Chess South Africa
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Chess South Africa
Botha, JF (Julian)
Dob:
1973/07/30 (Adult)
Gender:
Male
Chess SA id:
173086742
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
RA
Last active:
2024/02/17 (92 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
1156.9
Curent Weighted rating
1106.7
Curent Weighted performance
1146.1
Current official/published rating (highest between Raw, WR and WP)
1156.9
Current floor (min rating allowed)
656.9
Current highest rating achieved
1156.9
Current K-factor
40
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)
±176.3
Current Raw change used (final)
0.0
Projected new Raw rating
1156.9
Projected new Weighed rating
1113.0
Projected new Weighted performance
1146.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1156.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1156.9
Projected new floor
656.9
Projected new K-facor
40
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
1070.8
Curent Weighted rating
1054.2
Curent Weighted performance
776.4
Current official/published rating (highest between Raw, WR and WP)
1070.8
Current floor (min rating allowed)
570.8
Current highest rating achieved
1070.8
Current K-factor
40
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)
±199.3
Current Raw change used (final)
0.0
Projected new Raw rating
1070.8
Projected new Weighed rating
1056.6
Projected new Weighted performance
776.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1070.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1070.8
Projected new floor
570.8
Projected new K-facor
40
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
1000.8
Curent Weighted rating
948.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1000.8
Current floor (min rating allowed)
500.8
Current highest rating achieved
1000.8
Current K-factor
40
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)
±220.2
Current Raw change used (final)
0.0
Projected new Raw rating
1000.8
Projected new Weighed rating
955.3
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1000.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1000.8
Projected new floor
500.8
Projected new K-facor
40
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
823.6
Curent Weighted rating
823.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
823.6
Current floor (min rating allowed)
500.8
Current highest rating achieved
823.6
Current K-factor
40
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)
±283.5
Current Raw change used (final)
0.0
Projected new Raw rating
823.6
Projected new Weighed rating
823.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
823.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
823.6
Projected new floor
500.8
Projected new K-facor
40
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Gear Up Mzansi Rapid 2024 (Advanced)
2024/02/17
2024/02/17
Johannesburg Metro (GJM)
Rapid
35
0.66
5
5
2.0
1125.2
955.2
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
11
Gear Up Mzansi Rapid 2024 (Advanced)
2024/02/17
2024/02/17
Johannesburg Metro (GJM)
Rapid
35
0.66
5
5
2.0
1125.2
955.2
Analysis
10
Mzansi Spring Rapid 2023
2023/09/02
2023/09/02
Johannesburg Metro (GJM)
Rapid
15
0.39
7
7
2.0
1107.9
949.6
Analysis
9
JMC Trinity Little Falls 2023 (B)
2023/07/02
2023/07/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.5
1067.7
1016.0
Analysis
8
Mzansi Rapid 2023 (Intermediate)
2023/02/04
2023/02/04
Johannesburg Metro (GJM)
Rapid
25
0.54
6
6
3.5
1012.0
825.6
Analysis
7
JMC Trials 1 - Laerskool Fontainebleau 2022 (Open)
2022/07/24
