Chess South Africa
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Chess South Africa
Van Rooyen, D (Dandre)
Dob:
2012/01/03 (U14)
Gender:
Male
Chess SA id:
1120148312
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/12/08 (2 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
1366.4
Current Weighted rating
1261.9
Current Weighted performance
1357.3
Current official/published rating (highest between Raw, WR and WP)
1366.4
Current highest rating achieved
1379.1
Current floor (min rating allowed)
879.1
Current K-factor
36
Games played this month
5
Score (S)
4.0
Expected score (We)
2.74
Difference (S-We)
1.18
Current Raw change (no limits, including tournament time weight)
42.6
Current min/max change allowed (with limits)
±130.8
Current Raw change used (final)
42.6
Projected new Raw rating
1409.0
Projected new Weighed rating
1163.8
Projected new Weighted performance
1437.8
Projected new final Raw rating (if new WP > new Raw)
1437.8
Projected new highest rating
1437.8
Projected new floor
937.8
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1437.8
Projected effective change (new Official - current Official)
+71.4
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
1364.9
Current Weighted rating
1259.9
Current Weighted performance
1357.3
Current official/published rating (highest between Raw, WR and WP)
1364.9
Current highest rating achieved
1377.8
Current floor (min rating allowed)
877.8
Current K-factor
36
Games played this month
5
Score (S)
4.0
Expected score (We)
2.76
Difference (S-We)
1.24
Current Raw change (no limits, including tournament time weight)
44.6
Current min/max change allowed (with limits)
±131.1
Current Raw change used (final)
44.6
Projected new Raw rating
1409.5
Projected new Weighed rating
1162.2
Projected new Weighted performance
1437.8
Projected new final Raw rating (if new WP > new Raw)
1437.8
Projected new highest rating
1437.8
Projected new floor
937.8
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1437.8
Projected effective change (new Official - current Official)
+72.9
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
Tournament:
Gauteng Inter-Region at UJ 2024 (U14 Candidates)
Start:
2024/12/07
End:
2024/12/08
Host:
GJM
Type:
Standard
Time:
90
Time weight:
0.94
Rounds:
5
Games:
5
Score:
4.0
Main rating:
1366.4
Rating gain/loss:
42.6
Type rating:
1364.9
Rating gain/loss:
44.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
16
Gauteng Inter-Region at UJ 2024 (U14 Candidates)
2024/12/07
2024/12/08
Johannesburg Metro (GJM)
Standard
90
0.94
5
5
4.0
1366.4
1364.9
Analysis
15
Lardies Ope 2024 (B)
2024/10/26
2024/10/26
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1354.4
1352.3
Analysis
14
2024 Etienne Lewis (U14)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
3.0
1379.1
1377.8
Analysis
13
2024 Jacaranda Round Robin Open Chess Tournament (I)
2024/08/17
2024/08/17
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1261.5
1263.5
Analysis
12
Menlopark Open Chess Tournament 2024 (B)
2024/07/13
2024/07/13
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1262.1
1265.3
Analysis
11
2024 Elise Steenkamp Open Chess Tournament (Queens)
2024/06/15
2024/06/17
Tshwane (GTP)
Standard
90
0.94
7
7
4.0
1256.7
1260.6
Analysis
10
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
1233.7
1234.0
Analysis
9
2024 Milos Ristic Open Chess Tournament (B)
2024/04/27
2024/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1210.4
1203.8
Analysis
8
2024 Silver Lakes Open Chess Tournament (D3)
2024/04/20
2024/04/20
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1210.4
1203.8
Analysis
7
2024 Lubowski Open Chess Tournament (D1)
2024/03/23
2024/03/24
Tshwane (GTP)
Standard
90
0.94
5
5
1.0
1256.9
1252.8
Analysis
6
2024 Chris Greyling Open Chess Tournament (D2)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1256.9
1252.8
Analysis
5
2024 Wynie Robbertse Chess Tournament (D1)
2024/03/02
2024/03/02
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1256.9
1252.8
Analysis
4
2024 Constantiapark Open (D1)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1293.3
1296.3
Analysis
3
2024 Piet Robbertse Open Chess Tournament (D1)
2024/02/03
2024/02/04
Tshwane (GTP)
Standard
90
0.94
5
5
2.5
1293.3
1296.3
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
1166.2
1161.3
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U12C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
5.0
1166.2
1161.3
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
31
Gauteng Inter-Region at UJ 2024 (U14 Candidates)
2024/12/07
2024/12/08
Johannesburg Metro (GJM)
Standard
90
0.94
5
5
4.0
1366.4
1364.9
Analysis
30
Lardies Ope 2024 (B)
2024/10/26
2024/10/26
