Chess South Africa
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Chess South Africa
Botha, G (Gregory)
Dob:
2014/05/25 (U12)
Gender:
Male
Chess SA id:
1140134429
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/04/20 (26 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
1168.4
Curent Weighted rating
1158.1
Curent Weighted performance
1161.8
Current official/published rating (highest between Raw, WR and WP)
1168.4
Current floor (min rating allowed)
788.5
Current highest rating achieved
1288.5
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)
±173.5
Current Raw change used (final)
0.0
Projected new Raw rating
1168.4
Projected new Weighed rating
1161.3
Projected new Weighted performance
1161.8
Projected new official/published rating (highest between new Raw, new WR and new WP)
1168.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1288.5
Projected new floor
788.5
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
1161.7
Curent Weighted rating
1144.8
Curent Weighted performance
1155.6
Current official/published rating (highest between Raw, WR and WP)
1161.7
Current floor (min rating allowed)
788.5
Current highest rating achieved
1288.5
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)
±175.1
Current Raw change used (final)
0.0
Projected new Raw rating
1161.7
Projected new Weighed rating
1148.4
Projected new Weighted performance
1155.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1161.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1288.5
Projected new floor
788.5
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
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
700.0
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
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
6
2024 Silver Lakes Open Chess Tournament (D3)
2024/04/20
2024/04/20
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1153.8
1143.2
Analysis
5
2024 Chris Greyling Open Chess Tournament (D1)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1172.3
1164.4
Analysis
4
2024 Tshwane Chess AHS Open Chess Tournament (D2)
2024/02/24
2024/02/24
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1132.2
1107.7
Analysis
3
2024 Constantiapark Open (D2)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1132.2
1107.7
Analysis
2
2024 Tshwane Chess OPEN Registration Tournament (D2)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1155.6
1133.3
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U10B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1155.6
1133.3
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
31
2024 Silver Lakes Open Chess Tournament (D3)
2024/04/20
2024/04/20
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1153.8
1143.2
Analysis
30
2024 Chris Greyling Open Chess Tournament (D1)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1172.3
1164.4
Analysis
29
2024 Tshwane Chess AHS Open Chess Tournament (D2)
2024/02/24
2024/02/24
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1132.2
1107.7
Analysis
28
2024 Constantiapark Open (D2)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1132.2
1107.7
Analysis
27
2024 Tshwane Chess OPEN Registration Tournament (D2)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1155.6
1133.3
Analysis
26
2024 Gauteng Inter-Region Chess Championship (U10B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1155.6
1133.3
Analysis
25
2023 Etienne Lewis Closed Tournament (U10)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
7
3.5
1246.1
1237.0
Analysis
24
2023 Jacaranda Round Robin (K)
2023/08/12
2023/08/12
Tshwane (GTP)
Standard
60
0.83
7
6
0.0
1246.1
1237.0
Analysis
23
2023 Gauteng North School District CLOSED League Championships (D1) (U11)
2023/08/05
2023/08/05
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1246.1
1237.0
Analysis
22
2023 Menlo Open Tournament (D)
2023/07/22
