Chess South Africa
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Chess South Africa
Jonas, Y (Yongisipho)
Dob:
2010/02/26 (U16)
Gender:
Male
Chess SA id:
1100134132
FIDE id:
Region:
Sarah Baartman (ESB)
Citizen:
RSA
Title(s):
Last active:
2024/07/27 (101 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
1508.4
Current Weighted rating
1452.8
Current Weighted performance
1460.0
Current official/published rating (highest between Raw, WR and WP)
1508.4
Current highest rating achieved
1508.4
Current floor (min rating allowed)
1008.4
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)
±106.9
Current Raw change used (final)
0.0
Projected new Raw rating
1508.4
Projected new Weighed rating
1338.1
Projected new Weighted performance
1460.0
Projected new final Raw rating (if new WP > new Raw)
1508.4
Projected new highest rating
1508.4
Projected new floor
1008.4
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1508.4
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
1515.8
Current Weighted rating
1446.8
Current Weighted performance
1458.8
Current official/published rating (highest between Raw, WR and WP)
1515.8
Current highest rating achieved
1515.8
Current floor (min rating allowed)
1015.8
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)
±105.7
Current Raw change used (final)
0.0
Projected new Raw rating
1515.8
Projected new Weighed rating
1333.3
Projected new Weighted performance
1458.8
Projected new final Raw rating (if new WP > new Raw)
1515.8
Projected new highest rating
1515.8
Projected new floor
1015.8
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1515.8
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
1454.2
Current Weighted rating
1445.1
Current Weighted performance
1207.2
Current official/published rating (highest between Raw, WR and WP)
1454.2
Current highest rating achieved
1454.2
Current floor (min rating allowed)
954.2
Current K-factor
32
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)
±115.4
Current Raw change used (final)
0.0
Projected new Raw rating
1454.2
Projected new Weighed rating
1329.7
Projected new Weighted performance
1207.2
Projected new final Raw rating (if new WP > new Raw)
1454.2
Projected new highest rating
1454.2
Projected new floor
954.2
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1454.2
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
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
9
SBDCU Closed Trials 2024 (U16 Boys)
2024/07/27
2024/07/27
Sarah Baartman (ESB)
Standard
62
0.84
5
0
0.0
1508.4
1515.8
Analysis
8
SBDCU Trial 3 2024 (U16)
2024/06/01
2024/06/01
Sarah Baartman (ESB)
Standard
62
0.84
5
5
4.5
1472.1
1468.8
Analysis
7
Aston Bay 2024 (Open)
2024/05/25
2024/05/25
Sarah Baartman (ESB)
Rapid
18
0.44
7
7
4.5
1472.1
1439.8
Analysis
6
Fountains Mall 2024 (B)
2024/05/17
2024/05/18
Sarah Baartman (ESB)
Standard
62
0.84
6
6
4.5
1476.7
1472.6
Analysis
5
Spartan Bishops Chess Championships 2024 (Knights)
2024/05/04
2024/05/05
