Chess South Africa
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Chess South Africa
Grobler, JTW (Johannes Theodorus Wessel)
Dob:
2007/06/25 (U18)
Gender:
Male
Chess SA id:
107088585
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/04/06 (33 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
1498.2
Curent Weighted rating
1434.8
Curent Weighted performance
1473.2
Current official/published rating (highest between Raw, WR and WP)
1498.2
Current floor (min rating allowed)
1016.8
Current highest rating achieved
1516.8
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)
±108.4
Current Raw change used (final)
0.0
Projected new Raw rating
1498.2
Projected new Weighed rating
1442.1
Projected new Weighted performance
1473.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1498.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1516.8
Projected new floor
1016.8
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
1499.1
Curent Weighted rating
1425.9
Curent Weighted performance
1477.1
Current official/published rating (highest between Raw, WR and WP)
1499.1
Current floor (min rating allowed)
1010.5
Current highest rating achieved
1510.5
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)
±108.3
Current Raw change used (final)
0.0
Projected new Raw rating
1499.1
Projected new Weighed rating
1434.2
Projected new Weighted performance
1477.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1499.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1510.5
Projected new floor
1010.5
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
931.2
Curent Weighted rating
927.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
931.2
Current floor (min rating allowed)
500.0
Current highest rating achieved
931.2
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)
±243.2
Current Raw change used (final)
0.0
Projected new Raw rating
931.2
Projected new Weighed rating
929.1
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
931.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
931.2
Projected new floor
500.0
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
500.0
Curent Weighted rating
500.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
500.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
500.0
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)
±449.5
Current Raw change used (final)
0.0
Projected new Raw rating
500.0
Projected new Weighed rating
500.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
500.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
500.0
Projected new floor
500.0
Projected new K-facor
40
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
5
2024 KSNG CHess Academy Open Tournament (C)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1481.2
1475.4
Analysis
4
2024 Tshwane Chess AHS Open Chess Tournament (B)
2024/02/24
2024/02/24
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1494.2
1486.9
Analysis
3
2024 Blou Bul Open Chess Tournament (B)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1494.2
1486.9
Analysis
2
2024 Piet Robbertse Open Chess Tournament (B)
2024/02/03
2024/02/04
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1494.2
1486.9
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U18A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
4.5
1443.5
1437.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
38
2024 KSNG CHess Academy Open Tournament (C)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1481.2
1475.4
Analysis
37
2024 Tshwane Chess AHS Open Chess Tournament (B)
2024/02/24
2024/02/24
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1494.2
1486.9
Analysis
36
2024 Blou Bul Open Chess Tournament (B)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1494.2
1486.9
Analysis
35
2024 Piet Robbertse Open Chess Tournament (B)
2024/02/03
2024/02/04
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1494.2
1486.9
Analysis
34
2024 Gauteng Inter-Region Chess Championship (U18A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
4.5
1443.5
1437.5
Analysis
33
2023 Moja Chess Extravaganza (B)
2023/09/30
2023/10/04
Frances Baard (NCF)
Standard
120
1.00
9
8
2.5
1516.8
1510.5
Analysis
32
2023 Alekhine Open Tournament (B)
2023/09/09
2023/09/10
Tshwane (GTP)
Standard
90
0.94
5
4
3.5
1426.3
1430.4
Analysis
31
