Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
De Villiers, C (Cohen)
Dob:
2006/02/22 (U20)
Gender:
Male
Chess SA id:
106078154
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2022/04/09 (770 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
1142.2
Curent Weighted rating
1142.2
Curent Weighted performance
750.9
Current official/published rating (highest between Raw, WR and WP)
1142.2
Current floor (min rating allowed)
700.4
Current highest rating achieved
1200.4
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)
±180.0
Current Raw change used (final)
0.0
Projected new Raw rating
1142.2
Projected new Weighed rating
1142.2
Projected new Weighted performance
750.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1142.2
Projected effective change (new Official - current Official)
-0.0
Projected new highest rating
1200.4
Projected new floor
700.4
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
1121.8
Curent Weighted rating
1121.8
Curent Weighted performance
743.6
Current official/published rating (highest between Raw, WR and WP)
1121.8
Current floor (min rating allowed)
697.0
Current highest rating achieved
1197.0
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)
±185.4
Current Raw change used (final)
0.0
Projected new Raw rating
1121.8
Projected new Weighed rating
1121.8
Projected new Weighted performance
743.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1121.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1197.0
Projected new floor
697.0
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
752.0
Curent Weighted rating
752.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
752.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
752.0
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)
±313.9
Current Raw change used (final)
0.0
Projected new Raw rating
752.0
Projected new Weighed rating
752.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
752.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
752.0
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
752.0
Curent Weighted rating
752.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
752.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
752.0
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)
±313.9
Current Raw change used (final)
0.0
Projected new Raw rating
752.0
Projected new Weighed rating
752.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
752.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
752.0
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
12
Eden Proewe 2 2022 (O18 Seuns)
2022/04/09
2022/04/09
Eden District (WEG)
Standard
65
0.85
5
5
2.0
1155.4
1136.6
Analysis
11
Eden Proewe 1 2022 (O18 Seuns)
2022/03/12
2022/03/12
Eden District (WEG)
Standard
65
0.85
5
5
1.0
1200.4
1197.0
Analysis
10
Mosselbaai Skole Skaak Proewe 1 2022 (U18 Open)
2022/01/29
2022/01/29
Eden District (WEG)
Standard
65
0.85
5
4
3.0
1178.6
1172.2
Analysis
9
Eden Schools Closed Trials 1 2020 (U15 Boys)
2020/03/07
2020/03/07
Eden District (WEG)
Standard
65
0.85
5
5
3.0
1165.0
1159.0
Analysis
8
Mossel Bay Trials 2 2020 (U15)
2020/02/15
2020/02/15
Eden District (WEG)
Standard
65
0.85
5
5
3.0
1156.2
1148.6
Analysis
7
Mossel Bay Trials 1 2020 (U15)
2020/02/01
2020/02/01
Eden District (WEG)
Standard
65
0.85
5
5
3.5
1156.2
1148.6
Analysis
6
Eden Top Schools 2019 (U13)
2019/07/20
2019/07/20
Eden District (WEG)
Standard
60
0.83
5
5
2.5
1083.8
1078.3
Analysis
5
Eden Trials 3 2019 (U14 Open)
2019/05/11
2019/05/11
Eden District (WEG)
Standard
60
0.83
5
5
3.0
908.0
932.0
Analysis
4
Eden Trials 2 2019 (U14 Open)
2019/04/13
2019/04/13
Eden District (WEG)
Standard
60
0.83
5
5
3.0
830.6
842.4
Analysis
3
Eden Trials 1 2019 (U14 Open)
2019/03/02
2019/03/02
Eden District (WEG)
Standard
60
0.83
5
5
2.0
777.1
777.6
Analysis
2
Eden Top Schools 2018 (U13 Mix)
2018/07/28
2018/07/28
Eden District (WEG)
Standard
60
0.83
5
5
1.0
778.4
778.4
Analysis
1
South African Junior Team Championships 2017 (U12D)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
7
4.5
752.0
752.0
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
66
31
6
29
34.0
51.5
12.9
1095.1
1108.0
White
34
14
4
16
16.0
47.1
-25.0
1085.6
1060.6
Black
32
17
2
13
18.0
56.3
53.1
1105.2
1158.3
Standard
All
66
31
6
29
34.0
51.5
12.9
1095.1
1108.0
White
34
14
4
16
16.0
47.1
-25.0
1085.6
1060.6
Black
32
17
2
13
18.0
56.3
53.1
1105.2
1158.3
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
1060118499
Claassen, R (Ruwaldo)
3
2.0
2
0
1
66.7
1163.7
141.7
1305.3
View list
2
2050130835
Jones, J (Jamie-Lee)
2
2.0
2
0
0
100.0
1156.2
425.0
1581.2
View list
3
1060107849
Kamfer, P (Pedronique)
2
2.0
2
0
0
100.0
803.9
425.0
1228.8
View list
4
1060117260
Maart, F (Francis)
2
2.0
2
0
0
100.0
1083.8
425.0
1508.8
View list
5
207072850
Nel, D (Danika)
2
2.0
2
0
0
100.0
1083.8
425.0
1508.8
View list
6
1000132956
Baatjies, H (Henzel)
2
1.0
1
0
1
50.0
1182.7
0.0
1182.7
View list
7
1070098426
Tebe, A (Alexandria)
2
1.0
0
2
0
50.0
1083.8
0.0
1083.8
View list
8
105078131
Kiewiet, M (Marvin)
2
0.5
0
1
1
25.0
967.3
-212.5
754.8
View list
9
1050107882
Julies, N (Nigeal)
2
0.0
0
0
2
0.0
1177.9
-425.0
752.9
View list
10
107086420
Kruger, S (Sachin)
2
0.0
0
0
2
0.0
1083.8
-425.0
658.8
View list
11
1060108575
Pietersen, E (Enzalin)
2
0.0
0
0
2
0.0
1083.8
-425.0
658.8
View list
12
105088335
Taute, C (Clayden)
2
0.0
0
0
2
0.0
1182.7
-425.0
757.7
View list
13
1040136867
Fourie, C (Carlo)
1
1.0
1
0
0
100.0
1178.6
425.0
1603.6
View list
14
2060098465
Fana, A (Awethu)
1
1.0
1
0
0
100.0
1156.2
425.0
1581.2
View list
15
1060110950
Diemer, A (Adriaan)
1
1.0
1
0
0
100.0
908.0
425.0
1333.0
View list
16
105088317
Hendricks, J (Jereldo)
1
1.0
1
0
0
100.0
778.4
425.0
1203.4
View list
17
1050107883
Jacobs, V (Vaughan)
1
1.0
1
0
0
100.0
1155.4
425.0
1580.4
View list
18
107082961
Baadjies, B (Bradley)
1
1.0
1
0
0
100.0
777.1
425.0
1202.1
View list
19
106092942
Daniels, K (Keanu)
1
1.0
1
0
0
100.0
1178.6
425.0
1603.6
View list
20
207072974
Carstens, I (Ineke)
1
1.0
1
0
0
100.0
830.6
425.0
1255.6
View list