2023/07/22
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1272.1
1268.7
Analysis
21
Wynie Robbertse Open Tournament 2023 (E)
2023/06/03
2023/06/03
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1288.5
1288.5
Analysis
20
2023 Milos Ristic Open Tournament (E)
2023/04/27
2023/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1240.4
1237.2
Analysis
19
Silver Lakes Open Chess Tournament (E)
2023/04/15
2023/04/15
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1240.4
1237.2
Analysis
18
Chris Greyling Open Tournament 2023 (E)
2023/03/21
2023/03/21
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1060.8
1057.8
Analysis
17
2023 Afrikaans Hoër Seunskool Open Chess Tournament (E)
2023/03/04
2023/03/04
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1060.8
1057.8
Analysis
16
2023 Tshwane Chess Open Registration Tournament (E)
2023/01/28
2023/01/28
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
963.8
955.6
Analysis
15
2022 South African Junior Team Chess Championships (U10 Open)
2022/12/04
2022/12/08
4 Knights (4K)
Standard
120
1.00
7
6
0.5
993.4
983.6
Analysis
14
Lardies Tournament 2022 (U10)
2022/10/29
2022/10/29
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1002.1
988.8
Analysis
13
2022 Gauteng North Chess Open (E)
2022/10/15
2022/10/16
Tshwane (GTP)
Standard
90
0.94
5
5
1.0
1002.1
988.8
Analysis
12
2022 Etienne Lewis (U10 Open)
2022/09/02
2022/09/04
Tshwane (GTP)
Standard
90
0.94
7
2
0.0
1021.7
1009.6
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
30
13
1
16
13.5
45.0
-42.5
1202.4
1159.9
White
16
8
1
7
8.5
53.1
26.6
1196.9
1223.4
Black
14
5
0
9
5.0
35.7
-121.4
1208.8
1087.4
Standard
All
30
13
1
16
13.5
45.0
-42.5
1202.4
1159.9
White
16
8
1
7
8.5
53.1
26.6
1196.9
1223.4
Black
14
5
0
9
5.0
35.7
-121.4
1208.8
1087.4
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
157
55
11
91
60.5
38.5
-97.5
1205.6
1108.1
White
78
25
6
47
28.0
35.9
-119.9
1209.8
1090.0
Black
79
30
5
44
32.5
41.1
-75.3
1201.3
1126.0
Standard
All
157
55
11
91
60.5
38.5
-97.5
1205.6
1108.1
White
78
25
6
47
28.0
35.9
-119.9
1209.8
1090.0
Black
79
30
5
44
32.5
41.1
-75.3
1201.3
1126.0
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1140149166
Leshabane, L (Lesego)
3
2.0
2
0
1
66.7
1154.2
141.7
1295.8
View list
2
1140144840
Lekalakala, R (Realeboga Blessings)
3
1.5
1
1
1
50.0
1153.6
0.0
1153.6
View list
3
2130137401
Pistorius, A (Anabelle)
3
1.0
1
0
2
33.3
1107.2
-141.7
965.5
View list
4
2140134835
Fischer, M (Mione)
2
2.0
2
0
0
100.0
1168.8
425.0
1593.8
View list
5
1140148674
Weyer, E (Evan)
2
2.0
2
0
0
100.0
1126.2
425.0
1551.2
View list
6
2140137416
Ottermann, A (Ayla)
2
1.5
1
1
0
75.0
1177.5
212.5
1390.0
View list
7
1140135770
Oosthuizen, V (Vaughn)
2
1.0
1
0
1
50.0
1092.6
0.0
1092.6
View list
8
1140148748
Tan, H (Herman Qiyuan)
2
1.0
1
0
1
50.0
1150.6
0.0
1150.6
View list
9
2140143861
Van Wyk, A (Ame)
2
1.0
1
0
1
50.0
1153.5
0.0
1153.5
View list
10
1140134057
Erwee, HP (Hermanus Philipus)
2
0.5
0
1
1
25.0
1220.2
-212.5
1007.7
View list
11
2140135772
Potgieter, R (Raven)
2
0.5
0
1
1
25.0
1180.3
-212.5
967.8
View list
12
1140134237
Barkhuizen, SJ (Simon Jurgens)
2
0.0
0
0
2
0.0
1123.7
-425.0
698.7
View list
13
1130108354
Jansen Van Vuuren, G (Gianni)
2
0.0
0
0
2
0.0
1054.0
-425.0
629.0
View list
14
1140134242
Opperman, J (Jordan)
2
0.0
0
0
2
0.0
1130.4
-425.0
705.4
View list
15
1130136645
Truscott, A (Adriaan)
2
0.0
0
0
2
0.0
1112.3
-425.0
687.3
View list
16
2130140636
Truscott, A (Ane)
2
0.0
0
0
2
0.0
1058.3
-425.0
633.3
View list
17
1130140475
Van Der Westhuizen, L (Lihan)
2
0.0
0
0
2
0.0
1114.5
-425.0
689.5
View list
18
2150143035
Van Zyl, S (Sanli)
2
0.0
0
0
2
0.0
1012.3
-425.0
587.3
View list
19
2140139967
Vorster, M (Meandri)
2
0.0
0
0
2
0.0
1124.1
-425.0
699.1
View list
20
1120116371
Feig, E (Evan)
1
1.0
1
0
0
100.0
1153.0
425.0
1578.0
View list