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

PLAYER PAGE

Sienne Scullard

209076633
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1481.5
K-factor 28
Floor 1106.5
Highest 1623.2 (2024-09-01)
Min/Max +/- allowed 91
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1314.1
Final +/- 0
New Rating
()
Rating 1481.5
K-factor 28
Floor 1106.5
Highest 1623.2 (2024-09-01)
Min/Max +/- allowed 90.7
Standard rating
Rating 1491.9
K-factor 28
Floor 1101.6
Highest 1618.4 (2024-09-01)
Min/Max +/- allowed 91.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1302.9
Final +/- 0
New Rating
()
Rating 1491.9
K-factor 28
Floor 1101.6
Highest 1618.4 (2024-09-01)
Min/Max +/- allowed 91.4
Rapid rating
Rating 1277.6
K-factor 36
Floor 704.7
Highest 1322.9 (2018-05-01)
Min/Max +/- allowed 139.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1246.9
Final +/- 0
New Rating
()
Rating 1277.6
K-factor 36
Floor 704.7
Highest 1322.9 (2018-05-01)
Min/Max +/- allowed 139.2
Blitz rating
Rating 1189.7
K-factor 40
Floor 689.7
Highest 1441.9 (2023-09-01)
Min/Max +/- allowed 117.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1189.7
K-factor 40
Floor 689.7
Highest 1441.9 (2023-09-01)
Min/Max +/- allowed 117.5
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 JMC Closed 2026 (B) Standard 2026-08-01 2026-08-02 Johannesburg Metro (GJM) 5 1481.5 4 1 1213.1 -37.7 Details
2 JMC Trinityhouse Randpark Ridge 2026 (B) Standard 2026-06-27 2026-06-27 Johannesburg Metro (GJM) 5 1559.2 5 2 1379.4 -23.5 Details
3 JMC Queens of the Board Rapid 2026 (Junior) Rapid 2026-06-13 2026-06-13 Johannesburg Metro (GJM) 5 1559.2 5 3.5 1555.6 -0.8 Details
4 JMC Helpmekaar 2026 (B) Standard 2026-05-31 2026-05-31 Johannesburg Metro (GJM) 5 1559.2 5 2.5 1436.3 -15.6 Details
5 Kloof Kings and Queens Clash 2026 (Cup) Rapid 2026-04-11 2026-04-11 Tshwane (GTP) 2 1577 2 1 1361.8 -9.8 Details
6 Kloof Kings and Queens Clash 2026 (First Round) Rapid 2026-04-11 2026-04-11 Tshwane (GTP) 3 1577 3 2 1447 -8 Details
7 Goue Liga Blitz 2025 Blitz 2025-10-25 2025-10-25 Johannesburg Metro (GJM) 9 1584.3 8 6 1474.6 -5.1 Details
8 Gauteng Inter-Region at UJ 2024 (U16+U18 Girls) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1587.7 5 3 1556.9 -2.4 Details
9 Mzansi Summer Rapid 2024 (A) Rapid 2024-10-26 2024-10-26 Johannesburg Metro (GJM) 6 1606.5 5 2 1591.1 -1.4 Details
10 Gauteng Top Schools 2024 (U19 Open) Rapid 2024-10-05 2024-10-05 Ekurhuleni (GE) 5 1606.5 5 3 1394.3 -11.9 Details
11 2024 South Africa National Schools Chess Championship (U15 Girls) Standard 2024-09-27 2024-09-28 Nelson Mandela Bay (ENM) 7 1498.4 7 6.5 1746.3 36.9 Details
12 Gauteng Schools Individuals Finals 2024 (U15 Girls) Standard 2024-08-17 2024-08-17 Ekurhuleni (GE) 5 1498.4 5 4.5 1630.5 13.8 Details
13 JMC Closed 2024 (B) Standard 2024-08-09 2024-08-11 Johannesburg Metro (GJM) 5 1482.2 5 3 1579.8 10.1 Details
14 2024 African Youth Chess Championship Classical 2024-06-16 2024-06-22 Tshwane (GTP) 9 1453.7 9 4.5 1534.5 17.8 Details
15 South African Junior Closed Chess Championship 2024 (U16 Girls) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1479.3 9 5 1407.1 -16 Details
16 2024 Gauteng Inter-Region Chess Championship (U16 Girls) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1418.9 4 4 1647.9 20.4 Details
