Chess South Africa
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Chess South Africa
Coetzee, J (Jaco)
Dob:
2009/10/17 (U16)
Gender:
Male
Chess SA id:
109076176
FIDE id:
Region:
Sedibeng (GSV)
Citizen:
RSA
Title(s):
Last active:
2022/02/19 (807 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
1066.3
Curent Weighted rating
1066.3
Curent Weighted performance
544.5
Current official/published rating (highest between Raw, WR and WP)
1066.3
Current floor (min rating allowed)
569.6
Current highest rating achieved
1069.6
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)
±200.6
Current Raw change used (final)
0.0
Projected new Raw rating
1066.3
Projected new Weighed rating
1066.3
Projected new Weighted performance
544.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1066.3
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1069.6
Projected new floor
569.6
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
1072.6
Curent Weighted rating
1072.6
Curent Weighted performance
540.7
Current official/published rating (highest between Raw, WR and WP)
1072.6
Current floor (min rating allowed)
583.0
Current highest rating achieved
1083.0
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)
±198.8
Current Raw change used (final)
0.0
Projected new Raw rating
1072.6
Projected new Weighed rating
1072.6
Projected new Weighted performance
540.7
Projected new official/published rating (highest between new Raw, new WR and new WP)
1072.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1083.0
Projected new floor
583.0
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
542.6
Curent Weighted rating
542.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
542.6
Current floor (min rating allowed)
500.0
Current highest rating achieved
542.6
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)
±423.1
Current Raw change used (final)
0.0
Projected new Raw rating
542.6
Projected new Weighed rating
542.6
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
542.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
542.6
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
542.6
Curent Weighted rating
542.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
542.6
Current floor (min rating allowed)
500.0
Current highest rating achieved
542.6
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)
±423.1
Current Raw change used (final)
0.0
Projected new Raw rating
542.6
Projected new Weighed rating
542.6
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
542.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
542.6
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
17
Heidelberg Klub Open 2002 (C)
2022/02/19
2022/02/19
Sedibeng (GSV)
Standard
60
0.83
5
5
2.0
1069.6
1083.0
Analysis
16
2019 Gauteng School League Finals (U11 Open)
2019/08/23
2019/08/23
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
996.2
994.2
Analysis
15
D7 Primary School League 2019 (U11)
2019/08/03
2019/08/03
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
996.2
994.2
Analysis
14
D7 Individuals 2019 (U11 Boys)
2019/05/04
2019/05/04
Sedibeng (GSV)
Standard
61
0.83
5
5
2.0
984.2
981.0
Analysis
13
South African Junior Team Championships 2018 (U12D)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
6
2.0
1055.0
1055.4
Analysis
12
2018 Interregion Sedibeng vs Ekurhuleni (P)
2018/11/03
2018/11/03
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1051.5
