Chess South Africa
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Chess South Africa
Stelloh, A (Alexander)
Dob:
2017/09/01 (U8)
Gender:
Male
Chess SA id:
1170147325
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2024/10/19 (21 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1329.3
Current Weighted rating
1321.3
Current Weighted performance
1248.9
Current official/published rating (highest between Raw, WR and WP)
1329.3
Current highest rating achieved
1424.6
Current floor (min rating allowed)
924.6
Current K-factor
32
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±137.9
Current Raw change used (final)
0.0
Projected new Raw rating
1329.3
Projected new Weighed rating
1218.4
Projected new Weighted performance
1248.9
Projected new final Raw rating (if new WP > new Raw)
1329.3
Projected new highest rating
1424.6
Projected new floor
924.6
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1329.3
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1319.2
Current Weighted rating
1335.3
Current Weighted performance
1248.9
Current official/published rating (highest between Raw, WR and WP)
1335.3
Current highest rating achieved
1428.7
Current floor (min rating allowed)
928.7
Current K-factor
32
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±139.9
Current Raw change used (final)
0.0
Projected new Raw rating
1319.2
Projected new Weighed rating
1231.2
Projected new Weighted performance
1248.9
Projected new final Raw rating (if new WP > new Raw)
1319.2
Projected new highest rating
1428.7
Projected new floor
928.7
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1319.2
Projected effective change (new Official - current Official)
-16.1
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1233.0
Current Weighted rating
1217.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1233.0
Current highest rating achieved
1233.0
Current floor (min rating allowed)
733.0
Current K-factor
36
s
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±158.2
Current Raw change used (final)
0.0
Projected new Raw rating
1233.0
Projected new Weighed rating
1120.7
Projected new Weighted performance
895.4
Projected new final Raw rating (if new WP > new Raw)
1233.0
Projected new highest rating
1233.0
Projected new floor
733.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1233.0
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
998.4
Current Weighted rating
1010.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1010.3
Current highest rating achieved
1125.6
Current floor (min rating allowed)
625.6
Current K-factor
40
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±221.0
Current Raw change used (final)
0.0
Projected new Raw rating
998.4
Projected new Weighed rating
927.4
Projected new Weighted performance
426.0
Projected new final Raw rating (if new WP > new Raw)
998.4
Projected new highest rating
1125.6
Projected new floor
625.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
998.4
Projected effective change (new Official - current Official)
-11.9
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
18
Laerskool Doringkloof Primary Open Chess Tournament 2024 (U8)
2024/10/19
2024/10/19
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1336.2
1326.6
Analysis
17
Knight Riders Spring Chess Tournament 2024 (U8+U10)
2024/09/28
2024/09/28
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1406.9
1412.7
Analysis
16
2024 Moja Chess Extravaganza (D)
2024/09/25
2024/09/26
Frances Baard (NCF)
Standard
62
0.84
5
5
1.0
1406.9
1412.7
Analysis
15
Bojanala's FIDE In The Sparkling Waters 2024 (Young Junior Champs)
2024/08/17
2024/08/17
Bojanala Platina (NBR)
Standard
120
1.00
5
5
3.0
1424.6
1428.7
Analysis
14
JMC Closed 2024 (U8)
2024/08/09
