Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

Hannah Osborne

211087036
Cape Town (WCT)
Personal
Main rating
Rating 1484.1
K-factor 32
Floor 998.7
Highest 1498.7 (2026-06-01)
Min/Max +/- allowed 108
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1461.2
Final +/- 0
New Rating
()
Rating 1484.1
K-factor 32
Floor 998.7
Highest 1498.7 (2026-06-01)
Min/Max +/- allowed 108.3
Standard rating
Rating 1482.9
K-factor 32
Floor 1010.9
Highest 1510.9 (2026-06-01)
Min/Max +/- allowed 106.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1461.2
Final +/- 0
New Rating
()
Rating 1482.9
K-factor 32
Floor 1010.9
Highest 1510.9 (2026-06-01)
Min/Max +/- allowed 106.5
Rapid rating
Rating 1166.7
K-factor 36
Floor 734.4
Highest 1321.9 (2018-10-01)
Min/Max +/- allowed 139.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 826.7
Final +/- 0
New Rating
()
Rating 1166.7
K-factor 36
Floor 734.4
Highest 1321.9 (2018-10-01)
Min/Max +/- allowed 139.4
Blitz rating
Rating 1140.4
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1140.4
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 South African Open Championship 2026 (U15 Girls) Classical 2026-07-02 2026-07-05 Cape Town (WCT) 7 1427.8 7 4.5 1600.2 56.2 Details
2 Bellville Chess Club Champs 2026 (B) Standard 2026-02-02 2026-06-22 Cape Town (WCT) 11 1498.7 10 5.5 1407.2 -31.8 Details
3 CTCF Open Championship 2026 (U16) Classical 2026-06-13 2026-06-14 Cape Town (WCT) 6 1498.7 6 3 1324 -39 Details
4 2026 WCSC HS Individual Championship (U15 Girls) Standard 2026-05-02 2026-05-03 Eden (WEG) 6 1443.8 6 5 1657.8 40.3 Details
5 CT Metro Schools Individual Closed 2026 (U15 Girls) Standard 2026-03-07 2026-03-08 Cape Town (WCT) 6 1385 6 5 1590.1 39.7 Details
6 CT Metro North Schools Chess Individual Trials 2026 (U15 Girls) Standard 2026-02-14 2026-02-15 Cape Town 6 1385 6 4 1486.2 19 Details
7 Cape Town Chess Federation Club League 2025 (D) Classical 2025-07-26 2025-09-27 Cape Town (WCT) 11 1361.1 9 6 1428.9 17 Details
8 Bellville Rapid 2025 (B) Rapid 2025-06-07 2025-06-07 Cape Town (WCT) 6 1369.2 6 3 1227.4 -9.3 Details
9 Bellville Club Championship 2025 (B) Standard 2025-03-03 2025-05-26 Cape Town (WCT) 9 1369.2 9 4.5 1374.8 0.3 Details
10 Western Cape Closed 2025 (C) Standard 2025-03-08 2025-03-09 Cape Town (WCT) 6 1358.4 6 4 1408.4 6.8 Details
11 Cape of Good Hope Open 2025 (Intermediate) Standard 2025-02-22 2025-02-23 Cape Town (WCT) 6 1346.3 6 4 1410.2 7.6 Details
12 Bellville Chess Club Champs 2024 (C) Standard 2024-08-07 2024-08-07 Cape Town (WCT) 7 1361.2 7 4 1296.4 -9.3 Details
13 CT League 2024 (D) Standard 2024-08-03 2024-08-03 Cape Town (WCT) 6 1419.9 6 2 1118 -36.9 Details
14 Cape Town Chess Federation Closed Chess Championships 2024 (U14) Standard 2024-06-15 2024-06-16 Cape Town (WCT) 6 1392.1 6 4 1466.1 8.9 Details
15 Western Cape PS Individuals Championship 2024 (U13 Girls) Standard 2024-05-04 2024-05-05 West Coast (WCU) 6 1344.9 6 4 1569.1 26.2 Details
16 Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Girls) Standard 2024-03-02 2024-03-03 Cape Town (WCT) 6 1286.9 6 5 1563.5 32.2 Details
17 Steinitz Club Team Blitz Championship 2024 Blitz 2024-02-15 2024-02-15 Cape Town (WCT) 7 1246.8 7 3.5 1284.2 0.9 Details
