Chess South Africa
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Chess South Africa
De Villiers, OT (Ockert)
Dob:
2005/09/15 (U20)
Gender:
Male
Chess SA id:
105077393
FIDE id:
Region:
Nelson Mandela Bay (ENM)
Citizen:
RSA
Title(s):
Last active:
2023/02/18 (455 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
1284.4
Curent Weighted rating
1287.0
Curent Weighted performance
1022.2
Current official/published rating (highest between Raw, WR and WP)
1287.0
Current floor (min rating allowed)
812.8
Current highest rating achieved
1312.8
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)
±147.0
Current Raw change used (final)
0.0
Projected new Raw rating
1284.4
Projected new Weighed rating
1286.6
Projected new Weighted performance
1022.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1286.6
Projected effective change (new Official - current Official)
-0.4
Projected new highest rating
1312.8
Projected new floor
812.8
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
1275.3
Curent Weighted rating
1278.7
Curent Weighted performance
1017.6
Current official/published rating (highest between Raw, WR and WP)
1278.7
Current floor (min rating allowed)
812.0
Current highest rating achieved
1312.0
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)
±148.9
Current Raw change used (final)
0.0
Projected new Raw rating
1275.3
Projected new Weighed rating
1278.1
Projected new Weighted performance
1017.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1278.1
Projected effective change (new Official - current Official)
-0.6
Projected new highest rating
1312.0
Projected new floor
812.0
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
867.6
Curent Weighted rating
867.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
867.6
Current floor (min rating allowed)
500.0
Current highest rating achieved
867.6
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)
±266.3
Current Raw change used (final)
0.0
Projected new Raw rating
867.6
Projected new Weighed rating
867.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
867.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
867.6
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
746.0
Curent Weighted rating
746.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
746.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
746.0
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)
±316.6
Current Raw change used (final)
0.0
Projected new Raw rating
746.0
Projected new Weighed rating
746.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
746.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
746.0
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
26
NMB 1st Trials 2023 (Adults)
2023/02/17
2023/02/18
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1312.8
1312.0
Analysis
25
Eatern Cape Provincial Chess Championship 2022 (U18 Boys)
2022/10/01
2022/10/01
Sarah Baartman (ESB)
Standard
65
0.85
7
7
4.5
1290.8
1282.5
Analysis
24
2022 NMBCU Trial 4 (U18)
2022/08/12
2022/08/13
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
5
2.5
1282.7
1273.5
Analysis
23
NMBCU Trial 3 2022 (U18)
2022/07/22
2022/07/23
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1292.9
1286.1
Analysis
22
2022 NMB Junior Trials 2 (U18)
2022/05/13
2022/05/14
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
5
3.0
1235.8
1209.1
Analysis
21
NMB Senior Trial 1 2022 (U18)
2022/05/06
2022/05/07
Nelson Mandela Bay (ENM)
Standard
60
0.83
5
5
3.5
1235.8
1209.1
Analysis
20
2022 Nelson Mandela Bay Open (B)
2022/02/04
2022/02/06
Nelson Mandela Bay (ENM)
Standard
90
0.94
5
5
2.5
1207.4
1167.1
Analysis
19
2020 Boardwalk Pearson Open Chess Festival (Open)
2020/03/14
2020/03/15
Nelson Mandela Bay (ENM)
Standard
90
0.94
5
4
2.0