2022/07/24
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
0.5
1023.6
1030.0
Analysis
6
JNW Chess Club - Muldersdrif 2019 (B)
2019/10/18
2019/10/18
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.5
970.5
964.8
Analysis
5
JNW Club - Trinityhouse Little Falls Open 2019 (Adult)
2019/02/23
2019/02/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.5
914.4
932.0
Analysis
4
South African Junior Blitz 2018 (Open)
2018/12/19
2018/12/19
4 Knights (4K)
Blitz
5
0.18
7
6
0.0
914.6
825.6
Analysis
3
JNW Club - Maragon Open 2018 (B)
2018/08/04
2018/08/04
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.5
890.4
905.6
Analysis
2
JNW Club - Linden Open 2018 (B)
2018/04/14
2018/04/14
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.5
835.6
838.4
Analysis
1
JNW Club - Trinityhouse Randpark Ridge Open 2018 (B)
2018/03/24
2018/03/24
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.0
825.6
825.6
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
2
0
3
2.0
40.0
-85.0
1423.6
1338.6
White
3
1
0
2
1.0
33.3
-141.7
1431.2
1289.6
Black
2
1
0
1
1.0
50.0
0.0
1412.1
1412.1
Standard
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
Rapid
All
5
2
0
3
2.0
40.0
-85.0
1423.6
1338.6
White
3
1
0
2
1.0
33.3
-141.7
1431.2
1289.6
Black
2
1
0
1
1.0
50.0
0.0
1412.1
1412.1
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
59
16
7
36
19.5
33.1
-144.1
1323.3
1179.3
White
28
9
4
15
11.0
39.3
-91.1
1328.1
1237.1
Black
31
7
3
21
8.5
27.4
-191.9
1319.0
1127.1
Standard
All
35
9
6
20
12.0
34.3
-133.6
1235.3
1101.7
White
16
5
4
7
7.0
43.8
-53.1
1226.5
1173.3
Black
19
4
2
13
5.0
26.3
-201.3
1242.7
1041.4
Rapid
All
18
7
1
10
7.5
41.7
-70.8
1412.4
1341.6
White
9
4
0
5
4.0
44.4
-47.2
1400.2
1353.0
Black
9
3
1
5
3.5
38.9
-94.4
1424.7
1330.3
Blitz
All
6
0
0
6
0.0
0.0
-425.0
1569.6
1144.6
White
3
0
0
3
0.0
0.0
-425.0
1654.3
1229.3
Black
3
0
0
3
0.0
0.0
-425.0
1484.9
1059.9
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1140135557
Thorulsley, K (Kairaav)
2
1.5
1
1
0
75.0
1068.6
212.5
1281.1
View list
2
1770107734
Badenhorst, N (Nicolaas Jacobus)
2
1.0
1
0
1
50.0
1011.2
0.0
1011.2
View list
3
204057236
Naicker, K (Kerri-Anne)
2
0.5
0
1
1
25.0
863.0
-212.5
650.5
View list
4
2110143800
Naidoo, D (Dhiya)
2
0.0
0
0
2
0.0
1039.8
-425.0
614.8
View list
5
1050113409
Harris, O (Oliver)
1
1.0
1
0
0
100.0
970.5
425.0
1395.5
View list
6
1110133417
Govender, C (Cadin)
1
1.0
1
0
0
100.0
1012.0
425.0
1437.0
View list
7
204079859
Fauconier, C (Caley)
1
1.0
1
0
0
100.0
970.5
425.0
1395.5
View list
8
2690110065
Dinham, J (Jenny)
1
1.0
1
0
0
100.0
914.4
425.0
1339.4
View list
9
208071873
Chinoruma, T (Tawana)
1
1.0
1
0
0
100.0
890.4
425.0
1315.4
View list
10
1990099595
Bogdanov, P (Peter)
1
1.0
1
0
0
100.0
825.6
425.0
1250.6
View list
11
1100113805
Bijker, W (Waldo)
1
1.0
1
0
0
100.0
1012.0
425.0
1437.0
View list
12
104003385
Breckenridge, D (Daniel)
1
1.0
1
0
0
100.0
835.6
425.0
1260.6
View list
13
207069536
Boshoma, C (Chisomo)
1
1.0
1
0
0
100.0
835.6
425.0
1260.6
View list
14
2120130719
Jacobs, L (Lillith)
1
1.0
1
0
0
100.0
1067.7
425.0
1492.7
View list
15
1710110066
Moolman, C (Conri)
1
1.0
1
0
0
100.0
914.4
425.0
1339.4
View list
16
194030356
Pillay, N (Nico)
1
1.0
1
0
0
100.0
1125.2
425.0
1550.2
View list
17
1120161577
Tierney, G (Grayson)
1
1.0
1
0
0
100.0
1107.9
425.0
1532.9
View list
18
1740149136
Whittaker, G (Gregory)
1
1.0
1
0
0
100.0
1012.0
425.0
1437.0
View list
19
1100133076
Hazelton-Lagarrigue, V (Vincent)
1
0.5
0
1
0
50.0
1067.7
0.0
1067.7
View list
20
175073191
Bester, M (Morne)
1
0.5
0
1
0
50.0
914.4
0.0
914.4
View list