PLAYER PAGE

Sienne Scullard

209076633
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1559.2
K-factor 28
Floor 1106.5
Highest 1623.2 (2024-09-01)
Min/Max +/- allowed 91
Rating Change
()
Games 5
Score 2.5
We 3.17
SWe -0.56
Temp +/- -15.6
Penalties 0
Weight perform 1316.5
Final +/- -15.6
New Rating
()
Rating 1543.5
K-factor 28
Floor 1106.5
Highest 1623.2 (2024-09-01)
Min/Max +/- allowed 90.7
Standard rating
Rating 1595.2
K-factor 28
Floor 1101.6
Highest 1618.4 (2024-09-01)
Min/Max +/- allowed 91.4
Rating Change
()
Games 5
Score 2.5
We 3.42
SWe -0.92
Temp +/- -25.7
Penalties 0
Weight perform 1384.6
Final +/- -25.7
New Rating
()
Rating 1569.5
K-factor 28
Floor 1101.6
Highest 1618.4 (2024-09-01)
Min/Max +/- allowed 91.4
Rapid rating
Rating 1223.3
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 1099.6
Final +/- 0
New Rating
()
Rating 1223.3
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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 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
2 Kloof Kings and Queens Clash 2026 (First Round) Rapid 2026-04-11 2026-04-11 Tshwane (GTP) 3 1577 3 2 1447 -8 Details
3 Goue Liga Blitz 2025 Blitz 2025-10-25 2025-10-25 Johannesburg Metro (GJM) 9 1584.3 8 6 1474.6 -5.1 Details
4 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
5 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
6 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
7 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
8 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
9 JMC Closed 2024 (B) Standard 2024-08-09 2024-08-11 Johannesburg Metro (GJM) 5 1482.2 5 3 1579.8 10.1 Details
10 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
11 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
12 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
13 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
14 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
15 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
16 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
17 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
18 Gauteng Open Arnold Classic 2023 (U16) Rapid 2023-05-19 2023-05-19 Tshwane (GTP) 5 1321 5 4 1534.7 15.7 Details
19 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
20 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
21 JNW Helpmekaar 2022 (Challengers) Standard 2022-07-09 2022-07-09 Johannesburg Metro (GJM) 5 1365 5 2.5 1205.4 -14.8 Details
22 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
23 World Cadets Rapid Championships 2022 Rapid 2022-05-01 2022-05-02 FIDE (FID) 9 1416.2 7 0 960.4 -28.9 Details
24 World Youth Blitz Championships 2022 Blitz 1900-01-01 1900-01-01 FIDE (FID) 9 1416.2 6 3 1290.5 -3.1 Details
25 2022 Gauteng Interregion (U14 Open) Standard 2022-02-26 2022-02-26 Tshwane (GTP) 5 1404.2 5 3 1488.6 7.5 Details
26 JMC Helpmekaar 2021 (U14) Rapid 2021-09-06 2021-09-06 Johannesburg Metro (GJM) 5 1371.8 5 4 1635.2 18.2 Details
27 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
28 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
29 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
30 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
31 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
32 JHB Metro Closed 2019 (U12) Standard 2019-07-27 2019-07-28 Johannesburg Metro (GJM) 6 1279.3 6 4 1323.3 6 Details
33 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
34 JNW Club - Hoerskool Linden 2019 (C) Standard 2019-06-15 2019-06-15 Johannesburg Metro (GJM) 5 1308 5 2 1150 -16.1 Details
35 2019 Super 12 Laerskole (Juniors) Rapid 2019-05-04 2019-05-04 Tshwane (GTP) 5 1212.5 5 4 1430 15 Details
