Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Yang, A (Alex)
Dob:
2009/10/16 (U16)
Gender:
Male
Chess SA id:
109086362
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/09/28 (11 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
1792.9
Current Weighted rating
1632.3
Current Weighted performance
1787.9
Current official/published rating (highest between Raw, WR and WP)
1792.9
Current highest rating achieved
1792.9
Current floor (min rating allowed)
1292.9
Current K-factor
28
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)
±71.2
Current Raw change used (final)
0.0
Projected new Raw rating
1792.9
Projected new Weighed rating
1502.3
Projected new Weighted performance
1787.9
Projected new final Raw rating (if new WP > new Raw)
1792.9
Projected new highest rating
1792.9
Projected new floor
1292.9
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1792.9
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
1788.4
Current Weighted rating
1632.1
Current Weighted performance
1787.9
Current official/published rating (highest between Raw, WR and WP)
1788.4
Current highest rating achieved
1788.4
Current floor (min rating allowed)
1288.4
Current K-factor
28
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)
±71.7
Current Raw change used (final)
0.0
Projected new Raw rating
1788.4
Projected new Weighed rating
1502.2
Projected new Weighted performance
1787.9
Projected new final Raw rating (if new WP > new Raw)
1788.4
Projected new highest rating
1788.4
Projected new floor
1288.4
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1788.4
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
1410.0
Current Weighted rating
1388.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1410.0
Current highest rating achieved
1410.0
Current floor (min rating allowed)
910.0
Current K-factor
32
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)
±122.9
Current Raw change used (final)
0.0
Projected new Raw rating
1410.0
Projected new Weighed rating
1278.8
Projected new Weighted performance
653.3
Projected new final Raw rating (if new WP > new Raw)
1410.0
Projected new highest rating
1410.0
Projected new floor
910.0
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1410.0
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
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
11
2024 South Africa National Schools Chess Championship (U15 Boys)
2024/09/27
2024/09/28
Nelson Mandela Bay (ENM)
Standard
70
0.87
7
7
6.5
1663.5
1662.6
Analysis
10
2024 Etienne Lewis (U16)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
5.5
1663.5
1662.6
Analysis
9
Gauteng Schools Individuals Finals 2024 (U15 Boys)
2024/08/17
2024/08/17
Ekurhuleni (GE)
Standard
60
0.83
5
5
5.0
1663.5
1662.6
Analysis
8
2024 Alekhine Open Chess Tournament (A)
2024/08/09
2024/08/10
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1626.4
1631.4
Analysis
7
D4 Tshwane South District Schools Teams Chess Tournament 2024 (U15A)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1626.4
1631.4
Analysis
6
South African Open Chess Championship 2024 (C)
2024/07/04
2024/07/07
Ethekwini (KED)
Standard
90
0.94
7
7
5.0
1626.9
1633.1
Analysis
5
2024 Tshwane South School District CLOSED Individual Championships (U15 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1597.2
1598.7
Analysis
4
2024 Constantiapark Open (A)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1586.6
1579.7
Analysis
3
Dainfern College Chess League 2024 (A)
2024/01/29
2024/03/11
Johannesburg Metro (GJM)
Standard
60
0.83
6
3
3.0
1591.2
1590.9
Analysis
2
2024 Tshwane Chess OPEN Registration Tournament (A)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1617.6
1617.5
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U16A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1617.6
1617.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
79
2024 South Africa National Schools Chess Championship (U15 Boys)
2024/09/27
2024/09/28
Nelson Mandela Bay (ENM)
Standard
70
0.87
7
7
6.5
1663.5
1662.6
Analysis
78
2024 Etienne Lewis (U16)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
5.5
1663.5
1662.6
Analysis
77
Gauteng Schools Individuals Finals 2024 (U15 Boys)
2024/08/17
2024/08/17
Ekurhuleni (GE)
Standard
60
0.83
5
5
5.0
1663.5
1662.6
Analysis
76
2024 Alekhine Open Chess Tournament (A)
2024/08/09
2024/08/10
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1626.4
1631.4
Analysis
75
D4 Tshwane South District Schools Teams Chess Tournament 2024 (U15A)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1626.4
1631.4
Analysis
74
South African Open Chess Championship 2024 (C)
2024/07/04
2024/07/07
Ethekwini (KED)
