PLAYER PAGE

Alexander Stelloh

1170147325
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1526
K-factor 32
Floor 1039.8
Highest 1539.8 (2026-03-01)
Min/Max +/- allowed 102
Rating Change
()
Games 5
Score 4
We 3.23
SWe 0.64
Temp +/- 20.4
Penalties 0
Weight perform 1620.6
Final +/- +94.6
New Rating
()
Rating 1620.6
K-factor 28
Floor 1120.6
Highest 1620.6 (2026-09-01)
Min/Max +/- allowed 91.1
Standard rating
Rating 1505.8
K-factor 32
Floor 1038.1
Highest 1538.1 (2026-03-01)
Min/Max +/- allowed 102.4
Rating Change
()
Games 5
Score 4
We 3.14
SWe 0.86
Temp +/- 27.4
Penalties 0
Weight perform 1620.6
Final +/- +102.4
New Rating
()
Rating 1608.2
K-factor 28
Floor 1108.2
Highest 1608.2 (2026-09-01)
Min/Max +/- allowed 92.7
Rapid rating
Rating 1363.8
K-factor 36
Floor 896.8
Highest 1396.8 (2025-05-05)
Min/Max +/- allowed 125.3
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1253.6
Final +/- 0
New Rating
()
Rating 1363.8
K-factor 36
Floor 896.8
Highest 1396.8 (2025-05-05)
Min/Max +/- allowed 125.3
Blitz rating
Rating 1114.7
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 1114.7
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 Sedibeng Chess Open 2026 (F) Standard 2026-09-05 2026-09-05 Sedibeng (GSV) 5 1526 5 4 1648.3 20.4 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Midrand Juniors Classical Tournament 2026 (U10) Standard 2026-08-29 2026-08-29 Johannesburg Metro (GJM) 5 1526 4 4 1683.8 39.9 Details
2 Ekurhuleni 3rd Standard Tournament 2026 (E) Standard 2026-08-08 2026-08-08 Ekurhuleni (GE) 5 1526 5 4.5 1751.7 52.4 Details
3 JMC Closed 2026 (U10) Standard 2026-08-01 2026-08-01 Johannesburg Metro (GJM) 5 1526 5 3 1406.5 -1.4 Details
4 Knights Watch Winter Classic 2026 (E) Standard 2026-07-04 2026-07-04 Johannesburg Metro (GJM) 5 1421 4 2 1369.2 -4.2 Details
5 4th Khelo India - LCA Chess Tournament 2026 (E) Standard 2026-07-12 2026-07-12 Johannesburg Metro (GJM) 5 1421 5 3 1426.3 7 Details
6 JMC Helpmekaar 2026 (B) Standard 2026-05-31 2026-05-31 Johannesburg Metro (GJM) 5 1501.9 5 0 976.1 -80.9 Details
7 Spartans Bishops 2026 (Junior Pawns) Standard 2026-05-01 2026-05-01 Sarah Baartman (ESB) 5 1519.7 5 4 1498.5 -1.8 Details
8 Sixth Knight Riders Juniors Open Chess Tournament 2026 (C+D) Standard 2026-05-10 2026-05-10 Johannesburg Metro (GJM) 5 1519.7 5 3 1449 -9.7 Details
9 3rd KHELO INDIA - LCA Chess Tournament 2026 (D) Standard 2026-04-19 2026-04-19 Johannesburg Metro (GJM) 5 1539.8 5 3 1435.2 -14.6 Details
10 South African Junior Closed Chess Championship 2026 (U10 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1539.8 9 4.5 1527.3 -5.5 Details
11 MCA Summer Heat Classic 2026 (U10) Standard 2026-03-21 2026-03-21 Johannesburg Metro (GJM) 5 1428.3 4 3 1600.7 21.6 Details
12 Chess Power House Boksburg Open 2026 (D) Standard 2026-03-13 2026-03-13 Ekurhuleni (GE) 5 1428.3 5 3.5 1542.1 16.8 Details
13 West Rand Juniors 2026 (U10) Standard 2026-03-07 2026-03-07 West Rand (GWR) 5 1428.3 5 5 1701.3 44 Details
14 JMC Trinityhouse Little Falls (U10) Standard 2026-02-28 2026-02-28 Johannesburg Metro (GJM) 5 1428.3 5 4 1713.2 43.4 Details
15 2nd Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) Standard 2026-02-21 2026-02-21 Johannesburg Metro (GJM) 5 1458.6 5 3 1378.5 -8.3 Details
16 2026 JMC Kick off Tournament (U10) Standard 2026-02-01 2026-02-01 Johannesburg Metro (GJM) 5 1458.6 5 3 1465.2 0.1 Details
17 2025 Mzansi Individual Championships (U10 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1397.6 6 2.5 1408.9 1.4 Details
18 2025 Mzansi Inter Provincial Team Championships (U10 Combined) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1397.6 6 5 1634 27.7 Details
