Chess South Africa
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Chess South Africa
Byliefeldt, M (Mienke)
Dob:
2011/04/18 (U14)
Gender:
Female
Chess SA id:
211093275
FIDE id:
Region:
Bojanala Platina (NBR)
Citizen:
RSA
Title(s):
Last active:
2024/03/16 (47 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
1180.7
Curent Weighted rating
1207.7
Curent Weighted performance
1064.0
Current official/published rating (highest between Raw, WR and WP)
1207.7
Current floor (min rating allowed)
809.7
Current highest rating achieved
1309.7
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)
±170.4
Current Raw change used (final)
0.0
Projected new Raw rating
1180.7
Projected new Weighed rating
1205.6
Projected new Weighted performance
1064.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1205.6
Projected effective change (new Official - current Official)
-2.2
Projected new highest rating
1309.7
Projected new floor
809.7
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
1145.2
Curent Weighted rating
1183.0
Curent Weighted performance
1036.4
Current official/published rating (highest between Raw, WR and WP)
1183.0
Current floor (min rating allowed)
809.9
Current highest rating achieved
1309.9
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)
±179.3
Current Raw change used (final)
0.0
Projected new Raw rating
1145.2
Projected new Weighed rating
1179.4
Projected new Weighted performance
1036.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1179.4
Projected effective change (new Official - current Official)
-3.5
Projected new highest rating
1309.9
Projected new floor
809.9
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
1214.8
Curent Weighted rating
1209.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1214.8
Current floor (min rating allowed)
714.8
Current highest rating achieved
1214.8
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)
±162.4
Current Raw change used (final)
0.0
Projected new Raw rating
1214.8
Projected new Weighed rating
1210.3
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1214.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1214.8
Projected new floor
714.8
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)
714.8
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
714.8
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
1
Bojanala Silwerrand's Rating Implosion 2024 (Bishops)
2024/03/16
2024/03/16
Bojanala Platina (NBR)
Standard
60
0.83
5
5
1.0
1222.2
1190.2
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
43
Bojanala Silwerrand's Rating Implosion 2024 (Bishops)
2024/03/16
2024/03/16
Bojanala Platina (NBR)
Standard
60
0.83
5
5
1.0
1222.2
1190.2
Analysis
42
Bojanala's Spring Cleaning 2023 (Knights)
2023/08/26
2023/08/26
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.0
1211.9
1202.1
Analysis
41
Bojanala School League 2023 (Primary School Open)
2023/08/19
2023/08/19
Bojanala Platina (NBR)
Rapid
40
0.70
5
5
3.0
1211.9
1200.0
Analysis
40
Bojanala's FIDE in the Sparkling Waters 2023 (Rooks)
2023/07/28
2023/07/30
Bojanala Platina (NBR)
Standard
120
1.00
6
6
3.0
1178.8
1166.8
Analysis
39
Olienpark - 2nd One for the Ages 2023 (U14)
2023/05/13
2023/05/13
Bojanala Platina (NBR)
Standard
60
0.83
5
4
1.0
1198.8
1189.8
Analysis
38
Harties Wolf Pack 2023 (Knights)
2023/01/21
2023/01/21
Bojanala Platina (NBR)
Standard
62
0.84
5
5
3.0
1180.7
1166.0
Analysis
37
2022 South African Junior Team Chess Championships (U12 Open)
2022/12/04
2022/12/08
4 Knights (4K)
Standard
120
1.00
7
7
3.0
1176.0
1160.2
Analysis
36
West Rand vs Bojanala 2022 (U12B)
2022/11/05
2022/11/05
Bojanala Platina (NBR)
Standard
60
0.83
5
5
1.0
1226.8
1219.2
Analysis
35
FIDE at The King`s Gate 2.0 2022 (C)
2022/10/22
2022/10/22
Bojanala Platina (NBR)
Standard
92
0.94
5
5
1.0
1309.7
1309.9
Analysis
34
Bojanala SAJCC Trials 2022 (U12)
2022/09/23
2022/09/23
Bojanala Platina (NBR)
