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

PLAYER PAGE

Chelsea Jane Nell

2130133065
Nelson Mandela Bay (ENM)
Personal
Main rating
Rating 1615.2
K-factor 28
Floor 1158.3
Highest 1658.3 (2025-02-01)
Min/Max +/- allowed 86
Rating Change
()
Games 6
Score 1
We 2.3
SWe -0.71
Temp +/- -19.8
Penalties 0
Weight perform 1498.5
Final +/- -19.8
New Rating
()
Rating 1595.4
K-factor 28
Floor 1158.3
Highest 1658.3 (2025-02-01)
Min/Max +/- allowed 86.3
Standard rating
Rating 1608.1
K-factor 28
Floor 1143.2
Highest 1643.2 (2025-08-01)
Min/Max +/- allowed 88.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1576.2
Final +/- 0
New Rating
()
Rating 1608.1
K-factor 28
Floor 1143.2
Highest 1643.2 (2025-08-01)
Min/Max +/- allowed 88.2
Rapid rating
Rating 1353.1
K-factor 36
Floor 853.1
Highest 1353.1 (2025-02-01)
Min/Max +/- allowed 133.3
Rating Change
()
Games 6
Score 1
We 2.8
SWe -1.8
Temp +/- -64.7
Penalties 0
Weight perform 1282.7
Final +/- -64.7
New Rating
()
Rating 1288.4
K-factor 36
Floor 853.1
Highest 1353.1 (2025-02-01)
Min/Max +/- allowed 133.3
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 Checkmate in Gqeberha 2026 (A) Rapid 2026-07-11 2026-07-11 Nelson Mandela Bay (ENM) 6 1615.2 6 1 1420 -19.8 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Spartans Bishops 2026 (Crowns) Standard 2026-05-01 2026-05-01 Sarah Baartman (ESB) 5 1619 5 3 1575.9 -3.5 Details
2 NMBCU Trials 5 2026 (U14) Standard 2026-05-15 2026-05-16 Nelson Mandela Bay (ENM) 6 1619 6 4 1655.4 6.1 Details
3 2026 NMBCU Trials 4 (U14) Standard 2026-04-24 2026-04-25 Nelson Mandela Bay (ENM) 6 1590.9 6 4 1610.2 3.4 Details
4 NMBCU Trials 3 2026 (U14) Standard 2026-04-18 2026-04-18 Nelson Mandela Bay (ENM) 5 1590.9 5 3 1561.3 -4.8 Details
5 South African Junior Closed Chess Championship 2026 (U14 Girls) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1590.9 9 6.5 1685.8 29.6 Details
6 2026 NMBCU Trials 2 (U14) Standard 2026-03-06 2026-03-07 Nelson Mandela Bay (ENM) 6 1601 6 3.5 1549.8 -10.1 Details
7 Pearson Chess Festival 2026 (B) Standard 2026-02-27 2026-02-28 Nelson Mandela Bay (ENM) 5 1602.4 5 3 1316.2 -27.9 Details
8 NMBCU Trial 1 2026 (U14) Standard 2026-02-20 2026-02-21 Nelson Mandela Bay (ENM) 5 1602.4 5 3 1472.2 -11.6 Details
9 2025 African Youth Chess Championship Classical 2025-12-07 2025-12-13 Zimbabwe (ZIM) 9 1647.4 9 5 1609.9 -8.6 Details
10 2025 Mzansi Inter Provincial Team Championships (U14 Girls) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1647.4 5 2 1374.8 -25.7 Details
11 EC Closed 2025 (U14 Girls) Standard 2025-09-06 2025-09-07 Nelson Mandela Bay (ENM) 6 1611.8 6 5.5 1801.9 25.4 Details
12 FIDE in the Bay 2025 (A) Standard 2025-08-30 2025-08-30 Nelson Mandela Bay (ENM) 5 1655.2 5 2 1489.9 -16.8 Details
13 UCC Mind Over Board 2025 (A) Classical 2025-08-01 2025-08-03 Nelson Mandela Bay (ENM) 5 1655.2 5 3 1525.8 -14.2 Details
14 Eastern Cape Inter-Regional Individual Chess Championship 2025 (U14 Girls) Standard 2025-07-11 2025-07-12 Amathole (EAL) 6 1599.4 6 6 1766.4 19.9 Details
15 Eastern Cape Inter-Regional Team Chess Championship 2025 (U14) Standard 2025-07-10 2025-07-11 Amathole (EAL) 5 1599.4 3 3 1759.5 8.8 Details
16 NMBCU Closed 2025 (U14) Standard 2025-06-13 2025-06-14 Nelson Mandela Bay (ENM) 6 1609.6 6 4 1533.2 -7.3 Details
17 NMBCU Trial 4 2025 (U14) Standard 2025-05-09 2025-05-10 Nelson Mandela Bay (ENM) 6 1634.2 6 4 1655.8 2.7 Details
18 Karen Ashworth 2025 (A) Standard 2025-04-26 2025-04-26 Nelson Mandela Bay (ENM) 5 1634.2 4 1 1374.3 -20.3 Details
