Chess South Africa
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Chess South Africa
Botha, L (Logan)
Dob:
2013/04/09 (U12)
Gender:
Male
Chess SA id:
1130134041
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/05/11 (15 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
1267.3
Curent Weighted rating
1253.8
Curent Weighted performance
1204.9
Current official/published rating (highest between Raw, WR and WP)
1267.3
Current floor (min rating allowed)
802.0
Current highest rating achieved
1302.0
Current K-factor
36
Games played this month
5
Score (S)
4.0
Expected score (We)
2.72
Difference (S-We)
1.28
Current Raw change (no limits, including tournament time weight)
38.2
Current min/max change allowed (with limits)
±150.7
Current Raw change used (final)
38.2
Projected new Raw rating
1305.5
Projected new Weighed rating
1260.8
Projected new Weighted performance
1204.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1305.5
Projected effective change (new Official - current Official)
+38.2
Projected new highest rating
1305.5
Projected new floor
805.5
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
1267.6
Curent Weighted rating
1252.8
Curent Weighted performance
1206.1
Current official/published rating (highest between Raw, WR and WP)
1267.6
Current floor (min rating allowed)
796.3
Current highest rating achieved
1296.3
Current K-factor
36
Games played this month
5
Score (S)
4.0
Expected score (We)
2.76
Difference (S-We)
1.24
Current Raw change (no limits, including tournament time weight)
44.6
Current min/max change allowed (with limits)
±150.6
Current Raw change used (final)
44.6
Projected new Raw rating
1312.2
Projected new Weighed rating
1260.5
Projected new Weighted performance
1206.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1312.2
Projected effective change (new Official - current Official)
+44.6
Projected new highest rating
1312.2
Projected new floor
812.2
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
1061.2
Curent Weighted rating
1091.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1091.7
Current floor (min rating allowed)
700.0
Current highest rating achieved
1061.2
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)
±202.1
Current Raw change used (final)
0.0
Projected new Raw rating
1061.2
Projected new Weighed rating
1086.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1086.6
Projected effective change (new Official - current Official)
-5.1
Projected new highest rating
1061.2
Projected new floor
700.0
Projected new K-facor
40
Tournaments
History
Tournament:
2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed)
Start:
2024/05/11
End:
2024/05/11
Host:
GTP
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
4.0
Main rating:
1267.3
Rating gain/loss:
38.2
Type rating:
1267.6
Rating gain/loss:
44.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
6
2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1267.3
1267.6
Analysis
5
2024 Lubowski Open Chess Tournament (D1)
2024/03/23
2024/03/24
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1276.6
1274.4
Analysis
4
2024 Wynie Robbertse Chess Tournament (D2)
2024/03/02
2024/03/02
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1276.6
1274.4
Analysis
3
2024 Constantiapark Open (D1)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1279.3
1276.9
Analysis
2
2024 Tshwane Chess OPEN Registration Tournament (D1)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1284.5
1287.3
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U12C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
4.0
1284.5
1287.3
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
29
2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1267.3
1267.6
Analysis
28
2024 Lubowski Open Chess Tournament (D1)
2024/03/23
2024/03/24
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1276.6
1274.4
Analysis
27
2024 Wynie Robbertse Chess Tournament (D2)
2024/03/02
2024/03/02
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1276.6
1274.4
Analysis
26
2024 Constantiapark Open (D1)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1279.3
1276.9
Analysis
25
2024 Tshwane Chess OPEN Registration Tournament (D1)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1284.5
1287.3
Analysis
24
2024 Gauteng Inter-Region Chess Championship (U12C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
4.0
1284.5
1287.3
Analysis
23
Lardies Open Tournament 2023 (D1)
2023/10/28
2023/10/28
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1266.0
