Chess South Africa
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Chess South Africa
Barkhuizen, SJ (Simon Jurgens)
Dob:
2014/12/04 (U12)
Gender:
Male
Chess SA id:
1140134237
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/10/26 (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
1496.6
Current Weighted rating
1436.1
Current Weighted performance
1432.9
Current official/published rating (highest between Raw, WR and WP)
1496.6
Current highest rating achieved
1541.5
Current floor (min rating allowed)
1041.5
Current K-factor
32
Games played this month
5
Score (S)
4.0
Expected score (We)
3.65
Difference (S-We)
0.29
Current Raw change (no limits, including tournament time weight)
9.3
Current min/max change allowed (with limits)
±108.7
Current Raw change used (final)
9.3
Projected new Raw rating
1505.9
Projected new Weighed rating
1323.0
Projected new Weighted performance
1454.7
Projected new final Raw rating (if new WP > new Raw)
1505.9
Projected new highest rating
1541.5
Projected new floor
1041.5
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1505.9
Projected effective change (new Official - current Official)
+9.3
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
1486.5
Current Weighted rating
1426.1
Current Weighted performance
1432.9
Current official/published rating (highest between Raw, WR and WP)
1486.5
Current highest rating achieved
1537.5
Current floor (min rating allowed)
1037.5
Current K-factor
32
Games played this month
5
Score (S)
4.0
Expected score (We)
3.59
Difference (S-We)
0.41
Current Raw change (no limits, including tournament time weight)
13.1
Current min/max change allowed (with limits)
±110.2
Current Raw change used (final)
13.1
Projected new Raw rating
1499.6
Projected new Weighed rating
1313.9
Projected new Weighted performance
1454.7
Projected new final Raw rating (if new WP > new Raw)
1499.6
Projected new highest rating
1537.5
Projected new floor
1037.5
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1499.6
Projected effective change (new Official - current Official)
+13.1
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
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
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)
±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
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
Tournament:
Lardies Ope 2024 (U12)
Start:
2024/10/26
End:
2024/10/26
Host:
GTP
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
4.0
Main rating:
1496.6
Rating gain/loss:
9.3
Type rating:
1486.5
Rating gain/loss:
13.1
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
14
Lardies Ope 2024 (U12)
2024/10/26
2024/10/26
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1496.6
1486.5
Analysis
13
Gauteng Top Schools 2024 (U11 Open)
2024/10/04
2024/10/04
Ekurhuleni (GE)
Standard
60
0.83
5
5
1.5
1536.7
1534.5
Analysis
12
2024 Etienne Lewis (U12)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
4.5
1510.1
1509.8
Analysis
11
Gauteng Schools Individuals Finals 2024 (U11 Boys)
2024/08/16
2024/08/16
Ekurhuleni (GE)
Standard
60
0.83
5
5
5.0
1510.1
1509.8
Analysis
10
D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11A)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1514.7
1512.4
Analysis
9
Menlopark Open Chess Tournament 2024 (U12)
2024/07/13
2024/07/13
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1450.1
1444.6
Analysis
8
2024 Elise Steenkamp Open Chess Tournament (Kings)
2024/06/15
2024/06/17
Tshwane (GTP)
Standard
90
0.94
7
7
3.0
1443.5
1433.1
Analysis
7
2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1370.5
1347.3
Analysis
6
South African Junior Closed Chess Championship 2024 (U10 Open)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
5.0
1370.5
1347.3
Analysis
5
2024 Silver Lakes Open Chess Tournament (D1)
2024/04/21
2024/04/21
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1396.8
1377.1
Analysis
4
2024 Constantiapark Open (C)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1466.1
1461.3
Analysis
3
2024 Blou Bul Open Chess Tournament (C)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1466.1
1461.3
Analysis
2
2024 Tshwane Chess OPEN Registration Tournament (C1)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1405.1
1391.9
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U10A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
4.0
1405.1
1391.9
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
37
Lardies Ope 2024 (U12)
2024/10/26
2024/10/26
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1496.6
1486.5
Analysis
36
Gauteng Top Schools 2024 (U11 Open)
2024/10/04
2024/10/04
Ekurhuleni (GE)
Standard
60
0.83
5
5
1.5
1536.7
1534.5
Analysis
35
2024 Etienne Lewis (U12)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
