
Hessequa Proewe 2 2019 (O18)
2019/02/16
2019/02/16
Eden District (WEG)
Standard
60
0.83
5
3
2.0
834.0
810.4
Analysis
7
Hessequa Proewe 1 2019 (O18)
2019/01/26
2019/01/26
Eden District (WEG)
Standard
60
0.83
5
5
2.5
745.6
723.3
Analysis
6
Eden Chess League 2018 (3rd Division)
2018/09/01
2018/09/01
Eden District (WEG)
Rapid
30
0.60
7
5
2.0
716.2
640.9
Analysis
5
EDENSC Closed 3 2018 (U18 Open)
2018/05/12
2018/05/12
Eden District (WEG)
Standard
60
0.83
5
4
0.5
737.1
749.7
Analysis
4
EDENSC Closed 2 2018 (U18 (Open)
2018/04/14
2018/04/14
Eden District (WEG)
Standard
60
0.83
5
5
2.5
694.3
698.9
Analysis
3
Western Cape Club Championships 2018
2018/03/16
2018/03/17
Eden District (WEG)
Standard
60
0.83
6
2
0.0
675.7
675.7
Analysis
2
EDENSC Closed 1 2018 (U18)
2018/03/10
2018/03/10
Eden District (WEG)
Standard
60
0.83
5
5
2.0
675.7
675.7
Analysis
1
South African Junior Team Championships 2017 (U16D)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
5
2.0
640.9
640.9
Analysis
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
64
28
4
32
30.0
46.9
-26.6
1044.5
1018.0
White
35
21
3
11
22.5
64.3
121.4
1075.1
1196.6
Black
29
7
1
21
7.5
25.9
-205.2
1007.6
802.4
Standard
All
53
23
4
26
25.0
47.2
-24.1
1034.9
1010.8
White
30
18
3
9
19.5
65.0
127.5
1074.2
1201.7
Black
23
5
1
17
5.5
23.9
-221.7
983.5
761.8
Rapid
All
11
5
0
6
5.0
45.5
-38.6
1091.0
1052.4
White
5
3
0
2
3.0
60.0
85.0
1080.4
1165.4
Black
6
2
0
4
2.0
33.3
-141.7
1099.8
958.1
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
203078167
Arendse, A (Amy-Leigh)
3
3.0
3
0
0
100.0
1054.5
425.0
1479.5
View list
2
1030108593
Saayman, R (Roderick)
3
2.5
2
1
0
83.3
900.6
283.3
1183.9
View list
3
104088339
Geysman, K (Keallin)
2
2.0
2
0
0
100.0
1164.7
425.0
1589.7
View list
4
201047585
Koen, A (Andrea)
2
2.0
2
0
0
100.0
1164.7
425.0
1589.7
View list
5
103009749
Fourie, C (Corne)
2
0.0
0
0
2
0.0
1164.7
-425.0
739.7
View list
6
103048759
Heynse, C (Christiano)
2
0.0
0
0
2
0.0
834.0
-425.0
409.0
View list
7
104061044
Mentoor, M (Mason)
2
0.0
0
0
2
0.0
1164.7
-425.0
739.7
View list
8
109088305
Fredericks, J (Jean Pierre)
1
1.0
1
0
0
100.0
1161.5
425.0
1586.5
View list
9
1110102781
Adams, J (Jay-D)
1
1.0
1
0
0
100.0
1161.5
425.0
1586.5
View list
10
1050104301
Blaauw, L (Lucin)
1
1.0
1
0
0
100.0
1159.4
425.0
1584.4
View list
11
102006330
De Bruyn, A (Adriaan)
1
1.0
1
0
0
100.0
834.0
425.0
1259.0
View list
12
189003492
Bridges, C (Cai)
1
1.0
1
0
0
100.0
1161.5
425.0
1586.5
View list
13
209088301
George, J (Jamie-Lee)
1
1.0
1
0
0
100.0
716.2
425.0
1141.2
View list
14
103078181
Greeff, B (Ben)
1
1.0
1
0
0
100.0
1122.2
425.0
1547.2
View list
15
1020104318
Groenewald, A (Anwille)
1
1.0
1
0
0
100.0
716.2
425.0
1141.2
View list
16
2030109696
Hanekom, N (Nicola)
1
1.0
1
0
0
100.0
834.0
425.0
1259.0
View list
17
103088355
Isaks, C (Christopher)
1
1.0
1
0
0
100.0
1122.2
425.0
1547.2
View list
18
103014718
Jurisich, J (Jared)
1
1.0
1
0
0
100.0
640.9
425.0
1065.9
View list
19
1020098495
Kiewietz, B (Brandon)
1
1.0
1
0
0
100.0
694.3
425.0
1119.3
View list
20
102065462
Klim, E (Eathan)
1
1.0
1
0
0
100.0
745.6
425.0
1170.6
View list