Chess South Africa
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Chess South Africa
Coetzee, Z (Zahne)
Dob:
2005/11/23 (U20)
Gender:
Female
Chess SA id:
205087157
FIDE id:
Region:
Sedibeng (GSV)
Citizen:
RSA
Title(s):
Last active:
2019/08/24 (1731 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
1111.7
Curent Weighted rating
1111.7
Curent Weighted performance
433.2
Current official/published rating (highest between Raw, WR and WP)
1111.7
Current floor (min rating allowed)
646.6
Current highest rating achieved
1146.6
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)
±188.0
Current Raw change used (final)
0.0
Projected new Raw rating
1111.7
Projected new Weighed rating
1111.7
Projected new Weighted performance
433.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1111.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1146.6
Projected new floor
646.6
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
1112.7
Curent Weighted rating
1112.7
Curent Weighted performance
433.6
Current official/published rating (highest between Raw, WR and WP)
1112.7
Current floor (min rating allowed)
649.7
Current highest rating achieved
1149.7
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)
±187.8
Current Raw change used (final)
0.0
Projected new Raw rating
1112.7
Projected new Weighed rating
1112.7
Projected new Weighted performance
433.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1112.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1149.7
Projected new floor
649.7
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
678.0
Curent Weighted rating
678.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
678.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
678.0
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)
±348.8
Current Raw change used (final)
0.0
Projected new Raw rating
678.0
Projected new Weighed rating
678.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
678.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
678.0
Projected new floor
500.0
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
678.0
Curent Weighted rating
678.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
678.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
678.0
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)
±348.8
Current Raw change used (final)
0.0
Projected new Raw rating
678.0
Projected new Weighed rating
678.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
678.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
678.0
Projected new floor
500.0
Projected new K-facor
40
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
16
2019 Gauteng School League Finals (U15 Open)
2019/08/24
2019/08/24
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1052.7
1056.9
Analysis
15
2019 Gauteng Secondary Schools Individual Chess Championships (U15 Girls)
2019/05/25
2019/05/25
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
892.3
869.7
Analysis
14
D7 Individuals 2019 (U15 Girls)
2019/05/04
2019/05/04
Sedibeng (GSV)
Standard
60
0.83
5
5
3.5
892.3
869.7
Analysis
13
South African Junior Team Championships 2018 (U14C)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
1.5
885.5
851.7
Analysis
12
2018 Interregion Sedibeng vs Ekurhuleni (I)
2018/11/03
2018/11/03
Sedibeng (GSV)
Standard
60
0.83
5
5
0.0
938.6
913.3
Analysis
11
2018 Sedibeng Summer Open (F)
2018/10/20
2018/10/20
Sedibeng (GSV)
Standard
60
0.83
5
5
0.0
1017.0
1006.5
Analysis
10
Eureka Chess Open 2018 (F)
2018/09/29
2018/09/29
Sedibeng (GSV)
Standard
61
0.83
5
5
3.0
1017.7
1007.3
Analysis
9
2018 Gauteng League Final (U13 Girls)
2018/08/24
2018/08/24
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1060.9
1050.5
Analysis
8
Heidelberg Klub Round Robin 2018 (Team 2)
2018/08/18
2018/08/18
Sedibeng (GSV)
Standard
61
0.83
5
5
1.5
1060.9
1050.5
Analysis
7
TST-MSA Tournament 2018 (A)
2018/07/21
2018/07/21
Sedibeng (GSV)
Standard
61
0.83
5
5
0.0
1146.6
1149.7
Analysis
6
Broadland`s Knights Chess Open 2018 (C)
2018/06/16
2018/06/16
Sedibeng (GSV)
Standard
61
0.83
5
5
4.0
896.3
935.6
Analysis
5
Hoerskool Drie Riviere Open 2018 (C)
2018/06/09
2018/06/09
Sedibeng (GSV)
Standard
61
0.83
5
5
5.0
896.3
935.6
Analysis
4
Amigo Spur Eligwa Chess Open 2018 (C)
2018/05/19
2018/05/19
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
735.3
743.2
Analysis
3
Heidelberg Skaak Klub 2018 (Team 8)
2018/05/05
2018/05/05
Sedibeng (GSV)
Standard
60
0.83
5
5
4.0
735.3
743.2
Analysis
2
D7 Individual 2018 (U13 Girls)
2018/02/24
2018/02/24
Sedibeng (GSV)
Standard
61
0.83
5
5
3.0
696.8
696.8
Analysis
1
South African Junior Team Championships 2017 (U14 Girls)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
6
4.0
678.0
678.0
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
83
38
4
41
40.0
48.2
-15.4
1004.3
988.9
White
43
23
2
18
24.0
55.8
49.4
998.5
1047.9
Black
40
15
2
23
16.0
40.0
-85.0
1010.5
925.5
Standard
All
83
38
4
41
40.0
48.2
-15.4
1004.3
988.9
White
43
23
2
18
24.0
55.8
49.4
998.5
1047.9
Black
40
15
2
23
16.0
40.0
-85.0
1010.5
925.5
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
105044684
Nel, A (Altus)
3
1.0
1
0
2
33.3
897.5
-141.7
755.8
View list
2
205091406
Pretorius, S (Suate)
3
1.0
1
0
2
33.3
868.9
-141.7
727.3
View list
3
1040098050
Diedericks, E (Ethan)
2
2.0
2
0
0
100.0
957.0
425.0
1382.0
View list
4
107086032
Naude, E (Enrique)
2
1.0
1
0
1
50.0
978.6
0.0
978.6
View list
5
207053292
De Villiers, D (Danielle)
2
0.5
0
1
1
25.0
1039.0
-212.5
826.5
View list
6
109087166
Cronje, O (Omri)
1
1.0
1
0
0
100.0
735.3
425.0
1160.3
View list
7
111087168
Cronje, E (Emile)
1
1.0
1
0
0
100.0
735.3
425.0
1160.3
View list
8
205089252
Coetzee, M (Mieke)
1
1.0
1
0
0
100.0
696.8
425.0
1121.8
View list
9
109076176
Coetzee, J (Jaco)
1
1.0
1
0
0
100.0
735.3
425.0
1160.3
View list
10
106014912
Botes, A (Arne)
1
1.0
1
0
0
100.0
896.3
425.0
1321.3
View list
11
204006460
De Jager, V (Vivica)
1
1.0
1
0
0
100.0
892.3
425.0
1317.3
View list
12
107065189
Delaney, TC (Troy)
1
1.0
1
0
0
100.0
735.3
425.0
1160.3
View list
13
206079945
Gaula, M (Mateboho)
1
1.0
1
0
0
100.0
1060.9
425.0
1485.9
View list
14
106053294
Fritz, GPJ (Georg)
1
1.0
1
0
0
100.0
896.3
425.0
1321.3
View list
15
1090100404
Els, C (Christiaan)
1
1.0
1
0
0
100.0
735.3
425.0
1160.3
View list
16
206077174
Dyason, N (Nicola)
1
1.0
1
0
0
100.0
1060.9
425.0
1485.9
View list
17
107067393
Jones, M (Musa)
1
1.0
1
0
0
100.0
896.3
425.0
1321.3
View list
18
107065190
Jonker, J (Jaen-Pierre)
1
1.0
1
0
0
100.0
735.3
425.0
1160.3
View list
19
106089804
Kgokolo, K (Kgotso)
1
1.0
1
0
0
100.0
885.5
425.0
1310.5
View list
20
2040112797
Manguele, N (Nomfundo)
1
1.0
1
0
0
100.0
892.3
425.0
1317.3
View list