Standard
90
0.94
7
7
5.0
1626.9
1633.1
Analysis
73
2024 Tshwane South School District CLOSED Individual Championships (U15 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1597.2
1598.7
Analysis
72
2024 Constantiapark Open (A)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1586.6
1579.7
Analysis
71
Dainfern College Chess League 2024 (A)
2024/01/29
2024/03/11
Johannesburg Metro (GJM)
Standard
60
0.83
6
3
3.0
1591.2
1590.9
Analysis
70
2024 Tshwane Chess OPEN Registration Tournament (A)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1617.6
1617.5
Analysis
69
2024 Gauteng Inter-Region Chess Championship (U16A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1617.6
1617.5
Analysis
68
2023 Etienne Lewis Closed Tournament (U16)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
7
4.5
1625.9
1625.1
Analysis
67
2023 Gauteng Top Schools (U17 Mixed)
2023/08/19
2023/08/19
West Rand (GWR)
Standard
60
0.83
5
5
5.0
1625.9
1625.1
Analysis
66
2023 Tshwane South School District CLOSED League Championship (U17)
2023/07/29
2023/07/29
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1624.5
1624.0
Analysis
65
2023 Lubowski Open Tournament (A)
2023/06/24
2023/06/25
Tshwane (GTP)
Standard
90
0.94
5
5
1.5
1636.3
1629.9
Analysis
64
2023 Elize Steenkamp Open Tournament (A)
2023/06/16
2023/06/17
Tshwane (GTP)
Standard
90
0.94
6
5
3.0
1636.3
1629.9
Analysis
63
2023 Tshwane South School District CLOSED Individual Championships (U15 Open)
2023/04/22
2023/04/22
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1629.4
1626.3
Analysis
62
2023 South African Junior Closed Chess Championships (U14 Open)
2023/03/31
2023/04/04
Chess South Africa (CSA)
Standard
120
1.00
9
9
6.0
1629.4
1626.3
Analysis
61
Chris Greyling Open Tournament 2023 (A)
2023/03/21
2023/03/21
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1611.0
1601.9
Analysis
60
2023 Tshwane Chess Open Registration Tournament (B1)
2023/01/28
2023/01/28
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1627.7
1622.3
Analysis
1
2
3
4
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
58
41
6
11
44.0
75.9
219.8
1483.5
1703.4
White
28
21
4
3
23.0
82.1
273.2
1476.3
1749.5
Black
30
20
2
8
21.0
70.0
170.0
1490.2
1660.2
Standard
All
58
41
6
11
44.0
75.9
219.8
1483.5
1703.4
White
28
21
4
3
23.0
82.1
273.2
1476.3
1749.5
Black
30
20
2
8
21.0
70.0
170.0
1490.2
1660.2
Rapid
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
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
432
259
60
113
289.0
66.9
143.6
1289.3
1433.0
White
217
137
36
44
155.0
71.4
182.1
1292.9
1475.1
Black
215
122
24
69
134.0
62.3
104.8
1285.7
1390.4
Standard
All
416
249
58
109
278.0
66.8
143.0
1284.7
1427.7
White
209
132
35
42
149.5
71.5
183.0
1287.0
1470.0
Black
207
117
23
67
128.5
62.1
102.7
1282.4
1385.1
Rapid
All
16
10
2
4
11.0
68.8
159.4
1409.3
1568.7
White
8
5
1
2
5.5
68.8
159.4
1449.2
1608.5
Black
8
5
1
2
5.5
68.8
159.4
1369.5
1528.9
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
210083428
Rautenbach, H (Helen Christine)
7
5.5
5
1
1
78.6
1521.2
242.9
1764.0
View list
2
109069449
Boheim, E (Eugene)
6
3.5
3
1
2
58.3
1461.7
70.8
1532.5
View list
3
1090103920
Reyneke, L (Luke)
6
2.0
1
2
3
33.3
1276.0
-141.7
1134.3
View list
4
108082684
De Vries, MA (Andrio)
6
1.0
0
2
4
16.7
1489.7
-283.3
1206.4
View list
5
109069454
Sathish, A (Abinavah)
6
0.5
0
1
5
8.3
1494.2
-354.2
1140.0
View list
6
109086379
Jacobs, CN (Calvin Nicholas)
5
1.5
0
3
2
30.0
1413.8
-170.0
1243.8
View list
7
1090109066
Jooste, J (Josh)
4
3.5
3
1
0
87.5
1474.0
318.8
1792.7
View list
8
109076140
Jones, E (Edward)
4
3.0
3
0
1
75.0
1487.4
212.5
1699.9
View list
9
109089434
Van Loggerenberg, L (Logan)
4
3.0
2
2
0
75.0
1596.6
212.5
1809.1
View list
10
107086377
Jacobs, TB (Tiaan Benjamin)
4
2.5
2
1
1
62.5
1519.4
106.3
1625.6
View list
11
109095323
Grobler, DDI (Donovan Denzel Izak)
3
3.0
3
0
0
100.0
1527.9
425.0
1952.9
View list
12
1100097226
Marais, JS (Jacobus)
3
3.0
3
0
0
100.0
1234.8
425.0
1659.8
View list
13
108073208
Steyn, T (Tjaart)
3
2.5
2
1
0
83.3
1412.2
283.3
1695.5
View list
14
108064849
Ziegenhagen, V (Vian Luke)
3
2.5
2
1
0
83.3
1375.8
283.3
1659.1
View list
15
106044567
Buitendag, TS (Tristan)
3
2.0
1
2
0
66.7
1318.9
141.7
1460.6
View list
16
108052034
Du Toit, SJM (Stephanus (Matteo))
3
2.0
1
2
0
66.7
1484.8
141.7
1626.4
View list
17
108045082
Koning, L (Lehan)
3
1.0
0
2
1
33.3
1451.8
-141.7
1310.1
View list
18
104069233
Lodi, N (Neo)
3
0.0
0
0
3
0.0
1401.0
-425.0
976.0
View list
19
206001830
Bent, C (Cierra)
2
2.0
2
0
0
100.0
1231.7
425.0
1656.7
View list
20
1090098581
Bath, X (Xavier)
2
2.0
2
0
0
100.0
1559.8
425.0
1984.8
View list