18 North District School Trials 2024 (U13 Girls) Standard 2024-02-03 2024-02-03 Cape Town (WCT) 5 1246.8 5 4 1470.6 21.2 Details
19 Chas Everitt and MHI Attorneys Rapid 2023 (B) Rapid 2023-11-04 2023-11-04 Cape Town (WCT) 6 1262 6 2 1150.7 -8.6 Details
20 WP Club League 2023 (A) Classical 2023-07-29 2023-09-09 Cape Town (WCT) 11 1276.4 1 0 897.7 -8 Details
21 WP Club League 2023 (D1) Standard 2023-07-29 2023-08-19 Cape Town (WCT) 6 1281.1 5 3 1247.9 -2.6 Details
22 Bellville Club Championship 2023 Standard 2023-04-17 2023-07-31 Cape Town (WCT) 7 1317.9 6 2 1144 -20.3 Details
23 Western Cape PS Individuals 2023 (U13 Girls) Standard 2023-05-05 2023-05-06 Cape Town (WCT) 6 1285.6 6 4 1436.8 17.8 Details
24 Cape Town Metro Schools Chess Closed Individuals 2023 (U13 Girls) Standard 2023-02-03 2023-03-04 Cape Town (WCT) 6 1239.9 6 4 1457.6 25.4 Details
25 North District School Trials 2023 (U13 Girls) Standard 2023-02-03 2023-02-04 Cape Town (WCT) 6 1224.7 5 2.5 1320.2 8.5 Details
26 Kenridge Rapid 2022 (B) Rapid 2022-11-05 2022-11-05 Cape Town (WCT) 6 1230.7 6 2 1188.9 -3.3 Details
27 2022 Western Province Club League (D) Standard 2022-08-27 2022-10-01 Cape Town (WCT) 7 1236.7 6 2.5 1222.6 -3.3 Details
28 Bellville Chess Club Champs 2022 (Group 4) Standard 2022-05-16 2022-07-04 Cape Town (WCT) 7 1266.8 6 2.5 1140.4 -16.7 Details
29 WP Closed 2022 (U12) Standard 2022-06-16 2022-06-16 Cape Town (WCT) 6 1245.8 6 3.5 1341.3 11.7 Details
30 Steinitz Open 2022 (C) Standard 2022-05-21 2022-05-22 Cape Town (WCT) 5 1266.7 5 2 1154.5 -11.6 Details
31 Western Province Open 2022 (U12) Standard 2022-02-26 2022-02-27 Cape Town (WCT) 6 1229.7 6 4 1398.8 20.8 Details
32 Kraaifontein Open 2022 (U12) Standard 2022-01-08 2022-01-09 Cape Town (WCT) 6 1280.4 6 1.5 1109.8 -22.5 Details
33 2022 Cape Of Good Hope Open (U12) Standard 2022-01-29 2022-01-30 Cape Town (WCT) 6 1280.4 6 3 1237.8 -5.2 Details
34 CWP Youth Day Rapid 2021 (U12) Rapid 2021-06-16 2021-06-16 Cape Town (WCT) 5 1271.1 5 3 1344.2 5.1 Details
35 2020 Western Province Open (Prestige) Standard 2020-03-07 2020-03-08 Cape Town (WCT) 6 1271.5 4 1 995.8 -22.5 Details
36 2020 Metro Trials (U9 Girls) Standard 2020-03-13 2020-03-14 Cape Town (WCT) 5 1271.5 5 4 1427.9 14.6 Details
37 Metro North Individual Trials 2020 (U7+U9) Standard 2020-02-07 2020-02-08 Cape Town (WCT) 5 1242.5 5 4 1400.4 16.3 Details
38 2019 South African Junior Team Championships (U10 Girls) Classical 2020-01-04 2020-01-08 4 Knights (4K) 7 1184.9 7 5 1383.2 31.8 Details
39 2019 Kraaifontein Open (Development) Standard 2019-12-07 2019-12-08 Cape Town (WCT) 6 1164.7 6 3.5 1258 11.3 Details
40 Bellville Rapid Oct 2019 Rapid 2019-10-14 2019-10-14 Cape Town (WCT) 6 1187.3 6 1 947.1 -12.6 Details
41 Bellville Blitz 2019 Blitz 2019-09-16 2019-09-16 Cape Town (WCT) 6 1166.6 6 1.5 1031.6 -4.7 Details
42 3rd ACL Chess Festival 2019 (U10) Rapid 2019-09-05 2019-09-05 Cape Town (WCT) 6 1166.6 6 4 1378.9 16.2 Details
43 Curro Durbanville Chess Tournament 2019 (Premier) Standard 2019-08-23 2019-08-24 Cape Town (WCT) 6 1283.1 6 2.5 1016.6 -23.4 Details
44 2019 Western Province League (E) Standard 2019-07-27 2019-08-10 Cape Town (WCT) 9 1283.1 1 0 775 -9.1 Details
45 2019 Western Province League (E) Standard 2019-07-27 2019-08-10 Cape Town (WCT) 9 1283.1 6 2 1006.9 -32.2 Details
