Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Pretorius, WM (Willem)
Dob:
2005/01/05 (U20)
Gender:
Male
Chess SA id:
105087152
FIDE id:
Region:
Sedibeng (GSV)
Citizen:
RSA
Title(s):
Last active:
2022/08/26 (633 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
1193.5
Curent Weighted rating
1193.4
Curent Weighted performance
784.3
Current official/published rating (highest between Raw, WR and WP)
1193.5
Current floor (min rating allowed)
753.7
Current highest rating achieved
1253.7
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)
±167.4
Current Raw change used (final)
0.0
Projected new Raw rating
1193.5
Projected new Weighed rating
1193.5
Projected new Weighted performance
784.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1193.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1253.7
Projected new floor
753.7
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
1192.9
Curent Weighted rating
1192.8
Curent Weighted performance
786.8
Current official/published rating (highest between Raw, WR and WP)
1192.9
Current floor (min rating allowed)
756.2
Current highest rating achieved
1256.2
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)
±167.5
Current Raw change used (final)
0.0
Projected new Raw rating
1192.9
Projected new Weighed rating
1192.9
Projected new Weighted performance
786.8
Projected new official/published rating (highest between new Raw, new WR and new WP)
1192.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1256.2
Projected new floor
756.2
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
679.7
Curent Weighted rating
668.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
679.7
Current floor (min rating allowed)
500.0
Current highest rating achieved
679.7
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)
±348.0
Current Raw change used (final)
0.0
Projected new Raw rating
679.7
Projected new Weighed rating
669.8
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
679.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
679.7
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
662.4
Curent Weighted rating
662.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
662.4
Current floor (min rating allowed)
500.0
Current highest rating achieved
662.4
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)
±356.7
Current Raw change used (final)
0.0
Projected new Raw rating
662.4
Projected new Weighed rating
662.4
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
662.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
662.4
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
25
2022 Gauteng Schools Team Championships (U17 Open)
2022/08/26
2022/08/26
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1183.9
1178.9
Analysis
24
Lux Deo NG Kerk Chess Open 2022 (A+B)
2022/04/09
2022/04/09
Sedibeng (GSV)
Standard
61
0.83
5
5
2.0
1182.1
1176.0
Analysis
23
Carel`s Open 2020 (B)
2020/02/29
2020/02/29
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1168.1
1159.1
Analysis
22
2019 South African Junior Team Championships (U16D)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
4.0
1128.1
1114.5
Analysis
21
Eagles Open 2019 (B)
2019/11/23
2019/11/23
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1112.0
1094.0
Analysis
20
Sedibeng DF Malherbe Open 2019 (B)
2019/10/12
2019/10/12
Sedibeng (GSV)
Standard
60
0.83
5
5
2.0
1109.6
1089.0
Analysis
18
2019 Gauteng School League Finals (U17 Open)
2019/08/24
2019/08/24
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1204.0
1197.7
Analysis
19
