Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Petzer, W (Wilhelm)
Dob:
2014/05/15 (U12)
Gender:
Male
Chess SA id:
1140135771
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/04/27 (57 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
Current Raw rating
1155.6
Current Weighted rating
1213.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1213.7
Current highest rating achieved
1226.4
Current floor (min rating allowed)
726.4
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)
±176.6
Current Raw change used (final)
0.0
Projected new Raw rating
1155.6
Projected new Weighed rating
1116.2
Projected new Weighted performance
891.4
Projected new final Raw rating (if new WP > new Raw)
1155.6
Projected new highest rating
1226.4
Projected new floor
726.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1155.6
Projected effective change (new Official - current Official)
-58.1
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
Current Raw rating
1143.3
Current Weighted rating
1214.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1214.4
Current highest rating achieved
1230.0
Current floor (min rating allowed)
730.0
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)
±179.8
Current Raw change used (final)
0.0
Projected new Raw rating
1143.3
Projected new Weighed rating
1116.8
Projected new Weighted performance
891.4
Projected new final Raw rating (if new WP > new Raw)
1143.3
Projected new highest rating
1230.0
Projected new floor
730.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1143.3
Projected effective change (new Official - current Official)
-71.1
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
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
s
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
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
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
2
2024 Milos Ristic Open Chess Tournament (B)
2024/04/27
2024/04/27
Tshwane (GTP)
Standard
60
0.83
5
4
0.0
1213.6
1212.4
Analysis
1
2024 Wynie Robbertse Chess Tournament (D2)
2024/03/02
2024/03/02
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1226.4
1230.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
4
2024 Milos Ristic Open Chess Tournament (B)
2024/04/27
2024/04/27
Tshwane (GTP)
Standard
60
0.83
5
4
0.0
1213.6
1212.4
Analysis
3
2024 Wynie Robbertse Chess Tournament (D2)
2024/03/02
2024/03/02
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1226.4
1230.0
Analysis
2
Laerskool Constantiapark Open Chess Tournament 2023 (U10)
2023/02/18
2023/02/18
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1218.9
1222.4
Analysis
1
2021 Lardies Ope (F)
2021/10/30
2021/10/30
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
9
2
0
7
2.0
22.2
-236.1
1245.2
1009.1
White
6
1
0
5
1.0
16.7
-283.3
1275.1
991.7
Black
3
1
0
2
1.0
33.3
-141.7
1185.5
1043.8
Standard
All
9
2
0
7
2.0
22.2
-236.1
1245.2
1009.1
White
6
1
0
5
1.0
16.7
-283.3
1275.1
991.7
Black
3
1
0
2
1.0
33.3
-141.7
1185.5
1043.8
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
19
8
0
11
8.0
42.1
-67.1
1218.2
1151.1
White
11
4
0
7
4.0
36.4
-115.9
1232.4
1116.5
Black
8
4
0
4
4.0
50.0
0.0
1198.6
1198.6
Standard
All
19
8
0
11
8.0
42.1
-67.1
1218.2
1151.1
White
11
4
0
7
4.0
36.4
-115.9
1232.4
1116.5
Black
8
4
0
4
4.0
50.0
0.0
1198.6
1198.6
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
1140134633
Van Der Merwe, A (Aiden Joshua)
2
0.0
0
0
2
0.0
1209.5
-425.0
784.5
View list
2
1140135761
Fourie, P (Pieter)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1140134057
Erwee, HP (Hermanus Philipus)
1
1.0
1
0
0
100.0
1226.4
425.0
1651.4
View list
4
1150147656
Breytenbach, E (Ewan)
1
1.0
1
0
0
100.0
1218.9
425.0
1643.9
View list
5
2150143025
Haupt, N (Nia)
1
1.0
1
0
0
100.0
1218.9
425.0
1643.9
View list
6
2140135766
Mulamattathil, R (Raynah)
1
1.0
1
0
0
100.0
1218.9
425.0
1643.9
View list
7
1140156027
Mamphweli, T (Tshedza)
1
1.0
1
0
0
100.0
1226.4
425.0
1651.4
View list
8
2140135763
Jooste, M (Milanke)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
9
1140135755
Botha, D (Dante)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
10
2130148666
Westermann, L (Liezl)
1
0.0
0
0
1
0.0
1226.4
-425.0
801.4
View list
11
2140135773
Raath, E (Emma)
1
0.0
0
0
1
0.0
1218.9
-425.0
793.9
View list
12
2120143693
Prakash, M (Maisha)
1
0.0
0
0
1
0.0
1213.6
-425.0
788.6
View list
13
1110157436
Hlatshwayo, Q (Qhawe)
1
0.0
0
0
1
0.0
1226.4
-425.0
801.4
View list
14
2120146793
Goel, R (Rajita)
1
0.0
0
0
1
0.0
1213.6
-425.0
788.6
View list
15
1130134041
Botha, L (Logan)
1
0.0
0
0
1
0.0
1226.4
-425.0
801.4
View list
16
1140134429
Botha, G (Gregory)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
17
1110160684
Erasmus, M (Max)
1
0.0
0
0
1
0.0
1213.6
-425.0
788.6
View list
18
1050105745
Coetzee, CF (Christiaan Frederik)
1
0.0
0
0
1
0.0
1213.6
-425.0
788.6
View list