PLAYER PAGE

Lillith Jacobs

2120130719
Ekurhuleni (GE)
Personal
Main rating
Rating 1632.8
K-factor 28
Floor 1142.6
Highest 1667 (2026-01-01)
Min/Max +/- allowed 85
Rating Change
()
Games 9
Score 5.5
We 5.89
SWe -0.39
Temp +/- -10.8
Penalties 0
Weight perform 1620.6
Final +/- -10.8
New Rating
()
Rating 1621.9
K-factor 28
Floor 1142.6
Highest 1667 (2026-01-01)
Min/Max +/- allowed 85.2
Standard rating
Rating 1629.1
K-factor 28
Floor 1149
Highest 1666.7 (2026-01-01)
Min/Max +/- allowed 85.3
Rating Change
()
Games 9
Score 5.5
We 5.9
SWe -0.4
Temp +/- -11.2
Penalties 0
Weight perform 1620.6
Final +/- -11.2
New Rating
()
Rating 1617.9
K-factor 28
Floor 1149
Highest 1666.7 (2026-01-01)
Min/Max +/- allowed 85.3
Rapid rating
Rating 1410.3
K-factor 32
Floor 910.3
Highest 1419.1 (2024-03-01)
Min/Max +/- allowed 121.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1392.3
Final +/- 0
New Rating
()
Rating 1410.3
K-factor 32
Floor 910.3
Highest 1419.1 (2024-03-01)
Min/Max +/- allowed 121.4
Blitz rating
Rating 1200
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 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 South African Junior Closed Chess Championship 2026 (U14 Girls) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1632.8 9 5.5 1590.8 -10.8 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 EG Janesn Open 2026 (U15) Standard 2026-02-07 2026-02-07 Ekurhuleni (GE) 5 1649.1 5 4 1580.3 -6.3 Details
2 2025 Mzansi Individual Championships (U14 Girls) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1603.4 6 6 1905.2 42.8 Details
3 2025 Mzansi Inter Provincial Team Championships (U14 Girls) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1603.4 5 4 1745.9 14.8 Details
4 Gauteng Inter-Region at Emerald Resort 2025 (U14 Girls) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1603.4 4 2 1382.8 -17.7 Details
5 Chess Power House October Open 2025 (B) Standard 2025-10-25 2025-10-25 Ekurhuleni (GE) 5 1606.7 5 3 1405.2 -18.3 Details
6 2025 Gauteng Schools Provincial Individual Chess Championship (U13 Girls) Standard 2025-09-27 2025-09-27 Tshwane (GTP) 5 1599.9 5 5 1770.5 16.3 Details
7 St Peters College Sports & Cultural Festival 2025 Standard 2025-09-19 2025-09-20 Johannesburg Metro (GJM) 6 1598.1 6 4.5 1561.9 -2.3 Details
8 Ekurhuleni Trial 4 2025 (B) Standard 2025-09-21 2025-09-21 Ekurhuleni (GE) 5 1598.1 5 3 1484.9 -10.1 Details
9 Tshwane Chess Club Clash 2025 (Ladies) Standard 2025-09-13 2025-09-13 Tshwane (GTP) 5 1598.1 4 3.5 1687.5 7.1 Details
10 East Rand Chess Club 2025 (B) Rapid 2025-09-06 2025-09-06 Ekurhuleni (GE) 5 1598.1 5 4 1639.5 3.6 Details
11 East Rand Chess Club 2025 (B) Rapid 2025-09-06 2025-09-06 Ekurhuleni (GE) 5 1598.1 5 4 1639.5 3.6 Details
