Chess South Africa
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Chess South Africa
Van Der Merwe, R (Ruben)
Dob:
2007/03/15 (U18)
Gender:
Male
Chess SA id:
1070105122
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2023/02/04 (464 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
1210.6
Curent Weighted rating
1215.8
Curent Weighted performance
928.3
Current official/published rating (highest between Raw, WR and WP)
1215.8
Current floor (min rating allowed)
753.9
Current highest rating achieved
1253.9
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)
±163.3
Current Raw change used (final)
0.0
Projected new Raw rating
1210.6
Projected new Weighed rating
1214.6
Projected new Weighted performance
928.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1214.6
Projected effective change (new Official - current Official)
-1.2
Projected new highest rating
1253.9
Projected new floor
753.9
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
1136.8
Curent Weighted rating
1141.9
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1141.9
Current floor (min rating allowed)
679.2
Current highest rating achieved
1179.2
Current K-factor
40
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)
±181.4
Current Raw change used (final)
0.0
Projected new Raw rating
1136.8
Projected new Weighed rating
1140.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1140.8
Projected effective change (new Official - current Official)
-1.1
Projected new highest rating
1179.2
Projected new floor
679.2
Projected new K-facor
40
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
1252.8
Curent Weighted rating
1252.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1252.8
Current floor (min rating allowed)
752.8
Current highest rating achieved
1252.8
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)
±153.8
Current Raw change used (final)
0.0
Projected new Raw rating
1252.8
Projected new Weighed rating
1252.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1252.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1252.8
Projected new floor
752.8
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
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)
752.8
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
752.8
Projected new K-facor
36
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
8
Central District School Trials 2023 (U17 Boys)
2023/02/03
2023/02/04
Cape Town (WCT)
Standard
60
0.83
6
5
1.0
1253.9
1179.2
Analysis
7
CTCA Rapid Masters @ Claremont Chess Club 2022 (Open)
2022/04/18
2022/04/18
Cape Town (WCT)
Rapid
15
0.39
6
6
3.0
1229.9
1184.0
Analysis
6
CTCA Rapid Masters @ Claremont Chess Club 2022 (Open)
2022/03/21
2022/03/21
Cape Town (WCT)
Rapid
15
0.39
6
6
2.0
1202.8
1164.4
Analysis
5
2022 Central District Individual Trials (U15)
2022/03/05
2022/03/05
Cape Town (WCT)
Rapid
30
0.60
5
5
3.0
1202.8
1164.4
Analysis
4
Western Province Open 2022 (Intermediate)
2022/02/26
2022/02/27
Cape Town (WCT)
Standard
70
0.87
6
6
3.0
1162.1
1132.0
Analysis
3
2022 Cape Of Good Hope Open (Intrmediate)
2022/01/29
2022/01/30
Cape Town (WCT)
Standard
70
0.87
6
6
3.0
1131.5
1099.6
Analysis
2
Jacques Vuyo Le Roux Memorial Rapid 2021
2021/12/04
2021/12/04
Cape Town (WCT)
Rapid
20
0.47
6
6
2.5
1116.3
1200.0
Analysis
1
2018 D4 Tshwane South Schools League Finals (U11)
2018/08/03
2018/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
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
45
17
3
25
18.5
41.1
-75.6
1302.1
1226.5
White
21
9
0
12
9.0
42.9
-60.7
1330.2
1269.5
Black
24
8
3
13
9.5
39.6
-88.5
1277.4
1188.9
Standard
All
22
7
2
13
8.0
36.4
-115.9
1216.8
1100.9
White
10
5
0
5
5.0
50.0
0.0
1269.3
1269.3
Black
12
2
2
8
3.0
25.0
-212.5
1173.0
960.5
Rapid
All
23
10
1
12
10.5
45.7
-37.0
1383.6
1346.7
White
11
4
0
7
4.0
36.4
-115.9
1385.6
1269.7
Black
12
6
1
5
6.5
54.2
35.4
1381.8
1417.2
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
1060108804
Ntukela, A (Amzolele)
2
0.0
0
0
2
0.0
1159.5
-425.0
734.5
View list
2
1120134740
De La Rey, C (Callum)
1
1.0
1
0
0
100.0
1131.5
425.0
1556.5
View list
3
106092092
Budge, D (Daniel)
1
1.0
1
0
0
100.0
1116.3
425.0
1541.3
View list
4
2080109012
Gebu, S (Sisipho)
1
1.0
1
0
0
100.0
1131.5
425.0
1556.5
View list
5
207090606
Gcuze, K (Khanya)
1
1.0
1
0
0
100.0
1162.1
425.0
1587.1
View list
6
108089520
Adams, K (Kyron)
1
1.0
1
0
0
100.0
1202.8
425.0
1627.8
View list
7
1060138678
Hendricks, I (Ighlaas)
1
1.0
1
0
0
100.0
1229.9
425.0
1654.9
View list
8
1720112190
Jegels, L (Llewellin)
1
1.0
1
0
0
100.0
1229.9
425.0
1654.9
View list
9
1070135110
Herrestrup, K (Karsten)
1
1.0
1
0
0
100.0
1116.3
425.0
1541.3
View list
10
2100109060
Makhasi, A (Athule)
1
1.0
1
0
0
100.0
1131.5
425.0
1556.5
View list
11
1070138092
Maumbe, T (Taponeswa)
1
1.0
1
0
0
100.0
1202.8
425.0
1627.8
View list
12
1080138095
Moodley, L (Liam)
1
1.0
1
0
0
100.0
1202.8
425.0
1627.8
View list
13
108093217
Motsa, KA (Khetsa Avumile)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
14
1060139310
Narza, K (Khelil)
1
1.0
1
0
0
100.0
1202.8
425.0
1627.8
View list
15
1070138099
Ntanda, M (Massude)
1
1.0
1
0
0
100.0
1202.8
425.0
1627.8
View list
16
107076747
Osborne, R (Ryan Eugene)
1
1.0
1
0
0
100.0
1162.1
425.0
1587.1
View list
17
1070150622
Salie, A (Aadam)
1
1.0
1
0
0
100.0
1253.9
425.0
1678.9
View list
18
1060136975
Tasriet, M (Mohammed Saalih)
1
1.0
1
0
0
100.0
1229.9
425.0
1654.9
View list
19
100086060
Adams, K (Keenan)
1
0.5
0
1
0
50.0
1162.1
0.0
1162.1
View list
20
1080110836
Henning, C (Chris)
1
0.5
0
1
0
50.0
1162.1
0.0
1162.1
View list