Chess South Africa
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Chess South Africa
Labuschagne, I (Ivan)
Dob:
2009/01/06 (U16)
Gender:
Male
Chess SA id:
109092824
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2024/08/03 (62 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
1516.6
Current Weighted rating
1485.1
Current Weighted performance
1498.3
Current official/published rating (highest between Raw, WR and WP)
1516.6
Current highest rating achieved
1591.1
Current floor (min rating allowed)
1091.1
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)
±105.6
Current Raw change used (final)
0.0
Projected new Raw rating
1516.6
Projected new Weighed rating
1365.7
Projected new Weighted performance
1498.3
Projected new final Raw rating (if new WP > new Raw)
1516.6
Projected new highest rating
1591.1
Projected new floor
1091.1
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1516.6
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
1487.8
Current Weighted rating
1469.1
Current Weighted performance
1477.3
Current official/published rating (highest between Raw, WR and WP)
1487.8
Current highest rating achieved
1599.5
Current floor (min rating allowed)
1099.5
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)
±110.0
Current Raw change used (final)
0.0
Projected new Raw rating
1487.8
Projected new Weighed rating
1350.3
Projected new Weighted performance
1477.3
Projected new final Raw rating (if new WP > new Raw)
1487.8
Projected new highest rating
1599.5
Projected new floor
1099.5
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1487.8
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
1396.1
Current Weighted rating
1319.5
Current Weighted performance
1410.3
Current official/published rating (highest between Raw, WR and WP)
1410.3
Current highest rating achieved
1396.1
Current floor (min rating allowed)
896.1
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)
±125.4
Current Raw change used (final)
0.0
Projected new Raw rating
1396.1
Projected new Weighed rating
1216.2
Projected new Weighted performance
1410.3
Projected new final Raw rating (if new WP > new Raw)
1410.3
Projected new highest rating
1410.3
Projected new floor
910.3
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1410.3
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
1157.2
Current Weighted rating
1157.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1157.2
Current highest rating achieved
1157.2
Current floor (min rating allowed)
657.2
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)
±176.2
Current Raw change used (final)
0.0
Projected new Raw rating
1157.2
Projected new Weighed rating
1064.6
Projected new Weighted performance
116.2
Projected new final Raw rating (if new WP > new Raw)
1157.2
Projected new highest rating
1157.2
Projected new floor
657.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1157.2
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
9
Ekurhuleni North Schools Finals - Teams 2024 (U17 Open)
2024/08/03
2024/08/03
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.5
1495.9
1458.0
Analysis
8
Kempton Park Cluster Teams 2024 (U18)
2024/07/13
2024/07/13
Ekurhuleni (GE)
Rapid
30
0.60
5
4
4.0
1505.2
1348.6
Analysis
7
