Chess South Africa
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Chess South Africa
Grobbelaar, J (Jacqui)
Dob:
1994/11/09 (Adult)
Gender:
Female
Chess SA id:
294011237
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
PA
Last active:
2024/05/12 (76 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
1586.9
Current Weighted rating
1584.7
Current Weighted performance
1458.3
Current official/published rating (highest between Raw, WR and WP)
1586.9
Current highest rating achieved
1691.4
Current floor (min rating allowed)
1191.4
Current K-factor
28
Games played this month
-4
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)
±95.5
Current Raw change used (final)
0.0
Projected new Raw rating
1586.9
Projected new Weighed rating
1459.0
Projected new Weighted performance
1458.3
Projected new final Raw rating (if new WP > new Raw)
1586.9
Projected new highest rating
1691.4
Projected new floor
1191.4
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1586.9
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
1596.9
Current Weighted rating
1596.6
Current Weighted performance
1490.2
Current official/published rating (highest between Raw, WR and WP)
1596.9
Current highest rating achieved
1689.7
Current floor (min rating allowed)
1189.7
Current K-factor
28
Games played this month
-4
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)
±94.2
Current Raw change used (final)
0.0
Projected new Raw rating
1596.9
Projected new Weighed rating
1469.6
Projected new Weighted performance
1490.2
Projected new final Raw rating (if new WP > new Raw)
1596.9
Projected new highest rating
1689.7
Projected new floor
1189.7
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1596.9
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
1565.9
Current Weighted rating
1584.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1584.4
Current highest rating achieved
1674.3
Current floor (min rating allowed)
1174.3
Current K-factor
28
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)
±98.5
Current Raw change used (final)
0.0
Projected new Raw rating
1565.9
Projected new Weighed rating
1457.4
Projected new Weighted performance
1098.3
Projected new final Raw rating (if new WP > new Raw)
1565.9
Projected new highest rating
1674.3
Projected new floor
1174.3
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1565.9
Projected effective change (new Official - current Official)
-18.5
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
1651.6
Current Weighted rating
1661.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1661.7
Current highest rating achieved
1723.6
Current floor (min rating allowed)
1223.6
Current K-factor
28
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)
±87.1
Current Raw change used (final)
0.0
Projected new Raw rating
1651.6
Projected new Weighed rating
1527.7
Projected new Weighted performance
898.9
Projected new final Raw rating (if new WP > new Raw)
1651.6
Projected new highest rating
1723.6
Projected new floor
1223.6
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1651.6
