Chess South Africa
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Chess South Africa
Botha, J (Joshua)
Dob:
2007/12/13 (U18)
Gender:
Male
Chess SA id:
1070099823
FIDE id:
Region:
Overberg (WOS)
Citizen:
RSA
Title(s):
Last active:
2020/03/15 (1564 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
1275.7
Current Weighted rating
1275.7
Current Weighted performance
592.0
Current official/published rating (highest between Raw, WR and WP)
1275.7
Current highest rating achieved
1275.7
Current floor (min rating allowed)
775.7
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)
±148.9
Current Raw change used (final)
0.0
Projected new Raw rating
1275.7
Projected new Weighed rating
1173.6
Projected new Weighted performance
592.0
Projected new final Raw rating (if new WP > new Raw)
1275.7
Projected new highest rating
1275.7
Projected new floor
775.7
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1275.7
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
1208.8
Current Weighted rating
1208.8
Current Weighted performance
551.9
Current official/published rating (highest between Raw, WR and WP)
1208.8
Current highest rating achieved
1208.8
Current floor (min rating allowed)
708.8
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)
±163.7
Current Raw change used (final)
0.0
Projected new Raw rating
1208.8
Projected new Weighed rating
1112.1
Projected new Weighted performance
551.9
Projected new final Raw rating (if new WP > new Raw)
1208.8
Projected new highest rating
1208.8
Projected new floor
708.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1208.8
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
1220.0
Current Weighted rating
1220.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1220.0
Current highest rating achieved
1220.0
Current floor (min rating allowed)
720.0
Current K-factor
36
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)
±161.2
Current Raw change used (final)
0.0
Projected new Raw rating
1220.0
Projected new Weighed rating
1122.4
Projected new Weighted performance
179.6
Projected new final Raw rating (if new WP > new Raw)
1220.0
Projected new highest rating
1220.0
Projected new floor
720.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1220.0
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.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
7
Overberg Closed 2020 (U13 Boys)
2020/03/15
2020/03/15
Overberg (WOS)
Standard
60
0.83
5
5
3.5
1075.3
1046.0
Analysis
6
OCF Chess Tournament 3 2020 (U14)
2020/03/07
2020/03/07
Overberg (WOS)
Standard
60
0.83
5
5
4.0
1075.3
1046.0
Analysis
5
OCF Chess Tournament 2 2020 (U14)
2020/02/01
2020/02/01
Overberg (WOS)
Standard
60
0.83
5
5
3.0
1030.1
978.8
Analysis
4
OCF Open 2020 (U14)
2020/01/25
2020/01/25
Overberg (WOS)
Rapid
15
0.39
5
5
3.0
1011.8
1200.0
Analysis
3
Overberg School Chess Close Champs 2019 (U13 Boys)
2019/03/08
2019/03/09
Overberg (WOS)
Standard
60
0.83
6
5
1.0
1058.9
1030.0
Analysis
2
Western Cape Schools Individuals 2018 (U11 Boys)
2018/05/19
2018/05/20
Overberg (WOS)
Standard
60
0.83
6
6
0.0
1183.7
1180.4
Analysis
1
Overberg Schools Closed 2018 (U11 Boys)
2018/03/23
2018/03/23
Overberg (WOS)
Standard
60
0.83
6
6
3.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
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
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
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
37
17
2
18
18.0
48.6
-11.5
1113.3
1101.8
White
18
7
1
10
7.5
41.7
-70.8
1131.7
1060.8
Black
19
10
1
8
10.5
55.3
44.7
1095.8
1140.6
Standard
All
32
14
2
16
15.0
46.9
-26.6
1112.2
1085.7
White
16
6
1
9
6.5
40.6
-79.7
1122.6
1042.9
Black
16
8
1
7
8.5
53.1
26.6
1101.9
1128.5
Rapid
All
5
3
0
2
3.0
60.0
85.0
1119.9
1204.9
White
2
1
0
1
1.0
50.0
0.0
1204.5
1204.5
Black
3
2
0
1
2.0
66.7
141.7
1063.6
1205.2
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
107091560
Fourie, T (Tristan)
2
2.0
2
0
0
100.0
1035.3
425.0
1460.3
View list
2
108091550
Pekeur, A (Aiden)
2
2.0
2
0
0
100.0
1052.7
425.0
1477.7
View list
3
1070100613
Gabriels, J (Jawon)
2
1.0
1
0
1
50.0
1075.3
0.0
1075.3
View list
4
108089032
Steenkamp, L (Luka)
2
1.0
1
0
1
50.0
1137.7
0.0
1137.7
View list
5
108068744
Mfundisi, M (Mlibo)
2
1.0
0
2
0
50.0
1137.7
0.0
1137.7
View list
6
108091557
Bester, HN (Hugo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
2080130182
Johnson, G (Gabriella)
1
1.0
1
0
0
100.0
1030.1
425.0
1455.1
View list
8
1070133318
Jayiya, L (Lihle)
1
1.0
1
0
0
100.0
1075.3
425.0
1500.3
View list
9
1070116664
Odigie, M (Mark)
1
1.0
1
0
0
100.0
1075.3
425.0
1500.3
View list
10
1070110750
Nel, A (Aj)
1
1.0
1
0
0
100.0
1011.8
425.0
1436.8
View list
11
1070099827
Nale, G (Griffin)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
12
185025525
Mouton, JP (Jean)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
13
1080133397
Hansen, J (Javen)
1
1.0
1
0
0
100.0
1075.3
425.0
1500.3
View list
14
1080130335
Liya, B (Boyi)
1
1.0
1
0
0
100.0
1030.1
425.0
1455.1
View list
15
208094918
Mdlokovane, S (Sphendulwe)
1
1.0
1
0
0
100.0
1075.3
425.0
1500.3
View list
16
2070130194
Uys, J (Janke)
1
1.0
1
0
0
100.0
1011.8
425.0
1436.8
View list
17
1070096281
Louw, G (Ghrislan)
1
0.0
0
0
1
0.0
1183.7
-425.0
758.7
View list
18
107087100
Knoesen, Z (Zichri)
1
0.0
0
0
1
0.0
1183.7
-425.0
758.7
View list
19
1070111313
Kelly, L (Luke)
1
0.0
0
0
1
0.0
1058.9
-425.0
633.9
View list
20
107089399
Jacobs, A (Aiden)
1
0.0
0
0
1
0.0
1183.7
-425.0
758.7
View list