Chess South Africa
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Chess South Africa
De Jager, J (Jonathan)
Dob:
2009/07/23 (U16)
Gender:
Male
Chess SA id:
1090157479
FIDE id:
Region:
Amajuba (KAN)
Citizen:
RSA
Title(s):
Last active:
2024/05/18 (2 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
1254.0
Curent Weighted rating
1197.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1254.0
Current floor (min rating allowed)
754.0
Current highest rating achieved
1254.0
Current K-factor
36
Games played this month
5
Score (S)
4.0
Expected score (We)
2.17
Difference (S-We)
1.83
Current Raw change (no limits, including tournament time weight)
55.3
Current min/max change allowed (with limits)
±153.5
Current Raw change used (final)
55.3
Projected new Raw rating
1309.3
Projected new Weighed rating
1206.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1309.3
Projected effective change (new Official - current Official)
+55.3
Projected new highest rating
1309.3
Projected new floor
809.3
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
5
Score (S)
4.0
Expected score (We)
1.80
Difference (S-We)
2.20
Current Raw change (no limits, including tournament time weight)
79.2
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
79.2
Projected new Raw rating
1279.2
Projected new Weighed rating
1206.3
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1279.2
Projected effective change (new Official - current Official)
+79.2
Projected new highest rating
1279.2
Projected new floor
779.2
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
1294.7
Curent Weighted rating
1194.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1294.7
Current floor (min rating allowed)
794.7
Current highest rating achieved
1294.7
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)
±144.9
Current Raw change used (final)
0.0
Projected new Raw rating
1294.7
Projected new Weighed rating
1202.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1294.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1294.7
Projected new floor
794.7
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
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)
794.7
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
794.7
Projected new K-facor
36
Tournaments
History
Tournament:
Curro Chess Tournament 2024 (U16)
Start:
2024/05/18
End:
2024/05/18
Host:
MEN
Type:
Standard
Time:
63
Time weight:
0.84
Rounds:
5
Games:
5
Score:
4.0
Main rating:
1254.0
Rating gain/loss:
55.3
Type rating:
1200.0
Rating gain/loss:
79.2
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
2
Curro Chess Tournament 2024 (U16)
2024/05/18
2024/05/18
Ehlanzeni (MEN)
Standard
63
0.84
5
5
4.0
1254.0
1200.0
Analysis
1
NWU Super 16 2024
2024/04/19
2024/04/19
Gert Sibande (MGS)
Rapid
30
0.60
6
6
6.0
1189.8
1180.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
3
Curro Chess Tournament 2024 (U16)
2024/05/18
2024/05/18
Ehlanzeni (MEN)
Standard
63
0.84
5
5
4.0
1254.0
1200.0
Analysis
2
NWU Super 16 2024
2024/04/19
2024/04/19
Gert Sibande (MGS)
Rapid
30
0.60
6
6
6.0
1189.8
1180.6
Analysis
1
2023 KZN Winter Schools Selections (U15 Boys)
2023/06/24
2023/06/24
Ethekwini (KED)
Rapid
30
0.60
7
7
3.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
11
10
0
1
10.0
90.9
347.7
1252.3
1600.1
White
7
7
0
0
7.0
100.0
425.0
1215.0
1640.0
Black
4
3
0
1
3.0
75.0
212.5
1317.7
1530.2
Standard
All
5
4
0
1
4.0
80.0
255.0
1316.2
1571.2
White
3
3
0
0
3.0
100.0
425.0
1236.7
1661.7
Black
2
1
0
1
1.0
50.0
0.0
1435.3
1435.3
Rapid
All
6
6
0
0
6.0
100.0
425.0
1199.1
1624.1
White
4
4
0
0
4.0
100.0
425.0
1198.7
1623.7
Black
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
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
18
13
0
5
13.0
72.2
188.9
1235.4
1424.3
White
11
8
0
3
8.0
72.7
193.2
1209.5
1402.7
Black
7
5
0
2
5.0
71.4
182.1
1276.0
1458.1
Standard
All
5
4
0
1
4.0
80.0
255.0
1316.2
1571.2
White
3
3
0
0
3.0
100.0
425.0
1236.7
1661.7
Black
2
1
0
1
1.0
50.0
0.0
1435.3
1435.3
Rapid
All
13
9
0
4
9.0
69.2
163.5
1204.3
1367.8
White
8
5
0
3
5.0
62.5
106.3
1199.3
1305.6
Black
5
4
0
1
4.0
80.0
255.0
1212.2
1467.2
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
107072911
Mona, M (Celukubonga)
1
1.0
1
0
0
100.0
1189.8
425.0
1614.8
View list
2
1100304823
Mkhize, M (Mpilenhle)
1
1.0
1
0
0
100.0
1254.0
425.0
1679.0
View list
3
1090157496
Mazibuko, A (Ayabonga)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1090156696
Makamo, M (Mihla)
1
1.0
1
0
0
100.0
1254.0
425.0
1679.0
View list
5
1100152016
Mabuza, S (Sonke)
1
1.0
1
0
0
100.0
1254.0
425.0
1679.0
View list
6
1080154372
Kwakwa, M (Moshe)
1
1.0
1
0
0
100.0
1189.8
425.0
1614.8
View list
7
1070145423
Kgabo, TN (Thobile)
1
1.0
1
0
0
100.0
1189.8
425.0
1614.8
View list
8
1060302245
Naude, D (Dariel)
1
1.0
1
0
0
100.0
1189.8
425.0
1614.8
View list
9
1090302247
Nelson, D (Duncan)
1
1.0
1
0
0
100.0
1189.8
425.0
1614.8
View list
10
1100157521
Zondo, Y (Yamkela)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
11
1090152037
Sierra, C (Cj)
1
1.0
1
0
0
100.0
1254.0
425.0
1679.0
View list
12
1100302255
Sehole, K (Keaotshepa)
1
1.0
1
0
0
100.0
1189.8
425.0
1614.8
View list
13
1080157514
Nxumalo, O (Odwa)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
14
1080157513
Ntuli, S (Samkelo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
15
1080157511
Nhlabathi, S (Snakhokonke)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
16
110087575
Ogunjiofor, CJ (Chinedu Jeremy)
1
0.0
0
0
1
0.0
1254.0
-425.0
829.0
View list
17
1090100647
Ndlovu, T (Tumelo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
18
1080157505
Mthiyane, V (Vuyolwethu)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list