Chess South Africa
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Chess South Africa
Grobler, Z (Zander)
Dob:
2009/05/07 (U16)
Gender:
Male
Chess SA id:
109066919
FIDE id:
Region:
Ehlanzeni (MEN)
Citizen:
RSA
Title(s):
Last active:
2023/07/29 (294 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
1309.4
Curent Weighted rating
1301.9
Curent Weighted performance
893.4
Current official/published rating (highest between Raw, WR and WP)
1309.4
Current floor (min rating allowed)
809.4
Current highest rating achieved
1309.4
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)
±141.9
Current Raw change used (final)
0.0
Projected new Raw rating
1309.4
Projected new Weighed rating
1303.1
Projected new Weighted performance
893.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1309.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1309.4
Projected new floor
809.4
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
1332.2
Curent Weighted rating
1323.7
Curent Weighted performance
894.6
Current official/published rating (highest between Raw, WR and WP)
1332.2
Current floor (min rating allowed)
832.2
Current highest rating achieved
1332.2
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)
±137.3
Current Raw change used (final)
0.0
Projected new Raw rating
1332.2
Projected new Weighed rating
1325.1
Projected new Weighted performance
894.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1332.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1332.2
Projected new floor
832.2
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
627.2
Curent Weighted rating
627.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
627.2
Current floor (min rating allowed)
500.0
Current highest rating achieved
643.0
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)
±375.0
Current Raw change used (final)
0.0
Projected new Raw rating
627.2
Projected new Weighed rating
627.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
627.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
643.0
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
627.2
Curent Weighted rating
627.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
627.2
Current floor (min rating allowed)
500.0
Current highest rating achieved
643.0
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)
±375.0
Current Raw change used (final)
0.0
Projected new Raw rating
627.2
Projected new Weighed rating
627.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
627.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
643.0
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
19
Interhigh 2023 (U15)
2023/07/29
2023/07/29
Ehlanzeni (MEN)
Standard
63
0.84
3
2
2.0
1285.2
1304.8
Analysis
18
White River Primary 2022 (U14)
2022/07/30
2022/07/30
Ehlanzeni (MEN)
Standard
62
0.84
5
5
4.0
1238.0
1250.4
Analysis
17
Uplands Chess Tournament 2022 (U14)
2022/02/26
2022/02/26
Ehlanzeni (MEN)
Standard
62
0.84
5
5
4.0
1188.7
1191.7
Analysis
16
Bergvlam Tournament 2020 (U12)
2020/03/14
2020/03/14
Ehlanzeni (MEN)
Standard
63
0.84
5
5
3.0
1158.5
1153.5
Analysis
15
2019 South African Junior Team Championships (U12A)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
1.0
1220.1
1216.9
Analysis
14
Barberton Primary 2019 (U12)
2019/07/27
2019/07/27
Ehlanzeni (MEN)
Standard
63
0.84
5
5
4.0
1195.7
1191.7
Analysis
13
Ehlanzeni Open 2019 (C)
2019/07/20
2019/07/20
Ehlanzeni (MEN)
Standard
60
0.83
5
5
2.0
1195.7
1191.7
Analysis
12
