Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Van Der Merwe, A (Adriaan)
Dob:
2010/06/21 (U16)
Gender:
Male
Chess SA id:
1100115348
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2023/04/22 (397 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
1243.8
Curent Weighted rating
1254.4
Curent Weighted performance
998.5
Current official/published rating (highest between Raw, WR and WP)
1254.4
Current floor (min rating allowed)
832.2
Current highest rating achieved
1332.2
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)
±155.8
Current Raw change used (final)
0.0
Projected new Raw rating
1243.8
Projected new Weighed rating
1252.6
Projected new Weighted performance
998.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1252.6
Projected effective change (new Official - current Official)
-1.8
Projected new highest rating
1332.2
Projected new floor
832.2
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
1203.9
Curent Weighted rating
1214.1
Curent Weighted performance
886.0
Current official/published rating (highest between Raw, WR and WP)
1214.1
Current floor (min rating allowed)
801.8
Current highest rating achieved
1301.8
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)
±164.9
Current Raw change used (final)
0.0
Projected new Raw rating
1203.9
Projected new Weighed rating
1212.5
Projected new Weighted performance
886.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1212.5
Projected effective change (new Official - current Official)
-1.6
Projected new highest rating
1301.8
Projected new floor
801.8
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
1290.0
Curent Weighted rating
1290.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1290.0
Current floor (min rating allowed)
790.0
Current highest rating achieved
1290.0
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)
±145.9
Current Raw change used (final)
0.0
Projected new Raw rating
1290.0
Projected new Weighed rating
1290.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1290.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1290.0
Projected new floor
790.0
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)
790.0
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
790.0
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
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
1314.3
1284.9
Analysis
6
Chris Greyling Open Tournament 2023 (C)
2023/03/21
2023/03/21
Tshwane (GTP)
Standard
60
0.83
5
4
2.0
1332.2
1301.8
Analysis
5
Laerskool Constantiapark Open Chess Tournament 2023 (U14)
2023/02/18
2023/02/18
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1290.4
1242.0
Analysis
4
RMS Swiss For Rating of Players 2022 (U13)
2022/05/28
2022/05/28
Ekurhuleni (GE)
Rapid
30
0.60
7
6
6.0
1233.2
1184.8
Analysis
3
D4 Individuals 2022 (U13 Open)
2022/04/23
2022/04/23
Tshwane (GTP)
Rapid
30
0.60
7
7
3.5
1235.8
1200.0
Analysis
2
2019 RMS Laerskole (U9)
2019/06/01
2019/06/01
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1188.0
1186.0
Analysis
1
2019 Lubowski Open Tournament (E)
2019/05/11
2019/05/11
Tshwane (GTP)
Standard
90
0.94
5
5
2.5
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
37
22
3
12
23.5
63.5
114.9
1176.0
1290.9
White
17
12
0
5
12.0
70.6
175.0
1164.1
1339.1
Black
20
10
3
7
11.5
57.5
63.7
1186.2
1249.9
Standard
All
24
13
2
9
14.0
58.3
70.8
1171.8
1242.6
White
11
7
0
4
7.0
63.6
115.9
1193.5
1309.4
Black
13
6
2
5
7.0
53.8
32.7
1153.4
1186.1
Rapid
All
13
9
1
3
9.5
73.1
196.2
1183.9
1380.0
White
6
5
0
1
5.0
83.3
283.3
1110.2
1393.5
Black
7
4
1
2
4.5
64.3
121.4
1247.1
1368.5
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
2100107820
Labuschagne, M (Melindie)
2
2.0
2
0
0
100.0
1210.6
425.0
1635.6
View list
2
1100139996
De Wet, L (Lambert Hugo)
2
1.0
1
0
1
50.0
1275.0
0.0
1275.0
View list
3
1110109561
Coetzee, M (Marko)
1
1.0
1
0
0
100.0
1290.4
425.0
1715.4
View list
4
1100104912
Chathury, N (Nihal)
1
1.0
1
0
0
100.0
1314.3
425.0
1739.3
View list
5
2090101534
Cannon, NC (Natalie Christene)
1
1.0
1
0
0
100.0
1233.2
425.0
1658.2
View list
6
1100112362
Barnard, H (Hanno)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
1090119605
Janssen, A (Alec)
1
1.0
1
0
0
100.0
1233.2
425.0
1658.2
View list
8
209078411
Janse Van Rensburg, AM (Adriana)
1
1.0
1
0
0
100.0
1233.2
425.0
1658.2
View list
9
2110103926
Jacobs, AE (Alyssa)
1
1.0
1
0
0
100.0
1290.4
425.0
1715.4
View list
10
2090101537
Huebsch, J (Jessica)
1
1.0
1
0
0
100.0
1233.2
425.0
1658.2
View list
11
1090116450
El Qouar, T (Tamir)
1
1.0
1
0
0
100.0
1233.2
425.0
1658.2
View list
12
1120137394
Du Bruyn, D (Dylan)
1
1.0
1
0
0
100.0
1332.2
425.0
1757.2
View list
13
1110097361
Kotze, S (Seth)
1
1.0
1
0
0
100.0
1188.0
425.0
1613.0
View list
14
109078402
Matthee, WD (William)
1
1.0
1
0
0
100.0
1235.8
425.0
1660.8
View list
15
1100131212
Makgotlwe, P (Phenyo)
1
1.0
1
0
0
100.0
1235.8
425.0
1660.8
View list
16
1100116468
Molakeng, A (Asemahle)
1
1.0
1
0
0
100.0
1188.0
425.0
1613.0
View list
17
110087847
Ras, JN (Nicolaas)
1
1.0
1
0
0
100.0
1188.0
425.0
1613.0
View list
18
111095070
Tennant, N (Nathan)
1
1.0
1
0
0
100.0
1290.4
425.0
1715.4
View list
19
2110106009
Veldman, C (Chantane)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
20
2090109345
Viljoen, A (Amber)
1
1.0
1
0
0
100.0
1332.2
425.0
1757.2
View list