Chess South Africa
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Chess South Africa
Liang, YX (Yi-Xuan (Bowie))
Dob:
2011/01/11 (U14)
Gender:
Male
Chess SA id:
111077190
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/09/07 (13 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
1604.3
Current Weighted rating
1492.8
Current Weighted performance
1603.1
Current official/published rating (highest between Raw, WR and WP)
1604.3
Current highest rating achieved
1604.3
Current floor (min rating allowed)
1104.3
Current K-factor
28
Games played this month
17
Score (S)
13.5
Expected score (We)
10.21
Difference (S-We)
3.02
Current Raw change (no limits, including tournament time weight)
84.6
Current min/max change allowed (with limits)
±93.2
Current Raw change used (final)
84.6
Projected new Raw rating
1688.9
Projected new Weighed rating
1374.7
Projected new Weighted performance
1725.4
Projected new final Raw rating (if new WP > new Raw)
1725.4
Projected new highest rating
1725.4
Projected new floor
1225.4
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1725.4
Projected effective change (new Official - current Official)
+121.1
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
1626.7
Current Weighted rating
1495.6
Current Weighted performance
1617.6
Current official/published rating (highest between Raw, WR and WP)
1626.7
Current highest rating achieved
1626.7
Current floor (min rating allowed)
1126.7
Current K-factor
28
Games played this month
17
Score (S)
13.5
Expected score (We)
10.58
Difference (S-We)
2.92
Current Raw change (no limits, including tournament time weight)
81.8
Current min/max change allowed (with limits)
±90.3
Current Raw change used (final)
81.8
Projected new Raw rating
1708.5
Projected new Weighed rating
1377.6
Projected new Weighted performance
1725.4
Projected new final Raw rating (if new WP > new Raw)
1725.4
Projected new highest rating
1725.4
Projected new floor
1225.4
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1725.4
Projected effective change (new Official - current Official)
+98.7
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
959.4
Current Weighted rating
959.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
959.4
Current highest rating achieved
959.4
Current floor (min rating allowed)
500.0
Current K-factor
40
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)
±233.6
Current Raw change used (final)
0.0
Projected new Raw rating
959.4
Projected new Weighed rating
882.6
Projected new Weighted performance
332.4
Projected new final Raw rating (if new WP > new Raw)
959.4
Projected new highest rating
959.4
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
959.4
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
1070.6
Current Weighted rating
934.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1070.6
Current highest rating achieved
1070.6
Current floor (min rating allowed)
570.6
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)
±199.4
Current Raw change used (final)
0.0
Projected new Raw rating
1070.6
Projected new Weighed rating
862.2
Projected new Weighted performance
740.0
Projected new final Raw rating (if new WP > new Raw)
1070.6
Projected new highest rating
1070.6
Projected new floor
570.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1070.6
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Tournament:
2024 Curro Hazeldean High Open Chess Tournament (A)
Start:
2024/09/07
End:
2024/09/07
Host:
GTP
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
2.5
Main rating:
1604.3
Rating gain/loss:
2.3
Type rating:
1626.7
Rating gain/loss:
1.4
Analysis
Tournament:
2024 Etienne Lewis (U14)
Start:
2024/08/30
End:
2024/09/01
Host:
GTP
Type:
Standard
Time:
90
Time weight:
0.94
Rounds:
7
Games:
7
Score:
7.0
Main rating:
1604.3
Rating gain/loss:
69.5
Type rating:
1626.7
Rating gain/loss:
68.0
Analysis
Tournament:
Gauteng Schools Individuals Finals 2024 (U13 Boys)
Start:
