PLAYER PAGE

Sebastian Stelloh

1150145631
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1635
K-factor 28
Floor 1129
Highest 1784.2 (2026-01-01)
Min/Max +/- allowed 72
Rating Change
()
Games 9
Score 6
We 4.19
SWe 1.81
Temp +/- 50.7
Penalties 0
Weight perform 1532.5
Final +/- +50.7
New Rating
()
Rating 1685.7
K-factor 28
Floor 1129
Highest 1784.2 (2026-01-01)
Min/Max +/- allowed 72.1
Standard rating
Rating 1645.9
K-factor 28
Floor 1142.3
Highest 1709.4 (2026-02-28)
Min/Max +/- allowed 80.2
Rating Change
()
Games 9
Score 6
We 4.29
SWe 1.71
Temp +/- 47.8
Penalties 0
Weight perform 1619.9
Final +/- +47.8
New Rating
()
Rating 1693.7
K-factor 28
Floor 1142.3
Highest 1709.4 (2026-02-28)
Min/Max +/- allowed 80.2
Rapid rating
Rating 1442.9
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 1499.6
Final +/- 0
New Rating
()
Rating 1442.9
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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 South African Junior Closed Chess Championship 2026 (U12 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1635 9 6 1810.3 50.7 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 MCA Summer Heat Classic 2026 (Expert) Standard 2026-03-21 2026-03-21 Johannesburg Metro (GJM) 5 1707.2 4 0 1358.4 -38.2 Details
2 Chess Power House Boksburg Open 2026 (B) Standard 2026-03-13 2026-03-13 Ekurhuleni (GE) 5 1707.2 5 4 1667.2 -3.8 Details
3 First Knight Riders Rapid Open Chess Tournament 2026 (A) Rapid 2026-03-15 2026-03-15 Johannesburg Metro (GJM) 6 1707.2 5 1 1269.8 -29.5 Details
4 3rd Knight Riders Juniors Open Chess Tournament 2026 (A) Standard 2026-03-08 2026-03-08 Johannesburg Metro (GJM) 5 1707.2 1 0 1334 -11.2 Details
5 West Rand Juniors 2026 (U12) Standard 2026-03-07 2026-03-07 West Rand (GWR) 5 1707.2 0 0 500 0 Details
6 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 1.8 Details
7 2026 JMC Kick off Tournament (A) Standard 2026-02-01 2026-02-01 Johannesburg Metro (GJM) 5 1765.8 5 1.5 1536.7 -22.9 Details
8 2025 Mzansi Individual Championships (U12 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1685.8 6 5 1816.1 17 Details
9 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 14.1 Details
10 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 24.1 Details
11 Bojanala's Merry ChessMas 2025 (Center Pawns) Standard 2025-11-29 2025-11-29 Bojanala Platina (NBR) 5 1685.8 5 3 1546.4 -12.6 Details
12 MCA Year End Rapid 2025 (U12) Rapid 2025-11-01 2025-11-01 Johannesburg Metro (GJM) 5 1621.2 5 5 1946.7 23.5 Details
13 UJ @20years Open Chess Championship 2025 (E) Standard 2025-10-18 2025-10-18 Johannesburg Metro (GJM) 5 1573 5 5 1725.4 15.9 Details
14 FIDE World Cadet Championships 2025 Classical 2025-09-19 2025-09-30 FIDE (FID) 11 1573 11 4 1501.1 -19.6 Details
15 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 11.6 Details
16 GoForChess Junior Chess Championships 2025 (U12) Standard 2025-09-14 2025-09-14 Johannesburg Metro (GJM) 5 1550.9 3 1 1236.3 -17.6 Details
17 JMC Closed 2025 (U12) Standard 2025-08-09 2025-08-10 Johannesburg Metro (GJM) 5 1520.4 5 4 1709.6 21.8 Details
18 South African Open 2025 (U12 Open) Classical 2025-07-03 2025-07-05 Johannesburg Metro (GJM) 5 1514.9 5 3.5 1554.4 4 Details
19 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 -25.2 Details
20 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
21 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 8.6 Details
22 Chess Power House Randburg Rapid 2025 (A) Rapid 2025-05-11 2025-05-11 Johannesburg Metro (GJM) 6 1560.7 4 2 1438.9 -4.4 Details
23 Chess Power House Randburg Rapid 2025 (B) Rapid 2025-05-11 2025-05-11 Johannesburg Metro (GJM) 5 1560.7 4 4 1785.1 8.3 Details
24 Moja Chess Extravaganza 2025 (U12) Classical 2025-04-26 2025-04-28 Johannesburg Metro (GJM) 5 1560.7 5 2.5 1353.9 -23.2 Details
25 2025 Silver Lakes Chess Club Open Chess Tournament (C) Standard 2025-05-03 2025-05-03 Tshwane (GTP) 5 1560.7 5 3 1527 -2.5 Details
26 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 0.5 Details
27 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 2.3 Details
28 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 43.6 Details
29 JMC Crawford Ruimsig 2025 (B) Standard 2025-03-01 2025-03-01 Johannesburg Metro (GJM) 5 1493.3 5 2 1347.3 -14.9 Details
