Chess South Africa
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Chess South Africa
Wolfaardt, J (John Eduan)
Dob:
2008/03/04 (U18)
Gender:
Male
Chess SA id:
1080139932
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/05/11 (6 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
Curent Raw rating
1501.3
Curent Weighted rating
1408.6
Curent Weighted performance
1445.1
Current official/published rating (highest between Raw, WR and WP)
1501.3
Current floor (min rating allowed)
1031.6
Current highest rating achieved
1531.6
Current K-factor
32
Games played this month
10
Score (S)
7.0
Expected score (We)
7.44
Difference (S-We)
-0.44
Current Raw change (no limits, including tournament time weight)
-11.7
Current min/max change allowed (with limits)
±107.9
Current Raw change used (final)
-11.7
Projected new Raw rating
1489.6
Projected new Weighed rating
1419.6
Projected new Weighted performance
1445.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1489.6
Projected effective change (new Official - current Official)
-11.7
Projected new highest rating
1531.6
Projected new floor
1031.6
Projected new K-facor
32
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
Curent Raw rating
1497.1
Curent Weighted rating
1403.7
Curent Weighted performance
1446.5
Current official/published rating (highest between Raw, WR and WP)
1497.1
Current floor (min rating allowed)
1034.2
Current highest rating achieved
1534.2
Current K-factor
32
Games played this month
10
Score (S)
7.0
Expected score (We)
7.39
Difference (S-We)
-0.39
Current Raw change (no limits, including tournament time weight)
-12.5
Current min/max change allowed (with limits)
±108.6
Current Raw change used (final)
-12.5
Projected new Raw rating
1484.6
Projected new Weighed rating
1414.7
Projected new Weighted performance
1446.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1484.6
Projected effective change (new Official - current Official)
-12.5
Projected new highest rating
1534.2
Projected new floor
1034.2
Projected new K-facor
32
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
Curent Raw rating
1190.4
Curent Weighted rating
1190.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1190.7
Current floor (min rating allowed)
690.4
Current highest rating achieved
1190.4
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)
±168.1
Current Raw change used (final)
0.0
Projected new Raw rating
1190.4
Projected new Weighed rating
1190.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1190.6
Projected effective change (new Official - current Official)
-0.1
Projected new highest rating
1190.4
Projected new floor
690.4
Projected new K-facor
40
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
Curent Raw rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
690.4
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
690.4
Projected new K-facor
36
Tournaments
History
Tournament:
2024 Tshwane North School District CLOSED Individual Champioships (U18 Boys)
Start:
2024/05/11
End:
2024/05/11
Host:
GTP
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
3.0
Main rating:
1501.3
Rating gain/loss:
-14.1
Type rating:
1497.1
Rating gain/loss:
-16.3
Analysis
Tournament:
District 3 Cluster 4 and 5 Individuals 2024 (U18 Boys)
Start:
2024/05/06
End:
2024/05/06
Host:
GTP
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
4.0
Main rating:
1501.3
Rating gain/loss:
2.4
Type rating:
1497.1
Rating gain/loss:
3.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
7
2024 Tshwane North School District CLOSED Individual Champioships (U18 Boys)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1501.3
1497.1
Analysis
6
District 3 Cluster 4 and 5 Individuals 2024 (U18 Boys)
2024/05/06
2024/05/06
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1501.3
1497.1
Analysis
5
2024 Milos Ristic Open Chess Tournament (A)
2024/04/27
2024/04/27
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1531.6
1534.2
Analysis
4
2024 Tshwane Chess AHS Open Chess Tournament (C2)
2024/02/24
2024/02/24
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1415.8
1416.2
Analysis
3
2024 Piet Robbertse Open Chess Tournament (C)
2024/02/03
2024/02/04
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1415.8
1416.2
Analysis
2
2024 Tshwane Chess OPEN Registration Tournament (C1)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1406.2
1401.8
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U16C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1406.2
1401.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
22
2024 Tshwane North School District CLOSED Individual Champioships (U18 Boys)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1501.3
1497.1
Analysis
21
District 3 Cluster 4 and 5 Individuals 2024 (U18 Boys)
2024/05/06
2024/05/06
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1501.3
1497.1
Analysis
20
2024 Milos Ristic Open Chess Tournament (A)
2024/04/27
2024/04/27
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1531.6