2024/08/16
End:
2024/08/16
Host:
GE
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
4.0
Main rating:
1604.3
Rating gain/loss:
12.8
Type rating:
1626.7
Rating gain/loss:
12.3
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
17
2024 Curro Hazeldean High Open Chess Tournament (A)
2024/09/07
2024/09/07
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1604.3
1626.7
Analysis
16
2024 Etienne Lewis (U14)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
7.0
1604.3
1626.7
Analysis
15
Gauteng Schools Individuals Finals 2024 (U13 Boys)
2024/08/16
2024/08/16
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1604.3
1626.7
Analysis
14
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
1570.5
1614.7
Analysis
13
Menlopark Open Chess Tournament 2024 (A)
2024/07/13
2024/07/13
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1533.1
1543.3
Analysis
12
South African Open Chess Championship 2024 (B)
2024/06/29
2024/07/07
Ethekwini (KED)
Standard
120
1.00
11
11
7.5
1533.1
1543.3
Analysis
11
2024 Elise Steenkamp Open Chess Tournament (Kings)
2024/06/15
2024/06/17
Tshwane (GTP)
Standard
90
0.94
7
7
3.5
1522.0
1534.7
Analysis
10
2024 Tshwane Chess FIDE RATED Blitz League Championship 1
2024/05/26
2024/05/26
Tshwane (GTP)
Blitz
5
0.18
9
9
5.0
1522.0
895.8
Analysis
9
2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1489.6
1499.5
Analysis
8
2024 Mid Gauteng Open Chess Tournament (U14)
2024/05/02
2024/05/02
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1489.6
1499.5
Analysis
7
2024 Silver Lakes Open Chess Tournament (C)
2024/04/20
2024/04/20
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1425.6
1414.7
Analysis
6
2024 KSNG CHess Academy Open Tournament (C)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1425.6
1414.7
Analysis
5
2024 Constantiapark Open (B)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1448.2
1436.5
Analysis
4
2024 Piet Robbertse Open Chess Tournament (B)
2024/02/03
2024/02/04
Tshwane (GTP)
Standard
90
0.94
5
5
1.5
1448.2
1436.5
Analysis
3
Dainfern College Chess League 2024 (A)
2024/01/29
2024/03/11
Johannesburg Metro (GJM)
Standard
60
0.83
6
6
6.0
1425.6
1414.7
Analysis
2
2024 Tshwane Chess OPEN Registration Tournament (B)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1486.1
1479.7
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U14A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1486.1
1479.7
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
68
2024 Curro Hazeldean High Open Chess Tournament (A)
2024/09/07
2024/09/07
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1604.3
1626.7
Analysis
67
2024 Etienne Lewis (U14)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
7.0
1604.3
1626.7
Analysis
66
Gauteng Schools Individuals Finals 2024 (U13 Boys)
2024/08/16
2024/08/16
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1604.3
1626.7
Analysis
65
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
1570.5
1614.7
Analysis
64
Menlopark Open Chess Tournament 2024 (A)
2024/07/13
2024/07/13
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1533.1
1543.3
Analysis
63
South African Open Chess Championship 2024 (B)
2024/06/29
2024/07/07
Ethekwini (KED)
Standard
120
1.00
11
11
7.5
1533.1
1543.3
Analysis
62
2024 Elise Steenkamp Open Chess Tournament (Kings)
2024/06/15
2024/06/17
Tshwane (GTP)
Standard
90
0.94
7
7
3.5
1522.0
1534.7
Analysis
61
2024 Tshwane Chess FIDE RATED Blitz League Championship 1
2024/05/26
2024/05/26
Tshwane (GTP)
Blitz
5
0.18
9
9
5.0
1522.0
895.8
Analysis
60
2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1489.6
1499.5
Analysis
59
2024 Mid Gauteng Open Chess Tournament (U14)
2024/05/02
2024/05/02
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1489.6
1499.5
Analysis
58
2024 Silver Lakes Open Chess Tournament (C)
2024/04/20
2024/04/20
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1425.6
1414.7
Analysis
57