19 NMB 3rd Trials 2025 (U14) Standard 2025-04-11 2025-04-12 Nelson Mandela Bay (ENM) 6 1603.1 6 4 1483.7 -13.6 Details
20 South African Junior Closed Chess Championships 2025 (U12 Girls) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1603.1 9 7 1767.9 35.8 Details
21 NMB 2nd Trials 2025 (U14) Standard 2025-03-07 2025-03-08 Nelson Mandela Bay (ENM) 6 1650.4 6 4 1592.9 -6.5 Details
22 UCC Strategic Moves 2025 (B) Standard 2025-02-28 2025-03-01 Nelson Mandela Bay (ENM) 5 1650.4 5 3 1370.7 -27.3 Details
23 Pearson High Chess Festival 2025 (C) Standard 2025-02-21 2025-02-22 Nelson Mandela Bay (ENM) 5 1658.3 5 4 1586.2 -6.1 Details
24 NMBCH Trial 1 2025 (U14) Standard 2025-02-14 2025-02-15 Nelson Mandela Bay (ENM) 6 1658.3 6 4.5 1569.9 -7 Details
25 SBDCU Fundraiser 2025 (U13) Standard 2025-02-01 2025-02-01 Sarah Baartman (ESB) 5 1658.3 5 4.5 1722.1 7.6 Details
26 NMBCU vs BCC Derby Chess Invitational 2025 (U12) Standard 2025-01-10 2025-01-11 Nelson Mandela Bay (ENM) 5 1547 5 5 1832.7 28.2 Details
27 SBD Activation Tournament 2025 (B) Rapid 2025-01-04 2025-01-04 Sarah Baartman (ESB) 5 1547 5 5 1804.5 16.8 Details
28 Mzansi Interprovincial Youth Chess Championships 2024 (U12 Girls Championship) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1539 7 4.5 1573.7 5 Details
29 Grey Junior School Chess Team Championship 2024 (Senior) Rapid 2024-11-02 2024-11-02 Nelson Mandela Bay (ENM) 5 1544.2 5 3 1491 -3.3 Details
30 NMBCU Closed 2024 (U12) Standard 2024-09-20 2024-09-21 Nelson Mandela Bay (ENM) 6 1507.4 6 5 1666.6 19.3 Details
31 2024 UCC Mind Over Board (B) Classical 2024-08-30 2024-09-01 Nelson Mandela Bay (ENM) 5 1507.4 4 2.5 1410.5 -9 Details
32 NMBCU Trial 5 2024 (U12) Standard 2024-08-16 2024-08-17 Nelson Mandela Bay (ENM) 6 1502.8 6 5 1599.5 11.5 Details
33 NMB Open 2024 (B) Standard 2024-08-03 2024-08-04 Nelson Mandela Bay (ENM) 6 1502.8 6 3 1290 -24.9 Details
34 Checkmates Women's Day Chess 2024 Standard 2024-08-09 2024-08-09 Nelson Mandela Bay (ENM) 5 1502.8 5 5 1673.4 16.3 Details
35 Karen Ashworth 2024 (A) Standard 2024-07-19 2024-07-20 Nelson Mandela Bay (ENM) 6 1516 6 3 1230.2 -22.3 Details
36 NMBCU Trials 4 2024 (U12) Standard 2024-07-12 2024-07-13 Nelson Mandela Bay (ENM) 6 1516 4 4 1693.1 14.1 Details
37 2024 African Youth Chess Championship Classical 2024-06-16 2024-06-22 Tshwane (GTP) 9 1477.7 9 5.5 1593.6 23.6 Details
38 NMBCU Trial 3 2024 (U12) Standard 2024-05-10 2024-05-11 Nelson Mandela Bay (ENM) 6 1422.7 6 5.5 1653.4 27.2 Details
39 South African Junior Closed Chess Championship 2024 (U12 Girls) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1422.7 9 5.5 1510.7 19.8 Details
40 Spartan Bishops Chess Championships 2024 (Senior Pawns) Standard 2024-05-04 2024-05-05 Bojanala Platina (NBR) 5 1422.7 5 3 1289.2 -13.4 Details
41 NMBCU Trials 2 2024 (U12) Standard 2024-04-12 2024-04-13 Nelson Mandela Bay (ENM) 6 1366.4 5 4.5 1591.7 21.2 Details
42 UCC Strategic Moves 2024 (A) Standard 2024-03-08 2024-03-09 Nelson Mandela Bay (ENM) 5 1379.3 5 1.5 1272.3 -11.6 Details
43 Madibaz Chess Tournament 2024 (B) Standard 2024-03-01 2024-03-02 Nelson Mandela Bay (ENM) 5 1379.3 5 3 1407.4 3.5 Details
44 NMBCU Trials 1 2024 (U12) Standard 2024-02-16 2024-02-16 Nelson Mandela Bay (ENM) 6 1312.9 6 5.5 1597.7 33.5 Details
45 Pearson Open Chess Tournament 2024 (B) Standard 2024-02-23 2024-02-24 Nelson Mandela Bay (ENM) 5 1312.9 5 3.5 1403.1 8.1 Details
