Player Page

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
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 rating1331.7
Current Weighted rating1307.1
Current Weighted performance1226.6
Current official/published rating (highest between Raw, WR and WP)1331.7
Current highest rating achieved1371.8
Current floor (min rating allowed)871.8
Current K-factor36
Games played this month0
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 rating1331.7
Projected new Weighed rating1205.3
Projected new Weighted performance1226.6
Projected new final Raw rating (if new WP > new Raw)1331.7
Projected new highest rating1371.8
Projected new floor871.8
Projected new K-facor36
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 rating1326.2
Current Weighted rating1302.4
Current Weighted performance1226.6
Current official/published rating (highest between Raw, WR and WP)1326.2
Current highest rating achieved1371.2
Current floor (min rating allowed)871.2
Current K-factor36
Games played this month0
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 rating1326.2
Projected new Weighed rating1201.0
Projected new Weighted performance1226.6
Projected new final Raw rating (if new WP > new Raw)1326.2
Projected new highest rating1371.2
Projected new floor871.2
Projected new K-facor36
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
s
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 rating854.7
Current Weighted rating854.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)854.7
Current highest rating achieved854.7
Current floor (min rating allowed)500.0
Current K-factor40
Games played this month0
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 rating854.7
Projected new Weighed rating786.3
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating854.7
Projected new floor500.0
Projected new K-facor40
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 rating854.7
Current Weighted rating854.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)854.7
Current highest rating achieved854.7
Current floor (min rating allowed)500.0
Current K-factor40
Games played this month0
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 rating854.7
Projected new Weighed rating786.3
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating854.7
Projected new floor500.0
Projected new K-facor40
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
123
Game 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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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