Chess South Africa
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Chess South Africa
Grobler, J (Joshua)
Dob:
2013/05/15 (U12)
Gender:
Male
Chess SA id:
1130134049
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/05/11 (36 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
1259.1
Current Weighted rating
1178.7
Current Weighted performance
1231.8
Current official/published rating (highest between Raw, WR and WP)
1259.1
Current highest rating achieved
1259.1
Current floor (min rating allowed)
759.1
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)
±152.4
Current Raw change used (final)
0.0
Projected new Raw rating
1259.1
Projected new Weighed rating
1085.0
Projected new Weighted performance
1231.8
Projected new final Raw rating (if new WP > new Raw)
1259.1
Projected new highest rating
1259.1
Projected new floor
759.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1259.1
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
1270.8
Current Weighted rating
1172.6
Current Weighted performance
1231.8
Current official/published rating (highest between Raw, WR and WP)
1270.8
Current highest rating achieved
1270.8
Current floor (min rating allowed)
770.8
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)
±149.9
Current Raw change used (final)
0.0
Projected new Raw rating
1270.8
Projected new Weighed rating
1079.5
Projected new Weighted performance
1231.8
Projected new final Raw rating (if new WP > new Raw)
1270.8
Projected new highest rating
1270.8
Projected new floor
770.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1270.8
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
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
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
2
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
1196.7
1196.0
Analysis
1
2024 Constantiapark Open (D2)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1163.8
1154.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
8
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
1196.7
1196.0
Analysis
7
2024 Constantiapark Open (D2)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1163.8
1154.4
Analysis
6
2023 Tshwane South School District CLOSED League Championship (U11)
2023/07/29
2023/07/29
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1164.8
1154.8
Analysis
5
2023 Tshwane South School District CLOSED Individual Championships (U11 Open)
2023/04/22
2023/04/22
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1163.5
1152.4
Analysis
4
D4 Play Offs 2022 (U9)
2022/07/30
2022/07/30
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1180.4
1174.0
Analysis
3
CP Ope 2022 (D2)
2022/02/19
2022/02/19
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1187.0
1183.6
Analysis
2
2021 Chris Greyling Open Tournament (E)
2021/05/08
2021/05/08
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1171.1
1163.6
Analysis
1
2021 Blou Bul Tournament (E)
2021/04/10
2021/04/10
Mangaung (FMB)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
10
7
0
3
7.0
70.0
170.0
1246.5
1416.5
White
4
3
0
1
3.0
75.0
212.5
1237.4
1449.9
Black
6
4
0
2
4.0
66.7
141.7
1252.5
1394.2
Standard
All
10
7
0
3
7.0
70.0
170.0
1246.5
1416.5
White
4
3
0
1
3.0
75.0
212.5
1237.4
1449.9
Black
6
4
0
2
4.0
66.7
141.7
1252.5
1394.2
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
40
19
2
19
20.0
50.0
0.0
1216.3
1216.3
White
20
10
1
9
10.5
52.5
21.3
1219.9
1241.1
Black
20
9
1
10
9.5
47.5
-21.3
1212.6
1191.4
Standard
All
40
19
2
19
20.0
50.0
0.0
1216.3
1216.3
White
20
10
1
9
10.5
52.5
21.3
1219.9
1241.1
Black
20
9
1
10
9.5
47.5
-21.3
1212.6
1191.4
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
1130134043
De Bruin, H (Hanno)
3
2.5
2
1
0
83.3
1186.0
283.3
1469.4
View list
2
1130134041
Botha, L (Logan)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
2130134040
Botha, L (Lincke)
1
1.0
1
0
0
100.0
1171.1
425.0
1596.1
View list
4
1100134224
Botha, J (Jayden)
1
1.0
1
0
0
100.0
1187.0
425.0
1612.0
View list
5
1130144509
Bolleurs, M (Matthew)
1
1.0
1
0
0
100.0
1196.7
425.0
1621.7
View list
6
2130130100
De Witt, K (Karli)
1
1.0
1
0
0
100.0
1171.1
425.0
1596.1
View list
7
1120112330
De Kock, C (Chris-Jan)
1
1.0
1
0
0
100.0
1164.8
425.0
1589.8
View list
8
1120139981
Kirstein, T (Tinus Ederich)
1
1.0
1
0
0
100.0
1163.5
425.0
1588.5
View list
9
1130304575
Kekana, K (Karabo)
1
1.0
1
0
0
100.0
1196.7
425.0
1621.7
View list
10
2140135766
Mulamattathil, R (Raynah)
1
1.0
1
0
0
100.0
1163.8
425.0
1588.8
View list
11
1120159048
Motsepe, K (Khuvora)
1
1.0
1
0
0
100.0
1164.8
425.0
1589.8
View list
12
1130143052
Netshimboni, J (Junior)
1
1.0
1
0
0
100.0
1180.4
425.0
1605.4
View list
13
1140192167
Premkumar, K (Krish)
1
1.0
1
0
0
100.0
1163.8
425.0
1588.8
View list
14
1120141532
Pretorius, W (Wihan)
1
1.0
1
0
0
100.0
1163.5
425.0
1588.5
View list
15
1140304582
Snyman, Z (Zander)
1
1.0
1
0
0
100.0
1196.7
425.0
1621.7
View list
16
1140159104
Van Der Vyver, M (Marcus)
1
1.0
1
0
0
100.0
1196.7
425.0
1621.7
View list
17
1120137406
Venter, W (Wietzke)
1
1.0
1
0
0
100.0
1187.0
425.0
1612.0
View list
18
1120140148
Vermaak, R (Ruben)
1
1.0
1
0
0
100.0
1163.8
425.0
1588.8
View list
19
1140134245
Van Der Merwe, ZC (Zander Christiaan)
1
0.5
0
1
0
50.0
1180.4
0.0
1180.4
View list
20
2120130097
Padayachy, V (Vidya)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list