Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Sebastian Stelloh

1150145631
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1707.2
K-factor 28
Floor 1129
Highest 1784.2 (2026-01-01)
Min/Max +/- allowed 72
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1709
Final +/- 0
New Rating
()
Rating 1707.2
K-factor 28
Floor 1129
Highest 1784.2 (2026-01-01)
Min/Max +/- allowed 72.1
Standard rating
Rating 1709.4
K-factor 28
Floor 1142.3
Highest 1709.4 (2026-02-28)
Min/Max +/- allowed 80.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1709
Final +/- 0
New Rating
()
Rating 1709.4
K-factor 28
Floor 1142.3
Highest 1709.4 (2026-02-28)
Min/Max +/- allowed 80.2
Rapid rating
Rating 1522.1
K-factor 32
Floor 1022.1
Highest 1522.1 (2025-11-30)
Min/Max +/- allowed 104.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1597.3
Final +/- 0
New Rating
()
Rating 1522.1
K-factor 32
Floor 1022.1
Highest 1522.1 (2025-11-30)
Min/Max +/- allowed 104.8
Blitz rating
Rating 1309.4
K-factor 36
Floor 809.4
Highest 1309.4 (2025-05-05)
Min/Max +/- allowed 141.9
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1309.4
K-factor 36
Floor 809.4
Highest 1309.4 (2025-05-05)
Min/Max +/- allowed 141.9
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 2nd Knight Riders Juniors Open Chess Tournament 2026 (A+B) Standard 2026-02-21 2026-02-21 Johannesburg Metro (GJM) 5 1765.8 5 4.5 1769.3 0 Details
2 2026 JMC Kick off Tournament (A) Standard 2026-02-01 2026-02-01 Johannesburg Metro (GJM) 5 1765.8 5 1.5 1536.7 0 Details
3 2025 Mzansi Individual Championships (U12 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1685.8 6 5 1816.1 0 Details
4 2025 Mzansi Inter Provincial Team Championships (U12 Combined) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1685.8 6 5 1804.2 0 Details
5 Gauteng Inter-Region at Emerald Resort 2025 (U12 Championship) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1685.8 5 4 1910.4 0 Details
6 Bojanala's Merry ChessMas 2025 (Center Pawns) Standard 2025-11-29 2025-11-29 Bojanala Platina (NBR) 5 1685.8 5 3 1546.4 0 Details
7 MCA Year End Rapid 2025 (U12) Rapid 2025-11-01 2025-11-01 Johannesburg Metro (GJM) 5 1621.2 5 5 1946.7 0 Details
8 UJ @20years Open Chess Championship 2025 (E) Standard 2025-10-18 2025-10-18 Johannesburg Metro (GJM) 5 1573 5 5 1725.4 0 Details
9 FIDE World Cadet Championships 2025 Classical 2025-09-19 2025-09-30 FIDE (FID) 11 1573 11 4 1501.1 0 Details
10 Fourth Knight Riders Juniors Open Chess Tournament 2025 (C) Standard 2025-08-31 2025-08-31 Johannesburg Metro (GJM) 5 1550.9 4 4 1696.1 0 Details
11 GoForChess Junior Chess Championships 2025 (U12) Standard 2025-09-14 2025-09-14 Johannesburg Metro (GJM) 5 1550.9 3 1 1236.3 0 Details
12 JMC Closed 2025 (U12) Standard 2025-08-09 2025-08-10 Johannesburg Metro (GJM) 5 1520.4 5 4 1709.6 0 Details
13 South African Open 2025 (U12 Open) Classical 2025-07-03 2025-07-05 Johannesburg Metro (GJM) 5 1514.9 5 3.5 1554.4 0 Details
14 Third Knight Riders Junior Open 2025 (B+C) Standard 2025-06-22 2025-06-22 Johannesburg Metro (GJM) 5 1542.2 4 1 1218.6 0 Details
15 Knight Riders Juniors Open Chess Tournament 2025 (A) Standard 2025-05-24 2025-05-24 Johannesburg Metro (GJM) 5 1560.7 0 0 0 0 Details
16 Knight Riders Juniors Open Chess Tournament 2025 (D) Standard 2025-05-24 2025-05-24 Johannesburg Metro (GJM) 5 1560.7 3 3 1671.5 0 Details
17 Chess Power House Randburg Rapid 2025 (A) Rapid 2025-05-11 2025-05-11 Johannesburg Metro (GJM) 6 1560.7 4 2 1438.9 0 Details
18 Chess Power House Randburg Rapid 2025 (B) Rapid 2025-05-11 2025-05-11 Johannesburg Metro (GJM) 5 1560.7 4 4 1785.1 0 Details
