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:
2024/05/11 (38 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
1215.8
Current Weighted rating
1205.7
Current Weighted performance
1152.5
Current official/published rating (highest between Raw, WR and WP)
1215.8
Current highest rating achieved
1231.6
Current floor (min rating allowed)
731.6
Current K-factor
36
Games played this month
5
Score (S)
2.5
Expected score (We)
2.56
Difference (S-We)
-0.05
Current Raw change (no limits, including tournament time weight)
-1.8
Current min/max change allowed (with limits)
±162.1
Current Raw change used (final)
-1.8
Projected new Raw rating
1214.0
Projected new Weighed rating
1109.5
Projected new Weighted performance
1170.5
Projected new final Raw rating (if new WP > new Raw)
1214.0
Projected new highest rating
1231.6
Projected new floor
731.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1214.0
Projected effective change (new Official - current Official)
-1.8
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
1170.8
Current Weighted rating
1185.9
Current Weighted performance
1082.4
Current official/published rating (highest between Raw, WR and WP)
1185.9
Current highest rating achieved
1209.7
Current floor (min rating allowed)
709.7
Current K-factor
36
Games played this month
5
Score (S)
2.5
Expected score (We)
2.28
Difference (S-We)
0.22
Current Raw change (no limits, including tournament time weight)
7.9
Current min/max change allowed (with limits)
±172.9
Current Raw change used (final)
7.9
Projected new Raw rating
1178.7
Projected new Weighed rating
1090.6
Projected new Weighted performance
1121.0
Projected new final Raw rating (if new WP > new Raw)
1178.7
Projected new highest rating
1209.7
Projected new floor
709.7
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1178.7
Projected effective change (new Official - current Official)
-7.1
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
1279.9
Current Weighted rating
1234.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1279.9
Current highest rating achieved
1279.9
Current floor (min rating allowed)
779.9
Current K-factor
36
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)
±148.0
Current Raw change used (final)
0.0
Projected new Raw rating
1279.9
Projected new Weighed rating
1136.4
Projected new Weighted performance
1007.1
Projected new final Raw rating (if new WP > new Raw)
1279.9
Projected new highest rating
1279.9
Projected new floor
779.9
Projected new K-facor
36
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
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
Tournament:
Ekurhuleni North Primary Schools District Individual Finals 2024 (U11 Boys)
Start:
2024/05/11
End:
2024/05/11
Host:
GE
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
2.5
Main rating:
1215.8
Rating gain/loss:
-1.8
Type rating:
1170.8
Rating gain/loss:
7.9
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
Ekurhuleni North Primary Schools District Individual Finals 2024 (U11 Boys)
2024/05/11
2024/05/11
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.5
1215.8
1170.8
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
9
Ekurhuleni North Primary Schools District Individual Finals 2024 (U11 Boys)
2024/05/11
2024/05/11
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.5
1215.8
1170.8
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
15
8
1
6
8.5
56.7
56.7
1211.4
1268.1
White
7
3
0
4
3.0
42.9
-60.7
1199.0
1138.3
Black
8
5
1
2
5.5
68.8
159.4
1222.2
1381.6
Standard
All
10
4
1
5
4.5
45.0
-42.5
1217.1
1174.6
White
5
2
0
3
2.0
40.0
-85.0
1198.6
1113.6
Black
5
2
1
2
2.5
50.0
0.0
1235.6
1235.6
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
45
23
1
21
23.5
52.2
18.9
1215.4
1234.3
White
22
12
0
10
12.0
54.5
38.6
1203.3
1241.9
Black
23
11
1
11
11.5
50.0
0.0
1227.0
1227.0
Standard
All
30
13
1
16
13.5
45.0
-42.5
1220.3
1177.8
White
15
7
0
8
7.0
46.7
-28.3
1197.7
1169.4
Black
15
6
1
8
6.5
43.3
-56.7
1242.9
1186.3
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
1140305664
Mabunda, S (Sibusiso)
1
1.0
1
0
0
100.0
1215.8
425.0
1640.8
View list
12
2150162780
Marais, L (Leja)
1
1.0
1
0
0
100.0
1229.8
425.0
1654.8
View list
13
1140151769
Mbele, A (Amahle)
1
1.0
1
0
0
100.0
1222.2
425.0
1647.2
View list
14
1140305671
Mdletshe, M (Malibongwe)
1
1.0
1
0
0
100.0
1215.8
425.0
1640.8
View list
15
2140155181
Mendonca, N (Nelita)
1
1.0
1
0
0
100.0
1231.6
425.0
1656.6
View list
16
1140160692
Mhlubulwana, K (Khanyisile)
1
1.0
1
0
0
100.0
1200.5
425.0
1625.5
View list
17
1140301239
Nortje, L (Luke)
1
1.0
1
0
0
100.0
1198.3
425.0
1623.3
View list
18
1150152286
Rahlaga, K (Kaelo Alupheli)
1
1.0
1
0
0
100.0
1229.8
425.0
1654.8
View list
19
1140301246
Scholtz, E (Edmund)
1
1.0
1
0
0
100.0
1198.3
425.0
1623.3
View list
20
1120160699
Sibiya, A (Amahle)
1
1.0
1
0
0
100.0
1200.5
425.0
1625.5
View list