Chess South Africa
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Chess South Africa
Nortje, O (Owen)
Dob:
2014/01/08 (U12)
Gender:
Male
Chess SA id:
1140153987
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2024/04/13 (40 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
1215.8
Curent Weighted rating
1204.6
Curent Weighted performance
1163.3
Current official/published rating (highest between Raw, WR and WP)
1215.8
Current floor (min rating allowed)
731.6
Current highest rating achieved
1231.6
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)
±162.1
Current Raw change used (final)
0.0
Projected new Raw rating
1215.8
Projected new Weighed rating
1205.7
Projected new Weighted performance
1163.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1215.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1231.6
Projected new floor
731.6
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
1170.8
Curent Weighted rating
1187.5
Curent Weighted performance
1089.7
Current official/published rating (highest between Raw, WR and WP)
1187.5
Current floor (min rating allowed)
709.7
Current highest rating achieved
1209.7
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)
±172.9
Current Raw change used (final)
0.0
Projected new Raw rating
1170.8
Projected new Weighed rating
1185.9
Projected new Weighted performance
1089.7
Projected new official/published rating (highest between new Raw, new WR and new WP)
1185.9
Projected effective change (new Official - current Official)
-1.7
Projected new highest rating
1209.7
Projected new floor
709.7
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
1279.9
Curent Weighted rating
1229.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1279.9
Current floor (min rating allowed)
779.9
Current highest rating achieved
1279.9
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)
±148.0
Current Raw change used (final)
0.0
Projected new Raw rating
1279.9
Projected new Weighed rating
1234.1
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1279.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1279.9
Projected new floor
779.9
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)
779.9
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
779.9
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
2
Westwood Open 2024 (C)
2024/04/13
2024/04/13
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1231.6
1182.3
Analysis
1
Benoni Primary School Cluster Individuals 2024 (U11 Boys)
2024/03/09
2024/03/09
Ekurhuleni (GE)
Rapid
30
0.60
5
5
4.0
1198.3
1230.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
8
Westwood Open 2024 (C)
2024/04/13
2024/04/13
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1231.6
1182.3
Analysis
7
Benoni Primary School Cluster Individuals 2024 (U11 Boys)
2024/03/09
2024/03/09
Ekurhuleni (GE)
Rapid
30
0.60
5
5
4.0
1198.3
1230.6
Analysis
6
2023 Gauteng Noord (E)
2023/10/14
2023/10/14
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1229.8
1209.7
Analysis
5
2023 Tuks Open Chess Tournament (E+F)
2023/10/07
2023/10/07
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1229.8
1209.7
Analysis
4
Chess Molecules Rapid 2023 (Grade 3+4)
2023/09/23
2023/09/23
Ekurhuleni (GE)
Rapid
30
0.60
5
5
3.0
1222.2
1222.0
Analysis
3
Chess Power House 2023 (C)
2023/08/19
2023/08/19
Johannesburg Metro (GJM)
Standard
90
0.94
5
5
3.0
1200.5
1182.7
Analysis
2
Chess Molecules 16 June Tournament 2023 (Grade 3+4)
2023/06/16
2023/06/16
Ekurhuleni (GE)
Rapid
30
0.60
5
5
3.0
1185.4
1200.0
Analysis
1
Alberton Chess Club Tournament 1 2023 (D)
2023/04/15
2023/04/15
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
10
6
0
4
6.0
60.0
85.0
1217.1
1302.1
White
5
2
0
3
2.0
40.0
-85.0
1198.6
1113.6
Black
5
4
0
1
4.0
80.0
255.0
1235.6
1490.6
Standard
All
5
2
0
3
2.0
40.0
-85.0
1234.2
1149.2
White
3
1
0
2
1.0
33.3
-141.7
1197.7
1056.0
Black
2
1
0
1
1.0
50.0
0.0
1288.9
1288.9
Rapid
All
5
4
0
1
4.0
80.0
255.0
1200.0
1455.0
White
2
1
0
1
1.0
50.0
0.0
1200.0
1200.0
Black
3
3
0
0
3.0
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
40
21
0
19
21.0
52.5
21.3
1217.3
1238.6
White
20
11
0
9
11.0
55.0
42.5
1203.6
1246.1
Black
20
10
0
10
10.0
50.0
0.0
1231.0
1231.0
Standard
All
25
11
0
14
11.0
44.0
-51.0
1224.4
1173.4
White
13
6
0
7
6.0
46.2
-32.7
1197.4
1164.7
Black
12
5
0
7
5.0
41.7
-70.8
1253.6
1182.8
Rapid
All
15
10
0
5
10.0
66.7
141.7
1205.6
1347.2
White
7
5
0
2
5.0
71.4
182.1
1215.2
1397.4
Black
8
5
0
3
5.0
62.5
106.3
1197.1
1303.4
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
1140301240
Nortje, W (Wesley)
2
2.0
2
0
0
100.0
1214.9
425.0
1639.9
View list
2
2150147100
Dixon, G (Genevieve)
2
1.0
1
0
1
50.0
1229.8
0.0
1229.8
View list
3
1160153976
Benjamin, L (Liyabona)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1140156646
Arthur, Z (Zachary)
1
1.0
1
0
0
100.0
1222.2
425.0
1647.2
View list
5
1140146675
Brown, L (Luke William)
1
1.0
1
0
0
100.0
1185.4
425.0
1610.4
View list
6
1140157237
Dada, A (Aliyah)
1
1.0
1
0
0
100.0
1185.4
425.0
1610.4
View list
7
1140155132
Farah, T (Tyler)
1
1.0
1
0
0
100.0
1185.4
425.0
1610.4
View list
8
1130162423
Igwe, M (Maryann)
1
1.0
1
0
0
100.0
1222.2
425.0
1647.2
View list
9
2130153980
Hatton, E (Emma)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
10
1120160689
Khumalo, J (Jama)
1
1.0
1
0
0
100.0
1200.5
425.0
1625.5
View list
11
2150162780
Marais, L (Leja)
1
1.0
1
0
0
100.0
1229.8
425.0
1654.8
View list
12
1140151769
Mbele, A (Amahle)
1
1.0
1
0
0
100.0
1222.2
425.0
1647.2
View list
13
2140155181
Mendonca, N (Nelita)
1
1.0
1
0
0
100.0
1231.6
425.0
1656.6
View list
14
1140160692
Mhlubulwana, K (Khanyisile)
1
1.0
1
0
0
100.0
1200.5
425.0
1625.5
View list
15
1140301239
Nortje, L (Luke)
1
1.0
1
0
0
100.0
1198.3
425.0
1623.3
View list
16
1150152286
Rahlaga, K (Kaelo Alupheli)
1
1.0
1
0
0
100.0
1229.8
425.0
1654.8
View list
17
1140301246
Scholtz, E (Edmund)
1
1.0
1
0
0
100.0
1198.3
425.0
1623.3
View list
18
1120160699
Sibiya, A (Amahle)
1
1.0
1
0
0
100.0
1200.5
425.0
1625.5
View list
19
1140301251
Van Jaarsveld, J (Jayden)
1
1.0
1
0
0
100.0
1198.3
425.0
1623.3
View list
20
2150157433
Westermann, I (Inge)
1
1.0
1
0
0
100.0
1229.8
425.0
1654.8
View list