4.5
1510.1
1509.8
Analysis
34
Gauteng Schools Individuals Finals 2024 (U11 Boys)
2024/08/16
2024/08/16
Ekurhuleni (GE)
Standard
60
0.83
5
5
5.0
1510.1
1509.8
Analysis
33
D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11A)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1514.7
1512.4
Analysis
32
Menlopark Open Chess Tournament 2024 (U12)
2024/07/13
2024/07/13
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1450.1
1444.6
Analysis
31
2024 Elise Steenkamp Open Chess Tournament (Kings)
2024/06/15
2024/06/17
Tshwane (GTP)
Standard
90
0.94
7
7
3.0
1443.5
1433.1
Analysis
30
2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1370.5
1347.3
Analysis
29
South African Junior Closed Chess Championship 2024 (U10 Open)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
5.0
1370.5
1347.3
Analysis
28
2024 Silver Lakes Open Chess Tournament (D1)
2024/04/21
2024/04/21
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1396.8
1377.1
Analysis
27
2024 Constantiapark Open (C)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1466.1
1461.3
Analysis
26
2024 Blou Bul Open Chess Tournament (C)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1466.1
1461.3
Analysis
25
2024 Tshwane Chess OPEN Registration Tournament (C1)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1405.1
1391.9
Analysis
24
2024 Gauteng Inter-Region Chess Championship (U10A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
4.0
1405.1
1391.9
Analysis
23
Lardies Open Tournament 2023 (C)
2023/10/28
2023/10/28
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1447.1
1442.5
Analysis
22
2023 Centurion Chess Open (C)
2023/09/23
2023/09/23
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1471.5
1471.9
Analysis
21
2023 Etienne Lewis Closed Tournament (U10)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
7
6.0
1340.7
1336.4
Analysis
20
2023 Gauteng Top Schools (U9 Mixed)
2023/08/18
2023/08/18
West Rand (GWR)
Standard
60
0.83
5
5
5.0
1340.7
1336.4
Analysis
19
2023 Woman's Day Open Chess Tournament (Rook)
2023/08/09
2023/08/09
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1340.7
1336.4
Analysis
18
2023 Tshwane South School District CLOSED League Championship (U9)
2023/07/29
2023/07/29
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1279.1
1259.3
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
78
45
6
27
48.0
61.5
98.1
1372.1
1470.2
White
40
24
3
13
25.5
63.8
116.9
1367.0
1483.9
Black
38
21
3
14
22.5
59.2
78.3
1377.6
1455.9
Standard
All
78
45
6
27
48.0
61.5
98.1
1372.1
1470.2
White
40
24
3
13
25.5
63.8
116.9
1367.0
1483.9
Black
38
21
3
14
22.5
59.2
78.3
1377.6
1455.9
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
196
122
11
63
127.5
65.1
127.9
1278.8
1406.7
White
103
65
3
35
66.5
64.6
123.8
1278.2
1402.0
Black
93
57
8
28
61.0
65.6
132.5
1279.4
1412.0
Standard
All
196
122
11
63
127.5
65.1
127.9
1278.8
1406.7
White
103
65
3
35
66.5
64.6
123.8
1278.2
1402.0
Black
93
57
8
28
61.0
65.6
132.5
1279.4
1412.0
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1140134057
Erwee, HP (Hermanus Philipus)
5
4.0
4
0
1
80.0
1316.9
255.0
1571.9
View list
2
1140135082
Janse Van Rensburg, J (Josh)
4
3.5
3
1
0
87.5
1397.3
318.8
1716.1
View list
3
1140135557
Thorulsley, K (Kairaav)
4
2.0
2
0
2
50.0
1378.5
0.0
1378.5
View list
4
1140134245
Van Der Merwe, ZC (Zander Christiaan)
4
0.5
0
1
3
12.5
1408.9
-318.8
1090.1
View list
5
1130134041
Botha, L (Logan)
3
3.0
3
0
0
100.0
1421.2
425.0
1846.2
View list
6
2140135776
Roberts, F (Frans-Leigh)
3
3.0
3
0
0
100.0
1339.2
425.0
1764.2
View list
7
1140134633
Van Der Merwe, A (Aiden Joshua)
3
3.0
3
0
0
100.0
1328.9
425.0
1753.9
View list
8
1140159107
Vosloo, D (Dewaal)
3
2.0
2
0
1
66.7
1413.1
141.7
1554.8
View list
9
1140135555
Prinsloo, N (Nicholas)
3
1.0
1
0
2
33.3
1372.1
-141.7
1230.4
View list
10
1130131224
Minny, O (Oban)
3
0.5
0
1
2
16.7
1439.4
-283.3
1156.1
View list
11
1130140635
Ribbens, R (Reuben)
3
0.0
0
0
3
0.0
1520.5
-425.0
1095.5
View list
12
1140134429
Botha, G (Gregory)
2
2.0
2
0
0
100.0
1287.1
425.0
1712.1
View list
13
1130133911
Butner, J (James)
2
2.0
2
0
0
100.0
1337.6
425.0
1762.6
View list
14
2130137395
Du Toit, M (Mine)
2
2.0
2
0
0
100.0
1480.1
425.0
1905.1
View list
15
2130154142
Mabasa, D (Dzunani)
2
2.0
2
0
0
100.0
1433.5
425.0
1858.5
View list
16
2150134511
Minny, L (Lunka)
2
2.0
2
0
0
100.0
1332.9
425.0
1757.9
View list
17
1140134242
Opperman, J (Jordan)
2
2.0
2
0
0
100.0
1348.0
425.0
1773.0
View list
18
2140135150
Prinsloo, V (Veronique)
2
2.0
2
0
0
100.0
1384.3
425.0
1809.3
View list
19
2140133857
Venter, E (Elke)
2
2.0
2
0
0
100.0
1418.7
425.0
1843.7
View list
20
2140134240
Du Plessis, M (Mia)
2
1.5
1
1
0
75.0
1284.5
212.5
1497.0
View list