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

PLAYER PAGE

Sienne Scullard

209076633
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1519.3
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 1378.6
Final +/- 0
New Rating
()
Rating 1519.3
K-factor 28
Floor 1106.5
Highest 1623.2 (2024-09-01)
Min/Max +/- allowed 90.7
Standard rating
Rating 1534.5
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 1371.5
Final +/- 0
New Rating
()
Rating 1534.5
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 1266.9
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 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
2 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
3 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
4 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
5 Kloof Kings and Queens Clash 2026 (First Round) Rapid 2026-04-11 2026-04-11 Tshwane (GTP) 3 1577 3 2 1447 -8 Details
6 Goue Liga Blitz 2025 Blitz 2025-10-25 2025-10-25 Johannesburg Metro (GJM) 9 1584.3 8 6 1474.6 -5.1 Details
7 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
8 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
9 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
10 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
11 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
12 JMC Closed 2024 (B) Standard 2024-08-09 2024-08-11 Johannesburg Metro (GJM) 5 1482.2 5 3 1579.8 10.1 Details
13 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
14 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
15 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
16 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
17 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
18 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
19 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
20 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
21 Gauteng Open Arnold Classic 2023 (U16) Rapid 2023-05-19 2023-05-19 Tshwane (GTP) 5 1321 5 4 1534.7 15.7 Details
22 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
23 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
24 JNW Helpmekaar 2022 (Challengers) Standard 2022-07-09 2022-07-09 Johannesburg Metro (GJM) 5 1365 5 2.5 1205.4 -14.8 Details
25 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
26 World Cadets Rapid Championships 2022 Rapid 2022-05-01 2022-05-02 FIDE (FID) 9 1416.2 7 0 960.4 -28.9 Details
27 World Youth Blitz Championships 2022 Blitz 1900-01-01 1900-01-01 FIDE (FID) 9 1416.2 6 3 1290.5 -3.1 Details
28 2022 Gauteng Interregion (U14 Open) Standard 2022-02-26 2022-02-26 Tshwane (GTP) 5 1404.2 5 3 1488.6 7.5 Details
29 JMC Helpmekaar 2021 (U14) Rapid 2021-09-06 2021-09-06 Johannesburg Metro (GJM) 5 1371.8 5 4 1635.2 18.2 Details
30 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
31 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
32 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
33 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
34 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
35 JHB Metro Closed 2019 (U12) Standard 2019-07-27 2019-07-28 Johannesburg Metro (GJM) 6 1279.3 6 4 1323.3 6 Details
36 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
37 JNW Club - Hoerskool Linden 2019 (C) Standard 2019-06-15 2019-06-15 Johannesburg Metro (GJM) 5 1308 5 2 1150 -16.1 Details
38 2019 Super 12 Laerskole (Juniors) Rapid 2019-05-04 2019-05-04 Tshwane (GTP) 5 1212.5 5 4 1430 15 Details
39 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
40 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
41 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
42 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
43 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
44 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
45 2018 Gauteng League Final (U11) Standard 2018-08-24 2018-08-24 Tshwane (GTP) 5 1144.5 5 5 1457.3 30.2 Details
46 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
47 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
48 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
49 2018 Super 12 (Junior) Rapid 2018-05-05 2018-05-05 Tshwane (GTP) 5 792.8 5 4 1330.3 38.1 Details
50 JNW Club - Linden Open 2018 (D) Standard 2018-04-14 2018-04-14 Johannesburg Metro (GJM) 5 663 5 2 1082.7 31 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 20
Wins 10
Draws 2
Losses 8
White 9
Black 11
White wins 5
Black wins 5
Score 11
Percent 55
Dp 42.5
AOR 1403.6
Performance 1446.1
Game statistics (History)
Games 284
Wins 169
Draws 14
Losses 101
White 145
Black 139
White wins 102
Black wins 67
Score 176
Percent 62
Dp 101.8
AOR 1259.5
Performance 1361.3
Rankings (Main)
National
Overall 1801
Gender 200
Age group 222
Gender/Age 32
Provincial
Overall 643
Gender 81
Age group 82
Gender/Age 13
Regional
Overall 230
Gender 30
Age group 28
Gender/Age 5
Rankings (Standard)
National
Overall 1493
Gender 170
Age group 185
Gender/Age 31
Provincial
Overall 553
Gender 68
Age group 70
Gender/Age 12
Regional
Overall 195
Gender 25
Age group 25
Gender/Age 5
Rankings (Rapid)
National
Overall 2517
Gender 457
Age group 304
Gender/Age 56
Provincial
Overall 529
Gender 96
Age group 67
Gender/Age 13
Regional
Overall 187
Gender 26
Age group 19
Gender/Age 3
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 20
Score 11
Percent 55
Aor 1403.6
Dp 42.5
Prat 1446.1
Performance (12 months)
Games 28
Score 17
Percent 60.7
Aor 1363.1
Dp 91.1
Prat 1454.2
Performance (History)
Games 290
Score 179
Percent 61.7
Aor 1260.2
Dp 99.7
Prat 1359.8
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 Voigt, D (Daniel) 3 2 1 Fonties Challenge 2018 (U9) JMC Closed Aug 2023 (U16) Details
Standard 4 Bothma, I (Isabella) 3 1 2 Chessnuts - Kickoff Open 2018 (D) JNW Club - Hoerskool Linden 2019 (C) Details
Standard 5 Bijker, W (Waldo) 3 3 0 JNW Club - Bryanston Open1 2020 (C) JMC Trinityhouse Randpark Ridge 2026 (B) Details