Chess South Africa
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Chess South Africa
Grobler, Z (Zandre)
Dob:
2006/07/16 (U20)
Gender:
Male
Chess SA id:
106065039
FIDE id:
Grobler
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2024/02/24 (87 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
1581.4
Curent Weighted rating
1508.5
Curent Weighted performance
1573.5
Current official/published rating (highest between Raw, WR and WP)
1581.4
Current floor (min rating allowed)
1081.4
Current highest rating achieved
1581.4
Current K-factor
32
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)
±96.3
Current Raw change used (final)
0.0
Projected new Raw rating
1581.4
Projected new Weighed rating
1517.0
Projected new Weighted performance
1573.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1581.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1581.4
Projected new floor
1081.4
Projected new K-facor
32
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
1561.4
Curent Weighted rating
1487.2
Curent Weighted performance
1533.1
Current official/published rating (highest between Raw, WR and WP)
1561.4
Current floor (min rating allowed)
1061.4
Current highest rating achieved
1561.4
Current K-factor
32
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)
±99.1
Current Raw change used (final)
0.0
Projected new Raw rating
1561.4
Projected new Weighed rating
1495.7
Projected new Weighted performance
1533.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1561.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1561.4
Projected new floor
1061.4
Projected new K-facor
32
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
1442.3
Curent Weighted rating
1426.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1442.3
Current floor (min rating allowed)
942.3
Current highest rating achieved
1442.3
Current K-factor
32
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)
±117.4
Current Raw change used (final)
0.0
Projected new Raw rating
1442.3
Projected new Weighed rating
1428.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1442.3
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1442.3
Projected new floor
942.3
Projected new K-facor
32
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
1363.1
Curent Weighted rating
1363.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1363.1
Current floor (min rating allowed)
942.3
Current highest rating achieved
1363.1
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)
±131.4
Current Raw change used (final)
0.0
Projected new Raw rating
1363.1
Projected new Weighed rating
1363.1
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1363.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1363.1
Projected new floor
942.3
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
Grey College Team Championship 2024 (A)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
5
5.0
1525.0
1503.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
28
Grey College Team Championship 2024 (A)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
5
5.0
1525.0
1503.5
Analysis
27
2023 Western Cape Rural Cup (U18)
2023/12/09
2023/12/10
Cape Winelands (WCW)
Standard
60
0.83
5
3
1.0
1538.8
1518.2
Analysis
26
Paarl Boys High Chess Festival 2023 (Elite Division)
2023/10/13
2023/10/14
Cape Winelands (WCW)
Standard
60
0.83
6
6
4.5
1523.9
1494.2
Analysis
25
Western Cape Top Schools 2023 (U18 Mixed)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
6
6
6.0
1478.7
1439.2
Analysis
24
CW Top Schools 2023 (U18 Mix)
2023/08/26
2023/08/26
Cape Winelands (WCW)
Rapid
32
0.63
5
5
5.0
1458.7
1395.9
Analysis
23
Western Cape HS Individuals 2023 (U17 Boys)
2023/04/01
2023/04/02
Cape Town (WCT)
Standard
60
0.83
6
6
4.0
1458.7
1439.8
Analysis
22
Cape Winelands Schools Prestige 2023 (U17 Boys)
2023/03/11
2023/03/11
Cape Winelands (WCW)
Standard
60
0.83
5
4
2.5
1459.8
1440.8
Analysis
21
Cape Winelands Schools Chess - Trials 1 2023 (U17 Boys)
2023/02/25
2023/02/25
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.5
1414.5
1398.2
Analysis
20
Grey College Team Championship 2023 (A)
2023/02/03
2023/02/04
Mangaung (FMB)
Standard
60
0.83