2024/08/09
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.5
1424.6
1428.7
Analysis
13
JMC Trinityhouse Randpark Ridge 2024 (U8)
2024/07/13
2024/07/13
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1385.1
1404.7
Analysis
12
JMC Trinityhouse Little Falls 2024 (U8)
2024/06/02
2024/06/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1338.8
1348.1
Analysis
11
JMC Helpmekaar Kollege Tournament 2024 (U8)
2024/05/04
2024/05/04
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1355.1
1378.3
Analysis
10
South African Junior Closed Chess Championship 2024 (U8 Open)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
4.0
1355.1
1378.3
Analysis
9
2024 Silver Lakes Open Chess Tournament (E)
2024/04/20
2024/04/20
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1327.6
1344.3
Analysis
8
CPH St Andrew's Rapid 2024 (D)
2024/03/30
2024/03/30
Ekurhuleni (GE)
Rapid
20
0.47
5
5
3.0
1316.1
1213.6
Analysis
7
1st Knights Open Tournament 2024 (U8)
2024/03/23
2024/03/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1316.1
1352.6
Analysis
6
JNW Open - Classic - Crawford 2024 (U8)
2024/03/09
2024/03/09
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
1.0
1316.1
1352.6
Analysis
5
JMC Unika School Tournament 2024
2024/03/02
2024/03/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.5
1316.1
1352.6
Analysis
4
Chess Power House 1st Rapid 2024 (D)
2024/02/24
2024/02/24
Johannesburg Metro (GJM)
Rapid
20
0.47
5
5
3.0
1249.8
1196.8
Analysis
3
2024 Blou Bul Open Chess Tournament (F)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1249.8
1254.2
Analysis
2
JMC Kick Off Tournament 2024 (U8)
2024/01/28
2024/01/28
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1227.3
1240.5
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U8)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1227.3
1240.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
41
Laerskool Doringkloof Primary Open Chess Tournament 2024 (U8)
2024/10/19
2024/10/19
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1336.2
1326.6
Analysis
40
Knight Riders Spring Chess Tournament 2024 (U8+U10)
2024/09/28
2024/09/28
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1406.9
1412.7
Analysis
39
2024 Moja Chess Extravaganza (D)
2024/09/25
2024/09/26
Frances Baard (NCF)
Standard
62
0.84
5
5
1.0
1406.9
1412.7
Analysis
38
Bojanala's FIDE In The Sparkling Waters 2024 (Young Junior Champs)
2024/08/17
2024/08/17
Bojanala Platina (NBR)
Standard
120
1.00
5
5
3.0
1424.6
1428.7
Analysis
37
JMC Closed 2024 (U8)
2024/08/09
2024/08/09
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.5
1424.6
1428.7
Analysis
36
JMC Trinityhouse Randpark Ridge 2024 (U8)
2024/07/13
2024/07/13
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1385.1
1404.7
Analysis
35
JMC Trinityhouse Little Falls 2024 (U8)
2024/06/02
2024/06/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1338.8
1348.1
Analysis
34
JMC Helpmekaar Kollege Tournament 2024 (U8)
2024/05/04
2024/05/04
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1355.1
1378.3
Analysis
33
South African Junior Closed Chess Championship 2024 (U8 Open)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
4.0
1355.1
1378.3
Analysis
32
2024 Silver Lakes Open Chess Tournament (E)
2024/04/20
2024/04/20
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1327.6
1344.3
Analysis
31
CPH St Andrew's Rapid 2024 (D)
2024/03/30
2024/03/30
Ekurhuleni (GE)
Rapid
20
0.47
5
5
3.0
1316.1
1213.6
Analysis
30
1st Knights Open Tournament 2024 (U8)
2024/03/23
2024/03/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1316.1
1352.6
Analysis
29
JNW Open - Classic - Crawford 2024 (U8)
2024/03/09
2024/03/09
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
1.0
1316.1
1352.6
Analysis
