Chess South Africa
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Chess South Africa
Ross, Z (Zayrah)
Dob:
2014/04/09 (U12)
Gender:
Male
Chess SA id:
1140146478
FIDE id:
Region:
John Taolo Gaetswewe (NCJ)
Citizen:
RSA
Title(s):
Last active:
2023/05/20 (407 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
1233.0
Current Weighted rating
1227.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1233.0
Current highest rating achieved
1233.0
Current floor (min rating allowed)
733.0
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)
±158.2
Current Raw change used (final)
0.0
Projected new Raw rating
1233.0
Projected new Weighed rating
1130.1
Projected new Weighted performance
855.0
Projected new final Raw rating (if new WP > new Raw)
1233.0
Projected new highest rating
1233.0
Projected new floor
733.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1233.0
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
1236.8
Current Weighted rating
1230.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1236.8
Current highest rating achieved
1236.8
Current floor (min rating allowed)
736.8
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)
±157.3
Current Raw change used (final)
0.0
Projected new Raw rating
1236.8
Projected new Weighed rating
1133.1
Projected new Weighted performance
855.0
Projected new final Raw rating (if new WP > new Raw)
1236.8
Projected new highest rating
1236.8
Projected new floor
736.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1236.8
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
Inter Regional Chess Championship 2023 (U10)
2023/05/19
2023/05/20
Mangaung (FMB)
Standard
62
0.84
5
5
3.0
1218.5
1221.3
Analysis
2
Lejweleputswa 3rd Qualifieng Tournament 2023 (E)
2023/04/21
2023/04/21
Lejweleputswa (FLW)
Standard
63
0.84
5
5
3.0
1201.3
1200.8
Analysis
1
Pixley Chess Trials 2022 (U10)
2022/09/03
2022/09/03
Pixley-ka-Seme (NCP)
Standard
62
0.84
5
5
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
7
3
5
8.5
56.7
56.7
1213.7
1270.4
White
8
3
1
4
3.5
43.8
-53.1
1216.8
1163.7
Black
7
4
2
1
5.0
71.4
182.1
1210.2
1392.3
Standard
All
15
7
3
5
8.5
56.7
56.7
1213.7
1270.4
White
8
3
1
4
3.5
43.8
-53.1
1216.8
1163.7
Black
7
4
2
1
5.0
71.4
182.1
1210.2
1392.3
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
1130153951
Van Wyk, G (Gert)
1
1.0
1
0
0
100.0
1201.3
425.0
1626.3
View list
2
2130153949
Sithole, E (Ellen)
1
1.0
1
0
0
100.0
1201.3
425.0
1626.3
View list
3
2150140888
Murphy, M (Melinke Frances-Laine)
1
1.0
1
0
0
100.0
1218.5
425.0
1643.5
View list
4
1140154830
Mqakelana, I (Iminathi)
1
1.0
1
0
0
100.0
1218.5
425.0
1643.5
View list
5
2150147000
Mokoena, N (Naledientle)
1
1.0
1
0
0
100.0
1218.5
425.0
1643.5
View list
6
1130153947
Khoele, M (Mohau)
1
1.0
1
0
0
100.0
1201.3
425.0
1626.3
View list
7
1130146476
Green, M (Melanique)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
1140146475
De Noon, S (Stian Johanco)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
9
1130134185
Olivier, D (Delene)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
10
1140146479
Van Zyl, F (Frederick)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
11
1140134191
Vermeulen, P (Petrus Van Der Walt)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
12
1120139354
Ravhura, L (Lufuno)
1
0.0
0
0
1
0.0
1201.3
-425.0
776.3
View list
13
1140132585
Murphy, S (Saul)
1
0.0
0
0
1
0.0
1218.5
-425.0
793.5
View list
14
1140130044
Boje, E (Erich)
1
0.0
0
0
1
0.0
1218.5
-425.0
793.5
View list
15
1140143832
Du Plessis, J (Johandre Jan-Phillip)
1
0.0
0
0
1
0.0
1201.3
-425.0
776.3
View list