19 Moja Chess Extravaganza 2025 (U12) Classical 2025-04-26 2025-04-28 Johannesburg Metro (GJM) 5 1560.7 5 2.5 1353.9 0 Details
20 2025 Silver Lakes Chess Club Open Chess Tournament (C) Standard 2025-05-03 2025-05-03 Tshwane (GTP) 5 1560.7 5 3 1527 0 Details
21 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Blitz) Blitz 2025-04-16 2025-04-17 Geece (GRE) 11 1495.7 11 5 1499.9 0 Details
22 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Rapid) Rapid 2025-04-13 2025-04-15 Greece (GRE) 11 1495.7 11 4.5 1513.1 0 Details
23 South African Junior Closed Chess Championships 2025 (U10 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1495.7 9 6 1698.2 0 Details
24 JMC Crawford Ruimsig 2025 (B) Standard 2025-03-01 2025-03-01 Johannesburg Metro (GJM) 5 1493.3 5 2 1347.3 0 Details
25 Knight Riders Open Chess Tournament 2025 (D) Standard 2025-02-22 2025-02-22 Johannesburg Metro (GJM) 5 1496.4 5 4 1567.1 0 Details
26 JMC Rapid The Bridge School 2025 (Open) Rapid 2025-02-23 2025-02-23 Johannesburg Metro (GJM) 7 1496.4 7 4 1432 0 Details
27 2025 Blou Bul Open Chess Tournament (B) Standard 2025-02-08 2025-02-08 Tshwane (GTP) 5 1496.4 5 2 1516.6 0 Details
28 JMC Kick Off 2025 (B) Standard 2025-02-02 2025-02-02 Johannesburg Metro (GJM) 5 1496.4 5 2 1351.2 0 Details
29 2025 Tshwane Chess OPEN Registration Tournament (A1) Standard 2025-01-25 2025-01-25 Tshwane (GTP) 5 1555.6 5 0 1115.6 0 Details
30 Mzansi Interprovincial Youth Chess Championships 2024 (U10 Open Championship) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1584.2 7 3.5 1413.9 0 Details
31 Gauteng Inter-Region at UJ 2024 (U10 Open) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1584.2 5 3 1634.4 0 Details
32 Laerskool Doringkloof Primary Open Chess Tournament 2024 (U10) Standard 2024-10-19 2024-10-19 Tshwane (GTP) 5 1582.3 5 4 1586.9 0 Details
33 Knight Riders Spring Chess Tournament 2024 (A) Standard 2024-09-28 2024-09-28 Johannesburg Metro (GJM) 5 1609.5 3 2 1584.3 0 Details
34 2024 Moja Chess Extravaganza (D) Standard 2024-09-25 2024-09-26 Frances Baard (NCF) 5 1609.5 5 3 1437.6 0 Details
35 Bojanala's FIDE In The Sparkling Waters 2024 (Junior Champs) Classical 2024-08-17 2024-08-17 Bojanala Platina (NBR) 5 1497.5 5 4 1664.9 0 Details
36 JMC Closed 2024 (U10) Standard 2024-08-09 2024-08-09 Johannesburg Metro (GJM) 5 1497.5 5 5 1776.3 0 Details
37 JMC Trinityhouse Randpark Ridge 2024 (U10) Standard 2024-07-13 2024-07-13 Johannesburg Metro (GJM) 5 1458.5 5 4.5 1698.9 0 Details
38 2024 African Youth Chess Championship Classical 2024-06-16 2024-06-22 Tshwane (GTP) 9 1558.1 8 3.5 1317.1 0 Details
39 JMC Trinityhouse Little Falls 2024 (C) Standard 2024-06-02 2024-06-02 Johannesburg Metro (GJM) 5 1558.1 5 2 1271.4 0 Details
40 South African Junior Closed Chess Championship 2024 (U10 Open) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1480.7 9 6 1603.5 0 Details
41 JMC Helpmekaar Kollege Tournament 2024 (U10) Standard 2024-05-04 2024-05-04 Johannesburg Metro (GJM) 5 1480.7 5 4.5 1707.3 0 Details
42 2024 Silver Lakes Open Chess Tournament (C) Standard 2024-04-20 2024-04-20 Tshwane (GTP) 5 1544.2 4 0 1033.9 0 Details
43 CPH St Andrew's Rapid 2024 (C) Rapid 2024-03-30 2024-03-30 Ekurhuleni (GE) 5 1368.6 5 4 1570.8 0 Details
44 1st Knights Open Tournament 2024 (U10) Standard 2024-03-23 2024-03-23 Johannesburg Metro (GJM) 5 1368.6 5 5 1670.7 0 Details
45 JNW Open - Classic - Crawford 2024 (U10) Standard 2024-03-09 2024-03-09 Johannesburg Metro (GJM) 5 1368.6 5 4.5 1662.4 0 Details
46 JMC Unika School Tournament 2024 (U10) Standard 2024-03-02 2024-03-02 Johannesburg Metro (GJM) 5 1368.6 5 4 1555.7 0 Details
