Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Botha, T (Trevor Justus)
Dob:
2009/11/28 (U16)
Gender:
Male
Chess SA id:
1090101501
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2024/05/11 (46 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
1236.4
Current Weighted rating
1220.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1236.4
Current highest rating achieved
1236.4
Current floor (min rating allowed)
736.4
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)
±157.4
Current Raw change used (final)
0.0
Projected new Raw rating
1236.4
Projected new Weighed rating
1122.5
Projected new Weighted performance
818.7
Projected new final Raw rating (if new WP > new Raw)
1236.4
Projected new highest rating
1236.4
Projected new floor
736.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1236.4
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
1219.4
Current Weighted rating
1219.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1219.4
Current highest rating achieved
1221.6
Current floor (min rating allowed)
721.6
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)
±161.3
Current Raw change used (final)
0.0
Projected new Raw rating
1219.4
Projected new Weighed rating
1121.8
Projected new Weighted performance
185.9
Projected new final Raw rating (if new WP > new Raw)
1219.4
Projected new highest rating
1221.6
Projected new floor
721.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1219.4
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
1238.5
Current Weighted rating
1206.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1238.5
Current highest rating achieved
1238.5
Current floor (min rating allowed)
738.5
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)
±157.0
Current Raw change used (final)
0.0
Projected new Raw rating
1238.5
Projected new Weighed rating
1110.2
Projected new Weighted performance
752.9
Projected new final Raw rating (if new WP > new Raw)
1238.5
Projected new highest rating
1238.5
Projected new floor
738.5
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1238.5
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
2
Benoni Cluster High Schools Teams 2024 (U15)
2024/05/11
2024/05/11
Ekurhuleni (GE)
Rapid
45
0.74
5
5
3.0
1227.9
1223.0
Analysis
1
Benoni High Schools Cluster Individuals 2024 (U15 Boys)
2024/03/16
2024/03/16
Ekurhuleni (GE)
Rapid
45
0.74
5
5
3.0
1216.7
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
4
Benoni Cluster High Schools Teams 2024 (U15)
2024/05/11
2024/05/11
Ekurhuleni (GE)
Rapid
45
0.74
5
5
3.0
1227.9
1223.0
Analysis
3
Benoni High Schools Cluster Individuals 2024 (U15 Boys)
2024/03/16
2024/03/16
Ekurhuleni (GE)
Rapid
45
0.74
5
5
3.0
1216.7
1200.0
Analysis
2
Ekurhuleni North District Schools Final 2018 (U9)
2018/08/04
2018/08/04
Ekurhuleni (GE)
Standard
60
0.83
5
4
2.0
1217.9
1221.6
Analysis
1
Ekurhuleni North Schools Individuals 2018
2018/05/12
2018/05/12
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
10
6
0
4
6.0
60.0
85.0
1200.7
1285.7
White
5
3
0
2
3.0
60.0
85.0
1199.6
1284.6
Black
5
3
0
2
3.0
60.0
85.0
1201.8
1286.8
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
10
6
0
4
6.0
60.0
85.0
1200.7
1285.7
White
5
3
0
2
3.0
60.0
85.0
1199.6
1284.6
Black
5
3
0
2
3.0
60.0
85.0
1201.8
1286.8
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
19
11
0
8
11.0
57.9
67.1
1202.0
1269.1
White
9
6
0
3
6.0
66.7
141.7
1201.6
1343.3
Black
10
5
0
5
5.0
50.0
0.0
1202.3
1202.3
Standard
All
9
5
0
4
5.0
55.6
47.2
1203.5
1250.7
White
4
3
0
1
3.0
75.0
212.5
1204.2
1416.7
Black
5
2
0
3
2.0
40.0
-85.0
1202.9
1117.9
Rapid
All
10
6
0
4
6.0
60.0
85.0
1200.7
1285.7
White
5
3
0
2
3.0
60.0
85.0
1199.6
1284.6
Black
5
3
0
2
3.0
60.0
85.0
1201.8
1286.8
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
1000101483
Mkubalo, O (Olwethu)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1000101488
Mchaffie, S (Seth)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1000101486
Makghoto, S (Sebikoane Tebatso)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1100301186
Khalimashe, S (Siphesihle)
1
1.0
1
0
0
100.0
1216.7
425.0
1641.7
View list
5
1100301182
Coetser, W (Wian)
1
1.0
1
0
0
100.0
1216.7
425.0
1641.7
View list
6
2090101534
Cannon, NC (Natalie Christene)
1
1.0
1
0
0
100.0
1217.9
425.0
1642.9
View list
7
1090154895
Soobramoney, S (Skyler)
1
1.0
1
0
0
100.0
1227.9
425.0
1652.9
View list
8
1100305259
Sebola, T (Tumisho)
1
1.0
1
0
0
100.0
1227.9
425.0
1652.9
View list
9
2090154861
Wasserman, K (Kayleigh)
1
1.0
1
0
0
100.0
1227.9
425.0
1652.9
View list
10
1090105060
Viljoen, M (Megan)
1
1.0
1
0
0
100.0
1217.9
425.0
1642.9
View list
11
1090301200
Ugburo, B (Bemigho)
1
1.0
1
0
0
100.0
1216.7
425.0
1641.7
View list
12
1090154900
Ugboro, B (Bemigho)
1
0.0
0
0
1
0.0
1227.9
-425.0
802.9
View list
13
1090101493
Van Heerden, L (Llewellyn)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
14
1090144433
Ussuph, Y (Yahya)
1
0.0
0
0
1
0.0
1216.7
-425.0
791.7
View list
15
1090139565
Myburgh, X (Xuan)
1
0.0
0
0
1
0.0
1227.9
-425.0
802.9
View list
16
2090101537
Huebsch, J (Jessica)
1
0.0
0
0
1
0.0
1217.9
-425.0
792.9
View list
17
1090161976
Greenwood, D (Derick)
1
0.0
0
0
1
0.0
1216.7
-425.0
791.7
View list
18
1120117573
De Graaff, R (Ruben)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
19
1090101502
De Graaff, R (Ruben)
1
0.0
0
0
1
0.0
1217.9
-425.0
792.9
View list