1104.5
1057.8
Analysis
18
2020 NMBCU Chess Trials 2 2020 (U16)
2020/03/07
2020/03/07
Nelson Mandela Bay (ENM)
Standard
62
0.84
5
4
2.0
1104.5
1057.8
Analysis
17
2020 NMBCU Chess Trial 1 (U16)
2020/02/08
2020/02/09
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1041.2
1043.8
Analysis
16
Brandwag Open 2020 (C)
2020/02/01
2020/02/01
Nelson Mandela Bay (ENM)
Rapid
30
0.60
5
5
4.0
1041.2
746.0
Analysis
15
2019 South African Junior Team Championships (U16A)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
1.0
1049.6
1050.6
Analysis
14
NMBYCC Closed 2019 (U16)
2019/07/26
2019/07/27
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
2.5
1041.3
1035.0
Analysis
13
Nelson Mandela Bay Junior Trials 4 2019 (U16)
2019/07/12
2019/07/13
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1041.3
1035.0
Analysis
12
NMBJCU Trials 3 2019 (U16)
2019/05/10
2019/05/11
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
5
2.0
1049.3
1045.4
Analysis
11
Nelson Mandela Bay Junior Chess Trials 2 2019 (U16)
2019/04/05
2019/04/06
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
5
1.5
1066.2
1066.6
Analysis
10
NMBCU Trials 1 2019 (U16)
2019/03/08
2019/03/09
Nelson Mandela Bay (ENM)
Standard
60
0.83
5
5
2.5
1036.7
1028.6
Analysis
9
South African Junior Team Championships 2018 (U14B)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
2.0
1030.3
1018.6
Analysis
8
NMBJC Closed 2018 (U14)
2018/07/27
2018/07/28
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1005.0
1004.5
Analysis
7
NMBJC Trials 4 2018 (U14)
2018/07/20
2018/07/21
Nelson Mandela Bay (ENM)
Standard
60
0.83
5
5
3.0
1005.0
1004.5
Analysis
1
2
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
140
63
11
66
68.5
48.9
-9.1
1140.4
1131.3
White
71
33
7
31
36.5
51.4
12.0
1134.2
1146.1
Black
69
30
4
35
32.0
46.4
-30.8
1146.8
1116.0
Standard
All
135
59
11
65
64.5
47.8
-18.9
1140.6
1121.7
White
69
31
7
31
34.5
50.0
0.0
1133.1
1133.1
Black
66
28
4
34
30.0
45.5
-38.6
1148.5
1109.8
Rapid
All
5
4
0
1
4.0
80.0
255.0
1133.4
1388.4
White
2
2
0
0
2.0
100.0
425.0
1169.7
1594.7
Black
3
2
0
1
2.0
66.7
141.7
1109.3
1250.9
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
205064819
Holroyd, K (Kea)
8
2.0
1
2
5
25.0
1091.0
-212.5
878.5
View list
2
105088368
Freeman, V (Vianco)
7
1.0
1
0
6
14.3
1060.8
-303.6
757.2
View list
3
105078072
Rispel, B (Brady)
5
4.0
4
0
1
80.0
880.1
255.0
1135.1
View list
4
206077390
Manto, M (Martha)
4
2.0
2
0
2
50.0
1021.3
0.0
1021.3
View list
5
106087235
Du Preez, D (Dillon)
3
2.0
1
2
0
66.7
1270.5
141.7
1412.1
View list
6
104056717
Schutte, A (Anro)
3
2.0
1
2
0
66.7
1048.1
141.7
1189.7
View list
7
1050132832
Whall, L (Lee)
3
1.5
1
1
1
50.0
1273.2
0.0
1273.2
View list
8
105017614
Leibrandt, RR (Romano)
3
1.0
1
0
2
33.3
1029.2
-141.7
887.5
View list
9
105070868
Moggee, LR (Le Roux)
3
1.0
1
0
2
33.3
850.6
-141.7
708.9
View list
10
105049055
Kettledas, JT (Joshua)
3
0.0
0
0
3
0.0
964.3
-425.0
539.3
View list
11
104054232
Dantu, BC (Brad Cole)
2
2.0
2
0
0
100.0
893.6
425.0
1318.7
View list
12
1040111111
Mclean, Q (Quewan)
2
1.0
1
0
1
50.0
1043.0
0.0
1043.0
View list
13
1060099220
Singwani, T (Thabang Musa)
2
1.0
1
0
1
50.0
945.0
0.0
945.0
View list
14
2060116519
Tendayi, M (Marvel)
2
1.0
1
0
1
50.0
1287.8
0.0
1287.8
View list
15
109087219
Crone, C (Callan)
2
0.5
0
1
1
25.0
1156.0
-212.5
943.5
View list
16
104087654
Heystek, H (Hardus)
2
0.5
0
1
1
25.0
1045.3
-212.5
832.8
View list
17
104001647
Beecroft, J (Jett)
2
0.0
0
0
2
0.0
1041.3
-425.0
616.3
View list
18
104002718
Bosch, MD (Michael)
2
0.0
0
0
2
0.0
1051.5
-425.0
626.5
View list
19
105057058
Kruger, MJ (Matthew)
2
0.0
0
0
2
0.0
883.1
-425.0
458.1
View list
20
104052839
Swartbooi, K (Khanya)
2
0.0
0
0
2
0.0
1072.9
-425.0
647.9
View list