EN Chess Club Winter Open 2024 (A)
2024/06/29
2024/06/29
Ekurhuleni (GE)
Standard
60
0.83
5
5
1.0
1505.2
1480.1
Analysis
6
Ekurhuleni Trails 1 2024 (U16)
2024/06/01
2024/06/01
Ekurhuleni (GE)
Standard
62
0.84
5
5
3.5
1480.4
1464.4
Analysis
5
Ekurhuleni North High School Individuals 2024 (U15 Boys)
2024/05/18
2024/05/18
Ekurhuleni (GE)
Standard
60
0.83
5
4
4.0
1473.0
1453.3
Analysis
4
South African Junior Closed Chess Championship 2024 (U16 Open)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
8
1.0
1473.0
1453.3
Analysis
3
Ekurhuleni Open 2024 (A)
2024/04/06
2024/04/06
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1471.9
1447.9
Analysis
2
Kempton Park Cluster Individuals 2024 (U15 Boys)
2024/03/02
2024/03/02
Ekurhuleni (GE)
Rapid
30
0.60
6
5
5.0
1451.7
1276.2
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U16A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
1.0
1490.5
1487.3
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
72
Ekurhuleni North Schools Finals - Teams 2024 (U17 Open)
2024/08/03
2024/08/03
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.5
1495.9
1458.0
Analysis
71
Kempton Park Cluster Teams 2024 (U18)
2024/07/13
2024/07/13
Ekurhuleni (GE)
Rapid
30
0.60
5
4
4.0
1505.2
1348.6
Analysis
70
EN Chess Club Winter Open 2024 (A)
2024/06/29
2024/06/29
Ekurhuleni (GE)
Standard
60
0.83
5
5
1.0
1505.2
1480.1
Analysis
69
Ekurhuleni Trails 1 2024 (U16)
2024/06/01
2024/06/01
Ekurhuleni (GE)
Standard
62
0.84
5
5
3.5
1480.4
1464.4
Analysis
68
Ekurhuleni North High School Individuals 2024 (U15 Boys)
2024/05/18
2024/05/18
Ekurhuleni (GE)
Standard
60
0.83
5
4
4.0
1473.0
1453.3
Analysis
67
South African Junior Closed Chess Championship 2024 (U16 Open)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
8
1.0
1473.0
1453.3
Analysis
66
Ekurhuleni Open 2024 (A)
2024/04/06
2024/04/06
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1471.9
1447.9
Analysis
65
Kempton Park Cluster Individuals 2024 (U15 Boys)
2024/03/02
2024/03/02
Ekurhuleni (GE)
Rapid
30
0.60
6
5
5.0
1451.7
1276.2
Analysis
64
2024 Gauteng Inter-Region Chess Championship (U16A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
1.0
1490.5
1487.3
Analysis
63
2023 Gauteng Top Schools (U15 Mixed)
2023/08/19
2023/08/19
West Rand (GWR)
Standard
60
0.83
5
5
5.0
1440.6
1415.8
Analysis
62
ANIME @ Play Chess 2023 (A)
2023/08/12
2023/08/12
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1440.6
1415.8
Analysis
61
Gauteng Schools Individual Finals 2023 (U15 Boys)
2023/05/27
2023/05/27
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.5
1421.4
1419.3
Analysis
60
Gauteng Open Arnold Classic 2023 (Open)
2023/05/20
2023/05/21
Tshwane (GTP)
Standard
90
0.94
5
3
0.0
1421.4
1419.3
Analysis
59
Gauteng Open Arnold Classic 2023 (U16)
2023/05/19
2023/05/19
Tshwane (GTP)
Rapid
30
0.60
5
5
4.0
1421.4
1232.6
Analysis
58
Ekurhuleni North Schools Individual Finals 2023 (U15 Boys)
2023/05/13
2023/05/13
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1421.4
1419.3
Analysis
57
Ekurhuleni Trials 2 2023 (U16)
2023/04/22
2023/04/22
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1510.1
1511.8
Analysis
56
Alberton Chess Club Tournament 1 2023 (A)
2023/04/15
2023/04/15
