Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Opperman, N (Natasha)
Dob:
1971/11/25 (Adult)
Gender:
Female
Chess SA id:
2710112238
FIDE id:
Opperman
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2023/08/12 (284 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
1241.6
Curent Weighted rating
1227.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1241.6
Current floor (min rating allowed)
741.6
Current highest rating achieved
1241.6
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)
±156.3
Current Raw change used (final)
0.0
Projected new Raw rating
1241.6
Projected new Weighed rating
1229.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1241.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1241.6
Projected new floor
741.6
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
1211.6
Curent Weighted rating
1194.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1211.6
Current floor (min rating allowed)
711.6
Current highest rating achieved
1211.6
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)
±163.1
Current Raw change used (final)
0.0
Projected new Raw rating
1211.6
Projected new Weighed rating
1196.3
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1211.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1211.6
Projected new floor
711.6
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
1287.3
Curent Weighted rating
1259.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1287.3
Current floor (min rating allowed)
787.3
Current highest rating achieved
1287.3
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)
±146.4
Current Raw change used (final)
0.0
Projected new Raw rating
1287.3
Projected new Weighed rating
1262.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1287.3
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1287.3
Projected new floor
787.3
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
1300.0
Curent Weighted rating
1236.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1300.0
Current floor (min rating allowed)
787.3
Current highest rating achieved
1300.0
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)
±143.8
Current Raw change used (final)
0.0
Projected new Raw rating
1300.0
Projected new Weighed rating
1243.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1300.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1300.0
Projected new floor
787.3
Projected new K-facor
36
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
5
CW Top Schools 2023 (Intermediate)
2023/08/12
2023/08/12
West Coast (WCU)
Standard
60
0.83
5
5
3.0
1210.2
1161.2
Analysis
4
Genesis Chess Club Open 2023 (B)
2023/02/04
2023/02/04
West Coast (WCU)
Rapid
30
0.60
5
4
3.0
1183.8
1215.6
Analysis
3
Curro Durbanville Chess Open Rapid 2022 (Parents)
2022/07/02
2022/07/02
Cape Town (WCT)
Rapid
15
0.39
5
5
3.0
1173.8
1200.0
Analysis
2
Western Cape Womans Month Tournament 2019 (Prestige)
2019/08/09
2019/08/11
West Coast (WCU)
Standard
90
0.94
7
6
2.5
1199.0
1198.8
Analysis
1
Crossroads Open Chess Championship 2019 (C)
2019/04/27
2019/04/28
Cape Town (WCT)
Standard
70
0.87
6
3
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
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
Standard
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
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
23
13
1
9
13.5
58.7
73.9
1188.5
1262.4
White
12
7
0
5
7.0
58.3
70.8
1172.5
1243.4
Black
11
6
1
4
6.5
59.1
77.3
1205.9
1283.2
Standard
All
14
7
1
6
7.5
53.6
30.4
1182.9
1213.3
White
8
5
0
3
5.0
62.5
106.3
1156.2
1262.4
Black
6
2
1
3
2.5
41.7
-70.8
1218.6
1147.7
Rapid
All
9
6
0
3
6.0
66.7
141.7
1197.2
1338.9
White
4
2
0
2
2.0
50.0
0.0
1205.3
1205.3
Black
5
4
0
1
4.0
80.0
255.0
1190.8
1445.8
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
1100153271
Credo, Z (Zogo)
1
1.0
1
0
0
100.0
1183.8
425.0
1608.8
View list
2
205073351
Brand, R (Robin)
1
1.0
1
0
0
100.0
1199.0
425.0
1624.0
View list
3
1100148014
Jooste, S (Shaqeel)
1
1.0
1
0
0
100.0
1183.8
425.0
1608.8
View list
4
108087782
Jonkers, T (Tristan)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1100153802
Meyer, D (Dewanio)
1
1.0
1
0
0
100.0
1210.2
425.0
1635.2
View list
6
2100142543
Love, C (Celine)
1
1.0
1
0
0
100.0
1210.2
425.0
1635.2
View list
7
1980153272
Lentsha, T (Tshireletso)
1
1.0
1
0
0
100.0
1183.8
425.0
1608.8
View list
8
1060108813
Phongoma, A (Amkele)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
9
1750143631
Olivier, B (Barnard)
1
1.0
1
0
0
100.0
1173.8
425.0
1598.8
View list
10
1790106740
Somai, S (Shaun)
1
1.0
1
0
0
100.0
1173.8
425.0
1598.8
View list
11
1760143634
Snyman, D (David)
1
1.0
1
0
0
100.0
1173.8
425.0
1598.8
View list
12
207087109
Van Beeck, T (Trinity)
1
1.0
1
0
0
100.0
1199.0
425.0
1624.0
View list
13
1080149721
Weir, R (Rosswill)
1
1.0
1
0
0
100.0
1210.2
425.0
1635.2
View list
14
207078345
Scheepers, M (Mieke)
1
0.5
0
1
0
50.0
1199.0
0.0
1199.0
View list
15
1120135094
Singh, S (Shaurya)
1
0.0
0
0
1
0.0
1210.2
-425.0
785.2
View list
16
1940143627
Moni, C (Constance)
1
0.0
0
0
1
0.0
1173.8
-425.0
748.8
View list
17
2100131690
Mitchells, C (Chloe)
1
0.0
0
0
1
0.0
1183.8
-425.0
758.8
View list
18
208078018
Kilroe-Smith, G (Gabriella)
1
0.0
0
0
1
0.0
1199.0
-425.0
774.0
View list
19
204048739
Juta, P (Paulincia)
1
0.0
0
0
1
0.0
1199.0
-425.0
774.0
View list
20
204048734
Fielies, S (Salima)
1
0.0
0
0
1
0.0
1199.0
-425.0
774.0
View list