Chess South Africa
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Chess South Africa
Joubert, N (Natasha)
Dob:
2005/12/06 (U20)
Gender:
Female
Chess SA id:
205014626
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
WCM,RA
Last active:
2024/05/01 (11 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
1595.9
Curent Weighted rating
1575.5
Curent Weighted performance
1471.4
Current official/published rating (highest between Raw, WR and WP)
1595.9
Current floor (min rating allowed)
1118.9
Current highest rating achieved
1618.9
Current K-factor
28
Games played this month
9
Score (S)
7.0
Expected score (We)
6.93
Difference (S-We)
0.07
Current Raw change (no limits, including tournament time weight)
2.0
Current min/max change allowed (with limits)
±94.3
Current Raw change used (final)
2.0
Projected new Raw rating
1597.9
Projected new Weighed rating
1578.3
Projected new Weighted performance
1471.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1597.9
Projected effective change (new Official - current Official)
+2.0
Projected new highest rating
1618.9
Projected new floor
1118.9
Projected new K-facor
28
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
1606.0
Curent Weighted rating
1589.7
Curent Weighted performance
1471.4
Current official/published rating (highest between Raw, WR and WP)
1606.0
Current floor (min rating allowed)
1143.0
Current highest rating achieved
1643.0
Current K-factor
28
Games played this month
9
Score (S)
7.0
Expected score (We)
7.10
Difference (S-We)
-0.10
Current Raw change (no limits, including tournament time weight)
-2.8
Current min/max change allowed (with limits)
±93.0
Current Raw change used (final)
-2.8
Projected new Raw rating
1603.2
Projected new Weighed rating
1592.1
Projected new Weighted performance
1471.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1603.2
Projected effective change (new Official - current Official)
-2.8
Projected new highest rating
1643.0
Projected new floor
1143.0
Projected new K-facor
28
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
1297.5
Curent Weighted rating
1293.4
Curent Weighted performance
947.5
Current official/published rating (highest between Raw, WR and WP)
1297.5
Current floor (min rating allowed)
797.5
Current highest rating achieved
1297.5
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)
±144.3
Current Raw change used (final)
0.0
Projected new Raw rating
1297.5
Projected new Weighed rating
1294.2
Projected new Weighted performance
947.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1297.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1297.5
Projected new floor
797.5
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
1277.9
Curent Weighted rating
1279.9
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1279.9
Current floor (min rating allowed)
797.5
Current highest rating achieved
1292.7
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)
±148.4
Current Raw change used (final)
0.0
Projected new Raw rating
1277.9
Projected new Weighed rating