1050.7
Analysis
11
Eureka Chess Open 2018 (H)
2018/09/29
2018/09/29
Sedibeng (GSV)
Standard
61
0.83
5
5
2.0
1012.1
1013.4
Analysis
10
2018 Gauteng League Final (U9)
2018/08/24
2018/08/24
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
821.4
833.5
Analysis
9
Heidelberg Klub Round Robin 2018 (Team 7)
2018/08/18
2018/08/18
Sedibeng (GSV)
Standard
61
0.83
7
6
3.5
821.4
833.5
Analysis
8
TST-MSA Tournament 2018 (E)
2018/07/21
2018/07/21
Sedibeng (GSV)
Standard
61
0.83
5
4
2.0
774.9
776.3
Analysis
7
Broadland`s Knights Chess Open 2018 (C)
2018/06/16
2018/06/16
Sedibeng (GSV)
Standard
61
0.83
5
4
0.0
792.8
799.5
Analysis
6
Hoerskool Drie Riviere Open 2018 (D)
2018/06/09
2018/06/09
Sedibeng (GSV)
Standard
61
0.83
5
5
2.0
792.8
799.5
Analysis
5
Amigo Spur Eligwa Chess Open 2018 (C)
2018/05/19
2018/05/19
Sedibeng (GSV)
Standard
60
0.83
5
4
1.0
705.8
748.4
Analysis
4
Heidelberg Skaak Klub 2018 (Team 9)
2018/05/05
2018/05/05
Sedibeng (GSV)
Standard
60
0.83
5
5
1.0
705.8
748.4
Analysis
3
D7 Primary School League 2023 (U9 Boys+Mixed)
2018/04/21
2018/04/21
Sedibeng (GSV)
Standard
61
0.83
5
5
5.0
554.4
565.6
Analysis
2
D7 Individual 2018 (U9 Boys)
2018/02/24
2018/02/24
Sedibeng (GSV)
Standard
61
0.83
5
5
2.0
500.0
500.0
Analysis
1
South African Junior Team Championships 2017 (U12D)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
6
1.0
542.6
542.6
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
85
36
1
48
36.5
42.9
-60.0
1010.2
950.2
White
39
16
0
23
16.0
41.0
-76.3
1005.0
928.7
Black
46
20
1
25
20.5
44.6
-46.2
1014.5
968.3
Standard
All
85
36
1
48
36.5
42.9
-60.0
1010.2
950.2
White
39
16
0
23
16.0
41.0
-76.3
1005.0
928.7
Black
46
20
1
25
20.5
44.6
-46.2
1014.5
968.3
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
207091196
Gebuza, M (Mbali)
2
1.0
1
0
1
50.0
922.1
0.0
922.1
View list
2
1090098059
Kapp, JS (Jeandre)
2
1.0
1
0
1
50.0
783.8
0.0
783.8
View list
3
1100100762
Myburgh, M (Matthew)
2
1.0
1
0
1
50.0
945.5
0.0
945.5
View list
4
107064054
Tabane, G (Gomolemo)
2
0.0
0
0
2
0.0
749.3
-425.0
324.3
View list
5
1120105310
Bannerman, K (Kellam)
1
1.0
1
0
0
100.0
821.4
425.0
1246.4
View list
6
1090113650
Botha, R (Ricardo)
1
1.0
1
0
0
100.0
996.2
425.0
1421.2
View list
7
209093064
De Villiers, AE (Anke)
1
1.0
1
0
0
100.0
821.4
425.0
1246.4
View list
8
1090100404
Els, C (Christiaan)
1
1.0
1
0
0
100.0
554.4
425.0
979.4
View list
9
2090104093
Giulashe, L (Lesedi)
1
1.0
1
0
0
100.0
774.9
425.0
1199.9
View list
10
1090097406
Alberts, D (Daniel)
1
1.0
1
0
0
100.0
1069.6
425.0
1494.6
View list
11
1100106661
Harmse, H (Heinrich)
1
1.0
1
0
0
100.0
1012.1
425.0
1437.1
View list
12
1010098067
Johannes, R (Reinhardt)
1
1.0
1
0
0
100.0
705.8
425.0
1130.8
View list
13
2090118211
Jonck, T (Thalea)
1
1.0
1
0
0
100.0
1069.6
425.0
1494.6
View list
14
1070098418
Jordaan, T (Thor)
1
1.0
1
0
0
100.0
1055.0
425.0
1480.0
View list
15
2100097421
Kuveya, R (Rufaro)
1
1.0
1
0
0
100.0
792.8
425.0
1217.8
View list
16
1100105705
Le Roux, SJ (Stephanus Johannes)
1
1.0
1
0
0
100.0
821.4
425.0
1246.4
View list
17
109091984
Liebenberg, Z (Zain)
1
1.0
1
0
0
100.0
984.2
425.0
1409.2
View list
18
206084229
Lombaard, M (Mia)
1
1.0
1
0
0
100.0
542.6
425.0
967.6
View list
19
208088689
Manadan, A (Anina)
1
1.0
1
0
0
100.0
1055.0
425.0
1480.0
View list
20
1120100417
Matla, K (Kemuel)
1
1.0
1
0
0
100.0
792.8
425.0
1217.8
View list