Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Botha, C (Christiaan)
Dob:
2012/05/01 (U14)
Gender:
Male
Chess SA id:
1120160796
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2023/08/25 (457 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
1145.8
Current Weighted rating
1152.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1152.3
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)
±179.1
Current Raw change used (final)
0.0
Projected new Raw rating
1145.8
Projected new Weighed rating
1059.2
Projected new Weighted performance
494.6
Projected new final Raw rating (if new WP > new Raw)
1145.8
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)
1145.8
Projected effective change (new Official - current Official)
-6.5
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
1171.9
Current Weighted rating
1175.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1175.3
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)
±172.6
Current Raw change used (final)
0.0
Projected new Raw rating
1171.9
Projected new Weighed rating
1080.8
Projected new Weighted performance
302.3
Projected new final Raw rating (if new WP > new Raw)
1171.9
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)
1171.9
Projected effective change (new Official - current Official)
-3.4
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
1146.7
Current Weighted rating
1153.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1153.1
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)
±178.9
Current Raw change used (final)
0.0
Projected new Raw rating
1146.7
Projected new Weighed rating
1059.9
Projected new Weighted performance
266.1
Projected new final Raw rating (if new WP > new Raw)
1146.7
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)
1146.7
Projected effective change (new Official - current Official)
-6.4
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
2
2023 Gert Sibande League (B-Teams)
2023/08/25
2023/08/25
Gert Sibande (MGS)
Rapid
30
0.60
5
5
1.0
1200.0
1200.0
Analysis
1
2023 Gauteng Top Schools (U11 Mixed)
2023/08/18
2023/08/18
West Rand (GWR)
Standard
60
0.83
5
5
1.5
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
10
2
1
7
2.5
25.0
-212.5
1224.9
1012.4
White
5
0
1
4
0.5
10.0
-340.0
1260.4
920.4
Black
5
2
0
3
2.0
40.0
-85.0
1189.4
1104.4
Standard
All
5
1
1
3
1.5
30.0
-170.0
1248.4
1078.4
White
3
0
1
2
0.5
16.7
-283.3
1287.3
1004.0
Black
2
1
0
1
1.0
50.0
0.0
1190.1
1190.1
Rapid
All
5
1
0
4
1.0
20.0
-255.0
1201.3
946.3
White
2
0
0
2
0.0
0.0
-425.0
1220.0
795.0
Black
3
1
0
2
1.0
33.3
-141.7
1188.9
1047.2
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
2130160855
Sigasa, K (Karabo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1120161351
Fanelesibonge, N (Nkosi)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1130140134
Demosthenous, A (Alexi)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
4
1120130080
Van Der Merwe, W (Willem)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1110155563
Castles, A (Ayden)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
1100158797
Polenakis, G (George)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
7
2120135850
Phetu, N (Nompumelelo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
1110161357
Marede, M (Musawande)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
1100159381
Jacobs, R (Ruben)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
1120151740
Goodburn, D (Daniel)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list