Chess South Africa
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Chess South Africa
Stelloh, A (Alexander)
Dob:
2017/01/09 (U8)
Gender:
Male
Chess SA id:
1170147325
FIDE id:
Region:
Johannesburg Matro (GJM)
Citizen:
RSA
Title(s):
Last active:
2024/05/04 (15 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
Curent Raw rating
1355.1
Curent Weighted rating
1267.6
Curent Weighted performance
1333.7
Current official/published rating (highest between Raw, WR and WP)
1355.1
Current floor (min rating allowed)
882.2
Current highest rating achieved
1382.2
Current K-factor
36
Games played this month
14
Score (S)
7.0
Expected score (We)
7.44
Difference (S-We)
-0.44
Current Raw change (no limits, including tournament time weight)
-16.3
Current min/max change allowed (with limits)
±132.9
Current Raw change used (final)
-16.3
Projected new Raw rating
1338.8
Projected new Weighed rating
1275.5
Projected new Weighted performance
1333.7
Projected new official/published rating (highest between new Raw, new WR and new WP)
1338.8
Projected effective change (new Official - current Official)
-16.3
Projected new highest rating
1382.2
Projected new floor
882.2
Projected new K-facor
36
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
Curent Raw rating
1378.3
Curent Weighted rating
1288.4
Curent Weighted performance
1369.7
Current official/published rating (highest between Raw, WR and WP)
1378.3
Current floor (min rating allowed)
884.9
Current highest rating achieved
1384.9
Current K-factor
36
Games played this month
14
Score (S)
7.0
Expected score (We)
7.84
Difference (S-We)
-0.84
Current Raw change (no limits, including tournament time weight)
-30.2
Current min/max change allowed (with limits)
±128.6
Current Raw change used (final)
-30.2
Projected new Raw rating
1348.1
Projected new Weighed rating
1295.8
Projected new Weighted performance
1369.7
Projected new official/published rating (highest between new Raw, new WR and new WP)
1369.7
Projected effective change (new Official - current Official)
-8.6
Projected new highest rating
1384.9
Projected new floor
884.9
Projected new K-facor
36
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
Curent Raw rating
1233.0
Curent Weighted rating
1203.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1233.0
Current floor (min rating allowed)
733.0
Current highest rating achieved
1233.0
Current K-factor
36
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
1206.4
Projected new Weighted performance
0.0
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
Projected new highest rating
1233.0
Projected new floor
733.0
Projected new K-facor
36
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
Curent Raw rating
998.4
Curent Weighted rating
1039.5
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1039.5
Current floor (min rating allowed)
733.0
Current highest rating achieved
1125.6
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
1033.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1033.0
Projected effective change (new Official - current Official)
-6.5
Projected new highest rating
1125.6
Projected new floor
733.0
Projected new K-facor
40
Tournaments
History
Tournament:
JMC Helpmekaar Kollege Tournament 2024 (U8)
Start:
2024/05/04
End:
2024/05/04
Host:
GJM
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
3.0
Main rating:
1355.1
Rating gain/loss:
2.4
Type rating:
1378.3
Rating gain/loss:
-1.4
Analysis
Tournament:
South African Junior Closed Chess Championship 2024 (U8 Open)
Start:
2024/04/27
End:
2024/05/01
Host:
GE
Type:
Standard
Time:
120
Time weight:
