Chess South Africa
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Chess South Africa
Bothma, J (Jaculene)
Dob:
2010/12/10 (U16)
Gender:
Female
Chess SA id:
2100097359
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2024/05/01 (10 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
1429.6
Curent Weighted rating
1409.4
Curent Weighted performance
1369.5
Current official/published rating (highest between Raw, WR and WP)
1429.6
Current floor (min rating allowed)
987.2
Current highest rating achieved
1487.2
Current K-factor
32
Games played this month
9
Score (S)
4.0
Expected score (We)
4.68
Difference (S-We)
-0.68
Current Raw change (no limits, including tournament time weight)
-21.8
Current min/max change allowed (with limits)
±119.6
Current Raw change used (final)
-21.8
Projected new Raw rating
1407.8
Projected new Weighed rating
1409.6
Projected new Weighted performance
1369.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1409.6
Projected effective change (new Official - current Official)
-20.0
Projected new highest rating
1487.2
Projected new floor
987.2
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
1445.6
Curent Weighted rating
1431.7
Curent Weighted performance
1379.0
Current official/published rating (highest between Raw, WR and WP)
1445.6
Current floor (min rating allowed)
999.0
Current highest rating achieved
1499.0
Current K-factor
32
Games played this month
9
Score (S)
4.0
Expected score (We)
4.86
Difference (S-We)
-0.86
Current Raw change (no limits, including tournament time weight)
-27.5
Current min/max change allowed (with limits)
±116.9
Current Raw change used (final)
-27.5
Projected new Raw rating
1418.1
Projected new Weighed rating
1431.7
Projected new Weighted performance
1379.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1431.7
Projected effective change (new Official - current Official)
-13.9
Projected new highest rating
1499.0
Projected new floor
999.0
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
1258.3
Curent Weighted rating
1240.8
Curent Weighted performance
1169.4
Current official/published rating (highest between Raw, WR and WP)
1258.3
Current floor (min rating allowed)
760.4
Current highest rating achieved
1260.4
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)
±152.6
Current Raw change used (final)
0.0
Projected new Raw rating
1258.3
Projected new Weighed rating
1241.6
Projected new Weighted performance
1169.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1258.3
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1260.4
Projected new floor
760.4
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
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
760.4
Current highest rating achieved
1200.0
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1200.0
Projected new floor
760.4
Projected new K-facor
36
Tournaments
History
Tournament:
South African Junior Closed Chess Championship 2024 (U14 Girls)
Start:
2024/04/27
End:
2024/05/01
Host:
GE
Type:
Standard
Time:
120
Time weight:
1.00
Rounds:
9
Games:
9
Score:
4.0
Main rating:
1429.6
Rating gain/loss:
-21.8
Type rating:
1445.6
Rating gain/loss:
-27.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
South African Junior Closed Chess Championship 2024 (U14 Girls)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
4.0
1429.6
1445.6
Analysis
3
Westwood Open 2024 (A)
2024/04/13
2024/04/13
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1466.8
1499.0
Analysis
2
Benoni High Schools Cluster Individuals 2024 (U15 Girls)
2024/03/16
2024/03/16
Ekurhuleni (GE)
Rapid
45
0.74
5
5
4.5
1442.4
1193.5
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U14 Girls)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
4.0
1386.2
1432.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
63
South African Junior Closed Chess Championship 2024 (U14 Girls)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
4.0
1429.6
1445.6
Analysis
62
Westwood Open 2024 (A)
2024/04/13
2024/04/13
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1466.8
1499.0
Analysis
61
Benoni High Schools Cluster Individuals 2024 (U15 Girls)
2024/03/16
2024/03/16
Ekurhuleni (GE)
Rapid
45
0.74
5
5
4.5
1442.4
1193.5
Analysis
60
2024 Gauteng Inter-Region Chess Championship (U14 Girls)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
4.0
1386.2
1432.5
Analysis
59
Ekurhuleni North Chess Club 2023 (B)
2023/12/09
2023/12/09
Ekurhuleni (GE)
Rapid
30
0.60
7
6
2.0
1420.8
1253.6
Analysis
58
Gauteng Soncini Finals 2023 (Girls)
2023/10/28
2023/10/28
Ekurhuleni (GE)
Rapid
20
0.47
5
5
3.0
1416.9
1259.7
Analysis
57
2023 Gauteng Top Schools (U13 Girls)
2023/08/18
