Chess South Africa
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Chess South Africa
Van Der Westhuizen, L (Lihan)
Dob:
2013/02/15 (U12)
Gender:
Male
Chess SA id:
1130140475
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/10/04 (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
1657.8
Current Weighted rating
1561.3
Current Weighted performance
1608.8
Current official/published rating (highest between Raw, WR and WP)
1657.8
Current highest rating achieved
1661.7
Current floor (min rating allowed)
1161.7
Current K-factor
28
Games played this month
5
Score (S)
3.5
Expected score (We)
4.60
Difference (S-We)
-0.91
Current Raw change (no limits, including tournament time weight)
-25.6
Current min/max change allowed (with limits)
±86.4
Current Raw change used (final)
-25.6
Projected new Raw rating
1632.2
Projected new Weighed rating
1439.1
Projected new Weighted performance
1580.7
Projected new final Raw rating (if new WP > new Raw)
1632.2
Projected new highest rating
1661.7
Projected new floor
1161.7
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1632.2
Projected effective change (new Official - current Official)
-25.6
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
1675.4
Current Weighted rating
1583.0
Current Weighted performance
1645.6
Current official/published rating (highest between Raw, WR and WP)
1675.4
Current highest rating achieved
1681.5
Current floor (min rating allowed)
1181.5
Current K-factor
28
Games played this month
5
Score (S)
3.5
Expected score (We)
4.62
Difference (S-We)
-1.12
Current Raw change (no limits, including tournament time weight)
-31.4
Current min/max change allowed (with limits)
±84.2
Current Raw change used (final)
-31.4
Projected new Raw rating
1644.0
Projected new Weighed rating
1459.4
Projected new Weighted performance
1592.5
Projected new final Raw rating (if new WP > new Raw)
1644.0
Projected new highest rating
1681.5
Projected new floor
1181.5
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1644.0
Projected effective change (new Official - current Official)
-31.4
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
1269.8
Current Weighted rating
1234.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1269.8
Current highest rating achieved
1269.8
Current floor (min rating allowed)
769.8
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)
±150.1
Current Raw change used (final)
0.0
Projected new Raw rating
1269.8
Projected new Weighed rating
1136.6
Projected new Weighted performance
512.8
Projected new final Raw rating (if new WP > new Raw)
1269.8
Projected new highest rating
1269.8
Projected new floor
769.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1269.8
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
1265.0
Current Weighted rating
1230.2
Current Weighted performance
1283.5
Current official/published rating (highest between Raw, WR and WP)
1283.5
Current highest rating achieved
1265.0
Current floor (min rating allowed)
765.0
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)
±151.1
Current Raw change used (final)
0.0
Projected new Raw rating
1265.0
Projected new Weighed rating
1134.0
Projected new Weighted performance
1283.5
Projected new final Raw rating (if new WP > new Raw)
1283.5
Projected new highest rating
1283.5
Projected new floor
783.5
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1283.5
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Tournament:
Gauteng Top Schools 2024 (U13 Open)
Start:
2024/10/04
End:
2024/10/04
Host:
GE
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
3.5
Main rating:
1657.8
Rating gain/loss:
-25.6
Type rating:
1675.4