12 Ekurhuleni North Chess Club Open Tournament 2025 (C) Standard 2025-08-09 2025-08-09 Ekurhuleni (GE) 5 1632.5 5 4 1781.2 13.9 Details
13 Ekurhuleni Trials 2025 (B) Standard 2025-07-26 2025-07-26 Ekurhuleni (GE) 5 1632.5 5 1 1143.4 -46.8 Details
14 South African Open 2025 (U14 Girls) Classical 2025-07-03 2025-07-05 Johannesburg Metro (GJM) 5 1588.3 5 5 1847.6 31.6 Details
15 Ekurhuleni Trial 2 2025 (B) Standard 2025-06-21 2025-06-21 Ekurhuleni (GE) 5 1594 5 3 1462.5 -11.8 Details
16 Ekurhuleni North School District Finals 2025 (U13 Girls) Standard 2025-06-14 2025-06-14 Ekurhuleni (GE) 5 1594 5 5 1672.9 7.5 Details
17 2025 Silver Lakes Chess Club Open Chess Tournament (B) Standard 2025-05-03 2025-05-03 Tshwane (GTP) 5 1628.7 5 1.5 1380.9 -24.7 Details
18 Benoni Primary School Cluster 12 April 2025 (U13 Girls) Standard 2025-04-12 2025-04-12 Ekurhuleni (GE) 5 1623.7 5 5 1631.5 3.7 Details
19 2025 Blou Bul Open Chess Tournament (B) Standard 2025-02-08 2025-02-08 Tshwane (GTP) 5 1642.6 5 2 1458.4 -18.6 Details
20 2025 Piet Robbertse Fide Rated Open Chess Tournament (B) Standard 2025-02-01 2025-02-02 Tshwane (GTP) 5 1642.6 5 3 1680.9 5.1 Details
21 Gauteng Inter-Region at UJ 2024 (U14 Girls) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1637.6 4 3 1645.4 3.6 Details
22 Knight Riders Spring Chess Tournament 2024 (C) Standard 2024-09-28 2024-09-28 Johannesburg Metro (GJM) 5 1618.8 4 2 1481.7 -9.1 Details
23 Ekurhuleni Closed 2024 (U14) Standard 2024-09-21 2024-09-21 Ekurhuleni (GE) 5 1618.8 0 0 0 0 Details
24 JCC Khelo India 1st Annual Chess Tournament 2024 (A) Standard 2024-08-31 2024-08-31 Johannesburg Metro (GJM) 5 1618.8 5 2 1485.7 -13.6 Details
25 Ekurhuleni North Chess Club Open Tournament 2024 (C) Standard 2024-08-09 2024-08-09 Ekurhuleni (GE) 5 1618.8 5 4 1718.9 9.3 Details
26 Ekurhuleni Trails 3 2024 (U14) Standard 2024-08-24 2024-08-24 Ekurhuleni (GE) 5 1618.8 5 4.5 1697.6 7.1 Details
27 Gauteng Schools Individuals Finals 2024 (U13 Girls) Standard 2024-08-16 2024-08-16 Ekurhuleni (GE) 5 1618.8 5 5 1811 19.8 Details
28 Ekurhuleni Trails 2 2024 (U14) Standard 2024-07-27 2024-07-27 Ekurhuleni (GE) 5 1542.2 5 5 1819.5 26.6 Details
29 Ekurhuleni Trails 1 2024 (U14) Standard 2024-06-01 2024-06-01 Ekurhuleni (GE) 5 1517.5 5 4 1649.2 13.9 Details
30 Ekurhuleni North Primary Schools District Individual Finals 2024 (U13 Girls) Standard 2024-05-11 2024-05-11 Ekurhuleni (GE) 5 1517.5 5 4 1523 1.5 Details
31 South African Junior Closed Chess Championship 2024 (U12 Girls) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1530.9 7 4 1474.8 -8.4 Details
32 CPH St Andrew's Rapid 2024 (B) Rapid 2024-03-30 2024-03-30 Ekurhuleni (GE) 5 1476.7 5 4.5 1675.2 11.5 Details
33 Benoni Primary School Cluster Individuals 2024 (U13 Girls) Rapid 2024-03-09 2024-03-09 Ekurhuleni (GE) 5 1476.7 5 5 1704.8 15.8 Details