1279.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1279.7
Projected effective change (new Official - current Official)
-0.2
Projected new highest rating
1292.7
Projected new floor
797.5
Projected new K-facor
36
Tournaments
History
Tournament:
South African Junior Closed Chess Championship 2024 (U20 Girls)
Start:
2024/04/27
End:
2024/05/01
Host:
GE
Type:
Standard
Time:
120
Time weight:
1.00
Rounds:
9
Games:
9
Score:
7.0
Main rating:
1595.9
Rating gain/loss:
2.0
Type rating:
1606.0
Rating gain/loss:
-2.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
2
South African Junior Closed Chess Championship 2024 (U20 Girls)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
7.0
1595.9
1606.0
Analysis
1
Western Cape Inter Region Cup 2024 (Ladies)
2024/03/23
2024/03/24
Overberg (WOS)
Standard
90
0.94
5
5
4.5
1571.9
1588.9
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
73
South African Junior Closed Chess Championship 2024 (U20 Girls)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
7.0
1595.9
1606.0
Analysis
72
Western Cape Inter Region Cup 2024 (Ladies)
2024/03/23
2024/03/24
Overberg (WOS)
Standard
90
0.94
5
5
4.5
1571.9
1588.9
Analysis
71
CW Top Schools 2023 (Elite)
2023/08/11
2023/08/13
West Coast (WCU)
Standard
90
0.94
6
5
2.0
1618.9
1643.0
Analysis
70
WP Club League 2023 (B)
2023/07/29
2023/09/09
Cape Town (WCT)
Standard
120
1.00
11
1
0.0
1586.5
1604.6
Analysis
69
2023 SA Schools Winter Games (U18 Girls)
2023/07/04
2023/07/06
West Rand (GWR)
Standard
65
0.85
7
7
6.0
1583.0
1606.6
Analysis
68
Hermanus Rapid 2023 (A)
2023/04/22
2023/04/22
Overberg (WOS)
Rapid
25
0.54
6
6
2.0
1615.8
1275.2
Analysis
67
Western Cape HS Individuals 2023 (U19 Girls)
2023/04/01
2023/04/02
Cape Town (WCT)
Standard
60
0.83
6
5
3.5
1615.8
1626.2
Analysis
66
Cape Town Open 2023 (Advanced)
2023/03/24
2023/03/26
Cape Town (WCT)
Standard
90
0.94
6
6
4.0
1569.2
1571.4
Analysis
65
Western Cape Inter Regional 2023 (Senior Ladies)
2023/03/18
2023/03/19
Eden District (WEG)
Standard
90
0.94
5
4
3.0
1569.2
1571.4
Analysis
64
Western Cape Inter Regional 2023 (Blitz)
2023/03/17
2023/03/17
Eden District (WEG)
Blitz
5
0.18
5
5
3.0
1569.2
1292.7
Analysis
63
Cape Town Metro Schools Chess Closed Individuals 2023 (U19 Girls)
2023/03/03
2023/03/04
Cape Town (WCT)
Standard
60
0.83
6
6
6.0
1569.2
1571.4
Analysis
62
North District School Trials 2023 (U17+U19 Girls)
2023/02/03
2023/02/04
Cape Town (WCT)
Standard
60
0.83
5
3
3.0
1561.0
1562.4
Analysis
61
Cape of Good Hope Open 2023 (Advanced)
2023/01/28
2023/01/29
Cape Town (WCT)
Standard
70
0.87
6
6
5.0
1513.7
1510.6
Analysis
60
Western Cape Club Championship 2022 (Tier 2)
2022/10/07
2022/10/09
Cape Town (WCT)
Standard
65
0.85
6
6
2.5
1505.3
1503.9
Analysis
59
World Youth Chess Championships 2022
2022/09/06
2022/09/16
Romania (ROU)
Standard
120
1.00
11
11
3.5
1509.8
1507.1
Analysis
58
2022 Western Province Club League (Premier)
2022/08/20
2022/10/01
Cape Town (WCT)
Standard
120
1.00
11
4
1.5
1505.3
1503.9
Analysis
57
South African Open 2022 (Blitz)
2022/07/14
2022/07/14
Cape Town (WCT)
Blitz
