Chess South Africa
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Chess South Africa
Robbetze, Z (Zamian)
Dob:
2008/09/05 (U18)
Gender:
Male
Chess SA id:
1080135404
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2024/03/02 (72 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
Curent Raw rating
1192.6
Curent Weighted rating
1222.4
Curent Weighted performance
991.2
Current official/published rating (highest between Raw, WR and WP)
1222.4
Current floor (min rating allowed)
757.8
Current highest rating achieved
1257.8
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)
±167.6
Current Raw change used (final)
0.0
Projected new Raw rating
1192.6
Projected new Weighed rating
1219.4
Projected new Weighted performance
991.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1219.4
Projected effective change (new Official - current Official)
-3.0
Projected new highest rating
1257.8
Projected new floor
757.8
Projected new K-facor
36
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
Curent Raw rating
1207.5
Curent Weighted rating
1227.8
Curent Weighted performance
995.8
Current official/published rating (highest between Raw, WR and WP)
1227.8
Current floor (min rating allowed)
771.6
Current highest rating achieved
1271.6
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)
±164.1
Current Raw change used (final)
0.0
Projected new Raw rating
1207.5
Projected new Weighed rating
1225.5
Projected new Weighted performance
995.8
Projected new official/published rating (highest between new Raw, new WR and new WP)
1225.5
Projected effective change (new Official - current Official)
-2.3
Projected new highest rating
1271.6
Projected new floor
771.6
Projected new K-facor
36
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
Curent Raw rating
1164.0
Curent Weighted rating
1194.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1194.4
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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)
±174.5
Current Raw change used (final)
0.0
Projected new Raw rating
1164.0
Projected new Weighed rating
1191.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1191.7
Projected effective change (new Official - current Official)
-2.6
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
Curent Raw rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Kempton Park Cluster Individuals 2024 (U18 Boys)
2024/03/02
2024/03/02
Ekurhuleni (GE)
Rapid
30
0.60
5
4
1.0
1209.4
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
7
Kempton Park Cluster Individuals 2024 (U18 Boys)
2024/03/02
2024/03/02
Ekurhuleni (GE)
Rapid
30
0.60
5
4
1.0
1209.4
1200.0
Analysis
6
2023 Gauteng Top Schools (U15 Mixed)
2023/08/19
2023/08/19
West Rand (GWR)
Standard
60
0.83
5
5
1.5
1254.8
1265.5
Analysis
5
Ekhuruleni Chess Trials 1 2023 (U16)
2023/03/25
2023/03/25
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1257.8
1271.6
Analysis
4
2022 Gauteng Schools Team Championships (U15 Open)
2022/08/26
2022/08/26
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1186.1
1183.0
Analysis
3
Ekurhuleni-North Schools Teams 2022 (U15)
2022/08/13
2022/08/13
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1186.1
1183.0
Analysis
2
Ekurhuleni-North Schools Finals Indiv 2022 (U15 Boys)
2022/05/14
2022/05/14
Ekurhuleni (GE)
Standard
60
0.83
5
5
1.5
1216.6
1220.4
Analysis
1
Ekurhuleni North Schools District Finals 2021 (U13 Boys)
2021/09/11
2021/09/11
Ekurhuleni (GE)
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
4
1
0
3
1.0
25.0
-212.5
1255.9
1043.4
White
2
0
0
2
0.0
0.0
-425.0
1176.5
751.5
Black
2
1
0
1
1.0
50.0
0.0
1335.2
1335.2
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
4
1
0
3
1.0
25.0
-212.5
1255.9
1043.4
White
2
0
0
2
0.0
0.0
-425.0
1176.5
751.5
Black
2
1
0
1
1.0
50.0
0.0
1335.2
1335.2
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
34
15
3
16
16.5
48.5
-12.5
1214.1
1201.6
White
16
6
0
10
6.0
37.5
-106.3
1214.5
1108.2
Black
18
9
3
6
10.5
58.3
70.8
1213.8
1284.6
Standard
All
30
14
3
13
15.5
51.7
14.2
1208.5
1222.7
White
14
6
0
8
6.0
42.9
-60.7
1219.9
1159.1
Black
16
8
3
5
9.5
59.4
79.7
1198.6
1278.3
Rapid
All
4
1
0
3
1.0
25.0
-212.5
1255.9
1043.4
White
2
0
0
2
0.0
0.0
-425.0
1176.5
751.5
Black
2
1
0
1
1.0
50.0
0.0
1335.2
1335.2
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
1080134729
De Lange, Z (Zander)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1080144862
Hendricks, C (Craighan)
1
1.0
1
0
0
100.0
1186.1
425.0
1611.1
View list
3
1080142785
Fraser, D (Donald)
1
1.0
1
0
0
100.0
1216.6
425.0
1641.6
View list
4
1080101213
Kutyauripo, P (Peace)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
2070144872
Naidoo, M (Marisa)
1
1.0
1
0
0
100.0
1186.1
425.0
1611.1
View list
6
1080146007
Muleba, M (Matthew)
1
1.0
1
0
0
100.0
1186.1
425.0
1611.1
View list
7
1080145999
Mcgurk, P (Paul)
1
1.0
1
0
0
100.0
1186.1
425.0
1611.1
View list
8
1070144859
Breytenbach, J (Jandrey)
1
1.0
1
0
0
100.0
1186.1
425.0
1611.1
View list
9
2090153011
Pakkiri, S (Shamikka)
1
1.0
1
0
0
100.0
1257.8
425.0
1682.8
View list
10
2080142598
Pinhao, C (Catia)
1
1.0
1
0
0
100.0
1186.1
425.0
1611.1
View list
11
1090135402
Rees, M (Matthew Brian)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
12
1090153014
Sairai, N (Nyasha)
1
1.0
1
0
0
100.0
1257.8
425.0
1682.8
View list
13
1070301504
Selopyane, N (Nhlanhla)
1
1.0
1
0
0
100.0
1209.4
425.0
1634.4
View list
14
1080161101
Tshivule, R (Risuna)
1
1.0
1
0
0
100.0
1254.8
425.0
1679.8
View list
15
207091197
Vogel, D (Dane)
1
1.0
1
0
0
100.0
1186.1
425.0
1611.1
View list
16
1090113097
Makhubalo, OT (Olwethu Thembelihle)
1
0.5
0
1
0
50.0
1216.6
0.0
1216.6
View list
17
1080146014
Nkosi, B (Bulelani Alwande Asenathi)
1
0.5
0
1
0
50.0
1254.8
0.0
1254.8
View list
18
1080146024
Sambo, L (Loago Firtunate)
1
0.5
0
1
0
50.0
1186.1
0.0
1186.1
View list
19
1080116110
Nkoana, G (Given)
1
0.0
0
0
1
0.0
1254.8
-425.0
829.8
View list
20
1090101484
Negota, K (Khodani)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list