19 Gauteng Inter-Region at Emerald Resort 2025 (U10 Candidates) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1397.6 5 3 1472.6 9 Details
20 Bojanala's Merry ChessMas 2025 (Big Pawns) Standard 2025-11-29 2025-11-29 Bojanala Platina (NBR) 5 1397.6 5 3 1479.7 7.3 Details
21 MCA Year End Rapid 2025 (U10) Rapid 2025-11-01 2025-11-01 Johannesburg Metro (GJM) 5 1400.7 5 3 1388.9 -1.3 Details
22 UJ @20years Open Chess Championship 2025 (E) Standard 2025-10-18 2025-10-18 Johannesburg Metro (GJM) 5 1444.7 5 3 1373.5 -7.5 Details
23 FIDE World Cadet Championships 2025 Classical 2025-09-19 2025-09-30 FIDE (FID) 11 1444.7 10 2 1181.4 -62 Details
24 GoForChess Junior Chess Championships 2025 (U10) Standard 2025-09-14 2025-09-14 Johannesburg Metro (GJM) 5 1456.1 5 3 1388.8 -7.1 Details
25 JMC Closed 2025 (U10) Standard 2025-08-09 2025-08-09 Johannesburg Metro (GJM) 5 1478.4 5 2.5 1327 -13.9 Details
26 South African Open 2025 (U10 Open) Classical 2025-07-03 2025-07-05 Johannesburg Metro (GJM) 5 1459.2 5 3 1554.1 12 Details
27 Third Knight Riders Junior Open 2025 (U10) Standard 2025-06-22 2025-06-22 Johannesburg Metro (GJM) 5 1472.4 5 3 1378.8 -8.3 Details
28 Knight Riders Juniors Open Chess Tournament 2025 (U10) Standard 2025-05-24 2025-05-24 Johannesburg Metro (GJM) 5 1390.9 5 3 1354 -4.1 Details
29 Chess Power House Randburg Rapid 2025 (B) Rapid 2025-05-11 2025-05-11 Johannesburg Metro (GJM) 5 1390.9 4 2 1402.6 0.4 Details
30 Moja Chess Extravaganza 2025 (U10) Classical 2025-04-26 2025-04-28 Johannesburg Metro (GJM) 5 1390.9 4 4 1778.6 34.8 Details
31 2025 Silver Lakes Chess Club Open Chess Tournament (U10) Standard 2025-05-03 2025-05-03 Tshwane (GTP) 5 1390.9 5 4 1586.4 19.9 Details
32 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Blitz) Blitz 2025-04-16 2025-04-17 Geece (GRE) 11 1407.2 11 3.5 1324.3 -5.6 Details
33 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Rapid) Rapid 2025-04-13 2025-04-15 Greece (GRE) 11 1407.2 11 5 1474.1 7.6 Details
34 South African Junior Closed Chess Championships 2025 (U8 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1407.2 9 4 1345.7 -12.2 Details
35 JMC Crawford Ruimsig 2025 (U10) Standard 2025-03-01 2025-03-01 Johannesburg Metro (GJM) 5 1418.2 5 3 1339.2 -6.8 Details
36 Knight Riders Open Chess Tournament 2025 (U10) Standard 2025-02-22 2025-02-22 Johannesburg Metro (GJM) 5 1381.3 5 4.5 1679.6 29.9 Details
37 JMC Rapid The Bridge School 2025 (U10) Rapid 2025-02-23 2025-02-23 Johannesburg Metro (GJM) 7 1381.3 6 6 1673.3 16.1 Details
38 2025 Blou Bul Open Chess Tournament (D1) Standard 2025-02-08 2025-02-08 Tshwane (GTP) 5 1381.3 5 1 981.8 -39.5 Details
39 JMC Kick Off 2025 (U10) Standard 2025-02-02 2025-02-02 Johannesburg Metro (GJM) 5 1381.3 5 2 1248.3 -12.3 Details
40 2025 Tshwane Chess OPEN Registration Tournament (U10) Standard 2025-01-25 2025-01-25 Tshwane (GTP) 5 1402.8 5 3 1255.9 -13.4 Details
41 Mzansi Interprovincial Youth Chess Championships 2024 (U8 Open Championship) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1329.3 7 5.5 1503 29.6 Details
42 Gauteng Inter-Region at UJ 2024 (U8 Open) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1329.3 5 4 1470.5 16.3 Details
43 Laerskool Doringkloof Primary Open Chess Tournament 2024 (U8) Standard 2024-10-19 2024-10-19 Tshwane (GTP) 5 1336.2 5 3 1296.5 -4.3 Details
44 Knight Riders Spring Chess Tournament 2024 (U8+U10) Standard 2024-09-28 2024-09-28 Johannesburg Metro (GJM) 5 1406.9 5 3 1426.2 1.2 Details
45 2024 Moja Chess Extravaganza (D) Standard 2024-09-25 2024-09-26 Frances Baard (NCF) 5 1406.9 5 1 937.9 -45.4 Details
46 Bojanala's FIDE In The Sparkling Waters 2024 (Young Junior Champs) Classical 2024-08-17 2024-08-17 Bojanala Platina (NBR) 5 1424.6 5 3 1257.1 -20 Details
