Chess South Africa
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Chess South Africa
Botha, J (Jontie)
Dob:
2008/12/13 (U18)
Gender:
Male
Chess SA id:
1080107846
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2024/04/20 (28 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
1225.4
Curent Weighted rating
1191.9
Curent Weighted performance
1160.2
Current official/published rating (highest between Raw, WR and WP)
1225.4
Current floor (min rating allowed)
732.3
Current highest rating achieved
1232.3
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)
±159.9
Current Raw change used (final)
0.0
Projected new Raw rating
1225.4
Projected new Weighed rating
1194.9
Projected new Weighted performance
1160.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1225.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1232.3
Projected new floor
732.3
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
1228.2
Curent Weighted rating
1190.2
Curent Weighted performance
1156.7
Current official/published rating (highest between Raw, WR and WP)
1228.2
Current floor (min rating allowed)
737.6
Current highest rating achieved
1237.6
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)
±159.3
Current Raw change used (final)
0.0
Projected new Raw rating
1228.2
Projected new Weighed rating
1193.7
Projected new Weighted performance
1156.7
Projected new official/published rating (highest between new Raw, new WR and new WP)
1228.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1237.6
Projected new floor
737.6
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)
700.0
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
700.0
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)
700.0
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
700.0
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
Eden Chess Trials 2 2024 (U18)
2024/04/13
2024/04/20
Eden (WEG)
Standard
60
0.83
10
0
0.0
1225.4
1228.2
Analysis
3
Eden School Chess Trials 1 2024 (U18 Boys)
2024/03/09
2024/03/09
Eden District (WEG)
Standard
60
0.83
5
5
2.0
1232.3
1237.6
Analysis
2
OUDUSSA Trials 2 2024 (U18 Boys+Girls)
2024/02/17
2024/02/17
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1181.2
1178.0
Analysis
1
OUDUSSA Trials 1 2024 (U18 Boys)
2024/02/03
2024/02/03
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1181.2
1178.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
14
Eden Chess Trials 2 2024 (U18)
2024/04/13
2024/04/20
Eden (WEG)
Standard
60
0.83
10
0
0.0
1225.4
1228.2
Analysis
13
Eden School Chess Trials 1 2024 (U18 Boys)
2024/03/09
2024/03/09
Eden District (WEG)
Standard
60
0.83
5
5
2.0
1232.3
1237.6
Analysis
12
OUDUSSA Trials 2 2024 (U18 Boys+Girls)
2024/02/17
2024/02/17
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1181.2
1178.0
Analysis
11
OUDUSSA Trials 1 2024 (U18 Boys)
2024/02/03
2024/02/03
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1181.2
1178.0
Analysis
10
Eden Proewe 2 2022 (O15 Seuns)
2022/04/09
2022/04/09
Eden District (WEG)
Standard
65
0.85
5
4
2.0
1176.4
1172.0
Analysis
9
Eden Proewe 1 2022 (O15 Seuns)
2022/03/12
2022/03/12
Eden District (WEG)
Standard
65
0.85
5
4
2.0
1168.9
1161.6
Analysis
8
Eden Schools Closed Trials 1 2020 (U13 Boys)
2020/03/07
2020/03/07
