Chess South Africa
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Chess South Africa
De Velliers, Z (Zach)
Dob:
2013/06/18 (U12)
Gender:
Male
Chess SA id:
1130300171
FIDE id:
Region:
Chess South Africa (CSA)
Citizen:
RSA
Title(s):
Last active:
2024/03/02 (266 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
1183.4
Current Weighted rating
1190.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1190.9
Current highest rating achieved
1183.4
Current floor (min rating allowed)
683.4
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)
±169.8
Current Raw change used (final)
0.0
Projected new Raw rating
1183.4
Projected new Weighed rating
1095.4
Projected new Weighted performance
309.7
Projected new final Raw rating (if new WP > new Raw)
1183.4
Projected new highest rating
1183.4
Projected new floor
683.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1183.4
Projected effective change (new Official - current Official)
-7.5
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
0.0
Current floor (min rating allowed)
700.0
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)
±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
0.0
Projected new floor
700.0
Projected new K-facor
40
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
1159.6
Current Weighted rating
1177.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1177.9
Current highest rating achieved
1159.6
Current floor (min rating allowed)
659.6
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)
±175.6
Current Raw change used (final)
0.0
Projected new Raw rating
1159.6
Projected new Weighed rating
1083.0
Projected new Weighted performance
326.0
Projected new final Raw rating (if new WP > new Raw)
1159.6
Projected new highest rating
1159.6
Projected new floor
659.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1159.6
Projected effective change (new Official - current Official)
-18.3
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
0.0
Current floor (min rating allowed)
700.0
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)
±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
0.0
Projected new floor
700.0
Projected new K-facor
40
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
1
2024 Frances Baard Schools Teams (Primary School)
2024/03/02
2024/03/02
Frances Baard (NCF)
Rapid
30
0.60
5
5
1.5
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
1
2024 Frances Baard Schools Teams (Primary School)
2024/03/02
2024/03/02
Frances Baard (NCF)
Rapid
30
0.60
5
5
1.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
1
1
3
1.5
30.0
-170.0
1245.9
1075.9
White
2
1
0
1
1.0
50.0
0.0
1300.3
1300.3
Black
3
0
1
2
0.5
16.7
-283.3
1209.6
926.3
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
5
1
1
3
1.5
30.0
-170.0
1245.9
1075.9
White
2
1
0
1
1.0
50.0
0.0
1300.3
1300.3
Black
3
0
1
2
0.5
16.7
-283.3
1209.6
926.3
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
5
1
1
3
1.5
30.0
-170.0
1245.9
1075.9
White
2
1
0
1
1.0
50.0
0.0
1300.3
1300.3
Black
3
0
1
2
0.5
16.7
-283.3
1209.6
926.3
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
5
1
1
3
1.5
30.0
-170.0
1245.9
1075.9
White
2
1
0
1
1.0
50.0
0.0
1300.3
1300.3
Black
3
0
1
2
0.5
16.7
-283.3
1209.6
926.3
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
1120135342
Anderson, J (James)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1130300175
Mothabeng, K (Kutlwano)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
3
1150192377
Mabaso, A (Angus)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
4
2110300172
Karsten, M (Mia)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
212092858
Ahjum, AXE (Annabelle)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
