Chess South Africa
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Chess South Africa
Botha, E (Erasmus Albertus)
Dob:
2017/06/24 (U8)
Gender:
Male
Chess SA id:
1170145156
FIDE id:
Region:
Bojanala Platina (NBR)
Citizen:
RSA
Title(s):
Last active:
2024/05/01 (17 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
1283.2
Curent Weighted rating
1236.9
Curent Weighted performance
1275.6
Current official/published rating (highest between Raw, WR and WP)
1283.2
Current floor (min rating allowed)
917.6
Current highest rating achieved
1417.6
Current K-factor
32
Games played this month
9
Score (S)
0.0
Expected score (We)
4.17
Difference (S-We)
-4.17
Current Raw change (no limits, including tournament time weight)
-133.4
Current min/max change allowed (with limits)
±147.3
Current Raw change used (final)
-133.4
Projected new Raw rating
1149.8
Projected new Weighed rating
1231.0
Projected new Weighted performance
1275.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1275.6
Projected effective change (new Official - current Official)
-7.6
Projected new highest rating
1417.6
Projected new floor
917.6
Projected new K-facor
32
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
1281.6
Curent Weighted rating
1239.8
Curent Weighted performance
1274.0
Current official/published rating (highest between Raw, WR and WP)
1281.6
Current floor (min rating allowed)
913.4
Current highest rating achieved
1413.4
Current K-factor
32
Games played this month
9
Score (S)
0.0
Expected score (We)
4.17
Difference (S-We)
-4.17
Current Raw change (no limits, including tournament time weight)
-133.4
Current min/max change allowed (with limits)
±147.6
Current Raw change used (final)
-133.4
Projected new Raw rating
1148.2
Projected new Weighed rating
1233.6
Projected new Weighted performance
1274.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1274.0
Projected effective change (new Official - current Official)
-7.6
Projected new highest rating
1413.4
Projected new floor
913.4
Projected new K-facor
32
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
1160.0
Curent Weighted rating
1174.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1174.0
Current floor (min rating allowed)
660.0
Current highest rating achieved
1160.0
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)
±175.5
Current Raw change used (final)
0.0
Projected new Raw rating
1160.0
Projected new Weighed rating
1172.1
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1172.1
Projected effective change (new Official - current Official)
-1.9
Projected new highest rating
1160.0
Projected new floor
660.0
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
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)
660.0
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
660.0
Projected new K-facor
36
Tournaments
History
Tournament:
South African Junior Closed Chess Championship 2024 (U8 Open)
Start:
2024/04/27
End:
2024/05/01
Host:
GE
Type:
Standard
Time:
120
Time weight:
1.00
Rounds:
9
Games:
9
Score:
0.0
Main rating:
1283.2
Rating gain/loss:
-133.4
Type rating:
1281.6
Rating gain/loss:
-133.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