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1354.4
1352.3
Analysis
29
2024 Etienne Lewis (U14)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
3.0
1379.1
1377.8
Analysis
28
2024 Jacaranda Round Robin Open Chess Tournament (I)
2024/08/17
2024/08/17
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1261.5
1263.5
Analysis
27
Menlopark Open Chess Tournament 2024 (B)
2024/07/13
2024/07/13
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1262.1
1265.3
Analysis
26
2024 Elise Steenkamp Open Chess Tournament (Queens)
2024/06/15
2024/06/17
Tshwane (GTP)
Standard
90
0.94
7
7
4.0
1256.7
1260.6
Analysis
25
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
1233.7
1234.0
Analysis
24
2024 Milos Ristic Open Chess Tournament (B)
2024/04/27
2024/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1210.4
1203.8
Analysis
23
2024 Silver Lakes Open Chess Tournament (D3)
2024/04/20
2024/04/20
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1210.4
1203.8
Analysis
22
2024 Lubowski Open Chess Tournament (D1)
2024/03/23
2024/03/24
Tshwane (GTP)
Standard
90
0.94
5
5
1.0
1256.9
1252.8
Analysis
21
2024 Chris Greyling Open Chess Tournament (D2)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1256.9
1252.8
Analysis
20
2024 Wynie Robbertse Chess Tournament (D1)
2024/03/02
2024/03/02
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1256.9
1252.8
Analysis
19
2024 Constantiapark Open (D1)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1293.3
1296.3
Analysis
18
2024 Piet Robbertse Open Chess Tournament (D1)
2024/02/03
2024/02/04
Tshwane (GTP)
Standard
90
0.94
5
5
2.5
1293.3
1296.3
Analysis
17
2024 Tshwane Chess OPEN Registration Tournament (D2)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1166.2
1161.3
Analysis
16
2024 Gauteng Inter-Region Chess Championship (U12C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
5.0
1166.2
1161.3
Analysis
15
2023 Gauteng Noord (D)
2023/10/14
2023/10/15
Tshwane (GTP)
Standard
90
0.94
5
5
1.0
1208.2
1206.7
Analysis
14
2023 Centurion Chess Open (D)
2023/09/23
2023/09/23
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1225.5
1227.9
Analysis
13
2023 Etienne Lewis Closed Tournament (U12)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
7
2.0
1163.3
1153.7
Analysis
12
2023 Jacaranda Round Robin (K)
2023/08/12
2023/08/12
Tshwane (GTP)
Standard
60
0.83
7
6
5.0
1163.3
1153.7
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
84
47
2
35
48.0
57.1
60.7
1267.0
1327.7
White
43
24
1
18
24.5
57.0
59.3
1254.7
1314.0
Black
41
23
1
17
23.5
57.3
62.2
1279.9
1342.1
Standard
All
84
47
2
35
48.0
57.1
60.7
1267.0
1327.7
White
43
24
1
18
24.5
57.0
59.3
1254.7
1314.0
Black
41
23
1
17
23.5
57.3
62.2
1279.9
1342.1
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
162
79
4
79
81.0
50.0
0.0
1243.8
1243.8
White
82
42
3
37
43.5
53.0
25.9
1237.5
1263.4
Black
80
37
1
42
37.5
46.9
-26.6
1250.3
1223.7
Standard
All
162
79
4
79
81.0
50.0
0.0
1243.8
1243.8
White
82
42
3
37
43.5
53.0
25.9
1237.5
1263.4
Black
80
37
1
42
37.5
46.9
-26.6
1250.3
1223.7
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
2120105112
Bogaard, A (Anneke)
4
3.5
3
1
0
87.5
1275.8
318.8
1594.6
View list
2
1130143045
Ebersohn, G (Gerhard)
4
0.0
0
0
4
0.0
1223.6
-425.0
798.6
View list
3
1120133904
Fokker, CD (Christiaan Dirk)
3
1.0
1
0
2
33.3
1191.3
-141.7
1049.6
View list
4
2130148666
Westermann, L (Liezl)
3
1.0
1
0
2
33.3
1169.5
-141.7
1027.9
View list
5
1120109368
Coetzee, M (Mauritz)
2
2.0
2
0
0
100.0
1264.8
425.0
1689.8
View list
6
1120143038
Boshoff, R (Reinhardt)
2
1.0
1
0
1
50.0
1154.3
0.0
1154.3
View list
7
1120153447
Human, Z (Zachariah)
2
1.0
1
0
1
50.0
1360.4
0.0
1360.4
View list
8
1110155590
Madiba, K (Kutlwano)
2
1.0
1
0
1
50.0
1215.6
0.0
1215.6
View list
9
1100148660
Mmakou, L (Lesedi)
2
1.0
1
0
1
50.0
1215.6
0.0
1215.6
View list
10
1090143164
Mothokwa, K (Keabetswe)
2
1.0
1
0
1
50.0
1175.6
0.0
1175.6
View list
11
1120135739
Pretorius, P (Pieter)
2
1.0
1
0
1
50.0
1150.2
0.0
1150.2
View list
12
1130138297
Scheepers, T (Tristian)
2
1.0
1
0
1
50.0
1138.6
0.0
1138.6
View list
13
2140149175
Boshoff, M (Milah)
2
0.0
0
0
2
0.0
1216.8
-425.0
791.8
View list
14
2120134213
Jansen, A (Alexia)
2
0.0
0
0
2
0.0
1271.2
-425.0
846.2
View list
15
1110149163
Van Der Merwe, L (Louis)
2
0.0
0
0
2
0.0
1336.2
-425.0
911.2
View list
16
2120112515
Du Rand, L (Lea)
1
1.0
1
0
1
100.0
1261.5
425.0
1686.5
View list
17
1500154190
Badenhorst, M (Michael)
1
1.0
1
0
0
100.0
1262.1
425.0
1687.1
View list
18
2140134240
Du Plessis, M (Mia)
1
1.0
1
0
0
100.0
1354.4
425.0
1779.4
View list
19
2150147100
Dixon, G (Genevieve)
1
1.0
1
0
0
100.0
1256.9
425.0
1681.9
View list
20
2110148658
De Jager, A (Anneke)
1
1.0
1
0
0
100.0
1174.3
425.0
1599.3
View list