Chess South Africa
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Chess South Africa
Jonker, C (Corne)
Dob:
2013/03/22 (U12)
Gender:
Male
Chess SA id:
1130131410
FIDE id:
Region:
Sedibeng (GSV)
Citizen:
RSA
Title(s):
Last active:
2024/05/11 (36 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
Current Raw rating
1258.8
Current Weighted rating
1234.2
Current Weighted performance
1213.2
Current official/published rating (highest between Raw, WR and WP)
1258.8
Current highest rating achieved
1330.0
Current floor (min rating allowed)
830.0
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)
±152.5
Current Raw change used (final)
0.0
Projected new Raw rating
1258.8
Projected new Weighed rating
1136.1
Projected new Weighted performance
1213.2
Projected new final Raw rating (if new WP > new Raw)
1258.8
Projected new highest rating
1330.0
Projected new floor
830.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1258.8
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
1271.0
Current Weighted rating
1241.1
Current Weighted performance
1217.5
Current official/published rating (highest between Raw, WR and WP)
1271.0
Current highest rating achieved
1326.7
Current floor (min rating allowed)
826.7
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)
±149.9
Current Raw change used (final)
0.0
Projected new Raw rating
1271.0
Projected new Weighed rating
1142.6
Projected new Weighted performance
1217.5
Projected new final Raw rating (if new WP > new Raw)
1271.0
Projected new highest rating
1326.7
Projected new floor
826.7
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1271.0
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
1146.8
Current Weighted rating
1164.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1164.0
Current highest rating achieved
1177.6
Current floor (min rating allowed)
677.6
Current K-factor
40
s
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)
±178.9
Current Raw change used (final)
0.0
Projected new Raw rating
1146.8
Projected new Weighed rating
1069.9
Projected new Weighted performance
624.8
Projected new final Raw rating (if new WP > new Raw)
1146.8
Projected new highest rating
1177.6
Projected new floor
677.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1146.8
Projected effective change (new Official - current Official)
-17.2
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
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
Sedibeng Chess Open 11 May 2024 (U11)
2024/05/11
2024/05/11
Sedibeng (GSV)
Standard
60
0.83
5
5
3.5
1233.1
1241.8
Analysis
2
Valia's Open 2024 (E)
2024/03/02
2024/03/02
Sedibeng (GSV)
Standard
61
0.84
5
5
3.0
1207.1
1211.9
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U12A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
1.5
1224.7
1234.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
15
Sedibeng Chess Open 11 May 2024 (U11)
2024/05/11
2024/05/11
Sedibeng (GSV)
Standard
60
0.83
5
5
3.5
1233.1
1241.8
Analysis
14
Valia's Open 2024 (E)
2024/03/02
2024/03/02
Sedibeng (GSV)
Standard
61
0.84
5
5
3.0
1207.1
1211.9
Analysis
13
2024 Gauteng Inter-Region Chess Championship (U12A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
1.5
1224.7
1234.6
Analysis
12
Dr Pieter Hangelbroek Rapid 2023 (C)
2023/10/28
2023/10/28
Sedibeng (GSV)
Rapid
30
0.60
5
5
1.5
1235.9
1177.6
Analysis
11
2023 Gauteng Top Schools (U11 Mixed)
2023/08/18
2023/08/18
West Rand (GWR)
Standard
60
0.83
5
5
1.5
1273.0
1284.6
Analysis
10
2023 Sedibeng West District Schools Chess Tournament (U9+U11)
2023/08/12
2023/08/12