47 2024 Blou Bul Open Chess Tournament (C) Standard 2024-02-10 2024-02-10 Tshwane (GTP) 5 1412.3 5 1 1045.2 0 Details
48 Chess Power House 1st Rapid 2024 (C) Rapid 2024-02-24 2024-02-24 Johannesburg Metro (GJM) 5 1412.3 5 4 1586.1 0 Details
49 2024 Gauteng Inter-Region Chess Championship (U10A) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1393.6 5 5 1776.2 0 Details
50 JMC Kick Off Tournament 2024 (C) Standard 2024-01-28 2024-01-28 Johannesburg Metro (GJM) 5 1393.6 5 1 1094.5 0 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 2
Losses 3
White 6
Black 4
White wins 3
Black wins 2
Score 6
Percent 60
Dp 85
AOR 1568
Performance 1653
Game statistics (History)
Games 425
Wins 253
Draws 29
Losses 143
White 211
Black 214
White wins 127
Black wins 126
Score 267.5
Percent 62.9
Dp 110
AOR 1365.9
Performance 1475.9
Rankings (Main)
National
Overall 464
Gender 439
Age group 8
Gender/Age 8
Provincial
Overall 177
Gender 168
Age group 6
Gender/Age 6
Regional
Overall 66
Gender 62
Age group 3
Gender/Age 3
Rankings (Standard)
National
Overall 439
Gender 414
Age group 9
Gender/Age 9
Provincial
Overall 173
Gender 165
Age group 6
Gender/Age 6
Regional
Overall 61
Gender 58
Age group 3
Gender/Age 3
Rankings (Rapid)
National
Overall 268
Gender 254
Age group 15
Gender/Age 14
Provincial
Overall 56
Gender 54
Age group 1
Gender/Age 1
Regional
Overall 34
Gender 33
Age group 1
Gender/Age 1
Rankings (Blitz)
National
Overall 269
Gender 257
Age group 2
Gender/Age 2
Provincial
Overall 95
Gender 88
Age group 1
Gender/Age 1
Regional
Overall 55
Gender 50
Age group 1
Gender/Age 1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 10
Score 6
Percent 60
Aor 1568
Dp 85
Prat 1653
Performance (12 months)
Games 126
Score 80.5
Percent 63.9
Aor 1491.8
Dp 118.1
Prat 1609.8
Performance (History)
Games 425
Score 267.5
Percent 62.9
Aor 1365.9
Dp 110
Prat 1475.9
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Ma, M (Matthew) 8 4 4 JNW Open - Trinityhouse Little Falls 2023 (U10) 2026 JMC Kick off Tournament (A) Details
Overall 2 Joubert, J (Joshua) 7 5 2 2023 South African Junior Closed Chess Championships (U8 Open) Third Knight Riders Junior Open 2025 (B+C) Details
Overall 3 Exarchos, I (Isabella) 5 4 1 JMC 2nd Trials 2022 (U8) JMC Helpmekaar Kollege Tournament 2024 (U10) Details
Overall 4 Goncalves, E (Emilio) 5 2 3 JNW Open - Classic - Crawford 2024 (U10) South African Junior Closed Chess Championships 2025 (U10 Open) Details
Overall 5 Zhu, R (Ryan Yuancheng) 5 4 1 Chess Power House 1st Rapid 2024 (C) MCA Year End Rapid 2025 (U12) Details
Standard 1 Ma, M (Matthew) 7 3 4 JNW Open - Trinityhouse Little Falls 2023 (U10) 2026 JMC Kick off Tournament (A) Details
Standard 2 Joubert, J (Joshua) 7 5 2 2023 South African Junior Closed Chess Championships (U8 Open) Third Knight Riders Junior Open 2025 (B+C) Details
Standard 3 Exarchos, I (Isabella) 5 4 1 JMC 2nd Trials 2022 (U8) JMC Helpmekaar Kollege Tournament 2024 (U10) Details
Standard 4 Goncalves, E (Emilio) 5 2 3 JNW Open - Classic - Crawford 2024 (U10) South African Junior Closed Chess Championships 2025 (U10 Open) Details
Standard 5 Le Kay, A (Alexa) 5 1 4 JMC 2nd Trials 2022 (U8) JMC Helpmekaar Kollege Tournament 2024 (U10) Details
Rapid 1 Zhu, R (Ryan Yuancheng) 3 2 1 Chess Power House 1st Rapid 2024 (C) MCA Year End Rapid 2025 (U12) Details
Rapid 2 Franklin, G (Gabriel) 2 1 1 Chess Power House Rapid 2022 (U8) CPH Chess Clubs Challenge 2022 (Primary Schools) Details
Rapid 3 Brits, E (Etienne) 2 0 2 Chess Power House 1st Rapid 2024 (C) CPH St Andrew's Rapid 2024 (C) Details