Chess South Africa
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Chess South Africa
Grahan, C (Chie-Ann)
Dob:
2007/07/31 (U18)
Gender:
Female
Chess SA id:
2070115594
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/10/12 (63 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
Current Raw rating
1331.7
Current Weighted rating
1307.1
Current Weighted performance
1226.6
Current official/published rating (highest between Raw, WR and WP)
1331.7
Current highest rating achieved
1371.8
Current floor (min rating allowed)
871.8
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)
±137.4
Current Raw change used (final)
0.0
Projected new Raw rating
1331.7
Projected new Weighed rating
1205.3
Projected new Weighted performance
1226.6
Projected new final Raw rating (if new WP > new Raw)
1331.7
Projected new highest rating
1371.8
Projected new floor
871.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1331.7
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
1326.2
Current Weighted rating
1302.4
Current Weighted performance
1226.6
Current official/published rating (highest between Raw, WR and WP)
1326.2
Current highest rating achieved
1371.2
Current floor (min rating allowed)
871.2
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)
±138.5
Current Raw change used (final)
0.0
Projected new Raw rating
1326.2
Projected new Weighed rating
1201.0
Projected new Weighted performance
1226.6
Projected new final Raw rating (if new WP > new Raw)
1326.2
Projected new highest rating
1371.2
Projected new floor
871.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1326.2
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
854.7
Current Weighted rating
854.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
854.7
Current highest rating achieved
854.7
Current floor (min rating allowed)
500.0
Current K-factor
40
s
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)
±271.2
Current Raw change used (final)
0.0
Projected new Raw rating
854.7
Projected new Weighed rating
786.3
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
854.7
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
854.7
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
854.7
Current Weighted rating
854.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
854.7
Current highest rating achieved
854.7
Current floor (min rating allowed)
500.0
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)
±271.2
Current Raw change used (final)
0.0
Projected new Raw rating
854.7
Projected new Weighed rating
786.3
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
854.7
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
854.7
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
13
2024 Tshwane Chess Club Clash (Ladies)
2024/10/12
2024/10/12
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1354.1
1352.1
Analysis
12
Centurion Chess Open Tournament 2024 (B)
2024/09/21
2024/09/21
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1370.3
1369.4
Analysis
11
2024 Etienne Lewis (U18+U20)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
6
2.5
1370.3
1369.4
Analysis
10
Gauteng Schools Individuals Finals 2024 (U18 Girls)
2024/08/17
2024/08/17
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1370.3
1369.4
Analysis
9
2024 Tshwane North School District Team League Finals (U17)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1364.3
1362.9
Analysis
8
2024 Tshwane North School District Cluster 4 & 5 Team League (U17)
2024/07/20
2024/07/20
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1371.8
1371.2
Analysis
7
2024 Tshwane North School District CLOSED Individual Champioships (U18 Girls)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1254.1
1244.3
Analysis
6
District 3 Cluster 4 and 5 Individuals 2024 (U18 Girls)
2024/05/04
2024/05/04
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1254.1
1244.3
Analysis
5
2024 Milos Ristic Open Chess Tournament (B)
2024/04/27
2024/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1271.7
1264.1
Analysis
4
2024 Lubowski Open Chess Tournament (D1)
2024/03/23
2024/03/24
Tshwane (GTP)
Standard
90
0.94
5
4
2.0
1255.8
1244.7
Analysis
3
2024 Constantiapark Open (C)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1289.0
1285.0
Analysis
2
2024 Tshwane Chess OPEN Registration Tournament (C2)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1266.9
1260.5
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U18 Girls)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
3
3.0
1266.9
1260.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
45
2024 Tshwane Chess Club Clash (Ladies)
2024/10/12
2024/10/12
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1354.1
1352.1
Analysis
44
Centurion Chess Open Tournament 2024 (B)
2024/09/21
2024/09/21
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1370.3
1369.4
Analysis
43
2024 Etienne Lewis (U18+U20)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