34 2024 Gauteng Inter-Region Chess Championship (U12A) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1423.8 5 5 1715.3 33 Details
35 Africawide Chess Championship 2023 (Development B) Standard 2023-11-04 2023-11-04 Johannesburg Metro (GJM) 5 1408.5 5 3 1503.2 9.6 Details
36 JMC Trinity Little Falls 2023 (B) Standard 2023-07-02 2023-07-02 Johannesburg Metro (GJM) 5 1475.7 5 0.5 915.9 -54.9 Details
37 2023 Ekurhuleni North District Schools Finals (U13) Standard 2023-07-29 2023-07-29 Ekurhuleni (GE) 5 1475.7 5 4 1616.5 13.1 Details
38 Ekurhuleni Chess Trial 3 2023 (U12) Standard 2023-06-17 2023-06-17 Ekurhuleni (GE) 5 1490.3 5 3.5 1400.7 -9.1 Details
39 ThinkChess Tournament 6 May 2023 Standard 2023-05-06 2023-05-06 Johannesburg Metro (GJM) 5 1398.4 5 3.5 1399.5 -0.3 Details
40 Gauteng Schools Individual Finals 2023 (U11 Girls) Standard 2023-05-26 2023-05-26 Ekurhuleni (GE) 5 1398.4 5 4 1524.5 13.1 Details
41 Ekurhuleni North Schools Individual Finals 2023 (U11 Girls) Standard 2023-05-12 2023-05-12 Ekurhuleni (GE) 5 1398.4 5 5 1616.2 20.7 Details
42 Ekurhuleni Trials 2 2023 (U12) Standard 2023-04-22 2023-04-22 Ekurhuleni (GE) 5 1320.2 5 4 1480.4 16.4 Details
43 Alberton Chess Club Tournament 1 2023 (B) Standard 2023-04-15 2023-04-15 Ekurhuleni (GE) 5 1320.2 5 2 1266.8 -6 Details
44 JNW Open - Crawford 2023 (B) Standard 2023-03-04 2023-03-04 Johannesburg Metro (GJM) 5 1253 5 2 1255.3 -0.5 Details
45 Ekhuruleni Chess Trials 1 2023 (U12) Standard 2023-03-25 2023-03-25 Ekurhuleni (GE) 5 1253 4 4 1742.1 38.2 Details
46 Goforchess Junior Chess Championship 2 2020 Standard 2020-11-29 2020-11-29 Johannesburg Metro (GJM) 5 1243.7 5 3 1341.6 8.8 Details
47 Goforchess Junior Chess Championship 1 2020 Standard 2020-11-08 2020-11-08 Johannesburg Metro (GJM) 5 1243.7 5 2 1197.6 -3.8 Details
48 JNW Club - Trinityhouse Little Falls Open 2020 (E) Standard 2020-03-14 2020-03-14 Johannesburg Metro (GJM) 5 1181.3 5 4 1508.5 31.2 Details
49 JNW Club - Trinityhouse Randpark Ridge Open 2020 (E) Standard 2020-02-22 2020-02-22 Johannesburg Metro (GJM) 5 1200 5 3 1304.8 9.5 Details
50 JNW Club - Bryanston Open1 2020 (E) Standard 2020-02-01 2020-02-01 Johannesburg Metro (GJM) 5 1200 5 2 1055.9 -13.3 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 14
Wins 9
Draws 1
Losses 4
White 7
Black 7
White wins 3
Black wins 6
Score 9.5
Percent 67.9
Dp 151.8
AOR 1435.3
Performance 1587.1
Game statistics (History)
Games 257
Wins 176
Draws 9
Losses 72
White 130
Black 137
White wins 87
Black wins 97
Score 180.5
Percent 70.2
Dp 172
AOR 1360.9
Performance 1532.9
Rankings (Main)
National
Overall 810
Gender 59
Age group 79
Gender/Age 11
Provincial
Overall 286
Gender 23
Age group 23
Gender/Age 3
Regional