Projected effective change (new Official - current Official)
-10.1
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
Steinitz Chess Festival 2024 (Championship)
2024/05/10
2024/05/12
Cape Town (WCT)
Standard
90
0.94
6
4
1.0
1601.4
1616.8
Analysis
3
Hermanus Chess Club Open 2024 (Advanced)
2024/04/20
2024/04/20
Overberg (WOS)
Rapid
20
0.47
7
7
4.0
1590.8
1589.7
Analysis
2
South African Closed Chess Championship 2024 (Ladies)
2024/03/25
2024/04/02
Cape Town (WCT)
Standard
150
1.00
11
11
4.5
1590.8
1604.5
Analysis
1
Cape of Good Hope Open Chess Tournament 2024 (Championship)
2024/02/17
2024/02/17
Cape Town (WCT)
Standard
90
0.94
5
5
0.5
1618.2
1628.3
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
39
Steinitz Chess Festival 2024 (Championship)
2024/05/10
2024/05/12
Cape Town (WCT)
Standard
90
0.94
6
4
1.0
1601.4
1616.8
Analysis
38
Hermanus Chess Club Open 2024 (Advanced)
2024/04/20
2024/04/20
Overberg (WOS)
Rapid
20
0.47
7
7
4.0
1590.8
1589.7
Analysis
37
South African Closed Chess Championship 2024 (Ladies)
2024/03/25
2024/04/02
Cape Town (WCT)
Standard
150
1.00
11
11
4.5
1590.8
1604.5
Analysis
36
Cape of Good Hope Open Chess Tournament 2024 (Championship)
2024/02/17
2024/02/17
Cape Town (WCT)
Standard
90
0.94
5
5
0.5
1618.2
1628.3
Analysis
35
Kraaifontein Open 2023 (Adanced)
2023/12/09
2023/12/10
Cape Town (WCT)
Standard
70
0.87
6
5
3.5
1595.1
1601.5
Analysis
34
Western Cape Closed Championship 2023 (Blitz)
2023/09/23
2023/09/25
Cape Town (WCT)
Blitz
7
0.23
7
7
4.5
1591.7
1677.4
Analysis
33
CW Top Schools 2023 (Elite)
2023/08/11
2023/08/13
West Coast (WCU)
Standard
90
0.94
6
6
4.5
1551.7
1560.9
Analysis
32
Hermanus Rapid 2023 (A)
2023/04/22
2023/04/22
Overberg (WOS)
Rapid
25
0.54
6
6
2.5
1536.9
1591.4
Analysis
31
Chess WP Individual Blitz 2023 (Open)
2023/01/03
2023/01/03
Cape Town (WCT)
Blitz
5
0.18
7
7
4.0
1537.0
1723.6
Analysis
30
Western Cape Woman`s Championship 2022 (Elite)
2022/09/02
2022/09/04
West Coast (WCU)
Standard
90
0.94
5
4
0.0
1563.8
1593.9
Analysis
29
South African Open 2022 (Championship)
2022/07/09
2022/07/17
Cape Town (WCT)
Standard
120
1.00
11
11
4.0
1581.2
1578.2
Analysis
28
Curro Durbanville Chess Open Rapid 2022 (A)
2022/07/02
2022/07/02
Cape Town (WCT)
Rapid
25
0.54
6
5
2.0
1581.2
1674.3
Analysis
27
2022 South African Closed Chess Championships (Women)
2022/05/08
2022/05/14
Chess South Africa (CSA)
Standard
150
1.00
7
6
1.5
1593.5
1590.0
Analysis
26
Moja Open 2022 (Ladies)
2022/03/19
2022/03/22
Frances Baard (NCF)
Standard
120
1.00
7
7
4.5
1616.7
1617.2
Analysis
25
2022 Chris Greyling Open (A)
2022/03/12
2022/03/12
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1616.7
1617.2
Analysis
24
2022 Tshwane Chess Open Registration Tournament (A)
2022/01/29
2022/01/29
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1613.7
1612.4
Analysis
23
2021 Milos Ristic Open (A)
2021/10/09
2021/10/09
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1613.2
1612.1
Analysis
22
2021 Gauteng North Open Tournament (A)
2021/08/28
2021/08/29
Tshwane (GTP)
