Chess South Africa
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Chess South Africa
Du Preez, J (Joah)
Dob:
2011/01/24 (U14)
Gender:
Male
Chess SA id:
1110117066
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/05/11 (9 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
1327.7
Curent Weighted rating
1208.6
Curent Weighted performance
1277.1
Current official/published rating (highest between Raw, WR and WP)
1327.7
Current floor (min rating allowed)
827.7
Current highest rating achieved
1327.7
Current K-factor
36
Games played this month
5
Score (S)
3.0
Expected score (We)
2.68
Difference (S-We)
0.32
Current Raw change (no limits, including tournament time weight)
9.6
Current min/max change allowed (with limits)
±138.2
Current Raw change used (final)
9.6
Projected new Raw rating
1337.3
Projected new Weighed rating
1221.1
Projected new Weighted performance
1277.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1337.3
Projected effective change (new Official - current Official)
+9.6
Projected new highest rating
1337.3
Projected new floor
837.3
Projected new K-facor
36
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
1324.4
Curent Weighted rating
1192.3
Curent Weighted performance
1273.9
Current official/published rating (highest between Raw, WR and WP)
1324.4
Current floor (min rating allowed)
824.4
Current highest rating achieved
1324.4
Current K-factor
36
Games played this month
5
Score (S)
3.0
Expected score (We)
2.60
Difference (S-We)
0.40
Current Raw change (no limits, including tournament time weight)
14.4
Current min/max change allowed (with limits)
±138.9
Current Raw change used (final)
14.4
Projected new Raw rating
1338.8
Projected new Weighed rating
1206.9
Projected new Weighted performance
1273.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1338.8
Projected effective change (new Official - current Official)
+14.4
Projected new highest rating
1338.8
Projected new floor
838.8
Projected new K-facor
36
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
1207.6
Curent Weighted rating
1207.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1207.6
Current floor (min rating allowed)
707.6
Current highest rating achieved
1207.6
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)
±164.0
Current Raw change used (final)
0.0
Projected new Raw rating
1207.6
Projected new Weighed rating
1207.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1207.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1207.6
Projected new floor
707.6
Projected new K-facor
36
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)
707.6
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
707.6
Projected new K-facor
36
Tournaments
History
Tournament:
2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed)
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:
1327.7
Rating gain/loss:
9.6
Type rating:
1324.4
Rating gain/loss:
14.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1327.7
1324.4
Analysis
2
2024 Tshwane Chess OPEN Registration Tournament (D2)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1182.8
1177.1
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U14C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
3.0
1182.8
1177.1
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
14
2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1327.7
1324.4
Analysis
13
2024 Tshwane Chess OPEN Registration Tournament (D2)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1182.8
1177.1
Analysis
12
2024 Gauteng Inter-Region Chess Championship (U14C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
3.0
1182.8
1177.1
Analysis
11
2023 Alekhine Open Tournament (D)
2023/09/09
2023/09/09
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1204.5
1200.1