2023/08/18
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1419.8
1429.2
Analysis
56
2023 Ekurhuleni North District Schools Finals (U13)
2023/07/29
2023/07/29
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.5
1393.1
1413.7
Analysis
55
Gauteng Schools Individual Finals 2023 (U13 Girls)
2023/05/26
2023/05/26
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1290.3
1285.9
Analysis
54
Gauteng Open Arnold Classic 2023 (U16)
2023/05/19
2023/05/19
Tshwane (GTP)
Rapid
30
0.60
5
5
3.0
1290.3
1260.4
Analysis
53
Ekurhuleni North Schools Individual Finals 2023 (U13 Girls)
2023/05/12
2023/05/12
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1290.3
1285.9
Analysis
52
Ekurhuleni Trials 2 2023 (U14)
2023/04/22
2023/04/22
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1335.1
1330.7
Analysis
51
2023 South African Junior Closed Chess Championships (U14 Girls)
2023/03/31
2023/04/04
Chess South Africa (CSA)
Standard
120
1.00
9
8
3.0
1335.1
1330.7
Analysis
50
Ekhuruleni Chess Trials 1 2023 (U14)
2023/03/25
2023/03/25
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1341.8
1339.7
Analysis
49
Ekurhuleni Springs Open 4 March 2023 (C)
2023/03/04
2023/03/04
Ekurhuleni (GE)
Standard
62
0.84
5
5
2.0
1341.8
1339.7
Analysis
48
2022 South African Junior Wild Card Chess Championships (U14 Girls)
2022/12/09
2022/12/12
4 Knights (4K)
Standard
120
1.00
7
6
3.0
1456.8
1455.0
Analysis
47
2022 South African Junior Team Chess Championships (U14-U18 Girls)
2022/12/04
2022/12/08
4 Knights (4K)
Standard
120
1.00
7
6
0.0
1456.8
1455.0
Analysis
46
ACB Tournament 2022 (A)
2022/10/07
2022/10/08
Ekurhuleni (GE)
Standard
90
0.94
5
5
2.0
1487.2
1487.3
Analysis
45
2022 Gauteng Schools Team Championships (U13 Girls)
2022/08/27
2022/08/27
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1382.8
1371.1
Analysis
44
Ekurhuleni-North Schools Teams 2022 (U13 Girls)
2022/08/20
2022/08/20
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.5
1382.8
1371.1
Analysis
1
2
3
4
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
23
14
1
8
14.5
63.0
110.9
1346.1
1457.0
White
10
6
0
4
6.0
60.0
85.0
1354.0
1439.0
Black
13
8
1
4
8.5
65.4
130.8
1340.0
1470.8
Standard
All
18
10
0
8
10.0
55.6
47.2
1368.5
1415.7
White
8
4
0
4
4.0
50.0
0.0
1388.1
1388.1
Black
10
6
0
4
6.0
60.0
85.0
1352.9
1437.9
Rapid
All
5
4
1
0
4.5
90.0
340.0
1265.4
1605.4
White
2
2
0
0
2.0
100.0
425.0
1217.8
1642.8
Black
3
2
1
0
2.5
83.3
283.3
1297.1
1580.5
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
323
135
12
176
141.0
43.7
-53.9
1221.8
1167.9
White
165
67
3
95
68.5
41.5
-72.1
1222.3
1150.2
Black
158
68
9
81
72.5
45.9
-35.0
1221.4
1186.4
Standard
All
297
119
10
168
124.0
41.8
-70.1
1217.3
1147.1
White
153
57
3
93
58.5
38.2
-100.0
1222.1
1122.1
Black
144
62
7
75
65.5
45.5
-38.4
1212.1
1173.7
Rapid
All
26
16
2
8
17.0
65.4
130.8
1274.2
1404.9
White
12
10
0
2
10.0
83.3
283.3
1223.9
1507.3
Black
14
6
2
6
7.0
50.0
0.0
1317.2
1317.2
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
210088032
De Vasconcelos, T (Tiaana)
9
1.0
1
0
8
11.1
1215.7
-330.6
885.2
View list
2
210095050
Netshimbupfe, Y (Yoanda)
8
1.0
1
0
7
12.5
1083.0
-318.8
764.3
View list
3
209083780
Grootboom, C (Chante)
5
1.5
1
1
3
30.0
1353.4
-170.0
1183.4
View list
4
2100101517
Lovett, S (Saffron)
4
1.0
1
0
3
25.0
1058.0
-212.5
845.5
View list
5
210088596
Louw, N (Nova)
3
3.0
3
0
0
100.0
1308.1
425.0
1733.1
View list
6
1100106522
Van Der Merwe, J (Juan)
3
3.0
3
0
0
100.0
978.7
425.0
1403.7
View list
7
210095078
Minnaar, R (Rochelle)
3
2.5
2
1
0
83.3
1317.9
283.3
1601.3
View list
8
2110130015
Botha, C (Cathri Amari)
3
2.0
2
0
1
66.7
1176.0
141.7
1317.7
View list
9
2100107820
Labuschagne, M (Melindie)
3
2.0
2
0
1
66.7
1153.1
141.7
1294.8
View list
10
2100133964
Marais, J (Janike)
3
2.0
2
0
1
66.7
1123.9
141.7
1265.6
View list
11
210093902
Nickols, C (Christi)
3
1.5
1
1
1
50.0
983.8
0.0
983.8
View list
12
109084256
Hattingh, T (Tiaan)
3
1.0
1
0
2
33.3
1285.9
-141.7
1144.3
View list
13
2100109361
Pillay, K (Ketana)
3
1.0
1
0
2
33.3
1339.6
-141.7
1197.9
View list
14
210075201
Williams, A (Anika)
3
1.0
1
0
2
33.3
1241.3
-141.7
1099.6
View list
15
2090135221
Monteiro Correia, M (Maya)
3
0.5
0
1
2
16.7
1311.4
-283.3
1028.1
View list
16
110095048
Gibbens, A (Allan)
3
0.0
0
0
3
0.0
945.8
-425.0
520.8
View list
17
1100098187
Greeff, A (Andries)
3
0.0
0
0
3
0.0
1330.8
-425.0
905.8
View list
18
210086545
Steyn, A (Amelia)
3
0.0
0
0
3
0.0
1325.3
-425.0
900.3
View list
19
1110118672
Le Roux, R (Roland)
2
2.0
2
0
0
100.0
1303.6
425.0
1728.6
View list
20
1120109194
Liebenberg, WS (William Stephen)
2
2.0
2
0
0
100.0
987.5
425.0
1412.5
View list