Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
De Roos, H (Hubert)
Dob:
2009/12/28 (U16)
Gender:
Male
Chess SA id:
1090134032
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/09/01 (74 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
1312.5
Current Weighted rating
1321.1
Current Weighted performance
1250.3
Current official/published rating (highest between Raw, WR and WP)
1321.1
Current highest rating achieved
1368.4
Current floor (min rating allowed)
868.4
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)
±141.3
Current Raw change used (final)
0.0
Projected new Raw rating
1312.5
Projected new Weighed rating
1215.9
Projected new Weighted performance
1250.3
Projected new final Raw rating (if new WP > new Raw)
1312.5
Projected new highest rating
1368.4
Projected new floor
868.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1312.5
Projected effective change (new Official - current Official)
-8.6
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
1303.5
Current Weighted rating
1312.6
Current Weighted performance
1250.3
Current official/published rating (highest between Raw, WR and WP)
1312.6
Current highest rating achieved
1345.8
Current floor (min rating allowed)
845.8
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)
±143.1
Current Raw change used (final)
0.0
Projected new Raw rating
1303.5
Projected new Weighed rating
1208.0
Projected new Weighted performance
1250.3
Projected new final Raw rating (if new WP > new Raw)
1303.5
Projected new highest rating
1345.8
Projected new floor
845.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1303.5
Projected effective change (new Official - current Official)
-9.1
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
1154.0
Current Weighted rating
1153.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1154.0
Current highest rating achieved
1207.6
Current floor (min rating allowed)
707.6
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)
±177.0
Current Raw change used (final)
0.0
Projected new Raw rating
1154.0
Projected new Weighed rating
1061.8
Projected new Weighted performance
880.0
Projected new final Raw rating (if new WP > new Raw)
1154.0
Projected new highest rating
1207.6
Projected new floor
707.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1154.0
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
5
2024 Etienne Lewis (U16)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
3.0
1313.9
1305.7
Analysis
4
2024 Elise Steenkamp Open Chess Tournament (Queens)
2024/06/15
2024/06/17
Tshwane (GTP)
Standard
90
0.94
7
7
4.0
1316.3
1311.5
Analysis
3
2024 Constantiapark Open (C)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1298.1
1288.1
Analysis
2
2024 Tshwane Chess OPEN Registration Tournament (C2)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1343.8
1333.5
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U16C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
1.0
1343.8
1333.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
26
2024 Etienne Lewis (U16)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
3.0
1313.9
1305.7
Analysis
25
2024 Elise Steenkamp Open Chess Tournament (Queens)
2024/06/15
2024/06/17
Tshwane (GTP)
Standard
90
0.94
7
7
4.0
1316.3
1311.5
Analysis
24
2024 Constantiapark Open (C)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1298.1
1288.1
Analysis
23
2024 Tshwane Chess OPEN Registration Tournament (C2)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1343.8
1333.5
Analysis
22
2024 Gauteng Inter-Region Chess Championship (U16C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
1.0
1343.8
1333.5
Analysis
21
2023 Etienne Lewis Closed Tournament (U16)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
7
3.0
1339.1
1326.7
Analysis
20
2023 Menlo Open Tournament (C)
2023/07/22
2023/07/22
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1334.9
1320.2
Analysis
19
2023 Lubowski Open Tournament (C)
2023/06/24
2023/06/25
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1368.4
1345.8
Analysis
18
2023 Tshwane Chess FIDE Rated Blitz League 2