6
South African Junior Closed Chess Championship 2024 (U8 Open)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
0.0
1283.2
1281.6
Analysis
5
Bojanala Olienpark's One For The Ages 2024 (Big Pawns)
2024/04/20
2024/04/20
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.5
1168.8
1158.1
Analysis
4
Bojanala's Rating Express 2024 (Big Pawns)
2024/04/06
2024/04/06
Bojanala Platina (NBR)
Standard
60
0.83
7
6
4.0
1168.8
1158.1
Analysis
3
Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns)
2024/03/16
2024/03/16
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.0
1188.2
1181.8
Analysis
2
Bojanala Closed Chess Championships Finals 2024 (U8)
2024/02/09
2024/02/11
Bojanala Platina (NBR)
Standard
120
1.00
5
5
2.0
1199.1
1194.0
Analysis
1
Bojanala Closed Chess Championships Stage 1 2024 (U8)
2024/01/27
2024/01/27
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.0
1198.0
1195.3
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
22
South African Junior Closed Chess Championship 2024 (U8 Open)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
0.0
1283.2
1281.6
Analysis
21
Bojanala Olienpark's One For The Ages 2024 (Big Pawns)
2024/04/20
2024/04/20
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.5
1168.8
1158.1
Analysis
20
Bojanala's Rating Express 2024 (Big Pawns)
2024/04/06
2024/04/06
Bojanala Platina (NBR)
Standard
60
0.83
7
6
4.0
1168.8
1158.1
Analysis
19
Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns)
2024/03/16
2024/03/16
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.0
1188.2
1181.8
Analysis
18
Bojanala Closed Chess Championships Finals 2024 (U8)
2024/02/09
2024/02/11
Bojanala Platina (NBR)
Standard
120
1.00
5
5
2.0
1199.1
1194.0
Analysis
17
Bojanala Closed Chess Championships Stage 1 2024 (U8)
2024/01/27
2024/01/27
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.0
1198.0
1195.3
Analysis
16
2023 Cross Border Chess Championships Gaborone vs Bojanala
2023/12/14
2023/12/14
Botswana (BOT)
Standard
65
0.85
9
8
2.0
1265.5
1285.8
Analysis
15
Bojanala's Merry ChessMas 2023 (Little Pawns)
2023/12/09
2023/12/09
Bojanala Platina (NBR)
Standard
60
0.83
5
4
3.0
1265.5
1285.8
Analysis
14
West Rand vs Bojanala Inter-Regional Championships 2023 (U8)
2023/10/12
2023/10/12
West Rand (GWR)
Standard
60
0.83
8
8
4.5
1271.6
1303.7
Analysis
13
Bojanala's Battle Of Mount Cambridge 2023 (Little Pawns)
2023/09/16
2023/09/16
Bojanala Platina (NBR)
Standard
60
0.83
5
5
4.0
1238.9
1271.7
Analysis
12
Bojanala's Spring Cleaning 2023 (Litle Pawns)
2023/08/26
2023/08/26
Bojanala Platina (NBR)
Standard
60
0.83
5
5
4.0
1367.7
1363.2
Analysis
11
Bojanala's Rosewood 2023 (Big Pawns)
2023/08/12
2023/08/12
Bojanala Platina (NBR)
Standard
60
0.83
7
6
0.0
1367.7
1363.2
Analysis
10
Bojanala's FIDE in the Sparkling Waters 2023 (Junior)
2023/07/29
2023/07/29
Bojanala Platina (NBR)
Standard
120
1.00
6
6
2.5
1417.6
1413.4
Analysis
9
Bojanala's Post-Exams 2023 (U6)
2023/07/24
2023/07/24
Bojanala Platina (NBR)
Standard
60
0.83
5
5
5.0
1329.3
1328.2
Analysis
8
Bojanala School League 2023 (U7)
2023/07/18
2023/08/14
Bojanala Platina (NBR)
Rapid
40
0.70
6
6
2.0
1367.7
1200.0
