Chess South Africa
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Chess South Africa
Botha, M (Marcus)
Dob:
2005/12/15 (U20)
Gender:
Male
Chess SA id:
105082260
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2023/03/04 (442 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
1205.5
Curent Weighted rating
1197.9
Curent Weighted performance
840.3
Current official/published rating (highest between Raw, WR and WP)
1205.5
Current floor (min rating allowed)
705.5
Current highest rating achieved
1205.5
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)
±164.5
Current Raw change used (final)
0.0
Projected new Raw rating
1205.5
Projected new Weighed rating
1199.4
Projected new Weighted performance
840.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1205.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1205.5
Projected new floor
705.5
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
1178.2
Curent Weighted rating
1167.3
Curent Weighted performance
821.6
Current official/published rating (highest between Raw, WR and WP)
1178.2
Current floor (min rating allowed)
678.2
Current highest rating achieved
1178.2
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)
±171.0
Current Raw change used (final)
0.0
Projected new Raw rating
1178.2
Projected new Weighed rating
1169.5
Projected new Weighted performance
821.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1178.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1178.2
Projected new floor
678.2
Projected new K-facor
40
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
717.3
Curent Weighted rating
676.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
717.3
Current floor (min rating allowed)
500.0
Current highest rating achieved
717.3
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)
±329.8
Current Raw change used (final)
0.0
Projected new Raw rating
717.3
Projected new Weighed rating
680.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
717.3
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
717.3
Projected new floor
500.0
Projected new K-facor
40
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
500.0
Curent Weighted rating
500.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
500.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
500.0
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)
±449.5
Current Raw change used (final)
0.0
Projected new Raw rating
500.0
Projected new Weighed rating
500.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
500.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
500.0
Projected new floor
500.0
Projected new K-facor
40
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
24
JNW Open - Crawford 2023 (C)
2023/03/04
2023/03/04
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.5
1154.7
1105.8
Analysis
23
2022 Gauteng Interregion (U20 Open)
2022/02/26
2022/02/26
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1194.9
1142.2
Analysis
22
JNW Club - Junior A High School 2020
2020/03/07
2020/03/07
Johannesburg Metro (GJM)
Rapid
30
0.60
5
5
4.0
1151.1
500.0
Analysis
21
JNW Club - Trinityhouse Randpark Ridge Open 2020 (D)
2020/02/22
2020/02/22
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
990.9
986.6
Analysis
20
Grey College Team Championship 2020 (B)
2020/01/31
2020/02/01
Mangaung (FMB)
Standard
60
0.83
5
5
4.0
990.9
986.6
Analysis
19
2019 South African Junior Team Championships (U16D)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
6
1.0
1010.9
1009.8
Analysis
18
GJM vs GE Inter Region 2019 (U16C)
2019/10/05
2019/10/05
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.0
1007.6
1007.0
Analysis
17
JNW Club - Maragon Open 2019 (D)
2019/08/03
2019/08/03
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1007.6
1008.2
Analysis
16
