Chess South Africa
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Chess South Africa
Jantjies, J (Jason)
Dob:
1988/07/20 (Adult)
Gender:
Male
Chess SA id:
188013950
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2023/11/11 (176 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
1404.0
Curent Weighted rating
1394.1
Curent Weighted performance
1205.7
Current official/published rating (highest between Raw, WR and WP)
1404.0
Current floor (min rating allowed)
904.0
Current highest rating achieved
1404.0
Current K-factor
32
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)
±124.0
Current Raw change used (final)
0.0
Projected new Raw rating
1404.0
Projected new Weighed rating
1395.5
Projected new Weighted performance
1205.7
Projected new official/published rating (highest between new Raw, new WR and new WP)
1404.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1404.0
Projected new floor
904.0
Projected new K-facor
32
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
1400.7
Curent Weighted rating
1386.5
Curent Weighted performance
1197.6
Current official/published rating (highest between Raw, WR and WP)
1400.7
Current floor (min rating allowed)
900.7
Current highest rating achieved
1400.7
Current K-factor
32
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)
±124.6
Current Raw change used (final)
0.0
Projected new Raw rating
1400.7
Projected new Weighed rating
1388.2
Projected new Weighted performance
1197.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1400.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1400.7
Projected new floor
900.7
Projected new K-facor
32
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
1216.6
Curent Weighted rating
1210.5
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1216.6
Current floor (min rating allowed)
716.6
Current highest rating achieved
1216.6
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)
±161.9
Current Raw change used (final)
0.0
Projected new Raw rating
1216.6
Projected new Weighed rating
1211.9
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1216.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1216.6
Projected new floor
716.6
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
1224.3
Curent Weighted rating
1224.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1224.3
Current floor (min rating allowed)
716.6
Current highest rating achieved
1224.3
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)
±160.2
Current Raw change used (final)
0.0
Projected new Raw rating
1224.3
Projected new Weighed rating
1224.3
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1224.3
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1224.3
Projected new floor
716.6
Projected new K-facor
36
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
15
Eden Chess Union League 2023 (Premier Division)
2023/11/11
2023/11/11
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1387.3
1374.8
Analysis
14
George Open 2022 (A)
2022/12/03
2022/12/03
Eden District (WEG)
Standard
60
0.83
5
5
2.5
1377.4
1359.7
Analysis
13
VGK 2022 (Rapid Open)
2022/11/12
2022/11/12
Eden District (WEG)
Rapid
17
0.42
6
6
4.0
1363.2
1148.4
Analysis
12
VGK 2022 (Blitz)
2022/11/12
2022/11/12
Eden District (WEG)
Blitz
5
0.18
6
6
3.0
1363.2
1223.2
Analysis
11
South African Open 2022 (Blitz)
2022/07/14
2022/07/14
Cape Town (WCT)
Blitz
5
0.18
10
10
4.0
1358.1
1200.0
Analysis
10
South African Open 2022 (B)
2022/07/09