2019 Gauteng School League Finals (U17 Open)
2019/08/24
2019/08/24
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1204.0
1197.7
Analysis
17
Vaal Chess Club Open 2019 (B)
2019/06/01
2019/06/01
Sedibeng (GSV)
Standard
61
0.83
5
5
3.5
1170.9
1160.6
Analysis
16
Amigo Spur Eligwa Chess Open 2019 (B)
2019/05/18
2019/05/18
Sedibeng (GSV)
Standard
61
0.83
5
5
3.0
1176.9
1168.2
Analysis
15
Dirk de Koster Chess Open 2019 (B)
2019/04/13
2019/04/13
Sedibeng (GSV)
Standard
61
0.83
5
5
3.0
1141.6
1133.3
Analysis
14
Carels Open 2019 (B)
2019/03/02
2019/03/02
Sedibeng (GSV)
Standard
61
0.83
5
5
3.5
1136.8
1125.8
Analysis
13
AG Visser Skaak Ope 2019 (B)
2019/02/23
2019/02/23
Sedibeng (GSV)
Standard
61
0.83
5
5
4.5
1081.5
1056.7
Analysis
12
South African Junior Team Championships 2018 (U14E)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
5
4.0
1084.0
1060.3
Analysis
11
2018 Tshwane Inter Region (U14C)
2018/12/01
2018/12/01
Cape Town (WCT)
Standard
60
0.83
5
5
2.0
1084.0
1060.3
Analysis
10
2018 Sedibeng Summer Open (D)
2018/10/20
2018/10/20
Sedibeng (GSV)
Standard
60
0.83
5
5
1.0
1203.8
1199.3
Analysis
9
Fonteine Open 2018 (B)
2018/10/13
2018/10/13
Sedibeng (GSV)
Standard
61
0.83
5
5
2.0
1203.8
1199.3
Analysis
8
2018 Gauteng League Final (U13)
2018/08/24
2018/08/24
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1253.7
1256.2
Analysis
7
D8 Team League 2018 (U13)
2018/07/28
2018/07/28
Sedibeng (GSV)
Standard
61
0.83
5
4
4.0
959.2
962.1
Analysis
6
TST-MSA Tournament 2018 (C)
2018/07/21
2018/07/21
Sedibeng (GSV)
Standard
61
0.83
5
5
3.5
959.2
962.1
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
125
65
7
53
68.5
54.8
40.8
1065.4
1106.2
White
63
33
3
27
34.5
54.8
40.5
1053.1
1093.5
Black
62
32
4
26
34.0
54.8
41.1
1078.0
1119.1
Standard
All
125
65
7
53
68.5
54.8
40.8
1065.4
1106.2
White
63
33
3
27
34.5
54.8
40.5
1053.1
1093.5
Black
62
32
4
26
34.0
54.8
41.1
1078.0
1119.1
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
1050108488
Nxumalo, S (Siyabonga)
3
2.5
2
1
0
83.3
1132.8
283.3
1416.2
View list
2
1050108495
Munyai, P (Phumudzo)
2
2.0
2
0
0
100.0
1125.6
425.0
1550.6
View list
3
105044684
Nel, A (Altus)
2
2.0
2
0
0
100.0
1020.4
425.0
1445.3
View list
4
206066092
Van Zyl, I (Ilane)
2
2.0
2
0
0
100.0
1173.9
425.0
1598.9
View list
5
101095340
Ledwaba, T (Thabang)
2
1.5
1
1
0
75.0
1170.3
212.5
1382.8
View list
6
105052263
Rossouw, R (Rohan)
2
1.5
1
1
0
75.0
849.6
212.5
1062.1
View list
7
206091403
Visser, TM (Tracy)
2
1.5
1
1
0
75.0
955.5
212.5
1168.0
View list
8
106053294
Fritz, GPJ (Georg)
2
1.0
1
0
1
50.0
1167.6
0.0
1167.6
View list
9
1050108484
Bholo, SV (Sicelo Vuyo)
2
1.0
1
0
1
50.0
1140.0
0.0
1140.0
View list
10
1090097407
Karsten, K (Keagan)
2
1.0
1
0
1
50.0
1095.5
0.0
1095.5
View list
11
103075208
Mokhotsoa, KR (Kamohelo)
2
1.0
1
0
1
50.0
1152.4
0.0
1152.4
View list
12
1030108497
Munyai, N (Neo)
2
1.0
1
0
1
50.0
1159.3
0.0
1159.3
View list
13
107086032
Naude, E (Enrique)
2
1.0
1
0
1
50.0
965.2
0.0
965.2
View list
14
106044677
De Villiers, LJ (Louis)
2
0.5
0
1
1
25.0
1142.7
-212.5
930.2
View list
15
109091420
Vermeulen, A (Anrich)
2
0.5
0
1
1
25.0
924.8
-212.5
712.3
View list
16
105087158
Lamont, M (Michael)
2
0.0
0
0
2
0.0
1203.8
-425.0
778.8
View list
17
202077097
Chani, N (Naomi)
1
1.0
1
0
0
100.0
1112.0
425.0
1537.0
View list
18
205069709
Bothma, I (Isabella)
1
1.0
1
0
0
100.0
662.4
425.0
1087.4
View list
19
108092345
Dreyer, NJ (Nicolaas)
1
1.0
1
0
0
100.0
1084.0
425.0
1509.0
View list
20
105069286
Dludlu, NS (Nkululeko)
1
1.0
1
0
0
100.0
745.3
425.0
1170.3
View list