30 Knight Riders Open Chess Tournament 2025 (D) Standard 2025-02-22 2025-02-22 Johannesburg Metro (GJM) 5 1496.4 5 4 1567.1 6.5 Details
31 JMC Rapid The Bridge School 2025 (Open) Rapid 2025-02-23 2025-02-23 Johannesburg Metro (GJM) 7 1496.4 7 4 1432 -4.3 Details
32 2025 Blou Bul Open Chess Tournament (B) Standard 2025-02-08 2025-02-08 Tshwane (GTP) 5 1496.4 5 2 1516.6 1.2 Details
33 JMC Kick Off 2025 (B) Standard 2025-02-02 2025-02-02 Johannesburg Metro (GJM) 5 1496.4 5 2 1351.2 -14.8 Details
34 2025 Tshwane Chess OPEN Registration Tournament (A1) Standard 2025-01-25 2025-01-25 Tshwane (GTP) 5 1555.6 5 0 1115.6 -42.3 Details
35 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 -27 Details
36 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 6.4 Details
37 Laerskool Doringkloof Primary Open Chess Tournament 2024 (U10) Standard 2024-10-19 2024-10-19 Tshwane (GTP) 5 1582.3 5 4 1586.9 1.3 Details
38 Knight Riders Spring Chess Tournament 2024 (A) Standard 2024-09-28 2024-09-28 Johannesburg Metro (GJM) 5 1609.5 3 2 1584.3 -2 Details
39 2024 Moja Chess Extravaganza (D) Standard 2024-09-25 2024-09-26 Frances Baard (NCF) 5 1609.5 5 3 1437.6 -17.5 Details
40 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 20.6 Details
41 JMC Closed 2024 (U10) Standard 2024-08-09 2024-08-09 Johannesburg Metro (GJM) 5 1497.5 5 5 1776.3 26.6 Details
42 JMC Trinityhouse Randpark Ridge 2024 (U10) Standard 2024-07-13 2024-07-13 Johannesburg Metro (GJM) 5 1458.5 5 4.5 1698.9 24.4 Details
43 2024 African Youth Chess Championship Classical 2024-06-16 2024-06-22 Tshwane (GTP) 9 1558.1 8 3.5 1317.1 -45.2 Details
44 JMC Trinityhouse Little Falls 2024 (C) Standard 2024-06-02 2024-06-02 Johannesburg Metro (GJM) 5 1558.1 5 2 1271.4 -28.6 Details
45 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 26.8 Details
46 JMC Helpmekaar Kollege Tournament 2024 (U10) Standard 2024-05-04 2024-05-04 Johannesburg Metro (GJM) 5 1480.7 5 4.5 1707.3 21.6 Details
47 2024 Silver Lakes Open Chess Tournament (C) Standard 2024-04-20 2024-04-20 Tshwane (GTP) 5 1544.2 4 0 1033.9 -39.7 Details
48 CPH St Andrew's Rapid 2024 (C) Rapid 2024-03-30 2024-03-30 Ekurhuleni (GE) 5 1368.6 5 4 1570.8 11 Details
49 1st Knights Open Tournament 2024 (U10) Standard 2024-03-23 2024-03-23 Johannesburg Metro (GJM) 5 1368.6 5 5 1670.7 32.7 Details
50 JNW Open - Classic - Crawford 2024 (U10) Standard 2024-03-09 2024-03-09 Johannesburg Metro (GJM) 5 1368.6 5 4.5 1662.4 29.5 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 34
Wins 15
Draws 4
Losses 15
White 19
Black 15
White wins 9
Black wins 6
Score 17
Percent 50
Dp 0
AOR 1596.3
Performance 1596.3
Game statistics (History)
Games 449
Wins 263
Draws 31
Losses 155
White 224
Black 225
White wins 133
Black wins 130
Score 278.5
Percent 62
Dp 102.2
AOR 1378.8
Performance 1481.1
Rankings (Main)
National
Overall 801
Gender 745
Age group 28
Gender/Age 25
Provincial
Overall 282
Gender 261
Age group 16
Gender/Age 13
Regional
Overall 108
Gender 97
Age group 7
Gender/Age 5
Rankings (Standard)
National
Overall 718
Gender 666
Age group 26
Gender/Age 22
Provincial
Overall 267
Gender 246
Age group 17
Gender/Age 13
Regional
Overall 96
Gender 85
Age group 8
Gender/Age 5
Rankings (Rapid)
National
Overall 559
Gender 504
Age group 50
Gender/Age 39
Provincial
Overall 98
Gender 90
Age group 2
Gender/Age 2
Regional
Overall 57
Gender 53
Age group 2
Gender/Age 2
Rankings (Blitz)
National
Overall 265
Gender 253
Age group 3
Gender/Age 3
Provincial
Overall 94
Gender 87
Age group 1
Gender/Age 1
Regional
Overall 54
Gender 49
Age group 1
Gender/Age 1
Performance ( )
Games 9
Score 6
Percent 66.7
Aor 1668.6
Dp 141.7
Prat 1810.2
Performance ()
Games 34
Score 17
Percent 50
Aor 1596.3
Dp 0
Prat 1596.3
Performance (12 months)
Games 119
Score 76
Percent 63.9
Aor 1496.9
Dp 117.9
Prat 1614.8
Performance (History)
Games 449
Score 278.5
Percent 62
Aor 1378.8
Dp 102.2
Prat 1481.1
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 Zhu, R (Ryan Yuancheng) 5 4 1 Chess Power House 1st Rapid 2024 (C) MCA Year End Rapid 2025 (U12) Details
Overall 4 Mannar, A (Aaryan) 5 2 3 JMC Closed Aug 2023 (U10) GoForChess Junior Chess Championships 2025 (U12) Details
Overall 5 Goncalves, E (Emilio) 5 2 3 JNW Open - Classic - Crawford 2024 (U10) South African Junior Closed Chess Championships 2025 (U10 Open) 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