Chess South Africa
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Chess South Africa
Van Der Merwe, D (Duvan)
Dob:
2015/12/11 (U10)
Gender:
Male
Chess SA id:
1150147675
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/04/20 (65 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
1213.2
Current Weighted rating
1231.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1231.2
Current highest rating achieved
1246.1
Current floor (min rating allowed)
746.1
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)
±162.7
Current Raw change used (final)
0.0
Projected new Raw rating
1213.2
Projected new Weighed rating
1132.9
Projected new Weighted performance
1055.5
Projected new final Raw rating (if new WP > new Raw)
1213.2
Projected new highest rating
1246.1
Projected new floor
746.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1213.2
Projected effective change (new Official - current Official)
-18.0
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
1211.0
Current Weighted rating
1236.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1236.6
Current highest rating achieved
1253.1
Current floor (min rating allowed)
753.1
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)
±163.2
Current Raw change used (final)
0.0
Projected new Raw rating
1211.0
Projected new Weighed rating
1137.8
Projected new Weighted performance
1055.5
Projected new final Raw rating (if new WP > new Raw)
1211.0
Projected new highest rating
1253.1
Projected new floor
753.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1211.0
Projected effective change (new Official - current Official)
-25.6
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
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
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
2024 Silver Lakes Open Chess Tournament (E)
2024/04/20
2024/04/20
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1246.1
1253.1
Analysis
2
2024 Chris Greyling Open Chess Tournament (E)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1232.7
1238.0
Analysis
1
2024 Constantiapark Open (E)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1234.5
1241.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
4
2024 Silver Lakes Open Chess Tournament (E)
2024/04/20
2024/04/20
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1246.1
1253.1
Analysis
3
2024 Chris Greyling Open Chess Tournament (E)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1232.7
1238.0
Analysis
2
2024 Constantiapark Open (E)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1234.5
1241.6
Analysis
1
Lardies Tournament 2022 (U8)
2022/10/29
2022/10/29
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
15
7
1
7
7.5
50.0
0.0
1190.1
1190.1
White
6
3
1
2
3.5
58.3
70.8
1221.5
1292.3
Black
9
4
0
5
4.0
44.4
-47.2
1169.1
1121.9
Standard
All
15
7
1
7
7.5
50.0
0.0
1190.1
1190.1
White
6
3
1
2
3.5
58.3
70.8
1221.5
1292.3
Black
9
4
0
5
4.0
44.4
-47.2
1169.1
1121.9
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
20
9
4
7
11.0
55.0
42.5
1192.3
1234.8
White
8
3
3
2
4.5
56.3
53.1
1216.1
1269.2
Black
12
6
1
5
6.5
54.2
35.4
1176.5
1211.9
Standard
All
20
9
4
7
11.0
55.0
42.5
1192.3
1234.8
White
8
3
3
2
4.5
56.3
53.1
1216.1
1269.2
Black
12
6
1
5
6.5
54.2
35.4
1176.5
1211.9
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1150300017
Rousseau, S (Sebastien)
1
1.0
1
0
0
100.0
1232.7
425.0
1657.7
View list
2
1150159593
Motumi, T (Tsepe)
1
1.0
1
0
0
100.0
1232.7
425.0
1657.7
View list
3
1160192175
Venter, S (Stephan)
1
1.0
1
0
0
100.0
1234.5
425.0
1659.5
View list
4
1150300425
Van Der Merwe, A (Abraham)
1
1.0
1
0
0
100.0
1232.7
425.0
1657.7
View list
5
1160161722
De Lange, J (Josua)
1
1.0
1
0
0
100.0
1246.1
425.0
1671.1
View list
6
1160157412
De Klerk, A (Amelia)
1
1.0
1
0
0
100.0
1246.1
425.0
1671.1
View list
7
2150143862
Brits, A (Alina)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
2150191353
Kgwale, I (Itumeleng)
1
1.0
1
0
0
100.0
1234.5
425.0
1659.5
View list
9
2170147085
Janse Van Rensburg, A (Ava)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
10
1150147660
Fourie, E (Ernest)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
11
1150147659
Du Toit, W (Wilco)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
12
1150147662
Hancke, W (Waldo)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
13
1160157441
Swart, E (Eben)
1
0.5
0
1
0
50.0
1234.5
0.0
1234.5
View list
14
1160161737
Swanepoel, M (Marnu)
1
0.0
0
0
1
0.0
1232.7
-425.0
807.7
View list
15
2150162780
Marais, L (Leja)
1
0.0
0
0
1
0.0
1246.1
-425.0
821.1
View list
16
2170149596
Mabugu, R (Refilwe)
1
0.0
0
0
1
0.0
1246.1
-425.0
821.1
View list
17
1150190422
Li, J (Jiming)
1
0.0
0
0
1
0.0
1232.7
-425.0
807.7
View list
18
2150302697
Li, A (Amanda)
1
0.0
0
0
1
0.0
1246.1
-425.0
821.1
View list
19
1160158379
Gauche, K (Kian)
1
0.0
0
0
1
0.0
1234.5
-425.0
809.5
View list
20
1170149169
Barkhuizen, R (Reuben)
1
0.0
0
0
1
0.0
1234.5
-425.0
809.5
View list