De Goede Top 10 2019 (U12)
2019/07/03
2019/07/03
Ehlanzeni (MEN)
Standard
60
0.83
5
5
3.0
1195.7
1191.7
Analysis
11
Rob Ferreira 2019 (B)
2019/04/06
2019/04/06
Ehlanzeni (MEN)
Standard
63
0.84
5
5
3.0
1209.9
1210.1
Analysis
10
Penryn Age Open 2019 (U12)
2019/02/09
2019/02/09
Ehlanzeni (MEN)
Standard
63
0.84
5
5
4.0
1177.6
1172.1
Analysis
9
South African Junior Team Championships 2018 (U10C)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
6.0
1061.2
1060.9
Analysis
8
De Goede Top 20 Closed 2018 (U10 Open)
2018/08/18
2018/08/18
Ehlanzeni (MEN)
Standard
60
0.83
5
5
3.5
997.5
1000.4
Analysis
7
Lowveld Open 2018 (C)
2018/07/28
2018/07/28
Ehlanzeni (MEN)
Standard
63
0.84
5
5
2.0
996.2
997.6
Analysis
6
Malelane Primary 2018 (U10 Open)
2018/07/21
2018/07/21
Ehlanzeni (MEN)
Standard
63
0.84
5
5
3.5
996.2
997.6
Analysis
5
Curro Age Open 2018 (U8+U10 Open)
2018/05/12
2018/05/12
Ehlanzeni (MEN)
Standard
63
0.84
5
4
2.0
837.0
862.4
Analysis
4
Penryn Age Open 2018 (U8+U10)
2018/04/21
2018/04/21
Ehlanzeni (MEN)
Standard
63
0.84
5
5
4.0
720.4
724.8
Analysis
3
Rob Ferreira Hoerskool Open 2018 (B)
2018/03/17
2018/03/17
Ehlanzeni (MEN)
Standard
63
0.84
5
5
3.0
697.6
697.6
Analysis
2
Uplands College Open (B)
2018/03/03
2018/03/03
Ehlanzeni (MEN)
Standard
63
0.84
5
5
2.0
697.6
697.6
Analysis
1
South African Junior Team Championships 2017 (U10C)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
7
5.0
627.2
627.2
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
112
68
4
40
70.0
62.5
106.3
1068.8
1175.0
White
58
40
1
17
40.5
69.8
168.5
1079.2
1247.7
Black
54
28
3
23
29.5
54.6
39.4
1057.6
1096.9
Standard
All
112
68
4
40
70.0
62.5
106.3
1068.8
1175.0
White
58
40
1
17
40.5
69.8
168.5
1079.2
1247.7
Black
54
28
3
23
29.5
54.6
39.4
1057.6
1096.9
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
109066921
Macdonald, I (Ian)
8
1.0
0
2
6
12.5
1150.4
-318.8
831.7
View list
2
109089643
Wessels, M (Meyer)
4
4.0
4
0
0
100.0
1141.3
425.0
1566.3
View list
3
210087580
Pauer, M (Mieke)
4
2.0
2
0
2
50.0
1096.3
0.0
1096.3
View list
4
105080582
Patel, A (Abdul-Samad)
4
0.0
0
0
4
0.0
1074.7
-425.0
649.7
View list
5
1080097926
Botha, W (Wian)
3
3.0
3
0
0
100.0
1189.7
425.0
1614.7
View list
6
108065716
Van Heerden, M (Michael)
3
3.0
3
0
0
100.0
1029.7
425.0
1454.7
View list
7
110087575
Ogunjiofor, CJ (Chinedu Jeremy)
3
1.0
1
0
2
33.3
905.3
-141.7
763.6
View list
8
209089639
Van Dyk, M (Mia)
3
1.0
1
0
2
33.3
1129.6
-141.7
988.0
View list
9
100012609
Hlatshaneni, N (Ntando)
2
2.0
2
0
0
100.0
1195.7
425.0
1620.7
View list
10
1110097939
Arugundiya, R (Robert)
2
2.0
2
0
0
100.0
859.0
425.0
1284.0
View list
11
2080116951
Lekhuleni, P (Perfect)
2
2.0
2
0
0
100.0
1195.7
425.0
1620.7
View list
12
110092764
Matthee, A (Alex)
2
2.0
2
0
0
100.0
858.3
425.0
1283.3
View list
13
2080098240
Nelson, Z (Zetani)
2
2.0
2
0
0
100.0
1195.7
425.0
1620.7
View list
14
1090097902
Nhlabathi, L (Lesedi)
2
2.0
2
0
0
100.0
1195.7
425.0
1620.7
View list
15
2100137667
Roos, K (Kirstin)
2
2.0
2
0
0
100.0
1213.3
425.0
1638.3
View list
16
204056692
Smit, L (Leanne)
2
2.0
2
0
0
100.0
1195.7
425.0
1620.7
View list
17
104082306
Ngwenya, B (Brilliant)
2
0.0
0
0
2
0.0
1195.7
-425.0
770.7
View list
18
108089644
Onwusaka, L (Lucky)
2
0.0
0
0
2
0.0
1195.7
-425.0
770.7
View list
19
2050158680
Bonze, K (Karoll)
1
1.0
1
0
0
100.0
1285.2
425.0
1710.2
View list
20
2090137660
Bontle, M (Matsi)
1
1.0
1
0
0
100.0
1188.7
425.0
1613.7
View list