28
JMC Unika School Tournament 2024
2024/03/02
2024/03/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.5
1316.1
1352.6
Analysis
27
Chess Power House 1st Rapid 2024 (D)
2024/02/24
2024/02/24
Johannesburg Metro (GJM)
Rapid
20
0.47
5
5
3.0
1249.8
1196.8
Analysis
26
2024 Blou Bul Open Chess Tournament (F)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1249.8
1254.2
Analysis
25
JMC Kick Off Tournament 2024 (U8)
2024/01/28
2024/01/28
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1227.3
1240.5
Analysis
24
2024 Gauteng Inter-Region Chess Championship (U8)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1227.3
1240.5
Analysis
23
2023 Cross Border Chess Championships Gaborone vs Bojanala
2023/12/14
2023/12/14
Botswana (BOT)
Standard
65
0.85
9
8
4.0
1237.6
1265.0
Analysis
22
Bojanala's Merry ChessMas 2023 (Big Pawns)
2023/12/09
2023/12/09
Bojanala Platina (NBR)
Standard
60
0.83
5
5
4.0
1237.6
1265.0
Analysis
1
2
3
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
93
57
2
34
58.0
62.4
105.1
1249.0
1354.1
White
49
31
1
17
31.5
64.3
121.4
1228.1
1349.5
Black
44
26
1
17
26.5
60.2
86.9
1272.3
1359.2
Standard
All
83
51
2
30
52.0
62.7
107.5
1252.5
1360.1
White
43
27
1
15
27.5
64.0
118.6
1229.5
1348.1
Black
40
24
1
15
24.5
61.3
95.6
1277.3
1372.9
Rapid
All
10
6
0
4
6.0
60.0
85.0
1219.6
1304.6
White
6
4
0
2
4.0
66.7
141.7
1217.7
1359.4
Black
4
2
0
2
2.0
50.0
0.0
1222.3
1222.3
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
213
111
7
95
114.5
53.8
31.9
1227.6
1259.5
White
112
61
4
47
63.0
56.3
53.1
1212.8
1265.9
Black
101
50
3
48
51.5
51.0
8.4
1244.0
1252.4
Standard
All
186
101
7
78
104.5
56.2
52.6
1230.5
1283.0
White
97
55
4
38
57.0
58.8
74.5
1214.4
1288.9
Black
89
46
3
40
47.5
53.4
28.7
1248.0
1276.7
Rapid
All
14
8
0
6
8.0
57.1
60.7
1210.8
1271.6
White
8
5
0
3
5.0
62.5
106.3
1213.3
1319.5
Black
6
3
0
3
3.0
50.0
0.0
1207.6
1207.6
Blitz
All
13
2
0
11
2.0
15.4
-294.2
1204.0
909.8
White
7
1
0
6
1.0
14.3
-303.6
1189.7
886.2
Black
6
1
0
5
1.0
16.7
-283.3
1220.6
937.3
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1170155747
Koorts, L (Lukas)
8
0.5
0
1
7
6.3
1313.5
-371.9
941.7
View list
2
2170151830
Malemane, A (Atlehang Faith)
7
4.5
4
1
2
64.3
1331.7
121.4
1453.1
View list
3
1170157327
Bekker, J (Jacobus)
4
4.0
4
0
0
100.0
1317.0
425.0
1742.0
View list
4
1180147825
Conradie, D (David)
4
3.0
3
0
1
75.0
1301.2
212.5
1513.7
View list
5
1170145156
Botha, E (Erasmus Albertus)
4
3.0
3
0
1
75.0
1238.7
212.5
1451.2
View list
6
1170162033
Sahoo, S (Shaurya)
4
3.0
3
0
1
75.0
1338.4
212.5
1550.9
View list
7
1160143816
Pelser, A (Aidan)
4
1.5
1
1
2
37.5
1275.2
-106.3
1168.9
View list
8
1160155757
Hlabangwane, N (Ntwanano)
3
3.0
3
0
0
100.0
1351.6
425.0
1776.6
View list
9
2170191603
Joubert, Z (Zani)
3
3.0
3
0
0
100.0
1365.3
425.0
1790.3
View list
10
2170191352
Kgwale, K (Keratilwe)
3
2.0
2
0
1
66.7
1271.9
141.7
1413.6
View list
11
1170134515
Deysel, Z (Zachariah)
3
1.0
1
0
2
33.3
1286.5
-141.7
1144.8
View list
12
1160151828
Du Pisani, M (Malcom)
3
1.0
1
0
2
33.3
1343.3
-141.7
1201.7
View list
13
1160156767
De Jager, L (Luado)
2
2.0
2
0
0
100.0
1296.3
425.0
1721.3
View list
14
1170143024
Ebersohn, C (Christiaan)
2
2.0
2
0
0
100.0
1277.4
425.0
1702.4
View list
15
1180303048
Fischer, E (Ernst)
2
2.0
2
0
0
100.0
1381.7
425.0
1806.7
View list
16
1170149591
Kgame, K (Kgosi Otshepeng)
2
2.0
2
0
0
100.0
1359.7
425.0
1784.7
View list
17
1170154203
Kwint, S (Samuel)
2
2.0
2
0
0
100.0
1285.1
425.0
1710.1
View list
18
2170303049
Levitan, E (Eliana)
2
2.0
2
0
0
100.0
1389.8
425.0
1814.8
View list
19
2160146473
Pilane, O (Ogone)
2
2.0
2
0
0
100.0
1109.5
425.0
1534.5
View list
20
1180301744
Van Eeden, C (Cilliers)
2
2.0
2
0
0
100.0
1404.8
425.0
1829.8
View list