17 JMC Kick Off Tournament 2024 (C) Standard 2024-01-28 2024-01-28 Johannesburg Metro (GJM) 5 1418.9 5 3.5 1602.8 17.3 Details
18 Helpmekaar Kollege Blitz Chess Invitational Sep 2023 Blitz 2023-09-16 2023-09-16 Johannesburg Metro (GJM) 9 1401.5 8 7 1630 10.7 Details
19 2023 Gauteng Top Schools (U15 Mixed) Standard 2023-08-19 2023-08-19 West Rand (GWR) 5 1440.6 5 3 1443.8 -0.3 Details
20 JMC Closed Aug 2023 (U16) Standard 2023-08-04 2023-08-06 Johannesburg Metro (GJM) 6 1440.6 6 1.5 1180.6 -34.3 Details
21 2023 SA Schools Winter Games (U15 Girls) Standard 2023-07-04 2023-07-06 West Rand (GWR) 7 1395 7 4.5 1591.1 26.8 Details
22 Gauteng Open Arnold Classic 2023 (U16) Rapid 2023-05-19 2023-05-19 Tshwane (GTP) 5 1321 5 4 1534.7 15.7 Details
23 Gauteng Schools Individual Finals 2023 (U15 Girls) Standard 2023-05-27 2023-05-27 Ekurhuleni (GE) 5 1321 5 4.5 1626 30.5 Details
24 JMC 2nd Trials 2022 (B) Standard 2022-08-27 2022-08-27 Johannesburg Metro (GJM) 5 1343.8 5 2 1205.6 -14.1 Details
25 JNW Helpmekaar 2022 (Challengers) Standard 2022-07-09 2022-07-09 Johannesburg Metro (GJM) 5 1365 5 2.5 1205.4 -14.8 Details
26 JMC Trials 1 - Laerskool Fontainebleau 2022 (U14) Standard 2022-07-24 2022-07-24 Johannesburg Metro (GJM) 5 1365 5 3 1373.3 1.7 Details
27 World Cadets Rapid Championships 2022 Rapid 2022-05-01 2022-05-02 FIDE (FID) 9 1416.2 7 0 960.4 -28.9 Details
28 World Youth Blitz Championships 2022 Blitz 1900-01-01 1900-01-01 FIDE (FID) 9 1416.2 6 3 1290.5 -3.1 Details
29 2022 Gauteng Interregion (U14 Open) Standard 2022-02-26 2022-02-26 Tshwane (GTP) 5 1404.2 5 3 1488.6 7.5 Details
30 JMC Helpmekaar 2021 (U14) Rapid 2021-09-06 2021-09-06 Johannesburg Metro (GJM) 5 1371.8 5 4 1635.2 18.2 Details
31 JNW Club - Bryanston Open1 2020 (C) Standard 2020-02-01 2020-02-01 Johannesburg Metro (GJM) 5 1321.5 5 3 1419.4 8.8 Details
32 Chessnuts 1 - 29 February 2020 (Kings) Standard 2020-02-29 2020-02-29 Johannesburg Metro (GJM) 5 1321.5 5 2.5 1399 8.1 Details
33 2019 South African Junior Team Championships (U12A) Classical 2020-01-04 2020-01-08 4 Knights (4K) 7 1267.1 7 5 1456.1 30.2 Details
34 GJM vs GE Inter Region 2019 (U12A) Standard 2019-10-05 2019-10-05 Johannesburg Metro (GJM) 5 1294.6 2 0 903.6 -15.3 Details
35 JNW Club - Helpmekaar Kollege Open 2019 (B) Standard 2019-07-06 2019-07-06 Johannesburg Metro (GJM) 5 1279.3 5 2 1238.6 -3.3 Details
36 JHB Metro Closed 2019 (U12) Standard 2019-07-27 2019-07-28 Johannesburg Metro (GJM) 6 1279.3 6 4 1323.3 6 Details
37 Chessnuts Under 1200 Rated Tournament 2019 (Kings) Standard 2019-07-13 2019-07-13 Johannesburg Metro (GJM) 5 1279.3 5 3 1329.4 5.6 Details
38 JNW Club - Hoerskool Linden 2019 (C) Standard 2019-06-15 2019-06-15 Johannesburg Metro (GJM) 5 1308 5 2 1150 -16.1 Details
39 2019 Super 12 Laerskole (Juniors) Rapid 2019-05-04 2019-05-04 Tshwane (GTP) 5 1212.5 5 4 1430 15 Details
40 JNW Club - Bryanston Open 2 2019 (C) Standard 2019-05-11 2019-05-11 Johannesburg Metro (GJM) 5 1212.5 5 5 1612.4 38.3 Details
41 2019 South African Junior Closed Chess Championship (U10 Girls) Classical 2019-03-17 2019-03-22 Chess South Africa (CSA) 9 1225.5 9 5 1195.1 -7.2 Details
42 JNW Club - Trinityhouse Little Falls Open 2019 (C) Standard 2019-02-23 2019-02-23 Johannesburg Metro (GJM) 5 1337.3 5 2 1068.8 -25.4 Details
43 Chessnuts Challenge 1 2019 (Kings) Standard 2019-02-02 2019-02-02 Johannesburg Metro (GJM) 5 1337.3 5 1 951.5 -36.9 Details