6
2.5
1370.3
1369.4
Analysis
42
Gauteng Schools Individuals Finals 2024 (U18 Girls)
2024/08/17
2024/08/17
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1370.3
1369.4
Analysis
41
2024 Tshwane North School District Team League Finals (U17)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1364.3
1362.9
Analysis
40
2024 Tshwane North School District Cluster 4 & 5 Team League (U17)
2024/07/20
2024/07/20
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1371.8
1371.2
Analysis
39
2024 Tshwane North School District CLOSED Individual Champioships (U18 Girls)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1254.1
1244.3
Analysis
38
District 3 Cluster 4 and 5 Individuals 2024 (U18 Girls)
2024/05/04
2024/05/04
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1254.1
1244.3
Analysis
37
2024 Milos Ristic Open Chess Tournament (B)
2024/04/27
2024/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1271.7
1264.1
Analysis
36
2024 Lubowski Open Chess Tournament (D1)
2024/03/23
2024/03/24
Tshwane (GTP)
Standard
90
0.94
5
4
2.0
1255.8
1244.7
Analysis
35
2024 Constantiapark Open (C)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1289.0
1285.0
Analysis
34
2024 Tshwane Chess OPEN Registration Tournament (C2)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1266.9
1260.5
Analysis
33
2024 Gauteng Inter-Region Chess Championship (U18 Girls)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
3
3.0
1266.9
1260.5
Analysis
32
2023 Tuks Open Chess Tournament (C)
2023/10/07
2023/10/07
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1282.1
1277.1
Analysis
31
2023 Etienne Lewis Closed Tournament (U18+U20)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
6
2.5
1282.1
1275.7
Analysis
30
2023 Lubowski Open Tournament (C)
2023/06/24
2023/06/25
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1272.5
1269.7
Analysis
29
Gauteng Schools Individual Finals 2023 (U18 Girls)
2023/05/27
2023/05/27
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1135.7
1132.0
Analysis
28
2023 Tshwane North School District CLOSED Individual Championships (D3) (U18 Girls)
2023/05/13
2023/05/13
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1135.7
1132.0
Analysis
27
2023 Milos Ristic Open Tournament (C)
2023/04/27
2023/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1125.7
1119.6
Analysis
26
2023 Afrikaans Hoër Seunskool Open Chess Tournament (C)
2023/03/04
2023/03/04
Tshwane (GTP)
Standard
60
0.83
5
4
1.5
1119.7
1111.6
Analysis
1
2
3
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
61
31
4
26
33.0
54.1
34.8
1294.8
1329.6
White
32
20
2
10
21.0
65.6
132.8
1300.8
1433.6
Black
29
11
2
16
12.0
41.4
-73.3
1288.1
1214.8
Standard
All
61
31
4
26
33.0
54.1
34.8
1294.8
1329.6
White
32
20
2
10
21.0
65.6
132.8
1300.8
1433.6
Black
29
11
2
16
12.0
41.4
-73.3
1288.1
1214.8
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
215
91
12
112
97.0
45.1
-41.5
1211.7
1170.2
White
109
49
6
54
52.0
47.7
-19.5
1204.3
1184.8
Black
106
42
6
58
45.0
42.5
-64.2
1219.3
1155.2
Standard
All
215
91
12
112
97.0
45.1
-41.5
1211.7
1170.2
White
109
49
6
54
52.0
47.7
-19.5
1204.3
1184.8
Black
106
42
6
58
45.0
42.5
-64.2
1219.3
1155.2
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
207079679
Sibanda, AP (Andile Patience)
5
0.5
0
1
4
10.0
1246.9
-340.0
906.9
View list
2
1120109890
Grahan, T (Tylo)
2
2.0
2
0
0
100.0
1168.2
425.0
1593.2
View list
3
2070141935
Isiuwa-Alaike, A (Adore)
2
2.0
2
0
0
100.0
1249.8
425.0
1674.8
View list
4
2050139947
Jones, G (Gretchen)
2
2.0
2
0
0
100.0
1137.6
425.0
1562.6
View list
5
206072961
Marumo, K (Kelebokgile)
2
2.0
2
0
0
100.0
1201.3
425.0
1626.3
View list
6
2080303459
Rapopo, K (Keratilwe)
2
2.0
2
0
0
100.0
1254.1
425.0
1679.1
View list
7
1100119500
Van Der Merwe, R (Ruben)
2
2.0
2
0
0
100.0
1027.3
425.0
1452.3
View list
8
206088651
Bothma, L (Liandri)
2
1.5
1
1
0
75.0
1036.4
212.5
1248.9
View list
9
2070143697
Tivane, L (Lebo)
2
1.5
1
1
0
75.0
1254.1
212.5
1466.6
View list
10
1150130726
Badenhorst, D (Daniel)
2
1.0
1
0
1
50.0
1048.9
0.0
1048.9
View list
11
1130136148
Conradie, D (Dirk)
2
1.0
1
0
1
50.0
1158.3
0.0
1158.3
View list
12
1100115347
Weitz, C (Christiaan)
2
1.0
1
0
1
50.0
829.8
0.0
829.8
View list
13
1110114764
Botha, RMJ (Robert)
2
0.5
0
1
1
25.0
878.2
-212.5
665.7
View list
14
2060139945
Du Toit, B (Bonicia Bianca)
2
0.5
0
1
1
25.0
1194.9
-212.5
982.4
View list
15
1010192133
Janse Van Rensburg, G (Gerrit)
2
0.0
0
0
2
0.0
1263.8
-425.0
838.8
View list
16
1070156014
Masilo, S (Sifiso)
2
0.0
0
0
2
0.0
1368.0
-425.0
943.0
View list
17
2080096094
Padayachy, S (Shreya)
2
0.0
0
0
2
0.0
1141.9
-425.0
716.9
View list
18
208048362
Reyneke, T (Talia)
2
0.0
0
0
2
0.0
1153.8
-425.0
728.8
View list
19
2120109366
Theron, C (Carla)
2
0.0
0
0
2
0.0
958.6
-425.0
533.6
View list
20
2120105112
Bogaard, A (Anneke)
1
1.0
1
0
0
100.0
1063.6
425.0
1488.6
View list