1534.2
Analysis
19
2024 Tshwane Chess AHS Open Chess Tournament (C2)
2024/02/24
2024/02/24
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1415.8
1416.2
Analysis
18
2024 Piet Robbertse Open Chess Tournament (C)
2024/02/03
2024/02/04
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1415.8
1416.2
Analysis
17
2024 Tshwane Chess OPEN Registration Tournament (C1)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1406.2
1401.8
Analysis
16
2024 Gauteng Inter-Region Chess Championship (U16C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1406.2
1401.8
Analysis
15
2023 Etienne Lewis Closed Tournament (U16)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
7
3.0
1397.2
1384.2
Analysis
14
2023 Gauteng Top Schools (U17 Mixed)
2023/08/19
2023/08/19
West Rand (GWR)
Standard
60
0.83
5
5
2.0
1397.2
1384.2
Analysis
13
2023 Tshwane North School District CLOSED League Championships (D3) (U17)
2023/08/12
2023/08/12
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1397.2
1384.2
Analysis
12
Wynie Robbertse Open Tournament 2023 (C)
2023/06/03
2023/06/03
Tshwane (GTP)
Standard
60
0.83
5
0
0.0
1397.2
1384.2
Analysis
11
2023 Tshwane North School District CLOSED Individual Championships (D3) (U15 Open)
2023/05/13
2023/05/13
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1411.5
1400.5
Analysis
10
Silver Lakes Open Chess Tournament (C)
2023/04/15
2023/04/15
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1426.1
1418.1
Analysis
9
Chris Greyling Open Tournament 2023 (C)
2023/03/21
2023/03/21
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1356.8
1349.3
Analysis
8
2023 Afrikaans Hoër Seunskool Open Chess Tournament (C)
2023/03/04
2023/03/04
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1356.8
1349.3
Analysis
7
2023 Piet Robbertse Fide Rated Open Chess Tournament (C)
2023/02/04
2023/02/05
Tshwane (GTP)
Standard
90
0.94
5
5
4.0
1264.0
1260.2
Analysis
6
2023 Tshwane Chess Open Registration Tournament (C2)
2023/01/28
2023/01/28
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1236.2
1224.9
Analysis
5
2022 South African Junior Team Chess Championships (U16 Open)
2022/12/04
2022/12/08
4 Knights (4K)
Standard
120
1.00
7
7
4.5
1192.6
1179.9
Analysis
4
OR Tambo Soncini Finals 2022 (Boys)
2022/10/29
2022/10/29
Ekurhuleni (GE)
Rapid
30
0.60
5
5
2.5
1183.3
1200.0
Analysis
3
2022 Gauteng Schools Team Championships (U17 Open)
2022/08/26
2022/08/26
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1198.8
1198.6
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
34
23
0
11
23.0
67.6
150.0
1324.8
1474.8
White
19
14
0
5
14.0
73.7
201.3
1338.1
1539.4
Black
15
9
0
6
9.0
60.0
85.0
1307.9
1392.9
Standard
All
34
23
0
11
23.0
67.6
150.0
1324.8
1474.8
White
19
14
0
5
14.0
73.7
201.3
1338.1
1539.4
Black
15
9
0
6
9.0
60.0
85.0
1307.9
1392.9
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
107
63
6
38
66.0
61.7
99.3
1285.7
1385.0
White
52
33
4
15
35.0
67.3
147.1
1279.9
1427.0
Black
55
30
2
23
31.0
56.4
54.1
1291.1
1345.2
Standard
All
102
61
5
36
63.5
62.3
104.2
1287.4
1391.6
White
50
33
3
14
34.5
69.0
161.5
1279.6
1441.1
Black
52
28
2
22
29.0
55.8
49.0
1294.8
1343.9
Rapid
All
5
2
1
2
2.5
50.0
0.0
1250.6
1250.6
White
2
0
1
1
0.5
25.0
-212.5
1286.2
1073.7
Black
3
2
0
1
2.0
66.7
141.7
1226.9
1368.6
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
1060144844
Ngobeni, N (Njabulo)
3
1.0
1
0
2
33.3
1434.7
-141.7
1293.1
View list
2
1080115589
Van Niekerk, RM (Reuben Mentz)
3
0.0
0
0
3
0.0
1400.5
-425.0
975.5
View list
3
1090116741
Kekana, N (Neo)
2
2.0
2
0
0
100.0
1270.0
425.0
1695.0
View list
4
210088596
Louw, N (Nova)
2
2.0
2
0
0
100.0
1310.4
425.0
1735.4
View list
5
1130130105
Slabbert, M (Marko)
2
2.0
2
0
0
100.0
1411.0
425.0
1836.0
View list
6
108045082
Koning, L (Lehan)
2
1.0
1
0
1
50.0
1298.8
0.0
1298.8
View list
7
1050146055
Mashigo, P (Paballo)
2
1.0
1
0
1
50.0
1298.0
0.0
1298.0
View list
8
1110140059
Tshetlhe, B (Blessing)
2
0.5
0
1
1
25.0
1345.0
-212.5
1132.5
View list
9
2120136659
Wiehahn, H (Hailey)
2
0.5
0
1
1
25.0
1391.4
-212.5
1178.9
View list
10
1080098516
Potgieter, A (Albert)
2
0.0
0
0
2
0.0
1316.7
-425.0
891.7
View list
11
1080148656
Acker, S (Steven)
1
1.0
1
0
0
100.0
1501.3
425.0
1926.3
View list
12
206001830
Bent, C (Cierra)
1
1.0
1
0
0
100.0
1397.2
425.0
1822.2
View list
13
1070141583
Augustyn, C (Colin)
1
1.0
1
0
0
100.0
1501.3
425.0
1926.3
View list
14
1120133903
Buchner, E (Emil)
1
1.0
1
0
0
100.0
1415.8
425.0
1840.8
View list
15
1060141606
Brummer, R (Renier)
1
1.0
1
0
0
100.0
1501.3
425.0
1926.3
View list
16
1090131247
Changara, A (Adrian Tafara)
1
1.0
1
0
0
100.0
1415.8
425.0
1840.8
View list
17
1910191611
Buthelezi, K (Kabelo)
1
1.0
1
0
0
100.0
1406.2
425.0
1831.2
View list
18
1070099941
Burger, I (Izak Ulrich)
1
1.0
1
0
0
100.0
1236.2
425.0
1661.2
View list
19
1080139925
De Beer, A (Azaria)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
20
1080149159
Gololo, T (Tiisetso)
1
1.0
1
0
0
100.0
1501.3
425.0
1926.3
View list