44 South African Junior Team Championships 2018 (U10B) Classical 2018-12-16 2018-12-20 4 Knights (4K) 7 1298.1 7 7 1386.8 22 Details
45 Inter Region GE vs JHB Metro 2018 (U10B) Standard 2018-10-06 2018-10-06 Ekurhuleni (GE) 5 1241.1 5 5 1457.4 22.7 Details
46 2018 Gauteng League Final (U11) Standard 2018-08-24 2018-08-24 Tshwane (GTP) 5 1144.5 5 5 1457.3 30.2 Details
47 Chessnuts - Under 1000 Ratings Tournament 2018 (A) Standard 2018-07-21 2018-07-21 Johannesburg Metro (GJM) 5 1174.2 5 3 1152.8 -2.7 Details
48 JHB Metro Junior Closed 2018 (U10) Standard 2018-07-28 2018-07-29 Johannesburg Metro (GJM) 6 1174.2 6 3 1044.1 -15 Details
49 Chessnuts Youth Day Chess Tournament 2018 (U10) Standard 2018-06-16 2018-06-16 Johannesburg Metro (GJM) 5 1043.9 5 4 1368.4 30.9 Details
50 2018 Super 12 (Junior) Rapid 2018-05-05 2018-05-05 Tshwane (GTP) 5 792.8 5 4 1330.3 38.1 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 24
Wins 11
Draws 2
Losses 11
White 11
Black 13
White wins 6
Black wins 5
Score 12
Percent 50
Dp 0
AOR 1407.2
Performance 1407.2
Game statistics (History)
Games 288
Wins 170
Draws 14
Losses 104
White 147
Black 141
White wins 103
Black wins 67
Score 177
Percent 61.5
Dp 97.4
AOR 1261.8
Performance 1359.2
Rankings (Main)
National
Overall 2223
Gender 288
Age group 291
Gender/Age 44
Provincial
Overall 771
Gender 101
Age group 111
Gender/Age 19
Regional
Overall 260
Gender 33
Age group 33
Gender/Age 6
Rankings (Standard)
National
Overall 1876
Gender 257
Age group 256
Gender/Age 38
Provincial
Overall 693
Gender 92
Age group 100
Gender/Age 16
Regional
Overall 243
Gender 33
Age group 32
Gender/Age 6
Rankings (Rapid)
National
Overall 2558
Gender 475
Age group 339
Gender/Age 65
Provincial
Overall 588
Gender 108
Age group 91
Gender/Age 18
Regional
Overall 178
Gender 25
Age group 19
Gender/Age 4
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 24
Score 12
Percent 50
Aor 1407.2
Dp 0
Prat 1407.2
Performance (12 months)
Games 32
Score 18
Percent 56.2
Aor 1371
Dp 53.1
Prat 1424.1
Performance (History)
Games 294
Score 180
Percent 61.2
Aor 1262.4
Dp 95.4
Prat 1357.8
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Ramlall, S (Sanjana) 4 2 2 JNW Club - Helpmekaar Kollege Open 2019 (B) JMC Closed 2024 (B) Details
Overall 2 Fauconier, A (Amber) 4 3 1 JNW Club - Bryanston Open 2 2019 (C) South African Junior Closed Chess Championship 2024 (U16 Girls) Details
Overall 3 Voigt, D (Daniel) 3 2 1 Fonties Challenge 2018 (U9) JMC Closed Aug 2023 (U16) Details
Overall 4 Bothma, I (Isabella) 3 1 2 Chessnuts - Kickoff Open 2018 (D) JNW Club - Hoerskool Linden 2019 (C) Details
Overall 5 Bijker, W (Waldo) 3 3 0 JNW Club - Bryanston Open1 2020 (C) JMC Trinityhouse Randpark Ridge 2026 (B) Details
Standard 1 Ramlall, S (Sanjana) 4 2 2 JNW Club - Helpmekaar Kollege Open 2019 (B) JMC Closed 2024 (B) Details
Standard 2 Fauconier, A (Amber) 4 3 1 JNW Club - Bryanston Open 2 2019 (C) South African Junior Closed Chess Championship 2024 (U16 Girls) Details
Standard 3 Bijker, W (Waldo) 3 3 0 JNW Club - Bryanston Open1 2020 (C) JMC Trinityhouse Randpark Ridge 2026 (B) Details
Standard 4 Voigt, D (Daniel) 3 2 1 Fonties Challenge 2018 (U9) JMC Closed Aug 2023 (U16) Details
Standard 5 Bothma, I (Isabella) 3 1 2 Chessnuts - Kickoff Open 2018 (D) JNW Club - Hoerskool Linden 2019 (C) Details