Standard
90
0.94
5
5
1.0
1622.7
1623.0
Analysis
21
2021 Blou Bul Tournament (A)
2021/04/10
2021/04/10
Mangaung (FMB)
Standard
60
0.83
5
5
1.5
1643.4
1648.5
Analysis
20
Ekurhuleni Chess Chessa Open 2021 (A)
2021/03/27
2021/03/28
Ekurhuleni (GE)
Standard
90
0.94
5
5
4.5
1597.6
1602.0
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
27
7
6
14
10.0
37.0
-110.2
1658.7
1548.5
White
12
4
3
5
5.5
45.8
-35.4
1646.1
1610.7
Black
15
3
3
9
4.5
30.0
-170.0
1668.7
1498.7
Standard
All
20
4
4
12
6.0
30.0
-170.0
1725.0
1555.0
White
9
2
2
5
3.0
33.3
-141.7
1713.0
1571.3
Black
11
2
2
7
3.0
27.3
-193.2
1734.8
1541.6
Rapid
All
7
3
2
2
4.0
57.1
60.7
1469.3
1530.0
White
3
2
1
0
2.5
83.3
283.3
1445.5
1728.8
Black
4
1
1
2
1.5
37.5
-106.3
1487.1
1380.8
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
239
86
33
120
102.5
42.9
-60.5
1644.9
1584.5
White
115
47
14
54
54.0
47.0
-25.9
1656.3
1630.5
Black
124
39
19
66
48.5
39.1
-92.5
1634.4
1541.8
Standard
All
188
65
28
95
79.0
42.0
-67.8
1652.7
1584.8
White
93
38
11
44
43.5
46.8
-27.4
1663.3
1635.9
Black
95
27
17
51
35.5
37.4
-107.4
1642.3
1534.9
Rapid
All
27
9
4
14
11.0
40.7
-78.7
1607.5
1528.8
White
12
5
3
4
6.5
54.2
35.4
1601.2
1636.7
Black
15
4
1
10
4.5
30.0
-170.0
1612.5
1442.5
Blitz
All
24
12
1
11
12.5
52.1
17.7
1626.6
1644.3
White
10
4
0
6
4.0
40.0
-85.0
1658.0
1573.0
Black
14
8
1
5
8.5
60.7
91.1
1604.1
1695.2
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
297009288
February, JN (Jesse)
5
1.5
1
1
3
30.0
1567.6
-170.0
1397.6
View list
2
278035664
Laubscher, A (Anzel)
5
1.0
0
2
3
20.0
1580.6
-255.0
1325.6
View list
3
105009732
Fourie, B (Brandon)
4
2.0
2
0
2
50.0
1654.2
0.0
1654.2
View list
4
200007735
Du Plessis, AC (Anika)
4
2.0
1
2
1
50.0
1540.9
0.0
1540.9
View list
5
293034027
Selkirk, RJ (Rebecca)
4
0.5
0
1
3
12.5
1562.4
-318.8
1243.7
View list
6
105018698
Lubbe, DS (David)
3
3.0
3
0
0
100.0
1624.8
425.0
2049.8
View list
7
203001927
Bester, C (Carla)
3
2.0
2
0
1
66.7
1566.1
141.7
1707.8
View list
8
202020794
Marais, N (Nina)
3
2.0
1
2
0
66.7
1626.5
141.7
1768.2
View list
9
201043193
Wolmarans, R (Riekie)
3
2.0
1
2
0
66.7
1602.5
141.7
1744.2
View list
10
296040218
Klaasen, RJ (Robyn)
3
1.5
1
1
1
50.0
1574.1
0.0
1574.1
View list
11
104064895
Naidoo, T (Tashil)
3
1.5
1
1
1
50.0
1610.2
0.0
1610.2
View list
12
170033599
Schuller, A (Ashley)
3
1.0
1
0
2
33.3
1576.4
-141.7
1434.7
View list
13
156039522
Van Der Walt, PE (Pierre)
3
1.0
1
0
2
33.3
1641.5
-141.7
1499.8
View list
14
199042452
Waters, A (Anre)
3
1.0
1
0
2
33.3
1691.9
-141.7
1550.2
View list
15
299040998
Van Zyl, C (Charlize)
3
0.5
0
1
2
16.7
1574.1
-283.3
1290.8
View list
16
162017968
Lewis, MMM (Mark)
3
0.0
0
0
3
0.0
1551.7
-425.0
1126.7
View list
17
1020104104
Bezuidenhout, LP (Lian)
2
2.0
2
0
0
100.0
1620.5
425.0
2045.5
View list
18
1010115854
De Villiers, AM (Ammen Mohammed)
2
2.0
2
0
0
100.0
1564.3
425.0
1989.3
View list
19
206091525
Nel, H (Hayley)
2
2.0
2
0
0
100.0
1603.8
425.0
2028.8
View list
20
108083939
Rosenberg, W (Wagheed)
2
2.0
2
0
0
100.0
1592.9
425.0
2017.9
View list