1266.8
Analysis
22
2023 Etienne Lewis Closed Tournament (U12)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
7
4.0
1263.3
1268.2
Analysis
21
2023 Tshwane South School District CLOSED League Championship (U11)
2023/07/29
2023/07/29
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1221.2
1218.2
Analysis
20
2023 Elize Steenkamp Open Tournament (D1)
2023/06/16
2023/06/17
Tshwane (GTP)
Standard
90
0.94
6
5
2.0
1236.4
1234.0
Analysis
19
2023 Tshwane Chess FIDE Rated Blitz League 1
2023/05/28
2023/05/28
Tshwane (GTP)
Blitz
5
0.18
9
7
1.0
1247.6
1200.0
Analysis
18
2023 Tshwane South School District CLOSED Individual Championships (U11 Open)
2023/04/22
2023/04/22
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1250.9
1235.1
Analysis
17
Chris Greyling Open Tournament 2023 (D2)
2023/03/21
2023/03/21
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1302.0
1296.3
Analysis
16
2023 Afrikaans Hoër Seunskool Open Chess Tournament (D2)
2023/03/04
2023/03/04
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1302.0
1296.3
Analysis
15
Laerskool Constantiapark Open Chess Tournament 2023 (U12)
2023/02/18
2023/02/18
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1258.7
1254.6
Analysis
14
2023 Tshwane Chess Open Registration Tournament (D1)
2023/01/28
2023/01/28
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1176.8
1178.8
Analysis
13
2022 South African Junior Team Chess Championships (U10 Open)
2022/12/04
2022/12/08
4 Knights (4K)
Standard
120
1.00
7
6
4.0
1091.2
1092.8
Analysis
12
Lardies Tournament 2022 (U10)
2022/10/29
2022/10/29
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1041.1
1032.4
Analysis
11
2022 Etienne Lewis (U10 Open)
2022/09/02
2022/09/04
Tshwane (GTP)
Standard
90
0.94
7
7
2.0
1050.9
1040.0
Analysis
10
2022 Alekhine Open (D)
2022/08/13
2022/08/14
Tshwane (GTP)
Standard
90
0.94
5
5
1.0
1104.7
1099.6
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
30
18
0
12
18.0
60.0
85.0
1212.1
1297.1
White
15
11
0
4
11.0
73.3
198.3
1210.2
1408.6
Black
15
7
0
8
7.0
46.7
-28.3
1213.9
1185.6
Standard
All
30
18
0
12
18.0
60.0
85.0
1212.1
1297.1
White
15
11
0
4
11.0
73.3
198.3
1210.2
1408.6
Black
15
7
0
8
7.0
46.7
-28.3
1213.9
1185.6
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
152
72
5
75
74.5
49.0
-8.4
1208.0
1199.6
White
76
38
2
36
39.0
51.3
11.2
1193.1
1204.3
Black
76
34
3
39
35.5
46.7
-28.0
1222.8
1194.8
Standard
All
145
71
5
69
73.5
50.7
5.9
1201.8
1207.6
White
73
37
2
34
38.0
52.1
17.5
1190.1
1207.5
Black
72
34
3
35
35.5
49.3
-5.9
1213.6
1207.7
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
7
1
0
6
1.0
14.3
-303.6
1336.7
1033.1
White
3
1
0
2
1.0
33.3
-141.7
1267.5
1125.8
Black
4
0
0
4
0.0
0.0
-425.0
1388.5
963.5
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1130136642
Ottermann, E (Erik)
5
3.0
3
0
2
60.0
1162.2
85.0
1247.2
View list
2
2120138294
Swanepoel, L (Leja)
3
1.5
1
1
1
50.0
1172.6
0.0
1172.6
View list
3
1090116742
Baloyi, B (Boikanyo)
3
1.0
1
0
2
33.3
1182.2
-141.7
1040.5
View list
4
1130135737
Olivier, F (Frederik)
3
0.5
0
1
2
16.7
1190.6
-283.3
907.3
View list
5
1130134053
Roos, E (Ewan)
3
0.0
0
0
3
0.0
1160.4
-425.0
735.4
View list
6
1120134047
Engelbrecht, E (Eben)
2
2.0
2
0
0
100.0
1210.6
425.0
1635.6
View list
7
1130159606
Kriel, J (Johan)
2
2.0
2
0
0
100.0
1272.7
425.0
1697.7
View list
8
1110139984
Le Roux, R (Reuben)
2
2.0
2
0
0
100.0
1302.0
425.0
1727.0
View list
9
1140137418
Van Der Wath, L (Logan)
2
2.0
2
0
0
100.0
1046.0
425.0
1471.0
View list
10
1130112336
Pieters, H (Hanroux)
2
1.5
1
1
0
75.0
1113.8
212.5
1326.3
View list
11
1120134046
De Jager, K (Konrad)
2
1.0
1
0
1
50.0
1284.5
0.0
1284.5
View list
12
1130119626
Ndebele, AT (Akhumzi Thandolwenkosi)
2
1.0
1
0
1
50.0
1113.8
0.0
1113.8
View list
13
1150152286
Rahlaga, K (Kaelo Alupheli)
2
1.0
1
0
1
50.0
1275.3
0.0
1275.3
View list
14
1130136645
Truscott, A (Adriaan)
2
1.0
1
0
1
50.0
1177.3
0.0
1177.3
View list
15
1120154168
Van Loggerenberg, N (Nathan)
2
0.5
0
1
1
25.0
1236.1
-212.5
1023.6
View list
16
1140134237
Barkhuizen, SJ (Simon Jurgens)
2
0.0
0
0
2
0.0
1175.3
-425.0
750.3
View list
17
1120133904
Fokker, CD (Christiaan Dirk)
2
0.0
0
0
2
0.0
1269.9
-425.0
844.9
View list
18
1100157389
Janse Van Rensburg, A (Andreas)
2
0.0
0
0
2
0.0
1251.2
-425.0
826.2
View list
19
1130108354
Jansen Van Vuuren, G (Gianni)
2
0.0
0
0
2
0.0
1150.9
-425.0
725.9
View list
20
1120134052
Redelinghuys, R (Ruben)
2
0.0
0
0
2
0.0
1152.3
-425.0
727.3
View list