Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Pretorius, Z (Zian)
Dob:
2010/02/01 (U16)
Gender:
Male
Chess SA id:
1100101000
FIDE id:
Region:
West Rand (GWR)
Citizen:
RSA
Title(s):
Last active:
2019/08/03 (1939 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
1095.1
Current Weighted rating
1095.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1095.1
Current highest rating achieved
1114.7
Current floor (min rating allowed)
614.7
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)
±192.5
Current Raw change used (final)
0.0
Projected new Raw rating
1095.1
Projected new Weighed rating
1007.5
Projected new Weighted performance
192.8
Projected new final Raw rating (if new WP > new Raw)
1095.1
Projected new highest rating
1114.7
Projected new floor
614.7
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1095.1
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
1076.4
Current Weighted rating
1076.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1076.4
Current highest rating achieved
1097.2
Current floor (min rating allowed)
597.2
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)
±197.7
Current Raw change used (final)
0.0
Projected new Raw rating
1076.4
Projected new Weighed rating
990.3
Projected new Weighted performance
192.8
Projected new final Raw rating (if new WP > new Raw)
1076.4
Projected new highest rating
1097.2
Projected new floor
597.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1076.4
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
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.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
3
D2 League Finals 2019 (U9)
2019/08/03
2019/08/03
West Rand (GWR)
Standard
60
0.83
5
4
1.0
1114.7
1097.2
Analysis
2
D2 Schools Individuals 2018 (U9 Open)
2018/05/19
2018/05/19
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.0
1200.0
1200.0
Analysis
1
Merafong Schools Individuals 2018 (U9 Boys)
2018/05/05
2018/05/05
Johannesburg Metro (GJM)
Standard
60
0.83
7
6
2.5
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
15
4
1
10
4.5
30.0
-170.0
1156.7
986.7
White
7
3
1
3
3.5
50.0
0.0
1201.7
1201.7
Black
8
1
0
7
1.0
12.5
-318.8
1117.3
798.5
Standard
All
15
4
1
10
4.5
30.0
-170.0
1156.7
986.7
White
7
3
1
3
3.5
50.0
0.0
1201.7
1201.7
Black
8
1
0
7
1.0
12.5
-318.8
1117.3
798.5
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
1110101003
De Wee , T (Trezeguet)
2
2.0
2
0
0
100.0
1200.0
425.0
1625.0
View list
2
2110112193
Phikisa, T (Thulisile)
1
1.0
1
0
0
100.0
1114.7
425.0
1539.7
View list
3
1090101002
Tshatsheka, J (Junior)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
110093921
Rankin, CD (Conrad Dawid)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
5
1110101001
Tucker, M (Marcell)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
110092910
Saaiman, HF (Henri)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
7
131006316
De Bruin, HFJ (Hendrik)
1
0.0
0
0
1
0.0
1114.7
-425.0
689.7
View list
8
1110117333
Bouwer, GD (Gert Daniel)
1
0.0
0
0
1
0.0
1114.7
-425.0
689.7
View list
9
109091331
Nolan, CB (Christiaan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
1090102537
Mohlomi, L (Lesego)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
11
1100101004
Mbesi, S (Samkelo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
12
1100113572
Lombaard, M (Michael)
1
0.0
0
0
1
0.0
1114.7
-425.0
689.7
View list
13
1090102536
Joubert, T (Tjj)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
14
1090101015
Jansen Van Rensburg, S (Stefan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list