5
5
4.5
1414.5
1398.2
Analysis
19
Western Cape Top Schools 2022 (U18 Mix)
2022/09/16
2022/09/17
Overberg (WOS)
Standard
60
0.83
5
5
3.0
1424.3
1410.4
Analysis
18
Cape Winelands Schools Top Schools 2022 (U18 Mix)
2022/08/27
2022/08/27
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.5
1376.8
1355.3
Analysis
17
Western Cape Schools Chess 2022 (U18 Boys)
2022/05/07
2022/05/08
Eden District (WEG)
Standard
65
0.85
6
6
3.0
1375.6
1352.1
Analysis
16
Cape Winelands Schools 2022 (U18 Boys)
2022/03/05
2022/03/05
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.0
1347.8
1321.5
Analysis
15
Central Winelands Schools Individual Trials 2022 (U18 Boys)
2022/02/19
2022/02/19
Cape Winelands (WCW)
Rapid
35
0.66
5
5
3.0
1340.9
1410.0
Analysis
14
Cape Winelands Schools Trials 1 2020 (U15 Boys)
2020/02/15
2020/02/15
Cape Winelands (WCW)
Rapid
30
0.60
6
6
4.5
1325.1
1413.5
Analysis
13
Stellenberg Youth Chess Championship 2019 (A)
2019/04/30
2019/05/01
Cape Town (WCT)
Standard
60
0.83
6
6
2.5
1333.5
1333.0
Analysis
12
Crossroads Open Chess Championship 2019 (C)
2019/04/27
2019/04/28
Cape Town (WCT)
Standard
70
0.87
6
6
5.0
1285.0
1276.1
Analysis
11
South African Junior Blitz 2018 (U14)
2018/12/19
2018/12/19
4 Knights (4K)
Blitz
5
0.18
7
7
5.0
1270.7
1417.9
Analysis
10
South African Junior Team Championships 2018 (U14A)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
6
3.5
1270.7
1266.7
Analysis
9
Western Cape Kings & Queens 2018 (Boys)
2018/10/20
2018/10/20
Cape Winelands (WCW)
Rapid
30
0.60
5
4
3.0
1264.2
1417.9
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
5
0
0
5.0
100.0
425.0
1413.4
1838.4
White
3
3
0
0
3.0
100.0
425.0
1471.4
1896.4
Black
2
2
0
0
2.0
100.0
425.0
1326.5
1751.5
Standard
All
5
5
0
0
5.0
100.0
425.0
1413.4
1838.4
White
3
3
0
0
3.0
100.0
425.0
1471.4
1896.4
Black
2
2
0
0
2.0
100.0
425.0
1326.5
1751.5
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
159
93
34
32
110.0
69.2
163.1
1239.1
1402.2
White
82
46
19
17
55.5
67.7
150.3
1226.2
1376.5
Black
77
47
15
15
54.5
70.8
176.6
1252.9
1429.5
Standard
All
132
73
33
26
89.5
67.8
151.3
1246.1
1397.4
White
68
37
18
13
46.0
67.6
150.0
1230.4
1380.4
Black
64
36
15
13
43.5
68.0
152.7
1262.8
1415.5
Rapid
All
20
15
1
4
15.5
77.5
233.8
1207.1
1440.9
White
10
7
1
2
7.5
75.0
212.5
1176.3
1388.8
Black
10
8
0
2
8.0
80.0
255.0
1237.9
1492.9
Blitz
All
7
5
0
2
5.0
71.4
182.1
1199.0
1381.1
White
4
2
0
2
2.0
50.0
0.0
1279.1
1279.1
Black
3
3
0
0
3.0
100.0
425.0
1092.1
1517.1
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
106045226
Palmer, C (Cheslin)
4
3.0
2
2
0
75.0
1317.1
212.5
1529.6
View list
2
106078134
Geyser, K (Kobus)
4
0.5
0
1
3
12.5
1346.5
-318.8
1027.7
View list
3
1060096732
Van Tonder, W (Wium)
3
1.0
0
2
1
33.3
1392.9
-141.7
1251.2
View list
4
106087912
Lielieveld, F (Franco)
3
0.5
0
1
2
16.7
1307.0
-283.3
1023.6
View list
5
105033072
Samuels, K (Kieran)
3
0.5
0
1
2
16.7
1311.9
-283.3
1028.6
View list
6
108088280
Mostert, M (Mikhail)
2
2.0
2
0
0
100.0
1468.7
425.0
1893.7
View list
7
105094690
Williams, V (Vogan)
2
2.0
2
0
0
100.0
1262.8
425.0
1687.8
View list
8
103085390
Kedama, S (Sandiso)
2
1.0
1
0
1
50.0
1303.0
0.0
1303.0
View list
9
105090611
Mnyasta, T (Tezihano)
2
1.0
1
0
1
50.0
1299.9
0.0
1299.9
View list
10
106068298
Reddy, T (Thacian)
2
0.5
0
1
1
25.0
1387.1
-212.5
1174.6
View list
11
102085391
Thompson, T (Themba)
2
0.5
0
1
1
25.0
1344.9
-212.5
1132.4
View list
12
208061417
Botha, L (Lika)
1
1.0
1
0
0
100.0
1414.5
425.0
1839.5
View list
13
1040097434
Botha , S (Samuel Steyn)
1
1.0
1
0
0
100.0
1329.1
425.0
1754.1
View list
14
1060151290
Botes, J (Janye)
1
1.0
1
0
0
100.0
1414.5
425.0
1839.5
View list
15
106066851
Bosch, A (Altus)
1
1.0
1
0
0
100.0
1356.3
425.0
1781.3
View list
16
104046617
Booysen, L (Louis)
1
1.0
1
0
0
100.0
1329.1
425.0
1754.1
View list
17
105093493
Booysen, J (Jenilo)
1
1.0
1
0
0
100.0
1264.2
425.0
1689.2
View list
18
1090105696
Barradas, K (Keanu)
1
1.0
1
0
0
100.0
1525.0
425.0
1950.0
View list
19
1070143843
Badenhorst, M (Matthew Peter)
1
1.0
1
0
0
100.0
1525.0
425.0
1950.0
View list
20
1080105922
Basson, Z (Zanco)
1
1.0
1
0
0
100.0
1478.7
425.0
1903.7
View list