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.5
1476.7
1472.6
Analysis
4
Kouga Mayor's Cup Final 2024 (U15)
2024/04/12
2024/04/13
Sarah Baartman (ESB)
Standard
62
0.84
5
5
4.5
1422.9
1409.2
Analysis
3
SBDCU Trial 2 2024 (U16)
2024/03/23
2024/03/23
Sarah Baartman (ESB)
Standard
62
0.84
5
5
4.5
1411.3
1404.1
Analysis
2
Jeffreys Bay CC Fide Rated Tournament 2024
2024/03/18
2024/03/26
Sarah Baartman (ESB)
Standard
62
0.84
5
3
0.5
1411.3
1404.1
Analysis
1
Kouga Mayor's Cup 2024 (U15)
2024/03/08
2024/03/09
Sarah Baartman (ESB)
Standard
62
0.84
6
5
4.0
1411.3
1404.1
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
31
SBDCU Closed Trials 2024 (U16 Boys)
2024/07/27
2024/07/27
Sarah Baartman (ESB)
Standard
62
0.84
5
0
0.0
1508.4
1515.8
Analysis
30
SBDCU Trial 3 2024 (U16)
2024/06/01
2024/06/01
Sarah Baartman (ESB)
Standard
62
0.84
5
5
4.5
1472.1
1468.8
Analysis
29
Aston Bay 2024 (Open)
2024/05/25
2024/05/25
Sarah Baartman (ESB)
Rapid
18
0.44
7
7
4.5
1472.1
1439.8
Analysis
28
Fountains Mall 2024 (B)
2024/05/17
2024/05/18
Sarah Baartman (ESB)
Standard
62
0.84
6
6
4.5
1476.7
1472.6
Analysis
27
Spartan Bishops Chess Championships 2024 (Knights)
2024/05/04
2024/05/05
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.5
1476.7
1472.6
Analysis
26
Kouga Mayor's Cup Final 2024 (U15)
2024/04/12
2024/04/13
Sarah Baartman (ESB)
Standard
62
0.84
5
5
4.5
1422.9
1409.2
Analysis
25
SBDCU Trial 2 2024 (U16)
2024/03/23
2024/03/23
Sarah Baartman (ESB)
Standard
62
0.84
5
5
4.5
1411.3
1404.1
Analysis
24
Jeffreys Bay CC Fide Rated Tournament 2024
2024/03/18
2024/03/26
Sarah Baartman (ESB)
Standard
62
0.84
5
3
0.5
1411.3
1404.1
Analysis
23
Kouga Mayor's Cup 2024 (U15)
2024/03/08
2024/03/09
Sarah Baartman (ESB)
Standard
62
0.84
6
5
4.0
1411.3
1404.1
Analysis
22
Eastern Cape Chess Team Championship 2023 (U14)
2023/10/07
2023/10/08
Sarah Baartman (ESB)
Standard
65
0.85
5
4
2.0
1398.5
1380.0
Analysis
21
Eastern Cape Provincial Individual Championship 2023 (U14 Boys)
2023/10/05
2023/10/05
Nelson Mandela Bay (ENM)
Standard
65
0.85
7
7
5.0
1398.5
1380.0
Analysis
20
SBDCU Closed Trials 2023 (U14 Boys)
2023/07/28
2023/07/29
Sarah Baartman (ESB)
Standard
65
0.85
6
6
4.0
1370.8
1335.4
Analysis
19
2023 EC Schools Provincial Winter Games (U15 Boys)
2023/06/02
2023/06/03
Buffalo City (EBC)
Standard
60
0.83
6
6
3.5
1387.3
1347.3
Analysis
18
Kouga Mayor's Cup Finals 2023 (U13)
2023/04/22
2023/04/22
Sarah Baartman (ESB)
Standard
62
0.84
6
6
3.5
1424.1
1375.7
Analysis
17
Kouga Mayor's Cup 2023 (U13)
2023/04/15
2023/04/15
Sarah Baartman (ESB)
Standard
62
0.84
6
6
4.5
1424.1
1375.7
Analysis
16
SBDCU Trial 2 2023 (U14 Boys)
2023/04/01
2023/04/01
Sarah Baartman (ESB)
Standard
62
0.84
5
5
2.5
1424.1
1375.7
Analysis
15
Jefreys Bay Chess Club Rapid 10 November 2022
2022/11/10
2022/11/10
Sarah Baartman (ESB)
Rapid
12
0.33
5
5
3.0
1410.3
1373.6
Analysis
14
Victory 4 All Chess Championship 2022
2022/11/05
2022/11/05
Sarah Baartman (ESB)
Rapid
12
0.33
7
7
6.5
1410.3