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1273.0
1284.6
Analysis
9
Overvaal Ope Jul 2023 (D)
2023/07/22
2023/07/22
Sedibeng (GSV)
Standard
60
0.83
5
5
2.0
1302.0
1326.7
Analysis
8
VaalPark Primary Open Chess 2023 (C)
2023/06/16
2023/06/16
Sedibeng (GSV)
Rapid
45
0.74
5
5
2.0
1330.0
1200.0
Analysis
7
Driehoek Open Chess Tournament 2023 (D)
2023/05/13
2023/05/13
Sedibeng (GSV)
Standard
60
0.83
5
5
4.0
1257.8
1269.2
Analysis
6
Valia's Chess Tournament 2023 (D)
2023/05/06
2023/05/06
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1257.8
1269.2
Analysis
5
Hoerskool Drie Riviere Open 2023 (D)
2023/03/11
2023/03/11
Sedibeng (GSV)
Standard
60
0.83
5
5
4.0
1189.1
1186.0
Analysis
4
Carel`s Chess Open 2022 (D)
2022/03/05
2022/03/05
Sedibeng (GSV)
Standard
61
0.83
5
5
3.0
1165.5
1156.4
Analysis
3
Heidelberg Klub Open 2002 (D)
2022/02/19
2022/02/19
Sedibeng (GSV)
Standard
60
0.83
5
5
2.0
1183.4
1178.4
Analysis
2
Hoerskool Drie Riviere 2020 (F)
2020/03/07
2020/03/07
Sedibeng (GSV)
Standard
61
0.83
5
5
3.0
1161.8
1151.2
Analysis
1
AG Visser 2020 (D)
2020/02/22
2020/02/22
Sedibeng (GSV)
Standard
61
0.83
6
6
2.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
15
6
4
5
8.0
53.3
28.3
1259.4
1287.7
White
7
5
1
1
5.5
78.6
242.9
1267.5
1510.4
Black
8
1
3
4
2.5
31.3
-159.4
1252.2
1092.8
Standard
All
15
6
4
5
8.0
53.3
28.3
1259.4
1287.7
White
7
5
1
1
5.5
78.6
242.9
1267.5
1510.4
Black
8
1
3
4
2.5
31.3
-159.4
1252.2
1092.8
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
76
34
11
31
39.5
52.0
16.8
1222.6
1239.4
White
38
19
4
15
21.0
55.3
44.7
1222.1
1266.9
Black
38
15
7
16
18.5
48.7
-11.2
1223.0
1211.8
Standard
All
66
31
10
25
36.0
54.5
38.6
1213.2
1251.8
White
32
17
4
11
19.0
59.4
79.7
1205.0
1284.6
Black
34
14
6
14
17.0
50.0
0.0
1221.0
1221.0
Rapid
All
10
3
1
6
3.5
35.0
-127.5
1284.5
1157.0
White
6
2
0
4
2.0
33.3
-141.7
1313.8
1172.1
Black
4
1
1
2
1.5
37.5
-106.3
1240.5
1134.3
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
1120141859
Nagel, D (Divan)
4
2.5
2
1
1
62.5
1233.5
106.3
1339.8
View list
2
1120136511
Brand, H (Henko)
4
0.0
0
0
4
0.0
1251.8
-425.0
826.8
View list
3
2120140219
Smit, L (Liane)
3
3.0
3
0
0
100.0
1249.6
425.0
1674.6
View list
4
2110137806
Visser, M (Mila)
2
2.0
2
0
0
100.0
1177.3
425.0
1602.3
View list
5
1110130078
Stenden, L (Luke)
2
1.0
1
0
1
50.0
1200.0
0.0
1200.0
View list
6
1120136526
Viviers, W (Wiaan)
2
1.0
1
0
1
50.0
1257.8
0.0
1257.8
View list
7
1200131409
Coetzer, N (Nathan)
2
1.0
0
2
0
50.0
1200.0
0.0
1200.0
View list
8
1130113595
Bannerman, J (Jared)
2
0.5
0
1
1
25.0
1200.0
-212.5
987.5
View list
9
1120100418
Weber, KP (Keagan)
2
0.5
0
1
1
25.0
1209.7
-212.5
997.2
View list
10
2130136682
Botha, S (Shadette)
1
1.0
1
0
0
100.0
1183.4
425.0
1608.4
View list
11
1120155245
Booysen, Z (Zian)
1
1.0
1
0
0
100.0
1235.9
425.0
1660.9
View list
12
1110157355
Boloko, M (Mohau)
1
1.0
1
0
0
100.0
1330.0
425.0
1755.0
View list
13
1110137029
Bezuidenhout, L (Liam)
1
1.0
1
0
0
100.0
1183.4
425.0
1608.4
View list
14
2130144761
Coetzer, A (Ashlynn)
1
1.0
1
0
0
100.0
1257.8
425.0
1682.8
View list
15
2100132880
Chaka, N (Naomi)
1
1.0
1
0
0
100.0
1161.8
425.0
1586.8
View list
16
2140135916
Emanuel, S (Shiloh)
1
1.0
1
0
0
100.0
1257.8
425.0
1682.8
View list
17
2140139659
Du Toit, M (Monika)
1
1.0
1
0
0
100.0
1207.1
425.0
1632.1
View list
18
1110119433
Du Randt, P (Phillip)
1
1.0
1
0
0
100.0
1330.0
425.0
1755.0
View list
19
1130156389
Khoza, P (Phumlani)
1
1.0
1
0
0
100.0
1207.1
425.0
1632.1
View list
20
1110155777
Lange, M (Marthinus)
1
1.0
1
0
0
100.0
1257.8
425.0
1682.8
View list