Analysis
7
Grenswag's Community Battle 2023 (U8)
2023/04/22
2023/04/22
Bojanala Platina (NBR)
Standard
60
0.83
5
5
4.0
1259.5
1282.0
Analysis
6
Silver Lakes Open Chess Tournament (F)
2023/04/15
2023/04/15
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1259.5
1282.0
Analysis
5
Nories Make It Happen 2023 (U6)
2023/03/04
2023/03/04
Bojanala Platina (NBR)
Standard
62
0.84
6
6
6.0
1140.2
1139.2
Analysis
4
One For The Ages 2023 (U6)
2023/02/18
2023/02/18
Bojanala Platina (NBR)
Standard
60
0.83
5
5
4.0
1062.5
1040.4
Analysis
3
Harties Wolf Pack 2023 (U8)
2023/01/21
2023/01/21
Bojanala Platina (NBR)
Standard
62
0.84
5
5
0.0
1165.3
1162.0
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
35
13
3
19
14.5
41.4
-72.9
1233.8
1161.0
White
18
7
1
10
7.5
41.7
-70.8
1217.7
1146.8
Black
17
6
2
9
7.0
41.2
-75.0
1250.9
1175.9
Standard
All
35
13
3
19
14.5
41.4
-72.9
1233.8
1161.0
White
18
7
1
10
7.5
41.7
-70.8
1217.7
1146.8
Black
17
6
2
9
7.0
41.2
-75.0
1250.9
1175.9
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
123
56
9
58
60.5
49.2
-6.9
1204.1
1197.2
White
62
30
4
28
32.0
51.6
13.7
1187.4
1201.1
Black
61
26
5
30
28.5
46.7
-27.9
1221.1
1193.2
Standard
All
117
54
9
54
58.5
50.0
0.0
1205.3
1205.3
White
59
29
4
26
31.0
52.5
21.6
1187.7
1209.3
Black
58
25
5
28
27.5
47.4
-22.0
1223.2
1201.2
Rapid
All
6
2
0
4
2.0
33.3
-141.7
1180.8
1039.2
White
3
1
0
2
1.0
33.3
-141.7
1180.8
1039.2
Black
3
1
0
2
1.0
33.3
-141.7
1180.8
1039.2
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
2170149596
Mabugu, R (Refilwe)
10
9.5
9
1
0
95.0
1211.0
382.5
1593.5
View list
2
1190149595
Kotsokoane, R (Reatlegile)
5
5.0
5
0
0
100.0
1187.5
425.0
1612.5
View list
3
1170149591
Kgame, K (Kgosi Otshepeng)
5
4.5
4
1
0
90.0
1208.0
340.0
1548.0
View list
4
2160146473
Pilane, O (Ogone)
4
0.5
0
1
3
12.5
1187.6
-318.8
868.9
View list
5
1160146604
Hough, A (Andreas Johannes)
4
0.0
0
0
4
0.0
1340.6
-425.0
915.6
View list
6
1170144069
Kruger, T (Thinus Pieter)
4
0.0
0
0
4
0.0
1253.8
-425.0
828.8
View list
7
1170162300
Xhalabile, L (Lonwabo)
3
1.5
1
1
1
50.0
1201.0
0.0
1201.0
View list
8
1170147325
Stelloh, A (Alexander)
3
0.0
0
0
3
0.0
1264.2
-425.0
839.2
View list
9
1170148241
Tak, A (Abeer)
3
0.0
0
0
3
0.0
1212.0
-425.0
787.0
View list
10
1160160047
Jonas, M (Minenhle)
2
2.0
2
0
0
100.0
1367.7
425.0
1792.7
View list
11
2170191456
Diphoko, P (Pelonomi)
2
2.0
2
0
0
100.0
1232.3
425.0
1657.3
View list
12
1170154501
Machine, K (Ketumile)
2
2.0
2
0
0
100.0
1263.7
425.0
1688.7
View list
13
1170159426
Molefi, K (Kgotso)
2
2.0
2
0
0
100.0
1218.5
425.0
1643.5
View list
14
1180160667
Ramoshebi, N (Nala)
2
2.0
2
0
0
100.0
1303.3
425.0
1728.3
View list
15
2170149598
Ngobeni, M (Mikateko)
2
1.5
1
1
0
75.0
1161.0
212.5
1373.5
View list
16
2160152067
Pelser, L (Leja)
2
1.0
1
0
1
50.0
1223.8
0.0
1223.8
View list
17
2160152068
Taperesu, K (Kaelyn Lynelle)
2
1.0
1
0
1
50.0
1313.6
0.0
1313.6
View list
18
1160156767
De Jager, L (Luado)
2
0.0
0
0
2
0.0
1325.5
-425.0
900.5
View list
19
1160149601
Langa, T (Thatego)
2
0.0
0
0
2
0.0
1367.7
-425.0
942.7
View list
20
1160159295
Van Der Merwe, J (Jayden)
2
0.0
0
0
2
0.0
1277.4
-425.0
852.4
View list