Rating gain/loss:
-31.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
12
Gauteng Top Schools 2024 (U13 Open)
2024/10/04
2024/10/04
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.5
1657.8
1675.4
Analysis
11
2024 Curro Hazeldean High Open Chess Tournament (U12)
2024/09/07
2024/09/07
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1621.2
1637.0
Analysis
10
2024 Etienne Lewis (U12)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
6.0
1621.2
1637.0
Analysis
9
D1 Gauteng North District School Closed 2024 (U13)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1614.9
1631.7
Analysis
8
2024 Tshwane Chess FIDE RATED Blitz League Championship 1
2024/05/26
2024/05/26
Tshwane (GTP)
Blitz
5
0.18
9
9
4.5
1623.3
1228.3
Analysis
7
South African Junior Closed Chess Championship 2024 (U12 Open)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
5.0
1661.7
1681.5
Analysis
6
2024 West Rand RHS Open (U12)
2024/04/13
2024/04/13
West Rand (GWR)
Standard
60
0.83
5
5
5.0
1549.1
1560.0
Analysis
5
Bojanala's Rating Express 2024 (Knights)
2024/04/06
2024/04/06
Bojanala Platina (NBR)
Standard
60
0.83
5
5
5.0
1549.1
1560.0
Analysis
4
CPH St Andrew's Rapid 2024 (B)
2024/03/30
2024/03/30
Ekurhuleni (GE)
Rapid
20
0.47
5
5
4.0
1525.9
1200.0
Analysis
3
Schoemies' Kings & Queens 2024 (Queens)
2024/03/02
2024/03/02
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.0
1525.9
1550.5
Analysis
2
2024 Tshwane Chess OPEN Registration Tournament (B)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1469.7
1520.3
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U12A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
5.0
1469.7
1520.3
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
44
Gauteng Top Schools 2024 (U13 Open)
2024/10/04
2024/10/04
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.5
1657.8
1675.4
Analysis
43
2024 Curro Hazeldean High Open Chess Tournament (U12)
2024/09/07
2024/09/07
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1621.2
1637.0
Analysis
42
2024 Etienne Lewis (U12)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
6.0
1621.2
1637.0
Analysis
41
D1 Gauteng North District School Closed 2024 (U13)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1614.9
1631.7
Analysis
40
2024 Tshwane Chess FIDE RATED Blitz League Championship 1
2024/05/26
2024/05/26
Tshwane (GTP)
Blitz
5
0.18
9
9
4.5
1623.3
1228.3
Analysis
39
South African Junior Closed Chess Championship 2024 (U12 Open)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
5.0
1661.7
1681.5
Analysis
38
2024 West Rand RHS Open (U12)
2024/04/13
2024/04/13
West Rand (GWR)
Standard
60
0.83
5
5
5.0
1549.1
1560.0
Analysis
37
Bojanala's Rating Express 2024 (Knights)
2024/04/06
2024/04/06
Bojanala Platina (NBR)
Standard
60
0.83
5
5
5.0
1549.1
1560.0
Analysis
36
CPH St Andrew's Rapid 2024 (B)
2024/03/30
2024/03/30
Ekurhuleni (GE)
Rapid
20
0.47
5
5
4.0
1525.9
1200.0
Analysis
35
Schoemies' Kings & Queens 2024 (Queens)
2024/03/02
2024/03/02
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.0
1525.9
1550.5
Analysis
34
2024 Tshwane Chess OPEN Registration Tournament (B)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1469.7
1520.3
Analysis
33
2024 Gauteng Inter-Region Chess Championship (U12A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
5.0
1469.7
1520.3
Analysis
32
Tshwane Chess Arbiter Norm Blitz Tournament 2023
2023/10/29
2023/10/29
Tshwane (GTP)
Blitz
5
0.18
11
11
6.0
1513.4
1246.0
Analysis
31
Lardies Open Tournament 2023 (B)
2023/10/28
2023/10/28
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1513.4
1544.4
Analysis
30
2023 Gauteng Noord (B)
2023/10/14
2023/10/15
