Chess South Africa
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Chess South Africa
Coetzee, W (Willem Christoffel)
Dob:
2007/03/05 (U18)
Gender:
Male
Chess SA id:
1070099945
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2023/08/12 (271 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
1336.0
Curent Weighted rating
1327.5
Curent Weighted performance
1087.1
Current official/published rating (highest between Raw, WR and WP)
1336.0
Current floor (min rating allowed)
836.0
Current highest rating achieved
1336.0
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)
±136.6
Current Raw change used (final)
0.0
Projected new Raw rating
1336.0
Projected new Weighed rating
1328.6
Projected new Weighted performance
1087.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1336.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1336.0
Projected new floor
836.0
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
1347.7
Curent Weighted rating
1338.2
Curent Weighted performance
1087.4
Current official/published rating (highest between Raw, WR and WP)
1347.7
Current floor (min rating allowed)
852.4
Current highest rating achieved
1352.4
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)
±134.3
Current Raw change used (final)
0.0
Projected new Raw rating
1347.7
Projected new Weighed rating
1339.3
Projected new Weighted performance
1087.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1347.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1352.4
Projected new floor
852.4
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
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)
700.0
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
700.0
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
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)
700.0
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
700.0
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
9
2023 Tshwane North School District CLOSED League Championships (D3) (U19)
2023/08/12
2023/08/12
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1311.2
1319.6
Analysis
8
2022 Gauteng Schools Team Championships (U15 Open)
2022/08/26
2022/08/26
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1333.9
1351.3
Analysis
7
2022 D3 Cluster Teams (U15 Mixed)
2022/05/28
2022/05/28
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1330.3
1352.4
Analysis
6
2022 D3 Cluster City Schools (U15)
2022/04/23
2022/04/23
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1287.6
1302.7
Analysis
5
2019 Gauteng School League Finals (U13 Open)
2019/08/23
2019/08/23
Tshwane (GTP)
Standard
60
0.83
5
4
3.0
1280.4
1296.6
Analysis
4
2019 D3 Team League (U13)
2019/07/20
2019/07/20
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1229.9
1237.2
Analysis
3
D3 Primary School League Cluster 4 2019 (U13)
2019/05/12
2019/05/12
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1175.1
1170.8
Analysis
2
2019 D3 Individuals (U13 Boys)
2019/04/13
2019/04/13
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1165.8
1158.8
Analysis
1
2018 D3 Tshwane North Individual Chess Championships (U11 Mixed)
2018/03/24
2018/03/24
Tshwane (GTP)
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
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
44
30
1
13
30.5
69.3
164.2
1155.5
1319.7
White
24
17
0
7
17.0
70.8
177.1
1173.7
1350.8
Black
20
13
1
6
13.5
67.5
148.8
1133.6
1282.4
Standard
All
44
30
1
13
30.5
69.3
164.2
1155.5
1319.7
White
24
17
0
7
17.0
70.8
177.1
1173.7
1350.8
Black
20
13
1
6
13.5
67.5
148.8
1133.6
1282.4
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
107084454
Fulat, F (Faheem)
3
1.5
1
1
1
50.0
1201.7
0.0
1201.7
View list
2
108045082
Koning, L (Lehan)
3
0.0
0
0
3
0.0
1272.6
-425.0
847.6
View list
3
107057447
Ferreira, IH (Ignus)
1
1.0
1
0
0
100.0
1229.9
425.0
1654.9
View list
4
1080139926
Erasmus, L (Lo-Andro)
1
1.0
1
0
0
100.0
1287.6
425.0
1712.6
View list
5
206079860
Dinham, K (Kiara)
1
1.0
1
0
0
100.0
1280.4
425.0
1705.4
View list
6
106068468
Deysel, JM (Juan Michael)
1
1.0
1
0
0
100.0
1175.1
425.0
1600.1
View list
7
1060112672
De Goede, D (De La Rey)
1
1.0
1
0
0
100.0
1165.8
425.0
1590.8
View list
8
1070115497
Choto, FVB (Farai Vuyo Bj)
1
1.0
1
0
0
100.0
1175.1
425.0
1600.1
View list
9
108061369
Human, LJ (Louis)
1
1.0
1
0
0
100.0
1333.9
425.0
1758.9
View list
10
107079467
Fuller, J (James)
1
1.0
1
0
0
100.0
1165.8
425.0
1590.8
View list
11
1080141587
Bulelani, S (Stephen)
1
1.0
1
0
0
100.0
1330.3
425.0
1755.3
View list
12
1070141583
Augustyn, C (Colin)
1
1.0
1
0
0
100.0
1330.3
425.0
1755.3
View list
13
1050159864
Mahlabe, B (Botshelo)
1
1.0
1
0
0
100.0
1311.2
425.0
1736.2
View list
14
1080116794
Magagula, F (Fakazi)
1
1.0
1
0
0
100.0
1229.9
425.0
1654.9
View list
15
100021238
Masemola, K (Kamogelo)
1
1.0
1
0
0
100.0
1311.2
425.0
1736.2
View list
16
1080099952
Maluleka, T (Tumisang)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
17
1070115519
Korff, M (Morne)
1
1.0
1
0
0
100.0
1175.1
425.0
1600.1
View list
18
2060147081
Monyamane, K (Karabo Palesa)
1
1.0
1
0
0
100.0
1311.2
425.0
1736.2
View list
19
1080115493
Nana, S (Siakam Brian)
1
1.0
1
0
0
100.0
1175.1
425.0
1600.1
View list
20
1070112681
Napo, T (Tumelo)
1
1.0
1
0
0
100.0
1165.8
425.0
1590.8
View list