2023/06/11
2023/06/11
Tshwane (GTP)
Blitz
5
0.18
9
8
3.0
1368.4
1207.6
Analysis
17
2023 Tshwane Chess FIDE Rated Blitz League 1
2023/05/28
2023/05/28
Tshwane (GTP)
Blitz
5
0.18
9
9
5.5
1355.1
1130.0
Analysis
16
2023 Milos Ristic Open Tournament (C)
2023/04/27
2023/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1237.1
1228.5
Analysis
15
2023 Afrikaans Hoër Seunskool Open Chess Tournament (C)
2023/03/04
2023/03/04
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1264.9
1263.1
Analysis
14
2023 Tshwane Chess Open Registration Tournament (C1)
2023/01/28
2023/01/28
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1229.0
1222.4
Analysis
13
2022 South African Junior Wild Card Chess Championships (U14 Open)
2022/12/09
2022/12/12
4 Knights (4K)
Standard
120
1.00
7
7
3.5
1160.6
1158.3
Analysis
12
2022 South African Junior Team Chess Championships (U14 Open)
2022/12/04
2022/12/08
4 Knights (4K)
Standard
120
1.00
7
6
2.5
1160.6
1158.3
Analysis
11
2022 Gauteng North Chess Open (C)
2022/10/15
2022/10/16
Tshwane (GTP)
Standard
90
0.94
5
3
0.0
1196.1
1197.2
Analysis
10
2022 Etienne Lewis (U14 Open)
2022/09/02
2022/09/04
Tshwane (GTP)
Standard
90
0.94
7
7
2.0
1254.6
1263.1
Analysis
9
2022 Alekhine Open (C)
2022/08/13
2022/08/14
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1264.4
1278.9
Analysis
8
2022 Jacaranda Round Robin (U)
2022/07/30
2022/07/30
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1211.4
1219.9
Analysis
7
2022 Menlo Open Tournament (C)
2022/07/23
2022/07/23
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1211.4
1219.9
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
29
12
5
12
14.5
50.0
0.0
1303.0
1303.0
White
16
6
1
9
6.5
40.6
-79.7
1327.5
1247.8
Black
13
6
4
3
8.0
61.5
98.1
1272.8
1370.9
Standard
All
29
12
5
12
14.5
50.0
0.0
1303.0
1303.0
White
16
6
1
9
6.5
40.6
-79.7
1327.5
1247.8
Black
13
6
4
3
8.0
61.5
98.1
1272.8
1370.9
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
149
62
20
67
72.0
48.3
-14.3
1294.2
1280.0
White
74
31
10
33
36.0
48.6
-11.5
1305.0
1293.5
Black
75
31
10
34
36.0
48.0
-17.0
1283.6
1266.6
Standard
All
119
50
17
52
58.5
49.2
-7.1
1273.2
1266.1
White
59
25
9
25
29.5
50.0
0.0
1281.5
1281.5
Black
60
25
8
27
29.0
48.3
-14.2
1265.1
1250.9
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
30
12
3
15
13.5
45.0
-42.5
1377.6
1335.1
White
15
6
1
8
6.5
43.3
-56.7
1397.4
1340.8
Black
15
6
2
7
7.0
46.7
-28.3
1357.8
1329.5
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1120137394
Du Bruyn, D (Dylan)
3
2.0
1
2
0
66.7
1222.8
141.7
1364.5
View list
2
1070153444
Ballim, S (Salif)
2
2.0
2
0
0
100.0
1361.8
425.0
1786.8
View list
3
1110139982
Kock, L (Luca)
2
2.0
2
0
0
100.0
1233.1
425.0
1658.1
View list
4
1090143164
Mothokwa, K (Keabetswe)
2
2.0
2
0
0
100.0
1275.3
425.0
1700.3
View list
5
1080105125
Nason, C (Cyle)
2
2.0
2
0
0
100.0
1299.7
425.0
1724.7
View list
6
1120107185
Steyn, H (Henco)
2
2.0
2
0
0
100.0
1256.8
425.0
1681.8
View list
7
1090098581
Bath, X (Xavier)
2
1.0
1
0
1
50.0
1284.3
0.0
1284.3
View list
8
175000249
Adamson, LJ (Luke)
2
1.0
1
0
1
50.0
1292.1
0.0
1292.1
View list
9
177086357
Jacobs, GJ (Gerhard)
2
1.0
1
0
1
50.0
1361.8
0.0
1361.8
View list
10
1090147078
Lekalakala, B (Bupe Amogelang)
2
1.0
1
0
1
50.0
1341.4
0.0
1341.4
View list
11
1100116740
Nkwadi, K (Karabo)
2
1.0
1
0
1
50.0
1289.4
0.0
1289.4
View list
12
206032103
Reyneke, M (Melindie)
2
1.0
1
0
1
50.0
1229.1
0.0
1229.1
View list
13
111095070
Tennant, N (Nathan)
2
1.0
1
0
1
50.0
1229.1
0.0
1229.1
View list
14
1090140004
Van Staden, R (Rikus)
2
1.0
1
0
1
50.0
1224.3
0.0
1224.3
View list
15
1040152729
Ponquett, J (Joshua Josh)
2
1.0
0
2
0
50.0
1361.8
0.0
1361.8
View list
16
1100117896
Myburgh, Z (Zandre)
2
0.5
0
1
1
25.0
1160.6
-212.5
948.1
View list
17
170047795
Peters, L (Lindley)
2
0.0
0
0
2
0.0
1229.1
-425.0
804.1
View list
18
110092783
Van Rooyen, M (Marcel)
2
0.0
0
0
2
0.0
1315.1
-425.0
890.1
View list
19
109092649
Webb, K (Kagan)
2
0.0
0
0
2
0.0
1301.8
-425.0
876.8
View list
20
1100130043
De Klerk, K (Kai)
1
1.0
1
0
0
100.0
1160.6
425.0
1585.6
View list