47 JMC Closed 2024 (U8) Standard 2024-08-09 2024-08-09 Johannesburg Metro (GJM) 5 1424.6 5 3.5 1508.8 9 Details
48 JMC Trinityhouse Randpark Ridge 2024 (U8) Standard 2024-07-13 2024-07-13 Johannesburg Metro (GJM) 5 1385.1 5 4 1502.2 11 Details
49 JMC Trinityhouse Little Falls 2024 (U8) Standard 2024-06-02 2024-06-02 Johannesburg Metro (GJM) 5 1338.8 5 4 1525.4 19.1 Details
50 South African Junior Closed Chess Championship 2024 (U8 Open) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1355.1 9 4 1309.9 -10.4 Details
Game statistics ( )
Games 5
Wins 4
Draws 0
Losses 1
White 2
Black 3
White wins 2
Black wins 2
Score 4
Percent 80
Dp 255
AOR 1393.3
Performance 1648.3
Game statistics ()
Games 86
Wins 54
Draws 5
Losses 27
White 41
Black 45
White wins 27
Black wins 27
Score 56.5
Percent 65.7
Dp 133.4
AOR 1370.3
Performance 1503.7
Game statistics (History)
Games 453
Wins 250
Draws 17
Losses 186
White 229
Black 224
White wins 131
Black wins 119
Score 258.5
Percent 57.1
Dp 60
AOR 1298.1
Performance 1358.1
Rankings (Main)
National
Overall 1705
Gender 1523
Age group 53
Gender/Age 46
Provincial
Overall 612
Gender 538
Age group 24
Gender/Age 20
Regional
Overall 224
Gender 194
Age group 11
Gender/Age 9
Rankings (Standard)
National
Overall 1752
Gender 1523
Age group 63
Gender/Age 54
Provincial
Overall 648
Gender 563
Age group 28
Gender/Age 24
Regional
Overall 230
Gender 201
Age group 13
Gender/Age 11
Rankings (Rapid)
National
Overall 1286
Gender 1088
Age group 68
Gender/Age 57
Provincial
Overall 269
Gender 222
Age group 16
Gender/Age 13
Regional
Overall 105
Gender 93
Age group 8
Gender/Age 6
Rankings (Blitz)
National
Overall 646
Gender 581
Age group 36
Gender/Age 28
Provincial
Overall 208
Gender 178
Age group 17
Gender/Age 13
Regional
Overall 110
Gender 98
Age group 11
Gender/Age 9
Performance ( )
Games 5
Score 4
Percent 80
Aor 1393.3
Dp 255
Prat 1648.3
Performance ()
Games 86
Score 56.5
Percent 65.7
Aor 1370.3
Dp 133.4
Prat 1503.7
Performance (12 months)
Games 133
Score 81
Percent 60.9
Aor 1372.8
Dp 92.7
Prat 1465.5
Performance (History)
Games 453
Score 258.5
Percent 57.1
Aor 1298.1
Dp 60
Prat 1358.1
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Koorts, L (Lukas) 10 5 5 JNW Open - Trinityhouse Little Falls 2023 (U8) JMC Closed 2026 (U10) Details
Overall 2 Malemane, A (Atlehang Faith) 10 3 7 JMC Trinity Little Falls 2023 (U8) JMC Trinityhouse Little Falls (U10) Details
Overall 3 Sahoo, S (Shaurya) 6 2 4 JMC Unika School Tournament 2024 Knights Watch Winter Classic 2026 (E) Details
Overall 4 Kgwale, K (Keratilwe) 5 2 3 Chess Power House 1st Rapid 2024 (D) MCA Summer Heat Classic 2026 (U10) Details
Overall 5 Tak, A (Abeer) 5 2 3 Bojanala's Merry ChessMas 2023 (Big Pawns) 3rd KHELO INDIA - LCA Chess Tournament 2026 (D) Details
Standard 1 Malemane, A (Atlehang Faith) 10 3 7 JMC Trinity Little Falls 2023 (U8) JMC Trinityhouse Little Falls (U10) Details
Standard 2 Koorts, L (Lukas) 10 5 5 JNW Open - Trinityhouse Little Falls 2023 (U8) JMC Closed 2026 (U10) Details
Standard 3 Sahoo, S (Shaurya) 6 2 4 JMC Unika School Tournament 2024 Knights Watch Winter Classic 2026 (E) Details
Standard 4 Conradie, D (David) 5 4 1 FNB Chessheroes Anity Bullying 2022 (U7) South African Junior Closed Chess Championships 2025 (U8 Open) Details
Standard 5 Bekker, J (Jacobus) 5 1 4 JNW Open - Trinityhouse Little Falls 2023 (U8) South African Junior Closed Chess Championships 2025 (U8 Open) Details
Rapid 1 Lin, Y (Yizheng) 2 1 1 Chess Power House 1st Rapid 2024 (D) CPH St Andrew's Rapid 2024 (D) Details
Rapid 2 Farkas, L (Lavi) 2 1 1 Chess Power House 1st Rapid 2024 (D) JMC Rapid The Bridge School 2025 (U10) Details