46 2019 WP Youth Open (D) Standard 2019-07-13 2019-07-13 Cape Town (WCT) 5 1245.5 5 4 1466.5 20.9 Details
47 Bellville Club Champs 2019 (C2) Standard 2019-04-29 2019-06-03 Cape Town (WCT) 5 1239 5 2 1122.1 -12 Details
48 2019 Groote Schuur High School Blitz Blitz 2019-06-14 2019-06-14 Cape Town (WCT) 9 1239 9 4 1250 0.3 Details
49 South African Schools Individuals Chess Championships 2019 (U7+U9 Girls) Standard 2019-06-18 2019-06-21 Frances Baard (NCF) 7 1239 7 5 1357.6 15.6 Details
50 Stellenberg Youth Chess Championship 2019 (E) Standard 2019-05-01 2019-05-01 Cape Town (WCT) 5 1158.8 5 4 1441 26.9 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 41
Wins 26
Draws 2
Losses 13
White 20
Black 21
White wins 12
Black wins 14
Score 27
Percent 65.9
Dp 134.8
AOR 1368.2
Performance 1503
Game statistics (History)
Games 421
Wins 215
Draws 14
Losses 192
White 216
Black 212
White wins 115
Black wins 102
Score 222
Percent 52.7
Dp 23.2
AOR 1234.3
Performance 1257.5
Rankings (Main)
National
Overall 2185
Gender 282
Age group 257
Gender/Age 50
Provincial
Overall 648
Gender 104
Age group 80
Gender/Age 16
Regional
Overall 346
Gender 45
Age group 38
Gender/Age 7
Rankings (Standard)
National
Overall 1988
Gender 286
Age group 247
Gender/Age 51
Provincial
Overall 556
Gender 105
Age group 74
Gender/Age 18
Regional
Overall 314
Gender 47
Age group 37
Gender/Age 9
Rankings (Rapid)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 41
Score 27
Percent 65.9
Aor 1368.2
Dp 134.8
Prat 1503
Performance (12 months)
Games 50
Score 33
Percent 66
Aor 1353.6
Dp 136
Prat 1489.6
Performance (History)
Games 421
Score 222
Percent 52.7
Aor 1234.3
Dp 23.2
Prat 1257.5
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Hagen, S (Sophia) 6 2 4 Metro North Individual Trials 2020 (U7+U9) South African Open Championship 2026 (U15 Girls) Details
Overall 2 Coetzee, K (Kara) 5 2 3 District North Schools Chess Trials 2019 (U9) Cape Town Metro Schools Chess Closed Individuals 2023 (U13 Girls) Details
Overall 3 Jacobs, T (Teleah) 5 0 5 Metro School Chess Closed Individual Trials 2019 (U7+U9 Girls) 2026 WCSC HS Individual Championship (U15 Girls) Details
Overall 4 Snyman, MM (Mila Marie) 5 2 3 North District School Trials 2023 (U13 Girls) South African Open Championship 2026 (U15 Girls) Details
Overall 5 Osborne, R (Ryan Eugene) 5 3 2 Stellenberg Youth Chess Champs 2018 (C) Bellville Chess Club Champs 2026 (B) Details
Standard 1 Hagen, S (Sophia) 6 2 4 Metro North Individual Trials 2020 (U7+U9) South African Open Championship 2026 (U15 Girls) Details
Standard 2 Coetzee, K (Kara) 5 2 3 District North Schools Chess Trials 2019 (U9) Cape Town Metro Schools Chess Closed Individuals 2023 (U13 Girls) Details
Standard 3 Jacobs, T (Teleah) 5 0 5 Metro School Chess Closed Individual Trials 2019 (U7+U9 Girls) 2026 WCSC HS Individual Championship (U15 Girls) Details
Standard 4 Snyman, MM (Mila Marie) 5 2 3 North District School Trials 2023 (U13 Girls) South African Open Championship 2026 (U15 Girls) Details
Standard 5 Wilson, EM (Emlyn Marissa) 4 1 3 Metro North Individual Trials 2020 (U7+U9) Western Province Open 2022 (U12) Details
Blitz 1 Afonso, IS (Isabella) 2 0 2 Bellville Chess Club 01 Blitz Tournament 2019 Bellville Blitz 2019 Details