2022/07/17
Cape Town (WCT)
Standard
120
1.00
11
11
6.0
1358.1
1370.5
Analysis
9
George Open 2022 (A)
2022/06/11
2022/06/11
Eden District (WEG)
Standard
65
0.85
5
5
2.0
1349.2
1363.7
Analysis
8
Western Cape Club Championships 2021 (A)
2021/10/15
2021/10/17
Eden District (WEG)
Standard
65
0.85
6
6
2.5
1342.2
1355.8
Analysis
7
Eden Chess League 2021 (Premier)
2021/08/14
2021/08/15
Eden District (WEG)
Standard
90
0.94
5
5
1.0
1372.0
1393.2
Analysis
6
George Open Chess Tournament 2019 (B)
2019/11/30
2019/12/01
Eden District (WEG)
Standard
65
0.85
6
6
5.0
1301.3
1311.1
Analysis
5
Mossel Bay Chess Open 2019 (A)
2019/10/04
2019/10/05
Eden District (WEG)
Standard
60
0.83
6
6
2.5
1282.8
1301.4
Analysis
4
Eden Chess League 2019 (1st Division)
2019/08/17
2019/08/24
Eden District (WEG)
Standard
80
0.91
6
6
5.0
1227.4
1241.6
Analysis
3
Eden Chess League 2018 (2nd Division)
2018/09/01
2018/09/01
Eden District (WEG)
Rapid
30
0.60
7
7
3.0
1238.6
1188.0
Analysis
2
Oyster Rapid 2018
2018/07/07
2018/07/07
Eden District (WEG)
Rapid
30
0.60
6
6
4.0
1234.5
1200.0
Analysis
1
Western Cape Club Championships 2018
2018/03/16
2018/03/17
Eden District (WEG)
Standard
60
0.83
6
5
3.5
1200.0
1200.0
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
95
48
8
39
52.0
54.7
40.3
1353.7
1393.9
White
49
26
2
21
27.0
55.1
43.4
1345.3
1388.7
Black
46
22
6
18
25.0
54.3
37.0
1362.6
1399.5
Standard
All
60
31
6
23
34.0
56.7
56.7
1362.7
1419.3
White
31
16
2
13
17.0
54.8
41.1
1363.8
1405.0
Black
29
15
4
10
17.0
58.6
73.3
1361.4
1434.7
Rapid
All
19
10
2
7
11.0
57.9
67.1
1222.8
1289.9
White
10
6
0
4
6.0
60.0
85.0
1196.5
1281.5
Black
9
4
2
3
5.0
55.6
47.2
1252.1
1299.3
Blitz
All
16
7
0
9
7.0
43.8
-53.1
1475.4
1422.3
White
8
4
0
4
4.0
50.0
0.0
1459.8
1459.8
Black
8
3
0
5
3.0
37.5
-106.3
1490.9
1384.7
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
178005017
Cloete, R (Ralph)
4
0.0
0
0
4
0.0
1345.3
-425.0
920.3
View list
2
1070097033
Williams, I (Igor)
3
2.0
2
0
1
66.7
1280.7
141.7
1422.4
View list
3
198065504
Jaars, T (Thomas)
3
0.0
0
0
3
0.0
1344.1
-425.0
919.1
View list
4
199036980
Swart, G (George)
3
0.0
0
0
3
0.0
1319.9
-425.0
894.9
View list
5
199007712
Dubee, C (Cheslyn)
2
2.0
2
0
0
100.0
1227.4
425.0
1652.4
View list
6
108072976
Du Plessis, A (Arno)
2
1.5
1
1
0
75.0
1339.3
212.5
1551.8
View list
7
147031319
Quirk, T (Terence)
2
1.5
1
1
0
75.0
1269.9
212.5
1482.4
View list
8
201037041
Swart, S (Sune)
2
1.5
1
1
0
75.0
1321.8
212.5
1534.3
View list
9
107083837
Daniels, R (Reuben)
2
1.0
1
0
1
50.0
1312.5
0.0
1312.5
View list
10
103078196
Campbell, G (Grant)
2
1.0
1
0
1
50.0
1227.4
0.0
1227.4
View list
11
105091176
Meyer, J (Jared)
2
1.0
1
0
1
50.0
1298.8
0.0
1298.8
View list
12
192037054
Swartbooi, G (Gabriel)
2
1.0
1
0
1
50.0
1332.3
0.0
1332.3
View list
13
181084295
Botha, R (Ralph)
2
0.5
0
1
1
25.0
1327.4
-212.5
1114.9
View list
14
186005213
Coetzee, JS (Jurgen)
2
0.0
0
0
2
0.0
1363.3
-425.0
938.3
View list
15
206055118
Ellman, A (Anne-Belle)
1
1.0
1
0
0
100.0
1342.2
425.0
1767.2
View list
16
1110130128
Da Silva, D (Darren)
1
1.0
1
0
0
100.0
1363.2
425.0
1788.2
View list
17
186005214
Coetzee, JS (Justin)
1
1.0
1
0
0
100.0
1349.2
425.0
1774.2
View list
18
198053731
Cloete, JB (Jade Barry)
1
1.0
1
0
0
100.0
1358.1
425.0
1783.1
View list
19
1000099302
Davids, W (Welesley)
1
1.0
1
0
0
100.0
1282.8
425.0
1707.8
View list
20
1080108754
Ahmed, AM (Abdul)
1
1.0
1
0
0
100.0
1358.1
425.0
1783.1
View list