2024 KSNG CHess Academy Open Tournament (C)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1425.6
1414.7
Analysis
56
2024 Constantiapark Open (B)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1448.2
1436.5
Analysis
55
2024 Piet Robbertse Open Chess Tournament (B)
2024/02/03
2024/02/04
Tshwane (GTP)
Standard
90
0.94
5
5
1.5
1448.2
1436.5
Analysis
54
Dainfern College Chess League 2024 (A)
2024/01/29
2024/03/11
Johannesburg Metro (GJM)
Standard
60
0.83
6
6
6.0
1425.6
1414.7
Analysis
53
2024 Tshwane Chess OPEN Registration Tournament (B)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1486.1
1479.7
Analysis
52
2024 Gauteng Inter-Region Chess Championship (U14A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1486.1
1479.7
Analysis
51
2023 Alekhine Open Tournament (B)
2023/09/09
2023/09/10
Tshwane (GTP)
Standard
90
0.94
5
2
0.0
1506.1
1509.5
Analysis
50
2023 Etienne Lewis Closed Tournament (U14)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
5
3.0
1482.0
1478.1
Analysis
49
2023 Gauteng Top Schools (U13 Mixed)
2023/08/18
2023/08/18
West Rand (GWR)
Standard
60
0.83
5
5
5.0
1482.0
1478.1
Analysis
1
2
3
4
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
100
61
10
29
66.0
66.0
136.0
1427.5
1563.5
White
49
34
2
13
35.0
71.4
182.1
1436.7
1618.8
Black
51
27
8
16
31.0
60.8
91.7
1418.8
1510.4
Standard
All
91
56
10
25
61.0
67.0
144.8
1427.2
1571.9
White
44
30
2
12
31.0
70.5
173.9
1447.5
1621.4
Black
47
26
8
13
30.0
63.8
117.6
1408.1
1525.7
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
9
5
0
4
5.0
55.6
47.2
1431.2
1478.5
White
5
4
0
1
4.0
80.0
255.0
1341.4
1596.4
Black
4
1
0
3
1.0
25.0
-212.5
1543.5
1331.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
394
251
18
125
260.0
66.0
135.9
1233.9
1369.9
White
192
123
6
63
126.0
65.6
132.8
1241.8
1374.6
Black
202
128
12
62
134.0
66.3
138.9
1226.5
1365.4
Standard
All
371
237
17
117
245.5
66.2
137.5
1230.2
1367.6
White
180
115
6
59
118.0
65.6
132.2
1237.2
1369.4
Black
191
122
11
58
127.5
66.8
142.4
1223.5
1365.9
Rapid
All
7
6
0
1
6.0
85.7
303.6
1124.4
1428.0
White
3
2
0
1
2.0
66.7
141.7
1287.0
1428.6
Black
4
4
0
0
4.0
100.0
425.0
1002.5
1427.5
Blitz
All
16
8
1
7
8.5
53.1
26.6
1369.6
1396.2
White
9
6
0
3
6.0
66.7
141.7
1318.4
1460.1
Black
7
2
1
4
2.5
35.7
-121.4
1435.5
1314.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1110096784
Radia, S (Shyam)
8
4.0
4
0
4
50.0
1415.8
0.0
1415.8
View list
2
1110103928
Slabbert, ZN (Zander Nicolaas)
6
3.0
3
0
3
50.0
1460.6
0.0
1460.6
View list
3
1120096779
Yang, JD (Daniel)
5
5.0
5
0
0
100.0
1382.7
425.0
1807.7
View list
4
1110108346
Mcphail, M (Matthew)
4
4.0
4
0
0
100.0
1376.9
425.0
1801.9
View list
5
111093811
Meades, RA (Ruben Abraham)
4
4.0
4
0
0
100.0
1196.9
425.0
1621.9
View list
6
1110105109
Klopper, PA (Phillippus Arnoldus)
3
3.0
3
0
0
100.0
1374.9
425.0
1799.9
View list
7
1110139982
Kock, L (Luca)
3
3.0
3
0
0
100.0
1525.3
425.0
1950.3
View list
8
1110096350
Schwim, X (Xander)
3
3.0
3
0
0
100.0
1341.0
425.0
1766.0
View list
9
111095070
Tennant, N (Nathan)
3
3.0
3
0
0
100.0
1427.5
425.0
1852.5
View list
10
1110157434
Dharampall, V (Viraak)
3
1.0
1
0
2
33.3
1566.1
-141.7
1424.4
View list
11
111092705
Moonsammy, E (Ethan)
3
1.0
1
0
2
33.3
1341.0
-141.7
1199.3
View list
12
211085191
Naidoo, K (Kajol)
3
1.0
1
0
2
33.3
1424.8
-141.7
1283.1
View list
13
1110097686
Froom, G (Gabriel)
3
0.5
0
1
2
16.7
1428.6
-283.3
1145.3
View list
14
109069449
Boheim, E (Eugene)
3
0.0
0
0
3
0.0
994.2
-425.0
569.2
View list
15
1120135549
Segal, J (Jamie)
3
0.0
0
0
3
0.0
1436.4
-425.0
1011.4
View list
16
111083777
Bezuidenhout, E (Ethan)
2
2.0
2
0
0
100.0
1053.6
425.0
1478.6
View list
17
1130136148
Conradie, D (Dirk)
2
2.0
2
0
0
100.0
1404.9
425.0
1829.9
View list
18
1110097687
Froom, D (David)
2
2.0
2
0
0
100.0
1430.5
425.0
1855.5
View list
19
1110097689
Froom, J (Jacob)
2
2.0
2
0
0
100.0
1433.2
425.0
1858.2
View list
20
210076436
Greyling, L (Lene)
2
2.0
2
0
0
100.0
1404.8
425.0
1829.8
View list