Chess South Africa
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Chess South Africa
Groenewald, J (Joshua)
Dob:
2010/06/28 (U16)
Gender:
Male
Chess SA id:
1100097158
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2023/02/18 (494 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
1220.6
Current Weighted rating
1215.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1220.6
Current highest rating achieved
1220.6
Current floor (min rating allowed)
720.6
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)
±161.0
Current Raw change used (final)
0.0
Projected new Raw rating
1220.6
Projected new Weighed rating
1119.2
Projected new Weighted performance
547.8
Projected new final Raw rating (if new WP > new Raw)
1220.6
Projected new highest rating
1220.6
Projected new floor
720.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1220.6
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
1242.0
Current Weighted rating
1235.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1242.0
Current highest rating achieved
1242.0
Current floor (min rating allowed)
742.0
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)
±156.2
Current Raw change used (final)
0.0
Projected new Raw rating
1242.0
Projected new Weighed rating
1137.7
Projected new Weighted performance
474.9
Projected new final Raw rating (if new WP > new Raw)
1242.0
Projected new highest rating
1242.0
Projected new floor
742.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1242.0
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
1178.7
Current Weighted rating
1178.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1178.7
Current highest rating achieved
1214.0
Current floor (min rating allowed)
714.0
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)
±170.9
Current Raw change used (final)
0.0
Projected new Raw rating
1178.7
Projected new Weighed rating
1084.4
Projected new Weighted performance
138.7
Projected new final Raw rating (if new WP > new Raw)
1178.7
Projected new highest rating
1214.0
Projected new floor
714.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1178.7
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.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
4
Cape Winelands Schools Chess - Trials 1 2023 (U13 Boys)
2023/02/18
2023/02/18
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.0
1166.5
1171.6
Analysis
3
Cape Winelands Schools Prestige 2018 (U9 Boys)
2018/03/24
2018/03/25
Cape Winelands (WCW)
Standard
60
0.83
7
7
4.0
1209.6
1200.0
Analysis
2
Cape Winelands Schools Trials 1 2018 (U9 Boys)
2018/03/03
2018/03/03
Cape Winelands (WCW)
Rapid
30
0.60
6
6
3.0
1209.6
1214.0
Analysis
1
North Boland Trials 2018 (U9 Boys)
2018/02/17
2018/02/17
Cape Winelands (WCW)
Rapid
30
0.60
5
5
4.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
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
Standard
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
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
23
15
0
8
15.0
65.2
129.3
1065.1
1194.5
White
12
8
0
4
8.0
66.7
141.7
1078.3
1220.0
Black
11
7
0
4
7.0
63.6
115.9
1050.8
1166.7
Standard
All
12
8
0
4
8.0
66.7
141.7
1125.8
1267.4
White
6
5
0
1
5.0
83.3
283.3
1159.5
1442.8
Black
6
3
0
3
3.0
50.0
0.0
1092.0
1092.0
Rapid
All
11
7
0
4
7.0
63.6
115.9
999.0
1114.9
White
6
3
0
3
3.0
50.0
0.0
997.1
997.1
Black
5
4
0
1
4.0
80.0
255.0
1001.3
1256.3
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
110084201
Mapingana, A (Alakhe)
3
2.0
2
0
1
66.7
1206.4
141.7
1348.1
View list
2
1090097156
Harris, G (George)
2
2.0
2
0
0
100.0
1204.8
425.0
1629.8
View list
3
1090096079
Kriel, M (Marnus Juan)
2
1.0
1
0
1
50.0
1204.8
0.0
1204.8
View list
4
109078326
Geldenhuys, L (Leathon)
2
0.0
0
0
2
0.0
1209.6
-425.0
784.6
View list
5
109078327
Hanekom, L (Logan)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
1110149781
Jacobs, Z (Zuan-Lee)
1
1.0
1
0
0
100.0
1166.5
425.0
1591.5
View list
7
109087353
Williams, M (Mivuyo)
1
1.0
1
0
0
100.0
1209.6
425.0
1634.6
View list
8
1090097154
Van Tonder, P (Pieter-Louw)
1
1.0
1
0
0
100.0
1209.6
425.0
1634.6
View list
9
1100110831
Uys, K (Kayde)
1
1.0
1
0
0
100.0
1166.5
425.0
1591.5
View list
10
1090097155
Siswana, L (Leighton)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
11
109093052
Ntsukwana, A (Anqobile)
1
1.0
1
0
0
100.0
1209.6
425.0
1634.6
View list
12
1100146170
Ntsondwa, L (Lunika)
1
1.0
1
0
0
100.0
1166.5
425.0
1591.5
View list
13
1110149789
Moerat, N (Na-Eem)
1
1.0
1
0
0
100.0
1166.5
425.0
1591.5
View list
14
111091995
De Kock, S (Stephan)
1
1.0
1
0
0
100.0
1209.6
425.0
1634.6
View list
15
109088275
Zungula, C (Chulumanco)
1
0.0
0
0
1
0.0
1209.6
-425.0
784.6
View list
16
109078336
Willis, C (Cronan)
1
0.0
0
0
1
0.0
1209.6
-425.0
784.6
View list
17
1100101909
Liu, F (Furui)
1
0.0
0
0
1
0.0
1166.5
-425.0
741.5
View list
18
1110097143
Dwyer, J (Joshua)
1
0.0
0
0
1
0.0
1209.6
-425.0
784.6
View list