Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
De Jager, J (Jandre)
Dob:
2009/12/11 (U16)
Gender:
Male
Chess SA id:
1090134428
FIDE id:
Region:
Tshwane (GTP)
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
1285.1
Curent Weighted rating
1209.5
Curent Weighted performance
1260.9
Current official/published rating (highest between Raw, WR and WP)
1285.1
Current floor (min rating allowed)
788.1
Current highest rating achieved
1288.1
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)
±146.9
Current Raw change used (final)
0.0
Projected new Raw rating
1285.1
Projected new Weighed rating
1216.1
Projected new Weighted performance
1260.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1285.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1288.1
Projected new floor
788.1
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
1281.5
Curent Weighted rating
1201.9
Curent Weighted performance
1258.8
Current official/published rating (highest between Raw, WR and WP)
1281.5
Current floor (min rating allowed)
783.3
Current highest rating achieved
1283.3
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)
±147.6
Current Raw change used (final)
0.0
Projected new Raw rating
1281.5
Projected new Weighed rating
1208.9
Projected new Weighted performance
1258.8
Projected new official/published rating (highest between new Raw, new WR and new WP)
1281.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1283.3
Projected new floor
783.3
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
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)
700.0
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
700.0
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
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)
700.0
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
700.0
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
2024 Silver Lakes Open Chess Tournament (D2)
2024/04/20
2024/04/20
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1288.1
1283.3
Analysis
3
2024 Tshwane Chess AHS Open Chess Tournament (D2)
2024/02/24
2024/02/24
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1177.7
1171.0
Analysis
2
2024 Constantiapark Open (D2)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1177.7
1171.0
Analysis
1
2024 Blou Bul Open Chess Tournament (D)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1177.7
1171.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
25
2024 Silver Lakes Open Chess Tournament (D2)
2024/04/20
2024/04/20
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1288.1
1283.3
Analysis
24
2024 Tshwane Chess AHS Open Chess Tournament (D2)
2024/02/24
2024/02/24
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1177.7
1171.0
Analysis
23
2024 Constantiapark Open (D2)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1177.7
1171.0
Analysis
22
2024 Blou Bul Open Chess Tournament (D)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1177.7
1171.0
Analysis
21
2023 Alekhine Open Tournament (D)
2023/09/09
2023/09/09
Tshwane (GTP)
Standard
90
0.94
5
5
2.5
1153.0
1139.7
Analysis
20
2023 Etienne Lewis Closed Tournament (U16)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
7
2.0
1190.3
1182.5
Analysis
19
2023 Woman's Day Open Chess Tournament (Rook)
2023/08/09
2023/08/09
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1190.3
1182.5
Analysis
18
2023 Menlo Open Tournament (C)
2023/07/22
2023/07/22
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1199.6
1194.4
Analysis
17
2023 Mid Gauteng Open Tournament (C)
2023/05/06
2023/05/06
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1170.6
1158.8
Analysis
16
Silver Lakes Open Chess Tournament (C)
2023/04/15
2023/04/15
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1164.6