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1513.4
1544.4
Analysis
29
2023 Tuks Open Chess Tournament (B)
2023/10/07
2023/10/07
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1513.4
1544.4
Analysis
28
2023 Alekhine Open Tournament (B)
2023/09/09
2023/09/10
Tshwane (GTP)
Standard
90
0.94
5
4
1.5
1551.6
1587.5
Analysis
27
2023 Etienne Lewis Closed Tournament (U12)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
7
5.5
1542.5
1586.9
Analysis
26
2023 Tshwane Chess FIDE Rated Blitz League 4
2023/08/13
2023/08/13
Tshwane (GTP)
Blitz
5
0.18
9
9
4.5
1542.5
1215.6
Analysis
25
2023 Menlo Open Tournament (B)
2023/07/22
2023/07/22
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1564.7
1614.1
Analysis
1
2
3
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
70
49
3
18
50.5
72.1
188.2
1438.8
1627.0
White
34
22
2
10
23.0
67.6
150.0
1436.4
1586.4
Black
36
27
1
8
27.5
76.4
224.3
1441.1
1665.4
Standard
All
56
41
2
13
42.0
75.0
212.5
1438.0
1650.5
White
27
19
1
7
19.5
72.2
188.9
1436.6
1625.5
Black
29
22
1
6
22.5
77.6
234.5
1439.2
1673.7
Rapid
All
5
4
0
1
4.0
80.0
255.0
1395.9
1650.9
White
2
1
0
1
1.0
50.0
0.0
1409.5
1409.5
Black
3
3
0
0
3.0
100.0
425.0
1386.9
1811.9
Blitz
All
9
4
1
4
4.5
50.0
0.0
1467.8
1467.8
White
5
2
1
2
2.5
50.0
0.0
1445.7
1445.7
Black
4
2
0
2
2.0
50.0
0.0
1495.4
1495.4
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
257
159
11
87
164.5
64.0
119.1
1367.9
1487.0
White
127
84
4
39
86.0
67.7
150.6
1343.6
1494.2
Black
130
75
7
48
78.5
60.4
88.3
1391.7
1479.9
Standard
All
193
127
9
57
131.5
68.1
154.1
1354.9
1509.0
White
96
66
3
27
67.5
70.3
172.7
1337.2
1509.8
Black
97
61
6
30
64.0
66.0
135.8
1372.4
1508.2
Rapid
All
5
4
0
1
4.0
80.0
255.0
1395.9
1650.9
White
2
1
0
1
1.0
50.0
0.0
1409.5
1409.5
Black
3
3
0
0
3.0
100.0
425.0
1386.9
1811.9
Blitz
All
59
28
2
29
29.0
49.2
-7.2
1408.1
1400.9
White
29
17
1
11
17.5
60.3
87.9
1360.2
1448.1
Black
30
11
1
18
11.5
38.3
-99.2
1454.5
1355.3
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1130140635
Ribbens, R (Reuben)
6
3.0
2
2
2
50.0
1444.3
0.0
1444.3
View list
2
1980136630
Chauke, N (Nicholus)
4
1.0
1
0
3
25.0
1421.2
-212.5
1208.7
View list
3
1140135082
Janse Van Rensburg, J (Josh)
3
3.0
3
0
0
100.0
1358.1
425.0
1783.1
View list
4
1120119689
Rust, C (Christoph)
3
2.0
2
0
1
66.7
1544.8
141.7
1686.4
View list
5
1130117291
Weng, D (Daniel)
3
1.0
1
0
2
33.3
1297.5
-141.7
1155.8
View list
6
1000134206
Makatwane, L (Lethabo)
3
1.0
0
2
1
33.3
1526.1
-141.7
1384.5
View list
7
177086357
Jacobs, GJ (Gerhard)
3
0.0
0
0
3
0.0
1546.5
-425.0
1121.5
View list
8
1140134429
Botha, G (Gregory)
2
2.0
2
0
0
100.0
1200.0
425.0
1625.0
View list
9
1140137652
Aikman, D (Desmond Gustav)
2
2.0
2
0
0
100.0
1318.6
425.0
1743.6
View list
10
2120108352
De Swardt, M (Mieke)
2
2.0
2
0
0
100.0
1578.7
425.0
2003.7
View list
11
1130143045
Ebersohn, G (Gerhard)
2
2.0
2
0
0
100.0
1562.1
425.0
1987.1
View list
12
1130143688
Gupta, A (Akul)
2
2.0
2
0
0
100.0
1593.8
425.0
2018.8
View list
13
1120136689
Kalimashe, T (Tshireletso)
2
2.0
2
0
0
100.0
1565.7
425.0
1990.7
View list
14
2130154142
Mabasa, D (Dzunani)
2
2.0
2
0
0
100.0
1621.2
425.0
2046.2
View list
15
1120155263
Malobola, S (Surprise)
2
2.0
2
0
0
100.0
1558.9
425.0
1983.9
View list
16
1130131224
Minny, O (Oban)
2
2.0
2
0
0
100.0
1556.8
425.0
1981.8
View list
17
1130136640
Mkotong, R (Reagile)
2
2.0
2
0
0
100.0
1562.1
425.0
1987.1
View list
18
1130138297
Scheepers, T (Tristian)
2
2.0
2
0
0
100.0
1264.0
425.0
1689.0
View list
19
1130130105
Slabbert, M (Marko)
2
2.0
2
0
0
100.0
1472.1
425.0
1897.1
View list
20
206084814
Stander, L (Lizanne)
2
2.0
2
0
0
100.0
1553.6
425.0
1978.6
View list