PLAYER PAGE

Alexander Stelloh

1170147325
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1539.8
K-factor 32
Floor 1039.8
Highest 1539.8 (2026-03-01)
Min/Max +/- allowed 102
Rating Change
()
Games 9
Score 4.5
We 4.67
SWe -0.17
Temp +/- -5.5
Penalties 0
Weight perform 1569.7
Final +/- +29.9
New Rating
()
Rating 1569.7
K-factor 32
Floor 1069.7
Highest 1569.7 (2026-04-01)
Min/Max +/- allowed 97.9
Standard rating
Rating 1538.1
K-factor 32
Floor 1038.1
Highest 1538.1 (2026-03-01)
Min/Max +/- allowed 102.4
Rating Change
()
Games 9
Score 4.5
We 4.77
SWe -0.27
Temp +/- -8.7
Penalties 0
Weight perform 1569.7
Final +/- +31.6
New Rating
()
Rating 1569.7
K-factor 32
Floor 1069.7
Highest 1569.7 (2026-04-01)
Min/Max +/- allowed 97.9
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 1309.7
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 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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 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
2 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
3 West Rand Juniors 2026 (U10) Standard 2026-03-07 2026-03-07 West Rand (GWR) 5 1428.3 5 5 1701.3 44 Details
4 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
5 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
6 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
7 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
8 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
9 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
10 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
11 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
12 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
13 FIDE World Cadet Championships 2025 Classical 2025-09-19 2025-09-30 FIDE (FID) 11 1444.7 10 2 1181.4 -62 Details
14 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
15 JMC Closed 2025 (U10) Standard 2025-08-09 2025-08-09 Johannesburg Metro (GJM) 5 1478.4 5 2.5 1327 -13.9 Details
16 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
17 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
18 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
19 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
20 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
21 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
22 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
23 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
24 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
25 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
26 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
27 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
28 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
29 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
30 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
31 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
32 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
33 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
34 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
35 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
36 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
37 JMC Closed 2024 (U8) Standard 2024-08-09 2024-08-09 Johannesburg Metro (GJM) 5 1424.6 5 3.5 1508.8 9 Details
38 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
39 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
40 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
41 JMC Helpmekaar Kollege Tournament 2024 (U8) Standard 2024-05-04 2024-05-04 Johannesburg Metro (GJM) 5 1355.1 5 3 1360.1 1.3 Details
42 2024 Silver Lakes Open Chess Tournament (E) Standard 2024-04-20 2024-04-20 Tshwane (GTP) 5 1327.6 5 4 1490.4 15.3 Details
43 CPH St Andrew's Rapid 2024 (D) Rapid 2024-03-30 2024-03-30 Ekurhuleni (GE) 5 1316.1 5 3 1306.3 -0.9 Details
44 1st Knights Open Tournament 2024 (U8) Standard 2024-03-23 2024-03-23 Johannesburg Metro (GJM) 5 1316.1 5 4 1416.3 10.8 Details
45 JNW Open - Classic - Crawford 2024 (U8) Standard 2024-03-09 2024-03-09 Johannesburg Metro (GJM) 5 1316.1 4 1 1125 -14.9 Details
46 JMC Unika School Tournament 2024 Standard 2024-03-02 2024-03-02 Johannesburg Metro (GJM) 5 1316.1 5 3.5 1425 11.5 Details
47 2024 Blou Bul Open Chess Tournament (F) Standard 2024-02-10 2024-02-10 Tshwane (GTP) 5 1249.8 5 5 1609.8 34.5 Details
48 Chess Power House 1st Rapid 2024 (D) Rapid 2024-02-24 2024-02-24 Johannesburg Metro (GJM) 5 1249.8 5 3 1302.8 2.5 Details
49 2024 Gauteng Inter-Region Chess Championship (U8) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1227.3 5 3 1303.7 7.7 Details
50 JMC Kick Off Tournament 2024 (U8) Standard 2024-01-28 2024-01-28 Johannesburg Metro (GJM) 5 1227.3 5 3 1260 2.7 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 38
Wins 25
Draws 2
Losses 11
White 21
Black 17
White wins 14
Black wins 11
Score 26
Percent 68.4
Dp 156.6
AOR 1400
Performance 1556.6
Game statistics (History)
Games 405
Wins 221
Draws 14
Losses 170
White 209
Black 196
White wins 118
Black wins 103
Score 228
Percent 56.3
Dp 53.5
AOR 1292.3
Performance 1345.9
Rankings (Main)
National
Overall 1472
Gender 1327
Age group 35
Gender/Age 28
Provincial
Overall 511
Gender 457
Age group 13
Gender/Age 9
Regional
Overall 188
Gender 167
Age group 9
Gender/Age 7
Rankings (Standard)
National
Overall 1378
Gender 1226
Age group 38
Gender/Age 30
Provincial
Overall 493
Gender 439
Age group 13
Gender/Age 9
Regional
Overall 169
Gender 150
Age group 9
Gender/Age 7
Rankings (Rapid)
National
Overall 1143
Gender 974
Age group 35
Gender/Age 31
Provincial
Overall 188
Gender 161
Age group 9
Gender/Age 8
Regional
Overall 93
Gender 84
Age group 6
Gender/Age 5
Rankings (Blitz)
National
Overall 567
Gender 499
Age group 19
Gender/Age 13
Provincial
Overall 188
Gender 158
Age group 9
Gender/Age 6
Regional
Overall 87
Gender 78
Age group 3
Gender/Age 2
Performance ( )
Games 9
Score 4.5
Percent 50
Aor 1527.3
Dp 0
Prat 1527.3
Performance ()
Games 38
Score 26
Percent 68.4
Aor 1400
Dp 156.6
Prat 1556.6
Performance (12 months)
Games 118
Score 72
Percent 61
Aor 1376.4
Dp 93.6
Prat 1470
Performance (History)
Games 405
Score 228
Percent 56.3
Aor 1292.3
Dp 53.5
Prat 1345.9
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Malemane, A (Atlehang Faith) 10 3 7 JMC Trinity Little Falls 2023 (U8) JMC Trinityhouse Little Falls (U10) Details
Overall 2 Koorts, L (Lukas) 9 4 5 JNW Open - Trinityhouse Little Falls 2023 (U8) JMC Closed 2025 (U10) Details
Overall 3 Kgwale, K (Keratilwe) 5 2 3 Chess Power House 1st Rapid 2024 (D) MCA Summer Heat Classic 2026 (U10) Details
Overall 4 Sahoo, S (Shaurya) 5 1 4 JMC Unika School Tournament 2024 2026 JMC Kick off Tournament (U10) Details
Overall 5 Conradie, D (David) 5 4 1 FNB Chessheroes Anity Bullying 2022 (U7) South African Junior Closed Chess Championships 2025 (U8 Open) 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) 9 4 5 JNW Open - Trinityhouse Little Falls 2023 (U8) JMC Closed 2025 (U10) Details
Standard 3 Bekker, J (Jacobus) 5 1 4 JNW Open - Trinityhouse Little Falls 2023 (U8) South African Junior Closed Chess Championships 2025 (U8 Open) Details
Standard 4 Sahoo, S (Shaurya) 5 1 4 JMC Unika School Tournament 2024 2026 JMC Kick off Tournament (U10) Details
Standard 5 Conradie, D (David) 5 4 1 FNB Chessheroes Anity Bullying 2022 (U7) 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