Analysis
10
2023 Etienne Lewis Closed Tournament (U14)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
7
2.5
1149.9
1126.4
Analysis
9
2023 Jacaranda Round Robin (J)
2023/08/12
2023/08/12
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1149.9
1126.4
Analysis
8
2023 Menlo Open Tournament (D)
2023/07/22
2023/07/22
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1094.1
1050.4
Analysis
7
2023 Tshwane South School District CLOSED Individual Championships (U13 Open)
2023/04/22
2023/04/22
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1146.9
1108.4
Analysis
6
2022 Menlo Open Tournament (D)
2022/07/23
2022/07/23
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1155.5
1110.4
Analysis
5
D4 Individuals 2022 (U11 Open)
2022/04/23
2022/04/23
Tshwane (GTP)
Rapid
30
0.60
7
7
4.0
1125.7
1200.0
Analysis
4
2021 Lardies Ope (D)
2021/10/30
2021/10/30
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1133.7
1118.8
Analysis
3
2021 Chris Greyling Open Tournament (D)
2021/05/08
2021/05/08
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1146.6
1132.8
Analysis
2
2021 Registration Tournament (D)
2021/03/13
2021/03/13
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1164.5
1156.8
Analysis
1
2019 Menlo Open (E)
2019/07/13
2019/07/13
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
14
10
0
4
10.0
71.4
182.1
1261.4
1443.6
White
6
5
0
1
5.0
83.3
283.3
1204.9
1488.2
Black
8
5
0
3
5.0
62.5
106.3
1303.8
1410.1
Standard
All
14
10
0
4
10.0
71.4
182.1
1261.4
1443.6
White
6
5
0
1
5.0
83.3
283.3
1204.9
1488.2
Black
8
5
0
3
5.0
62.5
106.3
1303.8
1410.1
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
72
34
1
37
34.5
47.9
-17.7
1225.2
1207.5
White
39
19
1
19
19.5
50.0
0.0
1223.4
1223.4
Black
33
15
0
18
15.0
45.5
-38.6
1227.4
1188.7
Standard
All
65
30
1
34
30.5
46.9
-26.2
1225.7
1199.6
White
35
18
1
16
18.5
52.9
24.3
1222.3
1246.6
Black
30
12
0
18
12.0
40.0
-85.0
1229.7
1144.7
Rapid
All
7
4
0
3
4.0
57.1
60.7
1220.3
1281.0
White
4
1
0
3
1.0
25.0
-212.5
1232.8
1020.3
Black
3
3
0
0
3.0
100.0
425.0
1203.7
1628.7
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
2120105112
Bogaard, A (Anneke)
2
1.0
1
0
1
50.0
1155.5
0.0
1155.5
View list
2
1140160790
Bienedell, R (Robin)
2
1.0
1
0
1
50.0
1138.4
0.0
1138.4
View list
3
1110108346
Mcphail, M (Matthew)
2
0.0
0
0
2
0.0
1155.7
-425.0
730.7
View list
4
1140157438
Brenner, B (Bennett)
1
1.0
1
0
0
100.0
1149.9
425.0
1574.9
View list
5
1090134032
De Roos, H (Hubert)
1
1.0
1
0
0
100.0
1133.7
425.0
1558.7
View list
6
1100154171
De Meyer, M (Marius)
1
1.0
1
0
0
100.0
1146.9
425.0
1571.9
View list
7
1110107188
De Beer, L (Liam)
1
1.0
1
0
0
100.0
1149.9
425.0
1574.9
View list
8
2090098600
Goosen, M (Mieke)
1
1.0
1
0
0
100.0
1182.8
425.0
1607.8
View list
9
1090157435
Du Toit, C (Colenso)
1
1.0
1
0
0
100.0
1182.8
425.0
1607.8
View list
10
1120139655
Du Toit, C (Christiaan)
1
1.0
1
0
0
100.0
1182.8
425.0
1607.8
View list
11
2120112515
Du Randt, L (Lea)
1
1.0
1
0
0
100.0
1094.1
425.0
1519.1
View list
12
2150147100
Dixon, G (Genevieve)
1
1.0
1
0
0
100.0
1204.5
425.0
1629.5
View list
13
1100117077
Jacobs, R (Rico)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
14
110092125
Jansen Van Vuuren, J (Joshua)
1
1.0
1
0
0
100.0
1182.8
425.0
1607.8
View list
15
2140137411
Keyter, A (Alissa)
1
1.0
1
0
0
100.0
1149.9
425.0
1574.9
View list
16
111087833
Kleynhans, V (Victor)
1
1.0
1
0
0
100.0
1164.5
425.0
1589.5
View list
17
1120139983
Kotze, J (Joshua)
1
1.0
1
0
0
100.0
1125.7
425.0
1550.7
View list
18
1070133908
Mametse, O (Ontheeditse)
1
1.0
1
0
0
100.0
1164.5
425.0
1589.5
View list
19
1120191625
Mokoena, K (Kopano)
1
1.0
1
0
0
100.0
1182.8
425.0
1607.8
View list
20
1110145391
Ngele, P (Phomelelo)
1
1.0
1
0
0
100.0
1182.8
425.0
1607.8
View list