PLAYER PAGE

Sebastian Stelloh

1150145631
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1679.5
K-factor 28
Floor 1129
Highest 1784.2 (2026-01-01)
Min/Max +/- allowed 72
Rating Change
()
Games 5
Score 1
We 1.82
SWe -0.68
Temp +/- -19
Penalties 0
Weight perform 1632.1
Final +/- -19
New Rating
()
Rating 1660.5
K-factor 28
Floor 1129
Highest 1784.2 (2026-01-01)
Min/Max +/- allowed 72.1
Standard rating
Rating 1687.9
K-factor 28
Floor 1226.2
Highest 1726.2 (2026-04-01)
Min/Max +/- allowed 78.4
Rating Change
()
Games 5
Score 1
We 1.88
SWe -0.88
Temp +/- -24.5
Penalties 0
Weight perform 1632.1
Final +/- -24.5
New Rating
()
Rating 1663.4
K-factor 28
Floor 1226.2
Highest 1726.2 (2026-04-01)
Min/Max +/- allowed 78.4
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 1459.4
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 JMC Helpmekaar 2026 (A) Standard 2026-05-31 2026-05-31 Johannesburg Metro (GJM) 5 1679.5 5 1 1581.3 -19 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Spartans Bishops 2026 (Bishops) Standard 2026-05-01 2026-05-01 Sarah Baartman (ESB) 5 1707.2 5 3 1594.9 -12.2 Details
2 Sixth Knight Riders Juniors Open Chess Tournament 2026 (A+B) Standard 2026-05-10 2026-05-10 Johannesburg Metro (GJM) 5 1707.2 5 3 1604.8 -9.9 Details
3 3rd KHELO INDIA - LCA Chess Tournament 2026 (D) Standard 2026-04-19 2026-04-19 Johannesburg Metro (GJM) 5 1635 5 4.5 1885.1 35.3 Details
4 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
5 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
6 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
7 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
8 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
9 West Rand Juniors 2026 (U12) Standard 2026-03-07 2026-03-07 West Rand (GWR) 5 1707.2 0 0 500 0 Details
10 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
11 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
12 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
13 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
14 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
15 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
16 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
17 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
18 FIDE World Cadet Championships 2025 Classical 2025-09-19 2025-09-30 FIDE (FID) 11 1573 11 4 1501.1 -19.6 Details
19 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
20 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
21 JMC Closed 2025 (U12) Standard 2025-08-09 2025-08-10 Johannesburg Metro (GJM) 5 1520.4 5 4 1709.6 21.8 Details
22 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
23 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
24 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
25 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
26 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
27 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
28 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
29 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
30 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
31 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
32 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
33 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
34 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
35 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
36 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
37 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
38 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
39 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
40 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
41 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
42 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
43 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
44 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
45 JMC Closed 2024 (U10) Standard 2024-08-09 2024-08-09 Johannesburg Metro (GJM) 5 1497.5 5 5 1776.3 26.6 Details
46 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
47 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
48 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
49 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
50 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
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 54
Wins 26
Draws 5
Losses 23
White 27
Black 27
White wins 13
Black wins 13
Score 28.5
Percent 52.8
Dp 23.6
AOR 1598.7
Performance 1622.3
Game statistics (History)
Games 469
Wins 274
Draws 32
Losses 163
White 232
Black 237
White wins 137
Black wins 137
Score 290
Percent 61.8
Dp 100.6
AOR 1388.4
Performance 1489
Rankings (Main)
National
Overall 625
Gender 588
Age group 19
Gender/Age 17
Provincial
Overall 214
Gender 200
Age group 7
Gender/Age 5
Regional
Overall 87
Gender 79
Age group 5
Gender/Age 3
Rankings (Standard)
National
Overall 556
Gender 520
Age group 19
Gender/Age 17
Provincial
Overall 197
Gender 184
Age group 6
Gender/Age 4
Regional
Overall 75
Gender 68
Age group 5
Gender/Age 3
Rankings (Rapid)
National
Overall 628
Gender 568
Age group 61
Gender/Age 49
Provincial
Overall 123
Gender 112
Age group 7
Gender/Age 7
Regional
Overall 65
Gender 61
Age group 3
Gender/Age 3
Rankings (Blitz)
National
Overall 306
Gender 294
Age group 7
Gender/Age 7
Provincial
Overall 110
Gender 102
Age group 5
Gender/Age 5
Regional
Overall 65
Gender 58
Age group 5
Gender/Age 5
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 54
Score 28.5
Percent 52.8
Aor 1598.7
Dp 23.6
Prat 1622.3
Performance (12 months)
Games 118
Score 73
Percent 61.9
Aor 1536.2
Dp 100.8
Prat 1637.1
Performance (History)
Games 469
Score 290
Percent 61.8
Aor 1388.4
Dp 100.6
Prat 1489
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 Goncalves, E (Emilio) 6 2 4 JNW Open - Classic - Crawford 2024 (U10) 3rd KHELO INDIA - LCA Chess Tournament 2026 (D) Details
Overall 4 Mannar, A (Aaryan) 5 2 3 JMC Closed Aug 2023 (U10) GoForChess Junior Chess Championships 2025 (U12) Details
Overall 5 Brits, E (Etienne) 5 2 3 Chess Power House 2023 (C) South African Junior Closed Chess Championship 2026 (U12 Open) Details
Standard 1 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 2 Ma, M (Matthew) 7 3 4 JNW Open - Trinityhouse Little Falls 2023 (U10) 2026 JMC Kick off Tournament (A) Details
Standard 3 Goncalves, E (Emilio) 6 2 4 JNW Open - Classic - Crawford 2024 (U10) 3rd KHELO INDIA - LCA Chess Tournament 2026 (D) Details
Standard 4 Exarchos, I (Isabella) 5 4 1 JMC 2nd Trials 2022 (U8) JMC Helpmekaar Kollege Tournament 2024 (U10) 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