Chess South Africa
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Chess South Africa
Botha, B (Brihan)
Dob:
2002/12/12 (Adult)
Gender:
Male
Chess SA id:
102082919
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2019/07/27 (1945 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
1111.7
Current Weighted rating
1111.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1111.7
Current highest rating achieved
1166.5
Current floor (min rating allowed)
666.5
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)
±188.0
Current Raw change used (final)
0.0
Projected new Raw rating
1111.7
Projected new Weighed rating
1022.8
Projected new Weighted performance
152.2
Projected new final Raw rating (if new WP > new Raw)
1111.7
Projected new highest rating
1166.5
Projected new floor
666.5
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1111.7
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
1099.2
Current Weighted rating
1099.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1099.2
Current highest rating achieved
1160.0
Current floor (min rating allowed)
660.0
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)
±191.4
Current Raw change used (final)
0.0
Projected new Raw rating
1099.2
Projected new Weighed rating
1011.3
Projected new Weighted performance
152.2
Projected new final Raw rating (if new WP > new Raw)
1099.2
Projected new highest rating
1160.0
Projected new floor
660.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1099.2
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
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)
±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
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
3
2019 D4 Tshwane South Schools League Team Finals (U19)
2019/07/27
2019/07/27
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1144.9
1134.4
Analysis
2
2018 D4 Tshwane South Schools League Finals (U19)
2018/08/04
2018/08/04
Tshwane (GTP)
Standard
60
0.83
5
2
0.0
1166.5
1160.0
Analysis
1
2018 D4 Tshwane North Individual Chess Championships (U19 Boys)
2018/03/10
2018/03/10
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
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
12
3
2
7
4.0
33.3
-141.7
1124.0
982.4
White
6
0
1
5
0.5
8.3
-354.2
1036.2
682.0
Black
6
3
1
2
3.5
58.3
70.8
1211.9
1282.8
Standard
All
12
3
2
7
4.0
33.3
-141.7
1124.0
982.4
White
6
0
1
5
0.5
8.3
-354.2
1036.2
682.0
Black
6
3
1
2
3.5
58.3
70.8
1211.9
1282.8
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
1010112484
Gounden, R (Regan)
1
1.0
1
0
0
100.0
1144.9
425.0
1569.9
View list
2
102089695
Nkabinde, M (Mthokozisi)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
102059491
Andrews, MH (Matthew)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
105006947
De Wet, J (Juan)
1
0.5
0
1
0
50.0
1144.9
0.0
1144.9
View list
5
101036703
Subbiah, KJ (Keshiv)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
6
102089706
Thom, L (Liam)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
7
204032285
Roberts, K (Kate)
1
0.0
0
0
1
0.0
1144.9
-425.0
719.9
View list
8
202028680
Oberholzer, I (Imarie)
1
0.0
0
0
1
0.0
1144.9
-425.0
719.9
View list
9
100016245
Koorts, WM (Wietzke)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
101070846
Gildenhuys, C (Christiaan)
1
0.0
0
0
1
0.0
1144.9
-425.0
719.9
View list
11
101059550
Du Toit, A (Adriaan)
1
0.0
0
0
1
0.0
1166.5
-425.0
741.5
View list
12
101006984
De Wet, R (Ryan)
1
0.0
0
0
1
0.0
1166.5
-425.0
741.5
View list
