Chess South Africa
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Chess South Africa
Bosch, E (Ethan)
Dob:
2009/04/08 (U16)
Gender:
Male
Chess SA id:
1090152800
FIDE id:
Region:
Frances Baard (NCF)
Citizen:
RSA
Title(s):
Last active:
2024/04/13 (36 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
1109.5
Curent Weighted rating
1158.7
Curent Weighted performance
1014.6
Current official/published rating (highest between Raw, WR and WP)
1158.7
Current floor (min rating allowed)
662.0
Current highest rating achieved
1162.0
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)
±188.6
Current Raw change used (final)
0.0
Projected new Raw rating
1109.5
Projected new Weighed rating
1153.7
Projected new Weighted performance
1014.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1153.7
Projected effective change (new Official - current Official)
-5.0
Projected new highest rating
1162.0
Projected new floor
662.0
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
1135.6
Curent Weighted rating
1158.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1158.1
Current floor (min rating allowed)
654.4
Current highest rating achieved
1154.4
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)
±181.7
Current Raw change used (final)
0.0
Projected new Raw rating
1135.6
Projected new Weighed rating
1155.3
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1155.3
Projected effective change (new Official - current Official)
-2.7
Projected new highest rating
1154.4
Projected new floor
654.4
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
1128.0
Curent Weighted rating
1188.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1188.7
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)
±183.7
Current Raw change used (final)
0.0
Projected new Raw rating
1128.0
Projected new Weighed rating
1183.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1183.4
Projected effective change (new Official - current Official)
-5.3
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
4
2024 FB Schools Open 4.0 (U15)
2024/04/13
2024/04/13
Frances Baard (NCF)
Standard
62
0.84
5
5
1.5
1111.9
1147.2
Analysis
3
2024 FB Schools Open 3.0 (U15)
2024/03/16
2024/03/16
Frances Baard (NCF)
Standard
60
0.83
5
5
2.0
1148.6
1139.2
Analysis
2
2024 Frances Baard Schools Teams (High School)
2024/03/02
2024/03/02
Frances Baard (NCF)
Rapid
30
0.60
5
4
0.0
1148.6
1200.0
Analysis
1
2024 Frances Baard Schools Open II (U15)
2024/02/17
2024/02/17
Frances Baard (NCF)
Standard
62
0.84
5
5
2.0
1162.0
1154.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
5
2024 FB Schools Open 4.0 (U15)
2024/04/13
2024/04/13
Frances Baard (NCF)
Standard
62
0.84
5
5
1.5
1111.9
1147.2
Analysis
4
2024 FB Schools Open 3.0 (U15)
2024/03/16
2024/03/16
Frances Baard (NCF)
Standard
60
0.83
5
5
2.0
1148.6
1139.2
Analysis
3
2024 Frances Baard Schools Teams (High School)
2024/03/02
2024/03/02
Frances Baard (NCF)
Rapid
30
0.60
5
4
0.0
1148.6
1200.0
Analysis
2
2024 Frances Baard Schools Open II (U15)
2024/02/17
2024/02/17
Frances Baard (NCF)
Standard
62
0.84
5
5
2.0
1162.0
1154.4
Analysis
1
Frances Baard School Open II 2023 (U15)
2023/03/18
2023/03/18
Frances Baard (NCF)
Standard
62
0.84
5
5
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
19
5
1
13
5.5
28.9
-178.9
1234.7
1055.7
White
11
4
0
7
4.0
36.4
-115.9
1245.5
1129.6
Black
8
1
1
6
1.5
18.8
-265.6
1219.8
954.2
Standard
All
15
5
1
9
5.5
36.7
-113.3
1243.3
1130.0
White
9
4
0
5
4.0
44.4
-47.2
1253.2
1206.0
Black
6
1
1
4
1.5
25.0
-212.5
1228.5
1016.0
Rapid
All
4
0
0
4
0.0
0.0
-425.0
1202.3
777.3
White
2
0
0
2
0.0
0.0
-425.0
1210.8
785.8
Black
2
0
0
2
0.0
0.0
-425.0
1193.8
768.8
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
24
7
1
16
7.5
31.3
-159.4
1199.3
1039.9
White
14
6
0
8
6.0
42.9
-60.7
1232.1
1171.4
Black
10
1
1
8
1.5
15.0
-297.5
1153.3
855.8
Standard
All
20
7
1
12
7.5
37.5
-106.3
1198.7
1092.4
White
12
6
0
6
6.0
50.0
0.0
1235.7
1235.7
Black
8
1
1
6
1.5
18.8
-265.6
1143.1
877.5
Rapid
All
4
0
0
4
0.0
0.0
-425.0
1202.3
777.3
White
2
0
0
2
0.0
0.0
-425.0
1210.8
785.8
Black
2
0
0
2
0.0
0.0
-425.0
1193.8
768.8
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
1100119943
Mokapane, S (Siyabulela)
1
1.0
1
0
0
100.0
1148.6
425.0
1573.6
View list
2
1100192409
Mogale, P (Phitlhelelo)
1
1.0
1
0
0
100.0
1148.6
425.0
1573.6
View list
3
1090152545
Moacwi, K (Koketso)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1090192406
Hammer, K (Kgotso)
1
1.0
1
0
0
100.0
1162.0
425.0
1587.0
View list
5
2100116596
Daniels, P (Peyton)
1
1.0
1
0
0
100.0
1111.9
425.0
1536.9
View list
6
1100192404
Chindenga, T (Tatenda)
1
1.0
1
0
0
100.0
1162.0
425.0
1587.0
View list
7
2090152803
Kopakae, R (Retshepile)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
1090300742
Lebitso, R (Relebohile)
1
0.5
0
1
0
50.0
1111.9
0.0
1111.9
View list
9
2100150907
Sebolai, R (Refentse)
1
0.0
0
0
1
0.0
1111.9
-425.0
686.9
View list
10
208067303
Pain, G (Gail)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
11
1100300168
Mutsure, K (Kelly)
1
0.0
0
0
1
0.0
1148.6
-425.0
723.6
View list
12
1100119942
Kanjee, K (Khiyaan)
1
0.0
0
0
1
0.0
1162.0
-425.0
737.0
View list
13
1090300741
Hofsta, K (Kethan)
1
0.0
0
0
1
0.0
1111.9
-425.0
686.9
View list
14
1080300160
Bessies, C (Christiano)
1
0.0
0
0
1
0.0
1148.6
-425.0
723.6
View list
15
1070192423
Badenhorst, F (Frans)
1
0.0
0
0
1
0.0
1148.6
-425.0
723.6
View list
16
1100192403
Alam, T (Tahsen)
1
0.0
0
0
1
0.0
1162.0
-425.0
737.0
View list
17
1090152810
Melamane, B (Buhle)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
18
1090300744
Mathobisa, B (Boitshepo)
1
0.0
0
0
1
0.0
1148.6
-425.0
723.6
View list
19
1100300173
Mathebula, L (Lethlogonolo)
1
0.0
0
0
1
0.0
1148.6
-425.0
723.6
View list
20
1090152808
Maluleke, N (Nyiko)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list