1.00
Rounds:
9
Games:
9
Score:
4.0
Main rating:
1355.1
Rating gain/loss:
-18.7
Type rating:
1378.3
Rating gain/loss:
-28.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
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
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
21
Africawide Chess Championship 2023 (Development A)
2023/11/04
2023/11/04
Johannesburg Metro (GJM)
Standard
90
0.94
5
5
2.5
1220.3
1255.6
Analysis
20
2023 Tuks Open Chess Tournament (E+F)
2023/10/07
2023/10/07
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1328.6
1383.3
Analysis
19
2023 Moja Chess Extravaganza (C)
2023/09/30
2023/10/01
Frances Baard (NCF)
Standard
65
0.85
5
4
0.0
1328.6
1383.3
Analysis
18
Bojanala's Spring Cleaning 2023 (Litle Pawns)
2023/08/26
2023/08/26
Bojanala Platina (NBR)
Standard
60
0.83
5
4
4.0
1294.8
1328.4
Analysis
17
Chess Power House 2023 (D)
2023/08/19
2023/08/19
Johannesburg Metro (GJM)
Standard
90
0.94
5
5
3.0
1294.8
1328.4
Analysis
16
JMC Closed Aug 2023 (U8)
2023/08/04
2023/08/06
Johannesburg Metro (GJM)
Standard
90
0.94
6
6
3.0
1294.8
1328.4
Analysis
15
JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
2023/07/30
2023/07/30
Johannesburg Metro (GJM)
Blitz
8
0.25
7
6
0.0
1353.0
1125.6
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
58
36
1
21
36.5
62.9
109.9
1246.3
1356.2
White
31
20
1
10
20.5
66.1
137.1
1235.5
1372.6
Black
27
16
0
11
16.0
59.3
78.7
1258.7
1337.4
Standard
All
48
30
1
17
30.5
63.5
115.1
1251.9
1367.0
White
25
16
1
8
16.5
66.0
136.0
1239.8
1375.8
Black
23
14
0
9
14.0
60.9
92.4
1265.0
1357.4
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
178
90
6
82
93.0
52.2
19.1
1222.5
1241.6
White
94
50
4
40
52.0
55.3
45.2
1212.3
1257.5
Black
84
40
2
42
41.0
48.8
-10.1
1233.9
1223.8
Standard
All
151
80
6
65
83.0
55.0
42.2
1225.2
1267.4
White
79
44
4
31
46.0
58.2
69.9
1214.2
1284.1
Black
72
36
2
34
37.0
51.4
11.8
1237.2
1249.0
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)
7
0.5
0
1
6
7.1
1297.7
-364.3
933.4
View list
2
1180147825
Conradie, D (David)
4
3.0
3
0
1
75.0
1301.2
212.5
1513.7
View list
3
2170151830
Malemane, A (Atlehang Faith)
4
2.5
2
1
1
62.5
1297.8
106.3
1404.0
View list
4
1160143816
Pelser, A (Aidan)
4
1.5
1
1
2
37.5
1275.2
-106.3
1168.9
View list
5
1170145156
Botha, E (Erasmus Albertus)
3
3.0
3
0
0
100.0
1176.8
425.0
1601.8
View list
6
1170157327
Bekker, J (Jacobus)
3
3.0
3
0
0
100.0
1309.8
425.0
1734.8
View list
7
2170191352
Kgwale, K (Keratilwe)
3
2.0
2
0
1
66.7
1271.9
141.7
1413.6
View list
8
1170134515
Deysel, Z (Zachariah)
3
1.0
1
0
2
33.3
1286.5
-141.7
1144.8
View list
9
1160151828
Du Pisani, M (Malcom)
3
1.0
1
0
2
33.3
1343.3
-141.7
1201.7
View list
10
1160156767
De Jager, L (Luado)
2
2.0
2
0
0
100.0
1296.3
425.0
1721.3
View list
11
1170143024
Ebersohn, C (Christiaan)
2
2.0
2
0
0
100.0
1277.4
425.0
1702.4
View list
12
1160155757
Hlabangwane, N (Ntwanano)
2
2.0
2
0
0
100.0
1323.9
425.0
1748.9
View list
13
2170191603
Joubert, Z (Zani)
2
2.0
2
0
0
100.0
1335.6
425.0
1760.6
View list
14
1170154203
Kwint, S (Samuel)
2
2.0
2
0
0
100.0
1285.1
425.0
1710.1
View list
15
2160146473
Pilane, O (Ogone)
2
2.0
2
0
0
100.0
1109.5
425.0
1534.5
View list
16
1170162033
Sahoo, S (Shaurya)
2
2.0
2
0
0
100.0
1316.1
425.0
1741.1
View list
17
1170149169
Barkhuizen, R (Reuben)
2
1.5
1
1
0
75.0
1163.4
212.5
1375.9
View list
18
2160143809
Gerber, Z (Zoe)
2
1.0
1
0
1
50.0
1226.3
0.0
1226.3
View list
19
1170144069
Kruger, T (Thinus Pieter)
2
1.0
1
0
1
50.0
1168.3
0.0
1168.3
View list
20
1160134896
Loots, A (Albert)
2
1.0
1
0
1
50.0
1281.5
0.0
1281.5
View list