46 Chess Lovers Classic December 2023 Standard 2023-12-09 2023-12-10 Nelson Mandela Bay (ENM) 6 1307.5 6 2.5 1334.3 3.4 Details
47 FIDE WORLD CADETS CHESS CHAMPIONSHIPS 2023 Classical 2023-10-16 2023-10-26 Egypt (EGY) 11 1352.2 10 3 868 -95 Details
48 Eastern Cape Provincial Individual Championship 2023 (U12 Girls) Standard 2023-10-05 2023-10-05 Nelson Mandela Bay (ENM) 7 1352.2 7 6 1598.6 35.5 Details
49 Eastern Cape Chess Team Championship 2023 (U12) Standard 2023-10-07 2023-10-08 Sarah Baartman (ESB) 5 1352.2 3 3 1809.5 26.8 Details
50 Chess Lovers Classic 2023 Standard 2023-09-22 2023-09-23 Nelson Mandela Bay (ENM) 5 1406.1 5 0.5 1062.6 -33.8 Details
Game statistics ( )
Games 6
Wins 1
Draws 0
Losses 5
White 2
Black 4
White wins 1
Black wins 0
Score 1
Percent 16.7
Dp -283.3
AOR 1703.3
Performance 1420
Game statistics ()
Games 53
Wins 29
Draws 4
Losses 20
White 26
Black 27
White wins 15
Black wins 14
Score 31
Percent 58.5
Dp 72.2
AOR 1479
Performance 1551.2
Game statistics (History)
Games 434
Wins 257
Draws 47
Losses 130
White 221
Black 213
White wins 133
Black wins 124
Score 280.5
Percent 64.6
Dp 124.4
AOR 1346.2
Performance 1470.6
Rankings (Main)
National
Overall 973
Gender 76
Age group 58
Gender/Age 13
Provincial
Overall 96
Gender 4
Age group 8
Gender/Age 1
Regional
Overall 43
Gender 3
Age group 4
Gender/Age 1
Rankings (Standard)
National
Overall 931
Gender 76
Age group 61
Gender/Age 12
Provincial
Overall 94
Gender 5
Age group 10
Gender/Age 1
Regional
Overall 37
Gender 3
Age group 4
Gender/Age 1
Rankings (Rapid)
National
Overall 1339
Gender 197
Age group 246
Gender/Age 59
Provincial
Overall 106
Gender 14
Age group 18
Gender/Age 6
Regional
Overall 30
Gender 2
Age group 4
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 6
Score 1
Percent 16.7
Aor 1703.3
Dp -283.3
Prat 1420
Performance ()
Games 53
Score 31
Percent 58.5
Aor 1479
Dp 72.2
Prat 1551.2
Performance (12 months)
Games 83
Score 48.5
Percent 58.4
Aor 1488.1
Dp 71.7
Prat 1559.8
Performance (History)
Games 434
Score 280.5
Percent 64.6
Aor 1346.2
Dp 124.4
Prat 1470.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Driscoll, S (Samuel) 13 10 3 2020 NMBCU Chess Trials 2 2020 (U8) NMBCU Trial 1 2026 (U14) Details
Overall 2 Grobler, M (Mia) 12 5 7 2022 NMB Junior Trials 2 (U10) NMBCU Trials 3 2026 (U14) Details
Overall 3 Chipunza, J (Jaden) 10 6 4 NMBCU Trial 3 2022 (U10) NMBCU Closed 2025 (U14) Details
Overall 4 Kapp, S (Sebastian) 8 3 5 NMB 1st Trials 2023 (U12) FIDE in the Bay 2025 (A) Details
Overall 5 Claassen, E (Enrique) 7 3 4 2022 Nelson Mandela Bay Open (B) Eastern Cape Chess Team Championship 2023 (U12) Details
Standard 1 Driscoll, S (Samuel) 13 10 3 2020 NMBCU Chess Trials 2 2020 (U8) NMBCU Trial 1 2026 (U14) Details
Standard 2 Grobler, M (Mia) 11 5 6 2022 NMB Junior Trials 2 (U10) NMBCU Trials 3 2026 (U14) Details
Standard 3 Chipunza, J (Jaden) 10 6 4 NMBCU Trial 3 2022 (U10) NMBCU Closed 2025 (U14) Details
Standard 4 Murray, C (Chloe) 7 2 5 NMBCU Trial 4 2023 (U12) NMBCU Trials 5 2026 (U14) Details
Standard 5 Kapp, S (Sebastian) 7 2 5 NMB 1st Trials 2023 (U12) FIDE in the Bay 2025 (A) Details
Rapid 1 Sihewula, A (Achuma) 2 1 1 2022 Madibaz Tournament (Primary School Team) 2022 Madibaz Tournament (Primary School Team) Details
Rapid 2 Boggenpoel, D (Dante Xavier) 2 1 1 2022 Madibaz Tournament (Primary School Team) 2022 Madibaz Tournament (Primary School Team) Details
Rapid 3 Manton, C (Charlie) 2 1 1 2022 Madibaz Tournament (Primary School Team) 2022 Madibaz Tournament (Primary School Team) Details