36 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
37 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
38 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
39 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
40 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
41 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
42 2018 Gauteng League Final (U11) Standard 2018-08-24 2018-08-24 Tshwane (GTP) 5 1144.5 5 5 1457.3 30.2 Details
43 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
44 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
45 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
46 2018 Super 12 (Junior) Rapid 2018-05-05 2018-05-05 Tshwane (GTP) 5 792.8 5 4 1330.3 38.1 Details
47 JNW Club - Linden Open 2018 (D) Standard 2018-04-14 2018-04-14 Johannesburg Metro (GJM) 5 663 5 2 1082.7 31 Details
48 Fonties Challenge 2018 (U9) Standard 2018-04-21 2018-04-21 Johannesburg Metro (GJM) 5 663 5 3.5 1031.6 33.5 Details
49 Chessnuts - Kickoff Open 2018 (D) Standard 2018-02-09 2018-02-10 Johannesburg Metro (GJM) 6 572 6 4 1033.1 45.9 Details
50 South African Junior Team Championships 2017 (U10B) Classical 2018-01-04 2018-01-08 4 Knights (4K) 7 604.8 6 2 501.6 -16.2 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 10
Wins 5
Draws 1
Losses 4
White 4
Black 6
White wins 2
Black wins 3
Score 5.5
Percent 55
Dp 42.5
AOR 1382.1
Performance 1424.6
Game statistics (History)
Games 274
Wins 164
Draws 13
Losses 97
White 140
Black 134
White wins 99
Black wins 65
Score 170.5
Percent 62.2
Dp 103.9
AOR 1253.5
Performance 1357.4
Rankings (Main)
National
Overall 1366
Gender 132
Age group 160
Gender/Age 23
Provincial
Overall 489
Gender 56
Age group 60
Gender/Age 10
Regional
Overall 184
Gender 25
Age group 22
Gender/Age 5
Rankings (Standard)
National
Overall 1003
Gender 94
Age group 102
Gender/Age 14
Provincial
Overall 367
Gender 41
Age group 38
Gender/Age 6
Regional
Overall 146
Gender 21
Age group 15
Gender/Age 3
Rankings (Rapid)
National
Overall 3788
Gender 781
Age group 483
Gender/Age 100
Provincial
Overall 786
Gender 155
Age group 102
Gender/Age 25
Regional
Overall 260
Gender 36
Age group 26
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 10
Score 5.5
Percent 55
Aor 1382.1
Dp 42.5
Prat 1424.6
Performance (12 months)
Games 18
Score 11.5
Percent 63.9
Aor 1328.8
Dp 118.1
Prat 1446.8
Performance (History)
Games 280
Score 173.5
Percent 62
Aor 1254.3
Dp 101.7
Prat 1356
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Fauconier, A (Amber) 4 3 1 JNW Club - Bryanston Open 2 2019 (C) South African Junior Closed Chess Championship 2024 (U16 Girls) Details
Overall 2 Ramlall, S (Sanjana) 4 2 2 JNW Club - Helpmekaar Kollege Open 2019 (B) JMC Closed 2024 (B) Details
Overall 3 Bothma, I (Isabella) 3 1 2 Chessnuts - Kickoff Open 2018 (D) JNW Club - Hoerskool Linden 2019 (C) Details
Overall 4 Voigt, D (Daniel) 3 2 1 Fonties Challenge 2018 (U9) JMC Closed Aug 2023 (U16) Details
Overall 5 Steyn, T (Tjaart) 3 2 1 Chessnuts Under 1200 Rated Tournament 2019 (Kings) Goue Liga Blitz 2025 Details
Standard 1 Fauconier, A (Amber) 4 3 1 JNW Club - Bryanston Open 2 2019 (C) South African Junior Closed Chess Championship 2024 (U16 Girls) Details
Standard 2 Ramlall, S (Sanjana) 4 2 2 JNW Club - Helpmekaar Kollege Open 2019 (B) JMC Closed 2024 (B) Details
Standard 3 Bothma, I (Isabella) 3 1 2 Chessnuts - Kickoff Open 2018 (D) JNW Club - Hoerskool Linden 2019 (C) Details
Standard 4 Voigt, D (Daniel) 3 2 1 Fonties Challenge 2018 (U9) JMC Closed Aug 2023 (U16) Details
Standard 5 Van Der Sandt, I (Iliana) 2 2 0 Fonties Challenge 2018 (U9) Chessnuts Youth Day Chess Tournament 2018 (U10) Details