Overall 31
Gender 3
Age group 3
Gender/Age 1
Rankings (Standard)
National
Overall 776
Gender 60
Age group 79
Gender/Age 10
Provincial
Overall 280
Gender 23
Age group 24
Gender/Age 3
Regional
Overall 33
Gender 3
Age group 3
Gender/Age 1
Rankings (Rapid)
National
Overall 747
Gender 91
Age group 136
Gender/Age 24
Provincial
Overall 127
Gender 19
Age group 15
Gender/Age 5
Regional
Overall 28
Gender 10
Age group 6
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 9
Score 5.5
Percent 61.1
Aor 1496.4
Dp 94.4
Prat 1590.8
Performance ()
Games 14
Score 9.5
Percent 67.9
Aor 1435.3
Dp 151.8
Prat 1587.1
Performance (12 months)
Games 94
Score 68
Percent 72.3
Aor 1407.7
Dp 189.9
Prat 1597.6
Performance (History)
Games 257
Score 180.5
Percent 70.2
Aor 1360.9
Dp 172
Prat 1532.9
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Robinson, E (Ethan) 5 2 3 2023 Ekurhuleni North District Schools Finals (U13) Ekurhuleni North Chess Club Open Tournament 2025 (C) Details
Overall 2 Tema, O (Ofana) 4 3 1 Goforchess Junior Chess Championship 1 2020 Ekurhuleni Trails 1 2024 (U14) Details
Overall 3 Waring, C (Caydence) 3 0 3 Gauteng Schools Individual Finals 2023 (U11 Girls) Gauteng Schools Individuals Finals 2024 (U13 Girls) Details
Overall 4 Botha, CA (Cathri Amari) 3 1 2 Ekurhuleni North Primary Schools District Individual Finals 2024 (U13 Girls) Ekurhuleni Trails 3 2024 (U14) Details
Overall 5 Zulu, T (Thandoluhle) 3 2 1 South African Junior Closed Chess Championship 2024 (U12 Girls) Gauteng Inter-Region at Emerald Resort 2025 (U14 Girls) Details
Standard 1 Robinson, E (Ethan) 5 2 3 2023 Ekurhuleni North District Schools Finals (U13) Ekurhuleni North Chess Club Open Tournament 2025 (C) Details
Standard 2 Tema, O (Ofana) 4 3 1 Goforchess Junior Chess Championship 1 2020 Ekurhuleni Trails 1 2024 (U14) Details
Standard 3 Botha, C (Cale) 3 3 0 Ekurhuleni Chess Trial 3 2023 (U12) Benoni Primary School Cluster 12 April 2025 (U13 Girls) Details
Standard 4 Botha, CA (Cathri Amari) 3 1 2 Ekurhuleni North Primary Schools District Individual Finals 2024 (U13 Girls) Ekurhuleni Trails 3 2024 (U14) Details
Standard 5 Waring, C (Caydence) 3 0 3 Gauteng Schools Individual Finals 2023 (U11 Girls) Gauteng Schools Individuals Finals 2024 (U13 Girls) Details
Rapid 1 Naidoo, K (Kajol) 2 2 0 East Rand Chess Club 2025 (B) East Rand Chess Club 2025 (B) Details
Rapid 2 Du Toit, J (Jaunre) 2 0 2 East Rand Chess Club 2025 (B) East Rand Chess Club 2025 (B) Details
Rapid 3 Erasmus, M (Max) 2 2 0 East Rand Chess Club 2025 (B) East Rand Chess Club 2025 (B) Details
Rapid 4 Nolan, C (Christopher) 2 0 2 East Rand Chess Club 2025 (B) East Rand Chess Club 2025 (B) Details
Rapid 5 Siemers, N (Noah) 2 0 2 East Rand Chess Club 2025 (B) East Rand Chess Club 2025 (B) Details