Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Roos, Z (Zandre)
Dob:
2008/04/01 (U18)
Gender:
Male
Chess SA id:
1080117546
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2020/02/22 (1764 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
1164.0
Current Weighted rating
1164.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1164.0
Current highest rating achieved
1181.3
Current floor (min rating allowed)
681.3
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)
±174.5
Current Raw change used (final)
0.0
Projected new Raw rating
1164.0
Projected new Weighed rating
1070.9
Projected new Weighted performance
105.2
Projected new final Raw rating (if new WP > new Raw)
1164.0
Projected new highest rating
1181.3
Projected new floor
681.3
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1164.0
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
1178.4
Current Weighted rating
1178.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1178.4
Current highest rating achieved
1178.4
Current floor (min rating allowed)
678.4
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)
±171.0
Current Raw change used (final)
0.0
Projected new Raw rating
1178.4
Projected new Weighed rating
1084.1
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1178.4
Projected new floor
678.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1178.4
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
1159.2
Current Weighted rating
1159.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1159.2
Current highest rating achieved
1159.2
Current floor (min rating allowed)
659.2
Current K-factor
40
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)
±175.7
Current Raw change used (final)
0.0
Projected new Raw rating
1159.2
Projected new Weighed rating
1066.5
Projected new Weighted performance
110.7
Projected new final Raw rating (if new WP > new Raw)
1159.2
Projected new highest rating
1159.2
Projected new floor
659.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1159.2
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
2
Onder Weskus Prestige 2020 (U13 Boys)
2020/02/15
2020/02/22
West Coast (WCU)
Standard
60
0.83
6
1
0.0
1181.3
1200.0
Analysis
1
Weskus Topskole 2019 (U13)
2019/07/20
2019/07/20
West Coast (WCU)
Rapid
30
0.60
5
4
2.0
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
9
4
0
5
4.0
44.4
-47.2
1051.5
1004.3
White
5
2
0
3
2.0
40.0
-85.0
1200.0
1115.0
Black
4
2
0
2
2.0
50.0
0.0
865.8
865.8
Standard
All
1
0
0
1
0.0
0.0
-425.0
1200.0
775.0
White
1
0
0
1
0.0
0.0
-425.0
1200.0
775.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Rapid
All
8
4
0
4
4.0
50.0
0.0
1032.9
1032.9
White
4
2
0
2
2.0
50.0
0.0
1200.0
1200.0
Black
4
2
0
2
2.0
50.0
0.0
865.8
865.8
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
2080099664
Lawrence, J (Jedidah)
2
2.0
2
0
0
100.0
1200.0
425.0
1625.0
View list
2
1060110179
Lackay, R (Rucian)
2
2.0
2
0
0
100.0
1200.0
425.0
1625.0
View list
3
1080117545
Karolus, J (Jade)
2
0.0
0
0
2
0.0
1200.0
-425.0
775.0
View list
4
106077632
Visser, J (Jp)
2
0.0
0
0
2
0.0
1200.0
-425.0
775.0
View list
5
1070131724
Van Rensburg, C (Corne Janse)
1
0.0
0
0
1
0.0
1181.3
-425.0
756.3
View list