Eden District (WEG)
Standard
65
0.85
5
5
2.0
1179.8
1174.4
Analysis
7
Oudtshoorn Proewe 1 2020 (O13)
2020/02/15
2020/02/15
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1173.2
1167.2
Analysis
6
Eden Trials 3 2019 (U12 Open)
2019/05/11
2019/05/11
Eden District (WEG)
Standard
60
0.83
5
4
2.0
1165.9
1159.2
Analysis
5
Eden Trials 2 2019 (U12 Open)
2019/04/13
2019/04/13
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1153.9
1144.4
Analysis
4
Eden Trials 1 2019 (U12 Open)
2019/03/02
2019/03/02
Eden District (WEG)
Standard
60
0.83
5
0
0.0
1153.9
1144.4
Analysis
3
Oudtshoorn Trials 3 2019 (U12)
2019/02/16
2019/02/16
Eden District (WEG)
Standard
60
0.83
5
5
3.5
1200.0
1200.0
Analysis
2
Oudtshoorn Trials 2 2019 (U12)
2019/02/09
2019/02/09
Eden District (WEG)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
1
Oudtshoorn Trials 1 2019 (U12)
2019/01/19
2019/01/19
Eden District (WEG)
Standard
60
0.83
5
0
0.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
15
7
2
6
8.0
53.3
28.3
1246.8
1275.2
White
8
4
1
3
4.5
56.3
53.1
1240.8
1294.0
Black
7
3
1
3
3.5
50.0
0.0
1253.7
1253.7
Standard
All
15
7
2
6
8.0
53.3
28.3
1246.8
1275.2
White
8
4
1
3
4.5
56.3
53.1
1240.8
1294.0
Black
7
3
1
3
3.5
50.0
0.0
1253.7
1253.7
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
52
25
5
22
27.5
52.9
24.5
1168.0
1192.5
White
27
16
2
9
17.0
63.0
110.2
1177.3
1287.5
Black
25
9
3
13
10.5
42.0
-68.0
1157.9
1089.9
Standard
All
52
25
5
22
27.5
52.9
24.5
1168.0
1192.5
White
27
16
2
9
17.0
63.0
110.2
1177.3
1287.5
Black
25
9
3
13
10.5
42.0
-68.0
1157.9
1089.9
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
108086225
May, M (Mehago)
3
0.0
0
0
3
0.0
1200.4
-425.0
775.4
View list
2
2080107828
Lingerveldt, S (Sunelda)
2
2.0
2
0
0
100.0
1190.6
425.0
1615.6
View list
3
1070193175
May, J (Joze)
2
2.0
2
0
0
100.0
1181.2
425.0
1606.2
View list
4
1080139265
Gelant, D (Damean)
2
0.5
0
1
1
25.0
1175.1
-212.5
962.6
View list
5
1070132015
Claassen, W (William)
1
1.0
1
0
0
100.0
1173.2
425.0
1598.2
View list
6
1080139262
Boezak, K (Kurt)
1
1.0
1
0
0
100.0
1168.9
425.0
1593.9
View list
7
1070107875
Bessie, A (Ashwill)
1
1.0
1
0
0
100.0
1181.2
425.0
1606.2
View list
8
1080131373
Frans, C (Chad)
1
1.0
1
0
0
100.0
1176.4
425.0
1601.4
View list
9
107961373
Ehlers, R (Ruben)
1
1.0
1
0
0
100.0
1179.8
425.0
1604.8
View list
10
108086224
Du Plessis, J (Jayden)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
11
1070193172
Du Plessis, A (Anthonio)
1
1.0
1
0
0
100.0
1181.2
425.0
1606.2
View list
12
1080107831
Deenik, J (Jared)
1
1.0
1
0
0
100.0
1153.9
425.0
1578.9
View list
13
209086643
Heunis, E (Ebine)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
14
108085285
Harker, C (Cassidy)
1
1.0
1
0
0
100.0
1165.9
425.0
1590.9
View list
15
107086236
Gordon, J (Jevonski)
1
1.0
1
0
0
100.0
1173.2
425.0
1598.2
View list
16
1080107832
Jantjies, D (Devon)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
17
1080107844
Avontuur, G (Gretin)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
18
107078111
Arendse, R (Rayden)
1
1.0
1
0
0
100.0
1168.9
425.0
1593.9
View list
19
107092948
Adams, A (Ashley)
1
1.0
1
0
0
100.0
1179.8
425.0
1604.8
View list
20
1070108559
Kiewiet, M (Melvin)
1
1.0
1
0
0
100.0
1176.4
425.0
1601.4
View list