Standard
120
1.00
5
5
3.0
1240.9
1238.3
Analysis
33
Bojanala Chess Federation Wildcards 2022 (U12)
2022/08/20
2022/08/20
Bojanala Platina (NBR)
Standard
62
0.84
5
5
3.0
1185.3
1184.6
Analysis
32
2nd One For The Ages 2022 (U12)
2022/07/30
2022/07/30
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.0
1162.9
1156.9
Analysis
31
Thomas Lechelele NW Open 2022 (C)
2022/05/14
2022/05/14
Ngaka Modiri Molema (NNM)
Standard
60
0.83
5
5
3.0
1145.9
1132.8
Analysis
30
RHS Know Thyself 2022 (C)
2022/04/23
2022/04/23
Bojanala Platina (NBR)
Standard
62
0.84
5
5
3.0
1118.4
1098.2
Analysis
29
Fide At The King`s Gate 2022 (C)
2022/02/26
2022/02/26
Bojanala Platina (NBR)
Standard
92
0.94
5
4
1.0
1168.8
1149.7
Analysis
28
Bojanala SAJCC Trials - Session 2 of 3 2021 (C)
2021/11/13
2021/11/13
Bojanala Platina (NBR)
Standard
62
0.84
5
5
2.0
1178.8
1157.6
Analysis
27
Bojanala SAJCC Trials - Session 1 of 3 2021 (D)
2021/11/06
2021/11/06
Bojanala Platina (NBR)
Standard
62
0.84
5
4
1.5
1178.8
1157.6
Analysis
26
2021 Chris Greyling Open Tournament (D)
2021/05/08
2021/05/08
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1228.4
1217.0
Analysis
25
Laerskool Proteapark 2020 (D)
2020/02/29
2020/02/29
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.0
1203.5
1187.9
Analysis
24
Lebone II 2020 (U10)
2020/02/15
2020/02/15
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.0
1203.5
1187.9
Analysis
1
2
3
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
1
0
4
1.0
20.0
-255.0
1248.3
993.3
White
3
1
0
2
1.0
33.3
-141.7
1287.2
1145.5
Black
2
0
0
2
0.0
0.0
-425.0
1189.9
764.9
Standard
All
5
1
0
4
1.0
20.0
-255.0
1248.3
993.3
White
3
1
0
2
1.0
33.3
-141.7
1287.2
1145.5
Black
2
0
0
2
0.0
0.0
-425.0
1189.9
764.9
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
219
86
7
126
89.5
40.9
-77.6
1179.3
1101.6
White
111
42
4
65
44.0
39.6
-88.1
1174.7
1086.6
Black
108
44
3
61
45.5
42.1
-66.9
1184.0
1117.1
Standard
All
214
83
7
124
86.5
40.4
-81.4
1176.9
1095.4
White
108
41
4
63
43.0
39.8
-86.6
1172.5
1085.9
Black
106
42
3
61
43.5
41.0
-76.2
1181.3
1105.1
Rapid
All
5
3
0
2
3.0
60.0
85.0
1282.3
1367.3
White
3
1
0
2
1.0
33.3
-141.7
1254.0
1112.3
Black
2
2
0
0
2.0
100.0
425.0
1324.8
1749.8
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
1110099324
Roos, J (Justin)
7
0.5
0
1
6
7.1
1180.3
-364.3
816.0
View list
2
2110096353
Janse Van Vuuren, M (Mari)
5
4.0
4
0
1
80.0
1083.4
255.0
1338.4
View list
3
210087760
Jansen Van Vuuren, L (Lourein)
5
2.0
2
0
3
40.0
1102.4
-85.0
1017.4
View list
4
1110097777
Britz, JD (Jakobus)
5
0.5
0
1
4
10.0
1121.9
-340.0
781.9
View list
5
111092671
Van Der Berg, KW (Kai)
4
1.0
1
0
3
25.0
1140.3
-212.5
927.8
View list
6
111083777
Bezuidenhout, E (Ethan)
4
0.0
0
0
4
0.0
1149.7
-425.0
724.7
View list
7
1120096351
Nkwe, T (Tumalano)
3
3.0
3
0
0
100.0
1163.5
425.0
1588.5
View list
8
211093260
Jansen Van Vuuren, M (Mari)
3
2.0
2
0
1
66.7
1172.3
141.7
1314.0
View list
9
111093278
Bossert, SW (Sam)
3
1.0
1
0
2
33.3
1076.3
-141.7
934.6
View list
10
1110096350
Schwim, X (Xander)
3
1.0
1
0
2
33.3
1108.4
-141.7
966.8
View list
11
1120099321
Sibiya, K (Khayalethu)
3
1.0
1
0
2
33.3
1116.1
-141.7
974.4
View list
12
210087758
Zondagh, Z (Zea)
3
1.0
1
0
2
33.3
997.9
-141.7
856.2
View list
13
1110099323
Bester, D (Daniel)
3
0.0
0
0
3
0.0
1130.4
-425.0
705.4
View list
14
1110144215
Annandale, V (Vaugan)
2
2.0
2
0
0
100.0
1231.6
425.0
1656.6
View list
15
1110131242
Changara, A (Adiel Tavonga)
2
2.0
2
0
0
100.0
1179.7
425.0
1604.7
View list
16
1100110363
Nel, D (Dawid)
2
2.0
2
0
0
100.0
941.9
425.0
1366.9
View list
17
1100140050
Nkosi, M (Muhluri)
2
2.0
2
0
0
100.0
1244.3
425.0
1669.3
View list
18
1110099329
De Kock, D (De-Han)
2
1.0
1
0
1
50.0
1068.3
0.0
1068.3
View list
19
1110112983
Gatsi, D (Darnel)
2
1.0
1
0
1
50.0
1097.3
0.0
1097.3
View list
20
2110099599
Peete, O (Ofentse)
2
0.5
0
1
1
25.0
1031.1
-212.5
818.6
View list