5
0.18
10
10
5.0
1557.6
1223.9
Analysis
56
2022 African Youth Chess Championships
2022/07/03
2022/07/09
Zambia (ZAM)
Standard
150
1.00
9
9
5.0
1557.6
1552.2
Analysis
55
Stellenberg Chess Championship 2022 (Championship)
2022/06/24
2022/06/25
Cape Town (WCT)
Standard
65
0.85
6
6
3.5
1541.6
1542.3
Analysis
54
WP Closed 2022 (U18+U20)
2022/06/16
2022/06/16
Cape Town (WCT)
Standard
70
0.87
6
6
4.5
1541.6
1542.3
Analysis
1
2
3
4
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
14
11
1
2
11.5
82.1
273.2
1370.5
1643.7
White
7
4
1
2
4.5
64.3
121.4
1365.7
1487.1
Black
7
7
0
0
7.0
100.0
425.0
1375.3
1800.3
Standard
All
14
11
1
2
11.5
82.1
273.2
1370.5
1643.7
White
7
4
1
2
4.5
64.3
121.4
1365.7
1487.1
Black
7
7
0
0
7.0
100.0
425.0
1375.3
1800.3
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
446
240
54
152
267.0
59.9
83.9
1359.1
1443.0
White
225
122
25
78
134.5
59.8
83.1
1361.5
1444.6
Black
221
118
29
74
132.5
60.0
84.6
1356.7
1441.3
Standard
All
391
207
53
131
233.5
59.7
82.6
1363.4
1446.0
White
198
107
25
66
119.5
60.4
88.0
1359.4
1447.4
Black
193
100
28
65
114.0
59.1
77.1
1367.6
1444.6
Rapid
All
40
25
1
14
25.5
63.8
116.9
1276.9
1393.8
White
20
13
0
7
13.0
65.0
127.5
1297.4
1424.9
Black
20
12
1
7
12.5
62.5
106.3
1256.4
1362.7
Blitz
All
15
8
0
7
8.0
53.3
28.3
1466.9
1495.2
White
7
2
0
5
2.0
28.6
-182.1
1605.2
1423.1
Black
8
6
0
2
6.0
75.0
212.5
1345.8
1558.3
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
205053638
Palmer, ZE (Zante)
7
5.0
5
0
2
71.4
1506.5
182.1
1688.6
View list
2
205053371
Yacoob, A (Ameera)
5
3.5
3
1
1
70.0
1491.4
170.0
1661.4
View list
3
106053361
Moollajee, R (Rehaan)
5
3.0
3
0
2
60.0
1450.4
85.0
1535.4
View list
4
1050108039
Mnyasta, C (Charlton)
5
2.0
2
0
3
40.0
1459.7
-85.0
1374.7
View list
5
206092089
Choli, T (Thimwa Angel)
4
4.0
4
0
0
100.0
1391.9
425.0
1816.9
View list
6
203049830
Mitchells, J (Jamie-Lee)
4
2.0
2
0
2
50.0
1499.0
0.0
1499.0
View list
7
205053625
Blows, K (Kiara)
4
1.5
1
1
2
37.5
1354.3
-106.3
1248.1
View list
8
107053637
Palmer, RN (Reegan)
4
1.0
1
0
3
25.0
1436.4
-212.5
1223.9
View list
9
205073351
Brand, R (Robin)
3
3.0
3
0
0
100.0
1400.6
425.0
1825.6
View list
10
205067320
De Beer, J (Janka)
3
3.0
3
0
0
100.0
1343.9
425.0
1768.9
View list
11
206077315
Gardener, A (Angelique)
3
3.0
3
0
0
100.0
1346.5
425.0
1771.5
View list
12
105065981
Minnaar, E (Ethan)
3
3.0
3
0
0
100.0
1385.6
425.0
1810.6
View list
13
102065999
Klaaste, C (Chadley)
3
2.5
2
1
0
83.3
1370.7
283.3
1654.1
View list
14
205054730
Du Preez, L (Lienke)
3
2.0
2
0
1
66.7
1311.8
141.7
1453.4
View list
15
205060329
Maletta, L (Legene)
3
2.0
2
0
1
66.7
1400.6
141.7
1542.3
View list
16
204066121
Wallace, A (Amy)
3
2.0
2
0
1
66.7
1472.9
141.7
1614.5
View list
17
1030096304
Wilson, C (Caden)
3
2.0
1
2
0
66.7
1444.2
141.7
1585.9
View list
18
106089505
Mchontsi, A (Ayabonga)
3
1.5
1
1
1
50.0
1524.9
0.0
1524.9
View list
19
104059592
Boshoff, C (Chris)
3
1.0
1
0
2
33.3
1447.4
-141.7
1305.7
View list
20
1050106200
Braaf, J (Jiraan)
3
0.5
0
1
2
16.7
1443.1
-283.3
1159.8
View list