Chess South Africa
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Chess South Africa
Rosenberg, Z (Zachary)
Dob:
2008/01/25 (U18)
Gender:
Male
Chess SA id:
108069276
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2019/09/22 (1699 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
1220.8
Curent Weighted rating
1220.8
Curent Weighted performance
474.7
Current official/published rating (highest between Raw, WR and WP)
1220.8
Current floor (min rating allowed)
777.5
Current highest rating achieved
1277.5
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)
±161.0
Current Raw change used (final)
0.0
Projected new Raw rating
1220.8
Projected new Weighed rating
1220.8
Projected new Weighted performance
474.7
Projected new official/published rating (highest between new Raw, new WR and new WP)
1220.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1277.5
Projected new floor
777.5
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
1199.2
Curent Weighted rating
1199.2
Curent Weighted performance
468.8
Current official/published rating (highest between Raw, WR and WP)
1199.2
Current floor (min rating allowed)
765.1
Current highest rating achieved
1265.1
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)
±166.0
Current Raw change used (final)
0.0
Projected new Raw rating
1199.2
Projected new Weighed rating
1199.2
Projected new Weighted performance
468.8
Projected new official/published rating (highest between new Raw, new WR and new WP)
1199.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1265.1
Projected new floor
765.1
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
756.8
Curent Weighted rating
756.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
756.8
Current floor (min rating allowed)
500.0
Current highest rating achieved
756.8
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)
±311.8
Current Raw change used (final)
0.0
Projected new Raw rating
756.8
Projected new Weighed rating
756.8
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
756.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
756.8
Projected new floor
500.0
Projected new K-facor
40
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
756.8
Curent Weighted rating
756.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
756.8
Current floor (min rating allowed)
500.0
Current highest rating achieved
756.8
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)
±311.8
Current Raw change used (final)
0.0
Projected new Raw rating
756.8
Projected new Weighed rating
756.8
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
756.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
756.8
Projected new floor
500.0
Projected new K-facor
40
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
11
2019 Western Cape Closed Chess Championships (D)
2019/09/21
2019/09/22
Cape Winelands (WCW)
Standard
70
0.87
6
6
3.0
1243.4
1225.1
Analysis
10
Curro Durbanville Chess Tournament 2019 (Premier)
2019/08/23
2019/08/24
Cape Town (WCT)
Standard
60
0.83
6
6
3.0
1277.5
1265.1
Analysis
9
Stellenberg Youth Chess Championship 2019 (D)
2019/05/01
2019/05/01
Cape Town (WCT)
Standard
60
0.83
5
5
4.0
1204.2
1206.6
Analysis
8
Metro School Chess Closed Individual Trials 2019 (U11 Boys)
2019/03/01
2019/03/02
Cape Town (WCT)
Standard
60
0.83
6
6
3.0
1203.0
1203.7
Analysis
7
2019 Central District Schools Trials (U11)
2019/02/01
2019/02/02
Cape Town (WCT)
Standard
60
0.83
6
5
3.0
1166.1
1162.1
Analysis
6
Paul Roos Open Championship 2018 (C)
2018/09/22
2018/09/23
Cape Winelands (WCW)
Standard
70
0.87
6
6
4.0
1130.3
1120.9
Analysis
5
Stellenberg Youth Chess Champs 2018 (C)
2018/06/22
2018/06/23
Cape Town (WCT)
Standard
60
0.83
6
6
4.0
1003.5
1026.4
Analysis
4
Western Cape Schools Individuals 2018 (U11 Boys)
2018/05/19
2018/05/20
Overberg (WOS)
Standard
60
0.83
6
6
3.0
948.1
972.4
Analysis
3
2018 WP Schools Closed Trials (U11 Boys)
2018/03/09
2018/03/10
Cape Town (WCT)
Standard
60
0.83
6
6
4.0
890.3
909.6
Analysis
2
2018 Central District Trials (U11)
2018/02/02
2018/02/03
Cape Town (WCT)
Standard
60
0.83
6
6
4.0
796.0
796.0
Analysis
1
South African Junior Team Championships 2017 (U10B)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
6
4.5
756.8
756.8
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
64
39
1
24
39.5
61.7
99.6
1088.4
1188.1
White
32
22
0
10
22.0
68.8
159.4
1068.8
1228.1
Black
32
17
1
14
17.5
54.7
39.8
1108.1
1148.0
Standard
All
64
39
1
24
39.5
61.7
99.6
1088.4
1188.1
White
32
22
0
10
22.0
68.8
159.4
1068.8
1228.1
Black
32
17
1
14
17.5
54.7
39.8
1108.1
1148.0
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
108087010
Viljoen, W (Wynand)
2
2.0
2
0
0
100.0
1260.5
425.0
1685.5
View list
2
108091526
Lau, C (Callum)
2
1.0
1
0
1
50.0
1203.6
0.0
1203.6
View list
3
108061372
Baruch, L (Liam)
2
0.0
0
0
2
0.0
981.0
-425.0
556.0
View list
4
109086201
Hattingh, E (Eckhard)
1
1.0
1
0
0
100.0
756.8
425.0
1181.8
View list
5
1090108384
Hashim, E (Eesa)
1
1.0
1
0
0
100.0
1166.1
425.0
1591.1
View list
6
104082184
Kleynhans, T (Teon)
1
1.0
1
0
0
100.0
1003.5
425.0
1428.5
View list
7
107093481
Chen, P (Po-Hao)
1
1.0
1
0
0
100.0
890.3
425.0
1315.3
View list
8
108084451
Cronje, NM (Nicolaas Mattheus)
1
1.0
1
0
0
100.0
756.8
425.0
1181.8
View list
9
1080108388
Appoles, R (Rayaan)
1
1.0
1
0
0
100.0
1166.1
425.0
1591.1
View list
10
204073350
Adams, A (Atiyyah)
1
1.0
1
0
0
100.0
1243.4
425.0
1668.4
View list
11
2100103576
Lackay, L (Leane)
1
1.0
1
0
0
100.0
1130.3
425.0
1555.3
View list
12
286088260
Lange, C (Candice)
1
1.0
1
0
0
100.0
1130.3
425.0
1555.3
View list
13
107085509
Li, T (Traynor)
1
1.0
1
0
0
100.0
1204.2
425.0
1629.2
View list
14
104072643
Madolo, S (Siyolise)
1
1.0
1
0
0
100.0
1130.3
425.0
1555.3
View list
15
1000099743
Maroem, D (Dyran)
1
1.0
1
0
0
100.0
948.1
425.0
1373.1
View list
16
107094988
Matthews, L (Luke)
1
1.0
1
0
0
100.0
796.0
425.0
1221.0
View list
17
1070096086
Millar, R (Ryan)
1
1.0
1
0
0
100.0
796.0
425.0
1221.0
View list
18
108087015
Nieuwoudt, H (Hein)
1
1.0
1
0
0
100.0
1203.0
425.0
1628.0
View list
19
210088278
Nieuwoudt, N (Noreht)
1
1.0
1
0
0
100.0
1003.5
425.0
1428.5
View list
20
1070096372
October, N (Nathaan)
1
1.0
1
0
0
100.0
890.3
425.0
1315.3
View list