1373.6
Analysis
13
Jeffreys Bay Chess Club Rapid October 1 2022
2022/10/19
2022/10/19
Sarah Baartman (ESB)
Rapid
12
0.33
5
5
4.0
1418.5
1341.9
Analysis
12
Eatern Cape Provincial Chess Championship 2022 (U14 Boys)
2022/10/01
2022/10/01
Sarah Baartman (ESB)
Standard
65
0.85
7
7
4.0
1418.5
1380.0
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
41
26
7
8
29.5
72.0
186.6
1339.6
1526.2
White
21
12
5
4
14.5
69.0
161.9
1345.4
1507.3
Black
20
14
2
4
15.0
75.0
212.5
1333.6
1546.1
Standard
All
34
22
6
6
25.0
73.5
200.0
1329.0
1529.0
White
18
11
4
3
13.0
72.2
188.9
1332.7
1521.6
Black
16
11
2
3
12.0
75.0
212.5
1324.8
1537.3
Rapid
All
7
4
1
2
4.5
64.3
121.4
1391.4
1512.9
White
3
1
1
1
1.5
50.0
0.0
1421.8
1421.8
Black
4
3
0
1
3.0
75.0
212.5
1368.7
1581.2
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
177
108
19
50
117.5
66.4
139.3
1272.8
1412.1
White
85
53
10
22
58.0
68.2
155.0
1277.1
1432.1
Black
92
55
9
28
59.5
64.7
124.7
1268.9
1393.6
Standard
All
120
71
16
33
79.0
65.8
134.6
1281.1
1415.7
White
59
36
7
16
39.5
66.9
144.1
1286.3
1430.4
Black
61
35
9
17
39.5
64.8
125.4
1276.0
1401.4
Rapid
All
57
37
3
17
38.5
67.5
149.1
1255.4
1404.6
White
26
17
3
6
18.5
71.2
179.8
1256.0
1435.9
Black
31
20
0
11
20.0
64.5
123.4
1254.9
1378.3
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
1090134130
Dube, M (Misheck)
6
3.5
3
1
2
58.3
1300.5
70.8
1371.3
View list
2
1100112031
Moolman, A (Anrico)
6
3.0
2
2
2
50.0
1386.8
0.0
1386.8
View list
3
2100134129
Bruton, FE (Faith Elizabeth)
5
5.0
5
0
0
100.0
1277.3
425.0
1702.3
View list
4
1090134449
Salie, R (Riaz)
5
3.0
3
0
2
60.0
1396.7
85.0
1481.7
View list
5
1100137429
Budaza, L (Ludwe)
5
2.5
2
1
2
50.0
1397.3
0.0
1397.3
View list
6
1110111051
Stuurman, P (Pedro)
5
1.0
1
0
4
20.0
1321.6
-255.0
1066.6
View list
7
2100140917
Maziena, L (Lavanya)
4
4.0
4
0
0
100.0
1418.5
425.0
1843.5
View list
8
1090134448
Krieger, BCJ (Brian)
4
2.0
2
0
2
50.0
1359.6
0.0
1359.6
View list
9
1100147609
Handley, C (Christopher Michael)
4
2.0
1
2
1
50.0
1436.1
0.0
1436.1
View list
10
1070134135
Munemo, T (Tadiwa)
4
0.0
0
0
4
0.0
1314.5
-425.0
889.5
View list
11
2060153614
Janse Van Rensburg, S (Sanmarie)
3
3.0
3
0
0
100.0
1342.9
425.0
1767.9
View list
12
1090134133
Louis, J (Jayheem)
3
3.0
3
0
0
100.0
1272.0
425.0
1697.0
View list
13
1080134136
Terblanche, N (Nathaniel-Jayoen)
3
2.0
2
0
1
66.7
1342.9
141.7
1484.6
View list
14
1100142409
Booysen, B (Bryain-Luke Hilton)
3
1.5
0
3
0
50.0
1431.6
0.0
1431.6
View list
15
109077429
Le Roux, JC (Jean)
3
1.0
1
0
2
33.3
1369.6
-141.7
1227.9
View list
16
1110137433
Howell, C (Conor)
2
2.0
2
0
0
100.0
1411.3
425.0
1836.3
View list
17
1090137434
Idziradzemhuka, W (Walter)
2
2.0
2
0
0
100.0
1236.8
425.0
1661.8
View list
18
1110135615
Mokhanya, I (Inganathi)
2
2.0
2
0
0
100.0
1298.0
425.0
1723.0
View list
19
1100151705
Perils, H (Heinrich)
2
2.0
2
0
0
100.0
1417.7
425.0
1842.7
View list
20
1090137441
Myburgh, B (Bruce)
2
1.5
1
1
0
75.0
1435.3
212.5
1647.8
View list