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1510.1
1511.8
Analysis
55
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
2.0
1510.1
1511.8
Analysis
54
Ekhuruleni Chess Trials 1 2023 (U16)
2023/03/25
2023/03/25
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1580.7
1599.5
Analysis
53
2022 South African Junior Team Chess Championships (U14 Open)
2022/12/04
2022/12/08
4 Knights (4K)
Standard
120
1.00
7
7
5.5
1545.2
1576.1
Analysis
1
2
3
4
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
46
24
4
18
26.0
56.5
55.4
1433.6
1489.0
White
22
12
1
9
12.5
56.8
58.0
1398.9
1456.9
Black
24
12
3
9
13.5
56.3
53.1
1465.4
1518.5
Standard
All
37
15
4
18
17.0
45.9
-34.5
1489.1
1454.6
White
17
7
1
9
7.5
44.1
-50.0
1459.8
1409.8
Black
20
8
3
9
9.5
47.5
-21.3
1514.0
1492.8
Rapid
All
9
9
0
0
9.0
100.0
425.0
1205.4
1630.4
White
5
5
0
0
5.0
100.0
425.0
1191.9
1616.9
Black
4
4
0
0
4.0
100.0
425.0
1222.3
1647.3
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
379
222
23
134
233.5
61.6
98.7
1275.8
1374.5
White
187
119
10
58
124.0
66.3
138.6
1261.3
1399.9
Black
192
103
13
76
109.5
57.0
59.8
1289.9
1349.7
Standard
All
348
198
23
127
209.5
60.2
86.7
1277.2
1363.9
White
171
107
10
54
112.0
65.5
131.7
1261.6
1393.4
Black
177
91
13
73
97.5
55.1
43.2
1292.3
1335.5
Rapid
All
24
20
0
4
20.0
83.3
283.3
1275.6
1559.0
White
12
9
0
3
9.0
75.0
212.5
1299.8
1512.3
Black
12
11
0
1
11.0
91.7
354.2
1251.5
1605.6
Blitz
All
7
4
0
3
4.0
57.1
60.7
1204.8
1265.6
White
4
3
0
1
3.0
75.0
212.5
1131.0
1343.5
Black
3
1
0
2
1.0
33.3
-141.7
1303.3
1161.7
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
109089375
Viljoen, H (Henning)
7
4.5
4
1
2
64.3
1363.6
121.4
1485.0
View list
2
109084256
Hattingh, T (Tiaan)
6
6.0
6
0
0
100.0
1425.4
425.0
1850.4
View list
3
1090135387
Del Grosso, G (Gianluca Gabriele)
6
4.0
3
2
1
66.7
1469.5
141.7
1611.2
View list
4
1090101493
Van Heerden, L (Llewellyn)
5
5.0
5
0
0
100.0
1311.6
425.0
1736.6
View list
5
109081022
Cass, M (Matthew)
5
3.0
3
0
2
60.0
1207.6
85.0
1292.6
View list
6
109083783
Kushar, T (Tristan)
5
1.5
0
3
2
30.0
1302.2
-170.0
1132.2
View list
7
1100098192
Nash, O (Owen)
4
4.0
4
0
0
100.0
1140.5
425.0
1565.5
View list
8
2090135221
Monteiro Correia, M (Maya)
4
3.5
3
1
0
87.5
1502.6
318.8
1821.4
View list
9
109076140
Jones, E (Edward)
4
0.0
0
0
4
0.0
1369.1
-425.0
944.1
View list
10
109059744
Voigt, D (Daniel)
4
0.0
0
0
4
0.0
1202.4
-425.0
777.4
View list
11
209083780
Grootboom, C (Chante)
3
3.0
3
0
0
100.0
1396.8
425.0
1821.8
View list
12
108095757
Visagie, M (Mondre)
3
3.0
3
0
0
100.0
1288.8
425.0
1713.8
View list
13
1090118184
Pieterse, EG (Erik Georg)
3
2.5
2
1
0
83.3
1464.8
283.3
1748.1
View list
14
108072345
De Swardt, C (Chrizander)
3
2.0
2
0
1
66.7
1368.5
141.7
1510.2
View list
15
1090103920
Reyneke, L (Luke)
3
2.0
2
0
1
66.7
1209.9
141.7
1351.5
View list
16
1110097360
Pillay, Z (Zac)
3
1.5
1
1
1
50.0
1223.2
0.0
1223.2
View list
17
210088032
De Vasconcelos, T (Tiaana)
3
1.0
1
0
2
33.3
1160.6
-141.7
1018.9
View list
18
1090119738
Shen Yu, F (Frank)
3
1.0
1
0
2
33.3
1443.1
-141.7
1301.4
View list
19
209092675
Ramlall, S (Sanjana)
3
0.0
0
0
3
0.0
1227.9
-425.0
802.9
View list
20
109069454
Sathish, A (Abinavah)
3
0.0
0
0
3
0.0
1460.4
-425.0
1035.4
View list