1151.2
Analysis
15
Chris Greyling Open Tournament 2023 (C)
2023/03/21
2023/03/21
Tshwane (GTP)
Standard
60
0.83
5
4
0.0
1190.3
1173.9
Analysis
14
Tuks Junior Developmental Chess Tournament 2023 (Blue)
2023/03/18
2023/03/18
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1190.3
1173.9
Analysis
13
2023 Afrikaans Hoër Seunskool Open Chess Tournament (C)
2023/03/04
2023/03/04
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1190.3
1173.9
Analysis
12
Laerskool Constantiapark Open Chess Tournament 2023 (Open)
2023/02/18
2023/02/18
Tshwane (GTP)
Standard
60
0.83
5
4
0.0
1228.5
1219.6
Analysis
11
2022 South African Junior Team Chess Championships (U14 Open)
2022/12/04
2022/12/08
4 Knights (4K)
Standard
120
1.00
7
6
2.0
1239.7
1227.5
Analysis
10
2022 Etienne Lewis (U14 Open)
2022/09/02
2022/09/04
Tshwane (GTP)
Standard
90
0.94
7
7
3.0
1238.7
1226.5
Analysis
9
2022 Alekhine Open (D)
2022/08/13
2022/08/14
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1132.1
1126.8
Analysis
8
Tuks Junior Developmental Tournament 2022 (Red)
2022/08/06
2022/08/06
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1132.1
1126.8
Analysis
7
2022 Menlo Open Tournament (D)
2022/07/23
2022/07/23
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1118.8
1110.8
Analysis
6
2022 Mid Gauteng Open (D)
2022/05/07
2022/05/07
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1095.2
1082.4
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
20
10
4
6
12.0
60.0
85.0
1245.4
1330.4
White
10
7
2
1
8.0
80.0
255.0
1274.3
1529.3
Black
10
3
2
5
4.0
40.0
-85.0
1216.5
1131.5
Standard
All
20
10
4
6
12.0
60.0
85.0
1245.4
1330.4
White
10
7
2
1
8.0
80.0
255.0
1274.3
1529.3
Black
10
3
2
5
4.0
40.0
-85.0
1216.5
1131.5
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
126
47
15
64
54.5
43.3
-57.3
1245.7
1188.3
White
60
25
7
28
28.5
47.5
-21.3
1261.8
1240.6
Black
66
22
8
36
26.0
39.4
-90.2
1231.0
1140.9
Standard
All
126
47
15
64
54.5
43.3
-57.3
1245.7
1188.3
White
60
25
7
28
28.5
47.5
-21.3
1261.8
1240.6
Black
66
22
8
36
26.0
39.4
-90.2
1231.0
1140.9
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1130131224
Minny, O (Oban)
3
1.0
1
0
2
33.3
1170.9
-141.7
1029.2
View list
2
1090116741
Kekana, N (Neo)
2
2.0
2
0
0
100.0
1161.2
425.0
1586.2
View list
3
2110136657
Van Jaarsveldt, L (Lumandie)
2
2.0
2
0
0
100.0
1146.4
425.0
1571.4
View list
4
2120108352
De Swardt, M (Mieke)
2
1.0
1
0
1
50.0
1160.3
0.0
1160.3
View list
5
1120133903
Buchner, E (Emil)
2
1.0
1
0
1
50.0
1125.7
0.0
1125.7
View list
6
2140135776
Roberts, F (Frans-Leigh)
2
1.0
1
0
1
50.0
1159.2
0.0
1159.2
View list
7
1090140004
Van Staden, R (Rikus)
2
1.0
1
0
1
50.0
1178.8
0.0
1178.8
View list
8
1100107659
Niehaus, SJ (Samuel)
2
1.0
0
2
0
50.0
1167.0
0.0
1167.0
View list
9
1070135509
Blom, J (Jess)
2
0.5
0
1
1
25.0
1190.3
-212.5
977.8
View list
10
1090109066
Jooste, J (Josh)
2
0.0
0
0
2
0.0
1233.6
-425.0
808.6
View list
11
1090115218
Mahlangu, NP (Nkosinathi Phillip)
2
0.0
0
0
2
0.0
1204.8
-425.0
779.8
View list
12
1090107165
Oosthuizen, L (Ludrick)
2
0.0
0
0
2
0.0
1151.5
-425.0
726.5
View list
13
1090098581
Bath, X (Xavier)
1
1.0
1
0
0
100.0
1238.7
425.0
1663.7
View list
14
1080134685
Aurakeasamy, K (Kvanh)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
15
1100136633
Arde, A (Adrian)
1
1.0
1
0
0
100.0
1171.0
425.0
1596.0
View list
16
1110136634
Botha, L (Louis)
1
1.0
1
0
0
100.0
1132.1
425.0
1557.1
View list
17
1100102627
Botha, J (Juan)
1
1.0
1
0
0
100.0
1132.1
425.0
1557.1
View list
18
1110138291
De Klerk, W (Wihan)
1
1.0
1
0
0
100.0
1162.7
425.0
1587.7
View list
19
1120109368
Coetzee, M (Mauritz)
1
1.0
1
0
0
100.0
1177.7
425.0
1602.7
View list
20
1090157435
Du Toit, C (Colenso)
1
1.0
1
0
0
100.0
1177.7
425.0
1602.7
View list