Chess South Africa
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Chess South Africa
Coertzen, Z (Za-Niel)
Dob:
2004/04/21 (Adult)
Gender:
Female
Chess SA id:
2040131172
FIDE id:
Region:
Mangaung (FMB)
Citizen:
RSA
Title(s):
Last active:
2022/08/12 (660 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
1154.8
Curent Weighted rating
1154.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1154.8
Current floor (min rating allowed)
699.0
Current highest rating achieved
1199.0
Current K-factor
40
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)
±176.8
Current Raw change used (final)
0.0
Projected new Raw rating
1154.8
Projected new Weighed rating
1154.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1154.8
Projected effective change (new Official - current Official)
-0.0
Projected new highest rating
1199.0
Projected new floor
699.0
Projected new K-facor
40
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
1198.4
Curent Weighted rating
1198.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1198.4
Current floor (min rating allowed)
698.4
Current highest rating achieved
1198.4
Current K-factor
40
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)
±166.2
Current Raw change used (final)
0.0
Projected new Raw rating
1198.4
Projected new Weighed rating
1198.4
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1198.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1198.4
Projected new floor
698.4
Projected new K-facor
40
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
1115.6
Curent Weighted rating
1115.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1115.6
Current floor (min rating allowed)
618.8
Current highest rating achieved
1118.8
Current K-factor
40
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)
±187.0
Current Raw change used (final)
0.0
Projected new Raw rating
1115.6
Projected new Weighed rating
1115.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1115.6
Projected effective change (new Official - current Official)
-0.0
Projected new highest rating
1118.8
Projected new floor
618.8
Projected new K-facor
40
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)
618.8
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
618.8
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
4
Bloemfontein School League 2022 (U19)
2022/08/12
2022/08/12
Mangaung (FMB)
Rapid
35
0.66
5
5
2.0
1157.7
1118.8
Analysis
3
Bloemfontein Schools League 2022 (U19+Open)
2022/02/25
2022/02/25
Mangaung (FMB)
Rapid
22
0.50
5
5
3.0
1142.3
1104.4
Analysis
2
Morris Chess Club Challenge 2021
2021/04/10
2021/04/10
Mangaung (FMB)
Rapid
32
0.63
5
4
0.0
1199.0
1200.0
Analysis
1
Morris Club Tournament 2020
2020/02/15
2020/02/15
Mangaung (FMB)
Standard
60
0.83
5
3
1.5
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
17
6
1
10
6.5
38.2
-100.0
1190.7
1090.7
White
9
4
0
5
4.0
44.4
-47.2
1169.4
1122.1
Black
8
2
1
5
2.5
31.3
-159.4
1214.8
1055.4
Standard
All
3
1
1
1
1.5
50.0
0.0
1177.2
1177.2
White
1
0
0
1
0.0
0.0
-425.0
1200.0
775.0
Black
2
1
1
0
1.5
75.0
212.5
1165.8
1378.3
Rapid
All
14
5
0
9
5.0
35.7
-121.4
1193.6
1072.2
White
8
4
0
4
4.0
50.0
0.0
1165.5
1165.5
Black
6
1
0
5
1.0
16.7
-283.3
1231.1
947.8
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
1070134117
Motae, K (Kamohelo)
2
0.0
0
0
2
0.0
1199.0
-425.0
774.0
View list
2
1050138221
Seletswane, U (Unathi)
1
1.0
1
0
0
100.0
1142.3
425.0
1567.3
View list
3
1060145481
Rossouw, H (Hardus)
1
1.0
1
0
0
100.0
1157.7
425.0
1582.7
View list
4
1050138218
Pretorius, C (Chad)
1
1.0
1
0
0
100.0
1142.3
425.0
1567.3
View list
5
207061418
Pretorius, A (Ane)
1
1.0
1
0
0
100.0
1142.3
425.0
1567.3
View list
6
1040145479
Nthunya, M (Mpho)
1
1.0
1
0
0
100.0
1157.7
425.0
1582.7
View list
7
1080111842
Mhlontlo, K (Kamohelo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
107095831
Fokase, T (Tshepang)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
9
201034278
Shaba, K (Keneuwe)
1
0.0
0
0
1
0.0
1199.0
-425.0
774.0
View list
10
1110108383
Olivier, R (Riley)
1
0.0
0
0
1
0.0
1199.0
-425.0
774.0
View list
11
1040138214
Molelekoa, R (Retshepile)
1
0.0
0
0
1
0.0
1142.3
-425.0
717.3
View list
12
1060111831
Mitchell, V (Vanadium)
1
0.0
0
0
1
0.0
1157.7
-425.0
732.7
View list
13
1040132535
Barnes, D (Damien)
1
0.0
0
0
1
0.0
1157.7
-425.0
732.7
View list
14
2000100899
Mathibeli, R (Rethabile)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
15
1050145478
Leserwane, T (Thuto)
1
0.0
0
0
1
0.0
1157.7
-425.0
732.7
View list
16
1070119327
Gerber, M (Michar)
1
0.0
0
0
1
0.0
1142.3
-425.0
717.3
View list