Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Botha, A (Marnus)
Dob:
2012/04/01 (U14)
Gender:
Male
Chess SA id:
1120149333
FIDE id:
Region:
Capricorn (LCP)
Citizen:
RSA
Title(s):
Last active:
2024/04/27 (57 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
1242.2
Current Weighted rating
1243.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1243.2
Current highest rating achieved
1249.1
Current floor (min rating allowed)
749.1
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)
±156.1
Current Raw change used (final)
0.0
Projected new Raw rating
1242.2
Projected new Weighed rating
1144.5
Projected new Weighted performance
951.2
Projected new final Raw rating (if new WP > new Raw)
1242.2
Projected new highest rating
1249.1
Projected new floor
749.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1242.2
Projected effective change (new Official - current Official)
-1.0
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
1246.6
Current Weighted rating
1250.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1250.9
Current highest rating achieved
1255.6
Current floor (min rating allowed)
755.6
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)
±155.2
Current Raw change used (final)
0.0
Projected new Raw rating
1246.6
Projected new Weighed rating
1151.7
Projected new Weighted performance
951.2
Projected new final Raw rating (if new WP > new Raw)
1246.6
Projected new highest rating
1255.6
Projected new floor
755.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1246.6
Projected effective change (new Official - current Official)
-4.3
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.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
2
NABOOMSPAR Open Chess Tournament 2024 (Open)
2024/04/27
2024/04/27
Waterberg (LWM)
Standard
60
0.83
5
5
2.0
1247.6
1255.6
Analysis
1
Capricorn District Chess Junior Qualifying Tournament 2024 (U14)
2024/02/03
2024/02/03
Capricorn (LCP)
Standard
60
0.83
5
5
2.5
1249.1
1258.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
3
NABOOMSPAR Open Chess Tournament 2024 (Open)
2024/04/27
2024/04/27
Waterberg (LWM)
Standard
60
0.83
5
5
2.0
1247.6
1255.6
Analysis
2
Capricorn District Chess Junior Qualifying Tournament 2024 (U14)
2024/02/03
2024/02/03
Capricorn (LCP)
Standard
60
0.83
5
5
2.5
1249.1
1258.8
Analysis
1
Capricorn Qualifying February 4th 2023 (U12)
2023/02/04
2023/02/04
Capricorn (LCP)
Standard
60
0.83
5
5
4.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
10
4
1
5
4.5
45.0
-42.5
1271.6
1229.1
White
5
4
0
1
4.0
80.0
255.0
1202.8
1457.8
Black
5
0
1
4
0.5
10.0
-340.0
1340.3
1000.3
Standard
All
10
4
1
5
4.5
45.0
-42.5
1271.6
1229.1
White
5
4
0
1
4.0
80.0
255.0
1202.8
1457.8
Black
5
0
1
4
0.5
10.0
-340.0
1340.3
1000.3
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
15
8
1
6
8.5
56.7
56.7
1244.4
1301.1
White
7
5
0
2
5.0
71.4
182.1
1204.5
1386.6
Black
8
3
1
4
3.5
43.8
-53.1
1279.3
1226.2
Standard
All
15
8
1
6
8.5
56.7
56.7
1244.4
1301.1
White
7
5
0
2
5.0
71.4
182.1
1204.5
1386.6
Black
8
3
1
4
3.5
43.8
-53.1
1279.3
1226.2
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
2130141025
Moyo, K (Kayla)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
2130149360
Mothapo, R (Reatlegile)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1120149358
Mokoena, Z (Zwelahke)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1090192346
Mashamaite, L (Lehlogonolo)
1
1.0
1
0
0
100.0
1247.6
425.0
1672.6
View list
5
1110151940
Mapheto, O (Onkukame)
1
1.0
1
0
0
100.0
1249.1
425.0
1674.1
View list
6
2130145379
Mafafo, OM (Oletta)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
106058817
Muller, N (Nicolas)
1
1.0
1
0
0
100.0
1247.6
425.0
1672.6
View list
8
1120151927
Shaku, T (Thabisang)
1
1.0
1
0
0
100.0
1249.1
425.0
1674.1
View list
9
1120141034
Bergh, M (Martin)
1
0.5
0
1
0
50.0
1249.1
0.0
1249.1
View list
10
1120149378
Tebeila, L (Leago)
1
0.0
0
0
1
0.0
1247.6
-425.0
822.6
View list
11
1110145391
Ngele, P (Phomelelo)
1
0.0
0
0
1
0.0
1249.1
-425.0
824.1
View list
12
1120149363
Mphahlele, P (Phetolo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
13
180015065
Kekana, M (Msiza)
1
0.0
0
0
1
0.0
1247.6
-425.0
822.6
View list
14
1090302874
Du Plooy, H (Heinru)
1
0.0
0
0
1
0.0
1247.6
-425.0
822.6
View list
15
1110135582
Malema, T (Thabile)
1
0.0
0
0
1
0.0
1249.1
-425.0
824.1
View list