2023 Etienne Lewis Closed Tournament (U18+U20)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
7
5.5
1365.2
1353.4
Analysis
30
2023 Gauteng Top Schools (U19 Mixed)
2023/08/19
2023/08/19
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1365.2
1353.4
Analysis
29
2023 Tshwane South School District CLOSED League Championship (U19)
2023/07/29
2023/07/29
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1370.2
1360.2
Analysis
28
2023 Mid Gauteng Open Tournament (B)
2023/05/06
2023/05/06
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1342.8
1317.0
Analysis
27
2023 Tshwane South School District CLOSED Individual Championships (U18 Open)
2023/04/22
2023/04/22
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1382.4
1368.5
Analysis
26
Silver Lakes Open Chess Tournament (B)
2023/04/15
2023/04/15
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1382.4
1368.5
Analysis
25
Chris Greyling Open Tournament 2023 (B)
2023/03/21
2023/03/21
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1378.4
1353.7
Analysis
24
2023 Afrikaans Hoër Seunskool Open Chess Tournament (B)
2023/03/04
2023/03/04
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1378.4
1353.7
Analysis
23
Grey College Team Championship 2023 (A)
2023/02/03
2023/02/04
Mangaung (FMB)
Standard
60
0.83
5
5
3.0
1391.7
1370.6
Analysis
22
2023 Tshwane Chess Open Registration Tournament (B1)
2023/01/28
2023/01/28
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1403.4
1383.9
Analysis
21
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
1393.0
1367.3
Analysis
20
2022 Wynie Robbertse Open (C)
2022/10/08
2022/10/08
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1366.4
1327.0
Analysis
19
Afrikaanse Hoër Seunskool Interne Skaak KampioenskAP 2022
2022/09/22
2022/09/22
Tshwane (GTP)
Rapid
25
0.54
7
7
5.5
1305.3
721.2
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
25
14
3
8
15.5
62.0
102.0
1431.4
1533.4
White
14
7
2
5
8.0
57.1
60.7
1432.4
1493.1
Black
11
7
1
3
7.5
68.2
154.5
1430.1
1584.6
Standard
All
25
14
3
8
15.5
62.0
102.0
1431.4
1533.4
White
14
7
2
5
8.0
57.1
60.7
1432.4
1493.1
Black
11
7
1
3
7.5
68.2
154.5
1430.1
1584.6
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
203
103
33
67
119.5
58.9
75.4
1292.4
1367.8
White
101
53
19
29
62.5
61.9
101.0
1301.0
1402.0
Black
102
50
14
38
57.0
55.9
50.0
1283.9
1333.9
Standard
All
184
92
30
62
107.0
58.2
69.3
1299.6
1368.8
White
92
47
17
28
55.5
60.3
87.8
1306.4
1394.2
Black
92
45
13
34
51.5
56.0
50.8
1292.7
1343.5
Rapid
All
19
11
3
5
12.5
65.8
134.2
1223.0
1357.2
White
9
6
2
1
7.0
77.8
236.1
1245.4
1481.5
Black
10
5
1
4
5.5
55.0
42.5
1202.8
1245.3
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1090098574
Gounder, A (Arun)
3
3.0
3
0
0
100.0
1387.5
425.0
1812.5
View list
2
2060097845
Venter, Z (Zanri)
3
2.0
2
0
1
66.7
1173.0
141.7
1314.6
View list
3
107078866
Ferreira, H (Hechter)
3
0.5
0
1
2
16.7
1307.0
-283.3
1023.7
View list
4
188026981
Ndubane, D (Dumsane)
3
0.5
0
1
2
16.7
1309.1
-283.3
1025.8
View list
5
108052034
Du Toit, SJM (Stephanus (Matteo))
3
0.0
0
0
3
0.0
1346.5
-425.0
921.5
View list
6
2120111139
Maharaj, A (Aditi)
2
2.0
2
0
0
100.0
1356.6
425.0
1781.6
View list
7
1080130090
Matsioloko, O (Osega)
2
2.0
2
0
0
100.0
1437.1
425.0
1862.1
View list
8
1120119689
Rust, C (Christoph)
2
2.0
2
0
0
100.0
1494.2
425.0
1919.2
View list
9
171036861
Swanepoel, K (Karel)
2
2.0
2
0
0
100.0
1312.8
425.0
1737.8
View list
10
108082684
De Vries, MA (Andrio)
2
1.5
1
1
0
75.0
1337.8
212.5
1550.3
View list
11
2110141710
Dikolomela, T (Tlhogi)
2
1.5
1
1
0
75.0
1418.5
212.5
1631.0
View list
12
107079041
Crause, M (Mynhardt)
2
1.0
1
0
1
50.0
985.0
0.0
985.0
View list
13
106095058
Dippenaar, A (Adriaan)
2
1.0
1
0
1
50.0
828.3
0.0
828.3
View list
14
1110096784
Radia, S (Shyam)
2
1.0
1
0
1
50.0
1378.4
0.0
1378.4
View list
15
1060099976
Wilson, P (Petrus Johannes)
2
1.0
1
0
1
50.0
747.8
0.0
747.8
View list
16
108090807
Mcphail, R (Ryan)
2
1.0
0
2
0
50.0
1341.8
0.0
1341.8
View list
17
105029423
Pasaribu, M (Matthew)
2
0.5
0
1
1
25.0
1360.6
-212.5
1148.1
View list
18
1090146030
Stephen, B (Bulelani)
2
0.0
0
0
2
0.0
1438.3
-425.0
1013.3
View list
19
175000249
Adamson, LJ (Luke)
1
1.0
1
0
0
100.0
1494.2
425.0
1919.2
View list
20
1080115486
Davids, M (Mac-William)
1
1.0
1
0
0
100.0
671.6
425.0
1096.6
View list