JHB Metro Closed 2019 (U16)
2019/07/27
2019/07/28
Johannesburg Metro (GJM)
Standard
90
0.94
6
6
0.0
1040.2
1032.2
Analysis
15
JNW Club - Helpmekaar Kollege Open 2019 (D)
2019/07/06
2019/07/06
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1040.2
1032.2
Analysis
14
JNW Club - Hoerskool Linden 2019 (D)
2019/06/15
2019/06/15
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1077.4
1074.2
Analysis
13
The Metro Open 2019 (Masters)
2019/05/25
2019/05/26
Johannesburg Metro (GJM)
Standard
90
0.94
6
6
2.5
1042.2
1040.4
Analysis
12
Chessnuts Under 1200 27 April 2019 (Knights)
2019/04/27
2019/04/27
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
875.1
858.9
Analysis
11
JNW Club - Charterhouse Open 2019 (D)
2019/04/13
2019/04/13
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
875.1
858.9
Analysis
10
JNW Club - Trinityhouse Randpark Ridge Open 2019 (D)
2019/03/09
2019/03/09
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
0.0
927.6
919.3
Analysis
9
JNW Club - Trinityhouse Little Falls Open 2019 (D)
2019/02/23
2019/02/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
957.1
951.7
Analysis
8
South African Junior Team Championships 2018 (U14D)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
4.0
943.1
938.1
Analysis
7
Inter Region GE vs JHB Metro 2018 (U14E)
2018/10/06
2018/10/06
Ekurhuleni (GE)
Standard
60
0.83
5
3
1.0
936.7
937.0
Analysis
6
JNW Club - Maragon Open 2018 (D)
2018/08/04
2018/08/04
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
797.3
798.8
Analysis
5
JHB Metro Junior Closed 2018 (U14)
2018/07/28
2018/07/29
Johannesburg Metro (GJM)
Standard
90
0.94
6
6
2.0
617.2
642.0
Analysis
1
2
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
124
53
2
69
54.0
43.5
-54.8
1063.7
1008.8
White
60
22
2
36
23.0
38.3
-99.2
1058.4
959.2
Black
64
31
0
33
31.0
48.4
-13.3
1068.6
1055.3
Standard
All
119
49
2
68
50.0
42.0
-67.9
1060.6
992.8
White
58
21
2
35
22.0
37.9
-102.6
1059.1
956.5
Black
61
28
0
33
28.0
45.9
-34.8
1062.1
1027.3
Rapid
All
5
4
0
1
4.0
80.0
255.0
1135.6
1390.6
White
2
1
0
1
1.0
50.0
0.0
1039.1
1039.1
Black
3
3
0
0
3.0
100.0
425.0
1200.0
1625.0
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
204077255
De Abreu, A (Alexia Sally)
3
1.0
1
0
2
33.3
1052.6
-141.7
910.9
View list
2
104055372
Mali, M (Moneri)
2
1.0
1
0
1
50.0
1023.9
0.0
1023.9
View list
3
208073206
Fauconier, A (Amber)
2
0.0
0
0
2
0.0
687.5
-425.0
262.5
View list
4
204079859
Fauconier, C (Caley)
2
0.0
0
0
2
0.0
801.7
-425.0
376.7
View list
5
105081177
Pather, J (Juveshan)
2
0.0
0
0
2
0.0
942.4
-425.0
517.4
View list
6
1080099597
Rossouw, W (Wessel Johannes)
2
0.0
0
0
2
0.0
506.3
-425.0
81.3
View list
7
1100111813
Akula, K (Kishan)
1
1.0
1
0
0
100.0
1040.2
425.0
1465.2
View list
8
106056845
Buhrmann, J (Johann)
1
1.0
1
0
0
100.0
875.1
425.0
1300.1
View list
9
1080098200
Carter, D (Dylan)
1
1.0
1
0
0
100.0
563.1
425.0
988.1
View list
10
2100103528
Chungupengu, N (Nicolette)
1
1.0
1
0
0
100.0
990.9
425.0
1415.9
View list
11
1060099596
De Bruyn, L (Luke)
1
1.0
1
0
0
100.0
500.0
425.0
925.0
View list
12
1080107294
De Bruyn, E (Eric)
1
1.0
1
0
0
100.0
875.1
425.0
1300.1
View list
13
205067320
De Beer, J (Janka)
1
1.0
1
0
0
100.0
1007.6
425.0
1432.6
View list
14
1040130216
Eheli, S (Stanely)
1
1.0
1
0
0
100.0
990.9
425.0
1415.9
View list
15
206079860
Dinham, K (Kiara)
1
1.0
1
0
0
100.0
957.1
425.0
1382.1
View list
16
111009119
Esterhuizen, JL (Janco)
1
1.0
1
0
0
100.0
1077.4
425.0
1502.4
View list
17
1040096019
Flockhart, E (Elijah)
1
1.0
1
0
0
100.0
500.0
425.0
925.0
View list
18
206088946
Fradie, C (Charlize)
1
1.0
1
0
0
100.0
943.1
425.0
1368.1
View list
19
2080112160
Freeman, B (Braelyn)
1
1.0
1
0
0
100.0
875.1
425.0
1300.1
View list
20
1060110068
Fumba, O (Oyena)
1
1.0
1
0
0
100.0
957.1
425.0
1382.1
View list